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 Non-registered Shareholders (Note 1) 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 receive the printed version(s) of the Current Corporate Communication and all future Corporate Communications (Note 2) 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 1: This letter is addressed to non-registered shareholders of the Company which means such person or company whose shares are held in the Central Clearing and Settlement System and who has notified the Company from time to time through Hong Kong Securities Clearing Company Limited that he/she/it wishes to receive the Corporate Communications. If you have sold or transferred your shares held in the Company please disregard this letter.Note 2: 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.各位非登记股东(附注1): 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 阁下欲收取本公司本次公司通讯及所有日后公司通讯(附注2)的印刷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1:此为致本公司股份非登记股东。非登记股东指所持有的本公司股份存放于中央结算及交收系统的人士或公司,透过香港中央结算有限公司不时向本公司发出通知,表示欲收取公司通讯。倘阁下已出售或转让所持有的本公司股份,则毋须理会本函件。 附注2: 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。