EXHIBIT 2 — Certificates — Section 906 of Sarbanes-Oxley Act of 2002

In connection with the quarterly report of Canadian Imperial Bank of Commerce (the “Bank”) for the period ended April 30, 2007, as filed under cover of a Form 6-K with the Securities and Exchange Commission on the date hereof (the “Report”), I, GERALD T. MCCAUGHEY, President & Chief Executive Officer of the Bank, certify that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Bank.

/s/ Gerald T. McCaughey  

Gerald T. McCaughey 

President & Chief Executive Officer 

Date: May 31, 2007

In connection with the quarterly report of Canadian Imperial Bank of Commerce (the “Bank”) for the period ended April 30, 2007, as filed under cover of a Form 6-K with the Securities and Exchange Commission on the date hereof (the “Report”), I, TOM D. WOODS, Senior Executive Vice President and Chief Financial Officer of the Bank, certify that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Bank.

/s/ Tom D. Woods  

Tom D. Woods 

Senior Executive Vice President and Chief
Financial Officer 

Date: May 31, 2007