EXHIBIT 4.2b


CONFORMED COPY


SECOND SUPPLEMENTAL
INDENTURE


SECOND
SUPPLEMENTAL INDENTURE, dated as of December 1, 2006 (this “Second Supplemental Indenture”), among IPSCO Inc. (the “Company”), the Guarantors (as defined herein), each other subsidiary
of the Company party hereto (each, an “Additional Guarantor”) and Wells Fargo Bank, N.A. (as successor by
merger with Wells Fargo Bank Minnesota N.A.), as trustee (the “Trustee”).


W I T N E S S E T H:


WHEREAS,
the Company, the Guarantors party thereto (collectively, the “Guarantors”) and the Trustee have entered into that certain
Indenture, dated as of June 18, 2003, providing for the issuance and delivery
by the Company of the Company’s 8.75% Senior Notes ( the “Securities” and each
a “series” of Securities);


WHEREAS,
additional Restricted Subsidiaries may become Guarantors pursuant to and in
accordance with Section 10.04 of the Indenture;


NOW,
THEREFORE, in consideration of the premises and the mutual agreements contained
herein and for other good and valuable consideration, the receipt and adequacy
of which are hereby acknowledged, the parties hereto agree that each Additional
Guarantor will be added as a Guarantor and shall unconditionally guarantee all
of the Company’s obligations under the Notes and the Indenture as follows:


NOTE GUARANTEE


Each
of the undersigned Additional Guarantors hereby jointly and severally
unconditionally guarantees, to the extent set forth in the Indenture dated as
of June 18, 2003, by and between the Company, as issuer, the Guarantors and the
Trustee (as amended, restated or supplemented from time to time, the “Indenture”), and subject to the provisions of the Indenture,
(a) the due and punctual payment of the principal of, and premium, if any, and
interest on the Notes, when and as the same shall become due and payable,
whether at maturity, by acceleration or otherwise, the due and punctual payment
of interest on overdue principal of, and premium and, to the extent permitted
by law, interest, and the due and punctual performance of all other obligations
of the Company to the Holders or the Trustee, all in accordance with the terms
set forth in Article Ten of the Indenture, and (b) in case of any extension of
time of payment or renewal of any Notes or any of such other obligations, that
the same shall be promptly paid in full when due or performed in accordance
with the terms of the extension or renewal, whether at stated maturity, by
acceleration or otherwise.










 



The
obligations of the Additional Guarantors to the Holders and to the Trustee
pursuant to the Note Guarantee and the Indenture are expressly set forth in
Article Ten of the Indenture and reference is hereby made to the Indenture for
the precise terms and limitations of the Note Guarantee.


MISCELLANEOUS


EFFECTIVE
DATE.  The effective date of this
amendment will be December 1, 2006.


INTERPRETATION.
 Upon execution and delivery of this Second
Supplemental Indenture, the Indenture shall be modified and amended in
accordance with this Second Supplemental Indenture, and all the terms and
conditions of both shall be read together as though they constitute one
instrument, except that, in case of conflict, the provisions of this Second
Supplemental Indenture will control. The Indenture, as modified and amended by
this Second Supplemental Indenture, is hereby ratified and confirmed in all
respects and shall bind every holder of Securities. In case of conflict between
the terms and conditions contained in the Securities and those contained in the
Indenture, as modified and amended by this Second Supplemental Indenture, the
provisions of the Indenture, as modified and amended by this Second
Supplemental Indenture, shall control.


CONFLICTS
WITH THE TRUST INDENTURE ACT.  If any
provision of this Second Supplemental Indenture limits, qualifies or conflicts
with any provision of the Trust Indenture Act of 1939 (the “TIA”) that is
required under the TIA to be part of and govern any provision of this Second
Supplemental Indenture, the provision of the TIA shall control. If any
provision of this Second Supplemental Indenture modifies or excludes any
provision of the TIA that may be so modified or excluded, the provision of the
TIA shall be deemed to apply to the Indenture as so modified or to be excluded
by this Second Supplemental Indenture.


SEVERABILITY.
 In case any provision in this Second
Supplemental Indenture shall be invalid, illegal or unenforceable, the
validity, legality and enforceability of the remaining provisions shall not in
any way be affected or impaired thereby.


TERMS
DEFINED IN THE INDENTURE.  All
capitalized terms not otherwise defined herein shall have the meanings ascribed
to them in the Indenture.


HEADINGS.
 The Article and Section headings of this
Second Supplemental Indenture have been inserted for convenience of reference
only, are not to be considered a part of this Second Supplemental Indenture and
shall in no way modify or restrict any of the terms or provisions hereof.










 



BENEFITS
UNDER THE SECOND SUPPLEMENTAL INDENTURE.  Nothing in this Second Supplemental Indenture
or the Securities, express or implied, shall give to any Person, other than the
parties hereto and thereto and their successors hereunder and thereunder and
the holders of the Securities, any benefit of any legal or equitable right,
remedy or claim under the Indenture, this Second Supplemental Indenture or the
Securities.


SUCCESSORS.
 All agreements of the Additional Guarantors
in this Second Supplemental Indenture shall bind their respective successors.
All agreements of the Trustee in this Second Supplemental Indenture shall bind
its successors.


THE
TRUSTEE.  The Trustee shall not be
responsible in any manner whatsoever for or in respect of the validity or
sufficiency of this Second Supplemental Indenture or for or in respect of the
recitals contained herein, all of which are made solely by the Additional Guarantors.


CERTAIN
DUTIES AND RESPONSIBILITIES OF THE TRUSTEE.  In entering into this Second Supplemental
Indenture, the Trustee shall be entitled to the benefit of every provision of
the Indenture relating to the conduct or affecting the liability or affording
protection to the Trustee, whether or not elsewhere herein so provided.


GOVERNING
LAW THIS SECOND SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN
ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK AS APPLIED TO CONTRACTS MADE
AND PERFORMED WITHIN THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF
CONFLICTS OF LAW.  Each of the parties
hereto agrees to submit to the jurisdiction of the courts of the State of New
York in any action or proceeding arising out of or relating to this Second
Supplemental Indenture.


COUNTERPART
ORIGINALS.  The parties may sign any
number of copies of this Second Supplemental Indenture. Each signed copy shall
be an original, but all of them together represent one and the same agreement.










 



IN
WITNESS WHEREOF, the parties hereto have caused this Second Supplemental
Indenture to be duly executed, all as of the date first above written.


[Signatures appear on the following pages.]










 



 


	
  

  	
  Wells
  Fargo Bank, N.A., as Trustee

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  Per:

  	
  /s/ Lynn M. Steiner

  
	
   

  	
   

  	
  Lynn M. Steiner

  
	
   

  	
   

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Issuer

  
	
   

  	
   

  
	
  

  	
  IPSCO Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  Per:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Guarantor (Existing)

  
	
   

  	
   

  
	
  

  	
  IPSCO Enterprises Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  Per:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Guarantor (Existing)

  
	
   

  	
   

  
	
  

  	
  IPSCO Minnesota Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  Per:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Guarantor (Existing)

  
	
   

  	
   

  
	
  

  	
  IPSCO Investments Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  Per:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Guarantor (Existing)

  



 


 










 



 


	
  

  	
  IPSCO Recycling Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Guarantor (Existing)

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Saskatchewan Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Guarantor (Existing)

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Steel (Alabama) Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Guarantor (Existing)

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Texas Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Guarantor (Existing)

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Tubulars Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Guarantor (Existing)

  
	
   

  	
   

  	
   

  



 










 



 


	
  

  	
  IPSCO Alabama Ltd.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  BY:

  	
   

  
	
   

  	
   

  	
  IPSCO Steel (Alabama) Inc.,

  
	
   

  	
   

  	
  its general
  partner

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  Newport Steel Corporation

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  Northern Kentucky Management Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  NS Group, Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
					



 










 



 


	
  

  	
  Ultra Premium Oilfield Services Ltd.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  UPOS GP, L.L.C.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  UPOS, L.L.C.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  Koppel Steel Corporation

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Finance (Canada) Corporation

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  



 










 



 


	
  

  	
  IPSCO Investments (Canada) Company

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Finance GP

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Finance (US) Corporation LLC

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Preferred LLC

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Tubulars (Oklahoma) Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO AFC Inc.

  
	
   

  	
   

  
	
   

  	
   

  



 










 



 


	
  

  	
  By:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  
	
   

  	
  Additional Guarantor

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Canada Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  	
   

  



 


 










 



CONFORMED COPY


 


NOTE GUARANTEE


Each
of the undersigned (the “Guarantors”)
hereby jointly and severally unconditionally guarantees, to the extent set
forth in the Indenture dated as of June 18, 2003, by and between IPSCO Inc., as
issuer, the Guarantors and Wells Fargo Bank Minnesota, N.A., as Trustee (as
amended, restated or supplemented from time to time, the “Indenture”),
and subject to the provisions of the Indenture, (a) the due and punctual
payment of the principal of, and premium, if any, and interest on the Notes,
when and as the same shall become due and payable, whether at maturity, by
acceleration or otherwise, the due and punctual payment of interest on overdue
principal of, and premium and, to the extent permitted by law, interest, and
the due and punctual performance of all other obligations of the Company to the
Holders or the Trustee, all in accordance with the terms set forth in Article
Ten of the Indenture, and (b) in case of any extension of time of payment or
renewal of any Notes or any of such other obligations, that the same shall be
promptly paid in full when due or performed in accordance with the terms of the
extension or renewal, whether at stated maturity, by acceleration or otherwise.


The
obligations of the Guarantors to the Holders and to the Trustee pursuant to
this Note Guarantee and the Indenture are expressly set forth in Article Ten of
the Indenture and reference is hereby made to the Indenture for the precise
terms and limitations of this Note Guarantee.










 



IN
WITNESS WHEREOF, each of the Guarantors has caused this Note Guarantee to be
signed by a duly authorized officer,


The Guarantors:


Dated:  December
1, 2006


[Signature pages follow.]










 



 


	
  

  	
  IPSCO Investments (Canada) Company

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Preferred
  LLC

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  IPSCO Finance (US) Corporation LLC

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Ultra Premium
  Oilfield Services Ltd.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  UPOS GP, L.L.C.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  



 










 



 


	
  

  	
  UPOS, L.L.C.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  

  	
  Northern
  Kentucky Management Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  

  	
  Newport Steel
  Corporation

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  

  	
  NS Group, Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  

  	
  IPSCO Tubulars
  (Oklahoma) Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Leslie T. Lederer

  
	
   

  	
   

  	
  Name:

  	
  Leslie T.
  Lederer

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  

  	
  IPSCO AFC Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  



 


 










 



 


	
  

  	
  IPSCO Canada
  Inc.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Vicki Avril

  
	
   

  	
   

  	
  Name:

  	
  Vicki Avril

  
	
   

  	
   

  	
  Title:

  	
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  

  	
  IPSCO Finance
  (Canada) Corporation

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  

  	
  IPSCO Finance GP

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Klebuc-Simes

  
	
   

  	
   

  	
  Name:

  	
  Michele
  Klebuc-Simes

  
	
   

  	
   

  	
  Title:

  	
  Assistant
  Secretary