Company: WHWK
Filing Date: 2025-01-31
Form Type: DEFM14A
Source: 0001193125-25-018470
Chunk: 540

Company: Whitehawk Therapeutics, Inc.
Filing Date: 2025-01-31
Form: DEFM14A
Chunk 540
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submitted to a vote of the Seller Stockholders; (v) approved the execution and delivery of the Support Agreements; and (vi) recommended that the Seller Stockholders vote in favor of and authorize the approval of this Agreement and the
approval of the Stock Purchase.

C. The board of directors of the Company has declared it advisable to enter into this Agreement
and approved the execution and delivery of this Agreement, the performance of its covenants and other obligations under this Agreement, and the consummation of the Stock Purchase, upon the terms and subject to the conditions set forth in this
Agreement.

D. The board of directors of Purchaser has declared it advisable to enter into this Agreement and approved the execution
and delivery of this Agreement, the performance of its covenants and other obligations under this Agreement, and the consummation of the Stock Purchase upon the terms and subject to the conditions set forth in this Agreement.

E. Concurrently with the execution and delivery of this Agreement, and as a condition and inducement to Purchaser’s willingness to enter
into this Agreement, each of the directors and executive officers of Seller and certain of their Affiliates, and certain other significant Seller Stockholders are entering into Voting and Support Agreements (collectively, the “Support Agreements”), pursuant to which the Seller Stockholders party thereto, among other things, agree to vote their shares in favor of the approval of this Agreement and the Stock Purchase.

F. Concurrently with the execution and delivery of this Agreement, and as a condition and inducement to Purchaser’s willingness to enter
into this Agreement, certain members of the executive team of Seller and the Company, are entering into Restrictive Covenant Agreements in favor of the Company and Purchaser (the “Restrictive Covenant Agreements”) to be effective
immediately as of the Closing.

G. Prior to or contemporaneously with the execution and delivery of this Agreement, Purchaser has obtained
a “buyer-side” representations and warranties insurance policy in the form attached hereto as to this Agreement (the “RWI Policy”).

A-1

In consideration of the mutual promises set forth in this Agreement and for other good and
valuable consideration, the receipt and adequacy of which are hereby acknowledged, and intending to be legally bound, the Parties hereby agree as follows:

AGREEMENT

ARTICLE I

DEFINITIONS & INTERPRETATIONS

1.1 Certain Definitions. For all purposes of this Agreement, the following capitalized