KEITHLEY INSTRUMENTS INC
EXHIBIT 10.1
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>2
<FILENAME>c84932exv10w1.htm
<DESCRIPTION>EXHIBIT 10.1
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<TITLE>Exhibit 10.1</TITLE>
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<DIV style="font-family: 'Times New Roman',Times,serif; margin-left: .25in; width: 7.20in">

<DIV align="right" style="font-size: 10pt; margin-top: 10pt">Exhibit&nbsp;10.1
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><u>SIXTH
AMENDMENT TO CREDIT AGREEMENT</u>
</DIV>


<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">THIS SIXTH AMENDMENT TO CREDIT AGREEMENT, effective as of March&nbsp;31, 2009 (this &#147;Amendment&#148;),
is among KEITHLEY INSTRUMENTS, INC., an Ohio corporation (the &#147;Company&#148;), Subsidiary Borrowers
(referred to below and collectively with the Company, the &#147;Borrowers&#148;), the banks and other
financial institutions or entities from time to time parties to this Agreement (the &#147;Lenders&#148;) and
JPMORGAN CHASE BANK, N.A., a national banking association, successor by merger with Bank One, NA,
(Main Office Columbus), as Agent for the Lenders (in such capacity the &#147;Agent&#148;).
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><u>RECITALS</u>
</DIV>


<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">A.&nbsp;The Company, certain Subsidiary Borrowers party thereto, the Lender party thereto and
Agent are parties to a Credit Agreement, dated as of March&nbsp;30, 2001 (the &#147;Original Credit
Agreement&#148;), as amended by a First Amendment to Credit Agreement dated as of August&nbsp;1, 2002, as
amended by a Second Amendment to Credit Agreement dated as of March&nbsp;28, 2003, as amended by a Third
Amendment to Credit Agreement dated as of March&nbsp;30, 2004, as amended by a Fourth Amendment to
Credit Agreement dated as of March&nbsp;30, 2005, as amended by a Fifth Amendment to Credit Agreement
dated as of September&nbsp;27, 2006, and a letter agreement dated March&nbsp;27, 2008 (as now and hereafter
amended, the &#147;Credit Agreement&#148;), pursuant to which the Lender agreed, subject to the terms and
conditions thereof, to extend credit to the Borrowers.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">B.&nbsp;The Borrowers desire to amend the Credit Agreement and the Agent and the Lender are willing
to do so strictly in accordance with the terms hereof.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><u>TERMS</u>
</DIV>


<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">In consideration of the premises and of the mutual agreements herein contained, the parties
agree as follows:
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 10pt">ARTICLE 1.

</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 0pt"><u>AMENDMENTS</u>

</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">Upon fulfillment of the conditions set forth in Article&nbsp;3 hereof, the Credit Agreement shall
be amended as follows:
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">1.1 The definition of &#147;Alternate Base Rate&#148; shall be deleted from Article&nbsp;I, Definitions.
</DIV>
<P align="center" style="font-size: 10pt; text-indent: 8%">&nbsp;

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
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<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">1.2 The following definitions shall be added to Article&nbsp;I, Definitions and shall provide as
follows:
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">&#147;Adjusted One Month LIBOR Rate&#148; means, with respect to a Floating Rate Advance for any day,
the sum of (i)&nbsp;2.5% per annum plus (ii)&nbsp;the quotient of (a)&nbsp;the interest rate determined by the
Agent by reference to the Page to be the rate at approximately 11:00&nbsp;a.m. London time, on such date
or, if such date is not a Business Day, on the immediately preceding Business Day for dollar
deposits with a maturity equal to one (1)&nbsp;month, divided by (b)&nbsp;one minus the Reserve Requirement
(expressed as a decimal) applicable to dollar deposits in the London interbank market with a
maturity equal to one (1)&nbsp;month.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">&#147;Pledged Account&#148; shall mean Account No.&nbsp;2330521937 held by JPMorgan Chase Bank, N.A. as
collateral for the Guaranteed Obligations.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">&#147;Pledge Agreement&#148; shall mean that certain Pledge, Assignment and Security Agreement between
the Company and the Agent, dated as of the date hereof.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">&#147;USA Patriot Act&#148; shall mean the USA Patriot Act, as amended (Title III of Pub. L. 107-56
(signed into law October&nbsp;26, 2001)).
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">1.3 The definitions of &#147;Eurocurrency Reference Rate,&#148; &#147;Floating Rate,&#148; and &#147;Reserve
Requirement&#148; shall be deleted in their entirety and the following shall be substituted in lieu
thereof:
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">&#147;Eurocurrency Reference Rate&#148; means with respect to any Eurocurrency Advance for any Interest
Period, the interest rate determined by the Agent by reference to Reuters Screen LIBOR01, formerly
known as Page 3750 of the Moneyline Telerate Service (together with any successor or substitute,
the &#147;Service&#148;) or any successor or substitute page of the Service providing rate quotations
comparable to those currently provided on such page of the Service, as determined by the Agent from
time to time for purposes of providing quotations of interest rates applicable to dollar deposits
in the London interbank market (the &#147;Page&#148;), to be the rate at approximately 11:00&nbsp;a.m. London
time, two Business Days prior to the commencement of the Interest Period (and 11:00&nbsp;a.m. (London
time) on the first day of the Interest Period in the case of any Eurocurrency Borrowing denominated
in Pounds Sterling) for dollar deposits with a maturity equal to such Interest Period. If no
Eurocurrency Rate is available to the Agent, the applicable Eurocurrency Rate for the relevant
Interest Period shall instead be the rate determined by the Agent to be the rate at which the Agent
offers to place U.S. dollar deposits having a maturity equal to such Interest Period with
first-class banks in the London interbank market at approximately 11:00&nbsp;a.m.(London time) two
Business Days prior to the first day of such Interest Period.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">&#147;Floating Rate&#148; means the Prime Rate; provided that the Floating Rate shall, on any day, not
be less than the Adjusted One Month LIBOR Rate. The Floating Rate is a variable rate and any
change in the Floating Rate due to any change in the Prime Rate or the Adjusted One Month LIBOR
Rate is effective from and including the effective date of such change in the Prime Rate or the
Adjusted One Month LIBOR Rate, respectively.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">&#147;Reserve Requirement&#148; means the maximum aggregate reserve requirement (including all basic,
supplemental, marginal and other reserves) which is imposed under Regulation&nbsp;D.
</DIV>
<P align="center" style="font-size: 10pt; text-indent: 12%">&nbsp;

<P align="center" style="font-size: 10pt"><!-- Folio -->-2-<!-- /Folio -->
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<DIV style="font-family: 'Times New Roman',Times,serif; margin-left: .25in; width: 7.20in">

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">1.4 The first sentence of Section&nbsp;2.1 shall be deleted in its entirety and the following shall
be substituted in lieu thereof:
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">From and including the date of this Agreement and prior to the Facility Termination Date, each
Lender severally agrees, on the terms and conditions set forth in this Agreement, to (i)&nbsp;make Loans
to each Borrower in Agreed Currencies from time to time and (ii)&nbsp;participate in Facility LCs issued
upon the request of each Borrower, <I>provided </I>that (i)&nbsp;all Floating Rate Loans shall be made in
dollars, (ii)&nbsp;after giving effect to the making of each such Loan and the issuance of each such
Facility LC, such Lender&#146;s Outstanding Credit Exposure shall not exceed its Commitment and the
Aggregate Outstanding Credit Exposure will not exceed the balance of funds held in the Pledged
Account, and (iii)&nbsp;the aggregate amount of the Aggregate Outstanding Credit Exposure of Subsidiary
Borrowers shall not exceed the Dollar Amount of $5,000.000.00.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">1.5 Section&nbsp;2.5 shall be amended by deleting the reference in line three therein to
&#147;one-eighth of one percent&#148; and inserting &#147;one-quarter of one percent&#148; in place thereof.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">1.6 The reference to &#147;Alternative Base Rate&#148; in Sections&nbsp;2.11 and 2.18 shall be changed to
&#147;Prime Rate or the Adjusted One Month LIBOR Rate.&#148;
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">1.7 Section&nbsp;2.27 shall be added to Article&nbsp;II, The Credits and shall provide as follows:
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">2.27
<u>Pledged Account</u>. To secure the payment of the Guaranteed Obligations, the
Company shall execute and deliver to the Lenders and the Agent, the Pledge Agreement. At no time
shall the Aggregate Outstanding Credit Exposure exceed the funds held in the Pledged Account. If
the Aggregate Outstanding Credit Exposure exceeds the funds held in the Pledged Account, the
Company, within 3&nbsp;days of written notice from Lender, shall deposit funds in the Pledged Account to
cause the balance in the Pledged Account to be equivalent to the Aggregate Outstanding Credit
Exposure.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">1.8 The following sentence shall be added after the first sentence in Section&nbsp;3.3:
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">If the Agent determines on any day that quotations of interest rates for the relevant deposits
referred to in the definition of Adjusted One Month LIBOR Rate are not being provided for purposes
of determining the interest rate on any Floating Rate Advance on any day, then each Floating Rate
Advance shall bear interest at the Prime Rate plus the Applicable Margin for Floating Rate advances
until the Bank determines that quotations of interest rates for the relevant deposits referred to
in the definition of Adjusted One Month LIBOR Rate are being provided.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">1.9 Sections&nbsp;4.2 and 6.1(iii) are hereby amended to no longer require the submission of a
compliance certificate.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">2.0 Section&nbsp;6.16 (Financial Covenants) is hereby deleted in its entirety.
</DIV>
<P align="center" style="font-size: 10pt; text-indent: 8%">&nbsp;

<P align="center" style="font-size: 10pt"><!-- Folio -->-3-<!-- /Folio -->
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<DIV style="font-family: 'Times New Roman',Times,serif; margin-left: .25in; width: 7.20in">

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">2.1 Section&nbsp;9.14 shall be added to Article&nbsp;IX, General Provisions and shall provide as
follows:
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">9.14. USA PATRIOT ACT; European &#147;Know Your Customer&#148; Checks.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">9.14.1. Each Lender hereby notifies the Borrowers that pursuant to the requirements of the USA
Patriot Act (Title III of Pub. L. 107-56 (signed into law October&nbsp;26, 2001))(&#147;USA Patriot Act&#148;), as
amended, it is required to obtain, verify and record information that identifies such Borrower,
which information includes the name and address of such Borrower and other information that will
allow such Lender to identify such Borrower in accordance with the USA Patriot Act.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">9.14.2. If (a)&nbsp;the introduction of or any change in (or in the interpretation, administration
or application of) any law or regulation made after the date of this Agreement; (b)&nbsp;any change in
the status of a Borrower after the date of this Agreement; or (c)&nbsp;a proposed assignment or transfer
by a Lender of any of its rights and obligations under this Agreement to a party that is not a
Lender prior to such assignment or transfer, obliges the Agent or any Lender (or, in the case of
clause (c)&nbsp;above, any prospective new Lender) to comply with &#147;know your customer&#148; or similar
identification procedures in circumstances where the necessary information is not already available
to it, each Borrower shall promptly upon the request of the Agent or any Lender supply, or procure
the supply of, such documentation and other evidence as is reasonably requested by the Agent (for
itself or on behalf of any Lender) or any Lender (for itself or, in the case of the event described
in clause (c)&nbsp;above, on behalf of any prospective new Lender) in order for the Agent, such Lender
or, in the case of the event described in clause (c)&nbsp;above, any prospective new Lender to carry out
and be satisfied it has complied with all necessary &#147;know your customer&#148; or other similar checks
under all applicable laws and regulations pursuant to the transactions contemplated in this
Agreement and the other Loan Documents. Each Lender shall promptly upon the request of the Agent
supply, or procure the supply of, such documentation and other evidence as is reasonably requested
by the Agent (for itself) in order for the Agent to carry out and be satisfied it has complied with
all necessary &#147;know your customer&#148; or other similar checks under all applicable laws and
regulations pursuant to the transactions contemplated in this Agreement and the other Loan
Documents.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">2.2 Schedule&nbsp;1.1 to the Credit Agreement shall be amended to add the Subsidiaries referenced
below:
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head --><TR valign="bottom">
    <TD width="39%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="38%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="17%">&nbsp;</TD>
</TR>

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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Keithley Instruments Sdn Bhd
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Organized under the laws of Malaysia
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">100% Wholly-Owned Subsidiary</TD>
</TR>
<TR valign="bottom" style="padding-top: 1px">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="padding-top: 1px">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Keithley (Beijing)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Organized under the laws of China
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" nowrap>100% Wholly-Owned Subsidiary</TD>
</TR>
<TR valign="bottom" style="padding-top: 1px">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Measurement Instruments Co., Ltd.
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body --></TABLE>
</DIV>


<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">2.3 J.P. Morgan Europe Limited is hereby added as a Lender to the Credit Agreement.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">2.4 The Commitment set forth opposite the Agent&#146;s name on the signature page to the Original
Credit Agreement is deleted. The aggregate Commitment for the Agent and J.P. Morgan Europe Limited
is $5,000,000.00.
</DIV>
<P align="center" style="font-size: 10pt; text-indent: 8%">&nbsp;

<P align="center" style="font-size: 10pt"><!-- Folio -->-4-<!-- /Folio -->
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<DIV align="center" style="font-size: 10pt; margin-top: 10pt">ARTICLE 2.<BR>
<u>REPRESENTATIONS</u>
</DIV>


<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">Each Borrower represents and warrants to the Agent and the Lender that:
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">2.1 The execution, delivery and performance of this Amendment is within its powers, has been
duly authorized and is not in contravention with any law, of the terms of its Articles of
Incorporation or By-laws, or any undertaking to which it is a party or by which it is bound.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">2.2 This Amendment is the legal, valid and binding obligation of the Borrower enforceable
against it in accordance with the terms hereof.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">2.3 After giving effect to the amendments herein contained, the representations and warranties
contained in Article&nbsp;V of the Credit Agreement are true on and as of March&nbsp;31, 2009 with the same
force and effect as if made on and as of March&nbsp;31, 2009.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">2.4 No Default or Unmatured Default exists or has occurred and is continuing on the date
hereof.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">2.5 The terms and conditions of all prior amendments, including side letters to the Credit
Agreement are in full force and effect and adopted by each Borrower.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt">ARTICLE 3.<BR>
<u>CONDITIONS OF EFFECTIVENESS</u>
</DIV>



<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; margin-left: 12%">This Amendment shall not become effective until each of the following has been satisfied:
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">3.1 This Amendment shall be signed by each Borrower, the Agent and the Lender.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt">ARTICLE 4.<BR>
<u>MISCELLANEOUS</u>
</DIV>


<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">4.1 References in the Credit Agreement or in any note, certificate, instrument or other
document to the &#147;Credit Agreement&#148; shall be deemed to be references to the Credit Agreement as
amended hereby and as further amended from time to time.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">4.2 The Company agrees to pay and to save the Agent harmless for the payment of all costs and
expenses arising in connection with this Amendment, including the reasonable fees of counsel to the
Agent in connection with preparing this Amendment and the related documents.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">4.3 Each Borrower acknowledges and agrees that the Agent and the Lender have fully performed
all of their obligations under all documents executed in connection with the Credit Agreement and
all actions taken by the Agent and the Lender are reasonable and appropriate under the
circumstances and within their rights under the Credit Agreement and all other documents executed
in connection therewith and otherwise available. Each Borrower represents
and warrants that it is not aware of any claims or causes of action against the Agent or any
Lender, any participant lender or any of their successors or assigns.
</DIV>
<P align="center" style="font-size: 10pt; text-indent: 8%">&nbsp;

<P align="center" style="font-size: 10pt"><!-- Folio -->-5-<!-- /Folio -->
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<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">4.4 Except as expressly amended hereby, each Borrower agrees that the Credit Agreement and all
other Loan Documents are ratified and confirmed and shall remain in full force and effect and that
it has no set off, counterclaim or defense with respect to any of the foregoing. Terms used but
not defined herein shall have the respective meanings ascribed thereto in the Credit Agreement.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">4.5 This Amendment may be signed upon any number of counterparts with the same effect as if
the signatures thereto and hereto were upon the same instrument.
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 12%">IN WITNESS WHEREOF, the parties signing this Amendment have caused this Amendment to be
executed and delivered as of March&nbsp;31, 2009.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">
KEITHLEY INSTRUMENTS, INC.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="left">Its: Vice President and Chief Financial Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">KEITHLEY INSTRUMENTS GmbH<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Managing Director&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">
KEITHLEY INSTRUMENTS SARL<br>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Managing Director&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

<P align="center" style="font-size: 10pt">&nbsp;

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<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">
KEITHLEY INSTRUMENTS LTD.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Managing Director&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">
KEITHLEY INSTRUMENTS SRL<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Managing Director&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">
KEITHLEY INSTRUMENTS BV<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Director&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">
KEITHLEY INSTRUMENTS SA<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Managing Director&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

<TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">
KEITHLEY INSTRUMENTS KK<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Managing Director&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>


<TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD nowrap colspan="3" align="left">
KEITHLEY INSTRUMENTS INTERNATIONAL CORP.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Director / Secretary Treasurer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

<P align="center" style="font-size: 10pt">&nbsp;

<P align="center" style="font-size: 10pt"><!-- Folio -->-7-<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif; margin-left: .25in; width: 7.20in">

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD nowrap colspan="3" align="left">
KEITHLEY INVESTMENTS SDN BHD<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Director&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>








<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD  colspan="3" align="left"><BR>
KEITHLEY (BEIJING)&nbsp;MEASUREMENT
INSTRUMENTS CO., LTD<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark J. Plush
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Director&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">
JPMORGAN CHASE BANK, N.A., successor by merger with
Bank One, NA (Main Office Columbus), as Agent, LC
Issuer and Lender<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Maribeth Echan
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Underwriter II&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">
J.P. MORGAN EUROPE LIMITED<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark Herridge
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Vice President&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">
/s/ Henry Lane
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Its: Assistant Vice President&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>


<P align="center" style="font-size: 10pt">&nbsp;

<P align="center" style="font-size: 10pt"><!-- Folio -->-8-<!-- /Folio -->
</DIV>



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