Document:

AMENDMENT
      NO. 12

    TO
      AMENDED AND RESTATED CREDIT AGREEMENT,

    AMENDMENT
      NO. 1 TO AMENDED AND RESTATED PLEDGE AGREEMENT

    AND
      CONSENT

    

    THIS
      AMENDMENT NO. 12 TO AMENDED AND RESTATED CREDIT AGREEMENT, AMENDMENT NO. 1
      TO
      AMENDED AND RESTATED PLEDGE AGREEMENT AND CONSENT, dated as of March 14, 2008
      (the “Agreement”)
      relating to the Credit Agreement referenced below, is by and among WOLVERINE
      TUBE, INC., a Delaware
      corporation (the “Company”),
      certain of its Subsidiaries identified as Subsidiary Borrowers on the signature
      pages hereto and any additional Subsidiaries of the Company which become parties
      to the Credit Agreement in accordance with the terms thereof (collectively
      referred to as the “Subsidiary
      Borrowers”
and
      individually referred to as a “Subsidiary
      Borrower”)
      (hereinafter, the Company and the Subsidiary Borrowers are collectively referred
      to as the “Borrowers”
or
      referred to individually as a “Borrower”),
      each
      of the financial institutions identified as Lenders on the signature pages
      hereto (the “Lenders”
and
      each individually, a “Lender”),
      and
      WACHOVIA BANK, NATIONAL ASSOCIATION, (“Wachovia”),
      acting in the manner and to the extent described in Article XIII
      of the
      Credit Agreement (in such capacity, the “Administrative
      Agent”
or
      the
“Agent”).
      Terms
      used but not otherwise defined herein shall have the meanings provided in the
      Credit Agreement and the provisions of Sections 1.2 and 1.3 of the Credit
      Agreement related to the definitions shall apply herein.

    

    W
      I T N E
      S S E T H

    

    WHEREAS,
      a $35,000,000 credit facility has been extended to the Borrowers pursuant to
      the
      terms of that certain Amended and Restated Credit Agreement dated as of April
      28, 2005 (as amended, modified or otherwise supplemented from time to time,
      the
“Credit
      Agreement”)
      among
      the Borrowers, the Lenders, and the Administrative Agent;

    

    WHEREAS,
      the obligations of the Credit Parties under the Credit Agreement are secured
      by
      substantially all the assets of the Credit Parties and their respective future
      U.S. Subsidiaries pursuant to the terms of the Security Documents, including,
      without limitation, that certain Amended and Restated Pledge Agreement, dated
      as
      of April 28,
      2005 (as
      amended or otherwise modified prior to the date hereof, the “Pledge
      Agreement”),
      among
      the Borrowers and the Administrative Agent;

     

    WHEREAS,
      the Company intends (i) to enter into that certain Preferred Stock Purchase
      Agreement (the “Series
      B Preferred Stock Purchase Agreement”)
      with
      The Alpine Group, Inc. (“Alpine”)
      pursuant to which the Company and Alpine have agreed to enter into certain
      transactions, including the purchase by Alpine of certain shares of the
      Company’s Series B Preferred Stock (as defined therein) (collectively, the
      transactions described under this clause (i) being hereinafter referred to
      as
      the “Alpine
      Series B Transaction”)
      and
      (ii) to enter into a Note Exchange and Debenture Agreement (the “2009
      Senior Exchange and Debenture Agreement”)
      with
      Plainfield Special Situations Master Fund Limited (“Plainfield”)
      pursuant to which the Company and Plainfield have agreed to enter into certain
      transactions, including the issuance by the Company of up to $38,300,000 in
      10
      1/2 % senior exchange notes due March 28, 2009 (the “2009
      Senior Exchange Notes”)
      to
      Plainfield in exchange for the 2008 Senior Notes held by Plainfield under the
      2008 Senior Note Indenture (collectively, the transactions described under
      this
      clause (ii) being hereinafter referred to as the “Plainfield
      Exchange Note Transaction”);
      

     

    

    
      
        
           

        

        
          
          

          
            

          

        

        
           

        

      

    

    

     

     

    WHEREAS,
      the Company has informed the Administrative Agent that it (i) has formed
      Wolverine Wieland Singapore Holdings Private Limited, a company organized under
      the laws of Singapore (“W/W
      Singapore Holdings”),
      as a
      wholly-owned direct Subsidiary of Wolverine China Investments, LLC, a Delaware
      limited liability company (“Wolverine
      China”),
      (ii)
      will cause W/W Singapore Holdings to become the owner of 100% of the issued
      and
      outstanding shares of Wolverine Tube Shanghai Co., Ltd., a corporation organized
      under the laws of the Peoples Republic of China (“Wolverine
      Shanghai”)
      and
      (iii) will cause Wolverine China to initially sell 30% of the Capital Stock
      of
      W/W Singapore Holdings to Wieland-Werke AG, a corporation of the Federal
      Republic of Germany (“Wieland”)
      pursuant to the terms of a Purchase Agreement (the “Wolverine/Wieland
      Purchase Agreement”),
      among
      the Company, Wolverine China and Wieland, with an option (the “Wieland
      Option”)
      for
      Wieland to purchase an additional 20% of the issued and outstanding shares
      of
      W/W Singapore Holdings, and the Company has further requested that the
      Administrative Agent waive the requirement that Wolverine China pledge the
      Capital Stock it owns in W/W Singapore Holdings to the Agent as security for
      the
      Obligations pursuant to the terms of the Pledge Agreement (collectively, the
      transactions described herein being hereinafter referred to as the “Wolverine/Wieland
      Transaction”,
      and
      together with the Alpine Series B Transaction and the Plainfield Exchange Note
      Transaction, collectively, the “Transactions”);

     

    WHEREAS,
      the Borrowers have requested that the Lenders consent to the Transactions and
      in
      connection therewith, have requested that certain amendments be made to the
      Credit Agreement; and

    

    WHEREAS,
      the undersigned Lenders have agreed to consent to the Transactions and to amend
      the Credit Agreement as contemplated herein pursuant to the terms and conditions
      herein;

    

    NOW,
      THEREFORE, in consideration of these premises and other good and valuable
      consideration, the receipt and sufficiency of which are hereby acknowledged,
      the
      parties hereto agree as follows:

    

    (A) Amendments
      to Credit Agreement.
      Effective
      on (and subject to the occurrence of) the Amendment No. 12 Effective Date (as
      hereinafter defined), the Credit Agreement shall be amended as
      follows:

    

    1. The
      definition of “Change of Control” as set forth in Section 1.1 of the Credit
      Agreement is hereby amended by (i) deleting the word “and” at the end of clause
      (c) and inserting a “,”
      in lieu
      thereof and (ii) inserting the phrase “and
      (e) the occurrence of a “Change of Control” under the 2009 Senior Exchange and
      Debenture Agreement, the 2009 Senior Exchange Notes, or other documents
      evidencing the 2009 Senior Exchange Notes” immediately
      following the end of clause (d) thereof.

    

    
      
        
           

        

        
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    2. Section
      1.1 of the Credit Agreement is hereby amended by adding the following new
      definitions in the appropriate alphabetical order:

    

    “Series
      A Preferred Stock Certificate of Designations”
      means the Certificate of Designations of Series A Convertible Preferred Stock,
      attached as Exhibit
      A
      to
      the Series A Preferred Stock Purchase Agreement.

    

    “Series
      A Preferred Stock Purchase Agreement”
      means that certain Preferred Stock Purchase Agreement dated as of January 31,
      2007 among the Company, Alpine and Plainfield.

    

    “Series
      B Preferred Stock Certificate of Designations”
      means the Certificate of Designation of Series B Convertible Preferred Stock
      s,
      attached as Exhibit
      A
      to
      the Series B Preferred Stock Purchase Agreement.

     

    “Series
      B Preferred Stock Purchase Agreement”
      means that certain Preferred Stock Purchase Agreement between the Company and
      Alpine.

    

    “Series
      B Preferred Stock”
      means the convertible preferred stock designated as the Series B Convertible
      Preferred Stock of the Company having the rights, preferences, privileges and
      restrictions set forth in the Preferred Stock Certificate of Designations which
      shall be convertible into the Common Stock, par value $1.00 per share, of the
      Company in accordance with the terms thereof.

    

    “2009
      Senior Exchange and Debenture Agreement”
      means the Note Exchange and Debenture Agreement, by and among the Company,
      the
      guarantors named therein and Plainfield, as initial purchaser thereunder, as
      the
      same may be amended, modified, restated or supplemented and in effect from
      time
      to time in accordance with the terms hereof.

     

    “2009
      Senior Exchange Noteholders”
      means a collective reference to the holders from time to time of the 2009 Senior
      Exchange Notes and “2009
      Senior Exchange Noteholder”
      means any one of them.

     

    “2009
      Senior Exchange Notes”
      means a collective reference to the Company's $38,300,000 10 1/2% Senior
      Exchange Notes, due March 28, 2009, issued by the Company in favor of the 2009
      Senior Exchange Noteholders, pursuant to the 2009 Senior Exchange and Debenture
      Agreement, as such 2009 Senior Exchange Notes may be amended, modified, restated
      or supplemented and in effect from time to time in accordance with the terms
      hereof.

     

    3. Section
      1.1 of the Credit Agreement is hereby amended by deleting in their entirety
      the
      definitions of “Preferred Stock Certificate Designations” and Preferred Stock
      Purchase Agreement”.

    

    4. Section
      5.2 of the Credit Agreement is hereby amended by (i) re-lettering clauses (h)
      and (i) thereof as clauses (i) and (j), respectively, (ii) inserting a new
      clause (h) to read as follows:

    

    
      
        
           

        

        
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    (h) 2009
      Senior Exchange and Debenture Agreement.
      Immediately after giving effect to the making of a Loan or the issuance of
      a
      Letter of Credit, the Company shall not be in violation of the terms of the
      2009
      Senior Exchange and Debenture Agreement and shall demonstrate in writing
      compliance with Section 4.5(i) of the 2009 Senior Exchange and Debenture
      Agreement.

    

    (iii)
      amending and restating clause (i) in its entirety to read as
      follows:

    

    (i) Lien
      Sharing Provisions.
      Immediately after giving effect to the making of a Loan or the issuance of
      a
      Letter of Credit, no requirement shall be in effect that any of the Borrowers
      make effective provision whereby any or all of the 2008 Senior Notes, the 2009
      Senior Notes or the 2009 Senior Exchange Notes will be secured by a Lien equally
      and ratably with the Obligations.

    

    and
      (iv)
      amending and restating the last paragraph thereof in its entirety to read as
      follows:

    

    The
      delivery of each Notice of Borrowing and each request for a Letter of Credit
      shall constitute a representation and warranty by the applicable Borrower of
      the
      correctness of the matters specified in subsections (b), (c), (d), (e), (f),
      (g), (h), (i) and (j) above.

    

    5. Section
      7.1(j) of the Credit Agreement is hereby amended and restated in its entirety
      to
      read as follows:

    

    (j) As
      soon as available and in any event within thirty
      (30) days after the end of each Production Month of the Consolidated Parties,
      a
      certificate of a Senior Financial Officer of the Company demonstrating
      compliance with each of Section 4.3(i) of the 2008 Senior Note Indenture,
      Section 4.11(i) of the 2009 Senior Note Indenture and Section 4.5(i) of the
      2009
      Senior Exchange and Debenture Agreement by calculation thereof as of the end
      of
      each such Production Month (the certificate for the 12th
      Production Month of each year may be based on interim financials,
provided,
      that as soon as audited financial statements are available, if there are any
      discrepancies between the interim financials and audited financials affecting
      the calculations referred to hereinabove, a corrected certificate shall be
      resubmitted promptly to the Administrative Agent and the
      Lenders).

    

    6. Section
      9.1 of the Credit Agreement is hereby amended by (i) adding the phrase
“and
      the Series B Preferred Stock”
      to
      clause (m) thereof immediately following the word “Stock” appearing therein,
      (ii) deleting the word “and” from the end of clause (m) thereof, (iii)
      re-lettering clause (n) thereof as clause (o) and (iv) adding a new clause
      (n)
      thereto as follows: 

    

    
      
        
           

        

        
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    (n) Indebtedness
      of the Credit Parties arising under the 2009 Senior Exchange and Debenture
      Agreement and the 2009 Senior Exchange Notes in an aggregate principal amount
      of
      up to $38,300,000; and.

    

    7. Section
      9.7 of the Credit Agreement is hereby amended by amending and restating clause
      (iv) thereof in its entirety to read as follows: 

    

    (iv)
      the sale of the Series A Preferred Stock to Alpine and Plainfield in accordance
      with the Series A Preferred Stock Purchase Agreement and the sale of the Series
      B Preferred Stock to Alpine in accordance with the Series B Preferred Stock
      Purchase Agreement. 

    

    8. Section
      9.11 of the Credit Agreement is hereby amended by amended and restating clauses
      (c) and (d) thereof in their entirety to read as follows: 

    

    (c)
       dividends
      payable on the Series A Preferred Stock as and when due in accordance with
      the
      Series A Preferred Stock Certificate of Designations and dividends payable
      on
      the Series B Preferred Stock as and when due in accordance with the Series
      B
      Preferred Stock Certificate of Designations, in each case, so long as no Event
      of Default shall exist immediately before or after payment of such dividends
      and
      (d) dividends, distributions or other payments applied to the payment of the
      2008 Senior Notes, to the payment of the 2009 Senior Notes and to the payment
      of
      the 2009 Senior Exchange Notes to the extent any such payments are permitted
      to
      be made pursuant to Section 9.15 hereof; provided,
      however,
      that in each case described under clause (d) hereof, immediately before and
      after giving effect to such dividend, distribution or other payment, no Event
      of
      Default shall exist and the Company shall be in compliance with the terms and
      provisions of the 2008 Senior Note Indenture, the terms and provisions of the
      2009 Senior Note Indenture and the terms and provisions of the 2009 Exchange
      and
      Debenture Agreement, as applicable.

    

    9. Section
      9.14 of the Credit Agreement is hereby amended by amending and restating clause
      (y) thereof in its entirety to read as follows:

    

    (y)
      the 2008 Senior Note Indenture, the 2009 Senior Note Indenture and the 2009
      Senior Exchange and Debenture Agreement. 

    

    10. Section
      9.15 of the Credit Agreement is hereby amended and restated in its entirety
      to
      read as follows:

    

    
      
        
           

        

        
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    9.15 Other
      Indebtedness

     

    The
      Consolidated Parties will not effect or permit any change in or amendment to
      any
      document or instrument pertaining to the terms of payment or required
      prepayments of the 2008 Senior Notes, the 2009 Senior Notes or the 2009 Senior
      Exchange Notes, effect or permit any change in or amendment to any document
      or
      instrument pertaining to the covenants or events of default of the 2008 Senior
      Notes, the 2009 Senior Notes or the 2009 Senior Exchange Notes if the effect
      of
      any such change or amendment is to make such covenants or events of default
      more
      restrictive, give any notice of optional redemption or optional prepayment
      or
      offer to repurchase under any such document or instrument, or, directly or
      indirectly, make any payment of principal of or interest on or in redemption,
      retirement or repurchase of the 2008 Senior Notes, the 2009 Senior Notes or
      the
      2009 Senior Exchange Notes, except for (a) scheduled payments required by the
      terms of the documents and instruments evidencing the 2008 Senior Notes, the
      2009 Senior Notes and the 2009 Senior Exchange Notes, as the case may be and
      (b)
      so long as no Default or Event of Default shall have occurred and be continuing
      immediately prior to or immediately after giving effect to any of the actions
      or
      payments contemplated by this subsection 9.15(b), the Consolidated Parties
      may
      prepay, redeem or repurchase long-term (as such term is defined in accordance
      with GAAP) Indebtedness of any Borrower (i) in an amount not to exceed
      $10,000,000 in any fiscal year, provided the Excess Availability immediately
      prior to and immediately after giving effect to such prepayment shall be equal
      to or greater than $20,000,000 or (ii) with the proceeds from (1) the sale
      of
      any assets or properties permitted by Section 9.5(f) after compliance with
      Section 4.4(b)(ii) or (2) any Equity Issuance occurring after the Closing
      Date.

    

    11. Section
      9.17 of the Credit Agreement is hereby amended by amending an restating clauses
      (iv) and (v) thereof in their entirety to read as follows: 

    

    (iv)
      the 2008 Senior Note Indenture, the 2009 Senior Note Indenture and the 2009
      Senior Exchange and Debenture Agreement and (v) the Series A Preferred Stock
      Certificate of Designations and the Series B Preferred Stock Certificate of
      Designations. 

    

    12. Section
      11.1(g) is hereby amended by inserting the phrase “,
      the 2009 Senior Exchange Notes”
      immediately following the phrase “2009 Senior Notes” appearing
      therein.

    

    13. Each
      of
      the Schedules attached to the Credit Agreement is hereby deleted and replaced
      by
      the corresponding Schedule attached to this Agreement.

    

    (B) Amendments
      to Pledge Agreement.
      Effective
      on (and subject to the occurrence of) the Amendment No. 12 Effective Date (as
      hereinafter defined), Section 2 of the Pledge Agreement is hereby amended by
      (i)
      deleting clause (i) thereof appearing immediately after the phrase
“Notwithstanding the foregoing, it is further understood and agreed as follows”
in its entirety and (ii) renumbering clauses (ii) and (iii) thereof as clauses
      (i) and (ii), respectively. 

    

    
      
        
           

        

        
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    (C) Consent.
      Effective on (and subject to the occurrence of) the Amendment No. 12 Effective
      Date, the Lenders hereby consent to the following:

     

    1. Alpine
      Series B Transaction.
      The
      consummation of the Alpine Series B Transaction, including the Company’s
adoption
      and filing of the Series B Preferred Stock Certificate of
      Designations,
      so long
      as the following conditions have been met:

    

    (i) the
      Administrative Agent shall have received a fully executed copy of the Series
      B
      Preferred Stock Purchase Agreement and all related agreements executed in
      connection therewith, which agreements shall be in full force and effect and
      shall be reasonably satisfactory to the Administrative Agent; and

     

    (ii) after
      giving effect to the transactions contemplated by the Alpine Series B
      Transaction, (A) the representations and warranties contained in Article VI
      of the Credit Agreement, as amended hereby, shall be true and correct in all
      material respects on and as of the date thereof as though made on and as of
      such
      date (except for those representations and warranties which by their terms
      relate solely to an earlier date) and (ii) no Default or Event of Default
      shall exist under the Credit Agreement, as amended hereby, on and as of the
      date
      thereof.

     

    2. Plainfield
      Exchange Note Transaction.
      The
      consummation of the Plainfield Exchange Note Transaction, including the issuance
      of the 2009 Senior Exchange Notes, so long as the following conditions have
      been
      met:

    

    (i) the
      Administrative Agent shall have received a fully executed copy of the 2009
      Senior Exchange and Debenture Agreement and all related agreements executed
      in
      connection therewith, which agreements shall be in full force and effect and
      shall be reasonably satisfactory to the Administrative Agent; 

     

    (ii) the
      Administrative Agent shall have received evidence in writing satisfactory to
      it
      that after giving effect to the transactions contemplated by the 2009 Senor
      Exchange and Debenture Agreement, the Company is in compliance with the terms
      of
      the 2008 Senior Note Indenture, the 2009 Senior Note Indenture and the 2009
      Senior Exchange and Debenture Agreement, which writing shall expressly
      demonstrate compliance with Section 4.3(i) of the 2008 Senior Note Indenture,
      Section 4.11(i) of the 2009 Senior Note Indenture and Section 4.5(i) of the
      2009
      Senior Exchange and Debenture Agreement; and

     

    (iii) after
      giving effect to the transactions contemplated by the Plainfield Exchange Note
      Transaction, (A) the representations and warranties contained in Article VI
      of the Credit Agreement, as amended hereby, shall be true and correct in all
      material respects on and as of the date thereof as though made on and as of
      such
      date (except for those representations and warranties which by their terms
      relate solely to an earlier date) and (ii) no Default or Event of Default
      shall exist under the Credit Agreement, as amended hereby, on and as of the
      date
      thereof.

     

    

    
      
        
           

        

        
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    3. Wolverine/Wieland
      Transaction.
      The
      consummation of the Wolverine/Wieland Transaction, including (A) the sale of
      up
      to 30% of the issued and outstanding shares of W/W Singapore Holdings on the
      closing date thereof, (B) the exercise of the Wieland Option and (C) excluding
      Wolverine China from the requirement to pledge the Capital Stock of W/W
      Singapore Holdings owned by Wolverine China to the Agent pursuant to the terms
      of the Pledge Agreement, so long as the following conditions have been
      met:

    

    (i) the
      Administrative Agent shall have received a fully executed copy of the
      Wolverine/Wieland Purchase Agreement and all related agreements executed in
      connection therewith, including, without limitation, the Stock Option Agreement
      and the Voting Rights Agreement (as each such agreement is defined therein),
      which agreements shall be in full force and effect and shall be reasonably
      satisfactory to the Administrative Agent; and

     

    (ii) after
      giving effect to the transactions contemplated by the Wolverine/Wieland
      Transaction, (A) the representations and warranties contained in Article VI
      of the Credit Agreement, as amended hereby, shall be true and correct in all
      material respects on and as of the date thereof as though made on and as of
      such
      date (except for those representations and warranties which by their terms
      relate solely to an earlier date) and (ii) no Default or Event of Default
      shall exist under the Credit Agreement, as amended hereby, on and as of the
      date
      thereof.

     

    (D) Representations
      and Warranties.
      Each
      Credit Party hereby represents and warrants that (i) the representations
      and warranties contained in Article VI of the Credit Agreement are true and
      correct in all material respects on and as of the date hereof as though made
      on
      and as of such date (except for those representations and warranties which
      by
      their terms relate solely to an earlier date) and after giving effect to the
      transactions contemplated herein, (ii) no Default or Event of Default
      exists under the Credit Agreement on and as of the date hereof and after giving
      effect to the transactions contemplated herein, (iii) it has the corporate,
      limited liability company or limited partnership power and authority to execute
      and deliver this Agreement and to perform its obligations hereunder and has
      taken all necessary organizational action to authorize the execution, delivery
      and performance by it of this Agreement; (iv) it has duly executed and
      delivered this Agreement, and this Agreement constitutes its legal, valid and
      binding obligation enforceable in accordance with its terms except as the
      enforceability thereof may be limited by bankruptcy, insolvency or other similar
      laws affecting the rights of creditors generally or by general principles of
      equity and (v) neither
      the execution and delivery of this Agreement, nor the consummation of the
      transactions contemplated therein, nor performance of and compliance with the
      terms and provisions thereof will violate
      or conflict in any material respect with any material provision of its articles
      or certificate of incorporation or certificate of limited partnership or
      certificate of formation, bylaws, agreement of limited partnership or limited
      liability company agreement or violate, contravene or conflict in any material
      respect with contractual provisions of, or cause an event of default under,
      any
      indenture, including without limitation the 2008 Senior Note Indenture and
      2009
      Senior Note Indenture, loan agreement, mortgage, deed of trust, contract or
      other agreement or instrument to which it is a party or by which it may be
      bound.

    

    
      
        
           

        

        
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    (E) Effectiveness.
      This
      Agreement shall become effective upon the earliest date (the “Amendment
      No. 12 Effective Date”)
      on
      which the following conditions precedent have been satisfied:

    

    1. Executed
      Agreement.
      The
      Administrative Agent shall have received a fully executed counterpart of this
      Agreement from each party hereto.

    

    2. Amendment
      Fee; Expenses.
      The
      Administrative Agent shall have received from the Borrowers payment of an
      amendment fee in the amount of $25,000 and payment of all reasonable costs
      and
      expenses of the Administrative Agent in connection with the preparation,
      execution and delivery of this Agreement, including the reasonable fees and
      expenses of Mayer Brown LLP, and all previously incurred fees and expenses
      which
      remain outstanding on the effective date of this Agreement.

    

    3. Other
      Conditions Precedent.
      The
      Borrowers shall have completed all proceedings taken in connection with the
      transactions contemplated by this Agreement and delivered to the Administrative
      Agent all other documentation and other items incident thereto, and each shall
      be satisfactory to the Administrative Agent and its legal counsel, Mayer Brown
      LLP. Notwithstanding the foregoing, the effectiveness of the consent of the
      Administrative Agent to the Wolverine/Wieland Transaction shall not be subject
      to conditions precedent applicable only to the Alpine Series B Transaction
      and
      the Plainfield Exchange Note Transaction.

    

    (F) No
      Other Modification.
      Except
      to the extent specifically provided to the contrary in this Agreement, all
      terms
      and conditions of the Credit Agreement (including Exhibits and Schedules
      thereto), the Pledge Agreement (including Exhibits and Schedules thereto) and
      the other Credit Documents shall remain in full force and effect, without
      modification or limitation. This Agreement shall not operate as a consent to
      any
      other action or inaction by the Borrowers or any other Credit Party, or as
      a
      waiver or amendment of any right, power, or remedy of any Lender or the
      Administrative Agent under the Credit Agreement, the Pledge Agreement or any
      other Credit Document nor constitute a consent to any such action or inaction,
      or a waiver or amendment of any provision contained in the Credit Agreement,
      the
      Pledge Agreement or any other Credit Document except as specifically provided
      herein. Each of the Credit Parties acknowledges, confirms and agrees that the
      Credit Documents to which it is a party remain in full force and effect as
      of
      the date hereof and continue to secure all Obligations of each such Credit
      Party
      to any Lender or the Administrative Agent, and
      novation
      of any kind is hereby expressly disclaimed.

    

    (G) Release.
      In
      consideration of entering into this Agreement, each Credit Party
      (a) represents and warrants to the Administrative Agent and each Lender
      that as of the date hereof there are no causes of action, claims, actions,
      proceedings, judgments, suits, demands, damages or offsets against or defenses
      or counterclaims to its Obligations or Secured Obligations under the Credit
      Documents and furthermore, such Credit Party waives any and all such causes
      of
      action, claims, actions, proceedings, judgments, suits, demands, damages,
      offsets, defenses or counterclaims whether known or unknown, arising prior
      to
      the date of this Agreement and (b) releases the Administrative Agent and
      each Lender and each of their respective Affiliates, Subsidiaries, officers,
      employees, representatives, agents, counsel and directors from any and all
      actions, causes of action, claims, actions, proceedings, judgments, suits,
      demands, damages and liabilities of whatever kind or nature, in law or in
      equity, now known or unknown, suspected or unsuspected to the extent that any
      of
      the foregoing arises from any action or failure to act with respect to any
      Credit Document, on or prior to the date hereof.

    

    
      
        
           

        

        
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    (H) Governing
      Law.
      This
      Agreement shall be governed by and construed and interpreted in accordance
      with
      the laws of the State of North Carolina, without regard to the principles
      governing conflicts of laws thereof.

    

    (I) INCORPORATION
      BY REFERENCE OF CERTAIN PROVISIONS.
      THE
      PROVISIONS IN SECTIONS 14.5, 14.6, 14.8, 14.9, 14.10, 14.12, 14.13, 14.14,
      14.15, 14.19 AND 14.24 OF THE CREDIT AGREEMENT ARE HEREBY INCORPORATED BY
      REFERENCE HEREIN, MUTATIS
      MUTANDIS.

    

    

    [SIGNATURE
      PAGES FOLLOW]

     

    
 

    
      
         

      

      
        10

        
          

        

      

      
         

      

    

    

    Each
      of
      the parties hereto has caused a counterpart of this Agreement to be duly
      executed and delivered as of the date first above written.

    

    
      	 	
              COMPANY:

            
	 	
              WOLVERINE
                TUBE, INC.

            
	 	 	 
	 	
              By:

            	    

	 	
              Name:

            	    

	 	
              Title:

            	    

	 	 	 
	 	
              SUBSIDIARY
                BORROWERS:

            
	 	 
	 	
              TF
                INVESTOR, INC.

            
	 	 	 
	 	
              By:

            	    

	 	
              Name:

            	    

	 	
              Title:

            	    

	 	 	 
	 	
              TUBE
                FORMING HOLDINGS, INC.

            
	 	 	
               

                   

            
	 	
              By:

            	    

	 	
              Name:

            	    

	 	
              Title:

            	    

    

     

     

    
      	 	
              TUBE
                FORMING, L.P.

                  

            
	 	
              By:

            	
              Tube
                Forming Holdings, Inc.,

              its
                General Partner

            
	 	 	
            

    

    
      	 	
               

            	
              By:

            	    

	 	
               

            	
              Name:

            	    

	 	
            	
              Title:

            	    

    

     

     

     

    
      	 	

              Amendment
                No. 12 to Amended and Restated Credit Agreement,
Amendment
                No. 1 to Amended and Restated Pledge Agreement and
                Consent

            

    

    

    
      
        
           

        

        
          
          

          
            

          

        

        
           

        

      

    

    

    

     

    
      	 	
              WOLVERINE
                FINANCE, LLC

            
	 	 	
               

                   

            
	 	
              By:

            	    

	 	
              Name:

            	    

	 	
              Title:

            	    

	 	 	
               

                   

            
	 	
              WOLVERINE
                JOINING TECHNOLOGIES, LLC

            
	 	 	
               

                   

            
	 	
              By:

            	    

	 	
              Name:

            	    

	 	
              Title:

            	    

    

     

    
      	 	 	 
	 	
              WOLVERINE
                CHINA INVESTMENTS, LLC

            
	 	 	
                   

               

            
	 	
              By:

            	
              Wolverine
                Tube, Inc.,

              its
                Managing Member

            

    

    
      	 	 	 	     
	 	 	
              By:

            	     
	 	 	
              Name:

            	     
	 	 	
              Title:

            	     

    

     

    
      	 	 	 
	 	
              WT
                HOLDING COMPANY, INC.

            
	 	 	
                   

               

            
	 	
              By:

            	    

	 	
              Name:

            	    

	 	
              Title:

            	    

    

    

     

    
      
        	 	

                Amendment
                  No. 12 to Amended and Restated Credit Agreement,
Amendment
                  No. 1 to Amended and Restated Pledge Agreement and
                  Consent

              

      

    

    

    
      
        
           

        

        
          
          

          
            

          

        

        
           

        

      

    

    

    

     

    
      	 	
              AGENT
                AND LENDERS:

            
	 	
              WACHOVIA
                BANK, 

            
	 	
              NATIONAL
                ASSOCIATION, in its capacity

            
	 	
              as
                Administrative Agent and as a Lender

            
	 	 	     
	 	
              By:

            	    

	 	
              Name:

            	    

	 	
              Title:

            	    

    

    

     

    

     

    

    
 

    

    (signature
      pages end)

    

    

    

    
      
        	 	

                Amendment
                  No. 12 to Amended and Restated Credit Agreement,
Amendment
                  No. 1 to Amended and Restated Pledge Agreement and
                  ConsentUBS

    Credit
      Framework Agreement

    Corporate
      Financing UBS

    

    1.
       Borrower

     

    SES
      Societe d’Energie Solaire SA

    129,
      Route de Saint-Julien

    1228
      Plan-les-Ouates

    (hereinafter
      the “Borrower”)

    

    2.
       Lender

     

    UBS
      SA

    Plade
      de
      Cornavin 12

    1201
      Geneva

    (hereinafter
      the “UBS”)

    

    3.
       Amount
      of Credit

     

    UBS
      grants to the Borrower a credit line in the maximum
      amount of 3,000,000 CHF
      (three
      million Swiss Francs).

    

    

    4.
       Purpose
      of Financing

     

    Liquidity
      financing.

    

    5.
       Terms
      of Use

     

    Within
      the terms of the present Agreement, use of the credit line may be made as
      follows:

     

    
      	 	
              ·

            	
              Account
                in CHF and/or in foreign currencies

            

    

    
      	 	 	 

      	 	
              ·

            	
              Fixed
                term advances from UBS for a period of 1-12 months in an amount not
                less
                than CHF 250,000 and/or an equivalent amount in foreign
                currencies

            

      	 	 	 

    

    
      	 	
              ·

            	
              Issuance
                of guarantees approved by UBS for a period of up to one year.
                

            

      	 	 	 

    

    
      	 	
              ·

            	
              Granting
                of financial instruments approved by UBS for a period of up to one
                year.

            

    

     

    6.
       Conditions

    

    
      	
              6.1

            	
              UBS
                Accounts

            

    

     

    Currently,
      in the event of use of the credit line by the Borrower in CHF, the applicable
      interest rate shall be 4.75% per annum. For certain foreign currencies, the
      applicable interest rate shall be determined upon demand.

    

    A
      commission of 0.25% per quarter shall be added to the applicable interest rate,
      as calculated on the basis of the highest uncovered amount but in no event
      to
      exceed 50% of the total interest due per quarter.

    

    The
      computation and debiting of accounts for any interest payments shall be made
      four time a year, at the end of calendar quarter. UBS reserves the right to
      adapt the interest ad commission rates at any time with immediate
      effect.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    
      	
              6.2

            	
              Fixed
                Rate Advances by UBS

            

    

     

    For
      any
      advances made for up to six months, the computation and debiting of the capital
      and any interest shall be made upon maturity.

    

    For
      any
      advances made for a period greater than six months, the computation and the
      debiting of any interest shall be made four times a year, at the end of each
      calendar quarter, whereas the computation of the debited capital and the
      interests shall be made at the maturity.

    

    The
      initial rate shall depend on the conditions in force on the European markets
      for
      the given period and currency, and the UBS margin shall be added to said
      rate.

    

    The
      interest rate shall be determined two banking days prior to the use or the
      renewal of the advance, for the given period and currency. The instructions
      on
      the utilization or renewal of the advance must be received by UBS at least
      two
      banking days prior to said use or renewal. Absent such instructions, the matured
      advances shall not be renewed; the capital and the interest shall in such case
      be debited from the relevant account.

    

    6.3 Guarantees

     

    All
      commissions and the expenses shall be established by UBS on a case by case
      basis
      depending on the type, amount, duration, and degree of complexity of the
      transaction as well as on the solvency of the Borrower.

    

    UBS
      shall
      have the right to adjust, at any time, all commissions during the term of the
      guarantee, by providing ninety days written notice to the Borrower.

    

    6.4 Computation
      of Interest

     

    The
      computation of interest shall be made on the basis of 365/360, i.e. on the
      basis
      of the average number of days in a month based upon a 360-day year.

    

    7. Administrative
      Expenses

     

    CHF
      150
      shall be due from the receipt of the present Agreement duly signed by the
      Borrower. Said administrative expenses shall be directly debited from the
      account.

    

    8. Security

     

    The
      security provided herein shall cover any and all claims of UBS, including,
      but
      not limited to, all interest, commissions, etc.:

    

    
      	
            	1)	
              Pledge
                of the assets of the Borrower deposited with UBS in accordance
                with the separate “Deed of Pledge” dated January 24,
                2007.

            

    

    

    9. Term

     

    Indefinite.

    

    10. Termination

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    10.1 Ordinary
      Termination

     

    The
      Borrower can terminate this Agreement at any time and with immediate
      effect.

    

    UBS
      may
      terminate this Agreement at any time and with immediate effect, and may refuse
      to make the credit line available, at its discretion on a case by case basis
      and
      without disclosing the reasons.

    

    The
      termination shall result in the immediate cancellation of the unused portion
      of
      the credit line. To the extent that the credit line was used to its full,
      repayment of the amounts used shall be made as follows:

    

    
      	 	
              ·

            	
              UBS
                Accounts

            

      	 	 	 

      	 	 	Immediately.

    

     

    
      	 	
              ·

            	
              Fixed
                Rate Advances by UBS

            

      	 	 	 

      	 	 	At the agreed maturity.

    

     

    The
      guarantees issued by UBS shall stay in place, under the full responsibility
      of
      the Borrower, until their maturity, in accordance with their
      provisions.

    

    10.2 Extraordinary
      Termination

     

    The
      Borrower shall have the right, at any time, by providing 30 calendar days
      notice, to terminate this Agreement and repay the whole or part of the used
      amounts. If the early repayment is made during the fixed interest rate period
      or
      at any other time other than the initial prepayment term, an indemnification,
      computed in accordance with the provision “indemnity in case of early
      termination” herein, shall be due as of the day of the early
      repayment.

    

    UBS
      shall
      have the right, at any time, to terminate this Agreement with immediate effect
      and to accelerate any and all part of the credit used including the accrued
      interest, commissions, expenses, etc. - irrespective of the maturity of any
      of
      the parts of the credit granted - as well as to require the immediate repayment,
      when:

    

    
      	 	
              1)

            	
              The
                Borrower or any company of the group (the term “companies of the group”
                means all the companies consolidated, within the meaning of Art.
                663e(1)
                CO, with the Borrower) that are late with payments for more than
                30
                calendar days - whether vis-à-vis UBS or any third party (including a
                potential creditor who was assigned the rights under this Agreement)
                - in
                regards of the payment of the interests, commissions, and/or the
                principal
                or any potential overdraft of the credit line, which have not been
                paid
                within the deadline given by UBS or have not been properly
                collateralized.

            

    

    

    
      	 	
              2)

            	
              The
                Borrower or any other company of the group are in breach of any obligation
                set forth in this Agreement.

            

    

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    
      	 	
              3)

            	
              The
                security provided may risk lose or has already lost, at appreciation
                of
                UBS, a large part of its value.

            

    

    

    
      	 	
              4)

            	
              The
                conditions in relation to the ownership of or the control over the
                Borrower materially change pursuant to the determination made by
                UBS.

            

    

    

    
      	 	
              5)

            	
              The
                Borrower or any company of the group modifies its legal or economical
                structure, for example as a result of a liquidation, sale of an important
                part of the assets, amendment to the corporate purpose or activities
                of
                the company, merger or business combination, insofar as such modification
                influence, pursuant to the appreciation of UBS, in an important manner
                its
                financial profitability.

            

    

    

    
      	 	
              6)

            	
              A
                debt enforcement proceeding is initiated against the Borrower or
                a company
                of the group, including but not limited to a petition for bankruptcy
                or
                bankruptcy protection and/or petition for a judicial/extra-judicial
                bankruptcy agreement.

            

    

    

    
      	 	
              7)

            	
              The
                Borrower or a company of the group breach any of its obligations
                under the
                present Agreement.

            

    

    

    If,
      at
      the moment of the extraordinary termination, the guarantees have been issued,
      the Borrower shall undertake to immediately disengage the Bank from these
      conditional undertakings.

    

    11. Indemnity
      in Case of Early Termination

     

    In
      case
      of early termination, an indemnity shall be due; the indemnity shall be equal
      to
      the difference between the agreed interest rate and the interest rate applicable
      at the time of termination or the placement on a monetary or financial market
      for the remaining time of the credit. If the agreed interest rate is superior
      to
      the interest rate applicable to the said placement, the difference shall be
      debited from the account of the Borrower; if it is inferior to the interest
      rate
      of the investment, the difference shall be credited to the Borrower’s
      account.

    

    If,
      in
      case of early termination, UBS accelerates certain portions of the used credit,
      the Borrower must indemnify UBS for any inconveniency and other costs suffered,
      such as the difference between the agreed interest rate and the interest rate
      applicable at the time of termination, or an investment on the monetary or
      financial market equivalent to the residual duration of the credit. Additional
      indemnities remain reserved.

    

    12. Obligation
      to Inform

     

    For
      the
      whole term of this credit relation, the Borrower undertakes to immediately
      inform UBS of any material modification, especially of any circumstance proper
      to justify an extraordinary termination.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    13. Conditions
      for Providing the Credit

     

    The
      credit line shall be made available when all documents herein shall have be
      provided to UBS and duly signed and when UBS is in possession of the agreed
      security:

    

    
      	 	
              ·

            	
              One
                copy of this Credit Agreement

            

    

    

    If
      all
      the documents and/or necessary security were not given to UBS within a month
      from the date of the establishment of this Agreement, UBS shall have the right
      to cancel it without fixing any additional deadline.

    

    14. Miscellaneous

    

    14.1 General
      Conditions

     

    The
      “General Conditions” of UBS are part of this Credit Agreement.

    

    14.2 Order
      of Liquidation of the Security

     

    If
      several securities are guaranteeing the claims of UBS and if they must be
      liquidated, UBS shall decide, at its discretion, on the scope and order of
      liquidation of the security as well as on the order of repayment of the used
      credit line out of the proceeds of the liquidation of the security.

    

    15. Assignment

     

    UBS
      shall
      have the right to assign, in full or in part, to any third party in Switzerland
      or abroad, its rights under this Agreement, including all the potential related
      security, including, but not limited to, mortgage certificates. UBS reserves
      the
      right to provide at any time to the interested third parties, including the
      credit rating agencies, any information and data related to the present
      contractual relation and is, in that respect, relieved from the banking secrecy.
      If the third parties do not have the obligation to comply with the Swiss banking
      secrecy, the transmission of such information and data shall not be done unless
      such third parties undertakes in advance to comply with the Swiss banking
      secrecy in dealing with its potential contractual partners.

    

    Any
      assignee shall have the right to assign, provided that the subsequent assignee
      undertakes to comply with the banking secrecy. Without the additional agreement
      of the Borrower, UBS (as well as any potential assignee) shall have the right
      to
      assign its obligation to make available the credit line or any other obligation
      set forth in this contractual relationship. The assignee must be either an
      entity connected to UBS or a Swiss or foreign financial institution (bank,
      insurance company, among others). To the extent that UBS assigns its
      obligations, it shall be released of such obligations. In accordance with this
      provision, UBS shall also have the right to transfer the totality of the credit
      relation to such acquirer (change of the co-contracting person). Any assignee
      shall have the right to subsequently assign the totality of the credit relation
      to any subsequent assignee.

    

    16. Waiver
      of Compensation

     

    The
      Borrower waives in advance the right to set-off its obligations with its
      potential claims against UBS and/or potential assignee of the rights set forth
      in this Agreement, even if the potential claim that the Borrower wishes to
      set-off cannot be recovered because of insolvency or
      over-indebtedness.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    17. Governing
      Law and Venue

     

    This
      Agreement shall be exclusively governed by Swiss law.

     

    The
      place
      of execution and the exclusive jurisdiction for any dispute arising out of
      this
      Agreement shall be Geneva. UBS shall, however, have the right to act at the
      registered office of the Borrower.

    

    This
      Agreement was made in two original copes and replace the one made on September
      4, 2007.

    
      	 	 	 	 
	Ref.
              PFDE-CLN	UBS
              SA	 
	 
 	 
 	 
 	 
	Geneva,
              January
              31, 2008	
            	/s/
              Pierre-Claude Favarger	Tamas Laszio Nyikus
	 	
              
Vice-Director	Holder of
              Procuration

    

    

      	 	 	 
	The
              Borrower	SES
              Société d’Energie Solaire SA
	 
 	 
 	 
 
	Plan-les-Ouates, February 1, 2008	
            	/s/
              S. Crisafulli
	Place/date	
              
Signatures

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