Announcement on the Establishment of a Holding Subsidiary Through External Investment

Xinjiang Transportation Construction Group Co., Ltd.

Announcement on the Establishment of a Holding Subsidiary Through External Investment

The Company and all members of the Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed, and there are no false records, misleading statements, or major omissions.

I. Overview of External Investment

1. Xinjiang Transportation Construction Group Co., Ltd. (hereinafter referred to as the "Company" or "Xinjiang Construction") held the 33rd extraordinary meeting of the fourth Board of Directors on June 24, 2026, and reviewed and approved the "Proposal on External Investment to Establish a Holding Subsidiary." To deeply integrate into the regional economic development pattern, fully integrate local resources, industrial base, and locational advantages, and seize market opportunities in regional infrastructure construction, the Company plans to jointly invest with Yiwu County Urban Construction Investment Management Co., Ltd. (hereinafter referred to as "Yiwu City Investment") to establish a holding subsidiary, "Xinjiang Construction (Hami) Construction and Development Co., Ltd." (tentative name, subject to approval by the industrial and commercial registration authority for the final name, hereinafter referred to as the "Holding Subsidiary"). The registered capital of the Holding Subsidiary is RMB 40 million. The Company will contribute RMB 20.4 million in cash, accounting for 51% of the registered capital; Yiwu City Investment will contribute RMB 19.6 million, accounting for 49% of the registered capital. Upon completion of this investment, the Holding Subsidiary will be included in the Company's consolidated financial statements.

2. According to the "Listing Rules of Shenzhen Stock Exchange" and the "Articles of Association," this external investment matter is within the scope of the Board of Directors' approval authority and does not require submission to the shareholders' meeting for review. The Board of Directors authorizes the Company's management and relevant personnel to handle matters related to industrial and commercial registration approval.

3. This external investment matter does not constitute a related party transaction, nor does it constitute a major asset restructuring as stipulated in the "Measures for the Administration of Major Asset Restructuring of Listed Companies."

II. Introduction to the Counterparty

1. Company Name: Yiwu County Urban Construction Investment Management Co., Ltd.

2. Enterprise Nature: Limited Liability Company (Wholly State-Owned)

3. Registered Address: No. 436, Zhenxing East Road, Yiwu Town, Yiwu County, Hami City, Xinjiang

4. Registered Capital: RMB 34,420.4573 million