MANITOWOC, Wis.--(BUSINESS WIRE)-- Orion Energy Systems, Inc. (NYSE Amex: OESX), a leading power technology enterprise, announced today that it will hold its fourth quarter and fiscal year 2011 results conference call for analysts and investors on Wednesday, May 18, at 5:00 p.m. Eastern. The earnings announcement is scheduled for release shortly after the stock markets close on that day at 4:00 p.m. Eastern. Orion's Chief Executive Officer, Neal Verfuerth, Chief Financial Officer, Mike Harris, and Chief Accounting Officer, Scott Jensen, will host the conference call.

The details of the webcast and conference call are as follows:

Access by webcast:

Go to the Investor Relations section of Orion Energy Systems' website at http://investor.oriones.com/events.cfm for a live webcast link. To ensure a timely connection, it is recommended that users register at least 15 minutes prior to the scheduled webcast.

An audio replay of the earnings conference call will be available shortly after the call and will remain available through May 25, 2011. The replay can be accessed by dialing (800) 642-1687. International callers should dial (706) 645-9291. The replay pass code for all callers is 64727347.

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 and quality of light. For more information, visit www.oesx.com.

Orion Energy Systems, Inc.
Investor Relations Contact:
Mike Harris
Chief Financial Officer
(920) 892-5412
mharris@oesx.com

Source: Orion Energy Systems, Inc.

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