China State Western Construction Co., Ltd. Announcement on the Departure of the Company’s Directors and General Manager

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Stock code: 002302 Stock abbreviation: Western Construction Announcement number: 2026-010

China State Construction Western Construction Co., Ltd.

Announcement on the Departure of the Company’s Director and General Manager

The company and all members of the board of directors guarantee that the content of the information disclosure is true, accurate, and complete, with no false records, misleading statements, or significant omissions.

1. Departure of Director and General Manager

The board of directors of China State Construction Western Construction Co., Ltd. (hereinafter referred to as “the company”) recently received a written resignation letter submitted by Mr. Bai Jianjun. Due to work transfer reasons, Mr. Bai Jianjun applied to resign from his positions as a director, related positions in the board’s special committees, and the position of general manager of the company. After his departure, Mr. Bai Jianjun will not hold any position in the company or its subsidiaries.

Mr. Bai Jianjun’s originally scheduled term was until the expiration date of the company’s eighth board of directors. According to relevant regulations such as the Company Law of the People’s Republic of China, the Shenzhen Stock Exchange Stock Listing Rules, and the Articles of Association, his resignation will not lead to the number of board members falling below the legal minimum. The resignation letter will take effect from the date it is delivered to the board of directors. This departure will not affect the normal operation of the company and the board of directors, and Mr. Bai Jianjun will properly handle the handover work according to the company’s relevant regulations.

As of the date of this announcement, Mr. Bai Jianjun does not hold any shares in the company and there are no commitments that he should have fulfilled but has not.

During his tenure as a director and general manager of the company, Mr. Bai Jianjun diligently performed his duties and played a positive role in the company’s standardized operation and high-quality development. The board of directors expresses its heartfelt thanks to Mr. Bai Jianjun for his contributions to the company’s development during his tenure!

2. Documents for Reference

3. Mr. Bai Jianjun’s resignation letter

This announcement is hereby made.

China State Construction Western Construction Co., Ltd.

Board of Directors

March 18, 2026

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