SIRC Corporation will exhibit at the "Factory Innovation Week 2025 Manufacturing Industry Carbon Neutral Exhibition" held at Port Messe Nagoya from October 29 (Wednesday) to 31 (Friday), 2025. This exhibition is a specialized event that gathers the latest technologies aimed at achieving carbon neutrality in factories, including visualization of CO₂ and energy, renewable energy, and energy-saving equipment. We invite you to take this opportunity to see SIRC's unique products and services. [Nagoya] Factory Innovation Week 2025 Manufacturing Industry Carbon Neutral Exhibition Date: October 29 (Wed) to October 31 (Fri), 2025, 10:00 AM to 5:00 PM Venue: Port Messe Nagoya, Hall 3 Booth Number: N39-13 (Manufacturing Industry Carbon Neutral Exhibition)

Mariko Takahashi, our CEO, will be speaking at the event "New Business Created by Data × Visualization - Startup Co-Creation Session" hosted by Itochu Techno-Solutions Corporation. New Business Created by Data × Visualization - Startup Co-Creation Session Date and Time: September 25, 2025 (Thursday) 15:00 - 18:00 Venue: Kamiyacho Station Area Conference Room (Minato-ku, Tokyo) Participation Fee: Free | Scheduled Startup Companies | NodeX Corporation Quollio Technologies Corporation SIRC Corporation

It was published in the Steel News. An article about our company was featured in the Steel News on June 19, 2025 (Thursday). ◆ Steel News, June 19, 2025, Page 6 SIRC IoT Power Sensor Unit "High-Speed Model" Released