X0306 4 2014-05-22 0001062449 BUFFALO WILD WINGS INC BWLD 0001268906 MACK WARREN E 5500 WAYZATA BLVD. SUITE 1600 MINNEAPOLIS MN 55416 1 Common Stock 2014-05-22 5 G 0 36 0 D 17933 D Common Stock 2014-08-05 5 G 0 232 0 D 17701 D Common Stock 2014-08-06 4 S 0 1000 144.52 D 16701 D Reflects the weighted average price of 1,000 shares of common stock of Buffalo Wild Wings, Inc. sold by the reporting person in multiple transactions on August 6, 2014 with sale prices ranging from $144.50 to $144.55 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. /s/ John A. Haveman, attorney-in-fact for Warren E. Mack 2014-08-07