Securities Issuance Sponsorship Letter

Securities Issuance Sponsorship Letter

LC Securities Co., Ltd.

Regarding Shandong Mining Machinery Group Co., Ltd.

2024 Annual Issuance of A-shares to Specific Targets

Sponsorship Letter

Sponsor (Lead Underwriter)

(15th Floor, Building 8, No. 195 Hong Kong East Road, Laoshan District, Qingdao City, Shandong Province)

June 2026

Statement

LC Securities Co., Ltd. (hereinafter referred to as "this sponsor" or "LC Securities") has been entrusted by Shandong Mining Machinery Group Co., Ltd. (hereinafter referred to as "Shandong Mining Machinery," "the Company," or "the Issuer") to act as the sponsor for the Company's issuance of shares to specific targets (hereinafter referred to as "this project").

This sponsor and its designated sponsorship representatives have acted in accordance with the Company Law of the People's Republic of China, the Securities Law of the People's Republic of China, the Administrative Measures for the Sponsorship of Securities Issuance and Listing, the Administrative Measures for the Registration of Securities Issuance by Listed Companies, and the Guidelines for Information Disclosure and Format of Securities Issuing Companies No. 27—Sponsorship Letter and Sponsorship Work Report. We have acted with honesty, integrity, and due diligence, strictly following established business rules, industry practice standards, and ethical codes to issue this sponsorship letter, and we guarantee the truthfulness, accuracy, and completeness of the documents provided.

Table of Contents

1. Statement

2. Table of Contents

3. Section 1: Basic Information on this Securities Issuance

• 1. Name of the Sponsor
• 1. Designated Sponsorship Representatives
• 1. Designated Project Coordinator and Other Team Members
• 1. Type of Securities Issuance
• 1. Basic Information of the Issuer
• 1. Verification of Affiliation between Sponsor and Issuer
• 1. Internal Review Procedures and Opinions

1. Section 2: Sponsor Commitments

• 1. Commitment to Sponsorship
• 1. Verification of Third-Party Engagement

1. Section 3: Recommendation Opinions

• 1. Recommendation Conclusion
• 1. Legality of Decision-Making Procedures
• 1. Compliance of the Issuance
• 1. Major Risks Faced by the Issuer
• 1. Future Development Prospects
• 1. Changes in Use of Proceeds since Initial Public Offering
• 1. Conclusion

Section 1: Basic Information on this Securities Issuance

1. Name of the Sponsor

The name of the sponsor is LC Securities Co., Ltd.

2. Designated Sponsorship Representatives

LC Securities has designated Nie Ronghua and Xu Guang as the sponsorship representatives for Shandong Mining Machinery's issuance of shares to specific targets.

Nie Ronghua: Sponsorship representative. Has led or participated in projects including the major asset restructuring of Asia Pacific Industrial (000691.SZ), the non-public offering of Asia Pacific Industrial (000691.SZ), the simplified issuance to specific targets for Mingjiahui (300506.SZ), Kexin Source (300731.SZ), and Laier Shares (688683.SH). Has strictly complied with the Administrative Measures for the Sponsorship of Securities Issuance and Listing and maintains a good professional record.

Xu Guang: Sponsorship representative, Certified Public Accountant. Has led or participated in projects including the major asset restructuring of Asia Pacific Industrial (000691.SZ), the non-public offering of Asia Pacific Industrial (000691.SZ), the simplified issuance to specific targets for Mingjiahui (300506), Kexin Source (300731.SZ), Chuanjinno (300505.SZ), and Tangrenshen (002567.SZ). Has strictly complied with the Administrative Measures for the Sponsorship of Securities Issuance and Listing and maintains a good professional record.

3. Designated Project Coordinator and Other Team Members

LC Securities has designated Wang Jun as the project coordinator.

Wang Jun: Has participated in projects including the major asset restructuring of Shenzhen Huaqiang (000062.SZ), the major asset restructuring of E-Guang Media (000917.SZ), the major asset restructuring of Asia Pacific Industrial (000691.SZ), the non-public offering of Asia Pacific Industrial (000691.SZ), and the simplified issuance to specific targets for Mingjiahui (300506.SZ).