0001193125-26-380080 Sample Contracts

UNDERWRITING AGREEMENT between HAYMAKER ACQUISITION CORP V, CANTOR FITZGERALD & CO. and WILLIAM BLAIR & COMPANY, L.L.C. Dated: [*], 2026
Underwriting Agreement • September 2nd, 2026 • Haymaker Acquisition Corp V • Blank checks • New York

The undersigned, Haymaker Acquisition Corp V (formerly known as Haymaker Medici Acquisition Corp.), a Cayman Islands exempted company (the “Company”), hereby confirms its agreement with Cantor Fitzgerald & Co. (“Cantor”) and William Blair & Company, L.L.C. (“William Blair” and together with Cantor, the “Representatives”) and with the other underwriters named on Schedule A hereto (if any), for which the Representatives are acting as representatives (the Representatives and such other underwriters being collectively referred to herein as the “Underwriters” or, each underwriter individually, an “Underwriter,” provided that, if only Cantor and William Blair are listed on such Schedule A, any references to Underwriters shall refer exclusively to Cantor and William Blair) as follows: