Canadian Imperial Bank of Commerce

Regulatory Filings • Dec 7, 2010

1 st SUPPLEMENTARY PROSPECTUS DATED DECEMBER 7, 2010

CANADIAN IMPERIAL BANK OF COMMERCE

(a Canadian chartered bank)

€10,000,000,000

Global Public Sector Covered Bond Programme unconditionally and irrevocably guaranteed as to payments by CIBC COVERED BOND GUARANTOR LIMITED PARTNERSHIP

(a limited partnership formed under the laws of Ontario)

This Supplement (the "Supplement") to the Prospectus dated September 17, 2010 (together with the Supplement, the "Prospectus"), which comprises a base prospectus under Article 5.4 of the Prospectus Directive and Listing Particulars for the purpose of LR 2.2.11 of the Listing Rules Instrument 2005 for Canadian Imperial Bank of Commerce ("CIBC" or the "Issuer"), constitutes a supplementary prospectus in respect of the base prospectus for CIBC for purposes of Section 87G of the Financial Services and Markets Act 2000 (the "FSMA") and supplementary listing particulars in respect of the Listing Particulars for the purpose of the Listing Rules Instrument 2005 and is prepared in connection with the €10,000,000,000 Global Public Sector Covered Bond Programme of CIBC, unconditionally and irrevocably guaranteed as to payments by CIBC Covered Bond Guarantor Limited Partnership (the "Guarantor"), established by CIBC.

Terms defined in the Prospectus have the same meaning when used in this Supplement. The Supplement is supplemental to, and shall be read in conjunction with, the Prospectus and any other supplements to the Prospectus issued by CIBC from time to time.

CIBC and the Guarantor accept responsibility for the information in this Supplement. To the best of the knowledge of CIBC and the Guarantor, having taken reasonable care to ensure that such is the case, the information contained in this Supplement is in accordance with the facts and does not omit anything likely to affect the import of such information.

The purpose of this Supplement is to incorporate by reference in the Prospectus the latest audited annual results (including management's discussion and analysis thereof) and Annual Information Form of CIBC.

Investors should be aware of their rights under Section 87Q(4) of the FSMA.

To the extent that there is any inconsistency between (a) any statement in this Supplement or any statement incorporated by reference into the Prospectus by this Supplement and (b) any other statement in, or incorporated by reference in, the Prospectus, the statements in (a) above will prevail.

Save as disclosed in this Supplement, no significant new factor, material mistake or inaccuracy relating to the information included in the Prospectus which is capable of affecting the assessment of Covered Bonds issued under the Programme has arisen or been noted, as the case may be, since the publication of the Prospectus dated September 17, 2010.

DOCUMENTS INCORPORATED BY REFERENCE

CIBC's Annual Information Form and audited consolidated financial statements for the fiscal year ended October 31, 2010 with comparative consolidated financial statements for the fiscal year ended October 31, 2009, prepared in accordance with Canadian GAAP, together with the auditor's report thereon and management's discussion and analysis for the year ended October 31, 2010 contained in pages 31 through 179 of the CIBC Annual Report to Shareholders for the year ended October 31, 2010 are, by virtue of this Supplement, incorporated in, and form part of, the Prospectus.

A copy of pages 31 through 179 of the CIBC Annual Report to Shareholders for the year ended October 31, 2010 has been filed with Morningstar plc (appointed by the United Kingdom Financial Services Authority to act as the National Storage Mechanism), and is available for viewing at http://www.hemscott.com/nsm.do.

To the extent that any document or information incorporated by reference or attached to this Supplement, itself incorporates any information by reference, either expressly or impliedly, such information will not form part of this Supplement for the purposes of the Prospectus Directive, except where such information or documents are stated within this Supplement as specifically being incorporated by reference or where this Supplement is specifically defined as including such information.

Copies of this Supplement, the Prospectus and the documents incorporated by reference in either can be (i) viewed on the website of the Regulatory News Service operated by the London Stock Exchange at http://www.londonstockexchange.com/exchange/news/market-news/market-news-home.html under the name of the Issuer and the headline "Publication of Prospectus" and (ii) obtained without charge from the Issuer at Commerce Court, 199 Bay Street, Toronto, Ontario, Canada M5L 1A2, Attention: Investor Relations and the specified office each Paying Agent set out at the end of the Prospectus.