International Rectifier to Present at Moors & Cabot Semiconductor and Semiconductor Equipment Conference

Business Wire, August 8, 2005

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 and Investor Relations, will present at the First Annual Moors & Cabot Semiconductor and Semiconductor Equipment Conference in San Francisco on Wednesday, August 10 at 11:20 a.m.

Phillips will discuss International Rectifier's business strategy and growth opportunities for its 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, employs about 5800 people with operations in 20 countries throughout North America, Europe, Japan and Asia. The company's headquarters are located in El Segundo, California. Its mixed-signal analog IC's, advanced circuit devices, integrated power systems, and components are relied upon by the world's leading makers of next generation laptops, desktops, 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.