Document:

<B><P ALIGN="CENTER"> Exhibit 10.158 </P>
<P ALIGN="CENTER"><CENTER><TABLE BORDER CELLSPACING=1 CELLPADDING=7 WIDTH=709>
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<FONT FACE="Arial Narrow" SIZE=7><P ALIGN="RIGHT"><IMG SRC="image9.gif" WIDTH=109 HEIGHT=103></FONT></TD>
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<FONT FACE="Univers,Arial" SIZE=6><P>State of California</P>
<P ALIGN="CENTER">Bill Jones</P>
</FONT><FONT FACE="Arial Narrow" SIZE=5><P ALIGN="CENTER">Secretary of State</P></DIR>
</DIR>

</FONT><B><FONT FACE="Arial" SIZE=4><P>LIMITED LIABILITY COMPANY</P>
<P>ARTICLES OF ORGANIZATION</B></FONT></TD>
<TD WIDTH="30%" VALIGN="TOP" ROWSPAN=2 HEIGHT=80>
<FONT FACE="Arial" SIZE=1><P ALIGN="JUSTIFY">File #<U>&#9;</P>
</U><P ALIGN="CENTER">This Space For Filing Use Only</FONT></TD>
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<TR><TD WIDTH="70%" VALIGN="TOP" COLSPAN=2>
<B><FONT FACE="Univers,Arial" SIZE=1><P ALIGN="CENTER">A $70.00 filing fee must accompany this form.</P><DIR>
<DIR>

<P>IMPORTANT  -  Read instructions before completing this form.</DIR>
</DIR>
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<OL>

<FONT FACE="Univers,Arial" SIZE=1><LI>Name of the limited liability company (end the name with the words &quot;Limited Liability Company,&quot; &quot;Ltd. Liability Co.,&quot; or the abbreviations &quot;LLC&quot; or &quot;L.L.C.&quot;)</FONT><B><FONT FACE="Univers,Arial" SIZE=2> Axys 468 Littlefield LLC</B></FONT></TD>
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<FONT FACE="Univers,Arial" SIZE=1><LI>The purpose of the limited liability company is to engage in any lawful act or activity for which a limited liability company may be organized under the Beverly-Killea limited liability company act.</FONT></TD>
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<FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY"><LI>Name the agent for service of process and check the appropriate provision below:</LI></P>
</FONT><U><FONT FACE="Univers,Arial" SIZE=2><P ALIGN="JUSTIFY">                   David Riggs                                                                                        </U></FONT><FONT FACE="Univers,Arial" SIZE=1>which is</P>
<P ALIGN="JUSTIFY">[&nbsp;</FONT><FONT FACE="Univers,Arial" SIZE=2>X</FONT><FONT FACE="Univers,Arial" SIZE=1>&nbsp;] an individual residing in California.  Proceed to item 4.</P>
<P ALIGN="JUSTIFY">[&nbsp;&nbsp;] a corporation which has filed a certificate pursuant to section 1505.  Proceed to item 5.</FONT></TD>
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<FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY"><LI>If an individual, California address of the agent for service of process:</LI></P>
<P ALIGN="JUSTIFY">Address:</FONT><FONT FACE="Univers,Arial" SIZE=2> 180 Kimball Way</P>
</FONT><FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY">City:</FONT><FONT FACE="Univers,Arial" SIZE=2> South San Francisco</FONT><FONT FACE="Univers,Arial" SIZE=1>&#9;State:  </FONT><FONT FACE="Univers,Arial" SIZE=2>CA</FONT><FONT FACE="Univers,Arial" SIZE=1>&#9;Zip Code  </FONT><FONT FACE="Univers,Arial" SIZE=2>94080</FONT></TD>
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<FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY"><LI>The limited liability company will be managed by:  <B>(check one)</LI></P>
<P ALIGN="JUSTIFY">[&nbsp;&nbsp;] one manager&#9;[&nbsp;&nbsp;] more than one manager&#9;[X] limited liability company members</B></FONT></TD>
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<FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY"><LI>Other matters to be included in this certificate may be set forth on separate attached pages and are made a part of this certificate.</LI></P>
<P>Other matters may include the latest date on which the limited liability company is to dissolve.</FONT></TD>
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<FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY"><LI>Number of pages attached, if any:     </FONT><FONT FACE="Univers,Arial" SIZE=2>0</FONT></TD>
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<FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY"><LI>Type of business of the limited liability company. (For informational purposes only)  </FONT><FONT FACE="Univers,Arial" SIZE=2>Real Estate Investments</FONT></TD>
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<B><FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY"><LI>DECLARATION:</B>  It is hereby declared that I am the person who executed this instrument, which execution is my act and deed.</LI></P>
<U><P ALIGN="JUSTIFY">&#9;</U>&#9;</FONT><U><FONT FACE="Univers,Arial" SIZE=2>Ravi Kotecha&#9;</P>
</U></FONT><FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY">Signature of Organizer&#9;&#9;Type or Print name of Organizer</P>
</FONT><U><FONT FACE="Univers,Arial" SIZE=2><P ALIGN="JUSTIFY">May 3, 2001</FONT><FONT FACE="Univers,Arial" SIZE=1>&#9;</P>
</U><P ALIGN="JUSTIFY">Date </FONT></TD>
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<FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY"><LI><HR ALIGN="RIGHT" WIDTH="5%" SIZE=1><HR ALIGN="LEFT" WIDTH="4%" SIZE=1><HR ALIGN="RIGHT" WIDTH="5%" SIZE=1><HR ALIGN="LEFT" WIDTH="4%" SIZE=1></OL>
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<FONT FACE="Univers,Arial" SIZE=1><P ALIGN="JUSTIFY">SEC/STATE (REV. 12/99)&#9;FORM LLC-1 - FILING FEE $70.00</P>
<P ALIGN="JUSTIFY">&#9;Approved by Secretary of State</DIR>
</FONT></TD>
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<P ALIGN="JUSTIFY"></P></BODY>
</HTML>AMENDMENT NO. 4 TO THE RIGHTS AGREEMENT
     This  Amendment  No. 4, dated as of June 25, 2001 (this "Amendment No. 4"),
is  to  the  Rights Agreement, dated as of September 29, 1995, between ABC-NACO,
Inc.,  a Delaware corporation (the "Company"), and LaSalle National Trust, N.A.,
a  national  banking  association  (the  "Rights  Agent").
                                   WITNESSETH:
     WHEREAS,  the  Company  and  the  Rights  Agent are parties to that certain
Rights  Agreement  dated  as  of September 29, 1995, and amended on November 18,
1996,  September  18,  1998  and  March  8,  2000  (as  so  amended, the "Rights
Agreement");  and
WHEREAS,  the  Company intends to issue and sell a series of its Preferred Stock
to certain investors affiliated with Furman Selz (the "Investors") pursuant that
certain  Series  C  Preferred  Stock and Common Stock Warrant Purchase Agreement
dated as of April 17, 2001 (the "Series C Purchase Agreement"), by and among the
Company  and  the  Investors;  and
WHEREAS,  the  Company  and  the  Investors  are  parties  to a certain Exchange
Agreement  dated  as  of  April 17, 2001 (the "Exchange Agreement"), pursuant to
which  the  Company  has  offered  to  exchange and the Investors have agreed to
exchange,  all  of  the  outstanding shares of the Company's Series B Cumulative
Convertible  Preferred Stock, par value $1.00 per share, for a new series of the
Company's  preferred  stock,  to be designated Series B-1 Cumulative Convertible
Participating  Preferred  Stock,  par  value  $1.00  per  share;  and
WHEREAS,  the  Company and the Investors desire that the Rights Agreement not be
applicable  to  any  current  or  future acquisitions of shares of the Company's
Common  Stock  by  the  Investors  and  their  transferees,  including  without
limitation,  such  acquisitions as may relate to, be in connection with or occur
as  a  result of the Series C Purchase Agreement or the Exchange Agreement ; and
WHEREAS,  pursuant to and in compliance with the provisions of Section 27 of the
Rights  Agreement,  the  Company and the Rights Agent desire to amend the Rights
Agreement  as  hereinafter  set  forth.
NOW,  THEREFORE,  in  consideration  of  the  premises  and  agreements  herein
contained,  the  Company  and  the  Rights  Agent  agrees  as  follows:
SECTION  I.          Defined  Terms.  Capitalized  terms  used  but  not defined
herein  shall  have  the  meanings  given to such terms in the Rights Agreement.
SECTION  II.          Amendment  to  the  Rights  Agreement.
2.01.          The  definition  of "Acquiring Person" in Section 1 of the Rights
Agreement  is  amended  by  deleting  such  definition  in  its  entirety  and
substituting  in  lieu  thereof  the  following  new  defined  term:
"Acquiring  Person"  shall mean any Person (as such term is hereinafter defined)
who  or  which,  together  with all Affiliates and Associates (as such terms are
hereinafter defined) of such Person, shall be the Beneficial Owner (as such term
is  hereinafter defined) of 15% or more of the Common Shares of the Company then
outstanding,  but  shall not include the Company, any Subsidiary of the Company,
any  employee  benefit  plan of the Company or of any Subsidiary of the Company,
any  person  or entity holding Common Shares for or pursuant to the terms of any
such  plan  or  any  of  the  ING  Holders;  provided  that  for purposes of the
definition  of  Acquiring  Person, the terms Affiliates and Associates shall not
include  the  ING  Holders.

     Notwithstanding the foregoing, no Person shall become an "Acquiring Person"
as  the  result  of (i) an acquisition of Common Shares by the Company which, by
reducing the number of shares outstanding, increases the proportionate number of
shares  beneficially owned by such Person to 15% or more of the Common Shares of
the  Company  then  outstanding,  (ii)  the acquisition by such Person of Common
Shares  solely  as  a  result  of  its market making activities in the Company's
securities  undertaken  solely  in  its capacity as a market-maker in accordance
with the rules of the National Association of Securities Dealers, Inc., or (iii)
the  acquisition  by such Person of newly-issued Common Shares directly from the
Company  (it  being  understood  that  a  purchase  from an underwriter or other
intermediary  is  not  deemed for purposes hereof to be a purchase directly from
the  Company);  provided,  however, that if a Person shall become the Beneficial
Owner  of  15%  or  more of the Common Shares of the Company then outstanding by
reason  of  share purchases by the Company or the receipt of newly-issued shares
directly  from  the  Company  and  shall,  after  such share purchases or direct
issuance  by  the  Company, become the Beneficial Owner of any additional Common
Shares  of the Company (and thereafter remains a Beneficial Owner of 15% or more
of  the Common Shares of the Company), then such Person shall be deemed to be an
"Acquiring  Person";  provided  further,  however, that any transferee from such
Person  who  becomes the Beneficial Owner of 15% or more of the Common Shares of
the  Company  then  outstanding shall nevertheless be deemed to be an "Acquiring
Person."

     Notwithstanding  the  foregoing,  if  the Board of Directors of the Company
determines  in  good  faith  that  a Person who would otherwise be an "Acquiring
Person,"  as defined pursuant to the foregoing provisions of this paragraph, has
become  such  inadvertently,  and such Person divests as promptly as practicable
(and  in any event within ten business days after notification by the Company) a
sufficient  number  of  Common  Shares so that such Person would no longer be an
Acquiring  Person,  as  defined  pursuant  to  the  foregoing provisions of this
paragraph,  then such Person shall not be deemed to be an "Acquiring Person" for
any  purposes  of  this  Agreement.

     Notwithstanding  anything  in  this  Agreement to the contrary, (i) none of
NACO  or  any  of  its  permitted  assignees  or  transferees shall be deemed an
Acquiring  Person, and none of a Distribution Date, a Shares Acquisition Date, a
Triggering  Event  or  an  event  described in the first clause (i) or the first
clause  (ii)  of  Section 34(b) shall be deemed to occur or to have occurred, in
each  such  case, by reason of the approval, execution or delivery of the Merger
Agreement,  the  consummation of the Merger (as defined in the Merger Agreement)
or  the  consummation  of  the  other  transactions  contemplated  by the Merger
Agreement  and  (ii)  any  Person (other than the Company, any Subsidiary of the
Company,  any  employee  benefit plan of the Company or of any Subsidiary of the
Company,  or  any  Person  for or pursuant to the terms of any such plan) who or
which, together with all Affiliates and Associates of such Person, is, as of the
Effective Time (as defined in the Merger Agreement), the Beneficial Owner of 15%
or  more  of  the  then-  outstanding Common Shares, shall not be deemed to have
become  an Acquiring Person unless and until such time as (A) such Person or any
Affiliate or Associate of such Person thereafter becomes the Beneficial Owner of
additional  Common Shares representing 1% or more of the then-outstanding Common
Shares  other  than  as  a  result  of  a stock dividend, stock split or similar
transaction  effected  by  the Company in which all holders of Common Shares are
treated  equally  or  (B) any other Person who is the Beneficial Owner of Common
Shares  representing 1% or more of the then-outstanding Common Shares thereafter
becomes  an  Affiliate  or  Associate  of  such  Person."

2.02.          Section 1 of the Rights Agreement is hereby amended by adding the
     following  new  defined  term:
"ING  Holders"  shall mean those persons and entities listed on Exhibit A to the
Series C Preferred Stock and Common Stock Warrant Purchase Agreement dated April
17, 2001 by and among the Company and the Investors set forth therein and any of
their  transferees."

SECTION  III.          Miscellaneous.
3.01.          Governing  Law.  This  Amendment No. 4 shall be deemed to be made
under  the  laws of the State of Delaware and for all purposes shall be governed
by  and construed in accordance with the laws o the State of Delaware applicable
to  contracts  to  be  made and performed entirely within the State of Delaware.
3.02.          Counterparts.  This Amendment No. 4 may be executed in any number
of  counterparts  and each of such counterparts shall for all purposes be deemed
to  be  an original, and all such counterparts shall together constitute but one
and  the  same  instrument.
3.03.          Descriptive Headings.  Descriptive heading of several Sections of
this  Amendment  No.  4  have  been  inserted for convenience only and shall not
control  or  affect the meaning or construction of any of the provisions hereof.
3.04.          Ratification.  This  Amendment  No. 4 is limited as specified and
shall  not constitute a modification, acceptance, consent or waiver of any other
provision of the Rights Agreement.  The Rights Agreement, including the Exhibits
thereto  as  hereby  amended, is in all respects ratified and confirmed, and all
rights  and  powers  created  thereby  or thereunder shall be and remain in full
force  and effect.  From and after the date hereof, all references in the Rights
Agreement,  the  Exhibits  thereto and all other documents related to the Rights
Agreement  shall be deemed to be references to the Rights Agreement after giving
effect  to  this  Amendment  No.  4.
3.05.          Effectiveness.  This Amendment No. 4 shall be effective as of the
day  and  year  first  above  written.

<PAGE>
IN  WITNESS  WHEREOF,  the  parties  have caused this Amendment No. 4 to be duly
executed  and  attested  as  of  the  day  and  year  first  above  written.
     ABC-NACO INC.
     By: ______________________
     Name: Wayne R. Rockenbach
     Title: Chief Financial Officer

ATTEST:
     By: _______________________
     Name: Mark F. Baggio
     Title: Vice President, General Counsel and Secretary

LASALLE  BANK  NATIONAL  ASSOCIATION
By:     __________________________________
Name:     __________________________________
Title:     __________________________________
ATTEST:
By:     ________________________
Name:     ________________________
Title:     ________________________

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