Hong Kong Exchanges and Clearing Limited: The first phase of lowering the minimum trading price of Hong Kong stock market will be launched on August 4th.

Following the successful completion of the market exercise on June 21, 2025 (Saturday), in which the exchange participants confirmed their readiness and obtained approval from the relevant regulatory authorities, Hong Kong Exchanges and Clearing Limited (HKEX) announced on July 21 that the first stage of lowering the minimum fluctuation limits for stocks in the Hong Kong securities market will be launched on August 4, 2025 (Monday). In reference to the client notice published on the HKEX website today (reference number: MDD/25/369), the price table codes for the "HKEX Orion" market data platform - Securities Market (OMD-C) and the Mainland Market Data Hub - Securities Market (OMD-CMMDH) will also be updated accordingly during the first stage launch. Pre-launch testing on August 2, 2025 To prepare for the launch of the first stage, HKEX will conduct a non-mandatory pre-launch test on August 2, 2025 (Saturday) from 9:00 AM to 12:10 PM to allow exchange participants to verify the readiness of their systems before the first stage launch on the following Monday. The new price table codes will be provided and released on OMD-C and OMD-CMMDH during the pre-launch test. HKEX strongly recommends all exchange participants to participate in the pre-launch test to validate their production environment systems before the launch. Exchange participants interested in participating must submit the registration form (in English only) by July 31, 2025 (Thursday) to activate all production trading facilities for simulating normal trading activities and designate a contact person for the pre-launch test. Any late submission of the registration form will not be accepted. Participants in the test should refer to the schedule in the information booklet (in English only) for testing. Exchange participants may need to contact their information providers to provide market data support during the pre-launch test. Confirmation of the launch of the first stage after the pre-launch test After the successful completion of the pre-launch test, HKEX will announce the official launch of the first stage on the same day (August 2, 2025) by 3:00 PM or earlier on a special webpage dedicated to lowering the minimum fluctuation limits. If any unforeseen incidents occur during the pre-launch test that require adjustments, HKEX will announce them on the same special webpage by 3:00 PM or earlier on the same day. Therefore, all exchange participants are advised to check the special webpage around 3:00 PM on August 2, 2025, and take appropriate actions (such as announcement or request to check the updated list of securities).