Release Details

MIDLAND, Texas, Sept. 29 /PRNewswire-FirstCall/ -- Natural Gas Services Group, Inc. (Amex: NGS), a leading provider of equipment and services to the natural gas industry, announces that, as more fully described in SEC Form 4 filings, certain officers of the Company made open-market purchases of the Company's common stock on September 15, 2006.

Steve Taylor, President and CEO of Natural Gas Services Group, Inc. said, "Our business continues to grow and the Board of Directors and Officers strongly believe in the Company and its direction and opportunities. These purchases reflect our continued confidence in the Company's future."

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.

     For More Information, Contact:  Jim Drewitz, Investor Relations
                                     972-355-6070 jdrewitz@comcast.net

    Or visit the Company's website at http://www.ngsgi.com

Certain statements contained herein are "forward looking" statements as such term is defined in the Private Securities Litigation Reform Act of 1995. Because statements include risks and uncertainties, actual results may differ materially from those expressed or implied and include, but are not limited to, those discussed in filings by the Company with the Securities and Exchange Commission.

SOURCE  Natural Gas Services Group, Inc.
    -0-                             09/29/2006
    /CONTACT:  Jim Drewitz, Investor Relations, +1-972-355-6070, or
jdrewitz@comcast.net , for Natural Gas Services Group, Inc./
    /Web site:  http://www.ngsgi.com /
    (NGS)

CO:  Natural Gas Services Group, Inc.
ST:  Texas
IN:  OIL
SU:

GN-AW
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0624 09/29/2006 09:15 EDT http://www.prnewswire.com