FORM 4

o Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue.
See Instruction 1(b).

(Print or Type Responses)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section
17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the
Investment Company Act of 1940

OMB APPROVAL

OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden
hours per response. . . 0.5

1. Name and Address of Reporting Person *

Thompson Mark C.

(Last) (First) (Middle)

7601 Penn Avenue South

(Street)

Richfield MN 55423

(City) (State) (Zip)

2. Issuer Name and Ticker
or Trading Symbol

Best Buy Co., Inc. BBY

3. I.R.S. Identification
    Number of Reporting
    Person, if an entity
    (voluntary)

4. Statement for
Month/Day/Year

4/14/2003

5. If Amendment, Date of
Original (Month/Day/Year)

6. Relationship of Reporting Person(s) to Issuer

(Check all applicable)

X Director

Officer (give title below)

10% Owner

Other (specify below)

7. Individual or Joint/Group
     Filing (Check Applicable Line)

   X   Form filed by One Reporting Person

      Form filed by More than One Reporting Person

Table I — Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/ Year)	2A. Deemed Execution Date, if any (Month/Day/ Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/ Year)	2A. Deemed Execution Date, if any (Month/Day/ Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock								2,300	D

Table II — Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date
(Month/Day/
Year)

3A. Deemed Execution Date, if any (Month/Day/
Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)

6. Date Exercisable and Expiration Date
(Month/Day/Year)

7. Title and Amount of Underlying Securities
(Instr. 3 and 4)

8. Price of Derivative Security
(Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)

10. Ownership Form of Derivative Securities: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date
Exercisable

Expiration
Date

Title

Amount or Number of Shares

Stock Option (Right to Buy)

$46.75

04/13/10

Common Stock

7,500

Stock Option (Right to Buy)

$37.06

04/26/11

Common Stock

7,500

Stock Option (Right to Buy)

$51.27

04/10/12

Common Stock

7,500

Stock Option (Right to Buy)

$30.98

04/14/03

7,500

04/14/03

04/13/13

Common Stock

7,500

Explanation of Responses:

/s/Nancy J. Wigchers

** Signature of Reporting Person

04/18/03

Date

Nancy J. Wigchers

Attorney-in-fact for:

Mark C. Thompson

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations.
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

http://www.sec.gov/divisions/corpfin/forms/form4.htm

Last update: 09/05/2002

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, Mark C. Thompson, hereby constitute and appoint Joseph M. Joyce, Nancy J. Wigchers, Mark Geldernick, and Joseph W. Wirth and each of them, my true and lawful attorneys-in-fact and agents, each acting alone, with full powers of substitution and resubstitution for me and in my name, place and stead, to sign any reports on Form 4 (Statement of Changes in Beneficial Ownership of Securities) and Form 5 (Annual Statement of Changes in Beneficial Ownership) relating to transactions by me in Common Stock or other securities of Best Buy Co., Inc., and all amendments thereto, and to file the same, with the Securities and Exchange Commission and the New York Stock Exchange, Inc., granting unto said attorneys-in-fact and agents, and each of them, or their substitutes, full power and authority to do and perform each and every act and thing requisite or necessary to be done, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each of them, or their substitutes, may lawfully do or cause to be done by virtue hereof. This Power of Attorney shall be effective until such time as I deliver a written revocation thereof to my above-named attorneys-in-fact and agents.

Dated: August 27, 2002	/s/ Mark C. Thompson
	Mark C. Thompson

THOMPSON MARK C 4