EXHIBIT 1

NOTICE OF CHANGE OF DIRECTORS, DATED APRIL 28, 2005

CANADA BUSINESS CORPORATIONS ACT FORM 6 NOTICE OF DIRECTORS OR NOTICE OF CHANGE OF DIRECTORS			LOI SUR LES SOCIÉTÉS COMMERCIALES CANADIENNES FORMULE 6 AVIS DES ADMINISTRATEURS OU AVIS DE CHANGEMENT DES ADMINISTRATEURS
1 - Name of Corporation - Dénomination de la société					2 - Corporation No. - No de la société
SUNCOR ENERGY INC.					241769-3
3 -	The following persons became directors of this corporation:			Les personnes suivantes sont devenues administrateurs de la présente société:
	Effective Date - Date d’entrée en vigueur — April 28, 2005
Name - Nom		Residential Address - Adresse résidentielle		Occupation			Citizenship Citoyenneté
Not Applicable
4 -	The following persons ceased to be directors of this corporation:			Les personnes suivantes ont cessé d’être administrateurs de la présente société:
	Effective Date - Date d’entrée en vigueur — April 28, 2005
Name - Nom		Residential Address - Adresse résidentielle
SUSAN E. CROCKER		11 Soho Street, Suite 601
		Toronto, Ontario, M5T 3L7
5 - The directors of this corporation now are:				Les administrateurs de la présente société sont maintenant:
Name - Nom		Residential Address - Adresse résidentielle		Occupation		Citizenship Citoyenneté
See Schedule “A” attached hereto and forming a part hereof
Date		Signature		Description of Office - Description du poste
		“JANICE B. ODEGAARD”
April 28, 2005		JANICE B. ODEGAARD		Vice President, Associate General Counsel and Corporate Secretary

SCHEDULE “A” TO A NOTICE OF CHANGE OF DIRECTORS

OF SUNCOR ENERGY INC.

DATED THE 28TH DAY OF APRIL, 2005

5 - The directors of this corporation now are:		Les administrateurs de la présente société sont maintenant:
Name - Nom	Residential Address - Adresse résidentielle		Occupation	Citizenship Citoyenneté
BENSON, Mel E.	713A Fifth Street N.E. Calgary, Alberta T2E 3W7		Businessman	Canadian
CANFIELD, Brian A.	289 Marine Drive, Box 1311 Point Roberts, Washington U.S.A.98281		Executive	Canadian
DAVIES, Bryan P.	5160 Yonge Street, 17th Floor North York, Ontario M2N 6L9		Executive	Canadian
FELESKY, Brian A.	5000, 150 Sixth Avenue S.W. Calgary, Alberta T2P 3Y7		Lawyer	Canadian
FERGUSON, John T.	1400, 9915 - 108 Street Edmonton, Alberta T5J 2G8		Executive	Canadian
FORD, W. Douglas	26210 Woodlyn Drive Bonita Springs, Florida U.S.A. 34134		Businessman	American
GEORGE, Richard L.	112 Fourth Avenue S.W., Box 38 Calgary, Alberta T2P 2V5		Executive	Canadian
HUFF, John R.	11911 FM 529 Houston, Texas U.S.A.TX 77041		Executive	American
KORTHALS, Robert W.	77 King Street West, Suite 4545 Toronto, Ontario M5K 1K2		Executive	Canadian
McCAIG, M. Ann	5909 Elbow Drive S.W. Calgary, Alberta T2V 1H7		Businesswoman	Canadian
O’BRIEN, Michael W.	205 Carey, Unit 25 Canmore, Alberta T1W 2R7		Businessman	Canadian
SHAW, JR	900, 630 Third Avenue S.W. Calgary, Alberta T2P 4L4		Businessman	Canadian