Orion Energy Systems, Inc. Receives Notice from NYSE Amex

Orion Energy Systems, Inc., a leading power research enterprise, today announced that it has received a notice from NYSE Amex LLC, indicating that the Company was not in compliance with the Exchange's continued listing criteria set forth in Sections 134 and 1101 of the NYSE Amex LLC Company Guide because it did not timely file its Annual Report on Form 10-K for the year ended March 31, 2011.

Orion Energy Systems, Inc. is a leaing power innovation enterprise that designs, manufactures and deploys energy management systems - consisting primarily of high-performance, energy efficient lighting platforms, intelligent wireless control systems and direct renewable solar innovation for commercial and industrial clients - without compromising their quantity or quality of light. For more information, visit www.oesx.com.