CITIC Securities Company Limited
Regarding
STO Express Co., Ltd.
2026 Issuance of Convertible Corporate Bonds to Non-Specific Targets
Listing Sponsorship Letter
[Chart: CITIC Securities Logo]
Address: North Tower, Excellence Times Plaza (Phase II), No. 8 Center 3rd Road, Futian District, Shenzhen, Guangdong Province
Date: July 2026
Declaration
CITIC Securities Company Limited (hereinafter "CITIC Securities" or "Sponsor") has accepted the engagement of STO Express Co., Ltd. (hereinafter "STO Express," "Issuer," or "Company") to act as the sponsor for the 2026 issuance of convertible corporate bonds to non-specific targets.
The Sponsor and its designated 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, and relevant regulations of the China Securities Regulatory Commission (CSRC) and the Shenzhen Stock Exchange. We have acted with honesty, diligence, and due care, strictly following established business rules and industry standards to issue this listing sponsorship letter, ensuring the authenticity, accuracy, and completeness of the documents provided. If the documents prepared by the Sponsor for this issuance contain false records, misleading statements, or major omissions that cause losses to investors, the Sponsor will compensate investors in accordance with the law.
In this listing sponsorship letter, unless the context otherwise requires, definitions are the same as those in the Prospectus for the 2026 Issuance of Convertible Corporate Bonds to Non-Specific Targets of STO Express Co., Ltd.
Table of Contents
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Declaration
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Table of Contents
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Section I: Basic Information on the Securities Issuance
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Section II: Affiliated Relationships Between the Sponsor and the Issuer
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Section III: Sponsor's Commitments
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Section IV: Sponsor's Work Arrangements During the Continuous Supervision Period
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Section V: Other Matters the Sponsor Deems Necessary to Explain
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Section VI: Sponsor's Recommendation Conclusion on the Listing
Section I: Basic Information on the Securities Issuance
I. Basic Information of the Issuer
(I) Issuer Overview
| Item | Content |
|---|---|
| Company Name | STO Express Co., Ltd. |
| English Name | STO Express Co., Ltd. |
| Total Share Capital | 1,530,802,166 shares |
| Stock Code | 002468.SZ |
| Stock Abbreviation | STO Express |
| Stock Listing Venue | Shenzhen Stock Exchange |
| Legal Representative | Chen Dejun |
| Date of Incorporation | November 1, 2001 |
| Address | Electromechanical Industrial Park, Yuhuan City, Zhejiang Province |
| Postal Code | 317600 |
| Telephone | 021-60376669 |
| Fax | 021-60376600 |
| Company Website | www.sto.cn |
| ir@sto.cn | |
| Business Scope | Domestic express delivery (excluding postal enterprise monopoly business) (operated under license), general cargo transportation (operated under license), international and domestic freight forwarding, customs declaration services, warehousing services (excluding hazardous chemicals), sales of paper products and electronic products, industrial investment. (For projects subject to approval according to law, business activities may only be carried out after approval by relevant departments) |
(II) Introduction to Main Business
The company is primarily engaged in the express delivery service industry. Adhering to the development philosophy of "upright operation and long-termism," the company is committed to the strategic goal of "building an economically efficient express delivery service with leading experience in China." It continues to deepen "digital intelligence operations and refined management," building a new franchise network culture of "everyone for me, I for everyone," further promoting the company's positive operations and service excellence, and striving to create a benchmark for "fast, efficient, and economical" express delivery services and the transformation and upgrading of China's express delivery industry.