致登记股东之通知信函

Tongcheng Travel Holdings Limited 同程旅行控股有限公司 (Incorporated in the Cayman Islands with limited liability) (于开曼群岛注册成立的有限公司) （Stock Code 股份代号：0780） Dear Registered Shareholders Tongcheng Travel Holdings Limited (the “Company”)– Notification of publication of Circular Notice of Annual General Meeting and Proxy Form (collectively the “Current CorporateCommunications”) The Current Corporate Communications of the Company (in English and Chinese) are available on the Company’s website at www.tongchengir.com and the website of The Stock Exchange of Hong Kong Limited (the “Stock Exchange”) at www.hkexnews.hk.You may access the Current Corporate Communications through the Company’s website or by browsing through the Stock Exchange’s website.If you wish to change your means of receipt and/or choice of language of the Current Corporate Communication or all future Corporate Communications (Note) of the Company or have any queries relating to the above please contact the Company by email to TongchengSA@ly.com.By order of the Board Tongcheng Travel Holdings Limited Ma Heping Executive Director and Chief Executive Officer Hong Kong June 3 2024 Note: Corporate Communications include but are not limited to (a) an annual report; (b) an interim report; (c) a notice of meeting; (d) a listing document; (e) a circular; and (f) a proxy form.各位登记股东： 同程旅行控股有限公司（「本公司」） －有关通函、股东周年大会通告及代表委任表格（统称「本次公司通讯」）之登载通知 本公司本次公司通讯（中、英文版）已于本公司网站 www.tongchengir.com 及香港联合交易所有限公司（「联交所」）网站 www.hkexnews.hk 登载。 阁下可于本公司网站或联交所网站浏览本次公司通讯。 倘　阁下欲更改本公司本次公司通讯或所有日后公司通讯（附注）之收取方式及／或语言版本，或对上述事项有任何疑问，请电邮至TongchengSA@ ly.com与本公司联络。 承董事会命同程旅行控股有限公司执行董事兼首席执行官马和平香港，2024年6月3日附注： 公司通讯包括但不限于：(a)年度报告；(b)中期报告；(c)会议通告；(d)上市文件；(e)通函；及(f)代表委任表格。