Browse EX-10 agreements

LOCK-UP AGREEMENT

 

This Lock-Up Agreement (this “Agreement”) is dated as of [●], 2026, by and among Big3 Basketball Holdings, Inc., a Delaware corporation (formerly known as Halfcourt Holdco, Inc. “Pubco”), the shareholders of Pubco listed on the signature pages hereto under the heading “Lock-up Securityholders,” each officer and director of Pubco, the Company (as defined below) and SPAC (as defined below) who hold Pubco Common Stock and/or Pubco Warrants (each as defined below) as of the Closing Date, and the other persons who enter into a joinder to this Agreement substantially in the form of Exhibit A hereto in order to become a “Lock-up Securityholder” for purposes of this Agreement (collectively, the “Lock-up Securityholders,” and each individually, a “Lock-up Securityholder”). Capitalized terms used but not defined herein shall have the respective meanings ascribed to such terms in the Business Combination Agreement (as defined below).

 

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THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE MAKER THAT SUCH REGISTRATION IS NOT REQUIRED.

 

CONVERTIBLE PROMISSORY NOTE (“NOTE”)

 

Principal Amount: Up to $200,000 Dated: June 10, 2026

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REGISTRATION RIGHTS AGREEMENT

 

REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of [●], 2026, is made and entered into by and among Big3 Basketball Holdings, Inc., a Delaware corporation (formerly known as Halfcourt Holdco, Inc., “Pubco”), Graf Global Sponsor LLC, a Delaware limited liability company (the “Sponsor”), the members of the Sponsor listed on the signature pages hereto (the “Sponsor Members”), Cantor Fitzgerald & Co. (the “IPO Underwriter”), the directors and officers of SPAC listed on the signature pages hereto (the “SPAC Holders”), and certain members of BIG3 HoldCo LLC, a Delaware limited liability company (the “Company”), listed on the signature pages hereto (such members, the “Company Holders” and, together with the Sponsor, the Sponsor Members, the SPAC Holders, the IPO Underwriter 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”). Capitalized terms used and not otherwise defined herein shall have the

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Execution Copy

 

SPONSOR SUPPORT AGREEMENT

 

This Sponsor Support Agreement (this “Agreement”) is dated as of June 12, 2026, by and among Graf Global Corp., a Cayman Islands exempted company (“SPAC”), Graf Global Sponsor LLC, a Delaware limited liability company (the “Sponsor”), Halfcourt Holdco, Inc., a Delaware corporation (“Pubco”), and BIG3 HoldCo LLC, a Delaware limited liability company (the “Company”), and the other parties set forth on the signature pages hereto or which execute a joinder to this Agreement (such parties, together with Sponsor, the “Insiders”). Capitalized terms used but not defined herein shall have the respective meanings ascribed to such terms in the Business Combination Agreement (as defined below).

 

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JOINDER AGREEMENT

 

This Joinder Agreement (the “Joinder Agreement”), dated as of June 12, 2026, is executed by and between M3-Brigade Acquisition V Corp., a Cayman Islands exempted company (the “Company”), and the counterparty designated as “Buyer” in the signature page hereto (“Buyer”), in connection with that certain Letter Agreement, dated as of July 31, 2024 (the “Agreement”), by and among the Company, MI7 Sponsor, LLC, a Delaware limited liability company (as assignee of M3-Brigade Sponsor V LLC) (the “Sponsor”), the other parties thereto, and each person who has become a party thereto by entering into a joinder agreement in accordance with the terms thereof. Capitalized terms used but not defined herein shall have the meaning given to such terms in the Agreement.

 

By the execution of this Joinder Agreement, Buyer agrees as follows:

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JOINDER AGREEMENT

 

This Joinder Agreement (the “Joinder Agreement”), dated as of June 12, 2026, is executed by and between M3-Brigade Acquisition V Corp., a Cayman Islands exempted company (the “Company”), and the counterparty designated as “Buyer” in the signature page hereto (“Buyer”), in connection with that certain Letter Agreement, dated as of July 31, 2024 (the “Agreement”), by and among the Company, MI7 Sponsor, LLC, a Delaware limited liability company (as assignee of M3-Brigade Sponsor V LLC) (the “Sponsor”), the other parties thereto, and each person who has become a party thereto by entering into a joinder agreement in accordance with the terms thereof. Capitalized terms used but not defined herein shall have the meaning given to such terms in the Agreement.

 

By the execution of this Joinder Agreement, Buyer agrees as follows:

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VOTING SUPPORT AND NON-REDEMPTION AGREEMENT

 

THIS VOTING SUPPORT AND NON-REDEMPTION AGREEMENT (this “Agreement”), dated as of June 12, 2026, is made and entered into by and among the undersigned shareholder (the “Buyer”) and M3-Brigade Acquisition V Corp., a Cayman Islands exempted company incorporated with limited liability (the “SPAC”), MI7 Sponsor, LLC, a Delaware limited liability company (the “Seller”), ReserveOne, Inc., a Delaware corporation (“ReserveOne”), and ReserveOne Holdings, Inc., a Delaware corporation (“R-1 Holdings”).

 

Unless otherwise stated herein, capitalized terms used in this Agreement shall have the meanings ascribed to them in the prospectus relating to the registration statement on Form S-1 of M3-Brigade Acquisition V Corp. first filed with the U.S. Securities and Exchange Commission (the “SEC”) on June 5, 2024 (Registration No. 333-279951), as amended and as declared effective on July 31, 2024, and as may be supplemented or post-effectively amended from time to time.

 

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JOINDER AGREEMENT

 

This Joinder Agreement (the “Joinder Agreement”), dated as of June 12, 2026, is executed by and between M3-Brigade Acquisition V Corp., a Cayman Islands exempted company (the “Company”), and the counterparty designated as “Buyer” in the signature page hereto (“Buyer”), in connection with that certain Registration Rights Agreement, dated as of July 31, 2024 (the “Agreement”), by and among the Company, MI7 Sponsor, LLC, a Delaware limited liability company (as assignee of M3-Brigade Sponsor V LLC) (the “Sponsor”), Cantor Fitzgerald & Co., and each person who has become a party thereto by entering into a joinder agreement in accordance with the terms thereof. Capitalized terms used but not defined herein shall have the meaning given to such terms in the Agreement.

 

By the execution of this Joinder Agreement, Buyer agrees as follows:

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VOTING SUPPORT AGREEMENT

 

THIS VOTING SUPPORT AGREEMENT (this “Agreement”), dated as of June 12, 2026, is made and entered into by and among the undersigned shareholder (the “Shareholder”) and M3-Brigade Acquisition V Corp., a Cayman Islands exempted company incorporated with limited liability (the “SPAC”).

 

Unless otherwise stated herein, capitalized terms used in this Agreement shall have the meanings ascribed to them in the prospectus relating to the registration statement on Form S-1 of M3-Brigade Acquisition V Corp. first filed with the U.S. Securities and Exchange Commission (the “SEC”) on June 5, 2024 (Registration No. 333-279951), as amended and as declared effective on July 31, 2024, and as may be supplemented or post-effectively amended from time to time.

 

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WHEREAS, the SPAC was incorporated on March 12, 2024, and consummated an initial public offering of its units on August 2, 2024, generating gross proceeds of $287,500,000 (the “IPO”);

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SECURITIES PURCHASE AGREEMENT

 

THIS SECURITIES PURCHASE AGREEMENT (this “Agreement”), dated as of June 12, 2026, is made and entered into by and among the undersigned investor (“Buyer”), MI7 Sponsor, LLC, a Delaware limited liability company (“Seller”), ReserveOne, Inc., a Delaware corporation (“ReserveOne”), ReserveOne Holdings, Inc., a Delaware corporation (“R-1 Holdings”), and M3-Brigade Acquisition V Corp., a Cayman Islands exempted company (the “SPAC”).

 

Unless otherwise stated herein, capitalized terms used in this Agreement shall have the meanings ascribed to them in the prospectus relating to the registration statement on Form S-1 of M3-Brigade Acquisition V Corp. first filed with the U.S. Securities and Exchange Commission (the “SEC”) on June 5, 2024 (Registration No. 333-279951), as amended and as declared effective on July 31, 2024, and as may be supplemented or post-effectively amended from time to time (the “Registration Statement”).

 

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MUTUAL TERMINATION AGREEMENT

 

This MUTUAL TERMINATION AGREEMENT (this “Agreement”) is made and entered into as of June 12, 2026 (the “Effective Date”), by and among M3-Brigade Acquisition V Corp., a Cayman Islands exempted company incorporated with limited liability (“M3”), and ReserveOne, Inc., a Delaware corporation (the “Company”).  Capitalized terms used herein but not defined herein shall have the meanings ascribed to such terms in the BCA (as defined below).

 

WHEREAS, (i) M3, (ii) the Company, (iii) ReserveOne Holdings, Inc., a Delaware corporation and a wholly owned subsidiary of the Company, (iv) R1 SPAC Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Pubco, and (v) R1 Company Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Pubco have entered into that certain Business Combination Agreement, dated as of July 7, 2025 (the “BCA”);

 

WHEREAS, Section 7.1(a) of the BCA provides that the BCA may be terminated by the mutual written consent of M3 and the Company; and

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JOINDER AGREEMENT

 

This Joinder Agreement (the “Joinder Agreement”), dated as of June 12, 2026, is executed by and between M3-Brigade Acquisition V Corp., a Cayman Islands exempted company (the “Company”), and the counterparty designated as “Buyer” in the signature page hereto (“Buyer”), in connection with that certain Registration Rights Agreement, dated as of July 31, 2024 (the “Agreement”), by and among the Company, MI7 Sponsor, LLC, a Delaware limited liability company (as assignee of M3-Brigade Sponsor V LLC) (the “Sponsor”), Cantor Fitzgerald & Co., and each person who has become a party thereto by entering into a joinder agreement in accordance with the terms thereof. Capitalized terms used but not defined herein shall have the meaning given to such terms in the Agreement.

 

By the execution of this Joinder Agreement, Buyer agrees as follows:

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