Filed Pursuant to Rule 433
Registration No. 333-140797
September 19, 2007

Final Term Sheet

Issuer:   Suncor Energy Inc.

Size:

 

US$400,000,000

Maturity:

 

June 15, 2038

Coupon:

 

6.500%

Price:

 

100.296% of face amount

Yield to maturity:

 

6.477%

Spread to Benchmark Treasury:

 

+163bps

Benchmark Treasury:

 

4.750% due February 15, 2037

Benchmark Treasury Price and Yield:

 

98-15+ / 4.847%

Accrued interest to Company:

 

US$6,211,111.11; 6.500% accrued from and including June 28, 2007 to but excluding September 24, 2007

Interest Payment Dates:

 

June 15th and December 15th, commencing December 15, 2007

Redemption Provisions:

 

Make-whole

Make-whole call:

 

At any time at a discount rate of Treasury plus 25 basis points

Settlement:

 

T+3; September 24, 2007

CUSIP:

 

867229AE6

Ratings:

 

Moody's: A3 (stable outlook)
S&P: A- (stable outlook)

Note: A securities rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time.

The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Citigroup Global Markets Inc. toll-free at (877) 858-5407 or J.P. Morgan Securities Inc. collect at (212) 834-4533.