CALGARY, Oct. 31 /PRNewswire-FirstCall/ -- Petro-Canada (TSX: PCA, NYSE: PCZ) - Ron Brenneman, president and chief executive officer at Petro-Canada will present at the Merrill Lynch Global Energy Conference in New York on Thursday, November 3, 2005 at 1:55 p.m. Eastern time (11:55 a.m. Mountain time). The presentation will include information on Petro-Canada's performance, growth strategy and outlook. A live audio webcast of the presentation and an electronic copy of the slides will be available at the Petro-Canada website: http://www.petro-canada.ca/eng/investor/9255.htm. A postview of the webcast will be available until November 17, 2005. 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: Pamela Tisdale, Investor Relations, Petro-Canada, Calgary, Tel: (403) 296-4423, Media & general inquiries: Michelle Harries, Corporate Communications, Petro-Canada, Calgary, Tel: (403) 296-3648; 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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