October 09, 2008 19:00 ET

Advisory: Petro-Canada Q3 2008 Results

CALGARY, ALBERTA--(Marketwire - Oct. 9, 2008) - Petro-Canada will host a conference call for analysts and investors on Thursday, October 23, 2008 at 7:00 a.m. Mountain time (9:00 a.m. Eastern time) to discuss third quarter results, which will be released on October 23, 2008. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on October 23, a postview of the conference call will be available until January 28, 2009.

Presenters: Ron A. Brenneman, President and CEO; and
Harry Roberts, Executive Vice-President and CFO

Conference Call Host: Ken Hall, Sr. Director, Investor Relations

Date: October 23, 2008

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

Telephone: Analysts & Investors - 1-866-898-9626 (Toll-free
North America), 00-800-8989-6323 (Toll-free
International) or 416-340-2216

Media - 1-866-540-8136 (Toll-free North America);
or 416-340-8010

Audio Webcast:

Postview: A postview of the audio webcast will be available
one hour after the conclusion of the conference
call and will be accessible until January 28, 2009
by calling 1-800-408-3053 (North America) or
416-695-5800; pass code: 3269226#

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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