Crystal Precision (3042 TT) Discloses Significant Financial and Business Information Due to Reaching Attention Trading Information Standard in Centralized Securities Exchange Market

1. Date of occurrence of the event: 2026/04/14 2. Cause of occurrence: In accordance with the notification from Taiwan Stock Exchange Corporation. 3. Financial and business information: - Latest month (March 2026, IFRS consolidated unaudited): Revenue NT$1,108 million (+2.59% YoY), Pre-tax net profit NT$195 million (-17.02% YoY), Net profit attributable to owners of the parent NT$161 million (-18.27% YoY), EPS NT$0.47 (-17.54% YoY). - Latest quarter (Q4 2025, IFRS consolidated audited): Revenue NT$3,324 million (-0.09% YoY), Pre-tax net profit NT$588 million (-15.40% YoY), Net profit attributable to owners of the parent NT$452 million (-20.56% YoY), EPS NT$1.33 (-17.90% YoY). - Latest four quarters cumulative (Q1 2025 to Q4 2025, IFRS consolidated audited): Revenue NT$13,349 million, Pre-tax net profit NT$2,200 million, Net profit attributable to owners of the parent NT$1,805 million, EPS NT$5.28. 4. Is there any material information listed in Article 4 of the 'Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information of Listed Securities' (if yes, please explain): No. 5. Is there any material information briefing conference listed in Article 11 of the 'Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information of Listed Securities': No. 6. For complete financial information, please refer to the Market Observation System. Path: (1) Recent revenue and profit/loss information: Basic Information > Highlights (2) Historical monthly revenue: Operations > Monthly Revenue > Monthly Revenue Information after IFRSs (3) Historical profit/loss (audited/reviewed by accountants): Financial Statements > After IFRSs > Consolidated/Individual Statements > Comprehensive Income Statement (4) Historical profit/loss (voluntary unaudited announcement): Operations > Unaudited Profit/Loss Announcement. 7. Other matters that need to be specified: None.