Hangzhou Jiuyuan Genetic Biopharmaceutical Co., Ltd. (“Jiuyuan Genetic”) has announced a final ordinary dividend of RMB 0.57 per 10 shares for the financial year ended 31 December 2025, following shareholder approval on 15 June 2026.

Key distribution terms: • Hong Kong-listed H-share investors will receive the dividend in Hong Kong dollars at HKD 0.6554 per 10 shares, based on the fixed exchange rate of RMB 1 = HKD 1.1498. • Ex-dividend trading will commence on 17 June 2026. • The last time to lodge share transfers for entitlement determination is 18 June 2026 at 16:30. • The share register will be closed from 22 June 2026 to 24 June 2026, with the record date set at 24 June 2026. • Dividend payments are scheduled for 30 July 2026.

Tax treatment: Overseas non-resident enterprise shareholders are subject to a 10% withholding tax, in line with PRC tax regulations outlined in the company’s 2025 Annual Report.

Capital base: Jiuyuan Genetic has 241.52 million issued shares, excluding 3.88 million treasury shares, which are ineligible for the dividend distribution.

This declaration confirms the company’s cash-return policy to shareholders for FY 2025, converting the RMB payout into Hong Kong dollars for H-share holders and detailing key dates for market participants.