International Rectifier Schedules Earnings Release and Conference Call for October 27

EL SEGUNDO, Calif.--Oct. 6, 2004--International Rectifier Corporation will release its fiscal first-quarter financial results on Wednesday, October 27, at approximately 1:30 p.m. Pacific time, followed by a conference call at 2:15 p.m. Pacific time. CEO Alex Lidow and CFO Mike McGee will discuss the company's first-quarter results and outlook. Participants may join the call by dialing 212-896-6121 by 2:10 p.m. Pacific time, or may listen over the Internet through Vcall at http://www.vcall.com or through StreetEvents at http://www.streetevents.com. To listen to the live call, please go to the web site at least 15 minutes early to register, download, and install any necessary audio software.

A taped replay of this call will be available from approximately 4:15 p.m. Pacific time on Wednesday, October 27, through midnight on Monday, November 1. To listen to the replay by phone, call 800-633-8284 and enter reservation number 21193653. International callers may dial 402-977-9140 and use the same reservation number. To listen to the replay over the Internet, please go to http://www.irf.com and link to Vcall or StreetEvents.

About International Rectifier

International Rectifier 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 eliminate 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.