4532 RECHI: Announces Combined Revenue for June 2026

Release Date: July 8, 2026 Statement Date: July 7, 2026 Statement Time: 16:15:38 Company Code: 4532 Company Name: RECHI Precision Co., Ltd. Subject: Self-Consolidated Revenue Performance for June 2026 Applicable Clause: Item 51 Event Date: July 7, 2026

1. Event Date: July 7, 2026 2. Company Name: RECHI Precision Co., Ltd. 3. Relationship with Company (Enter 'Company' or 'Subsidiary'): Company 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: Self-consolidated revenue performance for June 2026 6. Response Measures: None 7. Other Matters to be Disclosed:

RECHI Precision's self-consolidated net sales volume from overseas plants (after eliminating intercompany sales) reached 2.0636 million units in June 2026, an increase of approximately 24.05% compared to the same period last year. The cumulative consolidated net sales volume from January to June 2026 was approximately 13.4705 million units, up about 6.25% year-on-year.

RECHI Precision's self-consolidated operating revenue from overseas plants (after eliminating intercompany sales) amounted to approximately NT$1.974 billion in June 2026, an increase of approximately 28.80% compared to the same period last year. The cumulative consolidated net revenue from January to June 2026 was approximately NT$12.365 billion, up about 1.91% year-on-year.