[Paohsing-KY] Announcement of self-consolidated revenue for May 2026

1. Date of occurrence: 2026/06/05 2. Company name: Paohsing Industry Co., Ltd. 3. Relationship with the company: The company itself 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: Announcement of self-consolidated revenue estimates for May 2026. (1) Self-consolidated revenue for May 2026 was NT$615,949,000, an increase of 5.14% compared to NT$585,852,000 for the same period in 2025. (2) Cumulative self-consolidated revenue from January to May 2026 was NT$3,201,846,000, an increase of 0.21% compared to NT$3,195,278,000 for the same period in 2025. (3) The aforementioned figures are self-calculated by the company and have not been audited (or reviewed) by accountants. 6. Countermeasures: None 7. Other matters: As a public company, this major information meets the requirements of Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a significant impact on shareholder equity or securities prices.