The board of directors China Gas Industry Investment Holdings Co. Ltd. announced that with effect from 1 June 2023, the address of the principal place of business in Hong Kong of the Company will be relocated from Unit 2910, 29/F., Bank of America Tower, 12 Harcourt Road, Hong Kong to: Unit 2704A, 27th Floor, 9 Queen's Road Central, Central, Hong Kong. All telephone and facsimile numbers of the principal place of business will remain unchanged.