Wai Chun Bio-Technology Limited (Stock Code: 660) issued a notification on 31 October 2025 stating that the company’s 2024/2025 Annual Report, prepared in English and Chinese, is now accessible on its official website (www.0660.hk) and on The Stock Exchange of Hong Kong Limited’s website (www.hkexnews.hk).

Shareholders who have not provided an email address may submit the enclosed Reply Form to receive future notifications electronically rather than in print. The Reply Form must be returned via email to 660-corpcomm@unionregistrars.com.hk or by post or by hand to the Hong Kong Branch Share Registrar, Union Registrars Limited, at Suites 3301-04, 33/F., Two Chinachem Exchange Square, 338 King’s Road, North Point, Hong Kong.

For those who encounter difficulties accessing the annual report online, the company will provide a printed copy upon request, free of charge. Additional information regarding requests for printed copies and other arrangements can be found on the company’s website. For any further inquiries, the Hong Kong Branch Share Registrar can be reached at (852) 2849 3399 during regular business hours.