Canadian Imperial Bank of Commerce (CIBC) is offering $450,000,000 aggregate principal amount of 5.898% Limited Recourse Capital Notes Series 8 (Non-Viability Contingent Capital (NVCC)), classified as subordinated indebtedness. The Notes mature on January 28, 2086, and pay semi-annual interest on January 28 and July 28, with the first payment due January 28, 2026. The initial fixed interest rate of 5.898% per annum applies until January 28, 2031, after which the rate resets every five years to the Government of Canada Yield plus 3.113%. If issued on September 29, 2025, the first interest payment will be $19.55227397 per $1,000 principal amount.

The offering is managed by a syndicate of agents—CIBC World Markets Inc., Scotia Capital Inc., Desjardins Securities Inc., BMO Nesbitt Burns Inc., iA Private Wealth Inc., Laurentian Bank Securities Inc., National Bank Financial Inc., RBC Dominion Securities Inc., TD Securities Inc., Manulife Wealth Inc., and Cedar Leaf Capital Inc.—on a best efforts basis. Legal counsel for CIBC is Torys LLP, while McCarthy Tétrault LLP represents the agents. Willkie Farr & Gallagher LLP advises CIBC on U.S. law matters. All arrangements are subject to the terms of the agency agreement and the prospectus supplement.