X0306 4 2019-04-04 0 0001397187 lululemon athletica inc. LULU 0001731728 Choe Michelle Sun C/O LULULEMON ATHLETICA INC. 1818 CORNWALL AVE VANCOUVER A1 V6J 1C7 BRITISH COLUMBIA, CANADA 0 1 0 0 Chief Product Officer Common Stock 2019-04-04 4 M 0 360 69.3 A 11294 D Common Stock 2019-04-04 4 M 0 2919 51.87 A 14213 D Common Stock 2019-04-04 4 S 0 360 171.02 D 13853 D Common Stock 2019-04-04 4 S 0 2919 170.96 D 10934 D Common Stock 2019-04-04 4 S 0 2891 170.87 D 8043 D Stock Option (Right to Buy) 69.3 2019-04-04 4 M 0 360 0 D 2023-12-09 Common Stock 360 359 D Stock Option (Right to Buy) 51.87 2019-04-04 4 M 0 2919 0 D 2024-03-31 Common Stock 2919 2919 D The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.87 to $170.90, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, 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 ranges stated in this footnote. These options vested as to 25% on each of December 9, 2017 and December 9, 2018. An additional 25% will vest on each of December 9, 2019 and December 9, 2020, subject to the reporting person's continued employment or association with the issuer through each such date. These options vested as to 25% on each of March 31, 2018 and March 31, 2019. An additional 25% will vest on each of March 31, 2020 and March 31, 2021, subject to the reporting person's continued employment or association with the issuer through each such date. /s/ Michelle Sun Choe by Alex Grieve, Attorney-in-Fact 2019-04-08