2013-02-28 22:00:26 -

Midland, Texas, February 28, 2013 - Natural Gas Services Group, Inc. (NYSE:NGS),
a leading provider of gas compression equipment and services to the natural gas
industry, announces  the following conference call information for their fourth
quarter 2011 earnings release:

  * Earnings Release: Thursday, March 14, 2013 before market opens.
    Public distribution will be through Thomson Reuters and the Natural Gas
    Services Group, Inc. website at www.ngsgi.com.


  * Conference Call: Thursday, March 14, 2013 at 10:00 a.m. Central/11:00 a.m.
    Eastern
    Live via phone by dialing 800-624-7038, pass code "Natural Gas Services."
    All attendees and participants to the conference call should arrange to call
    in   at least 5 minutes prior to the start time.


  * Conference Call Replay:
    For those unable to attend the live teleconference, a Webcast replay of the
    call will be available within 2 hours at the NGS website at www.ngsgi.com
    under the Investor Relations section.


Stephen  Taylor, Chairman, President and CEO of Natural Gas Services Group, Inc.
will be leading the call and discussing fourth quarter 2011 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, sells and maintains natural gas
compressors and flare systems for gas production and plant facilities. NGS is
headquartered in Midland, Texas with fabrication facilities located in Tulsa,
Oklahoma; Lewiston, Michigan and Midland, Texas and service facilities located
in major gas producing basins in the U.S. Additional information can be found at
www.ngsgi.com.


Natural Gas Services Group, Inc.
Lindsay Naylor, Investor Relations Coordinator
432-262-2700 or Lindsay.Naylor@ngsgi.com



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Source: Natural Gas Services Group, Inc. via Thomson Reuters ONE
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