SCHEDULE 13G/A 0001701717 XXXXXXXX LIVE 2 Class A ordinary shares, par value $0.0001 per share 12/31/2025 0001853717 Atour Lifestyle Holdings Ltd 04965M106 1ST FLOOR, WUZHONG BUILDING 618 WUZHONG ROAD, MINHANG DISTRICT SHANGHAI F4 00000 Rule 13d-1(c) First Beijing Investment Ltd b K3 5294895.00 0.00 17433312.00 0.00 17433312.00 5.1 OO Exempt Reporting Advisor Atour Lifestyle Holdings Ltd 1ST FLOOR, WUZHONG BUILDING, 618 WUZHONG ROAD, MINHANG DISTRICT, SHANGHAI, CHINA, 00000 First Beijing Investment Limited 16th Floor, On Building, 162 Queens Road, Central, Hong Kong Hong Kong Y These 17,433,312 Class A ordinary shares represent 5,811,104 ADSs (each representing 3 Class A ordinary shares) of the Issuer. There is no CUSIP number assigned to the ordinary shares, CUSIP number 04965M106 has been assigned to the American Depositary Shares ("ADS") of the Issuer. Each ADS represents three Class A ordinary shares, which are quoted on the Nasdaq Global Select Market under the symbol "ATAT". 5.11%. The ownership is calculated based on 340,876,937 Class A ordinary shares of the Issuer outstanding as of December 31, 2024, according to the Form 20-F filed by the Issuer with Securities and Exchange Commission (the "SEC") on April 25, 2025. These 5,294,895 Class A ordinary shares represent 1,764,965 ADSs (each representing 3 Class A ordinary shares) of the Issuer. 0 17,433,312. Same as Item 4.(a) 0 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. First Beijing Investment Ltd LI JINGWEI 02/17/2026