Browse EX-10 agreements

FORM OF

REGISTRATION RIGHTS AGREEMENT

THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), is made as of [ l ], 2026, by and among Quantinuum Inc., (the “Company”), Cambridge Quantum Holdings Limited, Colorado Holdco, Honeywell Holdings International Inc., Honeywell International Inc., JPMC Strategic Investments I Corporation, Mitsui & Co., Ltd., NVentures LLC, and Quanta Computer Inc., each of which may be referred to in this Agreement as a “Party” and together as the “Parties.”

RECITALS:

WHEREAS, the Company is effecting an underwritten initial public offering (“IPO”) of shares of its Class A common stock, par value $0.0001 per share (the “Class A Common Stock” or the “Class A Shares” and, holders of Class A Common Stock or Class A Shares, the “Shareholders”);

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QUANTINUUM HOLDINGS, LLC

AMENDED AND RESTATED

LIMITED LIABILITY COMPANY AGREEMENT

Dated as of [ l ], 2026

THE LIMITED LIABILITY COMPANY INTERESTS REPRESENTED BY THIS AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, OR UNDER ANY OTHER APPLICABLE SECURITIES LAWS. SUCH LIMITED LIABILITY COMPANY INTERESTS MAY NOT BE SOLD, ASSIGNED, PLEDGED OR OTHERWISE DISPOSED OF AT ANY TIME WITHOUT EFFECTIVE REGISTRATION UNDER SUCH ACT AND LAWS OR EXEMPTION THEREFROM AND COMPLIANCE WITH THE OTHER SUBSTANTIAL RESTRICTIONS ON TRANSFERABILITY SET FORTH HEREIN.

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TABLE OF CONTENTS

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TAX RECEIVABLE AGREEMENT

by and among

QUANTINUUM INC.

QUANTINUUM HOLDINGS, LLC

TRA PARTIES

and

OTHER PERSONS FROM TIME TO TIME PARTY HERETO

[ l ], 2026

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TABLE OF CONTENTS

Page
ARTICLE I Definitions									2
			Section 1.1.			Definitions			2
			Section 1.2.			Rules of Construction			11
ARTICLE II Determination of Realized Tax Benefit									11
			Section 2.1.			Basis Adjustments; Holdings 754 Election			11
			Section 2.2.			Tax Benefit Schedules			12
			Section 2.3.			Procedures; Amendments			13

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TAX RECEIVABLE AGREEMENT

among

EROCK, INC.,

a Delaware corporation,

ENCHANTED ROCK HOLDINGS, LLC,

a Delaware limited liability company,

and

CERTAIN OTHER PERSONS NAMED HEREIN

dated as of [●], 2026

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Table of Contents

				Page
Article I DETERMINATION OF REALIZED TAX BENEFIT					4
Section 1.01		Realized Tax Benefit and Realized Tax Detriment			4
Section 1.02		Assumptions, Conventions, and Principles for Calculations			4
Section 1.03		Procedures Relating to Calculation of Tax Benefits			7
Article II TAX BENEFIT PAYMENTS, THE CONSOLIDATED GROUP, AND TRANSFERS OF CORPORATE ASSETS					9
Section 2.01		Payments			9
Section 2.02		No Duplicative Payments			9
Section 2.03		Order of Payments			9

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SIXTH AMENDED AND RESTATED

LIMITED LIABILITY COMPANY AGREEMENT

OF

ENCHANTED ROCK HOLDINGS, LLC

a Delaware limited liability company

dated as of [●]

THE LIMITED LIABILITY COMPANY INTERESTS IN ENCHANTED ROCK HOLDINGS, LLC HAVE NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED, THE SECURITIES LAWS OF ANY STATE, OR ANY OTHER APPLICABLE SECURITIES LAWS, AND HAVE BEEN OR ARE BEING ISSUED IN RELIANCE UPON EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND SUCH LAWS. SUCH INTERESTS MUST BE ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE OFFERED FOR SALE, PLEDGED, HYPOTHECATED, SOLD, ASSIGNED OR TRANSFERRED AT ANY TIME EXCEPT IN COMPLIANCE WITH (I) THE SECURITIES ACT, ANY APPLICABLE SECURITIES LAWS OF ANY STATE AND ANY OTHER APPLICABLE SECURITIES LAWS; (II) THE TERMS AND CONDITIONS OF THIS SIXTH AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT; AND (III) ANY OTHER TERMS AND CONDITIONS AGREED TO IN WRITING BETWEEN THE COMPANY AND THE APPLICABLE MEMBER. THE LIMITED LIABILITY

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Exhibit 10.8

May __, 2026

AmperCap Acquisition Company

12 East 49th Street, 18th Floor

New York, NY, 10017

Gentlemen:

AmperCap Acquisition Company (“Company”), a blank check company formed in the Cayman Islands for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses (a “Business Combination”), intends to register its securities under the Securities Act of 1933, as amended (“Securities Act”), pursuant to its registration statement on Form S-1 initially filed on March 17, 2026 (as may be amended, the “Registration Statement”) in connection with its initial public offering (“IPO”).

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Exhibit 10.5

PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT

This PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT (this “Agreement”) is made as of this [●], 2026, by and between AmperCap Acquisition Company, a Cayman Islands exempted company (the “Company”), having its principal place of business at 12 East 49th Street, 18th Floor, New York, NY 10017 and EarlyBirdCapital, Inc. (“EBC or the “Purchaser”).

WHEREAS, the Company intends to consummate an initial public offering (the “IPO”) of the Company’s units (the “Units”), each Unit consisting of one ordinary share (“Ordinary Share”) of the Company, par value $0.0001 per share and one right to receive one-tenth (1/10) of one Ordinary Share. The Purchaser has agreed to purchase on a private placement basis (the “Offering”) an aggregate of 137,500 private placement units (or up to 158,125 private placement units if the underwriters’ over-allotment option is exercised in full) (the “Private Placement Units”),

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Exhibit 10.4

PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT

This PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT (this “Agreement”) is made as of this [●], 2026, by and between AmperCap Acquisition Company, a Cayman Islands exempted company (the “Company”), having its principal place of business at 12 East 49th Street, 18th Floor, New York, NY 10017 and AmperSPAC LLC, a Delaware limited liability company (the “Purchaser”).

WHEREAS, the Company intends to consummate an initial public offering (the “IPO”) of the Company’s units (the “Units”), each Unit consisting of one ordinary share (“Ordinary Share”) of the Company, par value $0.0001 per share and one right to receive one-tenth (1/10) of one Ordinary Share upon the consummation of the Company’s initial business combination.

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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 AmperCap Acquisition Company, a Cayman Islands exempted company (the “Company”), AmperSPAC LLC, a Delaware limited liability company (the “Sponsor”), EarlyBirdCapital, Inc. (“EBC”), and third-party investors (“TPI”), and each of the undersigned parties listed on the signature page hereto under “Holders” (each such party, together with the Sponsor, EBC and TPI 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”).

RECITALS

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INVESTMENT MANAGEMENT TRUST AGREEMENT

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

WHEREAS, the Company’s registration statement on Form S-1, as amended (File No. 333-294363) (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 ordinary shares, par value $0.0001 per share (the “Ordinary Shares”), and one right to receive one-tenth (1/10) of 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

AmperCap Acquisition Company

12 East 49th Street, 18th Floor

New York, NY 10017

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 AmperCap Acquisition Company, a Cayman Islands exempted company (the “Company”), and EarlyBirdCapital, Inc., as representative (the “Representative”) of the underwriters (the “Underwriters”), relating to an underwritten initial public offering (the “Public Offering”) of up to 14,375,000 of the Company’s units (including up to 1,875,000 units which may be purchased to cover over-allotments, if any) (the “Units”), each Unit comprised of one ordinary share, par value $0.0001 per share, of the Company (the “Ordinary Shares”) and one right (each right, a “Share Right”). Each Share Right entitles the holder thereof to receive one-tenth

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CONTRIBUTION AND EXCHANGE AGREEMENT

This Contribution and Exchange Agreement (this “Agreement”), dated as of [●], 2026, is entered into by and between Tribeca Strategic Partners Holdco LLC, a Delaware limited liability company (the “Company”), and Tribeca Strategic Partners LLC, a Delaware limited liability company (“Contributor”). All capitalized terms used but not otherwise defined in this Agreement shall have the meanings ascribed to such terms in the LLC Agreement (as defined herein).

In consideration of the mutual promises herein made, and in consideration of the representations, warranties and covenants herein contained, the parties agree as follows:

Section 1. Definitions. For the purposes of this Agreement, the following terms have the meanings set forth below:

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