Power Integrations Inc.

Alan D. Bickell , age 72, has served as a member of the Board since April 1999. Mr. Bickell spent more than 30 years with Hewlett-Packard Company, a computer-hardware company, serving as corporate senior vice president and managing director of geographic operations from 1992 until his retirement in 1996. Mr. Bickell serves on the board of directors of the Peking University Educational Foundation (USA).

Balakrishnan S. Iyer, age 50 —Mr. Iyer has been a director of Conexant since 2002. He served as senior vice president and chief financial officer of the Company from January 1999 to June 2003. He has served as a consultant to Mindspeed Technologies, Inc. (networking infrastructure semiconductors) from June 2003 through December 2004. Mr. Iyer is currently a director of IHS, Inc., Invitrogen Corporation, Power Integrations, QLogic Corporation and Skyworks Solutions, Inc.

Mr. Sharp joined our company in September 1991 as director, president and chief executive officer. In May 1992, he became chairman of our board. In July 2002, Mr. Sharp stepped down as president and chief executive officer of TriQuint, and in September 2004, he resigned as an employee of the company but remains as chairman of the board of directors of TriQuint. Previously, Mr. Sharp had served various roles associated with venture capital-financed semiconductor companies. In these assignments he was founder of Power Integrations, Inc. and Silicon Architects, Inc. (since acquired by Synopsys, Inc.). Mr. Sharp was also a Director at Volterra Semiconductor Corp., Megatest Corp. (since acquired by Teradyne, Inc.), Crystal Semiconductor, Inc. (since acquired by Cirrus Logic, Inc.) and Gazelle Microelectronics (now TriQuint). Prior to that time, Mr. Sharp was employed for 14 years by Signetics Corporation (since acquired by Philips Electronics N.V.), a semiconductor manufacturer and for nine years by Texas Instruments, Incorporated, a semiconductor manufacturer. Mr. Sharp also serves as a director of Power Integrations, Inc. and Ambric, Inc. He received a B.S. degree in Mechanical Engineering from Southern Methodist University, a M.S. degree in Engineering Science from California Institute of Technology and a M.B.A. from Stanford University.