0001213900-26-069187 Sample Contracts

UNDERWRITING AGREEMENT JUNE 8, 2026 CANADIAN IMPERIAL BANK OF COMMERCE DEBT SECURITIES
Underwriting Agreement • June 16th, 2026 • Canadian Imperial Bank of Commerce /Can/ • Commercial banks, nec • New York

Canadian Imperial Bank of Commerce, a Canadian bank chartered under the Bank Act (Canada) (the Bank), proposes to issue and sell to the several underwriters named in Schedule 2 hereto (the Underwriters) US$1,000,000,000 aggregate principal amount of its 4.723% Fixed-to-Floating Rate Senior Notes due 2029 (the 2029 Notes) and US$1,000,000,000 aggregate principal amount of its 5.051% Fixed-to-Floating Rate Senior Notes due 2032 (the 2032 Notes, together with the 2029 Notes, the Securities), as set forth in Schedule 4 hereto, to be issued pursuant to the provisions of an indenture, dated as of September 14, 2010 (the Base Indenture) between the Bank and The Bank of New York Mellon, as trustee (the Trustee), as supplemented by a First Supplemental Indenture, dated as of April 2, 2019 between the Bank and the Trustee and by a Second Supplemental Indenture, dated as of September 11, 2024 between the Bank and the Trustee (together, the Supplemental Indentures and, together with the Base Inden