<SEC-DOCUMENT>0001193125-23-132706.txt : 20230503
<SEC-HEADER>0001193125-23-132706.hdr.sgml : 20230503
<ACCEPTANCE-DATETIME>20230502175857
ACCESSION NUMBER:		0001193125-23-132706
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20230503
DATE AS OF CHANGE:		20230502
GROUP MEMBERS:		MILL ROAD CAPITAL III GP LLC
GROUP MEMBERS:		THOMAS E. LYNCH

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATURAL GAS SERVICES GROUP INC
		CENTRAL INDEX KEY:			0001084991
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				752811855
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78868
		FILM NUMBER:		23880754

	BUSINESS ADDRESS:	
		STREET 1:		404 VETERANS AIRPARK LANE
		STREET 2:		SUITE 300
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79705
		BUSINESS PHONE:		(432) 262-2700

	MAIL ADDRESS:	
		STREET 1:		404 VETERANS AIRPARK LANE
		STREET 2:		SUITE 300
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79705

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mill Road Capital III, L.P.
		CENTRAL INDEX KEY:			0001767199
		IRS NUMBER:				981461868
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		334 PEMBERWICK ROAD
		STREET 2:		SECOND FLOOR
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06831
		BUSINESS PHONE:		203-987-3500

	MAIL ADDRESS:	
		STREET 1:		C/O MILL ROAD CAPITAL MANAGEMENT LLC
		STREET 2:		328 PEMBERWICK ROAD
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06831
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>d246366dsc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
<HTML><HEAD>
<TITLE>SC 13D/A</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SCHEDULE 13D
</B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Under the Securities Exchange Act of 1934 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>(Amendment No.&nbsp;3)* </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:22pt; font-family:Times New Roman" ALIGN="center"><B>Natural Gas
Services Group, Inc. </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Name of Issuer) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Common Stock, par value $0.01 per share </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Title of Class&nbsp;of Securities) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>63886Q109 </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(CUSIP Number)
</B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Mill Road Capital III, L.P. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Attn: Thomas E. Lynch </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>328 Pemberwick Road </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Greenwich, CT 06831 </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><FONT
STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">203-987-3500</FONT></FONT> </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><I>With a copy to: </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Peter M. Rosenblum, Esq. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Foley Hoag LLP </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>155
Seaport Blvd. </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Boston, MA 02210 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">617-832-1151</FONT></FONT> </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>April&nbsp;28, 2023 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Date of Event which Requires Filing of this Statement) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If the filing person has
previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of <FONT STYLE="white-space:nowrap">&#167;&#167;240.13d-1(e),</FONT>
<FONT STYLE="white-space:nowrap">240.13d-1(f)</FONT> or <FONT STYLE="white-space:nowrap">240.13d-1(g),</FONT> check the following box.&nbsp;&nbsp;&#9744; </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note: </B>Schedules filed in paper format shall
include a signed original and five copies of the schedule, including all exhibits. See <FONT STYLE="white-space:nowrap">&#167;240.13d-7</FONT> for other parties to whom copies are sent. </P>
<P STYLE="font-size:4pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">*</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The remainder of this cover page shall be filled out for a reporting person&#146;s initial filing on this form
with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The information required on the remainder of this cover page shall not be deemed to be &#147;filed&#148; for the purpose of Section&nbsp;18 of the Securities
Exchange Act of 1934 (&#147;Act&#148;) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). </P>
<P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">

<TR>

<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="32%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>CUSIP No. 63886Q109 </B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>13D</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right"><B> Page
 2
 of 8 Pages</B></TD></TR></TABLE> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="99%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="4%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="6%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;1.&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-TOP:1px solid #000000; BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt">
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Names of Reporting Persons.</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Mill Road Capital III, L.P.</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;2.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Check the Appropriate Box
if a Member of a Group (See Instructions)</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;(a)&nbsp;&nbsp;&#9744;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&#9744;</P>
<P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:1pt">&nbsp;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;3.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;SEC Use Only</P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:1pt">&nbsp;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;4.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Source of Funds (See
Instructions)</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;WC</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;5.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;&#9744;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;6.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Citizenship or Place of
Organization</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Cayman
Islands</P></TD></TR></TABLE>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="99%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="4%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="6%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="3%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="84%"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="middle" COLSPAN="3" ROWSPAN="4" STYLE="BORDER-LEFT:1px solid #000000; padding-left:8pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Number&nbsp;of</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Shares</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">&nbsp;Beneficially&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Owned&nbsp;by</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Each</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Reporting</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Person</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">With</P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:1pt" align="left">&nbsp;</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;7.&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Sole Voting Power</P>
<P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;912,408</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;8.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Shared Voting Power</P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:1pt">&nbsp;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;9.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Sole Dispositive Power</P>
<P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;912,408</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top">10.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Shared Dispositive Power</P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:1pt">&nbsp;</P></TD></TR></TABLE>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="99%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="4%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="6%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">11.&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-TOP:1px solid #000000; BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt">
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;912,408</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">12.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions)</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;&#9744;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">13.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Percent of Class
Represented by Amount in Row (11)</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;7.3%</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">14.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Type of Reporting Person
(See Instructions)</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;PN</P></TD></TR>
</TABLE>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">

<TR>

<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="32%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>CUSIP No. 63886Q109 </B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>13D</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right"><B> Page
 3
 of 8 Pages</B></TD></TR></TABLE> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="99%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="4%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="6%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;1.&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-TOP:1px solid #000000; BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt">
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Names of Reporting Persons</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Mill Road Capital III GP LLC</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;2.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Check the Appropriate Box
if a Member of a Group (See Instructions)</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;(a)&nbsp;&nbsp;&#9744;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&#9744;</P>
<P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:1pt">&nbsp;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;3.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;SEC Use Only</P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:1pt">&nbsp;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;4.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Source of Funds (See
Instructions)</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;AF</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;5.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;&#9744;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;6.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Citizenship or Place of
Organization</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Cayman
Islands</P></TD></TR></TABLE>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="99%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="4%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="6%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="3%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="84%"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="middle" COLSPAN="3" ROWSPAN="4" STYLE="BORDER-LEFT:1px solid #000000; padding-left:8pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Number&nbsp;of</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Shares</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">&nbsp;Beneficially&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Owned&nbsp;by</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Each</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Reporting</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Person</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">With</P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:1pt" align="left">&nbsp;</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;7.&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Sole Voting Power</P>
<P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;912,408</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;8.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Shared Voting Power</P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:1pt">&nbsp;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;9.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Sole Dispositive Power</P>
<P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;912,408</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top">10.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Shared Dispositive Power</P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:1pt">&nbsp;</P></TD></TR></TABLE>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="99%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="4%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="6%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">11.&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-TOP:1px solid #000000; BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt">
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;912,408</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">12.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions)</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;&#9744;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">13.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Percent of Class
Represented by Amount in Row (11)</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;7.3%</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">14.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Type of Reporting Person
(See Instructions)</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;OO</P></TD></TR>
</TABLE>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">

<TR>

<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="32%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>CUSIP No. 63886Q109 </B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>13D</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right"><B> Page
 4
 of 8 Pages</B></TD></TR></TABLE> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="99%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="4%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="6%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;1.&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-TOP:1px solid #000000; BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt">
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Names of Reporting Persons.</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Thomas E. Lynch</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;2.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Check the Appropriate Box
if a Member of a Group (See Instructions)</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;(a)&nbsp;&nbsp;&#9744;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&#9744;</P>
<P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:1pt">&nbsp;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;3.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;SEC Use Only</P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:1pt">&nbsp;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;4.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Source of Funds (See
Instructions)</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;AF</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;5.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;&#9744;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">&nbsp;&nbsp;6.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Citizenship or Place of
Organization</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;USA</P></TD></TR></TABLE>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="99%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="4%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="6%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="3%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="84%"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="middle" COLSPAN="3" ROWSPAN="4" STYLE="BORDER-LEFT:1px solid #000000; padding-left:8pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Number&nbsp;of</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Shares</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">&nbsp;Beneficially&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Owned&nbsp;by</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Each</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Reporting</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Person</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">With</P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:1pt" align="left">&nbsp;</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;7.&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Sole Voting Power</P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:1pt">&nbsp;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;8.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Shared Voting Power</P>
<P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;<B></B>912,408</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;9.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Sole Dispositive Power</P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:1pt">&nbsp;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top">10.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Shared Dispositive Power</P>
<P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;912,408</P></TD></TR></TABLE>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="99%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="4%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="6%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">11.&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-TOP:1px solid #000000; BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt">
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Aggregate Amount Beneficially Owned by Each Reporting Person</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;912,408</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">12.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions)</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;&#9744;</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">13.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Percent of Class
Represented by Amount in Row (11)</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;7.3%</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8pt">14.</TD>
<TD VALIGN="bottom" STYLE=" BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:2pt"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;Type of Reporting Person
(See Instructions)</P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;HC; IN</P></TD></TR>
</TABLE> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">

<TR>

<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="32%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>CUSIP No. 63886Q109 </B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right"><B> Page
 5
 of 8 Pages</B></TD></TR></TABLE> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This Amendment No.&nbsp;3 to the joint statement on Schedule 13D with respect to the common
stock, par value $0.01 per share (the &#147;<B>Common Stock</B>&#148;), of Natural Gas Services Group, Inc., a Colorado corporation (the &#147;<B>Issuer</B>&#148;), filed by Mill Road Capital III, L.P., a Cayman Islands exempted limited partnership
(the &#147;<B>Fund</B>&#148;), Mill Road Capital III GP LLC, a Cayman Islands limited liability company and the sole general partner of the Fund (the &#147;<B>GP</B>&#148;), and Thomas E. Lynch (together with the Fund and the GP, the
&#147;<B>Reporting Persons</B>&#148;) on January&nbsp;4, 2021, as amended by Amendment No.&nbsp;1 filed by the Reporting Persons on December&nbsp;23, 2022, and by Amendment No.&nbsp;2 filed by the Reporting Persons on March&nbsp;10, 2023 (such joint
statement, as so amended and as amended herein, the &#147;<B>Schedule 13D</B>&#148;), amends the Schedule 13D as follows: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">1. Paragraphs (b)&nbsp;and (c)
of Item 2 of the Schedule 13D shall hereby be amended and restated in full as follows: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) The business address of each of
Mr.&nbsp;Lynch, Mr.&nbsp;Jacobs, and Mr.&nbsp;Petito, and the address of the principal business and the principal office of the GP and the Fund, is 334 Pemberwick Road, Second Floor, Greenwich CT 06831. The business address of Mr.&nbsp;Yanagi is 400
Oyster Point Blvd, Suite 526, South San Francisco, CA 94080. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) The principal business of the GP is acting as the sole
general partner of the Fund. The principal business of the Fund is investing in securities. The present principal occupation or employment of each Manager is as a management committee director of the GP and of Mill Road Capital Management LLC, a
Delaware limited liability company (the &#147;<B>Management Company</B>&#148;), which provides advisory and administrative services to the GP and is located at 334 Pemberwick Road, Second Floor, Greenwich CT 06831. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">2. Item 3 of the Schedule 13D shall hereby be amended and restated in its entirety as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">The Reporting Persons acquired beneficial ownership of an aggregate of 912,408 shares of Common Stock for $8,792,445 using working capital from
the Fund and the proceeds of margin loans under margin loan facilities maintained in the ordinary course of business by the Fund with a broker on customary terms and conditions. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">3. Item 4&nbsp;of the Schedule 13D shall hereby be amended by inserting the following new paragraphs after the fifth paragraph: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">On April&nbsp;28, 2023, the Fund and GP (the &#147;<B>Mill Road Parties</B>&#148;) entered into a cooperation agreement (the
&#147;<B>Agreement</B>&#148;) with the Company. Pursuant to the Agreement, the Board of Directors of the Company (the &#147;<B>Board</B>&#148;) agreed, among other things, to appoint Messrs. Jacobs and Tringali to the Board as directors standing for
<FONT STYLE="white-space:nowrap">re-election</FONT> at the Company&#146;s 2023 annual meeting of shareholders (the &#147;2023 Annual Meeting&#148;) as directors with terms expiring at the Company&#146;s 2026 and 2025, respectively, annual meetings
of shareholders. The Board also agreed to nominate Steven Taylor for <FONT STYLE="white-space:nowrap">re-election</FONT> at the 2023 Annual Meeting as a director with a term expiring at the Company&#146;s 2026 annual meeting of shareholders. In
accordance with the Agreement, Messrs. Jacobs and Tringali were appointed as directors on April&nbsp;28, 2023. </P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">

<TR>

<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="32%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>CUSIP No. 63886Q109 </B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right"><B> Page
 6
 of 8 Pages</B></TD></TR></TABLE> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Under certain circumstances and so long the Mill Road Parties continue to beneficially own at
least five percent of the outstanding shares of Common Stock, if either Mr.&nbsp;Jacobs or Mr.&nbsp;Trignali ceases to be director during the Cooperation Period (as that term is defined in the Agreement), the Mill Road Parties will be permitted to
designate a substitute independent director to take his place, subject to the Company&#146;s approval, such approval not to be unreasonably delayed, withheld or conditioned. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the Agreement, the Mill Road Parties agreed to abide by customary standstill provisions during the Cooperation Period, including
</P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">not calling or seeking to call a meeting of the Company&#146;s shareholders, </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">not seeking election or appointment to, or representation on, the Board or nominating or proposing the nomination
of any candidate to the Board, </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">not seeking the removal of any member of the Board, </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">not making any shareholder proposal to the Company or the Board, </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">not forming any &#147;group&#148; with <FONT STYLE="white-space:nowrap">non-affiliates</FONT> of the Mill Road
Parties, and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">not engaging in or assisting others with the solicitation or withholding of proxies. </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">These standstill provisions will terminate automatically upon the public announcement by a third party of a proposed Extraordinary Transaction
(as defined in the Agreement) or upon certain breaches of the Agreement by the Company. If such a proposed Extraordinary Transaction and any proposed Extraordinary Transaction publicly announced thereafter by a third party are abandoned or
terminated prior to their consummation, then the standstill provisions will be reinstated, unless, prior to that abandonment or termination, the Mill Road Parties have publicly announced a proposed Extraordinary Transaction that has not been
abandoned or terminated. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">The Mill Road Parties agreed to vote all of their shares of Common Stock (i)&nbsp;in favor of each director
nominated and recommended by the Board for election at any annual meeting or, if applicable, any other meeting of shareholders of the Company held during the term of the Agreement, (ii)&nbsp;against any shareholder nominations for directors that are
not approved and recommended by the Board for election at any such meeting, and (iii)&nbsp;against any proposals or resolutions to remove any member of the Board. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">The foregoing description of the Agreement does not purport to be complete and is qualified in its entirety by reference to the Agreement,
which is filed as Exhibit 5 to this Amendment No.&nbsp;3 and is incorporated herein by reference. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">4. Paragraphs (a), (b) and (c)&nbsp;of Item 5 of the
Schedule 13D shall hereby be amended and restated in full as follows: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a, b) The percentages of beneficial ownership
reported in this Item 5, and on each Reporting Person&#146;s cover page to this Schedule 13D, are based on a total of 12,416,275 shares of the Common Stock issued and outstanding as of April&nbsp;18, 2023 as reported in the Proxy Statement for the
Annual Meeting filed by the Issuer on May&nbsp;1, 2023. All of the share numbers reported below, and on each Reporting Person&#146;s cover page to this Schedule 13D, are as of May&nbsp;2, 2023, unless otherwise indicated. The cover page to this
Schedule 13D for each Reporting Person is incorporated by reference in its entirety into this Item 5(a, b). </P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">

<TR>

<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="32%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>CUSIP No. 63886Q109 </B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right"><B> Page
 7
 of 8 Pages</B></TD></TR></TABLE> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Fund directly holds, and thus has sole voting and dispositive power over,
912,408 shares of Common Stock, of which 1,000 shares are held of record. The GP, as sole general partner of the Fund, also has sole authority to vote (or direct the vote of), and to dispose (or direct the disposal) of, these shares of Common Stock
on behalf of the Fund, and Mr.&nbsp;Lynch has shared authority to vote (or direct the vote of), and to dispose (or direct the disposal) of, these shares on behalf of the GP. Accordingly, each of the Reporting Persons beneficially owns 912,408 shares
of Common Stock, or approximately 7.3% of the outstanding shares of Common Stock, and the Reporting Persons beneficially own, in the aggregate, 912,408 shares of Common Stock, or approximately 7.3% of the outstanding shares of Common Stock. None of
Messrs. Jacobs, Petito and Yanagi has beneficial ownership of any shares of Common Stock. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) Except as otherwise
described in this Schedule 13D, no Reporting Person, other than the Fund as set forth in the table below, effected any transaction in shares of Common Stock during the period from March&nbsp;10, 2023 (the date on which Amendment No.&nbsp;2 to the
Schedule 13D was filed) to May&nbsp;2, 2023: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="74%"></TD>

<TD VALIGN="bottom" WIDTH="8%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="8%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Date of Purchase</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Shares<BR>Purchased</B><br><B>(#)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Purchase&nbsp;Price<BR>per Share ($)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">3/14/2023</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5,900</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">15.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">4/21/2023</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,500</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">15.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">The above listed purchases were effected pursuant to the assignment of Put Options sold by the Fund, as
described in Item 6, which is incorporated by reference into this Item 5(c). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">5. Item 6 of the Schedule 13D is hereby amended by adding the following new
paragraph immediately prior to the final paragraph: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">The response to Item 4 is incorporated by reference herein. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">6. Item 7 of the Schedule 13D shall hereby be amended by adding the following Exhibit: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="4%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="9%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="85%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"><U>Exhibit 5</U></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Cooperation Agreement dated April&nbsp;28, 2023, by and among the Issuer, the Fund and the GP.</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">7. Except as expressly modified hereby, all provisions of the Schedule 13D shall continue in full force and effect. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[signature page follows] </I></P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">

<TR>

<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="33%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="32%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>CUSIP No. 63886Q109 </B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right"><B> Page
 8
 of 8 Pages</B></TD></TR></TABLE> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>Signature</I> </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true,
complete and correct. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="14%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="85%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">DATE:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">May&nbsp;2, 2023</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">MILL ROAD CAPITAL III, L.P.</TD></TR></TABLE></DIV> <DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="7%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="92%"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Mill Road Capital III GP LLC,</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">its
General Partner</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Justin C. Jacobs</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Justin C. Jacobs</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Management Committee Director</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">MILL ROAD CAPITAL III GP LLC</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Justin C. Jacobs</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Justin C. Jacobs</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Management Committee Director</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">THOMAS E. LYNCH</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Justin C. Jacobs</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Justin C. Jacobs, <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">attorney-in-fact</FONT></FONT></TD></TR>
</TABLE></DIV>
</DIV></Center>

</BODY></HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.5
<SEQUENCE>2
<FILENAME>d246366dex995.htm
<DESCRIPTION>EX-99.5
<TEXT>
<HTML><HEAD>
<TITLE>EX-99.5</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 99.5 </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><I>Execution Copy </I></P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>COOPERATION AGREEMENT </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This Cooperation Agreement (this &#147;Agreement&#148;), dated April&nbsp;28, 2023, is by and among Natural Gas Services Group, Inc., a
publicly traded Colorado corporation (the &#147;<B>Company</B>&#148;), Mill Road Capital III, L.P., a Cayman Islands exempted limited partnership, and Mill Road Capital III GP LLC, a Cayman Islands limited liability company (such parties
collectively, the &#147;<B>Mill Road Parties</B>&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, on March&nbsp;10, 2023, the Mill Road Parties amended their Schedule
13D (the &#147;<B>13D Amendment</B>&#148;) with respect to the Company to disclose that Mill Road Capital III, L.P. had submitted to the Company a Notice of Intention to Nominate Persons for Election as Directors at the 2023 Annual Meeting of
Shareholders of Natural Gas Services Group, Inc. (the &#147;<B>Notice to Nominate</B>&#148;), attaching such Notice to Nominate as an exhibit to the 13D Amendment; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, on the date hereof, the Mill Road Parties beneficially own 912,408 shares of the Company&#146;s common stock, par value $0.01 per
share (&#147;<B>Common Stock</B>&#148;), or approximately 7.3% of the outstanding shares of Common Stock based on a total of 12,447,614 shares of Common Stock outstanding as of March&nbsp;28, 2023; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, the Company and the Mill Road Parties have engaged in certain discussions concerning the Company; and </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">WHEREAS, the Company and the Mill Road Parties desire to enter into an agreement regarding the appointment of two new directors (selected in
accordance with the terms hereof) to the Board of Directors of the Company (the &#147;<B>Board</B>&#148;) and certain other matters, in each case, on the terms and subject to the conditions set forth herein. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">NOW, THEREFORE, in consideration of and reliance upon the mutual covenants and agreements contained herein, and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the Mill Road Parties and the Company agree as follows: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">1.
<U>Board of Directors</U>. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U>New Directors</U>. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) Within one (1)&nbsp;business day following the execution of this Agreement, the Company will accept the previously tendered resignation of
Leslie A. Beyer from the Board, and the Board and all applicable committees thereof will take (or will cause to be taken) such actions as are necessary to appoint, effective upon or immediately after such resignation, Justin C. Jacobs
(<B>&#147;Jacobs</B>&#148;) to the Board as a director standing for <FONT STYLE="white-space:nowrap">re-election</FONT> at the 2023 Annual Meeting as a director with a term expiring at the Company&#146;s 2026 annual meeting of shareholders. The
Company will (i)&nbsp;recommend that the shareholders of the Company vote to elect Jacobs as a director of the Company at the 2023 Annual Meeting and (ii)&nbsp;use its reasonable best efforts to support and solicit proxies for the election of Jacobs
to serve for a three-year term in the same manner in which the Company supported and solicited proxies for its director nominees up for election in connection with the Company&#146;s 2022 Annual Meeting. </P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(ii) It is hereby acknowledged that a vacancy on the Board exists in connection with the
resignation of John W. Chisholm on December&nbsp;28, 2022. In connection therewith, the Company further agrees that, within one (1)&nbsp;business day following the execution of this Agreement, the Board and all applicable committees thereof will
take (or cause to be taken) such actions as are necessary to appoint, substantially contemporaneously with the appointment of Jacobs, Donald J. Tringali (<B>&#147; Tringali</B>&#148; or the &#147;<B>2025 Director</B>&#148;) to the Board as a
director standing for <FONT STYLE="white-space:nowrap">re-election</FONT> at the 2023 Annual Meeting as a director with a term expiring at the Company&#146;s 2025 annual meeting of shareholders. The Company will (i)&nbsp;recommend that the
shareholders of the Company vote to elect Tringali as a director of the Company at the 2023 Annual Meeting and (ii)&nbsp;use its reasonable best efforts to support and solicit proxies for the election of Tringali to serve for a <FONT
STYLE="white-space:nowrap">two-year</FONT> term in the same manner in which the Company supported and solicited proxies for its director nominees up for election in connection with the Company&#146;s 2022 Annual Meeting (both Jacobs and Tringali
being referred to herein as the &#147;<B>New Directors</B>&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(iii) The Board and all applicable committees thereof will take (or
will cause to be taken) such actions as are necessary to nominate Steven C. Taylor (&#147;<B>Taylor</B>&#148;) for <FONT STYLE="white-space:nowrap">re-election</FONT> at the 2023 Annual Meeting for election as a director with a term expiring at the
Company&#146;s 2026 annual meeting of shareholders. The Company will (i)&nbsp;recommend that the shareholders of the Company vote to elect Taylor as a director of the Company at the 2023 Annual Meeting and (ii)&nbsp;use its reasonable best efforts
to support and solicit proxies for the election of Taylor to serve for a three-year term in the same manner in which the Company supported and solicited proxies for its director nominees up for election in connection with the Company&#146;s 2022
Annual Meeting. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(iii) Other than the New Directors and Taylor, the Company shall not nominate any other person for election or <FONT
STYLE="white-space:nowrap">re-election</FONT> as a director at the 2023 Annual Meeting. The Company represents that no individual other than the New Directors and Taylor has been nominated by the Board or proposed by a shareholder for nomination for
election as a director at the 2023 Annual Meeting or a special meeting in lieu thereof. Prior to the appointment of the New Directors to the Board, the Board shall not appoint any other person to the Board. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman">(iv) The Board and all applicable committees thereof, based on information provided by each of the Mill Road Parties and Mr.&nbsp;Tringali, as
applicable, have determined, on or prior to the date hereof, that each of Messrs. Jacob and Tringali (A)&nbsp;qualifies as an &#147;independent director&#148; under the applicable rules of the New York Stock Exchange and the rules and regulations of
the Securities and Exchange Commission and (B)&nbsp;satisfies the Company&#146;s guidelines and policies with respect to service on the Board applicable to all <FONT STYLE="white-space:nowrap">non-management</FONT> directors. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>New Director Information</U>. The Mill Road Parties acknowledge that the New
Directors must provide (i)&nbsp;any information the Company reasonably requests in connection with such appointment or nomination, including completion of the Company&#146;s onboarding documentation, consistent with prior years&#146; practice,
(ii)&nbsp;information requested by the Company that is required to be disclosed in a proxy statement or other filing under applicable law, stock exchange rules or listing standards or as may be requested or required by any regulatory or governmental
authority having jurisdiction over the Company or any of its Affiliates, (iii)&nbsp;information reasonably requested by the Company in connection with assessing the New Directors&#146; eligibility to serve on the Board and independence, consistent
with prior years&#146; practice, and (iv)&nbsp;such written consents reasonably requested by the Company, consistent with prior years&#146; practice, for the conduct of the Company&#146;s vetting procedures generally applicable to <FONT
STYLE="white-space:nowrap">non-management</FONT> directors of the Company and the execution of any documents required by the Company, consistent with prior years&#146; practice, of <FONT STYLE="white-space:nowrap">non-management</FONT> directors of
the Company. The Company acknowledges that each of the New Directors has submitted a completed copy of the Company&#146;s standard D&amp;O questionnaire for the 2023 Annual Meeting and provided an acknowledgment that he intends to serve for the full
term for which he is elected at the 2023 Annual Meeting. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>New Director Agreements, Arrangements and Understandings</U>. The Mill
Road Parties agree that neither they nor any of their controlled Affiliates (i)&nbsp;has paid or will pay any compensation to Jacobs or Tringali in connection with such person&#146;s service on the Board or any committee thereof or (ii)&nbsp;has or
will have any agreement, arrangement or understanding, written or oral, with Jacobs or Tringali regarding such person&#146;s service on the Board or any committee thereof; provided, however, that the foregoing shall not prohibit Jacobs from
assigning or transferring to a Mill Road Party or an Affiliate any compensation he may receive as a director of the Company, subject to any transfer restrictions required by law or applicable restrictions set forth in any of the Company&#146;s
compensation plans under which such compensation was granted or issued. The Mill Road Parties further represent and warrant that they are not a party to any written agreement, arrangement or understanding with Jacobs or Tringali regarding the
Company or the Board that has not been disclosed to the Company. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) <U>Company Policies</U>. The parties hereto acknowledge that the New
Directors, upon appointment to the Board, will be subject to the same protections and obligations as other <FONT STYLE="white-space:nowrap">non-management</FONT> directors of the Company regarding confidentiality, conflicts of interest,
related-person transactions, fiduciary duties, codes of conduct, trading and disclosure, director resignation and other governance guidelines and policies of the Company, including the Company&#146;s Articles of Incorporation (as amended) and the
Company&#146;s Bylaws (as amended) (collectively, the &#147;<B>Organizational Documents</B>&#148;), as well as the Company&#146;s Corporate Governance Guidelines (collectively, &#147;<B>Company Policies</B>&#148;), and will have the same rights and
benefits, including with respect to insurance, indemnification, advancement of expenses, preparation and filing with the SEC, at the Company&#146;s expense, of any Forms 3, 4 and 5 under Section&nbsp;16 of the Exchange Act and compensation and fees,
as are applicable to all non-management directors of the Company. The Company agrees and acknowledges that no Company Policy does, and at no time during the Cooperation Period (as defined below) will, prohibit any member of the Board from
communicating with the Mill Road Parties, subject to such director&#146;s compliance with applicable law, observance of his or her confidentiality obligations, fiduciary duties and obligations to the Company and other Company policies and practices
generally applicable to <FONT STYLE="white-space:nowrap">non-management</FONT> directors of the Company. Promptly following the entry into this Agreement, the Mill Road Parties and the Company shall negotiate in good faith and enter into a
reasonable and customary nondisclosure agreement permitting information to be communicated to the Mill Road Parties by members of the Board and others, and the Company agrees that no member of the Board shall violate his or her fiduciary obligations
to the Company on account of any communications with the Mill Road Parties that is in compliance with the terms of such nondisclosure agreement. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">3 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e) <U>Termination</U>. The Company&#146;s obligations under this<U>&nbsp;Section
1</U>&nbsp;will terminate, and the Mill Road Parties will have no rights under this<U>&nbsp;Section 1</U>, upon any material breach of this Agreement by any Mill Road Party or other Restricted Person acting on behalf of a Mill Road Party upon five
business days&#146; written notice by the Company to the Mill Road Parties and such breach has not been cured within five business days of the Mill Road Parties&#146; receipt of such written notice; provided, that the Company (i)&nbsp;specifies in
such written notice, in reasonable detail, the material breach upon which it is relying to terminate its obligations under this<U>&nbsp;Section 1</U>&nbsp;and (ii)&nbsp;is not in material breach of this Agreement at the time such notice is given or
during such notice period. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(f) <U>Replacement New Director</U>. Subject to the following sentence of this Section&nbsp;1(f), if either
New Director is unable or unwilling to serve as a director, resigns as a director, is removed as a director or ceases to be a director for any reason prior to the expiration of the Cooperation Period and at such time the Mill Road Parties have
aggregate beneficial ownership of shares of Common Stock equivalent to a &#147;net long position&#148; of at least five percent (5%) of the outstanding shares of Common Stock as of the date of this Agreement (the &#147;<B>Minimum Ownership
Threshold</B>&#148;), the Company and the Mill Road Parties shall, subject to the Company&#146;s approval, such approval not to be unreasonably delayed, withheld or conditioned, designate a substitute director (the &#147;<B>Replacement New
Director</B>&#148;), and the Board and all applicable committees thereof shall take (or shall cause to be taken) such actions as are necessary to appoint the Replacement New Director to serve as a director of the Company and as a member of each
committee on which the replaced New Director served for the remainder of the New Director&#146;s term, subject to any applicable reelection requirements required by law, stock exchange rules, or the Company&#146;s organizational documents; provided,
that, in the case of any appointment to a committee, such Replacement New Director satisfies any applicable legal or regulatory requirements for serving on such committee. Effective upon the appointment of the Replacement New Director to the Board,
such Replacement New Director will be considered a New Director for all purposes of this Agreement from and after such appointment. Prior to the appointment of the Replacement New Director pursuant to this Section&nbsp;1(f), the Board (and all
applicable committees thereof) shall have determined that such Replacement New Director (A)&nbsp;qualifies as an &#147;independent director&#148; under the applicable rules of the New York Stock Exchange and the rules and regulations of the SEC, and
(B)&nbsp;satisfies the guidelines and policies with respect to service on the Board applicable to all <FONT STYLE="white-space:nowrap">non-management</FONT> directors (including the requirements set forth in Section&nbsp;1(d)). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(g) <U>Independence Status</U>. If at any time during the term of this Agreement, the Mill Road Parties (together with their Affiliates) have
beneficial ownership of, or aggregate economic or voting rights to, more than 9.99% of the Common Stock outstanding at such time, then the Mill Road Parties and New Directors will, in good faith and in conjunction with the other members of the
Company&#146;s Board, consider the independence of Jacobs and, if the Board determines that Jacobs is no longer an independent director under the rules of the NYSE, then the Board will expand the size of the Board and add an additional independent
director or take such other action as it determines to be necessary to comply with the rules of the NYSE. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">4 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">2. <U>Cooperation</U>. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U><FONT STYLE="white-space:nowrap">Non-Disparagement</FONT></U>. Each of the Mill Road Parties and the Company agrees that, from the date
of this Agreement until the date that is (i)&nbsp;one day after the notice deadline under the Company&#146;s Amended and Restated Bylaws (as amended, the &#147;<B>Bylaws</B>&#148;) for the nomination by shareholders of
<FONT STYLE="white-space:nowrap">non-proxy</FONT> access director candidates for election to the Board at the 2025 Annual Meeting, without regard to any extension of such deadline by virtue of the proviso in the Bylaws for a change in the date of
the annual meeting (the &#147;<B>Notice Deadline</B>&#148;), or (ii)&nbsp;if, and only if, the Company does not irrevocably agree with the Mill Road Parties, in writing, at least 60 days prior to the Notice Deadline, to <FONT
STYLE="white-space:nowrap">re-nominate</FONT> and support the 2025 Director for election at the 2025 Annual Meeting to continue to serve as a director of the Company for an additional term, the date that is 30 days prior to the Notice Deadline (such
period, the &#147;<B>Cooperation Period</B>&#148;), the Company and the Mill Road Parties will refrain from making, and will cause each of their respective controlled Affiliates and each of their and their controlled Affiliates&#146; respective
principals, directors, members, general partners, officers and employees (collectively, &#147;<B>Covered Persons</B>&#148;) acting on their behalf not to make or cause to be made any public statement or announcement that constitutes an ad hominem
attack on, or that otherwise defames or slanders (i)&nbsp;in the case of any such statements or announcements by the Mill Road Parties or their Covered Persons, the Company and its Affiliates or any of its or their respective current or former
Covered Persons (provided, that nothing herein will prevent the Mill Road Parties or their Covered Persons from making any statement or announcement unrelated to (and which does not reference in any way) the Company, its business or the Board
concerning Covered Persons of the Company and its Affiliates), and (ii)&nbsp;in the case of any such statements or announcements by the Company or its Covered Persons, the Mill Road Parties and their Affiliates or any of its or their respective
current or former Covered Persons (provided, that nothing herein will prevent the Company or its Covered Persons from making any statement or announcement unrelated to (and which does not reference in any way) the Mill Road Parties or their business
concerning Covered Persons of the Mill Road Parties). The foregoing will not (x)&nbsp;restrict the ability of any person to comply with any subpoena, legal requirement or other legal process or to respond to a request for information from any
governmental or regulatory authority with jurisdiction over the party from whom information is sought or to enforce such person&#146;s rights hereunder or (y)&nbsp;apply to any private communications (1)&nbsp;among the Mill Road Parties and their
Affiliates, Covered Persons and Representatives (in their respective capacities as such), on the one hand, and among the Company and its Affiliates, Covered Persons and Representatives (in their respective capacities as such), on the other hand, or
(2)&nbsp;by the Mill Road Parties or their Affiliates to their limited partner investors or potential limited partner investors (or equivalent) (provided, that, in the case of this clause (y)(2), any such private communications are limited to
factual statements that do not otherwise violate the terms of this<U>&nbsp;Section 2(a) </U>and are consistent with prior practice). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b)
<U>Voting</U>. During the Cooperation Period, the Mill Road Parties will cause all shares of Common Stock that the Mill Road Parties or any of their controlled Affiliates has the right to vote (or to direct the vote) as of the applicable record
date, to be present in person or by proxy for quorum purposes and to be voted at any meeting of shareholders of the Company or at any adjournments or postponements thereof, (i)&nbsp;in favor of each director nominated and recommended by the Board
for election at any Annual Meeting or, if applicable, any other meeting of shareholders of the Company held during the Cooperation Period, (ii)&nbsp;against any shareholder nominations for directors that are not approved and recommended by the Board
for election at any such meeting, and (iii)&nbsp;against any proposals or resolutions to remove any member of the Board. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">5 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Standstill</U>. During the Cooperation Period, the Mill Road Parties will not, and
will cause their controlled Affiliates and their collective Covered Persons acting on their behalf (collectively with the Mill Road Parties, the &#147;<B>Restricted Persons</B>&#148;) to not, directly or indirectly, without the prior consent,
invitation, or authorization of the Company or the Board, in each case, in writing: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) [RESERVED]; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ii)(A) call or seek to call (publicly or otherwise), alone or in concert with others, a meeting of the Company&#146;s shareholders (or the
setting of a record date therefor) (it being understood that this clause (A)&nbsp;does not apply to any action by Jacobs in his capacity as a director of the Company), (B) seek, alone or in concert with others, election or appointment to, or
representation on, the Board or nominate or propose the nomination of, or recommend the nomination of, any candidate to the Board, except as expressly set forth in<U>&nbsp;Section 1 </U>(it being understood that this clause (B)&nbsp;does not apply
to any action by Jacobs in his capacity as a director of the Company), (C) make or be the proponent of any shareholder proposal to the Company or the Board or any committee thereof, (D)&nbsp;seek, alone or in concert with others, the removal of any
member of the Board, or (E)&nbsp;conduct a referendum of shareholders of the Company or engage in any &#147;withhold&#148; or similar campaign; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iii) engage in any &#147;solicitation&#148; (as such term is used in the proxy rules promulgated under the Exchange Act but without giving
effect to any of the exclusions from such definition under SEC rules, including the exclusion relating to solicitations of ten or fewer shareholders) of proxies with respect to the election or removal of directors of the Company or any other matter
or proposal relating to the Company or become a &#147;participant&#148; (as such term is defined in Instruction 3 to Item 4 of Schedule 14A promulgated under the Exchange Act) in any such solicitation of proxies (it being understood that this
Section&nbsp;2(c)(iii) does not apply to any solicitation by or on behalf of the Company); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(iv) except as may be required by applicable
law or regulation, publicly announce its voting or consent intentions or votes as to matters submitted to a shareholder vote during the Cooperation Period; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(v) take any action in support of or make any proposal, announcement or request, either publicly or in a manner intended to result in or
require public disclosure, with respect to, any change in the number, term or identity of directors of the Company or the filling of any vacancies on the Board other than as provided under<U>&nbsp;Section 1</U>; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(vi) knowingly encourage or advise any Third Party or knowingly assist any Third Party in encouraging or advising any other person with
respect to (A)&nbsp;the giving or withholding of any proxy relating to, or other authority to vote, any Common Stock, or (B)&nbsp;conducting any type of referendum relating to the Company (including for the avoidance of doubt with respect to the
Company&#146;s management or the Board) (other than such encouragement or advice that is consistent with the Board&#146;s recommendation in connection with such matter); </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">6 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(vii) form, join, knowingly encourage or knowingly participate in or act in concert with any
&#147;group&#148; as defined in Section&nbsp;13(d)(3) of the Exchange Act, with respect to any shares of Common Stock or securities convertible into shares of Common Stock, other than solely with Affiliates of the Mill Road Parties with respect to
any shares of Common Stock or securities convertible into shares of Common Stock now or hereafter owned by them; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(viii) enter into a
voting trust, arrangement or agreement, or subject any shares of Common Stock or securities convertible into shares of Common Stock to any voting trust, arrangement or agreement (excluding customary brokerage accounts, margin accounts, prime
brokerage accounts and the like), in each case other than (A)&nbsp;this Agreement, (B)&nbsp;solely with Affiliates of the Mill Road Parties, or (C)&nbsp;granting proxies in solicitations approved by the Board; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(ix) sell, offer or agree to sell, all or substantially all, directly or indirectly, through swap or hedging transactions or otherwise, voting
rights decoupled from the underlying Common Stock held by a Restricted Person to any Third Party; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(x) institute, solicit, knowingly
assist or join as a party any litigation, arbitration or other proceeding against or involving the Company or any of its subsidiaries or any of its or their respective current or former directors or officers (including derivative actions) on the
basis of any claim known by the Mill Road Parties as of the date hereof (it being understood that this Section&nbsp;2(c)(x) does not apply to any action by Jacobs in his capacity as a director of the Company); provided, however, that for the
avoidance of doubt, the foregoing will not prevent any Restricted Person from (A)&nbsp;bringing litigation against the Company to enforce any provision of this Agreement instituted in accordance with and subject to<U>&nbsp;Section 10</U>,
(B)&nbsp;making counterclaims with respect to any proceeding initiated by, or on behalf of, the Company or its Affiliates against a Restricted Person, (C)&nbsp;bringing or participating in bona fide commercial or legal disputes that do not relate to
the subject matter of this Agreement, (D)&nbsp;exercising statutory appraisal rights, or (E)&nbsp;responding to or complying with validly issued legal process; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(xi) make any disclosure or announcement, either publicly or in a manner intended to result in or require public disclosure, regarding any
intent, purpose, or proposal with respect to the Board, the Company, its management, policies or affairs, strategy, operations, financial results, its assets or this Agreement, except in a manner consistent with the Press Release and the other
provisions of this Agreement; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(xii) enter into any negotiations, agreements, arrangements, or understandings (whether written or oral)
with any Third Party to take any action that the Restricted Persons are prohibited from taking pursuant to this<U>&nbsp;Section</U><U></U><U>&nbsp;2(c)</U>; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(xiii) make any request or submit any proposal to amend or waive the terms of this Agreement (including this subclause), in each case publicly
or which is intended to result in a public announcement or disclosure of such request or proposal; or </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">7 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(xiv) directly invest in more than five percent of the voting equity securities of any of
USA Compression Partners, LP, a Delaware limited partnership, Archrock, Inc., a Delaware corporation, CSI Compressco LP, a Delaware limited partnership, or Enerflex Ltd., a Canadian corporation (together, the &#147;<B>Public Competitors</B>&#148;)
or permit Jacobs (so long as he is a Covered Person of Mill Road) to serve as a member of the Board of Directors of any competitor. For purposes of this Agreement, the term &#147;competitor&#148; shall mean any Public Competitor or any other person
or entity whose primary business is that of manufacturing, selling, leasing, and renting of natural gas compressors to oil and gas companies. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Restricted Persons will instruct their respective Representatives acting on their behalf to comply with this <U>Section&nbsp;2(c)</U> and
any failure by such Representatives to comply with such instructions will be deemed a breach by the Mill Road Parties of this <U>Section&nbsp;2(c)</U>. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The restrictions in this <U>Section&nbsp;2</U> will terminate automatically upon: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(A) the public announcement by a third party of a proposed Extraordinary Transaction involving the Company; <I>provided,
however</I>, that if such third-party Extraordinary Transaction and all other proposed Extraordinary Transactions publicly announced thereafter by other third parties, if any, are abandoned or terminated prior to consummation or closing of any such
transaction, then the restrictions in this <U>Section</U><U></U><U>&nbsp;2</U> shall be reinstated and continue in effect (subject to subsequent expiration or termination in accordance with the terms of this <U>Section</U><U></U><U>&nbsp;2),
unless,</U> prior to the abandonment or termination of all such third-party Extraordinary Transactions, the Mill Road Parties (or an Affiliate of any of them) shall have publicly announced a proposed Extraordinary Transaction and shall not have
abandoned or terminated such Extraordinary Transaction; or </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(B) the fifth
(5<SUP STYLE="font-size:75%; vertical-align:top">th</SUP>) business day after written notice by any of the Mill Road Parties to the Company of any material breach of this Agreement by the Company (including a failure by the Company to comply with
its obligations in <U>Section&nbsp;1</U> to appoint or nominate any New Director, as applicable, or appoint any Replacement New Director, if applicable, to the Board in accordance with <U>Section&nbsp;1</U>, a failure to perform any of the actions
contemplated in <U>Section&nbsp;1(f)</U> or a failure by the Company to issue the Press Release in accordance with <U>Section&nbsp;3</U>), if such breach has not been cured within such notice period; provided, that the Mill Road Parties
(i)&nbsp;specify in such written notice, in reasonable detail, the material breach on which they are relying to terminate their obligations under this <U>Section&nbsp;2</U> and (ii)&nbsp;are not in material breach of this Agreement at the time such
notice is given or during the notice period. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Notwithstanding anything to the contrary in this Agreement, nothing in this Agreement
(including the restrictions in this<U> Section&nbsp;2</U>) will prohibit or restrict any of the Restricted Persons from (A)&nbsp;making any factual statement to comply with any subpoena, legal requirement or other legal process or to respond to a
request for information from any governmental authority with jurisdiction over such person from whom information is sought (so long as such process or request did not arise as a result of discretionary acts by any Restricted Person) or making any
regulatory filing required pursuant to the Exchange Act or any other applicable regulatory regime ), (B) communicating privately with the Board or any of the Company&#146;s senior officers regarding any matter, so long as such communications are not
undertaken for the primary purpose of requiring the Company or the Mill Road Parties to make public disclosure of the contents of such communications, (C)&nbsp;granting any liens or encumbrances on any claims or
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">8 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
interests in favor of a bank or broker-dealer or prime broker holding such claims or interests in custody or prime brokerage in the ordinary course of business, which lien or encumbrance is
released upon the transfer of such claims or interests in accordance with the terms of the custody or prime brokerage agreement(s), as applicable, (D)&nbsp;negotiating, evaluating and/or trading, directly or indirectly, in any index fund, exchange
traded fund, benchmark fund or broad basket of securities which may contain or otherwise reflect the performance of, but not primarily consist of, securities of the Company or a competitor or (E)&nbsp;complying with any applicable law or regulation.
Furthermore, for the avoidance of doubt, nothing in this Agreement will be deemed to restrict in any way the New Directors in the exercise of their fiduciary duties. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">3. <U>Public Announcement</U>. Promptly following the execution of this Agreement, the Company will publish a press release in substantially
the form previously agreed by counsel to the Company and the Mill Road Parties prior to the date of this Agreement (the &#147;Press Release&#148;). During the Cooperation Period, neither the Company nor the Mill Road Parties will make or cause to be
made any public announcement or statement with respect to the subject matter of this Agreement that is inconsistent with or contrary to the statements made in the Press Release, except as a party may determine to be required by law or the rules of
any stock exchange or with the prior written consent of the other party. The Mill Road Parties acknowledge and agree that the Company will file this Agreement and file or furnish the Press Release with the SEC as exhibits to a Current Report on Form
<FONT STYLE="white-space:nowrap">8-K</FONT> within four business days of the execution of this Agreement. The Company acknowledges and agrees that the Mill Road Parties will file this Agreement and/or the Press Release with the SEC as exhibits to an
amendment to its Schedule 13D promptly after the execution of this Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">4. <U>Representations and Warranties of the Company</U>.
The Company represents and warrants to the Mill Road Parties as follows: (a)&nbsp;the Company has the power and authority to execute, deliver and carry out the terms and provisions of this Agreement and to consummate the transactions contemplated by
this Agreement; (b)&nbsp;this Agreement has been duly and validly authorized, executed and delivered by the Company, constitutes a valid and binding obligation and agreement of the Company and, assuming the valid execution and delivery hereof by the
Mill Road Parties, is enforceable against the Company in accordance with its terms, except as enforcement of this Agreement may be limited by applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance or similar laws
generally affecting the rights of creditors and subject to general equity principles; (c)&nbsp;the execution, delivery and performance of this Agreement by the Company do not and will not (i)&nbsp;violate or conflict with any law, rule, regulation,
order, judgment or decree applicable to the Company or (ii)&nbsp;result in any breach or violation of or constitute a default (or an event which with notice or lapse of time or both could constitute a breach, violation or default) under or pursuant
to, or result in the loss of a material benefit under, or give any right of termination, amendment, acceleration or cancellation of, the Organizational Documents or any material agreement, contract, commitment, understanding or arrangement to which
the Company is a party or by which it is bound; and (d)&nbsp;the Company has not made any offers to candidates for the permanent Chief Executive Officer or Chief Financial Officer positions and the New Directors, as members of the Board, shall be
involved in the identification of, negotiations with, and hiring of the candidates for these two positions. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">9 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">5. <U>Representations and Warranties of the Mill Road Parties</U>. The Mill Road Parties
represent and warrant to the Company as follows: (a)&nbsp;the Mill Road Parties have the power and authority to execute, deliver and carry out the terms and provisions of this Agreement and to consummate the transactions contemplated by this
Agreement; (b)&nbsp;this Agreement has been duly and validly authorized, executed and delivered by the Mill Road Parties, constitutes a valid and binding obligation and agreement of the Mill Road Parties and, assuming the valid execution and
delivery hereof by the Company, is enforceable against the Mill Road Parties in accordance with its terms, except as enforcement of this Agreement may be limited by applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance
or similar laws generally affecting the rights of creditors and subject to general equity principles; (c)&nbsp;the execution, delivery and performance of this Agreement by the Mill Road Parties do not and will not (i)&nbsp;violate or conflict with
any law, rule, regulation, order, judgment or decree applicable to the Mill Road Parties or (ii)&nbsp;result in any breach or violation of or constitute a default (or an event which with notice or lapse of time or both could constitute a breach,
violation or default) under or pursuant to any organizational document of any Mill Road Party; (d)&nbsp;the Mill Road Parties are shareholders of the Company and the information set forth in the Notice to Nominate with respect to the number of
shares of Common Stock beneficially owned by the Mill Road Parties, any derivative or other economic arrangements in place with respect to the Company, and the manner in which such shares of Common Stock are held, is true, accurate and complete in
all material respects as of the date of this Agreement; and (e)&nbsp;to the knowledge of the Mill Road Parties after reasonable inquiry, there is no legal or contractual restriction that would prohibit the New Directors from serving on the Board.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">6. <U>Definitions</U>. For purposes of this Agreement: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) the term &#147;<B>Affiliate</B>&#148; has the meaning set forth in Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> promulgated by the
SEC under the Exchange Act; provided that none of the Company or its Affiliates or Representatives, on the one hand, and the Mill Road Parties and their Affiliates or Representatives, on the other hand, will be deemed to be &#147;Affiliates&#148;
with respect to the other for purposes of this Agreement; provided, further, that &#147;Affiliates&#148; of a person will not include any entity solely by reason of the fact that one or more of such person&#146;s employees or principals serves as a
member of its board of directors or similar governing body unless such person otherwise controls such entity (as the term &#147;<B>control</B>&#148; is defined in Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> promulgated by the SEC under the
Exchange Act); provided, further, that, with respect to the Mill Road Parties, &#147;Affiliates&#148; will not include any portfolio company of the Mill Road Parties or their Affiliates, provided that such portfolio companies are not acting on
behalf of or in concert with the Mill Road Parties or their Affiliates with respect to the Company; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) the terms &#147;<B>beneficial
owner</B>&#148; and &#147;<B>beneficially own</B>&#148; have the same meanings as set forth in Rule <FONT STYLE="white-space:nowrap">13d-3</FONT> promulgated by the SEC under the Exchange Act; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) the term &#147;<B>business day</B>&#148; means any day other than a Saturday, a Sunday or a day on which the Federal Reserve Bank of New
York is closed; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) the term &#147;<B>Common Stock</B>&#148; means the Company&#146;s common stock, par value $0.01 per share; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(e) the term &#147;<B>Exchange Act</B>&#148; means the Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated
by the SEC thereunder; </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">10 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(f) the term &#147;<B>Extraordinary Transaction</B>&#148; means any tender offer, exchange
offer, merger, consolidation, acquisition, sale of all or substantially all assets, sale, spinoff, splitoff or other similar separation of one or more business units, business combination, recapitalization, restructuring, liquidation, dissolution or
similar extraordinary transaction involving the Company (including its subsidiaries and joint ventures or any of their respective securities or assets); </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(g) the term &#147;<B>net long position</B>&#148; shall be as defined in Rule <FONT STYLE="white-space:nowrap">14e-4</FONT> under the Exchange
Act; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(h) the terms &#147;<B>person</B>&#148; or &#147;<B>persons</B>&#148; will be interpreted broadly to include any individual,
corporation (including <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">not-for-profit),</FONT></FONT> general or limited partnership, limited liability or unlimited liability company, joint venture, estate, trust, group,
association, organization or other entity of any kind or nature; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(i) the term &#147;<B>Representatives</B>&#148; means a party&#146;s
directors, principals, members, general partners, managers, officers, employees, agents, advisors and other representatives; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(j) the term
&#147;<B>SEC</B>&#148; means the U.S. Securities and Exchange Commission; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(k) the term &#147;<B>Third Party</B>&#148; means any
person that is not a party to this Agreement or a controlling or controlled (or under common control) Affiliate thereof, a director or officer of the Company, or legal counsel to any party to this Agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">7. <U>Notices</U>. All notices, consents, requests, instructions, approvals and other communications provided for herein and all legal process
in regard to this Agreement will be in writing and will be deemed validly given, made or served, if (a)&nbsp;given by email, when such email is sent to the email address(es) set forth below, (b)&nbsp;given by a nationally recognized overnight
carrier, one business day after being sent, or (c)&nbsp;if given by any other means, when actually received during normal business hours at the address specified in this <U>Section&nbsp;7</U>: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Natural Gas Services Group, Inc. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">404 Veterans Airpark Lane,
Suite 300 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Midland Texas 79705 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Attention:&nbsp;Chief
Executive Officer</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Email:&nbsp;steve.taylor@ngsgi.com </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">with a
copy to (which will not constitute notice to the Company): </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Jones&nbsp;&amp; Keller, P.C. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">1675 Broadway, 26<SUP STYLE="font-size:75%; vertical-align:top">th</SUP> Floor </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Denver, Colorado 80202 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Email: dthayer@joneskeller.com </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">11 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">if to the Mill Road Parties: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Mill Road Capital III, LP </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">382 Greenwich Avenue, Suite One </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Greenwich, CT 06830 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Attention:&nbsp;Justin Jacobs </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Email:&nbsp;jjacobs@millroadcapital.com </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">with a copy to (which
will not constitute notice to the Mill Road Parties): </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Foley Hoag LLP </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Seaport West </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">155 Seaport Boulevard </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Boston, Massachusetts 02210-2600 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Attention:&nbsp;John D.
Hancock, Esq.</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Email: jhancock@foleyhoag.com </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">At any time,
any party hereto may, by notice given in accordance with this<U>&nbsp;Section 7</U>&nbsp;to the other party, provide updated information for notices hereunder. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">8. [RESERVED] </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">9.
<U>Expenses</U>. The Company shall reimburse the Mill Road Parties for their reasonable, documented <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> fees and expenses (including legal expenses) that have
been incurred since October&nbsp;15, 2022 and prior to the date of this Agreement and that are related to the nomination of directors of the Company by the Mill Road Parties, in an amount not to exceed $350,000 in the aggregate. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">10. <U>Specific Performance; Remedies; Venue; Waiver of Jury Trial</U>. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(a) The Company and the Mill Road Parties acknowledge and agree that irreparable injury to the other party hereto would occur in the event any of the
provisions of this Agreement were not performed in accordance with their specific terms or were otherwise breached and that such injury would not be adequately compensable by the remedies available at law (including the payment of money damages).
Accordingly, each of the Company and the Mill Road Parties agree to the grant of an injunction or injunctions in favor of the other party to prevent breaches of this Agreement and to enforce specifically the terms and provisions of this Agreement,
in addition to any other remedy to which they are entitled at law or in equity. FURTHERMORE, THE COMPANY AND THE MILL ROAD PARTIES AGREE THAT: (I)&nbsp;THE <FONT STYLE="white-space:nowrap">NON-BREACHING</FONT> PARTY WILL BE ENTITLED TO INJUNCTIVE
AND OTHER EQUITABLE RELIEF, WITHOUT PROOF OF ACTUAL DAMAGES; (II)&nbsp;THE BREACHING PARTY WILL NOT PLEAD IN DEFENSE THERETO THAT THERE WOULD BE AN ADEQUATE REMEDY AT LAW; AND (III)&nbsp;THE BREACHING PARTY AGREES TO WAIVE (AND HEREBY WAIVES) ANY
BONDING REQUIREMENT UNDER ANY APPLICABLE LAW, IN THE CASE ANY OTHER PARTY SEEKS TO ENFORCE THE TERMS BY WAY OF EQUITABLE RELIEF. THIS AGREEMENT WILL BE GOVERNED IN ALL RESPECTS, INCLUDING VALIDITY, INTERPRETATION AND EFFECT, BY THE LAWS OF THE STATE
OF COLORADO WITHOUT GIVING EFFECT TO THE CHOICE OF LAW PRINCIPLES OF SUCH STATE. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">12 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) Each of the Company and the Mill Road Parties (i)&nbsp;irrevocably and unconditionally
submits to the exclusive jurisdiction of any state or federal court located in Denver County, Colorado (the &#147;<B>Chosen Courts</B>&#148;), (ii)&nbsp;agrees that it will not attempt to deny or defeat such jurisdiction by motion or other request
for leave from the Chosen Courts, (iii)&nbsp;agrees that any actions or proceedings arising in connection with this Agreement or the transactions contemplated by this Agreement will be brought, tried and determined only in the Chosen Courts,
(iv)&nbsp;waives any claim of improper venue or any claim that the Chosen Courts are an inconvenient forum, and (v)&nbsp;agrees that it will not bring any action relating to this Agreement or the transactions contemplated hereunder in any court
other than the Chosen Courts. The parties to this Agreement agree that mailing of process or other papers in connection with any such action or proceeding in the manner provided in<U>&nbsp;Section 7</U>&nbsp;or in such other manner as may be
permitted by applicable law as sufficient service of process, will be valid and sufficient service thereof. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) Each of the parties
hereto, after consulting or having had the opportunity to consult with counsel, knowingly, voluntarily and intentionally waives any right that such party may have to a trial by jury in any litigation based upon or arising out of this Agreement or
any related instrument or agreement, or any of the transactions contemplated thereby or any course of conduct, dealing, statements (whether oral or written) or actions of any of them. No party hereto will seek to consolidate, by counterclaim or
otherwise, any action in which a jury trial has been waived with any other action in which a jury trial cannot be or has not been waived. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">11. <U>Severability</U>. If at any time subsequent to the date hereof, any provision of this Agreement is held by any court of competent
jurisdiction to be illegal, void or unenforceable, such provision will be of no force and effect, but the illegality or unenforceability of such provision will have no effect upon the legality or enforceability of any other provision of this
Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">12. <U>Termination</U>. This Agreement will terminate upon the expiration of the Cooperation Period. Upon such termination,
this Agreement will have no further force and effect. Notwithstanding the foregoing,<U>&nbsp;Sections 6</U>&nbsp;to<U>&nbsp;17</U>&nbsp;will survive termination of this Agreement, and no termination of this Agreement will relieve either party of
liability for any breach of this Agreement arising prior to such termination. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">13. <U>Counterparts</U>. This Agreement may be executed in
one or more counterparts and by scanned computer image (such as .pdf), each of which will be deemed to be an original copy of this Agreement. For the avoidance of doubt, no party hereto will be bound by any contractual obligation to any other party
hereto (including by means of any oral agreement) until all counterparts to this Agreement have been duly executed by the parties hereto and delivered to the other parties hereto (including by means of electronic delivery). </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">13 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">14. <U>No Third-Party Beneficiaries</U>. This Agreement is solely for the benefit of the
Company and the Mill Road Parties and is not enforceable by any other persons. No party to this Agreement may assign its rights or delegate its obligations under this Agreement, whether by operation of law or otherwise, without the prior written
consent of, in the case of a Mill Road Party, the Company, or in the case of the Company, the Mill Road Parties, and any assignment in contravention hereof will be null and void. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">15. <U>No Waiver</U>. No failure or delay by any party in exercising any right or remedy hereunder will operate as a waiver thereof or of any
breach of any other provision hereof, nor will any single or partial waiver thereof preclude any other or further exercise thereof or the exercise of any other right or remedy hereunder. The failure of a party to insist upon strict adherence to any
term of this Agreement on one or more occasions will not be considered a waiver or deprive that party of the right thereafter to insist upon strict adherence to that term or any other term of this Agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">16. <U>Entire Understanding; Amendment</U>. This Agreement contains the entire understanding of the parties hereto with respect to the subject
matter hereof and supersedes any and all prior and contemporaneous agreements, memoranda, arrangements and understandings, both written and oral, between the parties, or any of them, with respect to the subject matter of this Agreement. This
Agreement may be amended only by an agreement in writing executed by the Company and the Mill Road Parties. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">17. <U>Interpretation and
Construction</U>. Each of the Company and the Mill Road Parties acknowledges that it has been represented by counsel of its choice throughout all negotiations that have preceded the execution of this Agreement, and that it has executed the same with
the advice of said counsel. Each of the Company and the Mill Road Parties and their respective counsel cooperated and participated in the drafting and preparation of this Agreement and the documents referred to herein, and any and all drafts
relating thereto exchanged among the parties hereto will be deemed the work product of all of the parties hereto and may not be construed against any party by reason of its drafting or preparation. Accordingly, any rule of law or any legal decision
that would require interpretation of any ambiguities in this Agreement against any party that drafted or prepared it is of no application and is hereby expressly waived by the Company and the Mill Road Parties, and any controversy over
interpretations of this Agreement will be decided without regard to events of drafting or preparation. References to specified rules promulgated by the SEC will be deemed to refer to such rules in effect as of the date of this Agreement. Whenever
the words &#147;include,&#148; &#147;includes&#148; or &#147;including&#148; are used in this Agreement, they will be deemed to be followed by the words &#147;without limitation.&#148; When a reference is made in this Agreement to any Section, such
reference will be to a Section of this Agreement, unless otherwise indicated. The headings contained in this Agreement are for reference purposes only and will not affect in any way the meaning or interpretation of this Agreement. The words
&#147;hereof,&#148; &#147;herein,&#148; &#147;hereto&#148; and &#147;hereunder&#148; and words of similar import when used in this Agreement will refer to this Agreement as a whole and not to any particular provision of this Agreement. The word
&#147;will&#148; shall be construed to have the same meaning as the word &#147;shall.&#148; The word &#147;or&#148; is not exclusive. The definitions contained in this Agreement are applicable to the singular as well as the plural forms of such
terms. Any agreement, instrument, law, rule or statute defined or referred to herein means, unless otherwise indicated, such agreement, instrument, law, rule (other than rules promulgated by the SEC) or statute as from time to time amended, modified
or supplemented. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature page follows] </I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">14 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IN WITNESS WHEREOF, this Agreement has been duly executed and delivered by the duly
authorized signatories of the parties hereto as of the date hereof. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="7%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="92%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>MILL ROAD CAPITAL III, L.P.</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Mill Road Capital III GP LLC, its General Partner</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Justin Jacobs</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Name: Justin Jacobs</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Title: Management Committee Director</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>MILL ROAD CAPITAL III GP LLC</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Justin Jacobs</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Name: Justin Jacobs</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Title: Management Committee Director</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>NATURAL GAS SERVICES GROUP, INC.</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Stephen C. Taylor</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Name: Stephen C. Taylor</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Title: Chairman and Interim CEO and President</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Signature Page to
Coordination Agreement </P>

</DIV></Center>

</BODY></HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
