X0306 4 2017-09-14 0 0001636222 Wingstop Inc. WING 0001644364 Kruguer Lawrence C/O WINGSTOP INC. 5501 LBJ FREEWAY, 5TH FLOOR DALLAS TX 75240 0 1 0 0 President of International Common Stock 2017-09-14 4 M 0 10526 16.10 A 22116 D Common Stock 2017-09-14 4 S 0 10526 33.669 D 11590 D Stock Options (Right to Buy) 16.10 2017-09-14 4 M 0 10526 0.00 D 2025-06-11 Common Stock 10526 0 D The sale by Mr. Kruguer was undertaken for portfolio diversification purposes. The shares of Common Stock reported herein as being sold were sold at a range between $33.65 and $33.67 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The reporting person undertakes to provide to Wingstop Inc., any security holder of Wingstop Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The 9/14/2017 transaction represented approximately 13.2% of Mr. Kruguer's total beneficial ownership of common stock (including options and restricted stock units) at that time (80,025). The options are fully vested and exercisable. /s/ Darryl R. Marsch, as attorney-in-fact 2017-09-18