The board of directors of Chiho Environmental Group Limited announced that Prof. Yan Guowan has tendered her resignation as an independent non-executive Director with effect from 24 May 2024 due to her desire to devote more time on other personal endeavors. Upon her resignation, Prof. Yan ceased to be a chairlady of the audit committee and a member of each of the nomination committee and the remuneration committee of the Company. Prof. Yan has confirmed that she has no disagreement with the Board and there is no matter in relation to her resignation that needs to be brought to the attention of the shareholders of the Company and The Stock Exchange of Hong Kong Limited.