Date of Board Meeting

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited 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.Integrated Waste Solutions Group Holdings Limited综合环保集团有限公司 (Incorporated in the Cayman Islands with limited liability stock code: 923) DATE OF BOARD MEETING The board of directors (the “Board”) of Integrated Waste Solutions Group Holdings Limited (the “Company”) hereby announces that a meeting of the Board will be held on Wednesday 26 June 2024 for the purpose of among other matters approving the release of the announcement of consolidated annual results of the Company and its subsidiaries for the year ended 31 March 2024 and considering the recommendation for payment of dividend if applicable.By order of the Board Integrated Waste Solutions Group Holdings Limited Cheng Chi Ming Brian Chairman Hong Kong 13 June 2024 As at the date of this announcement the Board comprises two Executive Directors namely Messrs. Lam King Sang and Tam Sui Kin Chris; two Non-executive Directors namely Messrs. Cheng Chi Ming Brian (Chairman) and Lee Chi Hin Jacob; and three Independent Non-executive Directors namely Messrs. Chow Shiu Wing Joseph Wong Man Chung Francis and Chan Ting Bond Michael.