Alchemy Acquisition Holdings, Inc.

Exhibit 4.1 [Form of Warrant Certificate] [FACE] Number Warrants THIS WARRANT SHALL BE VOID IF NOT EXERCISED PRIOR TO THE EXPIRATION OF THE EXERCISE PERIOD PROVIDED FOR IN THE WARRANT AGREEMENT DESCRIBED BELOW CARTIGA HOLDINGS, INC. Incorporated Under the Laws of the State of Delaware CUSIP [ ] Warrant Certificate This Warrant Certificate certifies that __________, or registered assigns, is the Registered Holder of __________ warrant(s) (the “Warrants” and each, a “Warrant”) to purchas…

S-4 · 2026-10-23 · 0001104659-26-118485

Exhibit 99.1 FORM OF PROXY CARD ALCHEMY INVESTMENTS ACQUISITION CORP 1 PROXY FOR THE EXTRAORDINARY GENERAL MEETING OF SHAREHOLDERS THIS PROXY IS SOLICITED BY THE BOARD OF DIRECTORS THE BOARD OF DIRECTORS RECOMMENDS A VOTE “FOR” EACH OF THE PROPOSALS BELOW. Important Notice Regarding the Availability of Proxy Materials for the Extraordinary General Meeting of Shareholders to be Held on [●], 2026. The Notice of Extraordinary General Meeting and the proxy statement/prospectus are available a…

S-4 · 2026-10-23 · 0001104659-26-118485

Exhibit 99.2 CONSENT OF DIRECTOR NOMINEE October 23, 2026 In connection with the filing by Alchemy Acquisition Holdings, Inc., a Delaware corporation (the “Company”), and Cartiga, LLC, a Delaware limited liability company, as co-registrants, of the Registration Statement on Form S-4 (the “Registration Statement”) with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”), I hereby consent, pursuant to Rule 438 of Regulation C promulgated un…

S-4 · 2026-10-23 · 0001104659-26-118485