Tomson Group Limited — Earnings Release 2025

Mar 5, 2026

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.

TOMSON GROUP LIMITED

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 258)

POSITIVE PROFIT ALERT

This announcement is made by the Company under Part XIVA of the SFO and pursuant to Rule 13.09(2)(a) of the Listing Rules.

The Board wishes to inform that based on a preliminary assessment, the Group is expected to record a substantial increase of approximately 3 times to 4 times in its consolidated profit after taxation attributable to the Shareholders for the year ended 31st December, 2025 as compared with that of HK$176.79 million for the corresponding period in 2024.

Shareholders and potential investors are advised to exercise caution when dealing in the shares of the Company.

This announcement is made by Tomson Group Limited (the "Company", and when together with its subsidiaries, the "Group") under Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong) ("SFO") and pursuant to Rule 13.09(2)(a) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Listing Rules").

The board of directors of the Company (the "Board") wishes to inform shareholders of the Company (the "Shareholders") and potential investors that the Group is expected to record a substantial increase of approximately 3 times to 4 times in its consolidated profit after taxation attributable to the Shareholders for the year ended 31st December, 2025 as compared with that of HK$176.79 million for the corresponding period in 2024.

Such expected increase in the consolidated profit of the Group is mainly attributable to the recognition of considerable sale proceeds of the first phase of Tomson Foresta, a residential development of the Group in Shanghai, the People's Republic of China, after delivery of the properties to the buyers during the year under review.

The Company is in the process of finalizing the annual results of the Group for the year ended 31st December, 2025. The information contained in this announcement is only based on a preliminary assessment by the Company with reference to the information currently available and the consolidated management accounts of the Group, which have neither been confirmed

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nor audited by the Company’s auditor and may be subject to adjustments. Details of the audited consolidated annual results of the Group for the year ended 31st December, 2025 are expected to be announced by the Company by the end of March 2026.

Shareholders and potential investors are advised to exercise caution when dealing in the shares of the Company.

By Order of the Board of
TOMSON GROUP LIMITED
Hsu Feng
Chairman and Managing Director

Hong Kong, 5th March, 2026

As at the date of this announcement, the Board comprises three executive directors, Madam Hsu Feng (Chairman and Managing Director), Mr Albert Tong (Vice-Chairman) and Mr Tong Chi Kar Charles (Vice-Chairman), and three independent non-executive directors, Mr Cheung Siu Ping, Oscar, Mr Lee Chan Fai and Mr Ng Chi Him.

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