July 15, 2008 11:31 ET

Advisory: Petro-Canada Q2 2008 Results

CALGARY, ALBERTA--(Marketwire - July 15, 2008) - Petro-Canada will host a conference call for analysts and investors on Thursday, July 24, 2008 at 7:00 a.m. Mountain time (9:00 a.m. Eastern time) to discuss second quarter results, which will be released on July 24, 2008. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on July 24, a postview of the conference call will be available until October 22, 2008.

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

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

Date: July 24, 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 October 22, 2008
by calling 1-800-408-3053 (North America) or
416-695-5800; pass code: 3264059#

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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