X0306 4 2013-05-03 0001062449 BUFFALO WILD WINGS INC BWLD 0001512362 Decker Emily C. 5500 WAYZATA BLVD. SUITE 1600 MINNEAPOLIS MN 55416 1 VP, Gen Counsel & Secretary Common Stock 2013-05-03 4 M 0 422 53.75 A 6252 D Common Stock 2013-05-03 4 S 0 672 92.0463 D 5580 D Stock Option (right to buy) 53.75 2013-05-03 4 M 0 422 0 D 2017-12-31 Common Stock 422 421 D Includes 154 shares acquired on May 1, 2013 under the Company's employee stock purchase plan. Reflects the weighted average price of 672 shares of common stock of Buffalo Wild Wings, Inc. sold by the reporting person in multiple transactions on May 3, 2013 with sale prices ranging from $92.04 to $92.05 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. The option vests as follows: 211 shares on December 25, 2011 and December 30, 2012; 210 shares on December 29, 2013 and 211 shares on December 28, 2014. /s/ Julie M. Regnier, Attorney-in-Fact for Emily Decker 2013-05-07