Yunnan Water Investment Co., Limited announced resignation of Liu Jianjun as the general manager of the Company with effect from 27 March 2024. The Board announced that Mr. Zheng Guangfeng ("Mr. Zheng") has been appointed as the general manager of the Company with effect from 27 March 2024. Mr. Zheng Guangfeng ("Mr. Zheng"), aged 52, is a member of the Chinese Communist Party.

He obtained a bachelor degree of engineering in electronic precision machinery from Nanjing University of Science and Technology in June 1995. Mr. Zheng currently serves as the interim member of the Commission for Discipline Inspection, assistant to the president and supervisor of Beijing OriginWater. He served as the human resources and administration manager of Shougang NEC Electronics Co.

Ltd. from July 1995 to August 2002; the human resources and administration manager of Tongfang Microelectronics Co. Ltd. from August 2002 to August 2005; the director of human resources of Tsinghua Tongfang Artificial Environment Co. Ltd. from August 2005 to July 2010; the human resources and administration director of the Beijing OriginWater, member of the Party Committee, chairman of the trade union, assistant to the president, interim member of the Commission for Discipline Inspection, chairman and supervisor of the Board of Supervisors from July 2010 to date.