Announcement on Resolutions of the Nineteenth Meeting of the Eighth Board of Directors of Sinoma International Engineering Co., Ltd.

Stock Code: 600970 Stock Abbreviation: Sinoma International Announcement No.: Lin 2025-065 Bond Code: 241560 Bond Abbreviation: 24 State Engineering K1 Sinoma International Engineering Co., Ltd. Announcement on Resolutions of the Nineteenth Meeting of the Eighth Session of the Board of Directors The board of directors and all directors of the Company guarantee that there are no false records, misleading statements or material omissions in this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its contents. The nineteenth meeting of the eighth session of the board of directors of Sinoma International Engineering Co., Ltd. (Hereinafter referred to as the "Company") was held on October 13, 2025 by means of written notice and on October 23, 2025 by means of on-site communication. The meeting should be attended by 8 directors, 8 directors actually attended the meeting, and some senior executives of the company attended the meeting, which complied with the relevant provisions of the Company Law and the Articles of Association. The meeting was chaired by Mr. Yin Zhisong, the chairman of the board of directors. After careful consideration and voting by open ballot, the following resolutions were passed by the directors present at the meeting: I. The "Third Quarterly Report of the Company for the Year 2025" was considered and approved. The proposal was considered and approved at the twentieth meeting of the Audit and Risk Management Committee of the eighth session of the Board. Please refer to the website of the Shanghai Stock Exchange (https://www.sse.com.) for details of the 2025 third quarterly report of the Company Voting results: 8 voted in favour, 0 voted against and 0 abstained. Considered and approved the "Resolution on the Company's Compliance with the Conditions for Public Issuance of Corporate Bonds", and agreed to submit this resolution to the fifth extraordinary shareholders' meeting of the Company in 2025 for consideration. The proposal was considered and approved at the seventh meeting of the Strategy, Investment and ESG Committee of the eighth session of the Board of Directors. Voting result: 8 voted for, 0 voted against and 0 abstained. Considered and approved the Proposal on the Plan for the Public Issuance of Corporate Bonds by the Company, and agreed to submit this proposal to the fifth interim shareholders' meeting of the Company in 2025 for consideration. The proposal was considered and approved at the seventh meeting of the Strategy, Investment and ESG Committee of the eighth session of the Board of Directors. (I) The issuance size and registered amount of the Bonds shall not exceed RMB2 billion (inclusive), which shall be registered in a lump sum and issued in installments at an appropriate time. A proposal will be submitted to the shareholders' meeting for authorizing the board of directors, and the board of directors will further authorize the chairman, president and chief financial officer of the Company to jointly determine the specific issuance size and issuance arrangement within the above scope according to the capital needs of the Company and the market conditions at the time of issuance. Voting result: 8 voted for, 0 voted against and 0 abstained. (2) The par value and issue price of the bonds The face value of the corporate bonds issued publicly is 100 yuan, which is issued at par value. Voting result: 8 voted for, 0 voted against and 0 abstained. Interest rate of the bonds and method of interest payment The Corporate Bonds to be publicly issued are fixed rate bonds. A proposal will be presented to the shareholders' meeting to authorize the Board, and the Board will further authorize the chairman, president and chief financial officer of the Company to determine the coupon rate through negotiation with the lead underwriter based on market price inquiry, provided that the coupon rate shall not exceed the interest rate as prescribed by the State Council. If interest rate adjustment is involved after issuance, the adjusted interest rate can be determined according to market conditions. This bond bears simple interest on an annual basis without compound interest. The interest is paid once a year, the principal is repaid once at maturity, and the last interest is paid together with the principal. Voting result: 8 voted for, 0 voted against and 0 abstained. Type and term of the bonds The term of the Corporate Bonds shall not exceed 10 years, which may be of a single maturity or a mixed maturity. A proposal will be submitted to the shareholders' meeting for authorizing the board of directors, and the board of directors will further authorize the chairman, president and chief financial officer of the Company to jointly determine the specific types, terms and issuance size of the Corporate Bonds according to the capital needs of the Company and the market conditions at the time of issuance. Voting result: 8 voted for, 0 voted against and 0 abstained. Method of issuance, target subscribers and placement to shareholders of the Company The Corporate Bonds will be publicly issued to professional investors as required by relevant laws and regulations, and will not be preferentially placed to shareholders of the Company. Voting result: 8 voted for, 0 voted against and 0 abstained. Guarantee The Corporate Bonds to be issued are unsecured. Voting result: 8 voted for, 0 voted against and 0 abstained. Terms of redemption or sale back a proposal will be presented to the shareholders' meeting to authorize the board of directors, and the board of directors will further authorize the chairman, president and chief financial officer of the Company to jointly determine the specific terms of the redemption or sale back of the Corporate Bonds to be issued. Voting result: 8 voted for, 0 voted against and 0 abstained. (8) The raised funds shall be used for the daily production and operation activities of the Company, including but not limited to repayment of interest-bearing debts, replenishment of working capital, project construction and investment and other purposes in compliance with the provisions of national laws and regulations. Voting result: 8 voted for, 0 voted against and 0 abstained. Safeguard measures for debt repayment In order to further protect the interests of the Bondholders, during the term of the Bonds, if the Company expects to be unable to repay the principal or interest of the Bonds on time, the Company will formulate and adopt various safeguard measures for debt repayment to effectively protect the interests of the Bondholders. The safeguard measures for debt repayment mainly include the establishment of a special working group for repayment, the formulation and strict implementation of the fund management plan, the formulation of the Rules of Bondholders'Meeting, the full play of the role of bond trustees, and the strict performance of information disclosure obligations. Voting result: 8 voted for, 0 voted against and 0 abstained. Method of underwriting The Bonds will be underwritten by the lead underwriter by way of balance underwriting. Voting result: 8 voted for, 0 voted against and 0 abstained. Listing arrangement The Company will apply for the listing and trading of the Corporate Bonds on the Shanghai Stock Exchange. Subject to the approval of the regulatory authorities, the Company may also apply for the listing and trading of the Bonds on other trading venues as permitted by the relevant laws and regulations. Voting result: 8 voted for, 0 voted against and 0 abstained. Validity period of the resolution The validity period of the resolution on the public issuance of the Corporate Bonds shall be 12 months from the date of approval by the shareholders' meeting of the Company. If the Company has obtained the issuance approval, license, filing or registration (if applicable) from the regulatory authorities within the validity period of the resolution, the Company may complete the issuance of the Bonds within the validity period confirmed by such approval, license, filing or registration. Voting result: 8 voted for, 0 voted against and 0 abstained. (13) Authorization In order to improve the efficiency of the issuance of corporate bonds, according to the needs of the issuance work, the board of directors is proposed to be authorized by the shareholders'meeting, and the board of directors further authorizes the chairman, president and chief financial officer of the company, on the basis of the issuance plan approved by the shareholders' meeting, in accordance with relevant laws and regulations, in order to safeguard the company's interests. Jointly make decisions and handle matters related to the public issuance of corporate bonds. Voting result: 8 voted for, 0 voted against and 0 abstained. For details, please refer to the Announcement of Sinoma International Engineering Co., Ltd. on the Proposal for Public Issuance of Corporate Bonds (Lin 2025-066). Considered and approved the "Resolution on Submitting to the Shareholders' Meeting to Authorize the Board of Directors of the Company and Relevant Persons to Handle Matters Relating to the Public Issuance and Listing of Corporate Bonds of the Company", and agreed to submit this resolution to the fifth extraordinary shareholders' meeting of the Company in 2025 for consideration. The proposal was considered and approved at the seventh meeting of the Strategy, Investment and ESG Committee of the eighth session of the Board of Directors. Voting result: 8 voted for, 0 voted against and 0 abstained. 5. Consideration and adoption of the Bill on the Establishment of the Mining Department of the Company. Voting result: 8 voted for, 0 voted against and 0 abstained. Considered and approved the Proposal on the Mid-Year Adjustment of the Company's Investment Plan for 2025. The proposal was considered and approved at the seventh meeting of the Strategy, Investment and ESG Committee of the eighth session of the Board of Directors. Voting result: 8 voted for, 0 voted against and 0 abstained. Considered and approved the Proposal on the Amendments to the Implementation Rules for the Audit and Risk Management Committee of the Board of Directors of the Company. The proposal was considered and approved at the twentieth meeting of the Audit and Risk Management Committee of the eighth session of the Board. Please refer to the website of the Shanghai Stock Exchange for details of the Implementation Rules for the Audit and Risk Management Committee of Sinoma International Engineering Co., Ltd. (As amended in 2025) (https://www.sse.com.) Voting results: 8 voted in favour, 0 voted against and 0 abstained. Considered and approved the Proposal on Revising the Implementation Rules for the Remuneration and Appraisal Committee of the Board of Directors of the Company. The proposal was considered and approved at the seventh meeting of the Remuneration and Appraisal Committee of the eighth session of the Board. Please refer to the website of the Shanghai Stock Exchange for details of the Implementation Rules for the Remuneration and Appraisal Committee of the Board of Directors of Sinoma International Engineering Co., Ltd. (As amended in 2025) (https://www.sse.com.) Voting results: 8 voted in favour, 0 voted against and 0 abstained. Considered and approved the Proposal on Revising the Working Rules for the Nomination Committee of the Board of Directors of the Company. The proposal was considered and approved at the eighth meeting of the Nomination Committee of the eighth session of the Board. Please refer to the website of the Shanghai Stock Exchange for details of the Working Rules for the Nomination Committee of the Board of Directors of Sinoma International Engineering Co., Ltd. (As amended in 2025) (https://www.sse.com.) Voting results: 8 voted in favour, 0 voted against and 0 abstained. Considered and approved the Proposal on Revising the Implementation Rules for the Strategy, Investment and ESG Committee of the Board of Directors of the Company. The proposal was considered and approved at the seventh meeting of the Strategy, Investment and ESG Committee of the eighth session of the Board of Directors. Please refer to the website of the Shanghai Stock Exchange for details of the Working Rules for the Strategy, Investment and ESG Committee of the Board of Directors of Sinoma International Engineering Co., Ltd. (As amended in 2025) (https://www.sse.com.) Voting results: 8 voted in favour, 0 voted against and 0 abstained. Considered and approved the Proposal on Revising the Management System for Information Disclosure of the Company. Please refer to the website of the Shanghai Stock Exchange for details of the Information Disclosure Management System of Sinoma International Engineering Co., Ltd. (Revised in 2025) (https://www.sse.com.) Voting results: 8 voted in favour, 0 voted against and 0 abstained. Considered and approved the Proposal on Revising the Management System for Suspension and Exemption of Information Disclosure of the Company. Please refer to the website of the Shanghai Stock Exchange for details of the Administrative Rules for the Suspension and Exemption of Information Disclosure of Sinoma International Engineering Co., Ltd. (Revised in 2025) (https://www.sse.com.) Voting results: 8 voted in favour, 0 voted against and 0 abstained. Considered and approved the Proposal on Revising the Management System for Shares of the Company Held by Directors and Senior Management of the Company and Changes Thereof. Please refer to the website of the Shanghai Stock Exchange for details of the Rules Governing the Shares of the Company Held by Directors and Senior Management of Sinoma International Engineering Co., Ltd. and the Changes Thereof (as amended in 2025) (https://www.sse.com.) Voting results: 8 voted in favour, 0 voted against and 0 abstained. Considered and approved the Proposal on Revising the Management System of Related Party Transactions of the Company, and agreed to submit this proposal to the fifth interim shareholders' meeting of the Company in 2025 for consideration. The proposal was considered and approved at the twentieth meeting of the Audit and Risk Management Committee of the eighth session of the Board and the special meeting of independent directors. Please refer to the website of the Shanghai Stock Exchange for details of the Administrative Rules on Related Party Transactions of Sinoma International Engineering Co., Ltd. (Revised in 2025) (https://www.sse.com.) Voting results: 8 voted in favour, 0 voted against and 0 abstained. Considered and approved the Proposal on Revising the Working Rules for the Special Meeting of Independent Directors of the Company. Please refer to the website of the Shanghai Stock Exchange for the Working Rules for the Meeting of Independent Directors of Sinoma International Engineering Co., Ltd. (As amended in 2025) (https://www.sse.com.) Voting results: 8 voted in favour, 0 voted against and 0 abstained. Considered and adopted the Proposal on Revising the List of Matters for Consideration of Sinoma International. Voting result: 8 voted for, 0 voted against and 0 abstained. Considered and approved the "Resolution on the Operating Performance Assessment Indicators of the Senior Management of the Company for the Year 2025". The resolution was considered and approved at the seventh meeting of the Remuneration and Appraisal Committee of the eighth session of the Board of the Company.Mr. Zhu Bing, a director and president, abstained from voting on his own assessment indicators. Voting results: 7 voted in favour, 0 voted against and 0 abstained. 18. Consideration and adoption of the Proposal on Convening the Fifth Interim Shareholders' Meeting in 2025. For details, please refer to the Notice on Convening the Fifth Interim Shareholders' Meeting in 2025 of Sinoma International Engineering Co., Ltd. (Lin 2025-067). Voting result: 8 voted for, 0 voted against and 0 abstained. Hereby announce.