Certain Ordinary Shares of Atour Lifestyle Holdings Limited are subject to a Lock-Up Agreement Ending on 6-SEP-2023. These Ordinary Shares will be under lockup for 91 days starting from 7-JUN-2023 to 6-SEP-2023.

The company, Mr. Haijun Wang, its founder, Chairman of Board of Directors and Chief Executive Officer, and the Selling Shareholder have agreed with the underwriters, subject to certain exceptions, not to sell, transfer or otherwise dispose of any ADSs, ordinary shares or similar securities or any securities convertible into or exchangeable or exercisable for its ordinary shares or ADSs, for a period ending 90 days after the date of the prospectus.