[Baihe Industrial-KY] Announcement of Baihe Industrial's Self-Consolidated Profit and Loss Information for May 2026

1. Date of Fact: 2026/06/12 2. Company Name: Baihe Industrial Co., Ltd. 3. Relationship with the Company (Please enter Head Office or Subsidiary): Head Office 4. Mutual Shareholding Ratio: Not Applicable 5. Reason for Occurrence: Announcement of Self-Consolidated Profit and Loss Information for May 2026

2026 2025 Cumulative Item May 2026 Jan-May Cumulative Jan-May Cumulative Difference Rate -------------- ------------- ----------- ------------ ---------- Consolidated Revenue (NTD Thousands) $ 615,949 $3,201,846 $3,195,278 0.2% Consolidated Net Profit (NTD Thousands) $ 67,001 $ 349,614 $ 619,099 (43.5%) Consolidated Profit Before Tax (NTD Thousands) $ 17,221 $ 107,849 $ 402,842 (73.2%) Consolidated Profit After Tax (NTD Thousands) $ 246 $ 42,633 $ 300,398 (85.8%) Net Profit Attributable to Baihe Industrial Co., Ltd. (NTD Thousands) $ 245 $ 42,626 $ 300,366 (85.8%) Earnings Per Share Attributable to Baihe Industrial Co., Ltd. (NTD) $ 0.00 $ 0.10 $ 0.72

Note 1: The above figures are self-consolidated by the company and have not been audited (reviewed) by accountants. 6. Response Measures: None. 7. Other Matters to be Stated (If the subject of the event or resolution is a company with more than public issuance, this major information simultaneously meets the items defined in Article 7, Paragraph 9 of the Securities Exchange Act Enforcement Rules that have a major impact on shareholders' rights or securities prices): None Keyword: Major Information