Pulse-Authorized Distributor, Digi-Key, Increases Product Availability in North American Sales Channels

Pulse-Authorized Distributor, Digi-Key, Increases Product Availability in North American Sales Channels

SAN DIEGO, California, USA - May 15, 2006

Pulse®, a Technitrol (NYSE: TNL) Company, one of the world’s largest electronic component manufacturers and a leader in passive, magnetic-based components, announced today that its most recently signed distributor, Digi-Key, expands Pulse’s sales channels throughout North America, including Canada, Mexico and Puerto Rico. Pulse products can be purchased directly from Digi-Key and are featured in its print and online catalog, www.digikey.dk. Digi-Key can fulfill both the prototype and production needs of both Pulse’s and Digi-Key’s widespread customer bases.

“We are very pleased to add Pulse to our line card,” said Mark Larson, Digi-Key’s president and COO. “Pulse’s leadership position in the areas of filtering and magnetic devices will further establish Digi-Key’s position as a leader in passive components.”

“Pulse is fortunate to have Digi-Key’s presence in its distribution channels, expanding Pulse’s reach in North America. Along with the leadership of Pulse’s classic product lines and recent new lines, Digi-Key continues widespread availability and support of Pulse products,” said John Carpenter, sales director for North America.

About Digi-Key Corporation

Digi-Key Corporation, based in Thief River Falls, Minn., is a global, full-service provider of both prototype/design and production quantities of electronic components, offering more than three million products from over 650 quality name-brand manufacturers. With over one million products in stock and an impressive selection of online resources, Digi-Key is committed to stocking the broadest range of electronic components in the industry and providing the best service possible to its customers. Additional information and access to Digi-Key's broad product offering is available on the Digi-Key website.

About Pulse

Headquartered in San Diego, California, Pulse, a Technitrol (NYSE: TNL) Company, is one of the largest magnetic component manufacturers in the world. Pulse primarily serves OEMs in the data networking, telecommunications, high-speed Internet access, power conversion, and military/aerospace and consumer electronics industries. Pulse’s expertise in interference (noise) reduction, miniaturization, power management, and signal conversion is well-recognized. In addition to offering an extensive line of custom and standard magnetics, Pulse designs and manufactures connectors and antennas for commercial and consumer electronics as well as electronic coils for the automotive market. As an ISO 9000-2000 registered manufacturer, Pulse is fully engaged in joint development programs with key customers to ensure they receive high-performance, high-quality, and high-reliability products at competitive prices. Pulse is a member of and actively participates in IEEE, ANSI, T1/E1, the DSL Forum, the San Diego Telecom Council, and MoCA™.

To contact Pulse directly call the worldwide headquarters in the United States at 858-674-8100, the European headquarters in the United Kingdom at +44 1483 401700, or the Asian headquarters in Changan, Dongguan, China at +86 769 85538070. Visit the Pulse website at www.pulseelectronics.com.

Copyright ©2006 Pulse Engineering, Inc. All rights reserved. All brand names and trademarks are properties of their respective holders.

Cautionary Note: This message contains "forward looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Actual results may differ materially. This release should be read in conjunction with the factors set forth in Technitrol's report on Form 10-K for the year ended December 30, 2005 in Item 1 under the caption "Factors that May Affect Our Future Results (Cautionary Statements for Purposes of the 'Safe Harbor' Provisions of the Private Securities Litigation Reform Act of 1995)."