On November 14, the "Reiwa 7th Year Sennan Region Manufacturing Promotion Seminar and Exhibition Exchange Meeting" will be held. Nichiko Electric Co., Ltd. will also present improvement case studies at the Kaizen presentation session. Since it is a pre-registration system (free of charge), we would be grateful if you could apply and attend on the day. ◎ Reiwa 7th Year Sennan Region Manufacturing Promotion Seminar and Exhibition Exchange Meeting (Pre-registration required, free of charge) Date and Time: November 14, 2025 (Friday) from 12:40 to 16:40 Venue: Miyagi Prefecture Okawara Joint Government Building, 4th Floor "Large Conference Room" (Address: 129-1 Minami, Okawara Town, Shibata District, Miyagi Prefecture) Organizer: Specified Nonprofit Corporation Sennan Wide Area Industrial Association, Miyagi Prefecture Okawara Regional Promotion Office Co-sponsor: General Incorporated Association Miyagi Prefecture Business Owners Association Sennan Branch Miyagi Prefecture Okawara Regional Promotion Office, Regional Promotion Department (Contact: Yokoyama) TEL: 0224-53-3199 / FAX: 0224-53-3076 Please fill out the attached application form and apply via email. Application Deadline: October 27, 2025 (Monday) (Note) Members of the NPO Sennan Wide Area Industrial Association should also apply by the above date.

The "Osaki Industrial Fair 2025" will be held on October 17 (Friday) and 18 (Saturday), 2025, at Takakatsu Arena Osaki in Osaki City, Miyagi Prefecture, where the Nikkou Electric Sendai Sales Office will exhibit. Nikkou Electric Sendai Sales Office operates as a "specialist group in snow melting," proposing and installing snow melting equipment throughout the Tohoku region. We also handle repairs and maintenance of electric motors, as well as electrical materials (such as crimp terminals and circuit breakers). Our company is strongly associated with "Transformers Nikkou Electric," so please take this opportunity to visit our booth at the "Osaki Industrial Fair 2025." ◎ Osaki Industrial Fair 2025 https://osaki-industries.com/ Date: October 17 (Friday) and 18 (Saturday), 2025, from 10:00 to 16:00 Venue: Takakatsu Arena Osaki (Osaki City Furukawa General Gymnasium) 4-5-2 Asahi, Furukawa, Osaki City, Miyagi Prefecture Admission: Free Organizer: General Incorporated Association Osaki Industrial Promotion Organization, Osaki City

We are pleased to announce that our company will be exhibiting at the "JECA FAIR 2025 73rd Electrical Industry Exhibition," which will be held at Intex Osaka from May 28 (Wednesday) to May 30 (Friday). We kindly invite you to visit our booth during this event, and we look forward to welcoming you despite your busy schedule. Exhibition: "JECA FAIR 2025 73rd Electrical Industry Exhibition" (https://www.jecafair.jp/) Date: May 28 (Wednesday) to May 30 (Friday), 2025 Time: 10:00 AM to 5:00 PM (Opening at 10:30 AM on the first day and closing at 4:30 PM on the last day) Location: Intex Osaka, Halls 2, 3, 4, and 5 Address: 1-5-102 Nanko-Kita, Suminoe-ku, Osaka 559-0034 Booth No.: Hall 2, 2-69

We are pleased to announce that our company will be exhibiting at the "TECHNO FRONTIER 2026 41st Power System Exhibition," which will be held at Tokyo Big Sight from July 15 (Wednesday) to July 17 (Friday). We understand that you may be busy, but we sincerely hope you will take this opportunity to visit our booth. Exhibition: "TECHNO FRONTIER 2026 41st Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 15 (Wednesday) to July 17 (Friday), 2026 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, West Exhibition Hall Booth No.: West Hall 1 [1-W26]