The board of directors of Kunming Dianchi Water Treatment Co., Ltd. announced that Ms. Yu Yanbo (Ms. Yu), a non-executive director of the company, tendered her resignation as a non-executive director of the company to the Board on 21 October 2022 due to work re-arrangement and her resignation will take effect on the day when the new non-executive Director to replace her is elected and appointed at the general meeting to be convened by the company. Mr. Yin Xiaobing (Mr. Yin), an independent non-executive director of the company, tendered his resignation as an independent non-executive director, chairman of the audit committee, chairman of the nomination committee, member of the remuneration and appraisal committee and member of the strategy and investment decision committee of the company to the board on 21 October 2022 due to work re-arrangement and his resignation will take effect on the day when the new independent non-executive director to replace him is elected and appointed at the general meeting to be convened by the company.