Exhibit 99.2

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 Executive Vice President — Finance and Chief Financial Officer of Best Buy Co., Inc. (the “Company”), hereby certify that the Annual Report on Form 10-K of the Company for the fiscal year ended March 1, 2003 (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.

Date: May 29, 2003
	/s/ Darren R. Jackson
	Darren R. Jackson
	Executive Vice President — Finance
	and Chief Financial Officer