CALGARY--(CCNMatthews - Dec. 20) - Petro-Canada (TSX: PCA, NYSE: PCZ) - Petro- Canada has reached an agreement to sell the company holding its producing assets in Syria to a joint venture of companies owned by India's Oil and Natural Gas Corporation (ONGC) Limited and the China National Petroleum Corporation (CNPC) for EUR 484 million ($676 million Cdn(*)), before adjustments. The sale is retroactive to July 1, 2005 and is expected to close in early 2006, subject to Syrian government consent.

CALGARY--(CCNMatthews - Dec. 15) - Petro-Canada's board of directors approved a capital and exploration expenditure program totalling $3.4 billion for 2006, about equal to the program in 2005.

CALGARY--(CCNMatthews - Nov. 28) - Petro-Canada (TSX: PCA, NYSE: PCZ) will host a conference call for analysts, investors and the media on Thursday, December 15, 2005 at 2:30 p.m. Mountain time (4:30 p.m. Eastern time) to discuss Petro- Canada's 2006 Capital and Exploration Expenditure Program and Production Outlook, which will be released on December 15, 2005. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on December 15, a postview of the conference call will be available on Petro-Canada's website.

OTTAWA--(CCNMatthews - Nov. 16) - The Canadian Institute of Child Health (CICH) is pleased to announce Petro-Canada as the recipient of its 2005 Corporate Award in recognition of the company's broad range of programs and services devoted to building self-esteem and confidence in youth.

TORONTO--(CCNMatthews - Nov. 8) - Imagine Canada today will recognize the Centre for Affordable Water and Sanitation Technology (CAWST) and Petro-Canada for their Water for Life program - an initiative aimed at providing improved water to the poor of developing countries. The partners will receive an honourable mention at Imagine Canada's New Spirit of Community Partnership Awards in Toronto tonight.

CALGARY--(CCNMatthews - Oct. 31) - 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.

CALGARY--(CCNMatthews - Oct. 27) - Petro-Canada announces a quarterly dividend of $0.10 per share on the outstanding common shares of the Corporation, payable on January 1, 2006 to shareholders of record at the close of business on December 3, 2005.

CALGARY--(CCNMatthews - Oct. 27) - Petro-Canada announced today third quarter earnings from operations adjusted for unusual items of $659 million ($1.27/share), up 38% from $477 million ($0.90/share) in the same quarter of 2004. Third quarter 2005 cash flow was $1,063 million ($2.05/share), compared with $869 million ($1.63/share) in the same quarter of last year. Cash flow is before changes in non-cash working capital.

CALGARY--(CCNMatthews - Oct. 5) - Petro-Canada (TSX: PCA, NYSE: PCZ) - Petro-Canada will host a conference call for analysts and investors on Thursday, October 27, 2005 at 7:00 a.m. Mountain time (9:00 a.m. Eastern time) to discuss third quarter results, which will be released on October 27, 2005. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on October 27, a post audio of the conference call will be available on Petro-Canada's website.

CALGARY--(CCNMatthews - Sept. 9) - Petro-Canada (TSX: PCA, NYSE: PCZ) - Petro- Canada will host an International investor half-day session in London, England on Tuesday morning, September 13, 2005 to provide investors and analysts with an opportunity to hear about the strategy and operational plans of our International business unit. Attendance is by invitation only, but media are welcome to listen in via webcast or teleconference, starting at 9:05 a.m. British Summer Time (2:05 a.m. Mountain Daylight Time).

CALGARY--(CCNMatthews - Sept. 7) - Petro-Canada (TSX: PCA, NYSE: PCZ) - Harry Roberts, Executive Vice-President and Chief Financial Officer at Petro-Canada will present at the Ninth Annual Peters & Co. North American Oil & Gas Conference in Toronto on Tuesday, September 13, 2005 at 9:15 a.m. EDT (7:15 a.m. MDT). The presentation will include information on Petro-Canada's performance, growth strategy and outlook.

CALGARY--(CCNMatthews - Sept. 6) - Petro-Canada (TSX: PCA, NYSE: PCZ) - Petro-Canada today announced that it has entered into an agreement with Teck Cominco that will see the Vancouver-based mining company acquire a working interest in the Fort Hills oil sands project. Under the terms of the agreement with Petro-Canada and partner UTS Energy Corporation (UTS), Teck Cominco will assume a 15 per cent interest in Fort Hills. Petro-Canada will remain project operator with a 55 per cent interest, with UTS holding a 30 per cent stake.

CALGARY--(CCNMatthews - Aug. 31) - Petro-Canada (TSX: PCA, NYSE: PCZ) - Andrew Stephens, Vice-President, Corporate Planning and Communications at Petro- Canada will present at the Lehman Brothers 2005 CEO Energy/Power Conference in New York on Wednesday, September 7, 2005 at 1:45 p.m. EDT (11:45 a.m. MDT). The presentation will include information on Petro-Canada's performance, growth strategy and outlook.

CALGARY--(CCNMatthews - July 26) - Petro-Canada will host a conference call for analysts and investors on Wednesday, July 27, 2005 at 7:00 a.m. Mountain time (9:00 a.m. Eastern time) to discuss second quarter results, which will be released on July 26, 2005. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on July 27, a post audio of the conference call will be available until October 26, 2005.

CALGARY--(CCNMatthews - July 26) - Petro-Canada acknowledged today that an unapproved copy of its second quarter results was mistakenly released in French by Canada Newswire at 4pm EST. Quarterly releases must be approved by the company's Board of Directors prior to release.

CALGARY--(CCNMatthews - July 26) - Petro-Canada announced today second quarter earnings from operations adjusted for unusual items of $525 million ($2.02/share), up 8% from $485 million ($1.82/share) in the same quarter of 2004. Second quarter 2005 cash flow was $934 million ($3.60/share), compared with $856 million ($3.22/share) in the same quarter of last year. Cash flow is before changes in non-cash working capital.

CALGARY--(CCNMatthews - July 26) - Petro-Canada today announced a 33% increase in the quarterly dividend to $0.20 per share and a 100% stock dividend that will double the number of outstanding common shares.

CALGARY--(CCNMatthews - July 6) - Petro-Canada will host a conference call for analysts and investors on Thursday, July 28, 2005 at 7:00 a.m. Mountain time (9:00 a.m. Eastern time) to discuss second quarter results, which will be released on July 28, 2005. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on July 28, a post audio of the conference call will be available until October 26, 2005.

CALGARY--(CCNMatthews - June 27) - Ron Brenneman, President & Chief Executive Officer and Brant Sangster, Senior Vice-President - Oil Sands will host an Investor Update meeting in New York to discuss Petro-Canada's strategic direction and provide an update on its Oil Sands strategy.

LONDON, UK--(CCNMatthews - June 23) - Petro-Canada (TSX: PCA, NYSE: PCZ) - Petro-Canada's Pict development, located in block 21/23b in the United Kingdom (U.K.) Central North Sea, achieved first oil on June 19, 2005.

CALGARY--(CCNMatthews - June 20) - Petro-Canada announced today that the Toronto Stock Exchange (TSX) approved its application to renew its Normal Course Issuer Bid (NCIB) for the repurchase of its common shares.

CALGARY--(CCNMatthews - June 17) - Petro-Canada today released its Report to the Community, outlining the company's performance in the areas of business conduct, community, environment and working conditions and human rights.

CALGARY--(CCNMatthews - June 10) - Kathleen E. Sendall, Senior Vice-President - North American Natural Gas at Petro-Canada will present at the 2005 CAPP Oil & Gas Investment Symposium in Calgary on Wednesday, June 15, 2005 at 8 a.m. MDT (10 a.m. EDT). The presentation will include information on Petro-Canada's performance, growth strategy and outlook.

CALGARY--(CCNMatthews - June 6) - The Vancouver Organizing Committee for the 2010 Olympic and Paralympic Winter Games (VANOC) is pleased to announce Petro-Canada as its National Partner in the Oil and Gas category. The eight-year agreement provides Petro-Canada with sponsorship rights for the 2010 Olympic and Paralympic Winter Games, including sponsorship rights for the Canadian Olympic Team for the Torino 2006, Beijing 2008, Vancouver 2010 and 2012 Olympic Games.

CALGARY--(CCNMatthews - June 6) - The Vancouver Organizing Committee (VANOC) for the 2010 Olympic and Paralympic Winter Games, and Petro-Canada invite media to join several hundred Petro-Canada employees, special guests and Olympic and Paralympic athletes at an employee rally to announce VANOC's National Partner in the Oil and Gas category.

CALGARY--(CCNMatthews - May 20) - Peter Kallos, Executive Vice-President - International, will present at the Orion Securities -International Oil & Gas Conference in London, England on Monday, May 23, 2005 at 12:50 p.m. GMT (6:50 a.m. MDT; 8:50 a.m. EDT). The presentation will include information on Petro-Canada's performance, growth strategy and outlook.

CALGARY--(CCNMatthews - May 11) - Petro-Canada announced it has agreed to sell to a syndicate of underwriters $600 million US of 5.95% Notes due May 15, 2035.

CALGARY--(CCNMatthews - May 3) - Brant Sangster, Senior Vice-President - Oil Sands at Petro-Canada will present at the Raymond James Oil Sands of Canada Conference in New York on Monday, May 9, 2005 at 9:25 a.m. EDT. The presentation will include information on Petro-Canada's Oil Sands strategy.

CALGARY--(CCNMatthews - April 26) - Petro-Canada announced today first quarter earnings from operations adjusted for one-time and unusual items of $456 million ($1.75 per share), down 6% from $486 million ($1.83 per share) in the same quarter of 2004. First quarter 2005 cash flow was $854 million ($3.28 per share), compared with $897 million ($3.37 per share) in the same quarter of last year. Cash flow is before changes in non-cash working capital. Strong operational performance in the North American Natural Gas, International and Downstream businesses was more than offset by lower production at Terra Nova and Syncrude, and a continuation of low realized prices for bitumen.

CALGARY--(CCNMatthews - April 26) - Petro-Canada announces a quarterly dividend of $0.15 per share on the outstanding common shares of the Corporation, payable on July 1, 2005 to shareholders of record at the close of business on June 3, 2005.

MISSISSAUGA, ON--(CCNMatthews - April 22) - Petro-Canada Retailers challenge other Toronto businesses to help make Toronto a cleaner place by participating in Mayor David Miller's "20-Minute Toronto Makeover" on Friday April 22, 2005 at 2:00pm.

CALGARY--(CCNMatthews - April 8) - Petro-Canada will host a conference call for analysts and investors on Tuesday, April 26, 2005 at 7:00 a.m. Mountain time (9:00 a.m. Eastern time) to discuss first quarter results, which will be released on April 26, 2005. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on April 26, a postview of the conference call will be available until July 27, 2005.

CALGARY--(CCNMatthews - March 24) - Petro-Canada today filed its 2004 Annual Report with securities regulatory authorities in Canada and the United States. The Annual Report contains the audited Consolidated Financial Statements and accompanying notes for the year ended December 31, 2004, as well the related Management's Discussion and Analysis. Petro-Canada also filed its Annual Information Form (AIF) for the year ended December 31, 2004.

MONTREAL--(CCNMatthews - March 23) - Petro-Canada announced today that it has acquired an interest in Coastal Petrochemical, a limited partnership between La Societe generale de financement du Quebec and an indirect subsidiary of El Paso Corporation, whose stake Petro-Canada is purchasing for approximately $34 million CAD plus associated working capital and post closing adjustments. Petro-Canada will hold 51% of the limited partnership. La Societe generale de financement du Quebec owns the remaining 49% interest.

CALGARY--(CCNMatthews - March 18) - Ron Brenneman, President & Chief Executive Officer and Brant Sangster, Senior Vice-President - Oil Sands, will host an Investor Update meeting to discuss Petro-Canada's strategic direction and provide an update on its Oil Sands strategy. The presentation will be followed by a question and answer session.

CALGARY--(CCNMatthews - March 4) - Brant Sangster, Senior Vice-President - Oil Sands at Petro-Canada will present at the FirstEnergy Oil Sands Conference in London, England on Monday, March 7, 2005 at 3:27 p.m. GMT. The presentation will include information on Petro-Canada's Oil Sands strategy.

CALGARY--(CCNMatthews - March 1) - Petro-Canada today announced that it has entered into an agreement to become a partner in the Fort Hills Oil Sands Mining Project, currently owned by UTS Energy Corporation (UTS). Under the terms of the agreement, which has been approved by the Boards of Directors of both companies, Petro-Canada will assume a 60 per cent interest and become the operator of the project. UTS will own the other 40 per cent. To pay for its stake, Petro-Canada will fund 75 per cent of UTS' share of the next $1 billion of development capital, or $300 million.

CALGARY--(CCNMatthews - Feb. 23) - Andrew Stephens, Vice-President of Corporate Planning & Communications at Petro-Canada will present at the FirstEnergy East Coast Canadian Energy Conference in New York on Wednesday, March 2, 2005 at 8:42 a.m. Eastern Time (6:42 a.m. Mountain Time). The presentation will include information on Petro-Canada's performance, growth strategy and outlook.

CALGARY--(CCNMatthews - Feb. 16) - Andrew Stephens, Vice-President of Corporate Planning & Communications at Petro-Canada will speak in Whistler, B.C. at the CIBC World Markets 2005 Institutional Investor Conference on Thursday, February 17, 2005 at 10:00 a.m. Pacific Time (1:00 p.m. Eastern Time). The presentation will include information on Petro-Canada's performance, growth strategy and outlook.

CALGARY--(CCNMatthews - Feb. 14) - Harry Roberts, Executive Vice-President and Chief Financial Officer of Petro-Canada will speak in Toronto at the Scotia Capital Crude & Refined: Canadian Oil Conference on Tuesday, February 15, 2005 at 10:45 a.m. Eastern Time. The presentation will include information on Petro-Canada's performance, growth strategy and outlook.

CALGARY--(CCNMatthews - Jan. 31) - Ron Brenneman, President and Chief Executive Officer of Petro-Canada will speak at the CSFB 2005 Energy Summit in Vail, Colorado on Friday, February 4, 2005 at 7:00 a.m. Mountain Time. The presentation will include information on Petro-Canada's performance, growth strategy and outlook.

CALGARY--(CCNMatthews - Jan. 27) - Petro-Canada announced today fourth quarter earnings from operations adjusted for one-time and unusual items of $450 million ($1.73 per share), up 60% from $281 million ($1.06 per share) in the same quarter of 2003. Fourth quarter 2004 cash flow was $1 046 million ($4.01 per share), compared with $628 million ($2.37 per share) in the fourth quarter of last year. Cash flow is before changes in non-cash working capital.

CALGARY--(CCNMatthews - Jan. 27) - Petro-Canada announced today a quarterly dividend of $0.15 per share on the outstanding common shares of the Corporation, payable on April 1, 2005 to shareholders of record at the close of business on March 3, 2005.

CALGARY--(CCNMatthews - Jan. 6) - Petro-Canada will host a conference call for analysts and investors on Thursday, January 27, 2005 at 7:00 a.m. Mountain time (9:00 a.m. Eastern time) to discuss fourth quarter results, which will be released on January 27, 2005. The media will be invited to ask questions following the analysts and investors. If you are unable to join us on January 27, a postview of the conference call will be available until April 26, 2005.