Shine Hsin (1582) Discloses Financial Information Following TWSE Attention Notice

Announcement Date: 2026/05/20 Company Code: 1582 Company Name: Shine Hsin

Subject: Disclosure of material financial and business information for investor reference, as the company's securities have met the criteria for an "attention information" announcement on the centralized trading market.

Applicable Clause: Article 51 Date of Occurrence: 2026/05/20

Explanation: 1. Date of occurrence: 2026/05/20 2. Reason for occurrence: Action taken in accordance with a notice from the Taiwan Stock Exchange Corporation.

3. Financial and Business Information: (Units: TWD millions, except for EPS in TWD)

| Period | April 2026 (Unaudited) | YoY Change | Q1 2026 (Reviewed/Audited) | YoY Change | Last 4 Quarters (Audited) | |-----------------------------------|------------------------|------------|----------------------------|------------|---------------------------| | Operating Revenue | 771 | -1% | 2,115 | -6% | 8,552 | | Profit Before Tax | 127 | +41% | 88 | -69% | 678 | | Net Profit to Parent Co. Owners | 117 | +129% | 51 | -66% | 397 | | Earnings Per Share (EPS) | 0.81 | +131% | 0.35 | -67% | 2.75 |

*Last four quarters are from Q2 2025 to Q1 2026.

4. Is there any material information as listed in Article 4 of the "Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information of Listed Companies"? No.

5. Is there a press conference regarding material information as listed in Article 11 of the same procedures? No.

6. For complete financial information, please refer to the Market Observation Post System (M.O.P.S.).

7. Other matters to be specified: None.