Power Technology Company's R&D Investments Result in Innovative Industry Leading Technology

Amendment to State's RPS Will Create Jobs; Position Wisconsin as an Energy Leader

Technologies Creating Jobs for Roofers, Reducing Customers' Energy Costs and Consumption

MANITOWOC, Wis., May 13, 2010 (GlobeNewswire via COMTEX News Network) -- Orion Energy Systems, Inc. (NYSE Amex:OESX), a power technology enterprise that designs, manufactures and deploys energy management solutions for the commercial and industrial sectors, today announced financial results for its

Banking Industry Veteran Brings Valuable Expertise to Position

MANITOWOC, Wis., Apr 29, 2010 (GlobeNewswire via COMTEX News Network) -- Orion Energy Systems Inc. (NYSE Amex:OESX), a leading power technology enterprise, announced today that it will hold its quarterly and year-end results conference call for investors and analysts on Thursday, May 13, at 5:30

Bill to Add Technologies Like Orion's Solar Light Pipe to Help State Reduce Dependence on Fossil Fuels

Milestone Reduces Stress on Strained Electric Grid and Saves Commercial and Industrial Businesses More Than $780 Million

Fluorescent Technology Designed to Reduce Energy Consumption, Costs by 50 Percent in Outdoor Applications

MANITOWOC, Wis., Mar 25, 2010 (GlobeNewswire via COMTEX News Network) -- Orion Energy Systems Inc. (Nasdaq:OESX) today announced that it will voluntarily transfer its stock exchange listing from the NASDAQ Global Market to NYSE Amex LLC, an equities market of the NYSE Euronext ("NYSE Amex").