2906 Kourin

Release Date: June 23, 2026 Statement Date: June 22, 2026 Statement Time: 14:15:40 Company Code: 2906 Company Name: Kourin Corporation Subject: Announcement of Investor Briefing Information Applicable Clause: Clause 12 Factual Date: June 25, 2026

Details: Applicable under Article 4, Clause XX: 12 Factual Date: June 25, 2026

1. Date of Investor Briefing: June 25, 2026 2. Time of Investor Briefing: 2:00 PM 3. Location of Investor Briefing: Kourin Industrial Co., Ltd. (21F.-8, No. 95, Sec. 1, Xintai 5th Road, Xizhi District, New Taipei City, Taiwan) 4. Summary of Investor Briefing: Overview of company operations and business activities 5. Other Matters to be Stated: None

For complete financial and business information, please refer to the Investor Briefing Schedule or the Earnings Call section on the Public Information Observation Station website.