The board of Directors of Kunming Dianchi Water Treatment Co., Ltd. announced that Ms. Ren Na, a non-executive Director of the Company, tendered her resignation as a non-executive Director of the Company to the Board on 7 March 2023 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 2023 first extraordinary general meeting to be convened by the Company.