Change of co-CEO

(A joint stock company incorporated in the People’s Republic of China with limited liability) (Stock Code: 2352) CHANGE OF CO-CEO The board (the "Board") of directors (the "Directors") of DOWELL SERVICE GROUP CO. LIMITED* 東原仁知城市運營服務集團股份有限公司（the "Company"，together with its subsidiaries, the "Group") hereby announces that with effect from 17 June 2026, Ms. Luo Shaoying ("Ms. Luo") has tendered her r