Best Buy (BBY) 10-Q 2010 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. §1350 (adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002), I, the undersigned Chief Executive Officer of Best Buy Co., Inc. (the “Company”), hereby certify that the Quarterly Report on Form 10-Q of the Company for the quarterly period ended August 29, 2009 (the “Report”), fully complies with the requirements of section 13(a) or 15 (d) of the Securities Exchange Act of 1934, as amended, and that information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

Date: October 6, 2009	/s/ BRIAN J. DUNN
	Brian J. Dunn
	Chief Executive Officer