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Intersil Corporation to Present at Morgan Stanley Conference

MILPITAS, CA, March 4, 2005 – Intersil Corporation (NASDAQ: ISIL), a world leader in the design and manufacture of high performance analog solutions, today announced that Dan Heneghan, vice president and CFO, will present at the Morgan Stanley Semiconductor & Systems Conference at the St. Regis Monarch Beach Resort & Spa in Dana Point, California on Monday, March 7, 2005.

Intersil's presentation at the Morgan Stanley Semiconductor & Systems Conference is scheduled to begin at 3:45 p.m. Pacific time. The presentations for the conference will be webcast live, and may be accessed at the Company's website www.intersil.com/cda/investor. An archived replay will be available following the live presentation. About Intersil
Intersil Corporation, a NASDAQ-100 Index company, is a leader in the design and manufacture of high performance analog semiconductors. The company's products address three of the industry's fastest growing markets: flat panel displays, optical storage (CD and DVD recordable) and power management. Intersil products include power management devices for battery management, hot-swap and hot-plug controllers, linear regulators, supervisory ICs, switching DC-DC regulators and power MOSFET drivers; optical storage laser diode drivers; DSL line drivers; video and high performance operational amplifiers; data converters; interface ICs; analog switches and multiplexers; crosspoint switches; voice-over-IP devices; and ICs for military, space and rad-hard applications. For more information about Intersil or to find out how to become a member of our winning team, visit the company's web site and career page at www.intersil.com.