PCZ Petro-Canada

Petro-Canada shareholders and media are invited to attend Petro-Canada's annual general and special meeting on Thursday, June 4 at 9:00 a.m. MDT in the Wildrose Ballroom at the Sheraton Suites Eau Claire at 255 Barclay Parade S.W., Calgary, Alberta. The annual meeting of Petro-Canada has been combined with a special meeting to consider the amalgamation by way of an arrangement of Petro-Canada and Suncor.

Media are asked not to film or take pictures during the meeting. The meeting will be webcast at: http:/events.onlinebroadcasting.com/petrocanada/060409/index.php. An archive webcast of the meeting will be available at the same link, three hours after the meeting adjourns.

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. 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 under the symbol PCA and on the New York Stock Exchange under the symbol PCZ.

Contacts: Media and general inquiries: Victoria Barrington, Corporate Communications Petro-Canada (Calgary) (403) 296-8589 Investor and analyst inquiries: Lisa McMahon, Investor Relations Petro-Canada (Calgary) (403) 296-3764 Website: www.petro-canada.ca