Company: SMNR
Filing Date: 2025-08-12
Form Type: S-4/A
Source: 0001193125-25-178821
Chunk: 1018

Company: Semnur Pharmaceuticals, Inc.
Filing Date: 2025-08-12
Form: S-4/A
Chunk 1018
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 and agreements contained herein, and intending to be legally bound hereby, the parties hereby agree as follows:

<div align='center'>**ARTICLE I

SPONSOR SUPPORT AGREEMENT; COVENANTS**</div>

Section 1.1 Binding Effect of Merger Agreement. Each Sponsor hereby acknowledges that it has read the Merger Agreement and this Support Agreement and has had the opportunity to consult with its tax and legal advisors. Each Sponsor agrees not to, directly or indirectly, take any action, or authorize or knowingly permit any of its Affiliates or representatives to take any action on its behalf, that would be a breach of Sections 7.3 (Alternative Transactions) or 10.5 (Publicity) of the Merger Agreement if such action were taken by Parent.

Section 1.2 No Transfer. During the period commencing on the date hereof and ending on the earlier of (a) the Effective Time and (b) such date and time as the Merger Agreement shall be terminated in accordance with Article IX thereof (the earlier of clauses (a) and (b), the “Expiration Time”), each Sponsor shall not (i) sell, offer to sell, contract or agree to sell, hypothecate, pledge, grant any option to purchase or otherwise dispose of or agree to dispose of, directly or indirectly, file (or participate in the filing of) a registration statement with the SEC (other than the Registration Statement) or establish or increase a put equivalent position or liquidate or decrease a call equivalent position within the meaning of Section 16 of the Exchange Act, with respect to any Parent Ordinary Shares, Parent Warrants or any other shares of capital stock or warrants of Parent that such Sponsor is the holder of record and the “beneficial owner” (within the meaning of Rule 13d-3 under the Exchange Act) to which such Sponsor has voting rights (collectively, “Subject Securities”), (ii) enter into any

<div align='center'>D-1</div>

swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of any Subject Securities, or (iii) publicly announce any intention to effect any transaction specified in clause (i) or (ii).

Section 1.3 New Securities. In the event that, including as a result of the Domestication, (a) any Parent Ordinary Shares, Parent Warrants, or other equity securities of Parent are issued to a Sponsor after the date of this Support Agreement pursuant to any