The board of directors of CHYY Development Group Limited announced that Mr. Zhang Wei (?Mr. Zhang?) has been appointed as an executive Director of the Company, with effect from 28 March 2024. Mr. Zhang aged 50, graduated from China Agricultural University in 1996 and major in agricultural and water resources, and was awarded a bachelor degree. From 1996 to 2018, he worked in Beijing Fengtai District Water Conservancy Bureau, and was engaged in water conservancy project design, construction and project quality supervision and management.

In 2012, he was appointed as the deputy director of the Beijing Fengtai District Water Conservancy Bureau, in charge of engineering, construction, demolition and finance. He joined Lingnan Water Group Limited in December 2018 and served successively as deputy general manager and executive deputy general manager, responsible for cost control. In 2021, he was appointed as general manager and presided over the company's overall work.

Mr. Zhang joined the Company since August 2022. He has successively served as executive vice president, deputy chief engineer and chief safety officer of CHYY Development Group Limited, deputy general manager and engineering center deputy general manager of Ever Source Science & Technology Development Group Co. Ltd., and deputy general manager of Ever Source Ground Energy Heating and Cooling Technology Service Company.

General manager and chief engineer, general manager of Beijing Ever Source Environmental System Installation Limited, and general manager of Ever Source Technology Development Group Pizhou Co. Ltd. Mr. Zhang is currently the chief security officer of CHYY Development Group Limited, deputy general manager of the Group's grand source energy industry and executive deputy manager of the operation and maintenance center, chairman of Ever Source Science and Technology Development Group Co. Ltd. and chief engineer of Ever Source Ground Energy Heating and Cooling Technology Service Company.

Mr. Zhang Wei has accumulated considerable experience in project construction, construction management, and safety production.