Common Contracts

30,000,000 Units Churchill Capital Corp XII UNDERWRITING AGREEMENT

Underwriting Agreement • April 2nd, 2026 • Churchill Capital Corp XII • New York

• Contract Type
  Underwriting Agreement
• Filed
  April 2nd, 2026
• Company
  Churchill Capital Corp XII
• Jurisdiction
  New York

Churchill Capital Corp XII, a Cayman Islands exempted company (the “Company”), proposes to sell to you, the underwriter (the “Underwriter”), 30,000,000 units (the “Units”) of the Company (said units to be issued and sold by the Company being hereinafter called the “Underwritten Securities”). The Company also proposes to grant to the Underwriter an option to purchase up to 4,500,000 additional units to cover over-allotments, if any (the “Option Securities”; the Option Securities, together with the Underwritten Securities, being hereinafter called the “Securities”). Certain capitalized terms used herein and not otherwise defined are defined in Section 20 hereof.

20,000,000 Units KPET Ultra Paceline Corporation UNDERWRITING AGREEMENT

Underwriting Agreement • April 2nd, 2026 • KPET Ultra Paceline Corp • Blank checks • New York

• Contract Type
  Underwriting Agreement
• Filed
  April 2nd, 2026
• Company
  KPET Ultra Paceline Corp
• Industry
  Blank checks
• Jurisdiction
  New York

6,000,000 Ordinary Shares JATT II Acquisition Corp UNDERWRITING AGREEMENT

Underwriting Agreement • April 2nd, 2026 • JATT II Acquisition Corp. • Blank checks • New York

• Contract Type
  Underwriting Agreement
• Filed
  April 2nd, 2026
• Company
  JATT II Acquisition Corp.
• Industry
  Blank checks
• Jurisdiction
  New York

JATT II Acquisition Corp, a Cayman Islands exempted company (the “Company”), proposes to sell to you and, as applicable, to the several underwriters named in Schedule I hereto (collectively, the “Underwriters”), for whom you (the “Representative”) are acting as representative, 6,000,000 ordinary shares, par value $0.0001 per share, of the Company (the “Ordinary Shares”) (said Ordinary Shares to be issued and sold by the Company being hereinafter called the “Underwritten Securities”). The Company also proposes to grant to the Underwriters an option to purchase up to 900,000 additional Ordinary Shares to cover over-allotments, if any (the “Option Securities”; the Option Securities, together with the Underwritten Securities, being hereinafter called the “Securities”). To the extent there are no additional Underwriters listed on Schedule I other than you, the term Representative as used herein shall mean you, as Underwriter, and the term Underwriter shall mean either the singular or plural