EX-99.3 4 a2196757zex-99_3.htm EXHIBIT 99.3
QuickLinks -- Click here to rapidly navigate through this document


EXHIBIT 99-3


Consent of PricewaterhouseCoopers LLP


LOGO

 
   

  PricewaterhouseCoopers LLP
Chartered Accountants

111 5th Avenue SW, Suite 3100
Calgary, Alberta
Canada T2P 5L3
Telephone +1 (403) 509 7500
Facsimile +1 (403) 781 1825

CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to inclusion in this Annual Report on Form 40-F and the incorporation by reference in the registration statements on Form S-8 (File No. 333-87604), Form S-8 (File No. 333-112234), Form S-8 (File No. 333-118648), Form S-8 (File No. 333-124415), Form S-8 (File No. 333-149532), Form S-8 (File No. 333-161021), Form S-8 (File No. 333-161029), Form F-9 (File No. 333-140797) and Form F-9 (File No. 333-151347) of Suncor Energy Inc., of our report dated February 26, 2010 relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appears in the Annual Report to Shareholders.

GRAPHIC

Chartered Accountants
Calgary, Alberta
March 5, 2010




QuickLinks

Consent of PricewaterhouseCoopers LLP