Announcement on the Progress of Major Litigation Matters

Wuxi DK Electronic Materials Co., Ltd.·July 3, 2026·3 pages

✨ AI Summary

This announcement details the progress of Wuxi Dike Electronic Materials Co., Ltd. and its subsidiary's patent infringement lawsuits. One case was dismissed as the patent was declared invalid. The company will pursue administrative litigation regarding the invalidation decision. The outcome of the remaining three cases, also involving the invalidated patents, is uncertain and may be dismissed.

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Full Translation

AI Translation· gemini_document

Wuxi Dike Electronic Materials Co., Ltd.

Announcement on the Progress of Major Litigation Matters

The Company and the entire Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed, and are free from any false representations, misleading statements, or material omissions.

Key Information Prompt:

Litigation Stage: The lawsuit (2025) ZK ZM CM 3 has been rejected by the Zhejiang Provincial Higher People's Court. The lawsuits (2026) SZ ZM CM 1, (2026) SZ ZM CM 2, and (2026) PH ZM CM 2 have not yet been heard.
Party Status: Wuxi Dike Electronic Materials Co., Ltd. and its holding subsidiary Zhejiang Sote Material Technology Co., Ltd. are the plaintiffs.
Amount Involved: Excluding the lawsuit (2025) ZK ZM CM 3, which has been rejected, the other three lawsuits involve RMB 200,000,000 each, totaling RMB 600,000,000.
Impact on Company Profitability: The lawsuit (2025) ZK ZM CM 3 has been rejected. The remaining lawsuits have not yet been heard, making the impact on the company's current or future profits uncertain. The actual impact will be subject to court rulings.

Investors are advised to make informed decisions and be aware of investment risks.

I. Basic Case Information

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