0001493152-26-041834 Sample Contracts

10,000,000 Units AFTERNEXT ACQUISITION I CORP. UNDERWRITING AGREEMENT
Underwriting Agreement • September 9th, 2026 • AfterNext Acquisition I Corp. • Blank checks • New York

AfterNext Acquisition I Corp., a Cayman Islands exempted company (the “Company”), hereby confirms its agreement with ARC Group Securities LLC (“ARC” or the “Representative”) and with the other underwriters named on Schedule A hereto (if any), for which the Representative is acting as representative (the Representative and such other underwriters being collectively referred to herein as the “Underwriters” or, each underwriter individually, an “Underwriter”; provided that, if only ARC is listed on such Schedule A, any references to the Underwriters shall refer exclusively to ARC), as follows:

REGISTRATION RIGHTS AGREEMENT
Registration Rights Agreement • September 9th, 2026 • AfterNext Acquisition I Corp. • Blank checks • New York

THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of _________, 2026, is made and entered into by and among AfterNext Acquisition I Corp., a Cayman Islands exempted company (the “Company”), AfterNext Sponsor I LLC, a Cayman Islands limited liability company (the “Sponsor”), EarlyBirdCapital, Inc. (“EBC”) and each of the undersigned parties listed on the signature page hereto under “Holders” (each such party, together with the Sponsor and EBC and any person or entity who hereafter becomes a party to this Agreement pursuant to Section 5.2 of this Agreement, a “Holder” and collectively the “Holders”).

INVESTMENT MANAGEMENT TRUST AGREEMENT
Investment Management Trust Agreement • September 9th, 2026 • AfterNext Acquisition I Corp. • Blank checks

This Investment Management Trust Agreement (this “Agreement”) is made effective as of __________, 2026 by and between AfterNext Acquisition I Corp., a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”).

PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT
Private Placement Units Purchase Agreement • September 9th, 2026 • AfterNext Acquisition I Corp. • Blank checks • New York

THIS PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT, dated as of ________, 2026 (as it may from time to time be amended and including all exhibits referenced herein, this “Agreement”), is entered into by and AfterNext Acquisition I Corp., a Cayman Islands exempted company (the “Company”), and AfterNext Sponsor I LLC, a Cayman Islands limited liability company (the “Purchaser”).

RIGHTS AGREEMENT
Rights Agreement • September 9th, 2026 • AfterNext Acquisition I Corp. • Blank checks • New York

This Rights Agreement (this “Agreement”) is made as of __________, 2026 between AfterNext Acquisition I Corp., a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation, as rights agent (the “Rights Agent”).

AfterNext Acquisition I Corp. #02-11, Singapore 178905 ARC Group Securities LLC Tempe, AZ 85281
Underwriting Agreement • September 9th, 2026 • AfterNext Acquisition I Corp. • Blank checks

This letter (this “Letter Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and between AfterNext Acquisition I Corp., a Cayman Islands exempted company (the “Company”), and ARC Group Securities LLC, as representative (the “Representative”) of the several underwriters (each, an “Underwriter” and collectively, the “Underwriters”), relating to an underwritten initial public offering (the “Public Offering”), of up to 11,500,000 of the Company’s units (including up to 1,500,000 units that may be purchased to cover over-allotments, if any) (the “Units”), each comprised of one Class A ordinary share of the Company, par value $0.0001 per share (the “Shares”), one right (each, a “Right”) and one warrant (each, a “Warrant”). Each Right entitles the holder to receive one-fourth of one Share upon the completion of an initial Business Combination. Each Warrant will entitle the holder to acquire one Share upon the late

SHARE ESCROW AGREEMENT
Share Escrow Agreement • September 9th, 2026 • AfterNext Acquisition I Corp. • Blank checks • New York

This Share Escrow Agreement, dated as of ____________, 2026 (“Agreement”), by and among AfterNext Acquisition I Corp., a Cayman Islands exempted company (the “Company”), AfterNext Sponsor I LLC (the “Sponsor”) and the initial shareholders listed on Exhibit A attached hereto (together with the Sponsor, each, an “Initial Shareholder” and collectively the “Initial Shareholders”) and Continental Stock Transfer & Trust Company, a New York corporation (the “Escrow Agent”).

AfterNext Acquisition I Corp. #02-11, Singapore 178905
Administrative Services Agreement • September 9th, 2026 • AfterNext Acquisition I Corp. • Blank checks

This letter agreement (this “Agreement”) by and between AfterNext Acquisition I Corp. (the “Company”) and AfterNext Capital Management Limited (the “Manager of Sponsor”), dated as of the date hereof, will confirm our agreement that, commencing on the date the securities of the Company are first listed on the Nasdaq Stock Market (the “Listing Date”), pursuant to a Registration Statement on Form S-1 and prospectus filed with the U.S. Securities and Exchange Commission (the “Registration Statement”) and continuing until the earlier of the consummation by the Company of an initial business combination or the Company’s liquidation (in each case as described in the Registration Statement) (such earlier date hereinafter referred to as the “Termination Date”):