DADE BEHRING HOLDINGS INC
EXHIBIT 10.1
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<P ALIGN="RIGHT"><FONT SIZE=2><B>Exhibit 10.1  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="km2616_fourth_amendment_and_consent_to_credit_agreement"> </A>
<A NAME="toc_km2616_1"> </A></FONT> <FONT SIZE=2><I>FOURTH AMENDMENT AND CONSENT TO CREDIT AGREEMENT    <BR>    </I></FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FOURTH AMENDMENT AND CONSENT TO CREDIT AGREEMENT (collectively, this "</FONT><FONT SIZE=2><I>Fourth Amendment</I></FONT><FONT SIZE=2>"), dated as of
March&nbsp;12, 2004, among DADE BEHRING HOLDINGS,&nbsp;INC., a Delaware corporation ("</FONT><FONT SIZE=2><I>Holdings</I></FONT><FONT SIZE=2>"), DADE BEHRING&nbsp;INC., a Delaware corporation
(the "</FONT><FONT SIZE=2><I>Borrower</I></FONT><FONT SIZE=2>"), the lenders from time to time party to the Credit Agreement referred to below (the
"</FONT><FONT SIZE=2><I>Lenders</I></FONT><FONT SIZE=2>"), and DEUTSCHE BANK AG, NEW YORK BRANCH, as Administrative Agent (in such capacity, the "</FONT><FONT SIZE=2><I>Administrative
Agent</I></FONT><FONT SIZE=2>"). Unless otherwise indicated, all capitalized terms used herein and not otherwise defined shall have the respective meanings provided such terms in the Credit Agreement
referred to below. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><I>W I T N E S S E T H</I></FONT><FONT SIZE=2>: </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS,
Holdings, the Borrower, the Lenders, Deutsche Bank Securities&nbsp;Inc., as Lead Arranger and Lead Book Runner, General Electric Capital Corporation and The Royal Bank of
Scotland PLC, as Syndication Agents, and the Administrative Agent are parties to a Credit Agreement, dated as of October&nbsp;3, 2002 (as amended, modified and/or supplemented to, but not including,
the date hereof, the "</FONT><FONT SIZE=2><I>Credit Agreement</I></FONT><FONT SIZE=2>"); and </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS,
subject to the terms and conditions of this Fourth Amendment, the parties hereto wish to amend the Credit Agreement and the Lenders wish to grant a consent to certain provisions
of the Credit Agreement, in each case as herein provided; </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NOW,
THEREFORE, it is agreed: </FONT></P>

<DL compact>
<DT style='margin-bottom:-11pt;'><FONT SIZE=2>I.</FONT></DT><DD><FONT SIZE=2><I>Amendments and Consents to Credit Agreement.</I></FONT></DD></DL>
<BR>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;1.02
of the Credit Agreement is hereby amended by (i)&nbsp;inserting the text "(i)" immediately after the text "outstanding" appearing in the proviso to
said Section and (ii)&nbsp;inserting the text "or (ii)&nbsp;more than four Borrowings of Euro Rate Loans subject to a one-week or two-week Interest Period" immediately
prior to the period at the end of said Section. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;1.09
of the Credit Agreement is hereby amended by (i)&nbsp;inserting the text "and Section&nbsp;1.02" immediately after the text "1.01(E)(I)(ii)(y)"
appearing in said Section and (ii)&nbsp;inserting the text "a one-week or two-week period or" immediately after the text "in the case of a Borrowing of any such Euro Rate
Loans," appearing in the first sentence of said Section. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;3.01(e)
of the Credit Agreement is hereby amended by (i)&nbsp;deleting each reference to the text "A-1 Term Loans, A-2 Term
Loans, A-3 Term Loans and B Term Loans" appearing in said Section and inserting the text "A-3 Term Loans" in lieu thereof and (ii)&nbsp;deleting the text "A-1
Term Loans, A-2 Term Loans, A-3 Term Loans and/or B Term Loans" appearing in said Section and inserting the text "A-3 Term Loans" in lieu thereof. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.01(c)
of the Credit Agreement is hereby amended by inserting the text "A-3" immediately prior to the text "Term Loans" appearing in said
Section. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sections
4.02(A)(c), (d)&nbsp;and (e)&nbsp;of the Credit Agreement are hereby amended by inserting the text "A-3" immediately prior to the text "Term
Loans" appearing in the last sentence of each of said Sections. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7
of the Credit Agreement is hereby amended by deleting Section&nbsp;7.19 thereof in its entirety. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.01
of the Credit Agreement is hereby amended by deleting clause&nbsp;(d) thereof in its entirety. </FONT></P>

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<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.04(f)
of the Credit Agreement is hereby amended by deleting clause&nbsp;(f) of said Section in its entirety and inserting the following new
clause&nbsp;(f) in lieu thereof: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"(f)&nbsp;&nbsp;&nbsp;&nbsp;Indebtedness
constituting Intercompany Loans to the extent permitted by Section&nbsp;8.06(g);". </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.04
of the Credit Agreement is hereby further amended by deleting the amount "$50.0&nbsp;million" appearing in clause&nbsp;(s) of said Sectio n and
inserting the amount "$100.0&nbsp;million" in lieu thereof. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.&nbsp;&nbsp;&nbsp;Section&nbsp;8.06
of the Credit Agreement is hereby amended by deleting clause&nbsp;(v) of said Section in its entirety and inserting the following new
clause&nbsp;(v) in lieu thereof: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"(v)&nbsp;&nbsp;&nbsp;&nbsp;so
long as no Default or Event of Default exists both before and after giving effect thereto, the European Reorganization may be consummated in accordance with the
requirements of the definition thereof;". </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.&nbsp;&nbsp;&nbsp;Section&nbsp;8.13(i)&nbsp;of
the Credit Agreement is hereby amended by deleting the amount "$50,000,000" appearing in said Section and inserting the amount
"$100,000,000" in lieu thereof. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12.&nbsp;&nbsp;&nbsp;The
definition of "Applicable Margin" appearing in Section&nbsp;10 of the Credit Agreement is hereby amended by (i)&nbsp;deleting the table appearing in said Section
and inserting the following new table in lieu thereof: </FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="BOTTOM">
<TH WIDTH="40%" ALIGN="LEFT"><FONT SIZE=2>&nbsp;</FONT><BR></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH COLSPAN=15 ALIGN="CENTER"><FONT SIZE=1><B>Applicable Margins</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
</TR>
<TR VALIGN="BOTTOM">
<TH WIDTH="40%" ALIGN="LEFT"><FONT SIZE=1>&nbsp;</FONT><BR></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH COLSPAN=3 ALIGN="CENTER"><FONT SIZE=1><B>A-3 Term Loans</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH COLSPAN=3 ALIGN="CENTER"><FONT SIZE=1><B>B Term Loans</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH COLSPAN=3 ALIGN="CENTER"><FONT SIZE=1><B>Revolving Loans</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH COLSPAN=3 ALIGN="CENTER"><FONT SIZE=1><B>Swingline Loans</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
</TR>
<TR VALIGN="BOTTOM">
<TH WIDTH="40%" ALIGN="CENTER"><FONT SIZE=1><B>Applicable Credit Rating Level</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="5%" ALIGN="CENTER"><FONT SIZE=1><B>Euro<BR>
Rate</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="5%" ALIGN="CENTER"><FONT SIZE=1><B>Base<BR>
Rate</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="5%" ALIGN="CENTER"><FONT SIZE=1><B>Euro<BR>
Rate</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="5%" ALIGN="CENTER"><FONT SIZE=1><B>Base<BR>
Rate</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="5%" ALIGN="CENTER"><FONT SIZE=1><B>Euro<BR>
Rate</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="5%" ALIGN="CENTER"><FONT SIZE=1><B>Base<BR>
Rate</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="5%" ALIGN="CENTER"><FONT SIZE=1><B>Euro<BR>
Rate</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="5%" ALIGN="CENTER"><FONT SIZE=1><B>Base<BR>
Rate</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="TOP">
<TD WIDTH="40%"><FONT SIZE=2>Rating Level 1</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>4.00</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>N/A</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>2.00</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>1.00</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>3.75</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>2.75</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>4.25</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>2.75</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
</TR>
<TR BGCOLOR="White" VALIGN="TOP">
<TD WIDTH="40%"><FONT SIZE=2>Rating Level 2</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>4.00</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>N/A</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>2.25</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>1.25</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>3.75</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>2.75</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>4.25</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>2.75</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="TOP">
<TD WIDTH="40%"><FONT SIZE=2>Rating Level 3</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>4.25</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>N/A</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>2.50</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>1.50</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>4.00</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>3.00</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>4.50</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
<TD WIDTH="5%" ALIGN="RIGHT"><FONT SIZE=2>3.00</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>%</FONT></TD>
</TR>
</TABLE>
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<P><FONT SIZE=2>,
(ii)&nbsp;deleting the text "Rating Level 2" appearing in the last sentence of said definition and inserting the text "Rating Level 3" in lieu thereof and (iii)&nbsp;inserting the following
sentence at the end of said definition: </FONT></P>

<UL>

<P><FONT SIZE=2>"It
is understood and agreed that for periods prior to the Fourth Amendment 100% Effective Date, the "Applicable Margin" for B Term Loans shall be determined in accordance with the definition of
"Applicable Margin" used in this Agreement (as in effect immediately prior to the Fourth Amendment 100% Effective Date).". </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;13.&nbsp;&nbsp;&nbsp;The
definition of "European Reorganization" appearing in Section&nbsp;10 of the Credit Agreement is hereby deleted in its entirety and the following new definition of
"European Reorganization" is inserted in lieu thereof: </FONT></P>

<UL>

<P><FONT SIZE=2>"European
Reorganization" shall mean (i)&nbsp;the contribution and/or transfer by the Borrower of the Equity Interests of the Foreign Subsidiaries of the Borrower set forth on Annex II to the Second
Amendment to one or more Wholly-Owned Foreign Subsidiaries of the Borrower and (ii)&nbsp;the transfer by Dade Behring B.V. of the Equity Interests of Dade Behring Portugal-Meios de Diagnostica
Medico Lda, Dade Behring Vertriebs Beteiligungs GmbH and Dade Behring S.p.A. to the Borrower and the transfer by the Borrower of such Equity Interests to Dade Behring Holding GmbH. </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;14.&nbsp;&nbsp;&nbsp;The
definition of "Pledge Agreements" appearing in Section&nbsp;10 of the Credit Agreement is hereby amended by deleting the text "the Bermuda Subsidiary Pledge
Agreement, the Borrower Local Law Bermuda Pledge Agreement" appearing in said definition. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>2</FONT></P>

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<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;15.&nbsp;&nbsp;&nbsp;The
definition of "Subsidiary Guarantor" appearing in Section&nbsp;10 of the Credit Agreement is hereby amended by (i)&nbsp;inserting the text "Wholly-Owned U.S."
immediately prior to the text "Subsidiary of the Borrower" appearing in said definition and (ii)&nbsp;deleting the text "relevant" appearing immediately before the second reference to "Subsidiary
Guaranty" appearing therein. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;16.&nbsp;&nbsp;&nbsp;The
definition of "Subsidiary Guaranty" appearing in Section&nbsp;10 of the Credit Agreement is hereby amended to read in its entirety as follows: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"Subsidiary
Guaranty" shall mean and include the Subsidiary Guaranty and any other guaranty executed and delivered by any Subsidiary of the Borrower pursuant to Sections 7.15 and/or
8.15. </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;17.&nbsp;&nbsp;&nbsp;Section&nbsp;10
of the Credit Agreement is hereby further ame nded by (i)&nbsp;deleting the definitions of "Applicable Credit Rating Level," "Rating Level 1" and
"Rating Level 2" appearing in said Section and (ii)&nbsp;inserting the following new definitions in appropriate alphabetical order: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"Applicable
Credit Rating Level" shall mean, at any time, Rating Level 1, Rating Level 2 or Rating Level 3, as in effect at such time. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"Fourth
Amendment" shall mean the Fourth Amendment and Consent to this Credit Agreement, dated as of March&nbsp;12, 2004. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"Fourth
Amendment 100% Effective Date" shall have the meaning provided in the Fourth Amendment. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"Rating
Level 1" shall mean the rating level at any time the Obligations are rated both (i)&nbsp;BB or higher by Standard&nbsp;&amp; Poor's Ratings Services and (ii)&nbsp;Ba2 or higher
by Moody's Investor Service,&nbsp;Inc. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"Rating
Level 2" shall mean the rating level at any time Rating Level 1 is not in effect and the Obligations are rated both (i)&nbsp;BB- or higher by Standard&nbsp;&amp;
Poor's Ratings Services and (ii)&nbsp;Ba3 or higher by Moody's Investor Service,&nbsp;Inc. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"Rating
Level 3" shall mean the rating level at any time when neither Rating Level 1 nor Rating Level 2 is in effect. </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;18.&nbsp;&nbsp;&nbsp;Section&nbsp;10
of the Credit Agreement is hereby further amended by deleting the definitions of "Bermuda Subsidiary Pledge Agreement," "Bermuda Subsidiary Guarantor,"
"Bermuda Subsidiary Guaranty," "Bermuda Local Law Pledge Agreement," "U.S. Subsidiary Guarantor" and "U.S. Subsidiary Guaranty" appearing in said Section. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;19.&nbsp;&nbsp;&nbsp;The
Credit Agreement is hereby further amended by (i)&nbsp;changing each reference to "U.S. Subsidiary Guarantor" or "U.S. Subsidiary Guarantors" appearing in Sections
5A.10, 5A.11, 6.25 or 8.04(c), to "Subsidiary Guarantor" or "Subsidiary Guarantors," as the case may be, and (ii)&nbsp;changing each reference to "U.S. Subsidiary Guaranty" appearing in Sections
5A.11, 6.25, 7.15 or 8.15(a) to "Subsidiary Guaranty". </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;20.&nbsp;&nbsp;&nbsp;Notwithstanding
anything to the contrary contained in Section&nbsp;7.11 of the Credit Agreement, neither the Borrower nor any of its relevant Subsidiaries shall be
required to enter into a leasehold mortgage in respect of any renewal or replacement of any Leasehold set forth on Annex I hereto (including any new single Leasehold which replaces one or more of the
Leaseholds set forth on said Annex I). </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>3</FONT></P>

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<DL compact>
<DT style='margin-bottom:-11pt;'><FONT SIZE=2>II.</FONT></DT><DD><FONT SIZE=2><I>Miscellaneous Provisions.</I></FONT></DD></DL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In
order to induce the Lenders to enter into this Fourth Amendment, each of Holdings and the Borrower hereby represents and warrants that </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;&nbsp;&nbsp;no
Default or Event of Default exists as of (x)&nbsp;the Fourth Amendment General Effective Date (as defined below), both before and after giving effect thereto and
(y)&nbsp;the Fourth Amendment 100% Effective Date (as defined below), both before and after giving effect thereto; and </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&nbsp;all
of the representations and warranties contained in the Credit Agreement or the other Credit Documents are true and correct in all material respects on the Fourth
Amendment General Effective Date and the Fourth Amendment 100% Effective Date, both before and after giving effect to the respective such date, with the same effect as though such representations and
warranties had been made on and as of the Fourth Amendment General Effective Date or the Fourth Amendment 100% Effective Date, as the case may be (it being understood that any representation or
warranty made as of a specific date shall be true and correct in all material respects only as of such specific date). </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This
Fourth Amendment is limited as specified and shall not constitute a modification, acceptance or waiver of any other provision of the Credit Agreement or any other
Credit Document. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This
Fourth Amendment may be executed in any number of counterparts and by the different parties hereto on separate counterparts, each of which counterparts when executed
and delivered shall be an original, but all of which shall together constitute one and the same instrument. A complete set of counterparts shall be lodged with the Borrower and the Administrative
Agent. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT
SIZE=2><B>THIS FOURTH AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAW OF THE
STATE OF NEW YORK.</B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)
The provisions of Part&nbsp;I of this Fourth Amendment (other than Sections 3, 4, 5, 12 and 17)&nbsp;shall become effective on the date (the
"</FONT><FONT SIZE=2><I>Fourth Amendment General Effective Date</I></FONT><FONT SIZE=2>") when each of Holdings, the Borrower and Lenders constituting the Required Lenders and shall have signed a
counterpart hereof (whether the same or different counterparts) and shall have delivered (including by way of facsimile transmission) the same to White&nbsp;&amp; Case LLP, 1155 Avenue of the Americas,
New York, NY 10036 Attention: Neerav Shah (facsimile number 212-354-8113). </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&nbsp;The
provisions of Sections I.3, I.4, I.5, I.12 and I.17 of this Fourth Amendment shall become effective on the date (the "</FONT><FONT SIZE=2><I>Fourth Amendment 100%
Effective Date</I></FONT><FONT SIZE=2>") when each of the following conditions shall have been satisfied: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;&nbsp;each
Lender with outstanding B Term Loans on such date shall have signed a counterpart hereof (whether the same or different counterparts) and shall have delivered the
same to White&nbsp;&amp; Case LLP as provided in preceding clause&nbsp;(a); and </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;&nbsp;the
Fourth Amendment General Effective Date shall have occurred. </FONT></P>

</UL>
</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;From
and after the Fourth Amendment General Effective Date and the Fourth Amendment 100% Effective Date, all references in the Credit Agreement and each of the other
Credit Documents to the Credit Agreement shall be deemed to be references to the Credit Agreement as modified hereby on the Fourth Amendment General Effective Date or the Fourth Amendment 100%
Effective Date, as the case may be. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>*
* * </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>4</FONT></P>

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<P><FONT SIZE=2>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN WITNESS WHEREOF, the parties hereto have caused their duly authorized officers to execute and deliver this fourth Amendment as of the date first above written. </FONT></P>

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<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=3><FONT SIZE=2>DADE BEHRING HOLDINGS, INC.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>MARK W. MORAN</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Name:</FONT></TD>
<TD WIDTH="42%" ALIGN="CENTER"><FONT SIZE=2>Mark W. Moran</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Title:</FONT></TD>
<TD WIDTH="42%" ALIGN="CENTER"><FONT SIZE=2>Corporate Vice President and Treasurer<BR>
DADE BEHRING INC.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD COLSPAN=3><FONT SIZE=2><BR>
DADE BEHRING INC.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>MARK W. MORAN</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Name:</FONT></TD>
<TD WIDTH="42%" ALIGN="CENTER"><FONT SIZE=2>Mark W. Moran</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Title:</FONT></TD>
<TD WIDTH="42%" ALIGN="CENTER"><FONT SIZE=2>Corporate Vice President and Treasurer<BR>
DADE BEHRING INC.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD COLSPAN=3><FONT SIZE=2><BR>
DEUTSCHE BANK AG, NEW YORK BRANCH,<BR>
&nbsp;&nbsp;&nbsp;&nbsp;Individually and as Administrative Agent</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=2><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Name:</FONT></TD>
<TD WIDTH="42%" ALIGN="CENTER"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Title:</FONT></TD>
<TD WIDTH="42%" ALIGN="CENTER"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD COLSPAN=2><BR><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Name:</FONT></TD>
<TD WIDTH="42%" ALIGN="CENTER"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Title:</FONT></TD>
<TD WIDTH="42%" ALIGN="CENTER"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
</TABLE>
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<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN WITNESS WHEREOF, the parties hereto have caused their duly authorized officers to execute and deliver this fourth Amendment as of the date first above written. </FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=3><FONT SIZE=2>DADE BEHRING HOLDINGS, INC.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=2><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Name:</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Title:</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD COLSPAN=3><FONT SIZE=2><BR>
DADE BEHRING INC.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=2><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Name:</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Title:</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=3><FONT SIZE=2>DEUTSCHE BANK AG, NEW YORK BRANCH,<BR>
Individually and as Administrative Agent</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>CARIN KEEGAN</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Name:</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2>Carin Keegan</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Title:</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2>Vice President</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>SUSAN LEFEVRE</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Name:</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2>Susan LeFevre</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="42%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="5%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2>Title:</FONT></TD>
<TD WIDTH="42%"><FONT SIZE=2>Director</FONT></TD>
</TR>
</TABLE>
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<P ALIGN="CENTER"><FONT SIZE=2><I>ANNEX I  </I></FONT></P>

<P><FONT SIZE=2>Leaseholds
of property at the following locations: </FONT></P>

<P><FONT SIZE=2>101
Silvermine Road, Brookfield, Connecticut </FONT></P>

<P><FONT SIZE=2>200
and 202 Centerpoint Boulevard Route 273, New Castle, Delaware </FONT></P>

<P><FONT SIZE=2>2040
Enterprise Boulevard, West Sacramento, California </FONT></P>

<P><FONT SIZE=2>20400
Mariani Avenue, Cupertino, California </FONT></P>

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<BR>
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<BR>
<P><br><A NAME="04CHI2615_2">QuickLinks</A><br></P><!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_km2616_1">FOURTH AMENDMENT AND CONSENT TO CREDIT AGREEMENT</A></FONT><BR>
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