Sichuan Road and Bridge Construction Group Co., Ltd. Announcement on the Completion of Share Guarantee and Trust Registration for the Non-public Issuance of Exchangeable Corporate Bonds by the Controlling Shareholder

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Stock code: 600039 Stock abbreviation: Sichuan Road & Bridge Announcement No.: 2026-016

Sichuan Road & Bridge Construction Group Co., Ltd.

Announcement on the completion of share collateralization and trust registration for an exchangeable corporate bond issued by the controlling shareholder

The board of directors and all directors of the Company hereby warrant that this announcement contains no false records, misleading statements, or material omissions, and assume legal responsibility for the authenticity, accuracy, and completeness of the contents.

Key highlights:

Due to the business needs of issuing exchangeable corporate bonds, the controlling shareholder of Sichuan Road & Bridge Construction Group Co., Ltd. (hereinafter, the “Company”), Shu-Dao Investment Group Co., Ltd. (hereinafter, “Shu-Dao Group”), has applied to China Securities Depository and Clearing Co., Ltd. to handle the relevant collateralization and trust registration for 492,957,747 shares of the Company it holds, which are unlimited tradable shares. As of the date of disclosure of this announcement, Shu-Dao Group has completed the collateralization and trust registration of the batch of shares at the Shanghai Branch of China Securities Depository and Clearing Co., Ltd. After the completion of this share collateralization and trust registration, Shu-Dao Group and its persons acting in concert hold, in total, 1,375,061,019 shares of the Company (including the shares under this transaction) through the pledge account, collateral, and trust accounts, representing 20.42% of the total number of shares held by them and 15.81% of the Company’s total share capital.

On April 1, 2026, the Company received a letter issued by its controlling shareholder Shu-Dao Group, titled “Letter Regarding the Completion of Share Collateralization and Trust Registration for the Non-Public Issuance of Exchangeable Corporate Bonds.” Due to the business needs of issuing exchangeable corporate bonds, Shu-Dao Group will handle collateralization and trust registration for some of the Company shares it holds. The procedures for the securities collateralization and trust registration have been completed at the Shanghai Branch of China Securities Depository and Clearing Co., Ltd. The specific details are as follows:

Using some of the Company’s shares it holds as the underlying assets, Shu-Dao Group’s non-public issuance of exchangeable corporate bonds for qualified professional investors (hereinafter, “these bonds”) has obtained the Shanghai Stock Exchange’s letter stating “No objection to the listing and transfer of the non-public issuance of exchangeable corporate bonds by Shu-Dao Investment Group Co., Ltd.” (SSE Letter [2025] No. 1562), and the first tranche issuance of these bonds (hereinafter, “this tranche of bonds”) was launched recently. The specific issuance size shall be subject to the final issuance results. Shu-Dao Group and the trustee for this tranche of bonds, China CITIC Securities Co., Ltd. (hereinafter, “CITIC Securities”), have signed the share collateralization and trust agreement, which stipulates that the underlying shares and their dividends/interest (if any) held by Shu-Dao Group are entrusted to CITIC Securities as trust property, to be used to provide collateral for the exchange of shares by holders of these bonds and for repayment of these bonds. (For specific details, please refer to the Company’s announcement disclosed on the Shanghai Stock Exchange website, Announcement No. 2026-011, titled “Sichuan Road & Bridge Announcement on the Proposed Handling of Share Collateralization and Trust Registration for the Controlling Shareholder’s Non-Public Issuance of Exchangeable Corporate Bonds”)

As of the date of disclosure of this announcement, the 492,957,747 shares of the Company held by Shu-Dao Group that are unlimited tradable shares (approximately 5.67% of the Company’s total share capital) have been transferred to the account titled “Shu-Dao Group - CITIC Securities - 26 Shu-Dao EB collateral and trust property special account” (hereinafter, the “collateral and trust special account”), and the shares are registered in the Company’s securities holder roster under that collateral and trust special account as the securities holder. When exercising voting rights, CITIC Securities will act according to Shu-Dao Group’s opinions, but may not damage the interests of the bond holders of this tranche.

After the completion of this share collateralization and trust registration, Shu-Dao Group and its persons acting in concert will, in total, hold 6,734,557,581 shares of the Company, representing 77.45% of the Company’s total share capital. Shu-Dao Group and its persons acting in concert hold, in total, 1,375,061,019 shares of the Company through the pledge account, collateral, and trust special accounts, representing 20.42% of the total number of shares held by them and 15.81% of the Company’s total share capital. After the completion of this collateralization and trust registration, it will not result in any change to the controlling shareholder or the actual controller of the Company.

The controlling shareholder Shu-Dao Group has good credit standing, strong performance capability, controllable risks, and will not have any adverse impact on the Company’s production and operations or corporate governance.

The Company will continue to monitor the issuance of these bonds by the controlling shareholder and subsequent developments, strictly comply with relevant regulations, promptly fulfill information disclosure obligations, and please广大 investors注意 investment risks.

This announcement is hereby issued.

Board of Directors of Sichuan Road & Bridge Construction Group Co., Ltd.

April 1, 2026

Stock code: 600039 Stock abbreviation: Sichuan Road & Bridge Announcement No.: 2026-015

Announcement of

Sichuan Road & Bridge Construction Group Co., Ltd. on progress in share repurchases by means of centralized competitive trading

The board of directors and all directors of the Company hereby warrant that this announcement contains no false records, misleading statements, or material omissions, and assume legal responsibility for the authenticity, accuracy, and completeness of the contents.

Key highlights:

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I. Basic information on the share repurchase

Sichuan Road & Bridge Construction Group Co., Ltd. (hereinafter, the “Company”) held the 55th meeting of the Eighth Session of the Board of Directors on April 29, 2025, and examined and approved the resolution titled “Proposal on Repurchasing Company Shares by Means of Centralized Competitive Trading.” The Company intends to use its own funds or raised funds to repurchase some of its outstanding shares of RMB ordinary shares (A shares) through centralized competitive trading, for equity incentives or for conversion of convertible bonds issued by the Company. The total repurchase amount will not be less than RMB 100M and not more than RMB 200M. The upper limit of the repurchase price is RMB