SEEBEYOND TECHNOLOGY CORP
EXHIBIT 10.18
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<P ALIGN="RIGHT"><FONT SIZE=2><B>EXHIBIT 10.18  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="pa1060_amendment_to_loan_and_security_agreement"> </A>
<A NAME="toc_pa1060_1"> </A>
<BR></FONT><FONT SIZE=2><B>AMENDMENT<BR>  TO<BR>  LOAN AND SECURITY AGREEMENT    <BR>  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Amendment to Loan and Security Agreement is entered into as of June&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;, 2001 (the "Amendment"), be and between COMERCIA
BANK&#151;CALIFORNIA ("Bank") and SEEBEYOND TECHNOLOGY CORPORATION ("Borrower"). </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="pa1060_recitals"> </A>
<A NAME="toc_pa1060_2"> </A>
<BR></FONT><FONT SIZE=2><B>RECITALS    <BR>  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Borrower and Bank are parties to that certain Loan and Security Agreement dated as of December&nbsp;4, 2000, as amended from time to time (the "Agreement"). The
parties desire to amend the Agreement in accordance with the terms of this Amendment. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NOW,
THEREFORE, the parties agree as follows: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.&nbsp;&nbsp;&nbsp;&nbsp;Certain
defined terms in Section&nbsp;1 of the Agreement are hereby added or amended as follows: </FONT></P>

<UL>

<P><FONT SIZE=2>"Tangible
Net Worth" means at any date as of which the amount thereof shall be determined the sum of the capital stock and additional paid-in capital plus retained earnings (or minus accumulated
deficit) of Borrower and its Subsidiaries, minus intangible assets, plus Subordinated Debt, on a consolidated basis determined in accordance with GAAP. </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.10
of the Agreement hereby is replaced in its entirety with the following: </FONT></P>

<UL>
<UL>

<P><FONT SIZE=2>"6.10&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT
SIZE=2><I>Total Liabilities&#151;Tangible Net Worth.</I></FONT><FONT SIZE=2> Borrower shall maintain, as of the last day of each fiscal quarter, a ratio of
Total Liabilities to Tangible Net Worth of not more than 1.25 to 1.00." </FONT></P>

</UL>
</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.&nbsp;&nbsp;&nbsp;&nbsp;Exhibit&nbsp;D
to the Agreement hereby is replaced in its entirety with Exhibit&nbsp;D hereto. </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.&nbsp;&nbsp;&nbsp;&nbsp;Unless
otherwise defined, all initially capitalized terms in this Amendment shall be as defined in the Agreement. The Agreement, as amended hereby, shall be and remain in
full force and effect in accordance with its respective terms and hereby is ratified and confirmed in all respects. Except as expressly set forth herein, the execution, delivery and performance of
this Amendment shall not operate as a waiver of, or as an amendment of, any right, power, or remedy of Bank under the Agreement, as in effect prior to the date hereof. Borrower ratifies and reaffirms
the continuing effectiveness of all promissory notes, guarantees, security agreements, mortgages, deeds of trust, environmental agreements, and all other instruments, documents and agreements entered
into in connection with the Agreement. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.&nbsp;&nbsp;&nbsp;&nbsp;Borrower
represents and warrants that the representations and warranties contained in the Agreement are true and correct as of the date of this Amendment, and that no
Event of Default has occurred and is continuing. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.&nbsp;&nbsp;&nbsp;&nbsp;This
Amendment may be executed in two or more counterparts each of which shall be deemed an original, but all of which together shall constitute one instrument. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.&nbsp;&nbsp;&nbsp;&nbsp;As
a condition to the effectiveness of this Amendment, Banks hall have received, in form and substance satisfactory to Bank, the following: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;&nbsp;this
Amendment, duly executed by Borrower; </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;an
Affirmation of Security Agreement and Guaranty, executed by each of Borrower's subsidiaries, in substantially the forms attached hereto; </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;&nbsp;an
amount equal to all Bank Expenses incurred to date; and </FONT></P>

</UL>
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<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;&nbsp;such
other documents, and completion of such other matters, as Bank may reasonably deem necessary or appropriate. </FONT></P>

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<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN
WITNESS WHEREOF, the undersigned have executed this Amendment as of the first date above written. </FONT></P>

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COMERCIA BANK&#151;CALIFORNIA</FONT></TD>
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