International Rectifier to Present at Citigroup Semiconductor Conference

Business Wire, May 29, 2006

EL SEGUNDO, Calif. -- International Rectifier Corporation (IR) (NYSE:IRF), a world leader in power management technology, today announced that Tim Phillips, vice president of Corporate Marketing, will present at the Citigroup 7th Annual Semiconductor Conference in Boston on Wednesday, May 31 at 9:20 a.m. ET.

Phillips will discuss International Rectifier's business strategy and growth opportunities for its digital, analog, and mixed-signal power management technologies across key markets. A copy of the company's investor presentation material will be archived at http://www.irf.com/investor/investor_presentation.html.> Trademark Notice

IR(r) is a registered trademark of International Rectifier Corporation.

About International Rectifier

International Rectifier, a world leader in power management technology, maintains operations in 20 countries throughout North America, Europe, Japan and Asia. The company's headquarters are located in El Segundo, California. Its digital, analog, and mixed-signal ICs; advanced circuit devices; integrated power systems; and components are relied upon by the world's leading makers of next-generation laptops, servers, energy-efficient appliances, automobiles, lighting, aircraft, satellites, and advanced defense systems. International Rectifier's stock is listed on the New York Stock Exchange under the ticker symbol IRF. The company's website is located at www.irf.com.