EL SEGUNDO, Calif. - September 22, 2005 - International Rectifier, IR® (NYSE: IRF), a world leader in power management technology, today announced that Michael P. McGee, Executive Vice President and Chief Financial Officer will present at CFO Magazine’s Sixth Annual Technology Conference taking place at San Francisco’s Hyatt Regency September 25 – 28.

Mr. McGee’s presentation, entitled, “Putting Finance in Sync with the Rhythm of the Business”, will offer insights into the company’s global sales and order entry distribution system for which IR won a Smithsonian Institute Award. In addition, McGee will outline how a company’s financial system can support sound decision-making throughout the enterprise and how Finance can synchronize with the rhythm of the business. His presentation is scheduled for September 27 at 10:15 am and is open to registered conference attendees.

The three-day conference brings senior financial executives from leading companies throughout the United States together to examine the tools and techniques CFOs use to drive successful execution of business strategy. For more information on the conference, go to http://cfo-tech-expo.com.

About International Rectifier

International Rectifier (NYSE:IRF) is a world leader in power management technology. IR’s analog and mixed signal ICs, advanced circuit devices, integrated power systems and components enable high performance computing and reduce energy waste from motors, the world’s single largest consumer of electricity. Leading manufacturers of computers, energy efficient appliances, lighting, automobiles, satellites, aircraft and defense systems rely on IR’s power management benchmarks to power their next generation products. For more information, go to www.irf.com.

Trademark Notice

IR® is a trademark of International Rectifier Corporation.