Peace Environmental Protection-Chuang Invited to Participate in KGI Securities' Online Corporate Briefing

Disclosure pursuant to Clause 4, Article XX, Item 12.

Date of Fact: 115/09/24

1. Date of Corporate Briefing: 115/09/24 2. Time of Corporate Briefing: 14:00 3. Location of Corporate Briefing: Company invited to participate in KGI Securities' online corporate briefing 4. Summary of Corporate Briefing: The company was invited to KGI Securities' online investor presentation, during which it introduced its operational results for the second quarter of 2026 and provided a forward-looking outlook. 5. Other Disclosures: None

For complete financial and business information, please refer to the public information observation station's corporate briefing schedule or the investor presentation section.