Notification Letter to Registered Shareholders and Reply Form

The following document(s) of China Biotech Services Holdings Limited (“Company”) has/have been prepared in English and Chinese and is/are available on the websites of the Company at www.cbshhk.com and The Stock Exchange of Hong Kong Limited at www.hkexnews.hk (collectively “Websites”):- • Interim Report 2026 If you have not provided us with an email address but now would like to receive an email n