Lam Tong: Securities Meet TWSE's Alert Trading Information Criteria, Announces Key Financial and Business Updates

1. Date of Event: June 23, 2026 2. Reason for Announcement: In compliance with notification from the Taiwan Stock Exchange Corporation 3. Financial and Business Information: a. Consolidated Financial Data: Item Most Recent Month YoY Change% Most Recent Quarter YoY Change% Last Four Quarters Cumulative Period May 2026 Q1 2026 Q2 2025 – Q1 2026 (Self-Compiled) (Audited) (Audited/Reviewed) ================================================================================================= Revenue 3,803 (Million) +29.31% 9,143 (Million) +20.62% 34,661 (Million) Pre-Tax Net Profit 655 (Million) +235.90% 483 (Million) -9.72% 2,315 (Million) Net Income 438 (Million) +265.00% 315 (Million) -6.53% 1,488 (Million) Earnings Per Share 1.21 (NTD) +266.67% 0.87 (NTD) -6.45% 4.10 (NTD) 4. Whether any material information under Article 4 of the TWSE's Procedures for Verification and Disclosure of Material Information by Listed Companies applies: No 5. Whether a press conference under Article 11 of the same procedures is required: 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 under IFRS (3) Historical Profit (Audited/Reviewed): Financial Statements > Under IFRS > Consolidated/Individual > Comprehensive Income Statement (4) Historical Profit (Voluntary Self-Compiled): Operations Overview > Self-Compiled Profit Announcement: None 7. Other Matters to Note: None