China Environmental Technology Holdings Limited announced that with effect from 15 August 2022, the Hong Kong Branch Share Registrar and Transfer Office of the Company, Tricor Standard Limited, will change its address from Level 54, Hopewell Centre, 183 Queen's Road East, Hong Kong to: 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong. All telephone and facsimile numbers of the Branch Share Registrar will remain unchanged.