JPP-KY Announces Adjustment of Conversion Price for Fourth Unsecured Convertible Bonds in Taiwan

1. Date of Event: June 24, 2026 (ROC Year 115) 2. Company Name: JPP Precision Holding Co., Ltd. 3. Relationship with Company: Parent Company 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: In accordance with the issuance and conversion regulations of the fourth unsecured convertible bonds issued in Taiwan, the conversion price is adjusted. 6. Response Measures: Due to the distribution of cash dividends, the conversion price shall be adjusted pursuant to Article 12 of the issuance and conversion regulations of the fourth unsecured convertible bonds issued in Taiwan. Therefore, effective from July 17, 2026 (ROC Year 115), the conversion price of these bonds will be adjusted from TWD 353.0 to TWD 348.5. 7. Other Matters to be Disclosed: None. This announcement qualifies as material information under Article 7, Paragraph 9, Item (9) of the Enforcement Rules of the Securities and Exchange Act, as it may significantly affect shareholder rights or securities prices.