Orion Energy Systems, Inc. Prices Initial Public Offering of Common Stock At $13.00 Per Share

Orion Energy Systems, Inc. Prices Initial Public Offering of Common Stock At $13.00 Per Share

December 19, 2007 at 12:00 AM EST

PLYMOUTH, Wis., Dec 19, 2007 (PrimeNewswire via COMTEX News Network) -- Orion Energy Systems, Inc. announced today the pricing of its initial public offering of 7,692,308 shares of common stock at $13.00 per share. Orion is selling 5,695,246 of the shares of common stock and selling shareholders are selling the additional 1,997,062 shares. The offering is expected to close on December 24, 2007. Orion has granted the underwriters a 30-day option to purchase up to an additional 1,153,846 shares of common stock at the same price to cover over-allotments.

The net proceeds from the offering of the shares by Orion are expected to be approximately $64.9 million, without giving effect to the underwriters' over-allotment option. Orion intends to use the net proceeds from this offering for working capital and general corporate purposes, including to fund potential future acquisitions.

The common stock will begin trading today on the NASDAQ Global Market under the symbol "OESX."

Thomas Weisel Partners LLC acted as the sole book-running manager for the offering and Canaccord Adams Inc. and Pacific Growth Equities, LLC acted as co-managers for the offering. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such state. The offering is being made only by means of a prospectus. The prospectus relating to the offering may be obtained from Thomas Weisel Partners LLC, Attention: Prospectus Department, One Montgomery Street, Suite 3700, San Francisco, California 94104, or by calling (415) 364-2720.

About Orion Energy Systems, Inc.

Orion Energy Systems, Inc. is a leading energy management company that designs, manufactures and implements energy management systems, consisting primarily of high-performance, energy efficient lighting systems and controls and related services, for commercial and industrial customers without compromising their quantity or quality of light.

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

This news release was distributed by PrimeNewswire, www.primenewswire.com

SOURCE: Orion Energy Systems, Inc.

Orion Energy Systems, Inc.
          Media Contact:
          Daniel J. Waibel

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