TANG CAPITAL ACQUISITION CORP.

Exhibit 4.1 SPECIMEN ORDINARY SHARE CERTIFICATE NUMBER SHARES TANG CAPITAL ACQUISITION CORP. INCORPORATED UNDER THE LAWS OF THE CAYMAN ISLANDS ORDINARY SHARES SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP G8675H 102 This Certifies that is the owner of FULLY PAID AND NON-ASSESSABLE ORDINARY SHARES OF THE PAR VALUE OF US $0.0001 EACH OF TANG CAPITAL ACQUISITION CORP. (THE “COMPANY”) subject to the Company’s amended and restated memorandum and articles of association, as the same may be …

S-1/A · 2026-10-16 · 0001193125-26-424212

Exhibit 99.1 TANG CAPITAL ACQUISITION CORP. FORM OF AUDIT COMMITTEE CHARTER 1. Members. The Board of Directors (the “Board”) of Tang Capital Acquisition Corp. (the “Company”) appoints an Audit Committee (the “Committee”) of at least three members, consisting entirely of independent directors. For purposes hereof, an “independent” director is a director who meets the Nasdaq Stock Market (“Nasdaq”) standards of independence for directors and Committee members, as determined by the Board. Unles…

S-1/A · 2026-10-16 · 0001193125-26-424212

Exhibit 99.2 TANG CAPITAL ACQUISITION CORP. COMPENSATION RECOUPMENT (CLAWBACK) POLICY Recoupment of Incentive-Based Compensation It is the policy of Tang Capital Acquisition Corp. (the “Company”) that, in the event the Company is required to prepare an accounting restatement of the Company’s financial statements due to the Company’s material non-compliance with any financial reporting requirement under the federal securities laws (including any such correction that is material to the previou…

S-1/A · 2026-10-16 · 0001193125-26-424212