CEO Neal Verfuerth to Ring NASDAQ Opening Bell On Tuesday, April 22

Orion Expected to Post Annual Revenue Growth of 67 Percent for Fiscal 2008, Exceeding the Company's Previous Estimates of 62 Percent Annual Revenue Growth

Orion Delivers Annual Revenue Growth of 67 Percent and Earnings per Diluted Share of $0.19

Custom Roll Former 10 Times Faster Than Traditional Production Methods

Annual Award Given to Companies Working to Improve Air Quality

Heins Among Notables Addressing Energy Management and Demand Response At Two-Day Event

Orion Technology Helps Brewer Reduce Nearly 9 Million Kilowatt Hours of Annual Energy Usage and Nearly 9,000 Tons of Greenhouse Gas Emissions

Orion Announces Key Management Changes With Appointments of New Chief Financial Officer and New Chief Operating Officer

PLYMOUTH, Wis., Jul 17, 2008 (PrimeNewswire via COMTEX News Network) -- Orion Energy Systems, Inc. (Nasdaq:OESX), a leading provider of energy management systems to the commercial and industrial sectors, today announced that its Board of Directors has approved a share repurchase program,

MANITOWOC, Wis., Jul 22, 2008 (PrimeNewswire via COMTEX News Network) -- Orion Energy Systems, Inc. (Nasdaq:OESX), a leading energy management company announced today that it will hold its quarterly results conference call for investors and analysts on Tuesday, August 5 at 4:30 p.m. Central.