DIAGENS-B (02526) has been included as a constituent stock in several indices of the Hang Seng Indexes Company.

DIAGENS-B (02526) announced that the company has been included in 23 Hang Seng indices by Hang Seng Indexes Company Limited, including (i) the constituent stocks of the Hang Seng Composite Index along with the Hang Seng Composite Large and Mid-cap Index, effective from September 7, 2026 (Monday); (ii) the constituent stocks of the Hang Seng Biotechnology Index, effective from September 14, 2026 (Monday); and (iii) the Hang Seng Stock Connect Artificial Intelligence Theme Index, effective from September 14, 2026 (Monday). Being included in the constituent stocks of the above Hang Seng indices signifies that the company has met the criteria for inclusion in Stock Connect trading. Stock Connect provides a channel for stock trading and investment between a wide range of capital market investors in Hong Kong and mainland China. The Board believes that the inclusion of the company in the Hang Seng Composite Index, Hang Seng Biotechnology Index, and Hang Seng Stock Connect Artificial Intelligence Theme Index reflects the capital market's recognition and confidence in the company's long-term growth potential. Furthermore, this milestone is expected to allow the company's shares to be included in a broader range of index funds and core portfolios of institutional investors, which will help diversify the investor base, enhance trading liquidity, and strengthen resilience against risks.