Industrial Securities Co., Ltd.
Regarding
Wuxi DK Electronic Materials Co., Ltd.
2026 Annual Issuance of Shares to Specific Targets
Listing Sponsorship Letter
Sponsor (Lead Underwriter)
(No. 268 Hudong Road, Fuzhou City)
July 2026
Table of Contents
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Basic Information of the Issuer
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Issuance Details of the Securities Applied for Listing
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Professional Qualifications of Sponsor Staff and Sponsorship Business
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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 Fulfilled Decision-Making Procedures for This Securities Issuance and Listing as Required by the Company Law, Securities Law, and Regulations of the CSRC and Shenzhen Stock Exchange
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Professional Judgment of the Sponsor Regarding Whether the Issuer Meets Sector Positioning and National Industrial Policies, Including Reasons, Basis, 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 for the Sponsor's Continuous Supervision After the Listing of the Issuer's Securities
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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 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, and other relevant laws, regulations, and provisions of the China Securities Regulatory Commission and the Shenzhen Stock Exchange. We have acted with honesty, trustworthiness, and due diligence, strictly following established business rules and industry self-regulatory standards to issue this listing sponsorship letter, and we 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 Annual Issuance of Shares to Specific Targets Prospectus."
(1) Issuer Overview
| 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, Jiangsu Province |
| Principal Office Address | No. 8 Yongsheng Road, Qiting Street, Yixing City, Wuxi, 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 projects: power generation, power transmission, 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 approval results). General projects: R&D of electronic special materials; manufacturing of electronic special materials; sales of electronic special 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, technical transfer, technical 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 can be carried out independently with a business license). |