Announcement on Risk Warning in Stock Trading

Earlier from Hubei Sinophorus Electronic Materials

• Announcement on Abnormal Fluctuations in Stock TradingJun 13
• Announcement on Implementation of Dividend Distribution for 2025Jun 6
• Correction Announcement on Shareholding Reduction Plan for Shareholders with Over 5% SharesMay 21
• Announcement on Shareholding Reduction Plan for Shareholders with Over 5% SharesMay 20
• Announcement on Resolutions of the 1st Extraordinary General Meeting in 2026May 15

Later from Hubei Sinophorus Electronic Materials

• Announcement on Resolutions of the 2nd Extraordinary General Meeting in 2026Jul 1
• Announcement on Attending the 2026 Collective Reception Day for Investors of Listed Companies in Hubei Jurisdiction and 2025 Annual Performance BriefingJul 2
• Indicative Announcement on Change in Equity of Shareholders with Over 5% Shares Reaching 1% ThresholdJul 7
• Announcement on External Investment for Establishing a Joint Venture and Related Party TransactionAug 7
• Notice on Convening the 3rd Extraordinary General Meeting in 2026Aug 18