China Daye Non-Ferrous Metals Mining Limited issued a shareholder notification on 24 September 2026 confirming that its 2026 Interim Report—together with all accompanying corporate communications—is now available in both English and Chinese on the company’s website (www.hk661.com) and on the Hong Kong Stock Exchange’s HKEXnews portal (www.hkexnews.hk).

Key points from the announcement are as follows:

1. Report Availability • The Interim Report 2026 can be accessed immediately online. • Both language versions are provided in full via the company’s and HKEXnews’s websites.

2. Preference for Electronic Communications • The board “strongly recommends” shareholders to review the web-based version of the Interim Report and future corporate materials to enhance efficiency and reduce environmental impact. • Registered shareholders who have not yet supplied a functional email address are encouraged to do so by completing and returning the enclosed Reply Form or emailing 661-ecom@vistra.com.

3. Option for Printed Copies • Shareholders experiencing difficulties with electronic access may request printed copies of the current and all future corporate communications at no charge. • To obtain hard copies, investors must fill in and sign the Reply Form and return it to Tricor Investor Services Limited, the Hong Kong branch share registrar, using the prepaid mailing label or by email. • Absent a valid email address on record, the company will send printed notices of publication and any actionable corporate documents until an email is provided.

4. Administrative Details • Requests for printed materials via Part A of the Reply Form will remain effective for all future corporate communications until written notice is given or until 31 December 2026, whichever is earlier. • Enquiries can be directed to Tricor’s hotline on (852) 2980 1333, Monday to Friday, 9:00 a.m.–6:00 p.m. (excluding Hong Kong public holidays).

The notification, signed by Chairman Mr. Xiao Shuxin, reiterates shareholders’ responsibilities to maintain up-to-date contact information to ensure timely receipt of all company communications.