CITIC Securities Co., Ltd. on the Listing Sponsorship Letter for Jiangsu Rijiu Optoelectronics Co., Ltd.'s A-share Issuance to Specific Objects

Statement

CITIC Securities Co., Ltd. (hereinafter referred to as "CITIC Securities" or "Sponsor") and its sponsoring representatives have issued this listing sponsorship letter 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, and other relevant laws, regulations, and the provisions of the China Securities Regulatory Commission (hereinafter referred to as "CSRC") and the Shenzhen Stock Exchange (hereinafter referred to as "SZSE"). They have acted in good faith, diligently, and responsibly, strictly following the business rules and industry self-regulatory norms established by law, and guarantee the authenticity, accuracy, and completeness of the documents issued. Unless otherwise specified, the abbreviations in this sponsorship letter have the same meanings as those in the "Prospectus for the A-share Issuance by Jiangsu Rijiu Optoelectronics Co., Ltd. for Specific Objects in 2026."

Table of Contents

1. Basic Information of the Issuer
2. Issuance Details
3. Project Sponsoring Representatives, Co-sponsors, and Other Team Members
4. Relationship Between the Sponsor and the Issuer
5. Sponsor's Commitments
6. Decision-making Procedures for the Securities Issuance and Listing
7. Sponsor's Ongoing Supervision Arrangements During the Issuance
8. Contact Information of the Sponsor and Sponsoring Representatives
9. Sponsor's Recommendation Conclusion for the Securities Listing

1. Basic Information of the Issuer

(1) Basic Information

• Company Name: Jiangsu Rijiu Optoelectronics Co., Ltd.
• English Name: Jiangsu Rijiu Optoelectronics Jointstock Co., Ltd.
• Establishment Date: January 12, 2010
• Listing Date: October 21, 2020
• Registered Capital: 281,066,667.00 yuan
• Stock Listing Location: Shenzhen Stock Exchange
• A-share Stock Abbreviation: Rijiu Optoelectronics
• A-share Stock Code: 003015.SZ
• Legal Representative: Chen Chao
• Company Address: East side of Jinzhou Road, Zhouzhuang Town, Kunshan City
• Phone: 0512-83639672
• Fax: 0512-83639328
• Website: http://www.rnafilms.cn
• Email: info@rnafilms.cn
• Business Scope: Production, research and development, and sales of hydrogen fuel cells, hydrogen fuel cell MEA components, safety explosion-proof energy-saving film materials for vehicle and building glass, optical film materials for displays, conductive film materials, piezoelectric film materials, heat transfer materials for decorative appearances, laminating film materials for decorative appearances, transfer and laminating film materials for molds, and composite high-gloss film materials; import and export of related products (projects requiring approval must be conducted after approval by relevant departments).