CALGARY, Nov. 28 /PRNewswire-FirstCall/ -- Petro-Canada (TSX: PCA, NYSE: PCZ) will host a conference call for analysts, investors and the media on Thursday, December 15, 2005 at 2:30 p.m. Mountain time (4:30 p.m. Eastern time) to discuss Petro- Canada's 2006 Capital and Exploration Expenditure Program and Production Outlook, which will be released on December 15, 2005. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on December 15, a postview of the conference call will be available on Petro-Canada's website. Presenter: Ron A. Brenneman, President and CEO Conference Call Host: Gordon Ritchie, Sr. Director - Investor Relations Date: December 15, 2005 Time: 2:30 p.m. Mountain time (4:30 p.m. Eastern time) Telephone: 1-866-540-8136 (N. America); or 416-340-8010 (International) Webcast: http://www.petro-canada.ca/eng/investor/9255.htm Postview: A postview will be available one hour after the conclusion of the conference call and will be accessible until March 15, 2006 through 1-800-408-3053 (N. America) and 416-695-5800 (International); reservation No. 3168224. Petro-Canada is one of Canada's largest oil and gas companies, operating in both the upstream and the downstream sectors of the industry in Canada and internationally. Its common shares trade on the TSX under the symbol PCA and on the New York Stock Exchange under the symbol PCZ. DATASOURCE: Petro-Canada CONTACT: Investor and analyst inquiries: Gordon Ritchie, Investor Relations, Petro-Canada, Calgary, Tel: (403) 296-7691; Media & general inquiries: Michelle Harries, Corporate Communications, Petro-Canada, Calgary, Tel: (403) 296-3648; Pamela Tisdale, Investor Relations, Tel: (403) 296-4423, http://www.petro-canada.ca/; To request a free copy of this organization's annual report, please go to http://www.newswire.ca/ and click on Tools for Investors.

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