The board of Directors of Kunming Dianchi Water Treatment Co., Ltd. announced that, Ms. Song Hong, a non-executive Director of the Company, tendered her resignation as a non-executive Director of the Company to the Board due to change in her employment, and her resignation will take effect on 24 April 2023. Ms. Song has confirmed that she has no disagreement with the Board and there are no matters with respect to her resignation that need to be brought to the attention of the shareholders of the Company, creditors of the Company or The Stock Exchange of Hong Kong Limited.