(A) DEREGISTRATION OF SUBSIDIARY; (B) INCORPORATION OF A SUBSIDIARY; AND (C) INCREASE IN REGISTERED SHARE CAPITAL OF SUBSIDIARIES

The Singapore Exchange Securities Trading Limited (the “SGX”) Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited (the “HKSE”) take no responsibility for the contents of this announcement make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.SIIC ENVIRONMENT HOLDINGS LTD.*上海实业环境控股有限公司 (Incorporated in the Republic of Singapore with limited liability) (Hong Kong stock code: 807) (Singapore stock code: BHK) (A) DEREGISTRATION OF SUBSIDIARY; (B) INCORPORATION OF A SUBSIDIARY; AND (C) INCREASE IN REGISTERED SHARE CAPITAL OF SUBSIDIARIES The board (the “Board”) of directors (the “Directors”) of SIIC ENVIRONMENT HOLDINGS LTD.(“SIIC Environment” or the “Company” together with its subsidiaries the “Group”) is pleased to announce the following:- (A) Deregistration of Subsidiary The Company’s 57.9687% indirectly-owned subsidiary Zhaodong Bolan Water Co. Ltd. a company incorporated in the People’s Republic of China with limited liabilities has been deregistered (the “Deregistration”).The Deregistration is not expected to have any material impact on the consolidated net tangible assets and earnings per share of the Company for the financial year ending 31 December 2024. (B) Incorporation of a Subsidiary The Company’s 75.5% indirectly-owned subsidiary SIIC Environment Holdings (Weifang) Co. Ltd.has incorporated a 60% owned subsidiary (the “Incorporation”). The details of the newly incorporated subsidiary are as follows: Name of company : Weifang City Weicheng District Western Water Treatment Co. Ltd.Place of Incorporation : The People’s Republic of ChinaRegistered Capital : RMB10000000 Principal activities : Wastewater treatment and reclamation The Incorporation is funded through internal resources of the Group and is not expected to have any material impact on the consolidated net tangible assets and earnings per share of the Company for the financial year ending 31 December 2024. (C) Increase in Registered Share Capital of Subsidiaries The Company’s 98.86% indirectly-owned subsidiary S.I. United (Zaozhuang) Sewage Treatment Co.Ltd. (“S.I. United Zaozhuang”) has increased its registered capital from RMB 43 million to RMB 53 million (the “Increase in Share Capital of S.I. United Zaozhuang”). The Company’s 75.5% indirectly-owned subsidiary SIIC Environment (Zaozhuang Yicheng) Waste Water Treatment Co. Ltd. (“SIIC Zaozhuang Yicheng”) has increased its registered capital from RMB 15 million to RMB 36 million (the “Increase in Share Capital of SIIC Zaozhuang Yicheng”).Upon completion of the Increase in Share Capital of S.I. United Zaozhuang and the Increase in Share Capital of SIIC Zaozhuang Yicheng the shareholding of the respective shareholders would remain unchanged.The Increase in Share Capital of S.I. United Zaozhuang and the Increase in Share Capital of SIIC Zaozhuang Yicheng are funded through the Group’s internal resources and are not expected to have any material impact on the consolidated net tangible assets and earnings per share of the Company for the financial year ending 31 December 2024.None of the Directors controlling shareholders or substantial shareholders of the Company has any interest direct or indirect in the Deregistration the Incorporation the Increase of Share Capital of S.I. United Zaozhuang and the Increase in Share Capital of SIIC Zaozhuang Yicheng save for their shareholdings in the Company.By Order of the Board SIIC ENVIRONMENT HOLDINGS LTD.Mr. Zhu Dazhi Executive Director Hong Kong and Singapore 12 July 2024As at the date of this announcement the chairman of the board of Directors and the executive Director is Mr. Zhou Yuding; the executive Directors are Mr. Zhu Dazhi Mr. Xu Xiaobing Mr. Jiang Kai and Mr. Yang Xing; and the independent non-executive Directors are Ms. Kimmis Pun Kim Ming Mr. An Hongjun and Mr. Zhong Ming.* For identification purpose only