Form 10-Q - Quarterly report [Sections 13 or 15(d)]

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 10-Q


☒	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

	For the quarterly period ended	March 31, 2024

☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number: 001-35805

Boise Cascade Company

(Exact name of registrant as specified in its charter)


Delaware			20-1496201
(State or other jurisdiction of incorporation or organization)			(I.R.S. Employer Identification No.)

1111 West Jefferson Street Suite 300

Boise, Idaho 83702-5389

(Address of principal executive offices) (Zip Code)

(208) 384-6161

(Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.01 par value per share	BCC	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes x No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer x Accelerated filer o Non-accelerated filer o Smaller reporting company ☐

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange

Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ☐ No x

There were 39,479,295 shares of the registrant's common stock, $0.01 par value per share, outstanding on April 26, 2024.

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PART I—FINANCIAL INFORMATION

Item 1.	Financial Statements	1
	Condensed Notes to Unaudited Quarterly Consolidated Financial Statements	8
	1. Nature of Operations and Consolidation	8
	2. Summary of Significant Accounting Policies	8
	3. Income Taxes	12
	4. Net Income Per Common Share	12
	5. Acquisition	13
	6. Goodwill and Intangible Assets	14
	7. Debt	15
	8. Leases	17
	9. Stock-Based Compensation	19
	10. Stockholders' Equity	20
	11. Transactions With Related Party	21
	12. Segment Information	22
	13. Commitments, Legal Proceedings and Contingencies, and Guarantees	23
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	24
	Understanding Our Financial Information	24
	Executive Overview	25
	Factors That Affect Our Operating Results and Trends	25
	Our Operating Results	27

	Liquidity and Capital Resources	30
	Guarantees	32
	Seasonal Influences	32
	Employees	33
	Disclosures of Financial Market Risks	33
	Environmental	33
	Critical Accounting Estimates	33
	New and Recently Adopted Accounting Standards	33
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	33
Item 4.	Controls and Procedures	34

PART II—OTHER INFORMATION

Item 1.	Legal Proceedings	35
Item 1A.	Risk Factors	35
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	35
Item 3.	Defaults Upon Senior Securities	35
Item 4.	Mine Safety Disclosures	35
Item 5.	Other Information	36
Item 6.	Exhibits	36
	Signatures	37

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PART I—FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

Boise Cascade Company

Consolidated Statements of Operations

(unaudited)


	Three Months Ended March 31
	2024		2023
	(thousands, except per-share data)
Sales	$	1,645,420	$	1,544,329

Costs and expenses
Materials, labor, and other operating expenses (excluding depreciation)	1,307,439		1,230,635
Depreciation and amortization	35,850		31,186
Selling and distribution expenses	144,110		128,788
General and administrative expenses	25,117		26,463

Other (income) expense, net	(78)		(345)
	1,512,438		1,416,727

Income from operations	132,982		127,602

Foreign currency exchange loss	(299)		(73)
Pension expense (excluding service costs)	(37)		(41)
Interest expense	(6,070)		(6,361)
Interest income	10,597		9,685
Change in fair value of interest rate swaps	(220)		(804)

	3,971		2,406

Income before income taxes	136,953		130,008
Income tax provision	(32,829)		(33,275)
Net income	$	104,124	$	96,733

Weighted average common shares outstanding:
Basic	39,608		39,593
Diluted	39,956		39,838

Net income per common share:
Basic	$	2.63	$	2.44
Diluted	$	2.61	$	2.43

Dividends declared per common share	$	0.20	$	0.15

See accompanying condensed notes to unaudited quarterly consolidated financial statements.

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Boise Cascade Company

Consolidated Statements of Comprehensive Income

(unaudited)


	Three Months Ended March 31
	2024		2023
	(thousands)
Net income	$	104,124	$	96,733
Other comprehensive income, net of tax
Defined benefit pension plans

Amortization of actuarial loss, net of tax of $2 and $2, respectively	8		6

Other comprehensive income, net of tax	8		6
Comprehensive income	$	104,132	$	96,739

See accompanying condensed notes to unaudited quarterly consolidated financial statements.

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Boise Cascade Company

Consolidated Balance Sheets

(unaudited)


	March 31, 2024		December 31, 2023
	(thousands)
ASSETS
Current
Cash and cash equivalents	$	890,247	$	949,574

Receivables
Trade, less allowances of $4,020 and $3,278	480,579		352,780
Related parties	225		181
Other	13,476		20,740
Inventories	814,596		712,369

Prepaid expenses and other	17,549		21,170
Total current assets	2,216,672		2,056,814

Property and equipment, net	934,286		932,633
Operating lease right-of-use assets	61,378		62,868
Finance lease right-of-use assets	24,172		24,003
Timber deposits	6,898		7,208

Goodwill	170,254		170,254
Intangible assets, net	185,836		190,743
Deferred income taxes	4,748		4,854
Other assets	10,184		9,269
Total assets	$	3,614,428	$	3,458,646

See accompanying condensed notes to unaudited quarterly consolidated financial statements.

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Boise Cascade Company

Consolidated Balance Sheets (continued)

(unaudited)


	March 31, 2024		December 31, 2023
	(thousands, except per-share data)
LIABILITIES AND STOCKHOLDERS' EQUITY
Current

Accounts payable
Trade	$	460,244	$	310,175
Related parties	1,281		1,501
Accrued liabilities
Compensation and benefits	69,308		149,561
Income taxes payable	21,774		—
Interest payable	5,083		9,958

Other	127,036		122,921
Total current liabilities	684,726		594,116

Debt
Long-term debt	445,502		445,280

Other
Compensation and benefits	39,223		40,189
Operating lease liabilities, net of current portion	54,850		56,425
Finance lease liabilities, net of current portion	28,347		28,084
Deferred income taxes	87,078		82,014
Other long-term liabilities	17,500		16,874
	226,998		223,586

Commitments and contingent liabilities

Stockholders' equity
Preferred stock, $0.01 par value per share; 50,000 shares authorized, no shares issued and outstanding	—		—
Common stock, $0.01 par value per share; 300,000 shares authorized, 45,127 and 44,983 shares issued, respectively	451		450
Treasury stock, 5,649 and 5,443 shares at cost, respectively	(172,377)		(145,335)
Additional paid-in capital	553,821		560,697
Accumulated other comprehensive loss	(509)		(517)
Retained earnings	1,875,816		1,780,369
Total stockholders' equity	2,257,202		2,195,664
Total liabilities and stockholders' equity	$	3,614,428	$	3,458,646

See accompanying condensed notes to unaudited quarterly consolidated financial statements.

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Boise Cascade Company

Consolidated Statements of Cash Flows

(unaudited)


	Three Months Ended March 31
	2024		2023
	(thousands)
Cash provided by (used for) operations
Net income	$	104,124	$	96,733
Items in net income not using (providing) cash
Depreciation and amortization, including deferred financing costs and other	36,621		31,853
Stock-based compensation	4,105		3,324
Pension expense	37		41
Deferred income taxes	5,062		3,393
Change in fair value of interest rate swaps	220		804

Other	55		(518)

Decrease (increase) in working capital, net of acquisitions
Receivables	(119,235)		(111,253)
Inventories	(103,331)		(41,247)
Prepaid expenses and other	(1,689)		(1,428)
Accounts payable and accrued liabilities	75,041		36,181

Income taxes payable	25,834		28,631

Other	618		1,478
Net cash provided by operations	27,462		47,992

Cash provided by (used for) investment
Expenditures for property and equipment	(34,330)		(30,063)
Acquisitions of businesses and facilities	(3,387)		—

Proceeds from sales of assets and other	559		565
Net cash used for investment	(37,158)		(29,498)

Cash provided by (used for) financing



Treasury stock purchased	(26,971)		(1,482)
Dividends paid on common stock	(11,205)		(8,258)
Tax withholding payments on stock-based awards	(10,980)		(5,926)



Other	(475)		(451)
Net cash used for financing	(49,631)		(16,117)

Net increase (decrease) in cash and cash equivalents	(59,327)		2,377

Balance at beginning of the period	949,574		998,344

Balance at end of the period	$	890,247	$	1,000,721

See accompanying condensed notes to unaudited quarterly consolidated financial statements.

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Boise Cascade Company

Consolidated Statements of Stockholders' Equity

(unaudited)


	Common Stock			Treasury Stock			Additional Paid-In Capital		Accumulated Other Comprehensive Loss		Retained Earnings		Total
	Shares	Amount		Shares	Amount
	(thousands)
Balance at December 31, 2023	44,983	$	450	5,443	$	(145,335)	$	560,697	$	(517)	$	1,780,369	$	2,195,664
Net income											104,124		104,124
Other comprehensive income									8				8
Common stock issued	144	1											1
Treasury stock purchased				206	(26,971)								(26,971)
Stock-based compensation							4,105						4,105
Common stock dividends ($0.20 per share)											(8,677)		(8,677)
Tax withholding payments on stock-based awards							(10,980)						(10,980)

Other					(71)		(1)						(72)
Balance at March 31, 2024	45,127	$	451	5,649	$	(172,377)	$	553,821	$	(509)	$	1,875,816	$	2,257,202

See accompanying condensed notes to unaudited quarterly consolidated financial statements.

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Boise Cascade Company

Consolidated Statements of Stockholders' Equity (continued)

(unaudited)


	Common Stock			Treasury Stock			Additional Paid-In Capital		Accumulated Other Comprehensive Loss		Retained Earnings		Total
	Shares	Amount		Shares	Amount
	(thousands)
Balance at December 31, 2022	44,827	$	448	5,367	$	(138,909)	$	551,215	$	(520)	$	1,645,741	$	2,057,975
Net income											96,733		96,733
Other comprehensive income									6				6
Common stock issued	156	2											2
Treasury stock purchased				25	(1,482)								(1,482)
Stock-based compensation							3,324						3,324
Common stock dividends ($0.15 per share)											(6,110)		(6,110)
Tax withholding payments on stock-based awards							(5,926)						(5,926)

Other							(2)						(2)
Balance at March 31, 2023	44,983	$	450	5,392	$	(140,391)	$	548,611	$	(514)	$	1,736,364	$	2,144,520

See accompanying condensed notes to unaudited quarterly consolidated financial statements.

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Condensed Notes to Unaudited Quarterly Consolidated Financial Statements

1. Nature of Operations and Consolidation

Nature of Operations

Boise Cascade Company is a building products company headquartered in Boise, Idaho. As used in this Form 10-Q, the terms "Boise Cascade," "we," and "our" refer to Boise Cascade Company and its consolidated subsidiaries. We are one of the largest producers of engineered wood products (EWP) and plywood in North America and a leading United States wholesale distributor of building products.

We operate our business using two reportable segments: (1) Wood Products, which primarily manufactures EWP and plywood, and (2) Building Materials Distribution (BMD), which is a wholesale distributor of building materials. For more information, see Note 12, Segment Information.

Consolidation

The accompanying quarterly consolidated financial statements have not been audited by an independent registered public accounting firm but, in the opinion of management, include all adjustments necessary to present fairly the financial position, results of operations, cash flows, and stockholders' equity for the interim periods presented. Except as disclosed within these condensed notes to unaudited quarterly consolidated financial statements, the adjustments made were of a normal, recurring nature. Certain information and footnote disclosures normally included in our annual consolidated financial statements have been condensed or omitted. The quarterly consolidated financial statements include the accounts of Boise Cascade and its subsidiaries after elimination of intercompany balances and transactions. Quarterly results are not necessarily indicative of results that may be expected for the full year. These condensed notes to unaudited quarterly consolidated financial statements should be read in conjunction with our 2023 Form 10-K and the other reports we file with the Securities and Exchange Commission.

2. Summary of Significant Accounting Policies

Accounting Policies

The complete summary of significant accounting policies is included in Note 2, Summary of Significant Accounting Policies, of the Notes to Consolidated Financial Statements in "Item 8. Financial Statements and Supplementary Data" in our 2023 Form 10-K.

Use of Estimates

The preparation of financial statements in conformity with generally accepted accounting principles (GAAP) requires management to make estimates and assumptions about future events. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities, and reported amounts of revenues and expenses. Such estimates include the valuation of accounts receivable, inventories, goodwill, intangible assets, and other long-lived assets; legal contingencies; guarantee obligations; indemnifications; assumptions used in retirement, medical, and workers' compensation benefits; assumptions used in the determination of right-of-use (ROU) assets and related lease liabilities; stock-based compensation; fair value measurements; income taxes; and vendor and customer rebates, among others. These estimates and assumptions are based on management's best estimates and judgment. Management evaluates its estimates and assumptions on an ongoing basis using historical experience and other factors, including the current economic environment, which management believes to be reasonable under the circumstances. We adjust such estimates and assumptions when facts and circumstances dictate. As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates. Changes in these estimates resulting from continuing changes in the economic environment will be reflected in the consolidated financial statements in future periods.

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Revenue Recognition

Revenues are recognized when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. For revenue disaggregated by major product line for each reportable segment, see Note 12, Segment Information.

Fees for shipping and handling charged to customers for sales transactions are included in "Sales" in our Consolidated Statements of Operations. When control over products has transferred to the customer, we have elected to recognize costs related to shipping and handling as fulfillment costs. For our Wood Products segment, costs related to shipping and handling are included in "Materials, labor, and other operating expenses (excluding depreciation)" in our Consolidated Statements of Operations. In our Wood Products segment, we view our shipping and handling costs as a cost of the manufacturing process and the movement of product to our end customers. For our BMD segment, costs related to shipping and handling of $59.0 million and $53.5 million for the three months ended March 31, 2024 and 2023, respectively, are included in "Selling and distribution expenses" in our Consolidated Statements of Operations. In our BMD segment, our activities relate to the purchase and resale of finished products, and excluding shipping and handling costs from "Materials, labor, and other operating expenses (excluding depreciation)" provides us a clearer view of our operating performance and the effectiveness of our sales and purchasing functions.

Customer Rebates and Allowances and Cash Discounts

Rebates are provided to our customers and our customers' customers based on the volume of their purchases, among other factors such as customer loyalty, conversion, and commitment, as well as temporary protection from price increases. We provide the rebates to increase the sell-through of our products. Rebates are generally estimated based on the expected amount to be paid and recorded as a decrease in "Sales." At March 31, 2024 and December 31, 2023, we had $90.1 million and $87.9 million, respectively, of rebates payable to our customers recorded in "Accrued liabilities, Other" on our Consolidated Balance Sheets. We also estimate expected cash discounts on trade accounts receivable based on an analysis of historical experience and record cash discounts as a decrease in "Sales." We adjust our estimate of revenue at the earlier of when the probability of rebates paid and cash discounts provided changes or when the amounts become fixed. There have not been significant changes to our estimates of rebates, although it is reasonably possible that a change in the estimate may occur.

Vendor Rebates and Allowances

We receive rebates and allowances from our vendors under a number of different programs, including vendor marketing programs. At March 31, 2024 and December 31, 2023, we had $10.3 million and $17.4 million, respectively, of vendor rebates and allowances recorded in "Receivables, Other" on our Consolidated Balance Sheets. Rebates and allowances received from our vendors are recognized as a reduction of "Materials, labor, and other operating expenses (excluding depreciation)" when the product is sold, unless the rebates and allowances are linked to a specific incremental cost to sell a vendor's product. Amounts received from vendors that are linked to specific selling and distribution expenses are recognized as a reduction of "Selling and distribution expenses" in the period the expense is incurred.

Leases

We primarily lease land, building, and equipment under operating and finance leases. We determine if an arrangement is a lease at inception and assess lease classification as either operating or finance at lease inception or upon modification. Substantially all of our leases with initial terms greater than one year are for real estate, including distribution centers, corporate headquarters, land, and other office space. Substantially all of these lease agreements have fixed payment terms based on the passage of time and are recorded in our BMD segment. Many of our leases include fixed escalation clauses, renewal options and/or termination options that are factored into our determination of lease term and lease payments when appropriate. Renewal options generally range from one to ten years with fixed payment terms similar to those in the original lease agreements. Some lease agreements provide us with the option to purchase the leased property at market value. Our lease agreements do not contain any residual value guarantees.

ROU assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. ROU assets and lease liabilities are recognized at the lease commencement date based on the estimated present value of fixed lease payments over the lease term. The current portion of our operating and finance lease liabilities are recorded in "Accrued liabilities, Other" on our Consolidated Balance Sheets.

We use our estimated incremental borrowing rate, which is derived from information available at the lease commencement date, in determining the present value of lease payments. In determining our incremental borrowing rates, we

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give consideration to publicly available interest rates for instruments with similar characteristics, including credit rating, term, and collateralization.

For purposes of determining straight-line rent expense, the lease term is calculated from the date we first take possession of the facility, including any periods of free rent and any renewal option periods we are reasonably certain of exercising. Variable lease expense generally includes reimbursement of actual costs for common area maintenance, property taxes, and insurance on leased real estate and are recorded as incurred. Most of our operating lease expense was recorded in "Selling and distribution expenses" in our Consolidated Statements of Operations. In addition, we do not separate lease and non-lease components for all of our leases.

Our short-term leases primarily include equipment rentals with lease terms on a month-to-month basis, which provide for our seasonal needs and flexibility in the use of equipment. Our short-term leases also include certain real estate for which either party has the right to cancel upon providing notice of 30 to 90 days. We do not recognize ROU assets or lease liabilities for short-term leases.

Inventories

Inventories included the following (work in process is not material):


	March 31, 2024		December 31, 2023
	(thousands)
Finished goods and work in process	$	720,181	$	604,624
Logs	41,321		56,270
Other raw materials and supplies	53,094		51,475
	$	814,596	$	712,369

Property and Equipment

Property and equipment consisted of the following asset classes:


	March 31, 2024		December 31, 2023
	(thousands)
Land	$	85,504	$	85,572
Buildings	338,741		338,230
Improvements	81,212		79,308
Mobile equipment, information technology, and office furniture	264,560		254,783
Machinery and equipment	1,046,019		1,037,135
Construction in progress	72,948		64,619
	1,888,984		1,859,647
Less: accumulated depreciation	(954,698)		(927,014)
	$	934,286	$	932,633

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Fair Value

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The fair value hierarchy under GAAP gives the highest priority to quoted market prices (Level 1) and the lowest priority to unobservable inputs (Level 3). In general, and where applicable, we use quoted prices in active markets for identical assets or liabilities to determine fair value (Level 1). If quoted prices in active markets for identical assets or liabilities are not available to determine fair value, we use quoted prices for similar assets and liabilities or inputs that are observable either directly or indirectly (Level 2). If quoted prices for identical or similar assets are not available or are unobservable, we may use internally developed valuation models, whose inputs include bid prices, and third-party valuations utilizing underlying asset assumptions (Level 3).

Financial Instruments

Our financial instruments are cash and cash equivalents, accounts receivable, accounts payable, long-term debt, and an interest rate swap. Our cash is recorded at cost, which approximates fair value, and our cash equivalents are money market funds. As of March 31, 2024 and December 31, 2023, we held $829.8 million and $899.4 million, respectively, in money market funds that are measured at fair value on a recurring basis using Level 1 inputs. The recorded values of accounts receivable and accounts payable approximate fair values based on their short-term nature. At March 31, 2024 and December 31, 2023, the book value of our fixed-rate debt for each period was $400.0 million, and the fair value was estimated to be $370.0 million and $374.5 million, respectively. The difference between the book value and the fair value is derived from the difference between the period-end market interest rate and the stated rate of our fixed-rate, long-term debt. We estimated the fair value of our fixed-rate debt using quoted market prices of our debt in inactive markets (Level 2 inputs). The interest rate on our variable-rate debt is based on market conditions such as the Secured Overnight Financing Rate (SOFR) or a base rate. Because the interest rate on the variable-rate debt is based on current market conditions, we believe that the estimated fair value of the outstanding balance on our variable-rate debt approximates book value. As discussed below, we also have an interest rate swap to mitigate our variable interest rate exposure, the fair value of which is measured based on Level 2 inputs.

Interest Rate Risk and Interest Rate Swap

We are exposed to interest rate risk arising from fluctuations in variable-rate SOFR on our term loan and when we have loan amounts outstanding on our Revolving Credit Facility. At March 31, 2024, we had $50.0 million of variable-rate debt outstanding based on one-month term SOFR. Our objective is to limit the variability of interest payments on our debt. To meet this objective, we enter into receive-variable, pay-fixed interest rate swaps to mitigate the variable-rate cash flow exposure with fixed-rate cash flows. In accordance with our risk management strategy, we actively monitor our interest rate exposure and use derivative instruments from time to time to manage the related risk. We do not speculate using derivative instruments.

At March 31, 2024, we had one interest rate swap agreement. Under the interest rate swap, we receive one-month SOFR plus a spread adjustment of 0.10% variable interest rate payments and make fixed interest rate payments, thereby fixing the interest rate on $50.0 million of variable rate debt exposure. Payments on this interest rate swap, with a notional principal amount of $50.0 million, are due on a monthly basis at an annual fixed rate of 0.41%, and this swap expires in June 2025. The interest rate swap agreement was not designated as a cash flow hedge, and as a result, all changes in the fair value are recognized in "Change in fair value of interest rate swaps" in our Consolidated Statements of Operations rather than through other comprehensive income. At March 31, 2024 and December 31, 2023, we recorded a long-term asset of $2.7 million and $3.0 million, respectively, in "Other assets" on our Consolidated Balance Sheets, representing the fair value of the interest rate swap agreement. The swap was valued based on observable inputs for similar assets and liabilities and other observable inputs for interest rates and yield curves (Level 2 inputs).

Concentration of Credit Risk

We are exposed to credit risk related to customer accounts receivable. In order to manage credit risk, we consider customer concentrations and current economic trends and monitor the creditworthiness of significant customers based on ongoing credit evaluations. At March 31, 2024, receivables from two customers accounted for approximately 19% and 11% of total receivables. At December 31, 2023, receivables from these two customers accounted for approximately 19% and 13% of total receivables. No other customer accounted for 10% or more of total receivables.

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New and Recently Adopted Accounting Standards

In November 2023, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which enhances disclosures about significant segment expenses. The amendments in this ASU are effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024 on a retrospective basis. Early adoption is permitted. We are currently evaluating the impact of this ASU on our consolidated financial statements and associated disclosures.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which enhances the transparency and decision usefulness of income tax disclosures, primarily related to the rate reconciliation and income taxes paid. The amendments in this ASU are effective for annual periods beginning after December 15, 2024 on a prospective basis. Early adoption is permitted. We are currently evaluating the impact of this ASU on our consolidated financial statements and associated disclosures.

There were no other accounting standards recently issued that had or are expected to have a material impact on our consolidated financial statements and associated disclosures.

Reclassifications

Certain amounts in prior year's consolidated financial statements have been reclassified to conform with current year's presentation, none of which were considered material.

3. Income Taxes

For the three months ended March 31, 2024 and 2023, we recorded $32.8 million and $33.3 million, respectively, of income tax expense and had an effective rate of 24.0% and 25.6%, respectively. For both periods, the primary reason for the difference between the federal statutory income tax rate of 21% and the effective tax rate was the effect of state taxes.

During the three months ended March 31, 2024 and 2023, cash paid for taxes, net of refunds received, were $1.9 million and $1.2 million, respectively.

4. Net Income Per Common Share

Basic net income per common share is computed by dividing net income by the weighted average number of common shares outstanding during the period. Weighted average common shares outstanding for the basic net income per common share calculation includes certain vested restricted stock units (RSUs) and performance stock units (PSUs) as there are no conditions under which those shares will not be issued. Diluted net income per common share is computed by dividing net income by the combination of the weighted average number of common shares outstanding during the period and other potentially dilutive weighted average common shares. Other potentially dilutive weighted average common shares include the dilutive effect of RSUs and PSUs for each period using the treasury stock method. Under the treasury stock method, the exercise price of a share and the amount of compensation expense, if any, for future service that has not yet been recognized are assumed to be used to repurchase shares in the current period.

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The following table sets forth the computation of basic and diluted net income per common share:


	Three Months Ended March 31
	2024		2023
	(thousands, except per-share data)
Net income	$	104,124	$	96,733
Weighted average common shares outstanding during the period (for basic calculation)	39,608		39,593
Dilutive effect of other potential common shares	348		245
Weighted average common shares and potential common shares (for diluted calculation)	39,956		39,838

Net income per common share - Basic	$	2.63	$	2.44
Net income per common share - Diluted	$	2.61	$	2.43

The computation of the dilutive effect of other potential common shares excludes stock awards representing an insignificant number of shares of common stock in both the three months ended March 31, 2024 and 2023. Under the treasury stock method, the inclusion of these stock awards would have been antidilutive.

5. Acquisition

We account for acquisition transactions in accordance with ASC 805, Business Combinations. Accordingly, the results of operations of the acquiree are included in our consolidated financial statements from the acquisition date. The consideration transferred is allocated to the identifiable assets acquired and liabilities assumed based on estimated fair values at the acquisition date, with any excess recorded as goodwill. Transaction-related costs are expensed in the period the costs are incurred. During the measurement period, which may be up to one year from the acquisition date, we may record adjustments to the assets acquired and liabilities assumed with the corresponding adjustment to goodwill.

On October 2, 2023, our wholly-owned subsidiary, Boise Cascade Building Materials Distribution, L.L.C. (BMD) completed the acquisition of Brockway-Smith Company (BROSCO), a wholesale distributor specializing in doors and millwork, pursuant to the Agreement and Plan of Merger, dated August 22, 2023 (Merger Agreement), by and among BMD, Firepit Merger Sub, Inc., a wholly-owned subsidiary of BMD (the Merger Sub), BROSCO and the representative of the BROSCO stockholders. On the terms and subject to the conditions set forth in the Merger Agreement, on October 2, 2023, Merger Sub merged with and into BROSCO, with BROSCO surviving the merger as a wholly-owned subsidiary of BMD (the Acquisition). The purchase price of the Acquisition was $166.2 million, net of cash acquired, and inclusive of a post-transaction closing adjustment of $3.4 million based upon working capital and indebtedness as defined in the Merger Agreement. We funded the Acquisition and related costs with cash on hand.

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We have substantially completed our estimates of fair value of assets acquired and liabilities assumed. Our estimates are subject to revisions, which may result in adjustments to the preliminary values discussed below. The purchase price consideration was allocated to the net assets acquired based upon their respective estimated fair values as follows:


	Acquisition Date Fair Value
	(thousands)
Cash and cash equivalents	$	4,009
Accounts receivable	19,688
Inventories	36,000
Other current assets	159
Property and equipment	57,331
Other assets	508
Intangible assets:
Trade name	18,000
Customer relationships	29,000
Goodwill	32,296
Assets acquired	196,991

Accounts payable	2,144
Accrued liabilities	4,078
Deferred tax liabilities	20,121
Other long-term liabilities	478
Liabilities assumed	26,821

Net assets acquired	$	170,170

Consideration paid, net of cash acquired	$	166,161

Pro Forma Financial Information

The following pro forma financial information presents the combined results of operations as if the BROSCO facilities had been combined with us on January 1, 2022. The pro forma results are intended for information purposes only and do not purport to represent what the combined companies' results of operations would actually have been had the related transaction in fact occurred on January 1, 2022. They also do not reflect any cost savings, operating synergies, or revenue enhancements that we may achieve or the costs necessary to achieve these cost savings, operating synergies, revenue enhancements, or integration efforts.


	Pro Forma
		Three Months Ended March 31
		2023
	(unaudited, thousands)
Sales		$	1,594,458
Net income		$	101,051

6. Goodwill and Intangible Assets

Goodwill represents the excess of the purchase price and related costs over the fair value of the net tangible and intangible assets of businesses acquired.

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The carrying amount of our goodwill by segment is as follows:


	Building Materials Distribution		Wood Products		Total
	(thousands)



Balance at December 31, 2023 and March 31, 2024	$	44,088	$	126,166	$	170,254

At March 31, 2024 and December 31, 2023, intangible assets represented the values assigned to trade names and trademarks and customer relationships. We maintain trademarks for our manufactured wood products, particularly EWP. Our key registered trademarks are perpetual in duration as long as we continue to timely file all post registration maintenance documents related thereto. These trade names and trademarks have indefinite lives, are not amortized, and have a carrying amount of $8.9 million. For the three months ended March 31, 2024 and 2023 we recognized $4.9 million and $4.3 million, respectively, of amortization expense for intangible assets.

Intangible assets consisted of the following:


	March 31, 2024
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(thousands)
Trade names and trademarks	$	27,600	$	(1,299)	$	26,301
Customer relationships	195,050		(35,515)		159,535
	$	222,650	$	(36,814)	$	185,836


	December 31, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(thousands)
Trade names and trademarks	$	27,600	$	(1,000)	$	26,600
Customer relationships	195,050		(30,907)		164,143
	$	222,650	$	(31,907)	$	190,743

7. Debt

Long-term debt consisted of the following:


	March 31, 2024		December 31, 2023
	(thousands)
Asset-based revolving credit facility due 2027	$	—	$	—
Asset-based credit facility term loan due 2027	50,000		50,000

4.875% senior notes due 2030	400,000		400,000

Deferred financing costs	(4,498)		(4,720)
Long-term debt	$	445,502	$	445,280

Asset-Based Credit Facility

On May 15, 2015, Boise Cascade and its principal operating subsidiaries, Boise Cascade Wood Products, L.L.C., and Boise Cascade Building Materials Distribution, L.L.C., as borrowers, and Boise Cascade Wood Products Holdings Corp., as guarantor, entered into an Amended and Restated Credit Agreement, as amended, (the Amended Agreement) with Wells Fargo Capital Finance, LLC, as administrative agent, and the banks named therein as lenders. The Amended Agreement includes a $400 million senior secured asset-based revolving credit facility (Revolving Credit Facility) and a $50.0 million term loan (ABL Term Loan) maturing on the earlier of (a) September 9, 2027 and (b) 90 days prior to the maturity of our $400 million of

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4.875% senior notes due July 1, 2030 (or the maturity date of any permitted refinancing indebtedness or permitted upsized refinancing indebtedness in respect thereof). Interest on borrowings under our Revolving Credit Facility and ABL Term Loan are payable monthly. Borrowings under the Amended Agreement are constrained by a borrowing base formula dependent upon levels of eligible receivables and inventory reduced by outstanding borrowings and letters of credit (Availability).

The Amended Agreement is secured by a first-priority security interest in substantially all of our assets, except for property and equipment. The proceeds of borrowings under the agreement are available for working capital and other general corporate purposes.

The Amended Agreement contains customary nonfinancial covenants, including a negative pledge covenant and restrictions on new indebtedness, investments, distributions to equity holders, asset sales, and affiliate transactions, the scope of which are dependent on the Availability existing from time to time. The Amended Agreement also contains a requirement that we meet a 1:1 fixed-charge coverage ratio (FCCR), applicable only if Availability falls below the greater of (a) 10% of the Line Cap (as defined in the Amended Agreement) and (b) $35 million. Availability exceeded the minimum threshold amounts required for testing of the FCCR at all times since entering into the Amended Agreement, and Availability at March 31, 2024 was $395.7 million.

The Amended Agreement permits us to pay dividends only if at the time of payment (a) no default has occurred or is continuing (or would result from such payment) under the Amended Agreement, and (b) either (i) pro forma Excess Availability (as defined in the Amended Agreement) is equal to or exceeds the greater of (x) 20% of the Line Cap and (y) $75 million or (ii) (x) pro forma Excess Availability is equal to or exceeds the greater of (1) 15% of Line Cap and (2) $55 million and (y) our fixed-charge coverage ratio is greater than or equal to 1:1 on a pro forma basis.

Revolving Credit Facility

Interest rates under the Revolving Credit Facility are based, at our election, on either Daily Simple SOFR, Term SOFR, or a base rate, as defined in the Amended Agreement, plus a spread over the index elected that ranges from 1.25% to 1.50% for loans based on SOFR and from 0.25% to 0.50% for loans based on the base rate. The spread is determined on the basis of a pricing grid that results in a higher spread as average quarterly Availability declines. Both SOFR options include an additional credit spread adjustment of 0.10%. Letters of credit are subject to a fronting fee payable to the issuing bank and a fee payable to the lenders equal to the Term SOFR margin rate. In addition, we are required to pay an unused commitment fee at a rate of 0.20% per annum of the average unused portion of the lending commitments.

At both March 31, 2024 and December 31, 2023, we had no borrowings outstanding under the Revolving Credit Facility and $4.3 million and $4.1 million, respectively, of letters of credit outstanding. These letters of credit and borrowings, if any, reduce availability under the Revolving Credit Facility by an equivalent amount.

ABL Term Loan

The ABL Term Loan was provided by institutions within the Farm Credit system. Borrowings under the ABL Term Loan may be repaid from time to time at the discretion of the borrowers without premium or penalty. However, any principal amount of ABL Term Loan repaid may not be subsequently re-borrowed.

Interest rates under the ABL Term Loan are based, at our election, on either Daily Simple SOFR, Term SOFR, or a base rate, as defined in the Amended Agreement, plus a spread over the index elected that ranges from 1.75% to 2.00% for SOFR rate loans and from 0.75% to 1.00% for base rate loans, both dependent on the amount of Average Excess Availability (as defined in the Amended Agreement). Both SOFR options include an additional credit spread adjustment of 0.10%. During the three months ended March 31, 2024, the average interest rate on the ABL Term Loan was approximately 7.18%.

We have received and expect to continue receiving patronage credits under the ABL Term Loan. Patronage credits are distributions of profits from banks in the Farm Credit system, which are cooperatives that are required to distribute profits to their members. Patronage distributions, which are generally made in cash, are received in the year after they are earned. Patronage credits are recorded as a reduction to interest expense in the year earned. After giving effect to expected patronage distributions, the effective average net interest rate on the ABL Term Loan was approximately 6.2% during the three months ended March 31, 2024.

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2030 Notes

On July 27, 2020, we issued $400 million of 4.875% senior notes due July 1, 2030 (2030 Notes) through a private placement that was exempt from the registration requirements of the Securities Act. Interest on our 2030 Notes is payable semiannually in arrears on January 1 and July 1. The 2030 Notes are guaranteed by each of our existing and future direct or indirect domestic subsidiaries that is a guarantor under our Amended Agreement.

The 2030 Notes are senior unsecured obligations and rank equally with all of the existing and future senior indebtedness of Boise Cascade Company and of the guarantors, senior to all of their existing and future subordinated indebtedness, effectively subordinated to all of their present and future senior secured indebtedness (including all borrowings with respect to our Amended Agreement to the extent of the value of the assets securing such indebtedness), and structurally subordinated to the indebtedness of any subsidiaries that do not guarantee the 2030 Notes.

The terms of the indenture governing the 2030 Notes, among other things, limit the ability of Boise Cascade and our restricted subsidiaries to: incur additional debt; declare or pay dividends; redeem stock or make other distributions to stockholders; make investments; create liens on assets; consolidate, merge or transfer substantially all of their assets; enter into transactions with affiliates; and sell or transfer certain assets. The indenture governing the 2030 Notes permits us to pay dividends only if at the time of payment (i) no default has occurred or is continuing (or would result from such payment) under the indenture, and (ii) our consolidated leverage ratio is no greater than 3.5:1, or (iii) the dividend, together with other dividends since the issue date, would not exceed our "builder" basket under the indenture. In addition, the indenture includes certain specific baskets for the payment of dividends.

The indenture governing the 2030 Notes provides for customary events of default and remedies.

Interest Rate Swap

For information on our interest rate swap, see Interest Rate Risk and Interest Rate Swap of Note 2, Summary of Significant Accounting Policies.

Cash Paid for Interest

For the three months ended March 31, 2024 and 2023, cash payments for interest were $10.0 million and $10.4 million, respectively.

8. Leases

Lease Costs

The components of lease expense were as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Operating lease cost	$	3,475	$	3,317
Finance lease cost
Amortization of right-of-use assets	617		618
Interest on lease liabilities	541		560
Variable lease cost	1,577		1,385
Short-term lease cost	1,464		1,551
Sublease income	(47)		(53)
Total lease cost	$	7,627	$	7,378

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Other Information

Supplemental cash flow information related to leases was as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	3,237	$	3,366
Operating cash flows from finance leases	536		560
Financing cash flows from finance leases	475		451
Right-of-use assets obtained in exchange for lease obligations
Operating leases	983		92
Finance leases	803		—

Other information related to leases was as follows:



	March 31, 2024		December 31, 2023

Weighted-average remaining lease term (years)
Operating leases	8		8
Finance leases	13		13
Weighted-average discount rate
Operating leases	6.2	%	6.2	%
Finance leases	7.5	%	7.6	%

As of March 31, 2024, our minimum lease payment requirements for noncancelable operating and finance leases are as follows:


	Operating Leases		Finance Leases
	(thousands)
Remainder of 2024	$	9,988	$	3,091
2025	13,360		3,834
2026	10,258		3,680
2027	9,491		3,748
2028	7,426		3,496
Thereafter	33,833		30,359
Total future minimum lease payments	84,356		48,208
Less: interest	(19,450)		(17,848)
Total lease obligations	64,906		30,360
Less: current obligations	(10,056)		(2,013)
Long-term lease obligations	$	54,850	$	28,347

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9. Stock-Based Compensation

In first quarter 2024 and 2023, we granted two types of stock-based awards under our incentive plan: performance stock units (PSUs) and restricted stock units (RSUs).

PSU and RSU Awards

During the three months ended March 31, 2024, we granted 60,207 PSUs to our officers and other employees, subject to performance and service conditions. For the officers, the PSUs granted are subject to a three-year performance period. The number of shares actually awarded will range from 0% to 200% of the target amount. Achievement is measured in annual sub-periods, based on Boise Cascade's return on invested capital (ROIC) for 2024, 2025, and 2026. The average achievement for the three years included in the performance period will determine the number of earned PSUs, as approved by our compensation committee in accordance with the related grant agreement. We define ROIC as net operating profit after taxes (NOPAT) divided by average invested capital (based on a rolling thirteen-month average). We define NOPAT as net income plus after-tax financing expense. Invested capital is defined as total assets plus capitalized lease expense, less cash, cash equivalents, and current liabilities, excluding short-term debt. For the other employees, the PSUs granted are subject to a one-year performance period. The number of shares actually awarded will range from 0% to 200% of the target amount, depending upon Boise Cascade’s 2024 EBITDA, defined as income before interest (interest expense and interest income), income taxes, and depreciation and amortization, as approved by executive management, determined in accordance with the related grant agreement. Because the PSUs contain a performance condition, we record compensation expense over the requisite service period based on the most probable number of shares expected to vest.

During the three months ended March 31, 2023, we granted 93,282 PSUs to our officers and other employees, subject to performance and service conditions. The PSUs granted were subject to a one-year performance period. During the 2023 performance period, officers and other employees both earned 200% of the target based on Boise Cascade's 2023 ROIC and EBITDA, as applicable, determined by our compensation committee and executive management, as applicable, in accordance with the related grant agreements.

The PSUs granted to officers generally vest in a single installment three years from the date of grant, while the PSUs granted to other employees vest in three equal tranches each year after the grant date.

During the three months ended March 31, 2024 and 2023, we granted an aggregate of 71,168 and 115,060 RSUs, respectively, to our officers, other employees, and nonemployee directors with only service conditions. The RSUs granted to officers and other employees vest in three equal tranches each year after the grant date. The RSUs granted to nonemployee directors vest in a single installment after a one year period.

We based the fair value of PSU and RSU awards on the closing market price of our common stock on the grant date. During the three months ended March 31, 2024 and 2023, the total fair value of PSUs and RSUs vested was $31.1 million and $16.8 million, respectively.

The following summarizes the activity of our PSUs and RSUs awarded under our incentive plan for the three months ended March 31, 2024:


	PSUs			RSUs
	Number of shares	Weighted Average Grant-Date Fair Value		Number of shares	Weighted Average Grant-Date Fair Value
Outstanding, December 31, 2023	287,106	$	66.51	178,511	$	70.13
Granted	60,207	137.79		71,168	137.79
Performance condition adjustment (a)	91,227	69.33		—	—
Vested	(130,296)	56.53		(95,296)	68.26
Forfeited	(8,924)	72.08		(5,234)	71.90
Outstanding, March 31, 2024	299,320	$	85.89	149,149	$	103.54

_______________________________

(a) Represents additional PSUs granted during the three months ended March 31, 2024, related to above-target achievement of the 2023

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performance condition described above.

Compensation Expense

We record compensation expense over the awards' vesting period and account for share-based award forfeitures as they occur, rather than making estimates of future forfeitures. Any shares not vested are forfeited. We recognize compensation expense for stock awards with only service conditions on a straight-line basis over the requisite service period. Most of our stock-based compensation expense was recorded in "General and administrative expenses" in our Consolidated Statements of Operations. Total stock-based compensation recognized from PSUs and RSUs, net of forfeitures, was as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
PSUs	$	2,277	$	1,814
RSUs	1,828		1,510

Total	$	4,105	$	3,324

The related tax benefit for the three months ended March 31, 2024 and 2023, was $1.0 million and $0.9 million respectively. As of March 31, 2024, total unrecognized compensation expense related to nonvested share-based compensation arrangements was $32.5 million. This expense is expected to be recognized over a weighted-average period of 2.2 years.

10. Stockholders' Equity

Dividends

On November 14, 2017, we announced that our board of directors approved a dividend policy to pay quarterly cash dividends to holders of our common stock. For more information regarding our dividend declarations and payments made during each of the three months ended March 31, 2024 and 2023, see "Common stock dividends" on our Consolidated Statements of Stockholders' Equity.

On May 2, 2024, our board of directors declared a quarterly dividend of $0.20 per share on our common stock, payable on June 17, 2024, to stockholders of record on June 3, 2024. For a description of the restrictions in our asset-based credit facility and the indenture governing our senior notes on our ability to pay dividends, see Note 7, Debt.

Future dividend declarations, including amount per share, record date and payment date, will be made at the discretion of our board of directors and will depend upon, among other things, legal capital requirements and surplus, our future operations and earnings, general financial condition, material cash requirements, restrictions imposed by our asset-based credit facility and the indenture governing our senior notes, applicable laws, and other factors that our board of directors may deem relevant.

Stock Repurchase

On July 28, 2022, our board of directors authorized the repurchase of an additional 1.5 million shares of our common stock. This increase was in addition to the remaining authorized shares under our prior common stock repurchase program that was authorized on February 25, 2015 (the Program). Share repurchases may be made on an opportunistic basis, through open market transactions, privately negotiated transactions, or by other means in accordance with applicable federal securities laws. We are not obligated to purchase any shares and there is no set date that the Program will expire. Our board of directors may increase or decrease the number of shares under the Program or terminate the Program in its discretion at any time. During 2024, we repurchased 205,938 shares under the Program at a cost of $27.0 million, or an average of $130.97 per share. During 2023, we repurchased 24,727 shares under the Program at a cost of $1.5 million, or an average of $59.91 per share. The shares were purchased with cash on hand and are recorded as "Treasury stock" on our Consolidated Balance Sheets. As of March 31, 2024, there were 1,715,373 shares of common stock that may yet be purchased under the Program.

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11. Transactions With Related Party

Louisiana Timber Procurement Company, L.L.C. (LTP) is an unconsolidated variable-interest entity that is 50% owned by us and 50% owned by Packaging Corporation of America (PCA). LTP procures sawtimber, pulpwood, residual chips, and other residual wood fiber to meet the wood and fiber requirements of us and PCA in Louisiana. We are not the primary beneficiary of LTP as we do not have power to direct the activities that most significantly affect the economic performance of LTP. Accordingly, we do not consolidate LTP's results in our financial statements.

Sales

Related-party sales to LTP from our Wood Products segment in our Consolidated Statements of Operations were $2.6 million and $3.0 million, respectively, during the three months ended March 31, 2024 and 2023. These sales are recorded in "Sales" in our Consolidated Statements of Operations.

Costs and Expenses

Related-party wood fiber purchases from LTP were $19.8 million and $20.1 million, respectively, during the three months ended March 31, 2024 and 2023. These costs are recorded in "Materials, labor, and other operating expenses (excluding depreciation)" in our Consolidated Statements of Operations.

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12. Segment Information

We operate our business using two reportable segments: Wood Products and BMD. We measure and evaluate our reportable segments based on net sales and segment operating income (loss). Accordingly, our chief operating decision maker reviews the performance of the company and allocates resources based primarily on net sales and segment operating income (loss) for our business segments. Unallocated corporate costs are presented as reconciling items to arrive at operating income. There are no differences in our basis of measurement of segment profit or loss from those disclosed in Note 15, Segment Information, of the Notes to Consolidated Financial Statements in "Item 8. Financial Statements and Supplementary Data" in our 2023 Form 10-K.

Wood Products and BMD segment sales to external customers, including related parties, by product line, are as follows:


	Three Months Ended March 31
	2024		2023
	(millions)
Wood Products (a)
LVL (b)	$	12.6	$	7.4
I-joists (b)	6.7		4.7
Other engineered wood products (b)	8.1		7.4
Plywood and veneer	74.6		91.3
Lumber	15.2		23.6
Byproducts	17.1		24.3

Other	6.2		6.5
	140.4		165.1

Building Materials Distribution
Commodity	553.0		547.5
General line	616.9		533.6
Engineered wood products	335.1		298.1
	1,505.0		1,379.2
	$	1,645.4	$	1,544.3

___________________________________

(a) Amounts represent sales to external customers. Sales are calculated after intersegment sales eliminations to our BMD segment.

(b) Sales of EWP to external customers are net of the cost of all EWP rebates and sales allowances provided at various stages of the supply chain (including distributors, dealers, and homebuilders). For the three months ended March 31, 2024 and 2023, approximately 77% and 79%, respectively, of Wood Products' EWP sales volumes were to our BMD segment.

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An analysis of our operations by segment is as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Net sales by segment
Wood Products	$	468,928	$	437,428
Building Materials Distribution	1,505,021		1,379,242
Intersegment eliminations (a)	(328,529)		(272,341)
Total net sales	$	1,645,420	$	1,544,329

Segment operating income
Wood Products	$	71,238	$	69,395
Building Materials Distribution	72,463		69,685
Total segment operating income	143,701		139,080
Unallocated corporate costs	(10,719)		(11,478)
Income from operations	$	132,982	$	127,602

___________________________________

(a) Primarily represents intersegment sales from our Wood Products segment to our BMD segment.

13. Commitments, Legal Proceedings and Contingencies, and Guarantees

Commitments

We are a party to a number of long-term log supply agreements that are discussed in Note 16, Commitments, Legal Proceedings and Contingencies, and Guarantees, of the Notes to Consolidated Financial Statements in "Item 8. Financial Statements and Supplementary Data" in our 2023 Form 10-K. In addition, we have purchase obligations for goods and services, capital expenditures, and raw materials entered into in the normal course of business. As of March 31, 2024, there have been no material changes to the above commitments disclosed in the 2023 Form 10-K.

Legal Proceedings and Contingencies

We are a party to legal proceedings that arise in the ordinary course of our business, including commercial liability claims, premises claims, environmental claims, and employment-related claims, among others. As of the date of this filing, we do not believe that we are party to any legal action that could reasonably be expected to have, individually or in the aggregate, a material adverse effect on our financial position, results of operations, or cash flows.

Guarantees

We provide guarantees, indemnifications, and assurances to others. Note 16, Commitments, Legal Proceedings and Contingencies, and Guarantees, of the Notes to Consolidated Financial Statements in "Item 8. Financial Statements and Supplementary Data" in our 2023 Form 10-K describes the nature of our guarantees, including the approximate terms of the guarantees, how the guarantees arose, the events or circumstances that would require us to perform under the guarantees, and the maximum potential undiscounted amounts of future payments we could be required to make. As of March 31, 2024, there have been no material changes to the guarantees disclosed in the 2023 Form 10-K.

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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Understanding Our Financial Information

This Management's Discussion and Analysis of Financial Condition and Results of Operations should be read in conjunction with our consolidated financial statements and related notes in "Item 1. Financial Statements" of this Form 10-Q, as well as our 2023 Form 10-K. The following discussion includes statements regarding our expectations with respect to our future performance, liquidity, and capital resources. Such statements, along with any other non-historical statements in the discussion, are forward-looking. These forward-looking statements include, without limitation, any statement that may predict, indicate, or imply future results, performance, or achievements and may contain the words "may," "will," "expect," "believe," "should," "plan," "anticipate," and other similar expressions. All of these forward-looking statements are based on estimates and assumptions made by our management that, although believed by us to be reasonable, are inherently uncertain. These forward-looking statements are subject to numerous risks and uncertainties, including, but not limited to, the risks and uncertainties described in "Item 1A. Risk Factors" in our 2023 Form 10-K, as well as those factors listed in other documents we file with the Securities and Exchange Commission (the SEC). We do not assume an obligation to update any forward-looking statement. Our future actual results may differ materially from those contained in or implied by any of the forward-looking statements in this Form 10-Q.

Background

Boise Cascade Company is a building products company headquartered in Boise, Idaho. As used in this Form 10-Q, the terms "Boise Cascade," "we," and "our" refer to Boise Cascade Company and its consolidated subsidiaries. Boise Cascade is a large, integrated wood products manufacturer and building materials distributor. We have two reportable segments: (i) Wood Products, which primarily manufactures engineered wood products (EWP) and plywood; and (ii) Building Materials Distribution (BMD), which is a wholesale distributor of building materials. Our products are used in the construction of new residential housing, including single-family, multi-family, and manufactured homes, the repair-and-remodeling of existing housing, the construction of light industrial and commercial buildings, and industrial applications. For more information, see Note 12, Segment Information, of the Condensed Notes to Unaudited Quarterly Consolidated Financial Statements in "Item 1. Financial Statements" of this Form 10-Q.

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Executive Overview

We recorded income from operations of $133.0 million during the three months ended March 31, 2024, compared with income from operations of $127.6 million during the three months ended March 31, 2023. In our Wood Products segment, income increased $1.8 million to $71.2 million for the three months ended March 31, 2024, from $69.4 million for the three months ended March 31, 2023, due primarily to higher EWP sales volumes and higher plywood sales prices, offset partially by lower EWP sales prices and higher wood fiber costs. In our BMD segment, income increased $2.8 million to $72.5 million for the three months ended March 31, 2024, from $69.7 million for the three months ended March 31, 2023, driven by a gross margin increase of $22.9 million, resulting primarily from higher sales volumes and improved margins on general line and commodity products, offset partially by increased selling and distribution expenses and depreciation and amortization expense of $16.5 million and $4.0 million, respectively. These changes are discussed further in "Our Operating Results" below.

We ended first quarter 2024 with $890.2 million of cash and cash equivalents and $395.7 million of undrawn committed bank line availability, for total available liquidity of $1,286.0 million. We had $445.5 million of outstanding debt at March 31, 2024. We used $59.3 million of cash during the three months ended March 31, 2024, as cash provided by operations was offset by capital spending, treasury stock purchases, dividends paid on our common stock, and tax withholding payments on stock-based awards. A further description of our cash sources and uses for the three-month comparative periods are discussed in "Liquidity and Capital Resources" below.

Demand for the products we manufacture, as well as the products we purchase and distribute, is correlated with new residential construction, residential repair-and-remodeling activity and light commercial construction. Residential construction, particularly new single-family construction, is the key demand driver for the products we manufacture and distribute. Current industry forecasts for 2024 U.S. housing starts are generally consistent with actual housing starts of 1.42 million in 2023, as reported by the U.S. Census Bureau. Home affordability remains a challenge for many consumers due to the cost of housing combined with elevated mortgage rates. However, with low unemployment and an undersupply of existing housing stock available for sale, new residential construction is expected to remain an important source of supply for homebuyers. Recent pressures on multi-family starts are expected to continue due to increased capital costs for developers combined with cooling rents and elevated supply. Regarding home improvement spending, the age of U.S. housing stock and elevated levels of homeowner equity have provided a favorable backdrop for repair-and-remodel spending. In 2023, year-over-year growth rates in renovation spending moderated due to economic uncertainty and higher borrowing costs. While home improvement spending is expected to remain healthy compared to history, recent industry forecasts project mid-single-digit declines in 2024. Ultimately, macroeconomic factors, the level and expectations for mortgage rates, home affordability, home equity levels, and other factors will likely influence the near-term demand environment for the products we manufacture and distribute.

As a manufacturer of certain commodity products, we have sales and profitability exposure to declines in commodity product prices and rising input costs. Our distribution business purchases and resells a broad mix of products with periods of increasing prices providing the opportunity for higher sales and increased margins, while declining price environments expose us to declines in sales and profitability. Future product pricing, particularly commodity products pricing and input costs, may be volatile in response to economic uncertainties, industry operating rates, supply-related disruptions, transportation constraints or disruptions, net import and export activity, inventory levels in various distribution channels, and seasonal demand patterns.

Factors That Affect Our Operating Results and Trends

Our results of operations and financial performance are influenced by a variety of factors, including the following:

•the commodity nature of a portion of our products and their price movements, which are driven largely by industry capacity and operating rates, industry cycles that affect supply and demand, and net import and export activity;

•general economic conditions, including but not limited to housing starts, repair-and-remodeling activity, light commercial construction, inventory levels of new and existing homes for sale, foreclosure rates, interest rates, inflation, unemployment rates, household formation rates, prospective home buyers' access to and cost of financing, and housing affordability, that ultimately affect demand for our products;

•the highly competitive nature of our industry;

•declines in demand for our products due to competing technologies or materials, as well as changes in building code provisions;

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•disruptions to information systems used to process and store customer, employee, and vendor information, as well as the technology that manages our operations and other business processes;

•material disruptions and/or major equipment failure at our manufacturing facilities;

•declining demand for residual byproducts, particularly wood chips generated in our manufacturing operations;

•labor disruptions, shortages of skilled and technical labor, or increased labor costs;

•the need to successfully formulate and implement succession plans for key members of our management team;

•product shortages, loss of key suppliers, and our dependence on third-party suppliers and manufacturers;

•the cost and availability of third-party transportation services used to deliver the goods we manufacture and distribute, as well as our raw materials;

•cost and availability of raw materials, including wood fiber and glues and resins;

•our ability to execute our organic growth and acquisition strategies efficiently and effectively;

•failures or delays with new or existing technology systems and software platforms;

•our ability to successfully pursue our long-term growth strategy related to innovation and digital technology;

•concentration of our sales among a relatively small group of customers, as well as the financial condition and creditworthiness of our customers;

•impairment of our long-lived assets, goodwill, and/or intangible assets;

•substantial ongoing capital investment costs, including those associated with organic growth and acquisitions, and the difficulty in offsetting fixed costs related to those investments;

•our indebtedness, including the possibility that we may not generate sufficient cash flows from operations or that future borrowings may not be available in amounts sufficient to fulfill our debt obligations and fund other liquidity needs;

•restrictive covenants contained in our debt agreements;

•compliance with data privacy and security laws and regulations;

•the impacts of climate change and related legislative and regulatory responses intended to reduce climate change;

•cost of compliance with government regulations, in particular, environmental regulations;

•exposure to product liability, product warranty, casualty, construction defect, and other claims;

•fluctuations in the market for our equity; and

•the other factors described in "Item 1A. Risk Factors" in our 2023 Form 10-K.

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Our Operating Results

The following tables set forth our operating results in dollars and as a percentage of sales for the three months ended March 31, 2024 and 2023:


	Three Months Ended March 31
	2024			2023
	(millions)
Sales	$	1,645.4		$	1,544.3

Costs and expenses
Materials, labor, and other operating expenses (excluding depreciation)	1,307.4			1,230.6
Depreciation and amortization	35.9			31.2
Selling and distribution expenses	144.1			128.8
General and administrative expenses	25.1			26.5

Other (income) expense, net	(0.1)			(0.3)
	1,512.4			1,416.7

Income from operations	$	133.0		$	127.6

	(percentage of sales)
Sales	100.0		%	100.0		%

Costs and expenses
Materials, labor, and other operating expenses (excluding depreciation)	79.5		%	79.7		%
Depreciation and amortization	2.2			2.0
Selling and distribution expenses	8.8			8.3
General and administrative expenses	1.5			1.7

Other (income) expense, net	—			—
	91.9		%	91.7		%

Income from operations	8.1		%	8.3		%

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Sales Volumes and Prices

Set forth below are historical U.S. housing starts data, segment sales volumes and average net selling prices for the principal products sold by our Wood Products segment, and sales mix and gross margin information for our BMD segment for the three months ended March 31, 2024 and 2023:


	Three Months Ended March 31
	2024			2023
	(thousands)
U.S. Housing Starts (a)
Single-family	239.1			188.2
Multi-family	79.7			126.7
	318.8			314.9

	(thousands)
Segment Sales
Wood Products	$	468,928		$	437,428
Building Materials Distribution	1,505,021			1,379,242

Intersegment eliminations	(328,529)			(272,341)
Total sales	$	1,645,420		$	1,544,329

Wood Products	(millions)
Sales Volumes
Laminated veneer lumber (LVL) (cubic feet)	4.8			3.6
I-joists (equivalent lineal feet)	57			39
Plywood (sq. ft.) (3/8" basis)	372			406



Wood Products	(dollars per unit)
Average Net Selling Prices
Laminated veneer lumber (LVL) (cubic foot)	$	28.75		$	31.17
I-joists (1,000 equivalent lineal feet)	2,018			2,168
Plywood (1,000 sq. ft.) (3/8" basis)	378			367



	(percentage of BMD sales)
Building Materials Distribution
Product Line Sales
Commodity	36.7		%	39.7		%
General line	41.0		%	38.7		%
Engineered wood products	22.3		%	21.6		%

Gross margin percentage (b)	15.1		%	14.8		%

_______________________________________

(a) Actual U.S. housing starts data reported by the U.S. Census Bureau.

(b) We define gross margin as "Sales" less "Materials, labor, and other operating expenses (excluding depreciation)." Substantially all costs included in "Materials, labor, and other operating expenses (excluding depreciation)" for our BMD segment are for inventory purchased for resale. Gross margin percentage is gross margin as a percentage of segment sales.

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Sales

For the three months ended March 31, 2024, total sales increased $101.1 million, or 7%, to $1,645.4 million from $1,544.3 million during the three months ended March 31, 2023. As described below, the increase in sales was driven by the changes in sales prices and volumes for the products we manufacture and distribute with single-family residential construction activity being the key demand driver of our sales. In first quarter 2024, total U.S. housing starts and single-family housing starts increased 1% and 27%, respectively, compared with the same period in 2023. Average composite panel prices for the three months ended March 31, 2024 were 23% higher than in the same period in the prior year, as reflected by Random Lengths composite panel pricing. Average composite lumber prices for the three months ended March 31, 2024 were 2% lower than in the same period in the prior year, as reflected by Random Lengths composite lumber pricing.

Wood Products. Sales, including sales to our BMD segment, increased $31.5 million, or 7%, to $468.9 million for the three months ended March 31, 2024, from $437.4 million for the three months ended March 31, 2023. The increase in sales was driven by higher sales volumes for I-joists and LVL (collectively referred to as EWP) of 46% and 31%, respectively, resulting in increased sales of $38.8 million and $35.5 million, respectively. EWP sales volumes increased due to an increase in housing starts. In addition, higher plywood sales prices of 3% resulted in increased sales of $3.8 million. These increases were offset partially by decreased sales prices for LVL and I-joists of 8% and 7%, respectively, resulting in decreased sales of $11.6 million and $8.5 million, respectively, as well as decreased plywood sales volumes of 8% resulting in decreased sales of $12.6 million. Plywood sales volumes decreased as we shifted a higher proportion of our internally produced veneer into EWP production, given the change in demand for EWP. In addition, other sales, including residual byproducts and lumber, decreased $14.5 million.

Building Materials Distribution. Sales increased $125.8 million, or 9%, to $1,505.0 million for the three months ended March 31, 2024, from $1,379.2 million for the three months ended March 31, 2023. Compared with the same quarter in the prior year, the overall increase in sales was driven by a sales volume increase of 12%, offset partially by a sales price decrease of 3%. By product line, commodity sales increased 1%, or $5.5 million; general line product sales increased 16%, or $83.3 million; and EWP sales (substantially all of which are sourced through our Wood Products segment) increased 12%, or $37.0 million.

Costs and Expenses

Materials, labor, and other operating expenses (excluding depreciation) increased $76.8 million, or 6%, to $1,307.4 million for the three months ended March 31, 2024, compared with $1,230.6 million during the same period in the prior year. In our Wood Products segment, materials, labor, and other operating expenses increased due to higher EWP sales volumes and higher per-unit costs of OSB (used in the manufacture of I-joists) of approximately 24%, compared with first quarter 2023, as well as increased other manufacturing and labor costs. Materials, labor, and other operating expenses as a percentage of sales (MLO rate) in our Wood Products segment increased by 140 basis points. The increase in the MLO rate was primarily the result of lower EWP sales prices, resulting in decreased leveraging of other manufacturing costs. In BMD, the increase in materials, labor, and other operating expenses was driven by higher purchased materials costs as a result of an increase in sales volumes compared with first quarter 2023. However, the BMD segment MLO rate improved 30 basis points compared with first quarter 2023, driven by a greater mix of general line and EWP sales, which have higher margins than commodity products. In addition, margin percentages for our commodity and general line product sales improved, offset partially by lower margin percentages on our EWP sales.

Depreciation and amortization expense increased $4.7 million, or 15%, to $35.9 million for the three months ended March 31, 2024, compared with $31.2 million during the same period in the prior year. The increase was due primarily to the BROSCO acquisition on October 2, 2023, accelerated depreciation of $2.2 million in first quarter 2024 for the indefinite curtailment of lumber production at our Chapman, Alabama facility, as well as other capital expenditures. These increases were offset partially be decreases in depreciation related to fully depreciated assets.

Selling and distribution expenses increased $15.3 million, or 12%, to $144.1 million for the three months ended March 31, 2024, compared with $128.8 million during the same period in the prior year. The increase was due primarily to higher employee-related expenses of $6.6 million and increased shipping and handling and occupancy costs of $2.2 million and $1.0 million, respectively. In addition, expenses related to advertising and professional services increased $1.5 million.

General and administrative expenses decreased $1.4 million, or 5%, to $25.1 million for the three months ended March 31, 2024, compared with $26.5 million for the same period in the prior year, primarily due to a decrease in professional fees and incentive compensation, offset partially by an increase in employee-related expenses.

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Income From Operations

Income from operations increased $5.4 million to $133.0 million for the three months ended March 31, 2024, compared with $127.6 million for the three months ended March 31, 2023.

Wood Products. Segment income increased $1.8 million to $71.2 million for the three months ended March 31, 2024, compared with $69.4 million for the three months ended March 31, 2023. The increase in segment income was due primarily to higher EWP sales volumes, as well as higher plywood sales prices. These increases in segment income were offset partially by lower EWP sales prices and higher wood fiber costs. In addition, segment income was negatively impacted by accelerated depreciation of $2.2 million in first quarter 2024 for the indefinite curtailment of lumber production at our Chapman, Alabama facility.

Building Materials Distribution. Segment income increased $2.8 million to $72.5 million for the three months ended March 31, 2024, from $69.7 million for the three months ended March 31, 2023. The increase in segment income was driven by a gross margin increase of $22.9 million, resulting primarily from higher sales volumes and improved margins on general line and commodity products. The gross margin improvement was offset partially by increased selling and distribution expenses and depreciation and amortization expense of $16.5 million and $4.0 million, respectively.

Corporate. Unallocated corporate expenses decreased $0.8 million to $10.7 million for the three months ended March 31, 2024, from $11.5 million for the same period in the prior year. The decrease was due primarily to a decrease in professional fees.

Other

Interest Income. Interest income increased $0.9 million to $10.6 million for the three months ended March 31, 2024, from $9.7 million for the three months ended March 31, 2023. The increase was due primarily to higher interest rates on cash equivalents.

Change in fair value of interest rate swaps. For information related to our interest rate swap, see the discussion under "Interest Rate Risk and Interest Rate Swap" of Note 2, Summary of Significant Accounting Policies, of the Condensed Notes to Unaudited Quarterly Consolidated Financial Statements in "Item 1. Financial Statements" of this Form 10-Q.

Income Tax Provision

Liquidity and Capital Resources

We ended first quarter 2024 with $890.2 million of cash and cash equivalents and $445.5 million of debt. At March 31, 2024, we had $1,286.0 million of available liquidity (cash and cash equivalents and undrawn committed bank line availability). Our cash and cash equivalents decreased by $59.3 million during the three months ended March 31, 2024, as cash provided by operations was offset by capital spending, treasury stock purchases, dividends paid on our common stock, and tax withholding payments on stock-based awards. Further descriptions of our cash sources and uses for the three-month comparative periods are noted below.

We believe that our cash flows from operations, combined with our current cash levels and available borrowing capacity, will be adequate to fund debt service requirements and provide cash, as required, to support our ongoing operations, capital expenditures, lease obligations, working capital, income tax payments, and to pay cash dividends to holders of our common stock over the next 12 months. We expect to fund our seasonal and intra-month working capital requirements in 2024 from cash on hand and, if necessary, borrowings under our revolving credit facility.

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Sources and Uses of Cash

We generate cash primarily from sales of our products, as well as short-term and long-term borrowings. Our primary uses of cash are for expenses related to the manufacture and distribution of building products, including inventory purchased for resale, wood fiber, labor, energy, and glues and resins. In addition to paying for ongoing operating costs, we use cash to invest in our business, service our debt and lease obligations, and return cash to our shareholders through dividends or common stock repurchases. Below is a discussion of our sources and uses of cash for operating activities, investing activities, and financing activities.


	Three Months Ended March 31
	2024		2023
	(thousands)
Net cash provided by operations	$	27,462	$	47,992
Net cash used for investment	(37,158)		(29,498)
Net cash used for financing	(49,631)		(16,117)

Operating Activities

For the three months ended March 31, 2024, our operating activities generated $27.5 million of cash, compared with $48.0 million of cash generated in the same period in 2023. The $20.5 million decrease in cash provided by operations was due primarily to a greater year-over-year increase in working capital. Working capital increased $149.2 million during the three months ended March 31, 2024, compared with a $117.7 million increase for the same period in the prior year. See "Our Operating Results" in this Management's Discussion and Analysis of Financial Condition and Results of Operations for more information related to factors affecting our operating results.

The increase in working capital during both periods was primarily attributable to higher receivables and inventories, offset by an increase in accounts payable and accrued liabilities. The increase in receivables in both periods primarily reflect increased sales of approximately 19% and 26%, comparing sales for the months of March 2024 and 2023 with sales for the months of December 2023 and 2022, respectively. Inventories increased during the three months ended March 31, 2024 and March 31, 2023 in preparation for the spring building season. The increase in accounts payable and accrued liabilities as of March 31, 2024 was related to the increase in inventories and extended terms offered by certain BMD vendors, offset partially by employee incentive compensation payouts made during the quarter. The increase in accounts payable and accrued liabilities as of March 31, 2023 was related to the increase in inventories, offset partially by employee incentive compensation payouts made during the quarter and lower accrued rebates.

Investment Activities

During the three months ended March 31, 2024 and 2023, we used $34.3 million and $30.1 million, respectively, of cash for purchases of property and equipment, including business improvement and quality/efficiency projects, replacement and expansion projects, and ongoing environmental compliance. During the three months ended March 31, 2024, we also used $3.4 million of cash for post-transaction closing adjustments related to the BROSCO acquisition. For further discussion on the BROSCO acquisition, see Note 5, Acquisition, of the Condensed Notes to Unaudited Quarterly Consolidated Financial Statements in "Item 1. Financial Statements" of this Form 10-Q.

Excluding potential acquisitions, we expect capital expenditures in 2024 to total approximately $250 million to $270 million. We expect our capital spending in 2024 will be for business improvement and quality/efficiency projects, replacement and expansion projects, and ongoing environmental compliance. Our 2024 capital expenditures range includes spending on previously announced projects to add I-joist production capabilities at our Thorsby EWP mill and converting a plywood layup line to a parallel laminated veneer line at our Chapman, Alabama plywood facility. At our Oakdale, Louisiana facility, multiple investment projects are planned over the next two years which include upgrade and redesign of the log utilization center, a new veneer dryer and press, and modification of an existing veneer dryer. In addition, our 2024 capital expenditures range includes spending on the previously announced greenfield distribution centers in Texas and South Carolina in our BMD segment. This level of capital expenditures could increase or decrease as a result of several factors, including acquisitions, efforts to further accelerate organic growth, exercise of lease purchase options, our financial results, future economic conditions, availability of engineering and construction resources, and timing and availability of equipment purchases.

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Financing Activities

During the three months ended March 31, 2024, our financing activities used $49.6 million of cash, including $27.0 million for the repurchase of 205,938 shares of our common stock, $11.2 million for common stock dividend payments, and $11.0 million of tax withholding payments on stock-based awards. During the three months ended March 31, 2024, we did not borrow under our revolving credit facility and therefore have no borrowings outstanding on the facility as of March 31, 2024.

During the three months ended March 31, 2023, our financing activities used $16.1 million of cash, including $8.3 million for common stock dividend payments, $5.9 million of tax withholding payments on stock-based awards, and $1.5 million for the repurchase of 24,727 shares of our common stock. During the three months ended March 31, 2023, we did not borrow under our revolving credit facility.

For more information related to our debt transactions and structure, our dividend policy, and our stock repurchase program, see the discussion in Note 7, Debt, and Note 10, Stockholders' Equity, respectively, of the Condensed Notes to Unaudited Quarterly Consolidated Financial Statements in "Item 1. Financial Statements" of this Form 10-Q.

Other Material Cash Requirements

For information about other material cash requirements, see Liquidity and Capital Resources in "Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations" in our 2023 Form 10-K. As of March 31, 2024, there have been no material changes in other material cash requirements outside the ordinary course of business since December 31, 2023.

Guarantees

Note 8, Debt, and Note 16, Commitments, Legal Proceedings and Contingencies, and Guarantees, of the Notes to Consolidated Financial Statements in "Item 8. Financial Statements and Supplementary Data" in our 2023 Form 10-K describe the nature of our guarantees, including the approximate terms of the guarantees, how the guarantees arose, the events or circumstances that would require us to perform under the guarantees, and the maximum potential undiscounted amounts of future payments we could be required to make. As of March 31, 2024, there have been no material changes to the guarantees disclosed in our 2023 Form 10-K.

Seasonal Influences

We are exposed to fluctuations in quarterly sales volumes and expenses due to seasonal factors. These seasonal factors are common in the building products industry. Seasonal changes in levels of building activity affect our building products businesses, which are dependent on housing starts, repair-and-remodeling activities, and light commercial construction activities. We typically report lower sales volumes in the first and fourth quarters due to the impact of poor weather on the construction market, and we generally have higher sales volumes in the second and third quarters, reflecting an increase in construction due to more favorable weather conditions. We typically have higher working capital in the first and second quarters in preparation and response to the building season. Seasonally cold weather increases costs, especially energy consumption costs, at most of our manufacturing facilities.

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Employees

As of April 28, 2024, we had approximately 7,310 employees. Approximately 18% of these employees work pursuant to collective bargaining agreements. As of April 28, 2024, we had ten collective bargaining agreements. Five agreements covering approximately 460 employees at our Elgin plywood plant, Kettle Falls plywood plant, and Woodinville BMD facility are set to expire on May 31, 2024. One agreement covering approximately 40 employees at our Vancouver BMD facility is set to expire on December 31, 2024. One agreement covering approximately 20 employees at our Billings BMD facility is set to expire on March 31, 2025. The terms and conditions of these agreements will remain in effect after expiration pending negotiation of new agreements. We may not be able to renew these agreements or may renew them on terms that are less favorable to us than the current agreements. If any of these agreements are not renewed or extended upon their termination, we could experience a material labor disruption, strike, or significantly increased labor costs at one or more of our facilities, either in the course of negotiations of a labor agreement or otherwise. Labor disruptions or shortages could prevent us from meeting customer demands or result in increased costs, thereby reducing our sales and profitability.

Disclosures of Financial Market Risks

In the normal course of business, we are exposed to financial risks such as changes in commodity prices, interest rates, and foreign currency exchange rates. As of March 31, 2024, there have been no material changes to financial market risks disclosed in our 2023 Form 10-K.

Environmental

As of March 31, 2024, there have been no material changes to environmental issues disclosed in our 2023 Form 10-K. For additional information, see Environmental in "Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations" in our 2023 Form 10-K.

Critical Accounting Estimates

Critical accounting estimates are those that are most important to the portrayal of our financial condition and results. These estimates require management's most difficult, subjective, or complex judgments, often as a result of the need to estimate matters that are inherently uncertain. We review the development, selection, and disclosure of our critical accounting estimates with the Audit Committee of our board of directors. For information about critical accounting estimates, see Critical Accounting Estimates in "Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations" in our 2023 Form 10-K. At March 31, 2024, there have been no material changes to our critical accounting estimates from those disclosed in our 2023 Form 10-K.

New and Recently Adopted Accounting Standards

For information related to new and recently adopted accounting standards, see "New and Recently Adopted Accounting Standards" in Note 2, Summary of Significant Accounting Policies, of the Condensed Notes to Unaudited Quarterly Consolidated Financial Statements in "Item 1. Financial Statements" in this Form 10-Q.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

For information relating to quantitative and qualitative disclosures about market risk, see the discussion under "Item 7A. Quantitative and Qualitative Disclosures About Market Risk" and under the headings "Disclosures of Financial Market Risks" and "Financial Instruments" in "Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations" in our 2023 Form 10-K. As of March 31, 2024, there have been no material changes in our exposure to market risk from those disclosed in our 2023 Form 10-K.

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ITEM 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

We maintain "disclosure controls and procedures," as defined in Rule 13a-15(e) under the Exchange Act. We have designed these controls and procedures to reasonably assure that information required to be disclosed in our reports filed or submitted under the Exchange Act, such as this Form 10-Q, is recorded, processed, summarized, and reported within the time periods specified in the Securities and Exchange Commission's rules and forms. We have also designed our disclosure controls to provide reasonable assurance that such information is accumulated and communicated to our senior management, including our chief executive officer (CEO) and our chief financial officer (CFO), as appropriate, to allow them to make timely decisions regarding our required disclosures. Based on their evaluation, our CEO and CFO have concluded that as of March 31, 2024, our disclosure controls and procedures were effective.

Changes in Internal Control Over Financial Reporting

There were no changes in our internal control over financial reporting that occurred during the three months ended March 31, 2024, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II—OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

SEC regulations require us to disclose certain information about proceedings arising under federal, state or local environmental provisions if we reasonably believe that such proceedings may result in monetary sanctions above a stated threshold. Pursuant to the SEC regulations, we use a threshold of $1 million or more for purposes of determining whether disclosure of any such proceedings is required.

ITEM 1A. RISK FACTORS

This report on Form 10-Q contains forward-looking statements. Statements that are not historical or current facts, including statements about our expectations, anticipated financial results, projected capital expenditures, and future business prospects, are forward-looking statements. You can identify these statements by our use of words such as "may," "will," "expect," "believe," "should," "plan," "anticipate," and other similar expressions. You can find examples of these statements throughout this report, including "Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations." We cannot guarantee that our actual results will be consistent with the forward-looking statements we make in this report. You should review carefully the risk factors listed in "Item 1A. Risk Factors" in our 2023 Form 10-K, as well as those factors listed in other documents we file with the Securities and Exchange Commission. We do not assume an obligation to update any forward-looking statement.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Purchase of Equity Securities by the Issuer and Affiliated Purchasers


	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	The Maximum Number of Shares That May Yet Be Purchased Under the Plans or Programs
January 1, 2024 - January 31, 2024	—	$	—	—	1,921,311
February 1, 2024 - February 29, 2024	85,711	131.12		85,711	1,835,600
March 1, 2024 - March 31, 2024	120,227	130.86		120,227	1,715,373
Total	205,938	$	130.97	205,938	1,715,373

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

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ITEM 5. OTHER INFORMATION

During the three months ended March 31, 2024, none of Boise Cascade's directors or officers adopted, terminated or modified a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K of the Securities Act of 1933).

ITEM 6. EXHIBITS


Number						Description

10.1						Form of 2024 Restricted Stock Unit Agreemen t under the 2016 Boise Cascade Omnibus Incentive Plan

10.2						Form of 2024 Performance Stock Unit Agreement under the 2016 Boise Cascade Omnibus Incentive Plan

10.3						Form of 2024 Director Restricted Stock Unit Agreement under the 2016 Boise Cascade Omnibus Incentive Plan

31.1						CEO Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

31.2						CFO Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

32.1						CEO Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

32.2						CFO Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

101.INS						Inline XBRL Instance Document

101.SCH						Inline XBRL Taxonomy Extension Schema Document

101.CAL						Inline XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF						Inline XBRL Taxonomy Extension Definition Linkbase Document

101.LAB						Inline XBRL Taxonomy Extension Label Linkbase Document

101.PRE						Inline XBRL Taxonomy Extension Presentation Linkbase Document

104						Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

Table of Contents

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


						BOISE CASCADE COMPANY


						/s/ Kelly E. Hibbs
						Kelly E. Hibbs Senior Vice President, Chief Financial Officer and Treasurer

Date: May 6, 2024

Exhibit 10.1

RESTRICTED STOCK UNIT AGREEMENT

PURSUANT TO THE

2016 BOISE CASCADE OMNIBUS INCENTIVE PLAN


Participant:			[ ]

Grant Date:			March 1, 2024

Number of Restricted Stock Units (the “RSUs”): [ ]

THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”), dated as of the Grant Date above, is entered into by and between Boise Cascade Company, a corporation organized in the State of Delaware (the “Company”), and the Participant specified above, pursuant to the 2016 Boise Cascade Omnibus Incentive Plan (the “Plan”). This Agreement is not enforceable until you accept the Agreement electronically. Electronic acceptance constitutes your acknowledgment of receipt of the Award and your agreement to the terms of the Agreement.

1. Incorporation by Reference; Plan Document Receipt. This Agreement is subject in all respects to the terms and provisions of the Plan (including, without limitation, any amendments to the Plan adopted at any time unless such amendments are expressly intended not to apply to this Agreement), and the terms and provisions of the Plan are made a part of and incorporated in this Agreement as if they were set forth in this Agreement. Any capitalized term not defined in this Agreement shall have the meaning given in the Plan. The Participant acknowledges receipt of a copy of the Plan and that the Participant has read the Plan carefully and fully understands it. If there is any conflict between the terms of this Agreement and the terms of the Plan, the terms of the Plan shall control.

2. Grant of Restricted Stock Unit Award. The Company grants to the Participant, as of the Grant Date, the number of RSUs specified above. Except as otherwise provided by the Plan, the Participant agrees and understands that nothing contained in this Agreement provides, or is intended to provide, the Participant with any protection against potential future dilution of the Participant’s interest in the Company for any reason. No adjustments shall be made for dividends in cash or other property, distributions or other rights in respect of the shares of Common Stock underlying the RSUs, except as otherwise specifically provided for in the Plan or this Agreement.

3. Vesting. The RSUs subject to this Award are subject to a time-based vesting condition (the “Time-Based Condition”).

(a) Time-Based Condition. RSUs will satisfy the Time-Based Condition and vest and become payable on the dates indicated below:


Vesting Date						Number of RSUs satisfying Time- Based Condition
March 1, 2025						33 1/3% of the RSUs
March 1, 2026						33 1/3% of the RSUs
March 1, 2027						33 1/3% of the RSUs

Except as otherwise provided in this Section 3, a Participant must be employed on the applicable vesting date to vest in the applicable portion of the RSUs.

(b) No Partial Vesting; Forfeiture. Except as provided pursuant to Section 3(d)(ii) or Section 3(e), there shall be no proportionate or partial vesting prior to each vesting date. In the event of a Participant’s termination from employment or service with the Company (“Termination”) for any reason other than as specified in Section 3(d) or Section 3(e), all unvested RSUs shall be forfeited immediately following such Termination and the Participant shall have no further rights under this Agreement.

(c) Change in Control. If a Change in Control which constitutes a “change in the ownership of the corporation,” a “change in effective control of the corporation,” or a “change in the ownership of a substantial portion of the assets of the corporation,” as those terms are defined pursuant to Section 409A of the Internal Revenue Code and the regulations thereunder, occurs, then the Time-Based Condition shall be satisfied for all RSUs as of the date of the Change in Control and the RSUs shall vest and become payable as of the date of the Change in

Control so long as the Participant has not incurred a Termination prior to the Change in Control; provided that this Section 3(c) shall not apply if the RSUs are replaced by an equivalent award providing for accelerated vesting in connection with the Participant’s Termination following the Change in Control, as determined by the Committee in its sole discretion.

(d) Termination due to death, Disability, or Retirement.

i.In the event of a Participant’s Termination due to death or Disability, the Time-Based Condition shall be satisfied as of the date of death or Disability for all unvested RSUs.

ii.In the event of a Participant’s Termination due to Retirement, a pro rata portion of the current tranche of unvested RSUs shall be deemed to have satisfied the Time-Based Condition as of the Participant’s Retirement date. The pro rata portion shall be calculated as 33 1/3% of the granted RSUs, multiplied by a fraction, the numerator of which is the number of full calendar months elapsed from the March 1 preceding the Participant’s Retirement date through the Participant’s Retirement date, and the denominator of which is 12. If the Participant’s Retirement date is March 1, the Participant shall receive only the RSUs vesting pursuant to Section 3(a) on the vesting date coincident with the Retirement date and no additional pro rata portion. For purposes of this Agreement, “Retirement” means the Participant’s Termination on the earlier of: the calendar year in which the Participant attains age 62 and has completed at least 10 years of employment with the Company and its predecessors, or the calendar year in which the Participant attains age 65 and has completed at least 5 years of employment with the Company and its predecessors.

(e) Retention as a Non-Employee Director. If the Participant continues to serve as or is appointed as a member of the Company’s Board of Directors immediately following Termination, RSUs shall continue to vest and become payable as if the Participant remained employed by the Company for as long as such Participant serves as a member of the Company’s Board of Directors. Any decision to retain a Participant as a member of the Company’s Board of Directors shall be determined by the Board of Directors (and recommended by the Corporate Governance & Nominating Committee).

(f) Vested RSUs. RSUs that have satisfied the Time-Based Condition are referred to as “Vested RSUs”.

4. Payment.

(a)General. Vested RSUs will be paid to the Participant in whole shares of Common Stock.

(b)Time of Payment. The designated payment date shall be the applicable vesting date in the table in Section 3(a) for RSUs vesting pursuant to Section 3(a) or Section 3(e); the date of Change in Control for RSUs vesting pursuant to Section 3(c); and the date of death, Disability, or Retirement, as applicable, for RSUs vesting pursuant to Section 3(d). Delivery of shares pursuant to this Agreement shall be made within 14 days following the designated payment date.

(c)Blackout Periods. If the Participant is subject to any Company “blackout” policy or other trading restriction imposed by the Company on the date distribution would otherwise be made pursuant to Section 4(b), distribution shall be instead made on the earlier of (i) the date that the Participant is not subject to any such policy or restriction and (ii) the later of (A) December 31 of the calendar year in which distribution would otherwise have been made and (B) the date that is immediately prior to the expiration of two and one-half months following the date distribution would otherwise have been made.

(d)Short-Term Deferral. This Award is intended to satisfy the “short-term deferral” rules of Section 409A of the Internal Revenue Code and the regulations thereunder and therefore is not subject to Section 409A of the Internal Revenue Code. If it is determined that this Award is not a short-term deferral, the administration of this Award shall comply with Section 409A of the Internal Revenue Code and the regulations thereunder.

5. Dividends; Rights as Stockholder. Cash dividends on shares of Common Stock underlying the RSUs shall be credited to a dividend book entry account on behalf of the Participant, provided that any cash dividends shall be held uninvested and without interest, shall be subject to the same vesting conditions as the RSUs to which they relate, and shall be paid in cash at the same time that the shares of Common Stock underlying the Vested RSUs (if any) are delivered to the Participant in accordance with Section 4. Stock dividends on shares of Common Stock underlying the RSUs shall be credited to a dividend book entry account on behalf of the Participant, provided that any stock dividends shall be subject to the same vesting conditions as the RSUs to which they relate, and shall be paid in shares of Common Stock at the same time that the shares of Common Stock underlying the Vested RSUs (if any) are delivered to the Participant in accordance with Section 4. The Participant shall have no

rights as a stockholder with respect to any shares of Common Stock underlying any RSU unless and until the Participant has become the holder of record of such shares.

6. Non-Transferability. No portion of the RSUs (or the shares of Common Stock underlying the RSUs) may be sold, assigned, transferred, encumbered, hypothecated or pledged by the Participant, other than to the Company as a result of forfeiture of the RSUs as provided in Section 3, unless and until the shares are delivered to the Participant in accordance with Section 4 and the Participant has become the holder of record of the shares.

7. Governing Law. All questions concerning the construction, validity and interpretation of this Agreement shall be governed by, and construed in accordance with, the laws of the State of Delaware, without regard to choice of law provisions.

8. Tax Withholding. The Company may deduct or withhold, or require the Participant to remit to the Company, an amount sufficient to satisfy any federal, state, local and foreign taxes of any kind (including, but not limited to, the Participant’s FICA and SDI obligations) which the Company, in its sole discretion, deems necessary to be withheld or remitted to comply with the Code and/or any other applicable law, rule or regulation with respect to the RSUs. If the Participant fails to remit any amounts requested by the Company, the Company may otherwise refuse to issue or transfer any shares of Common Stock otherwise required to be issued pursuant to this Agreement. The Participant acknowledges that if he or she is or becomes Retirement-eligible prior to the final vesting date, FICA and SDI obligations may apply prior to any payment pursuant to Section 4. Any minimum statutory required withholding obligation with regard to the Participant shall be satisfied by reducing the amount of cash or shares of Common Stock otherwise deliverable to the Participant.

9. Securities Representations. This Agreement is being entered into by the Company in reliance upon the following express representations and warranties of the Participant. The Participant acknowledges, represents and warrants that:

(a) The Participant has been advised that the Participant may be an “affiliate” within the meaning of Rule 144 under the Securities Act and in this connection the Company is relying in part on the Participant’s representations set forth in this Section 9.

(b) If the Participant is deemed an affiliate within the meaning of Rule 144 of the Securities Act, the shares of Common Stock issuable hereunder must be held indefinitely unless an exemption from any applicable resale restrictions is available or the Company files an additional registration statement (or a “re-offer prospectus”) with regard to such shares of Common Stock and the Company is under no obligation to register such shares of Common Stock (or to file a “re-offer prospectus”).

(c) If the Participant is deemed an affiliate within the meaning of Rule 144 of the Securities Act, the Participant understands that (i) the exemption from registration under Rule 144 will not be available unless (A) a public trading market then exists for the Common Stock of the Company, (B) adequate information concerning the Company is then available to the public, and (C) other terms and conditions of Rule 144 or any exemption therefrom are complied with, and (ii) any sale of the shares of Common Stock issuable hereunder may be made only in limited amounts in accordance with the terms and conditions of Rule 144 or any exemption therefrom.

10. Entire Agreement; Amendment. This Agreement, together with the Plan, contains the entire agreement between the parties with respect to the grant of RSUs, and supersedes all prior agreements or prior understandings, whether written or oral, between the parties relating to such subject matter. The Committee may, in its sole discretion, modify or amend this Agreement from time to time in accordance with and as provided in the Plan. This Agreement may also be modified or amended by a writing signed by both the Company and the Participant. The Company shall give written notice to the Participant of any such modification or amendment of this Agreement as soon as practical after the adoption of the modification or amendment.

11. Notices. Any notice by the Participant shall be given to the General Counsel of the Company in writing and such notice shall be deemed duly given upon receipt by the General Counsel. Any notice by the Company shall be given to the Participant in writing and such notice shall be deemed duly given upon receipt at the address the Participant has on file with the Company.

12. No Right to Employment. Nothing in this Agreement shall interfere with or limit in any way the right of the Company, its Subsidiaries or its Affiliates to terminate the Participant’s employment or service at any time, for any reason and with or without Cause. Any questions as to whether and when there has been a Termination and the cause of such Termination shall be determined in the sole discretion of the Committee.

13. Transfer of Personal Data. The Participant authorizes, agrees and unambiguously consents to the transmission by the Company (or any Subsidiary) of any personal data information related to the RSUs awarded under this Agreement for legitimate business purposes (including, without limitation, the administration of the Plan). This authorization and consent is freely given by the Participant.

14. Compliance with Laws. The grant of RSUs and the issuance of shares of Common Stock hereunder shall be subject to, and shall comply with, the requirements of any applicable foreign and U.S. federal and state laws, rules and regulations (including, without limitation, the provisions of the Securities Act, the Exchange Act and in each case the rules and regulations promulgated thereunder) and any applicable securities exchange requirement. The Company shall not be obligated to issue the RSUs or any shares of Common Stock pursuant to this Agreement if issuance would violate any applicable requirements. As a condition to the settlement of the RSUs, the Company may require the Participant to satisfy any qualifications that the Company may deem necessary or appropriate to evidence compliance with any applicable law or regulation.

15. Binding Agreement; Assignment. This Agreement shall inure to the benefit of, be binding upon, and be enforceable by the Company and its successors and assigns. The Participant shall not assign (except in accordance with Section 6) any part of this Agreement without the prior express written consent of the Company.

16. Counterparts. This Agreement may be executed in one or more counterparts, each of which shall be deemed to be an original, but all of which shall constitute one and the same instrument.

17. Further Assurances. Each party shall do and perform (or shall cause to be done and performed) all further acts and shall execute and deliver all other agreements, certificates, instruments and documents as either party may reasonably request in order to carry out the intent and accomplish the purposes of this Agreement and the Plan and the consummation of the transactions contemplated hereunder.

18. Severability. The invalidity or unenforceability of any provisions of this Agreement in any jurisdiction shall not affect the validity, legality or enforceability of the remainder of this Agreement in that jurisdiction or the validity, legality or enforceability of any provision of this Agreement in any other jurisdiction, it being intended that all rights and obligations of the parties shall be enforceable to the fullest extent permitted by law.

19. Acquired Rights. The Participant acknowledges and agrees that: (a) the Company may terminate or amend the Plan at any time; (b) the Award of RSUs made under this Agreement is completely independent of any other award or grant and is made at the sole discretion of the Company; (c) no past grants or awards (including, without limitation, the RSUs awarded under this Agreement) give the Participant any right to any grants or awards in the future; and (d) any benefits granted under this Agreement are not part of the Participant’s ordinary salary, and shall not be considered as part of such salary in the event of severance, resignation or any other Termination.

20. Clawback. The rights contained in this Agreement shall be subject to (i) any right that the Company may have under any Company recoupment policy or other agreement or arrangement with the Participant, or (ii) any right or obligation that the Company may have regarding the clawback of incentive-based compensation under Section 10D of the Exchange Act, as amended (as determined by the rules and regulations promulgated thereunder from time to time by the U.S. Securities and Exchange Commission) or other applicable law.

Exhibit 10.2

PERFORMANCE STOCK UNIT AGREEMENT

PURSUANT TO THE

2016 BOISE CASCADE OMNIBUS INCENTIVE PLAN


Participant:			[ ]

Grant Date:			March 1, 2024

Target Number of Performance Stock Units (the “Target PSUs”): [ ]

THIS PERFORMANCE STOCK UNIT AWARD AGREEMENT (this “Agreement”), dated as of the Grant Date above, is entered into by and between Boise Cascade Company, a corporation organized in the State of Delaware (the “Company”), and the Participant specified above, pursuant to the 2016 Boise Cascade Omnibus Incentive Plan (the “Plan”). This Agreement is not enforceable until you accept the Agreement electronically. Electronic acceptance constitutes your acknowledgment of receipt of the Award and your agreement to the terms of the Agreement.

1.Incorporation by Reference; Plan Document Receipt. This Agreement is subject in all respects to the terms and provisions of the Plan (including, without limitation, any amendments to the Plan adopted at any time unless such amendments are expressly intended not to apply to this Agreement), and the terms and provisions of the Plan are made a part of and incorporated in this Agreement as if they were set forth in this Agreement. Any capitalized term not defined in this Agreement shall have the meaning given in the Plan. The Participant acknowledges receipt of a copy of the Plan and that he or she has read the Plan carefully and fully understands it. If there is any conflict between the terms of this Agreement and the terms of the Plan, the terms of the Plan control.

2.Grant of Performance Stock Unit Award. The Company grants to the Participant, as of the Grant Date, the number of PSUs specified above, as adjusted pursuant to Section 3(a). Except as otherwise provided by the Plan, the Participant agrees and understands that nothing contained in this Agreement provides, or is intended to provide, the Participant with any protection against potential future dilution of the Participant’s interest in the Company for any reason. No adjustments shall be made for dividends in cash or other property, distributions or other rights in respect of the shares of Common Stock underlying the PSUs, except as otherwise specifically provided for in the Plan or this Agreement.

3.Vesting. The PSUs subject to this Award are subject to both a time-based vesting condition (the “Time-Based Condition”) and a performance-based vesting condition (the “Performance Condition”). None of the PSUs shall vest unless and until both the Time-Based Condition and the Performance Condition are satisfied.

a.Performance Condition. The Performance Condition is based upon the Company’s ROIC for the 2024, 2025, and 2026 calendar years (the “Performance Period”). Following the end of the Performance Period, but in no event later than March 1, 2027, the Committee shall determine the percentage of Target PSUs that are earned ( the “Earned PSUs”) based on the following formula. Following the end of each calendar year included in the Performance Period, the Committee shall certify the Company’s ROIC for that calendar year and, based on the level of ROIC achieved in the table below, shall determine the Percentage of Target PSUs for that year. The average of the Percentage of Target PSUs for each of the three years included in the Performance Period will be considered the Earned PSUs. For example, if the ROIC achieved for 2024 is [max %], and the ROIC achieved for 2025 is [target %] and the ROIC achieved for 2026 is [target %], then the Earned PSUs will be 133.33% of Target PSUs.


Level of Performance	ROIC Achieved	Percentage of Target PSUs
Maximum	24.0%	200% (the Maximum Shares)
Target	12.5%	100%
Threshold	7.5%	50%

i.For each calendar year included in the Performance Period, the Percentage of Target PSUs for the actual annual ROIC between the Threshold level and the Target level or between the Target level and the Maximum level shall be determined on a pro rata basis using straight line interpolation. If the average actual ROIC for the Performance Period

is less than Threshold, none of the PSUs shall become Earned PSUs and no further rights shall exist under this Agreement. The number of Earned PSUs shall not exceed 200% of Target PSUs.

ii. ROIC. For purposes of this Agreement, “ROIC” is defined in Exhibit A.

iii. Change in Control. If a Change in Control occurs during the Performance Period, then the number of Earned PSUs shall equal the number of Target PSUs; provided however that this Section 3(a)(iii) shall not apply if the PSUs are replaced by an equivalent award providing for accelerated vesting in connection with the Participant’s termination from employment or service with the Company (“Termination”) following the Change in Control, as determined by the Committee in its sole discretion.

b.Time-Based Condition.

i. Vesting Date. Earned PSUs will satisfy the Time-Based Condition and vest on March 1, 2027 (the Vesting Date). Except as otherwise provided in this Section 3(b), a Participant must be employed on the Vesting Date to vest in the Earned PSUs. If a Participant incurs a Termination prior to the Vesting Date other than as provided in this Section 3(b), all Earned PSUs will be forfeited immediately following the Participant’s Termination.

ii. No Partial Vesting. Except as provided pursuant to Section 3(b)(v) or Section 3(b)(vi), there shall be no proportionate or partial vesting prior to the Vesting Date.

iii. Change in Control. If a Change in Control which constitutes a “change in the ownership of the corporation,” a “change in effective control of the corporation,” or a “change in the ownership of a substantial portion of the assets of the corporation,” as those terms are defined pursuant to Section 409A of the Internal Revenue Code and the regulations thereunder, occurs prior to the Vesting Date, then the Time-Based Condition shall be satisfied for all Earned PSUs as of the date of the Change in Control and the Earned PSUs shall vest as of the date of the Change in Control, so long as the Participant has not incurred a Termination prior to the Change in Control; provided that this Section 3(b)(iii) shall not apply if the PSUs are replaced by an equivalent award providing for accelerated vesting in connection with the Participant’s Termination following the Change in Control, as determined by the Committee in its sole discretion.

iv. Termination due to death or Disability. In the event of a Participant’s Termination due to death or Disability during the Performance Period, then the Time-Based Condition shall be satisfied as of the date of death or Disability for all PSUs and the PSUs shall remain outstanding and shall have the opportunity to satisfy the Performance Condition and become Earned PSUs. In the event of a Participant’s Termination due to death or Disability after the Performance Period, the Time-Based Condition shall be satisfied as of the date of death or Disability for all Earned PSUs.

v. Termination due to Retirement. In the event of a Participant’s Retirement at any time prior to the Vesting Date, a pro rata portion of the Earned PSUs shall be deemed to have satisfied the Time-Based Condition as of the later of March 1, 2025 or the Participant’s Retirement date. The pro rata portion shall be calculated as the number of Earned PSUs multiplied by a fraction, the numerator of which is the number of full calendar months elapsed from March 1, 2024 through the Participant’s Retirement date, and the denominator of which is 36. For purposes of this Agreement, “Retirement” means the Participant’s Termination on the earlier of: the calendar year in which the Participant attains age 62 and has completed at least 10 years of employment with the Company and its predecessors, or the calendar year in which the Participant attains age 65 and has completed at least 5 years of employment with the Company and its predecessors.

vi. Retention as a Non-Employee Director. If the Participant continues to serve as or is appointed as a member of the Company’s Board of Directors immediately following Termination, PSUs shall continue to vest and become payable as if the Participant remained employed by the Company for as long as such Participant continues to serve as a member of the Company’s Board of Directors. Any decision to retain a Participant as a member of the Company’s Board of Directors shall be determined by the Board of Directors (and recommended by the Corporate Governance & Nominating Committee).

c.Vested PSUs. PSUs that have satisfied both the Time-Based Condition and the Performance Condition are referred to as “Vested PSUs”.

4.Payment.

a.General. Vested PSUs will be paid to the Participant in whole shares of Common Stock.

b.Time of Payment. The designated payment date for purposes of Section 409A of the Internal Revenue Code and the regulations thereunder shall be March 1, 2027 for Earned PSUs vesting pursuant to Section 3(b)(i), Section 3(b)(v), and Section 3(b)(vi); the date of Change in Control for Earned PSUs vesting pursuant to Section 3(b)(iii); and the date of death or Disability for Earned PSUs vesting pursuant to Section 3(b)(iv). Delivery of shares pursuant to this Agreement shall be made as soon as practicable following the designated payment date, and in any case by the later of December 31st of the calendar year in which such designated payment date occurs or the 15th day of the third calendar month following the designated payment date.

5.Dividends; Rights as Stockholder. Cash dividends on shares of Common Stock underlying the PSUs shall be credited to a dividend book entry account on behalf of the Participant, provided that any cash dividends shall be held uninvested and without interest, shall be subject to the same vesting conditions as the PSUs to which they relate, and shall be paid in cash at the same time that the shares of Common Stock underlying the Vested PSUs (if any) are delivered to the Participant in accordance with Section 4. Stock dividends on shares of Common Stock underlying the PSUs shall be credited to a dividend book entry account on behalf of the Participant, provided that any stock dividends shall be subject to the same vesting conditions as the PSUs to which they relate, and shall be paid in shares of Common Stock at the same time that the shares of Common Stock underlying the Vested PSUs (if any) are delivered to the Participant in accordance with Section 4. The Participant shall have no rights as a stockholder with respect to any shares of Common Stock underlying any PSU unless and until the Participant has become the holder of record of such shares.

6.Non-Transferability. No portion of the PSUs (or the shares of Common Stock underlying the PSUs) may be sold, assigned, transferred, encumbered, hypothecated or pledged by the Participant, other than to the Company as a result of forfeiture of the PSUs as provided in Section 3, unless and until the shares are delivered to the Participant in accordance with Section 4 and the Participant has become the holder of record of the shares.

7.Governing Law. All questions concerning the construction, validity and interpretation of this Agreement shall be governed by, and construed in accordance with, the laws of the State of Delaware, without regard to choice of law provisions.

Company, the Company may otherwise refuse to issue or transfer any shares of Common Stock otherwise required to be issued pursuant to this Agreement. The Participant acknowledges that if he or she is or becomes Retirement-eligible or Retires prior to the Vesting Date, FICA and SDI obligations may apply prior to any payment pursuant to Section 4. Any minimum statutory required withholding obligation with regard to the Participant shall be satisfied by reducing the amount of cash or shares of Common Stock otherwise deliverable to the Participant.

9.Securities Representations. This Agreement is being entered into by the Company in reliance upon the following express representations and warranties of the Participant. The Participant acknowledges, represents and warrants that:

a.The Participant has been advised that the Participant may be an “affiliate” within the meaning of Rule 144 under the Securities Act and in this connection the Company is relying in part on the Participant’s representations set forth in this Section 9.

b.If the Participant is deemed an affiliate within the meaning of Rule 144 of the Securities Act, the shares of Common Stock issuable hereunder must be held indefinitely unless an exemption from any applicable resale restrictions is available or the Company files an additional registration statement (or a “re-offer prospectus”) with regard to such shares of Common Stock and the Company is under no obligation to register such shares of Common Stock (or to file a “re-offer prospectus”).

c.If the Participant is deemed an affiliate within the meaning of Rule 144 of the Securities Act, the Participant understands that (i) the exemption from registration under Rule 144 will not be available unless (A) a public trading market then exists for the Common Stock of the Company, (B) adequate information concerning the Company is then available to the public, and (C) other terms and conditions of Rule 144 or any exemption therefrom are complied with, and (ii) any sale of the shares of Common Stock issuable hereunder may be made only in limited amounts in accordance with the terms and conditions of Rule 144 or any exemption therefrom.

10.Entire Agreement; Amendment. This Agreement, together with the Plan, contains the entire agreement between the parties with respect to the grant of PSUs, and supersedes all prior agreements or prior understandings, whether written or oral, between the parties relating to such subject matter. The Committee may, in its sole discretion, modify or amend this Agreement from time to time in accordance with and as provided in the Plan. This Agreement may also be modified or amended by a writing signed by both the Company and the Participant. The Company shall give written notice to the Participant of any such modification or amendment of this Agreement as soon as practical after the adoption of the modification or amendment.

11.Notices. Any notice by the Participant shall be given to the General Counsel of the Company in writing and such notice shall be deemed duly given upon receipt by the General Counsel. Any notice by the Company shall be given to the Participant in writing and such notice shall be deemed duly given upon receipt at the address the Participant has on file with the Company.

12.No Right to Employment. Nothing in this Agreement shall interfere with or limit in any way the right of the Company, its Subsidiaries or its Affiliates to terminate the Participant’s employment or service at any time, for any reason and with or without Cause. Any questions as to whether and when there has been a Termination and the cause of such Termination shall be determined in the sole discretion of the Committee.

13.Transfer of Personal Data. The Participant authorizes, agrees and unambiguously consents to the transmission by the Company (or any Subsidiary) of any personal data information related to the PSUs awarded under this Agreement for legitimate business purposes (including, without limitation, the administration of the Plan). This authorization and consent is freely given by the Participant.

14.Compliance with Laws. The grant of PSUs and the issuance of shares of Common Stock hereunder shall be subject to, and shall comply with, the requirements of any applicable foreign and U.S. federal and state laws, rules and regulations (including, without limitation, the provisions of the Securities Act, the Exchange Act and in each case the rules and regulations promulgated thereunder) and any applicable securities exchange requirement. The Company shall not be obligated to issue the PSUs or any shares of Common Stock pursuant to this Agreement if issuance would violate any applicable requirements. As a condition to the settlement of the PSUs, the Company may require the Participant to satisfy any qualifications that the Company may deem necessary or appropriate to evidence compliance with any applicable law or regulation.

15.Binding Agreement; Assignment. This Agreement shall inure to the benefit of, be binding upon, and be enforceable by the Company and its successors and assigns. The Participant shall not assign (except in accordance with Section 6) any part of this Agreement without the prior express written consent of the Company.

16.Counterparts. This Agreement may be executed in one or more counterparts, each of which shall be deemed to be an original, but all of which shall constitute one and the same instrument.

17.Further Assurances. Each party shall do and perform (or shall cause to be done and performed) all further acts and shall execute and deliver all other agreements, certificates, instruments and documents as either party may reasonably request in order to carry out the intent and accomplish the purposes of this Agreement and the Plan and the consummation of the transactions contemplated hereunder.

18.Severability. The invalidity or unenforceability of any provisions of this Agreement in any jurisdiction shall not affect the validity, legality or enforceability of the remainder of this Agreement in that jurisdiction or the validity, legality or enforceability of any provision of this Agreement in any other jurisdiction, it being intended that all rights and obligations of the parties shall be enforceable to the fullest extent permitted by law.

19.Acquired Rights. The Participant acknowledges and agrees that: (a) the Company may terminate or amend the Plan at any time; (b) the Award of PSUs made under this Agreement is completely independent of any other award or grant and is made at the sole discretion of the Company; (c) no past grants or awards (including, without limitation, the PSUs awarded under this Agreement) give the Participant any right to any grants or awards in the future; and (d) any benefits granted under this Agreement are not part of the Participant’s ordinary salary, and shall not be considered as part of such salary in the event of severance, resignation or any other Termination.

20.Clawback. The rights contained in this Agreement shall be subject to (i) any right that the Company may have under any Company recoupment policy or other agreement or arrangement with the Participant, or (ii) any right or obligation that the Company may have regarding the clawback of incentive-based compensation under Section 10D of the Exchange Act, as amended (as determined by the rules and regulations promulgated thereunder from time to time by the U.S. Securities and Exchange Commission) or other applicable law.

EXHIBIT A

ROIC

“ROIC”, or Return on Invested Capital, for any period means, as determined by the Committee in its good faith sole discretion, Net Operating Profit After Taxes (“NOPAT”) divided by average invested capital.

1.NOPAT means net income plus after-tax financing expense.

2.Invested capital means total assets plus capitalized lease expense, less cash, cash equivalents, and current liabilities excluding short-term debt.

3.Average invested capital means a rolling 13-month average of invested capital.

Exhibit 10.3

DIRECTOR RESTRICTED STOCK UNIT AGREEMENT

PURSUANT TO THE

2016 BOISE CASCADE OMNIBUS INCENTIVE PLAN

Participant: [ ]

Grant Date: March 1, 2024

Number of Restricted Stock Units (the “RSUs”): [ ]

THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”), dated as of the Grant Date specified above, is entered into by and between Boise Cascade Company, a corporation organized in the State of Delaware (the “Company”), and the Participant specified above, pursuant to the 2016 Boise Cascade Omnibus Incentive Plan (the “Plan”). This Agreement is not enforceable until you accept the Agreement electronically. Electronic acceptance constitutes your acknowledgment of receipt of the Award and your agreement to the terms of the Agreement.

1.Incorporation by Reference; Plan Document Receipt. This Agreement is subject in all respects to the terms and provisions of the Plan (including, without limitation, any amendments to the Plan adopted at any time and from time to time unless such amendments are expressly intended not to apply to this Agreement), and the terms and provisions of the Plan are made part of and incorporated into this Agreement as if they were set forth in this Agreement. Any capitalized term not defined in this Agreement shall have the meaning given in the Plan. The Participant acknowledges receipt of a copy of the Plan and that the Participant has read the Plan carefully and fully understands it. If there is any conflict between the terms of this Agreement and the terms of the Plan, the terms of the Plan shall control.

2.Grant of Restricted Stock Unit Award. The Company grants to the Participant, as of the Grant Date, the number of RSUs specified above. Except as otherwise provided by the Plan, the Participant agrees and understands that nothing contained in this Agreement provides, or is intended to provide, the Participant with any protection against potential future dilution of the Participant’s interest in the Company for any reason. No adjustments shall be made for dividends in cash or other property, distributions or other rights in respect of the shares of Common Stock underlying the RSUs, except as otherwise specifically provided for in the Plan or this Agreement.

3.Vesting.

(a)Subject to Sections 3(b) and 3(c), (i) 100% of the RSUs granted under this Agreement shall vest on March 1, 2025, as long as the Participant has not incurred a Termination prior to that date, and (ii) if the Participant incurs a Termination prior to March 1, 2025, a pro rata portion of the RSUs granted under this Agreement shall vest on the date of Termination. The pro rata portion shall be calculated based on a fraction, the numerator of which is the number of days elapsed from the Grant Date to the date of the Participant’s Termination and the denominator of which is 365. There shall be no proportionate or partial vesting prior to the vesting date, except as provided in this Section.

(b)Committee Discretion to Accelerate Vesting. Notwithstanding the foregoing, the Committee may, in its sole discretion, provide for accelerated vesting of the RSUs at any time and for any reason.

(c)Change in Control. All unvested RSUs shall become fully vested upon the occurrence of a Change in Control as long as the Participant has not incurred a Termination prior to such Change in Control.

(d)Forfeiture. Subject to the Committee’s discretion to accelerate vesting pursuant to Section 3(b), all unvested RSUs shall be immediately forfeited upon the Participant’s Termination for any reason, except as provided in Section 3(a).

4.Payment

(a)General. Subject to Section 4(b), vested RSUs will be paid to the participant in whole shares of Common Stock.

(b)Time of Payment. The designated payment date shall be the applicable vesting date in Section 3(a) for RSUs vesting pursuant to Section 3(a); the vesting date specified by the Committee for RSUs vesting pursuant to Section 3(b); or the date of Change in Control for RSUs vesting

pursuant to Section 3(c). Delivery of shares pursuant to this Agreement shall be made within 14 days following the designated payment date.

(c)Blackout Periods. If the Participant is subject to any Company “blackout” policy or other trading restriction imposed by the Company on the date distribution would otherwise be made pursuant to Section 4(a), distribution shall be instead made on the earlier of (i) the date that the Participant is not subject to any such policy or restriction and (ii) the later of (A) December 31 of the calendar year in which distribution would otherwise have been made and (B) the date that is immediately prior to the expiration of two and one-half months following the date distribution would otherwise have been made.

5.Dividends; Rights as Stockholder. Cash dividends on shares of Common Stock underlying the granted RSUs shall be credited to a dividend book entry account on behalf of the Participant, provided that any cash dividends shall be held uninvested and without interest, shall be subject to the same vesting conditions as the RSUs to which they relate, and shall be paid in cash at the same time that the shares of Common Stock underlying the Vested RSUs are delivered to the Participant in accordance with Section 4. Stock dividends on shares of Common Stock underlying the granted RSUs shall be credited to a dividend book entry account on behalf of the Participant, provided that any stock dividends shall be subject to the same vesting conditions as the RSUs to which they relate and shall be paid in shares of Common Stock at the same time that the shares of Common Stock underlying the RSUs are delivered to the Participant in accordance with Section 4. The Participant shall have no rights as a stockholder with respect to any shares of Common Stock underlying any RSU unless and until the Participant has become the holder of record of such shares.

6.Non-Transferability. No portion of the RSUs (or the shares of Common Stock underlying the RSUs) may be sold, assigned, transferred, encumbered, hypothecated or pledged by the Participant, other than to the Company as a result of forfeiture of the RSUs as provided in Section 3(d), unless and until the shares are delivered to the Participant in accordance with Section 4 and the Participant has become the holder of record of the shares.

7.Governing Law. All questions concerning the construction, validity and interpretation of this Agreement shall be governed by, and construed in accordance with, the laws of the State of Delaware, without regard to choice of law provisions.

8.Securities Representations. This Agreement is being entered into by the Company in reliance upon the following express representations and warranties of the Participant. The Participant acknowledges, represents and warrants that:

(a)The Participant has been advised that the Participant may be an “affiliate” within the meaning of Rule 144 under the Securities Act and in this connection the Company is relying in part on the Participant’s representations set forth in this Section 8.

(b)If the Participant is deemed an affiliate within the meaning of Rule 144 of the Securities Act, the shares of Common Stock issuable hereunder must be held indefinitely unless an exemption from any applicable resale restrictions is available or the Company files an additional registration statement (or a “re-offer prospectus”) with regard to such shares of Common Stock and the Company is under no obligation to register such shares of Common Stock (or to file a “re-offer prospectus”).

(c)If the Participant is deemed an affiliate within the meaning of Rule 144 of the Securities Act, the Participant understands that (i) the exemption from registration under Rule 144 will not be available unless (A) a public trading market then exists for the Common Stock of the Company, (B) adequate information concerning the Company is then available to the public, and (C) other terms and conditions of Rule 144 or any exemption therefrom are complied with, and (ii) any sale of the shares of Common Stock issuable hereunder may be made only in limited amounts in accordance with the terms and conditions of Rule 144 or any exemption therefrom.

9.Entire Agreement; Amendment. This Agreement, together with the Plan, contains the entire agreement between the parties hereto with respect to the grant of RSUs, and supersedes all prior agreements or prior

understandings, whether written or oral, between the parties relating to such subject matter. The Committee may, in its sole discretion, modify or amend this Agreement from time to time in accordance with and as provided in the Plan. This Agreement may also be modified or amended by a writing signed by both the Company and the Participant. The Company shall give written notice to the Participant of any modification or amendment of this Agreement as soon as practical after the adoption of the modification or amendment.

10.Notices. Any notice by the Participant shall be given to the General Counsel of the Company in writing and notice shall be deemed duly given upon receipt by the General Counsel. Any notice by the Company shall be given to the Participant in writing and such notice shall be deemed duly given upon receipt at the address the Participant has on file with the Company.

11.Transfer of Personal Data. The Participant authorizes, agrees and unambiguously consents to the transmission by the Company (or any Subsidiary) of any personal data information related to the RSUs awarded under this Agreement for legitimate business purposes (including, without limitation, the administration of the Plan). This authorization and consent is freely given by the Participant.

12.Compliance with Laws. The grant of RSUs and the issuance of shares of Common Stock hereunder shall be subject to, and shall comply with, the requirements of any applicable foreign and U.S. federal and state laws, rules and regulations (including, without limitation, the provisions of the Securities Act, the Exchange Act and in each case the rules and regulations promulgated thereunder) and any applicable securities exchange requirement. The Company shall not be obligated to issue the RSUs or any shares of Common Stock pursuant to this Agreement if issuance would violate any applicable requirements. As a condition to the settlement of the RSUs, the Company may require the Participant to satisfy any qualifications that the Company may deem necessary or appropriate to evidence compliance with any applicable law or regulation.

13.Binding Agreement; Assignment. This Agreement shall inure to the benefit of, be binding upon, and be enforceable by the Company and its successors and assigns. The Participant shall not assign (except in accordance with Section 6 hereof) any part of this Agreement without the prior express written consent of the Company.

14.Counterparts. This Agreement may be executed in one or more counterparts, each of which shall be deemed to be an original, but all of which shall constitute one and the same instrument.

15.Further Assurances. Each party shall do and perform (or shall cause to be done and performed) all further acts and shall execute and deliver all other agreements, certificates, instruments and documents as either party reasonably may request in order to carry out the intent and accomplish the purposes of this Agreement and the Plan and the consummation of the transactions contemplated thereunder.

16.Severability. The invalidity or unenforceability of any provisions of this Agreement in any jurisdiction shall not affect the validity, legality or enforceability of the remainder of this Agreement in that jurisdiction or the validity, legality or enforceability of any provision of this Agreement in any other jurisdiction, it being intended that all rights and obligations of the parties shall be enforceable to the fullest extent permitted by law.

17.Acquired Rights. The Participant acknowledges and agrees that: (a) the Company may terminate or amend the Plan at any time; (b) the Award of RSUs made under this Agreement is completely independent of any other award or grant and is made at the sole discretion of the Company; (c) no past grants or awards (including, without limitation, the RSUs awarded under this Agreement) give the Participant any right to any grants or awards in the future

18.Clawback. The rights contained in this Agreement shall be subject to (i) any right that the Company may have under any Company recoupment policy or other agreement or arrangement with the Participant, or (ii) any right or obligation that the Company may have regarding the clawback of incentive-based compensation under Section 10D of the Exchange Act, as amended (as determined by the applicable rules and regulations promulgated thereunder from time to time by the U.S. Securities and Exchange Commission) or other applicable law.

Exhibit 31.1

CEO CERTIFICATION PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Nathan R. Jorgensen, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Boise Cascade Company;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: May 6, 2024


			/s/ Nathan R. Jorgensen
			Nathan R. Jorgensen Chief Executive Officer

Exhibit 31.2

CFO CERTIFICATION PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Kelly E. Hibbs, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Boise Cascade Company;

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: May 6, 2024


			/s/ Kelly E. Hibbs

			Kelly E. Hibbs
			Senior Vice President, Chief Financial Officer & Treasurer

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Nathan R. Jorgensen, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. the accompanying Quarterly Report on Form 10-Q for the quarter ended March 31, 2024 (the "Report") fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

2. the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Boise Cascade Company at the dates and for the periods indicated in the Report.

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Boise Cascade Company and will be retained by Boise Cascade Company and furnished to the Securities and Exchange Commission or its staff upon request.

The undersigned expressly disclaims any obligation to update the foregoing certification except as required by law.

Date: May 6, 2024


			/s/ Nathan R. Jorgensen
			Nathan R. Jorgensen Chief Executive Officer

The foregoing certification is being furnished solely pursuant to the requirements of 18 U.S.C. § 1350 and is not being filed as a part of the Report or as a separate disclosure document.

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Kelly E. Hibbs, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

The undersigned expressly disclaims any obligation to update the foregoing certification except as required by law.

Date: May 6, 2024


			/s/ Kelly E. Hibbs

			Kelly E. Hibbs
			Senior Vice President, Chief Financial Officer & Treasurer

The foregoing certification is being furnished solely pursuant to the requirements of 18 U.S.C. § 1350 and is not being filed as a part of the Report or as a separate disclosure document.

Cover - shares	3 Months Ended
Cover - shares	Mar. 31, 2024	Apr. 26, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	001-35805
Entity Registrant Name	Boise Cascade Company
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	20-1496201
Entity Address, Address Line One	1111 West Jefferson Street Suite 300
Entity Address, City or Town	Boise
Entity Address, State or Province	ID
Entity Address, Postal Zip Code	83702-5389
City Area Code	208
Local Phone Number	384-6161
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	BCC
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		39,479,295
Entity Central Index Key	0001328581
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Amendment Flag	false

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Sales
Sales	$ 1,645,420	$ 1,544,329
Costs and expenses
Materials, labor, and other operating expenses (excluding depreciation)	1,307,439	1,230,635
Depreciation and amortization	35,850	31,186
Selling and distribution expenses	144,110	128,788
General and administrative expenses	25,117	26,463
Other (income) expense, net	(78)	(345)
Total costs and expenses	1,512,438	1,416,727
Income from operations	132,982	127,602
Foreign currency exchange loss	(299)	(73)
Pension expense (excluding service costs)	(37)	(41)
Interest expense	(6,070)	(6,361)
Interest income	10,597	9,685
Change in fair value of interest rate swaps	(220)	(804)
Total nonoperating income (expense)	3,971	2,406
Income before income taxes	136,953	130,008
Income tax provision	(32,829)	(33,275)
Net Income (Loss) Attributable to Parent, Total	$ 104,124	$ 96,733
Weighted average common shares outstanding:
Basic (in shares)	39,608	39,593
Diluted (in shares)	39,956	39,838
Net income per common share:
Basic (in dollars per share)	$ 2.63	$ 2.44
Diluted (in dollars per share)	2.61	2.43
Dividends declared per common share (in dollars per share)	$ 0.20	$ 0.15

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 104,124	$ 96,733
Defined benefit pension plans
Amortization of actuarial loss, net of tax of $2 and $2, respectively	8	6
Other comprehensive income, net of tax	8	6
Comprehensive income	$ 104,132	$ 96,739

Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Amortization of actuarial loss, tax	$ 2	$ 2

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current
Cash and cash equivalents	$ 890,247	$ 949,574
Receivables
Other	13,476	20,740
Inventories	814,596	712,369
Prepaid expenses and other	17,549	21,170
Total current assets	2,216,672	2,056,814
Property and equipment, net	934,286	932,633
Operating lease right-of-use assets	61,378	62,868
Finance lease right-of-use assets	24,172	24,003
Timber deposits	6,898	7,208
Goodwill	170,254	170,254
Intangible assets, net	185,836	190,743
Deferred income taxes	4,748	4,854
Other assets	10,184	9,269
Total assets	3,614,428	3,458,646
Accrued liabilities
Compensation and benefits	69,308	149,561
Income taxes payable	21,774	0
Interest payable	5,083	9,958
Other	127,036	122,921
Total current liabilities	684,726	594,116
Debt
Long-term debt	445,502	445,280
Other
Compensation and benefits	39,223	40,189
Operating lease liabilities, net of current portion	54,850	56,425
Finance lease liabilities, net of current portion	28,347	28,084
Deferred income taxes	87,078	82,014
Other long-term liabilities	17,500	16,874
Total other liabilities	226,998	223,586
Commitments and contingent liabilities
Stockholders' equity
Preferred stock, $0.01 par value per share; 50,000 shares authorized, no shares issued and outstanding	0	0
Common stock, $0.01 par value per share; 300,000 shares authorized, 45,127 and 44,983 shares issued, respectively	451	450
Treasury stock, 5,649 and 5,443 shares at cost, respectively	(172,377)	(145,335)
Additional paid-in capital	553,821	560,697
Accumulated other comprehensive loss	(509)	(517)
Retained earnings	1,875,816	1,780,369
Total stockholders' equity	2,257,202	2,195,664
Total liabilities and stockholders' equity	3,614,428	3,458,646
Nonrelated Party
Receivables
Receivables	480,579	352,780
Accounts payable
Accounts payable	460,244	310,175
Related Party
Receivables
Receivables	225	181
Accounts payable
Accounts payable	$ 1,281	$ 1,501

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Trade receivables, allowances	$ 4,020	$ 3,278
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares issued (in shares)	45,127,000	44,983,000
Treasury stock, shares at cost (in shares)	5,649,000	5,443,000

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash provided by (used for) operations
Net income	$ 104,124	$ 96,733
Items in net income not using (providing) cash
Depreciation and amortization, including deferred financing costs and other	36,621	31,853
Stock-based compensation	4,105	3,324
Pension expense	37	41
Deferred income taxes	5,062	3,393
Change in fair value of interest rate swaps	220	804
Other	55	(518)
Decrease (increase) in working capital, net of acquisitions
Receivables	(119,235)	(111,253)
Inventories	(103,331)	(41,247)
Prepaid expenses and other	(1,689)	(1,428)
Accounts payable and accrued liabilities	75,041	36,181
Income taxes payable	25,834	28,631
Other	618	1,478
Net cash provided by operations	27,462	47,992
Cash provided by (used for) investment
Expenditures for property and equipment	(34,330)	(30,063)
Acquisitions of businesses and facilities	(3,387)	0
Proceeds from sales of assets and other	559	565
Net cash used for investment	(37,158)	(29,498)
Cash provided by (used for) financing
Treasury stock purchased	(26,971)	(1,482)
Dividends paid on common stock	(11,205)	(8,258)
Tax withholding payments on stock-based awards	(10,980)	(5,926)
Other	(475)	(451)
Net cash used for financing	(49,631)	(16,117)
Net increase (decrease) in cash and cash equivalents	(59,327)	2,377
Balance at beginning of the period	949,574	998,344
Balance at end of the period	$ 890,247	$ 1,000,721

Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2022		44,827
Beginning balance at Dec. 31, 2022	$ 2,057,975	$ 448	$ (138,909)	$ 551,215	$ (520)	$ 1,645,741
Beginning balance (in shares) at Dec. 31, 2022			5,367
Net income	96,733					96,733
Other comprehensive income	6				6
Common stock issued (in shares)		156
Common stock issued	2	$ 2
Treasury stock purchased (in shares)			25
Treasury stock purchased	(1,482)		$ (1,482)
Stock-based compensation	3,324			3,324
Common stock dividends	(6,110)					(6,110)
Tax withholding payments on stock-based awards	(5,926)			(5,926)
Other	(2)			(2)
Ending balance (in shares) at Mar. 31, 2023		44,983
Ending balance at Mar. 31, 2023	2,144,520	$ 450	$ (140,391)	548,611	(514)	1,736,364
Ending balance (in shares) at Mar. 31, 2023			5,392
Beginning balance (in shares) at Dec. 31, 2022		44,827
Beginning balance at Dec. 31, 2022	$ 2,057,975	$ 448	$ (138,909)	551,215	(520)	1,645,741
Beginning balance (in shares) at Dec. 31, 2022			5,367
Ending balance (in shares) at Dec. 31, 2023	44,983	44,983
Ending balance at Dec. 31, 2023	$ 2,195,664	$ 450	$ (145,335)	560,697	(517)	1,780,369
Ending balance (in shares) at Dec. 31, 2023	5,443		5,443
Net income	$ 104,124					104,124
Other comprehensive income	8				8
Common stock issued (in shares)		144
Common stock issued	1	$ 1
Treasury stock purchased (in shares)			206
Treasury stock purchased	(26,971)		$ (26,971)
Stock-based compensation	4,105			4,105
Common stock dividends	(8,677)					(8,677)
Tax withholding payments on stock-based awards	(10,980)			(10,980)
Other	$ (72)		(71)	(1)
Ending balance (in shares) at Mar. 31, 2024	45,127	45,127
Ending balance at Mar. 31, 2024	$ 2,257,202	$ 451	$ (172,377)	$ 553,821	$ (509)	$ 1,875,816
Ending balance (in shares) at Mar. 31, 2024	5,649		5,649

Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share)	$ 0.20	$ 0.15

Nature of Operations and Consolidation	3 Months Ended
Nature of Operations and Consolidation	Mar. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Operations and Consolidation	Nature of Operations and Consolidation Nature of Operations Boise Cascade Company is a building products company headquartered in Boise, Idaho. As used in this Form 10-Q, the terms "Boise Cascade," "we," and "our" refer to Boise Cascade Company and its consolidated subsidiaries. We are one of the largest producers of engineered wood products (EWP) and plywood in North America and a leading United States wholesale distributor of building products. We operate our business using two reportable segments: (1) Wood Products, which primarily manufactures EWP and plywood, and (2) Building Materials Distribution (BMD), which is a wholesale distributor of building materials. For more information, see Note 12, Segment Information. Consolidation The accompanying quarterly consolidated financial statements have not been audited by an independent registered public accounting firm but, in the opinion of management, include all adjustments necessary to present fairly the financial position, results of operations, cash flows, and stockholders' equity for the interim periods presented. Except as disclosed within these condensed notes to unaudited quarterly consolidated financial statements, the adjustments made were of a normal, recurring nature. Certain information and footnote disclosures normally included in our annual consolidated financial statements have been condensed or omitted. The quarterly consolidated financial statements include the accounts of Boise Cascade and its subsidiaries after elimination of intercompany balances and transactions. Quarterly results are not necessarily indicative of results that may be expected for the full year. These condensed notes to unaudited quarterly consolidated financial statements should be read in conjunction with our 2023 Form 10-K and the other reports we file with the Securities and Exchange Commission.

Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Accounting Policies

Use of Estimates

Revenue Recognition

Customer Rebates and Allowances and Cash Discounts

Vendor Rebates and Allowances

Leases

give consideration to publicly available interest rates for instruments with similar characteristics, including credit rating, term, and collateralization.

Inventories

Inventories included the following (work in process is not material):


	March 31, 2024		December 31, 2023
	(thousands)
Finished goods and work in process	$	720,181	$	604,624
Logs	41,321		56,270
Other raw materials and supplies	53,094		51,475
	$	814,596	$	712,369

Property and Equipment

Property and equipment consisted of the following asset classes:


	March 31, 2024		December 31, 2023
	(thousands)
Land	$	85,504	$	85,572
Buildings	338,741		338,230
Improvements	81,212		79,308
Mobile equipment, information technology, and office furniture	264,560		254,783
Machinery and equipment	1,046,019		1,037,135
Construction in progress	72,948		64,619
	1,888,984		1,859,647
Less: accumulated depreciation	(954,698)		(927,014)
	$	934,286	$	932,633

Fair Value

Financial Instruments

Interest Rate Risk and Interest Rate Swap

Concentration of Credit Risk

New and Recently Adopted Accounting Standards

There were no other accounting standards recently issued that had or are expected to have a material impact on our consolidated financial statements and associated disclosures.

Reclassifications

Certain amounts in prior year's consolidated financial statements have been reclassified to conform with current year's presentation, none of which were considered material.

Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2024
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes For the three months ended March 31, 2024 and 2023, we recorded $32.8 million and $33.3 million, respectively, of income tax expense and had an effective rate of 24.0% and 25.6%, respectively. For both periods, the primary reason for the difference between the federal statutory income tax rate of 21% and the effective tax rate was the effect of state taxes. During the three months ended March 31, 2024 and 2023, cash paid for taxes, net of refunds received, were $1.9 million and $1.2 million, respectively.

Net Income Per Common Share

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Net Income Per Common Share

The following table sets forth the computation of basic and diluted net income per common share:


	Three Months Ended March 31
	2024		2023
	(thousands, except per-share data)
Net income	$	104,124	$	96,733
Weighted average common shares outstanding during the period (for basic calculation)	39,608		39,593
Dilutive effect of other potential common shares	348		245
Weighted average common shares and potential common shares (for diluted calculation)	39,956		39,838

Net income per common share - Basic	$	2.63	$	2.44
Net income per common share - Diluted	$	2.61	$	2.43

Acquisitions

3 Months Ended

Mar. 31, 2024

Business Combination and Asset Acquisition [Abstract]

Acquisitions

Acquisition


	Acquisition Date Fair Value
	(thousands)
Cash and cash equivalents	$	4,009
Accounts receivable	19,688
Inventories	36,000
Other current assets	159
Property and equipment	57,331
Other assets	508
Intangible assets:
Trade name	18,000
Customer relationships	29,000
Goodwill	32,296
Assets acquired	196,991

Accounts payable	2,144
Accrued liabilities	4,078
Deferred tax liabilities	20,121
Other long-term liabilities	478
Liabilities assumed	26,821

Net assets acquired	$	170,170

Consideration paid, net of cash acquired	$	166,161

Pro Forma Financial Information


	Pro Forma
		Three Months Ended March 31
		2023
	(unaudited, thousands)
Sales		$	1,594,458
Net income		$	101,051

Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill represents the excess of the purchase price and related costs over the fair value of the net tangible and intangible assets of businesses acquired.

The carrying amount of our goodwill by segment is as follows:


	Building Materials Distribution		Wood Products		Total
	(thousands)



Balance at December 31, 2023 and March 31, 2024	$	44,088	$	126,166	$	170,254

Intangible assets consisted of the following:


	March 31, 2024
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(thousands)
Trade names and trademarks	$	27,600	$	(1,299)	$	26,301
Customer relationships	195,050		(35,515)		159,535
	$	222,650	$	(36,814)	$	185,836


	December 31, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(thousands)
Trade names and trademarks	$	27,600	$	(1,000)	$	26,600
Customer relationships	195,050		(30,907)		164,143
	$	222,650	$	(31,907)	$	190,743

Debt

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Debt

Long-term debt consisted of the following:


	March 31, 2024		December 31, 2023
	(thousands)
Asset-based revolving credit facility due 2027	$	—	$	—
Asset-based credit facility term loan due 2027	50,000		50,000

4.875% senior notes due 2030	400,000		400,000

Deferred financing costs	(4,498)		(4,720)
Long-term debt	$	445,502	$	445,280

Asset-Based Credit Facility

Revolving Credit Facility

ABL Term Loan

2030 Notes

The indenture governing the 2030 Notes provides for customary events of default and remedies.

Interest Rate Swap

For information on our interest rate swap, see Interest Rate Risk and Interest Rate Swap of Note 2, Summary of Significant Accounting Policies.

Cash Paid for Interest

For the three months ended March 31, 2024 and 2023, cash payments for interest were $10.0 million and $10.4 million, respectively.

Leases

3 Months Ended

Mar. 31, 2024

Leases [Abstract]

Leases

Lease Costs

The components of lease expense were as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Operating lease cost	$	3,475	$	3,317
Finance lease cost
Amortization of right-of-use assets	617		618
Interest on lease liabilities	541		560
Variable lease cost	1,577		1,385
Short-term lease cost	1,464		1,551
Sublease income	(47)		(53)
Total lease cost	$	7,627	$	7,378

Other Information

Supplemental cash flow information related to leases was as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	3,237	$	3,366
Operating cash flows from finance leases	536		560
Financing cash flows from finance leases	475		451
Right-of-use assets obtained in exchange for lease obligations
Operating leases	983		92
Finance leases	803		—

Other information related to leases was as follows:



	March 31, 2024		December 31, 2023

Weighted-average remaining lease term (years)
Operating leases	8		8
Finance leases	13		13
Weighted-average discount rate
Operating leases	6.2	%	6.2	%
Finance leases	7.5	%	7.6	%

As of March 31, 2024, our minimum lease payment requirements for noncancelable operating and finance leases are as follows:


	Operating Leases		Finance Leases
	(thousands)
Remainder of 2024	$	9,988	$	3,091
2025	13,360		3,834
2026	10,258		3,680
2027	9,491		3,748
2028	7,426		3,496
Thereafter	33,833		30,359
Total future minimum lease payments	84,356		48,208
Less: interest	(19,450)		(17,848)
Total lease obligations	64,906		30,360
Less: current obligations	(10,056)		(2,013)
Long-term lease obligations	$	54,850	$	28,347

Leases

Lease Costs

The components of lease expense were as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Operating lease cost	$	3,475	$	3,317
Finance lease cost
Amortization of right-of-use assets	617		618
Interest on lease liabilities	541		560
Variable lease cost	1,577		1,385
Short-term lease cost	1,464		1,551
Sublease income	(47)		(53)
Total lease cost	$	7,627	$	7,378

Other Information

Supplemental cash flow information related to leases was as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	3,237	$	3,366
Operating cash flows from finance leases	536		560
Financing cash flows from finance leases	475		451
Right-of-use assets obtained in exchange for lease obligations
Operating leases	983		92
Finance leases	803		—

Other information related to leases was as follows:



	March 31, 2024		December 31, 2023

Weighted-average remaining lease term (years)
Operating leases	8		8
Finance leases	13		13
Weighted-average discount rate
Operating leases	6.2	%	6.2	%
Finance leases	7.5	%	7.6	%

As of March 31, 2024, our minimum lease payment requirements for noncancelable operating and finance leases are as follows:


	Operating Leases		Finance Leases
	(thousands)
Remainder of 2024	$	9,988	$	3,091
2025	13,360		3,834
2026	10,258		3,680
2027	9,491		3,748
2028	7,426		3,496
Thereafter	33,833		30,359
Total future minimum lease payments	84,356		48,208
Less: interest	(19,450)		(17,848)
Total lease obligations	64,906		30,360
Less: current obligations	(10,056)		(2,013)
Long-term lease obligations	$	54,850	$	28,347

Stock-Based Compensation

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

In first quarter 2024 and 2023, we granted two types of stock-based awards under our incentive plan: performance stock units (PSUs) and restricted stock units (RSUs).

PSU and RSU Awards

The following summarizes the activity of our PSUs and RSUs awarded under our incentive plan for the three months ended March 31, 2024:


	PSUs			RSUs
	Number of shares	Weighted Average Grant-Date Fair Value		Number of shares	Weighted Average Grant-Date Fair Value
Outstanding, December 31, 2023	287,106	$	66.51	178,511	$	70.13
Granted	60,207	137.79		71,168	137.79
Performance condition adjustment (a)	91,227	69.33		—	—
Vested	(130,296)	56.53		(95,296)	68.26
Forfeited	(8,924)	72.08		(5,234)	71.90
Outstanding, March 31, 2024	299,320	$	85.89	149,149	$	103.54

_______________________________

(a) Represents additional PSUs granted during the three months ended March 31, 2024, related to above-target achievement of the 2023

performance condition described above.

Compensation Expense


	Three Months Ended March 31
	2024		2023
	(thousands)
PSUs	$	2,277	$	1,814
RSUs	1,828		1,510

Total	$	4,105	$	3,324

Stockholders' Equity	3 Months Ended
Stockholders' Equity	Mar. 31, 2024
Equity [Abstract]
Stockholders' Equity	Stockholders' Equity Dividends On November 14, 2017, we announced that our board of directors approved a dividend policy to pay quarterly cash dividends to holders of our common stock. For more information regarding our dividend declarations and payments made during each of the three months ended March 31, 2024 and 2023, see "Common stock dividends" on our Consolidated Statements of Stockholders' Equity. On May 2, 2024, our board of directors declared a quarterly dividend of $0.20 per share on our common stock, payable on June 17, 2024, to stockholders of record on June 3, 2024. For a description of the restrictions in our asset-based credit facility and the indenture governing our senior notes on our ability to pay dividends, see Note 7, Debt. Future dividend declarations, including amount per share, record date and payment date, will be made at the discretion of our board of directors and will depend upon, among other things, legal capital requirements and surplus, our future operations and earnings, general financial condition, material cash requirements, restrictions imposed by our asset-based credit facility and the indenture governing our senior notes, applicable laws, and other factors that our board of directors may deem relevant. Stock Repurchase On July 28, 2022, our board of directors authorized the repurchase of an additional 1.5 million shares of our common stock. This increase was in addition to the remaining authorized shares under our prior common stock repurchase program that was authorized on February 25, 2015 (the Program). Share repurchases may be made on an opportunistic basis, through open market transactions, privately negotiated transactions, or by other means in accordance with applicable federal securities laws. We are not obligated to purchase any shares and there is no set date that the Program will expire. Our board of directors may increase or decrease the number of shares under the Program or terminate the Program in its discretion at any time. During 2024, we repurchased 205,938 shares under the Program at a cost of $27.0 million, or an average of $130.97 per share. During 2023, we repurchased 24,727 shares under the Program at a cost of $1.5 million, or an average of $59.91 per share. The shares were purchased with cash on hand and are recorded as "Treasury stock" on our Consolidated Balance Sheets. As of March 31, 2024, there were 1,715,373 shares of common stock that may yet be purchased under the Program.

Transactions With Related Party	3 Months Ended
Transactions With Related Party	Mar. 31, 2024
Related Party Transactions [Abstract]
Transactions With Related Party	Transactions With Related Party Louisiana Timber Procurement Company, L.L.C. (LTP) is an unconsolidated variable-interest entity that is 50% owned by us and 50% owned by Packaging Corporation of America (PCA). LTP procures sawtimber, pulpwood, residual chips, and other residual wood fiber to meet the wood and fiber requirements of us and PCA in Louisiana. We are not the primary beneficiary of LTP as we do not have power to direct the activities that most significantly affect the economic performance of LTP. Accordingly, we do not consolidate LTP's results in our financial statements. Sales Related-party sales to LTP from our Wood Products segment in our Consolidated Statements of Operations were $2.6 million and $3.0 million, respectively, during the three months ended March 31, 2024 and 2023. These sales are recorded in "Sales" in our Consolidated Statements of Operations. Costs and Expenses Related-party wood fiber purchases from LTP were $19.8 million and $20.1 million, respectively, during the three months ended March 31, 2024 and 2023. These costs are recorded in "Materials, labor, and other operating expenses (excluding depreciation)" in our Consolidated Statements of Operations.

Segment Information

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Segment Information

Wood Products and BMD segment sales to external customers, including related parties, by product line, are as follows:


	Three Months Ended March 31
	2024		2023
	(millions)
Wood Products (a)
LVL (b)	$	12.6	$	7.4
I-joists (b)	6.7		4.7
Other engineered wood products (b)	8.1		7.4
Plywood and veneer	74.6		91.3
Lumber	15.2		23.6
Byproducts	17.1		24.3

Other	6.2		6.5
	140.4		165.1

Building Materials Distribution
Commodity	553.0		547.5
General line	616.9		533.6
Engineered wood products	335.1		298.1
	1,505.0		1,379.2
	$	1,645.4	$	1,544.3

___________________________________

(a) Amounts represent sales to external customers. Sales are calculated after intersegment sales eliminations to our BMD segment.

An analysis of our operations by segment is as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Net sales by segment
Wood Products	$	468,928	$	437,428
Building Materials Distribution	1,505,021		1,379,242
Intersegment eliminations (a)	(328,529)		(272,341)
Total net sales	$	1,645,420	$	1,544,329

Segment operating income
Wood Products	$	71,238	$	69,395
Building Materials Distribution	72,463		69,685
Total segment operating income	143,701		139,080
Unallocated corporate costs	(10,719)		(11,478)
Income from operations	$	132,982	$	127,602

___________________________________

(a) Primarily represents intersegment sales from our Wood Products segment to our BMD segment.

Commitments, Legal Proceedings and Contingencies, and Guarantees	3 Months Ended
	Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments, Legal Proceedings and Contingencies, and Guarantees	Commitments, Legal Proceedings and Contingencies, and Guarantees Commitments We are a party to a number of long-term log supply agreements that are discussed in Note 16, Commitments, Legal Proceedings and Contingencies, and Guarantees, of the Notes to Consolidated Financial Statements in "Item 8. Financial Statements and Supplementary Data" in our 2023 Form 10-K. In addition, we have purchase obligations for goods and services, capital expenditures, and raw materials entered into in the normal course of business. As of March 31, 2024, there have been no material changes to the above commitments disclosed in the 2023 Form 10-K. Legal Proceedings and Contingencies We are a party to legal proceedings that arise in the ordinary course of our business, including commercial liability claims, premises claims, environmental claims, and employment-related claims, among others. As of the date of this filing, we do not believe that we are party to any legal action that could reasonably be expected to have, individually or in the aggregate, a material adverse effect on our financial position, results of operations, or cash flows. Guarantees We provide guarantees, indemnifications, and assurances to others. Note 16, Commitments, Legal Proceedings and Contingencies, and Guarantees, of the Notes to Consolidated Financial Statements in "Item 8. Financial Statements and Supplementary Data" in our 2023 Form 10-K describes the nature of our guarantees, including the approximate terms of the guarantees, how the guarantees arose, the events or circumstances that would require us to perform under the guarantees, and the maximum potential undiscounted amounts of future payments we could be required to make. As of March 31, 2024, there have been no material changes to the guarantees disclosed in the 2023 Form 10-K.

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Pay vs Performance Disclosure
Net income	$ 104,124	$ 96,733

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Mar. 31, 2024
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Summary of Significant Accounting Policies (Policies)	3 Months Ended
Summary of Significant Accounting Policies (Policies)	Mar. 31, 2024
Accounting Policies [Abstract]
Use of Estimates	Use of Estimates The preparation of financial statements in conformity with generally accepted accounting principles (GAAP) requires management to make estimates and assumptions about future events. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities, and reported amounts of revenues and expenses. Such estimates include the valuation of accounts receivable, inventories, goodwill, intangible assets, and other long-lived assets; legal contingencies; guarantee obligations; indemnifications; assumptions used in retirement, medical, and workers' compensation benefits; assumptions used in the determination of right-of-use (ROU) assets and related lease liabilities; stock-based compensation; fair value measurements; income taxes; and vendor and customer rebates, among others. These estimates and assumptions are based on management's best estimates and judgment. Management evaluates its estimates and assumptions on an ongoing basis using historical experience and other factors, including the current economic environment, which management believes to be reasonable under the circumstances. We adjust such estimates and assumptions when facts and circumstances dictate. As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates. Changes in these estimates resulting from continuing changes in the economic environment will be reflected in the consolidated financial statements in future periods.
Revenue Recognition	Revenue Recognition Revenues are recognized when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. For revenue disaggregated by major product line for each reportable segment, see Note 12, Segment Information. Fees for shipping and handling charged to customers for sales transactions are included in "Sales" in our Consolidated Statements of Operations. When control over products has transferred to the customer, we have elected to recognize costs related to shipping and handling as fulfillment costs. For our Wood Products segment, costs related to shipping and handling are included in "Materials, labor, and other operating expenses (excluding depreciation)" in our Consolidated Statements of Operations. In our Wood Products segment, we view our shipping and handling costs as a cost of the manufacturing process and the movement of product to our end customers. For our BMD segment, costs related to shipping and handling of $59.0 million and $53.5 million for the three months ended March 31, 2024 and 2023, respectively, are included in "Selling and distribution expenses" in our Consolidated Statements of Operations. In our BMD segment, our activities relate to the purchase and resale of finished products, and excluding shipping and handling costs from "Materials, labor, and other operating expenses (excluding depreciation)" provides us a clearer view of our operating performance and the effectiveness of our sales and purchasing functions. Customer Rebates and Allowances and Cash Discounts Rebates are provided to our customers and our customers' customers based on the volume of their purchases, among other factors such as customer loyalty, conversion, and commitment, as well as temporary protection from price increases. We provide the rebates to increase the sell-through of our products. Rebates are generally estimated based on the expected amount to be paid and recorded as a decrease in "Sales." At March 31, 2024 and December 31, 2023, we had $90.1 million and $87.9 million, respectively, of rebates payable to our customers recorded in "Accrued liabilities, Other" on our Consolidated Balance Sheets. We also estimate expected cash discounts on trade accounts receivable based on an analysis of historical experience and record cash discounts as a decrease in "Sales." We adjust our estimate of revenue at the earlier of when the probability of rebates paid and cash discounts provided changes or when the amounts become fixed. There have not been significant changes to our estimates of rebates, although it is reasonably possible that a change in the estimate may occur.
Vendor Rebates and Allowances	Rebates and allowances received from our vendors are recognized as a reduction of "Materials, labor, and other operating expenses (excluding depreciation)" when the product is sold, unless the rebates and allowances are linked to a specific incremental cost to sell a vendor's product. Amounts received from vendors that are linked to specific selling and distribution expenses are recognized as a reduction of "Selling and distribution expenses" in the period the expense is incurred.
Leases	Leases We primarily lease land, building, and equipment under operating and finance leases. We determine if an arrangement is a lease at inception and assess lease classification as either operating or finance at lease inception or upon modification. Substantially all of our leases with initial terms greater than one year are for real estate, including distribution centers, corporate headquarters, land, and other office space. Substantially all of these lease agreements have fixed payment terms based on the passage of time and are recorded in our BMD segment. Many of our leases include fixed escalation clauses, renewal options and/or termination options that are factored into our determination of lease term and lease payments when appropriate. Renewal options generally range from one to ten years with fixed payment terms similar to those in the original lease agreements. Some lease agreements provide us with the option to purchase the leased property at market value. Our lease agreements do not contain any residual value guarantees. ROU assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. ROU assets and lease liabilities are recognized at the lease commencement date based on the estimated present value of fixed lease payments over the lease term. The current portion of our operating and finance lease liabilities are recorded in "Accrued liabilities, Other" on our Consolidated Balance Sheets. We use our estimated incremental borrowing rate, which is derived from information available at the lease commencement date, in determining the present value of lease payments. In determining our incremental borrowing rates, we give consideration to publicly available interest rates for instruments with similar characteristics, including credit rating, term, and collateralization. For purposes of determining straight-line rent expense, the lease term is calculated from the date we first take possession of the facility, including any periods of free rent and any renewal option periods we are reasonably certain of exercising. Variable lease expense generally includes reimbursement of actual costs for common area maintenance, property taxes, and insurance on leased real estate and are recorded as incurred. Most of our operating lease expense was recorded in "Selling and distribution expenses" in our Consolidated Statements of Operations. In addition, we do not separate lease and non-lease components for all of our leases. Our short-term leases primarily include equipment rentals with lease terms on a month-to-month basis, which provide for our seasonal needs and flexibility in the use of equipment. Our short-term leases also include certain real estate for which either party has the right to cancel upon providing notice of 30 to 90 days. We do not recognize ROU assets or lease liabilities for short-term leases.
Fair Value	Fair Value Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The fair value hierarchy under GAAP gives the highest priority to quoted market prices (Level 1) and the lowest priority to unobservable inputs (Level 3). In general, and where applicable, we use quoted prices in active markets for identical assets or liabilities to determine fair value (Level 1). If quoted prices in active markets for identical assets or liabilities are not available to determine fair value, we use quoted prices for similar assets and liabilities or inputs that are observable either directly or indirectly (Level 2). If quoted prices for identical or similar assets are not available or are unobservable, we may use internally developed valuation models, whose inputs include bid prices, and third-party valuations utilizing underlying asset assumptions (Level 3).
Financial Instruments	Financial Instruments Our financial instruments are cash and cash equivalents, accounts receivable, accounts payable, long-term debt, and an interest rate swap. Our cash is recorded at cost, which approximates fair value, and our cash equivalents are money market funds. As of March 31, 2024 and December 31, 2023, we held $829.8 million and $899.4 million, respectively, in money market funds that are measured at fair value on a recurring basis using Level 1 inputs. The recorded values of accounts receivable and accounts payable approximate fair values based on their short-term nature. At March 31, 2024 and December 31, 2023, the book value of our fixed-rate debt for each period was $400.0 million, and the fair value was estimated to be $370.0 million and $374.5 million, respectively. The difference between the book value and the fair value is derived from the difference between the period-end market interest rate and the stated rate of our fixed-rate, long-term debt. We estimated the fair value of our fixed-rate debt using quoted market prices of our debt in inactive markets (Level 2 inputs). The interest rate on our variable-rate debt is based on market conditions such as the Secured Overnight Financing Rate (SOFR) or a base rate. Because the interest rate on the variable-rate debt is based on current market conditions, we believe that the estimated fair value of the outstanding balance on our variable-rate debt approximates book value. As discussed below, we also have an interest rate swap to mitigate our variable interest rate exposure, the fair value of which is measured based on Level 2 inputs.
Interest Rate Risk and Interest Rate Swap	In accordance with our risk management strategy, we actively monitor our interest rate exposure and use derivative instruments from time to time to manage the related risk. We do not speculate using derivative instruments.
New and Recently Adopted Accounting Standards	New and Recently Adopted Accounting Standards In November 2023, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which enhances disclosures about significant segment expenses. The amendments in this ASU are effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024 on a retrospective basis. Early adoption is permitted. We are currently evaluating the impact of this ASU on our consolidated financial statements and associated disclosures. In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which enhances the transparency and decision usefulness of income tax disclosures, primarily related to the rate reconciliation and income taxes paid. The amendments in this ASU are effective for annual periods beginning after December 15, 2024 on a prospective basis. Early adoption is permitted. We are currently evaluating the impact of this ASU on our consolidated financial statements and associated disclosures. There were no other accounting standards recently issued that had or are expected to have a material impact on our consolidated financial statements and associated disclosures.
Reclassifications	Reclassifications Certain amounts in prior year's consolidated financial statements have been reclassified to conform with current year's presentation, none of which were considered material.
Acquisitions	We account for acquisition transactions in accordance with ASC 805, Business Combinations. Accordingly, the results of operations of the acquiree are included in our consolidated financial statements from the acquisition date. The consideration transferred is allocated to the identifiable assets acquired and liabilities assumed based on estimated fair values at the acquisition date, with any excess recorded as goodwill. Transaction-related costs are expensed in the period the costs are incurred. During the measurement period, which may be up to one year from the acquisition date, we may record adjustments to the assets acquired and liabilities assumed with the corresponding adjustment to goodwill.
Compensation Expense	Compensation Expense We record compensation expense over the awards' vesting period and account for share-based award forfeitures as they occur, rather than making estimates of future forfeitures. Any shares not vested are forfeited. We recognize compensation expense for stock awards with only service conditions on a straight-line basis over the requisite service period.

Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Schedule of Inventory

Inventories included the following (work in process is not material):


	March 31, 2024		December 31, 2023
	(thousands)
Finished goods and work in process	$	720,181	$	604,624
Logs	41,321		56,270
Other raw materials and supplies	53,094		51,475
	$	814,596	$	712,369

Schedule of Property and Equipment

Property and equipment consisted of the following asset classes:


	March 31, 2024		December 31, 2023
	(thousands)
Land	$	85,504	$	85,572
Buildings	338,741		338,230
Improvements	81,212		79,308
Mobile equipment, information technology, and office furniture	264,560		254,783
Machinery and equipment	1,046,019		1,037,135
Construction in progress	72,948		64,619
	1,888,984		1,859,647
Less: accumulated depreciation	(954,698)		(927,014)
	$	934,286	$	932,633

Net Income Per Common Share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income Per Common Share

The following table sets forth the computation of basic and diluted net income per common share:


	Three Months Ended March 31
	2024		2023
	(thousands, except per-share data)
Net income	$	104,124	$	96,733
Weighted average common shares outstanding during the period (for basic calculation)	39,608		39,593
Dilutive effect of other potential common shares	348		245
Weighted average common shares and potential common shares (for diluted calculation)	39,956		39,838

Net income per common share - Basic	$	2.63	$	2.44
Net income per common share - Diluted	$	2.61	$	2.43

Acquisitions (Tables)

3 Months Ended

Mar. 31, 2024

Business Combination and Asset Acquisition [Abstract]

Summary of Purchase Price Allocations


	Acquisition Date Fair Value
	(thousands)
Cash and cash equivalents	$	4,009
Accounts receivable	19,688
Inventories	36,000
Other current assets	159
Property and equipment	57,331
Other assets	508
Intangible assets:
Trade name	18,000
Customer relationships	29,000
Goodwill	32,296
Assets acquired	196,991

Accounts payable	2,144
Accrued liabilities	4,078
Deferred tax liabilities	20,121
Other long-term liabilities	478
Liabilities assumed	26,821

Net assets acquired	$	170,170

Consideration paid, net of cash acquired	$	166,161

Business Acquisition, Pro Forma Information


	Pro Forma
		Three Months Ended March 31
		2023
	(unaudited, thousands)
Sales		$	1,594,458
Net income		$	101,051

Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill by Segment

The carrying amount of our goodwill by segment is as follows:


	Building Materials Distribution		Wood Products		Total
	(thousands)



Balance at December 31, 2023 and March 31, 2024	$	44,088	$	126,166	$	170,254

Schedule of Indefinite-Lived Intangible Assets

Intangible assets consisted of the following:


	March 31, 2024
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(thousands)
Trade names and trademarks	$	27,600	$	(1,299)	$	26,301
Customer relationships	195,050		(35,515)		159,535
	$	222,650	$	(36,814)	$	185,836


	December 31, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(thousands)
Trade names and trademarks	$	27,600	$	(1,000)	$	26,600
Customer relationships	195,050		(30,907)		164,143
	$	222,650	$	(31,907)	$	190,743

Schedule of Finite-Lived Intangible Assets

Intangible assets consisted of the following:


	March 31, 2024
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(thousands)
Trade names and trademarks	$	27,600	$	(1,299)	$	26,301
Customer relationships	195,050		(35,515)		159,535
	$	222,650	$	(36,814)	$	185,836


	December 31, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(thousands)
Trade names and trademarks	$	27,600	$	(1,000)	$	26,600
Customer relationships	195,050		(30,907)		164,143
	$	222,650	$	(31,907)	$	190,743

Debt (Tables)

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt consisted of the following:


	March 31, 2024		December 31, 2023
	(thousands)
Asset-based revolving credit facility due 2027	$	—	$	—
Asset-based credit facility term loan due 2027	50,000		50,000

4.875% senior notes due 2030	400,000		400,000

Deferred financing costs	(4,498)		(4,720)
Long-term debt	$	445,502	$	445,280

Leases (Tables)

3 Months Ended

Mar. 31, 2024

Leases [Abstract]

Summary of Lease Expense Components

The components of lease expense were as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Operating lease cost	$	3,475	$	3,317
Finance lease cost
Amortization of right-of-use assets	617		618
Interest on lease liabilities	541		560
Variable lease cost	1,577		1,385
Short-term lease cost	1,464		1,551
Sublease income	(47)		(53)
Total lease cost	$	7,627	$	7,378

Schedule of Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases was as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	3,237	$	3,366
Operating cash flows from finance leases	536		560
Financing cash flows from finance leases	475		451
Right-of-use assets obtained in exchange for lease obligations
Operating leases	983		92
Finance leases	803		—

Schedule of Other Information Related to Leases

Other information related to leases was as follows:



	March 31, 2024		December 31, 2023

Weighted-average remaining lease term (years)
Operating leases	8		8
Finance leases	13		13
Weighted-average discount rate
Operating leases	6.2	%	6.2	%
Finance leases	7.5	%	7.6	%

Schedule of Minimum Lease Payment Requirements for Noncancelable Leases

As of March 31, 2024, our minimum lease payment requirements for noncancelable operating and finance leases are as follows:


	Operating Leases		Finance Leases
	(thousands)
Remainder of 2024	$	9,988	$	3,091
2025	13,360		3,834
2026	10,258		3,680
2027	9,491		3,748
2028	7,426		3,496
Thereafter	33,833		30,359
Total future minimum lease payments	84,356		48,208
Less: interest	(19,450)		(17,848)
Total lease obligations	64,906		30,360
Less: current obligations	(10,056)		(2,013)
Long-term lease obligations	$	54,850	$	28,347

Schedule of Minimum Lease Payment Requirements for Noncancelable Leases

As of March 31, 2024, our minimum lease payment requirements for noncancelable operating and finance leases are as follows:


	Operating Leases		Finance Leases
	(thousands)
Remainder of 2024	$	9,988	$	3,091
2025	13,360		3,834
2026	10,258		3,680
2027	9,491		3,748
2028	7,426		3,496
Thereafter	33,833		30,359
Total future minimum lease payments	84,356		48,208
Less: interest	(19,450)		(17,848)
Total lease obligations	64,906		30,360
Less: current obligations	(10,056)		(2,013)
Long-term lease obligations	$	54,850	$	28,347

Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Activity of PSU and RSU Awards

The following summarizes the activity of our PSUs and RSUs awarded under our incentive plan for the three months ended March 31, 2024:


	PSUs			RSUs
	Number of shares	Weighted Average Grant-Date Fair Value		Number of shares	Weighted Average Grant-Date Fair Value
Outstanding, December 31, 2023	287,106	$	66.51	178,511	$	70.13
Granted	60,207	137.79		71,168	137.79
Performance condition adjustment (a)	91,227	69.33		—	—
Vested	(130,296)	56.53		(95,296)	68.26
Forfeited	(8,924)	72.08		(5,234)	71.90
Outstanding, March 31, 2024	299,320	$	85.89	149,149	$	103.54

_______________________________

(a) Represents additional PSUs granted during the three months ended March 31, 2024, related to above-target achievement of the 2023

performance condition described above.

Total Stock-based Compensation Recognized From PSUs & RSUs

Total stock-based compensation recognized from PSUs and RSUs, net of forfeitures, was as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
PSUs	$	2,277	$	1,814
RSUs	1,828		1,510

Total	$	4,105	$	3,324

Segment Information (Tables)

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Schedule of Segment Sales to External Customers

Wood Products and BMD segment sales to external customers, including related parties, by product line, are as follows:


	Three Months Ended March 31
	2024		2023
	(millions)
Wood Products (a)
LVL (b)	$	12.6	$	7.4
I-joists (b)	6.7		4.7
Other engineered wood products (b)	8.1		7.4
Plywood and veneer	74.6		91.3
Lumber	15.2		23.6
Byproducts	17.1		24.3

Other	6.2		6.5
	140.4		165.1

Building Materials Distribution
Commodity	553.0		547.5
General line	616.9		533.6
Engineered wood products	335.1		298.1
	1,505.0		1,379.2
	$	1,645.4	$	1,544.3

___________________________________

(a) Amounts represent sales to external customers. Sales are calculated after intersegment sales eliminations to our BMD segment.

Schedule of Analysis of Operations by Segment

An analysis of our operations by segment is as follows:


	Three Months Ended March 31
	2024		2023
	(thousands)
Net sales by segment
Wood Products	$	468,928	$	437,428
Building Materials Distribution	1,505,021		1,379,242
Intersegment eliminations (a)	(328,529)		(272,341)
Total net sales	$	1,645,420	$	1,544,329

Segment operating income
Wood Products	$	71,238	$	69,395
Building Materials Distribution	72,463		69,685
Total segment operating income	143,701		139,080
Unallocated corporate costs	(10,719)		(11,478)
Income from operations	$	132,982	$	127,602

___________________________________

(a) Primarily represents intersegment sales from our Wood Products segment to our BMD segment.

Nature of Operations and Consolidation (Details)	3 Months Ended
Nature of Operations and Consolidation (Details)	Mar. 31, 2024 segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reportable segments	2

Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Revenue from External Customer [Line Items]
Customer rebates and allowances	$ 90.1		$ 87.9
Building Materials Distribution \| Shipping and Handling
Revenue from External Customer [Line Items]
Cost of goods and services sold	$ 59.0	$ 53.5

Summary of Significant Accounting Policies- Vendor Rebates and Allowances (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Accounting Policies [Abstract]
Vendor rebates and allowances	$ 10.3	$ 17.4

Summary of Significant Accounting Policies - Leases (Details)	3 Months Ended
	Mar. 31, 2024
Lessee, Lease, Description [Line Items]
Minimum initial term of real estate leases	1 year
Cancellation notice, latest notice	30 days
Cancellation notice, earliest notice	90 days
Minimum
Lessee, Lease, Description [Line Items]
Renewal term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Renewal term	10 years

Summary of Significant Accounting Policies - Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounting Policies [Abstract]
Finished goods and work in process	$ 720,181	$ 604,624
Logs	41,321	56,270
Other raw materials and supplies	53,094	51,475
Total inventory	$ 814,596	$ 712,369

Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,888,984	$ 1,859,647
Less: accumulated depreciation	(954,698)	(927,014)
Property and equipment, net	934,286	932,633
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	85,504	85,572
Buildings
Property, Plant and Equipment [Line Items]
Property and equipment, gross	338,741	338,230
Improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	81,212	79,308
Mobile equipment, information technology, and office furniture
Property, Plant and Equipment [Line Items]
Property and equipment, gross	264,560	254,783
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,046,019	1,037,135
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 72,948	$ 64,619

Summary of Significant Accounting Policies - Financial Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Reported Value Measurement \| 4.875% senior notes due 2030
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed-rate debt	$ 400.0	$ 400.0
Level 2 \| Estimate of Fair Value Measurement \| 4.875% senior notes due 2030
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed-rate debt	370.0	374.5
Money Market Funds \| Fair Value, Recurring \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents, fair value	$ 829.8	$ 899.4

Summary of Significant Accounting Policies - Interest Rate Risk and Interest Rate Swap (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) derivative	Dec. 31, 2023 USD ($)	Feb. 28, 2022 USD ($)
Interest Rate Derivatives [Line Items]
Long-term debt	$ 445,502	$ 445,280
Interest Rate Swap
Interest Rate Derivatives [Line Items]
Number of derivative instruments \| derivative	1
Interest Rate Swap \| Not Designated as Hedging Instrument \| Level 2 \| Other assets
Interest Rate Derivatives [Line Items]
Fair value of interest rate swap agreements, asset	$ 2,700	$ 3,000
Interest Rate Swap - $50 million notional amount fixed at 0.41% \| Not Designated as Hedging Instrument
Interest Rate Derivatives [Line Items]
Interest rate swaps, notional amount			$ 50,000
Interest rate swaps, fixed interest rate			0.41%
Asset-based credit facility term loan due 2027
Interest Rate Derivatives [Line Items]
Long-term debt	$ 50,000
Asset-based credit facility term loan due 2027 \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Interest Rate Derivatives [Line Items]
Credit spread adjustment on variable rate	0.10%
Asset-based credit facility term loan due 2027 \| Term Secured Overnight Financing Rate (SOFR)
Interest Rate Derivatives [Line Items]
Credit spread adjustment on variable rate	0.10%

Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) - Accounts Receivable - Credit Concentration Risk	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Customer One
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	19.00%
Customer Two
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%	13.00%

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Income Tax Disclosure [Abstract]
Income tax provision	$ 32,829	$ 33,275
Effective income tax rate (as a percent)	24.00%	25.60%
Income taxes paid, net	$ 1,900	$ 1,200

Net Income Per Common Share - Computation of Basic and Diluted Net Income Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net income	$ 104,124	$ 96,733
Computation of basic and diluted net income per common share
Weighted average common shares outstanding during the period (for basic calculation) (in shares)	39,608	39,593
Dilutive effect of other potential common shares (in shares)	348	245
Weighted average common shares and potential common shares (for diluted calculation) (in shares)	39,956	39,838
Net income per common share - Basic (in dollars per share)	$ 2.63	$ 2.44
Net income per common share - Diluted (in dollars per share)	$ 2.61	$ 2.43

Net Income Per Common Share - Narrative (Details) - shares shares in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Stock awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive stock awards (in shares)	0.0	0.0

Acquisitions - Narrative (Details) - Brockway-Smith Company Acquisition $ in Millions	Oct. 02, 2023 USD ($)
Business Combination [Line Items]
Purchase price of acquisitions	$ 166.2
Post-closing adjustment	$ 3.4

Acquisitions - Summary of Allocations of Purchase Price (Details) - USD ($) $ in Thousands	Oct. 02, 2023	Mar. 31, 2024	Dec. 31, 2023
Business Combination [Line Items]
Goodwill		$ 170,254	$ 170,254
Brockway-Smith Company
Business Combination [Line Items]
Cash and cash equivalents	$ 4,009
Accounts receivable	19,688
Inventories	36,000
Other current assets	159
Property and equipment	57,331
Other assets	508
Goodwill	32,296
Assets acquired	196,991
Accounts payable	2,144
Accrued liabilities	4,078
Deferred tax liabilities	20,121
Other long-term liabilities	478
Liabilities assumed	26,821
Net assets acquired	170,170
Purchase price of acquisitions	166,161
Brockway-Smith Company \| Trade names and trademarks
Business Combination [Line Items]
Intangible assets	18,000
Brockway-Smith Company \| Customer relationships
Business Combination [Line Items]
Intangible assets	$ 29,000

Acquisitions - Pro Forma Financial Information (Details) - Brockway-Smith Company $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Business Combination [Line Items]
Sales	$ 1,594,458
Net income	$ 101,051

Goodwill and Intangible Assets - Schedule of Goodwill by Segment (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Goodwill [Line Items]
Balance at beginning period	$ 170,254
Balance at period end	170,254
Building Materials Distribution
Goodwill [Line Items]
Balance at beginning period	44,088
Balance at period end	44,088
Wood Products
Goodwill [Line Items]
Balance at beginning period	126,166
Balance at period end	$ 126,166

Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 4.9	$ 4.3
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Carrying amount	$ 8.9

Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Indefinite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (36,814)	$ (31,907)
Net Carrying Amount	185,836	190,743
Gross Carrying Amount	222,650	222,650
Trade names and trademarks
Indefinite-Lived Intangible Assets [Line Items]
Accumulated Amortization	(1,299)	(1,000)
Customer relationships
Indefinite-Lived Intangible Assets [Line Items]
Accumulated Amortization	(35,515)	(30,907)
Gross Carrying Amount	195,050	195,050
Net Carrying Amount	159,535	164,143
Trade names and trademarks
Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	27,600	27,600
Net Carrying Amount	$ 26,301	$ 26,600

Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Jul. 27, 2020
Debt Instrument [Line Items]
Deferred financing costs	$ (4,498)	$ (4,720)
Long-term debt	445,502	445,280
Asset-based revolving credit facility due 2027
Debt Instrument [Line Items]
Long-term debt, gross	0	0
Asset-based credit facility term loan due 2027
Debt Instrument [Line Items]
Long-term debt, gross	50,000	50,000
Long-term debt	50,000
4.875% senior notes due 2030
Debt Instrument [Line Items]
Long-term debt, gross	$ 400,000	$ 400,000
4.875% senior notes due 2030 \| Senior Notes
Debt Instrument [Line Items]
Interest rate			4.875%

Debt - Asset-Based Credit Facility (Details) $ in Millions	3 Months Ended
Debt - Asset-Based Credit Facility (Details) $ in Millions	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 09, 2022 USD ($)	Jul. 27, 2020 USD ($)
Asset-based revolving credit facility due 2027
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 400.0
Commitment fee rate	0.20%
Borrowings outstanding	$ 0.0	$ 0.0
Letters of credit outstanding	$ 4.3	$ 4.1
Asset-based revolving credit facility due 2027 \| Term Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Credit spread adjustment on variable rate	0.10%
Asset-based revolving credit facility due 2027 \| Minimum \| Term Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	1.25%
Asset-based revolving credit facility due 2027 \| Minimum \| Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	0.25%
Asset-based revolving credit facility due 2027 \| Maximum \| Term Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	1.50%
Asset-based revolving credit facility due 2027 \| Maximum \| Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	0.50%
Asset-based credit facility term loan due 2027
Line of Credit Facility [Line Items]
Face amount			$ 50.0
Average interest rate	7.18%
Effective average net interest rate	6.20%
Asset-based credit facility term loan due 2027 \| Term Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Credit spread adjustment on variable rate	0.10%
Asset-based credit facility term loan due 2027 \| Minimum \| Term Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	1.75%
Asset-based credit facility term loan due 2027 \| Minimum \| Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	0.75%
Asset-based credit facility term loan due 2027 \| Maximum \| Term Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	2.00%
Asset-based credit facility term loan due 2027 \| Maximum \| Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	1.00%
4.875% senior notes due 2030 \| Senior Notes
Line of Credit Facility [Line Items]
Face amount				$ 400.0
Interest rate				4.875%
Asset Based Credit Facility
Line of Credit Facility [Line Items]
Fixed charge coverage ratio requirement, if availability falls below 10% of line cap	1
Threshold of availability as a percentage of line cap, below which 1:1 fixed charge coverage ratio must be met	0.10
Threshold of availability, below which 1:1 fixed charge coverage ratio must be met	$ 35.0
Current availability	$ 395.7
Dividend restriction, single threshold, percentage of line cap	0.20
Dividend restriction, single threshold, amount	$ 75.0
Dividend restriction, combination thresholds, percentage of line cap	0.15
Dividend restriction, combination thresholds, amount	$ 55.0
Dividend restriction, combination thresholds, fixed-charge coverage ratio	1

Debt - 2030 Notes (Details) - 4.875% senior notes due 2030 - Senior Notes $ in Millions	3 Months Ended
	Mar. 31, 2024	Jul. 27, 2020 USD ($)
Debt Instrument [Line Items]
Face amount		$ 400
Interest rate		4.875%
Dividend restriction, interest coverage ratio	3.5

Debt - Cash Paid for Interest (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Debt Disclosure [Abstract]
Interest paid	$ 10.0	$ 10.4

Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Lease, Cost [Abstract]
Operating lease cost	$ 3,475	$ 3,317
Finance lease cost
Amortization of right-of-use assets	617	618
Interest on lease liabilities	541	560
Variable lease cost	1,577	1,385
Short-term lease cost	1,464	1,551
Sublease income	(47)	(53)
Total lease cost	$ 7,627	$ 7,378

Leases - Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 3,237	$ 3,366
Operating cash flows from finance leases	536	560
Financing cash flows from finance leases	475	451
Right-of-use assets obtained in exchange for lease obligations
Operating leases	983	92
Finance leases	$ 803	$ 0

Leases - Other Information Related to Leases (Details)	Mar. 31, 2024	Dec. 31, 2023
Weighted-average remaining lease term (years)
Operating leases	8 years	8 years
Finance leases	13 years	13 years
Weighted-average discount rate
Operating leases	6.20%	6.20%
Finance leases	7.50%	7.60%

Leases - Minimum Lease Payment Requirements (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Operating Leases
Remainder of 2024	$ 9,988
2025	13,360
2026	10,258
2027	9,491
2028	7,426
Thereafter	33,833
Total future minimum lease payments	84,356
Less: interest	(19,450)
Total lease obligations	64,906
Less: current obligations	(10,056)
Long-term lease obligations	54,850	$ 56,425
Finance Leases
Remainder of 2024	3,091
2025	3,834
2026	3,680
2027	3,748
2028	3,496
Thereafter	30,359
Total future minimum lease payments	48,208
Less: interest	(17,848)
Total lease obligations	30,360
Less: current obligations	(2,013)
Long-term lease obligations	$ 28,347	$ 28,084

Stock-Based Compensation - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended	12 Months Ended
	Mar. 31, 2024 USD ($) stockAward tranche shares	Mar. 31, 2023 USD ($) stockAward shares	Jun. 30, 2023	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of types of awards granted \| stockAward	2	2
Fair market value of awards \| $	$ 31.1	$ 16.8
Tax benefit from compensation expense \| $	1.0	$ 0.9
Unrecognized compensation expense \| $	$ 32.5
Unrecognized compensation, period for recognition	2 years 2 months 12 days
PSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)	60,207
RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)	71,168
Officers and other employees \| PSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)	60,207	93,282
Performance period		1 year
Officers and other employees \| RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of equal tranches for annual vesting \| tranche	3
Officer \| PSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period	3 years
Performance shares target percentage earned, officers				2
Officer \| PSUs \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance shares that could be awarded as a percentage of ROIC target amount	0
Officer \| PSUs \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance shares that could be awarded as a percentage of ROIC target amount	2
Other employees \| PSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance period	1 year
Performance shares target percentage earned, other employees			2
Number of equal tranches for annual vesting \| tranche	3
Other employees \| PSUs \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Shares that could be awarded, as a percentage of EBITDA target amount	0
Other employees \| PSUs \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Shares that could be awarded, as a percentage of EBITDA target amount	2
Officers and Other Employees and Nonemployment directors \| RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)	71,168	115,060
Nonemployee Directors \| RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period	1 year

Stock-Based Compensation - Summary of PSU and RSU Activity (Details)	3 Months Ended
	Mar. 31, 2024 $ / shares shares
PSUs
Number of shares
Outstanding at beginning of the period (in shares) \| shares	287,106
Granted (in shares) \| shares	60,207
Performance condition adjustment (in shares) \| shares	91,227
Vested (in shares) \| shares	(130,296)
Forfeited (in shares) \| shares	(8,924)
Outstanding at period end (in shares) \| shares	299,320
Weighted Average Grant-Date Fair Value
Outstanding at beginning of the period (in dollars per share) \| $ / shares	$ 66.51
Granted (in dollars per share) \| $ / shares	137.79
Performance condition adjustment (in dollars per share) \| $ / shares	69.33
Vested (in dollars per share) \| $ / shares	56.53
Forfeited (in dollars per share) \| $ / shares	72.08
Outstanding at period end (in dollars per share) \| $ / shares	$ 85.89
RSUs
Number of shares
Outstanding at beginning of the period (in shares) \| shares	178,511
Granted (in shares) \| shares	71,168
Performance condition adjustment (in shares) \| shares	0
Vested (in shares) \| shares	(95,296)
Forfeited (in shares) \| shares	(5,234)
Outstanding at period end (in shares) \| shares	149,149
Weighted Average Grant-Date Fair Value
Outstanding at beginning of the period (in dollars per share) \| $ / shares	$ 70.13
Granted (in dollars per share) \| $ / shares	137.79
Performance condition adjustment (in dollars per share) \| $ / shares	0
Vested (in dollars per share) \| $ / shares	68.26
Forfeited (in dollars per share) \| $ / shares	71.90
Outstanding at period end (in dollars per share) \| $ / shares	$ 103.54

Stock-Based Compensation - Total Stock-based Compensation Recognized From PSUs & RSUs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 4,105	$ 3,324
PSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	2,277	1,814
RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 1,828	$ 1,510

Stockholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		12 Months Ended
	May 02, 2024	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Jul. 28, 2022
Equity, Class of Treasury Stock [Line Items]
Dividends declared per common share (in dollars per share)		$ 0.20	$ 0.15
Treasury stock repurchased		$ 26,971	$ 1,482
Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Additional shares authorized for repurchase (in shares)					1,500,000
Treasury stock purchased (in shares)		205,938		24,727
Treasury stock repurchased		$ 27,000		$ 1,500
Average cost per share (in dollars per share)		$ 130.97		$ 59.91
Remaining number of shares authorized to be repurchased (in shares)		1,715,373
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Dividends declared per common share (in dollars per share)	$ 0.20

Transactions With Related Party - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Related Party Transaction [Line Items]
Sales	$ 1,645,420	$ 1,544,329
Unconsolidated variable interest entity
Related Party Transaction [Line Items]
Sales	2,600	3,000
Cost of sales from related party	$ 19,800	$ 20,100
Louisiana Timber Procurement Company LLC \| Unconsolidated variable interest entity
Related Party Transaction [Line Items]
Variable interest entity, ownership percentage	50.00%
Louisiana Timber Procurement Company LLC \| Packaging Corporation of America (PCA) \| Variable Interest Entity, Primary Beneficiary
Related Party Transaction [Line Items]
Variable interest entity, ownership percentage	50.00%

Segment Information - Narrative (Details)	3 Months Ended
Segment Information - Narrative (Details)	Mar. 31, 2024 segment
Segment Reporting [Abstract]
Number of reportable segments	2

Segment Information - Segment Sales to External Customers by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Sales to external customer [Line Items]
Sales	$ 1,645,420	$ 1,544,329
Wood Products
Sales to external customer [Line Items]
Sales	$ 140,400	$ 165,100
Intersegment EWP sales volumes as percentage to total EWP sales volumes	77.00%	79.00%
Wood Products \| LVL
Sales to external customer [Line Items]
Sales	$ 12,600	$ 7,400
Wood Products \| I-joists
Sales to external customer [Line Items]
Sales	6,700	4,700
Wood Products \| Other engineered wood products
Sales to external customer [Line Items]
Sales	8,100	7,400
Wood Products \| Plywood and veneer
Sales to external customer [Line Items]
Sales	74,600	91,300
Wood Products \| Lumber
Sales to external customer [Line Items]
Sales	15,200	23,600
Wood Products \| Byproducts
Sales to external customer [Line Items]
Sales	17,100	24,300
Wood Products \| Other
Sales to external customer [Line Items]
Sales	6,200	6,500
Building Materials Distribution
Sales to external customer [Line Items]
Sales	1,505,000	1,379,200
Building Materials Distribution \| Commodity
Sales to external customer [Line Items]
Sales	553,000	547,500
Building Materials Distribution \| General line
Sales to external customer [Line Items]
Sales	616,900	533,600
Building Materials Distribution \| Engineered wood products
Sales to external customer [Line Items]
Sales	$ 335,100	$ 298,100

Segment Information - Analysis of Operations by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Total net sales	$ 1,645,420	$ 1,544,329
Income from operations	132,982	127,602
Operating Segments
Segment Reporting Information [Line Items]
Income from operations	143,701	139,080
Intersegment Eliminations
Segment Reporting Information [Line Items]
Total net sales	(328,529)	(272,341)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Income from operations	(10,719)	(11,478)
Wood Products
Segment Reporting Information [Line Items]
Total net sales	140,400	165,100
Wood Products \| Operating Segments
Segment Reporting Information [Line Items]
Total net sales	468,928	437,428
Income from operations	71,238	69,395
Building Materials Distribution
Segment Reporting Information [Line Items]
Total net sales	1,505,000	1,379,200
Building Materials Distribution \| Operating Segments
Segment Reporting Information [Line Items]
Total net sales	1,505,021	1,379,242
Income from operations	$ 72,463	$ 69,685

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