Securities code: 688030 Securities abbreviation: Hillstone Network Technology Announcement No.: 2025-033

Convertible bond code: 118007 Convertible bond abbreviation: Shanshi convertible bond

Hillstone Network Technology Co., Ltd

Announcement on the convening of the 2024 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 in accordance with the law.

Important Content Notes:

●Meeting content: 2024 annual results briefing of Hillstone Network Technology Co., Ltd

●Meeting time: April 22, 2025 (Tuesday) from 16:00 to 17:00

●Meeting method: Shanghai Stock Exchange Roadshow Center

(https://roadshow.sseinfo.com/) Network interaction

●Investors can open the afternoon from April 15, 2025 (Tuesday) to April 21, 2025 (Monday).

Before 16:00, log in to the homepage of the SSE Roadshow Center website and click on the "Pre-solicitation of Questions" column or ask questions through the company's email ir@hillstonenet.com. The company will answer the questions of general concern to investors at the briefing.

1. Type of briefing

Hillstone Network Technology Co., Ltd. (hereinafter referred to as the "Company") has been announced on March 28, 2025

The 2024 Annual Report of Hillstone Network Technology Co., Ltd. was disclosed. In order to enable investors to have a more comprehensive understanding of the company's situation and strengthen in-depth communication with investors, the company decided to hold the "2024 Annual Results Briefing" through online interaction. At that time, the company will communicate with investors on issues of concern, and at the same time listen to the opinions and suggestions of investors.

2. The time, place and method of the briefing meeting

This briefing will be held on Tuesday, April 22, 2025 from 16:00 to 17:00 in Shanghai

The SSE Roadshow Center (https://roadshow.sseinfo.com/) of the Stock Exchange was held online through online interaction.

3. The company's attendees

Mr. Ye Haiqiang, chairman and general manager of the company; Mr. Zhang Xiaojun, independent director; Mr. Shang Xihe, Deputy General Manager and Head of Finance; Ms. Tang Yan, Secretary of the Board of Directors. (In case of special circumstances, participants may be adjusted)

Fourth, the way investors participate

1. Investors are welcome to log in to the Shanghai Stock Exchange at 16:00 p.m. on April 22, 2025 (Tuesday).

SSE Roadshow Center (https://roadshow.sseinfo.com/) participated in the 2024 annual results briefing online.

2. Investors can do so from Tuesday, April 15, 2025 to Monday, April 21, 2025

Before 16:00, log in to the homepage of the SSE Roadshow Center website and click on the "Pre-solicitation of Questions" column or contact the company by phone or email attached to this announcement, and the company will answer the questions of general concern to investors at the briefing.

5. Contact person and contact information

Contact: He Yuantao, Gu Yiqing

Contact number: 0512-66806591

E-mail: ir@hillstonenet.com

6. Other matters

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

The announcement is hereby made.

Board of Directors of Hillstone Network Technology Co., Ltd

April 12, 2025