Dear Valued Client,

Thank you for choosing the services of Changjiang Securities (HK) Brokerage Limited.

According to the press release issued by the U.S. Securities and Exchange Commission (“SEC”), the U.S. stock trading fee rate will be adjusted with effect from 4 April 2026 (settle date), as below:

Dear Clients:

The US stock market will adopt daylight saving time trading hours starting Monday, March 9, 2026. Trading hours will be adjusted to 21:30–04:00 next day Hong Kong Time, Monday to Friday.

Please note the trading hours of the Hong Kong Stock Exchange during the 2026 Spring Festival:

Monday, 16 February 2026 (Chinese New Year's Eve): Half-day trading, 09:00–12:00

Tuesday to Thursday, 17–19 February 2026 (1st to 3rd day of Lunar New Year): Full-day closed

Friday, 20 February 2026 (4th day of Lunar New Year): Normal trading resumed, 09:00–12:00, 13:00–16:00

Note: Northbound Shanghai/Shenzhen Stock Connect services will be closed from 16 to 23 February, and reopen on 24 February.

Please note the trading hours of the US stock market for Washington's Birthday 2026:

Monday, 16 February 2026 (Washington's Birthday): Full-day closed

Tuesday, 17 February 2026 onwards: Normal trading resumes, with trading hours from 22:30 to 05:00 next day (HKT)

To protect the interests of all investors, please make your trading and funding arrangements in advance.

The system maintenance of securities trading platform (including software version, PC version, APP version and eDDA service) will be conducted in the following period. Therefore, the services will be temporarily suspended. Sorry for any inconvenience caused.

Febuary 7th, 2026 (Saturday) from 8 am to 8 pm

The system maintenance of securities trading platform (including software version, PC version, APP version and eDDA service) will be conducted in the following period. Therefore, the services will be temporarily suspended. Sorry for any inconvenience caused.

January 24th, 2026 (Saturday) from 8 am to 8 pm

Dear Customer:

In observance of Martin Luther King, Jr. Day, the US stock market will be closed on Monday, January 19, 2026. Trading will resume on Tuesday, January 20, 2026. Please note that this corresponds to the full trading day of January 19 in Beijing Time. We kindly ask you to make arrangements for your transactions and funds in advance to avoid any inconvenience caused by the market closure.

Thank you for your understanding and cooperation.

Dear Customer,

The Hong Kong stock market will operate a half-day session on Wednesday, December 31, 2025, with trading hours from 09:00 to 12:00. It will be closed all day on Thursday, January 1, 2026.

The US stock market will operate normally on Wednesday, December 31, 2025, with trading hours from 09:30 to 16:00 US Eastern Time. It will be closed on Thursday, January 1, 2026, in observance of New Year's Day.

Note: Northbound Stock Connect trading hours follow the Hong Kong market calendar and will be suspended when Hong Kong market is closed.

Dear Customer,

The Hong Kong stock market will close early at 12:00 PM on Wednesday, December 24, 2025. From Thursday, December 25, 2025, to Friday, December 26, 2025, the Hong Kong stock market will be closed for public holidays, and there will be no Northbound trading via the Shanghai-Hong Kong Stock Connect and the Shenzhen-Hong Kong Stock Connect.

The US stock market will close early at 2:00 AM (Beijing Time) on Wednesday, December 24, 2025. The US stock market will be closed on Thursday, December 25, 2025, and will resume trading on Friday, December 26, 2025.

The system maintenance of securities trading platform (including software version, PC version, APP version and eDDA service) will be conducted in the following period. Therefore, the services will be temporarily suspended. Sorry for any inconvenience caused.

December 13rd, 2025 (Saturday) from 7 am to 8 pm