Document:

exhibit103.htm

    
      

    

     

     

    Exhibit
10.3

    ENVIRONMENTAL
INDEMNITY AGREEMENT

    

    

    This
Environmental Indemnity Agreement ("Environmental Indemnity" or
"Agreement") is given in
connection with the extension of a term loan (the "Loan") by WACHOVIA BANK, a national association
having an office at 5 Research Drive, Shelton, Connecticut 06484 (the "Bank"), to SONOMAWEST HOLDINGS INC., a
Delaware  corporation, having an address at 2064 Highway 116 North,
Sebastopol, California  95472 (the "Borrower" or “Indemnitor”),
which Loan is made pursuant to the terms and conditions of, and is evidenced by,
a certain Promissory Note in the original principal amount of Two Million Five
Hundred Thousand and 00/100 Dollars ($2,500,000.00) payable by the Borrower to
the order of the Bank dated of even date herewith (the "Note").

    

    A.           The
term "Bank" shall mean
Wachovia Bank and its successors and assigns.

     

    B.           The
term "Collateral" shall
mean any and all real, personal, tangible and intangible property, now existing
or hereafter acquired or arising, that secures the Obligations of the
Indemnitors under the Note and the other Loan Documents.

    

    C.           The
term "Environmental Enforcement
Action" shall mean all actions, orders, requirements or liens instituted,
threatened, required, completed, imposed or placed by any governmental authority
and all claims made or threatened by any other person against or with respect to
the Property or the Surrounding Property, or any present or past owner or
occupant thereof, arising out of or in connection with any of the Environmental
Legal Requirements, any environmental condition, or the assessment, monitoring,
clean-up, containment, remediation or removal of, or damages caused or alleged
to be caused by, any Hazardous Materials (i) located on or under the Property or
the Surrounding Property, (ii) emanating from the Property or the Surrounding
Property, or (iii) generated, stored, transported, utilized, disposed, managed,
or released by any Indemnitor (whether or not on, under or from the Property or
the Surrounding Property).

    

    D.           The
term "Environmental Legal
Requirements" shall mean all past (which have current effect), present or
future federal, state, county and local laws, by-laws, rules, regulations, codes
and ordinances, or any judicial or administrative interpretations thereof, and
the requirements of any governmental agency or authority having or claiming
jurisdiction with respect thereto, applicable to the regulation or protection of
the environment, the health and safety of persons and property and all other
environmental and ecological matters and shall include, but not be limited to,
all orders, decrees, judgments and rulings imposed through any public
enforcement proceedings, relating to Hazardous Materials or the existence, use,
discharge, release, containment, transportation, generation, storage, management
or disposal thereof, or otherwise regulating or providing for the protection of
the environment applicable to the Property and relating to Hazardous Materials,
or to the existence, use, discharge, release or disposal
thereof.  Environmental Legal Requirements presently include, but are
not limited to, the following laws:  Comprehensive Environmental
Response Compensation and Liability Act (42 U.S.C. § 9601 et seq.), the Hazardous
Materials Transportation Act (49 U.S.C. § 1801 et seq.), the Public
Health Service Act (42 U.S.C. § 300(f) et seq.), the Pollution
Prevention Act (42 U.S.C. § 13101 et seq.), the Federal
Insecticide, Fungicide and Rodenticide Act (7 U.S.C. § 136 et seq.), the Resource
Conservation and Recovery Act (42 U.S.C. § 6901 et seq.), the Federal
Clean Water Act (33 U.S.C. § 1251 et seq.), the Federal
Clean Air Act (42 U.S.C. § 7401 et seq.) and the
applicable laws of the State of California.

    

      
        
           

        

        
          1

          
            

          

        

        
           

        

      

    E.           The
term "Environmental
Reports" shall mean the reports, if any, most recently delivered to the
Bank.

    

    F.           The
term "Hazardous
Materials" shall mean and include asbestos in any form, flammable
materials, explosives, radioactive or nuclear substances, polychlorinated
biphenyls, other known or suspected carcinogens, oil and other petroleum
products, radon gas, urea formaldehyde, chemicals, gases, solvents, pollutants,
pesticides or contaminants in quantities that could be a detriment or pose a
present or potential danger to the environment or to the health or safety of any
person, and any other hazardous or toxic materials, hazardous or solid wastes or
substances which are defined, determined or identified as such in any
Environmental Legal Requirements.

    

    G.           The
term "Indemnified Party"
shall mean:  (i) the Bank; (ii) all those claiming by, through or
under the Bank, including any subsequent holder of the Loan and any present or
future owner of a participation interest therein; (iii) any subsequent owner or
tenant of all or any portion of the Property following the exercise by the Bank
of its rights under the Mortgage, the Note or any other Loan Document including,
but not limited to, a foreclosure sale or deed in lieu thereof; and (iv) as to
each of the foregoing, their respective affiliate, parent and subsidiary
corporations, and, as applicable, the respective officers, directors,
stockholders, agents, employees, accountants and attorneys of any one or more of
them, and any person, firm or entity which controls, is controlled by,
controlling, or under common control with, any one or more of them.

    

    H.           The
term "Loan Documents"
shall mean this Agreement, the Note, the Mortgage and all other instruments,
documents and agreements evidencing, securing or related to or executed in
connection with the Loan.

    

    I.           The
term "Mortgage" shall
mean that certain Deed of Trust, Assignment of Rents, Security Agreement and
Fixture Filing dated of even date herewith granted by the Borrower to the Bank
to secure the Obligations of the Borrower under the Loan, as the same may be
amended and supplemented from time to time, relating to the
Property.

    

    J.           The
term “Obligations" shall
mean all obligations and liabilities of every kind and nature of the Indemnitors
under the Note, the Mortgage and all other Loan Documents whether now existing
or hereafter arising.

    

    K.           The
term "Property" shall
mean the property owned by the Borrower located at 2064 Highway 116 North,
Sebastopol, California, as more particularly set forth in the Mortgage and any
other real property in which the Bank now or hereafter receives a mortgage in
connection with the Loan or any of the other Obligations.

    

      
        
           

        

        
          2

          
            

          

        

        
           

        

      

    O.           The
term "Surrounding
Property" shall mean any property contiguous to the perimeter of the
Property.

    

    P.           The
terms "generated," "stored," "transported," "utilized," "disposed," "managed,"
“released,” and "threat of release," and all conjugates thereof, shall have the
meanings and definitions set forth in the Environmental Legal
Requirements.

    

    FOR VALUE RECEIVED, and to
induce the Bank to make the Loan and otherwise extend credit to the Borrower as
provided for in the Loan Documents, the Indemnitors hereby jointly and severally
and unconditionally agree as follows:

    

    1.           Compliance with
Environmental Legal Requirements.

    

    
      	
               
      

            	
              1.1

            	
              Compliance.  Until such
      time as the Obligations have been paid in full, each Indemnitor guaranties
      and agrees that it shall comply in all material respects with all
      Environmental Legal Requirements, including, but not limited to,
      Environmental Legal Requirements applicable to the Property, and that it
      shall take all remedial action necessary to avoid any liability of the
      Indemnitors, the Bank, or any subsequent owner of the Property, and to
      avoid the imposition of, or to discharge, any liens on the Property, as a
      result of any failure to comply with Environmental Legal Requirements
      applicable to the Property.

            

    

    

    
      	
               
      

            	
              1.2

            	
              Prohibitions.  Without
      limiting the generality of the foregoing, each Indemnitor agrees that it
      shall not:

            

    

    

    
      	
               
      

            	
              (a)

            	
              except
      in material compliance with all Environmental Legal Requirements, release
      or permit any release or threat of release of any Hazardous Materials on
      the Property;

            

    

    

    
      	
               
      

            	
              (b)

            	
              other
      than in the ordinary course of its business and in material compliance
      with all Environmental Legal Requirements, generate or permit any
      Hazardous Materials to be generated on the
  Property;

            

    

    

    
      	
               
      

            	
              (c)

            	
              except
      in material compliance with all Environmental Legal Requirements, store or
      utilize, or permit any Hazardous Materials to be stored or utilized on the
      Property;

            

    

    

    
      	
               
      

            	
              (d)

            	
              other
      than in the ordinary course of business and in material compliance with
      all Environmental Legal Requirements, dispose of or permit any Hazardous
      Materials to be disposed of on the
Property;

            

    

    

    
      	
               
      

            	
              (e)

            	
              fail
      to operate, maintain, repair and use the Property in all material respects
      in accordance with the Environmental Legal Requirements;
  or

            

    

    

    
      	
               
      

            	
              (f)

            	
              allow,
      permit or suffer any other person or entity to operate, maintain, repair
      and use the Property except in accordance in all material respects with
      the Environmental Legal
Requirements.

            

    

    

      
        
           

        

        
          3

          
            

          

        

        
           

        

      

    1.3         Notice of
Conditions.  Each Indemnitor
shall provide the Bank with prompt written notice, but in no event later than
ten (10) business days after obtaining any knowledge or notice thereof, of any
of the following conditions:  (i) the presence (other than in the
ordinary course of its business), or any release or threat of release, of any
Hazardous Materials on, under or from the Property, or any Surrounding Property,
whether or not caused by any Indemnitor; (ii) any Environmental Enforcement
Action instituted or threatened; or (iii) any condition or occurrence on the
Property, or any Surrounding Property, that would reasonably be expected to or
does constitute a violation of any of the Environmental Legal Requirements with
respect to the Property.

    

    2.           The Indemnitors' Agreement
to take Remedial Actions.

    

    
      	
               
      

            	
              2.1

            	
              Remedial
      Actions.  Upon any
      Indemnitor becoming aware of the violation of any Environmental Legal
      Requirement related to the Property, or the presence, or any release or
      any threat of release, of any Hazardous Materials on, under, or from the
      Property or any Surrounding Property, whether or not caused by such
      Indemnitor, such Indemnitor shall, subject to the rights to contest set
      forth in Section
      5,
      immediately take all actions:  (A) to cure or eliminate any such
      violation of any such Environmental Legal Requirement related to the
      Property and, where applicable, to arrange for the assessment, monitoring,
      clean-up, containment, removal, remediation, or restoration of the
      Property and, (B) to the extent that the presence of any Hazardous
      Materials on the Surrounding Property originated on, under, or from the
      Property, or constitutes a danger to the Surrounding Property, as are
      required pursuant to any Environmental Legal Requirements or by any
      governmental authority.

            

    

    

    
      	
               
      

            	
              2.2

            	
              Environmental
      Assessments.  The Bank
      shall have the right to require the Indemnitors, at their own cost and
      expense, to obtain a professional environmental assessment of the Property
      in accordance with the Bank's then standard environmental assessment
      requirements and sufficient in scope to comply with the requirements of
      Section 3.1, upon the occurrence
      of any one or more of the following events:  (i) an Event of
      Default; or (ii) upon receipt of any notice of any of the conditions
      specified in Section 1.3 of this
      Agreement.

            

    

    

      
        
           

        

        
          4

          
            

          

        

        
           

        

      

    3.           The Bank's Rights to Inspect
the Property and Take Remedial Actions.

    

    
      	
               
      

            	
              3.1

            	
              The
      Bank's Rights.  The Bank
      may exercise its rights and remedies under this Section 3 upon and following the
      existence of one or more of the following events or conditions: (i)
      failure to pay the Loan when due and payable in full either at its stated
      maturity or upon acceleration based upon an Event of Default; (ii) an
      Indemnified Party, or an affiliate thereof, has taken possession of all or
      some portion of the Property based upon an Event of Default; (iii) an
      Indemnified Party has acquired title to all or some portion of the
      Property by virtue of foreclosure or deed in lieu of foreclosure; or (iv)
      a claim has been asserted against an Indemnified Party for which
      indemnification is provided in this Agreement, but the Indemnitors have
      not undertaken to pursue and are not pursuing reasonable efforts to
      remediate, defend and otherwise indemnify any such Indemnified Party and
      to provide such Indemnified Party with reasonable assurances of the
      Indemnitors' ability, financially and otherwise, to satisfy the
      Indemnitors' obligations.  In any of such events, the Bank shall
      have the right, but not the obligation, through such representatives or
      independent contractors as it may designate, to enter upon the Property
      and to expend funds to:

            

    

    

    
      	
               
      

            	
              3.1.1

            	
              Assessments.  Cause one
      or more environmental assessments of the Property to be undertaken, if the
      Bank in its reasonable discretion determines that such assessment is
      appropriate.  Such environmental assessments may include,
      without limitation, (i) detailed visual inspections of the Property,
      including without limitation all storage areas, storage tanks, drains,
      drywells and leaching areas; (ii) the taking of soils an surface and
      sub-surface water samples; (iii) the performance of soil and groundwater
      analysis; and (iv) the performance of such other investigations or
      analysis as are necessary or appropriate and consistent with sound
      professional environmental engineering practice in order for the Bank to
      obtain a complete assessment of the compliance of the Property and the use
      thereof with all Environmental Legal Requirements and to make a
      determination as to whether or not there is any risk of contamination (a)
      to the Property resulting from Hazardous Materials originating on or
      under, or emanating from, any Surrounding Property or (b) to any
      Surrounding Property resulting from Hazardous Materials originating on,
      under, or from the Property;

            

    

    

    
      	
               
      

            	
              3.1.2

            	
              Cure.  Cure any
      breach of the representations, warranties, covenants and conditions made
      by or imposed upon any Indemnitor under this Agreement, including, without
      limitation, any violation by any Indemnitor, or by the Property, or by any
      other occupant, prior occupant or prior owner thereof, of any of the
      Environmental Legal Requirements applicable to the
    Property;

            

    

    

      
        
           

        

        
          5

          
            

          

        

        
           

        

      

    
      	
               
      

            	
              3.1.3

            	
              Prevention
      and Precaution.  Take all
      actions as are required pursuant to Environmental Legal Requirements (i)
      prevent the migration of Hazardous Materials on, under, or from the
      Property to any other property; (ii) clean-up, contain, remediate or
      remove any Hazardous Materials on, under, or from any other property,
      which Hazardous Materials originated on, under, or from the Property; or
      (iii) prevent the migration of any Hazardous Materials on, under, or from
      any other property to the Property;

            

    

    

    
      	
               
      

            	
              3.1.4

            	
              Environmental
      Enforcement Actions.  Comply
      with, settle, or otherwise satisfy any Environmental Enforcement Action
      relating to the Property and, if the environmental condition thereon is
      caused by any Indemnitor, any Surrounding Property, including, but not
      limited to, the payment of any funds or penalties imposed by any
      governmental authority and the payment of all amounts required to remove
      any lien or threat of lien on or affecting the Property;
    and

            

    

    

    
      	
               
      

            	
              3.1.5

            	
              General.  Comply
      with, settle, or otherwise satisfy any Environmental Legal Requirement and
      correct or abate any environmental condition on, or which threatens, the
      Property and which could reasonably be expected to or does cause damage or
      injury to the Property or to any
person.

            

    

    

    
      	
               
      

            	
              3.2

            	
              Recovery
      of Costs.  Any amounts
      paid or advanced by the Bank and all costs and expenditures incurred in
      connection with any action taken pursuant to the terms of this Agreement,
      including, but not limited to, environmental consultants' and experts'
      fees and expenses, attorneys' fees and expenses, court costs and all costs
      of assessments, monitoring, clean-up, containment, remediation, removal
      and restoration, with interest thereon at the highest default rate set
      forth in the Mortgage and the Note, shall be a demand obligation of the
      Indemnitors to the Bank and, to the extent not prohibited by law (and so
      long as the Mortgage remains undischarged of record), shall be added to
      the obligations secured by the Mortgage when paid by the Bank and shall be
      secured by the lien of such Mortgage and all other documents now or
      hereafter securing any of the Obligations as fully and as effectively and
      with the same priority as every other obligation secured
      thereby.

            

    

    

    
      	
               
      

            	
              3.3

            	
              The
      Bank Not Responsible.  The
      exercise by the Bank of any one or more of the rights and remedies set
      forth in this Section 3 shall not operate
      or be deemed (a) to place upon the Bank any responsibility for the
      operation, control, care, service, management, maintenance or repair of
      the Property or (b) make the Bank the "owner" or "operator" of the
      Property or otherwise a “responsible party” within the meaning of any of
      the Environmental Legal
Requirements.

            

    

    

      
        
           

        

        
          6

          
            

          

        

        
           

        

      

    
      	
               
      

            	
              3.4

            	
              The
      Bank's Subrogation.  Furthermore,
      the Bank, by making any such payment or incurring any such costs, shall be
      subrogated to all rights of the Indemnitors or any other occupant of the
      Property to seek reimbursement from any other person, including, without
      limitation, any predecessor owner or occupant of the Property who may be a
      “responsible party” under any of the Environmental Legal Requirements, in
      connection with the presence of Hazardous Materials on or under, or which
      emanated from, the Property.

            

    

    

    
      	
               
      

            	
              3.5

            	
              The
      Bank May Stop.  Without
      limiting the generality of the other provisions of this Agreement, any
      partial exercise by the Bank of any one or more of the rights and remedies
      set forth in this Section 3, including, without
      limitation, any partial undertaking on the part of the Bank to cure any
      failure by any Indemnitor, or of the Property, or any other occupant,
      prior occupant or prior owner thereof, to comply with any of the
      Environmental Legal Requirements, shall not obligate the Bank to complete
      such actions taken or require the Bank to expend further sums to cure such
      non-compliance.

            

    

    

    4.           Indemnification.  At all times
before and after the indefeasible repayment of the Loan, each Indemnitor hereby
agrees that it shall, at its sole cost and expense, indemnify, defend,
exonerate, protect and save harmless each Indemnified Party against and from any
and all damages, losses, liabilities, obligations, penalties, claims,
litigation, demands, defenses, judgments, suits, proceedings, costs,
disbursements or expenses of any kind or nature whatsoever, including, without
limitation, attorneys' and experts' fees and disbursements, which may at any
time be imposed upon, incurred by or asserted or awarded against any Indemnified
Party and arising from or out of:

    

    
      	
               
      

            	
              4.1

            	
              Environmental
      Liability.

            	
              Any
      liability arising under Environmental Legal Requirements, whenever
      discovered, that relates to the
Property;

            

    

    

    
      	
               
      

            	
              4.2

            	
              Hazardous
      Materials.  Any
      Hazardous Materials on, in, under or affecting, all or any portion of the
      Property or, if any such Hazardous Materials emanated from the Property,
      any other property, on or before the date hereof, or which may hereafter
      affect all or any portion of the Property or, if any such Hazardous
      Materials emanated from the Property, any other property, whenever
      discovered in violation of any Environmental Legal
      Requirements;

            

    

    

      
        
           

        

        
          7

          
            

          

        

        
           

        

      

    
      	
               
      

            	
              4.3

            	
              Environmental
      Legal Requirements.  The
      violation of any Environmental Legal Requirement by any Indemnitor or by
      any employee, contractor, agent or representative of any Indemnitor, or
      with respect to the Property or any Surrounding Property, existing on or
      before the date hereof or which may so exist in the future, whenever
      discovered; provided, however, that, with respect to any Surrounding
      Property, only to the extent that the environmental condition is caused by
      such Indemnitor or by such Indemnitor's employee, contractor, agent or
      representative.

            

    

    

    
      	
               
      

            	
              4.4

            	
              Breach
      of Warranty, Representation or Covenant.  Any breach
      of warranty or representation or covenant made by any Indemnitor under or
      pursuant to this Agreement; and

            

    

    

    
      	
               
      

            	
              4.5

            	
              General.  The
      enforcement of this Agreement or the assertion by any Indemnitor of any
      defense to the obligations of any Indemnitor hereunder, whether any of
      such matters arise before or after foreclosure of the Mortgage or other
      taking of title to or possession of all or any portion of the Property by
      the Bank or any other Indemnified Party, and specifically including
      therein, without limitation, the following:  (i) reasonable
      costs incurred for any of the matters set forth in Section 3 of this Agreement; and
      (ii) reasonable costs and expenses incurred in ascertaining the existence
      or extent of any asserted violation of any Environmental Legal
      Requirements relating to the Property and any remedial action taken on
      account thereof, including, without limitation, the costs, fees and
      expenses of engineers, geologists, chemists, other scientists, attorneys,
      surveyors, and other professionals, or testing and analyses performed in
      connection therewith.

            

    

    

    5.           Right to
Contest.  Any Indemnitor
may contest in good faith any claim, demand, levy or assessment under any
Environmental Legal Requirements, including, but not limited to, any claim with
respect to Hazardous Materials, by any person or entity if:

    

    
      	
               
      

            	
              5.1

            	
              Material
      Question In Good Faith.  The contest
      is based upon a material question of law or fact raised by such Indemnitor
      in good faith;

            

    

    

    
      	
               
      

            	
              5.2

            	
              Diligent
      Pursuit.  Such
      Indemnitor properly commences and thereafter diligently pursues the
      contest;

            

    

    

    
      	
               
      

            	
              5.3

            	
              No
      Impairment.  The contest
      will not materially impair the taking of any required remedial action with
      respect to such claim, demand, levy or
  assessment;

            

    

    

    
      	
               
      

            	
              5.4

            	
              Adequate
      Resources.  Such
      Indemnitor demonstrates to the Bank's reasonable satisfaction that such
      Indemnitor has the financial capability to undertake and pay for such
      contest and any remedial action then or thereafter
    necessary;

            

    

    
      
         

      

      
        8

        
          

        

      

      
         

      

    

    

    
      	
               
      

            	
              5.5

            	
              Resolve
      By Maturity.  There is no
      reason to believe that the contest will not be resolved prior to the
      maturity of the Loan; and

            

    

    

    
      	
               
      

            	
              5.6

            	
              No
      Event Of Default.  No Event of
      Default exists under the Loan
Documents.

            

    

    

    6.           Waivers.  Each Indemnitor
hereby waives and relinquishes to the fullest extent now or hereafter not
prohibited by applicable law:

    

    
      	
               
      

            	
              6.1

            	
              Suretyship
      Defenses.  All
      suretyship defenses, defenses based on impairment of collateral and
      defenses in the nature thereof;

            

    

    

    
      	
               
      

            	
              6.2

            	
              Marshalling.  Any right
      or claim of right to cause a marshalling of any Indemnitor's assets or of
      any Collateral or to cause the Bank to proceed against any of the
      Collateral for the Loan before proceeding under this Agreement against any
      Indemnitor;

            

    

    

    
      	
               
      

            	
              6.3

            	
              Notice.  Notice of
      the acceptance hereof, presentment, demand for payment, protest, notice of
      protest, or any and all notice of nonpayment, nonperformance,
      nonobservance or default or other proof or notice of demand whereby to
      charge any Indemnitor therefor;

            

    

    

    
      	
               
      

            	
              6.4

            	
              Jury
      Trial.    THE PARTIES ACKNOWLEDGE THAT BY
      AGREEING TO BINDING ARBITRATION THEY HAVE IRREVOCABLY WAIVED ANY RIGHT
      THEY MAY HAVE TO JURY TRIAL WITH REGARD TO A DISPUTE AS TO WHICH BINDING
      ARBITRATION HAS BEEN
DEMANDED.

            

    

    

    EXCEPT AS PROHIBITED BY LAW, EACH
INDEMNITOR HEREBY WAIVES ANY RIGHT IT MAY HAVE TO CLAIM OR RECOVER IN ANY
LITIGATION ANY SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES OR ANY
DAMAGES OTHER THAN, OR IN ADDITION TO, ACTUAL DAMAGES. EACH INDEMNITOR CERTIFIES
THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF BANK HAS REPRESENTED, EXPRESSLY OR
OTHERWISE, THAT BANK WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE
FOREGOING WAIVER. EACH INDEMNITOR ACKNOWLEDGES AND STIPULATES THAT THE WAIVERS
GRANTED ABOVE ARE MADE KNOWINGLY, VOLUNTARILY AND INTENTIONALLY AND AFTER FULL
CONSULTATION WITH COUNSEL AND CONSTITUTE A MATERIAL INDUCEMENT FOR BANK TO
ACCEPT THE NOTE AND MAKE THE LOAN.

    

      
        
           

        

        
          9

          
            

          

        

        
           

        

      

    7.           Cumulative
Rights.  The Bank's rights
under this Agreement shall be in addition to and not in limitation of all of the
rights and remedies of the Bank under the other Loan Documents.  All
rights and remedies of the Bank shall be cumulative and may be exercised in such
manner and combination as the Bank may determine.

    

    8.           No
Impairment.  The liability of
each Indemnitor hereunder shall in no way be limited or impaired by, and each
Indemnitor hereby assents to and agrees to be bound by, any amendment or
modification of the provisions of the Loan Documents to or with the Bank by the
Borrower or any person who succeeds the Borrower as owner of the
Property.  In addition, the liability of each Indemnitor under this
Agreement shall in no way be limited or impaired by:

    

    
      	
               
      

            	
              8.1

            	
              Extensions.  Any
      extensions of time for performance required by any of the Loan
      Documents;

            

    

    

    
      	
               
      

            	
              8.2

            	
              Amendments.  Any
      amendment to or modification of any of the Loan
  Documents;

            

    

    

    
      	
               
      

            	
              8.3

            	
              Transfer.  Any sale or
      assignment of the Loan, or any sale, assignment or foreclosure of the Note
      or the Mortgage, or any sale or transfer of all or part of the
      Property;

            

    

    

    
      	
               
      

            	
              8.4

            	
              Exculpatory
      Language.  Any
      exculpatory, or nonrecourse, or limited recourse, provision in any of the
      Loan Documents limiting the Bank's recourse to the Property encumbered by
      the Mortgage or to any other property or limiting the Bank's rights to a
      deficiency judgment against the Indemnitors or any other
      party;

            

    

    

    
      	
               
      

            	
              8.5

            	
              Inaccuracies.  The
      accuracy or inaccuracy of any of the representations or warranties made by
      or on behalf of any Indemnitor under the Loan Documents or
      otherwise;

            

    

    

    
      	
               
      

            	
              8.6

            	
              Release.  The release
      of any Indemnitor, or of any other person or entity, from performance or
      observance of any of the agreements, covenants, terms or conditions
      contained in any of the Loan Documents by operation of law, the Bank's
      voluntary act, or otherwise;

            

    

    

    
      	
               
      

            	
              8.7

            	
              Bankruptcy
      or Reorganization.  The filing of any bankruptcy or
      reorganization proceeding by or against any Indemnitor, any general
      partner of any Indemnitor or any subsequent owner of the
      Property;

            

    

    

    
      	
               
      

            	
              8.8

            	
              Substitution.  The
      release or substitution in whole or in part of any collateral or security
      for the Loan;

            

    

    

      
        
           

        

        
          10

          
            

          

        

        
           

        

      

    
      	
               
      

            	
              8.9

            	
              Failure
      to Perfect.  The Bank's failure to record the Mortgage or
      file any UCC financing statements (or the Bank's improper recording or
      filing of any thereof) or to otherwise perfect, protect, secure, or insure
      any security interest or lien given as security for the
    Loan;

            

    

    

    
      	
               
      

            	
              8.10

            	
              Release
      of Parties.  The release of any Indemnitor by anyone
      other than the Bank or by operation of law, or the release of any other
      party now or hereafter liable upon or in respect of this Agreement or the
      Loan; or

            

    

    

    
      	
               
      

            	
              8.11

            	
              Invalidity.  The
      invalidity or unenforceability of all or any portions of any of the Loan
      Documents as to any Indemnitor or to any other person or
      entity.

            

    

    

    Any of
the foregoing may be accomplished with or without notice to any Indemnitor or
with or without consideration.

    

    9.           Delay Not
Waiver.  No delay on the Bank's part in exercising any right,
power or privilege hereunder or under any of the Loan Documents shall operate as
a waiver of any such privilege, power or right.  No waiver by the Bank
in any instance shall constitute a waiver in any other instance.

    

    10.           Warranties
and Representations.  Each Indemnitor represents and warrants
to the Bank, the same to be true as of the date hereof and throughout the period
that any of the Loan Documents shall remain in force and effect, that except as
otherwise disclosed in the Environmental Reports to the Bank:

    

    
      	
               
      

            	
              10.1

            	
              Compliance
      with Environmental Requirements.  To
      the best of Indemnitor’s actual knowledge, the Indemnitors have been and
      are in compliance with and have no liability or obligation (other than
      continued compliance) arising under Environmental Legal
      Requirements;

            

    

    

    
      	
               
      

            	
              10.2

            	
              No
      Hazardous Materials at Property.  To the best of each
      Indemnitor's actual knowledge, other than in the ordinary course of its
      business and the business of its tenants and in material compliance with
      all Environmental Legal Requirements, no Hazardous Materials have been or
      are currently generated, stored, transported, utilized, disposed of,
      managed, released or located on, under or from the Property, whether or
      not in reportable quantities, or in any manner introduced onto the
      Property, including, without limitation, any septic, sewage or other waste
      disposal systems servicing the
Property;

            

    

    

      
        
           

        

        
          11

          
            

          

        

        
           

        

      

    
      	
               
      

            	
              10.3

            	
              No
      Violations Claimed Re: Property or the Indemnitors.
      Except as set forth on Schedule 1, no Indemnitor has received any notice,
      request for information, demand letter, administrative inquiry, or
      complaint from the California Environmental Protection Agency, the United
      States Environmental Protection Agency or any other governmental authority
      claiming that (i) the Property or any use thereof violates any of the
      Environmental Legal Requirements or (ii) any Indemnitor or any of his, her
      or its respective employees, affiliates, or agents have violated any of
      the Environmental Legal Requirements with respect to the Property or any
      Surrounding Property;

            

    

    

    
      	
               
      

            	
              10.4

            	
              No
      Liability to Governmental Authorities.  To the best of
      each Indemnitor's knowledge, no Indemnitor has incurred any liability to
      the State of California, the government of any town in which the Property
      is located, the United States of America or any other governmental
      authority under any of the Environmental Legal Requirements, and no
      Indemnitor has entered into or been subject to any environmental consent
      decree, notice of violation, compliance order, or administrative order
      with respect to the Property;

            

    

    

    
      	
               
      

            	
              10.5

            	
              No
      Release of Hazardous Materials.  To the best
      of Indemnitor’s actual knowledge, there has been no release or threat
      of release of Hazardous Materials at the Property, except in compliance
      with all Environmental Legal
Requirements;

            

    

    

    
      	
               
      

            	
              10.6

            	
              No
      Lien on Property.  To the best of each Indemnitor's
      knowledge, no lien against the Property has arisen under or related to any
      of the Environmental Legal
Requirements;

            

    

    

    
      	
               
      

            	
              10.7

            	
              No
      Enforcement Actions.  To the best of each Indemnitor's
      knowledge, there are no Environmental Enforcement Actions pending, or to
      the best of each Indemnitor's information, knowledge and belief,
      threatened;

            

    

    

    
      	
               
      

            	
              10.8

            	
              No
      Knowledge of Hazardous Materials at Surrounding
      Property.  No Indemnitor has actual knowledge or belief
      that any Hazardous Materials have been or are currently generated, stored,
      transported, utilized, disposed of, managed, released or located on, under
      or from any Surrounding Property in violation of or allegedly in violation
      of any of the Environmental Legal
Requirements;

            

    

    

    
      	
               
      

            	
              10.9

            	
              No
      Knowledge of Violations Re Surrounding Property.  No
      Indemnitor has actual knowledge or belief of any action or order
      instituted or threatened by any person or governmental authority arising
      out of or in connection with the Environmental Legal Requirements
      involving the assessment, monitoring, cleanup, containment, remediation or
      removal of or damages caused or alleged to be caused by any Hazardous
      Materials generated, stored, transported, utilized, disposed of, managed,
      released or located on, under or from any Surrounding
      Property;

            

    

    

      
        
           

        

        
          12

          
            

          

        

        
           

        

      

    
      	
               
      

            	
              10.10

            	
              No
      Underground Storage Tanks.  To the best of Indemnitor’s
      actual knowledge, there are no underground storage tanks on or under any
      Property, except any which have been disclosed in writing to the Bank
      before the date hereof;

            

    

    

    
      	
               
      

            	
              10.11

            	
              No
      Dangerous Conditions.  To the best of Indemnitor’s actual
      knowledge, no environmental condition exists on the Property which could
      cause any damage or injury to the Property, any Surrounding Property or to
      any person;

            

    

    

    
      	
               
      

            	
              10.12

            	
              Valid
      and Binding.  This Agreement constitutes the legal, valid
      and binding obligation of each Indemnitor in accordance with the
      respective terms hereof;

            

    

    

    
      	
               
      

            	
              10.13

            	
              No
      Violations.  The performance of the obligations evidenced
      hereby will not constitute a violation of any law, order, regulation,
      contract, organizational document or agreement to which any Indemnitor is
      a party or by which it or its property is or may be
  bound;

            

    

    

    
      	
               
      

            	
              10.14

            	
              No
      Litigation.  To the best of Indemnitor’s actual
      knowledge, there is no litigation or administrative proceeding now pending
      or threatened against any Indemnitor which if adversely decided could
      materially impair the ability of any Indemnitor to pay or perform his, her
      or its obligations hereunder;

            

    

    

    11.           Notices.  All
notices, demands, requests, and other communications given under this Agreement
shall be in writing and given as provided in the Mortgage, and addressed as
specified therein.

    

    12.           No Oral
Change.  No provision of this Agreement may be changed, waived,
discharged, or terminated orally by telephone or by any other means except by an
instrument in writing signed by the party against whom enforcement of the
change, waiver or discharge or termination is sought.

    

    13.           Parties
Bound; Benefit.  This Agreement shall be binding upon each
Indemnitor and its successors and assigns, and shall be for the benefit of the
Bank, and of any subsequent holder of the Loan and of any owner of a
participation interest therein. In the event the Loan is sold or transferred,
then the liability of the Indemnitors to the Bank shall then be in favor of both
the Bank originally named herein and each subsequent holder of the Loan and of
any interest therein.

    

    14.           Partial
Invalidity.  Each of the provisions hereof shall be enforceable
against each Indemnitor to the fullest extent now or hereafter permitted by
law.  If the Indemnitor consists of one or more parties, all of the
obligations, covenants and warranties of the Indemnitor contained in this
Agreement shall be the joint and several obligations of the parties constituting
the "Indemnitor".  The invalidity or unenforceability of any provision
hereof shall not limit the validity or enforceability of each other provision
hereof.

    

      
        
           

        

        
          13

          
            

          

        

        
           

        

      

    15.           Governing
Law and Consent to Jurisdiction.  This Agreement and the rights
and obligations of the parties hereunder shall in all respects be governed by
and construed and enforced in accordance with the laws of the State of
California without giving effect to California principles of conflicts of
law.  The parties further agree that the Bank may enforce its rights
under this Agreement and the other Loan Documents, including, but not limited
to, the rights to sue any or all Indemnitors, in accordance with applicable
law.  Each Indemnitor hereby irrevocably submits to the nonexclusive
jurisdiction of any California state or any federal Court sitting in California
over any suit, action or proceeding arising out of or relating to this Agreement
and each Indemnitor hereby agrees and consents that in addition to any methods
of service of process provided for under applicable law, all service of process
in any such suit, action or proceeding in any California state or federal court
sitting in California may be made by certified or registered mail, return
receipt requested, directed to such Indemnitor at the address referred to in
Section 11 above
and service so made shall be completed five (5) days after the same shall have
been so mailed.

    

    16.           Survival.  The
provisions of this Agreement shall continue in effect and shall survive (among
other events) any payment and satisfaction of the Loan and the Obligations, any
termination or discharge of the Mortgage, foreclosure, a deed-in-lieu
transaction, or release of any Collateral.

    

    17.           Right of
the Indemnitor to Terminate this Agreement.  The liability of
each Indemnitor shall automatically terminate hereunder upon fulfillment of each
of the following conditions to the reasonable satisfaction of the
Bank:

    

    
      	
               
      

            	
              (i)

            	
              The
      Bank shall have received Non-Contestable Payment in full of all
      Obligations, including but not limited to repayment in full of the Loan.
      The term "Non-Contestable" shall
      mean the receipt of payment of the Loan or other satisfaction of
      Obligations and the expiration of all periods of time within which a claim
      for the recovery of a preferential payment, or fraudulent conveyance, or
      fraudulent transfer, in respect of payments received by the Bank as to the
      Obligations could be filed or asserted with (A) no such claim having been
      filed or asserted, or (B) if so filed or asserted, the final,
      non-appealable decision of court of competent jurisdiction denying the
      claim or assertion.

            

    

    

    
      	
               
      

            	
              (ii)

            	
              No
      Environmental Enforcement Action shall be pending or threatened in writing
      with respect to the Property.

            

    

    

    
      	
               
      

            	
              (iii)

            	
              The
      Loan has been repaid without the Bank or any affiliate thereof ever having
      taken actual or constructive possession of the Property through
      either:  (A) the appointment of a receiver, or (B) any other
      exercise of the Bank's rights and remedies following an Event of Default
      under any of the Loan Documents.

            

    

    

      
        
           

        

        
          14

          
            

          

        

        
           

        

      

    
      	
               
      

            	
              (iv)

            	
              At
      least thirteen (13) months have passed since the date the principal,
      interest and fees due the Bank in respect of the Loans was paid (without
      regard to the passage of time required to establish Non-Contestable
      Payment) and no claim has been asserted for which any indemnification is
      provided for in this Agreement.

            

    

     

    18.           Counterparts.  This
Agreement may be executed and delivered in any number of counterparts (and by
different parties hereto on different counterparts), each of which shall
constitute an original, but all of which when taken together shall constitute
but one and the same agreement.  Delivery of an executed signature
page to this Agreement by facsimile transmission shall be as effective as
delivery of a manually signed counterpart of this Agreement.

     

    19.           Arbitration. Upon
demand of any party hereto, whether made before or after institution of any
judicial proceeding, any claim or controversy arising out of or relating to the
Loan Documents between parties hereto (a “Dispute”) shall be resolved by binding
arbitration conducted under and governed by the Commercial Financial Disputes
Arbitration Rules (the “Arbitration Rules”) of the American Arbitration
Association (the “AAA”) and the Federal Arbitration Act.  Disputes may
include, without limitation, tort claims, counterclaims, a dispute as to whether
a matter is subject to arbitration, or claims arising from documents executed in
the future, but shall specifically exclude claims brought as or converted to
class actions.  A judgment upon the award may be entered in any court
having jurisdiction.  All arbitration hearings shall be conducted in
the city named in the address of Bank first stated above.  A hearing
shall begin within 90 days of demand for arbitration and all hearings shall
conclude within 120 days of demand for arbitration.  These time
limitations may not be extended unless a party shows cause for extension and
then for no more than a total of 60 days.  The expedited procedures
set forth in Rule 51 et seq. of the
Arbitration Rules shall be applicable to claims of less than
$1,000,000.00.  Arbitrators shall be licensed attorneys selected from
the Commercial Financial Dispute Arbitration Panel of the AAA.  The
parties do not waive applicable Federal or state substantive law except as
provided herein.  Notwithstanding the preceding binding arbitration
provisions, the parties agree to preserve, without diminution, certain remedies
that any party may exercise before or after an arbitration proceeding is
brought.  The parties shall have the right to proceed in any court of
proper jurisdiction or by self-help to exercise or prosecute the following
remedies, as applicable: (i) all rights to foreclose against any real or
personal property or other security by exercising a power of sale or under
applicable law by judicial foreclosure including a proceeding to confirm the
sale; (ii) all rights of self-help including peaceful occupation of real
property and collection of rents, set-off, and peaceful possession of personal
property; (iii) obtaining provisional or ancillary remedies including injunctive
relief, sequestration, garnishment, attachment, appointment of receiver and
filing an involuntary bankruptcy proceeding; and (iv) when applicable, a
judgment by confession of judgment.  Any claim or controversy with
regard to any party’s entitlement to such remedies is a Dispute.

    

    
      
         

      

      
        15

        
          

        

      

      
         

      

    

    

    Witness
the execution and delivery hereof as of the 21st day of
May, 2008.

    

    WITNESSES:                                         INDEMNITOR

                                 

                                           SONOMAWEST HOLDINGS,
INC.,

                                                a Delaware
corporation

                   

                                                By  /s/ Walker R.
Stapleton    

                                                      Walker
R. Stapleton

                                                  Its: Chief Executive
Officer

    

    
      
         

      

      
        16

        
          

        

      

      
         

      

    

    SCHEDULE
1

     

    

     

    Phase I
Environmental Site Assessment Update dated August 22, 2005, by Western GeoLogic,
LLCexv4w1

NORTEL NETWORKS LIMITED

as Issuer,

NORTEL NETWORKS CORPORATION

AND

NORTEL NETWORKS INC.

as Guarantors,

AND

THE BANK OF NEW YORK

as Trustee

 

THIRD SUPPLEMENTAL INDENTURE

Dated as of May 28, 2008

to

Indenture Dated as of July 5, 2006

 

 

 

THIRD SUPPLEMENTAL INDENTURE dated as of May 28, 2008 (this “Third Supplemental Indenture”) to the
Indenture dated as of July 5, 2006 among Nortel Networks Limited (together with any successors,
“NNL” or the “Issuer”), a Canadian corporation having its principal place of business at 195 The
West Mall, Toronto, Ontario, Canada M9C 5K1, Nortel Networks Corporation (together with any
successors, “NNC”), a Canadian corporation having its principal place of business at 195 The West
Mall, Toronto, Ontario, Canada M9C 5K1, and Nortel Networks Inc. (together with any successors,
“NNI” and, together with NNC, the “Guarantors”), a Delaware corporation having its principal place
of business at 2221 Lakeside Boulevard, Richardson, Texas, U.S.A. 75082, and The Bank of New York
(the “Trustee”), a New York corporation authorized to conduct a banking business, having its
Corporate Trust Office at 101 Barclay Street 4 East, New York, New York, U.S.A. 10286 (the
“Original Indenture,” and, as supplemented by the First Supplemental Indenture dated as of July 5,
2006 (the “First Supplemental Indenture”), among the parties hereto, the Second Supplemental
Indenture dated as of May 1, 2007 (the “Second Supplemental Indenture”) among the parties hereto
and this Third Supplemental Indenture, the “Indenture”).

     WHEREAS, the Issuer, the Guarantors and the Trustee have heretofore executed and delivered the
Original Indenture, the First Supplemental Indenture and the Second Supplemental Indenture;

     WHEREAS, the Issuer, pursuant to the Original Indenture and the First Supplemental Indenture,
issued, and the Guarantors guaranteed, its 10.750% Senior Notes due 2016 (the “2016 Fixed Rate
Notes”);

     WHEREAS, Section 310 of the Original Indenture provides that from time to time the Issuer may
create and issue Additional Debt Securities, carrying the Guarantees executed by the Guarantors, on
terms and conditions substantially similar to those of the 2016 Fixed Rate Notes, which Additional
Debt Securities shall increase the aggregate principal amount of the 2016 Fixed Rate Notes and
shall have the right to vote together with Holders of the 2016 Fixed Rate Notes as one class;

     WHEREAS, Article Nine of the Original Indenture provides, among other things, that the Issuer,
the Guarantors and the Trustee may enter into indentures supplemental to the Original Indenture to,
among other things, provide for the form or terms of Additional Debt Securities;

     WHEREAS, the Issuer has duly authorized the creation of an additional issue of the Original 2016
Fixed Rate Notes under the Original Indenture (the “Additional Original 2016 Fixed Rate Notes”),
and an issue of securities evidencing the same continuing indebtedness and with substantially
identical terms (except that such securities shall be registered under the Securities Act and shall
not have a provision for additional interest pursuant to the 2008 Registration Rights Agreement) in
exchange for such Debt Securities (the “Additional 2016 Fixed Rate Exchange Notes,” and together
with the Additional Original 2016 Fixed Rate Notes, the “Additional 2016 Fixed Rate Notes”), to be
consolidated and form a single series with the 2016 Fixed Rate Notes, and the terms and provisions
of which are to be as specified in this Third Supplemental Indenture;

 

 

     WHEREAS, each Guarantor has duly authorized its guarantee of the Additional 2016 Fixed Rate
Notes and to provide therefor, each of the Guarantors has duly authorized the execution and
delivery of this Third Supplemental Indenture and its Guarantee under the terms set forth herein;
and

     WHEREAS, all acts and things necessary to make the Additional 2016 Fixed Rate Notes, when
executed by the Issuer, endorsed by the Guarantors and authenticated and delivered by the Trustee
as provided in the Original Indenture, the valid and binding obligations of the Issuer and the
Guarantors and to constitute a valid and binding supplemental indenture according to its terms
binding on the Issuer and the Guarantors have been done and performed;

     NOW, THEREFORE, THIS THIRD SUPPLEMENTAL INDENTURE WITNESSETH:

SECTION 1. Issuance of Additional 2016 Fixed Rate Notes.

     (a) Pursuant to Section 310 of the Original Indenture, there is hereby authorized Additional
Debt Securities of the Debt Securities designated in the First Supplemental Indenture as the
“10.750% Senior Notes due 2016” issuable by NNL and guaranteed by NNC and NNI. The Additional 2016
Fixed Rate Notes will be consolidated to form a single series with, and be fully fungible with, the
2016 Fixed Rate Notes, except that the Additional 2016 Fixed Rate Notes will initially not be
fungible for trading purposes with, and will initially bear different CUSIP and ISIN numbers than,
the 2016 Fixed Rate Notes.

     (b) The Additional 2016 Fixed Rate Notes shall be initially issued as one or more Global
Securities in the form specified in Exhibit A to this Third Supplemental Indenture, shall
have the terms set forth therein and shall be entitled to the benefits of the other provisions of
the Original Indenture as modified by the First Supplemental Indenture (to the extent applicable to
the 2016 Fixed Rate Notes), the Second Supplemental Indenture and this Third Supplemental Indenture
and specified herein. The Depository Trust Company (“DTC”) and its nominees and any successor
corporation of DTC and such successor’s nominees are hereby designated as the Depositary for the
Global Securities representing the Additional 2016 Fixed Rate Notes.

SECTION 2. Definitions.

     (a) Capitalized terms used herein and not otherwise defined shall have the respective meanings
assigned thereto in the Original Indenture and the First Supplemental Indenture, as applicable.
Except insofar as herein otherwise expressly provided, all the definitions, terms and conditions of
the Original Indenture, the First Supplemental Indenture (to the extent applicable to the 2016
Fixed Rate Notes) and the Second Supplemental Indenture shall remain in full force and effect. The
Original Indenture, the First Supplemental Indenture (to the extent applicable to the 2016 Fixed
Rate Notes) and the Second Supplemental Indenture shall be read, taken and considered as one and
the same instrument for all purposes related to the Additional 2016 Fixed Rate Notes.

     (b) Solely for purposes of this Third Supplemental Indenture and the Additional 2016 Fixed
Rate Notes and except as otherwise expressly provided or unless the context otherwise

2

 

requires, the following terms shall have the indicated meanings (such meanings shall apply
equally to both the singular and plural forms of the respective terms):

     “2008 Registration Rights Agreement” means the registration rights agreement dated as
of the date of this Third Supplemental Indenture among the Issuer, the Guarantors and the
Initial Purchasers.

     “Clearstream Luxembourg” means Clearstream Banking, S.A., or the successor to its
securities clearance and settlement operations.

     “Euroclear” means Euroclear Bank, S.A./N.V., as operator of the Euroclear system, or
its successor in such capacity.

     “Global Security Legend” means the legend set forth in Section 5(a)(i) below.

     “Initial Purchasers” means [ ].

     “Regulation S Global Security” means a Regulation S Temporary Global Security or
Regulation S Permanent Global Security, as applicable.

     “Regulation S Permanent Global Security” means a permanent Regulation S Global
Security, bearing the Global Security Legend and issued in a principal amount equal to the
outstanding principal amount of the Regulation S Temporary Global Security upon expiration
of the Restricted Period or such lesser portion thereof as to which the certificate required
pursuant to Section 4(b) of this Third Supplemental Indenture shall have been received.

     “Regulation S Temporary Global Security” means a temporary Regulation S Global Security
bearing the Global Security Legend, the Restricted Debt Securities Legend and the Regulation
S Temporary Global Security Legend and issued in a principal amount equal to the outstanding
principal amount of the Additional 2016 Fixed Rate Notes initially sold pursuant to
Regulation S.

     “Regulation S Temporary Global Security Legend” means the legend set forth in Section
5(c) below.

     “Resale Restriction Termination Date” means, for any Restricted Debt Security (or
beneficial interest therein) the date on which the Issuer instructs the Trustee in writing
to remove the Restricted Debt Securities Legend from the Restricted Debt Securities in
accordance with the procedures described in this Third Supplemental Indenture (which
instruction is expected to be given on or about the one-year anniversary of the issuance of
such Restricted Debt Security).

SECTION 3. Original Indenture

     (a) Section 301(i) of the Original Indenture shall, for purposes of the Additional 2016 Fixed
Rate Notes only, be replaced with the following:

3

 

“(i) Debt Securities originally offered and sold outside the United States in reliance on
Regulation S will be issued in the form of one or more Regulation S Temporary Global
Securities, each of which shall be exchangeable for a Regulation S Permanent Global
Security, as provided in the applicable supplemental indenture.”

     (b) Section 306(c)(ii) of the Original Indenture shall, for purposes of the Additional 2016
Fixed Rate Notes only, be replaced with the following:

“(ii) the Issuer executes and delivers to the Trustee and Security Registrar an Officers’
Certificate stating that such Global Security shall be so exchangeable; provided that
beneficial interests in a Regulation S Temporary Global Security may not be exchanged for
Certificated Securities prior to the later of (1) the expiration of the applicable
Restricted Period and (2) the receipt of the certificates required by Section 4(b)(i)(A) of
the Third Supplemental Indenture dated as of May 28, 2008 (the “Third Supplemental
Indenture”) among the Issuer, the Guarantors and the Trustee.”

     (c) Section 308(c)(iv) of the Original Indenture shall, for purposes of the Additional 2016
Fixed Rate Notes only, be replaced with the following:

“(iv) such Certificated Securities (or beneficial interests) are transferred, replaced or
exchanged after the Resale Restriction Termination Date therefor and, in the case of any
such Restricted Debt Security, the Issuer has complied with the applicable procedures for
delegending in accordance with Section 6 of the Third Supplemental Indenture; or”

     (d) Exhibit B to the Original Indenture shall, for purposes of the Additional 2016 Fixed Rate
Notes only, be replaced with Exhibit B attached hereto.

     (e) The following provision shall be inserted at the end of Section 308 of the Original
Indenture, for purposes of the Additional 2016 Fixed Rate Notes only:

“(f) The following provisions contained in this subsection (f) shall apply with respect to
any proposed transfer of an interest in a Regulation S Temporary Global Security, during the
applicable Restricted Period: If (1) the owner of a beneficial interest in such Regulation
S Temporary Global Security wishes to transfer such interest (or portion thereof) to a QIB
pursuant to Rule 144A and (2) such QIB wishes to hold its interest in the Debt Securities
through a beneficial interest in a Rule 144A Global Security, then (x) upon receipt by the
Security Custodian and Security Registrar of:

	 	(i)	 	instructions from the DTC participant holding such
interest in the Regulation S Temporary Global Security directing the
Security Custodian and Security Registrar to credit or cause to be
credited a beneficial interest in a Rule 144A Global Security equal to
the principal amount of the interest in such Regulation S Temporary
Global Security to be transferred, and
	 
	 	(ii)	 	a certificate in the form of Exhibit C from the
transferor,

4

 

	 	 	 	and (y) in compliance with the requirements of Section 308(b)(i), if applicable, and (z)
subject to the rules and procedures of the Depositary, the Security Custodian and Security
Registrar shall increase the Rule 144A Global Security and decrease the Regulation S
Temporary Global Security by such amount in accordance with the foregoing.

	 	 	 	For the avoidance of doubt, transfers made in accordance with this Section 308(f) shall be
considered in compliance with, and as contemplated by, Section 308(b)(i).

(g) No interest in a Regulation S Temporary Global Security will be transferred to a holder
of an interest in the Regulation S Permanent Global Security except pursuant to and in
compliance with Section 4 of the Third Supplemental Indenture.”

SECTION 4. Temporary Regulation S Global Securities.

     (a) Additional 2016 Fixed Rate Notes that are Regulation S Debt Securities shall be issued
initially in the form of one or more Regulation S Temporary Global Securities, which shall be
delivered to the Security Custodian and registered in the name of the Depositary or the nominee of
the Depositary, duly executed by the Issuer and authenticated by the Trustee as provided in the
Original Indenture.

     (b) Following (i) the termination of the Restricted Period and (ii) the receipt by the Trustee
of (A) a certification in the form of Exhibit D-1 hereto to the effect that Euroclear or
Clearstream Luxembourg, as applicable (or, alternatively, by each DTC participant thereof), has
received a certificate in the form of Exhibit D-2 of non-United States beneficial ownership
of 100% of the aggregate principal amount of each Regulation S Temporary Global Security (except to
the extent of any beneficial owners thereof who acquired an interest therein during the Restricted
Period pursuant to another exemption from registration under the Securities Act and who shall take
delivery of a beneficial interest in a Rule 144A Global Security bearing the Restricted Debt
Securities Legend, all as contemplated by Section 308 of the Original Indenture) and (B) an
Officers’ Certificate in the form of Exhibit E hereto from the Issuer, the Trustee shall
remove the Regulation S Temporary Global Security Legend from the Regulation S Temporary Global
Security, following which beneficial interests in the Regulation S Temporary Global Security shall
automatically be deemed exchanged for beneficial interests in the Regulation S Permanent Global
Security.

     (c) The aggregate principal amount of a Regulation S Temporary Global Security and a
Regulation S Permanent Global Security may from time to time be increased or decreased by
adjustments made on the records of the Trustee and the Depositary or its nominee, as the case may
be, in connection with transfers of interests as provided in the Original Indenture.

     (d) For the avoidance of doubt, the Regulation S Temporary Global Security Legend shall not be
removed if less than 100% of the aggregate principal amount of each Regulation S Temporary Global
Security is certified, pursuant to clause (b) above, as being beneficially owned by non-United
States persons or United States persons who purchased such Regulation S Temporary Global Securities
in transactions which did not require registration under the Securities Act.

SECTION 5. Legends.

5

 

     (a) Global Security Legends. (i) Each Global Security representing Additional 2016 Fixed
Notes shall bear the legend set forth in Section 307(a)(i) of the Original Indenture.

          (ii) For so long as DTC is the Depositary for a Global Security representing Additional 2016
Fixed Notes, such Global Security shall bear the legend set forth in Section 307(a)(ii) of the
Original Indenture.

     (b) Securities Act Legends. Additional 2016 Fixed Rate Notes that are Restricted Debt
Securities or their Successor Debt Securities shall, in lieu of the legend set forth in Section
307(b) of the Original Indenture, bear a Restricted Debt Securities Legend substantially in the
form set forth below:

“THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED
(THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION. NEITHER THIS
SECURITY NOR ANY INTEREST OR PARTICIPATION HEREIN MAY BE REOFFERED, SOLD, ASSIGNED, TRANSFERRED,
PLEDGED, ENCUMBERED OR OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION OR UNLESS SUCH
TRANSACTION IS EXEMPT FROM, OR NOT SUBJECT TO, SUCH REGISTRATION. THE HOLDER OF THIS SECURITY, BY
ITS ACCEPTANCE HEREOF, AGREES ON ITS OWN BEHALF AND ON BEHALF OF ANY INVESTOR ACCOUNT FOR WHICH IT
HAS PURCHASED SECURITIES, TO OFFER, SELL OR OTHERWISE TRANSFER SUCH SECURITY, PRIOR TO THE DATE
(THE “RESALE RESTRICTION TERMINATION DATE”) ON WHICH THE ISSUER INSTRUCTS THE TRUSTEE THAT THIS
RESTRICTIVE LEGEND SHALL BE DEEMED REMOVED (WHICH INSTRUCTION IS EXPECTED TO BE GIVEN ON OR ABOUT
THE ONE-YEAR ANNIVERSARY OF THE ISSUANCE OF THIS SECURITY), ONLY (A) TO THE ISSUER OR A GUARANTOR,
(B) PURSUANT TO A REGISTRATION STATEMENT THAT HAS BEEN DECLARED EFFECTIVE UNDER THE SECURITIES ACT,
(C) FOR SO LONG AS THE SECURITIES ARE ELIGIBLE FOR RESALE PURSUANT TO RULE 144A UNDER THE
SECURITIES ACT, TO A PERSON IT REASONABLY BELIEVES IS A “QUALIFIED INSTITUTIONAL BUYER” AS DEFINED
IN RULE 144A UNDER THE SECURITIES ACT THAT PURCHASES FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A
QUALIFIED INSTITUTIONAL BUYER TO WHOM NOTICE IS GIVEN THAT THE TRANSFER IS BEING MADE IN RELIANCE
ON RULE 144A, (D) PURSUANT TO OFFERS AND SALES THAT OCCUR OUTSIDE THE UNITED STATES WITHIN THE
MEANING OF REGULATION S UNDER THE SECURITIES ACT, (E) TO AN INSTITUTIONAL “ACCREDITED INVESTOR”
WITHIN THE MEANING OF RULE 501(a)(1), (2), (3) OR (7) UNDER THE SECURITIES ACT THAT IS AN
INSTITUTIONAL ACCREDITED INVESTOR ACQUIRING THE SECURITY FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF
SUCH AN INSTITUTIONAL ACCREDITED INVESTOR, IN EACH CASE IN A MINIMUM PRINCIPAL AMOUNT OF THE
SECURITIES OF $250,000, FOR INVESTMENT PURPOSES AND NOT WITH A VIEW TO OR FOR OFFER OR SALE IN
CONNECTION WITH ANY DISTRIBUTION IN VIOLATION OF THE SECURITIES ACT, OR (F) PURSUANT TO ANOTHER
AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT,

6

 

SUBJECT TO THE ISSUER’S AND ANY GUARANTOR’S RIGHT PRIOR TO ANY SUCH OFFER, SALE OR TRANSFER
PURSUANT TO CLAUSES (E) OR (F) TO REQUIRE THE DELIVERY OF AN OPINION OF COUNSEL, CERTIFICATION
AND/OR OTHER INFORMATION SATISFACTORY TO EACH OF THEM. THIS LEGEND SHALL BE DEEMED REMOVED WITHOUT
FURTHER ACTION OF THE ISSUER, THE TRUSTEE OR ANY HOLDER AT SUCH TIME AS THE ISSUER INSTRUCTS THE
TRUSTEE IN WRITING TO REMOVE SUCH LEGEND IN ACCORDANCE WITH THE THIRD SUPPLEMENTAL INDENTURE.”

     (c) Regulation S Temporary Global Security Legend. Any Regulation S Temporary Global Security
representing Additional 2016 Fixed Rate Notes shall bear the Regulation S Temporary Global Security
Legend substantially in the form set forth below:

“THIS SECURITY (OR ITS PREDECESSOR) WAS ORIGINALLY ISSUED IN A TRANSACTION ORIGINALLY EXEMPT FROM
REGISTRATION UNDER THE SECURITIES ACT. NEITHER THIS SECURITY NOR ANY INTEREST OR PARTICIPATION
HEREIN MAY BE TRANSFERRED IN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, ANY U.S.
PERSON EXCEPT PURSUANT TO AN AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE
SECURITIES ACT AND ALL APPLICABLE STATE SECURITIES LAWS. TERMS USED ABOVE HAVE THE MEANINGS GIVEN
TO THEM IN REGULATION S UNDER THE SECURITIES ACT.”

     (d) Canadian Securities Legend. Each Global Security representing Additional 2016 Fixed Rate
Notes shall bear a legend in substantially the form set forth in Section 307(c) of the Original
Indenture unless the Security Registrar receives an Officers’ Certificate confirming that such
legend is not required.

SECTION 6. Applicable Procedures for Delegending.

     (a) Promptly after one year has elapsed following (i) the date of original issuance of
Additional 2016 Fixed Rate Notes or (ii) if the Issuer has issued any Additional Debt Securities
with the same terms and the same CUSIP number as the Additional 2016 Fixed Rate Notes under Section
310 of the Original Indenture within one year following the last date of original issuance of
Additional 2016 Fixed Rate Notes, the last date of original issuance of such Additional Debt
Securities, if the Additional 2016 Fixed Rate Notes (including any Additional Debt Securities with
the same terms and the same CUSIP number as the Additional 2016 Fixed Rate Notes) are freely
tradable pursuant to Rule 144 under the Securities Act (or otherwise) without volume restrictions
by Holders who are not Affiliates of the Issuer, the Issuer shall:

	 	1.	 	instruct the Trustee in writing to remove the Restricted Debt Securities Legend
described in Section 5 above from the Additional 2016 Fixed Rate Notes by delivering to
the Trustee a certificate in the form of Exhibit F, and upon such instruction
the Restricted Debt Securities Legend shall be deemed removed from any Global
Securities representing such Additional 2016 Fixed Rate Notes without further action on
the part of Holders;

7

 

	 	2.	 	notify Holders of the Additional 2016 Fixed Rate Notes that the Restricted Debt
Securities Legend has been removed or deemed removed; and
	 
	 	3.	 	notify the Trustee by delivering to the Trustee a certificate in the form of
Exhibit F attached hereto and instruct DTC to change the CUSIP number for the
Additional 2016 Fixed Rate Notes to the unrestricted CUSIP number.

In no event will the failure of the Issuer to provide any notice set forth in this paragraph or of
the Trustee to remove the Restricted Debt Securities Legend constitute a failure by the Issuer to
comply with any of its covenants or agreements set forth in the Indenture for purposes of Section
501 of the Original Indenture or otherwise. Any Restricted Debt Security (or security issued in
exchange or substitution therefor) as to which such restrictions on transfer shall have expired in
accordance with their terms may, upon surrender of such Restricted Debt Security for exchange to
the Security Registrar in accordance with the provisions of Article Three of the Original
Indenture, be exchanged for a new Debt Security or Debt Securities, of like tenor and aggregate
principal amount, which shall not bear the Restricted Debt Securities Legend required by Article
Three of the Original Indenture and this Section 6. The Issuer shall notify the Trustee in writing
upon the occurrence of the Resale Restriction Termination Date and promptly after a Registration
Statement with respect to the Debt Securities, if any, has been declared effective under the
Securities Act.

     (b) Notwithstanding any provision of Sections 5 or 6 herein or Section 308 of the Original
Indenture to the contrary, in the event that Rule 144 as promulgated under the Securities Act (or
any successor rule) is amended to change the one-year holding period thereunder (or the
corresponding period under any successor rule), from and after receipt by the Trustee of the
Officers’ Certificate and Opinion of Counsel provided for in Section 308(c)(iii) of the Original
Indenture, (i) each reference in this Section 6 to “one year” and in the Restricted Debt Securities
Legend set forth in Section 5(c) to “ONE YEAR” shall be deemed for all purposes hereof to be
references to such changed period, and (ii) all corresponding references in the Debt Securities
(including the definition of Resale Restriction Termination Date) and the Restricted Debt
Securities Legends thereon shall be deemed for all purposes hereof to be references to such changed
period, provided that such changes shall not become effective if they are otherwise prohibited by,
or would otherwise cause a violation of, the then-applicable federal securities laws. The
provisions of this Section 6(b) will not be effective until such time as the Opinion of Counsel and
Officers’ Certificate have been received by the Trustee hereunder. This Section 6 shall apply to
successive amendments to Rule 144 (or any successor rule) changing the holding period thereunder.

SECTION 7. Amendments

     (a) The preamble of the Original Indenture is hereby amended by replacing each reference to
“101 Barclay Street 21W” with “101 Barclay Street 4 East.”

     (b) The preamble of the Original Indenture is hereby amended by replacing each reference to
“4008 Chapel Hill — Nelson Highway, Research Triangle Park, North Carolina, U.S.A. 27709” with
“2221 Lakeside Boulevard, Richardson, Texas, U.S.A. 75082.”

8

 

     (c) Clause (i) of the definition of Permitted Funded Debt set forth in the Original Indenture
is hereby amended and restated in its entirety to read as follows: “(i) additional Funded Debt of
NNC, the Issuer and/or any Subsidiary of NNC in an aggregate outstanding principal amount not to
exceed, after giving effect to the relevant transaction, $250,000,000;”.

SECTION 8. Governing Law.

     This Third Supplemental Indenture and each of the Additional 2016 Fixed Rate Notes shall be
governed by, and construed in accordance with, the laws of the State of New York, but without
giving effect to applicable principles of conflicts of law to the extent that the application of
the law of another jurisdiction would be required thereby.

SECTION 9. No Recourse Against Others.

     No recourse for the payment of the principal of, premium, if any, or interest on any of the
Additional 2016 Fixed Rate Notes, or payment under any of the Guarantees, or for any claim based
thereon or otherwise in respect thereof, and no recourse under or upon any obligation, covenant or
agreement of the Issuer or any Guarantor contained in this Third Supplemental Indenture, or in any
of the Additional 2016 Fixed Rate Notes or Guarantees, or because of the creation of any
indebtedness represented thereby shall be had against any incorporator or against any past, present
or future partner, shareholder, other equityholder, officer, director, employee or controlling
person, as such, of the Issuer, any Guarantor or of any successor Person thereof, either directly
or through the Issuer, any Guarantor or any successor Person thereof, whether by virtue of any
constitution, statute or rule of law, or by the enforcement of any assessment or penalty or
otherwise, it being expressly understood that all such liability is hereby expressly waived and
released as condition of, and as a consideration for, the execution of this Third Supplemental
Indenture and the issuance of the Additional 2016 Fixed Rate Notes and the Guarantees.

SECTION 10. Counterparts.

     This Third Supplemental Indenture may be executed in any number of counterparts, each of which
shall be an original but such counterparts shall together constitute but one and the same
instrument.

9

 

     IN WITNESS WHEREOF, the parties hereto have caused this Third Supplemental Indenture to be
duly executed as of the day, month and year first above written.

	 	 	 	 	 
	 	NORTEL NETWORKS LIMITED, as Issuer

 	 
	 	By:  	/s/ Michael W. McCorkle
 	 
	 	 	Name:  	Michael W. McCorkle 	 
	 	 	Title:  	Treasurer 	 
	 

	 	 	 	 	 
	 	 	 
	 	By:  	/s/ Gordon A. Davies
 	 
	 	 	Name:  	Gordon A. Davies 	 
	 	 	Title:  	Deputy General Counsel and Corporate Secretary 	 
	 

	 	 	 	 	 
	 	NORTEL NETWORKS CORPORATION, as Guarantor

 	 
	 	By:  	/s/ Michael W. McCorkle
 	 
	 	 	Name:  	Michael W. McCorkle 	 
	 	 	Title:  	Treasurer 	 
	 

	 	 	 	 	 
	 	 	 
	 	By:  	/s/ Gordon A. Davies
 	 
	 	 	Name:  	Gordon A. Davies 	 
	 	 	Title:  	Deputy General Counsel and Corporate Secretary 	 
	 

	 	 	 	 	 
	 	NORTEL NETWORKS INC., as Guarantor

 	 
	 	By:  	/s/ Lynn C. Egan
 	 
	 	 	Name:  	Lynn C. Egan 	 
	 	 	Title:  	Assistant Secretary 	 
	 

	 	 	 	 	 
	 	THE BANK OF NEW YORK, as Trustee

 	 
	 	By:  	/s/ Vanessa Mack
 	 
	 	 	Name:  	Vannessa Mack 	 
	 	 	Title:  	Vice President 	 
	 

10

 

EXHIBIT A

10.750% Senior Notes due 2016

[Insert the Global Security Legend, if applicable, pursuant to Section 5 of the Third Supplemental
Indenture —

THIS IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE REFERRED TO HEREINAFTER.

TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN WHOLE, BUT NOT IN PART, TO
NOMINEES OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”) OR TO A SUCCESSOR THEREOF
OR SUCH SUCCESSOR’S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO
TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN THE INDENTURE REFERRED TO ON THE
REVERSE HEREOF.

UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF DTC, NEW YORK, NEW YORK, TO
THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE
ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN
AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS
IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR
VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE &
CO., HAS AN INTEREST HEREIN.]

[If a Restricted Debt Security or its Successor Debt Securities, then insert the following legend
(the “Restricted Debt Security Legend”) pursuant to Section 5 of the Third Supplemental Indenture
—

THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED
(THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION. NEITHER THIS
SECURITY NOR ANY INTEREST OR PARTICIPATION HEREIN MAY BE REOFFERED, SOLD, ASSIGNED, TRANSFERRED,
PLEDGED, ENCUMBERED OR OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION OR UNLESS SUCH
TRANSACTION IS EXEMPT FROM, OR NOT SUBJECT TO, SUCH REGISTRATION. THE HOLDER OF THIS SECURITY, BY
ITS ACCEPTANCE HEREOF, AGREES ON ITS OWN BEHALF AND ON BEHALF OF ANY INVESTOR ACCOUNT FOR WHICH IT
HAS PURCHASED SECURITIES, TO OFFER, SELL OR OTHERWISE TRANSFER SUCH SECURITY, PRIOR TO THE DATE
(THE “RESALE RESTRICTION TERMINATION DATE”) ON WHICH THE ISSUER INSTRUCTS THE

A-1

 

TRUSTEE THAT THIS RESTRICTIVE LEGEND SHALL BE DEEMED REMOVED (WHICH INSTRUCTION IS EXPECTED TO BE
GIVEN ON OR ABOUT THE ONE-YEAR ANNIVERSARY OF THE ISSUANCE OF THIS SECURITY), ONLY (A) TO THE
ISSUER OR A GUARANTOR, (B) PURSUANT TO A REGISTRATION STATEMENT THAT HAS BEEN DECLARED EFFECTIVE
UNDER THE SECURITIES ACT, (C) FOR SO LONG AS THE SECURITIES ARE ELIGIBLE FOR RESALE PURSUANT TO
RULE 144A UNDER THE SECURITIES ACT, TO A PERSON IT REASONABLY BELIEVES IS A “QUALIFIED
INSTITUTIONAL BUYER” AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT THAT PURCHASES FOR ITS OWN
ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER TO WHOM NOTICE IS GIVEN THAT THE
TRANSFER IS BEING MADE IN RELIANCE ON RULE 144A, (D) PURSUANT TO OFFERS AND SALES THAT OCCUR
OUTSIDE THE UNITED STATES WITHIN THE MEANING OF REGULATION S UNDER THE SECURITIES ACT, (E) TO AN
INSTITUTIONAL “ACCREDITED INVESTOR” WITHIN THE MEANING OF RULE 501(a)(1), (2), (3) OR (7) UNDER THE
SECURITIES ACT THAT IS AN INSTITUTIONAL ACCREDITED INVESTOR ACQUIRING THE SECURITY FOR ITS OWN
ACCOUNT OR FOR THE ACCOUNT OF SUCH AN INSTITUTIONAL ACCREDITED INVESTOR, IN EACH CASE IN A MINIMUM
PRINCIPAL AMOUNT OF THE SECURITIES OF $250,000, FOR INVESTMENT PURPOSES AND NOT WITH A VIEW TO OR
FOR OFFER OR SALE IN CONNECTION WITH ANY DISTRIBUTION IN VIOLATION OF THE SECURITIES ACT, OR (F)
PURSUANT TO ANOTHER AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT,
SUBJECT TO THE ISSUER’S AND ANY GUARANTOR’S RIGHT PRIOR TO ANY SUCH OFFER, SALE OR TRANSFER
PURSUANT TO CLAUSES (E) OR (F) TO REQUIRE THE DELIVERY OF AN OPINION OF COUNSEL, CERTIFICATION
AND/OR OTHER INFORMATION SATISFACTORY TO EACH OF THEM. THIS LEGEND SHALL BE DEEMED REMOVED WITHOUT
FURTHER ACTION OF THE ISSUER, THE TRUSTEE OR ANY HOLDER AT SUCH TIME AS THE ISSUER INSTRUCTS THE
TRUSTEE IN WRITING TO REMOVE SUCH LEGEND IN ACCORDANCE WITH THE THIRD SUPPLEMENTAL INDENTURE.]

[If this Security is a Regulation S Temporary Global Security issued during the Restricted Period
therefor, then insert the following legend (the “Regulation S Temporary Global Security Legend”)
pursuant to Section 5 of the Third Supplemental Indenture —

THIS SECURITY (OR ITS PREDECESSOR) WAS ORIGINALLY ISSUED IN A TRANSACTION ORIGINALLY EXEMPT FROM
REGISTRATION UNDER THE SECURITIES ACT. NEITHER THIS SECURITY NOR ANY INTEREST OR PARTICIPATION
HEREIN MAY BE TRANSFERRED IN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, ANY U.S.
PERSON EXCEPT PURSUANT TO AN AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE
SECURITIES ACT AND ALL APPLICABLE STATE SECURITIES LAWS. TERMS USED ABOVE HAVE THE MEANINGS GIVEN
TO THEM IN REGULATION S UNDER THE SECURITIES ACT.]

A-2

 

[Insert the Canadian Securities Legend, if applicable, pursuant to Section 5 of the Third
Supplemental Indenture —

UNLESS PERMITTED UNDER CANADIAN SECURITIES LEGISLATION, THE HOLDER OF THIS SECURITY MUST NOT TRADE
THE SECURITY IN CANADA BEFORE [INSERT DATE THAT IS FOUR MONTHS PLUS ONE DAY AFTER THE ISSUE DATE].]

A-3

 

CUSIP/CINS                     †

	 	 	 
	No.      

	 	$                    

NORTEL NETWORKS LIMITED (together with any successors, the “Issuer”), a Canadian corporation,
promises to pay to CEDE & CO. or registered assigns, the principal sum of
                                              DOLLARS on July 15, 2016 (which principal sum may from time to time be
reduced or increased as appropriate to reflect exchanges, redemptions, repurchases and transfers of
interest, but which, when taken together with the aggregate principal sum of all other Additional
2016 Fixed Rate Notes (as defined in the Third Supplemental Indenture referred to below), shall not
exceed $675,000,000 at any time, subject to increase as provided in Section 5 on the reverse of
this Note).

Interest Payment Dates: January 15 and July 15.

Regular Record Dates: January 1 and July 1.

 

			
	†	 	At such time as the Company notifies the Trustee to remove the legend set forth in
the fourth paragraph hereof pursuant to Section 6 of the Third Supplemental
Indenture, the CUSIP number for this Security shall be deemed to be CUSIP No.                     .

A-4

 

IN WITNESS WHEREOF, the Issuer has caused this instrument to be duly executed as of
the date below.

Dated:                               , 2008

	 	 	 	 	 
	 	NORTEL NETWORKS LIMITED

 	 
	 	By:  	 	 
	 	 	Name:  	Michael W. McCorkle 	 
	 	 	Title:  	Treasurer 	 
	 

	 	 	 	 	 
	 	 	 
	 	By:  	
 	 
	 	 	Name:  	Gordon A. Davies 	 
	 	 	Title:  	Deputy General Counsel and Corporate Secretary 	 
	 

A-5

 

GUARANTEE

OF

NORTEL NETWORKS CORPORATION

AND

NORTEL NETWORKS INC.

For value received, each Guarantor hereby unconditionally and irrevocably guarantees, jointly and
severally to the Holder of this Note upon which this Guarantee is endorsed and to the Trustee on
behalf of each such Holder the due and punctual payment of the principal of, premium, if any,
interest and Additional Amounts, if any, on this Note, when and as the same shall become due and
payable, whether on the Stated Maturity Date, by declaration of acceleration, call for redemption
or otherwise, according to the terms thereof and of the indenture dated as of July 5, 2006 among
Nortel Networks Limited, as issuer, Nortel Networks Corporation and Nortel Networks Inc., as
guarantors, and The Bank of New York, as trustee (the “Original Indenture” and, as supplemented by
the First Supplemental Indenture dated as of July 5, 2006, the Second Supplemental Indenture dated
as of May 1, 2007 and the Third Supplemental Indenture dated as of May 28, 2008 (the “Third
Supplemental Indenture”), in each case, among Nortel Networks Limited, as issuer, Nortel Networks
Corporation and Nortel Networks Inc., as guarantors, and The Bank of New York, as trustee, the
“Indenture”). In case of the failure of Nortel Networks Limited, a corporation organized under the
laws of Canada (herein called the “Issuer,” which term includes any successor Person under the
Indenture), punctually to make any such payment of principal, premium, if any, or interest, and
Additional Amounts, if any, each Guarantor, for so long as this Guarantee shall be in effect,
hereby agrees to cause any such payment to be made to or to the order of the Trustee punctually
when and as the same shall become due and payable, whether on the Stated Maturity Date or by
declaration of acceleration, call for redemption or otherwise, and as if such payment were made by
the Issuer.

Each Guarantor hereby agrees that its obligations hereunder shall be as if it were the principal
debtor and not merely surety, and shall be absolute and unconditional, irrespective of, and shall
be unaffected by, any invalidity, irregularity or unenforceability of this Note or the Indenture,
any failure to enforce the provisions of this Note or the Indenture, or any waiver, modification or
indulgence granted to the Issuer with respect thereto, by the Holder of this Note or the Trustee or
any other circumstance which may otherwise constitute a legal or equitable discharge of a surety or
guarantor. Each Guarantor hereby waives diligence, presentment, demand of payment, filing of
claims with a court in the event of merger or bankruptcy of the Issuer, any right to require a
proceeding first against the Issuer, protest or notice with respect to this Note or the
indebtedness evidenced and all demands whatsoever, and covenants that this Guarantee will not be
discharged except by payment in full of the principal of, premium, if any, and interest on this
Note or as otherwise described in Section 203 of the Original Indenture.

The Guarantee of each Guarantor hereunder shall be automatically and unconditionally released on
the terms set forth in Section 203(b) of the Original Indenture.

A-6

 

Each Guarantor shall be subrogated to all rights of the Holder of this Note and the Trustee against
the Issuer in respect of any amounts paid to such Holder by such Guarantor pursuant to the
provisions of this Guarantee; provided that no such Guarantor shall be entitled to enforce, or to
receive any payments arising out of or based upon such right of subrogation until the principal of,
premium, if any, and interest on all Notes of the same series issued under the Indenture shall have
been paid in full.

Each Guarantor hereby agrees that its obligations hereunder shall be direct, unconditioned and
unsubordinated and will rank equally and ratably without preference and at least equally with other
senior unsecured obligations of such Guarantor, except to the extent prescribed by law. The Holder
of a guaranteed Note will be entitled to payment under this Guarantee without taking any action
whatsoever against the Issuer.

No reference herein to the Indenture and no provision of this Guarantee or of the Indenture shall
alter or impair the guarantees of the Guarantors, which are absolute and unconditional, of the due
and punctual payment of the principal of, premium, if any, and interest on, the Note upon which
this Guarantee is endorsed.

This Guarantee shall not be valid or obligatory for any purpose until the certificate of
authentication of this Note shall have been manually executed by or on behalf of the Trustee under
the Indenture.

All terms used in this Guarantee which are defined in the Indenture shall have the meanings
assigned to them in the Indenture.

This Guarantee shall be governed by and construed in accordance with the laws of the State of New
York, but without giving effect to applicable principles of conflicts of law to the extent that the
application of the law of another jurisdiction would be required thereby.

A-7

 

Executed and dated the date on the face hereof.

	 	 	 	 	 
	 	NORTEL NETWORKS CORPORATION

 	 
	 	By:  	 	 
	 	 	Name:  	Michael W. McCorkle 	 
	 	 	Title:  	Treasurer 	 
	 

	 	 	 	 	 
	 	 	 
	 	By:  	 	 
	 	 	Name:  	Gordon A. Davies 	 
	 	 	Title:  	Deputy General Counsel and Corporate Secretary 	 
	 

A-8

 

Executed and dated the date on the face hereof.

	 	 	 	 	 
	 	NORTEL NETWORKS INC.

 	 
	 	By:  	 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 
	 

A-9

 

TRUSTEE’S CERTIFICATE OF AUTHENTICATION

     This is one of the Additional 2016 Fixed Rate Notes issued under the within-mentioned
Indenture.

	 	 	 	 	 
	 	THE BANK OF NEW YORK,
     as Trustee

 	 
	 	By:  	 	 
	 	 	Authorized Signatory 	 
	 	 	 	 
	 

A-10

 

Back of Note

10.750% Senior Notes due 2016

     Capitalized terms used herein shall have the meanings assigned to them in the Indenture
referred to below unless otherwise indicated.

	 	1.	 	Interest. Nortel Networks Limited, a Canadian corporation (such corporation,
and its successors and assigns under the Indenture hereinafter referred to, being
herein called the “Issuer”), promises to pay interest on the principal amount of this
Note at the rate per annum shown above. The Issuer will pay interest semiannually on
January 15 and July 15 of each year commencing on July 15, 2008 (or, if any such day is
not a Business Day, the next succeeding Business Day) (each, an “Interest Payment
Date”). Interest on the Notes will accrue from the most recent date to which interest
has been paid on the Notes or, if no interest has been paid, from May 28, 2008.
Interest will be computed on the basis of a 360-day year of twelve 30-day months.
	 
	 	 	 	[If Original Note, then insert—The Issuer agrees to pay Additional Interest, if
any, on the principal amount of this Note as and to the extent set forth in the 2008
Registration Rights Agreement.]
	 
	 	 	 	Solely for purposes of disclosure pursuant to the Interest Act (Canada) and without
affecting the calculation of interest on the Notes, the yearly rate of interest for
any portion of an interest period of less than a full calendar year is the percent
rate per annum noted on the Notes multiplied by the actual number of days in the
calendar year in which interest is paid divided by the number of days in such
portion of the interest period.
	 
	 	2.	 	Guarantees. This Note is entitled to the benefits of the certain senior,
unsecured Guarantees of the Guarantors. Reference is hereby made to Article II of the
Original Indenture and to the Guarantees endorsed on this Note for a statement of the
respective rights, limitations of rights, duties and obligations thereunder of the
Guarantors, the Trustee and the Holders. The Guarantee of each Guarantor hereunder
shall be automatically and unconditionally released on the terms set forth in Section
203(b) of the Original Indenture.
	 
	 	3.	 	Method of Payment. By no later than 11:00 a.m. (New York City time) on the
date on which any principal of or interest on any Note is due and payable, the Issuer
shall irrevocably deposit with the Trustee or the Paying Agent (as defined below) money
sufficient to pay such principal and/or interest. The Issuer will pay interest (except
Defaulted Interest) on the principal amount of the Notes on each January 15 and July 15
to the Persons who are registered Holders of Notes at the close of business on the
January 1 or July 1 next preceding the Interest Payment Date even if Notes are canceled
or repurchased after the Regular Record Date and on or before the Interest Payment
Date. Holders must surrender Notes to a Paying Agent to collect principal payments.
The Issuer will pay principal and interest in

A-11

 

	 	 	 	Dollars of the United States that at the time of payment is legal tender for payment
of public and private debts. The Issuer will make all payments in respect of a Note
(including principal and interest) in Dollars at the office of the Trustee. At the
Issuer’s option, however, the Issuer may make such payments by mailing a check to
the registered address of each Holder thereof as such address shall appear on the
Security Register or, with respect to Notes represented by a Global Note, by wire
transfer of immediately available funds to the accounts specified by the Depositary
or its nominee. If a payment date is a date other than a Business Day, payment may
be made at that place on the next succeeding day that is a Business Day and no
interest shall accrue for the intervening period.

	 	4.	 	Paying Agent and Security Registrar. Initially, The Bank of New York, the
Trustee under the Indenture, will act as paying agent (in such capacity, the “Paying
Agent”) and registrar (in such capacity, the “Security Registrar”). The Issuer may
change any Paying Agent or the Security Registrar without notice to any Holder. The
Issuer or any of its Subsidiaries may act in any such capacity.
	 
	 	5.	 	Indenture. The Issuer issued the Notes under an Indenture dated as of July 5,
2006 (the “Original Indenture”) among Nortel Networks Limited, as Issuer, Nortel
Networks Corporation and Nortel Networks Inc., as Guarantors, and the Trustee as
supplemented by the First Supplemental Indenture dated as of July 5, 2006 (the “First
Supplemental Indenture”), the Second Supplemental Indenture dated as of May 1, 2007
(the “Second Supplemental Indenture”) and the Third Supplemental Indenture dated as of
May 28, 2008 (the “Third Supplemental Indenture”), in each case, among Nortel Networks
Limited, as Issuer, Nortel Networks Corporation and Nortel Networks Inc., as
Guarantors, and The Bank of New York, as Trustee. The Original Indenture as
supplemented by the First Supplemental Indenture, the Second Supplemental Indenture and
the Third Supplemental Indenture is referred to herein as the “Indenture.” The terms
of the Notes include those stated in the Indenture and those made part of the Indenture
by reference to the Trust Indenture Act. The Notes are subject to all such terms, and
Holders are referred to the Indenture and such Trust Indenture Act for a statement of
such terms. To the extent any provision of this Note conflicts with the express
provisions of the Indenture, the provisions of the Indenture shall govern and be
controlling. The Notes are obligations of the Issuer. The Notes represented hereby
are Additional 2016 Fixed Rate Notes (as defined in the Third Supplemental Indenture),
which shall constitute part of a single series with the 2016 Fixed Rate Notes issued
under the First Supplemental Indenture. Subject to the conditions set forth in the
Indenture and without the consent of the Holders, the Issuer may issue Additional Debt
Securities. All Notes of a series, including any Exchange Debt Securities or
Additional Debt Securities, will be treated as a single class of securities under the
Indenture.
	 
	 	6.	 	Optional Redemption. (a) At any time prior to July 15, 2011, the Issuer may
redeem the Notes at its option, in whole at any time or in part from time to time, at a
Redemption Price equal to 100% of the principal amount plus the 2016 Applicable Premium
as of, and accrued and unpaid interest, if any, to, the

A-12

 

	 	 	 	Redemption Date (subject to the right of Holders of record on the relevant record
date to receive interest due on the relevant Interest Payment Date).

	 	(b)	 	At any time on or after July 15, 2011, the Issuer may redeem
the Notes at its option, in whole at any time or in part from time to time, at
the Redemption Prices (expressed as percentages of the principal amount) set
forth below plus accrued and unpaid interest and Additional Interest, if any,
on the Notes redeemed to the applicable Redemption Date (subject to the right
of Holders of record on the relevant record date to receive interest due on the
relevant Interest Payment Date), if redeemed during the twelve-month period
beginning on July 15 of the years indicated below:

	 	 	 	 	 
	Year	 	Redemption	 
	 	 	Price	 
	2011
	 	 	105.375	%
	2012
	 	 	103.583	%
	2013
	 	 	101.792	%
	2014 and each year thereafter
	 	 	100.000	%

	 	(c)	 	A notice of redemption complying with Section 1104(a) of the
Original Indenture shall be mailed at least 30 days but not more than 60 days
before the redemption date to each Holder whose Notes are to be redeemed at
its address set forth in the Securities Register. Notes in denominations
greater than $2,000 may be redeemed in part but only in whole multiples of
$1,000, unless all of the Notes held by a Holder are to be redeemed. On and
after the Redemption Date, interest shall cease to accrue on Notes or portions
thereof called for redemption as long as the Issuer has deposited with the
Paying Agent funds finally collected in satisfaction of the applicable
Redemption Price.
	 
	 	(d)	 	Any redemption pursuant to this Section 6 shall be in
accordance with the procedures of Article Eleven of the Original Indenture.

	 	7.	 	Optional Redemption with Qualified Equity Proceeds. (a) At any time, or from
time to time, on or prior to July 15, 2009, the Issuer may, at its option, use
Qualified Equity Proceeds to redeem up to 35% of the original aggregate principal
amount of the Notes plus any Additional Debt Securities, in whole at any time or in
part from time to time, at a Redemption Price equal to 110.750% of the principal amount
thereof, plus accrued and unpaid interest thereon, if any, to the applicable Redemption
Date; provided that the Issuer makes such redemption not more than 90 days after the
receipt by the Issuer of such Qualified Equity Proceeds.

	 	(b)	 	A notice of redemption complying with Section 1104(a) of the
Original Indenture shall be mailed at least 30 days but not more than 60 days
before 

A-13

 

	 	 	 	the Redemption Date to each Holder whose Notes are to be redeemed at its
address as set forth in the Securities Register. Notes in denominations
greater than $2,000 may be redeemed in part but only in whole multiples of
$1,000, unless all of the Notes held by a Holder are to be redeemed. On and
after the Redemption Date, interest shall cease to accrue on Notes or
portions thereof called for redemption as long as the Issuer has deposited
with the Paying Agent funds in satisfaction of the applicable Redemption
Price.

	 	8.	 	Redemption for Changes in Applicable Withholding Taxes. The Notes of each
series are also subject to redemption in whole, but not in part, at the Issuer’s option
at any time in cash, on not less than 30 nor more than 60 days’ notice to the Holders,
at a price equal to 100% of the aggregate principal amount, together with accrued and
unpaid interest to the date fixed for redemption and all Additional Amounts then due or
becoming due on the Redemption Date, in the event the Issuer or a Guarantor is, has
become or would become obligated to pay, on the next date on which any amount would be
payable, by the Issuer or the Guarantor, as the case may be, with respect to the Notes
of such series, any Additional Amount as a result of an actual or proposed change or
amendment in the laws (including any regulations promulgated thereunder) or treaties of
any jurisdiction (including Canada or any province or territory thereof) or any change
in or new or different position regarding the application, interpretation or
administration of such laws, treaties or regulations (including a holding, judgment or
order by a court of competent jurisdiction), which change is announced or becomes
effective on or after the Issue Date and provided that the Issuer delivers to the
Trustee an Opinion of Counsel attesting to such change or amendment. For greater
certainty, the provisions of this Section 8 shall only apply to any series of Notes in
the case of a Guarantor if the Guarantee of such Guarantor has been called and such
Guarantor is required under its Guarantee to make payments of principal, interest or
premium, if any, in respect of such series of Notes.
	 
	 	9.	 	No Mandatory Redemption. The Issuer shall not be required to make mandatory
redemption payments with respect to the Notes.
	 
	 	10.	 	Offer to Repurchase. (a) If a Change of Control occurs, the Issuer shall make
a Change of Control Offer to each Holder to purchase all or any part (equal to $1,000
or an integral multiple thereof) of each Holder’s Notes at a purchase price, in cash,
equal to 101% of the aggregate principal amount thereof, plus accrued and unpaid
interest thereon, if any, up to but excluding the date of purchase (the “Change of
Control Payment”). Within 30 days following the date upon which the Change of Control
occurs, the Issuer must send, or cause the Trustee to send, by first-class mail, a
notice to each Holder, with a copy to the Trustee, which notice shall govern the terms
of the Change of Control Offer. Such notice shall state, among other things, the
purchase date (the “Change of Control Payment Date”), which must be no earlier than 30
days nor later than 60 days after the date such notice is mailed, other than as may be
required to comply with any applicable laws. Each Holder who accepts the Change of
Control Offer will be

A-14

 

	 	 	 	required to deliver the form entitled “Option of Holder to Elect Purchase” on the
reverse of this Note completed and specifying the portion (in integral multiples of
$1,000) of such Holder’s Notes that it agrees to sell to the Issuer pursuant to the
Change of Control Offer, to the Paying Agent at the address specified in the notice
prior to the close of business on the third Business Day prior to the Change of
Control Payment Date.

	 	11.	 	Denominations, Transfer, Exchange. The Notes are issued in registered form
without coupons in denominations of $2,000 and integral multiples of $1,000. The
transfer of Notes may be registered and Notes may be exchanged as provided in the
Indenture. The Registrar and the Trustee may require a Holder, among other things, to
furnish appropriate endorsements and transfer documents and the Issuer may require a
Holder to pay any taxes and fees required by law or permitted by the Indenture. The
Issuer need not exchange or register the transfer of any Note or portion of a Note
selected for redemption, except for the unredeemed portion of any Note being redeemed
in part. Also, the Issuer need not exchange or register the transfer of any Notes for
a period of 15 days before a selection of Notes to be redeemed or during the period
between a record date and the corresponding Interest Payment Date.
	 
	 	12.	 	Persons Deemed Owners. The registered Holder of a Note may be treated as its
owner for all purposes.
	 
	 	13.	 	Amendment, Supplement and Waiver. Subject to certain exceptions, the Indenture
and the Notes may be amended or supplemented with the consent of the Holders of at
least a majority in principal amount of the then-outstanding Notes and any existing
default or non-compliance with any provision of the Indenture or the Notes may be
waived with the consent of the Holders of a majority in principal amount of the
then-outstanding Notes (including any Additional Debt Securities), voting as a single
class. Without the consent of any Holder of Notes, the Indenture or the Notes may be
amended or supplemented to the extent permitted under Section 901 of the Original
Indenture.
	 
	 	14.	 	Defaults and Remedies. (a) This Note shall be subject to the following Events
of Default: (i) the failure to pay the principal of the Notes when such principal
becomes due and payable, whether at Maturity, upon redemption or otherwise; (ii) the
failure to pay interest on the Notes when the same becomes due and payable and the
Default continues for a continuous period of 30 days; (iii) a Default by NNC, the
Issuer, or during any period in which NNI is a Guarantor, NNI, in the performance or
observance of any of their respective covenants, agreements or other obligations set
forth in the Original Indenture for a continuous period of 90 days after the Issuer or
such Guarantor receives written notice specifying the Default (and demanding that such
Default be remedied) from the Holders of at least 25% of the outstanding principal
amount of the Notes (including any Additional Debt Securities); (iv) a decree, judgment
or order by a court having jurisdiction in the premises shall have been entered
adjudging the Issuer or any Guarantor a bankrupt or insolvent or approving as properly
filed a petition

A-15

 

	 	 	 	seeking reorganization, readjustment, arrangement, composition or similar relief for
the Issuer or any Guarantor under any bankruptcy, insolvency or other similar
applicable law and such decree, judgment or order of a court having jurisdiction in
the premises for the appointment of a receiver or liquidator or trustee or assignee
in bankruptcy or insolvency of the Issuer or such Guarantor, as the case may be, of
a substantial part of its property, or for the winding up or liquidation of its
affairs, shall have remained in force for a period of 60 consecutive days; or any
substantial part of the property of the Issuer or such Guarantor shall be
sequestered or attached and shall not be returned to the possession of the Issuer or
such Guarantor or released from such attachment whether by filing of a bond, or stay
or otherwise within 60 consecutive days thereafter; (v) the Issuer or any Guarantor
shall institute proceedings to be adjudicated a voluntary bankrupt, or shall consent
to the filing of a bankruptcy proceeding against it, or shall file a petition or
answer or consent seeking reorganization, readjustment, arrangement, composition or
similar relief under any bankruptcy, insolvency or other similar applicable law or
the Issuer or such Guarantor shall consent to the filing of any such petition, or
shall consent to the appointment of a receiver or liquidator or trustee or assignee
in bankruptcy or insolvency for it or of a substantial part of its property, or
shall make an assignment for the benefit of creditors, or shall be unable, or admit
in writing its inability, to pay its debts generally as they become due, or
corporate action shall be taken by the Issuer or such Guarantor in furtherance of
any of the aforesaid actions; (vi) a Default by NNC, the Issuer or, during any
period in which NNI is a Guarantor, NNI, under a single obligation in respect of
Funded Debt that exceeds on its face $100,000,000 in principal amount which results
in such Funded Debt becoming or being declared due and payable prior to the date on
which it would otherwise become due and payable and such acceleration shall not be
rescinded or annulled within 10 days after written notice (i) specifying such
Default, and (ii) stating that such notice is a “Notice of Default” hereunder, shall
have been given to such defaulting entity by Holders of at least 25% of the
outstanding principal amount of the Notes; (vii) any Guarantee ceases to be in full
force and effect (other than in accordance with the terms of the Original Indenture)
or any Guarantor denies or disaffirms its obligations under its Guarantee; (viii) a
failure by the Issuer to make a Change of Control Offer; and (ix) one or more
judgments in an aggregate amount in excess of $100,000,000 shall have been rendered
against the Issuer, NNC or, during any period in which NNI is Guarantor, NNI, and
such judgments remain undischarged, unpaid in accordance with its or their
respective terms or unstayed for a period of 90 days after such judgment or
judgments become final and non-appealable.

	 	(b)	 	If any Event of Default occurs and is continuing, the Trustee
or the Holders of at least 25% in principal amount of the Outstanding Notes
(including any Additional Debt Securities) may declare the principal amount of,
premium, if any, and any accrued and unpaid interest, including Additional
Interest, if any, on all the Notes (including any Additional Debt Securities)
to be due and payable immediately, by a notice in writing to the Issuer and the
Guarantors, and to the Trustee if given by the Holders, and upon any such
declaration such principal

A-16

 

	 	 	 	amount, together with accrued interest thereon shall become immediately due
and payable.

	 	(c)	 	Holders of the Notes may not enforce the Indenture or the Notes
except as provided in the Indenture. The Trustee may refuse to enforce the
Indenture or the Notes unless it receives reasonable indemnity or security.
Subject to certain limitations, Holders of a majority in principal amount of
the Outstanding Notes may direct the Trustee in its exercise of any trust or
power. The Trustee may withhold from Holders notice of any continuing Default
or Event of Default (except a Default or Event of Default in payment of
principal or interest) if it determines that withholding notice is in their
interest.

	 	15.	 	Defeasance. The Issuer and/or the Guarantors may defease and be discharged
from any and all obligations with respect to this Note or the Guarantees, as
applicable, or be released from its obligations with respect to certain covenants
applicable to this Note in accordance with the terms of the Indenture.
	 
	 	16.	 	No Recourse Against Others. A director, officer, employee, incorporator or
stockholder of the Issuer, as such, shall not have any liability for any obligations of
the Issuer under the Notes or the Indenture or for any claim based on, in respect of,
or by reason of, such obligations or their creation. Each Holder by accepting a Note
waives and releases all such liability. The waiver and release are part of the
consideration for the issuance of the Notes.
	 
	 	17.	 	Authentication. This Note shall not be valid until authenticated by the manual
signature of the Trustee or an authenticating agent.
	 
	 	18.	 	Abbreviations. Customary abbreviations may be used in the name of a Holder or
an assignee, such as: TEN COM (= tenants in common), TEN ENT (= tenants by the
entireties), JT TEN (= joint tenants with right of survivorship and not as tenants in
common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts to Minors Act).
	 
	 	19.	 	CUSIP Numbers. Pursuant to a recommendation promulgated by the Committee on
Uniform Security Identification Procedures, the Issuer has caused CUSIP numbers to be
printed on the Notes and the Trustee may use CUSIP numbers in notices of redemption as
a convenience to Holders. No representation is made as to the accuracy of such numbers
either as printed on the Notes or as contained in any notice of redemption and reliance
may be placed only on the other identification numbers placed thereon.
	 
	 	20.	 	Governing Law. This Note shall be governed by, and construed in accordance
with, the law of the State of New York, but without giving effect to applicable
principles of conflicts of law to the extent that the application of the law of another
jurisdiction would be required thereby.

A-17

 

	 	21.	 	Submission to Jurisdiction; Waiver of Immunities. The Issuer and the
Guarantors have agreed that any suit, action or proceeding against the Issuer or the
Guarantors brought by any Holder or the Trustee arising out of or based upon the
Indenture, the Notes or the Guarantees may be instituted in any state or federal court
in the Borough of Manhattan, The City of New York, New York, United States, and any
appellate court from any thereof. The Issuer and the Guarantors have irrevocably
submitted to the non-exclusive jurisdiction of such courts for such purpose and waived,
to the fullest extent permitted by law, trial by jury and any objection any of them may
now or hereafter have to the laying of venue of any such proceeding, and any claim any
of them may now or hereafter have that any proceeding in any such court is brought in
an inconvenient forum.

The Issuer shall furnish to any Holder upon written request and without charge a copy of the
Indenture. Requests may be made to: Nortel Networks Limited, 195 The West Mall, Toronto, Ontario,
Canada M9C 5K1, Attention: Corporate Secretary.

A-18

 

Assignment Form

To assign this Note, fill in the form below:

	 	 	 	 	 
	(I) or (we) assign and transfer this Note to:

	 	 	 	 
	 

	 	 	 	 
	 

	 	(Insert assignee’s legal name)	 	 

(Insert assignee’s soc. sec. or tax I.D. no.)

(Print or type assignee’s name, address and zip code)

and irrevocably appoint                                                              , as agent, to transfer this Note on the books
of the
Issuer. The agent may substitute another to act for him.

Date:                                        

	 	 	 	 	 	 	 
	 

	 	Your Signature:
	 	 	 	 
	 

	 	 	 	 	 	 

(Sign exactly as your name appears on

the face of this Note)

Signature Guarantee:                                        

A-19

 

Option of Holder to Elect Purchase upon a Change of Control

If you want to elect to have this Note purchased by the Issuer pursuant to Section 10 of the terms
set forth on the reverse of this Note (the “Terms”), check the appropriate box below:

[   ] The undersigned Holder hereby elects to have the Issuer purchase its Note pursuant to Section
10 of the Terms.

If you want to elect to have only part of this Note purchased by the Issuer pursuant to Section 10
of the Terms, state the amount you elect to have purchased:

$                                        

Date:                                        

	 	 	 	 	 	 	 
	 

	 	Your Signature:
	 	 	 	 
	 

	 	 	 	 	 	 

(Sign exactly as your name appears on
the face of this Note)

	 	 	 	 	 	 	 
	 

	 	Tax Identification No.:
	 	 	 	 
	 

	 	 	 	 	 	 

Signature Guarantee:                                        

A-20

 

SCHEDULE OF EXCHANGES OF INTERESTS IN THE GLOBAL SECURITY*

The following exchanges of a part of this Global Security for an interest in another Global
Security or for a Certificated Security, or exchanges of a part of another Global Security or
Certificated Security for an interest in this Global Security, have been made:

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 	 	Principal Amount	 	 	 	 
	 	 	Amount of	 	 	Amount of	 	 	of this Global	 	 	Signature of	 
	 	 	decrease in	 	 	increase in	 	 	Security	 	 	authorized officer	 
	 	 	Principal Amount	 	 	Principal Amount	 	 	following such	 	 	of	 
	 	 	of this	 	 	of this	 	 	decrease	 	 	Trustee or	 
	Date of Exchange	 	Global Security	 	 	Global Security	 	 	(or increase)	 	 	Note Custodian	 
	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 

 

			
	*	 	This schedule should be included only if the Note is issued in global form.

A-21

 

EXHIBIT B

FORM OF REGULATION S/RULE 144 CERTIFICATE

(For transfers pursuant to Section 308(a) of the Original Indenture of Additional

2016 Fixed Rated Notes that are Restricted Debt Securities)

The Bank of New York,

as Trustee

101 Barclay St., 4 East

New York, New York 10286

Attention: Corporate Trust Administration

	 	 	 	 	 
	 

	 	Re:
	 	10.75% Senior Notes due 2016

of Nortel Networks Limited

(the “Debt Securities”)

     Reference is made to the indenture dated as of July 5, 2006 (the “Original Indenture,” and, as
supplemented by the First Supplemental Indenture dated as of July 5, 2006, the Second Supplemental
Indenture dated as of May 1, 2007 and the Third Supplemental Indenture dated as of May 28, 2008, in
each case, among NNL, NNC, NNI and the Trustee, the “Indenture”) among Nortel Networks Limited
(together with any successors, “NNL” or the “Issuer”), Nortel Networks Corporation (together with
any successors, “NNC”) and Nortel Networks Inc. (together with any successors, “NNI” and, together
with NNC, the “Guarantors”), and The Bank of New York, as trustee (the “Trustee”). Terms used
herein and defined in the Indenture or in Regulation S or Rule 144 under the U.S. Securities Act of
1933, as amended (the “Securities Act”), are used herein as so defined.

     This certificate relates to U.S. $                     principal amount of Debt Securities, which are
evidenced by the following certificate(s) (the “Specified Debt Securities”):

	 	 	 	 	 
	CUSIP No(s).

	 	 
	 	 
	 

	 	 	 	 

	 	 	 	 	 
	CERTIFICATE No(s).

	 	 
	 	 
	 

	 	 	 	 

     The person in whose name this certificate is executed below (the “Undersigned”) hereby
certifies that either (i) it is the sole beneficial owner of the Specified Debt Securities or (ii)
it is acting on behalf of all the beneficial owners of the Specified Debt Securities and is duly
authorized by them to do so. Such beneficial owner or owners are referred to herein collectively
as the “Owner.” If the Specified Debt Securities are represented by a Global Security, they are
held through the Depositary or a Participant in the name of the Undersigned, as or on behalf of the
Owner. If the Specified Debt Securities are not represented by a Global Security, they are
registered in the name of the Undersigned, as or on behalf of the Owner.

     The Owner has requested that the Specified Debt Securities be transferred to a Person (the
“Transferee”) who will take delivery in the form of a Regulation S Debt Security. In connection
with such transfer, the Owner hereby certifies that, unless such transfer is being effected
pursuant to an effective registration statement under the Securities Act, it is being

B-1

 

effected in accordance with Rule 904 or Rule 144 under the Securities Act and with all
applicable securities laws of the states of the United States and other jurisdictions.
Accordingly, the Owner hereby further certifies as follows:

     (a) Rule 904 Transfers. If the transfer is being effected in accordance with Rule 904:

	 	(i)	 	the Owner is not a distributor of the Debt Securities, an
Affiliate of the Company or any Guarantor or any such distributor or a Person
acting on behalf of any of the foregoing;
	 
	 	(ii)	 	the offer of the Specified Debt Securities was not made to a
Person in the United States;
	 
	 	(iii)	 	either:

	 	(1)	 	at the time the buy order was originated, the
Transferee was outside the United States or the Owner and any Person
acting on its behalf reasonably believed that the Transferee was
outside the United States, or
	 
	 	(2)	 	the transaction is being executed in, on or
through the facilities of the Eurobond market, as regulated by the
Association of International Bond Dealers, or another designated
offshore securities market and neither the Owner nor any Person acting
on its behalf knows that the transaction has been prearranged with a
buyer in the United States;

	 	(iv)	 	no directed selling efforts have been made in the United States
by or on behalf of the Owner or any Affiliate thereof;
	 
	 	(v)	 	if the Owner is a dealer in securities or has received a
selling concession, fee or other remuneration in respect of the Specified Debt
Securities, and the transfer is to occur during the Restricted Period, then the
requirements of Rule 904(c)(1) have been satisfied; and
	 
	 	(vi)	 	the transaction is not part of a plan or scheme to evade the
registration requirements of the Securities Act.

     (b) Rule 144 Transfers. If the transfer is being effected pursuant to Rule 144, the transfer
is occurring after a holding period of at least six months (computed in accordance with paragraph
(d) of Rule 144) has elapsed since the Specified Debt Securities were last acquired from the
Company or a Guarantor or from an Affiliate of the Company or a Guarantor, whichever is later, the
Company or a Guarantor is, and has been for a period of at least 90 days immediately before such
transfer, subject to the reporting requirements of Section 13 or 15(d) of the Exchange Act and has
filed all required reports thereunder in accordance with Rule 144(c)(1) and the Owner is not, and
during the preceding three months, has not been, an Affiliate of the Company or Guarantor.

B-2

 

     This certificate and the statements contained herein are made for your benefit and the benefit
of the Issuer, the Guarantors and the Initial Purchasers of the Debt Securities.

	 	 	 
	Dated:
	 	 
	 

	 	 
	 

	 	(Print the name of the Undersigned,

as such term is defined in the

third paragraph of this certificate.)
	 
	 	 
	 

	 	By:
	 

	 	Name:
	 

	 	Title:
	 

	 	(If the Undersigned is a corporation, partnership or
fiduciary, the title of the person signing on behalf of
the Undersigned must be stated.)

B-3

 

EXHIBIT C

FORM OF TRANSFER CERTIFICATE FOR TRANSFER OF INTERESTS IN

REGULATION S DEBT SECURITIES TO QIBS DURING RESTRICTED PERIOD

(For transfers pursuant to Section 308(f) of the Original Indenture, as supplemented by the Third
Supplemental Indenture, of Additional 2016 Fixed Rated Notes that are Regulation S Debt Securities
during the Restricted Period)

The Bank of New York,

as Trustee

101 Barclay St., 4 East

New York, New York 10286

Attention: Corporate Trust Administration

	 	 	 	 	 
	 

	 	Re:
	 	10.75% Senior Notes due 2016

of Nortel Networks Limited

(the “Debt Securities”)

     Reference is made to the indenture dated as of July 5, 2006 (the “Original Indenture,” and, as
supplemented by the First Supplemental Indenture dated as of July 5, 2006, the Second Supplemental
Indenture dated as of May 1, 2007 and the Third Supplemental Indenture dated as of May 28, 2008, in
each case, among NNL, NNC, NNI and the Trustee, the “Indenture”) among Nortel Networks Limited
(together with any successors, “NNL” or the “Issuer”), Nortel Networks Corporation (together with
any successors, “NNC”) and Nortel Networks Inc. (together with any successors, “NNI” and, together
with NNC, the “Guarantors”), and The Bank of New York, as trustee (the “Trustee”). Terms used
herein and defined in the Indenture or in Regulation S or Rule 144 under the U.S. Securities Act of
1933, as amended (the “Securities Act”), are used herein as so defined.

     This certificate relates to U.S. $                     principal amount of Debt Securities, which are
evidenced by the following certificate(s) (the “Specified Debt Securities”):

	 	 	 	 	 
	CUSIP No(s).

	 	 
	 	 
	 

	 	 	 	 

	 	 	 	 	 
	CERTIFICATE No(s).

	 	 
	 	 
	 

	 	 	 	 

     The person in whose name this certificate is executed below (the “Undersigned”) hereby
certifies that either (i) it is the sole beneficial owner of the Specified Debt Securities or (ii)
it is acting on behalf of all the beneficial owners of the Specified Debt Securities and is duly
authorized by them to do so. Such beneficial owner or owners are referred to herein collectively
as the “Owner.” The Specified Debt Securities are represented by a Global Security and are held
through the Depositary or a Participant in the name of the Undersigned, as or on behalf of the
Owner.

     The Owner has requested that the Specified Debt Securities be transferred to a Person (the
“Transferee”) who will take delivery in the form of a Rule 144A Global Security. In connection
with such transfer, the Owner hereby certifies that, unless such transfer is being

C-1

 

effected pursuant to an effective registration statement under the Securities Act, it is being
effected in accordance with Rule 144A under the Securities Act and with all applicable securities
laws of the states of the United States and other jurisdictions. Accordingly, the Owner hereby
further certifies that at the time the buy order was originated:

	 	(a)	 	the Transferee was purchasing the Debt Securities for its own
account or the account of a QIB, in a transaction meeting the requirements of
Rule 144A, and
	 
	 	(b)	 	the Owner and any Person acting on its behalf reasonably
believed that, the Transferee, as well as any such account, is a “qualified
institutional buyer” within the meaning of Rule 144A.

     This certificate and the statements contained herein are made for your benefit and the benefit
of the Issuer, the Guarantors and the Initial Purchasers of the Debt Securities.

	 	 	 
	Dated:
	 	 
	 

	 	 
	 

	 	(Print the name of the Undersigned,

as such term is defined in the

third paragraph of this certificate.)
	 
	 	 
	 

	 	By:
	 

	 	Name:
	 

	 	Title:
	 

	 	(If the Undersigned is a corporation, partnership or fiduciary, the title of the person signing on
behalf of the Undersigned must be stated.)

C-2

 

EXHIBIT D-1

FORM OF NON-U.S. BENEFICIAL OWNERSHIP CERTIFICATION BY EUROCLEAR

OR CLEARSTREAM LUXEMBOURG

	 	 	 
	 
	 	[Date]

[Depositary of [Euroclear][Clearstream Luxembourg]]

The Bank of New York

101 Barclay Street, Floor 4 East

New York, New York 10286

Attention: Corporate Trust Administration]

	 	 	 	 	 
	 

	 	Re:
	 	10.750% Senior Notes due 2016

of Nortel Networks Limited

(the “Debt Securities”)

     This is to certify with respect to $___[principal amount] of the Debt Securities that,
except as set forth below, we have received in writing, by tested telex or by electronic
transmission, from member organizations appearing in our records as persons being entitled to a
portion of such [principal amount] (our “Member Organizations”) certifications with respect to such
portion, substantially to the effect set forth in Exhibit D-2 to the Third Supplemental Indenture
relating to the Debt Securities.

     We further certify:

	 	(a)	 	that we are not making available herewith for exchange (or, if
relevant, exercise of any rights or collection of any interest) any portion of
the Regulation S Temporary Global Security excepted in such certifications; and
	 
	 	(b)	 	that as of the date hereof we have not received any
notification from any of our Member Organizations to the effect that the
statements made by such Member Organizations with respect to any portion of the
part submitted herewith for exchange (or, if relevant, exercise of any rights
or collection of any interest) are no longer true and cannot be relied upon as
of the date hereof.

     We understand that this certification is required in connection with certain securities laws
of the United States. In connection therewith, if administrative or legal proceedings are
commenced or threatened in connection with which this certification is or would be relevant, we
irrevocably authorize you, Nortel Networks Limited, Nortel Networks Corporation or Nortel Networks
Inc. to produce this certification to any interested party in such proceedings.

D-I-1

 

	 	 	 
	Dated:
	 	 
	 
	 	 
	 

	 	Yours faithfully,
	 

	 	[Euroclear][Clearstream Luxembourg]
	 
	 	 
	By                                         
	 	 

D-I-2

 

EXHIBIT D-2

FORM OF NON-U.S. BENEFICIAL OWNERSHIP CERTIFICATION

BY MEMBER ORGANIZATION

	 	 	 
	 
	 	[Date]

[Euroclear or Clearstream Luxembourg, as applicable]

	 	 	 	 	 
	 

	 	Re:
	 	10.750% Senior Notes due 2016

of Nortel Networks Limited

(the “Debt Securities”)

     This is to certify that as of the date hereof, and except as set forth below, the Debt
Securities held by you for our account are beneficially owned by (a) non-U.S. person(s) or (b) U.S.
person(s) who purchased the Debt Securities in transactions which did not require registration
under the Securities Act of 1933, as amended (the “Securities Act”). As used in this
paragraph the term “U.S. person” has the meaning given to it by Regulation S under the Securities
Act.

     We undertake to advise you promptly by tested telex on or prior to the date on which you
intend to submit your certification relating to the Debt Securities held by you for our account in
accordance with your operating procedures if any applicable statement herein is not correct on such
date, and in the absence of any such notification it may be assumed that this certification applies
as of such date.

     This certification excepts and does not relate to $                     of such interest in the above Debt
Securities in respect of which we are not able to certify and as to which we understand exchange
and delivery of a Regulation S Permanent Global Security (or, if relevant, exercise of any rights
or collection of any interest) cannot be made until we do so certify.

     We understand that this certification is required in connection with certain securities laws
of the United States. In connection therewith, if administrative or legal proceedings are
commenced or threatened in which this certification is or would be relevant, we irrevocably
authorize you, Nortel Networks Limited, Nortel Networks Corporation or Nortel Networks Inc. or the
Trustee or Security Registrar for the Debt Securities to produce this certification to any
interested party in such proceedings.

     Date:           . (Not earlier than 15 days prior to the end of the Restricted Period).

	 	 	 	 	 
	By:

	 	 	 	 
	 

	 	 	 	 
	 

	 	[Agent Member]	 	 
	 
	 	 	 	 
	 

	 	As Beneficial Owner(s), or as agent for, the
Beneficial Owner(s) of the Debt Securities
to which this certificate relates.	 	 

D-2-1

 

EXHIBIT E

FORM OF OFFICERS’ CERTIFICATE

NORTEL NETWORKS LIMITED

OFFICERS’ CERTIFICATE

July 7, 2008

          Reference is made to (i) that certain indenture dated as of July 5, 2006 (the “Original
Indenture” and, as supplemented by the First Supplemental Indenture dated as of July 5, 2006,
the Second Supplemental Indenture dated May 1, 2007 and the Third Supplemental Indenture (as
defined below), the “Indenture”), among Nortel Networks Limited (the
“Corporation”), a Canadian corporation, Nortel Networks Corporation (“NNC”), a
Canadian corporation, Nortel Networks Inc. (“NNI” and, together with NNC, the
“Guarantors”), a Delaware corporation, and The Bank of New York, as Trustee and (ii) that
certain third supplemental indenture dated as of May 28, 2008 (the “Third Supplemental
Indenture”) among the Corporation, the Guarantors and The Bank of New York, as Trustee.
Capitalized terms used herein and not defined shall have the meanings ascribed to them in the
Indenture. The undersigned officers of the Corporation, to the best of their knowledge after
reasonable investigation, hereby state on behalf of the Corporation, in accordance with Section
4(b) of the Third Supplemental Indenture, that:

          (i) in accordance with Rule 903(b)(3)(ii)(B) of Regulation S, the 40-day distribution
compliance period for the Additional 2016 Fixed Rate Notes that are Regulation S Debt Securities
issued under the Original Indenture and the Third Supplemental Indenture has terminated; and

          (ii) the Regulation S Temporary Global Security Legend described in Section 5(c) of the Third
Supplemental Indenture and set forth on the Regulation S Temporary Global Security shall be deemed
removed from such Regulation S Temporary Global Security, in accordance with the terms and
conditions of such Regulation S Temporary Global Security and as provided in the Third Supplemental
Indenture, without further action on the part of Holders other than as set forth in Section
4(b)(ii)(A) of the Third Supplemental Indenture, following which beneficial interests in the
Regulation S Temporary Global Security shall automatically be deemed exchanged for beneficial
interests in the Regulation S Permanent Global Security pursuant to the rules and procedures of the
Depositary.

[Remainder of page intentionally left blank]

E-1

 

          IN WITNESS WHEREOF, the undersigned have hereunto set their hands on the date first above
written.

	 	 	 	 	 
	 	NORTEL NETWORKS LIMITED

 	 
	 	By:  	 	 
	 	 	Name:  	Michael W. McCorkle 	 
	 	 	Title:  	Treasurer 	 
	 

	 	 	 	 	 
	 	 	 
	 	By:  	
 	 
	 	 	Name:  	Gordon A. Davies 	 
	 	 	Title:  	Deputy General Counsel and
Corporate Secretary 	 
	 

E-2

 

EXHIBIT F

FORM OF FREE TRANSFERABILITY CERTIFICATE

Dear Sir/Madam:

     In accordance with Section 6 of the Third Supplemental Indenture dated as of May 28,
2008 (the “Third Supplemental Indenture”) to the indenture dated as of July 5, 2006 among
Nortel Networks Limited (the “Company”), Nortel Networks Corporation (“NNC”) and Nortel
Networks Inc. (“NNI”), and The Bank of New York, as Trustee (the “Trustee”), as supplemented
by the First Supplemental Indenture dated as of July 5, 2006 among the Company, NNC, NNI and
the Trustee, the Second Supplemental Indenture dated as of May 1, 2007, among the Company,
NNC, NNI and the Trustee, and the Third Supplemental Indenture, the “Indenture”), pursuant
to which the additional 10.750% Senior Notes due 2016 (the “Additional Debt Securities”)
were issued, we hereby instruct you that:

(1) the restrictive legends described in Section 5(b) of the Third Supplemental
Indenture and set forth on the Additional Debt Securities that are Restricted Debt
Securities shall be deemed removed from the Additional Debt Securities, in
accordance with the terms and conditions of such Additional Debt Securities and as
provided in the Third Supplemental Indenture, without further action on the part of
Holders; and

(2) the restricted CUSIP number for the Additional Debt Securities shall be deemed
removed from such Restricted Debt Securities and replaced with an unrestricted CUSIP
number set forth therein, in accordance with the terms and conditions of the
Additional Debt Securities and as provided in the Third Supplemental Indenture,
without further action on the part of Holders.

     Capitalized terms used but not defined herein shall have the meanings set forth in the
Indenture.

	 	 	 	 	 
	 	Very truly yours,

Nortel Networks Limited

 	 
	 	By:  	 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 
	 

	 	 	 	 	 
	 	 	 
	 	By:  	
 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 
	 

E-3

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