Ji-Peng Announces New Audit Committee Members

Release Date: June 25, 2026 Statement Date: June 24, 2026 Statement Time: 15:27:36 Company Code: 2355 Company Name: Ji-Peng Industrial Co., Ltd.

Subject: Announcement of New Audit Committee Members Applicable Clause: Clause 6 Factual Date: June 24, 2026

Details: 1. Date of Change: June 24, 2026 2. Functional Committee Name: Audit Committee 3. Former Members: - Hsu, Sung-Tsai - Chen, Hsiang-Sheng - Chen, Hsi-Shih

4. Former Members' Background: - Hsu, Sung-Tsai: Senior Manager, Standard Chartered Bank - Chen, Hsiang-Sheng: Vice President, Ji-Peng Industrial Co., Ltd. - Chen, Hsi-Shih: Certified Public Accountant, Kuo-Tung United Certified Public Accountants

5. New Members: - Chen, Tse-Tai - Chen, Yen-Ling - Huang, Chih-Yuan

6. New Members' Background: - Chen, Tse-Tai: Certified Public Accountant, Kuo-Tung United Certified Public Accountants - Chen, Yen-Ling: Business Manager, Ji-Peng Industrial Co., Ltd. - Huang, Chih-Yuan: Associate Professor, Center for Space and Remote Sensing Research, National Central University

7. Nature of Change: Term Expiration 8. Reason for Change: Reappointment following term expiration 9. Previous Term: June 27, 2023 – June 26, 2026 10. Effective Date of New Appointment: June 24, 2026 11. Other Disclosures: None