Dingxin Communications: Elect Liu Min as Chairman.

Dingxin Communication Announcement: Due to work needs, Mr. Wang Jianhua has applied to resign from the position of Chairman of the Board and member of the Audit Committee, and will continue to serve as a director of the company and a member of the Nomination Committee. The company held a board meeting on May 20, 2025, and resolved to elect Mr. Liu Min as the Chairman of the Board and a member of the Audit Committee. At the same time, the Compensation and Assessment Committee member was adjusted from Mr. Zeng Fanyi to Mr. Liu Min, with the term of office starting from the date of approval by the board of directors until the completion of the term of the fifth board of directors.