Stock code: 688702 Stock abbreviation: Centec Communications Announcement No.: 2025-006

Suzhou Centec Communications Co., Ltd

Announcement on the expiration of the shareholder reduction plan and the results of the shareholding reduction

The board of directors, all directors and relevant shareholders 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:

The basic situation of the shareholding of the major shareholder

Before the implementation of the shareholding reduction plan, China Integrated Circuit Industry Investment Fund Co., Ltd. (hereinafter referred to as the "Industrial Fund"), a shareholder of Suzhou Centec Communications Co., Ltd. (hereinafter referred to as the "Company"), held 80,357,143 shares of the Company, accounting for 19.60% of the Company's total share capital. The above shares are derived from the company's initial public offering

The shares held before the development bank will be listed for circulation from September 18, 2024.

The results of the implementation of the shareholding reduction plan

The Company was disclosed on the website of the Shanghai Stock Exchange (www.sse.com.cn) on December 23, 2024

According to the Announcement of Centec Communications on the Share Reduction Plan of Shareholders Holding More than 5% of the Shares (Announcement No.: 2024-038), due to the needs of shareholders' own operation and management, the industrial fund intends to reduce the total number of shares held by it through centralized bidding or block trading not to exceed 12,300,000 shares, and the number of shares to be reduced

The total proportion of the company's total share capital shall not exceed 3.00%, and the reduction period will be from January 14, 2025 to 2025

On April 13, the maturity date of the reduction is a non-trading date, so April 11, 2025 is the implementation date of the reduction plan

Full day.

The Company disclosed on the website of the Shanghai Stock Exchange (www.sse.com.cn) on February 8, 2025

"Centec Communications' Indicative Announcement on the Change of Shareholders' Equity Holding More than 5% of the Shares Touching 1%" (Announcement No.:

2025-002), during the period from January 15, 2025 to February 7, 2025, the industry fund will be subject to centralized bidding

A total of 2,456,943 shares of the company were reduced by price trading, accounting for 0.60% of the company's total share capital. After this equity change, the industrial fund holds 77,900,200 shares of the company, accounting for 19.00% of the company's total share capital.

The Company disclosed on March 6, 2025 on the website of the Shanghai Stock Exchange (www.sse.com.cn).

"Centec Communications' Indicative Announcement on the Change of Shareholders' Equity Holding More than 5% of the Shares Touching 1%" (Announcement No.:

2025-004), during the period from February 13, 2025 to March 5, 2025, the industry fund passed the centralized competition

A total of 4,100,000 shares of the company were reduced by price trading, accounting for 1.00% of the company's total share capital. After this equity change, the industrial fund holds 73,800,200 shares of the company, accounting for 18.00% of the company's total share capital.

The company recently received the "Notification Letter on the Expiration of the Shareholding Reduction Plan" issued by the shareholders' industrial fund

By the close of trading on April 11, 2025, the industrial fund has cumulatively reduced its holdings through centralized bidding or block trading

The company has 10,307,874 shares, accounting for 2.51% of the company's total share capital. The shareholding reduction period of this shareholding reduction plan has expired, and this is the end of this shareholding reduction plan. The results of the relevant shareholding reduction are hereby announced as follows:

1. The basic situation of the subject before the reduction

Name of shareholder: China Integrated Circuit Industry Investment Fund Co., Ltd

Controlling Shareholder, Actual Controller and Person Acting in Concert □Yes √ No

Shareholder Identity Shareholders who directly hold more than 5% of the shares √Yes □ No

Directors, supervisors and senior management □ Yes √ No

Other:/

The number of shares held is 80,357,143 shares

Shareholding 19.60%

Current source of shares acquired before IPO: 80,357,143 shares

There is no person acting in concert with the above-mentioned shareholding reduction entities.

Second, the results of the implementation of the shareholding reduction plan

(1) The major shareholder discloses the results of the implementation of the shareholding reduction plan due to the following matters:

The disclosed time range for reducing holdings expires

Name of shareholder: China Integrated Circuit Industry Investment Fund Co., Ltd

10,307,874 shares

The reduction period is January 14, 2025 ~ April 11, 2025

Reduction method and corresponding number of reductions Centralized auction reduction, 9,897,874 shares

Volume Block trade reduction, 410,000 shares

The price range of the reduction is 60.00~86.59 yuan/share

The total amount of the reduction was 757,920,790.18 yuan

Completion of the reduction Outstanding: 1,992,126 shares

Reduced Ratio 2.51%

The original plan to reduce the shareholding ratio does not exceed 3.00%

The current number of shares held is 70,049,269 shares

Current shareholding 17.09%

(2) Whether the actual shareholding reduction is consistent with the previously disclosed shareholding reduction plan and commitment √ yes or □no

(3) Whether the shareholding reduction has not been implemented □ has not been implemented √ has been implemented upon the expiration of the time period for the reduction

(4) Whether the actual reduction has not reached the minimum number (proportion) of the shareholding reduction plan, □ has not been reached, √ has been reached

(5) Whether to terminate the shareholding reduction plan ahead of schedule □Yes √ No

The announcement is hereby made.

Board of Directors of Suzhou Centec Communications Co., Ltd

April 14, 2025