<SEC-DOCUMENT>0001193125-19-094630.txt : 20190401
<SEC-HEADER>0001193125-19-094630.hdr.sgml : 20190401
<ACCEPTANCE-DATETIME>20190401164603
ACCESSION NUMBER:		0001193125-19-094630
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190329
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190401
DATE AS OF CHANGE:		20190401

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GEOSPACE TECHNOLOGIES CORP
		CENTRAL INDEX KEY:			0001001115
		STANDARD INDUSTRIAL CLASSIFICATION:	MEASURING & CONTROLLING DEVICES, NEC [3829]
		IRS NUMBER:				760447780
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13601
		FILM NUMBER:		19721349

	BUSINESS ADDRESS:	
		STREET 1:		7007 PINEMONT DR.
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040
		BUSINESS PHONE:		7139864444

	MAIL ADDRESS:	
		STREET 1:		7007 PINEMONT DR.
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OYO GEOSPACE CORP
		DATE OF NAME CHANGE:	19950919
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d668040d8k.htm
<DESCRIPTION>8-K
<TEXT>
<HTML><HEAD>
<TITLE>8-K</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>Form <FONT
STYLE="white-space:nowrap">8-K</FONT> </B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>CURRENT
REPORT </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Pursuant to Section&nbsp;13 or 15(d) of </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>the Securities Exchange Act of 1934 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Date of Report (Date of earliest event reported): March&nbsp;29, 2019 </B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>GEOSPACE TECHNOLOGIES CORPORATION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact name of registrant as specified in its charter) </B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Commission
File Number: <FONT STYLE="white-space:nowrap">001-13601</FONT> </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><B>Texas</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">76-0447780</FONT></B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="top" ALIGN="center"><B>(State or other jurisdiction of incorporation)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>(IRS Employer Identification No.)</B></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>7007 Pinemont Drive, Houston, TX 77040 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Address of principal executive offices, including zip code) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(713) <FONT STYLE="white-space:nowrap">986-4444</FONT> </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Registrant&#146;s telephone number, including area code) </B></P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Former name or former address, if changed since last report) </B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Check the appropriate box below if the Form <FONT STYLE="white-space:nowrap">8-K</FONT> filing is intended to simultaneously satisfy the filing obligation of
the registrant under any of the following provisions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Soliciting material pursuant to Rule <FONT STYLE="white-space:nowrap">14a-12</FONT> under the Exchange Act (17
CFR <FONT STYLE="white-space:nowrap">240.14a-12)</FONT> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to Rule <FONT
STYLE="white-space:nowrap">14d-2(b)</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap">240.14d-</FONT> 2(b)) </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to Rule <FONT
STYLE="white-space:nowrap">13e-4(c)</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap">240.13e-4(c))</FONT> </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405
of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 <FONT STYLE="white-space:nowrap">(&#167;240.12b-2</FONT> of this chapter). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Emerging
growth company&nbsp;&nbsp;&nbsp;&nbsp;&#9744; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">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&nbsp;13(a) of the Exchange Act.&nbsp;&nbsp;&nbsp;&nbsp;&#9744; </P>
<P STYLE="font-size:8pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;1.01.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Entry into a Material Definitive Agreement </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">On March&nbsp;29, 2019, Geospace Technologies Corporation (the &#147;Company&#148;) entered into a Sixth Amendment (the &#147;Amendment&#148;) amending its
existing Loan Agreement dated September&nbsp;27, 2013, among the Company, certain domestic subsidiaries of the Company, as guarantors, and Frost Bank, as amended by that certain First Amendment to Loan Agreement dated December&nbsp;16, 2013, to be
effective as of September&nbsp;27, 2013, that Second Amendment to Loan Agreement dated May&nbsp;4, 2015, that Third Amendment to Loan Agreement dated May&nbsp;9, 2017, that Fourth Amendment to Loan Agreement dated October&nbsp;25, 2017, and that
Fifth Amendment to Loan Agreement dated November&nbsp;8, 2018 (as amended, the &#147;Loan Agreement&#148;). The Amendment altered the unencumbered liquid assets covenant to (a)&nbsp;reduce the minimum threshold from $10,000,000 to $5,000,000 and
(b)&nbsp;include unencumbered liquid assets held outside of the United States. The Company and its subsidiaries must maintain unencumbered liquid assets having an aggregate market value of not less than $5&nbsp;million. The Amendment also added
another financial covenant that requires the Company to maintain tangible net worth of not less than $140&nbsp;million, calculated in the manner referred to in the Amendment. The Amendment also replaced the compliance certificate to give effect to
the above. Additionally, pursuant to the Amendment, the Company&#146;s principal place of business and the related real estate, located at 7007 Pinemont Drive, Houston, Texas 77040, was added as collateral securing the Company&#146;s obligations
under the Loan Agreement and any related transaction documents. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The above Amendment is qualified in its entirety by reference to the complete text of the
Amendment filed as Exhibit 10.1 hereto, which is incorporated by reference. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;9.01.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Financial Statements and Exhibits </B></P></TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" NOWRAP>Exhibit&nbsp;10.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d668040dex101.htm">Sixth Amendment to Loan Agreement dated March&nbsp;
29, 2019 among Geospace Technologies Corporation, as borrower, certain subsidiaries of Geospace Technologies Corporation, as guarantors, and Frost Bank, as lender. </A></TD></TR>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SIGNATURES </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">GEOSPACE TECHNOLOGIES CORPORATION</P></TD></TR>
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<TD VALIGN="bottom">Date: April&nbsp;1, 2019</TD>
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<TD VALIGN="bottom">&nbsp;</TD>
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<TD VALIGN="bottom">By:&nbsp;</TD>
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<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Thomas T. McEntire</TD></TR>
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Thomas T. McEntire</TD></TR>
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
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<TD VALIGN="bottom" NOWRAP>Vice President, Chief Financial Officer&nbsp;&amp; Secretary</TD></TR>
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<TYPE>EX-10.1
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<FILENAME>d668040dex101.htm
<DESCRIPTION>EX-10.1
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 10.1 </B></P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">E<SMALL>XECUTION</SMALL> V<SMALL>ERSION</SMALL> </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>SIXTH AMENDMENT TO LOAN AGREEMENT </U></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This<B> SIXTH AMENDMENT TO LOAN AGREEMENT </B>(this &#147;<U>Amendment</U>&#148;) is entered into on the 29th day of March 2019 (the
&#147;<U>Effective Date</U>&#148;), by and between<B> </B>GEOSPACE TECHNOLOGIES CORPORATION, a Texas corporation, <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">successor-by-merger</FONT></FONT> to GEOSPACE TECHNOLOGIES
CORPORATION, a Delaware corporation (the &#147;<U>Borrower</U>&#148;), EACH OF THE DOMESTIC SUBSIDIARIES OF THE BORROWER identified on <U>Schedule I</U> attached hereto (collectively, the &#147;<U>Guarantor</U>&#148;), and FROST BANK, a Texas state
bank (the &#147;<U>Bank</U>&#148;). </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>R E C I T A L S </U></B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS,</B> Borrower, Guarantor and Bank entered into that certain Loan Agreement dated as of September&nbsp;27, 2013, as amended by that
certain First Amendment to Loan Agreement executed by the parties on December&nbsp;16, 2013, to be effective as of September&nbsp;27, 2013, that certain Second Amendment to Loan Agreement entered into by the parties on May&nbsp;4, 2015, that certain
Third Amendment to Loan Agreement entered into by the parties on May&nbsp;9, 2017, that certain Fourth Amendment to Loan Agreement entered into by the parties on October&nbsp;25, 2017, and that certain Fifth Amendment to Loan Agreement entered into
by the parties on November&nbsp;8, 2018 (as hereby and from time to time further amended, restated, supplemented, modified or replaced, the &#147;<U>Agreement</U>&#148;; a capitalized term used herein but not otherwise defined herein shall have the
meaning assigned to such term in the Agreement); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS,</B> Borrower, Guarantor and Bank have agreed that certain terms or
provisions of the Agreement be amended in the manner set forth herein to be effective as of the Effective Date; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS,
</B>Borrower, Guarantor and Bank hereby acknowledge that the terms and provisions of this Amendment constitute an amendment and modification of, and not a novation of, the Agreement or any other Loan Document. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>NOW, THEREFORE,</B> for and in consideration of the premises and mutual covenants herein contained and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree as follows: </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>A G R E E M E N T
S </U></B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">1.&nbsp;&nbsp;&nbsp;&nbsp;<U>Definitions; Recitals</U>. The term &#147;Loan Agreement&#148; or &#147;Agreement&#148; (as the
case may be) as used herein, in the Agreement and in the other Loan Documents, shall mean the Agreement as hereby amended and modified, and as further amended, restated, supplemented, modified or replaced from time to time as permitted thereby. The
Recitals set forth above are hereby incorporated by reference into this Amendment. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">2.&nbsp;&nbsp;&nbsp;&nbsp;<U>Amendment of the
Agreement</U>. Subject to the conditions hereof and upon satisfaction of the conditions set forth in Section&nbsp;6 hereof, the Agreement is hereby amended, effective as of the Effective Date, as follows: </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>SIXTH AMENDMENT TO LOAN AGREEMENT
</U></B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Page 1 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">E<SMALL>XECUTION</SMALL> V<SMALL>ERSION</SMALL> </P>
<P STYLE="font-size:24pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">a.&nbsp;&nbsp;&nbsp;&nbsp;<I><U>Financial Covenants</U></I>. Section&nbsp;8.01 of the
Agreement is hereby amended by deleting said section in its entirety and substituting the following in lieu thereof: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.01.
<U>Unencumbered Liquid Assets</U>. Maintain Unencumbered Liquid Assets of the Borrower and its Subsidiaries on a consolidated basis having an aggregate market value of not less than $5,000,000.00, to be tested as of the end of each fiscal quarter.
For purposes of this covenant, &#147;Unencumbered Liquid Assets&#148; means the following assets (excluding margined assets, assets of any retirement plan, and any assets protected by bankruptcy laws) which (i)&nbsp;are held in the United States or
any foreign country, (ii)&nbsp;are not subject to any lien, pledge, security interest, or claim of any creditor (other than pursuant to the Loan Documents), and (iii)&nbsp;may be converted to cash within five Business Days: (A)&nbsp;cash or cash
equivalents in accordance with GAAP; (B)&nbsp;United States Treasury or governmental agency obligations which constitute full faith and credit of the United States of America; (C)&nbsp;commercial paper rated
<FONT STYLE="white-space:nowrap">P-1</FONT> or <FONT STYLE="white-space:nowrap">A-1</FONT> by Moody&#146;s Investors Service or by Standard&nbsp;&amp; Poor&#146;s, respectively; (D)&nbsp;short, medium and long-term securities rated investment grade
by one of the rating agencies described in (C)&nbsp;above; (E)&nbsp;Eligible Stocks; and (F)&nbsp;mutual funds quoted in <I>The Wall Street Journal</I> <I>(U.S. Edition)</I> which invest primarily in the assets described in (A)&nbsp;&#150;&nbsp;(E)
above; and &#147;Eligible Stocks&#148; means any common or preferred stock which (i)&nbsp;is not subject to statutory or contractual restrictions on sales, (ii)&nbsp;is traded on the New York Stock Exchange, American Stock Exchange, or included in
the Global Select Market Tier or Global Market Tier of NASDAQ, and (iii)&nbsp;has, as of the close of trading on an applicable exchange (excluding after-hours trading), a per share price of at least $10. For purposes of clarity and the avoidance of
doubt, Borrower is prohibited from requesting or taking any Loans hereunder for purposes of compliance with this covenant. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">b.&nbsp;&nbsp;&nbsp;&nbsp;<I><U>Financial Covenants</U></I>. Article VIII of the Agreement is hereby amended by adding the following
Section&nbsp;8.02 at the end thereof: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:13%; font-size:10pt; font-family:Times New Roman">Section&nbsp;8.02. <U>Tangible Net Worth</U>. Maintain Tangible Net Worth of not less than
$140,000,000.00, to be tested as of the end of each fiscal quarter. For purposes of this covenant, &#147;Tangible Net Worth&#148; means (i)&nbsp;total assets, (ii)&nbsp;less intangible assets, (iii)&nbsp;less total liabilities, (iv)&nbsp;plus
Subordinated Debt, in each case, of the Borrower and its Subsidiaries on a consolidated basis, calculated in accordance with GAAP. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">c.&nbsp;&nbsp;&nbsp;&nbsp;<I><U>Compliance Certificate</U></I>. The form of Compliance Certificate attached as <U>Exhibit E</U> to the
Agreement is hereby deleted in its entirety, and the form of Compliance Certificate attached hereto as <U>Exhibit E</U> is hereby substituted in lieu thereof. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>SIXTH AMENDMENT TO LOAN AGREEMENT
</U></B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Page 2 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">E<SMALL>XECUTION</SMALL> V<SMALL>ERSION</SMALL> </P>
<P STYLE="font-size:24pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">3.&nbsp;&nbsp;&nbsp;&nbsp;<U>Full Force and Effect of Agreement</U>. Except as hereby
specifically amended, modified or supplemented, Borrower hereby acknowledges and agrees that the Agreement and all of the other Loan Documents are hereby reaffirmed, confirmed and ratified in all respects and shall remain in full force and effect
according to their respective terms. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">4.&nbsp;&nbsp;&nbsp;&nbsp;<U>Representations and Warranties of Borrower</U>. Borrower hereby
certifies that: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">a.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The representations and warranties of Borrower contained in the Agreement and the other Loan Documents, or
which are contained in any document furnished at any time under or in connection with the Loan Documents, are true and correct in all material respects on and as of the date hereof, except to the extent that such representations and warranties
specifically refer to an earlier date, in which case they are true and correct in all material respects as of such earlier date; </P></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">b.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">This Amendment has been duly authorized, executed and delivered by Borrower and constitutes a legal, valid and
binding obligation of Borrower, except as may be limited by general principles of equity or by the effect of any applicable bankruptcy, insolvency, reorganization, moratorium or similar law affecting creditors&#146; rights generally; and
</P></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">c.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">No Event of Default, nor any event which, upon the giving of notice or lapse of time or both may become an
Event of Default, exists under the Agreement or any other Loan Document. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">5.&nbsp;&nbsp;&nbsp;&nbsp;<U>Confirmation of
Liens</U>. Borrower hereby confirms, extends, and renews to Bank the security interests, liens and rights of any and all security for all indebtedness and performance of all obligations owed by Borrower under the Loan Documents (the
&#147;<U>Liabilities</U>&#148;) including, but without limitation, the liens, security interests and rights set forth in the Agreement (as modified hereby) and the other Loan Documents to secure payment of the Liabilities. Borrower confirms that the
liens, security interests and rights of Bank under the Agreement (as modified hereby) and the other Loan Documents are valid and subsisting liens, security interests and rights against the properties described therein. Borrower confirms that the
Amendment shall in no manner affect or impair any of the liens, security interests or rights securing payment of the Liabilities and that those liens, security interests and rights are not and shall not in any manner be waived. Bank shall have the
right to exercise all rights and remedies of Bank under the Agreement (as modified hereby) and the other Loan Documents and under applicable law upon the occurrence of any Event of Default (subject to any applicable notice and/or cure period(s))
under the Agreement (as modified hereby) or any of the other Loan Documents and under any and all existing or future amendments or modifications to the Agreement (as modified hereby) or any of the other Loan Documents or to the terms or provisions
thereof. Nothing contained in this Amendment shall prejudice, act as, or be deemed to be a waiver of any right or remedy available to Bank by reason of the occurrence or existence of any fact, circumstance or event constituting an Event of Default
under the Agreement (as modified hereby) or any of the other Loan Documents. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">6.&nbsp;&nbsp;&nbsp;&nbsp;<U>Conditions to
Effectiveness</U>. This Amendment shall become effective upon the satisfaction of the following conditions precedent on or before the Effective Date: </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>SIXTH AMENDMENT TO LOAN AGREEMENT
</U></B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Page 3 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">E<SMALL>XECUTION</SMALL> V<SMALL>ERSION</SMALL> </P>
<P STYLE="font-size:24pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">a.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Bank shall have received two (2)&nbsp;original counterparts of this Amendment executed by Borrower; and
</P></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">b.</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Bank shall have received such other documents, instruments and certificates as reasonably requested by Bank,
including but without limitation that certain Deed of Trust, Security Agreement &#150; Financing Statement of even date herewith executed by GTC, Inc., for the benefit of Bank. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Upon the satisfaction of the conditions set forth in this <U>Section</U><U></U><U>&nbsp;6</U>, this Amendment shall be effective as of the Effective Date.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">7.&nbsp;&nbsp;&nbsp;&nbsp;<U>Counterparts</U>. This Amendment may be executed in one or more counterparts, each of which shall be deemed
an original (including electronic copies) but all of which together shall constitute one and the same instrument. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">8.&nbsp;&nbsp;&nbsp;&nbsp;<U>Governing Law</U>. This Amendment shall in all respects be governed by, and construed in accordance with, the
laws of the State of Texas, without regard to conflicts of laws principles, and with the laws of the United States of America, as applicable. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">9.&nbsp;&nbsp;&nbsp;&nbsp;<U>Enforceability</U>. Should any one or more of the terms or provisions of this Amendment be determined to be
illegal or unenforceable as to one or more of the parties hereto, all other terms and provisions nevertheless shall remain effective and binding on the parties hereto. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">10.&nbsp;&nbsp;&nbsp;&nbsp;<U>No Novation</U>. This Amendment is given as an amendment and modification of, and not as a payment or
satisfaction of, all of the Liabilities and is not intended to constitute a novation of any of the Liabilities. All of the Liabilities shall continue in full force and effect. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">11.&nbsp;&nbsp;&nbsp;&nbsp;<U>Successors and Assigns</U>. This Amendment shall be binding upon and inure to the benefit of each of Borrower
and Bank and their respective successors, assigns and legal representatives; <U>provided</U>, <U>however</U>, that Borrower may not, without the prior written consent of Bank, assign any of its respective rights, powers, duties or obligations
hereunder. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">12.&nbsp;&nbsp;&nbsp;&nbsp;<U>Expenses</U>. Without limiting the terms or provisions of the Agreement or the other Loan
Documents as same relate to payment of costs and fees (including, but without limitation, those terms or provisions related to payment of costs of collection), Borrower agrees to pay all reasonable out of pocket costs and expenses (including without
limitation reasonable fees and expenses of any counsel, financial advisor and agent for Bank) incurred before or after the date hereof by Bank or its affiliates in connection with the preparation, negotiation, execution, delivery and administration
of this Amendment, the Agreement (as modified hereby), and the other Loan Documents. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">13.&nbsp;&nbsp;&nbsp;&nbsp;<U>Further
Assurances</U>. Borrower agrees to provide to Bank all such other documents and/or instruments as Bank reasonably may request to further accomplish the purposes of this Amendment. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>SIXTH AMENDMENT TO LOAN AGREEMENT
</U></B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Page 4 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">E<SMALL>XECUTION</SMALL> V<SMALL>ERSION</SMALL> </P>
<P STYLE="font-size:24pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">14.&nbsp;&nbsp;&nbsp;&nbsp;<U>Waiver of Jury Trial</U>. <B>THE PARTIES HERETO HEREBY WAIVE
TRIAL BY JURY IN ANY JUDICIAL PROCEEDING INVOLVING, DIRECTLY OR INDIRECTLY, ANY MATTER (WHETHER SOUNDING IN TORT, CONTRACT OR OTHERWISE) IN ANY WAY ARISING OUT OF, RELATED TO, OR IN CONNECTION WITH THIS </B><B>AMENDMENT</B><B>, THE AGREEMENT (AS
MODIFIED HEREBY) OR ANY OTHER LOAN DOCUMENT OR THE RELATIONSHIP ESTABLISHED HEREUNDER OR THEREUNDER.</B> </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">15.&nbsp;&nbsp;&nbsp;&nbsp;<U>Entire Agreement</U>. <B>THIS AMENDMENT, THE AGREEMENT (AS MODIFIED HEREBY), AND THE OTHER LOAN DOCUMENTS
REPRESENT THE FINAL AGREEMENT BETWEEN BORROWER, GUARANTOR AND BANK RELATED TO THE SUBJECT MATTER HEREIN CONTAINED AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO UNWRITTEN
ORAL AGREEMENTS BETWEEN THE PARTIES.</B> </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>IN WITNESS WHEREOF, </B>the parties hereto have caused this Amendment to be duly executed by
their duly authorized officers, all as of the day and year first above written. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD WIDTH="87%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><U>BORROWER:</U></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">GEOSPACE TECHNOLOGIES CORPORATION,</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">a Texas corporation</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Thomas T. McEntire</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Thomas T. McEntire</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Vice President and CFO</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><U>GUARANTOR:</U></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">GTC, INC.</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">EXILE TECHNOLOGIES CORPORATION</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">GEOSPACE ENGINEERING RESOURCES</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; font-size:10pt; font-family:Times New Roman">INTERNATIONAL, INC.</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">GEOSPACE FINANCE CORP.</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">GEOSPACE J.V., INC.</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">GEOSPACE TECHNOLOGIES,</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; font-size:10pt; font-family:Times New Roman">SUCURSAL SUDAMERICANA LLC</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Thomas T. McEntire</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Thomas T. McEntire</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Vice President and CFO</TD></TR>
</TABLE></DIV>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>SIXTH AMENDMENT TO LOAN AGREEMENT
</U></B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Page 5 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">E<SMALL>XECUTION</SMALL> V<SMALL>ERSION</SMALL> </P>
<P STYLE="font-size:24pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
 <DIV ALIGN="right">
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<TD WIDTH="12%"></TD>
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<TD WIDTH="87%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><U>BANK:</U></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">FROST BANK,</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">a Texas state
bank</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Larry Hammonds</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Larry Hammonds</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Market President</TD></TR>
</TABLE></DIV>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>SIXTH AMENDMENT TO LOAN AGREEMENT
</U></B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Page 6 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">E<SMALL>XECUTION</SMALL> V<SMALL>ERSION</SMALL> </P>
<P STYLE="font-size:24pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>Schedule I </U></B></P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">GTC, Inc., a Texas corporation </P></TD></TR></TABLE>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Exile Technologies Corporation, a Texas corporation </P></TD></TR></TABLE>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">(3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Geospace Engineering Resources International, Inc., a Texas corporation </P></TD></TR></TABLE>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">(4)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Geospace Finance Corp., a Texas corporation </P></TD></TR></TABLE>
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<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Geospace J.V., Inc., a Texas corporation </P></TD></TR></TABLE>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">(6)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Geospace Technologies, Sucursal Sudamericana LLC, a Texas limited liability company </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>SIXTH AMENDMENT TO LOAN AGREEMENT
</U></B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Schedule I </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">E<SMALL>XECUTION</SMALL> V<SMALL>ERSION</SMALL> </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>Exhibit E </U></B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Form of Compliance Certificate </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>COMPLIANCE CERTIFICATE </U></B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This COMPLIANCE CERTIFICATE (this &#147;<U>Certificate</U>&#148;) is delivered pursuant to the Loan Agreement dated September&nbsp;27, 2013
(together with all amendments and modifications, if any, from time to time made thereto, the &#147;<U>Loan Agreement</U>&#148;), among Geospace Technologies Corporation, a Texas corporation (&#147;<U>Borrower</U>&#148;), certain Guarantors named
therein, and Frost Bank, a Texas state bank. Unless otherwise defined, terms used herein have the respective meanings provided in the Loan Agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The undersigned, being the duly elected, qualified and acting ____________ of Borrower, on behalf of Borrower and solely in his or her
capacity as an officer of Borrower, hereby certifies and warrants that: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As of _______________, 20___: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><U>No Default</U>. No Default or Event of Default exists under the Loan Agreement or any other Loan Document as
of the date hereof. </P></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><U>Unencumbered Liquid Assets</U>. The Unencumbered Liquid Assets of Borrower and its Subsidiaries on a
consolidated basis totaled $___________________, as computed in accordance with Section&nbsp;8.01 of the Loan Agreement. </P></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">(3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><U>Tangible Net Worth</U>. The Tangible Net Worth of Borrower and its Subsidiaries on a consolidated basis
totaled $___________________, as computed in accordance with Section&nbsp;8.02 of the Loan Agreement. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IN WITNESS
WHEREOF, the undersigned has executed and delivered this Certificate, this _____ day of ______________, 20___. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD VALIGN="top">By:</TD>
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<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
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<TD VALIGN="top">Title:</TD>
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<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
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<TD VALIGN="top" COLSPAN="3"><FONT STYLE="font-size:10pt">On behalf of Geospace Technologies Corporation</FONT></TD></TR>
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 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>SIXTH AMENDMENT TO LOAN AGREEMENT
</U></B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Exhibit E </P>

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