Petro-canada 6-K Current report (foreign)

Exhibit 99.1

        

April 2, 2009

Nova Scotia Securities Commission	Securities Commission of Newfoundland and Labrador
Alberta Securities Commission	Saskatchewan Financial Services Commission, Securities Division
The Manitoba Securities Commission	New Brunswick Securities Commission
Ontario Securities Commission	British Columbia Securities Commission
Prince Edward Island Securities Office	Autorité des marchés financiers
Registrar of Securities, Northwest Territories	Registrar of Securities, Yukon
Registrar of Securities, Nunavut

Dear Sirs:

RE:           PETRO - - CANADA

Pursuant to a request from the reporting issuer,  we wish to advise you of the following dates in connection with their Annual and Special Meeting of Shareholders:

DATE OF MEETING:	June 4, 2009
RECORD DATE FOR NOTICE:	April 28, 2009
RECORD DATE FOR VOTING:	April 28, 2009
BENEFICIAL OWNERSHIP DETERMINATION DATE:	April 28, 2009
SECURITIES ENTITLED TO NOTICE:	Common
SECURITIES ENTITLED TO VOTE:	Common

Yours very truly,

CIBC MELLON TRUST COMPANY

Doug Walker

Manager, Trust Central Services

cc:  CDS & Co.  (Via Fax)

cc:  daryn@petro-canada.ca

cc: alopez@petro-canada.ca

pk/NM_PetroCanadaSpecial

320 Bay Street, P.O. Box 1 - Toronto, ON M5H 4A6 - Tel. 416..643.5000 - www.cibcmellon.com 

CIBC Mellon Trust Company is a licensed user of the CIBC and Mellon trademarks