FORM 6-K

 

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

 

Report of Foreign Private Issuer
Pursuant to Rule 13a - 16 or 15d - 16 of
the Securities Exchange Act of 1934

 

For the month of: March 2007

 

Commission File Number: 1-12384

 

SUNCOR ENERGY INC.

(Name of registrant)

 

112 Fourth Avenue S.W.

P.O. Box 38

Calgary, Alberta

Canada, T2P 2V5

 

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

 

Form 20-F

o

Form 40-F

x

 

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the SEC pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:

 

Yes

o

No

x

 

If “Yes” is marked, indicate the number assigned to the registrant in connection with Rule 12g3-2(b):

 

N/A

 

 



 

EXHIBIT INDEX

 

Exhibit

 

Description of Exhibit

 

 

 

99.1

 

Notice of Meeting, President’s Invitation Letter to Shareholders and Management Proxy Circular, dated March 1, 2007

 

 

 

99.2

 

Form of Proxy

 

 

 

99.3

 

NI54-102 Return Card

 

2



 

SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

 

 

SUNCOR ENERGY INC.

 

 

 

 

 

 

Date: March 16, 2007

By:

“Janice B. Odegaard”

 

 

 

 

 

 

 

 

 

JANICE B. ODEGAARD

 

 

Vice President, Associate

 

 

General Counsel and
Corporate Secretary

 

3