Tibet Sky Road Co., Ltd. Announcement on the Progress of Litigation Involving Subsidiaries

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Stock Code: 600326 Stock Abbreviation: Tibet Tianlu Announcement No.: 2026-012

Bond Code: 188478 Bond Abbreviation: 21 Tianlu 01

Tibet Tianlu Co., Ltd.

Announcement on the Progress of Litigation Involving Subsidiaries

The company’s board of directors and all directors guarantee that this announcement contains no false records, misleading statements, or major omissions, and assume legal responsibility for its truthfulness, accuracy, and completeness.

Key Highlights:

● Litigation stage: Re-trial

● The company’s role: Tibet Tianlu Co., Ltd. (hereinafter “the Company”)’s controlling subsidiary, Tibet Changdu Gaozheng Building Materials Co., Ltd. (hereinafter “Gaozheng Changdu”), is the plaintiff.

● Amount involved: 125.7586 million yuan plus related reasonable costs such as litigation fees and preservation fees.

● Impact on the company’s profit and loss: The case is in the re-trial stage at the Supreme People’s Court of the People’s Republic of China (hereinafter “Supreme Court”), and its impact on the company’s profits is uncertain.

1. Basic information about this lawsuit and previous announcements

Due to a dispute over ecological destruction responsibilities involving Gaozheng Changdu and Sichuan Chuanmei Sixth Engineering Construction Co., Ltd. (hereinafter “Chuanmei Sixth”), Zhejiang Huazuan Construction Co., Ltd. (hereinafter “Huazuan”), and San Yuan Mining Development Co., Ltd. (hereinafter “Sanyuan”), Gaozheng Changdu filed a lawsuit on September 24, 2024, with the Intermediate People’s Court of Changdu, Tibet Autonomous Region, claiming a total of 125,758,613.75 yuan (excluding litigation fees). The court accepted the case on September 26, 2024, and issued a civil judgment on April 23, 2025, dismissing the plaintiff’s claims.

Gaozheng Changdu appealed the first-instance judgment to the Tibet Higher People’s Court, requesting the court to revoke the civil judgment (No. (2024) Zang 03 Minchu 4) and to order the second defendants to jointly compensate for ecological restoration costs, fines, legal fees, appraisal and evaluation fees, transportation costs from clinker purchases, litigation fees, preservation fees, and other reasonable expenses. The Tibet Higher People’s Court accepted the appeal. For details, see the announcements published on June 14, 2025, in China Securities Journal, Shanghai Securities News, Securities Times, Securities Daily, and the Shanghai Stock Exchange.

On August 19, 2025, the company disclosed the “Announcement on the Progress of Litigation Involving Subsidiaries,” stating that Gaozheng Changdu received the “Civil Judgment of the Tibet Higher People’s Court” (〔2025〕Zang Minzhong 13), which ruled as follows: the appeal was dismissed, and the original judgment was upheld; the second-instance case acceptance fee of 670,593 yuan was borne by Gaozheng Changdu; this judgment is final. For details, see the same publications as above.

2. Progress of this lawsuit

Recently, Gaozheng Changdu filed a request for re-trial with the Supreme Court, which has accepted the case for review. The details are as follows:

(1) Court: Supreme People’s Court of China

(2) Location: Dongcheng District, Beijing

(3) Parties involved in re-trial:

• Applicant: Tibet Changdu Gaozheng Building Materials Co., Ltd. (plaintiff in the first instance, appellant in the second instance)

• Respondents: Sichuan Chuanmei Sixth Engineering Construction Co., Ltd. (defendant in the first instance, respondent in the second instance), Zhejiang Huazuan Construction Co., Ltd. (defendant in the first instance, respondent in the second instance)

• Third party in the original case: Sanyuan Mining Development Co., Ltd.

(4) Re-trial requests:

1. Request for lawful re-trial of the case;

2. Request to revoke the civil judgments (No. (2024) Zang 03 Minchu 4 and No. (2025) Zang Minzhong 13) and to support Gaozheng Changdu’s original claims in the first instance;

3. Request that the respondents Sichuan Chuanmei Sixth and Zhejiang Huazuan bear all litigation costs arising from the first, second, and possible re-trial.

4. Other undisclosed litigation or arbitration matters

The company and its controlling subsidiaries have no other major litigation or arbitration matters that need disclosure but have not been disclosed.

4. Possible impact of this lawsuit on the company’s current and future profits

As of the date of this announcement, the case is in the re-trial stage at the Supreme Court, and the final judgment remains uncertain. Its impact on the company’s profits is also uncertain. The company will continue to monitor the case’s progress and fulfill its disclosure obligations in a timely manner. Investors are advised to be aware of investment risks.

5. Documents for reference

6. Re-trial application

7. Notice of acceptance from the Supreme People’s Court of China (No. (2026) Supreme Court Civil Application 880)

This announcement is hereby made.

Board of Directors, Tibet Tianlu Co., Ltd.

March 19, 2026