4764 Shuang Jian

Release Date: June 24, 2026 Statement Date: June 23, 2026 Statement Time: 15:47:41 Company Code: 4764 Company Name: Shuang Jian Purpose: Due to the company's securities reaching the public alert threshold for unusual trading activity on the centralized market, we are disclosing significant financial and operational information to assist investor understanding.

Applicable Clause: Item 51 Event Date: June 23, 2026

Details: 1. Event Date: June 23, 2026 2. Reason: In compliance with instructions from the Taiwan Stock Exchange Corporation 3. Financial and Operational Information:

Period　　　　　Monthly　　　　　　　Quarterly　　　　　Last Four Quarters Cumulative ＝＝＝＝　＝＝＝＝＝＝＝＝＝＝＝　＝＝＝＝＝＝＝＝＝＝＝　＝＝＝＝＝＝＝ Most Recent Month　YoY % Change　Most Recent Quarter　YoY % Change　Q2 2025 to Q1 2026 Item　　　May 2026　　　　　　　　　Q1 2026　　　　　　　　　(Consolidated Audited & Reviewed) (Consolidated Self-Computed)　(Consolidated Reviewed) ＝＝＝＝　＝＝＝＝＝　＝＝＝＝＝　＝＝＝＝＝　＝＝＝＝＝　＝＝＝＝＝＝＝ Revenue　　312　　　　　42%　　　　823　　　　　25%　　　　　3,013 (Million NT$) Pre-Tax Net Profit　52　　　　569%　　　115　　　　151%　　　　 220 (Million NT$) Net Profit Attributable to Owners of Parent　42　　　　451%　　　88　　　　176%　　　　 161 (Million NT$) Earnings Per Share　0.49　　　450%　　　1.03　　　178%　　　　 1.88 (NT$)

4. Whether there is any material information under Article 4 of the 'TSE Procedures for Verification and Disclosure of Material Information for Listed Securities': No 5. Whether there is any plan for a press conference under Article 11: No 6. Complete financial data is available on the Public Information Observation System via the following paths: (1) Recent revenue and profit: Basic Information > Highlights (2) Historical monthly revenue: Operations Overview > Monthly Revenue > Monthly Revenue Information under IFRS (3) Historical profit/loss (audited/reviewed): Financial Statements > Under IFRS > Consolidated/Individual > Comprehensive Income Statement (4) Historical profit/loss (voluntary self-computed): Operations Overview > Self-Computed Profit/Loss Announcements 7. Other Matters to Note: None