Release Details

MIDLAND, Texas, Feb. 20 /PRNewswire-FirstCall/ -- Natural Gas Services Group, Inc. (NYSE: NGS), a leading provider of gas compression equipment and services to the natural gas industry, announces the following schedule and conference call information for the fourth quarter and year-end 2008 earnings release:

    -- Earnings Release: Wednesday, March 4, 2009 by public distribution
       through PR Newswire and the Natural Gas Services Group, Inc. website 
       at www.ngsgi.com.

	   
    -- Conference Call: Wednesday, March 4, 2009 at 9:30 a.m. Central. Live
       via phone once registered at 
       https://secure.confertel.net/tsregister.asp?course=156701. 
       Registrants will be able to add this conference call to their calendar 
       and should plan to call in at least 5 minutes prior to the start time.  
       Please call(866) 930-4500 should  you need assistance.

      
    -- Conference Call Replay: For those unable to attend or participate a 
        replay of the conference call will be available within 24 hours on the 
        NGS website at www.ngsgi.com.

Stephen Taylor, Chairman, President and CEO of Natural Gas Services Group, Inc. will be leading the call and discussing fourth quarter and year-end financial results.

About Natural Gas Services Group, Inc.

NGS is a leading provider of small to medium horsepower, wellhead compression equipment to the natural gas industry with a primary focus on the non-conventional gas industry, i.e., coalbed methane, gas shales and tight gas. The Company manufactures, fabricates, rents and maintains natural gas compressors that enhance the production of natural gas wells. The Company also designs and sells custom fabricated natural gas compressors to particular customer specifications and sells flare systems for gas plant and production facilities. NGS is headquartered in Midland, Texas with manufacturing facilities located in Tulsa, Oklahoma, Lewiston, Michigan and Midland, Texas and service facilities located in major gas producing basins in the U.S.

Cautionary Note Regarding Forward-Looking Statements

Certain statements contained herein other than historical facts are "forward-looking" statements as such term is defined in the Private Securities Litigation Reform Act of 1995. Because such statements rely on a number of assumptions concerning future events and are subject to a number of uncertainties and factors which may include risks, actual results may differ materially from those expressed or implied. These risks include, but are not limited to, those discussed in Natural Gas Services Group, Inc.'s Annual Report on form 10-K for the year ended December 31, 2007, along with those set forth from time to time in additional Company filings with the Securities and Exchange Commission. Referenced documents are currently available at www.ngsgi.com. Except as required by law, NGS expressly disclaims any intention or obligation to revise or update any forward-looking statements whether as a result of new information, future events or otherwise.

    For More Information, Contact:   Kimberly Huckaba, Investor Relations
                                     (432) 262-2700
                                     Kim.Huckaba@ngsgi.com
               Or visit the Company's website at www.ngsgi.com

SOURCE  Natural Gas Services Group, Inc.

    -0-                             02/20/2009
    /CONTACT:  Kimberly Huckaba, Investor Relations of Natural Gas Services
Group, Inc., +1-432-262-2700, Kim.Huckaba@ngsgi.com/
    /Web site: http://www.ngsgi.com /
    (NGS)

CO:  Natural Gas Services Group, Inc.

ST:  Texas
IN:  GAS OIL
SU:  CCA

CN-KN
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7837 02/20/2009 13:26 EST http://www.prnewswire.com