Tongguan Gold (00340) has announced its inclusion as a constituent stock of the Hang Seng Composite Index, following the quarterly index review results released by Hang Seng Indexes Company Limited on August 21, 2026.

The adjustment will be implemented after the market close on Friday, September 4, 2026, and will take effect from Monday, September 7, 2026. The company's board believes that this inclusion in such a significant index fully reflects investors' recognition of the group's value and growth potential, which is expected to attract broader market attention, thereby widening the company's investor base and enhancing the trading liquidity of its shares.