INSIDE INFORMATION - PROFIT WARNING

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.GAIN PLUS HOLDINGS LIMITED德益控股有限公司 (Incorporated in the Cayman Islands with limited liability) (Stock Code: 9900) INSIDE INFORMATION – PROFIT WARNING This announcement is made by Gain Plus Holdings Limited (the “Company” and together with its subsidiaries the “Group”) pursuant to Rule 13.09 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 in the Listing Rules) under Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong). The board of directors of the Company (the “Board”) wishes to inform the shareholders of the Company (the “Shareholders”) and potential investors that based on the latest unaudited management accounts of the Group the management of the Company estimated that the Group expected a decrease in net profit after tax for the year ended 31 March 2024. The Company estimated that net profit after tax of the Group for the year ended 31 March 2024 would be in the range of approximately HK$30.0 million to HK$36.0 million as compared to a net profit after tax of the Group of approximately HK$56.7 million recorded by the Group for the year ended 31 March 2023.Based on the information currently available to the Board the decrease in net profit after tax is mainly due to decrease in revenue and gross profit margin derived from provision of repair maintenance addition and alteration services.The Group is still in the progress of finalising its consolidated annual results for the year ended 31 March 2024. The information contained in this announcement is only a preliminary assessment by the Board based on the latest unaudited consolidated management accounts of the Group for the year ended 31 March 2024 which have not been audited or reviewed by the auditor of the Company or audit committee of the Company and may be subject to adjustments. Shareholders and potential investors are advised to read carefully the Company’s annual results announcement for the year ended 31 March 2024 which is expected to be published by the end of June 2024. - 1 -Shareholders and potential investors are advised to exercise caution when dealing in the securities of the Company.By Order of the Board Gain Plus Holdings Limited Tsang Chiu Kwan Chairman Hong Kong 21 June 2024 As at the date of this announcement the executive directors are Mr. Tsang Chiu Kwan and Mr. Lau Ka Ho and the independent non-executive directors are Mr. So Chun Man Mr. Chen Yeung Tak and Mr. Lai Ming Ho.