8 September 2026

Dear Valued Clients,

Thank you for your continued support of Changjiang Securities International Financial Group Limited ("CJS International").

To support the Group's future business development and further enhance our client service experience, we will launch a brand-new website interface on Tuesday, 15 September 2026. The website address remains unchanged (www.cjsc.com.hk) — no action is required on your part.

The system maintenance of securities trading platform (including software version, PC version, APP version and eDDA service) will process in the following period. Therefore, the related service will be temporary suspended. Sorry for any inconvenienced caused.

5 SEP, 2026 (Saturday) from 8 am to 8 pm

Dear Customer:

US' Labor Day is approaching, the U.S. stock market will be closed on September 7, 2026 (Monday). Trading will resume on September 8, 2026 (Tuesday). Please make arrangements for transactions and funds in advance.

The system maintenance of securities trading platform (including software version, PC version, APP version and eDDA service) will process in the following period. Therefore, the related service will be temporary suspended. Sorry for any inconvenienced caused.

22 AUG, 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 process in the following period. Therefore, the related service will be temporary suspended. Sorry for any inconvenienced caused.

8 AUG, 2026 (Saturday) from 8 am to 8 pm

Independence Day is approaching. The U.S. stock market will be closed on 3rd July, 2026 (Friday from 9:30 p.m. to 4:00 a.m. the next day). It will resume trading on 6th July, 2026 (Monday). Please make arrangements for transactions and funds in advance.

HK stock market is closed on 1st July, 2026 (Wednesday) due to Hong Kong Special Administrative Region Establishment Day

Also, The North-bound trading of Shenzhen/ Shanghai Connect will be closed on 1st July, 2026 (Wednesday)

HK stock market will be resumed trading on 2nd July, 2025 (Thursday). Please make arrangements for transactions and funds in advance.

Dear Clients,

The Hong Kong stock market will be closed on Friday, 19 June 2026 for the Dragon Boat Festival. Northbound trading under the Shanghai-Hong Kong and Shenzhen-Hong Kong Stock Connect will also be suspended on the same day.

The US stock market will be closed on Friday, 19 June 2026 in observance of Juneteenth.

Please plan your trades and funding accordingly.

The system maintenance of securities trading platform (including software version, PC version, APP version and eDDA service) will process in the following period. Therefore, the related service will be temporary suspended. Sorry for any inconvenienced caused.

30 MAY, 2026 (Saturday) from 8 am to 8 pm

Dear Clients,

Please be informed that the Hong Kong Stock Exchange will be closed on Monday, 25 May 2026 for the public holiday of The Day Following the Buddha's Birthday. Normal trading will resume on Tuesday, 26 May 2026.

Northbound trading under Shenzhen-Hong Kong Stock Connect and Shanghai-Hong Kong Stock Connect will be closed on Monday, 25 May 2026, and will resume on Tuesday, 26 May 2026.

The U.S. stock market will be closed on Monday, 25 May 2026 (U.S. time), and will resume trading on Tuesday, 26 May 2026.