<SEC-DOCUMENT>0001389050-20-000061.txt : 20200514
<SEC-HEADER>0001389050-20-000061.hdr.sgml : 20200514
<ACCEPTANCE-DATETIME>20200514163516
ACCESSION NUMBER:		0001389050-20-000061
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20200514
DATE AS OF CHANGE:		20200514
EFFECTIVENESS DATE:		20200514

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Archrock, Inc.
		CENTRAL INDEX KEY:			0001389050
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION [4922]
		IRS NUMBER:				743204509
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-238264
		FILM NUMBER:		20878379

	BUSINESS ADDRESS:	
		STREET 1:		9807 KATY FREEWAY
		STREET 2:		STE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77024
		BUSINESS PHONE:		281-836-8000

	MAIL ADDRESS:	
		STREET 1:		9807 KATY FREEWAY
		STREET 2:		STE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77024

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EXTERRAN HOLDINGS INC.
		DATE OF NAME CHANGE:	20070619

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Iliad Holdings, INC
		DATE OF NAME CHANGE:	20070206
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>aroc-20200514xs8.htm
<DESCRIPTION>S-8
<TEXT>
<!--Enhanced HTML document created with Toppan Merrill Bridge  9.5.0.55--><!--Created on: 5/14/2020 08:24:43 PM (UTC)--><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta charset="UTF-8"><title></title></head><body><div style="margin-top:30pt;"></div><div style="max-width:100%;padding-left:5.88%;padding-right:5.88%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">As filed with the Securities and Exchange Commission on May 14, 2020</b></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:right;margin:0pt;"><b style="font-weight:bold;">Registration No. 333-</b></p><div style="padding-top:1.0px;border-top:3.0pt solid #000000;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1.0pt solid #000000;margin:0pt;"><b style="font-size:15pt;font-weight:bold;">UNITED STATES<br>SECURITIES AND EXCHANGE COMMISSION</b></p></div><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt 0pt 3pt 0pt;"><b style="font-weight:bold;">Washington, D.C. 20549</b></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">____________________________________</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-size:15pt;font-weight:bold;">FORM S-8</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">REGISTRATION STATEMENT UNDER</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">THE SECURITIES ACT OF 1933</b></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt 0pt 6pt 0pt;"><b style="font-weight:bold;">____________________________________</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-size:15pt;font-weight:bold;">ARCHROCK, INC.</b></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;">(Exact name of registrant as specified in its charter)</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><div align="left"><table style="border-collapse:collapse;font-size:16pt;width:99.9%;"><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">Delaware</b></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;">(State or other jurisdiction of <br>incorporation or organization)</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">74-3204509</b></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;">(I.R.S. Employer<br>Identification No.)</p></td></tr></table></div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt 0pt 3pt 0pt;"><b style="font-weight:bold;">9807 Katy Freeway, Suite 100<br>Houston, Texas 77024<br>(281) 836-8000</b></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt 0pt 3pt 0pt;">(Address, including zip code, and telephone number, including<br>area code, of registrant&#8217;s principal executive offices)</p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">____________________________________</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt 0pt 3pt 0pt;"><font style="font-size:8pt;margin-bottom:0pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt 0pt 3pt 0pt;"><b style="font-weight:bold;">ARCHROCK, INC. 2020 STOCK INCENTIVE PLAN<br></b>(Full title of the plan)</p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt 0pt 3pt 0pt;"><b style="font-weight:bold;">Stephanie C. Hildebrandt<br>Senior Vice President, General Counsel<br>9807 Katy Freeway, Suite 100<br>Houston, Texas 77024<br>(281) 836-8000</b></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt 0pt 3pt 0pt;">(Name, address, including zip code, and telephone number,<br>including area code, of agent for service)</p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt 0pt 3pt 0pt;"><b style="font-weight:bold;">Copies to:</b></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt 0pt 3pt 0pt;"><b style="font-weight:bold;">Ryan J. Maierson<br>Nick S. Dhesi<br>Latham &amp; Watkins LLP<br>811 Main Street, Suite 3700<br>Houston, Texas 77002<br>Tel: (713) 546-5400</b></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;margin:0pt 0pt 3pt 0pt;"><font style="font-size:10pt;">I</font>ndicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller reporting company,&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act.</p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;margin:0pt;">Large accelerated filer<font style="display:inline-block;width:54.06pt;"></font><font style="font-family:'Wingdings';"><font style="font-family:'Times New Roman';">&#8999;</font></font><font style="display:inline-block;width:153.52pt;"></font>Accelerated filer <font style="display:inline-block;width:124.48pt;"></font><font style="font-family:'Wingdings';"><font style="font-family:'Times New Roman';">&#9723;</font></font></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;margin:0pt;">Non-accelerated filer<font style="display:inline-block;width:58.27pt;"></font><font style="font-family:'Wingdings';"><font style="font-family:'Times New Roman';">&#9723;</font></font> <font style="display:inline-block;width:152.87pt;"></font>Smaller Reporting Company<font style="display:inline-block;width:88.01pt;"></font><font style="font-family:'Wingdings';"><font style="font-family:'Times New Roman';">&#9723;</font></font></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;margin:0pt 0pt 3pt 0pt;">Emerging Growth Company<font style="display:inline-block;width:34.9pt;"></font><font style="font-family:'Wingdings';"><font style="font-family:'Times New Roman';">&#9723;</font></font></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;margin:0pt 0pt 3pt 0pt;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.<font style="display:inline-block;width:188.09pt;"></font><font style="font-family:'Wingdings';"><font style="font-family:'Times New Roman';">&#9723;</font></font></p><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt 0pt 3pt 0pt;"><b style="font-weight:bold;">CALCULATION OF REGISTRATION FEE</b></p><div align="left"><table style="border-collapse:collapse;font-size:16pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:bottom;width:43.21%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td><td style="vertical-align:bottom;width:14.19%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td><td style="vertical-align:bottom;width:14.19%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td><td style="vertical-align:bottom;width:14.19%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td><td style="vertical-align:bottom;width:14.2%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td></tr><tr><td style="vertical-align:bottom;width:43.21%;border-bottom:1px solid #000000;border-top:1.5pt solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">Title of securities to be registered</b></p></td><td style="vertical-align:bottom;width:14.19%;border-bottom:1px solid #000000;border-top:1.5pt solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;line-height:1.19;">Amount to be registered</b><sup style="font-size:6pt;font-weight:bold;vertical-align:top;">(1)(2)</sup></p></td><td style="vertical-align:bottom;width:14.19%;border-bottom:1px solid #000000;border-top:1.5pt solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;line-height:1.19;">Proposed maximum offering price per share</b><sup style="font-size:6pt;font-weight:bold;vertical-align:top;">(3)</sup></p></td><td style="vertical-align:bottom;width:14.19%;border-bottom:1px solid #000000;border-top:1.5pt solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;line-height:1.19;">Proposed maximum aggregate offering price</b><sup style="font-size:6pt;font-weight:bold;vertical-align:top;">(3)</sup></p></td><td style="vertical-align:bottom;width:14.2%;border-bottom:1px solid #000000;border-top:1.5pt solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">Amount of registration fee</b></p></td></tr><tr><td style="vertical-align:top;width:43.21%;border-bottom:1px solid #000000;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;margin:0pt;">Common Stock, $0.01 par value per share </p></td><td style="vertical-align:top;width:14.19%;border-bottom:1px solid #000000;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;">8,500,000</p></td><td style="vertical-align:top;width:14.19%;border-bottom:1px solid #000000;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;">$ 4.43</p></td><td style="vertical-align:top;width:14.19%;border-bottom:1px solid #000000;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;">$ 37,612,500.00</p></td><td style="vertical-align:top;width:14.2%;border-bottom:1px solid #000000;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;">$ 4,882.10</p></td></tr></table></div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:6pt;visibility:hidden;">&#8203;</font></p><table border="0" cellpadding="0" cellspacing="0"><tr><td style="vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;"><sup style="font-size:6pt;vertical-align:top;">(1)</sup></p></td><td style="padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;"><font style="font-size:8pt;">This registration statement registers an aggregate of 8,500,000 shares of common stock, par value $0.01 per share (the &#8220;Common Stock&#8221;), of Archrock, Inc. that may be delivered with respect to awards under the Archrock, Inc. 2020 Stock Incentive Plan (the &#8220;Plan&#8221;).</font></p></td></tr></table><table border="0" cellpadding="0" cellspacing="0"><tr><td style="vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;"><sup style="font-size:6pt;vertical-align:top;">(2)</sup></p></td><td style="padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;"><font style="font-size:8pt;">Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;), there are also being registered such additional shares of Common Stock as may become issuable pursuant to the adjustment provisions of the Plan.</font></p></td></tr></table><table border="0" cellpadding="0" cellspacing="0"><tr><td style="vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;"><p style="border-bottom-style:none;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;padding-bottom:0pt;"><sup style="font-size:6pt;vertical-align:top;">(3)</sup></p></td><td style="padding:0pt;"><p style="border-bottom-style:none;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;padding-bottom:0pt;"><font style="font-size:8pt;">Estimated solely for purposes of calculating the registration fee in accordance with Rules 457(c) and 457(h) under the Securities Act. The price for the 8,500,000 shares of Common Stock being registered hereby is based on a price of $4.43 per share, which is the average high and low trading prices per share of Common Stock as reported by the New York Stock Exchange on May 7, 2020.</font></p></td></tr></table><div style="padding-bottom:1.0px;border-bottom:3.0pt solid #000000;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-bottom:1pt;padding-left:18pt;text-indent:-18pt;border-bottom:1.0pt solid #000000;margin:0pt;"><font style="font-size:4pt;visibility:hidden;">&#8203;</font></p></div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:2pt;visibility:hidden;">&#8203;</font></p><p style="display:none;font-family:'Times New Roman';font-size:10pt;line-height:0pt;margin:0pt;"><font style="font-size:0pt;line-height:1.19;visibility:hidden;">&#8203;</font></p></div><div style="clear:both;display:table;margin-bottom:28.8pt;min-height:21.6pt;width:100%;"><div style="display:table-cell;vertical-align:bottom;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:8pt;visibility:hidden;">&#8203;</font></p></div></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-bottom:30pt;margin-left:5.88%;margin-right:5.88%;margin-top:30pt;page-break-after:always;width:88.24%;border-width:0;"><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><div style="font-family:'Times New Roman';font-size:10pt;font-weight:bold;line-height:1.19;margin-bottom:0pt;margin-left:0pt;text-align:center;text-indent:0pt;text-transform:uppercase;"><b>EXPLANATORY NOTE<br>REGISTRATION OF ADDITIONAL SECURITIES</b></div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">This Registration Statement on Form S-8 (&#8220;Registration Statement&#8221;) is being filed by Archrock, Inc., a Delaware corporation (the &#8220;Registrant&#8221;), for the purpose of registering 8,500,000 shares of common stock (the &#8220;Common Stock&#8221;) for issuance under the Archrock, Inc. 2020 Stock Incentive Plan (the &#8220;Plan&#8221;).</p><div style="font-family:'Times New Roman';font-size:10pt;font-weight:bold;line-height:1.19;margin-bottom:0pt;margin-left:0pt;text-align:center;text-indent:0pt;text-transform:uppercase;"><b>PART I<br>INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</b></div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">The Registrant will send or give the documents containing the information specified in Part I of Form S-8 to the Plan participants as specified by the Securities and Exchange Commission Rule 428(b)(1) under the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;). The Registrant does not need to file these documents with the Securities and Exchange Commission (the &#8220;Commission&#8221;) either as a part of the Registration Statement or as prospectuses or prospectus supplements under Rule 424 of the Securities Act.</p><div style="font-family:'Times New Roman';font-size:10pt;font-weight:bold;line-height:1.19;margin-bottom:0pt;margin-left:0pt;text-align:center;text-indent:0pt;text-transform:uppercase;"><b>PART II<br>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</b></div><div style="font-family:'Times New Roman';font-size:10pt;font-weight:bold;line-height:1.19;margin-bottom:10pt;margin-left:0pt;margin-top:10pt;text-indent:0pt;">Item 3. Incorporation of Documents by Reference.</div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">The Registrant hereby incorporates by reference into this Registration Statement the following documents previously filed with the Commission:</p><table border="0" cellpadding="0" cellspacing="0"><tr><td style="width:36pt;padding:0pt;"></td><td style="vertical-align:text-top;white-space:nowrap;width:36pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:10pt;margin-top:10pt;">(a)</p></td><td style="padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:10pt;margin-top:10pt;">The Registrant&#8217;s Annual Report on Form <a href="http://www.sec.gov/Archives/edgar/data/1389050/000138905020000028/a201910karoc.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">10-K</font></a> for the fiscal year ended December 31, 2019, filed with the Commission on February 21, 2020, pursuant to Section 13 of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;)&#894;</p></td></tr></table><table border="0" cellpadding="0" cellspacing="0"><tr><td style="width:36pt;padding:0pt;"></td><td style="vertical-align:text-top;white-space:nowrap;width:36pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:10pt;margin-top:10pt;">(b)</p></td><td style="padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:10pt;margin-top:10pt;">The Registrant&#8217;s Quarterly Report on Form <a href="http://www.sec.gov/Archives/edgar/data/1389050/000138905020000054/aroc-20200331x10q.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">10-Q</font></a> for the quarter ended March 31, 2020, filed with the Commission on May 5, 2020&#894;</p></td></tr></table><table border="0" cellpadding="0" cellspacing="0"><tr><td style="width:36pt;padding:0pt;"></td><td style="vertical-align:text-top;white-space:nowrap;width:36pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:10pt;margin-top:10pt;">(c)</p></td><td style="padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:10pt;margin-top:10pt;">The Registrant&#8217;s Current Reports on Form 8-K filed with the Commission on <a href="http://www.sec.gov/Archives/edgar/data/1389050/000138905020000017/a202002068karoc.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">February 6, 2020</font></a>, <a href="http://www.sec.gov/Archives/edgar/data/1389050/000138905020000019/a202002118karoc.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">February 11, 2020</font></a>, <a href="http://www.sec.gov/Archives/edgar/data/1389050/000110465920023685/tm209633d1_8k.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">February 21, 2020</font></a>, <a href="http://www.sec.gov/Archives/edgar/data/1389050/000138905020000041/aroc-20200424x8k.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">April 30, 2020</font></a> and <a href="http://www.sec.gov/Archives/edgar/data/1389050/000138905020000056/aroc-20200430x8k.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">May 5, 2020</font></a>, only to the extent that the items therein are specifically stated to be &#8220;filed&#8221; rather than &#8220;furnished&#8221; for the purposes of Section 18 of the Exchange Act&#894; and</p></td></tr></table><table border="0" cellpadding="0" cellspacing="0"><tr><td style="width:36pt;padding:0pt;"></td><td style="vertical-align:text-top;white-space:nowrap;width:36pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:10pt;margin-top:10pt;">(d)</p></td><td style="padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:10pt;margin-top:10pt;">The description of the Registrant&#8217;s Common Stock contained in the Registrant&#8217;s Current Report on Form <a href="http://www.sec.gov/Archives/edgar/data/1389050/000095012907004154/h49328be8vk12b.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">8-K</font></a>, filed with the Commission on August 20, 2007, including all amendments and reports filed for the purpose of updating that description.</p></td></tr></table><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">All documents subsequently filed (other than the portions of those documents furnished or otherwise not deemed to be filed) by the Registrant pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act prior to the filing of a post-effective amendment to this Registration Statement which indicates that all securities offered hereby have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference in this Registration Statement and to be a part hereof from the date of filing of such documents.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Any statement contained herein or in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement contained herein or in any other subsequently filed document which also is or is deemed to be incorporated by reference herein modifies or supersedes such earlier statement. Any such statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.</p><div style="font-family:'Times New Roman';font-size:10pt;font-weight:bold;line-height:1.19;margin-bottom:10pt;margin-left:0pt;margin-top:10pt;text-indent:0pt;">Item 4. Description of Securities.</div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Not applicable.</p></div><div style="clear:both;display:table;margin-bottom:30pt;min-height:36pt;width:100%;"><div style="display:table-cell;vertical-align:bottom;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">1</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:8pt;visibility:hidden;">&#8203;</font></p></div></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-bottom:30pt;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:always;width:76.47%;border-width:0;"><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><div style="font-family:'Times New Roman';font-size:10pt;font-weight:bold;line-height:1.19;margin-bottom:10pt;margin-left:0pt;margin-top:0pt;text-indent:0pt;">Item 5. Interests of Named Experts and Counsel.</div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Not applicable.</p><div style="font-family:'Times New Roman';font-size:10pt;font-weight:bold;line-height:1.19;margin-bottom:10pt;margin-left:0pt;margin-top:10pt;text-indent:0pt;">Item 6. Indemnification of Directors and Officers.</div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Set forth below is a description of certain provisions of (i) the Delaware General Corporation Law (the &#8220;DGCL&#8221;), (ii) the Registrant&#8217;s Restated Certificate of Incorporation (the &#8220;Certificate of Incorporation&#8221;), (iii) the Registrant&#8217;s Third Amended and Restated Bylaws (as amended, the &#8220;Bylaws&#8221;) and (iv) indemnification agreements the Registrant has entered into with its directors and certain executive officers (the &#8220;Indemnification Agreements&#8221;). This description is intended as a summary only and is qualified in its entirety by reference to the DGCL, the Certificate of Incorporation, the Bylaws and the Indemnification Agreements.</p><p style="font-family:'Times New Roman';font-size:10pt;font-style:italic;font-weight:bold;line-height:1.19;text-indent:0pt;margin:10pt 0pt 10pt 0pt;">Delaware General Corporation Law</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Section 145 of the DGCL provides that a corporation may indemnify any person who was or is a party or is threatened to be made a party to any threatened, pending or completed action, suit or proceeding, whether civil, criminal, administrative or investigative (other than an action by or in the right of the corporation) by reason of the fact that the person is or was a director, officer, employee or agent of the corporation, or is or was serving at the request of the corporation as a director, officer, employee or agent of another corporation, partnership or other enterprise, against all expenses (including attorneys&#8217; fees), judgments, fines and amounts paid in settlement actually and reasonably incurred by them in connection with such action, suit or proceeding if he or she acted in good faith and in a manner he or she reasonably believed to be in or not opposed to the best interest of the corporation and, with respect to any criminal action or proceeding, if he or she had no reasonable cause to believe their conduct was unlawful. Section 145 further provides that a corporation similarly may indemnify any such person serving in any such capacity who was or is a party or is threatened to be made a party to any threatened, pending or completed action or suit by or in the right of the corporation to procure a judgment in its favor, against expenses (including attorneys&#8217; fees) actually and reasonably incurred in connection with the defense or settlement of the action or suit if he or she acted in good faith and in a manner he or she reasonably believed to be in or not opposed to the best interests of the corporation, except that no indemnification may be made against expenses in respect of any claim, issue or matter as to which such person shall have been adjudged to be liable to the corporation, unless and only to the extent that the court in which such action or suit was brought shall determine upon application that, despite the adjudication of liability but in view of all the circumstances of the case, such person is fairly and reasonably entitled to indemnity for such expenses which such court shall deem proper.</p><p style="font-family:'Times New Roman';font-size:10pt;font-style:italic;font-weight:bold;line-height:1.19;text-indent:0pt;margin:10pt 0pt 10pt 0pt;">Certificate of Incorporation</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Article Eight of the Certificate of Incorporation provides that a director of the Registrant shall not be personally liable to the Registrant or its stockholders for monetary damages for breach of fiduciary duty as a director, except for liability (i) for any breach of the director&#8217;s duty of loyalty to the Registrant or its stockholders, (ii) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (iii) under Section 174 of the DGCL, or (iv) for any transaction from which the director derived an improper personal benefit. If the DGCL is amended to authorize corporate action further eliminating or limiting the personal liability of directors, then the liability of a director of the Registrant shall be eliminated or limited to the fullest extent permitted by the DGCL as so amended. Any repeal or modification of Article Eight of the Bylaws by the stockholders shall not adversely affect any right or protection of a director of the Registrant existing at the time of such repeal or modification.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Article Nine of the Certificate of Incorporation provides that the Registrant will indemnify and advance expenses to each director and officer of the Registrant as provided in the Bylaws and may indemnify and advance expenses to each employee and agent of the Registrant, and all other persons whom the Registrant is authorized to indemnify under the provisions of the DGCL, as provided in the Bylaws.</p></div><div style="clear:both;display:table;margin-bottom:30pt;min-height:36pt;width:100%;"><div style="display:table-cell;vertical-align:bottom;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">2</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:8pt;visibility:hidden;">&#8203;</font></p></div></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-bottom:30pt;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:always;width:76.47%;border-width:0;"><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman';font-size:10pt;font-style:italic;font-weight:bold;line-height:1.19;text-indent:0pt;margin:0pt 0pt 10pt 0pt;">Bylaws</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">The Bylaws provide that the Registrant will indemnify to the fullest extent permitted by Delaware law, including the DGCL as described above, any person who was or is a party or is threatened to be made a party to, or is otherwise involved in, any threatened, pending or completed action, suit or proceeding, whether civil, criminal, administrative or investigative (whether or not an action by or in right of the Registrant) (hereinafter a &#8220;proceeding&#8221;), by reason of the fact that he or she is or was a director or officer of the Registrant, or, while serving as a director or officer of the Registrant, is or was serving at the Registrant&#8217;s request as a director, officer, employee or agent of another entity, or by reason of any action alleged to have been taken or omitted in such capacity against all expense, liability and loss (including attorneys&#8217; fees) reasonably incurred or suffered. However, except with respect to certain proceedings to enforce rights to indemnification as described below, the Registrant will indemnify any such officer or director in connection with a proceeding initiated by that officer or director only if the proceeding was authorized by the Registrant&#8217;s board of directors.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">This right to indemnification also includes the right to be paid in advance expenses (including attorneys&#8217; fees) incurred in defending any such proceeding to the fullest extent permitted by Delaware law. However, if the DGCL requires an advancement of expenses incurred by an officer or director in his or her capacity as such (and not in any other capacity in which service was or is rendered), the Registrant will advance expenses only upon delivery to it of an undertaking by or on behalf of the officer or director, to repay all amounts advanced if it is ultimately determined by final judicial decision from which there is no further right to appeal that the officer or director is not entitled to be indemnified for expenses incurred.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">In any suit brought by an officer or director to enforce a right to indemnification or in any suit brought by the Registrant to recover an advancement of expenses pursuant to the terms of an undertaking, as described in the paragraph above, if the officer or director is successful, in whole or in part, he or she is entitled to be paid the expense of prosecuting or defending the suit.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">The Bylaws further provide that the Registrant may indemnify any person who was or is a party or is threatened to be made a party to any threatened, pending or completed action, suit or proceeding, whether civil, criminal, administrative or investigative (whether or not an action by or in right of the Registrant) by reason of the fact that the person is or was an employee (other than an officer) or agent of the Registrant, or, while serving as an employee (other than an officer) or agent of the Registrant, is or was serving at the Registrant&#8217;s request as a director, officer, employee or agent of another entity, to the extent (i) permitted by Delaware law, and (ii) authorized in the sole discretion of the Registrant&#8217;s Chief Executive Officer and at least one other of the following officers of the Registrant: the President, the Chief Financial Officer, or the General Counsel. The Registrant may, to the extent permitted by Delaware law and authorized as described in (ii) of the preceding sentence, pay expenses (including attorneys&#8217; fees) reasonably incurred by any employee or agent of the Registrant in defending any proceeding in advance of the final disposition, upon terms and conditions that the officer authorizing such expense advancement may determine in his or her sole discretion.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">The rights and authority relating to indemnification conferred by the Bylaws are not exclusive of any other right that any person seeking indemnification or advancement of expenses from the Registrant may have or acquire.</p><p style="font-family:'Times New Roman';font-size:10pt;font-style:italic;font-weight:bold;line-height:1.19;text-indent:0pt;margin:10pt 0pt 10pt 0pt;">Indemnification Agreements</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Under the Indemnification Agreements the Registrant has agreed to advance expenses to, and indemnify, each of its directors and executive officers to the fullest extent allowed under applicable law. Each Indemnification Agreement also establishes guidelines as to the defense and settlement of claims by the parties. The Indemnification Agreements do not expand the indemnification of the directors and officers beyond the maximum permitted by the DGCL.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Notwithstanding the foregoing, the following are generally excluded from coverage under the Indemnification Agreements:</p><div style="margin-top:10pt;"></div><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:10pt;margin-top:0pt;table-layout:fixed;width:100%;border:0pt;"><tr><td style="width:36pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">claims covered by any insurance or other indemnity provisions&#894;</font></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:10pt;margin-top:10pt;table-layout:fixed;width:100%;border:0pt;"><tr><td style="width:36pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">liability under Section 16(b) of the Securities Act&#894; and</font></td></tr></table></div><div style="clear:both;display:table;margin-bottom:30pt;min-height:36pt;width:100%;"><div style="display:table-cell;vertical-align:bottom;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">3</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:8pt;visibility:hidden;">&#8203;</font></p></div></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-bottom:30pt;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:always;width:76.47%;border-width:0;"><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:10pt;table-layout:fixed;width:100%;border:0pt;"><tr><td style="width:36pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">proceedings initiated by the putative indemnitee without prior approval of our board of directors (other than proceedings brought to enforce an indemnitee&#8217;s rights under his or her indemnification agreement).</font></td></tr></table><div style="margin-top:10pt;"></div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">The Registrant also provides insurance pursuant to which its directors and officers will be indemnified or insured against liability or loss asserted against them in their capacities as directors or officers or arising out of that status. This insurance is subject to various deductibles and exclusions from coverage.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><b style="font-weight:bold;">Item 7. Exemption from Registration Claimed.</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Not applicable.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><b style="font-weight:bold;">Item 8. Exhibits.</b></p><div align="left"><table style="border-collapse:collapse;font-size:16pt;width:100%;"><tr style="height:1pt;"><th style="font-weight:normal;text-align:left;vertical-align:bottom;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></th><th style="font-weight:normal;text-align:left;vertical-align:bottom;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></th></tr><tr><th style="font-weight:normal;text-align:left;vertical-align:bottom;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-bottom:1pt;border-bottom:1px solid #000000;margin:0pt 0pt 10pt 0pt;"><b style="font-weight:bold;">Exhibit Number</b></p></th><th style="font-weight:normal;text-align:left;vertical-align:bottom;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-bottom:1pt;border-bottom:1px solid #000000;margin:0pt 0pt 10pt 0pt;"><b style="font-weight:bold;">Description</b></p></th></tr><tr><td style="vertical-align:top;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;">3.1</p></td><td style="vertical-align:top;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><a href="http://www.sec.gov/Archives/edgar/data/1389050/000095012907004154/h49328bexv3w1.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Restated Certificate of Incorporation of Exterran Holdings, Inc. (now Archrock, Inc.), incorporated by reference to Exhibit 3.1 of the Registrant&#8217;s Current Report on Form 8-K filed on August 20, 2007.</font></a></p></td></tr><tr><td style="vertical-align:top;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;">3.2</p></td><td style="vertical-align:top;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><a href="http://www.sec.gov/Archives/edgar/data/1389050/000110465915076309/a15-22362_1ex3d1.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Certificate of Amendment to Certificate of Incorporation of Exterran Holdings, Inc. (now Archrock, Inc.), incorporated by reference to Exhibit 3.1 to the Registrant&#8217;s Current Report on Form 8-K filed on November 5, 2015.</font></a></p></td></tr><tr><td style="vertical-align:top;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;">3.3</p></td><td style="vertical-align:top;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><a href="http://www.sec.gov/Archives/edgar/data/1389050/000138905016000047/aroc-20151231xex33.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Composite Certificate of Incorporation of Archrock, Inc., incorporated by reference to Exhibit 3.3 of the Registrant&#8217;s Annual Report on Form 10-K filed on (as amended as of November 3, 2015) February 29, 2016.</font></a></p></td></tr><tr><td style="vertical-align:top;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;">3.4</p></td><td style="vertical-align:top;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><a href="http://www.sec.gov/Archives/edgar/data/1389050/000110465913022565/a13-7967_1ex3d1.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Third Amended and Restated Bylaws of Exterran Holdings, Inc. (now Archrock, Inc.), incorporated by reference to Exhibit 3.1 of the Registrant&#8217;s Current Report on Form 8-K filed on March 20, 2013.</font></a></p></td></tr><tr><td style="vertical-align:top;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;">3.5</p></td><td style="vertical-align:top;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><a href="http://www.sec.gov/Archives/edgar/data/1389050/000138905020000056/aroc-20200430ex318a43b14.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Amendment No. 1 to Third Amended and Restated Bylaws of Archrock, Inc. incorporated by reference to Exhibit 3.1 to the Registrant&#8217;s Current Report on Form 8-K filed on May 5, 2020.</font></a></p></td></tr><tr><td style="vertical-align:top;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">4.1</p></td><td style="vertical-align:top;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><a href="http://www.sec.gov/Archives/edgar/data/1389050/000114036120006037/nc10009118_def14a.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Archrock, Inc. 2020 Employee Stock Incentive Plan, incorporated by reference to Annex A to the Registrant&#8217;s Definitive Proxy Statement on Schedule 14A, filed March 17, 2020.</font></a></p></td></tr><tr><td style="vertical-align:top;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;">5.1*</p></td><td style="vertical-align:top;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><a href="aroc-20200514ex513903266.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Opinion of Latham &amp; Watkins LLP as to the legality of the securities being registered.</font></a> </p></td></tr><tr><td style="vertical-align:top;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;">23.1*</p></td><td style="vertical-align:top;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><a href="aroc-20200514ex231ba3aec.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Consent of Deloitte &amp; Touche LLP.</font></a></p></td></tr><tr><td style="vertical-align:top;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;">23.2*</p></td><td style="vertical-align:top;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><a href="aroc-20200514ex513903266.htm"><font style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Consent of Latham &amp; Watkins LLP (contained in Exhibit 5.1 hereto).</font></a> </p></td></tr><tr><td style="vertical-align:top;width:9.91%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;">24.1*</p></td><td style="vertical-align:top;width:90.08%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;">Powers of Attorney (included on the signature page hereof).</p></td></tr></table></div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 10pt 0pt;"><font style="display:inline-block;text-indent:0pt;width:36pt;"><font style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">*</font></font>Filed herewith.</p><div style="font-family:'Times New Roman';font-size:10pt;font-weight:bold;line-height:1.19;margin-bottom:10pt;margin-left:0pt;margin-top:10pt;text-indent:0pt;">Item 9. Undertakings.</div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;"><font style="display:inline-block;text-indent:0pt;width:36pt;"><font style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">(a)</font></font>The undersigned Registrant hereby undertakes:</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:76.5pt;margin:10pt 0pt 10pt -4.5pt;"><font style="display:inline-block;text-indent:0pt;width:36pt;"><font style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">(1)</font></font>To file, during any period in which offers or sales are being made, a post-effective amendment to this Registration Statement:</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:72pt;margin:10pt 0pt 10pt 36pt;">(i)<font style="display:inline-block;width:26.56pt;"></font>To include any prospectus required by Section 10(a)(3) of the Securities Act&#894;</p></div><div style="clear:both;display:table;margin-bottom:30pt;min-height:36pt;width:100%;"><div style="display:table-cell;vertical-align:bottom;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">4</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:8pt;visibility:hidden;">&#8203;</font></p></div></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-bottom:30pt;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:always;width:76.47%;border-width:0;"><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:72pt;margin:0pt 0pt 10pt 36pt;">(ii)<font style="display:inline-block;width:23.78pt;"></font>To reflect in the prospectus any facts or events arising after the effective date of the Registration Statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the Registration Statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of a prospectus filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than a 20% change in the maximum aggregate offering price set forth in the &#8220;Calculation of Registration Fee&#8221; table in the effective registration statement&#894; and</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:72pt;margin:10pt 0pt 10pt 36pt;">(iii)<font style="display:inline-block;width:21pt;"></font>To include any material information with respect to the plan of distribution not previously disclosed in the Registration Statement or any material change to such information in the Registration Statement&#894; <i style="font-style:italic;">provided</i>, <i style="font-style:italic;">however</i>, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the information required to be included in a post-effective amendment by those paragraphs is contained in periodic reports filed with or furnished to the Commission by the Registrant pursuant to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in this Registration Statement.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:76.5pt;margin:10pt 0pt 10pt -4.5pt;"><font style="display:inline-block;text-indent:0pt;width:36pt;"><font style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">(2)</font></font>That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial <i style="font-style:italic;">bona fide </i>offering thereof.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:76.5pt;margin:10pt 0pt 10pt -4.5pt;"><font style="display:inline-block;text-indent:0pt;width:36pt;"><font style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">(3)</font></font>To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;"><font style="display:inline-block;text-indent:0pt;width:36pt;"><font style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">(b)</font></font>The undersigned Registrant hereby undertakes that, for purposes of determining any liability under the Securities Act, each filing of the Registrant&#8217;s annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan&#8217;s annual report pursuant to Section 15(d) of the Exchange Act) that is incorporated by reference in the Registration Statement shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial <i style="font-style:italic;">bona fide </i>offering thereof.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;"><font style="display:inline-block;text-indent:0pt;width:36pt;"><font style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">(h)</font></font>Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the Commission such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless, in the opinion of its counsel, the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.</p></div><div style="clear:both;display:table;margin-bottom:30pt;min-height:36pt;width:100%;"><div style="display:table-cell;vertical-align:bottom;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">5</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:8pt;visibility:hidden;">&#8203;</font></p></div></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-bottom:30pt;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:always;width:76.47%;border-width:0;"><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><div style="font-family:'Times New Roman';font-size:10pt;font-weight:bold;line-height:1.19;margin-bottom:0pt;margin-left:0pt;text-align:center;text-indent:0pt;text-transform:uppercase;">SIGNATURES</div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Houston, State of Texas, on May 14, 2020.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><div><table style="border-collapse:collapse;font-size:16pt;margin-left:auto;margin-right:auto;padding-left:0pt;padding-right:0pt;width:100%;" align="center"><tr style="height:1pt;"><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></div></div></td><td style="vertical-align:top;width:3.84%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></div></div></td><td style="vertical-align:top;width:6.73%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></div></div></td><td style="vertical-align:top;width:39.42%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></div></div></td></tr><tr><td style="background-color:auto;vertical-align:top;width:50%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></td><td colspan="3" style="background-color:auto;vertical-align:top;width:50%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><b style="font-weight:bold;">ARCHROCK, INC.</b></p></td></tr><tr><td style="background-color:auto;vertical-align:top;width:50%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></td><td colspan="3" style="background-color:auto;vertical-align:top;width:50%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></td></tr><tr><td style="background-color:auto;vertical-align:top;width:50%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></td><td style="background-color:auto;vertical-align:top;width:3.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;">By:</p></td><td colspan="2" style="background-color:auto;vertical-align:top;width:46.15%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;">/s/ Douglas S. Aron</p></td></tr><tr><td style="background-color:auto;vertical-align:top;width:50%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></td><td style="background-color:auto;vertical-align:top;width:3.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></td><td colspan="2" style="background-color:auto;vertical-align:top;width:46.15%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;">Douglas S. Aron</p></td></tr><tr><td style="background-color:auto;vertical-align:top;width:50%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></td><td style="background-color:auto;vertical-align:top;width:3.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></td><td colspan="2" style="background-color:auto;vertical-align:top;width:46.15%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:justify;margin:0pt;">Senior Vice President and Chief Financial Officer</p></td></tr></table></div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><div style="font-family:'Times New Roman';font-size:10pt;font-weight:bold;line-height:1.19;margin-bottom:0pt;margin-left:0pt;text-align:center;text-indent:0pt;text-transform:uppercase;">POWER OF ATTORNEY</div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;"><b style="font-weight:bold;">KNOW ALL PERSONS BY THESE PRESENTS</b>, that each person whose signature appears below constitutes and appoints D. Bradley Childers, Douglas S. Aron and Stephanie C. Hildebrandt and each of them severally as his or her true and lawful attorneys-in-fact and agents, with power to act, with or without the other, in connection with this registration statement, including to sign and file in the name and on behalf of the undersigned as director or officer of the registrant any and all amendments or supplements (including post-effective amendments) to this registration statement and any and all additional registration statements, and any and all amendments thereto, relating to the same offering of securities as those that are covered by this registration statement that are filed pursuant to Rule 462(b) promulgated under the Securities Act of 1933, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Commission, granting unto said attorneys-in-fact full power and authority to do and perform each and every act and anything appropriate or necessary to be done, as fully and for all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact may lawfully do or cause to be done by virtue hereof.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:10pt 0pt 10pt 0pt;">Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed below by the following persons in the capacities indicated on May 14, 2020.</p><div align="left"><table style="border-collapse:collapse;font-size:16pt;width:100%;"><tr style="height:1pt;"><th style="font-weight:normal;text-align:left;vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></th><th style="font-weight:normal;text-align:left;vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></th></tr><tr><th style="font-weight:normal;text-align:left;vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-bottom:1pt;text-align:center;border-bottom:1px solid #000000;margin:0pt;"><b style="font-weight:bold;">Name</b></p></th><th style="font-weight:normal;text-align:left;vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-bottom:1pt;text-align:center;border-bottom:1px solid #000000;margin:0pt;"><b style="font-weight:bold;">Title</b></p></th></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ D. Bradley Childers</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt 0pt 10pt 0pt;">D. Bradley Childers</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">President, Chief Executive Officer and Director<br>(Principal Executive Officer)</p></td></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ Douglas S. Aron</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt 0pt 10pt 0pt;">Douglas S. Aron</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">Senior Vice President and Chief Financial Officer (Principal Financial Officer)</p></td></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ Donna A. Henderson</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt 0pt 10pt 0pt;">Donna A. Henderson</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">Vice President and Chief Accounting Officer<br>(Principal Accounting Officer)</p></td></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ Anne-Marie N. Ainsworth</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt 0pt 10pt 0pt;">Anne-Marie N. Ainsworth</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">Director</p></td></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ Wendell R. Brooks</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt 0pt 10pt 0pt;">Wendell R. Brooks</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">Director</p></td></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ Gordon T. Hall</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt 0pt 10pt 0pt;">Gordon T. Hall</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">Director</p></td></tr></table></div></div><div style="clear:both;display:table;margin-bottom:30pt;min-height:36pt;width:100%;"><div style="display:table-cell;vertical-align:bottom;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">6</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:8pt;visibility:hidden;">&#8203;</font></p></div></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-bottom:30pt;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:always;width:76.47%;border-width:0;"><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><div align="left"><table style="border-collapse:collapse;font-size:16pt;width:100%;"><tr style="height:1pt;"><th style="font-weight:normal;text-align:left;vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></th><th style="font-weight:normal;text-align:left;vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></th></tr><tr><th style="font-weight:normal;text-align:left;vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-bottom:1pt;text-align:center;border-bottom:1px solid #000000;margin:0pt;"><b style="font-weight:bold;">Name</b></p></th><th style="font-weight:normal;text-align:left;vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-bottom:1pt;text-align:center;border-bottom:1px solid #000000;margin:0pt;"><b style="font-weight:bold;">Title</b></p></th></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ Frances Powell Hawes</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt 0pt 10pt 0pt;">Frances Powell Hawes</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">Director</p></td></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ Jeffery D. Hildebrand</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt 0pt 10pt 0pt;">Jeffery D. Hildebrand</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">Director</p></td></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ J.W.G. Honeybourne</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt 0pt 10pt 0pt;">J.W.G. Honeybourne</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">Director</p></td></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ James H. Lytal</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt 0pt 10pt 0pt;">James H. Lytal</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">Director</p></td></tr><tr><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">/s/ Edmund P. Segner, III</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-top:1pt;text-align:center;border-top:1px solid #000000;margin:0pt;">Edmund P. Segner, III</p></td><td style="vertical-align:top;width:50%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:6pt 0pt 0pt 0pt;">Director</p></td></tr></table></div><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></div><div style="clear:both;display:table;margin-bottom:30pt;min-height:36pt;width:100%;"><div style="display:table-cell;vertical-align:bottom;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">7</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><font style="font-size:8pt;visibility:hidden;">&#8203;</font></p></div></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:avoid;width:76.47%;border-width:0;"></body></html>
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<!--Enhanced HTML document created with Toppan Merrill Bridge  9.5.0.55--><!--Created on: 5/14/2020 08:24:51 PM (UTC)--><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta charset="UTF-8"><title>AROC - Form S-8 - Exhibit 5 1 Opinion (2013 and 2017 Plans) (April 2017)</title></head><body><div style="margin-top:30pt;"></div><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="margin-top:27.35pt;min-height:44.65pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;text-align:right;margin:0pt;"><b style="font-weight:bold;">Exhibit 5.1</b></p><div style="clear:right;float:right;width:190.1pt;margin:9.35pt -26.300018pt 9.35pt 9.35pt;"><div style="left:0pt;position:relative;text-indent:0pt;top:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;width:100%;margin:0pt;"><font style="font-size:11pt;visibility:hidden;">&#8203;</font></p></div></div><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></div><div style="clear:both;max-width:100%;position:relative;"><div align="left"><table style="border-collapse:collapse;font-size:16pt;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td colspan="3" style="vertical-align:top;width:100%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td></tr><tr><td rowspan="17" style="vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><img src="aroc-20200514ex513903266002.jpg" alt="Graphic" style="display:inline-block;height:12pt;left:0%;padding-bottom:0pt;position:relative;top:0pt;width:177.75pt;"></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="font-family:'Times New Roman';font-size:12pt;line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="font-family:'Times New Roman';font-size:12pt;">May 14, 2020</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="font-family:'Times New Roman';font-size:12pt;line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="font-family:'Times New Roman';font-size:12pt;line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="font-family:'Times New Roman';font-size:12pt;line-height:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="font-family:'Times New Roman';font-size:12pt;">Archrock, Inc.</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="font-family:'Times New Roman';font-size:12pt;">9807 Katy Freeway, Suite 100</font></p><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="font-family:'Times New Roman';font-size:12pt;">Houston, Texas 77024</font></p></td><td colspan="2" style="vertical-align:top;width:34.61%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">811 Main Street, Suite 3700</p><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;"><font style="white-space:pre-wrap;">Houston, TX  77002</font></p><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;"><font style="white-space:pre-wrap;">Tel: +1.713.546.5400  Fax: +1.713.546.5401</font></p><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">www.lw.com</p><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;"><font style="font-size:11pt;visibility:hidden;">&#8203;</font></p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td colspan="2" style="vertical-align:top;width:34.61%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">FIRM / AFFILIATE OFFICES</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Beijing</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Moscow</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Boston</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Munich</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Brussels</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">New York</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Century City</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Orange County</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Chicago</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Paris</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Dubai</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Riyadh</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">D&#252;sseldorf</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">San Diego</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Frankfurt</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">San Francisco</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Hamburg</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Seoul</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Hong Kong</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Shanghai</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Houston</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Silicon Valley</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">London</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Singapore</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Los Angeles</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Tokyo</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Madrid</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Washington, D.C.</p></td></tr><tr><td style="display:none;vertical-align:top;width:65.38%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:1.19;margin:0pt;"><font style="line-height:11pt;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:11.53%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;">Milan</p></td><td style="vertical-align:top;width:23.07%;margin:0pt;padding:0pt;"><p style="font-family:'Arial';font-size:7pt;line-height:11pt;margin:0pt;"><font style="font-size:11pt;visibility:hidden;">&#8203;</font></p></td></tr></table></div><p style="font-family:'Times New Roman';font-size:12pt;padding-left:72pt;text-indent:-72pt;margin:0pt 0pt 12pt 0pt;"><font style="visibility:hidden;">&#8203;</font></p><table border="0" cellpadding="0" cellspacing="0"><tr><td style="width:36pt;padding:0pt;"></td><td style="vertical-align:text-top;white-space:nowrap;width:72pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:12pt;margin-bottom:12pt;margin-top:0pt;">Re:</p></td><td style="padding:0pt;"><p style="font-family:'Times New Roman';font-size:12pt;margin-bottom:12pt;margin-top:0pt;"><u style="text-decoration:underline;text-decoration-color:#000000;">Registration Statement on Form S-8 with respect to 8,500,000 shares of Common Stock, par value $0.01 per share, of Archrock, Inc.</u></p></td></tr></table><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt 0pt 12pt 0pt;">Ladies and Gentlemen:</p><p style="font-family:'Times New Roman';font-size:12pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">We have acted as special counsel to Archrock, Inc., a Delaware corporation (the &#8220;Company&#8221;), in connection with the registration by the Company of 8,500,000 shares of common stock, $0.01 par value per share (the &#8220;Shares&#8221;), issuable under the Archrock, Inc. 2020 Stock Incentive Plan (the &#8220;Plan&#8221;). The Shares are included in a registration statement on Form S-8 under the Securities Act of 1933, as amended (the &#8220;Act&#8221;), filed with the Securities and Exchange Commission (the &#8220;Commission&#8221;) on May 14, 2020 (the &#8220;Registration Statement&#8221;). This opinion is being furnished in connection with the requirements of Item 601(b)(5) of Regulation S-K under the Act, and no opinion is expressed herein as to any matter pertaining to the contents of the Registration Statement or related prospectus, other than as expressly stated herein with respect to the issuance of the Shares. </p><p style="font-family:'Times New Roman';font-size:12pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">As such counsel, we have examined such matters of fact and questions of law as we have considered appropriate for purposes of this letter. With your consent, we have relied upon certificates and other assurances of officers of the Company and others as to factual matters without having independently verified such factual matters. We are opining herein as to the Delaware General Corporation Law (&#8220;DGCL&#8221;), and we express no opinion with respect to the applicability thereto, or the effect thereon, of the laws of any other jurisdiction or, in the case of Delaware, any other laws, or as to any matters of municipal law or the laws of any local agencies within any state. </p><p style="font-family:'Times New Roman';font-size:12pt;text-indent:36pt;margin:0pt;">Subject to the foregoing and the other matters set forth herein, it is our opinion that, as of the date hereof, when the Shares shall have been duly registered on the books of the transfer agent and registrar therefor in the name or on behalf of the recipient, and have been issued by the </p></div><div style="clear:both;margin-bottom:27.35pt;width:100%;"><p style="font-family:'Times New Roman';font-size:12pt;margin:9pt 0pt 6pt 0pt;"><font style="visibility:hidden;">&#8203;</font></p></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-bottom:30pt;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:always;width:76.47%;border-width:0;"><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="margin-top:27.35pt;min-height:44.65pt;width:100%;"><div align="left"><table style="border-collapse:collapse;font-size:16pt;padding-left:0pt;padding-right:0pt;table-layout:auto;width:101.15%;"><tr style="height:1pt;"><td style="vertical-align:top;width:100%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Arial';font-size:7pt;line-height:8pt;margin:0pt;"><font style="font-weight:bold;">2</font></p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td></tr><tr style="height:27.2pt;"><td style="vertical-align:top;width:100%;margin:0pt;padding:0pt;"><div style="height:27.2pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Arial';font-size:7pt;line-height:8pt;margin:0pt;"><b style="font-weight:bold;">May 14, 2020</b></p><p style="font-family:'Arial';font-size:7pt;line-height:8pt;margin:0pt;"><b style="font-weight:bold;">Page </b><font style="font-weight:bold;">2</font></p></div></div></td></tr></table></div><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:12pt;margin:5.65pt 0pt 18pt 0pt;"><b style="font-weight:bold;"><img src="aroc-20200514ex513903266001.jpg" alt="LW_LLP" style="display:inline-block;height:8.15pt;left:0%;padding-bottom:0pt;position:relative;top:0pt;width:121.45pt;"></b></p></div><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt 0pt 12pt 0pt;">Company against payment therefor (not less than par value) in the circumstances contemplated by and pursuant to the Plan, and assuming in each case that the individual issuances, grants or awards under the Plan are duly authorized by all necessary corporate action of the Company and duly issued, granted or awarded and exercised in accordance with the requirements of law and the Plan (and the agreements and awards duly adopted thereunder and in accordance therewith), the issuance and sale of the Shares will have been duly authorized by all necessary corporate action of the Company, and the Shares will be validly issued, fully paid and nonassessable. In rendering the foregoing opinion, we have assumed that the Company will comply with all applicable notice requirements regarding uncertificated shares in the DGCL. </p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="display:inline-block;text-indent:0pt;width:36pt;"></font>This opinion is for your benefit in connection with the Registration Statement and may be relied upon by you and by persons entitled to rely upon it pursuant to the applicable provisions of the Act. We consent to your filing this opinion as an exhibit to the Registration Statement. In giving such consent, we do not thereby admit that we are in the category of persons whose consent is required under Section 7 of the Act or the rules and regulations of the Commission thereunder.</p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><div align="left"><table style="border-collapse:collapse;font-size:16pt;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:top;width:46.2%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td><td style="vertical-align:top;width:53.79%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td></tr><tr><td style="vertical-align:top;width:46.2%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:top;width:53.79%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;">Very truly yours,</p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;">/s/ Latham &amp; Watkins LLP</p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;">Latham &amp; Watkins LLP</p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></td></tr></table></div><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:avoid;width:76.47%;border-width:0;"></body></html>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>aroc-20200514ex231ba3aec.htm
<DESCRIPTION>EX-23.1
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<!--Enhanced HTML document created with Toppan Merrill Bridge  9.5.0.55--><!--Created on: 5/14/2020 08:24:58 PM (UTC)--><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta charset="UTF-8"><title></title></head><body><div style="margin-top:30pt;"></div><div style="max-width:100%;padding-left:14.71%;padding-right:14.71%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman';font-size:12pt;text-align:right;margin:0pt;"><font style="font-weight:bold;margin-bottom:5pt;margin-top:5pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:12pt;text-align:right;margin:14pt 0pt 0pt 0pt;"><b style="font-weight:bold;">Exhibit 23.1</b></p><p style="font-family:'Times New Roman';font-size:12pt;margin:14pt 0pt 0pt 0pt;"><font style="font-weight:bold;margin-bottom:5pt;margin-top:5pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:12pt;margin:14pt 0pt 0pt 0pt;"><b style="font-weight:bold;">CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</b></p><p style="font-family:'Times New Roman';font-size:12pt;margin:14pt 0pt 0pt 0pt;">We consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated February 21, 2020, relating to the consolidated financial statements and financial statement schedule of Archrock, Inc. and subsidiaries (the &#8220;Company&#8221;), and the effectiveness of the Company&#8217;s internal control over financial reporting, appearing in the Annual Report on Form 10-K of Archrock, Inc. for the year ended December 31, 2019. </p><p style="font-family:'Times New Roman';font-size:12pt;margin:14pt 0pt 0pt 0pt;">/s/<i style="font-style:italic;"> Deloitte &amp; Touche LLP</i><br><font style="margin-bottom:5pt;margin-top:5pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;">Houston, TX</p><p style="font-family:'Times New Roman';font-size:12pt;margin:0pt;">May 14, 2020</p></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-left:14.71%;margin-right:14.71%;margin-top:30pt;page-break-after:avoid;width:70.59%;border-width:0;"></body></html>
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</SEC-DOCUMENT>
