UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

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SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Filed by the Registrantx
 
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o   Soliciting Material Pursuant to Section 240.14a-12
       
NATURAL GAS SERVICES GROUP, INC.
(Name of Registrant as Specified in its Charter)
 
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NATURAL GAS SERVICES GROUP, INC.
508 West Wall Street,404 Veterans Airpark Lane, Suite 550300
Midland, Texas 79701

79705

Important Notice Regarding the Availability of Proxy Materials for the
Shareholder Meeting to be Held on Thursday, June 15, 201720, 2019

The proxy statement and annual report to shareholders are available at
www.proxyvote.com.

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS
To be held on Thursday, June 15, 201720, 2019
 

NOTICE IS HEREBY GIVEN that the Annual Meeting of Shareholders of Natural Gas Services Group, Inc., a Colorado corporation (the “Company”), will be held at the Petroleum Club of Midland, 501 West Wall Street,404 Veterans Airpark Lane, Suite 300 Midland, Texas 7970179705 on Thursday, June 15, 201720, 2019 at 8:30 a.m., Central Time, for the purpose of considering and voting upon proposals:
      
1.To elect two Directors to serve until the Annual Meeting of Shareholders to be held in 2020,1.    To elect a Director to serve until the Annual Meeting of Shareholders to be held in 2022, or until their successors are elected and qualified;
their successor is elected and qualified;
2.To consider an advisory vote on executive compensation of our named executive officers;

2.    To consider an advisory vote on executive compensation of our named executive officers;
3.
To consider an advisory vote on the frequency of the advisory vote on the compensation of our named executive officers;
3.    To consider the approval and adoption of the Natural Gas Services Group, Inc. 2019 Equity
Incentive Plan;

4.     To ratify the appointment of BDO USA, LLP as the Company’s independent registered public
accounting firm for 2019; and

5.    To transact such other business as may properly be presented at the meeting, or at any

4.
To ratify the appointment of BDO USA, LLP as the Company’s independent registered public accounting firm for 2017; and

5.To transact such other business as may properly be presented at the meeting, or at any adjournment(s) of the meeting.

Only shareholders of record at the close of business on April 19, 201725, 2019 are entitled to notice of and to vote at the meeting and at any adjournment(s) of the meeting.  On that day, 12,937,36313,225,077 shares of our common stock were outstanding and entitled to vote. A complete list of our shareholders entitled to vote at the meeting will be available for examination at our offices in Midland, Texas during ordinary business hours for a period of ten (10) days prior to the annual meeting.

Our Board of Directors recommends that you vote FOR the (i) election of the two director nomineesnominee named in this proxy statement, (ii) approval, on an advisory basis, of the compensation programs of our named executive officers, (iii) approval to hold an advisory vote on the frequencyand adoption of the advisory vote on the executive compensation every year2019 Incentive Equity Plan, and (iv) the ratification of the appointment of BDO USA, LLP as our independent registered public accounting firm for 2017.2019.

We cordially invite you to attend the meeting. To ensure your representation at the meeting, please vote promptly even if you plan to attend the meeting. Voting now will not prevent you from voting in person at the meeting if you are a shareholder of record and wish to do so.
 
BY ORDER OF THE BOARD OF DIRECTORS
May 1, 2017April 30, 2019/s/  Stephen C. Taylor
       Stephen C. Taylor
 Chairman of the Board, President and Chief Executive Officer




NATURAL GAS SERVICES GROUP, INC.
 
508 West Wall Street,404 Veterans Airpark Lane, Suite 550300
Midland, Texas 7970179705

PROXY STATEMENT
FOR THE
ANNUAL MEETING OF SHAREHOLDERS
TO BE HELD ON THURSDAY, JUNE 15, 201720, 2019


GENERAL INFORMATION


We are providing this proxy statement to you as part of a solicitation by the Board of Directors of Natural Gas Services Group, Inc. for use at our 20172019 Annual Meeting of Shareholders and at any adjournment or postponement that may take place. We will hold the meeting at the Petroleum Club of Midland, 501 West Wall Street,Natural Gas Services Group, Inc., 404 Veterans Airpark Lane, Suite 300, Midland, Texas 7970179705 on Thursday, June 15, 201720, 2019 at 8:30 a.m., Central Time.

We are taking advantage of Securities and Exchange Commission, or SEC, rules that allow us to deliver our proxy materials to our shareholders on the Internet. Under these rules, we are sending most of our shareholders a two-page notice regarding the Internet availability of proxy materials instead of a full set of proxy materials. If you receive this two-page notice, you will not receive printed copies of the proxy materials unless you specifically request them. Instead, this notice tells you how to access and review on the Internet all of the important information contained in the proxy materials. This notice also tells you how to submit your proxy card on the Internet and how to request to receive a printed copy of our proxy materials.

We expect to mail, or provide notice and electronic delivery of, this proxy statement and accompanying proxy card to shareholders beginning on or about May 5, 2017.

6, 2019.



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TABLE OF CONTENTS 
  
Questions and Answers About the Proxy Materials and the Meeting
  
Householding of Proxy Materials
  
Proposal 1- Election of Directors
  
The Board of Directors and its Committees
  
Code of Ethics
  
Shareholder Engagement
Environmental, Social and Governance
  
Executive Officers
  
Executive Compensation
  
Principal Shareholders and Security Ownership of Management
  
Report of the Audit Committee
  
Proposal 2 - Consideration of an Advisory Vote on Executive Compensation of our Named Executive Officers
  
Proposal 3 - Consideration of an Advisory Vote on the Frequencyapproval and adoption of the Advisory Vote on the Compensation of our Named Executive OfficersNatural Gas Services Group, Inc. 2019 Equity Incentive Plan
  
Proposal 4 - Ratification of Appointment of Independent Registered Public Accounting Firm
  
Shareholder Proposals
  
Communications with the Board of Directors
  
Other Matters
2019 Proxy Card
Annex 1 - 2019 Equity Incentive Plan



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QUESTIONS AND ANSWERS ABOUT THE PROXY MATERIALS
AND THE MEETING

Q:  Why am I receiving these materials?

A:Our Board is providing these proxy materials to you in connection with our 20172019 Annual Meeting of Shareholders, which will take place on Thursday, June 15, 2017.20, 2019. As a shareholder on the record dateRecord Date for the meeting, you are invited to attend the meeting. We also encourage you to vote on the matters described in this proxy statement.

Q:  What information is contained in these materials?

A:This proxy statement includes information about the nomineesnominee for director and the other matters to be voted on at the meeting. The proxy statement also includes information about the voting process and requirements, the compensation of directors and some of our executive officers, and certain other required information.

Q: What can I vote on at the meeting?

A:There are four matters to be voted on at the meeting:
1.      To elect a Director to serve until the Annual Meeting of Shareholders to be held in 2022, or until
their successor is elected and qualified;
2.      To consider an advisory vote on the compensation programs of our named executive officers;

3.    To consider approval of our new 2019 Equity Incentive Plan;
1.  To elect two Directors to serve until the Annual Meeting of Shareholders to be held in 2020, or until their successors are elected and qualified;
     4.      To ratify the appointment of BDO USA, LLP as the Company’s independent registered public
2.  To consider an advisory vote on the compensation programs of our named executive officers;
accounting firm for 2019; and
3.  To consider an advisory vote on the frequency of the advisory vote on the compensation of our named executive officers;
5.    To transact such other business as may properly be presented at the meeting, or at any
4.  To ratify the appointment of BDO USA, LLP as the Company’s independent registered public accounting firm for 2017; and
5.To transact such other business as may properly be presented at the meeting, or at any adjournment(s) of the meeting.

Q:  How does the Board recommend that I vote on each of the matters?

A: Our Board recommends that you vote FOR the director nominees,nominee, FOR approval of the new 2019 Equity Incentive Plan and FOR the ratification of the appointment of BDO USA, LLP as our independent registered public accounting firm for 2017.2019. With respect to Proposal 2, the Board of Directors recommends that you vote FOR approval, on an advisory basis, of the compensation programs of our named executive officers as disclosed in the Compensation Discussion and Analysis, the compensation tables, and the related disclosure contained in the proxy statement set forth under the caption “Executive Compensation” of this proxy statement. With respect to Proposal 3 above, the Board of Directors recommends that you select "1 Year" for the advisory proposal regarding the frequency of the advisory vote on executive compensation.

Q:  Why did I receive a two-page notice in the mail regarding the Internet availability of proxy materials this year instead of a full set of proxy materials?

A: We are taking advantage of SEC rules that allow us to deliver proxy materials to our shareholders on the Internet. Under these rules, we are sending most of our shareholders a two-page notice regarding the Internet availability of proxy materials instead of a full set of proxy materials. If you receive this two-page notice, you will not receive printed copies of the proxy materials unless you specifically request them. Instead, this notice tells you how to access and review on the Internet all of the important information contained in the proxy materials. This notice also tells you how to submit your proxy card on the Internet and how to request to receive a printed copy of our proxy materials. Shareholders may also request to receive proxy materials in printed form by mail or electronically by email on an ongoing basis.

Q:  Can I receive next year’s proxy materials by email?

A:Yes. All shareholders who have active email accounts and Internet access may sign up for email delivery of shareholder materials. To sign up, go towww.proxyvote.com and click on “Electronic Enrollment.” If you have multiple registered or beneficial accounts,


you need to enroll for each account. If you elect to receive proxy materials by email, we will not mail you any proxy-related materials next year. Your enrollment in the email program will remain in effect as long as your account remains active or until you cancel it.




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Q:  Who is entitled to vote at our annual meeting of shareholders?

A:Holders of our outstanding common stock on April 19, 2017,25, 2019, are entitled to one vote per share on each of the items being voted on at the meeting. We refer to this date as the Record Date. On the Record Date, we had 12,937,36313,225,077 shares of common stock outstanding.  We have no other classes of stock outstanding.

Q:  What shares can I vote?

A:You can vote all shares you owned on the Record Date. These shares include (1) shares held directly in your name as the shareholder of record and (2) shares held for you as the beneficial owner through a stockbroker, bank or other nominee.

Q:  What is the difference between holding shares as a shareholder of record and as a beneficial owner?

A:Most of our shareholders hold their shares through a stockbroker, bank or other nominee rather than directly in their own name. There are some important distinctions between shares held of record and those owned beneficially.

Shareholder of Record

If your shares are registered in your name with our transfer agent, Computershare, you are the shareholder of record for those shares and are receiving proxy-related materials directly from us. As the shareholder of record, you have the right to grant your voting proxy directly to us or to vote in person at the meeting.

Beneficial Owner

If your shares are held in a stock brokerage account, by a bank or other nominee (commonly referred to as being held in “street name”) you are the beneficial owner of those shares. Your broker, bank or nominee is the shareholder of record and therefore has forwarded proxy-related materials to you as beneficial owner. As the beneficial owner, you have the right to direct your broker, bank or other nominee how to vote your shares and are also invited to attend the meeting. However, since you are not the shareholder of record, you may not vote your shares in person at the meeting unless you obtain a signed proxy from your broker, bank or nominee giving you the right to vote the shares.

Q:  How do I vote if I am a shareholder of record (as described in the question and answer above)?

A:You can vote on the Internet or by telephone by following the instructions you received in the mail or by email. If you received a full printed set of our proxy materials in the mail, you can also vote by mail by signing and returning the proxy card provided with those materials. Finally, you can vote in person at the meeting.

Q:  How do I vote if I am a beneficial owner (as described in the question and answer above)?

A:You can vote on the Internet or by telephone by following the instructions you received in the mail or by email. If you received a full printed set of our proxy materials in the mail, you can also vote by mail. You can vote in person at the meetingonly if you obtain a signed proxy from your broker, bank or nominee giving you this right.

Q:  Can I change my vote or revoke my proxy?

A:Yes. You can change your vote or revoke your proxy at any time before the final vote at the meeting. You can do this by casting a later proxy through any of the available methods described in the questions and answers above. If you are a shareholder of record, you can also revoke your proxy by delivering a written notice of your revocation to our Corporate Secretary at our principal executive office at 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 79701.79705. If you are a beneficial owner, you can revoke your proxy by following the instructions sent to you by your broker, bank or other nominee.

Q:  What does it mean if I get more than one set of proxy-related materials?

A:It means you hold shares registered in more than one account. Follow the instructions in each set of proxy-related materials to ensure that all of your shares are voted.


Q:  What is the quorum requirement for the meeting?

A:For a “quorum” to exist at the meeting, shareholders holding a majority of the votes entitled to be cast by the shareholders


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entitled to vote must be present in person or represented by proxy at the meeting. There must be a quorum for any action to be taken at the meeting (other than adjournment or postponement of the meeting). If you submit a properly completed proxy, even if you abstain from voting, then your shares will be counted for purposes of determining the presence of a quorum.

If a broker indicates on a proxy that it lacks discretionary authority as to certain shares to vote on a particular matter, commonly referred to as “broker non-votes,” those shares will still be counted for purposes of determining the presence of a quorum at the meeting.  Please see the next question and answer for further information about "broker non-votes."

Q:  What are broker non-votes and how are broker non-votes and abstentions counted?

A: If you are a beneficial owner and hold your shares in street name and do not provide your broker or other nominee with voting instructions, the broker, bank, or other nominee will determine if it has the discretionary authority to vote on the particular matter. The New York Stock Exchange permits brokers to vote their customers' shares on routine matters when the brokers have not received voting instructions from the customers. The ratification of independent public accountants is an example of a routine matter on which brokers may vote. Brokers may not vote their customers' shares on non-routine matters unless they have received instructions from the customers. Non-voted shares on non-routine matters are referred to as broker non-votes. The ratification of the appointment of BDO USA, LLP as our independent public accountants for 20172019 (Proposal 4) is a matter considered "routine" under application rules.Theapplicable rules. The election of directorsone director (Proposal 1), the advisory vote to approve the named executive officers compensation programs (Proposal 2) and the advisory vote onto approve and adopt the frequency of the advisory vote on the compensation of our named executive officers2019 Equity Incentive Plan (Proposal 3) are matters considered "non-routine" under applicable rules. For purposes of the election of directorsa director and all of the proposals set forth in this proxy statement, abstentions and broker non-votes, if any, will not be counted as votes cast and will have no effect on the result of the vote, although they will be considered present for the purpose of determining the presence of a quorum.

Q:  What is the voting requirement to approve each of the matters?

ProposalsBoard RecommendationVotes RequiredEffect of AbstentionsEffect of Broker Non-Votes
Election of DirectorsFOR EACH NOMINEEeach nomineeMajority of votes castNoneNone
Advisory Vote to Approve Executive Compensation ("Say on Pay" Vote)FORMajority of votes castNoneNone
Advisory Vote to Set the Frequency of Future "Say on Pay" VotesApprove 2019 Equity Incentive PlanFOR "1 Year"Greatest numberMajority of votes castNoneNone
Ratification of Independent Registered Public Accounting FirmFORMajority of votes castNoneNo Broker Non-Votes (Routine Matter)

We also will consider any other business that properly comes before the annual meeting.

Q:  How can I vote on each of the matters and how will the votes be counted?

A:In the election of directors, you may vote “For All,” “Withhold All,” or “For All Except” and select the nominee who you withhold your vote from. For the (i) advisory vote on compensation of our named executive officers (ii) approval of the 2019 Equity Incentive Plan and the (ii)(iii) ratification of the appointment of BDO USA, LLP as our independent auditors, you may vote “FOR,” “AGAINST,” or “ABSTAIN” with respect to these two proposals. Under Colorado law (under which the Company is incorporated), abstentions are counted as shares present and entitled to vote at the Annual Meeting, and therefore counted as present for the purpose of determining whether a quorum is present, but they are not counted as shares cast and will therefore have no effect on the outcome of the vote. With respect to the advisory vote to set the frequency of future "say on pay" advisory votes, you have the option to vote for one of the following


choices: to hold the advisory vote on executive compensation every year, two other years, every three years, or to abstain from voting. The frequency receiving the greatest number of votes will be considered the frequency recommended by the shareholders in an advisory manner.

If you sign and return your proxy card or voting instruction form without giving specific voting instructions, your shares will be voted as recommended by our Board. If you are a beneficial holder and do not return a voting instruction form, your broker may only vote on the ratification of the appointment of BDO USA, LLP (Proposal 4).




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Q:  Who will count the votes?

A:Broadridge, an international investor relations company, is assisting us with the voting of proxies for our meeting. Prior to the meeting, Broadridge will provide us with a tabulation of the votes cast prior to the meeting. We believe that Broadridge will use procedures that are consistent with Colorado law concerning the voting of shares, the determination of the presence of a quorum and the determination of the outcome of each matter submitted for a vote. In addition, we will appoint a voting inspector at the meeting to count and tabulate any votes cast at the meeting.

Q:  Who may attend the meeting?

A:All shareholders as of the Record Date may attend. Please bring to the meeting:

proof of ownership such as: a copy of your proxy or voting instruction card; the two-page notice regarding
the internet availability of proxy materials you received in the mail; or a copy of a brokerage or bank
statement showing your share ownership as of the Record Date; and

proof of identification such as a valid driver’s license or passport.

Q:  How will voting on any other business be conducted?

A:We do not expect any matters to be presented for a vote at the meeting other than the four matters described in this proxy statement. If you grant a proxy, either of the officers named as proxy holders, Stephen C. Taylor and G. Larry Lawrence, or their nominees or substitutes, will have the discretion to vote your shares on any additional matters that are properly presented for a vote at the meeting and at any adjournment or postponement that may take place. If, for any unforeseen reason, our nominee is not available as a candidate for director, the persons named as the proxy holder will vote your proxy for another candidate or other candidates nominated by our Board.

Q:  May I propose actions for consideration at next year’s meeting of shareholders?

A:Yes. For your proposal to be considered for inclusion in our proxy statement for next year’s meeting, we must receive your written proposal no later than January 5, 2018.2020. If we change the date of next year’s meeting by more than 30 days from the date of this year’s meeting, then the deadline is a reasonable time before we begin to print and send our proxy materials. You should also be aware that your proposal must comply with SEC regulations regarding shareholder proposals.

Similarly, for you to raise a proposal (including a director nomination) from the floor at next year’s meeting, we must receive a written notice of the proposal no later than March 21, 2018.22, 2020.  If we change the date of next year’s meeting by more than 30 days from the date of this year’s meeting, then we must receive your written proposal at least 150 days before the date of next year’s meeting for the proposal to be timely.

Q:  Who is paying for this proxy solicitation?

A:We will pay the cost of soliciting the proxies. In addition, our officers, directors and employees may solicit proxies or votes in person, by telephone or by email. These people will not be paid any additional compensation for these activities. We will send copies of proxy-related materials or additional solicitation materials to brokers, fiduciaries and custodians who will forward these materials to the beneficial owners of our shares. On request, we will reimburse brokers and other persons representing beneficial owners of shares for their reasonable expenses in forwarding these materials to beneficial owners.



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HOUSEHOLDING OF PROXY MATERIALS

In an effort to reduce printing costs and postage fees, we have adopted a practice called “householding.” Under this practice, shareholders who have the same address and last name and do not participate in email delivery of proxy-related materials will receive only one set of our proxy statement, annual report or notice of internet availability of proxy-related materials unless one or more of these people notifies us that he or she wishes to continue to receive individual copies.

If you share an address with another shareholder and receive only one set of proxy-related materials and would like to request a separate copy for this year’s annual meeting or for any future meetings, please: (1) call our Investor Relations contact at (432) 262-2700; (2) send an email message to alicia.dada@ngsgi.com; or (3) mail your request to Natural Gas Services Group, Inc., 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 79701,79705, Attn: Investor Relations. Similarly, you may also contact us through any of these methods if you receive multiple copies of the materials and would prefer to receive a single copy in the future.



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PROPOSAL 1 - ELECTION OF DIRECTORS

Our Board of Directors is divided into three classes (commonly known as a “staggered” Board), each class to be as nearly equal in number as possible.  At each annual meeting of shareholders, members of one of the classes, on a rotating basis, are elected for a three-year term.  The authorized number of Directors is currently set at nine. We currently have five directors serving on our Board.  Our Board of Directors may fill the vacancies if a qualified candidate is vetted.  The following table sets forth, by class, the members of our Board of Directors as of the date of this proxy statement:

Term Expiring at the 2019 Annual Meeting
Terms Expiring at the 2017
2020 Annual Meeting
Terms Expiring at the
2018
2021 Annual Meeting
Terms Expiring at the
2019 Annual Meeting
John W. ChisholmCharles G. CurtisDavid L. BradshawJohn W. Chisholm
 Stephen C. TaylorWilliam F. Hughes,
Jr. 
          
Shareholders will be electing two Directorsone Director at the meeting.  The Board is recommending Charles G. Curtis and Stephen C. TaylorJohn W. Chisholm for re-election to the Board of Directors to serve a three year term expiring at the annual meeting of shareholders in 2020. Mr. Taylor also serves as our President and Chief Executive Officer.2022.

The persons named in the enclosedour form of proxy will vote the shares represented by such proxy for the election of the nomineesnominee for Director named above unless other instructions are shown on the proxy card. If, at the time of the meeting, athe nominee becomes unavailable for any reason, which is not expected, the persons entitled to vote the proxy will vote for such substitute nominee, if any, as they determine in their sole discretion, or we may reduce the size of the Board.

Biographical information and qualifications for eachthe person nominated as a Director, and for each person whose term of office as a Director will continue after the 20172019 Annual Meeting, is set forth below.

NomineesNominee for Director for Term to Expire in 20202022

Charles G. CurtisJohn W. Chisholm

Charles G. Curtis, 84, has servedJohn W. Chisholm, 64, was appointed as a Director of Natural Gas Services Group since April 2001. Since 2002, substantially all of Mr. Curtis’ business activities have been devotedin December 2006 to managing personal investments.  From 1992 until 2002, Mr. Curtis wasfill a vacancy created by expanding the President and Chief Executive Officer of Curtis One, Inc., a manufacturer of aluminum and steel mobile stools and mobile ladders. From 1988 to 1992, Mr. Curtis was the President and Chief Executive Officer of Cramer, Inc., a manufacturer of office furniture. Mr. Curtis has a Bachelor of Science degree from the United States Naval Academy and a Master of Science degree in Aeronautical Engineering from the University of Southern California.

Mr. Curtis has been a long-standing membersize of the Board since priorfrom seven to the Company's initial public offering in 2002eight Directors and as such he brings a wealth of knowledge regarding the Company's history, growth and industry. Through his manufacturing career and engineering educational background, Mr. Curtis assists the Board and the Company in connection with its compressor manufacturing business.  As a past U.S. Naval Officer and U.S. Naval Academy graduate, Mr. Curtis also brings leadership skills to the Board and Company.

Stephen C. Taylor

Stephen C. Taylor, 63, has been President and Chief Executive Officer of Natural Gas Services Group since January 2005. He was first elected as a Director of Natural Gas Services Group at the annual meeting of shareholders held in June 2005. Effective January 1, 2006,2007.  Mr. Taylor was appointed ChairmanChisholm is the founder of Wellogix, an oil and gas software company that develops software aimed at expediting the exchange of enterprise data and communication of complex engineered services. Prior to founding Wellogix, Mr. Chisholm co-founded and served as President of ProTechnics Company from 1985 until its sale to Core Laboratories in December of 1996.  Mr. Chisholm served as Senior Vice President of Global Sales and Marketing of Core Laboratories until 1998, when he started Chisholm Energy Partners, an investment fund focused on mid-size energy service companies. From 2002 to 2009 Mr. Chisholm served on the Board of Directors. Immediately prior to joining Natural Gas Services Group,Directors of Flotek Industries, Inc., and became interim President in August 2009. In August 2010 Mr. Taylor heldChisholm became President of the positioncompany and was appointed Chief Executive Officer in March 2012. Flotek Industries, Inc. is a public company which files reports under the Securities Exchange Act of General Manager − US Operations for Trican Production Services, Inc. from 2002 through 2004.1934. Mr. Taylor joined Halliburton Resource Management in 1976, becoming its Vice President − Operations in 1989. Beginning in 1993, he held multiple senior level management positions with Halliburton Energy Services until 2000 when he was elected Senior Vice President/Chief Operating Officer of Enventure Global Technology, LLC, a joint-venture deep water drilling technology company owned by Halliburton Company and Shell Oil Company. Mr. Taylor elected early retirement from Halliburton Company in 2002 to join Trican Production Services, Inc. Mr. TaylorChisholm holds a Bachelor of Science degree in Mechanical Engineering from Texas Tech University and a Master of Business Administration degree from Fort Lewis College in Colorado.  He currently serves on the UniversityEditorial Advisory Board on Middle East Technology of Texas at Austin.the Oil & Gas Journal.

Mr. Taylor’s senior management experience in theChisholm brings significant natural resources industry provides the Board and our company with significant insight into our business.  Mr. Taylor’s engineering and advanced business training (MBA) uniquely suits him to provide


leadership, technical expertise and financial acumenexperience to our Board, and to the operations of our company in connection with his positionbackground in supplying drilling and production related products and services to the oil, gas and mining industries, and his investment fund experience with mid-size energy service companies is an invaluable resource as our chiefthe Company assesses its capital and liquidity needs.

In addition Mr. Chisholm's experience as a board member and executive officer.officer of a public company provides us with a wealth of leadership and management skills.


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Required Vote for This Proposal

The election of eachthe director nominee requires the affirmative vote of a majority of the votes cast at the Annual Meeting with respect to each nomineethe nominee. The number of shares voted "for" athe director nominee must exceed the number of votes cast "against" that nominee for the nominee to be elected as a director to serve until the next annual meetinghis term expires or until his or her successor has been duly elected and qualified.

Pursuant to the resignation policy adopted by our Board of Directors and further described in our Corporate Governance Guidelines, any nominee for director who is not elected shall promptly tender his or her resignation to our Board of Directors following certification of the stockholder vote. The Corporate Governance Committee will consider the resignation offer and recommend to our Board of Directors the action to be taken with respect to the offered resignation. In determining its recommendation, the Governance Committee shall consider all factors it deems relevant. Our Board of Directors will act on the Governance Committee's recommendation within 90 days following certification of the stockholder vote and will publicly disclose its decision with respect to the director's resignation offer (and the reasons for rejecting the resignation offer if applicable).

Any director who tenders his or her resignation pursuant to the resignation policy shall not participate in the Governance Committee's recommendation or Board of Directors action regarding whether to accept the resignation offer. If each member of the Governance Committee is required to tender his or her resignation pursuant to the resignation policy in the same election then the independent directors of our Board of Directors who are not required to tender a resignation pursuant to the resignation policy shall consider the resignation offers and make a recommendation to our Board of Directors.

To the extent that one or more directors' resignations are accepted, by our Board of Directors our Board of Directors in its discretion may determine either to fill such vacancy or vacancies or to reduce the size of the Board within the authorized range.

Continuing Directors Whose Terms ExpireExpires in 20182020

Charles G. Curtis

Charles G. Curtis, 86, has served as a Director of Natural Gas Services Group since April 2001. Since 2002, substantially all of Mr. Curtis’ business activities have been devoted to managing personal investments.  From 1992 until 2002, Mr. Curtis was the President and Chief Executive Officer of Curtis One, Inc., a manufacturer of aluminum and steel mobile stools and mobile ladders. From 1988 to 1992, Mr. Curtis was the President and Chief Executive Officer of Cramer, Inc., a manufacturer of office furniture. Mr. Curtis has a Bachelor of Science degree from the United States Naval Academy and a Master of Science degree in Aeronautical Engineering from the University of Southern California.

Mr. Curtis has been a long-standing member of the Board since prior to the Company's initial public offering in 2002 and as such he brings a wealth of knowledge regarding the Company's history, growth and industry. Through his manufacturing career and engineering educational background, Mr. Curtis assists the Board and the Company in connection with its compressor manufacturing business.  As a past U.S. Naval Officer and U.S. Naval Academy graduate, Mr. Curtis also brings leadership skills to the Board and Company.

Stephen C. Taylor

Stephen C. Taylor, 65, has been President and Chief Executive Officer of Natural Gas Services Group since January 2005. He was elected as a Director of Natural Gas Services Group at the annual meeting of shareholders in June 2005. Effective January 1, 2006, Mr. Taylor was appointed Chairman of the Board of Directors. Immediately prior to joining Natural Gas Services Group, Mr. Taylor held the position of General Manager − US Operations for Trican Production Services, Inc. from 2002 through 2004. Mr. Taylor joined Halliburton Resource Management in 1976, becoming its Vice President − Operations in 1989. Beginning in 1993, he held multiple senior level management positions with Halliburton Energy Services until 2000 when he was elected Senior Vice President/Chief Operating Officer of Enventure Global Technology, LLC, a joint-venture deep water drilling technology company owned by Halliburton Company and Shell Oil Company. Mr. Taylor elected early retirement from Halliburton Company in 2002 to join Trican Production Services, Inc. Mr. Taylor holds a Bachelor of Science degree in Mechanical Engineering from Texas Tech University and a Master of Business Administration degree from the University of Texas at Austin.

Mr. Taylor’s senior management experience in the natural resources industry provides the Board and our company with significant insight into our business.  Mr. Taylor’s engineering and advanced business training (MBA) uniquely suits him to provide leadership, technical expertise and financial acumen to our Board and to the operations of our company in connection with his position as our chief executive officer.


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Continuing Directors Whose Term Expires in 2021

David L. Bradshaw

David L. Bradshaw, 62,64, joined our board in December of 2011. Since 2005, Mr. Bradshaw has acted as a consultant in the oil and gas exploration and production sector and has overseen his investments in this area. From August 2007 through November 2009, Mr. Bradshaw served as a Director and Audit Committee Chairman for Triangle Petroleum, a publicly traded company listed on the American Stock Exchange. From November 2007 through November 2008, Mr. Bradshaw served as a Director for Comet Ridge Limited, an Australian company listed on the Australian Securities Exchange. From 1986 to 2005, Mr. Bradshaw worked for Tipperary Corporation, a U.S. public company listed on the American Stock Exchange. During his tenure at Tipperary, the company was involved in oil and gas exploration and production, and natural gas processing and transportation. He held the positions of Chief Executive Officer from 1996 to 2005, Chairman of the Board from 1997 to 2005, Chief Financial Officer from 1990 to 1996 and Chief Operating Officer from 1993 to 1996. Mr. Bradshaw also served as Chief Executive Officer and Chairman of Tipperary Oil & Gas (Australia) Pty Ltd from 1999 to 2005, a subsidiary of Tipperary, which explored for and produced natural gas in Queensland, Australia. From 1983 to 1986, Mr. Bradshaw was an owner and officer of Bradcorp, Inc., a private exploration and production company. Prior to this, Mr. Bradshaw spent six years in public accounting serving predominantly oil and gas clients. Mr. Bradshaw graduated from Texas A&M University with a BBA in Accounting in 1976 and a MBA in 1977, and is also a Certified Public Accountant.

Mr. Bradshaw's educational and professional training and achievements as a Certified Public Accountant and MBA, along with his past experience as both a Chief Financial Officer and Chief Executive Officer of a public company involved in the natural resources industry, provides us with considerable accounting and corporate finance skills. In addition, Mr. Bradshaw's career has spanned over thirty years in the oil and gas industry and as a public accountant. His executive management positions in both private and public companies bring us significant leadership, planning and management skills and background.




William F. Hughes, Jr.

William F. Hughes Jr., 64,66, has served as a Director since December 2003.  Mr. Hughes has over 30 years of experience in the engineering and construction industry as a Registered Civil Engineer and licensed building contractor.  From 1974 to 1979, he served as an officer in the United States Air Force. From 1979 to 1986, he was a project design engineer for Cushman & Associates.  From 1986 to 1996, he served as a Project Manager on a variety of public works and industrial construction projects.  Since 1983, Mr. Hughes has been co-owner of The Whole Wheatery, LLC, a natural foods store located in Lancaster, California.  Mr. Hughes holds a Bachelor of Science degree in Civil Engineering from the United States Air Force Academy and a Master of Science in Engineering from the University of California at Los Angeles.

Mr. Hughes’ career experience in the engineering and construction industry brings us invaluable skills which are applicable to our manufacturing processes.  In addition, Mr. Hughes provides leadership skills arising from his service as an officer with the U.S. Air Force and U.S. Air Force Academy graduate.

Continuing Director Whose Term Expires in 2019

John W. Chisholm

John W. Chisholm, 62, was appointedMr. Hughes' experience as a Director of Natural Gas Services Group in December 2006 to fill a vacancy created by expanding the sizechairman of the Board from sevencompensation committee has enabled him to eight Directors and was first elected as a Director of Natural Gas Services Group atdevelop the annual meeting of shareholders held in June 2007.  Mr. Chisholm is the founder of Wellogix, an oil and gas software company that develops software aimed at expediting the exchange of enterprise data and communication of complex engineered services. Prior to founding Wellogix, Mr. Chisholm co-founded and served as President of ProTechnics Company from 1985 until its sale to Core Laboratories in December of 1996.  Mr. Chisholm served as Senior Vice President of Global Sales and Marketing of Core Laboratories until 1998, when he started Chisholm Energy Partners, an investment fund focused on mid-size energy service companies. From 2002 to 2009 Mr. Chisholm served oncritical expertise required by the Board of Directors of Flotek Industries, Inc.,as it relates to compensation matters. His ability to lead the committee, deriving assistance and became interim President in August 2009. In August 2010 Mr. Chisholm became Presidentvaried perspectives from our compensation consultants, and objectively weigh the requirements of the companyCompany, shareholders and was appointed Chief Executive Officer in March 2012. Flotek Industries, Inc.executives is a public company which files reports under the Securities Exchange Act of 1934. Mr. Chisholm holds a Business Administration degree from Fort Lewis College in Colorado.  He currently serves on the Editorial Advisory Board on Middle East Technology of the Oil & Gas Journal.invaluable.

Mr. Chisholm brings significant natural resources experience to our Board, in connection with his background in supplying drilling and production related products and services to the oil, gas and mining industries, and his investment fund experience with mid-size energy service companies is an invaluable resource as the Company assesses its capital and liquidity needs.

In addition Mr. Chisholm's experience as a board member and executive officer of a public company provides us with a wealth of leadership and management skills.




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THE BOARD OF DIRECTORS AND ITS COMMITTEES

Natural Gas Services Group’s Board of Directors held foureight meetings in 2016.2018.  Each Director attended at least 75% of the total number of Board meetings held while such person was a Director.  Each Director also attended at least 75% of all of the meetings held by all committees of the Board of Directors for which he served (during the periods that he served).  The Board of Directors acts from time to time by unanimous written consent in lieu of holding a meeting.

Our non-management directors hold regularly scheduled executive sessions in which those directors meet without management participation.  Generally, the Lead Director presides over these sessions; Charles G. Curtis is currently the Lead Director.

We typically schedule a Board meeting in conjunction with our annual meeting of shareholders.  Although we do not have a formal policy on the matter, we expect our Directors to attend each annual meeting, absent a valid reason, such as illness or an unavoidable schedule conflict.  Last year, all of the individuals then serving as Directors attended our 20162018 Annual Meeting of Shareholders.
 
To assist it in carrying out its duties, the Board has delegated certain authority to four separately designated standing committees. These committees are described below.

Audit Committee
 
The primary functions of our Audit Committee include:

assisting the Board in fulfilling its oversight responsibilities as they relate to our accounting policies, internal controls, financial reporting practices and legal and regulatory compliance;
hiring our independent registered public accounting firm;
monitoring the independence and performance of our independent registered public accounting firm;
maintaining, through regularly scheduled meetings, a line of communication between the Board, our financial management and independent registered public accounting firm; and
overseeing compliance with our policies for conducting business, including ethical business standards.

The members of the Audit Committee are David L. Bradshaw (Chairman), Charles G. Curtis, and William F. Hughes, Jr. Our common stock is listed for trading on the New York Stock Exchange, or “NYSE”. Under rules of the NYSE, the Audit Committee is to be comprised of three or more Directors, each of whom must be independent.  Our Board has determined that all of the members of the Audit Committee are independent, as defined under the applicable NYSE rules and listing standards.  In addition, our Board of Directors has determined that David L. Bradshaw is qualified as an “audit committee financial expert” as that term is defined in the rules of the Securities and Exchange Commission.  The Audit Committee met eight times during the last fiscal year. The audit committee has also received from, and discussed with, BDO the matters required to be discussed by Public Accounting Oversight Board Auditing Standard No. 1301 (AS 1301) (Communications with Audit Committees).

Any shareholder may obtain free of charge a printed copy of our Audit Committee Charter by sending a written request to Investor Relations, Natural Gas Services Group, Inc., 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 79701.79705.  You can also view and print a copy of our Audit Committee Charter by clicking on the “Governance” tab at the Investor Relations page of our website atwww.ngsgi.com.














Compensation Committee

The functions of our Compensation Committee include:

assisting the Board in overseeing the management of our human resources;
evaluating our Chief Executive Officer’s performance and compensation;
formulating and administering our overall compensation principles and plans; and
evaluating management.


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The Compensation Committee’s policy is to offer the executive officers competitive compensation packages that will permit us to attract and retain individuals with superior abilities and to motivate and reward such individuals in an appropriate fashion in the long-term interests of Natural Gas Services Group and its shareholders.  Currently, executive compensation is comprised of salary and cash bonuses and awards of long-term incentive opportunities in the form of restricted stock or restricted stock unit awards under the 2009 Restricted Stock/Unit Plan.

The members of the Compensation Committee are William F. Hughes, Jr. (Chairman), John W. Chisholm and David L. Bradshaw. Our Board has determined that all of the members of the Compensation Committee are independent, as defined under the applicable NYSE rules and listing standards.  During the last fiscal year there were fivefour meetings of the Compensation Committee.

Compensation Committee Interlocks and Insider Participation

The Compensation Committee members are not officers or employees of our company, and there is not, nor was there during fiscal 2016,2018, any compensation committee interlock (in other words, no executive of our company serves as a Director or on the compensation committee of a company that has one or more executives serving on our Board of Directors or our Compensation Committee).

Any shareholder may obtain free of charge a printed copy of our Compensation Committee Charter by sending a written request to Investor Relations, Natural Gas Services Group, Inc., 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 79701.79705.  You can also view and print a copy of our Compensation Committee Charter by clicking on the “Governance” tab at the Investor Relations page of our website atwww.ngsgi.com.

Governance and Personnel Development Committee
 
Our Governance and Personnel Development Committee primarily focuses on:

generally overseeing the governance of the Board and its committees;
interpreting the Governance Guidelines, the Code of Business Conduct and Ethics and other similar governance documents adopted by the Board; and
overseeing the evaluation of the Board and its committees.committees; and
ensuring appropriate Environmental, Social and Governance focused on environmental stewardship, our community and the continued safety of our employees and operations

The members of the Governance and Personnel Development Committee are Charles G. Curtis (Chairman), John W. Chisholm and William F. Hughes, Jr.  Our Board has determined that each of the Governance and Personnel Development Committee members is independent, as defined under the applicable NYSE rules and listing standards.  During the last fiscal year there were four meetings of the Governance and Personnel Development Committee.

Any shareholder may obtain free of charge a printed copy of our Governance Committee Charter by sending a written request to Investor Relations, Natural Gas Services Group, Inc., 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 79701.79705.  You can also view and print a copy of our Governance Committee Charter by clicking on the “Governance” tab at the Investor Relations page of our website atwww.ngsgi.com.









Nominating Committee

The functions of our Nominating Committee include:

identifying individuals qualified to become board members, consistent with the criteria approved by the Board;
recommending Director nominees and individuals to fill vacant positions; and
overseeing executive development and succession and diversity efforts.

The members of the Nominating Committee are John W. Chisholm (Chairman), David L. Bradshaw, and Charles G.


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Curtis. Our Board of Directors has determined that each of the Nominating Committee members is independent as defined under the applicable NYSE rules and listing standards. During the last fiscal year there were four meetings of the Nominating Committee.

Any shareholder may obtain free of charge a printed copy of our Nominating Committee Charter by sending a written request to Investor Relations, Natural Gas Services Group, Inc., 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 79701.79705.  You can also view and print a copy of our Nominating Committee Charter by clicking on the “Governance” tab at the Investor Relations page of our website atwww.ngsgi.com.  Our Nominating Committee does not have a diversity policy; however, as discussed below, the Committee’s goal is to nominate candidates who possess a range of experiences and backgrounds which will contribute to the board’s overall effectiveness in meeting its duties and forwarding the goals of our company.

Our Nominating Committee will consider a Director candidate recommended by a shareholder.  A candidate must be highly qualified in terms of business experience and be both willing and expressly interested in serving on the Board.  A shareholder wishing to recommend a candidate for the Committee’s consideration should forward the candidate’s name and information about the candidate’s qualifications to Natural Gas Services Group, Inc., Nominating Committee, 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 79701,79705, Attn.: John W. Chisholm.  Submissions must include sufficient biographical information concerning the recommended individual, including age, employment history for at least the past five years indicating employer's names and description of the employer’s business, educational background and any other biographical information that would assist the Committee in determining the qualifications of the individual.  The Committee will consider recommendations received by a date not later than 120 calendar days before the date our proxy statement was released to shareholders in connection with the prior year’s annual meeting for nomination at that annual meeting.  The Committee will consider nominations received after that date at the annual meeting subsequent to the next annual meeting.

The Committee evaluates nominees for Directors recommended by shareholders in the same manner in which it evaluates other nominees for Directors.  Minimum qualifications include the factors discussed above.

Director Independence

The Board has determined that each of the following four members of the Board is “independent” within the meaning of applicable listing standards of the NYSE and under the standards, set forth in Exhibit A to our Governance and Personnel Development Charter, (“Governance Charter”) which are consistent with the NYSE listing standards: David L. Bradshaw, John W. Chisholm, Charles G. Curtis, and William F. Hughes, Jr. A copy of Exhibit A to our Governance Charter is available at our website,www.ngsgi.com, under the heading “Investor Relations—Governance.Relations-Governance.”  The Board has made an affirmative determination that each of the four directors named above satisfies these categorical standards.  In making its determination, the Board examined relationships between directors or their affiliates with us and our affiliates and determined that each such relationship, if any, did not impair the director’s independence.




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Board of Directors Diversity


The Company values diversity and the benefits that a diverse workforce can bring to the Company and to the Board of Directors. Diversity can promote the inclusion of different perspectives and ideas which can lead to more robust discussion regarding strategic and governance policy alternatives and, ultimately, result in better corporate governance and decision making.


The Company seeks to maintain a Board comprised of talented and dedicated directors with a diverse mix of expertise, experience, skills and backgrounds. The skills and backgrounds collectively represented on the Board should reflect the diverse nature of the business environment in which the Company operates. As new members of the Board of Directors are considered, diversity considerations should include - but not be limited to - business expertise, geography, age, gender and ethnicity.



The Company is committed to a merit-based system for Board composition within a diverse and inclusive culture which solicits multiple perspectives and views and is free of conscious or unconscious bias. When assessing Board composition or identifying suitable candidates for appointment to the Board, the Company will consider candidates on merit with due consideration to the benefits of diversity and the needs of the Board. The Board and its Nominating Committee are especially cognizant of the benefits of gender and ethnic diversity and will continue to focus on important diversity metrics in future searches.

The Board’s Leadership Structure

Under our Corporate Governance Guidelines, our Chief Executive Officer also serves as our Chairman of the Board, and that person is responsible to the Board for the overall management and functioning of the company.  Stephen C. Taylor serves as both Chairman of the Board and our President and Chief Executive Officer (“CEO”).  The Board believes this is the most effective Board leadership structure at the present time and believes that Mr. Taylor, in his role as Chairman/CEO, has the ability to execute on both our short-term and long-term strategies necessary for the challenging marketplace in which we compete.  The independent directors believe that Mr. Taylor's detailed and in-depth knowledge of the issues, opportunities and challenges facing us and our business make him the best qualified director to develop agendas that ensure that the Board’s time and attention are focused on the most critical matters.  Further, as the individual with primary responsibility for managing day-to-day operations, Mr. Taylor is best positioned to chair regular Board meetings and ensure that key business issues and risks are brought to the attention of our Board and/or Audit Committee.    

Each of our directors, other than Mr. Taylor, is independent, and the Board believes that the independent directors provide effective oversight of management.  The Board may subsequently decide, however, to change that leadership structure which would require a revision to our Corporate Governance Guidelines. The Board believes that it has in place safeguards to ensure that we maintain the highest standards of corporate governance and continued accountability of the CEO to the Board. These safeguards include:

All members of the Board are independent directors except for Mr. Taylor.
Each of the Board’s standing committees, including the Audit, Compensation, Governance and Nominating Committees, are comprised of and chaired solely by non-employee directors who meet the independence requirements under the NYSE listing standards and other governing laws and regulations. As noted above, these committees meet frequently.
Review and determination of Mr. Taylor’s compensation and performance remains within the purview of the Compensation Committee.
The independent directors continue to meet in executive sessions without management present to discuss the effectiveness of the company’s management, the quality of the Board meetings and any other issues and concerns.

Lead Director

To promote the independence of the Board and appropriate oversight of management and to demonstrate our commitment to strong corporate governance, the independent directors designate an independent, non-employee director to serve as our Lead Director. The Lead Director helps to facilitate free and open discussion and communication among the independent, nonemployee directors. The responsibilities of the Lead Director are set forth in our Corporate Governance Guidelines, which is available under “Investor Relations - Governance Documents” on our website at www.ngsgi.com. Charles G. Curtis was appointed Lead Director in April 2016.





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Role in Risk Oversight

     Our Board of Directors oversees the management of risks inherent in the operation of our business and the implementation of our strategic plan.  Our executive management is responsible for the day-to-day management of risks we face.  The Board is periodically advised by management on the status of various factors that could impact our business and operating results, including oil and gas industry issues, operational issues (such as compressor manufacturing issues, backlog for compressor equipment etc.), legal and regulatory risks. The full Board is also responsible for reviewing our strategy, business plan, and capital expenditure budget.    
 

Our Board committees assist the Board in fulfilling its oversight responsibilities in certain areas of risk.  Our Audit Committee serves an important role in providing risk oversight, as further detailed in its charter. One of the Audit Committee’s primary duties and responsibilities is to monitor the integrity of our financial statements, financial reporting processes, systems of internal controls regarding finance, and disclosure controls and procedures.  The Compensation Committee assists the Board with risk management relating to our compensation policies and programs, and the Governance and Nominating Committee assists with risk management relating to Board organization, membership and structure, succession planning for our directors and executive officers, and corporate governance.



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CODE OF ETHICS

Our Board of Directors has adopted a Code of Business Conduct and Ethics, or “Code”, which is posted on our website atwww.ngsgi.com. You may also obtain a copy of our Code by requesting a copy in writing at 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 7970179705 or by calling us at (432) 262-2700.

Our Code provides general statements of our expectations regarding ethical standards that we expect our Directors, officers and employees, including our Chief Executive Officer and principal financial officer, to adhere to while acting on our behalf.  Among other things, the Code provides that:

we will comply with all laws, rules and regulations;
our Directors, officers and employees are to avoid conflicts of interest and are prohibited from competing with us or personally exploiting our corporate opportunities;
our Directors, officers and employees are to protect our assets and maintain our confidentiality;
we are committed to promoting values of integrity and fair dealing; and that
we are committed to accurately maintaining our accounting records under generally accepted accounting principles and timely filing our periodic reports.

Our Code also contains procedures for our employees to report, anonymously or otherwise, violations of the Code.



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SHAREHOLDER ENGAGEMENT

The Company's Board of Directors and executive management believes that building long-term relationships with all Company stakeholders is vital to our strategy for corporate governance. Our shareholders, who invest in our company and elect the board of directors, are entitled to important information about the company's business, policies and practices so they can make informed decisions and knowledgeably participate in the governance process.

The Company’s executive management has directly engaged shareholders throughout the year in many diverse ways including quarterly conference calls, investor and industry conferences and individual meetings initiated by both the Company and shareholders. It is our policy to actively engage our shareholders in dialogue about our business condition,financial and operational trends, the structure of our business, and certain governance issues, including executive compensation.
Overall, the Company engages our shareholders on a regular basis. In addition to periodic reports filed with the U.S. Securities and Exchange Commission, the Company holds quarterly conference calls to discuss interim financial and operational results with its stakeholders, participates in several industry conferences which are available to Company stakeholders in person or via various public online platforms and meets with shareholders in person throughout the year. The Compensation Committee considersCompany believes that its consistent and continuous shareholder engagement strategy has created an environment in which shareholders are comfortable in providing candid feedback and critique of the annualCompany’s operations, governance and executive compensation policies.

Additionally, independent directors have taken a proactive approach in participating in shareholder engagement efforts resulting from feedback received from shareholders and proxy advisory vote,services. Independent directors continue to regularly review the Company’s shareholder outreach and communication programs and participate as appropriate. The Company anticipates continuing to increase the role of independent directors in appropriate stakeholder outreach programs.

During 2018, the Company estimates it met with over106 unique shareholders and prospective shareholders at various meetings across North America. These engagements provided detailed information about the Company’s financial and operational performance as well as other stockholder input, when reviewingkey information of certain corporate governance matters, including executive compensation programs, principlescompensation. Such information is publicly disseminated in the form of periodic filings with the U.S. Securities and policies.
As a result of critiques of our executive compensation planExchange Commission, press releases and the resulting advisory vote on our executive compensation structure, we directly engaged key institutional shareholders in a number of ways including supplemental proxy materials providing additional descriptive information on our overall executive compensation structure. In addition, since our last Annual Meeting, the Company’s executive management has directly engaged many of our institutional shareholderswebsite, including in discussions about our executive compensation program. Specifically, we have discussed our executive compensation program with a number of our top twenty actively managed holders and met with approximately 80 institutional shareholders since our last annual meeting. As a result of those conversations, the Board has considered and adopted certain adjustments to our executive compensation process and policies. See "Executive Compensation" beginning on page 16.investor relations section.




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ENVIROMENTAL, SOCIAL AND GOVERNANCE

NGS believes that effective corporate governance extends beyond our work in the oilfield. As our Company continues to expand its footprint and grow, it is our duty to do so in a socially and environmentally responsible way. In response to our continuing shareholder dialogue and commitment to actively addressing shareholder feedback, the NGS Board of Directors is in the process of formalizing an Environmental, Social and Governance (“ESG”) policy that will focus on environmental stewardship, our community and the continued safety of our employees and operations.

The NGS Board of directors believes that integrating an effective ESG policy into the long-term strategy of the Company better aligns the interests of Company management, its employees and NGS stakeholders The Company’s efforts include the following initiatives:

Environmental Stewardship: NGS continues to identify policies, methods and initiatives that improve the environmental efficacy of our operations. In the past year, those initiatives include:
Leadership in retro-fitting and building new gas compression equipment that incorporates the latest gas-engine emissions control technologies and equipment packages that reduce the consumption and discharge of oil and antifreeze.
Construction of the Company’s new corporate headquarters where we have incorporated the latest energy-efficient technologies designed for commercial buildings. These include, but are not limited to ‘daylight harvesting’ technology that dims office lights according to the available sunlight; outside lighting set to a celestial calendar/astro-clock that turns lights off and on according to actual sunrise/sunset times and interior lights that incorporate AI to ‘learn’ when the office is typically occupied for various energy settings.
Community: NGS believes in being a responsible corporate citizen in the communities in which we operate and live. Employees at NGS are encouraged to volunteer and give back to their communities.
Safety: NGS is committed to the health and safety of our employees. NGS requires mandatory safety training for all of our employees to ensure a safe work environment. NGS maintains one of the lowest Total Recordable Incident Rates (“TRIR”) in the industry thanks to our strong safety program.

NGS continues to regularly review its Corporate Governance and Personnel Development Guidelines to reflect their commitment to effective ESG oversight. The Company is committed to providing annual updates on its ESG initiatives and progress, including methods that can be utilized to measure the impact and success of the Company’s initiatives over time. The Company’s Board of Directors considers progress in ESG initiatives as an important component of annual evaluations of executive leadership.



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EXECUTIVE OFFICERS

Biographical information for the executive officers of Natural Gas Services Group who are not Directors is set forth below.  There are no family relationships between any Director or executive officer and any other Director or executive officer.  Executive officers serve at the discretion of the Board of Directors and until their successors have been duly elected and qualified, unless sooner removed by the Board of Directors.  Officers are elected by the Board of Directors annually at its first meeting following the annual meeting of shareholders.
 
G. Larry Lawrence, 66,68, became our Chief Financial Officer, Principal Accounting Officer and Corporate Secretary on July 1, 2011. Previously, Mr. Lawrence was our Controller since September 2010.  From June 2006 to August 2010, Mr. Lawrence was self-employed as a management consultant doing business as Crescent Consulting.  Overlapping this time, from September 2006 to August 2009, he also served as the CFO of Lynx Operating Company.  Lynx is a private company engaged in oil and gas production and gas processing activities. From May 2004 through April 2006, Mr. Lawrence served as Controller of Pure Resources, an exploration and production company and wholly owned subsidiary of Unocal Corporation which was acquired by Chevron Corporation. From June 2000 through May 2004, Mr. Lawrence was a practice manager of the Parson Group, LLC, a financial management consulting firm whose services included Sarbanes Oxley engagements with oil and natural gas industry clients. From 1973 through May 2000, Mr. Lawrence was employed by Atlantic Richfield Company where he most recently (from 1993 through 2000) served as Controller of ARCO Permian. Since May 2006, Mr. Lawrence serves as a director of Legacy Reserves, LP.  Mr. Lawrence has a Bachelor of Arts in Accounting, with honors, from Dillard University.

James R. Hazlett, 61,63, has served as Vice President-Technical Services since June 2005.  He also served as Vice President of Sales of Screw Compression Systems, Inc. from 1997 until June 2007 when Screw Compression Systems, Inc. was merged into Natural Gas Services Group.  After the merger in June 2007, Mr. Hazlett continues to remain employed by Natural Gas Services Group as Vice President-Technical Services.  From 1982 to 1996, Mr. Hazlett served in management roles for Ingersoll Rand/Dresser Rand working with compression of all types in several different departments from sales and service to engineering. From 1978 to 1982, Mr. Hazlett was employed by the down-hole tool division of Hughes Tool designing and installing gas lift and plunger systems.Mr. Hazlett holds a Bachelor of Science degree from the College of Engineering at Texas A&M University and has over 3940 years of industry experience.



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 EXECUTIVE COMPENSATION

Compensation DiscussionIn June 2018, the Securities and Analysis

Compensation DiscussionExchange Commission (“SEC”) approved amendments to the definition of a “smaller reporting company” (SRC) which became effective in September 2018.  These amendments greatly expanded the number of companies that qualify as SRCs and Analysisthereby are eligible to use scaled down disclosures in their SEC filings and reports.   For 2019, Natural Gas Services Group, Inc. meets the new definition of an SRC.  One of the significant SRC benefits is a reduction in the amount of executive compensation disclosure, including deletion of the requirement to provide the compensation, discussion and analysis section our annual proxy statement.  That said, we are cognizant that our compensation disclosure provides important information to our shareholders and have elected to continue with our customary executive compensation disclosures.  We believe the following disclosure provides transparency regarding our compensation policies and practices so that our shareholders can make informed decisions and knowledgeably participate in the governance process.  As in the past, we intend to continue to engage our shareholders regarding our compensation policies.

This compensation discussion and analysissection provides information regarding our executive compensation program in 20162018 for the following executive officers of the Company (collectively, the "named executive officers").

Stephen C. Taylor, our Chairman, President, and Chief Executive Officer;
G. Larry Lawrence, our Chief Financial Officer; and
James R. Hazlett, our Vice President-Technical Services.

Introduction and Overview

The Compensation Committee or, the “Committee,” of the Board of Directors is responsible for determining the types and amounts of compensation we pay to our executives. The Committee operates under a written charter that you can view on our website atwww.ngsgi.com.  The Board of Directors has determined that each member of the Committee meets the independence and financial literacy requirements of the NYSE. The Board determines, in its business judgment, whether a particular Director satisfies the requirements for membership on the Committee set forth in the Committee’s charter. None of the members of the Committee are current or former employees of Natural Gas Services Group or any of its subsidiaries.

The Committee is responsible for formulating and administering our overall compensation principles and plans.  This includes establishing the compensation paid to our CEO, meeting and consulting with our CEO to establish the compensation paid to our other executive officers, counseling our CEO as to different compensation approaches, administering our stock equity plans, monitoring adherence to our compensation philosophy and conducting an annual, and sometimes more frequent, review of our compensation programs and philosophy regarding executive compensation.

The Committee periodically meets in executive session without members of management or management Directors present and reports to the Board of Directors on its actions and recommendations.

Compensation Philosophy and Objectives

Our compensation philosophy is to provide an executive compensation program that:

rewards performance and skills necessary to advance our objectives and further the interests of our shareholders;
is fair and reasonable and appropriately applied to each executive officer;
is competitive with compensation programs offered by our competitors; and
serves as an adequate retention tool in a competitive market.

The overall objectives of our compensation philosophy are to:

provide a competitive level of current annual income that attracts and retains qualified executives at a reasonable cost to us;
retain and motivate executives to accomplish our company goals;
provide long-term incentive compensation opportunities at levels appropriate for the respective responsibilities and performance of each executive;
align compensation and benefits with our business strategies and goals;
encourage the application of a decision making process that takes into account both short-term and long-term risks and the sometimesoftentimes volatile nature of our industry; and


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align the financial interests of our executives with those of our shareholders through the potential grant of equity based rewards.



Our Committee supports these objectives by emphasizing compensation arrangements that we believe are reasonable and will attract and retain qualified executives and reward them for their efforts to further our long-term growth and success.  At the same time, we remain cognizant of and aim to balance our executive compensation arrangements with the interests and concerns of our shareholders.




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The following summary highlights our commitment to executive compensation practices that align the interests of our executives and shareholders:

WHAT WE DO WHAT WE DON’T DO
     
ü
Fully independent compensation committee- permits the establishment of competitive compensation practices and the measurement of actual performance in a conflict-of-interest free environment
 û
No gross-ups - executive officers are not eligible to receive any tax reimbursement payments or “gross-ups” in connection with any severance or change-in-control payments or benefits
     
ü
Broad-based retirement programs - all of our retirement plans are broad-based and are provided to all full-time employees in addition to our executive officers
 
û

Limited perquisites - with the exception of certain expense reimbursements as detailed in the Summary Compensation Table that follows this CD&A,compensation report, we do not provide any perquisites

     
ü
Independent compensation consultant - the Committee engaged its ownannually engages an independent compensation consultant to assist with its compensation reviews

 
û

Prohibition of hedging and pledging shares   - we do not permit hedging or pledging our shares as collateral for a loan nor do we permit our executives or non-employee directors to engage in any derivatives trading with respect to our common stock
     
ü
Annual review- the Committee conducted itsconducts an annual review and approval of the Company’s compensation strategy, including a review of our compensation peer group used for comparative purposes and a review of our compensation related risk profile to ensure that such risks are not reasonably likely to have a material adverse effect on the Company
 
û

No stock option exchanges or repricing - we do not allow for stock option exchanges or the repricing of outstanding stock options without stockholdershareholder approval
     
ü


Risk mitigation - we have certain controls in place (signature authority, compensation structure, etc.) and an analysis is conducted on a quarterly basis

 
û

No related party transactions - we do not have any related party transactions
     
ü


Double-trigger employment- our change-in-control payments and benefits with our Chief Executive Officer are based on a “double-trigger” provision
   
     
ü

Stock ownership guidelines - stringent ownership policies for Directors anddirectors, CEO and other Officersofficers
   
     
ü
Clawback policy - applicable to our NEO's ("named executive officers") and other executive officers
   
     
ü

Three Year Vesting on Equity Awards - equity awards to our NEOs are now subject to a three-year vesting requirement starting in 2017
   
     
ü


Performance Compensations - our cash bonuses are primarily tied to annual financial performance metrics and a portion of our CEO's long-term equity award is tied to our total shareholder return compared to our peer group
   


We have chosen to implement a relatively streamlined compensation framework for our executives.  We feel that our compensation philosophies and practices are appropriate for a public company of our size. This streamlined framework allows


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the Company and Compensation Committee to maintain a high degree of transparency, as well as relative certainty for our executives and our shareholders and prospective investors, while minimizing the impact of complex benefit programs that are both costly and potential confusing. Our compensation programs are focused on a simple goal: a fair, reasonable and straightforward compensation program that rewards our leadership team for achievements beneficial to the Company and its shareholders.

Advisory Vote on Compensation; Shareholder Engagement

At our 20162018 Annual Meeting, approximately 65%95% of the votes cast on the annual advisory “say on pay” proposal were cast in support of the compensation of our named executive officers. This was significantly higher than the vote in 20152017 where less than 50%68% of the votes cast were in support of the proposal. We believe the increase in support wasover the past two years has been due to the significant compensation and governance changes we made as described in this and our 2016past Proxy Statement. However, the results were still disappointing as we believe a sizeable portion of the disapproval votes were the result of the influence of misguided recommendations of certain proxy advisory firms. As noted in Supplemental Proxy Materials submitted by the Company subsequent to the filing of the 2016 Proxy Statement, we believe the reports of certain proxy advisory firms contained factual errors and erroneous assumptions that resulted in misguided conclusions and recommendations.Statements.

Although the Advisory Vote on Executive Compensation inis not binding on the Company, the Board of Directors providesassigns significant weight to the outcome of the vote and responds accordingly. In both 2015 and 2016the past four years, the Company’s Board of Directors and executive management considered the results of the vote and recommendations of the proxy advisory firms as it engaged in meaningful review of its corporate governance and executive compensation matters with advisors and other stakeholders. Those discussions included over 80 meetings with key institutionalThe vast majority of input on our compensation programs and executive pay from these shareholders during the past year, in addition to over 75 meetings with similar shareholders during 2015.has been positive.

The Compensation Committee and Board of Directors believe that our executive compensation program and corporate governance policies are optimal for the Company, and continue to align company leadership with the best interests of shareholders.shareholders and have facilitated and supported executive compensation that has delivered industry-leading results. At the same time, the Compensation Committee also recognizes the ever-evolving compensation and governance landscape. Below is a summary of what we heard and the actions we took in response during the last two years:
.


















Below is a summary of what we heard and the actions we took in response:response to many of these issues during the last four years:

Compensation and Governance Concerns  Responses to the Concerns
Insufficient Risk Mitigators (i.e., lack of clawback policy and stock ownership guidelines)  
We have adopted both a Clawback Policy covering our executive officers and Stock Ownership Guidelines covering our executive officers and members of our Board of Directors.



  
Equity Award for CEO not directly performance driven and one year vesting of Restricted Stock Grants

 
A portion of the equity award for our CEO is now objectively calculated based on total shareholder return compared to our peer group.group and equity awards to our executive officers vest in one-third increments over three years. In addition, our Compensation Committee is also in the process of obtaining and reviewing reports and data relating to the manner in which share awards are determined and vest in keeping with the evolving trends for this type of compensation. Once finalized, we envision implementing these changes with respect to awards to be granted in 2019.

   
One Year Vesting of Restricted Stock Grants to Executive OfficersEquity Award for CEO based on one-year TSR  
The Compensation Committee approved a new framework forStarting in 2017, the TSR (total shareholder return) performance-driven portion of our long-termCEO’s equity compensation. Equity awards now vestaward was based on our three-year TSR results compared to the companies in one-third increments over three years.our peer group.


  
Excessive Cash Severance  
We do not feel that the cash severance benefits for our Chief Executive Officer are excessive. Any change of control severance requires a ‘double-trigger’ to be payable and the triggers are limited to the standard "good"good reason" events (see page 45)46). We believe the severance benefits are within the norms of companies in our industry that exhibit a similar performance profile that we do, i.e., industry leading total shareholder returns in each of the past one, three and five year periods. Please see the charts on page 2431 and the 20162018 performance achievements below. The cash severance due to our CEO in connection with "good reason" events (typically(this typically would be an involuntary occurrence) equates to approximately three years of total compensation based upon a year of good performance, which the Company has consistentlygenerally demonstrated. We also note that while the employment agreement with our Chief Executive Officer contains severance benefits, none of our other executive officers have any type of severance benefits.



  
Lack of Lead Independent Director  
We have amended our Corporate Governance Guidelines to include a lead independent director. Charles G. Curtis, our longest tenured independent director, has been appointed as our lead director.

Targeting 75th percentile for CEO's total compensation
Our CEO's total compensation (base pay and short and long term incentives) has been between the 50th and 75th percentile when compared to peer group companies with the final approved compensation being a combination of the CEO's and the Company's performance. Typically, although it can vary, base salary of our CEO has been in the median range while long term incentives are employed to incent our CEO for higher levels of performance, reward his efforts in increasing stockholder value and ensuring the compensation package is competitive. This allows the Compensation Committee to annually adjust the CEO's long term incentives in keeping with shareholder returns and Company performance. We think this is an appropriate alignment of pay relative to performance of the Company and the competitive market. Supporting this practice is the fact that the Company has performed in the top 1% to 21% of peer group companies for Total Shareholder Return in the last one, three and five year periods (please see pages 23 and 24 for relevant data). Our Compensation Committee believes this performance has justified total compensation being awarded in the65th to 70th percentile range in recent years. We have not targeted the 75th percentile for compensation-the performance of our CEO and the Company has resulted in compensation approaching that level. However, in the future, if the relative performance of the Company lags our peer group of companies, then the CEO’s total compensation will be evaluated under those circumstances.






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Fiscal Year 20162018 Performance
In 2016,2018, our financial performance demonstrated positive results and stable financial condition that provided excellent shareholder value in a very challenging time for a service company in the oil and gas industry. Some of our financial and operational highlights include:

Increasing cashFinancial Highlights of 2018
Maintained a strong balance sheet which has enabled the Company to weather the oil and cash equivalents (balance sheet) from $35.5 milliongas activity downturn while still reporting annual net income.
Took advantage of the Company's strong financial position to construct its own office building, a move the Company was able to do on a debt-free basis and positions the Company to avoid escalating office lease expenses in 2015 and $64.1 millionMidland, TX. We expect this asset will likely increase in 2016.value as the real estate market continues to grow.
Maintained debt at a continuing, very low level (less than $500k)$500,000).
Slight decrease in theMaintained a positive Current (Quick) Ratio (Current Assets/Current Liabilities ratio, a measure of liquidity) from16.0of 8.8 in 2015 to 15.3 in 2016. An2018,an important metric for shareholders in an environment whenwhere liquidity tends to decrease (often severely).can severely fluctuate.
DecreasedIncreased capital expenditures from $12.5$13.5 million in 20152017 to $4.3$39.8 million in 2016. A 66% reduction2018 in response to increased opportunities in the oilfield compression market and as a continuation of our strategic move into higher-horsepower equipment.
Directed the Company’s capital expenditures in 2016 demonstrateswith 90% plus of the immediate response the Company madefleet compression capital being contractually committed at preferable rates and long terms.
Continued to the deteriorating environment.
NGS has self-fundedself-fund growth capital expenditures, in excess of $196which has amounted to almost $250 million since 2010.
OperatingDelivered operating cash flow as a percentage of revenue was 46% in 2016 an increase from 2015’s 43%at 36%.    This means that of every dollar in revenue we turned 46 cents in 2016 of it into real spendable cash.This is among the highest in the compressor our industry.
Free cash flowAchieved Adjusted EBITDA as a percentage of revenue was up to 39.7% in 2016 compared to 30.3% in 2015of 35% (Adjusted EBITDA reflects net income or loss before interest, taxes, depreciation and (19.4%) in 2014amortization and compared to the S&P500 at 9%loss on retirement of rental equipment).
Free cash flow (operating CF less capital expenditures) remained healthy at $28.5 million in 2016.
Maintained Adjusted EBITDA at 43-44% of revenue in both years (2016/2015).
Increasedadjusted gross margins in our core rental business from 60% averageof 57% in 2014 to 62%2018 in 2015 to 64% in 2016 notwithstanding the difficulta cost compression industry cycle (Adjusted Gross Margin is defined as total revenue less cost of sales excluding depreciation and depressed industry cycle.amortization expense).
OurReduced SG&A expenses by 10% in 2018 when compared to 2017.
Outperformed the Company’s thirteen member peer group in 2018 as measured by Total Shareholder Return (TSR) . The Company’s TSR in 2018 was at the 82nd percentile when compared to its peer group.
Delivered positive net income, EPS (Earnings per Share) and ROCE (Return on Capital Employed) every year over the past decade.
Operational Highlights
In spite of record employment and an inflationary wage cycle, the Company was able to retain skilled and experienced employees due to its strong financial position, challenging work and a percenthighly competitive benefit package. 
Continued to execute on our strategic move into the high horsepower market (400HP to 1500HP) with significant new contracts, 90%-plus utilization and industry-leading rates and terms.
Added 29,508 horsepower of high horsepower equipment to the rental fleet representing an additional 8% of total revenue remained relatively steady notwithstandingfleet horsepower.
Introduced a new very high-pressure (4500 psig capability) compressor package for the significant drop in revenue dueemerging single-point gas lift market. Rental rates are market leading.
Incorporated new fabrication, operational and maintenance technologies into our premier 1400 horsepower equipment line.
Accomplished construction of the Company’s new corporate headquarters where the latest energy-efficient technologies designed for commercial buildings have been incorporated. These include, but are not limited to ‘daylight harvesting’ technology that dims office lights according to the challenging industry cycle.
Finalized developmentavailable incoming sunlight; outside lighting set to a celestial calendar/astro-clock that turns lights off and introduced two new gas compression products, a 400/600 horsepower CiP compressor frame/packageon according to actual sunrise and a 50HP-100Hp Vapor Recovery Unit (VRU) product line.
Negotiated a 50/50 JV with an industry partnersunset times and interior lights that incorporate artificial intelligence to investigate new, unconventional methods/models of rental compression.
For‘learn’ when the year 2016 NGS common public stock price increased by 44.2%, while the median increaseoffice is typically occupied for identified public peers increased 14%, the OSX index increased 16.5%, price of West Texas Intermediate crude oil increased 44.8%, while the average US land rig count decreased 48.0%.various energy settings.




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Elements of Our Compensation Program
 
Element  Characteristics  Primary Objective
Base Salary  Cash  Attract and retain highly talented individuals
   
Short-Term Incentives  Cash-based performance awards  Reward for corporate and individual performance
   
Long-Term Incentives  Restricted stockawards with vesting period  Align the interests of our employees and shareholders by providing employees with incentive to perform technically and financially in a manner that promotes share price appreciation
   
Other Benefits  
401(k) matching plans and employee health benefit plans

  Provide benefits that promote employee health and support employees in attaining financial security
    
We do not presently and have not in the past used any of the following types of executive compensation:

defined benefit pension plans;
employee stock purchase/ownership plans; or
supplemental executive retirement plans/benefits.benefits (other than a Non-qualified Deferred Compensation Plan to which the Company has not contributed).

Assistance Provided to the Committee

The Committee makes all compensation decisions regarding our executive officers.  Stephen C. Taylor, our Chief Executive Officer, annually reviews the performance of each of our executive officers (other than the Chief Executive Officer whose performance is reviewed by the Committee) and presents recommendations to the Committee with respect to salary and cash bonus percentage adjustments and restricted stock grants for our executives (other than the Chief Executive Officer whose salary, cash bonus percentage adjustments and restricted stock grants are determined solely by the Committee).  The Committee may exercise its discretion in modifying any recommendations made by our Chief Executive Officer.

The Committee also seeks the input and insight of Mr. Taylor concerning specific factors that Mr. Taylor believes to be appropriate for the Committee’s consideration and which the Committee may not be aware of, such as extraordinary efforts or accomplishments of our executive officers.  Mr. Taylor also advises the Committee on general topics such as the morale of our executives.

Natural Gas Services Group’s accounting department assists the Committee in the compensation process by gathering and organizing data, which is then presented to the Committee by Mr. Taylor for the Committee’s review.

Since 2012, our Compensation Committee has engaged an independent compensation consultant, Longnecker & Associates (the “Compensation Consultant”), to obtain objective, expert advice and assist with compensation matters concerning our Chief Executive Officer and Directors. Our Compensation Consultant advised the Compensation Committee on a variety of compensation related issues in 20162018 with respect to our Chief Executive Officer, including:

competitive pay analysis on executive compensation;

pay levels of the Chief Executive Officers;

Officer; 
our executive compensation program design, including short-term incentive plan design, long-term incentive plan design, and pay mix; and

analysis and recommendations concerning peer group companies.

In the course of conducting its activities, our Compensation Consultants communicated with the Compensation Committee and presented its findings and recommendations for discussion. During 2016,2018, our Compensation Consultants also met with our Chief Executive Officer to review its compensation report.




In 2015 and 2016,Since its engagement, our Compensation ConsultantsConsultant did not provide any services to the Company, or receivereceived any payments from the Company, other than in its capacity as a consultant to the Compensation Committee. The Compensation


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Committee has assessed whether the services provided by our Compensation Consultants raised any conflicts of interest pursuant to the SEC rules, and has concluded that no such conflicts of interest existed during 2015 or 2016.since its engagement and through 2018.

Competitive Pay Analysis

To evaluate the competitiveness of our Chief Executive Officer's base salary, determine total cash compensation (i.e., base salary plus target short-term cash incentive award), long-term incentive awards, and total direct compensation (i.e. base salary, target short-term cash incentive award, and long-term incentive awards), our Compensation Consultants provided the Committee with competitive pay information derived from a custom peer group (the “Custom Peer Group”) and referred to a variety of published compensation surveys utilizing companies that operate within the natural gas compression and energy services industries. In connection with compiling the data, our Compensation Consultants report blended data from the Custom Peer Group and the industry-specific published compensation surveys in order to provide the Committee with relevant comparable data. The companies comprising the Custom Peer Group in our Compensation Consultants’ compensation report used in connection with 2016 included:


NGS Custom Peer Group
Company NameCompany Description
GulfMark Offshore, Inc.GulfMark Offshore, Inc. provides offshore marine support and transportation services primarily to companies involved in the offshore exploration and production of oil and natural gas.
Archrock Partners, L.P.
Archrock Partners, L.P. provides natural gas contract compression services to customers in the United States.

Dawson Geophysical CompanyDawson Geophysical Company provides onshore seismic data acquisition and processing services in the United States.
CARBO Ceramics, Inc.

CARBO Ceramics Inc. is a technology and service company that provides engineered oilfield production enhancement, industrial performance enhancement, and environmental protection solutions.


Gulf Island Fabrication, Inc.

Gulf Island Fabrication Inc. fabricates offshore drilling platforms and other specialized structures.

CSI Compressco LP
CSI Compressco LP provides compression services and equipment for natural gas and oil production, gathering, transportation, processing, and storage.

Team, Inc.
Team, Inc. provides specialty industrial services in the United States, Canada, Europe, and internationally related to the construction, maintenance, and monitoring of pressurized piping and associated systems in the refining, petrochemical, power, pipeline, and other heavy industrial industries.

Tesco CorporationTesco Corporation, together with its subsidiaries, is engaged in the design, manufacture and service delivery of technology-based solutions for the upstream energy industry worldwide.
RigNet, Inc.RigNet, Inc. provides remote communications services for the oil and gas industry.
Mitcham Industries, Inc.Mitcham Industries, Inc., through its subsidiaries, engages in the leasing, sale, and service of geophysical and other equipment to the seismic industry worldwide.
USA Compression Partners, LPUSA Compression Partners, LP provides natural gas compression services under term contracts with customers in the oil and gas industry in the U.S.
Matrix Service Company

Matrix Service Company provides engineering, fabrication, infrastructure, construction and maintenance services primarily to the oil, gas, power, petrochemical, industrial and mining and minerals markets in the United States, Canada and internationally.

Flotek Industries, Inc.Flotek Industries, Inc. develops and supplies drilling, completion and production technologies and related services to the energy and mining industries in the U.S. and internationally.
TETRA Technologies, Inc.TETRA Technologies, Inc. operates as a diversified oil and gas services company through four divisions: Fluids, Production Testing, Compression and Offshore.

The Compensation Committee, with the assistance of the compensation consultant,Compensation Consultant, reviewed the companies comprising the Custom Peer Group in order to maintain its appropriateness for the competitive pay analysis. These companies were generally selected since they are all companies in the energy and energy services industry and the majority have relatively similar annual revenues and market capitalization. The Compensation Committee believes the Custom Peer Group reflects our current competitors for employee talent and that it provides an appropriate peer set for the purposes of evaluating our pay practices and the Chief Executive Officer’s pay levels.







The published compensation surveys consisted of the following 2016 materials:

Economic Research Institute -- Executive Compensation Assessor
Tower Watson -- Top Management Compensation
Mercer, Inc. -- US MTCS: Energy Sector
WorldatWork -- Total Salary Increase Budget Survey
Salary.com -- CompAnalyst

The Compensation Committee used the competitive pay information and surveys as a “market check” to ensure, in its subjective judgment, that the Chief Executive Officer’s base salary, target total cash compensation, long-term incentive awards and total direct compensation remain competitive. The Compensation Committee does not target any individual pay component to fall within a specific range or percentile of the competitive pay information. While the competitive pay information is important to the Compensation Committee’s approval process, it is just one of several factors considered by the Compensation Committee in approving executive compensation and the Compensation Committee has discretion in determining the nature and extent of its use.


































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The companies comprising the Custom Peer Group in our Compensation Consultants’ compensation report used in connection with 2018 included:

NGS Custom Peer Group
Company NameCompany Description
Hornbeck Offshore Services, Inc.Hornbeck Offshore Services, Inc. provides marine transportation services to exploration and production, oilfield service, offshore construction and military customers.
Independence Contract Drilling, Inc.Independence Contract Drilling, Inc. provides land-based contract drilling services for oil and natural gas producers in the United States.
Dawson Geophysical CompanyDawson Geophysical Company provides onshore seismic data acquisition and processing services in the United States.
CARBO Ceramics, Inc.CARBO Ceramics Inc. is a technology and service company that provides engineered oilfield production enhancement, industrial performance enhancement, and environmental protection solutions.
Gulf Island Fabrication, Inc.Gulf Island Fabrication Inc. fabricates offshore drilling platforms and other specialized structures.
CSI Compressco LPCSI Compressco LP provides compression services and equipment for natural gas and oil production, gathering, transportation, processing, and storage.
RigNet, Inc.RigNet, Inc. provides remote communications services for the oil and gas industry.
Mitcham Industries, Inc.Mitcham Industries, Inc., through its subsidiaries, engages in the leasing, sale, and service of geophysical and other equipment to the seismic industry worldwide.
Solaris Oilfield Infrastructure, Inc.Solaris Oilfield Infrastructure, Inc. manufactures and rents mobile proppant and chemical management systems to unload, store, and deliver proppant and chemicals at oil and natural gas well sites in the United States.
Key Energy Services, Inc.Key Energy Services, Inc. operates as an onshore rig-based well servicing contractor in the United States and offers clients a comprehensive array of onshore energy production services and solutions.
Flotek Industries, Inc.Flotek Industries, Inc. develops and supplies drilling, completion and production technologies and related services to the energy and mining industries in the U.S. and internationally.
TETRA Technologies, Inc.TETRA Technologies, Inc. operates as a diversified oil and gas services company through four divisions: Fluids, Production Testing, Compression and Offshore.
Geospace Technologies CorporationGeospace Technologies Corporation designs and manufactures instruments and equipment used in the acquisition and processing of seismic data and markets its seismic instruments primarily to the oil and gas industry worldwide.











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Performance Comparison to Peer Group

The table below shows the aggregate one, three and five-year Total Shareholder Return (“TSR”) for the Company as well as the median TSR for the peer group utilized by the Company.

Aggregate Total Shareholder Return
Company/Peer Group1-year TSR3-year TSR5-year TSR1-year TSR3-year TSR5-year TSR
Natural Gas Services Group44.2%16.6%122.3%(37.3)%(26.3)%(40.4)%
Median NGS Proxy Custom Peer Group14.0%(51.7)%(19.3)%(44.6)%(38.6)%(85.5)%




As the foregoing table indicates, the Company has significantly outperformed its peers in both 20162018 and over the past three and five years. Moreover, as the table below indicates, on an annualized basis, the Company has also outpaced its peer group over the same time period.

Annualized Total Shareholder Return
Company/Peer Group1-year Ann. TSR3-year Ann. TSR5-year Ann. TSR1-year Ann. TSR3-year Ann. TSR5-year Ann. TSR
Natural Gas Services Group44.2%5.3%17.3%(37.3)%(9.7)%(9.8)%
Median NGS Proxy Custom Peer Group14.0%(21.5)%(4.4)%(44.6)%(15.0)%(32.1)%
    
Disagreement with Institutional Proxy Advisors on our Custom Peer Group

The Company believes that it has received lower than expected support of its executive compensation structure because of the reports of certain proxy advisory firms which advise institutional investors on voting on annual proxy matters. As noted in Supplemental Proxy Materials submitted by the Company subsequent to the filing of the 2016 Proxy Statement, we believe the reports of certain proxy advisory firms contained factual errors and erroneous assumptions that resulted in misguided conclusions and recommendations..

One example of erroneous data provided by proxy advisory firms relates to the Company’s selection of its peer group. One firm, in its 2015 and 2016 reports, disapproved of the company-selected peer group. However, a review of both the Company peer group and that of the proxy advisory firm suggests the Company’s peer group is more appropriately aligned with the Company and its business than the peer group advocated by the proxy advisory firm.

While the peer group espoused by the proxy advisory firm was apparently selected with a focus on revenue of each enterprise, the Company determined its peer group with more emphasis on market capitalization. The Company's market cap (~$300 million at the time) was the median market cap (~$300 million) of the Company peer group; however, the Company's market cap was almost 1.75 times the median market cap of the proxy advisory firm’s referenced peer group (~$167 million). In our view, the focus of the proxy advisory frim’s peer group on revenue without regard for market capitalization resulted in inappropriate and punitive comparisons and conclusions with regard to the Company’s compensation program. The reliance on revenue as the key peer group selection is especially specious when the key driver of compensation analytics for proxy advisory firms is Total Shareholder Return. Revenue is not a universal predictor of corporate profitability and, may have a weak relationship to overall


shareholder returns, especially in a cyclical industry such as ours where margin volatility may result in a combination of higher revenues, lower profits and a decline in TSR. As a result, the Company will continue to rely on market capitalization as a primary variable for determining peer group members.a2018proxychart.jpg
    
Moreover, we believe the proxy advisory firm's peer group has additional limitations and liabilities and contained a disparate set of companies that has little relevance to the Company’s business:
Only three of the companies in the proxy advisory firm’s peer group are in the business of providing equipment and services to the oil and gas business, consistent with the GICS code of the Company.

The proxy advisory firm did not choose any oilfield compression companies for its peer group -- our primary business.

Ten companies (71%) in the proxy advisory firm’s selected peer group were exploration and production companies. These companies are our potential customers (not peers), have different financial measurement metrics and disparate shareholder expectations than peer companies engaged in oilfield service and industrial enterprises.

The proxy advisory firm’s peer group contained the following companies that were neither relevant nor appropriate for the development of meaningful compensation analytics:
(a)One exploration and production company filed for bankruptcy protection a month prior to the release of the proxy advisory firm’s review of our proxy. Another exploration and production company was in financial distress when included in the proxy advisory firm’s report and filed for bankruptcy protection shortly thereafter..

(b)Another company in the proxy advisory firm’s peer group is a small oil and gas company which is majority owned by an Israeli firm and has average trading volume of less than 1,000 shares per day.

(c)Another company in the proxy advisory firm’s peer group has an insignificant energy business with a primary focus on sports entertainment, baseball facility services including tournaments, field rentals, camps, and player and umpire instruction, and soccer camps and leagues as well as strength and conditioning services.

In contrast, the peer group assembled by the Company had the following attributes:
Eight of the twelve companies comprising the Company’s peer group are in the business of providing equipment and services to the oil and gas business, consistent with or similar to the GICS code of the Company. Moreover, the Company included its two primary competitors -- companies that provide contract compression equipment and related services -- in its peer analysis.

Only three of the twelve companies in the Company's peer group are exploration and production companies and are included to provide diversification to the overall energy sector.

One company is a broad-based industrial services company with significant presence in the oilfield equipment and services business.

We believe that the Company's peer group provides a much more relevant group of comparable companies than compared to proxy advisory firm’s arbitrary peer group.  

We also note that the proxy advisory firm’s peer groups over the last three years have been subject to above-average churn (changes in the composition of the peer group), a concept of which the proxy advisory firm is critical when analyzing company-generated peer groups. The proxy advisory firm removed seven companies from its Company peer group between its 2014 and 2015 proxy analysis reports and removed five peers from its 2015 peer group when compared to the analytical report released in June 2016. Moreover, the five peers removed from the most recent peer group were in the proxy advisory firm’s peer group for only one analytical cycle.

As indicated in a review of previous proxy advisory firm peer group analysis, we posit that if issuers like NGS had similar turnover in their peer groups, the proxy advisory firm would be likely to criticize the churn as excessive and done in an attempt to create artificial comparable compensation metrics that would benefit company’s executives without regard for shareholder benefits.



a2016proxyst_chart-33399.jpg
The chart above graphically describes the relative performance of NGS common stock over the past five years when compared to key benchmarks: the S&P 500 Index, the Philadelphia Oil Services Index, the Company’s current peer group and the most recent peer group selected by a leading proxy advisory firm.

The Compensation Committee and Board believes this data shows: (1) the Company’s compensation plan has provided incentives for the leadership team to maximize both short- and long-term shareholder value; (2) regardless of the peer group used, NGS has meaningfully outperformed the identified peers; and (3) the NGS-selectedits peer group, is more representative of the Company’s industry peers than that of the proxy advisory firm as evidenced by the similar performance of the NGSfirm’s peer


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group and the Philadelphia Oil Services Index, the leadingIndex. NGS believes that comparing its stock performance benchmark for our industry. Moreover, the Company-identified peer group provides a more challenging “hurdle rate” for relative shareholder return than the proxy advisory firm peer group, a tenet the Company believes is key to the rigor ofthose benchmarks reflects the Company’s analysis in contrastability to that of the proxy advisory firms.

In short, over the past five years, the Company’s compensation program has resulted in management decisions and leadership that have provided NGS shareholders with consistent, industry-leading returns and has created an environmentnavigate a tumultuous period for similar opportunities into the future. 

In summary, we believe greater weight should be given the Company-selected peer group, especially given the deficiencies found in this proxy advisory firm’s peer group, which include:

The proxy advisory firm’s peer groups rely on revenue comparisons rather than market capitalization, which is more closely correlated with Total Shareholder Return;
The proxy advisory firm’s peer groups include numerous companies in unrelated or non-comparable businesses and excludes any companies operating in the compressor business; and
The proxy advisory firm’s peer groups are characterized by excessive year-to-year churn.


oilfield services sector.

Individual and Company Performance - Base Salary and Equity Awards

The Compensation Committee also evaluates compensation, particularly base salary levels and equity awards (restricted stock awards), through an analysis of each executive officer’s individual performance and the overall performance of Natural Gas Services Group,the Company, our goal being to strengthen the link between what we pay our executives and the performance of Natural Gas Services Group.the Company.  Factors the Committee considers in our analysis include:

The individual performance, leadership, business knowledge and level of responsibility of our officers;
The particular skill-set and longevity of service of the officer;
The effectiveness of the officer in implementing our overall strategy; and
The general financial performance and health of the Company.

Specific Company Financial Metrics - Cash Bonuses

With respect to compensation we pay in the form of cash bonuses, the Committee sets performance levels for three specific companyCompany financial metrics.  The Committee relies on whether these levels are achieved and the individual performance of our executive officers to determine whether cash bonuses are awarded and the amounts of such bonuses.  The three financial metrics the Committee considers are:

Total revenues;
Adjusted EBITDA; and
Adjusted netNet income before taxes.

Adjusted EBITDA is calculated from our audited financial statements by adding to net income, or loss, (1) amortization and depreciation expense, (2) interest expense, (3) provision for income tax expense and (4) loss on retirement of rental equipment.

We believe that our core executive compensation mix of base salary, cash bonuses and equity awards, while fairly limited, presently provides enough diversity for us to link executive compensation to our short-term and long-term objectives.  For instance, annual income, while equity awards are more closely linked to the long-term objectives of earnings per share and increased market value of our common stock.

Base Salary

We provide our executive officers and other employees with base salary to compensate them for services rendered during the fiscal year.  Each year the Committee receives base salary recommendations from our Chief Executive Officer for all of our executive officers (other than our Chief Executive Officer whose base salary is evaluated by the Committee on an annual basis).

In January 2016,2018, the Compensation Committee reviewed the 20152017 performance of our Chief Executive Officer, Stephen C. Taylor, along with the competitive pay information provided in Longnecker’sthe Compensation Consultant’s report, in setting Mr. Taylor's base salary for 2016. Before the increase in salary for 2016, Mr. Taylor’s base salary fell to slightly less than the 75th percentile bracket using the blended Custom Peer Group and natural gas compression/energy services specific data contained in Longnecker’s report. In connection with2018. Based on that review, the Committee modestly increased the base salary of Mr. Taylor from $543,063 in 2015$576,800 to $560,000,$594,100, an increase of approximately 3%. The increase was made in recognition of Mr. Taylor’s leadership and contributions to the Company's strong 2015 financial and operational results, which included: (i) increasing cash and cash equivalents from $6.2 million to $35.5 million in 2015; (ii) maintained long-term debt at a continuing, very low level (less than $500,000) while self-funding capital expenditures; (iii) total revenue decreased only 1.1% in 2015 compared to 2014, a record revenue year, a significant achievement considering the depressed oil and gas operating environment in 2015; (iv) decreasing capital expenditures from $53.3 million in 2014 to $12.5 million in 2015 demonstrating a timely and quick response to the deteriorating oil and gas industry environment; (v) increasing operating cash flow as a percentage of revenue from 35.6% in 2014 to 43% in 2015, making the Company an industry leader in this category; (vi) increasing free cash flow (operating cash flow less capital expenditures) as a percentage of revenue from (19.4% ) in 2014 to 30.3% in 2015; (vii) maintaining strong adjusted EBITDA; (viii) increasing average gross margins in our core rental business from 60% in 2014 to 62% in 2015, notwithstanding continuing pressures on revenue and pricing due to the significant fall-off in oil and gas industry; (ix) increasing compressor sales revenues by 27% from 2014 to 2015; (x) maintaining SG&A expenses at 11% of total revenue in both 2014 and 2015 -- the lowest among the Company’s public peers; (xi) finalized development, and introduced two new gas compression products, a 500 horsepower CiP compressor frame/package and a 50HP-100Hp Vapor Recovery Unit (VRU) product line; and (xii) significantly outperforming the Company’s peer group with respect to total shareholder return.


With respect to our other two named executive officers other than our CEO, James Hazlett, our Vice President of Technical Services, base salary for 20162018 was $206,000$218,545 compared to $200,000$212,180 for 2015.2017. The base salary of G. Larry Lawrence, our Vice President and Chief Financial Officer, for 2016,2018, was $192,600$204,330 compared to $187,000$198,380 for most of 2015. We continue, as we have in the past, to rely on the following factors in evaluating and determining the amount of compensation we pay these executives:

our general knowledge of executive compensation levels in the natural gas compression industry and similarly sized energy service companies;
each executive’s individual performance and the overall performance of Natural Gas Services Group; and
specific company financial metrics and the application of specific weights to such metrics.

The applicability of these factors varies depending on the type of compensation being evaluated and determined.  For instance, we do not rely on weighted company financial metrics to evaluate and determine base salary levels, but such factor is the primary means through which we evaluate and determine the amount of the cash bonuses we award to our executives. Below is a more detailed discussion of how these factors apply to the different types of compensation we utilize.2017.

Short-Term Incentives - Annual Incentive Bonus Plan

In 2006, the Committee adopted an Annual Incentive Bonus Plan or, the “IBP,” that provides guidelines for the calculation of annual non-equity incentive based compensation in the form of cash bonuses to our executives, subject to Committee oversight and modification.  The bonuses awarded under the IBP are short-term awards in recognition of the overall performance and efforts made by our executives during a particular year. Each year, the Committee approves the group of executives eligible to participate in the IBP and establishes target award opportunities for such executives. For 2016,2018, the Committee maintained Mr. Taylor’s target


27




award opportunity at 100% of his base salary. Target award opportunity was 50% of average base salary for Messrs. Lawrence and Hazlett.

In 2016,2018, 90% of an executive officer’s IBP award was based on achievement of company financial objectives relating to:

Total revenues;
Adjusted EBITDA; and
Adjusted netNet income before taxes.

Each of these three components accounts for 30% of the total company financial objective portion of the IBP.  The remaining 10% of an executive officer’s IBP award is based upon individual performance as evaluated by our CEO (except with respect to our CEO whose individual performance is evaluated by the Committee).

Over the past five years, the Company has awarded executives full incentives in three years in which the Company met or exceeded its targets objectives. In the other two years, performance incentives were awarded at lower levels as the target payout metrics set by the Board were not met, an indication of the rigor the Board has used in setting performance targets and assessing managerial performance. In 2016 executives received only 70% of their target payout because they did not attain the aggressive annual performance measures set by the Board, even as the Company’s common stock gained over 44% in the same period.

Each year, the Committee sets three performance levels for each component of the company financial objective portion of the IBP.  The payment of awards under the IBP is based upon whether these performance levels are achieved for the year. Payout on each of the three financial objectives is as follows:

75% of the bonus amount attributable to a financial component will be paid if we achieve the "threshold" amount;

100% of the bonus amount attributable to a financial component will be paid if we achieve the "target" amount; and

125% of the bonus amount attributable to a financial component will be paid if we achieve the "stretch" amount.




The following table sets forth the bonus financial criteria and the performance levels set by the Committee and the resulting bonus payout percentages in 2016:


20162018 Annual Incentive Bonus Plan

2016 Executive Bonus Criteria (1)
RevenueAdjusted Net Inc. before Taxes
Adjusted EBITDA(2)
Threshold achievement pays 75% of bonus$73,883,433
$4,502,994
$26,740,994
Target achievement pays 100% of bonus$78,580,530
$8,785,298
$31,023,298
Stretch achievement pays 125% of bonus$86,609,087
$11,833,395
$34,071,395

(1)The three financial criteria were based on operating performance without giving effect to an equipment/inventory write-off taken in 2016.

(2)  Adjusted EBITDA is defined as the Company's earnings before interest, income taxes, depreciation and amortization and, loss on retirement of rental equipment and is an indicator of operating performance.
2018 Executive Bonus CriteriaRevenueNet Inc. before Taxes
Adjusted EBITDA(1)
Threshold achievement pays 75% of bonus$69,100,000
$2,155,600
$24,010,600
Target achievement pays 100% of bonus$70,640,000
$3,305,200
$25,160,200
Stretch achievement pays 125% of bonus$72,010,000
$4,193,200
$26,048,200


The following table sets forth the actual results achieved and the resulting bonus payout percentages earned in 2016:

Criteria
Actual 2016 Performance (1)
Target Metric
Eligible Bonus Payment
Percentage

Bonus ComponentPayable Bonus
Revenue$71,653,524
$78,580,530%30%%
Adjusted Net Inc before Taxes$9,576,494
$8,785,298
100%30%30.0%
Adjusted EBITDA(2)
$31,380,473
$31,023,298
100%30%30.0%
Personal Performance  100%10%10.0%
Total    70.0%

(1)The three financial criteria and 2016 performance were based on operating performance without giving effect to an equipment/inventory write-off taken in 2016.
(2)  Adjusted EBITDA is defined as the Company's earnings before interest, income taxes, depreciation and amortization and, loss on retirement of rental equipment and is an indicator of operating performance.

The following table sets forth the maximum bonus eligibility set by the Committee for 20162018 for each of our named executive officers, and based upon the payout percentages noted in the table above, the bonus payout amount earned by each named executive for 20162018 under our Annual Incentive Bonus Plan:

NameTitleBase SalaryMax Bonus EligibilityBonus BaseBonus Payout %Bonus Payouts
Stephen C. TaylorPresident & CEO$560,000
100%$560,000
70.0%$392,000
G. Larry LawrenceVP and Chief Financial Officer$192,600
50%$96,300
70.0%$67,410
James R. HazlettVP- Technical Services$206,000
50%$103,000
70.0%$72,100
CriteriaActual 2018 PerformanceTarget Metric
Eligible Bonus Payment
Percentage

Bonus ComponentPayable Bonus
Revenue$65,478,316
$69,100,000
%30%%
Net Inc before Taxes$751,111
$2,155,600
%30%%
Adjusted EBITDA(1)
$22,869,049
$24,010,600
%30%%
Personal Performance  100%10%10%
Total    10%

(1)Adjusted EBITDA is defined as the Company's earnings before interest, income taxes, depreciation and amortization and, loss on retirement of rental equipment and is an indicator of operating performance.


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As noted in
In 2018 our executives did not receive any of their financial metric payout because the tables above, actual financialCompany did not attain the aggressive annual performance for 2016 metmeasures set by the “target” performance level for two of the metrics but failed to meet the "threshold" performance level amount for the Revenue criterion, thereby entitling each of the named executive officers to 100% bonus payout for two of the three financial metrics.
Board. With respect to the personal performance criteria, the Committee awarded Messrs. Taylor, Lawrence and Hazlett the maximum amount payable under this component, or 10% of the maximum bonus amount that could have been earned in 2016. In


addition to the Committee's non-quantitative evaluation of each executive's performance, with respect to all of the named executives, the Committee made this award in recognition of the Company's 2016 financial and operational performance.

2018.

With respect to Mr. Taylor’s personal performance criteria, the Committee based its full award on his successleadership in positioningguiding the Company through the recent market downturn related to remain debt-freethe collapse in oil and buildnatural gas prices by maintaining a strong balance sheet through reductions in operating and capital expenses. Mr. Taylor’s leadership positioned the Company with a balance sheet that enabled it to significantly increase capital spending to meet the opportunity to become a major player in the high horsepower compression market. Mr. Taylor developed significant contractual commitments from customers for the Company’s high horsepower equipment allowing it to grow its cash balances duringmarket share in a periodkey new market. His continuing efforts have resulted in fourteen consecutive years of unprecedented market deterioration, continuing to post positive earnings, in an environment where the vast majority of the Company’s peers posted significant lossescash flow and his ability to further reduce capital expenditures in a most challenging operating environment. Capital expenditures declined by over 65% in 2016,return on top of a reduction of over 75% in 2015.capital.

With respect to Mr. Lawrence’s personal performance criteria, the Committee based its full award on his success in implementing a major upgrade tooverseeing the construction of the Company’s ERP systemnew headquarters and maintaining generaldelivering it on-time and administrative expenses at an efficient level.on-budget; identification and implementation of advanced information technologies that improved our communications and computing environments; assuming responsibility for the supply chain function; and assisting in the transition of health care partners that should provide enhanced care and savings in the future.

With respect to Mr. Hazlett’s personal performance criteria, the Committee based its full award on his efficiently managingcontinued improvement of our high horsepower products including advances in the lowfabrication, operational and maintenance processes of this equipment; the development of a new high-pressure gas compressor package for utilization in the single-point gas lift market; his leadership in transitioning our fabrication facilities from a moderate level of activity in our compressorutilization for medium horsepower products to full utilization for fabrication facilitiesof high horsepower products; and finalizingimplementation of an outsourced supplier to supplement the engineering and design of NGS’s entry into highercontinuing need for high horsepower gas compression equipment.

The following table summarizes the bonuses awarded under the IBP for 2018 personal performance:
               
NameTitleBase SalaryMax Bonus EligibilityBonus BaseBonus Payout %Bonus Payouts
Stephen C. TaylorPresident & CEO$590,770
 100% $590,770
 10% $59,077
 
G. Larry LawrenceVP and CFO$204,100
 50% $102,050
 10% $10,205
 
James R. HazlettVP- Technical Services$218,300
 50% $109,150
 10% $10,915
 

Also see "Other Compensation" on page 31 for additional information regarding cash bonus payments.

Long-Term Incentives - Restricted Stock/Unit Awards

We considerThe Compensation Committee continually reviews equity compensation trends of public companies and solicits feedback from its stakeholders and proxy advisors to determine the most appropriate executive compensation program for the Company’s executives, as well as its stakeholders. When reviewing the Company’s long-term incentive plan, the Compensation Committee considered a variety of factors when determining the appropriateness of the plan, which include:

Address proxy advisory firms’ concerns related to the performance measurement period;
Address the proxy advisor firms’ criticism of a perceived lack of rigor related to the TSR target goal;
Address the issue of balance between time-based and performance-based long-term compensation;
Acknowledge the Company’s belief that balancing short-term performance - demonstrating the agility of the leadership team - with long-term performance - demonstrating the ability of the leadership team to create durable value - is important in compensation awards, especially in cyclical industries;
Acknowledge the importance of the Compensation Committee’s judgment and board discretion in designing compensation programs that retain and motivate critical leadership that have provided positive returns to shareholders across cycles; and
Address concerns over the salary multiplier from the previous long-term incentive plan.


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Based upon this review, the Compensation Committee determined it was appropriate to adjust the long-term incentive award for 2018 to provide a balance between a quantitative, performance-based award and a qualitative, discretionary award based on performance measures evaluated annually by the Compensation Committee and Board of Directors, a practice consistent with the Company’s peers and, more generally, other oilfield services companies.

The performance-based award was based off the Company’s relative prior three-year total shareholder return (“TSR”) compared to the company-defined peer group. The Compensation Committee established the following award parameters based on the company’s relative TSR performance.

The award is determined by the Company’s ranking on the peer-based table below:

Total Shareholder Return: Long-Term Incentive Award Table
Relative TSR Performance RankPayout vs. TargetAward Payout
1200%Maximum
2190% 
3172% 
4154% 
5136% 
6118% 
7100%Target
875% 
950% 
1025%Threshold
11-% 
12-% 
13-% 
14-% 

The qualitative, discretionary award was set to a maximum of 200% of the base pay of the named executive officer and will vest in equal parts over a three-year period. Performance measures taken into account include those provided in the 2018 Financial and Operational Highlights section of this Proxy as well as other personal achievements of the respective executive officers.

The Compensation Committee considers restricted stock and restricted stock units to be a type of long-term incentive compensation that motivates our executive officers to work toward our long-term growth and allows them to participate in the growth and profitability of Natural Gas Services Group.the Company. We believe that restricted stock aligns the interests of our executive officers with our shareholders in that our executive officers will benefit from the options only to the extent that the value of our common stock increases. With the exception of Mr. Taylor, our Chief Executive Officer, the number of shares of restricted stock granted to an executive officer is based on a subjectivediscretionary determination of an officer’s individual performance and his current contributions and potential for future contributions to the overall performance of Natural Gas Services Group.the Company.

With respect to Mr. Taylor, in 2016 the Compensation Committee began the process of restructuring the equity incentive program. Under the Employment Agreement with Mr. Taylor, the Company is obligated to annually grant a restricted stock award or equivalent equity award with an aggregate minimum value equal to at least 175% of the Executive's Base Salary, along with other standard terms established by the Compensation Committee taking into account the performance of the Company, Mr. Taylor and industry norms. See “Compensation Agreements with Management” beginning on page 44 of this Proxy Statement for information concerning Mr. Taylor’s employment agreement.

As a result of reviewing executive compensation trends and discussions with the Company's stakeholders, independent compensation advisors and Mr. Taylor, the Compensation Committee adopted a new performance-based equity compensation program with a component based on the Total Shareholder Return (TSR) of the Company relative to the TSR of each member of the Company’s peer group over a one-year period. In addition, the Compensation Committee continues to exercise a degree of discretion in administering this equity compensation program given the inherent volatility in the oil and natural gas business environment as well as a number of other relevant quantitative and qualitative factors and performance measures and for both absolute and relative extraordinary achievement in line with the objective of attracting and retaining best in class leadership.

As a result, the Compensation Committee used a quantitative-based incentive equity compensation at 175% of the CEO’s base salary. Based on the Company’s relative one-year TSR, the Compensation Committee set multiples of the base 175% level as follows:

TSR Performance Percentile
< 25th
25 th
50th
75th
Number of Peers Outperformed0-2369
Multiplier0.751.52.0
In early 2017,2019, the Compensation Committee reviewed the Company's 2016Company’s 2018 TSR performance against its peers and determined that the Company's TSRCompany’s prior three-year performance exceededwas third out of the 75th percentile and outperformed 12 peers, thereby entitlingCompany identified 14-member peer group (including Natural Gas Services Group). Such performance, as noted in the accompanying table, entitled Mr. Taylor to an equitya TSR performance-based award valued at two times 175%of 172% of his current base salary of $576,800. $612,000.

In connection therewith,addition, the Compensation Committee, after a review of all relevant Company and personal performance factors, including his direct efforts in developing the large horsepower compressor segment of the Company in order for the Company to achieve stable and sustained growth, agreed to provide Mr. Taylor an additional discretionary award equal to 200% of his current base salary.





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As a result of these grants and as shownnoted in the table below, on February 14, 2017,March 29, 2019, Mr. Taylor was conditionally awarded 70,464a total of 131,674 shares of restricted common stock and restricted stock units (RSU) under our 2009 Restricted Stock/Unit2019 Equity Incentive Plan as amended, based onusing the closing price of $28.65$17.29 per share as of February 14, 2017. The portion aboveMarch 28, 2019. In addition, our other two executive officers were conditionally awarded discretionary grants of restricted common stock as noted in the base amounttable below. Actual issuance of the current year award is based entirely onawards set forth below are conditioned upon the TSR metrics without board discretion.



In addition, in keeping with current governance practice the vesting requirements have been increased to a three-year schedule whereby the award will vest in one-third tranches beginning on the first anniversaryapproval and adoption by our shareholders of the grant date.

The Compensation Committee intends to continue to review equity compensation trends of public companies, along with soliciting feedback from its stakeholders and proxy advisors, to determine if further modification of our CEO and other named executive officers' equity compensation program is necessary.

During2019 Equity Incentive Plan at the first quarter of 2017, the Company granted the following restricted stock awards in connection with our 2016 financial and operational results and personal accomplishments of our named executive officers:annual meeting (see Proposal #3).

Name
Dollar Value
of the Award
Number of Restricted Shares
Dollar Value
of the Award
Number of Restricted Shares
or RSUs
Stephen C. Taylor, CEO and President$2,018,794
70,464
$2,276,643 131,674 
G. Larry Lawrence, Chief Financial Officer$501,000
20,000
$345,800 20,000 
James R. Hazlett, Vice President - Technical Services$501,000
20,000
$345,800 20,000 

All of the restricted stock awards reported in the table above are subject to a three yearthree-year vesting period, although such vesting is subject to acceleration and will immediately vest in the case of (i) death, disability or retirementdisability of the recipient employee or (ii) certain circumstances in connection with a change of control in the Company, as set forth in the Plan.

In making the equity awards noted above, the Compensation Committee also considered each executive's personal performance and of the Company's 2016 financial and operation performance as set forth under "Fiscal Year 2016 Performance" on page 20 of this Proxy Statement.

Company. Further information concerning these awards is set forth in column (i) of the "Summary"Summary Compensation Table" on page 35 and column (i) of the "Grants"Grants of Plan-Based Awards for Fiscal 2016"2018" on page 37.36.

The Compensation Committee continuously evaluates the Company’s executive compensation plan to ensure that the each of the components of that plan is designed, when considered both individually and holistically, with the goal of attracting and retaining executive leadership capable of delivering industry leading results for shareholders. This review, with the assistance of Board-retained executive compensation experts, includes reviewing peer-group compensation programs, broader industry compensation trends, innovations in executive compensation design as well as seeking input from our shareholders and other stakeholders.

The Compensation Committee notes that there has been significant evolution in executive compensation plan design in the past several years including changes in standard performance measures and measurement periods. The Company’s Compensation Committee will continue to consider changes to industry executive compensation practices as it contemplates future changes to the Company’s executive compensation program.

Other Compensation

We maintain a 401(k) retirement plan in which all of our executives and employees are eligibleIn addition to participate.  We match executive and employee contributionsthe cash payments described above, we made additional bonus cash payments to our 401(k) plan, on an equal percentage basis, with cash contributions.  The Company matching portion is equal to one-half of the employee’s annual contribution up to a maximum of 3% of the employee’s salary. Our matching amounts for our executive officers are includedas follows: Taylor $88,616; Hazlett $40,820; Lawrence $43,660.

We made these additional cash payments in columnrecognition of our executive management’s (i) ability to continue growth in the high horsepower market that was identified in 2017; (ii) flexibility in managing the Company’s reduction of capital expenditures following a severe downturn and subsequently managing new capital investments to address high horsepower market demands; (iii) maintaining one of the “Summary Compensation Table” on page 35.
We also maintain an unfunded, nonqualified deferred compensation plan (the “Deferred Compensation Plan”). Our executive officers and directors are eligible to participate at their election. The Deferred Compensation Plan providesstrongest balance sheets among its peers, including the ability to defer receipt of income, including shares,sustain significant cash balances; (iv) managing a diverse and competitive fabrication and operational workforce to a later date, which may be an attractive tax planning opportunity. We generally do not contribute toensure success in the Deferred Compensation Plan on behalfCompany’s entry into the high horsepower market; and (v) overseeing the construction of the participants; therefore, our costCompany’s new headquarters to maintain the Deferred Compensation Plan is limited to administration expenses, which are minimal.ensure an on-time, on-budget completion.

Total Direct Compensation

Among its peer group companies, the total shareholder return from NGS was in the 79th62nd percentile in 2016, 100th2018, 82nd percentile (top of peer group) over the past three years and the 92nd100th percentile (top of peer group) over the past five years. Our Chief Executive Officer’s base compensation was in the 55th65th to 60th70th percentile among his peers in 20162018 and his total compensation was in the 65th60th to 70th65th percentile. With base salary being in the median range, the Committee thinks it appropriate that his short-term and long-term incentives be designed and awarded to reflect the value delivered to the Company’s shareholders. Significantly, the total compensation paid to our Chief Executive Officer over the one-year or the three-year or the five-year periods ranked lower in compensation paid than the performance achieved on a percentile basis. This demonstrates the Committee’s stewardship when aligning executive pay with shareholder benefit.



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Employment Agreements

We employed Mr. Taylor in January 2005. On October 23, 2013, we entered into a new written employment agreement with Stephen C. Taylor, our President and Chief Executive Officer. We do not have written employment agreements with any of our other executive officers. On April 24, 2015, we entered into an amendment with Mr. Taylor to his Employment Agreement


pursuant to which the "modified single trigger" change of control provision was changed to a "double trigger" change of control. Under the "modified single trigger provision", Mr. Taylor could voluntarily terminate the Employment Agreement for any reason immediately upon a change in control and collect severance benefits. Under the new "double trigger" change of control provision, a change of control must occur followed by the Company or its successor terminating Mr. Taylor's employment other than for cause, death, or disability, or by Mr. Taylor terminating his employment for Good Reason. See “Compensation Agreements with Management” beginning on page 4445 of this Proxy Statement for detailed information concerning Mr. Taylor’s employment agreement, as amended.

Allocation of Amounts and Types of Compensation

Other than the restricted stock awards we grant to our executives from time to time and the determinations made by the Committee as to specific target award opportunities under our IBP, the allocation of different amounts and types of compensation has not been a consideration for us. The Committee has not adopted a specific policy or target for the allocation between amounts or types of compensation.  We believe that the use of stock awards in our compensation package will align the interests of our management and employees with our shareholders.  Notwithstanding moderately increasing the use of stock-based compensation, we intend to maintain and continue our practice of having a simplified, but effective and competitive, compensation package.

Change of Control and Severance Arrangements

Our 1998 Stock Option Plan, as amended, and our 2009 Restricted Stock/Unit Plan contains change of control provisions.  In addition, Mr. Taylor’s employment agreement contains change of control and severance provisions.  Information regarding these provisions is provided under the caption “Potential Payments Upon Termination or Change of Control” on page 41.

Perquisites

We provide limited perquisites to our executives. The primary perquisites include allowingallow our executives a choice of receiving an automobile allowance or personal use of a company-provided automobile and matching contributions made by Natural Gas Services Group under our 401(k) plan.automobile.  Although we provide Mr. Taylor with one clubMidland Petroleum Club membership, since his use of the club is limited solely for business entertainment, we have not considered it to be a perquisite and have not valued it as such for inclusion in column (i) of the Summary "Summary Compensation TableTable" on page 35.

Our executives also participate in the same medical, dental and life insurance plans as other employees.  However, we pay a greater percentage of the premiums for health insurance for our executives than we do for our other employees.
    
Limit onTax Deductibility of CertainExecutive Compensation

ProvisionsSection 162(m) of the Internal Revenue Code that restrict the deductibility of certain compensation over $1 million dollars per year have not beendenies a factor in our considerations or recommendations. Section 162(m) of the Code currently imposes a $1 million limitation on the deductibility of certaindeduction to any publicly held corporation for compensation paid to specified executives. Excluded fromeach of our named executive officers in a taxable year to the limitation isextent that compensation exceeds $1,000,000 for a covered employee.

Effective for taxable years beginning prior to January 1, 2018, an exception to this deduction limit applied to "performance-based compensation", such as equity awards that is “performance based.” Forsatisfies certain criteria. Under the federal tax reform legislation signed into law on December 22, 2017, the performance-based pay exception to Section 162(m) was eliminated, but a transition rule may allow the exception to continue to apply to certain performance-based compensation payable under written binding contracts that were in effect on November 2, 2017.

The Compensation Committee intends to be performance based, it must meet certain criteria, including being based on predetermined objective standards approved by shareholders. The Committee has not takenconsider the requirementspotential impact of Section 162(m) into account162(m) on compensation decisions, but the Committee may continue to structure our executive compensation program to accomplish business objectives that it believes are in designing executiveour best interests and those of our stockholders, even though doing so may reduce the amount of our tax deduction for such compensation.

Say-on-Pay

At our 20162018 Annual Meeting of Shareholders held in June 2016,2018, we submitted a proposal to our shareholders regarding our executive compensation practices. The proposal was an advisory vote on the 20152017 compensation awarded to our named executive officers (commonly known as a “say-on-pay” vote). Our shareholders approved our 20152017 compensation with 65%approximately 96% of the votes cast on the proposal voting in favor of our 20152017 executive compensation practices.

As noted at the beginningThe improvement of this section, while the results were a significant improvement from the results last year, the 2015 results were still disappointing since we believe the vote was the result of the influence“say-on-pay” vote demonstrates NGS’ commitment to aligning our executive compensation practices with the best interests of recommendationsour stakeholders, including the adoption of certain proxy advisory firms, both of which advise institutional investors on voting on annual proxy matters. We believe the reports of certain proxy advisory firms contained factual errors and erroneous assumptions that resulted in misguided conclusions and recommendations. In June 2016 we sent a letter to these proxy advisory firms which detailedrecommendations resulting from our concerns and issues with these reports. We also sent our shareholders a copy of these letters and filed our correspondence with the Securities and Exchange Commission on June 8, 2016. You can access this filing free of charge on the Investor Relations section of our websiteshareholder engagement initiatives.  


(www.ngsgi.com). A paper copy is also available, without charge upon written request, at Natural Gas Services Group, Inc., 508 West Wall Street, Suite 550, Midland, Texas 79701. 32





Notwithstanding, we have taken numerous remedial measures over the past twothree years, including:

adopting a clawback policy the covers all executive officers;
adopting executive and director stock ownership guidelines;
extending the vesting terms on restricted stock awards made to our executive officers to three years;
calculating a portion of our CEO’s long-term equity award to meeting set objective total shareholder returns compared to our Custom Peer Group;
adopting a majority votes cast requirement with respect to the election of directors; and
amending our Corporate Governance Guidelines to include a lead independent director. Charles Curtis, our longest tenured independent director, has been appointed as our lead director.

Corporate Governance Policies

To ensure our compensation programs are aligned with the long-term interest of our shareholders, we have adopted several governance policies that we expect our executive officers to comply with, including meaningful stock ownership guidelines, a pledging and hedging policy and a recapture or “clawback” policy that provides for the recoupment of any performance-based payouts made based on financial results that are not in compliance with any financial reporting requirement that requires restatement of the Company’s financial statements.

Compensation Clawback Policy

The Company has adopted a compensation recoupment, or “clawback” policy intended to be consistent with the requirements of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”). This policy provides that, in the event we are required to restate our financial statements as a result of “material noncompliance” with financial reporting requirements under the securities laws, we will recover from our current and former executive officers any incentive-based compensation (including equity awards) that is (i) based on material erroneous data, (ii) received during the three-year period preceding the date on which the Company becomes required to prepare an accounting restatement, and (iii) in excess of what would have been paid if calculated under the restatement. In addition, the Dodd-Frank Act requires the SEC to issue regulations requiring issuers to seek recovery from executive officers in certain circumstances involving financial restatements. The SEC has issued proposed regulations implementing this portion of the Dodd-Frank Act. Once the SEC finalizes its regulations regarding the required form of a clawback policy under the Dodd-Frank Act, we expect to amend our clawback policy accordingly.



Pledging and Hedging Policy

The Company considers it improper and inappropriate for any director, executive officer or associate to engage in short-term or speculative transactions involving our Common Stock. We therefore prohibit directors, executive officers and other associates from engaging in pledging, short sales or other short position transactions in our Common Stock. We also strongly discourage directors, executive officers and other associates from engaging in certain forms of hedging or monetization transactions.

Director and Executive Officer Stock Ownership Guidelines

The Company has stock ownership requirements for its directors and executive officers. The purpose of the ownership requirements is to further our goal of increasing stockholder value and to further align the interests of our directors and key executives with the interests of our shareholders. Satisfaction of the policy requires that individuals attain and retain holdings of our common stock with a market value equal to the following multiple of the individual’s compensation, defined as either a director’s cash retainer fee or an officer’s base salary. Shares that count toward the minimum share ownership include: shares owned outright or beneficially owned; vested restricted stock; vested restricted stock units in our Deferred Compensation Plan; and shares issued from the exercise of vested options.







33





The table below indicates the stock ownership guidelines for our executive officers and Board members:


Stock Ownership Guideline

Executive Officer/Director (as a multiple of base salary/annual cash retainer)
CEO3 times Base Salary
All other executive officers2 times Base Salary
Non-employee Directors1 times Base Annual Cash Retainer

Each person’s stock ownership requirement will be adjusted annually each January 1 to reflect any changes in his or her retainer or base salary. Generally, individuals have a five-year period to attain their stock ownership requirements. At any time at which the individual’s stock ownership requirement has not been met, including during the initial five-year period to attain compliance, the individual will be required to retain at least 50% of “Net Shares” received upon vesting of restricted stock, restricted stock units and performance units. “Net Shares” are defined to include shares of common stock that are owned by the individual after shares are sold, swapped or traded to pay applicable withholding taxes. Subsequent to achieving the initial stock ownership requirement, all directors and executives are required to continuously maintain stock ownership at their specified levels.

If an individual does not meet the applicable ownership requirements, then he or she is subject to certain restrictions upon the vesting of equity awards, and may only dispose of shares for particular reasons set forth in the policy. The policy provides a hardship exemption, for which an individual must submit a request to the corporate governance committee. Presently, all of our directors and our executive officers have attained or exceeded their ownership requirements.

Compensation Committee Report

The Committee has reviewed and discussed the Compensation Discussion and Analysis with management. Based on its review and discussions, the Committee recommended to the Board of Directors that the Compensation Discussion and Analysis be included in our proxy statement for the 2017 Annual Meeting of Shareholders.

Members of the Compensation Committee
William F. Hughes, Jr. (Chairman)
John W. Chisholm
David L. Bradshaw


































34





The table below sets forth the compensation earned by, and paid to our CEO, Stephen C. Taylor, and our other named executive officers for services rendered to us for the fiscal years ended December 31, 2016, 20152018, 2017 and 2014.

2016.

Summary Compensation Table 

Name
and
Principal Position
Year
Salary(1)
Bonus (2)
Stock
Awards(3)
Option Awards(4)
Non-Equity Incentive
Plan Compensation(5)
Change in Pension Value and Nonqualified Deferred Compensation Earnings(6)
All Other
Compensation(7)
Total
(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)
Stephen C. Taylor, Chairman, President & CEO2016$559,349
$8,285
$2,018,794
$
$392,000
$
$15,033
$2,993,461
2015561,036
6,646
1,679,999

665,252

14,264
2,927,197
2014540,949
7,267
1,629,169

391,511

14,444
2,583,340
G. Larry Lawrence, Chief Financial Officer2016192,600
2,849
501,000

67,410

16,284
780,143
2015193,754
2,289
407,800
 114,538

16,722
735,103
2014180,708
2,445
375,000
16,910(8)

59,288

12,645
646,996
James R. Hazlett, Vice President, Technical Services2016206,000
3,048
501,000

72,100

34,737
816,885
2015207,539
2,448
407,800

122,500

31,619
771,906
2014200,228
3,574
375,000
33,809(9)

66,263

29,259
708,133
Name
and
Principal Position
Year
Salary(1)
Bonus (2)
Stock
Awards(3)
Option Awards(4)
Non-Equity Incentive Plan Compensation(5)
Change in Pension Value and Nonqualified Deferred Compensation Earnings(6)
All Other Compensation(7)
Total
(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)
Stephen C. Taylor, Chairman, President & CEO2018$590,733
$
$2,276,643
$
$147,693
$
$17,181
$3,032,250
2017574,215
4,090
2,079,385

144,200

15,246
2,817,136
2016559,349
82,585
2,018,794

392,000

15,053
2,993,481
G. Larry Lawrence, Chief Financial Officer2018204,101

345,800

51,205

16,629
617,735
2017198,158
1,407
491,000

49,595

16,450
756,610
2016192,600
2,849
501,000

67,410

16,284
780,143
James R. Hazlett, Vice President, Technical Services2018218,300

345,800

54,575

31,542
650,217
2017211,942
1,505
491,000

53,045

36,880
794,372
2016206,000
3,048
501,000

72,100

34,737
816,885

(1)The amounts in column (c) includes amounts deferred under our Deferred Compensation Plan and 401(k) Plan.
(2)The amounts reflected in column (d) reflect payments under the company's profit sharing program administered to all employees.
(3)The amounts in column (e) reflect the grant date fair value of stock granted under our 2009 Restricted Stock/Unitcontingent upon the approval and adoption of the Company's Shareholders on the proposal of the Natural Gas Services Group, Inc. 2019 Equity Incentive Plan.
(4)The amounts in column (f) reflect the dollar amounts recognized for financial statement reporting purposes for the fiscal years ended December 31, 2016, 20152018, 2017 and 2014,2016, in accordance with FASB ASC Topic 718, associated with stock option grants under our Stock Option Plan.  Assumptions used to calculate these amounts are included in footnote 10 of our audited consolidated financial statements for the fiscal yearyears ended December 31, 2016; footnote 9 of our audited financial statement for fiscal year ended December 31, 2015;2018, 2017 and footnote 8 of our audited financial statement for fiscal year ended December 31, 2014.2016.
(5)The amounts in column (g) reflect the cash bonus awards to the named executive officers under our Annual Incentive Bonus Plan, whichincluding amounts deferred under our Deferred Compensation Plan. This is discussed in further detail on page 2827 under the caption “Short-Term Incentives - Annual Incentive Bonus Plan.”
(6)The Deferred Compensation Plan (h) does not pay above-market or preferential earnings.


35




(7)The amounts shown in column (i) include matching contributions made by Natural Gas Services Group to each named executive officer under our 401(k) plan and the aggregate incremental cost to Natural Gas Services Group of perquisites provided to our named executive officers as follows:



 
 
 
Name
 
 
 
Year
 
Automobile
Allowance
Personal Use of Company Provided Automobiles
Additional
Incremental Portion
of Health Insurance
Premiums Paid for Officers Only
 
401(k)
Plan
 
 
Total
Stephen C. Taylor2016$
$1,800
$7,686
$5,567
$15,053
 2015
1,800
6,912
5,552
14,264
 2014
1,800
7,285
5,359
14,444
G. Larry Lawrence201610,200


6,084
16,284
 201510,592


6,130
16,722
 201410,200


2,445
12,645
James R. Hazlett201610,200

19,362
5,175
34,737
 201510,592

17,400
3,627
31,619
 201410,200

16,463
2,596
29,259
Total201620,400
1,800
27,048
16,826
66,074
 201521,184
1,800
24,312
15,309
62,605
 201420,400
1,800
23,748
10,400
56,348

(8)This amount reflects the dollar amount recognized for financial statement reporting purposes for the fiscal year ended December 31, 2014, in accordance with FASB ASC Topic 718, for 1,667 shares of common stock that vested on January 24, 2014 under the stock option granted to Mr. Lawrence on January 24, 2011.
(9)This amount reflects the dollar amount recognized for financial statement reporting purposes for the fiscal year ended December 31, 2014, in accordance with FASB ASC Topic 718, for 3,333 shares of common stock that vested on January 24, 2014 under the stock option granted to Mr. Hazlett on January 24, 2011.





 
 
 
Name
 
 
 
Year
 
Automobile
Allowance
Personal Use of Company Provided Automobiles
Additional
Incremental Portion
of Health Insurance
Premiums Paid for Officers Only
 
401(k)
Plan
 
 
Total
Stephen C. Taylor2018$
$1,800
$9,720
$5,661
$17,181
 2017
1,800
7,944
5,502
15,246
 2016
1,800
7,686
5,567
15,053
G. Larry Lawrence201810,200


6,429
16,629
 201710,200


6,250
16,450
 201610,200


6,084
16,284
James R. Hazlett201810,200

14,487
6,855
31,542
 201710,200

20,016
6,664
36,880
 201610,200

19,362
5,175
34,737
Total201820,400
1,800
24,207
18,945
65,352
 201720,400
1,800
27,960
18,416
68,576
 201620,400
1,800
27,048
16,826
66,074

Grants of Plan Based Awards

The table below sets forth the estimated future payouts under non-equity incentive plan awards and restricted stock awards granted and the grant date fair value of such awards.

Grants of Plan-Based Awards for Fiscal 20162018

 
Estimated Future
Payouts Under Non-Equity
Incentive Plan Awards(1)
Estimated Future Payouts Under Equity Incentive
Plan Awards
   
Estimated Future
Payouts Under Non-Equity
Incentive Plan Awards(1)
Estimated Future Payouts Under Equity Incentive
Plan Awards
  
NameGrant DateThreshold ($)Target ($)
Maximum
($)
Threshold (#)TargetMaxi-mum ($)
All Other Stock
Awards: Number of Shares of Stock or Units (#)(2)
All Other Option
Awards: Number of Securities Underlying Option (#)
Exercise or Base
Price of Option Awards ($/Sh)
Grant Date Fair
Value of Stock and Option Awards ($)
Grant DateThreshold ($)Target ($)
Maximum
($)
Threshold (#)TargetMaxi-mum ($)
All Other Stock
Awards: Number of Shares of Stock or Units (#)(2)
All Other Option
Awards: Number of Securities Underlying Option (#)
Exercise or Base
Price of Option Awards ($/Sh)
Grant Date Fair
Value of Stock and Option Awards ($)
(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)
Stephen C. Taylor2/14/2017





70,464

$28.65
$2,018,794
3/29/2019





131,674

$17.29
$2,276,643
G. Larry Lawrence3/23/2017





20,000

25.05
501,000
3/29/2019





20,000

17.29
345,800
James R. Hazlett3/23/2017





20,000

25.05
501,000
3/29/2019





20,000

17.29
345,800
(1)
No awards were made under the non-equity Annual Incentive Bonus Plan for 20162018 except as describedfor the personal performance portion of the performance goals under our Annual Incentive Bonus Plan. More information regarding the IBPPlan and the calculation of awards is provided below and under the caption “Short-Term“Short-Term Incentives - Annual Incentive Bonus Plan”Plan on page 28.27.
(2)
The information shown in this column reflects the awards of restricted stock or units earned in 2016 (but2018, to be issued in early 2017) our named executive officers pursuant to our 2009 Restricted Stock/Unit Plan, as amended2019, contingent of the Company's Shareholders approval and restated.adoption of the Natural Gas Services Group, Inc. 2019 Equity Incentive Plan.



36





Annual Incentive Bonus Plan

Our Annual Incentive Bonus Plan provides for annual non-equity incentive based compensation in the form of cash bonuses to our executive officers.  Our Compensation Committee administers and determines from year to year the executives that are eligible to participate in the IBP.Plan.  The Committee establishes target award opportunities for the executives eligible to participate in the plan.  These target award opportunities are expressed as a percentage of an executive’s base salary.  An executive’s target award opportunity is the maximum cash bonus an executive is eligible to receive in any one year under the IBP.Plan.

The Committee establishes annual target levels for Natural Gas Services Group’s total revenues, Adjusted EBITDA and adjusted net income before taxes and assigns a weight of 30% to each of these components.  The executive’s individual performance is assigned a weight of 10%.  If during the year, Natural Gas Services Group achieves all of the target levels established by the Committee for total revenues, Adjusted EBITDA and net income before taxes, and it is determined by the Committee that an executive is entitled to the full 10% weight assigned to individual performance, the executive is entitled to receive the maximum cash bonus amount for the executive for that year.  If any one of the target levels is not met or it is determined that an executive is not entitled to the full 10% weight assigned to individual performance, the cash bonus award for the executive is reduced accordingly.  More information regarding the IBPPlan and the calculation of awards is provided under the caption “Short-Term“Short-Term Incentives - Annual Incentive Bonus Plan” on page 29.27.

1998 Stock Option Plan

Our 1998 Stock Option Plan, as amended and restated, provides for the issuance of stock options to purchase up to 1,000,000 shares of our common stock.  The purpose of this plan is to attract and retain the best available personnel for positions of substantial responsibility and to provide long-term incentives to employees and consultants and to promote the long-term growth and success of our business.  The plan is administered by the Compensation Committee of the Board of Directors.  At its discretion, the Compensation Committee determines the persons to whom stock options may be granted and the terms upon which options will be granted.  In addition, the Compensation Committee may interpret the plan and may adopt, amend and rescind rules and regulations for its administration.  Option awards are generally granted with an exercise price equal to the closing price of our


common stock at the date of grant and generally vest based on three years of continuous service and have ten-year contractual terms.

As of December 31, 2016,2018, stock options to purchase a total of 350,186283,686 shares of our common stock were outstanding under the 1998 Stock Option Plan, as amended and restated, and a total of 345,919318,503 shares of common stock were available at December 31, 20162018 for future grants of stock options under the plan. Since the beginning of 2017,2019, we have issued 32,750no shares of common stock, which hasbut had 2,000 shares returned to the pool due to forfeitures. This left 313,169320,503 shares available under the 1998 Stock Option Plan as of the date of this proxy statement.

2009 Restricted Stock/Unit Plan

The purpose of our 2009 Restricted Stock/Unit Plan (the “2009 Plan”) is to retain our employees and directors having experience and ability, to attract new employees and directors whose services are considered valuable, to encourage the sense of proprietorship, and to stimulate the active interest of such persons in our development and financial success. We believe that grants of restricted stock and restricted stock units are an increasingly important means to retain and compensate employees and directors. The 2009 Plan is set to expire June 16, 2019. All unvested outstanding awards will continue pursuant to the specific terms of such awards.

General Description

Shares Reserved for Issuance under the 2009 Plan.  A total of 800,000 shares of our common stock are reserved for issuance under the 2009 Plan. The number of shares of our common stock available under the 2009 Plan will be subject to adjustment in the event of a stock split, stock or other extraordinary dividend, or other similar change in our common stock or capital structure.

Administration.  The Plan is administered by the plan administrator, defined as one or more committees the Company designates consisting of independent directors.  The draft of the Plan appoints our Compensation Committee as the administrator (the “Committee”).
 
Generally, the Committee has the authority, in its discretion, (a) to select officers, directors and employees to whom awards may be granted from time to time, (b) to determine whether and to what extent, awards are granted, (c) to determine the


37




number of shares of our common stock, or the amount of other consideration to be covered by each award, (d) to approve award agreements for use under the Plan, (e) to determine the terms and conditions of any award (including the vesting schedule applicable to the award), (f) to amend the terms of any outstanding award granted under the Plan, (g) to construe and interpret the terms of the Plan and awards granted, and (h) to take such other action not inconsistent with the terms of the Plan, as the Committee deems appropriate.

Types of Awards; Eligibility.  Awards of restricted stock and restricted stock units (RSUs) may be granted under the Plan. Awards of restricted stock are shares of our common stock that are awarded subject to such restrictions on transfer as the Committee may establish. Awards of RSUs are units valued by reference to shares of common stock that entitle a participant to receive, upon the settlement of the unit, one share of our common stock for each unit. Awards may be granted to our officers, directors and employees and our related entities, if any. Each award granted under the Plan shall be designated in an award agreement.

Terms and Vesting of Awards.  As noted above, the Committee determines the terms and conditions of each award granted to a participant, including the restrictions applicable to shares underlying awards of restricted stock and the dates these restrictions lapse and the award vests, as well as the vesting and settlement terms applicable to RSUs. When an award vests, we deliver to the participant a certificate for the number of shares without any legend or restrictions (except as necessary to comply with applicable state and federal securities laws).
 
In addition to time-based vesting requirements, the Committee is also authorized to establish quantitative and qualitative performance goals in order for awards to vest.  For instance, quantitative performance standards, including, but not limited to, financial measurements such as (a) increase in share price, (b) earnings per share, (c) total shareholder return, (d) operating margin, (e) gross margin, (f) return on equity, (g) return on assets, (h) net operating income, (i) pre-tax profit, (j) cash flow, (k) revenue, (l) expenses, and (m) EBITDA, or other performance goal requirements may be adopted by the Committee and set forth in the particular restricted stock or RSU agreement which must be met in order for shares to vest.

Termination of Service.  Unless otherwise set forth in an individual award agreement, the Plan and forms of award agreements generally provide that in the event a participant’s continuous service with us terminates as a result of death disability or retirementdisability (an “Acceleration Event”), unvested shares or RSUs at the time of termination due to an Acceleration Event will immediately become vested, but only to the extent that such unvested shares or RSUs would have vested within the 12 months following the Acceleration Event.vested.  However, the Committee may revise this default provision on an individual basis, as it deems advisable. For example, the Committee could elect to accelerate vesting for all unvested shares and/or RSUs upon the occurrence of an Acceleration


Event, or conversely provide that all unvested shares and/or RSUs are forfeited upon the occurrence of an Acceleration Event.  In the case of a termination of service other than by an Acceleration Event, any unvested restricted shares ofor RSUs will immediately become null and void, except that with respect to Restricted Stock awards, the Board of Directors may vest any or all unvested shares in its discretion in the case of any termination of service.

In addition, subject to revision by the Committee, the default provisions of the Plan and form of award agreements provide that a Change of Control triggers accelerated vesting of all shares or units.  Under the 2009 Plan, a Change in Control Event is generally defined as:
 
a complete liquidation or dissolution;
acquisition of 50% or more of our stock by any individual or entity including by tender offer or a reverse merger;
a merger or consolidation in which we are not the surviving entity; or
during any period not longer than 12 consecutive months, members of the Board who at the beginning of such period cease to constitute at least a majority of the Board, unless the election, or the nomination for election of each new Board member, was approved by a vote of at least 3/4 of the Board members then still in office who were Board members at the beginning of such period.

Restricted Stock.  Under an award of restricted stock, we issue shares of our common stock in the participant’s name; however, the participant’s rights in the stock are restricted until the shares vest.  If the vesting requirements are not met prior to the end of the vesting period, the shares are forfeited.    In connection with an award of restricted stock, since actual shares are issued and outstanding, the participant is legally entitled to vote the shares and receive any dividends declared and paid on our common stock prior to the satisfaction of the vesting requirements.  However, as discussed above, Participants who hold unvested restricted stock may not sell, assign or transfer such shares until they have vested.
 
Restricted Stock Units.  Like a restricted stock award, a restricted stock unit is a grant valued in terms of our common stock. Unlike a restricted stock award, none of our common stock is issued at the time the RSU award is granted.  Instead, the award is a mere promise to deliver shares of our common stock upon satisfaction of the vesting requirements.  Upon satisfaction of the vesting requirements of the award, we then issue and deliver the number of shares subject to the award.  If the vesting


38




requirements are not satisfied prior to the end of the vesting period, the units expire and no shares are issued.  Since shares of our common stock are not issued in connection with RSUs until such time as the vesting conditions have been satisfied, participants in the Plan who receive awards of RSUs will not have any voting rights and will not be entitled to dividends until such time as the units vest and shares of our common stock are issued.

Amendment, Suspension or Termination of the Plan.  We may at any time amend, suspend or terminate the Plan. The Plan will be for a term of ten (10) years unless sooner terminated. Awards may be granted under the Plan upon it becoming effective, but awards granted prior to obtaining shareholder approval will be rescinded if the shareholders do not approve the Plan.  We may amend the Plan subject to compliance with applicable provisions of federal securities laws, state corporate and securities laws, the Internal Revenue Code, and the rules of the NYSE (or such other stock exchange as our common stock may be traded upon at the time).

Change in Capitalization.  Subject to any required action by our shareholders, the number of shares of common stock covered by outstanding awards, the number of shares of common stock that have been authorized for issuance under the 2009 Plan, the exercise or purchase price of each outstanding award, the maximum number of shares of common stock that may be granted subject to awards to any participant in a calendar year, and the like, shall be proportionally adjusted by the Committee in the event of: (i) any increase or decrease in the number of issued shares of common stock resulting from a stock split, stock dividend, combination or reclassification or similar event affecting our common stock; (ii) any other increase or decrease in the number of issued shares of common stock effected without receipt of consideration by us; or (iii) any other transaction with respect to common stock including a corporate merger, consolidation, acquisition of property or stock, separation (including a spin-off or other distribution of stock or property), reorganization, liquidation (whether partial or complete), distribution of cash or other assets to shareholders other than a normal cash dividend, or any similar transaction; provided, however, that conversion of any of our convertible securities shall not be deemed to have been “effected without receipt of consideration.” Except as the Committee determines, no issuance by us of shares of any class, or securities convertible into shares of any class, shall affect, and no adjustment by reason hereof shall be made with respect to, the number of shares of common stock subject to an award.



As of April 15, 2017,2019, we hadhave issued 737,724745,808 shares and units of restricted stock under the 2009 Plan, of which 534,952 have vested and become unrestricted.are no longer subject to any restrictions or possible forfeiture. In addition, 155,309 unvested shares of common stock remain reserved for potential issuance under outstanding awards and may be issued if the vesting terms of such outstanding awards are met. The 33,693 shares of common stock which were not issued or are not subject to any outstanding will expire and may no longer be issued in connection with the expiration of the 2009 Plan.






























39





Outstanding Equity Awards at Fiscal Year-End

The following table shows certain information about stock options outstanding as of December 31, 20162018 and held by our Chief Executive Officer, Stephen C. Taylor, and each other named executive officer.


Outstanding Equity Awards at 20162018 Fiscal Year-End
 
Option AwardsStock AwardsOption AwardsStock Awards










Name
 
 
 
 
 
 
Number of Securities Underlying Unexercised Options (#) Exercisable
 
 
 
 
 
 
Number of Securities Underlying Unexercised Options (#) Unexercisable
 
 
 
Equity Incentive Plan Awards: Number of Securities Underlying Unexercised Options
(#)
 
 
 
 
 
 
 
Option Exercise Price
($)
 
 
 
 
 
 
 
 
Option Expiration Date
 
 
 
 
 
Number of Shares of Stock That Have Not Vested
(#)
 
Market Value of Shares of Stock that Have Not Vested ($)
Equity Incentive Plan Awards: Number of Unearned Shares or Other Rights that Have
Not Vested (#)
Equity
Incentive Plan Awards:
Market or Payout Value
of Unearned
Shares or
Other Rights
that Have
Not Vested ($)
 
 
 
 
 
 
Number of Securities Underlying Unexercised Options (#) Exercisable
 
 
 
 
 
 
Number of Securities Underlying Unexercised Options (#) Unexercisable
 
 
 
Equity Incentive Plan Awards: Number of Securities Underlying Unexercised Options
(#)
 
 
 
 
 
 
 
Option Exercise Price
($)
 
 
 
 
 
 
 
 
Option Expiration Date
 
 
 
 
 
Number of Shares of Stock That Have Not Vested
(#)
 
Market Value of Shares of Stock that Have Not Vested ($)
Equity Incentive Plan Awards: Number of Unearned Shares or Other Rights that Have
Not Vested (#)
Equity
Incentive Plan Awards:
Market or Payout Value
of Unearned
Shares or
Other Rights
that Have
Not Vested ($)
(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(b)(c)(d)(e)(f)(g)(h)(i)(j)
Stephen C. Taylor40,000


$20.06
1/15/2018




30,000


$9.95
1/28/2019




25,000


$17.51
9/10/2018




23,852


$7.84
3/17/2019




30,000


$9.95
1/28/2019




30,000


$19.90
1/18/2020




23,852


$7.84
3/17/2019









46,976
$1,345,862


30,000


$19.90
1/18/2020









75,915
$1,679,999







84,700
$2,079,385


G. Larry Lawrence5,000


$17.81
1/24/2021




5,000


$17.81
1/24/2021




G. Larry Lawrence




13,333
$333,992







20,000
$407,800







20,000
491,000


James R. Hazlett5,000

 $17.51
9/10/2018




10,000


$17.74
12/9/2019




James R.10,000


$17.74
12/9/2019




Hazlett10,000


$17.81
1/24/2021




10,000


$17.81
1/24/2021









13,333
$333,992







20,000
$407,800







20,000
491,000



Option Exercises and Stock Vested in 20162018

In the table below, we show certain information about (i) the number of shares of common stock acquired upon exercise of stock options by each of the named executive officers in 20162018 and the value realized on exercise of the stock options and (ii) stock awards.
Option AwardsStock AwardsOption AwardsStock Awards
Name
Number of Shares Acquired
on Exercise (#)
Value Realized on Exercise ($)
Number of Shares
Acquired on Vesting
Value Realized
on Vesting
Number of Shares Acquired
on Exercise (#)
Value Realized on Exercise ($)
Number of Shares
Acquired on Vesting
Value Realized
on Vesting
(a)(b)(c)(d)(e)(b)(c)(d)(e)
Stephen C. Taylor15,000$106,65083,590
$1,543,071
25,000$95,84340,306
$1,101,801
G. Larry Lawrence20,000
432,000
11,667
284,841
James R. Hazlett20,000
432,000
5,00057,18611,667
284,841






40




Nonqualified Deferred Compensation

We adopted a Deferred Compensation Plan in December 2015, which permits eligible employees, including our NEOs, and our directors to annually elect to defer a portion of their salary, commissions, cash bonus, director fees and/or stock awards they would otherwise have received when earned.  Under this plan, participants can defer up to 90% of their salary, commissions, cash bonus, director fees and stock awards. Amounts deferred under the Deferred Compensation Plan are deemed invested in the investment funds selected by the participant with similar options as available under the Company’s 401(k) Plan. We have option to, but we do not currently contribute to the Deferred Compensation Plan on behalf of its participants, or match the deferrals made by participants.

At the time of deferral, a participant must indicate whether he or she wishes to receive the amount deferred while in-service or upon separation of service. In either case, the payment will be in either a lump sum or in substantially equal annual installments. In-service installments cannot exceed five years, while installments elected to start upon separation of service cannot exceed ten years. If separation is due to a disability or a change in control deferrals will be paid similar to deferrals paid upon separation of service, with deferrals related to death being paid in a lump sum to the participant’s beneficiary. If a participant experiences an unforeseeable emergency during the deferral period, the participant may petition to receive a partial or full payout from the Deferred Compensation Plan. All distributions are made in cash, except for deferred stock awards which are settled in Company stock.

The following table sets forth the deferred compensation earned by and paid to our Chief Executive Officer, Stephen C. Taylor, and other named executive officers in 2016.

Deferred Compensation Table
Name
Executive Contributions in Last FY ($) (1) 
Registrant Contributions in Last FY ($)Aggregate Earnings in Last FY ($)Aggregate Withdrawals/Distributions ($)Aggregate Balance at Last Fiscal Year End ($)Beginning Aggregate Balance
Executive Contributions in Last FY ($) (1) 
Registrant Contributions in Last FY ($)Aggregate Earnings in Last FY ($)Aggregate Withdrawals/Distributions ($)Aggregate Balance at Last Fiscal Year End ($)
(a)(b)(c)(d)(e)(f)
Stephen C. Taylor$139,837
$
$13,269
$
$153,106
$721,563
$775,749
$
$(74,012)$
$1,423,300
G. Larry Lawrence9,630

443

10,073
29,328
134,665

(1,957)
162,036
James R. Hazlett20,600

1,785

22,385
70,857
146,737

(10,722)
206,872

(1) All contributions were from salary, bonus and stock deferrals in 2016.2018.

Potential Payments Upon Termination or Change of Control

Our 1998 Stock Option Plan and 2009 Restricted Stock/Unit Plan contains “change of control” provisions. These provisions are designed to provide some assurance that we will be able to rely upon each executive’s services and advice as to the best interests of Natural Gas Services Group and our shareholders without concern that the executive might be distracted by the personal uncertainties and risks created by any proposed or threatened change of control and to promote continuity of our executive team.

Under our stock option plan, the Committee may adjust the stock options held by our executives upon the occurrence of a change of control. With this authority, the Committee may in its discretion elect to accelerate the vesting of any stock options that were not fully vested and allow for the exercise of such options as to all shares of stock subject thereto.

Likewise, under our 2009 Restricted Stock/Unit Plan, a change in control will accelerate the vesting of all awards under the plan unless the Committee has provided otherwise in a particular award under the plan.  In addition, upon death, disability or retirement, any vesting or other restrictions on the restricted stock awards will accelerate or lapse such that all shares underlying a restricted stock award will become unencumbered.

As noted in the tables above and summarized below, our named executive officers have stock options and restricted stock awards which are subject to certain vesting requirements.





At December 31, 2016,2018, our named executive officers had the following number of unvested restricted stock awards which were subject to forfeiture as of that date:

Stephen C. Taylor -- 75,915131,676 shares
G. Larry Lawrence -- 20,00033,333 shares


41




James R. Hazlett -- 20,00033,333 shares
 
Each of these restricted stock awards could have become vested and issued without restrictions on December 31, 20162018 assuming a change of control were to have occurred on that date.  In addition, the restricted stock awards would have been issued without restrictions on December 31, 2016,2018, assuming the named executive officer had died, became disabled or retired.  The closing price of our common stock on December 31, 2016,2018, was $32.15$16.44 per share.  Accordingly, on December 31, 2016,2018, had there been a change in control event or had the named executive officer died, became disabled or retired, the vesting terms of the restricted stock awards would have lapsed and the shares would have become unrestricted.  As a result, there was a potential for Messrs. Taylor, Hazlett and Lawrence to realize immediate value upon the lapse of restrictions on restricted stock awards as follows:  Mr. Taylor --$2,440,667;$2,164,753; Mr. Hazlett --$643,000;$547,995; and Mr. Lawrence --$643,000.$547,995.

As described under “CompensationCompensation Agreements with Management”Management on page 44,45, we entered into a written employment agreement with Stephen C. Taylor, President, Chief Executive Officer and Chairman of the Board in October 2013.  Under the employment agreement, Mr. Taylor is eligible for certain benefits in connection with a change in control.  These provisions were included in Mr. Taylor’s initial employment agreement with us and were continued in his current agreement as part of our negotiations with Mr. Taylor as to the terms of his employment and as an inducement for him to continue his employ with our company.  The change of control and severance provisions were designed to promote stability and continuity with respect to Mr. Taylor’s employment as our Chief Executive Officer and President.

Chief Executive Officer Potential Payments Table

The following table summarizes the benefits in effect as of December 31, 20162018 that Mr. Taylor would receive assuming that a qualifying termination (i.e., a termination described in footnote 2 below) in connection with a change in control death or disability or a termination by the Company without cause, or a voluntary termination by Mr. Taylor with and without good reason, occurred on December 31, 2016.2018. Those payments that are available generally to salaried employees that do not discriminate in scope, terms or operation in favor of executive officers are also not included in this table.

Named Executive Officer Stephen C. Taylor
Qualifying Termination in Connection with a Change in Control, Voluntary Resignation with Good Reason, or Termination by Company without Cause (1)      ($)
Death or Disability(2) ($)
Termination by Company with Cause, Voluntary Termination without Good Reason ($)
Retirement(2) ($)
Qualifying Termination in Connection with a Change in Control, Voluntary Resignation with Good Reason, or Termination by Company without Cause (1)      ($)
Death or Disability(2) ($)
Termination by Company with Cause, Voluntary Termination without Good Reason ($)
Retirement(2) ($)
Acceleration of Unvested Restricted Stock Units (3)$2,440,667
$2,440,667
$
$2,440,667
$2,164,753
$2,164,753
$
$2,164,753
Severance3,780,000



4,010,175



Medical, Dental, and Vision Benefits39,654



46,044



Life Insurance Premiums756



792



TOTAL$6,261,077
$2,440,667
$
$2,440,667
$6,221,764
$2,164,753
$
$2,164,753

(1)
See "Compensation"Compensation Agreements with Management"Management" beginning on page 4445 for definitions and discussion of Mr. Taylor's severance package in connection with termination due to change of control, voluntary resignation with good reason or termination by the Company without cause.



(2)
In the event of Mr. Taylor’s employment terminates on account of death disability, or qualified retirement, 100%disability100% of unvested Restricted Stock awards will immediately vest.

(3)
The value attributable to the acceleration of unvested Restricted Stock awards is based upon the number of awards multiplied by the closing price of our common stock ($32.15)16.44) on December 31, 2016.2018.








42




Pay Ratio

As required by Section 953(b) of the Dodd-Frank Wall Street Reform and Consumer Protection Act, the ratio of the compensation of our Chairman and Chief Executive Officer compared to the compensation of our median employee in 2018 is set forth below. SEC rules require the Company to disclose annually (i) the median of the annual total compensation of all employees of the Company (excluding the Company’s principal executive officer, Stephen C. Taylor); (ii) the annual total compensation of the Mr. Taylor; and (iii) the ratio of Mr. Taylor’s annual total compensation to the median annual total compensation of all employees (excluding Mr. Taylor).

Based on the methodology and material assumptions described below, the Company has estimated these amounts to be as follows:
Median annual total compensation of all employees (excluding Mr. Taylor)$69,578
Annual total compensation of Mr. Taylor$3,032,250
Ratio of Mr. Taylor’s annual total compensation to median annual total compensation of all other employees44:1
Item 402(u) of Regulation S-K, the pay ratio disclosure rule, generally requires companies to identify the median employee only once every three years under certain circumstances and then to calculate the total compensation for that employee each year.

For 2018, the company has opted to use the same median employee as used in 2017 with pay updates for both the median employee and the CEO. In making this selection we evaluated the items that make this permissible under the rule. Specifically:

There has been no change in the company’s employee compensation arrangements during the last fiscal year.

The company’s employee population has remained stable.

The individual selected as the median employee in 2017 is still employed by the company with no change in position.

We have concluded that the use of the same median employee as used in 2017 does not result in a significant change to our pay ratio disclosure. As of December 31, 2018, the Company had 273 employees.

The annual total compensation of Mr. Taylor is the total amount of his compensation presented in the 'Summary Compensation Table' on page 35. The Company determined the annual total compensation of the median employee shown above using the same rules applicable to the completion of the Summary Compensation Table for Mr. Taylor and the other named executive officers.























43





Compensation of Directors

We use a combination of cash and equity-based incentive compensation to attract and retain qualified candidates to serve on our Board of Directors.  In setting compensation for our Directors, we consider the substantial amount of time that Directors expend in fulfilling their duties to us and our shareholders, as well as the skill-sets required to fulfill these duties.

The following table discloses the cash, equity awards and other compensation earned, paid or awarded, as the case may be, to each of our non-employee Directors during the fiscal years ended December 31, 2016, 20152018, 2017 and 2014.2016:

Name Year
Fees Earned
Or Paid
($)(1)
Stock
Awards ($)(2) 
Option Awards ($)
Non-Equity Incentive
Plan Compensation
($) 
Change in Pension Value and Nonqualified Deferred Compensation Earnings
All
Other
Compensation
($)
Total
($)
Year
Fees Earned
Or Paid
($)(1)
Stock
Awards ($)(2) 
Option Awards ($)
Non-Equity Incentive
Plan Compensation
($) 
Change in Pension Value and Nonqualified Deferred Compensation Earnings
All
Other
Compensation
($)
Total
($)
(a) (b)(c)(d)(e)(f)(g)(h) (b)(c)(d)(e)(f)(g)(h)
Charles G. Curtis2016$50,000
$119,975
$
$
$
$
$169,975
2018$55,000
$99,968
$
$
$
$
$154,968
201550,000
102,975




152,975
201753,750
100,000




153,750
201450,000
99,988




149,988
201650,000
119,975




169,975
David L. Bradshaw201660,000
119,975




179,975
201865,000
99,968




164,968
201560,000
102,975




162,975
201763,750
100,000




163,750
201460,000
99,988




159,988
201660,000
119,975




179,975
John Chisholm201650,000
119,975




169,975
201855,000
99,968




154,968
201550,000
102,975




152,975
201753,750
100,000




153,750
201450,000
99,988




149,988
201650,000
119,975




169,975
William F. Hughes201660,000
119,975




179,975
William F. Hughes, Jr.201865,000
99,968




164,968
201560,000
102,975




162,975
201763,750
100,000




163,750
201460,000
99,988




159,988
201660,000
119,975




179,975
  
(1)Our non-employee Directors are paid a quarterly cash fee.  The cash fee payable to our non-employee Directors for 2016 , 2015 and 2014 was $11,250 per quarter.  In addition, (i) the Chairman of the Audit Committee, David L. Bradshaw and the Chairman of the Compensation Committee, William F. Hughes Jr., were entitled to an additional quarterly cash fee in the amount of $3,750 and (ii) the Chairman of the Nominating Committee John W. Chisholm, and the Chairman of the Governance and Personnel Development Committee, Charles G. Curtis, were entitled to an additional quarterly cash fee in the amount of $1,250.

(2)On April 6, 2016, each of our non-employee Directors were granted 5,884 restricted shares of common stock at an issue price of $20.39 per share; on March 19, 2015, each of our non-employee Directors were granted 5,492 restricted shares of common stock at an issue price of $18.75 per share; and on March 20, 2014, each of our non-employee Directors were granted 3,288 restricted shares of common stock at an issue price of $30.41 per share.
(1)    Our non-employee Directors are paid a quarterly cash fee.  The cash fee payable to our non-employee Directors for 2018 and 2017 was $12,500 per quarter and in 2016 , $11,250 per quarter.  In addition, (i) the Chairman of the Audit Committee, David L. Bradshaw and the Chairman of the Compensation Committee, William F. Hughes Jr., were entitled t o an additional quarterly cash fee in the amount of $3,750 and (ii) the Chairman of the Nominating Committee John W. Chisholm, and the Chairman of the Governance and Personnel Development Committee, Charles G. Curtis, were entitled to an additional quarterly cash fee in the amount of $1,250.
(2)    On March 15, 2018, each of our non-employee Directors were granted 4,072 restricted shares/units of common stock at an issue price of $24.55 per share; on March 23, 2017, each of our non-employee Directors were granted 3,992 restricted shares/units of common stock at an issue price of $25.05 per share; and on April 6, 2016, each of our non-employee Directors were granted 5, 884 restricted shares/units of common stock at an issue price of $20.39 per share.
    
Cash Compensation Paid to Independent Directors

We pay our non-employee Directors a quarterly cash fee for their attendance at each meeting of our Board of Directors.  The cash fee payable to our non-employee Directors for 2016, 20152017 was $12,500 per quarter and 2014in 2016 was $11,250 per quarter.  In addition, the Chairmen of the Audit and Compensation Committees were entitled to an additional quarterly cash fee in the amount of $3,750, while the Chairmen of the Nominating and Governance and Personnel Development Committees were entitled to an additional quarterly cash fee of $1,250.
    
Equity Based Compensation Paid to Independent Directors

Our compensation policy for independent directors is to grant an annual award of restricted shares based upon a review of equity award values paid by other public companies in the Company's peer group and the Company's market and financial performance in comparison to such peer group companies. For 2016,2018, based upon the Company's performance compared to its


44




peer group, the Compensation Committee recommended and the Board approved an equity award value of approximately $120,000


$100,000 in restricted stock.stock/units. In connection therewith, each of our four independent directors was granted for 20162018 the amount of 5,884 shares4,072 shares/units of restricted stock pursuant to the 2009 Plan, based upon the closing price of $20.39$24.55 per share as of April 5, 2016,March 15, 2018, the date ofday before the grant.grant date. The restricted sharesshares/units are subject to vesting whereby no shares will vest during the first year, and then upon the first anniversary date of the award, one-fourth of the shares will vest every three months so that all restricted sharesshares/units will have vested on the second anniversary date of the grant of the award. Notwithstanding the vesting schedule, all of the restricted sharesshares/units are subject to acceleration and will immediately vest in the case of (i) death disability, or retirementdisability of the recipient employee, or (ii) a change of control in the Company, as set forth in the Restricted StockStock/Unit Plan.

Directors who are our employees do not receive any compensation for their services as Directors.

Other

All Directors are reimbursed for their expenses incurred in connection with attending meetings. We provide liability insurance for our Directors and officers. The cost of this coverage for 20162018 was $87,794.$87,250. We do not offer non-employee Directors travel accident insurance, life insurance or a pension or retirement plan.

Compensation Agreements with Management

On October 23, 2013, we and Stephen C. Taylor entered into a new employment agreement (the “Employment Agreement”), pursuant to which Mr. Taylor continues his employment as our President and Chief Executive Officer. The new Employment Agreement became effective on the same date and Mr. Taylor’s previous employment agreement with us, which was set to expire on October 25, 2013, was terminated in connection therewith.

On April 24, 2015, we entered into an amendment with Mr. Taylor to his Employment Agreement pursuant to which the "modified single trigger" change of control provision was changed to a "double trigger" change of control. Under the "modified single trigger provision", Mr. Taylor could voluntarily terminate the Employment Agreement and for any reason and collect severance benefits. Under the new "double trigger" change of control provision, a change of control must occur followed by the Company or its successor terminating Mr. Taylor's employment other than for cause, death, or disability, or by Mr. Taylor terminating his employment for Good Reason. We discuss the definitions of "Change of Control" and "Good Reason" below, along with Mr. Taylor's severance benefits in connection with these events.   

The term of the Employment Agreement is for three years but the agreement contains an “evergreen” feature whereby the agreement is automatically extended on a monthly basis on the last day of each month so that the term of the agreement will always be three years unless written notice of nonrenewal is given by the Company. If a notice of nonrenewal is given, the term of employment then ends three years from the date of that written notice of nonrenewal unless terminated earlier as described below. The Employment Agreement provides for Mr. Taylor to receive a base salary, potential cash bonus, equity compensation, and certain other benefits, which are summarized below.  

Base Salary.  Mr. Taylor is entitled to Base Salary which is reviewed annually at the beginning of the year by, and may be increased at the discretion of, the Compensation Committee of the Board of Directors of the Company (the “Compensation Committee”).

Bonus.  Mr. Taylor will continue to be eligible for an annual cash bonus under the Company’s current Annual Incentive Bonus Plan. Mr. Taylor’s annual bonus opportunity payable upon achievement of “target” levels shall be at least ninety percent (90%) of Base Salary for 2013 and at least one hundred percent (100%) thereafter. The performance metrics, weighting and thresholds for each annual bonus opportunity will be determined by the Company’s Board of Directors or Compensation Committee in good faith following consultation with Mr. Taylor.

Annual Equity Compensation.  Mr. Taylor will beis eligible for annual grants of equity-based incentive awards under the Company’s equity compensation plans. The Company has agreedWhile the agreement provides an annual equity award grant to award Mr. Taylor a restricted stock award or equivalent equity awards in January of each year with an aggregate minimum value equal to at least 175% of the Executive'shis Base Salary, subject to one-year vesting terms, Mr. Taylor has waived the 175% and other standard terms which shall be established byone-year vesting requirement for the past three years in order to enable the Compensation Committee taking into account theto make discretionary and performance of the Company, Mr. Taylor and industry norms. Notwithstanding the contractual one-year vesting term, Mr. Taylor agreed to a two-year vesting term for his award received in early 2016 andbased awards with a three-year vesting term for his award received(subject to customary acceleration) in early 2017.keeping with current public company pay practices.

Benefits.  The Company will provide Mr. Taylor such retirement, and other benefits as are customarily provided to similarly situated executives of the Company, including paid vacation, coverage under the Company’s medical, life, disability and other insurance plans, and reimbursement for all reasonable business expenses in accordance with the Company’s expense


45




reimbursement policy.

Termination. The Company or Mr. Taylor may terminate the agreement prior to the expiration of its Term at any time upon written notice.

Severance upon Early Termination. Mr. Taylor will be entitled to the following severance benefits during the first ten years of his employment:

(A) If (i) the Company terminates Mr. Taylor's agreement without Cause (ii) Mr. Taylor terminates the agreement for Good Reason or due to a Change of Control event (as defined below) followed by the Company or its successor terminating Mr. Taylor's agreement without cause or Mr. Taylor terminating the agreement for Good Reason or (iii) Mr. Taylor's employment is terminated due to death or disability, then he will receive (a) a lump sum payment equal to 300% of Base Salary and Annual Bonus; (b) vesting of all unvested equity awards or other long-term incentive compensation; (c) continuation of health insurance benefits and payment of any life insurance premiums for a period of 36 months after termination; and (d) receipt of any other vested benefits which had not yet been paid prior to the date of termination.

(B) If Mr. Taylor's employment is terminated for Cause or he voluntarily resigns, then he will be entitled to any unpaid compensation earned through the date of termination and receipt of any other vested benefits which had not yet been paid prior to the date of termination.

(C) If Mr. Taylor retires in compliance with the Company's retirement policy, then he will be entitled to (i) any unpaid compensation earned through the date of retirement; (ii) vesting of all unvested equity awards or other long-term incentive compensation; and (iii) receipt of any other vested benefits which had not yet been paid prior to the date of termination.

After the tenth anniversary date of Mr. Taylor's employment agreement, in the event the Company delivers to Mr. Taylor a Notice of Nonrenewal and:

(A) his employment is automatically terminated upon the expiration of the remaining three year term, Mr. Taylor shall be entitled to (i) any unpaid compensation earned through the date of retirement; (ii) vesting of all unvested equity awards or other long-term incentive compensation; and (iii) receipt of any other vested benefits which had not yet been paid prior to the date of; or

(B) his employment is terminated prior to the expiration of the remaining three year term, unless said termination is due to Cause, voluntary resignation or retirement, then Mr. Taylor shall be entitled to (i) lump sum payment of his Base Salary at the time of termination for the remainder of the three year term of the agreement; (ii) a lump sum cash payment equal to 100% of the Annual Bonus for each full year (if any) remaining in the three year term, plus a pro-rata portion of such Annul Bonus for any partial remaining year in the three year term; (iii) vesting of all unvested equity awards or other long-term incentive compensation; (iv) continuation of health insurance benefits and payment of any life insurance premiums for the remainder of the three year term of the agreement; and (v) receipt of any other vested benefits which had not yet been paid prior to the date of termination.

Under the Employment Agreement, a "Change of Control" event includes (i) the acquisition by a person, entity or group of related persons or entities of more than 30% of the total voting power in the Company (excluding sales to underwriters in a public offering); (ii) consummation of the sale of 50% or more of the Company's assets; (iii) consummation of a merger or consolidation of the Company with or into an entity unless the voting securities of the Company immediately prior to the merger or consolidation continue to represent more the 70% of the voting power of the surviving entity after the merger or consolidation; and (iv) replacement of at least a majority of the incumbent members of the Company's Board of Directors, excluding directors whose election to the Board was approved by at least a majority of the then incumbent directors, subject to further limited exceptions as set forth in the "Change of Control" definition in Employment Agreement.

Under the Employment Agreement, a "Good Reason" event includes (i) a material diminution of Mr. Taylor's duties, control, authority or status or position or a requirement that the Executive report to a corporate officer or employee instead of reporting directly to the board of directors; (ii) a material reduction in Mr. Taylor's compensation; (iii) a material breach by the Company of the Employment Agreement; or (iv) a relocation of more than 50 miles of Mr. Taylor's principal office with the Company or its successor. And in connection with a termination due to Change of Control, the following provisions also constitute “Good Reason” events: (i) a material diminution of Mr. Taylor's duties, control, authority or status or position or a requirement that Mr. Taylor report to a corporate officer or employee instead of reporting directly to the Company's or successor’s board of directors depending on its composition after the change in control; (ii) the failure of the Company or successor to continue in effect any plan in which Mr. Taylor participates immediately prior to the Change in Control which is material to the Executive’s total compensation, unless an equitable arrangement has been made with respect to any such plan on a basis not less favorable,


46




both in terms of the amount or timing of payment of benefits provided; and (iii) a material breach by the Company or its successor of the Employment Agreement or any other material agreement between Mr. Taylor and the Company or its successor.

Non-Competition and Non-Solicitation. In connection with the payment of the severance benefits described above, for a period of two years following Mr. Taylor’s separation from the Company, he may not compete with the Company in any geographic area within a 100 mile radius of a Company owned or leased facility which is Company staffed and actively engaging in business on behalf of the Company.

We do not have any written employment agreements with our other named executive officers.

Limitation on Directors’ and Officers’ Liability

Our Articles of Incorporation provide our Directors and Officers with certain limitations on liability to us or any of our shareholders for damages for breach of fiduciary duty as a Director or officer involving certain acts or omissions of any such Director or Officer.

This limitation on liability may have the effect of reducing the likelihood of derivative litigation against Directors and Officers and may discourage or deter shareholders or management from bringing a lawsuit against Directors and Officers for breach of their duty of care even though such an action, if successful, might otherwise have benefited our shareholders and us.

Our Articles of Incorporation and bylaws provide certain indemnification privileges to our Directors, employees, agents and officers against liabilities incurred in legal proceedings.  Also, our Directors, employees, agents or officers who are successful, on the merits or otherwise, in defense of any proceeding to which he or she was a party, are entitled to receive indemnification against expenses, including attorneys’ fees, incurred in connection with the proceeding.

We are not aware of any pending litigation or proceeding involving any of our Directors, Officers, employees or agents as to which indemnification is being or may be sought, and we are not aware of any other pending or threatened litigation that may result in claims for indemnification by any of our Directors, officers, employees or agents.

Even though we maintain Directors’ and Officers’ liability insurance, the indemnification provisions contained in our Articles of Incorporation and bylaws remain in place.

Procedures for Reviewing Certain Transactions

On March 7, 2007, we adopted a written policy for the review, approval or ratification of related party transactions. All of our officers, Directors and employees are subject to the policy. Under this policy, the Audit Committee will review all related party transactions for potential conflict of interest situations. Generally, our policy defines a “related party transaction” as a transaction in which we are a participant and in which a related party has an interest. A “related party” is:

any of our Directors, Officers or employees or a nominee to become a Director;

an owner of more than 5% of our outstanding common stock;

certain family members of any of the above persons; and

any entity in which any of the above persons is employed or is a partner or principal or in which such person
has a 5% or greater ownership interest.

Approval Procedures

Before entering into a related party transaction, the related party or our department responsible for the potential transaction must notify the CEO or the Audit Committee of the facts and circumstances of the proposed transaction.  If the amount involved is equal to or less than $100,000, the proposed transaction will be submitted to the CEO.  If the amount involved exceeds $100,000, the proposed transaction will be submitted to the Audit Committee.  Matters to be submitted will include:

the related party’s relationship to us and interest in the transaction;

the material terms of the proposed transaction;



the benefits to us of the proposed transaction;


47




the availability of other sources of comparable properties or services; and

whether the proposed transaction is on terms comparable to terms available to an unrelated third party or to employees generally.

The CEO or the Audit Committee, as applicable, will then consider all of the relevant facts and circumstances available, including the matters described above and, if applicable, the impact on a director’s independence.  Neither the CEO nor any member of the Audit Committee is permitted to participate in any review, consideration or approval of any related party transaction if such person or any of his or her immediate family members is the related party. After review, the CEO or the Audit Committee, as applicable, may approve, modify or disapprove the proposed transaction. Only those related party transactions that are in, or are not inconsistent with, our best interests and that of our shareholders will be approved.

Ratification Procedures

If one of our officers or Directors becomes aware of a related party transaction that has not been previously approved or ratified by the CEO or the Audit Committee then, if the transaction is pending or ongoing, the transaction must be submitted, based on the amount involved, to either the CEO or the Audit Committee and the CEO or the Audit Committee will consider the matters described above. Based on the conclusions reached, the CEO or the Audit Committee, as applicable, will evaluate all options, including ratification, amendment or termination of the related party transaction. If the transaction is completed, the CEO or the Audit Committee will evaluate the transaction, taking into account the same factors as described above, to determine if rescission of the transaction or any disciplinary action is appropriate, and will request that we evaluate our controls and procedures to determine the reason the transaction was not submitted to the CEO or the Audit Committee for prior approval and whether any changes to the procedures are recommended.

We did not have any related party transactions in 20162018 with our Officers or Directors.



48





PRINCIPAL SHAREHOLDERS AND SECURITY OWNERSHIP OF MANAGEMENT

For purposes of the following tables, "beneficial ownership" is determined in accordance with Rule 13d-3 under the Securities Exchange Act of 1934, pursuant to which a person or group of persons is deemed to have "beneficial ownership" of any shares of Common Stock that such person has the right to acquire within 60 days.

The following table indicates the beneficial ownership of our Common Stock as of April 13, 201725, 2019 by: (1) each of our current directors and nominees for election; (2) our chief executive officer, principal accounting officer and our other named executive officers (as defined in Item 402(a) (3) of Regulation S-K) (together as a group, the "Named Executive Officers") "); and (3) all of our current directors, nominees and executive officers as a group, based on our records and data supplied by each of the current directors, nominees and executive officers.

Name of Beneficial Owner and Position
Amount and Nature of Beneficial Ownership(1)
Percent of Class
 
Directors & Nominees Who Are Not Named Executive Officers
  
   
John W. Chisholm
39,232(2)
*
Current Director  
   
Charles G. Curtis
81,013(3)
*
Current Director & Director Nominee  
   
William F. Hughes, Jr.
149,563(4)
1.16%
Current Director  
   
David L. Bradshaw20,540*
 Current Director  
   
Named Executive Officers  
   
Stephen C. Taylor
418,026(5)
3.20%
   Chief Executive Officer, Current Director & Director Nominee
  
  
James R. Hazlett
85,582(6)
*
   Vice President – Technical Services  
G. Larry Lawrence
50,478(7)
*
   Chief Financial Officer  
All Directors (and nominees) and executive officers as a group (7 persons)844,434(8)6.53%
Name of Beneficial Owner and Position
Amount and Nature of Beneficial Ownership (1)
Percent of Class
Directors & Nominees Who Are Not Named Executive Officers
John W. Chisholm
21,748 (2)
*
Current Director
Charles G. Curtis
90,869(3)
*
Current Director & Director Nominee
William F. Hughes, Jr.
149,257(4)
1.13%
Current Director
David L. Bradshaw25,356*
 Current Director
Named Executive Officers
Stephen C. Taylor
395,672(5)
2.99%
   Chief Executive Officer, Current Director & Director Nominee
James R. Hazlett
78,915(6)
*
   Vice President - Technical Services
G. Larry Lawrence
62,125(7)
*
   Chief Financial Officer
All Directors (and nominees) and executive officers as a group (7 persons)
824,857(8)
6.20%

*    Less than one percent.

(1) The number of shares listed includes all shares of common stock owned or indirectly owned by, which vest or may be acquired within 60 days of April 13, 201725, 2019 upon exercise of warrants and options held by the shareholder (or group), or which vest within 60 days of April 13, 201725, 2019, under outstanding restricted stock units. Beneficial ownership is calculated in accordance with the rules of the Securities and Exchange Commission.  Unless otherwise indicated, all shares of common stock are held directly with sole voting and investment powers. As of April 13, 2017,25, 2019, none of the shares of common stock owned by our officers and Directors had been


49




pledged as collateral to secure repayment of loans.

(2) Includes 12,5005,000 shares of common stock that may be acquired upon exercise of stock options granted under our 1998 Stock Option Plan, as amended and restated.

(3) Includes 10,0005,000 shares of common stock that may be acquired upon exercise of stock options granted under our 1998 Stock Option Plan, as amended and restated.
.




(4) Includes 110,500(i) 106,200 shares of common stock indirectly owned by Mr. Hughes through the William and Cheryl Hughes Family Trust.Trust and (ii) 4,509 shares of common stock held indirectly by a “rabbitrust,” the receipt of which has been deferred by Mr. Hughes to the Company’s Non-qualified Deferred Compensation Plan.  Mr. and Mrs. Hughes are co-trustees of the William and Cheryl Hughes Family Trust and have shared voting and investment powers with respect to the shares held by the trust.  Mr. and Mrs. Hughes are beneficiaries of the trust along with their two children. Does not include 3,5937,955 shares of common stock which may be issued upon the vesting of restricted stock units.

(5) Includes 128,93830,000 shares of common stock that may be acquired upon exercise of stock options granted to Mr. Taylor under our 1998 Stock Option Plan, as amended and restated. Also includes 51,596 shares of common stock held indirectly by a “rabbitrust” the receipt of which has been deferred by Mr. Taylor pursuant to the Company’s Non-qualified Deferred Compensation Plan.Does not include 63,41839,773 shares of common stock which may be issued upon the vesting of restricted stock units.

(6) Includes 25,00020,000 shares of common stock that may be acquired upon exercise of stock options granted under our 1998 Stock Option Plan, as amended and restated. Also includes 11,333 shares of common stock held indirectly by a “rabbitrust” the receipt of which has been deferred by Mr. Hazlett pursuant to the Company’s Non-qualified Deferred Compensation Plan.Does not include 15,0007,667 shares of common stock which may be issued upon the vesting of restricted stock units.

(7) Includes 5,000 shares of common stock that may be acquired upon exercise of stock options granted under our 1998 Stock Option Plan, as amended and restated. Also includes 11,333 shares of common stock held indirectly by a “rabbitrust” the receipt of which has been deferred by Mr. Lawrence pursuant to the Company’s Non-qualified Deferred Compensation Plan. Does not include 15,0007,667 shares of common stock which may be issued upon the vesting of restricted stock units.

(8) Includes 181,43865,000 shares of common stock that may be acquired upon exercise of stock options. Does not include 97,01163,102 shares of common stock which may be issued upon the vesting of restricted stock units.

The following table sets forth information as of April 13, 201725, 2019 regarding the beneficial owners of more than five percent of the outstanding shares of our Common Stock. To our knowledge, there are no beneficial owners of more than five percent of the outstanding shares of our Common Stock as of April 13, 201725, 2019 other than those set forth below.



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Name and Address of Beneficial OwnerAmount and Nature of Beneficial OwnershipPercent of Class
   
Blackrock, Inc.
871,602934,501(1)
6.74%7.07%
40 East 52nd Street
  
New York, New York  10022  
   
Neuberger Berman Group LLCFranklin Resources
938,335963,373(2)
7.25%7.28%
605 Third AvenueOne Franklin Parkway  
New York, New York  10158San Mateo, California 94403  
   
Dimensional Fund Advisors
1,092,4611,097,734(3)
8.44%8.3%
Palisades West, Building One, 6300 Bee Cave Road  
Austin, Texas 78746  
   
Franklin ResourcesOslo Asset Management, AS OAM
681,700970,958(4)
5.27%7.34%
One Franklin Parkway  
San Mateo, California 94403  

(1)
As reported in Amendment No. 7 to Schedule 13G filed with the Securities and Exchange Commission on January 25, 2017.
(1)    As reported in Amendment No. 9 to Schedule 13G filed with the Securities and Exchange Commission on February 6,
2019.  According to the filing, Blackrock, Inc. has the sole voting and dispositive power over the shares reported in the
table above.

(2)    As reported in Amendment No. 1 Schedule 13G filed with the Securities and Exchange Commission on January 30,
2019. According to the filing, Franklin Advisory Services, LLC is an indirect wholly owned subsidiary of Franklin
Resources, Inc., and it holds investment and voting power over the securities; however economic ownership is held by
one or more open‑end investment companies or other managed accounts that are investment management clients of
Franklin Advisory Services, LLC or affiliated companies.
(3)    As reported in Amendment No. 7 to schedule 13G filed with the Securities and Exchange Commission in February 9,
2019. According to the filing, Dimensional Fund Advisors holds voting and/or investment power over the shares, but
economic ownership is beneficially held by four investment companies.

(4)    As reported in Amendment No. 1 to Schedule 13G filed with the Securities and Exchange Commission on March 18,
2019.  According to the filing, Oslo Asset Management, AS OAM has the sole voting and dispositive power over the
shares reported in the table above.

(2)
As reported in Amendment No. 6 to Schedule 13G filed with the Securities and Exchange Commission on February 14, 2017.  According to the filing, Neuberger Berman Group LLC and Neuberger Berman LLC beneficially own the shares.

(3)
As reported in Amendment No. 4 to schedule 13G filed with the Securities and Exchange Commission in February 9, 2017. According to the filing, Dimensional Fund Advisors holds voting and/or investment power over the shares, but economic ownership is beneficially by four investment companies.

(4)
As reported in Schedule 13 G filed with the Securities and Exchange Commission on February 7, 2017. According to the filing, Franklin Resources and its affiliates beneficially own the shares.




Section 16(a) Beneficial Ownership Reporting Compliance

Section 16(a) of the Securities Exchange Act of 1934, as amended, requires our Directors, officers and persons who beneficially own more than 10% of our Common Stock to file certain reports of beneficial ownership with the Securities and Exchange Commission.  These reports show the Directors’, officers’ and greater than 10% shareholders' ownership and the changes in ownership of our common stock and other equity securities.  The SEC regulations also require that a copy of all such Section 16(a) forms filed must be furnished to us by the person or entity filing the report.

Based on a review of Section 16(a) filings furnished to us, all transactions in our equity securities required to be reported by Section 16(a) of the Securities Exchange Act of 1934, as amended, were reported on a timely basis, except for the following: basis.

(1)    Charles G. Curtis inadvertently failed to timely file a Form 4 reporting the exercise of a stock option for 2,500 shares. The Form 4 was filed immediately upon discovery of the failure to file.

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(2)    Stephen C. Taylor inadvertently failed to timely file a Form 4 reporting the delivery of 34,805 shares of common stock for payment of taxes in connection with the vesting of restricted stock awards. The Form 4 was filed immediately upon discovery of the failure to file.

(3)    G. Larry Lawrence inadvertently failed to timely file a Form 4 reporting the delivery of 5,624 shares of common stock for payment of taxes in connection with the vesting of restricted stock awards. The Form 4 was filed immediately upon discovery of the failure to file.

(4)    James M. Hazlett inadvertently failed to timely file a Form 4 reporting the delivery of 5,633 shares of common stock for payment of taxes in connection with the vesting of restricted stock awards. The Form 4 was filed immediately upon discovery of the failure to file.

(5)    William F. Hughes, Jr. inadvertently failed to timely file a Form 4 reporting the exercise of stock options for 10,000 shares. The Form 4 was filed immediately upon discovery of the failure to file.

(6)    John C. Chisholm inadvertently failed to timely file a Form 4 reporting the delivery of 618 shares of common stock for payment of taxes in connection with the vesting of restricted stock awards. The Form 4 was filed immediately upon discovery of the failure to file.




REPORT OF THE AUDIT COMMITTEE

The Audit Committee is responsible for overseeing the integrity of the Company's financial statements; financial reporting processes; compliance with legal and regulatory requirements; the independent registered public accounting firm qualifications and independence; and the performance of the Company's internal accounting functions and independent registered public accounting firm.

The Company's independent registered public accounting firm is responsible for performing an independent audit of the Company's financial statements in accordance with the Standards of the Public Company Accounting Oversight Board (United States) and to issue a report thereon.  The Audit Committee reviews with management the financial statements and management’s assessment of internal controls over financial reporting and the Company's risk exposures; reviews with the independent registered accounting firm their independent report on the condition of the company's financial statements; and reviews the activities of the independent registered public accounting firm.  The Audit Committee selects our independent registered public accounting firm each year.  The Audit Committee also considers the adequacy of the Company's internal controls and accounting policies. The Audit Committee performs an annual self-assessment of its performance.  The chairman and members of the Audit Committee are all independent Directors of the Board of Directors within the meaning of Section 303A of the New York Stock Exchange Listed Company Manual.

The Audit Committee has reviewed and discussed our audited financial statements with our management.  The Audit Committee has also received from, and discussed with, BDO the matters required to be discussed by Public Company Accounting Oversight Board Auditing Standard No. 1301 (Communications with Audit Committees).  In addition, the Audit Committee has received the written disclosures and the letter from our independent registered public accounting firm required by the Public Company Accounting Oversight Board in Rule 3200T. In addition, the Audit Committee has received the written disclosures and the letter from our independent registered public accounting firm matters pertaining to their independence.

The discussion referenced above included the Audit Committee’s reviewing the deficiency noted in our Annual Report on Form 10-K for the year ended December 31, 2018, related to a material weakness in internal control over financial reporting in connection with the preparation and review of our tax provision. The Company has begun remediation efforts and the Audit Committee will monitor the progress of such remediation until resolved.

Based upon the reviews and discussions referred to above, the Audit Committee recommended to the Board of Directors that the audited financial statements be included in our Annual Report on Form 10-K for 20162018 for filing with the Securities and Exchange Commission.  See “Proposal 4 - Ratification of Appointment of Independent Registered Accounting Firm” on page 54 62
further information.

     Respectfully submitted by the Audit Committee,
     David L. Bradshaw, Chairman
     Charles G. Curtis
     William F. Hughes, Jr.













Respectfully submitted by the Audit Committee,
David L. Bradshaw, Chairman
Charles G. Curtis
William F. Hughes, Jr.
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PROPOSAL 2 - CONSIDERATION OF AN ADVISORY VOTE ON EXECUTIVE COMPENSATION OF OUR NAMED EXECUTIVE OFFICERS


The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 (the “Dodd-Frank Act”), gives the shareholders the  right to endorse or not endorse the compensation of our named executive officers as disclosed in this Proxy Statement in accordance with the SEC's rules.  The proposal, commonly known as a “Say On Pay”“Say-on-Pay” proposal, gives our shareholders the opportunity to express their views on the Company's executive compensation.  

At the Company's annual meeting of shareholders held in June 2011, our shareholders recommended that the advisory vote on the Say-on-Pay of our named executives in our proxy materials be submitted annually, notwithstanding that our Board of Directors recommended that the advisory vote be submitted every third year. In light of the recommendation of the shareholders, we decided to include the Say-on-Pay advisory vote in our proxy materials on an annual basis until the next shareholder vote on the frequency of Say-on-Pay (which is this year - please see Proposal 3 in this Proxy Statement) or our Board of Directors otherwise determines that a different frequency of Say-on-Pay vote is in the best interests of the shareholders.
 
We are asking our shareholders to indicate whether or not they support the compensation program as described in this proxy statement.  This proposal is not intended to address any specific item of compensation, but rather the overall compensation of the named executive officers and the compensation policies, methodologies and practices described in this proxy statement.  Accordingly, we ask our stockholder to vote “FOR” the following resolution at our annual meeting:
 
“RESOLVED, that the shareholders approve the compensation of the Company's named executive officers, as disclosed in the Compensation Discussion and Analysis,compensation section, the compensation tables, and the related disclosure contained in the proxy statement set forth under the caption “Executive Compensation” of this proxy statement.”
 
The Company believes its compensation philosophy and programs are strongly linked to performance and results and appropriately aligned with the interests of shareholders.  Our compensation philosophy is to provide an executive compensation program that:

rewards performance and skills necessary to advance our objectives and further the interests of our shareholders;

is fair and reasonable and appropriately applied to each executive officer;

is competitive with compensation programs offered by our competitors; and

is appropriately focused on achieving annual financial and operational goals through the Company's cash bonus plan and on maximizing stockholder value over the long term, through grants of restricted shares and stock options.

The Board of Directors recommends that you vote FOR approval, on an advisory basis, of the compensation programs of our named executive officers as disclosed in the Compensation Discussion and Analysis, the compensation tables, and the related disclosure contained in the proxy statement set forth under the caption “Executive Compensation” of this proxy statement.



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PROPOSAL 3 – CONSIDERATION- APPROVAL AND ADOPTOIN OF AN ADVISORY VOTE ON THE FREQUENCY OF THE ADVISORY VOTE ON THE COMPENSATION OF OUR NAMED EXECUTIVE OFFICERS
2019 EQUITY INCENTIVE PLAN

Under Regulation 14AWe are asking you to approve the Natural Gas Services Group, Inc. 2019 Equity Incentive Plan (the ”Plan”), which the Board adopted on March 28, 2019 upon the recommendation of the Exchange Act,Compensation Committee (for purposes of this discussion, the ”Committee”). The Plan will only become effective if approved by shareholders at the Annual Meeting. If approved, the effective date of the Plan will be June 20, 2019.
The purposes of the Plan are to enable the Company to attract and retain the types of employees, consultants and directors who will contribute to the Company’s long range success; provide incentives that align the interests of employees, consultants and directors with those of the shareholders of the Company; and promote the success of the Company’s business.

Why We Are Seeking Approval of the Equity Incentive Plan

Equity Grants Will Align our Management’s and Stockholders’ Interests. We believe that awarding equity compensation to our officers and directors will not only help us to attract, retain and award individuals who will contribute to our success, such grants will also further align the interests of our management with the interests of our stockholders.

Our Competitors Offer Equity-Based Compensation. We believe that many of the financial institutions with which we compete can attract and retain employees and management with equity-based compensation programs. Without the Equity Incentive Plan, we may be at a significant competitive disadvantage.

Key Plan Provisions

The 2019 Plan has a ten-year term;
The 2019 Plan provides for the grant of stock options, both incentive stock options and nonqualified stock options, stock appreciation rights, restricted stock, restricted stock units, performance units, performance shares, and such other stock awards to eligible individuals as the plan's administrator (as defined below) may determine;
500,000 shares will be authorized for issuance pursuant to awards under the Plan;
The 2019 Plan will be administered by the Compensation Committee.

Key Reasons stockholder considerations
Stockholders should consider the following in determining whether to approve our Plan:

Minimum Vesting. All awards granted under the Plan must have a minimum vesting period of at least one year.
Share Counting. The Plan provides that, if an award is forfeited or expires, the shares covered by the award will be available for future grant while shares withheld to cover taxes or to satisfy the exercise price of stock options will not be available for future grant. The maximum number of shares available under the Plan are subject to adjustment as the result of certain corporate transactions identified in the Plan.

No Single-Trigger for Time-Based Awards upon a Change in Control. The Plan does not provide for vesting of time-based equity awards based solely on the occurrence of a change in control, without an accompanying involuntary termination of service (including a termination for good reason) or the failure of an acquirer to assume the awards.

Dividends on Unvested Awards Not Paid Until Vesting. The Plan provides that dividends on unvested awards shall be paid to participants only after the underlying awards have vested and not during the performance or service vesting period.

Awards Subject to Clawback. Awards granted under the Plan are subject to clawback under the Company’s clawback policy.



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No Cash-Out or Repricing of Underwater Options. Under no circumstances will any underwater stock options be bought back by the Company. In addition, neither the Compensation Committee nor the Board of Director shall have the authority to reduce the exercise price of a previously granted stock option under the Plan through amendment, replacement or exchange for a cash payment that exceeds the stock option’s in-the-money value.

Reasonable Burn Rate. The Company believes its three-year average net burn rate (grants less cancellations divided by outstanding shares) of 1.1% is reasonable and within the range of the Company’s peer companies.

No Tax Gross-Ups. The Plan does not provide for any tax gross-ups.

Overhang. As of March 30, 2019, 498,316 shares of the Company’s common stock were subject to outstanding awards related to unvested restricted stock and restricted stock units granted under our 2009 Restricted Stock Unit Plan (which expired on April 15, 2019) and outstanding stock options granted under our 1998 Stock Option Plan, as amended and restated. In addition, our 1998 Stock Option Plan, as amended and restated, has an additional 318,503 shares reserved for potential issuance pursuant to future awards that may be granted during the remaining term of that plan. The total of these 816,819 shares represents 6.0% of our shares outstanding. We believe this "overhang" is reasonable compared to that of our peers.

Material Terms of the Plan
The following summary of the material terms of the Plan is qualified in its entirety by the full text of the Plan, a copy of which is attached to this Proxy Statement as Annex 1. You also may obtain a copy of the Plan, free of charge, by writing to the Company, Attention Alicia Dada, Investors Relations, 404 Veterans Airpark Lane, Suite 300, Midland, Texas 79705.

Effective Date; Duration of the Plan
The Plan will become effective upon approval by the Company’s shareholders are requiredand no awards will be issued under the Plan prior to vote, on an advisory (non-binding) basis,such approval. Except with respect to awards then outstanding, unless sooner terminated, the Plan will expire on the frequency withtenth anniversary of the date it is approved by shareholders and no further awards may be granted after such date.

Plan Administration

The Plan will be administered by the Committee or, in the Board’s discretion, by the Board. The Committee will have the authority to, among other things, interpret the Plan, determine who will be granted awards under the Plan, prescribe the terms and conditions of each award, interpret, administer, reconcile any inconsistency in, correct any defect in and supply any omission in the Plan, and exercise discretion to make any and all other determinations which they would preferit determines to cast an advisory (non-binding) Say-on-Pay vote on executive compensation, commonly referred to as the “Say-on-Frequency vote,” at least every six (6) years. By voting on this proposal, shareholders may indicate whether they prefer that we seek an advisory vote every one, twobe necessary or three years. At our 2011 Annual Meeting, our shareholders expressed a preference that the non-binding advisory Say-on-Pay vote on executive compensation be held on an annual basis, which the Company has doneadvisable for the last six (6) years.administration of the Plan.

After careful considerationEligibility

The Board selects participants from among the key employees, consultants and directors of the frequency alternatives, the Board believes that continuing to conduct an annual advisory (non-binding) Say-on-Pay vote on executive compensation is appropriate for the Company and its shareholders at this time because such timingaffiliates. Only employees are eligible to receive incentive stock options.

Shares Available for Awards; Limits on Awards
The Company has reserved an aggregate of 500,000 shares of common stock to be awarded under the advisory vote will ensurePlan (the "Total Share Reserve”). This is based on our shareholders are regularly engagedaverage issuance of both Incentive Stock Options to our non-executive employees and Restricted Shares awarded to executives and non-employee directors. We anticipate that, based on our recent historical awards, the amount of shares reserved would provide about three years of availability under the plan. up to one-half of the total shares authorized under the plan.

Up to 250,000 of the Total Share Reserve may be issued under the Plan, in executive officer compensation decisions. The Company’s executive compensation programs are designedthe aggregate, through the exercise of incentive stock options.

No non-employee director may be granted awards, during any fiscal year, with respect to promote a long-term connection between pay and performance. Awardsshares of common stock that, together with any cash fees paid to the NEOs are typically made annually, and improvements to executive compensation plans are often considered and adopted on an annual basis, sodirector during the Board believesfiscal year, have a total value that holding an annual advisory (non-binding) Say-on-Pay vote on executive compensation ensures timely feedbackexceeds $250,000 (calculating the value of any awards based on the Company’s compensation disclosures.grant date fair value for financial reporting purposes).



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If any outstanding award expires or is canceled, forfeited, or terminated without issuance of the full number of shares of common stock to which the award related, then the number of shares available under the Plan will be increased by the portion of the award that expired, or was canceled, forfeited or terminated.

Shares tendered in payment of the option exercise price or delivered or withheld by the Company to satisfy any tax withholding obligation, or shares covered by a stock-settled stock appreciation right or other awards that were not issued upon the settlement of the award will not again become available for future grants under the Plan.

Awards may be granted under the Plan in assumption of, or in substitution for, outstanding awards previously granted by an entity acquired by the Company or with which the Company combines. The Committee will make appropriate adjustments to these limits to prevent dilution or enlargement of the rights of participants under the Plan (see Adjustments upon Changes in Stock).

Available Awards
Awards that may be granted under the Plan include stock options (including both incentive stock options (ISOs) and nonqualified stock options), stock appreciation rights (SARs), restricted stock, restricted stock units (RSUs), performance awards, and other stock-based awards. The terms of each award will be set forth in a written agreement.

Stock Options
A stock option is the right to purchase shares of common stock at a future date at a specified price per share called the exercise price. An option may be either an ISO or a nonqualified stock option. ISOs and nonqualified stock options are taxed differently, as described under Federal Income Tax Treatment of Awards under the Plan. Except in the case of options granted pursuant to an assumption or substitution for another option, the exercise price of a stock option may not be less than the fair market value (or in the case of an ISO granted to a ten percent shareholder, 110% of the fair market value) of a share of common stock on the grant date. As of the record date, the closing price of our common stock was $16.66. Full payment of the exercise price must be made at the time of such exercise either in cash or bank check or in another manner approved by the Committee.

Stock Appreciation Rights

A SAR is the right to receive payment of an amount equal to the excess of the fair market value of a share of common stock on the date of exercise of the SAR over the exercise price. The exercise price of a SAR may not be less than the fair market value of a share of common stock on the grant date. SARs may be granted alone ("freestanding rights”) or in tandem with options ("related rights”).

Restricted Stock

A restricted stock award is an award of actual shares of common stock which are subject to certain restrictions for a period of time determined by the Committee. Restricted stock may be held by the Company will continuein escrow or delivered to monitor developments in executive compensation practices,the participant pending the release of the restrictions. The participant generally has the rights and privileges of a shareholder as to such restricted stock during the restricted period, including the right to vote the restricted stock and the appropriateness and effectivenessright to receive dividends

Restricted Stock Units

An RSU is an award of hypothetical common stock units having a value equal to the fair market value of an annual Say-on-Pay vote on executive compensation,identical number of shares of common stock, which are subject to certain restrictions for a period of time determined by the Committee. No shares of common stock are issued at the time an RSU is granted, and the Company is not required to set aside any funds for the payment of any RSU award. Prior to settlement of an RSU award and the receipt of shares, the participant does not have any rights as a shareholder with respect to such shares. The Committee may change its recommendationgrant RSUs with a deferral feature (deferred stock units or DSUs), whereby settlement of the RSU is deferred beyond the vesting date until a future payment date or event set out in the participant’s award agreement. The Committee has the discretion to credit RSUs or DSUs with dividend equivalents.

Performance Share Awards

A performance share award is an award of shares of common stock that are only earned if certain conditions are met. The Committee has the discretion to determine: the number of shares of common stock or stock-denominated units subject to a performance share award; the applicable performance period; the conditions that must be satisfied for a participant to earn an award; and the other terms, conditions and restrictions of the award.


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The number of performance shares earned by a participant depends on the desired frequency inextent to which the future.performance goals established by the Committee are attained within the applicable performance period. No payout is made with respect to any performance share award except upon written certification by the Committee that the minimum threshold performance goal(s) have been achieved.

Other Equity-Based Awards
 
The Board also believes thatCommittee may grant other equity-based awards, either alone or in tandem with other awards, in amounts and subject to conditions as determined by the Committee as set out in an annual Say-on-Pay vote on executive compensation is consistent withaward agreement.

Vesting

The Plan allows for awards subject to either time-based vesting or performance-based vesting, or both. The Committee has the authority to determine the vesting schedule of each award, and to accelerate the vesting and exercisability of any award. The Company’s practice over the last several years has been to grant restricted stock awards to its executive officers and independent directors, and stock options to selected non-executive employees. Restricted Stock awards to our (i) executive officers have been subject to time-based vesting in equal one-third installments over a three year period from the grant date and (ii) independent directors have been subject to time-based vesting in equal quarterly installments beginning in the year following the year in which they are granted. Stock options granted to our non-executive employees typically vest in equal one-third installments over a three year period. Past vesting requirements may not be indicative of seeking input and engagingfuture vesting requirements set by the Committee, which may be less or more onerous than in dialogue with its shareholders on corporate governance matters andprior years.

Adjustments upon Changes in Stock

In the Company’s executive compensation philosophy, policies and practices.
Consistent with our shareholders’ preference expressed atevent of changes in the 2011 Annual Meeting andoutstanding common stock or in the considerations discussed above, the Board recommends that the Say-on-Pay vote on executive compensation should continue to be conducted annually.
While we intend to carefully consider the results of this proposal, the Say-on-Frequency vote is advisory in nature and not binding on us, our Board or our Compensation Committee. Our Board and Compensation Committee value the opinions of all of our shareholders and will consider the outcome of this Say-on-Frequency vote when deciding upon the frequencycapital structure of the stockholder vote on executive compensation. However,Company by reason of any stock or extraordinary cash dividend, stock split, reverse stock split, an extraordinary corporate transaction such as any recapitalization, reorganization, merger, consolidation, combination, exchange, or other relevant change in capitalization occurring after the Board may decidegrant date of any award, awards granted under the Plan and any award agreements, the exercise price of options and SARs, the maximum number of shares of common stock subject to all awards will be equitably adjusted or substituted, as to the number, price or kind of a share of common stock or other consideration subject to such awards to the extent necessary to preserve the economic intent of the award.

Unless the Committee specifically determines that itsuch adjustment is in the best interests of the Company or its affiliates, the Committee will, in the case of ISOs, ensure that any adjustments made will not constitute a modification, extension or renewal of the ISO within the meaning of Code Section 424(h)(3) and in the case of non-qualified stock options, ensure that any adjustments will not constitute a modification of such non-qualified stock options within the meaning of Code Section 409A. Any adjustments will be made in a manner which does not adversely affect the exemption provided under Rule 16b-3 under the Exchange Act. The Company will give participants notice of any adjustment.

Change in Control
Unless otherwise provided in an award agreement, in the event of a participant’s termination of service without cause or for good reason during the 18-month period following a change in control, the vesting of all awards will fully accelerate and all outstanding options and SARs will become immediately exercisable as of the date of the participant’s termination of service.

In the case of performance awards, in the event of a participant’s termination of service without cause or for good reason, in either case, within 18 months following a change in control, all performance goals or other vesting criteria will be deemed achieved at 100% of target levels and all other terms and conditions will be deemed met as of the date of the participant’s termination of service.

In the event of a change in control, the Committee may in its discretion and upon at least 10 days’ advance notice to the affected persons, cancel any outstanding awards and pay to the holders the value of the awards based upon the price per share of common stock received or to be received by other shareholders to holdof the Company in the event. In the case of any option or SAR with an advisory Say-on-Pay vote on executive compensationexercise price that equals or exceeds the price paid for a share of common stock in connection with a different frequency thanthe change in control, the Committee may cancel the option or SAR without the payment of any consideration.

A change in control is defined as (a) the acquisition by one person or more than one person acting as a group, of Company stock representing more than 50% of the total fair market value or total voting power of the Company’s stock; (b) a merger,


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consolidation or other reorganization in which the Company is not the surviving entity unless the Company’s shareholders immediately prior to the merger, consolidation or other reorganization maintain at least 50% of the voting power; (c) a majority of the incumbent members of the Board are replaced by directors whose appointment or election is not endorsed by at least two-thirds of the Board; or (d) the acquisition by one person or more than one person acting as a group, of all or substantially all of the Company’s assets.

Amendment or Termination of the Plan

The Board may amend or terminate the Plan. However, except in the case of adjustments upon changes in common stock, no amendment will be effective unless approved by the Company’s shareholders.shareholders of the Company to the extent shareholder approval is necessary to satisfy any applicable laws. The Plan shall terminate on June 20, 2029, unless previously terminated by the Board.

Amendment of Awards

The boardCommittee may amend the terms of directorsany one or more awards. However, the Committee may not affect any amendment which would otherwise constitute an impairment of the rights under any award unless the Company requests the consent of the participant and the participant consents in writing.

Clawback and Recoupment

The Company may cancel any award or require the participant to reimburse any previously paid compensation provided under the Plan or an award agreement in accordance with the Company’s clawback policy.

Federal Income Tax Consequences of Awards

The following is a summary of the U.S. federal income tax consequences of awards granted under the Plan. This summary is based on U.S. federal income tax laws and regulations in effect on the date of this Proxy Statement and is not a complete description of the U.S. federal income tax laws. This summary is not intended to be exhaustive and does not constitute legal or tax advice. This summary does not address municipal, state or foreign income tax consequences of awards, or federal employment taxes.

Nonqualified Stock Options

The grant of a nonqualified stock option will not result in taxable income to the participant. The participant will recognize ordinary income at the time of exercise equal to the excess of the fair market value of the shares on the date of exercise over the exercise price and the Company will be entitled to a corresponding deduction for tax purposes. Gains or losses realized by the participant upon the sale of the shares acquired on exercise will be treated as capital gains or losses.

Incentive Stock Options (ISOs)

The grant of an ISO will not result in taxable income to the participant. The exercise of an ISO will not result in taxable income to the participant if at the time of exercise the participant has been employed by the Company or its subsidiaries at all times beginning on the date the ISO was granted and ending not more than 90 days before the date of exercise. However, the excess of the fair market value of the shares on the date of exercise over the exercise price is an adjustment that is included in the calculation of the participant’s alternative minimum tax liability for the year the shares are sold.

If the participant does not sell the shares acquired on exercise within two years from the date of grant and one year from the date of exercise then on the sale of the shares any amount realized in excess of the exercise price will be taxed as capital gain. If the amount realized in the sale is less than the exercise price, then the participant will recognize a capital loss.
If these holding requirements are not met, then the participant will generally recognize ordinary income at the time the shares are sold in an amount equal to the lesser of (a) the excess of the fair market value of the shares on the date of exercise over the exercise price, or (b) the excess, if any, of the amount realized on the sale of the shares over the exercise price, and the Company will be entitled to a corresponding deduction.

SARs

The grant of a SAR will not result in taxable income to the participant. The participant will recognize ordinary income at the time of exercise equal to the amount of cash received or the fair market value of the shares received and the Company will be entitled to a corresponding deduction for tax purposes. If the SARs are settled in shares, then when the shares are sold the


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participant will recognize capital gain or loss on the difference between the sale price and the amount recognized at exercise. Whether it is a long-term or short-term gain or loss depends on how long the shares are held.

Restricted Stock and Performance Shares

Unless a participant makes an election to accelerate the recognition of income to the grant date (as described below), the grant of restricted stock or performance shares awards will not result in taxable income to the participant. When the restrictions lapse, the participant will recognize ordinary income on the excess of the fair market value of the shares on the vesting date over the amount paid for the shares, if any, and the Company will be entitled to a corresponding deduction.

If the participant makes an election under Code Section 83(b) within thirty days after the grant date, the participant will recognize ordinary income as of the grant date equal to the fair market value of the shares on the grant date over the amount paid, if any, and the Company will be entitled to a corresponding deduction. Any future appreciation will be taxed at capital gains rates. However, if the shares are later forfeited, the participant will not be able to recover any taxes paid.

RSUs and PSUs

The grant of an RSU or Performance Share Units will not result in taxable income to the participant. When the RSU or PSU is settled, the participant will recognize ordinary income equal to the fair market value of the shares or the cash provided on settlement and the Company will be entitled to a corresponding deduction. Any future appreciation will be taxed at capital gains rates.

Section 409A

Code Section 409A imposes complex rules on nonqualified deferred compensation arrangements, including requirements with respect to elections to defer compensation and the timing of payment of deferred amounts. Depending on how they are structured, certain equity-based awards may be subject to Code Section 409A, while others are exempt. If an award is subject to Code Section 409A and a violation occurs, the compensation is includible in income when no longer subject to a substantial risk of forfeiture and the participant may be subject to a 20% penalty tax and, in some cases, interest penalties. The Plan and awards granted under the Plan are intended to be exempt from or conform to the requirements of Code Section 409A.

Section 162(m) and the Company’s Deduction

Generally, whenever a participant recognizes ordinary income under the Plan, a corresponding deduction is available to the Company provided that the Company complies with certain reporting requirements. However, under Code Section 162(m), the Company will be denied a deduction for compensation paid to certain senior executives that exceeds $1,000,000.

Beginning January 1, 2018, with the passage and signing of the Tax Cuts and Jobs Act (the “Act”), this limitation will apply to the Company’s Chief Executive Officer, Chief Financial Officer, the Company’s other named executive officers, and anyone who was a covered person after December 31, 2016. Prior to January 1, 2018, certain performance-based compensation was excluded from the $1,000,000 deduction limit. With the passage and signing of the Act, beginning January 1, 2018 (with an exception for certain grandfathered arrangements -- none of which apply to the new Plan), the Company will be denied a deduction for any compensation exceeding $1,000,000 for such covered individuals, regardless of whether the compensation is performance-based compensation.

New Plan Benefits
The following table sets forth the number of shares of common stock underlying awards that will be issued to the officers listed below under the Plan if the Plan is approved by our shareholders at the annual meeting.

Name and positionDollar value ($)Number of Restricted Stock Shares/Units
Stephen C. Taylor, CEO$2,276,643
$131,674
G. Larry Lawrence, CFO345,000
20,000
James R. Hazlett, VP --Technical Services345,000
20,000
Executive Group (three persons)$2,968,243
$171,674




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Except as set forth above, additional awards under the Plan are subject to the discretion of the Compensation Committee, and no determination has been made as to the types or amounts of awards that will be granted in the future to specific individuals pursuant to the Plan. Therefore, it is not possible to determine the future benefits that will be received by participants.

Required Vote
Approval of this Proposal #3 requires a majority of the votes cast at the meeting. Abstentions and broker non-votes will have no effect on the outcome of this Proposal.

Board Recommendation

The Board recommends that youthe shareholders vote for‘FOR” the future advisory (non-binding) say-on-pay vote on executive compensation to occur on a "1 Year” frequency (as opposed to every two years or every three years).approval of the Plan.



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PROPOSAL 4 - RATIFICATION OF APPOINTMENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


     We are asking the shareholders to ratify the Audit Committee’s appointment of BDO USA, LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2017.2019.  BDO USA, LLP is a registered public accounting firm with the Public Company Accounting Oversight Board (“PCAOB”), as required by the Sarbanes-Oxley Act of 2002 and the rules of the PCAOB.  Shareholder ratification of the appointment is not required under the laws of the State of Colorado, but the Board believes it is important to allow the shareholder to vote on the proposal.  In the event the shareholders fail to ratify the appointment, the Audit Committee will reconsider this appointment.  Even if the appointment is ratified, the Audit Committee, in its discretion, may direct the appointment of different independent registered public accounting firm at any time during the year if the Audit Committee determines that such a change would be in our best interests and that of our shareholders.
 
BDO USA, LLP representatives are expected to attend the 20172019 Annual Meeting in person. They will have an opportunity to make a statement if they desire to do so and will be available to respond to appropriate shareholder questions.

The Board of Directors recommends that the shareholders vote “FOR” the ratification of the appointment of BDO USA, LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2017.2019.

Principal Accountant Fees

Our principal accountant for the fiscal years ended December 31, 2014, 20152016, 2017 and 20162018 was BDO USA, LLP.

 Audit Fees
    
The aggregate fees billed for professional services rendered by BDO USA, LLP for the audit of our financial statements for our fiscal years ended December 31, 20152017 and 20162018 and the review of the financial statements on Forms 10-Q for the fiscal quarters in such fiscal years were approximately $273,916$302,171 and $282,796,$366,040, respectively.

Audit Related Fees

During the years ended December 31, 20152017 and 2016,2018, there were no audit related fees.  

Tax Fees

We were not billed by nor was there any tax work performed by BDO USA, LLP during the years ended December 31, 2015 or 2016.2017 and 2018.

All Other Fees

No other fees were billed by BDO USA, LLP, during our fiscal years ended December 31, 20152017 and 2016,2018, other than as described above.

Audit Committee Pre-Approval Policies and Procedures

As of the date of this proxy statement, our Audit Committee has not established general pre-approval policies and as of December 31, 2016,2018, our Audit Committee had not established pre-approval policies and procedures for the engagement of our principal accountant to render audit or non-audit services.  However, in accordance with Section 10A(i) of the Exchange Act, our Audit Committee, as a whole, approves the engagement of our principal accountant prior to the accountant rendering audit or non-audit services.

Certain rules of the Securities and Exchange Commission provide that an auditor is not independent of an audit client if the services it provides to the client are not appropriately approved, subject, however, to ade minimus exception contained in the rules.  The Audit Committee pre-approved all services provided by BDO USA, LLP in 20162018 and thede minimus exception was not used.



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SHAREHOLDER PROPOSALS

Under SEC Rule 14a-8, if a shareholder wants us to include a proposal in our proxy statement and form of proxy for presentation at our 20182020 Annual Meeting of Shareholders, the proposal must be received by us at our principal executive offices at 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 7970179705 by January 5, 2018,2020 unless the date of our 20182020 Annual Meeting of Shareholders is more than 30 days from the anniversary date of our 20172019 Annual Meeting of Shareholders, in which case the deadline is a reasonable time before we print and mail our proxy materials for the 20182020 Annual Meeting of Shareholders.  The proposal should be sent to the attention of the Secretary of Natural Gas Services Group.Group, Inc.

Rule 14a-4 of the SEC's proxy rules allows a company to use discretionary voting authority to vote on matters coming before an annual meeting of shareholders for the prior year's annual meeting of shareholders or the date specified by an overriding advance notice provision in the company's bylaws. Our bylaws do not contain such an advance notice provision. Accordingly, for our 20182020 annual meeting, shareholders' written notices must be received by us before March 21, 201822, 2020 for any proposal a shareholder wishes to bring before the meeting but for which such shareholder does not seek to have a written proposal considered for inclusion in the proxy statement and form of proxy. Your notice should be addressed to President, Natural Gas Services Group, Inc., 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 79701.79705.
 
In order to curtail controversy as to the date on which a proposal was received by us, it is suggested that proponents submit their proposals by certified mail-return receipt requested.  Such proposals must also meet the other requirements established by the SEC for shareholder proposals.



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COMMUNICATIONS WITH THE BOARD OF DIRECTORS

Because of our relatively small size, to date we have not developed formal processes by which shareholders or other interested parties may communicate directly with Directors.  Until formal procedures are developed and posted on our website (www.ngsgi.com), any communication to one or more members of our Board of Directors may be made by sending them in care of Investor Relations, Natural Gas Services Group, Inc., 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 79701.79705.  Shareholders should clearly note on the mailing envelope that the letter is a “Shareholder-Board Communication.”  All such communications will be forwarded to the intended recipients.



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OTHER MATTERS

Our Board of Directors does not know of any matters to be presented at the meeting other than the matters set forth herein. If any other business should come before the meeting, the person’s named in the enclosed proxy card will vote such proxy according to their judgment on such matters.

New York Stock Exchange Certification. We listed our common stock on the New York Stock Exchange in October 2008. The certification of our Chief Executive Officer required by the NYSE Listing Standards, Section 303A.12(a), relating to our compliance with the NYSE Corporate Governance Listing Standards, was submitted to the NYSE on June 7, 2016,July 16, 2018, in connection with our listing on the exchange. The certifications of our Chief Executive Officer and Principal Accounting Officer required by the SEC in connection with our Annual Report on Form 10-K for the year ended December 31, 2016,2018, were submitted to the SEC on March 10, 2017,18, 2019, with our Annual Report on Form 10-K.

You may obtain our Annual Report on Form 10-K for the fiscal year ended December 31, 2016,2018, without charge upon written request to Stephen C. Taylor, President, at Natural Gas Services Group, Inc., 508 West Wall Street,404 Veterans Airpark Lane, Suite 550,300, Midland, Texas 79701.79705.  In addition, the exhibits to the Annual Report on Form 10-K for the fiscal year ended December 31, 2016,2018, may be obtained by any shareholder upon written request to Mr. Taylor.

In addition, we use our website as a channel of distribution for company information.  We make available free of charge on the Investor Relations section of our website (www.ngsgi.com) our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K.  We also make available through our website other reports filed with or furnished to the SEC under the Securities Exchange Act of 1934, as amended, including our proxy statements and reports filed by officers and directors under Section 16(a) of the Exchange Act, as well as our Code of Business Ethics and the charters to our various Committees of our Board of Directors.  We do not intend for information contained in our website to be part of this proxy statement.

BY ORDER OF THE BOARD OF DIRECTORS
May 1, 2017/s/
BY ORDER OF THE BOARD OF DIRECTORS
April 30, 2019                    /s/  Stephen C. Taylor
Midland, TexasStephen C. Taylor Chairman of the Board, President and Chief Executive Officer


















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