JERSEY CITY, NJ -- April 23, 2007 -- BEL FUSE INC., (NASDAQ:BELFA) & (NASDAQ:BELFB) will release preliminary unaudited financial results for the first quarter ended March 31, 2007 at approximately 7:30 a.m. EDT on Monday, April 30, 2007. Bel has scheduled a conference call at 11:00 a.m. EDT that morning to discuss its results for the quarter.

A simultaneous webcast of the conference call may be accessed online from the Investor Info link at www.BelFuse.com. A replay will be available after 1:00 p.m. EDT, for a period of 20 days, at this same Internet address. For a telephone replay, dial (800) 633‑8284, reservation #21336227 after 1:00 p.m. EDT.

About Bel

Bel (www.belfuse.com) and its subsidiaries are primarily engaged in the design, manufacture and sale of products used in networking, telecommunications, high speed data transmission and consumer electronics. Products include magnetics (discrete components, power transformers and MagJack®s, modules (DC-DC converters, integrated analog front end modules, custom designs), circuit protection (miniature, micro and surface mount fuses) and interconnect devices (passive jacks, plugs and cable assemblies). The Company operates facilities around the world.

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#4323

Bel Fuse Inc.

206 Van Vorst Street

Jersey City, NJ 07302

www.belfuse.com

tel 201.432.0463

fax 201.432.9542

Investor Contact:

Neil Berkman Associates

(310) 277-5162

info@berkmanassociates.com

Company Contact:

Daniel Bernstein

President

ir@BelFuse.com