Littelfuse, Inc. (NASDAQ: LFUS) today announced it will release results for the first quarter of 2012 prior to the opening of the market on Thursday, May 3, 2012. Company management will host a conference call later that morning, Thursday, May 3, 2012, at 10:00 a.m. Central / 11:00 a.m. Eastern time to discuss the results. The call will be broadcast live over the Internet and can be accessed through the company’s Web site: www.littelfuse.com. Listeners should go to the Web site at least 15 minutes prior to the call to download and install any necessary audio software. The call will be available for replay through June 30, 2012 on the company’s Web site. About Littelfuse Founded in 1927, Littelfuse, Inc., the worldwide leader in circuit protection, offers the industry’s broadest and deepest portfolio of circuit protection products and solutions. Littelfuse devices protect products in virtually every market that uses electrical energy, from consumer electronics to automobiles to industrial equipment. In addition to its Chicago, Illinois, world headquarters, Littelfuse has more than 30 sales, distribution, manufacturing and engineering facilities in the Americas, Europe and Asia. Technologies offered by Littelfuse include Fuses; Gas Discharge Tubes (GDTs); Positive Temperature Coefficient Devices (PTCs); Protection Relays; PulseGuard® ESD Suppressors; SIDACtor® Devices; TVS Diode Arrays (SPA™ Family of Products); Switching Thyristors; TVS Diodes and Varistors. The company also offers a comprehensive line of highly reliable Electromechanical and ElectronicSwitch and Control Devices for commercial and specialty vehicles, as well as underground Power Distribution Centers for safe control and distribution of electricity in mining operations. For more information, please visit Littelfuse’s Web site at littelfuse.com.