Issuance Sponsorship Letter
CITIC Securities Company Limited (hereinafter referred to as "CITIC Securities," "Sponsor," or "this Sponsor") has been engaged by STO Express Co., Ltd. (hereinafter referred to as "STO Express," "Issuer," or "Company") to act as the sponsor for the Company's 2026 issuance of convertible corporate bonds to non-specific targets and to issue this sponsorship letter.
The Sponsor and the designated sponsor 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 Registration of Securities Issuance by Listed Companies, the Administrative Measures for the Sponsorship of Securities Issuance and Listing, and other relevant laws, regulations, and provisions of the China Securities Regulatory Commission and the Shenzhen Stock Exchange. We have acted with honesty, integrity, and due diligence, strictly following established professional rules, industry standards, and ethical codes to issue this sponsorship letter, and we guarantee the truthfulness, accuracy, and completeness of the documents provided. If the documents prepared or issued by the Sponsor for this issuance contain false records, misleading statements, or major omissions, causing losses to investors, the Sponsor will compensate investors for their losses in accordance with the law.
All abbreviations and definitions in this document are consistent with the "STO Express Co., Ltd. 2026 Prospectus for the Issuance of Convertible Corporate Bonds to Non-Specific Targets," unless otherwise specified.
Section 1 Basic Information on the Securities Issuance
1. Name of the Sponsor
CITIC Securities Company Limited
2. Information on Sponsor Representatives Designated for the Issuance
CITIC Securities has designated Zhou Jiang and Bai Rixing as the sponsor representatives for STO Express's issuance of convertible corporate bonds to non-specific targets. Their professional backgrounds are as follows:
Zhou Jiang, male, currently Senior Vice President of the Global Investment Banking Management Committee of CITIC Securities, sponsor representative. Projects previously led or participated in include: refinancing projects for China Eastern Airlines, China Merchants Energy Shipping, Yunda Holding, China MCC, and CCCC; major asset swaps and share issuance for asset acquisitions for Dingtai New Material (SF Holding restructuring and listing), Wuhan Zhongshang (Juran Zhijia restructuring and listing), and China Merchants Energy Shipping.
Bai Rixing, male, currently Senior Vice President of the Global Investment Banking Management Committee of CITIC Securities, sponsor representative. Projects previously led or participated in include: refinancing projects for Air China, Hainan Airlines, China Merchants Port, and Air China Cargo; the merger of Dalian Port and Yingkou Port via share exchange, Jianfa Shares' acquisition of controlling interest in Red Star Macalline, and Huaxia China Resources Commercial REIT.
3. Project Coordinator and Other Project Team Members
CITIC Securities has designated Hong Zhenhuan as the project coordinator, and Fu Jinghao, Luo Xinyi, and Jin Tong as other project team members.
Professional background of the project coordinator:
Hong Zhenhuan, male, currently Vice President of the Global Investment Banking Management Committee of CITIC Securities. Projects previously led or participated in include: Qilianshan's major asset swap and share issuance for asset acquisition, Qingdao Port's share issuance and cash payment for asset acquisition, and Gree Real Estate's major asset swap.
4. Basic Information of the Issuer
(1) Basic Information