Shell Canada 6-K Shell Canada announces dividend

FOR IMMEDIATE RELEASE FRIDAY, JULY 28, 2006

Shell Canada announces dividend

Calgary, Alberta - The Directors of Shell Canada Limited today declared a quarterly dividend of eleven cents ($0.11) per common share. The dividend will be payable September 15, 2006, to shareholders of record August 15, 2006.

Unless otherwise requested, dividends payable to shareholders with registered addresses in the United States will be converted into U.S. funds at the rate quoted for U.S. funds by the Bank of Canada at noon on the record date.

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For further information contact:

Ken Lawrence

Manager, Investor Relations

Calgary, Alberta

(403) 691-2175

Visit Shell's Internet website www.shell.ca