Beijing Stock Exchange: Will conduct market testing in cooperation with Guotai Haitong Securities on August 23.

The Beijing Stock Exchange and the National Equities Exchange and Quotations Co., Ltd. have issued a notice stating that they will conduct market testing in collaboration with Guotai Haitong Securities Co., Ltd. on August 23, 2025. The testing will take place on August 23, 2025, during which the trading support platform and fixed income platform will be opened. The trading and market data generated during the testing period are simulated data and cannot be used as the basis for any transactions or non-transactional operations in the production environment. Please ensure that all market participants take necessary measures to protect the production environment and ensure the normal operation of the production system on the next trading day.