144/A 0000950103-25-006324 0001965684 XXXXXXXX LIVE 0001853717 Atour Lifestyle Holdings Ltd 001-40540 1st Floor, Wuzhong Building, 618 Wuzhong Road, Minhang District Shanghai F4 201103 86-21-6405-9928 Haijun Wang Officer & Director ADS (3 equal 1 CL.A common) J.P. Morgan Securities LLC

390 Madison Avenue, 6th Floor New York NY 10017

645221 19111446.02 138185951 05/23/2025 NASDAQ ADS (3 equal 1 CL.A common) UBS Securities LLC

1285 Avenue of the Americas New York NY 10019

645221 19111446.02 138185951 05/23/2025 NASDAQ ADS (3 equal 1 CL.A common) 03/29/2021 Founders shares (held on behalf of certain third-party minority investor) Atour Lifestyle Holdings Limited N 645221 05/23/2021 For services rendered Y The 645,221 ADSs to be sold pursuant to this notice are held and being sold by Sea Pearl Worldwide Holding Limited (which is controlled by Mr. Haijun Wang) for the benefit of certain third-party minority investor. Mr. Haijun Wang and Sea Pearl Worldwide Holding Limited exercise voting power over such ADSs before such sale. This is an amendment to the Form 144 filed on 5/22/2025 solely to include an additional broker. It is intended that the same amount of 645,221 ADSs will be offered through the two brokers listed. 05/23/2025 /s/ Haijun Wang