International Rectifier to Exhibit at China Hi-Tech Fair 2007

International Rectifier, IR® (NYSE:IRF), a world leader in power management technology, today announced it will be showcasing the company’s latest power management solutions for Class D Audio applications at the China Hi-Tech Fair, Shenzhen Convention and Exhibition Center, Shenzhen, October 12-17, 2007. Located at Booth 8GR08 in the US Pavilion, IR will demonstrate the new IRS2092 integrated audio driver IC with protected PWM switching and IR’s full complement of digital audio MOSFETs. The chipset targets medium power, high performance Class D audio amplifiers from 50W to 500W in home theatre, home stereo, active speaker, musical instrument, and professional audio applications. In addition, technical experts will be on hand to discuss IR’s range of innovative products and platforms addressing applications for AC-DC, lighting and appliances including the iMOTION™ integrated design platform for variable speed motor drive. The China Hi-Tech Fair has been China’s leading meeting and marketplace for the high-technology industry since its inception in 1999. With exhibit space totaling 100,000 m2, the fair features leading enterprises from across China and around the world that showcase their technological achievements, exchange information, identify collaboration partners and explore business opportunities. For more information go to www.chtf.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 registered trademark of International Rectifier Corporation. All other product names noted herein may be trademarks of their respective holders.