American Superconductor to Present at Jefferies & Company's Global Clean Technology Conference

Business Wire, April 26, 2007

Presentation to be Webcast Live at 10:30 a.m. ET on May 2, 2007

WESTBOROUGH, Mass. -- American Superconductor Corporation (NASDAQ: AMSC), a leading energy technologies company, announced today that the company will be presenting at the Jefferies & Company's Global Clean Technology Conference in New York City on Wednesday, May 2, 2007 at 10:30 a.m. ET.

Management will discuss AMSC's business strategy, recent accomplishments and outlook at the conference. The presentation will be broadcast live over the Internet. Those interested in listening to the live webcast should log on to the "Investors" section of AMSC's website, www.amsuper.com/investors, prior to the event.

About AMSC

AMSC (American Superconductor Corporation - NASDAQ: AMSC) is a leading energy technologies company. The company develops and sells a wide range of products and solutions based on power electronic systems and high temperature superconductor (HTS) wires that dramatically improve the efficiency, reliability and quality of electricity during its generation, transmission, distribution and use. The company is a dominant force in alternative energy, offering grid interconnection solutions as well as licensed wind energy designs and electrical systems. As the world's principal supplier of HTS wire, AMSC is enabling a new generation of compact, high-power electrical products, including motors, generators, power cables, grid-level surge protectors, and advanced transportation and defense systems. AMSC also provides utility and industrial customers worldwide with voltage regulation systems that dramatically enhance power grid capacity, reliability and security, as well as industrial productivity. The company's technologies are protected by a broad and deep intellectual property portfolio consisting of hundreds of patents and licenses worldwide. More information is available at www.amsuper.com.

American Superconductor and design, Revolutionizing the Way the World Uses Electricity, AMSC, Powered by AMSC, SuperVAR, D-VAR, DVC, PQ-IVR, PowerModule and Windtec are trademarks or registered trademarks of AMSC.