Tristone Capital Global Energy Forum

May 13-15, 2008

Oil Sands of Canada Conference

May 5, 2008

www.wsw.com/webcast/rj36/opc.to

2008 Annual General Meeting

Tuesday, April 29, 2008; 9:00 a.m. MDT

Click here to listen to the webcast

Click here to view the presentation

Q108 Conference Call

Tuesday, April 29, 2008; 7:00 a.m. MDT (9:00 a.m. EDT)

Click here to listen to the webcast

April 2008 Corporate Presentation

Click here to view the presentation

Credit Suisse Global Leveraged Finance Conference

March 25, 2008; 3:50 p.m. Calgary Time

Click here to listen to the webcast

Click here to view the presentation