Bai'ao Chemical: Appointed Zhao Liangfeng as Vice General Manager and Wang Chao as Secretary of the Board.

Baiao Chemical announced that at the 17th meeting of the fifth board of directors held on November 14, 2025, the appointment proposal was approved. It was agreed to appoint Zhao Liangfeng as Deputy General Manager and Wang Chao as the Secretary of the Board of Directors, with their terms ending at the end of the current term of the board of directors. As of the disclosure date of the announcement, neither of the two individuals held shares of the company, and they had no related relationships with the company's directors, executives, controlling shareholders, or shareholders holding more than 5% of the shares. Zhao Liangfeng has rich industry experience, and Wang Chao has obtained the qualification certificate of the Shanghai Stock Exchange Board Secretary.