Exhibit 99.1 FOR IMMEDIATE RELEASE Bel Fuse Inc. 300 Executive Drive Suite 300 West Orange, NJ 07052 www.belfuse.com tel 201.432.0463 Bel Reports Second Quarter and First Half 2025 Results WEST ORANGE, NJ, Thursday, July 24, 2025-- Bel Fuse Inc. (Nasdaq: BELFA and BELFB) today announced preliminary financial results for the second quarter and first half of 2025. Second Quarter 2025 Highlights "We are pleased with our second quarter results, which exceeded expectations due to improved on-time shipments and e ...