Browse EX-10 agreements

FORM OF

AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT

THIS AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is entered into as of [●], 2026, by and among:

	(i)	FortuneX Acquisition Corporation, a Cayman Islands exempted company (prior to the Domestication Effective Time, “SPAC”, and at and after the Domestication Effective Time, “PubCo”);

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FORM OF

AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT

THIS AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is entered into as of [●], 2026, by and among:

	(i)	FortuneX Acquisition Corporation, a Cayman Islands exempted company (prior to the Domestication Effective Time, “SPAC”, and at and after the Domestication Effective Time, “PubCo”);

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**PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT **

THIS PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT, effective as of [●], 2026 (as it may from time to time be amended, this “Agreement”), is entered into by and between Harbour Island Acquisition Corp. I, a Cayman Islands exempted company (the “Company”), and Harbour Island Acquisition Sponsor LLC, a Delaware limited liability company (the “Purchaser”).

WHEREAS

The Company intends to consummate an initial public offering of the Company’s units (the “IPO”), each unit consisting of one Class A Ordinary Share, par value $0.0001 per share, of the Company (each, a “Class A Ordinary Share”), and one redeemable warrant (a “Warrant”) to purchase a Class A Ordinary Share (a “Warrant Share”) to be governed by the Warrant Agreement to be entered into between the Company and Continental Stock Transfer & Trust Company, as warrant agent (the “Warrant Agreement”), as set forth in the Company’s registration statement on Form S-1, filed with the Securities and Exchange Commission (the “SEC”), File Number 333

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INVESTMENT MANAGEMENT TRUST AGREEMENT

This Investment Management Trust Agreement (this “Agreement”) is made effective as of [●], 2026 by and between Harbour Island Acquisition Corp. I, a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York limited liability trust company (the “Trustee”).

WHEREAS, the Company’s registration statement on Form S-1 (File No. 333-[•]) (the “Registration Statement”) and prospectus (the “Prospectus”) for the initial public offering of the Company’s units (the “Units”), each of which consists of one of the Company’s Class A ordinary shares, par value $0.0001 per share (the “Ordinary Shares”), and one redeemable warrant, each whole warrant entitling the holder thereof to purchase one Ordinary Share (such initial public offering hereinafter referred to as the “Offering”), has been declared effective as of the date hereof by the U.S. Securities and Exchange Commission;

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[●], 2026

Harbour Island Acquisition Corp. I

2875 South Ocean Boulevard

Palm Beach, FL 33480

Re: Initial Public Offering

Ladies and Gentlemen:

This letter (this “Letter Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and among Harbour Island Acquisition Corp. I, a Cayman Islands exempted company (the “Company”) and Clear Street LLC, as representative (the “Representative”) of the underwriters (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 which may be purchased to cover over-allotments, if any) (the “Units”), each comprised of one Class A ordinary share, par value $0.0001 per share, of the Company (the “Class A Ordinary Shares”) and one redeemable warrant (each whole warrant, a “Warrant”). Each Warrant entitles the holder thereof to purchase one Class A Ordinary Share at a price of $11.50 per whole share, subject t

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REGISTRATION RIGHTS AGREEMENT

THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of [●], 2026 is made and entered into by and among Harbour Island Acquisition Corp. I, a Cayman Islands exempted company (the “Company”), Harbour Island Acquisition Sponsor LLC, a Delaware limited liability company (the “Sponsor”), Clear Street LLC, as the representative of the underwriters (the “Representative”), and the undersigned parties listed under Holder on the signature pages hereto (each such party, 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”).

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RECITALS

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INDEMNITY AGREEMENT

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THIS INDEMNITY AGREEMENT (this “Agreement”) is made as of [●], 2026, by and between Harbour Island Acquisition Corp. I, a Cayman Islands exempted company (the “Company”), and the undersigned (“Indemnitee”).

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RECITALS

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WHEREAS, highly competent persons have become more reluctant to serve publicly-held companies as directors, officers or in other capacities unless they are provided with adequate protection through insurance or adequate indemnification against inordinate risks of claims and actions against them arising out of their service to and activities on behalf of such companies;

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WHEREAS, the Board of Directors of the Company (the “Board”) has determined that, in order to attract and retain qualified individuals, the Company will attempt to maintain on an ongoing basis, at its sole expense, liability insurance to protect persons serving the Company and its Subsidiaries (as defined below) from certain liabilities;

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