CALGARY, Jan. 11 /PRNewswire-FirstCall/ -- Petro-Canada (TSX: PCA, NYSE: PCZ) - Petro-Canada will host a conference call for analysts and investors on Thursday, January 26, 2006 at 7:00 a.m. Mountain time (9:00 a.m. Eastern time) to discuss fourth quarter results, which will be released on January 26, 2006. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on January 26, a recording of the conference call will be available on Petro-Canada's website. Presenters: Ron A. Brenneman, President & Chief Executive Officer; and Harry Roberts, Executive Vice-President & Chief Financial Officer Conference Call Host: Gordon Ritchie, Sr. Director - Investor Relations Date: January 26, 2006 Time: 7:00 a.m. Mountain time (9:00 a.m. Eastern time) Telephone: Investors & Analysts: 1-866-898-9626 (N. America); or 416-340-2216 (International) Media: 1-866-540-8136 (N. America); or 416-340-8010 Webcast: http://www.petro-canada.ca/eng/investor/9259.htm Post audio: A post audio will be available one hour after the conclusion of the conference call and will be accessible until April 24, 2006 through 1-800-408-3053 (N. America) and 416-695-5800 (International); reservation No. 3168271. 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 ANALYSTS, Gordon Ritchie, Investor Relations, Petro-Canada, Calgary, Tel: (403) 296-7691; MEDIA AND GENERAL INQUIRIES, Michelle Harries, Corporate Communications, Petro-Canada, Calgary, Tel: (403) 296-3648; Pamela Tisdale, Investor Relations, Tel: (403) 296-4423; 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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