Securities code: 688009 Securities abbreviation: China General Number Announcement No.: 2024-024

China Railway Communication and Signal Co., Ltd

Announcement on the convening of the 2024 semi-annual results briefing

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or material omissions in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content.

Important Content Notes:

Meeting time: October 14, 2024 (Monday) 11:00-12:00 a.m

Venue: Shanghai Stock Exchange Roadshow Center (website: https://roadshow.sseinfo.com/)

Meeting method: SSE Roadshow Center network interaction

Investors are available from Monday, September 30, 2024 to Monday, October 11, 2024

5) Log in to the SSE Roadshow Center website before 16:00 Home click on the "Pre-solicitation of Questions" column or ask questions through the company's email ir@crsc.cn. The company will answer the questions of general concern to investors at the briefing.

China Railway Communication and Signal Co., Ltd. (hereinafter referred to as the "Company") has been launched in 2024

On August 29, the company's 2024 semi-annual report was released to facilitate a more comprehensive report for the majority of investors

In-depth understanding of the company's 2024 semi-annual operating results, financial position, the company plans to start in 2024

The 2024 semi-annual results briefing will be held on October 14, 2024 from 11:00 a.m. to 12:00 p.m.,

Communicate on issues of concern to investors.

1. Types of briefings

The investor briefing will be held in the form of online interaction, and the company will interact and communicate with investors on the specific situation of operating results and financial indicators in the first half of 2024, and answer questions of general concern to investors within the scope of information disclosure.

2. The time and place of the briefing

(1) Meeting time: 11:00-12:00 a.m. on October 14, 2024

(2) Venue: SSE Roadshow Center

(3) Convening method: network interaction of SSE Roadshow Center

3. Participants

Lou Qiliang (Chairman)

Yao Guiqing(Independent Non-Executive Director)

Li Lianqing (Chief Accountant, Secretary of the Board of Directors)

IV. Investor Participation

(1) Investors can pass from 11:00 a.m. to 12:00 p.m. on October 14, 2024

Log in to the SSE Roadshow Center (https://roadshow.sseinfo.com/) on the Internet to participate in the performance briefing online, and the company will answer investors' questions in a timely manner.

(2) Investors can apply for the program from 30 September 2024 (Monday) to 11 October 2024 (star

5) Log in to the website of the SSE Roadshow Center before 16:00 Home, click on the "Pre-solicitation of Questions" column (https://roadshow.sseinfo.com/questionCollection.do), select this event or ask questions to the company through the company's email ir@crsc.cn according to the time of the event, and the company will answer the questions of general concern to investors at the briefing.

5. Contact person and consultation method

Contact: 010-50809285

E-mail: ir@crsc.cn

6. Other matters

After the investor briefing is held, investors can check the convening status and main content of the investor briefing through the SSE Roadshow Center (https://roadshow.sseinfo.com/).

The announcement is hereby made.

China Railway Communication and Signal Co., Ltd

September 27, 2024