Industrial Securities Co., Ltd.
Regarding
Wuxi DK Electronic Materials Co., Ltd.
2026 Issuance of Shares to Specific Targets
Listing Sponsorship Letter (Revised Draft)
Sponsor (Lead Underwriter)
(No. 268 Hudong Road, Fuzhou City)
August 2026
Table of Contents
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Basic Information of the Issuer
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Issuance of Securities Applied for Listing
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Sponsor Staff and Their Sponsorship Business Practice
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Explanation of Interests and Major Business Dealings between the Sponsor and its Affiliates and the Issuer and its Affiliates
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Sponsor Commitments
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Explanation of the Sponsor Regarding Whether the Issuer Has Performed the Decision-Making Procedures Stipulated by the Company Law, the Securities Law, the CSRC, and the Shenzhen Stock Exchange for this Securities Issuance and Listing
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Professional Judgment of the Sponsor Regarding Whether the Issuer Meets the Sector Positioning and National Industrial Policies, the Corresponding Reasons and Basis, and the Sponsor's Verification Content and Process
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Explanation of Compliance with Listing Conditions for this Issuance and Listing Application
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Specific Arrangements of the Sponsor for Continuous Supervision After the Issuer's Securities Listing
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Other Matters
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Sponsor's Conclusion on the Issuer's Stock Listing
Statement
Industrial Securities Co., Ltd. (hereinafter referred to as "Industrial Securities," "Sponsor," or "Sponsoring Institution") and its 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, and other laws and regulations, as well as relevant provisions of the China Securities Regulatory Commission and the Shenzhen Stock Exchange. We have acted with honesty, trustworthiness, and due diligence, strictly following legally established business rules and industry self-regulatory norms to issue this listing sponsorship letter, and guarantee that this listing sponsorship letter is true, accurate, and complete.
Unless otherwise specified, all abbreviations and definitions in this listing sponsorship letter are consistent with the "Wuxi DK Electronic Materials Co., Ltd. 2026 Prospectus for Issuance of Shares to Specific Targets."
(1) Overview of the Issuer
| Item | Content |
|---|---|
| Company Name | Wuxi DK Electronic Materials Co., Ltd. |
| Former Name | Wuxi DK Electronic Materials Technology Co., Ltd. |
| English Name | Wuxi DK Electronic Materials Co., Ltd. |
| Stock Listing Venue | Shenzhen Stock Exchange |
| Stock Code | 300842 |
| Stock Abbreviation | DKEM |
| Date of Incorporation | July 15, 2010 |
| Listing Date | June 18, 2020 |
| Company Type | Joint Stock Company (Listed) |
| Registered Address | No. 8 Yongsheng Road, Qiting Street, Yixing City, Wuxi City, Jiangsu Province |
| Main Office Address | No. 8 Yongsheng Road, Qiting Street, Yixing City, Wuxi City, Jiangsu Province |
| Registered Capital | 145.2797 million RMB |
| Legal Representative | Shi Weili |
| Unified Social Credit Code | 91320282559266993J |
| Postal Code | 214200 |
| Contact Phone | 0510-87825727 |
| Fax | 0510-87129111 |
| Company Website | http://www.dkem.cn |
| ir@dkem.cn | |
| Business Scope | Licensed items: Power generation business, power transmission business, power supply (distribution) business (for projects subject to approval according to law, business activities can only be carried out after approval by relevant departments; specific business projects are subject to the approval results). General items: R&D of special electronic materials; manufacturing of special electronic materials; sales of special electronic materials; manufacturing of display devices; sales of display devices; manufacturing of electronic components; wholesale of electronic components; retail of electronic components; R&D of new material technology; technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion; import and export agency; import and export of goods; import and export of technology; sales of gold and silver products; sales of chemical products (excluding licensed chemical products) (except for projects subject to approval according to law, business activities are carried out independently with the business license). |