Company: SMNR
Filing Date: 2025-08-13
Form Type: 424B3
Source: 0001193125-25-179226
Chunk: 985

Company: Semnur Pharmaceuticals, Inc.
Filing Date: 2025-08-13
Form: 424B3
Chunk 985
---
,
Parent, Denali Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of Parent (“”), and the Company have entered into an Agreement and Plan of Merger (as may be amended, restated, supplemented or otherwise
modified from time to time in accordance with its terms, the “”), dated as of the date hereof;

WHEREAS, upon the terms and subject to the conditions set forth therein and in accordance with the applicable provisions of the DGCL,
following the Domestication, Merger Sub will merge with and into the Company (the “”), and the Company will continue as the surviving company in the Merger; and

WHEREAS, in order to induce the Company to enter into the Merger Agreement and to consummate the transactions contemplated therein, each
Sponsor is executing and delivering this Support Agreement to the Company.

NOW, THEREFORE, in consideration of the foregoing and of the
mutual covenants and agreements contained herein, and intending to be legally bound hereby, the parties hereby agree as follows:

ARTICLE I

SPONSOR SUPPORT AGREEMENT; COVENANTS

Section 1.1 . 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 . 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 “”), 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