IXYS Corporation (NASDAQ:IXYS), an international power and IC semiconductor company, today announced that the company has been added to the NASDAQ® Clean Edge® Green Energy Index. The company's addition to the Index became effective with the market open on Monday, September 19, 2011.

The addition to the Index highlights IXYS' singular focus on power efficiency. Since its inception in 1983, IXYS has been a pioneer in the development of power semiconductors, mixed-signal integrated circuits and RF power and systems that effectively manage electrical voltage to produce maximum effect with least expenditure of energy. Over the past 15 years, the company has been exploring alternative and renewable energy resources. IXYS has become one of the main chip suppliers for windmill inverters; it also developed the first integrated solar cells that generate 4V to 12V of electricity to charge batteries in portable products. In addition, IXYS has been supplying chips to the hybrid transportation market for years, mainly focused on high speed trains, and continues to work with various electric vehicle manufacturers.

"Power management for efficiency and green energy generation is an industry priority and a global consumer issue. Our products influence these target markets with the goal of conserving, generating and managing electrical power," commented Dr. Nathan Zommer, CEO of IXYS. "We work to deploy all our technologies as a one-stop shop for green energy applications. In the future, we envision an electrified world that is less reliant on fossil fuels."

In addition to delivering a renewable energy product portfolio, the company is working internally to limit its CO2 footprint, reduce electricity usage, recycle wastewater and employ renewable energy resources that will help IXYS' divisions and manufacturing facilities reduce waste.

The Index is designed to track the performance of clean-energy companies that are publicly traded in the U.S. The Index includes companies engaged in the manufacturing, development, distribution, and installation of emerging clean-energy technologies such as solar photovoltaics, biofuels and advanced batteries. The five major sub-sectors that the Index covers are Renewable Electricity Generation, Renewable Fuels, Energy Storage and Conversion, Energy Intelligence and Advanced Energy-Related Materials. The securities must also meet other eligibility criteria which include minimum requirements for market value, average daily share volume, and price. For more information about the NASDAQ Clean Edge Green Energy Index, including detailed eligibility criteria, visit https://indexes.nasdaqomx.com/.

About IXYS Corporation

IXYS Corporation makes and markets technology-driven products to improve power conversion efficiency, generate solar and wind power and provide efficient motor control for industrial applications. IXYS offers a diversified product base that addresses worldwide needs for power control, electrical efficiency, renewable energy, telecommunications, medical devices, electronic displays and RF power.

Safe Harbor Statement

Any statements contained in this press release that are not statements of historical fact, including the performance, rating, availability, reliability and suitability of products for various applications, may be deemed to be forward-looking statements. There are a number of important factors that could cause the results of IXYS to differ materially from those indicated by these forward-looking statements, including, among others, risks detailed from time to time in the Company's SEC reports, including its Form 10-Q for the quarter ended June 30, 2011. The Company undertakes no obligation to publicly release the results of any revisions to these forward-looking statements.

IXYS Corporation
Nathan Zommer, 408-457-9000
or
IXYS Switzerland
Bradley Green, +41 323 744 020