[Lian Wan Li] Disclosure of significant financial and business information due to securities meeting trading caution criteria on the centralized market

Significant Message

1. Date of occurrence: 2026/06/05 2. Reason for occurrence: Handled in accordance with the notification from the Taiwan Stock Exchange Co., Ltd. 3. Financial and business information:

(Unit: Millions of NTD, EPS in NTD)

Period: - April 2026 (Month) - 2026 Q1 (Quarter) - 114 Q2 to 115 Q1 (Cumulative of the last four quarters)

| Item | April 2026 | YoY Change | 2026 Q1 | YoY Change | Last 4 Quarters Cumulative | |---|---|---|---|---|---| | Operating Revenue | 86 | 2134.01% | 136 | 643.67% | 243 | | Pre-tax Profit | 116 | 2635.03% | 123 | 13284.27% | 282 | | Net Profit Attributable to Parent | 116 | 2635.03% | 114 | 8743.77% | 273 | | EPS | 1.44 | 2635.03% | 1.41 | 8743.77% | 3.39 |

Explanation: In April 2026 and Q1 2026, the electronics division benefited from market demand, and investment items were evaluated according to regulations, leading to increased profits.

4. Matters listed in Article 4 of the 'Taiwan Stock Exchange Co., Ltd. Procedures for Verification and Disclosure of Material Information of Listed Companies': None. 5. Matters requiring a press conference under Article 11 of the same procedures: None. 6. For complete financial information, please check the Market Observation Post System (MOPS). 7. Other matters: None.