<SEC-DOCUMENT>0001683168-18-001872.txt : 20180705
<SEC-HEADER>0001683168-18-001872.hdr.sgml : 20180705
<ACCEPTANCE-DATETIME>20180705105359
ACCESSION NUMBER:		0001683168-18-001872
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20180705
DATE AS OF CHANGE:		20180705

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PAM TRANSPORTATION SERVICES INC
		CENTRAL INDEX KEY:			0000798287
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		IRS NUMBER:				710633135
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-39193
		FILM NUMBER:		18939785

	BUSINESS ADDRESS:	
		STREET 1:		297 WEST HENRI DE TONTI BLVD
		CITY:			TONTITOWN
		STATE:			AR
		ZIP:			72770
		BUSINESS PHONE:		4793619111

	MAIL ADDRESS:	
		STREET 1:		297 WEST HENRI DE TONTI BLVD
		CITY:			TONTITOWN
		STATE:			AR
		ZIP:			72770

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MOROUN MATTHEW T
		CENTRAL INDEX KEY:			0001030743
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	MAIL ADDRESS:	
		STREET 1:		12225 STEPHENS ROAD
		CITY:			WARREN
		STATE:			MI
		ZIP:			48089
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>pam_13da10.htm
<TEXT>
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<P STYLE="margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>UNITED
STATES</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>SECURITIES
AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>SCHEDULE
13D/A<BR>
Under the Securities Exchange Act of 1934</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>(Amendment
No. 10)*</B></FONT></P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 12pt">P.A.M.
TRANSPORTATION SERVICES, INC.</FONT></P>

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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name of Issuer)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>COMMON STOCK, PAR VALUE $0.01 PER
SHARE</B></P>

<!-- Field: Rule-Page --><DIV ALIGN="CENTER" STYLE="margin-top: 3pt; margin-bottom: 3pt"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid; width: 75%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Title of Class of Securities)</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">693149-10-6</P>

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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(CUSIP Number)</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">MATTHEW T. MOROUN</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">12225 STEPHENS ROAD</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WARREN, MI 48089</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(586) 939-7000</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Copy to:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>Edwin
J. Lukas</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>CenTra,
Inc.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>12225
Stephens Road</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WARREN, MI 48089</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(586) 939-7000</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name, Address and Telephone Number of Person
Authorized<BR>
to Receive Notices and Communications)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">June 12, 2018</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Date of Event which Requires Filing of
this Statement)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt">If the filing person has previously
filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule
because of Rules 13d-1(e), 13d-1(f) or 13d-1(g), check the following box. </FONT>[_]</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Note</B>: Schedules filed in paper format shall include a
signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to
be sent.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">* The remainder of this cover page shall be filled out for a
reporting person&rsquo;s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment
containing information which would alter disclosures provided in a prior cover page.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The information required on the remainder of this cover page
shall not be deemed to be &ldquo;filed&rdquo; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&ldquo;Act&rdquo;)
or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however,
see the Notes).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in">CUSIP No. 693149-10-6</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">SCHEDULE 13D/A</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="border: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>1.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAMES OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">MATTHEW T. MOROUN</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>2.</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt">(a) </FONT>[_]</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt">(b) </FONT>[_]</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>3.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>4.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOURCE OF FUNDS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">OO SEE ITEM 3</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>5.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED<BR>
        PURSUANT TO ITEMS 2(d) OR 2(e)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">[_]</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>6.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION:</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">UNITED STATES OF AMERICA</P></TD></TR>
<TR>
    <TD COLSPAN="2" ROWSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">NUMBER OF</FONT><BR>
<FONT STYLE="font-size: 10pt">SHARES</FONT><BR>
<FONT STYLE="font-size: 10pt">BENEFICIALLY</FONT><BR>
<FONT STYLE="font-size: 10pt">OWNED BY</FONT><BR>
<FONT STYLE="font-size: 10pt">EACH</FONT><BR>
<FONT STYLE="font-size: 10pt">REPORTING</FONT><BR>
<FONT STYLE="font-size: 10pt">PERSON</FONT><BR>
<BR>
</TD>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>7.</B></FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">912,560*</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>8.</B></FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">2,992,000**</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>9.</B></FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">912,560*</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>10.</B></FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">2,992,000**</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>11.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">3,904,560</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>12.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
        SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">[_]</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>13.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">64.8%</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>14.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">IN</P></TD></TR>
<TR>
    <TD STYLE="width: 6%">&nbsp;</TD>
    <TD STYLE="width: 9%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 65%">&nbsp;</TD>
    <TD STYLE="width: 15%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0pt"></TD><TD STYLE="width: 20pt; text-align: left">*</TD><TD STYLE="text-align: justify"><P STYLE="margin: 0pt 0">Consists of 912,560 shares of the Issuer&rsquo;s Common Stock owned directly by Matthew T. Moroun.</P>


</TD>
</TR></TABLE>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0pt"></TD><TD STYLE="width: 20pt; text-align: left">**</TD><TD STYLE="text-align: justify"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Consists of 2,992,000 shares of the Issuer&rsquo;s Common
                                                                                                             Stock held by the Moroun Trust, of which Mr. Matthew T. Moroun is a beneficiary and, together with Mr. Edwin J. Lukas, a
                                                                                                             co-trustee.</P>


</TD>
</TR></TABLE>



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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in">CUSIP No. 693149-10-6</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">SCHEDULE
13D/A</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="vertical-align: top; border: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>1.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="vertical-align: top; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAMES OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">EDWIN J. LUKAS</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>2.</B></FONT></TD>
    <TD COLSPAN="3" STYLE="vertical-align: top; border-bottom: Black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt">(a) </FONT>[_]</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt">(b) </FONT>[_]</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>3.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>4.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOURCE OF FUNDS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">OO SEE ITEM 3</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>5.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><BR>
        PURSUANT TO ITEMS 2(d) OR 2(e)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">[_]</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>6.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION:</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">UNITED STATES OF AMERICA</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD COLSPAN="2" ROWSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">NUMBER OF</FONT><BR>
<FONT STYLE="font-size: 10pt">SHARES</FONT><BR>
<FONT STYLE="font-size: 10pt">BENEFICIALLY</FONT><BR>
<FONT STYLE="font-size: 10pt">OWNED BY</FONT><BR>
<FONT STYLE="font-size: 10pt">EACH</FONT><BR>
<FONT STYLE="font-size: 10pt">REPORTING</FONT><BR>
<FONT STYLE="font-size: 10pt">PERSON</FONT><BR>
<BR>
</TD>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>7.</B></FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">0</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>8.</B></FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">2,992,000**</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>9.</B></FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">0</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>10.</B></FONT></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">2,992,000**</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>11.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">2,992,000**</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>12.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
        SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">[_]</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>13.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">49.6%</P></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>14.</B></FONT></TD>
    <TD COLSPAN="4" STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in">IN</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="width: 6%">&nbsp;</TD>
    <TD STYLE="width: 9%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 64%">&nbsp;</TD>
    <TD STYLE="width: 15%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0pt"></TD><TD STYLE="width: 20pt; text-align: left">**</TD><TD STYLE="text-align: justify"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Consists of 2,992,000 shares of the Issuer&rsquo;s Common
                                                                                                             Stock held by the Moroun Trust, of which Mr. Matthew T. Moroun is a beneficiary and, together with Mr. Edwin J. Lukas, a
                                                                                                             co-trustee.</P>


</TD>
</TR></TABLE>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"></P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This Amendment No. 10 amends and supplements
the statement on Schedule 13D filed on January 15, 1997, as amended by the Amendment No. 1 filed on March 8, 2002, Amendment No.
2 filed on March 21, 2002, Amendment No. 3 filed on March 6, 2009, Amendment No. 4 filed on March 20, 2009, Amendment No. 5 filed
on January 28, 2014, Amendment No. 6 filed on January 29, 2015, Amendment No. 7 filed on May 2, 2016, Amendment No. 8 filed on
April 7, 2017 and Amendment No. 9 filed on December 6, 2017 (as amended, the &ldquo;Schedule 13D&rdquo;). Each Item below amends
and supplements the information disclosed under the corresponding Item of the Schedule 13D. Capitalized terms used but not defined
herein shall have the meanings attributed to them in the Schedule 13D. Except as otherwise set forth herein, this Amendment No.
10 does not modify any of the information previously reported by the Reporting Persons in the Schedule 13D.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 20pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"> <B>Item 2.&nbsp;&nbsp;</B> <B>Identity and Background </B></P>



<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"> Item 2 of the Schedule 13D is hereby amended and restated in its entirety to read as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>



<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(a)</TD><TD>This statement is being filed by Matthew T. Moroun and Edwin J. Lukas (collectively, the &ldquo;Reporting Persons&rdquo;).
In connection with his recent retirement, Mr. Hal M. Briand resigned as a co-trustee of the Moroun Trust and Mr. Edwin J. Lukas
was appointed a co-trustee of the Moroun Trust as successor to Mr. Briand.</TD></TR></TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(b)</TD><TD>The business address for each of the Reporting Persons is 12225 Stephens Road, Warren, Michigan 48089.</TD></TR></TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(c)</TD><TD>Matthew T. Moroun is the Chairman of the board of directors of the Issuer. Matthew T. Moroun is the sole shareholder, President
and a director of DIBC Holdings, Inc., a holding company for Detroit International Bridge Company and its subsidiaries, based in
Warren, Michigan. Matthew T. Moroun is also a principal shareholder and serves as Vice Chairman of the board of directors of CenTra,
Inc. and as Chairman of the board of directors of Universal Logistics Holdings, Inc. (NASDAQ: ULH). CenTra, Inc. is a privately-owned
transportation holding company. Its business address is 12225 Stephens Road Warren, Michigan 48089. Universal Logistics Holdings,
Inc. is an asset-light provider of customized transportation and logistics solutions throughout the United States, and in Mexico,
Canada and Colombia. Its business address is 12755 E. Nine Mile Road, Warren, Michigan 48089. Matthew T. Moroun is the principal
shareholder and has served as Chairman of Oakland Financial Corporation, an insurance and real estate holding company based in
Sterling Heights, Michigan, and its subsidiaries, since 1996.</TD></TR>                                                                                                                                                                                                                     <TR STYLE="vertical-align: top">
<TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
<TD>&nbsp;</TD><TD>&nbsp;</TD><TD>Edwin J. Lukas is a Vice President
of CenTra, Inc., a privately-owned transportation holding company with its business address located at 12225 Stephens Road Warren,
Michigan 48089.</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(d)+(e)</TD><TD>During the last five years, neither of the Reporting Persons has been convicted in any criminal proceeding (excluding traffic
violations or similar misdemeanors) and neither has been a party to a civil proceeding of any judicial or administrative body of
competent jurisdiction as a result of which such person was or is subject to a judgment, decree or final order enjoining future
violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding of any violation
with respect to such laws.</TD></TR></TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(f)</TD><TD>Each of the Reporting Persons is a citizen of the United States of America.</TD></TR></TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"> Item 3. &nbsp;&nbsp;Source and Amount of Funds or Other Consideration.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Item 3 of the Schedule 13D is hereby amended
and supplemented by inserting the following paragraph after the last paragraph thereof:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Pursuant to the Issuer&rsquo;s
modified &ldquo;Dutch Auction&rdquo; tender offer which expired at 5:00 p.m., Eastern Time, on June 7, 2018, the Issuer
purchased 185,597 shares of its Common Stock (approximately 3.0% of its outstanding shares of Common Stock). No shares of
Common Stock were tendered by the Reporting Persons in connection with this tender offer. On March 31, 2018, Mr. Moroun
received 276 shares of Common Stock from the Issuer as part of the Issuer&rsquo;s annual retainer for non-employee directors.
Additionally, on June 27, 2018, the Moroun Trust transferred 100,000 shares of the Issuer&rsquo;s Common Stock to Mr. Moroun,
and on February 23, 2018, Mr. Moroun purchased 5,000 shares of Common Stock from the Issuer upon exercise of outstanding
stock options, using personal funds. The shares transferred by the Moroun Trust to Mr. Moroun and the stock options exercised
by Mr. Moroun were included in Mr. Moroun&rsquo;s beneficial ownership as previously reported in the Schedule 13D. Therefore,
the increase in the percentage of Common Stock beneficially owned by Matthew T. Moroun since the filing of Amendment No. 9 to
this Schedule 13D is due to Mr. Moroun&rsquo;s receipt of shares of Common Stock as part of his annual retainer as a
non-employee director of the Issuer and to a decrease in the Issuer&rsquo;s total outstanding shares of Common Stock. The
decrease in the percentage of Common Stock beneficially owned by the co-trustee of the Moroun Trust (formerly Hal M. Briand
and currently Edwin J. Lukas) since the filing of Amendment No. 9 to this Schedule 13D is due to the transfer by the Moroun
Trust of shares of Common Stock to Mr. Moroun, partially offset by the decrease in the Issuer&rsquo;s total outstanding
shares of Common Stock.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"> Item 4. &nbsp;&nbsp;Purpose of Transaction.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Item 4 of the Schedule 13D is hereby amended
and supplemented by inserting the following paragraph after the last paragraph thereof:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Since the filing of Amendment No. 9 to this
Schedule 13D, 100,000 shares of Common Stock were transferred by the Moroun Trust to Mr. Moroun, 276 shares of Common Stock were
awarded to Mr. Moroun as part of an annual retainer for non-employee directors and Mr. Moroun purchased 5,000 shares of Common
Stock by exercising stock options. The stock option exercise was effectuated for investment purposes, using personal funds. The
Moroun Trust may in the future from time to time make similar transfers of shares of Common Stock to Mr. Moroun.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"> Item 5. &nbsp;&nbsp;Interest in Securities of the Issuer.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Item 5 of the Schedule 13D is hereby amended
and restated in its entirety to read as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(a)</TD><TD>Mr. Moroun beneficially owns an aggregate of 3,904,560 shares, or 64.8%, of the outstanding Common Stock. Of the 3,904,560
shares beneficially owned by Mr. Moroun, 912,560 shares are owned directly by Mr. Moroun and 2,992,000 shares are held of record
by the Moroun Trust, of which Mr. Moroun is a beneficiary and, together with Mr. Lukas, a co-trustee. Mr. Lukas beneficially owns
an aggregate of 2,992,000 shares, or 49.6%, of the outstanding Common Stock, which shares are held of record by the Moroun Trust,
of which Mr. Lukas, together with Mr. Moroun, is a co-trustee. The percentage of the outstanding shares of Common Stock owned by
each Reporting Person is based on 6,026,807 shares of Common Stock outstanding, as reported in Exhibit (a)(1)(H) to the Issuer&rsquo;s
Tender Offer Statement on Schedule TO-I/A filed with the Commission on June 12, 2018.</TD></TR></TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(b)</TD><TD>Mr. Moroun has sole power to vote or direct the vote and to dispose or direct the disposition of 912,560 shares of Common Stock.
Mr. Moroun and Mr. Lukas share the power to vote or direct the vote and to dispose or direct the disposition of 2,992,000 shares
of Common Stock held by the Moroun Trust.</TD></TR></TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(c)</TD><TD>The Reporting Persons have not engaged in any transactions in the Common Stock during the past 60 days.</TD></TR></TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(d)</TD><TD>Not applicable.</TD></TR></TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(e)</TD><TD>Not applicable.</TD></TR></TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"> <B>Item 7.</B> <B>&nbsp;&nbsp;Material to be Filed as Exhibits.</B></P>



<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%; font-size: 10pt; text-indent: 0in"><FONT STYLE="font-size: 10pt">1.1</FONT></TD>
    <TD STYLE="width: 96%; font-size: 10pt; text-indent: 0in"><FONT STYLE="font-size: 10pt"><A HREF="pam_13da10-ex0101.htm">Joint Filing Agreement dated July 2, 2018 by and among Matthew T. Moroun and Edwin J. Lukas.</A></FONT></TD></TR>
</TABLE>


<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SIGNATURES</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">After reasonable inquiry and to the best
of our knowledge and belief, each of the undersigned certify that the information set forth in this statement is true, complete
and correct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Dated:&nbsp;&nbsp;July 5, 2018</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%; font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>MATTHEW T. MOROUN</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: <U>&#9;/s/ Matthew T. Moroun&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Name:&#9;Matthew T. Moroun </FONT></TD></TR>
</TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%; font-size: 10pt"><B>EDWIN J. LUKAS</B><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: <U>&#9;/s/ Edwin J. Lukas&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Name:&#9;Edwin J. Lukas</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>EXHIBIT INDEX</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

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    <TD STYLE="width: 5%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; border-bottom: Black 0.5pt solid"><B>Exhibit
        No.</B></P></TD>
    <TD STYLE="width: 95%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Description</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">1.1</FONT></TD>
    <TD STYLE="font-size: 10pt"><P STYLE="margin: 0pt 0"><A HREF="pam_13da10-ex0101.htm">Joint Filing Agreement dated July 2, 2018 by and among Matthew T. Moroun and Edwin J. Lukas</A>.</P>


</TD></TR>
</TABLE>


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<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0"></P>

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<DOCUMENT>
<TYPE>EX-1.1
<SEQUENCE>2
<FILENAME>pam_13da10-ex0101.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
<HTML>
<HEAD>
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<P STYLE="margin: 0">Exhibit 1.1</P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: white"><B>JOINT FILING
AGREEMENT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">We, the signatories
of Amendment No. 10 (the &ldquo;Amendment No. 10&rdquo;) to the Schedule 13D to which this Agreement is attached, hereby agree
that, in accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the Amendment No. 10 and any further
amendments to such Schedule 13D filed by any of us will be filed on behalf of each of us.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Dated: July 2, 2018</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: <U>&#9;/s/ Matthew T. Moroun&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt; padding-left: 40pt">Matthew T. Moroun </TD></TR>
</TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: <U>&#9;/s/ Edwin J. Lukas&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt; padding-left: 40pt">Edwin J. Lukas</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

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