This Amendment No. 1 (this “Amendment”) amends and supplements the Tender Offer
Statement on Schedule TO filed by Chicago Merger Sub, Inc. a New York corporation (“Merger Sub”), a wholly owned subsidiary of Cegeka Groep NV, a Belgian limited liability company (“Parent” or
“Cegeka”) with the U.S. Securities and Exchange Commission on August 23, 2023 (together with any subsequent amendments and supplements thereto, the “Schedule TO”). The Schedule TO relates to the
offer by Merger Sub to purchase all of the outstanding shares of common stock, par value $0.01 per share (“Shares”), of Computer Task Group, Incorporated, a New York corporation (the “Company” or
“CTG”), at a price of $10.50 per Share, net to the seller in cash, without interest and less any applicable withholding taxes, upon the terms and subject to the conditions set forth in the offer to purchase dated
August 23, 2023 (the “Offer to Purchase”) and in the accompanying Letter of Transmittal, which are annexed to and filed with the Schedule TO as Exhibits (a)(1)(A) and (a)(1)(B), respectively, which, as each may be
amended or supplemented from time to time, collectively constitute the “Offer.” This Amendment is being filed on behalf of Merger Sub and Parent. Unless otherwise indicated, references to sections in the Schedule TO are
references to sections of the Offer to Purchase.
Except as otherwise set forth in this Amendment, the information set forth in the Schedule TO remains
unchanged. Capitalized terms used but not defined herein have the meaning ascribed to them in the Schedule TO.
Items 1 through 9 and Item 11.
The Offer to Purchase and Items 1 through 9 and Item 11 of the Schedule TO, to the extent such Items incorporate by reference the information contained in the
Offer to Purchase, are hereby amended and supplemented as set forth below:
The information set forth under Section 16 — “Certain Legal
Matters; Regulatory Approvals” of the Offer to Purchase is amended and supplemented by adding at the end of this section the following subsection:
“Legal Proceedings Relating to the Offer
On
August 28, 2023, an alleged shareholder of the Company, Michael Floyd, filed a complaint in the Supreme Court of the State of New York, County of Erie, captioned Floyd v. Computer Task Group, Incorporated, et al., Index
No. 810903/2023, against the Company and the members of the CTG Board. In his complaint, Mr. Floyd alleges that the members of the CTG Board breached their fiduciary duties in connection with the CTG Board’s efforts to sell the
Company to Cegeka and that they were aided and abetted by the Company. He further alleges in his complaint that the Company and the members of the CTG Board breached their fiduciary duties by misstating or omitting certain material information in
the Schedule 14D-9 in connection with the Offer. On August 29, 2023, the court entered an ex parte order requiring the Company and the CTG Board to show cause at or before a hearing to be held on
September 14, 2023 why the court should not enter an order prohibiting the Company from consummating the Transactions. The order also required Mr. Floyd to serve the complaint, the order to show cause, and the supporting papers on the
Company and the other defendants by September 5, 2023 and established a schedule for the Company and the other defendants to submit papers in opposition to Mr. Floyd’s motion.
On August 30, 2023, an alleged shareholder of the Company, Ryan O’Dell, filed a complaint in the United States District Court for the Southern
District of New York, captioned O’Dell v. Computer Task Group, Incorporated, et al., Case No. 1:23-cv-07712, against the Company and the members of the CTG
Board. In his complaint, Mr. O’Dell alleged that the Company and members of the CTG Board violated Sections 14(d) (and Rule 14(d)(9) promulgated thereunder) and 14(e) of the Exchange Act, and the members of the CTG Board violated
Section 20(a) of the Exchange Act, by, among other things, allegedly misstating or omitting certain material information in the Schedule 14D-9 in connection with the Offer.
Also on August 30, 2023, an alleged shareholder of the Company, Ephraim Wieder, filed a complaint in the United States District Court for the Southern
District of New York, captioned Wieder v. Computer Task Group, Incorporated, et al., Case No. 1:23-cv-07732, against the Company and the members of the CTG Board.
In his complaint, Mr. Wieder alleged that the Company and members of the CTG Board violated Sections 14(d) (and Rule 14(d)(9) promulgated thereunder) and 14(e) of the Exchange Act, and the members of the CTG Board violated Section 20(a) of
the Exchange Act, by, among other things, allegedly misstating or omitting certain material information in the Schedule 14D-9 in connection with the Offer.