Power Integrations, Inc. (Nasdaq:POWI), the leading supplier of high-voltage analog integrated circuits used in power conversion, announced today that John Cobb, the company's chief financial officer, is scheduled to present at the First Albany Capital Growth Conference on Tuesday, December 7, 2004 in New York. The presentation is scheduled to take place at the Mandarin Oriental hotel at 12:40 p.m. Eastern time.

Cobb is also scheduled to present at the Raymond James 2004 IT Supply Chain Conference on Wednesday, December 8, 2004, also in New York. The presentation is scheduled to take place at the Intercontinental The Barclay New York hotel at 2:05 p.m. Eastern time. Live webcasts of both presentations will be available through the investor relations section of the Power Integrations Web site, www.powerint.com. Replays of the presentations will be available on the site shortly following the conclusion of each event.

About Power Integrations

Power Integrations, Inc. is the leading supplier of high-voltage analog integrated circuits used in power conversion. The company's breakthrough integrated-circuit technology enables compact, energy-efficient power supplies in a wide range of electronic products, in both AC-DC and DC-DC applications. The company's EcoSmart(R) energy-efficiency technology, which dramatically reduces energy waste, has saved consumers and businesses around the world more than an estimated $775 million on their electricity bills since its introduction in 1998. For more information, visit the company's Web site at www.powerint.com. For information on global energy-efficiency standards and EcoSmart solutions, visit the Power Integrations Green Room at www.powerint.com/greenroom.