The board of directors of Jilin Province Chuncheng Heating Company Limited announced that Mr. SUN Huiyong has tendered his resignation from the position as the Chairman of the Board and a non-executive Director with effect from 21 March 2024 due to work adjustments. Upon Mr. Sun's resignation as a non-executive Director, Mr. Sun will cease to be a member of the audit committee and the chairman of the strategy committee of the Board with effect from 21 March 2024.