Shishuo Industrial Co., Ltd.: Board of Directors Resolves on Second Issuance of 2025 Restricted Employee Shares, Setting Capital Increase Record Date

1. Date of occurrence of the event: 2026/05/11 2. Company name: Shishuo Industrial Co., Ltd. 3. Relationship with the company (please enter "our company" or "subsidiary"): Our company 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: (1) The company's board of directors resolved on March 13, 2025, and the annual general meeting of shareholders resolved on June 19, 2025, to issue 2025 restricted employee shares, which was approved by the Financial Supervisory Commission on September 19, 2025, via letter No. 1140358505. (2) The total number of restricted employee shares issued this time is 357,000 shares, and the issue price is NT$33.60 per share. (3) The payment period is set from May 25, 2026, to June 25, 2026, with June 25, 2026, as the capital increase record date. 6. Countermeasures: Not applicable 7. Other matters that need to be specified (if the subject of the event or resolution is a public offering company or above, this material information also complies with Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a significant impact on shareholders' equity or securities prices): None