INSIDE INFORMATION - WINDING-UP PETITION AGAINST THE HOLDING COMPANY

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.INSIDE INFORMATION WINDING-UP PETITION AGAINST THE HOLDING COMPANY This announcement is made by Sino-Ocean Service Holding Limited (the ‘‘Company’’ together with its subsidiaries the ‘‘Group’’) pursuant to Rule 13.09(2)(a) and Rule 13.25(1)(b) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the ‘‘Listing Rules’’) and the Inside Information Provisions (as defined under the Listing Rules) under Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong).The Company was informed that on 27 June 2024 Sino-Ocean Group Holding Limited (远洋集团 控股有限公司) (‘‘Sino-Ocean Group’’) received a winding-up petition (the ‘‘Petition’’) filed by The Bank of New York Mellon London Branch at the High Court of the Hong Kong Special Administrative Region (the ‘‘High Court’’) in relation to the non-repayment of certain guaranteed notes issued by a wholly-owned subsidiary of Sino-Ocean Group and guaranteed by Sino-Ocean Group. As at the date of this announcement no winding-up order has been granted by the High Court to wind up Sino-Ocean Group.As at the date of this announcement Sino-Ocean Group is the holding company (as defined under the Listing Rules) of the Company indirectly holding 755600000 shares of the Company representing approximately 63.82% of the total number of issued shares of the Company.The board of directors of the Company (the ‘‘Board’’) is of the view that the Petition will have no material impact on the financial performance and operations of the Group.The Company will closely monitor the development of the Petition and keep the public informed of any material development by making further announcement(s) as and when appropriate in accordance with the applicable rules and regulations.Holders of the Company’s securities and potential investors of the Company are advised to exercise caution when dealing in the securities of the Company.By order of the Board Sino-Ocean Service Holding Limited YANG Deyong Joint Chairman Hong Kong 28 June 2024 As at the date of this announcement the Board comprises Mr. Yang Deyong and Ms. Zhu Geying as executive directors Mr. Cui Hongjie and Mr. Hou Min as non-executive directors and Dr. Guo Jie Mr. Ho Chi Kin Sammy and Mr. Leung Wai Hung as independent non-executive directors.Sino-Ocean Service Holding Limited (Incorporated in the Cayman Islands with limited liability) Stock Code : 06677