On 30 September 2026, JOINN Laboratories (China) Co., Ltd. announced that the English and Chinese versions of its 2026 Interim Report are now available on both the company’s website (www.joinnlabs.com) and the Hong Kong Stock Exchange’s HKEXnews platform (www.hkexnews.hk).

The board, chaired by Ms. Feng Yuxia, highlighted the following points:

• Access to reports: The “Website Version” of the interim results can be viewed and downloaded free of charge from the two online platforms. • Printed copies: Registered shareholders who previously elected to receive hard copies—or who now prefer them—can request the printed report at no cost by completing and returning the enclosed reply form to Tricor Investor Services Limited, the company’s H-share registrar, at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong. • E-mail registration: Shareholders are responsible for providing a valid e-mail address to ensure receipt of electronic notifications for future corporate communications. An updated address can be supplied via the reply form or by e-mail to is-ecom@vistra.com. • Default arrangement: Until a valid e-mail address is on file, the company will send notices of publication and actionable corporate documents in printed form. • Investor enquiries: For assistance, shareholders can contact Tricor’s hotline on +852 2980 1333, Monday to Friday, 9:00 a.m.–6:00 p.m. (excluding Hong Kong public holidays).

The notice reiterates that corporate communications include directors’ reports, annual and interim reports, meeting notices, listing documents, circulars, proxy forms and any materials requiring shareholder action. JOINN encourages electronic delivery to enhance efficiency and reduce environmental impact.