September 19, 2008

Natural Gas Services Group, Inc. Announces Move to New York Stock Exchange Big Board

MIDLAND, Texas, Sept. 19 /PRNewswire-FirstCall/ -- Natural Gas Services Group, Inc. , a leading provider of equipment and services to the natural gas industry, announces it intends to transfer trading of its stock to the New York Stock Exchange on or about October 30, 2008. The stock will continue to trade under the ticker symbol NGS.

"We are excited to join our many peers on the New York Stock Exchange Big Board, and look forward to benefiting from the outstanding service, superior market quality, trading efficiencies and strength of NYSE Euronext's global brand. We believe our shareholders will be well served by our listing on the New York Stock Exchange, and look forward to a successful partnership," said Steve Taylor, Chairman, President and Chief Executive Officer of Natural Gas Services Group, Inc.

"We welcome Natural Gas Services Group, Inc.'s decision to list on the New York Stock Exchange as the company celebrates its tenth anniversary of incorporation," said Duncan L. Niederauer, CEO, NYSE Euronext. "As a key player in our nation's natural gas industry, Natural Gas Services joins the premier marketplace for global leaders in the oil and gas sector. With its Texas roots, Natural Gas Services also adds to the leadership of Texas as the home to more NYSE listings than any other state. We welcome the Natural Gas Services team and look forward to providing the highest levels of market quality and service to the company and its shareholders."

About Natural Gas Services Group, Inc. (NGS)

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   830-669-2466   [email protected]   Or visit the Company's website at    

Except for historical information contained herein, the statements in this release are forward-looking and made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements involve known and unknown risks and uncertainties, which may cause NGS's actual results in future periods to differ materially from forecasted results. Those risks include, among other things, the loss of market share through competition or otherwise; the introduction of competing technologies by other companies; a prolonged, substantial reduction in oil and gas prices which could cause a decline in the demand for NGS's products and services; and new governmental safety, health and environmental regulations which could require NGS to make significant capital expenditures. The forward-looking statements included in this press release are only made as of the date of this press release, and NGS undertakes no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances. A discussion of these factors is included in the Company's Annual Report on Form 10-K filed with the Securities and Exchange Commission.

Natural Gas Services Group, Inc.

CONTACT: Jim Drewitz, Investor Relations, +1-830-669-2466,[email protected], for Natural Gas Services Group, Inc.

Web site: