Littelfuse Expands Relationship with Polytronics Technology Corporation

DES PLAINES, Ill.--Jan. 2, 20067, 2006--Littelfuse, Inc. today announced that it has signed a new business cooperation agreement with Polytronics Technology Corporation that expands the relationship between the two companies. Littelfuse has a minority investment in Polytronics, a leader in polymer PTC circuit protection components. Headquartered in Taiwan, Polytronics has both design and manufacturing capabilities in China.

"The extended relationship with Polytronics is a good strategic fit for Littelfuse," said Gordon Hunter, Chief Executive Officer of Littelfuse. "As part of the agreement, we will work with Polytronics to jointly develop new PTC circuit protection products. The agreement also adds Polytronics' broad range of axial and radial PTC devices to our existing surface mount PTC offering and Littelfuse's extensive circuit protection product portfolio further enhancing the value we bring to our customers."

Littelfuse is the global leader in circuit protection, with the broadest product line in the industry. The PTC products offered by Littelfuse and Polytronics are used to protect against over-current conditions in consumer electronics, computer, telecom, mobile power and other electronic applications.

About Littelfuse

As the worldwide leader in circuit protection products and solutions with annual sales of $500.2 million in 2004, 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(R), Wickmann(R) and Pudenz(R) brand circuit protection products. In addition to its Des Plaines, Illinois, world headquarters, Littelfuse has sales, distribution, manufacturing and engineering facilities in Brazil, China, England, Germany, Hong Kong, India, Ireland, 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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