On 29 April 2026, JiaChen Holding Group Limited published the following corporate documents in both English and Chinese on its website (www.jiachencn.com.cn) and the HKEX news platform (www.hkexnews.hk):

• 2025 Annual Report. • A circular detailing: – Proposed general mandates to issue new shares and to repurchase shares. – Re-election of retiring directors. – Proposed amendments to the existing memorandum and articles of association and adoption of an updated version. – Notice convening the forthcoming annual general meeting (AGM). • Form of proxy for the AGM.

Shareholders who have elected to receive printed materials will receive hard copies by post; others are encouraged to access the electronic versions. Investors preferring physical copies—or needing to update email details—should complete the enclosed reply form and return it to the Hong Kong branch registrar, Tricor Investor Services Limited, at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong, or email is-ecom@vistra.com.

A dedicated hotline, +852 2980 1333, is available from 09:00 to 18:00 (Monday to Friday, excluding public holidays) for related enquiries.