Silex-KY Announces Major Financial Information Due to Trading Alert Threshold Being Met

1. Date of Event: June 22, 2026

2. Reason for Announcement: As the company's securities reached the threshold for public alert information on the centralized trading market, Silex-KY is disclosing significant financial and operational information to ensure investor clarity and informed decision-making.

3. Financial and Business Information:

| Item | Most Recent Month (May 2026) | YoY Change % | Most Recent Quarter (Q1 2026) | YoY Change % | Last Four Quarters Accumulated (Q2 2025 – Q1 2026) | |---|---|---|---|---|---| | Revenue (NT$ million) | 1,911 | +32% | 4,860 | +19% | 19,579 | | Pre-tax Net Profit (NT$ million) | 296 | +56% | 787 | +107% | 3,084 | | Net Profit Attributable to Owners (NT$ million) | 278 | +47% | 769 | +114% | 2,888 | | Basic Earnings Per Share (NT$) | 0.72 | +49% | 1.98 | +113% | 7.45 |

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 above procedures is required: No

6. Complete financial data is available on the Public Information Observation Station via the following paths:

(1) Recent operating revenue and profit/loss: Basic Information > Highlights (2) Historical monthly revenue: Operations Overview > Monthly Revenue > Monthly Revenue Information under IFRS (3) Historical profit/loss (audited/reviewed figures): Financial Statements > Under IFRS > Consolidated/Individual > Comprehensive Income Statement (4) Historical profit/loss (voluntary preliminary announcements): Operations Overview > Preliminary Earnings Announcements: None

7. Other Matters to be Disclosed: None