HSC Resources Group Limited — Earnings Release 2026

Dec 29, 2025

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.

This announcement appears for information only and does not constitute an invitation or offer to acquire, purchase or subscribe for the securities of the Company.

HSC Resources Group Limited
鴻盛昌資源集團有限公司
(Formerly known as WINDMILL Group Limited 海鑫集團有限公司)
(Incorporated in the Cayman Islands with limited liability)
(Stock Code: 1850)

PROFIT WARNING

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

After preliminary review of the unaudited consolidated management accounts of the Group for the six months ended 31 October 2025 (the "Period") and assessment of the information currently available, the board (the "Board") of directors (the "Directors") of the Company wishes to inform the shareholders of the Company (the "Shareholders") and potential investors that the Group is expected to record an unaudited consolidated loss of not less than HK$2.5 million for the Period as compared to the unaudited consolidated profit of approximately HK$2.0 million for the six months ended 31 October 2024. To the best knowledge of the Directors, the decrease in unaudited consolidated profit for the Period was mainly attributable to (i) the decrease in gross profit due to decrease in gross profit margin; and (ii) the increase in administrative expenses due to the increase in legal and professional fee.

As at the date of this announcement, the Company is still in the course of preparing and finalising the financial results of the Group for the Period. The information contained in this announcement is only based on a preliminary assessment by the Board according to the information currently available to the Company and the unaudited management accounts of the Group for the Period, which have not been finalised nor reviewed by the auditor or the audit committee of the Company and is subject to adjustments. Shareholders and potential investors are advised to refer to the details in the results announcement of the Company for the Period, which is expected to be published on 31 December 2025.

• 1 -

---

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

By order of the Board
HSC Resources Group Limited
Li Shing Kuen Alexander
Executive Director

Hong Kong, 29 December 2025

As at the date of this announcement, the Executive Directors are Mr. Li Shing Kuen Alexander, Mr. Wang Le and Ms. Ma Man Chi; and the Independent Non-executive Directors are Mr. Li Ka Chun Gordon, Ms. Ye Liping and Ms. Li Fang.

– 2 –