HP Helmerich and Payne Inc

Your Vote Counts! *Please check the meeting materials for any special requirements for meeting attendance. You can also vote by mail by requesting a paper copy of the materials, which will include a proxy card. Smartphone users Point your camera here and vote without entering a control number For complete information and to vote, visit www.ProxyVote.com Control # V60603-P21886 HELMERICH & PAYNE, INC. 222 N. DETROIT AVENUE TULSA, OK 74120 HELMERICH & PAYNE, INC. 2025 Annual Meeting Location: Meeting live via the Internet at www.virtualshareholdermeeting.com/HP2025 Vote by March 4, 2025 11:59 PM ET. For shares held in an employee benefit plan, vote by March 2, 2025 11:59 PM ET. You invested in HELMERICH & PAYNE, INC. and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the stockholder meeting to be held on March 5, 2025. Get informed before you vote View the Notice and Proxy Statement and Annual Report online at www.ProxyVote.com OR you can receive a free paper or email copy of the material(s) by requesting prior to February 19, 2025. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. Vote Virtually at the Meeting* March 5, 2025 12:00 p.m., Central Time Virtually at: www.virtualshareholdermeeting.com/HP2025 The company will be hosting the meeting virtually via the Internet this year. To attend the meeting go to www.virtualshareholdermeeting.com/HP2025. Have the control number that is printed above available and follow the instructions.

THIS IS NOT A VOTABLE BALLOT This is not a form for voting and presents only an overview of the more complete proxy materials, which contain important information and are available on the Internet or by mail. Please follow the instructions on the reverse side to vote these important matters. We encourage you to access and review all of the important information contained in the proxy materials before voting. Vote at www.ProxyVote.com Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”. Voting Items Board Recommends V60604-P21886 1. Election of Directors 1a. Delaney M. Bellinger For 1b. Belgacem Chariag For 1c. Kevin G. Cramton For 1d. Randy A. Foutch For 1e. Hans Helmerich For 1f. Elizabeth R. Killinger For 1g. John W. Lindsay For 1h. José R. Mas For 1i. Donald F. Robillard, Jr. For 1j. John D. Zeglis For 2. Ratification of Ernst & Young LLP as Helmerich & Payne, Inc.’s independent auditors for 2025. For 3. Advisory vote on executive compensation. For NOTE: Such other business as may properly come before the meeting or any adjournment or postponement thereof.