Orion Energy Systems Inc. (NYSE Amex: OESX), a leading power technology enterprise, announced today that Neal Verfuerth, Chief Executive Officer, and Scott Jensen, Chief Financial Officer, will present at the ThinkEquity 8 th Annual Growth Conference in New York City on September 14, 2011.

Verfuerth and Jensen will address institutional investors and analysts on that day beginning at 1:45 p.m. Eastern (12:45 p.m. Central/10:45 a.m. Pacific). A live audio webcast of Orion’s presentation will be available through the company’s website at http://investor.oriones.com/events.cfm.

Orion Energy Systems, Inc. (NYSE Amex: OESX) is a leading power technology 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 technology for commercial and industrial customers – without compromising their quantity or quality of light. For more information, visit www.oesx.com.

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