LITTELFUSE TO PRESENT AT THE THOMAS WEISEL PARTNERS TECHNOLOGY & TELECOM CONFERENCE FEBRUARY 8

CHICAGO, February 2, 2010 – Littelfuse, Inc. (NASDAQ:LFUS) the global leader in circuit protection, today announced that Gordon Hunter, Chief Executive Officer, and Phil Franklin, Chief Financial Officer, will present at the Thomas Weisel Partners Technology & Telecom Conference 2010 on Monday, February 8, 2010 at The Fairmont Hotel in San Francisco at 3:50 PM Pacific time.

This presentation will be webcast live and archived for 30 days and can be accessed through the following link:www.veracast.com/webcasts/twp/tech2010/31nwx_96.cfm

For those attending the conference who would like a one-on-one meeting with Littelfuse management, time slots are available on Tuesday, Feb. 9. Please contact Michi Sethavarangura at twpcorporateevents@tweisel.com or 415-364-2640.

About Littelfuse
As the worldwide leader in circuit protection products and solutions with annual sales of $530.9 million in 2008, the Littelfuse portfolio is backed by industry-leading technical support, design and manufacturing expertise. Littelfuse products are vital components in virtually every product that uses electrical energy, including automobiles, computers, consumer electronics, handheld devices, industrial equipment and telecom/datacom circuits. Littelfuse offers Teccor®, Wickmann® and Pudenz® brand circuit protection products. In addition to its Chicago, Illinois, world headquarters, Littelfuse has sales, distribution, manufacturing and engineering facilities in Brazil, Canada, China, England, Germany, Hong Kong, India, Japan, Korea, Mexico, the Netherlands, the Philippines, Singapore, Taiwan and the U.S.

For more information, please visit Littelfuse’s web site at www.littelfuse.com. # # #


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