April 04, 2007 19:37 ET

Advisory: Petro-Canada Q1 2007 Results

CALGARY, ALBERTA--(CCNMatthews - April 4, 2007) - Petro-Canada will host a conference call for analysts and investors on Tuesday, April 24, 2007 at 7:00 a.m. Mountain time (9:00 a.m. Eastern time) to discuss first quarter results, which will be released on April 24, 2007. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on April 24, a postview of the conference call will be available until July 25, 2007.

Presenter: Ron A. Brenneman, President and CEO

Conference Call Host: Gordon Ritchie, Sr. Director, Investor Relations

Date: April 24, 2007

Time: 7:00 a.m. Mountain time (9:00 a.m. Eastern time)

Telephone: Analysts & Investors -
1-866-898-9626 (Toll-free N. America),
800-8989-6323 (Toll-free International) or
Media - 1-866-540-8136 (Toll-free N. America);
and 416-340-8010 (International)


Postview: A postview of the audio webcast will be available one
hour after the conclusion of the conference call and
will be accessible until July 25, 2007 through
1-800-408-3053 (N. America) and 416-695-5800
(International); pass code: 3215986#

Petro-Canada is one of Canada's largest oil and gas companies, operating in both the upstream and downstream sectors of the industry in Canada and internationally. The Company creates value by responsibly developing energy resources and providing world class petroleum products and services. Petro-Canada is proud to be a National Partner to the Vancouver 2010 Olympic and Paralympic Winter Games. Petro-Canada's common shares trade on the Toronto Stock Exchange (TSX) under the symbol PCA and on the New York Stock Exchange (NYSE) under the symbol PCZ.

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