Power Integrations Selected as One of The World's Top 20 Sustainable Stocks

August 14, 2003
Only Silicon Valley Company to Make List

SAN JOSE, Calif. - August 14, 2003 - Power Integrations, Inc. (NASDAQ:POWI), inventor of EcoSmart® technology for energy efficient integrated circuits used in power conversion, announced today that it has been selected as one of SustainableBusiness.com's Top 20 Sustainable Stocks, also know as the "SB20." To choose the 20 companies that make up the list, SustainableBusiness.com asked five leading investment advisors to recommend companies that stand out as world leaders in terms of both sustainability and financial strength.

"Our goal is to create a list that showcases the top companies leading the way to a sustainable society," said Dr. Rona Fried, chief executive officer of SustainableBusiness.com and editor of The Progressive Investor, where the list was announced. "Power Integrations is on our list because its energy-saving products are essential to a sustainable society. Their products reduce power consumption saving huge amounts of energy, thereby reducing the need to build additional power generating facilities, reducing our dependence on oil and reducing pollution."

It is estimated that consumers spend nearly 10 percent of their electric bill on energy wasted by appliances and electronics that are plugged in, but performing little or no useful function. Power Integrations' energy efficient EcoSmart-based integrated circuits, which are used in power supplies that run these products, intelligently monitor the appliance's need for power and can often cut the waste by more than 90 percent.

"The days of the inefficient 'energy-sucking vampire' power supplies are numbered. We are confident that our energy-friendly chips can help lead to a more sustainable future," said Balu Balakrishnan, president and chief executive officer of Power Integrations. "As more appliance and electronics manufacturers select our EcoSmart-based integrated circuits, consumers will save money and we will all benefit from a cleaner environment.

"Our chips meet all current and proposed energy efficiency requirements for power supplies worldwide. We believe that our ability to help manufacturers cost effectively meet these evolving stringent requirements will be an increasing factor in our financial and market success in the coming years," said Balakrishnan.

The judges used three primary criteria to select this year's winners: companies that demonstrate a clear understanding and commitment to sustainable business practices, have an outstanding record of employee and community relations, and create a product line that is integral to the transition to a sustainable society. The companies that made the SB20 list also had to show exceptional leadership and strong financial performance.

The SB20 judges are advisors of leading firms dedicated to socially responsible investing, including Eric Becker, vice president and portfolio manager, Trillium Asset Management; Terry Foecke, principal, Materials Productivity; Carsten Henningsen, co-founder and principal, Portfolio 21; Patrick McVeigh, vice president, investment research, Lowell, Blake & Associates; and Jack Robinson, managing director, Winslow Management Co.

The Progressive Investor is a monthly financial newsletter published by SustainableBusiness.com. Each issue draws on a group of world-class sustainable investment analysts for their insights and opinions on viable investments in the "green" business sector. For more information on the SB20, visit: http://www.sustainablebusiness.com/progressiveinvestor/index.cfm

About Power Integrations

Power Integrations, Inc. is a leading supplier of high-voltage analog integrated circuits for use in AC to DC and DC to DC power conversion. For more information, visit the company's web site at: www.powerint.com or contact the company at 5245 Hellyer Ave., San Jose, Calif. 95138; (408) 414-9200.

Safe Harbor Statement

This press release contains forward-looking statements, which reflect management's current forecast of the company's future business and financial performance. These forward-looking statements are based on current information, which we have assessed, but which by its nature, is subject to rapid and even abrupt changes. Forward-looking statements are denoted by the use of such words and phrases as, "expect", "believe" and similar words and phrases that look toward future events or performance. The company's actual results could differ materially from those projected or implied by our forward-looking statements due to risks and uncertainties associated with the company's business. These risks include, but are not limited to, changes and shifts in customer demand away from products that integrate the company's ICs to products that do not; our ability to maintain and establish strategic relationships; the effects of competition; the risks inherent in the development and delivery of complex technologies; our ability to attract, retain and motivate qualified personnel; the emergence of new markets for our products and services; our ability to compete in those markets based on timeliness, cost and market demand; and our limited financial resources. In addition, new product introductions are subject to the risks and uncertainties that typically accompany development and delivery of complex technologies to the market place, including product development delays and defects. We more fully discuss these and other risk factors in the company's most recent report on Form 10-K filed with the Securities and Exchange Commission on March 21, 2003. The company is under no obligation (and expressly disclaims any obligation) to update or alter its forward-looking statements, whether as a result of new information, future events or otherwise.

Dan Selleck
Vice President of Marketing
Power Integrations, Inc.
(408) 414-9601

Ellen Brook or Jim Fanucchi
Stapleton Communications Inc.
(650) 470-0200
ellen@stapleton.com or

NASDAQ: POWI $119.08 -1.23
-1.02% Volume: 129,556 August 7, 2020

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5245 Hellyer Avenue San Jose, CA. 95138

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