KEL USA, Inc., a subsidiary of KEL Corporation, will exhibit at "The Battery Show North America 2025" (October 7-9, 2025, Huntington Place), an exhibition that promotes advancements in advanced battery and electric vehicle technology. On that day, we will showcase a wide range of products, including our high-speed transmission connector equivalent to PCIe 5.0 and our vibration-resistant, high-temperature floating connector rated for 140°C. We sincerely look forward to your visit. 1. Exhibition Overview The Battery Show North America 2025 Dates: October 7 (Tuesday) - 8 (Wednesday), 2025, 9:30 AM - 4:30 PM October 9 (Thursday), 2025, 9:30 AM - 3:00 PM Venue: Huntington Place, 1 Washington Boulevard, Detroit, MI 48226 2. Booth Location Booth Number: 114

KEL Corporation (Headquarters: Tama City, Tokyo, President: Akira Kasuga) will exhibit at the "2025 Yokohama International Automotive Technology Exhibition (May 21-23, 2025, Pacifico Yokohama)." We will provide information on the booth number, booth location, and booth image. 1. Exhibition Overview 2025 Yokohama International Automotive Technology Exhibition Dates: May 21 (Wednesday) to May 23 (Friday), 2025, for three days May 21 (Wednesday) to May 22 (Thursday) 10:00 AM to 6:00 PM May 23 (Friday) 9:00 AM to 4:00 PM Venue: Pacifico Yokohama Exhibition Hall Booth Number: 463

We will partially renew our company’s website. Until now, product materials could be downloaded from the Japanese website. From now on, product materials will also be available for download from websites in languages other than Japanese. *Product materials: 3D-CAD, product drawings, product specifications. *Websites in languages other than Japanese: English, German, Korean, Simplified Chinese, Traditional Chinese. Additionally, the membership registration feature on our website will be discontinued. You will be able to download product materials without registering as a member. We appreciate your continued support of our website and our products. 1. Renewal Details We will enable the download of product materials from websites in languages other than Japanese. *Please note that some products will be excluded. - You will be able to download product materials without registering as a member. *The membership registration feature will be discontinued. All previous member information will be deleted. We sincerely thank all members for their long-term registration. 2. Renewal Date April 27, 2021 (Tuesday)

Kelu Corporation has launched an online exhibition booth. Due to the impact of the COVID-19 pandemic, face-to-face visits have become difficult, and we would like to utilize this platform to introduce our products to more customers. The current product lineup is as follows: - Compact waterproof connectors - High-speed transmission connectors - High-current connectors - Other connector lineup Please note that the exhibited products are expected to change in the future. We will also update product materials and promotional videos accordingly, so we appreciate your continued attention.