【P.S. Chang Industrial-KY】Announces Estimated Consolidated Revenue for June 2026

1. Date of Fact: 2026/07/07 2. Company Name: P.S. Chang Industrial Co., Ltd. 3. Relationship with Company (Please enter本公司or Subsidiary):本公司 4. Cross-shareholding Ratio: Not applicable. 5. Reason for Announcement: Announcement of the estimated consolidated revenue for June 2026. (1) The company's estimated consolidated revenue for June 2026 was NT$603,079 thousand, representing a 16.65% increase compared to NT$517,011 thousand in the same period of 2025. (2) Cumulative consolidated revenue from January to June 2026 reached NT$3,804,925 thousand, up 2.50% from NT$3,712,289 thousand in the same period of 2025. (3) The above figures for 2026 are self-calculated by the company and have not yet been audited (reviewed) by certified public accountants. 6. Response Measures: None. 7. Other Matters to be Disclosed (If the subject of the event or resolution is a publicly issued company or above, this material information also meets the criteria under Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act regarding matters significantly affecting shareholders' rights or securities prices): None.