Page 88 - Suncor AR English

The following report is provided by management in respect of the company’s internal control over financial reporting

(as defined in Rule 13a-15(f) and 15d-15(f) under the U.S. Securities Exchange Act of 1934):

MANAGEMENT’S REPORT ON INTERNAL CONTROL

OVER FINANCIAL REPORTING

1. Management is responsible for establishing and maintaining adequate internal control over the company’s financial

reporting.

2. Management has used the Committee of Sponsoring Organizations of the Treadway Commission (COSO) framework
(1992) in Internal Control – Integrated Framework to evaluate the effectiveness of the company’s internal control over

financial reporting.

3. Management has assessed the effectiveness of the company’s internal control over financial reporting as at
December 31, 2013, and has concluded that such internal control over financial reporting was effective as of that
date. Additionally, based on this assessment, management determined that there were no material weaknesses in

internal control over financial reporting as at December 31, 2013. Because of inherent limitations, systems of internal
control over financial reporting may not prevent or detect misstatements and even those systems determined to be

effective can provide only reasonable assurance with respect to financial statement preparation and presentation.

4. The effectiveness of the company’s internal control over financial reporting as at December 31, 2013 has been audited
by PricewaterhouseCoopers LLP, independent auditor, as stated in their report which appears herein.

24JAN201412131059

27FEB201405100921

Steve W. Williams
Stephen D.L. Reynish
Interim Chief Financial Officer
President and Chief Executive Officer

February 28, 2014

84 SUNCOR ENERGY INC. ANNUAL REPORT 2013