Guotai Haitong Securities Co., Ltd.
Regarding Xi'an International Medical Investment Co., Ltd.
Issuance of Shares to Specific Targets and Listing on the Main Board
Sponsorship Letter
Sponsor (Lead Underwriter)
(No. 618, Shangcheng Road, China (Shanghai) Pilot Free Trade Zone)
July 2026
Statement
This sponsor and its representatives, 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, the Rules Governing the Listing of Stocks on the Shenzhen Stock Exchange, and other relevant laws, administrative regulations, and the provisions of the China Securities Regulatory Commission (CSRC) and the Shenzhen Stock Exchange, act with honesty, integrity, and due diligence. We have issued this sponsorship letter in strict accordance with legally formulated business rules, industry practice standards, and ethical guidelines, and we guarantee the authenticity, accuracy, and completeness of the documents issued.
Unless otherwise specified, the abbreviations or definitions in this sponsorship letter are consistent with the Prospectus (Registration Draft) for the issuance of shares to specific targets and listing on the Main Board by Xi'an International Medical Investment Co., Ltd.
Contents
Statement 1
Contents 2
Section I Basic Information of This Securities Issuance 3
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Name of the Sponsor for This Securities Issuance 3
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Designated Sponsors and Sponsorship Business Practice 3
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Project Coordinator and Other Project Personnel Designated by the Sponsor 3
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Information on the Issuer Sponsored in This Issuance 4
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Type of This Securities Issuance 8
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Plan for This Securities Issuance 8
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Statement on Whether the Sponsor Has Any Circumstances Affecting the Impartial Performance of Sponsorship Duties 11
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Internal Audit Procedures and Kernel Opinions of the Sponsor Regarding This Securities Issuance and Listing 12
Section II Sponsor's Commitments 15
Section III Recommendation Opinions on This Securities Issuance 16
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Decision-making Procedures Performed for This Securities Issuance 16
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Sponsor's Verification Regarding Compliance with National Industrial Policies and Board Positioning 17
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Compliance of This Issuance of Shares to Specific Targets with Regulations 17
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Major Risks Faced by the Issuer 23
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Analysis of the Issuer's Market Prospects 28
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Verification of Paid Employment of Third-party Institutions and Individuals 36
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Sponsor's Conclusion on This Securities Issuance and Listing 38