Best Buy 2011 Annual Report Download - page 67

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28APR200812362441
24APR201020214994
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements.
Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial
statement preparation and presentation.
Under the supervision and with the participation of our management, including our principal executive officer and
principal financial officer, we assessed the effectiveness of our internal control over financial reporting as of February 26,
2011, using the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in
Internal Control — Integrated Framework. Based on our assessment, we have concluded that our internal control over
financial reporting was effective as of February 26, 2011. During our assessment, we did not identify any material
weaknesses in our internal control over financial reporting. Deloitte & Touche LLP, the independent registered public
accounting firm that audited our consolidated financial statements for the year ended February 26, 2011, included in
Item 8, Financial Statements and Supplementary Data, of this Annual Report on Form 10-K, has issued an unqualified
attestation report on our internal control over financial reporting as of February 26, 2011.
Brian J. Dunn James L. Muehlbauer
Chief Executive Officer Executive Vice President — Finance
(duly authorized and principal executive officer) and Chief Financial Officer
(duly authorized and principal financial officer)
67