MANITOWOC, Wis., Mar 4, 2010 (GlobeNewswire via COMTEX News Network) -- Neal Verfuerth, CEO of Orion Energy Systems, Inc. and Scott Jensen, CFO, (Nasdaq:OESX), will speak at two investors conferences in March that include the Roth 22nd Annual OC Growth Stock Conference and the Jefferies Global Clean Tech Conference.

Verfuerth and Jensen will speak at 1 p.m. PDT on March 16 at the Roth Conference in Dana Point, Calif. The Roth conference brings together executives from more than 350 growth companies. The event is designed to provide investors with a unique opportunity to gain insight into small- and mid-cap growth companies across a variety of sectors.

At 11:15 a.m. EDT on March 17, Verfuerth and Jensen will speak at the Jefferies Global Clean Tech Conference in New York City. The conference will feature presentations from leading public and private companies across the clean technology spectrum, and will bring together industry leaders to help investors identify near- and long-term investment opportunities and discuss clean technology trends in the U.S. and abroad.

Orion Energy Systems, Inc. is a leading power technology enterprise that designs, manufactures and deploys energy management systems, consisting primarily of high-performance energy-efficient lighting, intelligent wireless control systems and direct renewable solar technology for commercial and industrial customers.

To view the webcast for the Roth 22nd Annual OC Growth Stock Conference on March 16, visit http://investor.oriones.com.

To view the webcast for the Jefferies Global Clean Tech Conference on March 17, visit http://investor.oriones.com.

Orion has deployed its energy management systems in 5,374 facilities across North America, including 123 of the Fortune 500 companies. Since 2001, Orion technology has displaced more than 504 megawatts, saving customers more than $782 million and reducing indirect carbon dioxide emissions by 6.7 million tons.

Orion Energy Systems, Inc. (Nasdaq:OESX) is a leading power technology enterprise that designs, manufactures and implements energy management systems, consisting primarily of high-performance, energy-efficient lighting platforms, intelligent wireless control systems and direct renewable solar technology for commercial and industrial customers without compromising their operations. For more information, visit www.oesx.com.

The Orion Energy Systems, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=4540

This news release was distributed by GlobeNewswire, www.globenewswire.com

SOURCE: Orion Energy Systems, Inc.

CONTACT:  Orion Energy Systems, Inc.
Investor Relations Contact
Scott Jensen, Chief Financial Officer
(920) 482-5454
sjensen@oriones.com
Media Contact
Linda Diedrich, Vice President Corporate Communications
(920) 482-1988
ljd@oes1.com
FD
Investor Relations Contact
Victoria Sivrais
(312) 553-6715
Victoria.sivrais@fd.com

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