X0306 4 2018-09-04 0000764478 BEST BUY CO INC BBY 0001521145 Nelsen Keith J 7601 PENN AVENUE S. RICHFIELD MN 55423 1 General Counsel & Secreta Common Stock 2018-09-04 4 M 0 14524.0000 40.8500 A 115587.0000 D Common Stock 2018-09-04 4 S 0 300.0000 80.9700 D 115287.0000 D Common Stock 2018-09-04 4 S 0 33173.0000 80.3744 D 82114.0000 D Common Stock 911.2154 I 401(k) Stock Option (Right to Buy) 40.8500 2018-09-04 4 M 0 14524.0000 40.8500 D 2015-03-12 2025-03-11 Common Stock 14524.0000 0.0000 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.965 to $80.98, inclusive. The reporting person undertakes to provide to BBY, any security holder of BBY, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.97 to $80.925, inclusive. The reporting person undertakes to provide to BBY, any security holder of BBY, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. /s/ Hannah G. Olson, Attorney-in-fact 2018-09-06