Document:

ex4-1

    

      EXHIBIT
        4.1

    

    

    

    IRON
      MOUNTAIN NOVA SCOTIA FUNDING COMPANY

    

    IRON
      MOUNTAIN INCORPORATED AND THE

    OTHER
      GUARANTORS NAMED HEREIN

    

    AND

    

    THE
      BANK
      OF NEW YORK TRUST COMPANY, N.A.,

    as
      Trustee

    

    

    71⁄2
%
      Senior Subordinated Notes due 2017

    

    

    SIXTH
      SUPPLEMENTAL INDENTURE

    

    

    Dated
      as
      of March 15, 2007

    

    

    TO

    

    

    SENIOR
      SUBORDINATED INDENTURE

    

    

    Dated
      as
      of December 30, 2002

    

    

    

    

    

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    TABLE
      OF
      CONTENTS

     

    
      	 	

              Page

            
	
              ARTICLE 1. DEFINITIONS

            	
              1

            
	
              Section 1.1.

            	
              Definitions

            	
              1

            
	
              ARTICLE 2. FORM AND TERMS OF THE
                NOTES

            	
              18

            
	
              Section 2.1.

            	
              Form and Dating

            	
              18

            
	
              (a)

            	
              General

            	
              18

            
	
              (b)

            	
              Global Note

            	
              18

            
	
              (c)

            	
              Book-Entry Provisions

            	
              19

            
	
              (d)

            	
              Definitive Notes

            	
              19

            
	
              Section 2.2.

            	
              Execution and Authentication.

            	
              19

            
	
              Section 2.3.

            	
              Depository, Paying Agent and Sub-Paying
                Agent for Notes.

            	
              19

            
	
              Section 2.4.

            	
              Transfer and Exchange of Notes

            	
              20

            
	
              (a)

            	
              Transfer and Exchange of Global
                Notes

            	
              20

            
	
              (b)

            	
              Transfer and Exchange of Beneficial
                Interests in the Global Notes

            	
              20

            
	
              (c)

            	
              Transfer or Exchange of Beneficial
                Interests for Definitive Notes

            	
              22

            
	
              (d)

            	
              Transfer and Exchange of Definitive
                Notes
                for Beneficial Interests

            	
              24

            
	
              (e)

            	
              Transfer and Exchange of Definitive
                Notes
                for Definitive Notes

            	
              26

            
	
              (f)

            	
              Exchange Offer

            	
              27

            
	
              (g)

            	
              Legends

            	
              28

            
	
              (h)

            	
              Authentication of Definitive Notes
                in
                Absence of Depository

            	
              29

            
	
              (i)

            	
              Cancellation and/or Adjustment of
                Global
                Notes

            	
              30

            
	
              (j)

            	
              General Provisions Relating to Transfers
                and Exchanges

            	
              30

            
	
              Section 2.5.

            	
              Redemption

            	
              31

            
	
              Section 2.6.

            	
              Additional Covenants

            	
              34

            
	
              (a)

            	
              Restricted Payments

            	
              34

            
	
              (b)

            	
              Incurrence of Indebtedness and Issuance
                of Preferred Stock

            	
              37

            
	
              (c)

            	
              Liens

            	
              38

            
	
              (d)

            	
              Dividend and Other Payment Restrictions
                Affecting Restricted Subsidiaries

            	
              38

            
	
              (e)

            	
              Transactions with Affiliates

            	
              40

            
	
              (f)

            	
              Certain Senior Subordinated Debt

            	
              41

            
	
              (g)

            	
              Additional Subsidiary Guarantees

            	
              41

            
	
              (h)

            	
              Designation of Unrestricted
                Subsidiaries

            	
              42

            
	
              (i)

            	
              Limitation on Sale and Leaseback
                Transactions

            	
              43

            
	
              (j)

            	
              Asset Sales

            	
              43

            
	
              (k)

            	
              Change of Control Offer

            	
              45

            
	
              (l)

            	
              Changes in Covenants When Notes Rated
                Investment Grade

            	
              47

            
	
              (m)

            	
              Additional Tax Amounts

            	
              47

            
	
              (n)

            	
              Release of Company and Subsidiary
                Guarantees and Guarantors

            	
              49

            
	
              Section 2.7.

            	
              Replacement of Certain References
                in the
                Indenture.

            	
              50

            
	
              Section 2.8.

            	
              Provisions Regarding Incorporation
                by
                Reference of Trust Indenture Act.

            	
              50

            
	
              Section 2.9.

            	
              Amend, Restate and Replace Provision
                Regarding Payment of Principal and Interest.

            	
              50

            
	
              Section 2.10.

            	
              Provisions Regarding Successors.

            	
              51

            
	
              Section 2.11.

            	
              Events of Default.

            	
              51

            
	
              Section 2.12.

            	
              Acceleration of Maturity.

            	
              52

            
	
              Section 2.13.

            	
              Waiver of Past Defaults.

            	
              53

            
	
              Section 2.14.

            	
              Legal Defeasance and Covenant
                Defeasance.

            	
              53

            
	
              (a)

            	
              Ability to Effect Legal Defeasance
                or
                Covenant Defeasance

            	
              53

            

       

      
        
          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

       

       

      	
              (b)

            	
              Amend, Restate and Replace Covenant
                Regarding Legal Defeasance and Discharge

            	
              53

            
	
              (c)

            	
              Amend, Restate and Replace Covenant
                Regarding Deposit

            	
              54

            
	
              (d)

            	
              Delivery of an Opinion of Canadian
                Counsel

            	
              54

            
	
              Section 2.15.

            	
              Subordination.

            	
              55

            
	
              Section 2.16.

            	
              Amend, Restate and Replace Provision
                Regarding Amendment with the Consent of the Holders of the Notes.

            	
              55

            
	
              Section 2.17.

            	
              Amend, Restate and Replace Provision
                Regarding Limitations on Amendment or Waiver.

            	
              55

            
	
              Section 2.18.

            	
              Amend, Restate and Replace Provision
                Regarding Personal Liability.

            	
              56

            
	
              Section 2.19.

            	
              Note Guarantees.

            	
              56

            
	
              Section 2.20.

            	
              Provisions Regarding Subsidiary
                Guarantees and Limitation of Guarantor’s Liability.

            	
              56

            
	
              Section 2.21.

            	
              Provisions Regarding Agreement to
                Subordinate.

            	
              56

            
	
              Section 2.22.

            	
              Provisions Regarding Subordination
                of
                Note Guarantees.

            	
              57

            
	
              ARTICLE 3. MISCELLANEOUS

            	
              57

            
	
              Section 3.1.

            	
              Effect of Headings

            	
              57

            
	
              Section 3.2.

            	
              Successors and Assigns.

            	
              57

            
	
              Section 3.3.

            	
              Separability Clause.

            	
              57

            
	
              Section 3.4.

            	
              Governing Law.

            	
              57

            
	
              Section 3.5.

            	
              Sixth Supplement to Supersede
                Indenture.

            	
              58

            

    EXHIBITS

    Exhibit
      A FORM
      OF
      NOTE

    Exhibit
      B FORM
      OF
      CERTIFICATE OF TRANSFER

    Exhibit
      C FORM
      OF
      CERTIFICATE OF EXCHANGE

    Exhibit
      D FORM
      OF
      CERTIFICATE FROM ACQUIRING INSTITUTIONAL INVESTOR

    Exhibit
      E FORM
      OF
      SUPPLEMENTAL INDENTURE TO BE DELIVERED BY FUTURE  GUARANTORS

    

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    THIS
      SIXTH SUPPLEMENTAL INDENTURE, dated as of March 15, 2007 (“Sixth
      Supplemental Indenture”),
      is by
      and between IRON MOUNTAIN NOVA SCOTIA FUNDING COMPANY, a Nova Scotia unlimited
      liability company (the “Issuer”),
      having its principal office at 745 Atlantic Avenue, Boston, Massachusetts 02111,
      the Guarantors signatory hereto, and THE BANK OF NEW YORK TRUST COMPANY, N.A.,
      a
      national banking association, as trustee (the “Trustee”),
      having its principal corporate trust office at 222 Berkeley Street,
      2nd
      Floor,
      Boston, MA 02116.

     

    WITNESSETH:

     

    WHEREAS,
      Iron Mountain Incorporated (the “Company”)
      and
      the Trustee, as successor trustee, are parties to that certain Senior
      Subordinated Indenture, dated as of December 30, 2002 (the “Indenture”),
      to
      provide for the issuance by the Company from time to time of Securities to
      be
      issued in one or more series as provided in the Indenture;

     

    WHEREAS,
      the Issuer desires to issue and sell C$175,000,000 aggregate principal amount
      of
      a series of the Issuer’s Securities (the “Notes”)
      on the
      date hereof;

     

    WHEREAS,
      the Issuer desires to enter into this Sixth Supplemental Indenture pursuant
      to
      Section 9.1(d) of the Indenture to supplement the Indenture to establish the
      form and terms of the Notes; and

     

    NOW,
      THEREFORE, for and in consideration of the premises stated herein and the
      purchase of the Notes by the Holders thereof, the parties hereto hereby enter
      into this Sixth Supplemental Indenture, for the equal and proportionate benefit
      of all Holders of Notes, as follows:

     

    ARTICLE
      1.

     

    DEFINITIONS

     

    Section
      1.1. Definitions

     

    (a) All
      of the terms used in this Sixth Supplemental Indenture that are defined in
      the
      Indenture shall have the meanings specified in the Indenture, unless otherwise
      defined herein (in which case they shall have the meanings defined herein for
      the purposes of the Indenture as well as for the Sixth Supplemental Indenture)
      or unless the context otherwise requires, and for the purposes of this Sixth
      Supplemental Indenture, the following terms have the meanings set forth in
      this
      Section:

     

    “144A
      Global Note”
      means a
      Global Note substantially in the form of Exhibit A hereto bearing the Global
      Note Legend and the Private Placement Legend and deposited with or on behalf
      of,
      and registered in the name of, the Depository or its nominee that will be issued
      in a denomination equal to the outstanding principal amount of the Notes sold
      in
      reliance on Rule 144A.

     

    “Acquired
      Debt”
means,
      with respect to any specified Person: 

     

    
      	 	
              (1)

            	
              Indebtedness
                of any other Person, existing at the time such other Person merged
                with or
                into or became a Subsidiary of such specified Person, including
                Indebtedness incurred in connection with, or in contemplation of,
                such
                other Person merging with or into or becoming a Subsidiary of such
                specified Person; and 

            

    

     

    
      	 	
              (2)

            	
              Indebtedness
                encumbering any asset acquired by such specified Person.
                

            

    

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    “Acquisition
      EBITDA”
means,
      as of any date of determination, with respect to an Acquisition EBITDA Entity,
      the sum of: 

     

    
      	 	
              (1)

            	
              EBITDA
                of such Acquisition EBITDA Entity for the most recently ended four
                full
                fiscal quarters for which internal financial statements are available
                at
                such date of determination (adjusted to give pro forma effect to
                any
                acquisition or disposition of a business or Person by such Acquisition
                EBITDA Entity consummated during the period covered by, or after
                the date
                of, such four full fiscal quarters or if statements are not available
                for
                such four full fiscal quarters, EBITDA for the most recently ended
                fiscal
                quarter for which internal financial statements are available,
                annualized), plus 

            

    

     

    
      	 	
              (2)

            	
              projected
                quantifiable improvements in operating results (on an annualized
                basis)
                due to cost reductions calculated in good faith by the Company or
                one of
                its Restricted Subsidiaries, as certified by an Officers’ Certificate
                filed with the Trustee, without giving effect to any operating losses
                of
                the acquired Person. 

            

    

     

    “Acquisition
      EBITDA Entity”
means,
      as of any date of determination, a business or Person: 

     

    
      	 	
              (1)

            	
              which
                has been acquired by the Company or one of its Restricted Subsidiaries
                and
                with respect to which internal financial statements on a consolidated
                basis with the Company are not available for four full fiscal quarters;
                or
                

            

    

     

    
      	 	
              (2)

            	
              which
                is to be acquired in whole or in part with Indebtedness, the incurrence
                of
                which will require the calculation on such date of the Acquisition
                EBITDA
                of such Acquisition EBITDA Entity for purposes of Section 2.6(b)
                of this
                Sixth Supplemental Indenture (Section 4.9 of the Indenture).
                

            

    

     

    “Additional
      Amounts”
means
      any additional amounts which are required hereby or by any Security, under
      circumstances specified herein or therein, to be paid by the Issuer in respect
      of certain taxes imposed on Holders specified therein and which are owing to
      such Holders. 

     

     “Additional
      Interest”
means
      all additional interest or liquidated damages then owing pursuant to the
      Registration Rights Agreement. 

     

    “Additional
      Notes”
means
      such amount of the Issuer’s 71⁄2% Senior Subordinated Notes due 2017 (other than
      the Initial Notes) as the Issuer may issue from time to time under this Sixth
      Supplemental Indenture in accordance with Section 2.2 hereof as part of the
      same
      series as the Initial Notes. 

     

    “Adjusted
      EBITDA”
means,
      as of any date of determination and without duplication, the sum of:

     

    
      	 	
              (1)

            	
              EBITDA
                of the Company and its Restricted Subsidiaries for the Company’s most
                recently ended four full fiscal quarters for which internal financial
                statements are available at such date of determination; and
                

            

    

     

    
      	 	
              (2)

            	
              Acquisition
                EBITDA of each business or Person that is an Acquisition EBITDA Entity
                as
                of such date of determination, multiplied by a fraction, (i) the
                numerator of which is 12 minus the number of months (and/or any portion
                thereof) in such 

            

    

     

    
      
        
        

      

      
        2

        
          

        

      

      
        
        

      

    

    most
      recent four full fiscal quarters for which the financial results of such
      Acquisition EBITDA Entity are included in the EBITDA of the Company and its
      Restricted Subsidiaries under clause (1) above, and (ii) the
      denominator of which is 12. The effects of unusual items, including
      merger-related expenses permitted to be shown as a separate line item on a
      statement of operations in accordance with GAAP, or non-recurring items in
      respect of the Company, a Restricted Subsidiary or an Acquisition EBITDA Entity
      occurring in any period shall be excluded in the calculation of Adjusted
      EBITDA.

     

    “Agent
      Members”
means
      members of, or Participants in, the Depository.

     

    “Applicable
      Procedures”
means,
      with respect to any transfer or exchange of or for beneficial interests in
      any
      Global Note, the rules and procedures of the Depository that apply to such
      transfer or exchange.

     

    “Attributable
      Indebtedness”
in
      respect of a Sale and Leaseback Transaction means, as of the time of
      determination, the greater of: 

     

    
      	 	
              (1)

            	
              the
                fair market value of the property subject to such arrangement (as
                determined by the Board of Directors); and

            

    

     

    
      	 	
              (2)

            	
              the
                present value (discounted at the rate of interest implicit in such
                transaction) of the total obligations of the lessee for rental payments
                during the remaining terms of the lease included in such Sale and
                Leaseback Transaction (including any period for which such lease
                has been
                extended).

            

    

     

    “Board
      of Directors”
means
      the Board of Directors of the Company or the Issuer, as appropriate, or any
      duly
      authorized committee thereof.

     

    “Broker-Dealer”
has
      the
      meaning set forth in the Registration Rights Agreement. 

     

    “CAD
      Make-Whole Amount”
means,
      with respect to any note, an amount equal to the excess, if any,
      of:

     

    
      	 	
              (1)

            	
              the
                present value of the remaining principal, premium and interest payments
                that would be payable with respect to such note if such note were
                redeemed
                on March 15, 2012, computed using a discount rate equal to the CAD
                Yield plus 75 basis points, over

            

    

     

    (2) 
the
      outstanding principal amount of such note.

     

    “CAD
      Make-Whole Average Life”
means,
      with respect to any date of redemption of notes, the number of years (calculated
      to the nearest one-twelfth) from such redemption date to March 15,
      2012.

     

    “CAD
      Make-Whole Price”
means,
      with respect to any note, the greater of:

     

    
      	 	
              (1)

            	
              the
                sum of the principal amount of and CAD Make-Whole Amount with respect
                to
                such note; and

            

    

     

    (2) 
the
      redemption price of such note on March 15, 2012.

     

    
      
        
        

      

      
        3

        
          

        

      

      
        
        

      

    

    “CAD
      Yield”
means,
      at any time of computation, the yield to maturity at such time, compounded,
      semi-annually, which a non-callable Government of Canada bond would carry if
      issued, in Canadian dollars in Canada, at 100% of its principal amount at such
      time with a term to maturity approximately equal to CAD Make-Whole Average
      Life.
      The CAD Yield will be the average (rounded to four decimal places) of the yields
      determined by two major Canadian investment dealers selected by the
      Issuer.

     

    “Canadian
      Dollars,”
      “CAD”
and
      “C$”
mean
      lawful money of Canada.

     

    “Canadian
      Government Obligations”
means
      direct obligations of, or obligations guaranteed by, the Canadian government
      or
      any agency thereof for the payment of which guarantee or obligations the full
      faith and credit of Canada is pledged.

     

    “Cash
      Equivalents”
      means:

     

    
      	 	
              (1)

            	
              securities
                with maturities of one year or less from the date of acquisition,
                issued,
                fully guaranteed or insured by the United States Government or any
                agency
                thereof; 

            

    

     

    
      	 	
              (2)

            	
              certificates
                of deposit, time deposits, overnight bank deposits, bankers acceptances
                and repurchase agreements issued by a Qualified Issuer having maturities
                of 270 days or less from the date of acquisition;
                

            

    

     

    
      	 	
              (3)

            	
              commercial
                paper of an issuer rated at least A-2 by Standard & Poor’s Rating
                Group, a division of The McGraw-Hill Companies, Inc., or P-2 by
                Moody’s Investors Service, or carrying an equivalent rating by a
                nationally recognized rating agency if both of the two named rating
                agencies cease publishing ratings of investments, and having maturities
                of
                270 days or less from the date of acquisition;
                

            

    

     

    
      	 	
              (4)

            	
              money
                market accounts or funds with or issued by Qualified Issuers; and
                

            

    

     

    
      	 	
              (5)

            	
              Investments
                in money market funds substantially all of the assets of which are
                comprised of securities and other obligations of the types described
                in
                clauses (1) through (3) above.

            

    

     

    “Change
      of Control”
means
      the occurrence of any of the following events: 

     

    
      	 	
              (1)

            	
              any
                “person” or “group” (as such terms are used in Sections 13(d) and 14(d) of
                the Exchange Act), other than the Principal Stockholders (or any
                of them),
                is or becomes the “beneficial owner” (as defined in Rules 13d-3 and
                13d-5 under the Exchange Act), directly or indirectly, of more than
                a
                majority of the voting power of all classes of Voting Stock of the
                Company; 

            

    

     

    
      	 	
              (2)

            	
              the
                Company consolidates with, or merges with or into, another Person
                or
                conveys, transfers, leases or otherwise disposes of all or substantially
                all of its assets to any Person, or any Person consolidates with,
                or
                merges with or into, the Company, in any such event pursuant to a
                transaction in which the outstanding Voting Stock of the Company
                is
                converted into or exchanged for cash, securities or other property,
                other
                than any such transaction where (i) the outstanding Voting Stock of
                the Company is not converted or exchanged at all (except to the
                

            

    

     

    
      
        
        

      

      
        4

        
          

        

      

      
        
        

      

    

    extent
      necessary to reflect a change in the jurisdiction of incorporation) or is
      converted into or exchanged for (A) Voting Stock (other than Disqualified
      Stock) of the surviving or transferee Person or (B) cash, securities and
      other property (other than Capital Stock described in the foregoing
      clause (A)) of the surviving or transferee Person in an amount that could
      be paid as a Restricted Payment pursuant to Section 2.6(a) of the Sixth
      Supplemental Indenture (Section 4.8 of the Indenture) and (ii) immediately
      after such transaction, no “person” or “group” (as such terms are used in
      Sections 13(d) and 14(d) of the Exchange Act), other than the Principal
      Stockholders (or any of them), is the “beneficial owner” (as defined in
      Rules 13d-3 and 13d-5 under the Exchange Act), directly or indirectly, of
      more than a majority of the total outstanding Voting Stock of the surviving
      or
      transferee Person; 

     

    
      	 	
              (3)

            	
              during
                any consecutive two-year period, individuals who at the beginning
                of such
                period constituted the Board of Directors (together with any new
                directors
                whose election to such Board of Directors, or whose nomination for
                election by the stockholders of the Company, was approved by a vote
                of
                662/3%
                of the directors then still in office who were either directors at
                the
                beginning of such period or whose election or nomination for election
                was
                previously so approved) cease for any reason to constitute a majority
                of
                the Board of Directors then in office; or

            

    

     

    
      	 	
              (4)

            	
              the
                Company is liquidated or dissolved or adopts a plan of liquidation
                or
                dissolution other than in a transaction which complies with Section
                5.1 of
                the Indenture.

            

    

     

    “Company
      Guarantee”
means
      a
      Guarantee of the Company pursuant to Article XII of the
      Indenture.

     

    “Consolidated
      Adjusted Net Income”
means,
      for any period, the net income (or net loss) of the Company and its Restricted
      Subsidiaries for such period as determined on a consolidated basis in accordance
      with GAAP, adjusted to the extent included in calculating such net income or
      loss by excluding: 

     

    
      	 	
              (1)

            	
              any
                net after-tax extraordinary gains or losses (less all fees and expenses
                relating thereto); 

            

    

     

    
      	 	
              (2)

            	
              any
                net after-tax gains or losses (less all fees and expenses relating
                thereto) attributable to Asset Sales;

            

    

     

    
      	 	
              (3)

            	
              the
                portion of net income (or loss) of any Person (other than the Company
                or a
                Restricted Subsidiary), including Unrestricted Subsidiaries, in which
                the
                Company or any Restricted Subsidiary has an ownership interest, except
                to
                the extent of the amount of dividends or other distributions actually
                paid
                to the Company or any Restricted Subsidiary in cash dividends or
                distributions by such Person during such period; and
                

            

    

     

    
      	 	
              (4)

            	
              the
                net income (or loss) of any Person combined with the Company or any
                Restricted Subsidiary on a “pooling of interests” basis attributable to
                any period prior to the date of combination.

            

    

     

    
      
        
        

      

      
        5

        
          

        

      

      
        
        

      

    

    “Consolidated
      Income Tax Expense”
means,
      for any period, the provision for U.S. federal, state, local and foreign income
      taxes of the Company and its Restricted Subsidiaries for such period as
      determined on a consolidated basis in accordance with GAAP. 

     

    “Consolidated
      Interest Expense”
means,
      for any period, without duplication, the sum of: 

     

    
      	 	
              (1)

            	
              the
                amount which, in conformity with GAAP, would be set forth opposite
                the
                caption “interest expense” (or any like caption) on a consolidated
                statement of operations of the Company and its Restricted Subsidiaries
                for
                such period, including, without limitation:

            

    

     

    (i) amortization
      of debt discount; 

     

    (ii) the
      net
      cost of interest rate contracts (including amortization of discounts);

     

    (iii) the
      interest portion of any deferred payment obligation; 

     

    (iv) amortization
      of debt issuance costs; and 

     

    (v) the
      interest component of Capital Lease Obligations of the Company and its
      Restricted Subsidiaries; plus 

     

    
      	 	
              (2)

            	
              all
                interest on any Indebtedness of any other Person guaranteed and paid
                by
                the Company or any of its Restricted Subsidiaries;
                

            

    

     

    provided,
      however,
      that
      Consolidated Interest Expense will not include any gain or loss from
      extinguishment of debt, including write-off of debt issuance costs.

     

    “Consolidated
      Non-Cash Charges”
means,
      for any period, the aggregate depreciation, amortization and other non-cash
      expenses of the Company and its Restricted Subsidiaries (including without
      limitation any minority interest) reducing Consolidated Adjusted Net Income
      for
      such period, determined on a consolidated basis in accordance with GAAP
      (excluding any such non-cash charge to the extent that it requires an accrual
      of
      or reserve for cash charges for any future period). 

     

    “Credit
      Agent”
means
      JPMorgan Chase Bank, N.A., in its capacity as administrative agent for the
      lenders party to the Credit Agreement, or any successor or successors party
      thereto. 

     

    “Credit
      Agreement”
means
      that certain Amended and Restated Credit Agreement, dated as of July 8, 2004,
      as
      amended, among the Company, the lenders party thereto and the Credit Agent,
      as
      amended, restated, supplemented, modified, renewed, refunded, increased,
      extended, replaced or refinanced from time to time. 

     

    
      
        
        

      

      
        6

        
          

        

      

      
        
        

      

    

    “Definitive Notes”
means
      Notes that are in the form of the Notes attached hereto as Exhibit A, that
      do
      not include the information called for by Section 2.15 of the
      Indenture.

     

    “Depository”
means,
      with respect to the Securities of any Series issuable or issued in whole or
      in
      part in the form of one or more Global Securities, the Person designated as
      Depository for such Series by the Issuer; and if at any time there is more
      than
      one such Person, “Depository”
as
      used
      with respect to the Securities of any Series shall mean the Depository with
      respect to the Securities of such Series. 

     

    “EBITDA”
means
      for any period Consolidated Adjusted Net Income for such period increased by:
      

     

    
      	 	
              (1)

            	
              Consolidated
                Interest Expense for such period; plus

            

    

     

    
      	 	
              (2)

            	
              Consolidated
                Income Tax Expense for such period; plus

            

    

     

    
      	 	
              (3)

            	
              Consolidated
                Non-Cash Charges for such period. 

            

    

     

    “Equity
      Interests”
means
      Capital Stock and all warrants, options or other rights to acquire Capital Stock
      (but excluding any debt security that is convertible into, or exchangeable
      for,
      Capital Stock). 

     

    “Equity
      Proceeds”
means:
      

     

    
      	 	
              (1)

            	
              with
                respect to Equity Interests (or debt securities converted into Equity
                Interests) issued or sold for cash Dollars, the aggregate amount
                of such
                cash Dollars; and 

            

    

     

    
      	 	
              (2)

            	
              with
                respect to Equity Interests (or debt securities converted into Equity
                Interests) issued or sold for any consideration other than cash Dollars,
                the aggregate Market Price thereof computed on the date of the issuance
                or
                sale thereof. 

            

    

     

    “Exchange
      Notes”
means
      the Notes issued in the Exchange Offer pursuant to Section 2.04(f)
      hereof.

     

    “Exchange
      Offer”
has
      the
      meaning set forth in the Registration Rights Agreement.

     

    “Exchange
      Offer Registration Statement”
has
      the
      meaning set forth in the Registration Rights Agreement.

     

    “Excluded
      Restricted Subsidiary”
means
      any Restricted Subsidiary organized under the laws of a jurisdiction other
      than
      the United States (as defined in Regulation S under the Securities Act) and
      that
      has not delivered a Subsidiary Guarantee.

     

    “Existing
      Indebtedness”
means
      Indebtedness of the Company and its Subsidiaries (other than under the Credit
      Agreement) in existence on the date of the Sixth Supplemental Indenture, until
      such amounts are repaid. 

     

    “Global
      Note Legend”
means
      the legend set forth in Section 2.4(g)(2) hereof, which is required to be placed
      on all Global Notes issued under this Indenture.

     

    
      
        
        

      

      
        7

        
          

        

      

      
        
        

      

    

    “Global
      Notes”
means,
      individually and collectively, each of the Restricted Global Notes and the
      Unrestricted Global Notes deposited with or on behalf of and registered in
      the
      name of the Depository or its nominee, substantially in the form of Exhibit
      A
      hereto and that bears the Global Note Legend, issued in accordance with Section
      2.1, 2.4(b)(3), 2.4(b)(4), 2.4(d)(2) or 2.4(f) hereof.

     

    “Guarantors”
means
      the Company and each Subsidiary that is a signatory to the Indenture as a
      guarantor and each Subsidiary of the Company that in accordance with the terms
      of any Securities or a Series issued under the Indenture pursuant to any
      supplemental indenture relating to such Securities becomes a party to the
      Indenture as a guarantor.

     

    “IAI
      Global Note”
means
      a
      Global Note substantially in the form of Exhibit A hereto, bearing the Global
      Note Legend and the Private Placement Legend and deposited with or on behalf
      of
      and registered in the name of the Depository or its nominee that will be issued
      in a denomination equal to the outstanding principal amount of the Notes sold
      to
      Institutional Accredited Investors.

     

    “Indirect
      Participant”
means
      a
      Person who holds a beneficial interest in a Global Note through a
      Participant.

     

    “Initial
      Notes”
means
      the first C$175,000,000 aggregate principal amount of 71⁄2%
      Senior
      Subordinated Notes due 2017 that are issued under this Sixth Supplemental
      Indenture, as amended or supplemented from time to time pursuant to the
      Indenture.

     

    “Institutional
      Accredited Investor”
means
      an institution that is an “accredited investor,” as defined in Rule 501(a)(1),
      (2), (3) or (7) under the Securities Act, who is not also a QIB.

     

    “Investments”
means,
      with respect to any Person, all investments by such Person in other Persons
      (including Affiliates) in the forms of loans (including Guarantees), advances
      or
      capital contributions (excluding commission, travel and similar advances to
      officers and employees made in the ordinary course of business), purchases
      or
      other acquisitions for consideration of Indebtedness, Equity Interests or other
      securities and all other items that are or would be classified as investments
      on
      a balance sheet prepared in accordance with GAAP. 

     

    “Issuer
      Order”
means
      a
      written order signed in the name of the Issuer by two Officers.

     

    “Leverage
      Ratio”
means,
      at any date, the ratio of: 

     

    
      	 	
              (1)

            	
              the
                aggregate principal amount of Indebtedness of the Company and its
                Restricted Subsidiaries outstanding as of the most recent available
                quarterly or annual balance sheet, to

            

    

     

    
      	 	
              (2)

            	
              Adjusted
                EBITDA, after giving pro forma effect, without duplication, to
                

            

    

    
       

    

    (i)     the
      incurrence, repayment or retirement of any Indebtedness by the Company or its
      Restricted Subsidiaries since the last day of the most recent full fiscal
      quarter of the Company; 

     

    (ii)      
if
      the
      Leverage Ratio is being determined in connection with the incurrence of
      Indebtedness by the Company or a Restricted Subsidiary, such Indebtedness;
      and

     

    
      
        
        

      

      
        8

        
          

        

      

      
        
        

      

    

    (iii)   the
      Indebtedness to be incurred in connection with the acquisition of any
      Acquisition EBITDA Entity. 

     

    “Lien”
      means,
      with respect to any asset, any mortgage, lien, pledge, charge, security interest
      or encumbrance of any kind in respect of such asset, whether or not filed,
      recorded or otherwise perfected under applicable law (including any conditional
      sale or other title retention agreement, any lease in the nature thereof, any
      option or other agreement to sell or give a security interest in and any filing
      of or agreement to give any financing statement under the Uniform Commercial
      Code, or equivalent statutes, of any jurisdiction). 

     

    “Market
      Price”
means:
      

     

    
      	 	
              (1)

            	
              with
                respect to the calculation of Equity Proceeds from the issuance or
                sale of
                debt securities which have been converted into Equity Interests,
                the value
                received upon the original issuance or sale of such converted debt
                securities, as determined reasonably and in good faith by the Board
                of
                Directors; and 

            

    

     

    
      	 	
              (2)

            	
              with
                respect to the calculation of Equity Proceeds from the issuance or
                sale of
                Equity Interests, the average of the daily closing prices for such
                Equity
                Interests for the 20 consecutive trading days preceding the date
                of such
                computation. 

            

    

     

    The
      closing price for each day shall be: 

     

    
      	 	
              (1)

            	
              if
                such Equity Interests are then listed or admitted to trading on the
                New
                York Stock Exchange, the closing price on the NYSE Consolidated Tape
                (or
                any successor consolidated tape reporting transactions on the New
                York
                Stock Exchange) or, if such composite tape shall not be in use or
                shall
                not report transactions in such Equity Interests, or if such Equity
                Interests shall be listed on a stock exchange other than the New
                York
                Stock Exchange (including for this purpose the Nasdaq Global Market),
                the
                last reported sale price regular way for such day, or in case no
                such
                reported sale takes place on such day, the average of the closing
                bid and
                asked prices regular way for such day, in each case on the principal
                national securities exchange on which such Equity Interests are listed
                or
                admitted to trading (which shall be the national securities exchange
                on
                which the greatest number of such Equity Interests have been traded
                during
                such 20 consecutive trading days); or

            

    

     

    
      	 	
              (2)

            	
              if
                such Equity Interests are not listed or admitted to trading on any
                such
                exchange, the average of the closing bid and asked prices thereof
                in the
                over-the-counter market as reported by the National Association of
                Securities Dealers Automated Quotation System or any successor system,
                or
                if not included therein, the average of the closing bid and asked
                prices
                thereof furnished by two members of the National Association of Securities
                Dealers selected reasonably and in good faith by the Board of Directors
                for that purpose. In the absence of one or more such quotations,
                the
                Market Price for such Equity Interests shall be determined reasonably
                and
                in good faith by the Board of Directors.

            

    

     

    “Net
      Proceeds”
means
      the aggregate cash proceeds received by the Company or any of its Restricted
      Subsidiaries in respect of any Asset Sale, which amount is equal to the excess,
      if any, of: 

     

    
      
        
        

      

      
        9

        
          

        

      

      
        
        

      

    

    
      	 	
              (1)

            	
              the
                cash received by the Company or such Restricted Subsidiary (including
                any
                cash payments received by way of deferred payment pursuant to, or
                monetization of, a note or installment receivable or otherwise, but
                only
                as and when received) in connection with such disposition, over
                

            

    

     

    
      	 	
              (2)

            	
              the
                sum of: 

            

    

     

    (i)    the
      amount of any Indebtedness which is secured by such asset and which is required
      to be repaid in connection with the disposition thereof; plus 

     

    (ii)   the
      reasonable out-of-pocket expenses incurred by the Company or such Restricted
      Subsidiary, as the case may be, in connection with such disposition or in
      connection with the transfer of such amount from such Restricted Subsidiary
      to
      the Company; plus 

     

    (iii)       
      provisions
      for taxes, including income taxes, attributable to the disposition of such
      asset
      or attributable to required prepayments or repayments of Indebtedness with
      the
      proceeds thereof; plus

     

    (iv)   if
      the
      Company does not first receive a transfer of such amount from the relevant
      Restricted Subsidiary with respect to the disposition of an asset by such
      Restricted Subsidiary and such Restricted Subsidiary intends to make such
      transfer as soon as practicable, the out-of-pocket expenses and taxes that
      the
      Company reasonably estimates will be incurred by the Company or such Restricted
      Subsidiary in connection with such transfer at the time such transfer is
      expected to be received by the Company (including, without limitation,
      withholding taxes on the remittance of such amount). 

     

    “Note
      Guarantees”
means,
      collectively, the Subsidiary Guarantee and the Company Guarantee, and
“Note
      Guarantee”
means
      any one of them.

     

    “Notes”
has
      the
      meaning assigned to it in the preamble to this Sixth Supplemental Indenture.
      The
      Initial Notes and any Additional Notes shall be treated as a single class for
      all purposes under this Sixth Supplemental Indenture and the
      Indenture.

     

    “Obligations”
means
      any principal, interest (including post-petition interest, whether or not
      allowed as a claim in any proceeding), penalties, fees, costs, expenses,
      indemnifications, reimbursements, damages and other liabilities payable under
      or
      in connection with any Indebtedness. 

     

    “Participant”
means,
      with respect to the Depository, a Person who has an account with the Depository
      and, with respect to CDS, shall include the Depository Trust
      Company.

     

    “Permitted
      Investments”
means:
      

     

    
      	 	
              (1)

            	
              any
                Investments in the Company or in a Restricted Subsidiary (other than
                an
                Excluded Restricted Subsidiary) of the Company, including without
                limitation the Guarantee of Indebtedness permitted under Section
                2.6(b) of
                the Sixth
                Supplemental Indenture (Section 4.9 of the Indenture);
                

            

    

     

    
      
        
        

      

      
        10

        
          

        

      

      
        
        

      

    

    
      	 	
              (2)

            	
              any
                Investments in Cash Equivalents; 

            

    

     

    
      	 	
              (3)

            	
              Investments
                by the Company or any Restricted Subsidiary of the Company in a Person,
                if
                as a result of such Investment; 

            

    

     

    (i)
   such
      Person becomes a Restricted Subsidiary (other than an Excluded Restricted
      Subsidiary) of the Company; or 

     

    (ii)   such
      Person is merged, consolidated or amalgamated with or into, or transfers or
      conveys substantially all of its assets to, or is liquidated into, the Company
      or a Restricted Subsidiary (other than an Excluded Restricted Subsidiary) of
      the
      Company; 

     

    
      	 	
              (4)

            	
              Investments
                in assets (including accounts and notes receivable) owned or used
                in the
                ordinary course of business; 

            

    

     

    
      	 	
              (5)

            	
              Investments
                for any purpose related to the Company’s records and information
                management business (including, without limitation, the Company’s
                confidential destruction and fulfillment businesses) in an aggregate
                outstanding amount not to exceed $10.0 million; and
                

            

    

     

    
      	 	
              (6)

            	
              Investments
                by the Company or a Restricted Subsidiary (other than an Excluded
                Restricted Subsidiary) in one or more Excluded Restricted Subsidiaries,
                the aggregate outstanding amount of which does not exceed 30% of
                the
                consolidated assets of the Company and its Restricted Subsidiaries
                (and,
                for the avoidance of doubt, Permitted Investments shall include any
                Investment by an Excluded Restricted Subsidiary in another Excluded
                Restricted Subsidiary). 

            

    

     

    “Permitted
      Liens”
means:
      

     

    
      	 	
              (1)

            	
              Liens
                existing as of the date of issuance of the Notes;
                

            

    

     

    
      	 	
              (2)

            	
              Liens
                on property or assets of the Company or any Restricted Subsidiary
                securing
                Senior Debt; 

            

    

     

    
      	 	
              (3)

            	
              Liens
                on any property or assets of a Restricted Subsidiary granted in favor
                of
                the Company or any Wholly Owned Restricted Subsidiary;
                

            

    

     

    
      	 	
              (4)

            	
              Liens
                securing the Notes or the Guarantees;

            

    

     

    
      	 	
              (5)

            	
              any
                interest or title of a lessor under any Capital Lease Obligation
                or Sale
                and Leaseback Transaction so long as the Indebtedness, if any, secured
                by
                such Lien does not exceed the principal amount of Indebtedness permitted
                under Section 2.6(b) of the Sixth Supplemental Indenture (Section
                4.9 of
                the Indenture);

            

    

     

    
      	 	
              (6)

            	
              Liens
                securing Acquired Debt created prior to (and not in connection with
                or in
                contemplation of) the incurrence of such Indebtedness by the Company
                or
                any Restricted Subsidiary; provided
                that such Lien does not extend to any property or assets of the Company
                or
                any Restricted Subsidiary other than the assets acquired in connection
                with the incurrence of such Acquired Debt;

            

    

     

    
      
        
        

      

      
        11

        
          

        

      

      
        
        

      

    

    
      	 	
              (7)

            	
              Liens
                securing Hedging Obligations permitted to be incurred pursuant to
                clause (7) of Section 2.6(b) of the Sixth Supplemental Indenture
                (clause (7) of Section 4.9 of the
                Indenture);

            

    

     

    
      	 	
              (8)

            	
              Liens
                arising from purchase money mortgages and purchase money security
                interests, or in respect of the construction of property or assets,
                incurred in the ordinary course of the business of the Company or
                a
                Restricted Subsidiary; provided
                that (i) the related Indebtedness is not secured by any property or
                assets of the Company or any Restricted Subsidiary other than the
                property
                and assets so acquired or constructed and (ii) the Lien securing such
                Indebtedness is created within 60 days of such acquisition or
                construction; 

            

    

     

    
      	 	
              (9)

            	
              statutory
                Liens or landlords’ and carriers’, warehousemen’s, mechanics’, suppliers’,
                materialmen’s, repairmen’s or other like Liens arising in the ordinary
                course of business and with respect to amounts not yet delinquent
                or being
                contested in good faith by appropriate proceedings, if a reserve
                or other
                appropriate provision, if any, as shall be required in conformity
                with
                GAAP shall have been made therefor;

            

    

     

    
      	 	
              (10)

            	
              Liens
                for taxes, assessments, government charges or claims with respect
                to
                amounts not yet delinquent or that are being contested in good faith
                by
                appropriate proceedings diligently conducted, if a reserve or other
                appropriate provision, if any, as is required in conformity with
                GAAP has
                been made therefor; 

            

    

     

    
      	 	
              (11)

            	
              Liens
                incurred or deposits made to secure the performance of tenders, bids,
                leases, statutory obligations, surety and appeal bonds, government
                contracts, performance bonds and other obligations of a like nature
                incurred in the ordinary course of business (other than contracts
                for the
                payment of money); 

            

    

     

    
      	 	
              (12)

            	
              easements,
                rights-of-way, restrictions and other similar charges or encumbrances
                not
                interfering in any material respect with the business of the Company
                or
                any Restricted Subsidiary incurred in the ordinary course of business;
                

            

    

     

    
      	 	
              (13)

            	
              Liens
                arising by reason of any judgment, decree or order of any court so
                long as
                such Lien is adequately bonded and any appropriate legal proceedings
                that
                may have been duly initiated for the review of such judgment, decree
                or
                order shall not have been finally terminated or the period within
                which
                such proceedings may be initiated shall not have expired;
                

            

    

     

    
      	 	
              (14)

            	
              Liens
                arising under options or agreements to sell assets;
                

            

    

     

    
      	 	
              (15)

            	
              other
                Liens securing obligations incurred in the ordinary course of business,
                which obligations do not exceed $10.0 million in the aggregate at any
                one time outstanding; and 

            

    

     

    
      	 	
              (16)

            	
              any
                extension, renewal or replacement, in whole or in part, of any Lien
                described in the foregoing clauses (1) through (15); provided
                that any such extension, renewal or replacement shall not extend
                to any
                additional property or assets. 

            

    

     

    
      
        
        

      

      
        12

        
          

        

      

      
        
        

      

    

    “Principal
      Stockholders”
means
      each of Vincent J. Ryan, Schooner Capital LLC, C. Richard Reese, Kent P. Dauten
      and their respective Affiliates. 

     

    “Private
      Placement Legend”
means
      the legend set forth in Section 2.4(g)(1) hereof to be placed on all Notes
      issued under this Indenture except where otherwise permitted by the provisions
      of this Indenture.

     

    “QIB”
means
      a
“qualified institutional buyer” as defined in Rule 144A.

     

    “Qualified
      Equity Offering”
means
      an offering of Capital Stock, other than Disqualified Stock, of the Company
      for
      Dollars, whether registered or exempt from registration under the Securities
      Act. 

     

    “Qualified
      Issuer”
means:
      

     

    
      	 	
              (1)

            	
              any
                lender party to the Credit Agreement; or

            

    

     

    
      	 	
              (2)

            	
              any
                commercial bank: 

            

    

     

    (i)
   which
      has
      capital and surplus in excess of $500,000,000; and 

     

    (ii)   the
      outstanding short-term debt securities of which are rated at least A-2 by
      Standard & Poor’s Rating Group, a division of The McGraw-Hill
      Companies, Inc. or at least P-2 by Moody’s Investors Service, or carry an
      equivalent rating by a nationally recognized rating agency if both of the two
      named rating agencies cease publishing ratings of investments. 

     

    “Qualifying
      Sale and Leaseback Transaction”
means
      any Sale and Leaseback Transaction between the Company or any of its Restricted
      Subsidiaries and any bank, insurance company or other lender or investor
      providing for the leasing to the Company or such Restricted Subsidiary of any
      property (real or personal) which has been or is to be sold or transferred
      by
      the Company or such Restricted Subsidiary to such lender or investor or to
      any
      Person to whom funds have been or are to be advanced by such lender or investor
      and where the property in question has been constructed or acquired after the
      date of the Sixth Supplemental Indenture. 

     

    “Refinancing
      Indebtedness”
means
      new Indebtedness incurred or given in exchange for, or the proceeds of which
      are
      used to repay, redeem, defease, extend, refinance, renew, replace or refund,
      other Indebtedness; provided,
      however,
      that:

     

    
      	 	
              (1)

            	
              the
                principal amount of such new Indebtedness shall not exceed the principal
                amount of Indebtedness so repaid, redeemed, defeased, extended,
                refinanced, renewed, replaced or refunded (plus the amount of fees,
                premiums, consent fees, prepayment penalties and expenses incurred
                in
                connection therewith); 

            

    

     

    
      	 	
              (2)

            	
              such
                Refinancing Indebtedness shall have a Weighted Average Life to Maturity
                equal to or greater than the Weighted Average Life to Maturity of
                the
                Indebtedness so repaid, redeemed, defeased, extended, refinanced,
                renewed,
                replaced or refunded or shall mature after the maturity date of the
                Notes;
                

            

    

     

    
      	 	
              (3)

            	
              to
                the extent such Refinancing Indebtedness refinances Indebtedness
                that has
                a final maturity date occurring after the initial scheduled maturity
                date
                of the Notes, 

            

    

     

    
      
        
        

      

      
        13

        
          

        

      

      
        
        

      

    

    such
      new
      Indebtedness shall have a final scheduled maturity not earlier than the final
      scheduled maturity of the Indebtedness so repaid, redeemed, defeased, extended,
      refinanced, renewed, replaced or refunded and shall not permit redemption at
      the
      option of the holder earlier than the earliest date of redemption at the option
      of the holder of the Indebtedness so repaid, redeemed, defeased, extended,
      refinanced, renewed, replaced or refunded; 

     

    
      	 	
              (4)

            	
              to
                the extent such Refinancing Indebtedness refinances Indebtedness
                subordinate to the Notes, such Refinancing Indebtedness shall be
                subordinated in right of payment to the Notes and to the extent such
                Refinancing Indebtedness refinances Notes or Indebtedness pari
                passu
                with the Notes, such Refinancing Indebtedness shall be pari
                passu
                with or subordinated in right of payment to the Notes, in each case
                on
                terms at least as favorable to the holders of Notes as those contained
                in
                the documentation governing the Indebtedness so repaid, redeemed,
                defeased, extended, refinanced, renewed, replaced or refunded; and
                

            

    

     

    
      	 	
              (5)

            	
              with
                respect to Refinancing Indebtedness incurred by the Company or a
                Restricted Subsidiary, such Refinancing Indebtedness shall rank no
                more
                senior, and shall be at least as subordinated, in right of payment
                to the
                Guarantee of the Company or such Restricted Subsidiary, respectively,
                as
                the Indebtedness being extended, refinanced, renewed, replaced or
                refunded. 

            

    

     

    “Registration
      Rights Agreement”
means
      the Registration Rights Agreement, dated as of March 15, 2007, among the Issuer
      and the Guarantors and the Initial Purchasers, as such agreement may be amended,
      modified or supplemented from time to time, and with respect to any Additional
      Notes, one or more registration rights agreements among the Issuer, the
      Guarantors and the other parties thereto, as such agreements may be amended,
      modified or supplemented from time to time, relating to rights given by the
      Issuer to the purchasers of Additional Notes to register such Additional Notes
      under the Securities Act.

     

    “Regulation
      S”
means
      Regulation S promulgated under the Securities Act.

     

     “Regulation
      S Global Note”
means
      a
      Global Note substantially in the form of Exhibit A hereto bearing the Global
      Note Legend and the Private Placement Legend and deposited with or on behalf
      of
      and registered in the name of the Depository or its nominee, issued in a
      denomination equal to the outstanding principal amount of the Notes sold in
      reliance on Rule 903 of Regulation S.

     

    “Representative”
means,
      for the purposes of Article XIII, the Credit Agent or other agent, trustee
      or
      representative of any Senior Debt of the Issuer or a Guarantor, as the case
      may
      be.

     

    “Restricted
      Definitive Note”
means
      a
      Definitive Note bearing the Private Placement Legend.

     

    “Restricted
      Global Note”
means
      a
      Global Note bearing the Private Placement Legend.

     

    “Restricted
      Period”
means
      the 40-day distribution compliance period as defined in Regulation
      S.

     

    
      
        
        

      

      
        14

        
          

        

      

      
        
        

      

    

    “Restricted
      Subsidiary”
means:
      

     

    
      	 	
              (1)

            	
              each
                direct or indirect Subsidiary of the Company existing on the date
                of the
                Sixth
                Supplemental Indenture, including the Issuer (other than Subsidiaries
                of
                Iron Mountain Global, Inc. (including Iron Mountain Europe Limited,
                Iron
                Mountain Mexico, S.A. de R.L. de C.V. and their respective Subsidiaries,
                but excluding, in any event, Iron Mountain Cayman Ltd., Iron Mountain
                (Gibraltar) Holdings Limited, Iron Mountain (Netherlands) B.V. and
                Iron
                Mountain Switzerland GmbH), Iron Mountain Assurance Corporation,
                Mountain
                West Palm Real Estate, Inc. and Upper Providence Venture I, L.P.);
                and
                

            

    

     

    
      	 	
              (2)

            	
              any
                other direct or indirect Subsidiary of the Company formed, acquired
                or
                existing after the date of the Sixth Supplemental Indenture (including
                an
                Excluded Restricted Subsidiary), 

            

    

     

    which,
      in
      the case of (1) or (2), is not designated by the Board of Directors as an
“Unrestricted Subsidiary.” 

     

    “Rule
      144”
means
      Rule 144 promulgated under the Securities Act.

     

    “Rule
      144A”
means
      Rule 144A promulgated under the Securities Act.

     

    “Rule
      903”
means
      Rule 903 promulgated under the Securities Act.

     

    “Rule
      904”
means
      Rule 904 promulgated under the Securities Act.

     

    “Sale
      and Leaseback Transaction”
means
      any transaction or series of related transactions pursuant to which a Person
      sells or transfers any property or asset in connection with the leasing, or
      the
      resale against installment payments, of such property or asset to the seller
      or
      transferor.

     

    “Securities”
means
      the debentures, notes or other instruments of Indebtedness of the Issuer or
      the
      Company of any Series authenticated and delivered under this Indenture.

     

    “Senior
      Bank Debt”
means
      all Obligations outstanding under or in connection with the Credit Agreement
      (including Guarantees of such Obligations by Subsidiaries of the Company).
      

     

    “Senior
      Debt”
means:
      

     

    
      	 	
              (1)

            	
              the
                Senior Bank Debt; and 

            

    

     

    
      	 	
              (2)

            	
              any
                other Indebtedness permitted to be incurred by the Company or any
                Restricted Subsidiary, as the case may be, under the terms of the
                Sixth
                Supplemental Indenture or the Indenture, unless the instrument under
                which
                such Indebtedness is incurred expressly provides that it is:
                

            

    

     

    (i) on
      a
      parity with or subordinated in right of payment to the Notes; or 

     

    (ii) subordinated
      to Senior Debt on terms substantially similar to those of the Notes.

     

    Notwithstanding
      anything to the contrary in the foregoing, Senior Debt shall not include:

     

    
      
        
        

      

      
        15

        
          

        

      

      
        
        

      

    

    
      	 	
              (1)

            	
              any
                liability for federal, state, local or other taxes owed or owing
                by the
                Company; 

            

    

     

    
      	 	
              (2)

            	
              any
                Indebtedness of the Company to any of its Subsidiaries or other
                Affiliates; 

            

    

     

    
      	 	
              (3)

            	
              any
                trade payables; or 

            

    

     

    
      	 	
              (4)

            	
              any
                Indebtedness that is incurred in violation of the Sixth
                Supplemental Indenture or the Indenture, provided
                that such Indebtedness shall be deemed not to have been incurred
                in
                violation of the Sixth
                Supplemental Indenture or the Indenture for purposes of this
                clause (4) if, in the case of any obligations under the Credit
                Agreement, the holders of such obligations or their agent or
                representative shall have received a representation from the Company
                to
                the effect that the incurrence of such Indebtedness does not violate
                the
                provisions of the Sixth Supplemental Indenture or the Indenture.
                

            

    

     

    “Series”
or
      “Series
      of Securities”
means
      each series of debentures, notes or other instruments of Indebtedness of the
      Issuer or the Company created pursuant to Sections 2.1 and 2.2 of the Indenture.
      

     

    “Shelf
      Registration Statement”
means
      the Shelf Registration Statement as defined in the Registration Rights
      Agreement.

     

    “Tax”
means
      any tax, duty, levy, impost, assessment, withholding or other governmental
      charge (including penalties and interest related thereto). “Taxes”
and
      “Taxation”
shall
      be construed to have corresponding meanings.

     

    “Unrestricted
      Definitive Note”
means
      a
      Definitive Note that does not bear and is not required to bear the Private
      Placement Legend.

     

    “Unrestricted
      Global Note”
means
      a
      Global Note that does not bear and is not required to bear the Private Placement
      Legend.

     

    “Unrestricted
      Subsidiary”
means:
      

     

    
      	 	
              (1)

            	
              any
                Subsidiary that is designated by the Board of Directors as an Unrestricted
                Subsidiary in accordance with Section 2.6(h) of the Sixth
                Supplemental Indenture (Section 4.15 of the Indenture); and
                

            

    

     

    
      	 	
              (2)

            	
              any
                Subsidiary of an Unrestricted Subsidiary.

            

    

     

    As
      of the
      date hereof, the following Subsidiaries of the Company have been designated
      as
      Unrestricted Subsidiaries: Subsidiaries
      of Iron Mountain Global, Inc. (including Iron Mountain Europe Limited, Iron
      Mountain Mexico, S.A. de R.L. de C.V. and their respective Subsidiaries but
      excluding, in any event, Iron Mountain Cayman Ltd., Iron Mountain (Gibraltar)
      Holdings Limited, Iron Mountain (Netherlands) B.V. and Iron Mountain Switzerland
      GmbH), Iron Mountain Assurance Corporation, Mountain West Palm Real
      Estate, Inc. and Upper Providence Venture I, L.P.

     

    “Voting
      Stock”
means
      any class or classes of Capital Stock pursuant to which the holders thereof
      have
      the general voting power under ordinary circumstances to elect at least a
      majority of the board of directors, managers or trustees of any Person
      (irrespective of whether or not, at the time, stock of 

     

    
      
        
        

      

      
        16

        
          

        

      

      
        
        

      

    

    any
      other
      class or classes has, or might have, voting power by reason of the happening
      of
      any contingency). 

     

    “Weighted
      Average Life to Maturity”
means,
      when applied to any Indebtedness at any date, the number of years obtained
      by
      dividing: 

     

    
      	 	
              (1)

            	
              the
                sum of the products obtained by multiplying (x) the amount of each
                then remaining installment, sinking fund, serial maturity or other
                required payment of principal, including payment at final maturity,
                in
                respect thereof, by (y) the number of years (calculated to the
                nearest one-twelfth) that will elapse between such date and the making
                of
                such payment, by 

            

    

     

    
      	 	
              (2)

            	
              the
                then outstanding principal amount of such Indebtedness.
                

            

    

     

    “Wholly
      Owned Restricted Subsidiary”
means
      any Restricted Subsidiary of the Company all of the outstanding Capital Stock
      or
      other ownership interests of which (other than directors’ qualifying shares)
      shall at the time be owned by the Company or by one or more Wholly Owned
      Restricted Subsidiaries of the Company.

     

    “1996
      Indenture Date”
means
      October 1, 1996.

     

    “1999
      Indenture Date”
means
      April 26, 1999.

     

    “63⁄4%
      Notes”
means
      the Company’s 63⁄4% Senior
      Subordinated Notes due 2018 issued pursuant to the Indenture.

     

    “6
      5/8% Notes”
means
      the Company’s 65⁄8% Senior
      Subordinated Notes due 2016 issued pursuant to the Indenture.

     

    “71⁄4%
      Notes”
means
      the Company’s 71⁄4% GBP
      Senior Subordinated Notes due 2014 issued pursuant to the
      Indenture.

     

    “73⁄4%
      Notes”
means
      the Company’s 73⁄4% Senior Subordinated Notes due 2015 issued pursuant to the
      Indenture.

     

    “8%
      Notes”
means
      the Company’s 8% Senior
      Subordinated Notes due 2018 issued pursuant to the Indenture.

     

    “83⁄4%
      Notes”
means
      the Company’s 83⁄4%
      Senior
      Subordinated Notes due 2018 issued pursuant to the Indenture.

     

    “8
      5/8% Notes”
means
      the Company’s Senior Subordinated Notes due 2013 issued pursuant to the
      indenture dated April 3, 2001, by and among the Company, certain of its
      subsidiaries and the Trustee.

     

    
      	(b)  	
              Other
                Definitions

            

    

     

    The
      definitions of the following terms may be found in the Sections indicated as
      follows:

     

    
      
        
        

      

      
        17

        
          

        

      

      
        
        

      

    

    

     

    
      	
              Term

               

            	
              Defined
                in Section

               

            
	 	 
	
              “Additional
                Tax Amounts”

            	
              2.6(m)

            
	
              “Affiliate
                Transaction”

            	
              2.6(e)

            
	
              “Asset
                Sale”

            	
              2.6(j)

            
	
              “Asset
                Sale Offer”

            	
              2.6(j)

            
	
              “Authentication
                Order”

            	
              2.2

            
	
              “CDS”

            	
              2.4(g)(2)

            
	
              “Change
                of Control Offer”

            	
              2.6(k)

            
	
              “Change
                of Control Payment”

            	
              2.6(k)

            
	
              “Change
                of Control Payment Date”

            	
              2.6(k)

            
	
              “Code”

            	
              2.6(m)

            
	
              “Commencement
                Date”

            	
              2.6(j)

            
	
              “Company”

            	
              Preamble

            
	
              “Excess
                Proceeds”

            	
              2.6(j)

            
	
              “Sixth
                Supplemental Indenture”

            	
              Preamble

            
	
              “Indenture”

            	
              Recitals

            
	
              “Offer
                Amount”

            	
              2.5

            
	
              “Offer
                Period”

            	
              2.5

            
	
              “Previously
                Issued Notes”

            	
              2.16

            
	
              “Purchase
                Date”

            	
              2.5

            
	
              “Required
                Consent”

            	
              2.16

            
	
              “Restricted
                Payments”

            	
              2.6(a)

            
	
              “Tax
                Authority

            	
              2.6(m)

            
	
              “Tax
                Redemption Date”

            	
              2.5

            
	
              “Trustee”

            	
              Preamble

            

    

     

    ARTICLE
      2.

     

    FORM
      AND TERMS OF THE NOTES

     

    Section
      2.1. Form
      and Dating.

     

    (a) General.
      The
      Notes and the Trustee’s certificate of authentication shall be substantially in
      the form of Exhibit A attached hereto (including the Global Note Legend
      thereon). Each Global Note will represent such of the outstanding Notes as
      will
      be specified therein, and each shall provide that it represents the aggregate
      principal amount of outstanding Notes from time to time endorsed thereon and
      that the aggregate principal amount of outstanding Notes represented thereby
      may
      from time to time be reduced or increased, as appropriate, to reflect exchanges
      and redemptions. The Notes may have notations, legends or endorsements required
      by law, stock exchange rule or usage. Each Note shall be dated the date of
      its
      authentication. The Notes shall be in denominations of C$1,000 and integral
      multiples thereof.

     

    The
      terms
      and provisions contained in the Notes shall constitute, and are hereby expressly
      made, a part of the Sixth Supplemental Indenture and the Indenture, and the
      Issuer, the Guarantors and the Trustee, by their execution and delivery of
      the
      Sixth Supplemental Indenture and the Indenture (or in the case of any Guarantor
      that becomes such after the date hereof, a supplemental indenture pursuant
      to
      Section 2.6(g) of this Sixth Supplemental Indenture (Section 4.14 of the
      Indenture)), expressly agree to such terms and provisions and to be bound
      thereby. However, to the extent any provision of any Note conflicts with the
      express provisions of the Indenture (as supplemented by this Sixth Supplemental
      Indenture), the provisions of the Indenture shall govern and be
      controlling.

     

    (b) Global
      Note.
      Notes
      shall be represented in the form of fully registered Global Notes, without
      interest coupons, held by or on behalf of the Depository as custodian of the
      Global Notes 

     

    
      
        
        

      

      
        18

        
          

        

      

      
        
        

      

    

    (for
      its
      participants) and registered in the name of the Depository or its nominee,
      and
      registrations of ownership and transfers of the Notes will be made only through
      the depository services of CDS. The aggregate principal amount of the Global
      Notes may from time to time be increased or decreased by adjustments made on
      the
      records of the Trustee and the Depository or its nominee as hereinafter
      provided.

     

    Each
      Global Note shall represent such of the outstanding Notes as shall be specified
      therein, and each shall provide that it represents the aggregate principal
      amount of outstanding Notes from time to time endorsed thereon and that the
      aggregate amount of outstanding Notes represented thereby may from time to
      time
      be reduced or increased, as appropriate, to reflect exchanges and redemptions.
      Any endorsement of any Global Note to reflect the amount of any increase or
      decrease in the aggregate principal amount of outstanding Notes represented
      thereby shall be made by the Trustee or the Service Agent, at the direction
      of
      the Trustee, in accordance with instructions given by the Holder thereof as
      required by Section 2.4 hereof.

     

    (c) Book
      EntryProvisions.
      This
      Section 2.1(c) shall apply only to the Global Notes deposited with or on behalf
      of the Depository.

     

    The
      Issuer shall execute and the Trustee shall, in accordance with this Section
      2.1(c), authenticate and deliver the Global Notes that (i) shall be registered
      in the name of the Depository or the nominee of the Depository and
      (ii) shall be delivered by the Trustee to the Depository or pursuant to the
      Depository’s instructions or held by the Service Agent.

     

    Agent
      Members shall have no rights either under the Sixth Supplemental Indenture
      or
      the Indenture with respect to the Global Notes held on their behalf by the
      Depository or its nominee or by the Service Agent or under the Global Notes,
      and
      the Depository may be treated by the Issuer, the Trustee and any agent of the
      Issuer or the Trustee as the absolute owner of the Global Notes for all purposes
      whatsoever.

     

    Ownership
      of beneficial interests in each Global Note will be limited to Participants
      and
      Indirect Participants.

     

    (d) Definitive
      Notes.
      Notes
      issued in certificated form shall be substantially in the form of Exhibit A
      attached hereto (but without including the text referred to in Section 2.4(g)(2)
      of this Sixth Supplemental Indenture). Except as provided in Section 2.4, owners
      of beneficial interests in the Global Note shall not be entitled to receive
      physical delivery of Definitive Notes.

     

    Section
      2.2. Execution
      and Authentication.

     

    The
      Trustee shall, upon a written order of the Issuer signed by an Officer (an
      “Authentication
      Order”),
      authenticate up to C$175,000,000 aggregate principal amount of Initial Notes
      and
      such amount of Additional Notes as the Company may issue from time to
      time.

     

    Section
      2.3. Depository,
      Paying Agent and Sub-Paying Agent for Notes.

     

    The
      Issuer initially appoints CDS to act as Depository with respect to the Global
      Notes. The Company initially appoints the Trustee to act as the Registrar,
      Paying Agent and Service Agent with respect to the Global Notes. The Issuer
      initially appoints BNY Trust Company of Canada to act as Canadian sub-paying
      agent for the Notes. 

     

     

    
      
        
        

      

      
        19

        
          

        

      

      
        
        

      

    

    Section
      2.4. Transfer
      and Exchange of Notes.

     

    (a) Transfer
      and Exchange of Global Notes.
      The
      transfer and exchange of beneficial interests in the Global Notes shall be
      effected through the Depository, in accordance with the Sixth Supplemental
      Indenture and the Indenture and Applicable Procedures. Beneficial interests
      in
      the Global Notes may be transferred to Persons who take delivery thereof in
      the
      form of a beneficial interest in the Global Notes.

     

    (b) Transfer
      and Exchange of Beneficial Interests in the Global Notes.
      The
      transfer and exchange of beneficial interests in the Global Notes will be
      effected through records maintained by the Depository or its nominee for such
      Global Note (with respect to interests of participants) and on the records
      of
      Participants (with respect to interests of Persons other than Participants),
      in
      accordance with the provisions of this Indenture and the Applicable Procedures.
      Beneficial interests in the Restricted Global Notes will be subject to
      restrictions on transfer comparable to those set forth herein to the extent
      required by the Securities Act. Transfers of beneficial interests in the Global
      Notes also will require compliance with either subparagraph (1) or (2) below,
      as
      applicable, as well as one or more of the other following subparagraphs, as
      applicable:

     

    (1) Transfer
      of Beneficial Interests in the Same Global Note.
      Beneficial interests in any Restricted Global Note may be transferred to Persons
      who take delivery thereof in the form of a beneficial interest in the same
      Restricted Global Note in accordance with the transfer restrictions set forth
      in
      the Private Placement Legend; provided,
      however,
      that,
      prior to the expiration of the Restricted Period, transfers of beneficial
      interests in the Regulation S Global Note may not be made to a U.S. Person
      or
      for the account or benefit of a U.S. Person (other than an Initial Purchaser).
      Beneficial interests in any Unrestricted Global Note may be transferred to
      Persons who take delivery thereof in the form of a beneficial interest in an
      Unrestricted Global Note. No written orders or instructions shall be required
      to
      be delivered to the Registrar to effect the transfers described in this Section
      2.4(b)(1).

     

    (2) All
      Other Transfers and Exchanges of Beneficial Interests in Global
      Notes.
      In
      connection with all transfers and exchanges of beneficial interests that are
      not
      subject to Section 2.4(b)(1) above, the transferor of such beneficial interest
      must deliver to the Registrar either:

     

    (A)
       both:
      

     

    (i) a
      written
      order from a Participant or an Indirect Participant given to the Depository
      in
      accordance with the Applicable Procedures directing the Depository to credit
      or
      cause to be credited a beneficial interest in another Global Note in an amount
      equal to the beneficial interest to be transferred or exchanged;
      and

     

    (ii) instructions
      given in accordance with the Applicable Procedures containing information
      regarding the Participant account to be credited with such increase; or

     

    (B)
       both:

     

    (i) a
      written
      order from a Participant or an Indirect Participant given to the Depository
      in
      accordance with the Applicable Procedures directing the Depository to cause
      to
      be issued a Definitive Note in an amount equal to the beneficial interest to
      be
      transferred or exchanged; and

     

    
      
        
        

      

      
        20

        
          

        

      

      
        
        

      

    

    (ii) instructions
      given by the Depository to the Registrar containing information regarding the
      Person in whose name such Definitive Note shall be registered to effect the
      transfer or exchange referred to in (1) above.

     

    Upon
      consummation of an Exchange Offer by the Company in accordance with Section
      2.4(f) hereof, the requirements of this Section 2.4(b)(2) shall be deemed to
      have been satisfied upon receipt by the Registrar of the instructions contained
      in the Letter of Transmittal delivered by the Holder of such beneficial
      interests in the Restricted Global Notes. Upon satisfaction of all of the
      requirements for transfer or exchange of beneficial interests in Global Notes
      contained in this Indenture and the Notes or otherwise applicable under the
      Securities Act, the Trustee shall adjust the principal amount of the relevant
      Global Note(s) pursuant to Section 2.4(i) hereof.

     

    (3) Transfer
      of Beneficial Interests to Another Restricted Global Note.
      A
      beneficial interest in any Restricted Global Note may be transferred to a Person
      who takes delivery thereof in the form of a beneficial interest in another
      Restricted Global Note if the transfer complies with the requirements of Section
      2.4(b)(2) above and the Registrar receives the following:

     

    (A)
       if
      the transferee will take delivery in the form of a beneficial interest in the
      144A Global Note, then the transferor must deliver a certificate in the form
      of
      Exhibit B hereto, including the certifications in item (1) thereof;

     

    (B)
       if
      the transferee will take delivery in the form of a beneficial interest in the
      Regulation S Global Note, then the transferor must deliver a certificate in
      the
      form of Exhibit B hereto, including the certifications in item (2) thereof;
      and

     

    (C)
       if
      the transferee will take delivery in the form of a beneficial interest in the
      IAI Global Note, then the transferor must deliver a certificate in the form
      of
      Exhibit B hereto, including the certifications, certificates and Opinion of
      Counsel required by item (3) thereof, if applicable.

     

    (4) Transfer
      and Exchange of Beneficial Interests in a Restricted Global Note for Beneficial
      Interests in an Unrestricted Global Note.
      A
      beneficial interest in any Restricted Global Note may be exchanged by any holder
      thereof for a beneficial interest in an Unrestricted Global Note or transferred
      to a Person who takes delivery thereof in the form of a beneficial interest
      in
      an Unrestricted Global Note if the exchange or transfer complies with the
      requirements of Section 2.4(b)(2) above and:

     

    (A)
       such
      exchange or transfer is effected pursuant to the Exchange Offer in accordance
      with the Registration Rights Agreement and the holder of the beneficial interest
      to be transferred, in the case of an exchange, or the transferee, in the case
      of
      a transfer, certifies in the applicable Letter of Transmittal that it is not
      (i)
      a Broker-Dealer, (ii) a Person participating in the distribution of the Exchange
      Notes or (iii) a Person who is an affiliate (as defined in Rule 144) of the
      Company;

     

    (B)
       such
      transfer is effected pursuant to the Shelf Registration Statement in accordance
      with the Registration Rights Agreement;

     

    (C)
       such
      transfer is effected by a Broker-Dealer pursuant to the Exchange Offer
      Registration Statement in accordance with the Registration Rights Agreement;
      or

     

    
      
        
        

      

      
        21

        
          

        

      

      
        
        

      

    

    (D)
       the
      Registrar receives the following:

     

    (i) if
      the
      holder of such beneficial interest in a Restricted Global Note proposes to
      exchange such beneficial interest for a beneficial interest in an Unrestricted
      Global Note, a certificate from such holder in the form of Exhibit C hereto,
      including the certifications in item (1)(a) thereof; or

     

    (ii) if
      the
      holder of such beneficial interest in a Restricted Global Note proposes to
      transfer such beneficial interest to a Person who shall take delivery thereof
      in
      the form of a beneficial interest in an Unrestricted Global Note, a certificate
      from such holder in the form of Exhibit B hereto, including the certifications
      in item (4) thereof;

     

    and,
      in
      each such case set forth in this subparagraph (D), if the Registrar so requests
      or if the Applicable Procedures so require, an Opinion of Counsel in form
      reasonably acceptable to the Registrar to the effect that such exchange or
      transfer is in compliance with the Securities Act and that the restrictions
      on
      transfer contained herein and in the Private Placement Legend are no longer
      required in order to maintain compliance with the Securities Act.

     

    If
      any
      such transfer is effected pursuant to subparagraph (B) or (D) above at a time
      when an Unrestricted Global Note has not yet been issued, the Company shall
      issue and, upon receipt of an Authentication Order in accordance with Section
      2.2 hereof, the Trustee shall authenticate one or more Unrestricted Global
      Notes
      in an aggregate principal amount equal to the aggregate principal amount of
      beneficial interests transferred pursuant to subparagraph (B) or (D)
      above.

     

    Beneficial
      interests in an Unrestricted Global Note cannot be exchanged for, or transferred
      to Persons who take delivery thereof in the form of, a beneficial interest
      in a
      Restricted Global Note.

     

    (c) Transfer
      or Exchange of Beneficial Interests for Definitive Notes.

     

    (1) Beneficial
      Interests in Restricted Global Notes to Restricted Definitive
      Notes.
      If any
      holder of a beneficial interest in a Restricted Global Note proposes to exchange
      such beneficial interest for a Restricted Definitive Note or to transfer such
      beneficial interest to a Person who takes delivery thereof in the form of a
      Restricted Definitive Note, then, upon receipt by the Registrar of the following
      documentation:

     

    (A)
       if
      the holder of such beneficial interest in a Restricted Global Note proposes
      to
      exchange such beneficial interest for a Restricted Definitive Note, a
      certificate from such holder in the form of Exhibit C hereto, including the
      certifications in item (2)(a) thereof;

     

    (B)
       if
      such beneficial interest is being transferred to a QIB in accordance with Rule
      144A, a certificate to the effect set forth in Exhibit B hereto, including
      the
      certifications in item (1) thereof;

     

    (C)
       if
      such beneficial interest is being transferred to a Non-U.S. Person in an
      offshore transaction in accordance with Rule 903 or Rule 904, a certificate
      to
      the effect set forth in Exhibit B hereto, including the certifications in item
      (2) thereof;

     

    
      
        
        

      

      
        22

        
          

        

      

      
        
        

      

    

    (D)
       if
      such beneficial interest is being transferred pursuant to an exemption from
      the
      registration requirements of the Securities Act in accordance with Rule 144,
      a
      certificate to the effect set forth in Exhibit B hereto, including the
      certifications in item (3)(a) thereof;

     

    (E)
       if
      such beneficial interest is being transferred to an Institutional Accredited
      Investor in reliance on an exemption from the registration requirements of
      the
      Securities Act other than those listed in subparagraphs (B) through (D) above,
      a
      certificate to the effect set forth in Exhibit B hereto, including the
      certifications, certificates and Opinion of Counsel required by item (3)
      thereof, if applicable;

     

    (F)
       if
      such beneficial interest is being transferred to the Company or any of its
      Subsidiaries, a certificate to the effect set forth in Exhibit B hereto,
      including the certifications in item (3)(b) thereof; or

     

    (G)
       if
      such beneficial interest is being transferred pursuant to an effective
      registration statement under the Securities Act, a certificate to the effect
      set
      forth in Exhibit B hereto, including the certifications in item (3)(c)
      thereof,

     

    the
      Trustee shall cause the aggregate principal amount of the applicable Global
      Note
      to be reduced accordingly pursuant to Section 2.4(i) hereof, and the Company
      shall execute and the Trustee shall authenticate and deliver to the Person
      designated in the instructions a Definitive Note in the appropriate principal
      amount. Any Definitive Note issued in exchange for a beneficial interest in
      a
      Restricted Global Note pursuant to this Section 2.4(c) shall be registered
      in
      such name or names and in such authorized denomination or denominations as
      the
      holder of such beneficial interest shall instruct the Registrar through
      instructions from the Depository and the Participant or Indirect Participant.
      The Trustee shall deliver such Definitive Notes to the Persons in whose names
      such Notes are so registered. Any Definitive Note issued in exchange for a
      beneficial interest in a Restricted Global Note pursuant to this Section
      2.4(c)(1) shall bear the Private Placement Legend and shall be subject to all
      restrictions on transfer contained therein.

     

    (2) Beneficial
      Interests in Restricted Global Notes to Unrestricted Definitive
      Notes.
      A holder
      of a beneficial interest in a Restricted Global Note may exchange such
      beneficial interest for an Unrestricted Definitive Note or may transfer such
      beneficial interest to a Person who takes delivery thereof in the form of an
      Unrestricted Definitive Note only if:

     

    (A)
       such
      exchange or transfer is effected pursuant to the Exchange Offer in accordance
      with the Registration Rights Agreement and the holder of such beneficial
      interest, in the case of an exchange, or the transferee, in the case of a
      transfer, certifies in the applicable Letter of Transmittal that it is not
      (i) a
      Broker-Dealer, (ii) a Person participating in the distribution of the Exchange
      Notes or (iii) a Person who is an affiliate (as defined in Rule 144) of the
      Company;

     

    (B)
       such
      transfer is effected pursuant to the Shelf Registration Statement in accordance
      with the Registration Rights Agreement;

     

    (C)
       such
      transfer is effected by a Broker-Dealer pursuant to the Exchange Offer
      Registration Statement in accordance with the Registration Rights Agreement;
      or

     

    
      
        
        

      

      
        23

        
          

        

      

      
        
        

      

    

    (D)
       the
      Registrar receives the following:

     

    (i) if
      the
      holder of such beneficial interest in a Restricted Global Note proposes to
      exchange such beneficial interest for an Unrestricted Definitive Note, a
      certificate from such holder in the form of Exhibit C hereto, including the
      certifications in item (1)(b) thereof; or

     

    (ii) if
      the
      holder of such beneficial interest in a Restricted Global Note proposes to
      transfer such beneficial interest to a Person who shall take delivery thereof
      in
      the form of an Unrestricted Definitive Note, a certificate from such holder
      in
      the form of Exhibit B hereto, including the certifications in item (4)
      thereof;

     

    and,
      in
      each such case set forth in this subparagraph (D), if the Registrar so requests
      or if the Applicable Procedures so require, an Opinion of Counsel in form
      reasonably acceptable to the Registrar to the effect that such exchange or
      transfer is in compliance with the Securities Act and that the restrictions
      on
      transfer contained herein and in the Private Placement Legend are no longer
      required in order to maintain compliance with the Securities Act.

     

    (3) Beneficial
      Interests in Unrestricted Global Notes to Unrestricted Definitive
      Notes.
      If any
      holder of a beneficial interest in an Unrestricted Global Note proposes to
      exchange such beneficial interest for a Definitive Note or to transfer such
      beneficial interest to a Person who takes delivery thereof in the form of a
      Definitive Note, then, upon satisfaction of the conditions set forth in Section
      2.4(b)(2) hereof, the Trustee will cause the aggregate principal amount of
      the
      applicable Global Note to be reduced accordingly pursuant to Section 2.4(i)
      hereof, and the Company will execute and the Trustee will authenticate and
      deliver to the Person designated in the instructions a Definitive Note in the
      appropriate principal amount. Any Definitive Note issued in exchange for a
      beneficial interest pursuant to this Section 2.4(c)(3) will be registered in
      such name or names and in such authorized denomination or denominations as
      the
      holder of such beneficial interest requests through instructions to the
      Registrar from or through the Depository and the Participant or Indirect
      Participant. The Trustee will deliver such Definitive Notes to the Persons
      in
      whose names such Notes are so registered. Any Definitive Note issued in exchange
      for a beneficial interest pursuant to this Section 2.4(c)(3) will not bear
      the
      Private Placement Legend.

     

    (d) Transfer
      and Exchange of Definitive Notes for Beneficial Interests.

     

    (1) Restricted
      Definitive Notes to Beneficial Interests in Restricted Global
      Notes.
      If any
      Holder of a Restricted Definitive Note proposes to exchange such Note for a
      beneficial interest in a Restricted Global Note or to transfer such Restricted
      Definitive Note to a Person who takes delivery thereof in the form of a
      beneficial interest in a Restricted Global Note, then, upon receipt by the
      Registrar of the following documentation:

     

    (A)
       if
      the Holder of such Restricted Definitive Note proposes to exchange such Note
      for
      a beneficial interest in a Restricted Global Note, a certificate from such
      Holder in the form of Exhibit C hereto, including the certifications in item
      (2)(b) thereof;

     

    (B)
       if
      such Restricted Definitive Note is being transferred to a QIB in accordance
      with
      Rule 144A, a certificate to the effect set forth in Exhibit B hereto, including
      the certifications in item (1) thereof;

     

    
      
        
        

      

      
        24

        
          

        

      

      
        
        

      

    

    (C)
       if
      such Restricted Definitive Note is being transferred to a Non-U.S. Person in
      an
      offshore transaction in accordance with Rule 903 or Rule 904, a certificate
      to
      the effect set forth in Exhibit B hereto, including the certifications in item
      (2) thereof;

     

    (D)
       if
      such Restricted Definitive Note is being transferred pursuant to an exemption
      from the registration requirements of the Securities Act in accordance with
      Rule
      144, a certificate to the effect set forth in Exhibit B hereto, including the
      certifications in item (3)(a) thereof;

     

    (E)
       if
      such Restricted Definitive Note is being transferred to an Institutional
      Accredited Investor in reliance on an exemption from the registration
      requirements of the Securities Act other than those listed in subparagraphs
      (B)
      through (D) above, a certificate to the effect set forth in Exhibit B hereto,
      including the certifications, certificates and Opinion of Counsel required
      by
      item (3) thereof, if applicable;

     

    (F)
       if
      such Restricted Definitive Note is being transferred to the Issuer or any of
      its
      Subsidiaries, a certificate to the effect set forth in Exhibit B hereto,
      including the certifications in item (3)(b) thereof; or

     

    (G)
       if
      such Restricted Definitive Note is being transferred pursuant to an effective
      registration statement under the Securities Act, a certificate to the effect
      set
      forth in Exhibit B hereto, including the certifications in item (3)(c)
      thereof,

     

    the
      Trustee will cancel the Restricted Definitive Note, increase or cause to be
      increased the aggregate principal amount of, in the case of clause (A) above,
      the appropriate Restricted Global Note, in the case of clause (B) above, the
      144A Global Note, in the case of clause (C) above, the Regulation S Global
      Note,
      and in all other cases, the IAI Global Note.

     

    (2) Restricted
      Definitive Notes to Beneficial Interests in Unrestricted Global
      Notes.
      A Holder
      of a Restricted Definitive Note may exchange such Note for a beneficial interest
      in an Unrestricted Global Note or transfer such Restricted Definitive Note
      to a
      Person who takes delivery thereof in the form of a beneficial interest in an
      Unrestricted Global Note only if:

     

    (A)
       such
      exchange or transfer is effected pursuant to the Exchange Offer in accordance
      with the Registration Rights Agreement and the Holder, in the case of an
      exchange, or the transferee, in the case of a transfer, certifies in the
      applicable Letter of Transmittal that it is not (i) a Broker-Dealer, (ii) a
      Person participating in the distribution of the Exchange Notes or (iii) a Person
      who is an affiliate (as defined in Rule 144) of the Company;

     

    (B)
       such
      transfer is effected pursuant to the Shelf Registration Statement in accordance
      with the Registration Rights Agreement;

     

    (C)
       such
      transfer is effected by a Broker-Dealer pursuant to the Exchange Offer
      Registration Statement in accordance with the Registration Rights Agreement;
      or

     

    (D)
       the
      Registrar receives the following:

     

    (i) if
      the
      Holder of such Definitive Notes proposes to exchange such Notes for a beneficial
      interest in the Unrestricted Global Note, a certificate from such Holder in
      the
      form of Exhibit C hereto, including the certifications in item (1)(c) thereof;
      or

     

    
      
        
        

      

      
        25

        
          

        

      

      
        
        

      

    

    (ii) if
      the
      Holder of such Definitive Notes proposes to transfer such Notes to a Person
      who
      shall take delivery thereof in the form of a beneficial interest in the
      Unrestricted Global Note, a certificate from such Holder in the form of Exhibit
      B hereto, including the certifications in item (4) thereof;

     

    and,
      in
      each such case set forth in this subparagraph (D), if the Registrar so requests
      or if the Applicable Procedures so require, an Opinion of Counsel in form
      reasonably acceptable to the Registrar to the effect that such exchange or
      transfer is in compliance with the Securities Act and that the restrictions
      on
      transfer contained herein and in the Private Placement Legend are no longer
      required in order to maintain compliance with the Securities Act.

     

    Upon
      satisfaction of the conditions of any of the subparagraphs in this Section
      2.4(d)(2), the Trustee will cancel the Definitive Notes and increase or cause
      to
      be increased the aggregate principal amount of the Unrestricted Global
      Note.

     

    (3) Unrestricted
      Definitive Notes to Beneficial Interests in Unrestricted Global
      Notes.
      A Holder
      of an Unrestricted Definitive Note may exchange such Note for a beneficial
      interest in an Unrestricted Global Note or transfer such Definitive Notes to
      a
      Person who takes delivery thereof in the form of a beneficial interest in an
      Unrestricted Global Note at any time. Upon receipt of a request for such an
      exchange or transfer, the Trustee will cancel the applicable Unrestricted
      Definitive Note and increase or cause to be increased the aggregate principal
      amount of one of the Unrestricted Global Notes.

     

    If
      any
      such exchange or transfer from a Definitive Note to a beneficial interest is
      effected pursuant to subparagraphs (2)(B), (2)(D) or (3) above at a time when
      an
      Unrestricted Global Note has not yet been issued, the Company will issue and,
      upon receipt of an Authentication Order in accordance with Section 2.2 hereof,
      the Trustee will authenticate one or more Unrestricted Global Notes in an
      aggregate principal amount equal to the principal amount of Definitive Notes
      so
      transferred.

     

    (e) Transfer
      and Exchange of Definitive Notes for Definitive Notes.
      Upon
      request by a Holder of Definitive Notes and such Holder’s compliance with the
      provisions of this Section 2.4(e), the Registrar will register the transfer
      or
      exchange of Definitive Notes. Prior to such registration of transfer or
      exchange, the requesting Holder must present or surrender to the Registrar
      the
      Definitive Notes duly endorsed or accompanied by a written instruction of
      transfer in form satisfactory to the Registrar duly executed by such Holder
      or
      by its attorney, duly authorized in writing. In addition, the requesting Holder
      must provide any additional certifications, documents and information, as
      applicable, required pursuant to the following provisions of this Section
      2.4(e).

     

    (1) Restricted
      Definitive Notes to Restricted Definitive Notes.
      Any
      Restricted Definitive Note may be transferred to and registered in the name
      of
      Persons who take delivery thereof in the form of a Restricted Definitive Note
      if
      the Registrar receives the following:

     

    (A)
       if
      the transfer will be made pursuant to Rule 144A, then the transferor must
      deliver a certificate in the form of Exhibit B hereto, including the
      certifications in item (1) thereof;

     

    (B)
       if
      the transfer will be made pursuant to Rule 903 or Rule 904, then the transferor
      must deliver a certificate in the form of Exhibit B hereto, including the
      certifications in item (2) thereof; and

     

    
      
        
        

      

      
        26

        
          

        

      

      
        
        

      

    

    (C)
       if
      the transfer will be made pursuant to any other exemption from the registration
      requirements of the Securities Act, then the transferor must deliver a
      certificate in the form of Exhibit B hereto, including the certifications,
      certificates and Opinion of Counsel required by item (3) thereof, if
      applicable.

     

    (2) Restricted
      Definitive Notes to Unrestricted Definitive Notes.
      Any
      Restricted Definitive Note may be exchanged by the Holder thereof for an
      Unrestricted Definitive Note or transferred to a Person or Persons who take
      delivery thereof in the form of an Unrestricted Definitive Note if:

     

    (A)
       such
      exchange or transfer is effected pursuant to the Exchange Offer in accordance
      with the Registration Rights Agreement and the Holder, in the case of an
      exchange, or the transferee, in the case of a transfer, certifies in the
      applicable Letter of Transmittal that it is not (i) a Broker-Dealer, (ii) a
      Person participating in the distribution of the Exchange Notes or (iii) a Person
      who is an affiliate (as defined in Rule 144) of the Company;

     

    (B)
       any
      such transfer is effected pursuant to the Shelf Registration Statement in
      accordance with the Registration Rights Agreement;

     

    (C)
       any
      such transfer is effected by a Broker-Dealer pursuant to the Exchange Offer
      Registration Statement in accordance with the Registration Rights Agreement;
      or

     

    (D)
       the
      Registrar receives the following:

     

    (i) if
      the
      Holder of such Restricted Definitive Notes proposes to exchange such Notes
      for
      an Unrestricted Definitive Note, a certificate from such Holder in the form
      of
      Exhibit C hereto, including the certifications in item (1)(d) thereof;
      or

     

    (ii) if
      the
      Holder of such Restricted Definitive Notes proposes to transfer such Notes
      to a
      Person who shall take delivery thereof in the form of an Unrestricted Definitive
      Note, a certificate from such Holder in the form of Exhibit B hereto, including
      the certifications in item (4) thereof;

     

    and,
      in
      each such case set forth in this subparagraph (D), if the Registrar so requests,
      an Opinion of Counsel in form reasonably acceptable to the Registrar to the
      effect that such exchange or transfer is in compliance with the Securities
      Act
      and that the restrictions on transfer contained herein and in the Private
      Placement Legend are no longer required in order to maintain compliance with
      the
      Securities Act.

     

    (3) Unrestricted
      Definitive Notes to Unrestricted Definitive Notes.
      A Holder
      of Unrestricted Definitive Notes may transfer such Notes to a Person who takes
      delivery thereof in the form of an Unrestricted Definitive Note. Upon receipt
      of
      a request to register such a transfer, the Registrar shall register the
      Unrestricted Definitive Notes pursuant to the instructions from the Holder
      thereof.

     

    (f) Exchange
      Offer.
      Upon the
      occurrence of the Exchange Offer in accordance with the Registration Rights
      Agreement, the Company will issue and, upon receipt of an Authentication Order
      in accordance with Section 2.2 hereof, the Trustee will
      authenticate:

     

    (1) one
      or more Unrestricted Global Notes in an aggregate principal amount equal to
      the
      principal amount of the beneficial interests in the Restricted Global Notes
      accepted for 

     

    
      
        
        

      

      
        27

        
          

        

      

      
        
        

      

    

    exchange
      in the Exchange Offer by Persons that certify in the applicable Letters of
      Transmittal that (A) they are not Broker-Dealers, (B) they are not participating
      in a distribution of the Exchange Notes and (C) they are not affiliates (as
      defined in Rule 144) of the Company; and 

     

    (2) Unrestricted
      Definitive Notes in an aggregate principal amount equal to the principal amount
      of the Restricted Definitive Notes accepted for exchange in the Exchange Offer
      by Persons that certify in the applicable Letters of Transmittal that (A) they
      are not Broker-Dealers, (B) they are not participating in a distribution of
      the
      Exchange Notes and (C) they are not affiliates (as defined in Rule 144) of
      the
      Company. 

     

    Concurrently
      with the issuance of such Notes, the Trustee will cause the aggregate principal
      amount of the applicable Restricted Global Notes to be reduced accordingly,
      and
      the Company will execute and the Trustee will authenticate and deliver to the
      Persons designated by the Holders of Definitive Notes so accepted Unrestricted
      Definitive Notes in the appropriate principal amount.

     

    (g) Legends.
      The
      following legends will appear on the face of all Global Notes and Definitive
      Notes issued under this Indenture unless specifically stated otherwise in the
      applicable provisions of this Indenture.

     

    (1) Private
      Placement Legend.

     

    (A)
       Except
      as permitted by subparagraph (B) below, each Global Note and each Definitive
      Note (and all Notes issued in exchange therefor or substitution thereof) shall
      bear the legend in substantially the following form: 

     

    “THE
      SECURITY (OR ITS PREDECESSOR) EVIDENCED HEREBY WAS ORIGINALLY ISSUED IN A
      TRANSACTION EXEMPT FROM REGISTRATION UNDER SECTION 5 OF THE UNITED STATES
      SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND THE SECURITY
      EVIDENCED HEREBY MAY NOT BE OFFERED, SOLD OR OTHERWISE TRANSFERRED IN THE
      ABSENCE OF SUCH REGISTRATION OR AN APPLICABLE EXEMPTION THEREFROM. EACH
      PURCHASER OF THE SECURITY EVIDENCED HEREBY IS HEREBY NOTIFIED THAT THE SELLER
      MAY BE RELYING ON THE EXEMPTION FROM THE PROVISIONS OF SECTION 5 OF THE
      SECURITIES ACT PROVIDED BY RULE 144A THEREUNDER. THE HOLDER OF THE SECURITY
      EVIDENCED HEREBY AGREES FOR THE BENEFIT OF THE ISSUER THAT (A) SUCH
      SECURITY MAY BE RESOLD, PLEDGED OR OTHERWISE TRANSFERRED, ONLY (1)(a) INSIDE
      THE
      UNITED STATES TO A PERSON WHOM THE SELLER REASONABLY BELIEVES IS A QUALIFIED
      INSTITUTIONAL BUYER (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT)
      PURCHASING FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL
      BUYER IN A TRANSACTION MEETING THE REQUIREMENTS OF RULE 144A UNDER THE
      SECURITIES ACT, (b) OUTSIDE THE UNITED STATES TO A FOREIGN PERSON IN A
      TRANSACTION MEETING THE REQUIREMENTS OF RULE 903 OR RULE 904 OF REGULATION
      S
      UNDER THE SECURITIES ACT, (c) PURSUANT TO AN EXEMPTION FROM REGISTRATION
      UNDER THE SECURITIES ACT PROVIDED BY RULE 144 THEREUNDER (IF APPLICABLE) OR
      (d) IN ACCORDANCE WITH ANOTHER EXEMPTION FROM THE REGISTRATION REQUIREMENTS
      OF THE SECURITIES ACT (AND BASED UPON AN OPINION OF COUNSEL ACCEPTABLE TO THE
      ISSUER IF THE ISSUER SO REQUESTS), (2) TO THE ISSUER OR (3) PURSUANT
      TO AN EFFECTIVE REGISTRATION STATEMENT AND, IN EACH CASE, IN ACCORDANCE WITH
      ANY
      APPLICABLE SECURITIES LAWS OF ANY STATE OF THE UNITED STATES OR ANY OTHER
      APPLICABLE JURISDICTION AND (B) THE HOLDER WILL, AND EACH SUBSEQUENT HOLDER
      IS REQUIRED TO, NOTIFY ANY PURCHASER OF THE SECURITY EVIDENCED HEREBY OF

     

    
      
        
        

      

      
        28

        
          

        

      

      
        
        

      

    

    THE
      RESALE RESTRICTIONS SET FORTH IN CLAUSE (A) ABOVE. NO REPRESENTATION CAN BE
      MADE AS TO THE AVAILABILITY OF THE EXEMPTION PROVIDED BY RULE 144 FOR RESALE
      OF
      THE SECURITY EVIDENCED HEREBY.”

     

    (B)
       Notwithstanding
      the foregoing, any Global Note or Definitive Note issued pursuant to
      subparagraphs (b)(4), (c)(2), (c)(3), (d)(2), (d)(3), (e)(2), (e)(3) or (f)
      of
      this Section 2.4 (and all Notes issued in exchange therefor or substitution
      thereof) will not bear the Private Placement Legend.

     

    (2) Global
      Note Legend.
      Each
      Global Note will bear a legend in substantially the following form:

     

    “THIS
      GLOBAL NOTE IS HELD BY THE DEPOSITORY (AS DEFINED IN THE INDENTURE GOVERNING
      THIS NOTE) OR ITS NOMINEE IN CUSTODY FOR THE BENEFIT OF THE BENEFICIAL OWNERS
      HEREOF, AND IS NOT TRANSFERABLE TO ANY PERSON UNDER ANY CIRCUMSTANCES EXCEPT
      THAT (1) THE TRUSTEE MAY MAKE SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT
      TO SECTION 2.4 OF THE INDENTURE, (2) THIS GLOBAL NOTE MAY BE EXCHANGED IN WHOLE
      BUT NOT IN PART PURSUANT TO SECTION 2.4(h) OF THE INDENTURE, (3) THIS GLOBAL
      NOTE MAY BE DELIVERED TO THE TRUSTEE FOR CANCELLATION PURSUANT TO SECTION 2.12
      OF THE INDENTURE AND (4) THIS GLOBAL NOTE MAY BE TRANSFERRED TO A SUCCESSOR
      DEPOSITORY WITH THE PRIOR WRITTEN CONSENT OF IRON MOUNTAIN NOVA SCOTIA FUNDING
      COMPANY (THE “ISSUER”).

     

    UNLESS
      AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN DEFINITIVE FORM,
      THIS
      NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITORY TO A NOMINEE
      OF
      THE DEPOSITORY OR BY A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR ANOTHER
      NOMINEE OF THE DEPOSITORY OR BY THE DEPOSITORY OR ANY SUCH NOMINEE TO A
      SUCCESSOR DEPOSITORY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITORY. UNLESS THIS
      CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF CDS
      CLEARING AND DEPOSITORY SERVICES INC.
      (“CDS”),
      TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT,
      AND ANY CERTIFICATE ISSUED IN RESPECT THEREOF IS REGISTERED IN THE NAME OF
      CDS
& CO. OR SUCH OTHER NAME AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE
      OF CDS (AND ANY PAYMENT IS MADE TO CDS & CO. OR SUCH OTHER ENTITY AS MAY BE
      REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF CDS), ANY TRANSFER, PLEDGE OR
      OTHER
      USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH
      AS
      THE REGISTERED OWNER HEREOF, CDS & CO., HAS AN INTEREST HEREIN. THIS
      CERTIFICATE IS ISSUED PURSUANT TO A MASTER LETTER OF REPRESENTATIONS OF THE
      ISSUER TO CDS, AS SUCH LETTER MAY BE REPLACED OR AMENDED FROM TIME TO
      TIME.”

     

    (h) Authentication
      of Definitive Notes in Absence of Depository.
      If at
      any time:

     

    (i)     the
      Issuer determines that the Depository is no longer willing or able to properly
      discharge its responsibilities as Depository and the Issuer in unable to locate
      a qualified successor,

     

    
      
        
        

      

      
        29

        
          

        

      

      
        
        

      

    

    (ii)     the
      Issuer at its option elects to terminate the book-entry system through the
      Depository, or

     

    (iii)     it
      is
      required by law, 

     

    then
      the
      Issuer shall execute, and the Trustee shall, upon receipt of an Authentication
      Order in accordance with Section 2.2 hereof, authenticate and deliver,
      Definitive Notes to each person the Depository identifies as a beneficial owner
      of the related Notes in an aggregate principal amount equal to the principal
      amount of such Global Notes in exchange for such Global Notes.

     

    (i) Cancellation
      and/or Adjustment of Global Notes.
      At such
      time as all beneficial interests in a particular Global Note have been exchanged
      for Definitive Notes or beneficial interests in other Global Notes or a
      particular Global Note has been redeemed, repurchased or canceled in whole
      and
      not in part, each such Global Note shall be returned to or retained and canceled
      by the Trustee in accordance with Section 2.12 of the Indenture. At any time
      prior to such cancellation, if any beneficial interest in the Global Notes
      is
      exchanged for or transferred to a Person who will take delivery thereof in
      the
      form of a beneficial interest in another Global Note or for Definitive Notes,
      the principal amount of Notes represented by the Global Note shall be reduced
      accordingly and an endorsement shall be made on the Global Note by the Trustee
      or by the Depository at the direction of the Trustee to reflect such reduction;
      and if the beneficial interest is being exchanged for or transferred to a Person
      who will take delivery thereof in the form of a beneficial interest in another
      Global Note, such other Global Note shall be increased accordingly and an
      endorsement shall be made on such Global Note by the Trustee or by the
      Depository at the direction of the Trustee to reflect such increase.

     

    (j) General
      Provisions Relating to Transfers and Exchanges.

     

    (i)
           To
      permit
      registrations of transfers and exchanges, the Issuer shall execute and the
      Trustee shall authenticate Global Notes and Definitive Notes upon receipt of
      an
      Authentication Order in accordance with Section 2.2 hereof or at the Registrar’s
      request; provided,
      however,
      that
      Definitive Notes shall only be issued when one or more of the conditions of
      Section 2.4(h)(i)-(iii) have been satisfied.

     

    (ii)
           No
      service charge shall be made to a Holder of a Global Note or to a Holder of
      a
      Definitive Note for any registration of transfer or exchange, but the Issuer
      may
      require payment of a sum sufficient to cover any transfer tax or similar
      governmental charge payable in connection therewith (other than any such
      transfer taxes or similar governmental charge payable upon exchange or transfer
      pursuant to Section 2.4 hereof).

     

    (iii)     All
      Global Notes and Definitive Notes issued upon any registration of transfer
      or
      exchange of Global Notes or Definitive Notes shall be the valid obligations
      of
      the Issuer, evidencing the same debt, and entitled to the same benefits under
      the Sixth Supplemental Indenture and the Indenture, as the Global Notes or
      Definitive Notes surrendered upon such registration of transfer or
      exchange.

     

    (iv)     The
      Issuer
      shall not be required to register the transfer of or to exchange a Note between
      a record date and the next succeeding interest payment date.

     

    
      
        
        

      

      
        30

        
          

        

      

      
        
        

      

    

    (v)     Prior
      to
      due presentment for the registration of a transfer of any Note, the Trustee,
      any
      Agent, the Issuer and any Guarantor may deem and treat the Person in whose
      name
      any Note is registered as the absolute owner of such Note for all purposes,
      including receiving payment of principal of and interest on such Notes, and
      neither the Trustee, any Agent, the Issuer nor any Guarantor shall be affected
      by notice to the contrary.

     

    (vi)     The
      Trustee shall authenticate Definitive Notes and the Global Notes in accordance
      with the provisions of Section 2.2 hereof
      and Section 2.3 of the Indenture.

     

    (vii)    All
      certifications, certificates and Opinions of Counsel required to be submitted
      to
      the Registrar pursuant to this Section 2.4 to effect a registration of transfer
      or exchange may be submitted by facsimile.

     

    (viii)    The
      registered Holder of a Definitive Note shall be permitted to transfer the
      Definitive Note upon payment of any taxes incidental thereto by executing the
      form of transfer provided on the reverse side of the Definitive
      Note.

     

    Section
      2.5. Redemption.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, the
      following Sections supplement Article III of the Indenture:

     

    §
      3.7. Optional
      Redemption.

     

    Prior
      to
      March 15, 2012, the Notes shall be subject to redemption at any time at the
      option of the Issuer, in whole or in part, upon not less than 10 nor more than
      60 days’ notice, at the CAD Make-Whole Price, plus accrued and unpaid
      interest and Additional Interest and Additional Tax Amounts, if any, to but
      excluding the applicable redemption date. On and after March 15, 2012, the
      Notes
      shall be subject to redemption at any time at the option of the Issuer, in
      whole
      or in part, upon not less than 10 nor more than 60 days’ notice, at the
      redemption price (expressed as percentages of principal amount) set forth below,
      plus accrued and unpaid interest and Additional Interest and Additional Tax
      Amounts, if any, to but excluding the applicable redemption date, if redeemed
      during the 12-month period beginning on March 15 of the years indicated below:
      

     

    
      	
              Year

            	
              Percentage

            
	 	 
	
              2012

            	
              103.750%

            
	
              2013

            	
              102.500%

            
	
              2014

            	
              101.250%

            
	
              2015
                and thereafter

            	
              100.000%

            
	 	 

    

    

    Notwithstanding
      the foregoing, at any time prior to March 15, 2010 the Issuer may on any one
      or
      more occasions redeem the Notes at a redemption price of 107.500% of the
      principal amount thereof, plus accrued and unpaid interest, and Additional
      Interest and
      Additional Tax Amounts, if any,
      to the
      redemption date, with the net cash proceeds of one or more Qualified Equity
      Offerings; provided
      that:

     

    
      
        
        

      

      
        31

        
          

        

      

      
        
        

      

    

    
      	 	
              (1)

            	
              at
                least C$115.0 million in the aggregate principal amount of the Notes
                (including any Additional Notes) issued under the Indenture remains
                outstanding immediately after the occurrence of such redemption (excluding
                Notes held by the Company and the Company’s Subsidiaries); and
                

            

    

     

    
      	 	
              (2)

            	
              the
                redemption must occur within six months of the date of the closing
                of any
                such Qualified Equity Offering.

            

    

     

    
      	 	
              §
                3.8.

            	
              Redemption
                for Changes in Withholding Taxes.

            

    

     

    The
      Issuer may redeem the Notes, in whole but not in part, at its discretion at
      any
      time upon giving not less than 10 nor more than 60 days’ prior notice to
      the Holders (which notice shall be irrevocable and given in accordance with
      the
      procedures described in Section 10.2 of the Indenture), at a redemption price
      equal to the principal amount thereof, together with accrued and unpaid
      interest, if any, to the date fixed by the Company for redemption, (the “Tax
      Redemption Date”), and all Additional Interest and Additional Tax Amounts (if
      any) then due and which will become due on the Tax Redemption Date as a result
      of the redemption or otherwise (and in the case of Definitive Notes, subject
      to
      the right of Holders on the relevant record date to receive interest due on
      the
      relevant interest payment date and Additional Interest and Additional Tax
      Amounts (if any) in respect thereof), if on the next date on which any amount
      would be payable in respect of the Notes, the Issuer has or would be required
      to
      pay Additional Tax Amounts, and the Issuer cannot avoid any such payment
      obligation taking reasonable measures available, as a result of:

     

    (1) any
      change in, or amendment to, the laws or treaties (or any regulations, or rulings
      promulgated thereunder) of the relevant Tax Authority affecting Taxation which
      becomes effective on or after March 15, 2007 (or, if the relevant Tax Authority
      has changed since March 15, 2007, the date on which the then current Tax
      Authority became the applicable Tax Authority under the Indenture);
      or

     

    (2) any
      change in, or amendment to, the existing official position or the introduction
      of an official position regarding the application, administration or
      interpretation of such laws, treaties, regulations or rulings (including a
      holding, judgment or order by a court of competent jurisdiction or a change
      in
      published practice), and becomes effective on or after March 15, 2007 (or,
      if
      the relevant Tax Authority has changed since March 15, 2007, the date on which
      the then current Tax Authority became the applicable Tax Authority under the
      Indenture).

     

    The
      Issuer shall not give any such notice of redemption earlier than 90 days
      prior to the earliest date on which the Issuer would be obligated to make such
      payment or withholding if a payment in respect of the Notes were then due.
      Prior
      to the publication or, where relevant, mailing of any notice of redemption
      of
      the Notes pursuant to the foregoing, the Issuer shall deliver to the Trustee
      (a) an Officers’ Certificate to the effect that the Issuer cannot avoid
      such obligation to pay Additional Tax Amounts by taking reasonable measures
      available to it and (b) an Opinion of Counsel to the effect that the Issuer
      will be obligated to pay Additional Tax Amounts as a result of an event
      described above.

     

    §
      3.9. Mandatory
      Redemption.

     

    The
      Issuer shall not be required to make mandatory redemption payments or sinking
      fund payments with respect to the Notes.

     

    
      
        
        

      

      
        32

        
          

        

      

      
        
        

      

    

    §
      3.10 Asset
      Sale Offers.

     

    In
      the
      event that the Company shall commence an Asset Sale Offer pursuant to Section
      4.17 hereof, it shall follow the procedures specified below:

     

    The
      Asset
      Sale Offer shall remain open for 20 Business Days after the Commencement Date
      relating to such Asset Sale Offer, except to the extent required to be extended
      by applicable law (as so extended, the “Offer Period”). No later than one
      Business Day after the termination of the Offer Period (the “Purchase Date”),
      the Company shall purchase the principal amount (the “Offer Amount”) of Notes
      required to be purchased in such Asset Sale Offer pursuant to Sections 3.2
      and
      4.17 hereof or, if less than the Offer Amount has been tendered, all Notes
      tendered in response to the Asset Sale Offer. 

     

    If
      the
      Purchase Date is on or after an interest payment record date and on or before
      the related interest payment date, any interest accrued to such Purchase Date
      shall be paid to the Person in whose name a Note is registered at the close
      of
      business on such record date, and no Additional Interest shall be payable to
      Holders who tender Notes pursuant to the Asset Sale Offer.

     

    On
      the
      Commencement Date of any Asset Sale Offer, the Company shall send or cause
      to be
      sent, by first class mail, a notice to each of the Holders, with a copy to
      the
      Trustee. Such notice, which shall govern the terms of the Asset Sale Offer,
      shall contain all instructions and materials necessary to enable the Holders
      to
      tender Notes pursuant to the Asset Sale Offer and shall state:

     

    
      	 	
              (1)

            	
              that
                the Asset Sale Offer is being made pursuant to this Section 3.10
                and
                Section 4.17 hereof and the length of time the Asset Sale Offer shall
                remain open;

            

    

     

    
      	 	
              (2)

            	
              the
                Offer Amount, the purchase price and the Purchase
                Date;

            

    

     

    
      	 	
              (3)

            	
              that
                any Note not tendered or accepted for payment shall continue to accrue
                interest;

            

    

     

    
      	 	
              (4)

            	
              that,
                unless the Company defaults in the payment of the purchase price,
                any Note
                accepted for payment pursuant to the Asset Sale Offer shall cease
                to
                accrue interest after the Purchase
                Date;

            

    

     

    
      	 	
              (5)

            	
              that
                Holders electing to have a Note purchased pursuant to any Asset Sale
                Offer
                shall be required to surrender the Note, with the form entitled “Option of
                Holder to Elect Purchase” on the reverse of the Note completed, to the
                Company, a Depository, if appointed by the Company, or a Paying Agent
                at
                the address specified in the notice prior to the close of business
                on the
                Business Day preceding the Purchase
                Date;

            

    

     

    
      	 	
              (6)

            	
              that
                Holders shall be entitled to withdraw their election if the Company,
                Depository or Paying Agent, as the case may be, receives, not later
                than
                the close of business on the Business Day preceding the termination
                of the
                Offer Period, a facsimile transmission or letter setting forth the
                name of
                the Holder, the principal amount of the Note the Holder delivered
                for
                purchase and a statement that such Holder is withdrawing such Holder’s
                election to have the Note
                purchased;

            

    

     

    
      	 	
              (7)

            	
              that,
                if the aggregate principal amount of Notes surrendered by Holders
                exceeds
                the Offer Amount, the Trustee shall select the Notes to be purchased
                on a
                pro
                rata
                basis (with such adjustments as may be deemed to be appropriate by
                the
                

            

    

     

    
      
        
        

      

      
        33

        
          

        

      

      
        
        

      

    

    Company
      so that only Notes in denominations of C$1,000, or integral multiples thereof,
      shall be purchased); and

     

    
      	 	
              (8)

            	
              that
                Holders whose Notes were purchased only in part shall be issued new
                Notes
                equal in principal amount to the unpurchased portion of the Notes
                surrendered.

            

    

     

    On
      or
      before 12:00 noon on each Purchase Date, the Company shall irrevocably deposit
      with the Trustee or Paying Agent in immediately available funds the aggregate
      purchase price with respect to a principal amount of Notes equal to the Offer
      Amount, together with accrued interest thereon, to be held for payment in
      accordance with the terms of this Section 3.10. On the Purchase Date, the
      Company shall, to the extent lawful, (i) accept for payment, on a pro
      rata
      basis to
      the extent necessary, an aggregate principal amount equal to the Offer Amount
      of
      Notes and other notes (in accordance with the terms of Section 4.17 of the
      Indenture) tendered pursuant to the Asset Sale Offer, or if less than the Offer
      Amount has been tendered, all Notes and such other notes or portions thereof
      tendered, (ii) deliver or cause the Paying Agent or Depository, as the case
      may
      be, to deliver to the Trustee Notes so accepted and (iii) deliver to the Trustee
      an Officers’ Certificate stating that such Notes or portions thereof were
      accepted for payment by the Company in accordance with the terms of this Section
      3.10. The Company, Depository or Paying Agent, as the case may be, shall
      promptly (but in any case not later than three Business Days after the Purchase
      Date) mail or deliver to each tendering Holder an amount equal to the purchase
      price with respect to the Notes tendered by such Holder and accepted by the
      Company for purchase, and the Company shall promptly issue a new Note, and
      the
      Trustee shall authenticate and mail or deliver such new Note, to such Holder,
      equal in principal amount to any unpurchased portion of such Holder’s Notes
      surrendered. Any Note not accepted in the Asset Sale Offer shall be promptly
      mailed or delivered by the Company to the Holder thereof. The Company shall
      publicly announce in a newspaper of general circulation the results of the
      Asset
      Sale Offer on the Purchase Date.

     

    The
      Asset
      Sale Offer shall be made by the Company in compliance with all applicable laws,
      including, without limitation, Regulation 14E of the Exchange Act and the rules
      thereunder, to the extent applicable, and all other applicable federal and
      state
      securities laws.

     

    Each
      purchase pursuant to this Section 3.10 shall be made pursuant to the provisions
      of Sections 3.1 through 3.6 hereof to the extent applicable.

     

    In
      the
      event the amount of Excess Proceeds to be applied to an Asset Sale Offer would
      result in the purchase of a principal amount of Notes which is not evenly
      divisible by C$1,000, the Trustee shall promptly refund to the Company the
      portion of such Excess Proceeds that is not necessary to purchase the
      immediately lesser principal amount of Notes that is so divisible. 

     

    Section
      2.6. Additional
      Covenants.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Sections
      2.6(a) through 2.6(n) are added to Article IV of the Indenture.

     

    (a) Restricted
      Payments.

     

    §4.8.
      Restricted
      Payments.
      The
      Company shall not, and shall not permit any of its Restricted Subsidiaries
      to,
      directly or indirectly: 

     

    
      	 	
              (1)

            	
              declare
                or pay any dividend or make any distribution on account of the Company’s
                or any of its Restricted Subsidiaries’ Equity Interests (other than
                dividends or distributions payable in Equity Interests (other than
                Disqualified Stock) of the 

            

    

     

    
      
        
        

      

      
        34

        
          

        

      

      
        
        

      

    

    Company
      or such Restricted Subsidiary or dividends or distributions payable to the
      Company or any Restricted Subsidiary); 

     

    
      	 	
              (2)

            	
              purchase,
                redeem or otherwise acquire or retire for value any Equity Interests
                of
                the Company or any Restricted Subsidiary or other Affiliate of the
                Company
                (other than any such Equity Interests owned by the Company or any
                Restricted Subsidiary); 

            

    

     

    
      	 	
              (3)

            	
              purchase,
                redeem or otherwise acquire or retire prior to scheduled maturity for
                value any Indebtedness that is subordinated in right of payment to
                the
                Notes; or 

            

    

     

    
      	 	
              (4)

            	
              make
                any Investment other than a Permitted Investment (all such payments
                and
                other actions set forth in clauses (1) through (4) above being
                collectively referred to as “Restricted
                Payments”);
                

            

    

     

    unless,
      at the time of such Restricted Payment:

     

    (i)
           no
      Default or Event of Default shall have occurred and be continuing or would
      occur
      as a consequence thereof; and 

     

    (ii)     the
      Company would, at the time of such Restricted Payment and after giving pro
      forma
      effect thereto, have been permitted to incur at least $1.00 of additional
      Indebtedness pursuant to the test set forth in the first paragraph of Section
      4.9 of the Indenture; and 

     

    (iii)     such
      Restricted Payment, together with the aggregate of all other Restricted Payments
      made by the Company and its Restricted Subsidiaries after the 1996 Indenture
      Date is less than (x) the cumulative EBITDA of the Company, minus 1.75
      times the cumulative Consolidated Interest Expense of the Company, in each
      case
      for the period (taken as one accounting period) from June 30, 1996, to the
      end of the Company’s most recently ended fiscal quarter for which internal
      financial statements are available at the time of such Restricted Payment,
      plus
      (y) the aggregate net Equity Proceeds received by the Company from the
      issuance or sale since the 1996 Indenture Date of Equity Interests of the
      Company or of debt securities of the Company that have been converted into
      such
      Equity Interests (other than Equity Interests or convertible debt securities
      sold to a Restricted Subsidiary of the Company and other than Disqualified
      Stock
      or debt securities that have been converted into Disqualified Stock), plus
      (z) $2.0 million. 

     

    The
      foregoing provisions will not prohibit: 

     

    
      	 	
              (1)

            	
              the
                payment of any dividend within 60 days after the date of declaration
                thereof, if at said date of declaration such payment would have complied
                with the provisions of the Indenture;

            

    

     

    
      	 	
              (2)

            	
              the
                redemption, repurchase, retirement or other acquisition or retirement
                for
                value of any Equity Interests of the Company in exchange for, or
                with the
                net cash proceeds of, the substantially concurrent sale (other than
                to a
                Restricted 

            

    

     

    
      
        
        

      

      
        35

        
          

        

      

      
        
        

      

    

    Subsidiary
      of the Company) of other Equity Interests of the Company (other than any
      Disqualified Stock); 

     

    
      	 	
              (3)

            	
              the
                defeasance, redemption, repurchase, retirement or other acquisition
                or
                retirement for value of Indebtedness that is subordinated in right
                of
                payment to the Notes in exchange for, or with the net cash proceeds
                of, a
                substantially concurrent issuance and sale (other than to a Restricted
                Subsidiary of the Company) of Equity Interests of the Company (other
                than
                Disqualified Stock); 

            

    

     

    
      	 	
              (4)

            	
              the
                defeasance, redemption, repurchase, retirement or other acquisition
                or
                retirement for value of Indebtedness that is subordinated in right
                of
                payment to the Notes in exchange for, or with the net cash proceeds
                of, a
                substantially concurrent issue and sale (other than to the Company
                or any
                of its Restricted Subsidiaries) of Refinancing Indebtedness;
                

            

    

     

    
      	 	
              (5)

            	
              the
                repurchase of any Indebtedness subordinated in right of payment to
                the
                Notes at a purchase price not greater than 101% of the principal
                amount of
                such Indebtedness in the event of a Change of Control in accordance
                with
                provisions similar to the covenant set forth in Section 4.18 of the
                Indenture, provided that prior to or contemporaneously with such
                repurchase the Issuer has made the Change of Control Offer as provided
                in
                such covenant with respect to the Notes and has repurchased all Notes
                validly tendered for payment in connection with such Change of Control
                Offer; and 

            

    

     

    
      	 	
              (6)

            	
              additional
                payments to current or former employees or directors of the Company
                for
                repurchases of stock, stock options or other Equity Interests, provided
                that the aggregate amount of all such payments under this clause (6)
                does not exceed $0.5 million in any year and $2.0 million in the
                aggregate. 

            

    

     

    The
      Restricted Payments described in clauses (2), (3), (5) and (6) of the
      immediately preceding paragraph shall be Restricted Payments that shall be
      permitted to be taken in accordance with such paragraph but shall reduce the
      amount that would otherwise be available for Restricted Payments under
      clause (iii) of the first paragraph of this Section, and the Restricted
      Payments described in clauses (1) and (4) of the immediately preceding
      paragraph shall be Restricted Payments that shall be permitted to be taken
      in
      accordance with such paragraph and shall not reduce the amount that would
      otherwise be available for Restricted Payments under clause (iii) of the
      first paragraph of this Section. 

     

    If
      an
      Investment results in the making of a Restricted Payment, the aggregate amount
      of all Restricted Payments deemed to have been made as calculated under the
      foregoing provision shall be reduced by the amount of any net reduction in
      such
      Investment (resulting from the payment of interest or dividends, loan repayment,
      transfer of assets or otherwise) to the extent such net reduction is not
      included in the Company’s EBITDA; provided,
      however,
      that
      the total amount by which the aggregate amount of all Restricted Payments may
      be
      reduced may not exceed the lesser of (a) the cash proceeds received by the
      Company and its Restricted Subsidiaries in connection with such net reduction
      and (b) the initial amount of such Investment. In addition, for the
      avoidance of doubt and to avoid double counting, if an Investment results in
      the
      making of a Restricted Payment, then the subsequent assignment, contribution,
      distribution or other transfer of such Investment by the Company or any
      Restricted Subsidiary of the Company to any Excluded Restricted Subsidiary
      or
      Unrestricted Subsidiary shall not be considered a new Investment or Restricted
      Payment and shall not further reduce the amount that would otherwise be
      available for Restricted Payments under clause (iii) of the first paragraph
      of
      this Section. 

     

    
      
        
        

      

      
        36

        
          

        

      

      
        
        

      

    

    If
      the
      aggregate amount of all Restricted Payments calculated under the foregoing
      provision includes an Investment in an Unrestricted Subsidiary or other Person
      that thereafter becomes a Restricted Subsidiary, such Investment will no longer
      be counted as a Restricted Payment for purposes of calculating the aggregate
      amount of Restricted Payments. 

     

    For
      the
      purpose of making any Restricted Payment calculations under the Indenture:
      

     

    
      	 	
              (1)

            	
              Investments
                shall include the fair market value of the net assets of any Restricted
                Subsidiary at the time that such Restricted Subsidiary is designated
                an
                Unrestricted Subsidiary and shall exclude the fair market value of
                the net
                assets of any Unrestricted Subsidiary that is designated as a Restricted
                Subsidiary, in each case with fair market value determined by the
                Board of
                Directors in good faith and, for the avoidance of doubt, such inclusions
                and exclusions will not be limited by the amount of any Investment
                or
                aggregate Investments; 

            

    

     

    
      	 	
              (2)

            	
              any
                asset or property transferred to or from an Unrestricted Subsidiary
                shall
                be valued at fair market value at the time of such transfer, provided
                that, in each case, the fair market value of an asset or property
                is as
                determined by the Board of Directors in good faith and, for the avoidance
                of doubt, the fair market value (as so determined) of such asset
                of
                property shall be subtracted from (in the case of a transfer to an
                Unrestricted Subsidiary) or added to (in the case of a transfer from
                an
                Unrestricted Subsidiary) the calculation under clause (iii) of the
                first
                paragraph of this Section; and 

            

    

     

    
      	 	
              (3)

            	
              subject
                to the foregoing, the amount of any Restricted Payment, if other
                than
                cash, shall be determined by the Board of Directors, whose good faith
                determination shall be conclusive. 

            

    

     

    The
      Board
      of Directors may designate a Restricted Subsidiary to be an Unrestricted
      Subsidiary in compliance with Section 4.15 of the Indenture. Upon such
      designation, all outstanding Investments by the Company and its Restricted
      Subsidiaries (except to the extent repaid in cash) in the Subsidiary so
      designated will be deemed to be Restricted Payments made at the time of such
      designation and will reduce the amount available for Restricted Payments under
      the first paragraph of this covenant. Such designation will only be permitted
      if
      such Restricted Payment would be permitted at such time and if such Restricted
      Subsidiary otherwise meets the definition of an Unrestricted Subsidiary.

     

    (b) Incurrence
      of Indebtedness and Issuance of Preferred Stock.

     

    §4.9.
      Incurrence
      of Indebtedness and Issuance of Preferred Stock.
      The
      Company shall not, and shall not permit any of its Restricted Subsidiaries
      to,
      directly or indirectly, create, incur, issue, assume, guaranty or otherwise
      become directly or indirectly liable with respect to (collectively, “incur”) any
      Indebtedness (including Acquired Debt) and the Company shall not permit any
      of
      its Restricted Subsidiaries to issue any shares of preferred stock; provided,
      however, that the Company may incur Indebtedness and may permit a Restricted
      Subsidiary to incur Indebtedness if at the time of such incurrence and after
      giving effect thereto the Leverage Ratio would be less than 6.5 to 1.0.

     

    The
      foregoing limitations shall not apply to: 

     

    
      	 	
              (1)

            	
              the
                incurrence by the Company or any Restricted Subsidiary of Senior
                Bank Debt
                in an aggregate amount not to exceed $100.0 million at any one time
                outstanding; 

            

    

     

    
      
        
        

      

      
        37

        
          

        

      

      
        
        

      

    

    
      	 	
              (2)

            	
              the
                issuance by the Company of the Company Guarantee or by the Restricted
                Subsidiaries of Subsidiary Guarantees of the Notes;
                

            

    

     

    
      	 	
              (3)

            	
              the
                incurrence by the Company and its Restricted Subsidiaries of the
                Existing
                Indebtedness; 

            

    

     

    
      	 	
              (4)

            	
              the
                issuance by the Issuer of the Notes;

            

    

     

    
      	 	
              (5)

            	
              the
                incurrence by the Company and its Restricted Subsidiaries of Capital
                Lease
                Obligations and/or additional Indebtedness constituting purchase
                money
                obligations up to an aggregate of $5.0 million at any one time
                outstanding, provided that the Liens securing such Indebtedness constitute
                Permitted Liens; 

            

    

     

    
      	 	
              (6)

            	
              the
                incurrence of Indebtedness between (i) the Company and its Restricted
                Subsidiaries and (ii) the Restricted Subsidiaries;
                

            

    

     

    
      	 	
              (7)

            	
              Hedging
                Obligations that are incurred for the purpose of fixing or hedging
                interest rate risk with respect to any floating rate Indebtedness
                that is
                permitted by the terms of the Indenture to be outstanding;
                

            

    

     

    
      	 	
              (8)

            	
              the
                incurrence by the Company and its Restricted Subsidiaries of Indebtedness
                arising out of letters of credit, performance bonds, surety bonds
                and
                bankers’ acceptances incurred in the ordinary course of business up to an
                aggregate of $5.0 million at any one time outstanding;
                

            

    

     

    
      	 	
              (9)

            	
              the
                incurrence by the Company and its Restricted Subsidiaries of Indebtedness
                consisting of guarantees, indemnities or obligations in respect of
                purchase price adjustments in connection with the acquisition or
                disposition of assets, including, without limitation, shares of Capital
                Stock; and 

            

    

     

    
      	 	
              (10)

            	
              the
                incurrence by the Company and its Restricted Subsidiaries of Refinancing
                Indebtedness issued in exchange for, or the proceeds of which are
                used to
                repay, redeem, defease, extend, refinance, renew, replace or refund,
                Indebtedness referred to in clauses (2) through (5) above, and
                this clause (10) or that was otherwise permitted to be incurred
                pursuant to the test set forth in the first paragraph of this Section
                4.9.

            

    

     

    (c) Liens.

     

    §4.10.
      Liens.
      Neither
      the Company nor any of its Restricted Subsidiaries may directly or indirectly
      create, incur, assume or suffer to exist any Lien (other than a Permitted Lien)
      upon any property or assets now owned or hereafter acquired, or any income,
      profits or proceeds therefrom, or assign or otherwise convey any right to
      receive income therefrom, unless (a) in the case of any Lien securing any
      Indebtedness that is subordinate to the Notes, the Notes are secured by a Lien
      on such property, assets or proceeds that is senior in priority to such Lien
      and
      (b) in the case of any other Lien, the Notes are equally and ratably
      secured with the obligation or liability secured by such Lien. 

     

    (d) Dividend
      and Other Payment Restrictions Affecting Restricted
      Subsidiaries.

     

    §4.11.
      Dividend
      and Other Payment Restrictions Affecting Restricted Subsidiaries.
      The
      Company shall not, and shall not permit any of its Restricted Subsidiaries
      to,
      directly or indirectly, create 

     

    
      
        
        

      

      
        38

        
          

        

      

      
        
        

      

    

    or
      otherwise cause or suffer to exist or become effective any encumbrance or
      restriction on the ability of any Restricted Subsidiary to: 

     

    
      	 	
              (1)

            	
              (i) pay
                dividends or make any other distributions to the Company or any of
                its
                Restricted Subsidiaries (A) on its Capital Stock or (B) with
                respect to any other interest or participation in, or measured by,
                its
                profits, or (ii) pay any Indebtedness owed to the Company or any of
                its Restricted Subsidiaries; 

            

    

     

    
      	 	
              (2)

            	
              make
                loans or advances to the Company or any of its Restricted Subsidiaries;
                or
                

            

    

     

    
      	 	
              (3)

            	
              transfer
                any of its properties or assets to the Company or any of its Restricted
                Subsidiaries. 

            

    

     

    However,
      the preceding restrictions will not apply to encumbrances or restrictions
      existing under or by reason of: 

     

    
      	 	
              (1)

            	
              Existing
                Indebtedness; 

            

    

     

    
      	 	
              (2)

            	
              the
                Credit Agreement as in effect as of the date of the Indenture, and
                any
                amendments, modifications, restatements, renewals, increases, supplements,
                refundings, replacements or refinancing thereof, provided that such
                amendments, modifications, restatements, renewals, increases, supplements,
                refundings, replacements or refinancings are no more restrictive
                in the
                aggregate with respect to such dividend and other payment restrictions
                than those contained in the Credit Agreement as in effect on the
                date of
                the Indenture; 

            

    

     

    
      	 	
              (3)

            	
              the
                Indenture and the Notes; 

            

    

     

    
      	 	
              (4)

            	
              applicable
                law; 

            

    

     

    
      	 	
              (5)

            	
              any
                instrument governing Indebtedness or Capital Stock of a Person acquired
                by
                the Company or any of its Restricted Subsidiaries as in effect at
                the time
                of such acquisition (except to the extent such Indebtedness was incurred
                in connection with or in contemplation of such acquisition), which
                encumbrance or restriction is not applicable to any Person, or the
                properties or assets of any Person, other than the Person, or the
                property
                or assets of the Person, so acquired, provided that the EBITDA of
                such
                Person is not taken into account in determining whether such acquisition
                was permitted by the terms of the Indenture;

            

    

     

    
      	 	
              (6)

            	
              customary
                non-assignment provisions in leases entered into in the ordinary
                course of
                business and consistent with past practices;

            

    

     

    
      	 	
              (7)

            	
              restrictions
                on the transfer of property subject to purchase money obligations
                or
                Capital Lease Obligations otherwise permitted by clause (5) of
                Section 4.9 of the Indenture; 

            

    

     

    
      	 	
              (8)

            	
              permitted
                Refinancing Indebtedness, provided that the restrictions contained
                in the
                agreements governing such Refinancing Indebtedness are no more restrictive
                in the aggregate than those contained in the agreements governing
                the
                Indebtedness being refinanced; or 

            

    

     

    
      
        
        

      

      
        39

        
          

        

      

      
        
        

      

    

    
      	 	
              (9)

            	
              any
                agreement or instrument governing Indebtedness of an Excluded Restricted
                Subsidiary provided that (i) at the time such agreement or instrument
                is entered into, such Excluded Restricted Subsidiary and its Restricted
                Subsidiaries have a Leverage Ratio of less than 6.5 to 1.0 and
                (ii) neither such Excluded Restricted Subsidiary nor any of its
                Restricted Subsidiaries shall, directly or indirectly, incur any
                Indebtedness (including Acquired Debt) unless at the time of such
                incurrence and after giving effect thereto, the Leverage Ratio for
                such
                Excluded Restricted Subsidiary and its Restricted Subsidiaries would
                be
                less than 6.5 to 1.0. For purposes of determining the Leverage Ratio
                under
                this clause (9) only, all references to the “Company” and its
                “Restricted Subsidiaries” or similar references in the definition of
                “Leverage Ratio” and other defined terms necessary to determine the
                Leverage Ratio shall be deemed to refer to such Excluded Restricted
                Subsidiary and its Restricted Subsidiaries, respectively.
                

            

    

     

    (e) Transactions
      with Affiliates.

     

    §4.12.
      Transactions
      with Affiliates.
      The
      Company shall not, and shall not permit any of its Restricted Subsidiaries
      to,
      sell, lease, transfer or otherwise dispose of any of its properties or assets
      to, or purchase any property or assets from, or enter into any contract,
      agreement, understanding, loan, advance or guarantee with, or for the benefit
      of, any Affiliate (each of the foregoing, an “Affiliate Transaction”), unless:

     

    
      	 	
              (a)

            	
              such
                Affiliate Transaction is on terms that are no less favorable to the
                Company or the relevant Restricted Subsidiary than those that would
                have
                been obtained in a comparable transaction by the Company or such
                Restricted Subsidiary with a non-Affiliated Person; and
                

            

    

     

    
      	 	
              (b)

            	
              the
                Company delivers to the Trustee: 

            

    

     

    (i)
           with
      respect to any Affiliate Transaction involving aggregate payments in excess
      of
      $5.0 million, a resolution of the Board of Directors set forth in an
      Officers’ Certificate certifying that such Affiliate Transaction complies with
      clause (a) above and such Affiliate Transaction is approved by a majority
      of the disinterested members of the Board of Directors; and 

     

    (ii)     with
      respect to any Affiliate Transaction involving aggregate payments in excess
      of
      $10.0 million, an opinion as to the fairness to the Company or such
      Restricted Subsidiary from a financial point of view issued by an investment
      banking, appraisal or accounting firm of national standing. 

     

    The
      following items shall not be deemed Affiliate Transactions and therefore, will
      not be subject to the provisions of the prior paragraph: 

     

    
      	 	
              (1)

            	
              any
                employment agreement entered into by the Company or any of its Restricted
                Subsidiaries in the ordinary course of business and consistent with
                the
                past practice of the Company or such Restricted Subsidiary;
                

            

    

     

    
      	 	
              (2)

            	
              transactions
                between or among the Company and/or its Restricted Subsidiaries;
                

            

    

     

    
      	 	
              (3)

            	
              transactions
                permitted by the provisions of Section 4.8 of the Indenture; and
                

            

    

     

    
      
        
        

      

      
        40

        
          

        

      

      
        
        

      

    

    
      	 	
              (4)

            	
              the
                grant of stock, stock options or other Equity Interests to employees
                and
                directors of the Company and any Restricted Subsidiary in accordance
                with
                duly adopted Company stock grant, stock option and similar plans.
                

            

    

     

    The
      provisions set forth in clause (b) above shall not apply to sales of
      inventory by the Company or any Restricted Subsidiary to any Affiliate in the
      ordinary course of business. The provisions of clause (b) (ii) above
      shall not apply to loans or advances to the Company or any Restricted Subsidiary
      from, or equity investments in the Company or any Restricted Subsidiary by,
      any
      Affiliate to the extent permitted by the provisions of Section 4.9 of the
      Indenture. 

     

    (f) Certain
      Senior Subordinated Debt.

     

    §4.13.
      Certain
      Senior Subordinated Debt.
      The
      Company shall not incur any Indebtedness that is subordinated or junior in
      right
      of payment to any Senior Debt of the Company and senior in any respect in right
      of payment to the Company Guarantee of the Notes. The Company shall not permit
      any Restricted Subsidiary to incur any Indebtedness that is subordinated or
      junior in right of payment to its Senior Debt and senior in any respect in
      right
      of payment to its Subsidiary Guarantee. 

     

    (g) Additional
      Subsidiary Guarantees.

     

    §4.14.
      Additional
      Subsidiary Guarantees.
      If any
      entity (other than an Excluded Restricted Subsidiary) shall become a Restricted
      Subsidiary after the date of the Sixth Supplemental Indenture, then such
      Restricted Subsidiary shall execute a supplemental indenture in the form of
      Exhibit B attached hereto, pursuant to which it shall provide a Subsidiary
      Guarantee and deliver an Opinion of Counsel with respect thereto, in accordance
      with the terms of the Indenture.

     

    No
      Restricted Subsidiary (including any Excluded Restricted Subsidiary) shall
      consolidate (or, for the avoidance of doubt, amalgamate) with or merge with
      or
      into (whether or not such Restricted Subsidiary is the surviving Person),
      another Person (other than the Company) whether or not affiliated with such
      Restricted Subsidiary unless: 

     

    
      	 	
              (1)

            	
              subject
                to the provisions of the following paragraph, the Person formed by
                or
                surviving any such consolidation (or amalgamation) or merger (if
                other
                than such Restricted Subsidiary) assumes all the obligations of such
                Restricted Subsidiary under its Subsidiary Guarantee (except in the
                case
                of an Excluded Restricted Subsidiary) pursuant to a supplemental
                indenture
                in form and substance reasonably satisfactory to the Trustee;
                

            

    

     

    
      	 	
              (2)

            	
              immediately
                after giving effect to such transaction, no Default or Event of Default
                exists; and 

            

    

     

    
      	 	
              (3)

            	
              such
                Restricted Subsidiary, or any Person formed by or surviving any such
                consolidation (or amalgamation) or merger, would be permitted to
                incur,
                immediately after giving effect to such transaction, at least $1.00
                of
                additional Indebtedness pursuant to the test set forth in the first
                paragraph of Section 4.9 of the Indenture.

            

    

     

    In
      the
      event of: 

     

    
      	 	
              (1)

            	
              a
                sale or other disposition of all of the assets of any Restricted
                Subsidiary, by way of merger, consolidation (or amalgamation) or
                otherwise; 

            

    

     

    
      
        
        

      

      
        41

        
          

        

      

      
        
        

      

    

    
      	 	
              (2)

            	
              a
                sale or other disposition of all of the capital stock of any Restricted
                Subsidiary; or 

            

    

     

    
      	 	
              (3)

            	
              the
                designation of a Restricted Subsidiary as an Unrestricted Subsidiary
                in
                accordance with the terms of Section 4.15 of the
                Indenture,

            

    

     

    then
      such
      Restricted Subsidiary (in the event of a sale or other disposition, by way
      of
      such a merger, consolidation (or amalgamation) or otherwise, of all of the
      capital stock of such Restricted Subsidiary or in the event of the designation
      of such Restricted Subsidiary as an Unrestricted Subsidiary) or the Person
      acquiring the property (in the event of a sale or other disposition of all
      of
      the assets of such Restricted Subsidiary) will be released and relieved of
      any
      obligations under its Subsidiary Guarantee, provided that the Net Proceeds
      of
      such sale or other disposition are applied in accordance with the applicable
      provisions of Section 4.17 of the Indenture.

     

    (h) Designation
      of Unrestricted Subsidiaries.

     

    §4.15.
      Designation
      of Unrestricted Subsidiaries.
      The
      Board of Directors may designate any Subsidiary (including any Restricted
      Subsidiary or any newly acquired or newly formed Subsidiary) to be an
      Unrestricted Subsidiary so long as: 

     

    
      	 	
              (1)

            	
              neither
                the Company nor any Restricted Subsidiary is directly or indirectly
                liable
                for any Indebtedness of such Subsidiary;

            

    

     

    
      	 	
              (2)

            	
              no
                default with respect to any Indebtedness of such Subsidiary would
                permit
                (upon notice, lapse of time or otherwise) any holder of any other
                Indebtedness of the Company or any Restricted Subsidiary to declare
                a
                default on such other Indebtedness or cause the payment thereof to
                be
                accelerated or payable prior to its stated maturity;
                

            

    

     

    
      	 	
              (3)

            	
              any
                Investment in such Subsidiary deemed to be made as a result of designating
                such Subsidiary an Unrestricted Subsidiary will not violate the provisions
                of Section 4.8 of the Indenture;

            

    

     

    
      	 	
              (4)

            	
              neither
                the Company nor any Restricted Subsidiary has a contract, agreement,
                arrangement, understanding or obligation of any kind, whether written
                or
                oral, with such Subsidiary other than (A) those that might be
                obtained at the time from Persons who are not Affiliates of the Company
                or
                (B) administrative, tax sharing and other ordinary course contracts,
                agreements, arrangements and understandings or obligations entered
                into in
                the ordinary course of business; and

            

    

     

    
      	 	
              (5)

            	
              neither
                the Company nor any Restricted Subsidiary has any obligation to subscribe
                for additional shares of Capital Stock or other Equity Interests
                in such
                Subsidiary, or to maintain or preserve such Subsidiary’s financial
                condition or to cause such Subsidiary to achieve certain levels of
                operating results other than as permitted under Section 4.8 of the
                Indenture. 

            

    

     

    Notwithstanding
      the foregoing, the Company may not designate as an Unrestricted Subsidiary
      any
      Subsidiary which, on the 1999 Indenture Date, was a Significant Subsidiary,
      and
      may not sell, transfer or otherwise dispose of any properties or assets of
      any
      such Significant Subsidiary to an Unrestricted Subsidiary, other than in the
      ordinary course of business, in each case other than Iron Mountain Global,
      Inc.
      and its Subsidiaries (including, without limitation, Iron Mountain Europe
      Limited and its Subsidiaries). For the avoidance of doubt,
      the
      provisions of this Section
      4.15
      shall
      not limit or 

     

    
      
        
        

      

      
        42

        
          

        

      

      
        
        

      

    

    restrict
      the ability of any Restricted Subsidiary to sell, transfer or otherwise dispose
      of any properties or assets to any other Subsidiary, including any Unrestricted
      Subsidiary, to the extent such sale, transfer or other disposition is permitted
      by the provisions of the Indenture described under Section
      4.12 or Section 4.17.

     

    The
      Board
      of Directors may designate any Unrestricted Subsidiary as a Restricted
      Subsidiary; provided that such designation will be deemed to be an incurrence
      of
      Indebtedness by a Restricted Subsidiary of any outstanding Indebtedness of
      such
      Unrestricted Subsidiary and such designation will only be permitted if:

     

    
      	 	
              (1)

            	
              such
                Indebtedness is permitted under Section 4.9 of the Indenture; and
                

            

    

     

    
      	 	
              (2)

            	
              no
                Default or Event of Default would occur as a result of such designation.
                

            

    

     

    (i) Limitation
      on Sale and Leaseback Transactions.

     

    §4.16.
      Limitation
      on Sale and Leaseback Transactions.
      The
      Company will not, and will not permit any Restricted Subsidiary to, enter into
      any Sale and Leaseback Transaction unless: 

     

    
      	 	
              (1)

            	
              the
                consideration received in such Sale and Leaseback Transaction is
                at least
                equal to the fair market value of the property sold, as determined
                by a
                resolution of the Board of Directors; and

            

    

     

    
      	 	
              (2)

            	
              the
                Company or such Restricted Subsidiary could incur the Attributable
                Indebtedness in respect of such Sale and Leaseback Transaction in
                compliance with Section 4.9 of the Indenture.

            

    

     

    (j) Asset
      Sales.

     

    §4.17.
      Asset
      Sales.
      The
      Company shall not, and shall not permit any of its Restricted Subsidiaries
      to:

     

    
      	 	
              (1)

            	
              sell,
                lease, convey or otherwise dispose of any assets (including by way
                of a
                Sale and Leaseback Transaction, but excluding a Qualifying Sale and
                Leaseback Transaction) other than sales of inventory in the ordinary
                course of business (provided that the sale, lease, conveyance or
                other
                disposition of all or substantially all of the assets of the Company
                will
                be governed by the provisions of Section 4.18 of the Indenture and/or
                the
                provisions of Section 5.1 of the Indenture and not by the provisions
                of
                this Section 4.17); or 

            

    

     

    
      	 	
              (2)

            	
              issue
                or sell Equity Interests of any of its Restricted Subsidiaries
                

            

    

     

    that
      in
      the case of either clause (1) or (2) above, whether in a single
      transaction or a series of related transactions: 

     

    (i)
           have
      a
      fair market value in excess of $2.0 million; or 

     

    (ii)     result
      in
      Net Proceeds in excess of $2.0 million (each of the foregoing, an “Asset
      Sale”) unless (x) the Company (or the Restricted Subsidiary, as the case
      may be) receives consideration at the time of such Asset Sale at least equal
      to
      the fair market value (evidenced by an Officers’ Certificate delivered to the
      Trustee, and 

     

    
      
        
        

      

      
        43

        
          

        

      

      
        
        

      

    

    for
      Asset
      Sales having a fair market value or resulting in Net Proceeds in excess of
      $10.0 million, evidenced by a resolution of the Board of Directors set
      forth in an Officers’ Certificate delivered to the Trustee) of the assets sold
      or otherwise disposed of and (y) at least 75% of the consideration therefor
      received by the Company or such Restricted Subsidiary is in the form of cash
      or
      like-kind assets (in each case as determined in good faith by the Company,
      evidenced by a resolution of the Board of Directors and certified by an
      Officers’ Certificate delivered to the Trustee); 

     

    provided,
      however,
      that
      the amount of: 

     

    
      	 	
              (A)

            	
              any
                liabilities (as shown on the Company’s or such Restricted Subsidiary’s
                most recent balance sheet or in the notes thereto) of the Company
                or such
                Restricted Subsidiary (other than liabilities that are by their terms
                subordinated to the Notes or any Note Guarantee) that are assumed
                by the
                transferee of any such assets; and 

            

    

     

    
      	 	
              (B)

            	
              any
                notes or other obligations received by the Company or such Restricted
                Subsidiary from such transferee that are immediately converted by
                the
                Company or such Restricted Subsidiary into cash (to the extent of
                the cash
                received) or Cash Equivalents, 

            

    

     

    shall
      be
      deemed to be cash for purposes of this provision; and provided, further, that
      the 75% limitation referred
      to in the foregoing clause (ii) (y) shall not apply to any Asset Sale
      in which the cash portion of the consideration received therefrom is equal
      to or
      greater than what the after-tax proceeds would have been had such Asset Sale
      complied with the aforementioned
      75%
      limitation. For the avoidance of doubt, a disposition that constitutes a
      Restricted Payment will be governed by the provisions of Section
      4.8
      and
      not by this Section
      4.17.
      

     

    A
      transfer of assets or issuance of Equity Interests by the Company to a Wholly
      Owned Restricted Subsidiary or by a Wholly Owned Restricted Subsidiary to the
      Company or to another Wholly Owned Restricted Subsidiary will not be deemed
      to
      be an Asset Sale. 

     

    Within
      360 days of any Asset Sale, the Company may, at its option, apply an amount
      equal to the Net Proceeds from such Asset Sale either: 

     

    
      	 	
              (1)

            	
              to
                permanently reduce Senior Debt; or 

            

    

     

    
      	 	
              (2)

            	
              to
                an investment in a Restricted Subsidiary or in another business or
                capital
                expenditure or other long-term/tangible assets, in each case, in
                the same
                line of business as the Company or any of its Restricted Subsidiaries
                was
                engaged in on the date of the Sixth Supplemental Indenture or in
                businesses similar or reasonably related thereto.
                

            

    

     

    Pending
      the final application of any such Net Proceeds, the Company may temporarily
      reduce Senior Bank Debt or otherwise invest such Net Proceeds in any manner
      that
      is not prohibited by the Indenture. Any Net Proceeds from such Asset Sale that
      are not applied or invested as provided in the first sentence of this paragraph
      will be deemed to constitute “Excess Proceeds.” When the aggregate amount of
      Excess Proceeds exceeds $10.0 million, the Company shall make an offer to
      all Holders of the Notes, all holders of the 85⁄8% Notes, the 71⁄4% Notes, the 73⁄4%
      Notes, the 65⁄8% Notes, the 83⁄4% Notes, the 8% Notes and the 63⁄4% Notes, and the
      holders of any future Indebtedness ranking pari
      passu
      with the
      Notes, which Indebtedness contains similar provisions requiring the Company
      to
      repurchase such 

     

    
      
        
        

      

      
        44

        
          

        

      

      
        
        

      

    

    Indebtedness
      (an “Asset Sale Offer”), to purchase the maximum principal amount of Notes and
      such other Indebtedness that may be purchased out of the Excess Proceeds, at
      an
      offer price in cash in an amount equal to 100% of the principal amount thereof
      plus accrued and unpaid interest, if any, to the date of purchase, Additional
      Interest and Additional Tax Amounts, if any, in accordance with the procedures
      set forth in the Indenture. To the extent that the aggregate amount of Notes
      and
      other pari
      passu
      Indebtedness (including the 85⁄8% Notes, the 71⁄4% Notes, the 73⁄4% Notes, the 65⁄8%
      Notes, the 83⁄4 % Notes, the 8% Notes and the 63⁄4% Notes) tendered pursuant to an
      Asset Sale Offer is less than the Excess Proceeds, the Company may use any
      remaining Excess Proceeds for general corporate purposes. If the aggregate
      principal amount of Notes and such other Indebtedness surrendered by Holders
      thereof exceeds the amount of Excess Proceeds, the Trustee shall select the
      Notes and such other Indebtedness to be purchased on a pro rata basis. Upon
      completion of such offer to purchase, the amount of Excess Proceeds shall be
      reset at zero.

     

    The
      Company shall comply
      with the requirements of Rule 14e-1 under the Exchange Act and any other
      securities laws and regulations thereunder to the extent those laws and
      regulations are applicable in connection with each repurchase of Notes pursuant
      to an Asset Sale Offer. To the extent that the provisions of any securities
      laws
      or regulations conflict with the provisions of this Section 4.17, the Company
      shall comply with the applicable securities laws and regulations and shall
      not
      be deemed to have breached its obligations under the Asset Sale provisions
      of
      the Indenture by virtue of such conflict.

     

    An
      Asset
      Sale Offer shall be made pursuant to the provisions of Section 3.10 hereof.
      No
      later than the date which is five Business Days after the date on which the
      aggregate amount of Excess Proceeds exceeds $10.0 million, the Company shall
      notify the Trustee of such Asset Sale Offer and provide the Trustee with an
      Officers’ Certificate setting forth the calculations used in determining the
      amount of Net Proceeds to be applied to the purchase of Notes. The Company
      shall
      commence or cause to be commenced the Asset Sale Offer on a date no later than
      15 Business Days after such notice (the “Commencement Date”).

     

    (k) Change
      of Control Offer.

     

    §
      4.18. Change
      of Control Offer.

     

    (a) Upon
      the
      occurrence of a Change of Control, the Issuer shall repurchase all of each
      Holder’s Notes pursuant to the offer described below (the “Change of Control
      Offer”) at an offer price in cash equal to 101% of the aggregate principal
      amount thereof plus accrued and unpaid interest to but excluding the date of
      repurchase, and Additional Interest and Additional Tax Amounts, if any (the
      “Change of Control Payment”).

     

    Within
      30
      calendar days following any Change of Control, the Issuer shall mail a notice
      to
      each Holder, with a copy to the Trustee, stating: 

     

    
      	 	
              (1)

            	
              that
                the Change of Control Offer is being made pursuant to this Section
                4.18
                and that all Notes tendered shall be accepted for payment;
                

            

    

     

    
      	 	
              (2)

            	
              the
                purchase price and the purchase date, which shall be no earlier than
                30
                calendar days nor later than 60 calendar days from the date such
                notice is
                mailed (the “Change
                of Control Payment Date”);
                

            

    

     

    
      	 	
              (3)

            	
              that
                any Note not tendered shall continue to accrue interest;
                

            

    

     

    
      
        
        

      

      
        45

        
          

        

      

      
        
        

      

    

    
      	 	
              (4)

            	
              that,
                unless the Issuer defaults in the payment of the Change of Control
                Payment, all Notes accepted for payment pursuant to the Change of
                Control
                Offer shall cease to accrue interest on and after the Change of Control
                Payment Date; 

            

    

     

    
      	 	
              (5)

            	
              that
                Holders electing to have any Notes purchased pursuant to a Change
                of
                Control Offer shall be required to surrender the Notes, with the
                form
                entitled “Option of Holder to Elect Purchase” on the reverse of the Notes
                completed, to the Paying Agent at the address specified in such notice
                prior to the close of business on the fifth Business Day preceding
                the
                Change of Control Payment Date; 

            

    

     

    
      	 	
              (6)

            	
              that
                Holders will be entitled to withdraw their election if the Paying
                Agent
                receives, not later than the close of business on the second Business
                Day
                preceding the Change of Control Payment Date, facsimile transmission
                or
                letter setting forth the name of the Holder, the principal amount
                of Notes
                delivered for purchase, and a statement that such Holder is withdrawing
                its election to have such Notes purchased; and

            

    

     

    
      	 	
              (7)

            	
              that
                Holders whose Notes are being purchased only in part will be issued
                new
                Notes equal in principal amount to the unpurchased portion of the
                Notes
                surrendered, which unpurchased portion must be equal to C$1,000 in
                principal amount or an integral multiple thereof.
                

            

    

     

    The
      Issuer shall comply with the requirements of Rule 14e-1 under the Exchange
      Act and any other securities laws and regulations thereunder, to the extent
      such
      laws and regulations are applicable to the repurchase of the Notes in connection
      with a Change of Control. To the extent that the provisions of any securities
      laws or regulations conflict with this Section 4.18, the Issuer shall comply
      with the applicable securities laws and regulations and shall not be deemed
      to
      have breached its obligations under the Change of Control provisions of the
      Indenture or the Sixth Supplemental Indenture by virtue of such conflict.

     

    (b) On
      the
      Change of Control Payment Date, the Issuer shall, to the extent lawful:

     

    
      	 	
              (1)

            	
              accept
                for payment Notes or portions thereof tendered pursuant to the Change
                of
                Control Offer; 

            

    

     

    
      	 	
              (2)

            	
              deposit
                with the Paying Agent an amount equal to the Change of Control Payment
                in
                respect of all Notes or portions thereof so tendered; and
                

            

    

     

    
      	 	
              (3)

            	
              deliver
                or cause to be delivered to the Trustee the Notes so accepted together
                with an Officers’ Certificate stating the Notes or portions thereof
                tendered to the Issuer.

            

    

     

    The
      Paying Agent shall promptly mail to each Holder of Notes so accepted the Change
      of Control Payment for such Notes, and the Trustee shall promptly authenticate
      and mail to each Holder a new Note equal in principal amount to any unpurchased
      portion of the Notes surrendered, if any; provided that each such new Note
      shall
      be in a principal amount of C$1,000
      or an
      integral multiple thereof. Prior to complying with the provisions of this
      Section 4.18, but in any event within 90 calendar days following a Change of
      Control, the Company shall either repay all outstanding Senior Debt or obtain
      the requisite consents, if any, under all agreements governing outstanding
      Senior Debt to permit the repurchase of Notes required by this Section 4.18.
      The
      Company shall publicly announce in The Wall Street Journal, or if no longer
      published, a national newspaper of general circulation, the results of the
      Change of Control Offer on or as soon as practicable after the Change of Control
      Payment Date.

     

    
      
        
        

      

      
        46

        
          

        

      

      
        
        

      

    

    The
      Issuer shall not be required to make a Change of Control Offer upon a Change
      of
      Control if a third party, including the Company, makes the Change of Control
      Offer in the manner, at the times and otherwise in compliance with the
      requirements set forth in this Section 4.18 applicable to a Change of Control
      Offer made by the Issuer and purchases all Notes properly tendered and not
      withdrawn under the Change of Control Offer.

     

    (l) Changes
      in Covenants When Notes Rated Investment Grade.

     

    §
      4.19. Changes
      in Covenants When Notes Rated Investment Grade.

     

    If
      on any
      date following the date of this Sixth Supplemental Indenture:

     

    
      	 	
              (1)

            	
              at
                least two of the following events
                occur:

            

    

     

    
      	 	
              i.

            	
              the
                Notes are rated Baa3 or better by Moody’s Investors
                Service,

            

    

     

    
      	 	
              ii.

            	
              the
                Notes are rated BBB- or better by Standard & Poor’s Rating Group, a
                division of The McGraw-Hill Companies, Inc., or

            

    

     

    
      	 	
              iii.

            	
              the
                Notes rated BBB- or better by Fitch Ratings,
                Inc.,

            

    

     

    (or,
      if
      any such entity ceases to rate the Notes for reasons outside of the control
      of
      the Company, the equivalent investment grade credit rating from any other
“nationally recognized statistical rating organization” within the meaning of
      Rule 15c3-1(c)(2)(vi)(F) under the Exchange Act selected by the Company as
      a replacement agency); and

     

    
      	 	
              (2)

            	
              no
                Default or Event of Default shall have occurred and be
                continuing,

            

    

     

    then,
      beginning on that day and continuing at all times thereafter regardless of
      any
      subsequent changes in the rating of the Notes, Sections 3.10, 4.8, 4.9, 4.11,
      4.12, 4.15 and 4.17, clause (3) of Section 4.14, clause (2) of Section 4.16
      and
      clause (d) of Section 5.1 of the Indenture shall no longer be applicable to
      the
      Notes.

     

    (m) Additional
      Tax Amounts.

     

    §
      4.20. Additional
      Tax Amounts.

     

    All
      payments made by or on behalf of the Issuer under or with respect to the Notes
      or any of the Guarantors on its guarantee shall be made free and clear of and
      without withholding or deduction for, or on account of, any present or future
      Taxes imposed or levied by or on behalf of any jurisdiction in which the Issuer
      or any Guarantor (including any successor entity), is then incorporated or
      resident for tax purposes or any political subdivision thereof or therein (for
      avoidance of doubt, it being understood that tax residency for these purposes
      does not result from mere permanent establishments) (each of the foregoing,
      a
“Tax Authority”), unless the withholding or deduction of such Taxes is then
      required by law. If any deduction or withholding for, or on account of, any
      Taxes of any Tax Authority shall at any time be required to be made from or
      imposed directly on any Holder or beneficial owner of the Notes on any payments
      made by or on behalf of the Issuer under or with respect to the Notes or any
      of
      the Guarantors with respect to any guarantee, including payments of principal,
      redemption price, purchase price, interest, premium or Additional Interest,
      if
      any, the Issuer or the relevant Guarantor, as applicable, shall pay such
      additional amounts (the “Additional Tax Amounts”), as may be necessary in order
      that the net amounts received and retained in respect of such payments by each
      Holder or beneficial owner (including 

     

    
      
        
        

      

      
        47

        
          

        

      

      
        
        

      

    

    Additional
      Tax Amounts) after such withholding, deduction or imposition shall equal the
      respective amounts which would have been received and retained in respect of
      such payments in the absence of such withholding, deduction or imposition;
      provided,
      however,
      that no
      Additional Tax Amounts shall be payable with respect to:

     

    (a) any
      payments on a Note in respect of Taxes which would not have been imposed but
      for
      the Holder or the beneficial owner of the Note being, or having been, a citizen
      or resident or national of, incorporated in, or carrying on a business in the
      jurisdiction in which such Taxes are imposed other than by the mere holding
      of
      such Note or enforcement of rights thereunder or the receipt of payments in
      respect thereof;

     

    (b) any
      Taxes
      that are imposed or withheld as a result of the failure of the Holder of a
      Note
      or beneficial owner of a Note to satisfy any certification, identification,
      information or other reporting requirement, which is required or imposed by
      a
      statute, treaty, regulation or administrative practice of the relevant taxing
      jurisdiction as a precondition to exemption from all or part of such
      Taxes;

     

    (c) any
      Note
      presented for payment (where Notes are in physical, certificated form and
      presentation is required) more than 30 days after the relevant payment is first
      made available for payment to the Holder (except to the extent that the Holder
      would have been entitled to Additional Tax Amounts had the Note been presented
      on the last day of such 30 day period);

     

    (d) any
      estate, inheritance, gift, sale, transfer, personal property or similar Tax
      or
      assessment;

     

    (e) any
      Taxes
      payable otherwise than by way of deduction or withholding;

     

    (f) any
      person who is a fiduciary or partnership or any person other than the sole
      beneficial owner of such payment, to the extent that a beneficiary or settlor
      with respect to such fiduciary, a member of such partnership or the beneficial
      owner of such payment would not have been entitled to the Additional Tax Amounts
      had such beneficiary, settlor, member or beneficial owner been the actual holder
      of the Note;

     

    (g) any
      Holder of a Note or a beneficial owner of a Note that is or was a “10-percent
      shareholder” of the Company as defined in Section 871(h)(3) of the United
      States Internal Revenue Code of 1986, as amended (the “Code”), or any successor
      provision;

     

    (h) any
      Holder of a Note or a beneficial owner of a Note that is a bank receiving
      interest described in Section 881(c)(3)(A) of the Code; or

     

    (i) any
      combination of items (a) through (h) above.

     

    In
      addition to the foregoing, the Issuer and the Guarantors shall also pay any
      present or future stamp, transfer, court or documentary taxes, or any other
      excise or property taxes, charges or similar levies or Taxes which are levied
      by
      any Tax Authority on the execution, delivery, registration or enforcement of
      any
      of the Notes, the Indenture, any guarantee or any other document or instrument
      referred to therein or herein, or the receipt of any payments with respect
      to
      the Notes or the guarantees. The Issuer and the Guarantors shall not, however,
      be obligated to pay any present or future stamp, transfer, court or documentary
      tax, or any other excise or property tax, charge or similar levy or Tax which
      is
      levied by any Tax Authority in connection with any transfer of any Note by
      any
      Holder.

     

    
      
        
        

      

      
        48

        
          

        

      

      
        
        

      

    

    If
      the
      Issuer or any Guarantor, as the case may be, becomes aware that it shall be
      obligated to pay Additional Tax Amounts with respect to any payment under or
      with respect to the Notes or any guarantee, the Issuer or the relevant
      Guarantor, as the case may be, shall deliver to the Trustee on a date which
      is
      at least 30 days prior to the date of that payment (unless the obligation
      to pay Additional Tax Amounts arises after the 30th day prior to that payment
      date, in which case the Issuer or the relevant Guarantor shall notify the
      Trustee promptly thereafter) an Officers’ Certificate stating the fact that
      Additional Tax Amounts shall be payable and the amount estimated to be so
      payable. The Officers’ Certificate must also set forth any other information
      reasonably necessary to enable the Paying Agents to pay Additional Tax Amounts
      to Holders on the relevant payment date. The Issuer or the relevant Guarantor
      shall provide the Trustee with documentation reasonably satisfactory to the
      Trustee evidencing the payment of Additional Tax Amounts.

     

    The
      Issuer or the relevant Guarantor shall make all required withholdings and
      deductions and shall remit the full amount deducted or withheld to the relevant
      Tax Authority in accordance with applicable law. The Issuer or the relevant
      Guarantor shall use commercially reasonable efforts to facilitate administrative
      actions necessary to assist beneficial owners to obtain any refund of or credit
      against Taxes for which Additional Tax Amounts are not paid as a result of
      the
      conditions in the proviso to the first paragraph of this Section
      4.20.

     

    In
      the
      event that either the Issuer or the relevant Guarantor has become, or would
      be,
      obliged to pay on the next date on which any amount would be payable under
      or
      with respect to the Notes, any Additional Tax Amounts as a result of certain
      changes affecting the laws relating to withholding or deduction of Taxes, the
      Issuer may redeem all, but not less than all, the Notes in accordance with
      Section 3.8.

     

    Whenever
      in the Indenture there is mentioned, in any context, the payment of amounts
      based upon the principal amount of the Notes or of principal, interest,
      Additional Interest or of any other amount payable under, or with respect to,
      any of the Notes, such mention shall be deemed to include mention of the payment
      of Additional Tax Amounts to the extent that, in such context, Additional Tax
      Amounts are, were or would be payable in respect thereof.

     

    (n) Release
      of Company and Subsidiary Guarantees and Guarantors.

     

    §
      4.21. Release
      of Company and Subsidiary Guarantees and Guarantors.

     

    (a)
      If:

     

    (1) the
      Company sells or otherwise disposes, by way of a merger, consolidation or
      otherwise, all the capital stock or all or substantially all of the assets
      of
      the Issuer to an unaffiliated third party, 

     

    (2) the
      Note Guarantees (and, in the case of the disposition of all or substantially
      all
      of the assets of the Issuer, the Notes) are assumed by such third party and
      

     

    (3) the
      Company elects to make an irrevocable offer for all of each Holder's notes
      at an
      offer price in cash equal to 101% of the aggregate principal amount thereof
      plus
      accrued and unpaid interest to but excluding the date of repurchase, and
      Additional Interest and Additional Tax Amounts, if any, 

     

    then
      the
      Company and the Subsidiary Guarantors will be unconditionally released and
      relieved of any obligations under the Note Guarantees and under the Indenture
      with respect to the Notes (and, in the case of the disposition of all or
      substantially all of the assets of the Issuer, the Issuer will also be released
      and 

     

    
      
        
        

      

      
        49

        
          

        

      

      
        
        

      

    

    relieved
      of any obligations in respect of the Notes). The Company shall not be obligated
      to make such offer. Any such offer, if made, will be made substantially on
      the
      terms and conditions set forth in Section 4.18 of the Indenture.

     

    (b)
      The
      release of the Company and the Subsidiary Guarantors (and, in the case of the
      disposition of all or substantially all of the assets of the Issuer, the Issuer)
      will be subject to the satisfaction of the following additional conditions:
      

     

    (1) such
      third party must be a corporation organized or existing under the laws of the
      United States, any state thereof or the District of Columbia, or of Canada
      or
      any province thereof, 

     

    (2) such
      third party must have assumed all the obligations of the Company and the
      Subsidiary Guarantors under the Note Guarantees and the Indenture with respect
      to the Notes (and, in the case of the disposition of all or substantially all
      of
      the assets of the Issuer, the third party must also have assumed the obligations
      of the Issuer in respect of the Notes) pursuant to a supplemental indenture
      in a
      form reasonably satisfactory to the Trustee, 

     

    (3) immediately
      after such acquisition, no Default or Event of Default exists, and 

     

    (4) such
      third party will, at the time of such acquisition and giving effect thereto,
      be
      permitted to incur at least $1.00 of additional indebtedness pursuant to the
      test set forth in the first paragraph of Section 4.9 of the
      Indenture.

     

    Section
      2.7. Replacement
      of Certain References in the Indenture.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, the
      Indenture shall be amended as follows:

     

    (a)
      All references to “Subsidiary Guarantee” or “Subsidiary Guarantees” shall be
      replaced with references to “Note Guarantee” and “Note Guarantees,”
respectively, and

     

    (b)
      Except as otherwise provided herein, all references to “the Company,” “the
      Company’s” and “Company Order” shall be replaced with references to “the
      Issuer,” “the Issuer’s” and “Issuer Order,” respectively, for Articles II, III
      and XIII and the following Sections: 4.4, 6.1(d), 6.3-6.6, 6.9, 7.1(f), 7.4,
      7.7, 7.8, 8.1-8.3, 8.4(d) and (f), 8.5-8.7, 9.1, 9.2, 9.6, 10.2-10.4, 10.8,
      10.12, 10.15, 10.16, 11.2, 11.3, 12.1 and 12.2.

     

    Section
      2.8. Provisions
      Regarding Incorporation by Reference of Trust Indenture Act.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, the
      definition of “obligor” under Section 1.3 of the Indenture shall be amended and
      restated with the following:

     

    “obligor”
      on the indenture securities means the Issuer, the Guarantors, if any, and any
      successor obligor upon the Securities or any Note Guarantee, as the case may
      be.

     

    Section
      2.9. Amend,
      Restate and Replace Provision Regarding Payment of Principal and
      Interest. 

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Section
      4.1
      of the Indenture is amended, restated and replaced in its entirety by the
      following:

     

    
      
        
        

      

      
        50

        
          

        

      

      
        
        

      

    

    §
      4.1. Payment
      of Principal and Interest.

     

    The
      Issuer covenants and agrees for the benefit of the Holders of the Notes that
      it
      will duly and punctually pay the principal of, interest, Additional Interest
      or
      Additional Tax Amounts, if any, on the Notes in accordance with the terms
      thereof and this Indenture. The Issuer will pay all Additional Interest, if
      any,
      in the same manner on the dates and in the amounts set forth in the Registration
      Rights Agreement.

    

    Section
      2.10. Provisions
      Regarding Successors. 

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Section
      5.1(b) of the Indenture is hereby amended and restated in its entirety with
      the
      following:

     

    (b) the
      Person formed by or surviving any such consolidation or merger (if other than
      the Company) or the Person to which such sale, assignment, transfer, lease,
      conveyance or other disposition shall have been made assumes all the obligations
      of the Company under the Securities of a Series, the supplemental indentures
      applicable to such Series, the Indenture and the Registration Rights Agreement
      (pursuant to a supplemental indenture in a form reasonably satisfactory to
      the
      Trustee);

    

    Section
      2.11. Events
      of Default.

     

    Section
      6.1 of the Indenture is amended with regard to this Sixth Supplemental Indenture
      and the Notes issued hereunder (i) by deleting the $10.0 million threshold
      in
      Sections 6.1(e)(ii) and 6.1(f) and substituting in lieu thereof the threshold
      of
      $50.0 million and (ii) by deleting references to “the Company” in Sections
      6.1(c) and 6.1(d) and replacing them with “the Issuer.” Section 6.1 of the
      Indenture is further amended with regard to this Sixth Supplemental Indenture
      by
      deleting Sections 6.1(a), 6.1(g), 6.1(h) and 6.1(i) of the Indenture and
      replacing them in their entirety with the following, respectively:

     

    (a)
      default for 30 days in the payment when due of interest or Additional Interest
      or Additional Tax Amounts, if any, on any Security of that Series (whether
      or
      not prohibited by the subordination provisions of Article XIII of the
      Indenture);

     

    (g)
      the
      Issuer, the Company or any of its Restricted Subsidiaries that is a Significant
      Subsidiary:

     

    (i)
      commences a voluntary case,

     

    (ii)
      consents to the entry of an order for relief against it in an involuntary
      case,

     

    (iii)
      consents to the appointment of a Custodian of it or for all or substantially
      all
 of
      its
      property,

     

    (iv)
      makes a general assignment for the benefit of its creditors, or

     

    (v)
      admits in writing that it generally is unable to pay its debts as the same
       become
      due;

     

    in
      each
      case, pursuant to or within the meaning of any Bankruptcy Law; or

     

    
      
        
        

      

      
        51

        
          

        

      

      
        
        

      

    

    (h)
      a
      court of competent jurisdiction enters an order or decree under any Bankruptcy
      Law that:

     

    (1) is
      for relief against the Issuer, the Company or any of its Restricted Subsidiaries
      that is a Significant Subsidiary in an involuntary case,

     

    (2) appoints
      a Custodian of the Issuer, the Company or any of its Restricted Subsidiaries
      that is a Significant Subsidiary or for all or substantially all of its
      property, or

     

    (3) orders
      the liquidation of Issuer, the Company or any of its Restricted Subsidiaries
      that is a Significant Subsidiary, 

     

    and
      such
      order or decree remains unstayed and in effect for 60 days; 

     

    (i)
      except as permitted by the Indenture or the Note Guarantees, any Note Guarantee
      shall be held in any judicial proceeding to be unenforceable or invalid or
      shall
      cease for any reason to be in full force and effect, or the Company or any
      Restricted Subsidiary or any person acting on behalf of the Company or any
      Restricted Subsidiary shall deny or disaffirm in writing its obligations under
      its Guarantee.

     

    Section
      2.12. Acceleration
      of Maturity.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Section
      6.2
      is hereby amended, restated and replaced in its entirety by the
      following

     

    §6.2
       Acceleration
      of Maturity:

     

    If
      any
      Event of Default (other than an Event of Default specified in clauses (g) and
      (h) of Section 6.1 of the Indenture relating to the Issuer, the Company or
      any
      of its Restricted Subsidiaries that is a Significant Subsidiary) occurs and
      is
      continuing, the Trustee by notice to the Issuer or the Holders of at least
      25%
      in principal amount of the then outstanding Securities of a Series by notice
      to
      the Issuer and the Trustee may declare the unpaid principal of and any interest,
      Additional Interest or Additional Tax Amounts on all the Securities of that
      Series (or, if any Securities of that Series are Discount Securities, such
      portion of the principal amount as may be specified in the terms of such
      Securities) to be due and payable immediately; provided, however, that if any
      Obligation with respect to Senior Bank Debt is outstanding pursuant to the
      Credit Agreement upon a declaration of acceleration of the Securities of a
      Series, the principal, premium or Additional Tax Amounts, in any and interest
      on
      such Securities will not be payable until the earlier of:

     

    (a)
      the
      day which is five Business Days after written notice of acceleration is received
      by the Company and the Credit Agent or

     

    (b)
      the
      date of acceleration of the Indebtedness under the Credit Agreement. If an
      Event
      of Default specified in clauses (g) and (h) of Section 6.1 of the Indenture
      with
      respect to the Issuer, the Company or any Restricted Subsidiary that is a
      Significant Subsidiary occurs, the principal of, and premium, Additional
      Interest or Additional Tax Amounts, if any, and any accrued and unpaid interest
      on all outstanding Securities of that Series will become immediately due and
      payable without further action or notice.

     

    In
      the
      event of a declaration of acceleration of the Securities of that Series because
      an Event of Default has occurred and is continuing as a result of the
      acceleration of any Indebtedness 

     

    
      
        
        

      

      
        52

        
          

        

      

      
        
        

      

    

    described
      in clause (e) of Section 6.1 of the Indenture, the declaration of acceleration
      of the Securities of that Series shall be automatically annulled if the holders
      of any Indebtedness described in such clause have rescinded the declaration
      of
      acceleration in respect of such Indebtedness within 30 days from the date
      of such declaration and if: 

     

    (A)
       the
      annulment of the acceleration of the Securities of that Series would not
      conflict with any judgment or decree of a competent jurisdiction and

     

    (B)
       all
      existing Events of Default, except non-payment of principal or interest on
      the
      Securities of that Series that became due solely because of the acceleration
      of
      such Securities, have been cured or waived.

     

    In
      the
      case of any Event of Default occurring by reason of any willful action (or
      inaction) taken (or not taken) by or on behalf of the Issuer or the Company
      with
      the intention of avoiding payment of any make whole price or premium, as
      applicable, that the Issuer or the Company would have had to pay if the Issuer
      or the Company then had elected to redeem the Securities of a Series pursuant
      to
      the optional redemption provisions of the Indenture, if any, the applicable
      make
      whole price, or an equivalent premium, as the case may be, shall become and
      be
      immediately due and payable to the extent permitted by law upon the acceleration
      of the Securities of that Series.

     

    Section
      2.13. Waiver
      of Past Defaults.

     

    Section
      6.13 of the Indenture is amended with regard to this Sixth Supplemental
      Indenture and the Notes issued hereunder by deleting the first sentence thereof
      and replacing it in its entirety with the following:

     

    The
      Holders of not less than a majority in principal amount of the outstanding
      Notes
      may on behalf of the Holders of all the Notes waive any past Default or Event
      of
      Default and its consequences under the Indenture except a continuing Default
      or
      Event of Default in the payment of interest, Additional Interest or Additional
      Tax Amounts on, or the principal of, the Notes (provided, however, that the
      Holders of a majority in principal amount of the outstanding Notes may rescind
      an acceleration and its consequences, including any related payment default
      that
      resulted from such acceleration).

     

    Section
      2.14. Legal
      Defeasance and Covenant Defeasance.

     

    (a) Ability
      to Effect Legal Defeasance or Covenant Defeasance.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Article
      VIII of the Indenture shall apply, and the Issuer shall have the option to
      effect Legal Defeasance or Covenant Defeasance pursuant to Article VIII of
      the
      Indenture. In connection with any Covenant Defeasance, the Issuer and Company
      shall be released from its obligations under the covenants specified in Sections
      4.2 and 5.1 of the Indenture and Section 2.6 of this Sixth Supplemental
      Indenture.

     

    (b) Amend,
      Restate and Replace Covenant Regarding Legal Defeasance and
      Discharge.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, clause
      (a)
      of Section 8.1 is hereby amended, restated and replaced in its entirety by
      the
      following:

     

    (a)
      the
      rights of Holders of outstanding Securities of such Series to receive solely
      from the trust fund described in Section 8.4 hereof, and as more fully set
      forth
      in such section, payments in 

     

    
      
        
        

      

      
        53

        
          

        

      

      
        
        

      

    

    respect
      of the principal of, premium or Additional Interest of Additional Tax Amounts,
      if any, and interest on such Securities when such payments are due,

     

    (c) Amend,
      Restate and Replace Covenant Regarding Deposit.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Sections
      8.4(a), (b), (c), (g) and (h) are hereby amended, restated and replaced in
      their
      entirety by the following:

     

    (a)
      the
      Issuer must irrevocably deposit with the Trustee, in trust, for the benefit
      of
      the Holders, cash in Canadian Dollars, Canadian Government Obligations, or
      a
      combination thereof, in such amounts as will be sufficient, in the opinion
      of a
      nationally recognized firm of independent public accountants, to pay the
      principal of, premium, Additional Interest or Additional Tax Amounts, if any,
      and interest on the outstanding Securities of such Series on the Stated Maturity
      or on the applicable redemption date, as the case may be, of such principal
      or
      installment of principal of, premium or Additional Tax Amounts, if any, or
      interest on the outstanding Securities of such Series.

     

    (b)
      in
      the case of an election under Section 8.2 hereof, the Issuer shall have
      delivered to the Trustee an Opinion of Counsel in the United States (which
      counsel may be an employee of the Company or any Subsidiary of the Company)
      reasonably acceptable to the Trustee confirming that (A) the Issuer has received
      from, or there has been published by, the Internal Revenue Service a ruling
      or
      (B) since the date hereof, there has been a change in the applicable federal
      income tax law, in either case to the effect that, and based thereon such
      Opinion of Counsel shall confirm that, the Holders of the outstanding Securities
      of such Series will not recognize income, gain or loss for federal income tax
      purposes as a result of such Legal Defeasance and will be subject to federal
      income tax on the same amounts, in the same manner and at the same times as
      would have been the case if such Legal Defeasance had not occurred;

     

    (c)
      in
      the case of an election under Section 8.3 hereof, the Issuer shall have
      delivered to the Trustee an Opinion of Counsel in the United States (which
      counsel may be an employee of the Company or any Subsidiary of the Company)
      reasonably acceptable to the Trustee confirming that the Holders of the
      outstanding Securities of such Series will not recognize income, gain or loss
      for federal income tax purposes as a result of such Covenant Defeasance and
      will
      be subject to federal income tax on the same amounts, in the same manner and
      at
      the same times as would have been the case if such Covenant Defeasance had
      not
      occurred;

     

    (g)
      the
      Company shall have delivered to the Trustee an Officer’s Certificate stating
      that the deposit as not made by the Issuer with the intent of preferring the
      Holders of such Securities over any other creditors of the Issuer with the
      intent of defeating, hindering, delaying or defrauding creditors of the Issuer
      or others; 

     

    (h)
      the
      Company shall have delivered to the Trustee an Officers’ Certificate and an
      opinion of counsel, each stating that all conditions precedent relating to
      the
      Legal Defeasance or the Covenant Defeasance have been complied with;
      and

     

    (d) Delivery
      of an Opinion of Canadian Counsel.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, the
      following is hereby added to Section 8.4(i):

     

    (i)
      the
      Issuer shall have delivered to the Trustee an opinion of counsel in Canada
      reasonably acceptable to the Trustee confirming that the Holders of such
      Securities will be subject to 

     

    
      
        
        

      

      
        54

        
          

        

      

      
        
        

      

    

    Canadian
      federal income tax on the same amounts and in the same manner and at the same
      times as would have been the case if such Legal Defeasance or Covenant
      Defeasance had not occurred.

     

    Section
      2.15. Subordination.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Article
      XIII of the Indenture shall apply, and the Notes shall be subject to
      subordination pursuant to Article XIII of the Indenture.

     

    Section
      2.16. Amend,
      Restate and Replace Provision Regarding Amendment with the Consent of the
      Holders of the Notes. 

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Section
      9.2
      of the Indenture is amended, restated and replaced in its entirety by the
      following:

     

    §
      9.2. With
      Consent of Holders.

     

    Except
      as
      provided in Sections 9.1 and 9.3 of the Indenture, the Indenture or the Notes
      may be amended or supplemented by the Company and the Trustee after having
      received the Required Consent (as defined below), and, except as provided in
      Sections 6.8 and 6.12 of the Indenture, any existing Default or Event of Default
      or compliance with any provision of the Indenture or the Notes may be waived
      by
      the Trustee upon receipt by the Trustee of the Required Consent. 

     

    The
      term “Required Consent” means the
      consent of: 

     

    (a)
      Holders
      of a majority in aggregate principal amount at stated maturity of the Notes
      (with respect to matters requiring only the consent of such Holders);
      or

     

    (b)
      holders of a majority in aggregate principal amount at stated maturity of:
      

     

    (i) the
      Notes,

     

    (ii) the
      8 5/8%
      Notes,
      the 7 3/4%
      Notes,
      the 7 1/4%
      Notes,
      the 6 5/8%
      Notes,
      the 8 3/4%
      Notes,
      the 8% Notes and the 6 3/4%
      Notes,
      (the “Previously Issued Notes”), if the holders of the Previously Issued Notes
      are being requested to consent to such action with respect to the terms of
      the
      Previously Issued Notes or the indentures under which the Previously Issued
      Notes were issued, and

     

    (iii)
      any
      other issue or series of notes issued or guaranteed by the Company that rank
      pari
      passu
      with the
      Company Guarantee, if such notes or guarantee or the indenture pursuant to
      which
      such notes were issued both (x) require the consent of the holders of such
      notes to such action, and (y) provide that the such holders will vote with
      the Holders of the Notes and the other securities referenced above with respect
      to such action.

     

    Section
      2.17. Amend,
      Restate and Replace Provision Regarding Limitations on Amendment or
      Waiver. 

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Sections
      9.3(d), (f) and (h) of the Indenture are amended, restated and replaced in
      their
      entirety by the following:

     

    (d)
      waive
      a Default or Event of Default in the payment of principal of or premium, if
      any,
      or interest or Additional Tax Amounts, if any, on any Security (except a
      rescission of acceleration of the 

     

    
      
        
        

      

      
        55

        
          

        

      

      
        
        

      

    

    Securities
      of any Series by the Holders of at least a majority in aggregate principal
      amount of the then outstanding Securities of such Series and a waiver of the
      payment default that resulted from such acceleration);

     

    (f)
      make
      any change in the provisions of the Indenture relating to waivers of past
      Defaults or the rights of Holders of Securities of any Series to receive
      payments of principal of or premium, if any, or interest or Additional Tax
      Amounts, if any, on the Securities;

     

    (h)
      except pursuant to the Indenture, release any Guarantor from its obligations
      under the Note Guarantees, or change the Note Guarantees in any manner that
      would materially adversely affect the Securityholders; or

     

    Section
      2.18. Amend,
      Restate and Replace Provision Regarding Personal Liability. 

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Section
      10.8 of the Indenture is amended, restated and replaced in its entirety by
      the
      following:

     

    §
      10.8. No
      Personal Liability of Directors, Officers, Employees and
      Stockholders.

     

    No
      past,
      present or future director, officer, employee, incorporator or stockholder
      of
      the Issuer, the Company or any Restricted Subsidiary, as such, shall have any
      liability for any obligations of the Issuer, the Company or any Restricted
      Subsidiary under the Securities of any Series, Note Guarantees or the Indenture
      or for any claim based on, in respect of, or by reason of, such obligations
      or
      their creation. Each Holder of Securities of any Series, by accepting a Security
      and the related Note Guarantees, waives and releases all such liability. The
      waiver and release are part of the consideration for issuance of the Series
      of
      Securities and the Note Guarantees.

    

    Section
      2.19. Note
      Guarantees.

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Article
      XII
      of the Indenture shall apply, and the Notes shall constitute a Series to be
      guaranteed by the Guarantors pursuant to Article XII of the
      Indenture.

     

    Section
      2.20. Provisions
      Regarding Subsidiary Guarantees and Limitation of Guarantor’s
      Liability. 

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, the first
      clause of the first paragraph of Section 12.1 of the Indenture is replaced
      with
      the following:

     

    The
      Company and each Subsidiary that is a signatory hereto, as a Guarantor and
      each
      Subsidiary of the Company that in accordance with the terms of any Securities
      of
      a Series issued hereunder pursuant to any supplemental indenture relating to
      such Securities becomes party to this Indenture as a guarantor (each a
“Guarantor”),
      

     

    Section
      2.21. Provisions
      Regarding Agreement to Subordinate. 

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Section
      13.1 of the Indenture is amended, restated and replaced in its entirety by
      the
      following:

     

    §
      13.1. Agreement
      to Subordinate.

     

    
      
        
        

      

      
        56

        
          

        

      

      
        
        

      

    

    The
      Issuer, the Trustee and each Securityholder by accepting a Security agrees,
      that
      the indebtedness and obligations evidenced by the Security are subordinated
      in
      right of payment, to the extent and in the manner provided in this Article,
      to
      the prior payment in full, in cash of all Obligations with respect to Senior
      Debt of the Issuer (whether outstanding on the date hereof or hereafter created,
      incurred, assumed or guaranteed), and that the subordination is for the benefit
      of the holders of Senior Debt of the Issuer.

     

    Section
      2.22. Provisions
      Regarding Subordination of Note Guarantees. 

     

    With
      respect to the Notes issued under this Sixth Supplemental Indenture, Section
      13.14 of the Indenture is amended, restated and replaced in its entirety by
      the
      following:

     

    §
13.14.
      Subordination
      of Note Guarantees.

     

    Each
      Guarantor, the Trustee, and each Securityholder by accepting a Security agrees,
      that the indebtedness and obligations under the Note Guarantees (a) rank
pari
      passu
      with
      such Guarantor’s obligations (whether as issuer or guarantor) with respect to
      the Existing Senior Subordinated Securities and (b) are subordinated in right
      of
      payment, to the extent and in the manner provided in this Article, to the prior
      payment in full, in cash, of all Obligations with respect to Senior Debt of
      such
      Guarantor (whether outstanding on the date hereof or hereafter created,
      incurred, assumed or guaranteed), and that the subordination is for the benefit
      of the holders of Senior Debt of such Guarantor. 

     

    

    ARTICLE
      3.

     

    MISCELLANEOUS

     

    Section
      3.1. Effect
      of Headings.

     

    The
      Article and Section headings herein are for convenience only and shall not
      affect the construction hereof.

     

    Section
      3.2. Successors
      and Assigns.

     

    All
      covenants and agreements in this Sixth Supplemental Indenture by the Company
      and
      the Issuer shall bind their successors and assigns, whether so expressed or
      not.

     

    Section
      3.3. Separability
      Clause.

     

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

     

    Section
      3.4. Governing
      Law.

     

    This
      Sixth Supplemental Indenture and the Notes created hereby shall be governed
      by
      and construed in accordance with the laws of the State of New York without
      giving effect to any conflicts of law provisions (other than Section 5-1401
      of
      the New York General Obligations Law) that might cause this Sixth Supplemental
      Indenture and the Notes to be governed by or construed or enforced in accordance
      with the laws of any other jurisdiction.

     

     

    
      
        
        

      

      
        57

        
          

        

      

      
        
        

      

    

    Section
      3.5. Sixth
      Supplement to Supersede Indenture.

     

    The
      Indenture, as supplemented by the Sixth Supplemental Indenture, remains in
      full
      force and effect as of the date hereof. Notwithstanding the foregoing, to the
      extent that any provision of the Indenture shall conflict with any provision
      of
      this Sixth Supplemental Indenture, the terms of this Sixth Supplemental
      Indenture shall be deemed controlling and the conflicting provision of the
      Indenture shall be null and void to the extent of such conflict.

     

    

     

    [The
      rest of this page has been intentionally left blank.]

    

    

    
      
        
        

      

      
        58

        
          

        

      

      
        
        

      

    

    IN
      WITNESS WHEREOF, the parties have caused this Sixth Supplemental Indenture
      to be
      duly executed, and attested, all as of the date and year first written
      above.

     

    
      	 	
              IRON
                MOUNTAIN NOVA SCOTIA FUNDING COMPANY 

               

            
	 	
              By:
                /s/ Garry B. Watzke

            
	 	
              Name: 
                Garry B. Watzke

              Title:
                Senior Vice President and General Counsel

               

            
	 	
              IRON
                MOUNTAIN INCORPORATED

            
	 	
              COMAC,
                INC.

            
	 	
              IRON
                MOUNTAIN INTELLECTUAL PROPERTY MANAGEMENT, INC.

            
	 	
              IRON
                MOUNTAIN GLOBAL, INC.

            
	 	
              IRON
                MOUNTAIN GOVERNMENT SERVICES INCORPORATED

            
	 	
              IRON
                MOUNTAIN INFORMATION MANAGEMENT, INC.

            
	 	
              MOUNTAIN
                REAL ESTATE ASSETS, INC.

            
	 	
              MOUNTAIN
                RESERVE III, INC.

            
	 	
              TREELINE
                SERVICES CORPORATION

            
	 	
              NETTLEBED
                ACQUISITION CORP.

               

            
	 	
              By:
                /s/
                Garry B. Watzke

            
	 	
              Name:
                Garry B. Watzke

              Title:
                Senior Vice President and General Counsel

               

            
	 	
              IRON
                MOUNTAIN GLOBAL LLC

               

            
	 	
              By:
                Iron Mountain Global, Inc., its sole member

               

            
	 	
              By:
                /s/
                Garry B. Watzke

            
	 	
              Name:
                Garry
                B. Watzke

            
	 	
              Title:
                Senior
                Vice President and General Counsel

               

            

    

    

     

    
      
        
        

      

      
        59

        
          

        

      

      
        
        

      

    

    

     

    
      	 	
              IRON
                MOUNTAIN
                STATUTORY TRUST
                -
                1998

               

            
	 	
              By:
                U.S.
                BANK
                NATIONAL ASSOCIATION,
                not individually but as Owner Trustee under that certain Amended
                and Restated Owner Trust Agreement dated
                as of October 1,
                1998, as amended

               

            
	 	
              By:
                /s/ John Correia

              Name:
                John Correia

            
	 	
              Title:
                Vice President

               

            
	 	
              IRON
                MOUNTAIN
                STATUTORY TRUST -
                1999

               

            
	 	
              By:
                U.S.
                BANK
                NATIONAL ASSOCIATION,
                not individually but as Owner Trustee under that certain Amended
                and Restated Owner Trust Agreement dated
                as of July 1,
                1999, as amended

               

            
	 	
              By:
                /s/ John Correia

            
	 	
              Name:
                John Correia

              Title:
                Vice President

               

            
	 	
               

               

            
	 	
              THE
                BANK OF NEW YORK TRUST COMPANY, N.A.

               

            
	 	
              By:
                /s/ Peter M. Murphy

            
	 	
              Name: 
                Peter M. Murphy

              Title: 
                Vice President

            

    

    

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    
      EXHIBIT
        A

      Form
        of Notes

      
         

      

      [Face of
        Note]
71⁄2 % Senior Subordinated Notes due 2017

      
        	
                ISIN No.

              	
                C$_____________

              
	
                CUSIP No.: 

              	
                 

              

      

       

      IRON MOUNTAIN NOVA SCOTIA FUNDING
        COMPANY

      promises to pay to ___________ or registered
        assigns, the principal sum of _________ Canadian Dollars on March 15,
        2017.

      Interest Payment Dates:  March 15 and
        September 15

      Record Dates:  March 1 and September
        1

      Dated:  __________, 20___

      	
               

            	
              IRON MOUNTAIN
                NOVA
                SCOTIA FUNDING COMPANY

            
	
               

            	
              By:___________________________

            
	
               

            	
              Name:

            
	
               

            	
              Title:

            
	
               

            	
              By:
                ___________________________

            
	
               

            	
              Name:

            
	
               

            	
              Title

            

       

      (SEAL)

      This is one of the Notes
referred to in the
        within-
mentioned Indenture:

THE BANK OF NEW YORK TRUST COMPANY,
        N.A.,

      as Trustee

      By:  
         ______________________      

             
        Authorized
        Signatory

       

      
        
          
          

        

        
          A-1

          
            

          

        

        
          
          

        

      

      
71⁄2%
        Senior
        Subordinated Notes due 2017

      [Insert
        Global
        Note Legend, if applicable pursuant to the provisions of the Indenture]

      [Insert
        Private
        Placement Legend, if applicable pursuant to the provisions of the
        Indenture]

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

          1.           
        INTEREST.  Iron Mountain Nova Scotia Funding Company, a Nova Scotia
        unlimited liability company (the “Issuer”) promises to pay interest on the
        principal amount of this Note at 71⁄2% per annum from __________ until maturity
        and shall pay the Additional Interest, if any, payable pursuant to Section
        5 of
        the Registration Rights Agreement referred to below.  The Issuer shall pay
        interest and Additional Interest, if any, semi-annually in arrears, on _______
        and ________ of each year, or if any such day is not a Business Day, on 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
        or,
        if no interest has been paid, from the date of issuance; provided that if
        there is no existing Default in the payment of interest, and if this Note
        is
        authenticated between a record date referred to on the face hereof and the
        next
        succeeding Interest Payment Date, interest shall accrue from such next
        succeeding Interest Payment Date; provided, further, that the
        first Interest Payment Date shall be _________, 20___.  The Issuer shall
        pay interest (including post-petition interest to the extent allowed in any
        proceeding under any Bankruptcy Law) on overdue principal from time to time
        on
        demand at a rate equal to the per annum rate on the Notes then in effect;
        it
        shall pay interest (including post-petition interest to the extent allowed
        in
        any proceeding under any Bankruptcy Law) on overdue installments of interest
        and
        Additional Interest, if any (without regard to any applicable grace periods),
        from time to time on demand at the same rate to the extent lawful. 
Interest will be computed on the basis of a 360-day year of twelve 30-day
        months.

          2.           
        METHOD OF PAYMENT.  The Issuer will pay principal, premium,
        Additional Interest and Additional Tax Amounts, if any, and interest on the
        Notes in Canadian dollars.  The Issuer, however, may pay principal,
        premium, Additional Interest and Additional Tax Amounts, if any, and interest
        by
        check payable in such money.  It may mail an interest check to a Holder’s
        registered address.

          3.           
        PAYING AGENT, REGISTRAR AND SERVICE AGENT.  Initially, The Bank of
        New York Trust Company, N.A., the Trustee under the Indenture, will act as
        paying agent, registrar and service agent.  The Issuer has appointed BNY
        Trust Company of Canada as a sub-paying agent for the Notes.  The Notes may
        be presented for registration of transfer and exchange at the offices of
        the
        registrar.  The Issuer or Iron Mountain Incorporated, a Delaware
        corporation (the “Company”), may change any paying agent, sub-paying agent,
        service agent or registrar without notice to any Holder. The Company or any
        of
        its Subsidiaries may act in any such capacity.

          4.           
        INDENTURE.  The Issuer issued the Notes under an Indenture dated as
        of December 30, 2002 (the “Base Indenture”), as supplemented by a Sixth
        Supplemental Indenture dated as of March 15, 2007 (the “Sixth Supplemental
        Indenture” and, together with the Base Indenture, the “Indenture”), among the
        Issuer, the Guarantors and the Trustee.  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 of 1939, as amended (15 U.S. Code
§§ 77aaa-77bbbb).  The Notes are subject to all such terms, and
        Holders are referred to the Indenture and such 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 issued under the Indenture are subordinated
        unsecured obligations 

      
        
          
          

        

        
          A-2

          
            

          

        

        
          
          

        

      

      of the Issuer limited
        to
        C$175,000,000 in aggregate principal amount, plus amounts, if any, issued
        to pay
        Additional Interest on outstanding Notes as set forth in Paragraph 20
        hereof.

          5.           
        OPTIONAL REDEMPTION.  

      (a) Prior to March 15,
        2012, the Notes shall be subject to redemption at any time at the option
        of the
        Issuer, in whole or in part, upon not less than 10 nor more than 60 days’
notice, at the CAD Make-Whole Price, plus accrued and unpaid interest and
        Additional Interest and Additional Tax Amounts, if any, to but excluding
        the
        applicable redemption date.  On and after March 15, 2012, the Notes
        will be subject to redemption at any time at the option of the Issuer, in
        whole
        or in part, upon not less than 10 nor more than 60 days’ notice, at the
        redemption price (expressed as percentages of principal amount) set forth
        below,
        plus accrued and unpaid interest and Additional Interest and Additional Tax
        Amounts, if any, to but excluding the applicable redemption date, if redeemed
        during the twelve-month period beginning on March 15 of the years indicated
        below: 

      
        	
                Year

              	
                Percentage

              
	
                 

              	
                 

              
	
                2012
                  

              	
                103.750%

              
	
                2013

              	
                102.500%

              
	
                2014

              	
                101.250%

              
	
                2015
                  and thereafter 

              	
                100.000%

              
	
                 

              	
                 

              

      

       

      Notwithstanding the foregoing, at any time
        prior to March 15, 2010 the Issuer may on any one or more occasions redeem
        the Notes at a redemption price of 107.500% of the principal amount thereof,
        plus accrued and unpaid interest, and Additional Interest and Additional
        Tax
        Amounts, if any, to the redemption date, with the net cash proceeds of one
        or
        more Qualified Equity Offerings; provided that (i) at least C$115.0
        million in the aggregate principal amount of the Notes (including any Additional
        Notes) issued under the Indenture remains outstanding immediately after the
        occurrence of such redemption (excluding Notes held the Company, and the
        Company’s Subsidiaries) and (ii) the redemption must occur within six months of
        the date of the closing of any such Qualified Equity Offering.

      (b) The Issuer may redeem
        the Notes, in whole but not in part, at its discretion at any time upon giving
        not less than 10 nor more than 60 days’ prior notice to the Holders (which
        notice will be irrevocable and given in accordance with the procedures described
        in Section 10.2 of the Indenture), at a redemption price equal to the principal
        amount thereof, together with accrued and unpaid interest, if any, to the
        date
        fixed by the Issuer for redemption, (the “Tax Redemption Date”), and all
        Additional Tax Amounts (if any) then due and which will become due on the
        Tax
        Redemption Date as a result of the redemption or otherwise (and in the case
        of
        Notes that are in physical, certificated form, subject to the right of Holders
        on the relevant record date to receive interest due on the relevant Interest
        Payment Date and Additional Tax Amounts (if any) in respect thereof), if
        on the
        next date on which any amount would be payable in respect of the Notes, the
        Issuer has or would be required to pay Additional Tax Amounts, and the Issuer
        cannot avoid any such payment obligation taking reasonable measures available,
        as a result of:

                 
                   
(i)            any change
        in, or amendment to, the laws or treaties (or any regulations, or rulings
        promulgated thereunder) of the relevant Tax Authority affecting Taxation
        which
        becomes effective on or after March 15, 2007 (or, if the relevant Tax
        Authority has changed since March 15, 2007, the date on which the then
        current Tax Authority became the applicable Tax Authority under the Indenture);
        or

                 
                   
(ii)            any
        change in, or amendment to, the existing official position or the introduction
        of an official position regarding the application, administration or
        interpretation of such laws, treaties, 

      
        
          
          

        

        
          A-3

          
            

          

        

        
          
          

        

      

      regulations
        or rulings (including a holding, judgment or order by a court of competent
        jurisdiction or a change in published practice), and becomes effective on
        or
        after March 15, 2007 (or, if the relevant Tax Authority has changed since
        March 15, 2007, the date on which the then current Tax Authority became the
        applicable Tax Authority under the Indenture).

      The Issuer will not give any such notice
        of
        redemption earlier than 90 days prior to the earliest date on which the
        Issuer would be obligated to make such payment or withholding if a payment
        in
        respect of the Notes were then due.  Prior to the publication or, where
        relevant, mailing of any notice of redemption of the Notes pursuant to the
        foregoing, the Issuer will deliver to the Trustee (a) an Officers’
Certificate to the effect that the Issuer cannot avoid such obligation to
        pay
        Additional Tax Amounts by taking reasonable measures available to it and
        (b) an Opinion of Counsel to the effect that the Issuer will be obligated
        to pay Additional Tax Amounts as a result of an event described above.

          6.           
        ADDITIONAL TAX AMOUNTS.  The Issuer and the Guarantors will pay to
        the Holders of the Notes any Additional Tax Amounts as may become payable
        under
        Section 4.20 of the Indenture.

          7.           
        NOTICE OF REDEMPTION.  Notice of redemption will be mailed at least
        10 days but not more than 60 days before the redemption date to each Holder
        of
        the Notes to be redeemed at its registered address.  For Notes which are
        represented by global certificates held on behalf of the Depository, notices
        may
        be given by delivery of the relevant notices to the Depository for communication
        to entitled account holders in substitution for the aforesaid publication. 
The Notes in denominations larger than C$1,000 may be redeemed in part but
        only
        in integral multiples of C$1,000, unless all the Notes held by a Holder are
        to
        be redeemed.  In the event of a redemption of less than all of the Notes,
        the Notes will be chosen for redemption by the Trustee in accordance with
        the
        Indenture.  On and after the redemption date, interest ceases to accrue on
        the Notes or portions of them called for redemption.

          If
        this Note is
        redeemed subsequent to a Record Date with respect to any Interest Payment
        Date
        specified above and on or prior to such Interest Payment Date, then any accrued
        interest will be paid to the Person in whose name this Note is registered
        at the
        close of business on such Record Date.

          8.           
        MANDATORY REDEMPTION.  Except as set forth in paragraph 9 below, the
        Issuer shall not be required to repurchase or to make mandatory redemption
        payments with respect to the Notes.  There are no sinking fund payments
        with respect to the Notes.

          9.           
        REPURCHASE AT OPTION OF HOLDER.  This Note is subject to purchase at
        the option of the Holder upon the circumstances set forth in Sections 3.10,
        4.17
        and 4.18 of the Indenture.

          10.           
        SUBORDINATION.  The payment of the principal of, interest on, and
        Additional Interest and Additional Tax Amounts or any other amounts due on
        the
        Notes is subordinated in right of payment to all existing and future Senior
        Debt
        of the Issuer and the Company, as described in the Indenture.  Each Holder,
        by accepting a Note, agrees to such subordination and authorizes and directs
        the
        Trustee on its behalf to take such action as may be necessary or appropriate
        to
        effectuate the subordination so provided and appoints the Trustee as its
        attorney-in-fact for such purpose.

          11.           
        DENOMINATIONS, TRANSFER, EXCHANGE.  The Notes are in registered form
        without coupons in minimum denominations of C$1,000 and integral multiples
        of
        C$1,000 in excess thereof.  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 

      
        
          
          

        

        
          A-4

          
            

          

        

        
          
          

        

      

      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 with respect to the Notes or the Notes may be amended or
        supplemented with the consent of, and any existing default or event of default
        or compliance with any provision of the Indenture or the Notes may be waived
        with the consent of: (A) Holders of a majority in aggregate principal amount
        at
        stated maturity of the Notes (with respect to matters requiring only the
        consent
        of such Holders) or (B) holders of a majority in aggregate principal amount
        at stated maturity of (1) the Notes, (2) the 8 5/8% Notes, the 7 3/4%
        Notes, the 7 1/4% Notes, the 6 5/8% Notes, the 8 3/4% Notes, the 8% Notes
        and
        the 6 3/4% Notes (the “Previously Issued Notes”), if the holders of the
        Previously Issued Notes are being requested to consent to such action with
        respect to the terms of the Previously Issued Notes or the indentures under
        which the Previously Issued Notes were issued, and (3) any other issue or
        series of notes issued or guaranteed by the Company that rank pari passu
        with the Company Guarantee of the Notes, if such notes or guarantee the
        indenture pursuant to which such notes were issued both (i) require the
        consent of the holders of such notes to such action and (ii) provide that
        the such holders will vote with the Holders of the Notes and the other
        securities referenced above with respect to such action.  Without the
        consent of any Holder of the Notes, the Indenture with respect to the Notes
        or
        the Notes may be amended or supplemented to, in addition to other events
        more
        fully described in the Indenture, cure any ambiguity, defect or inconsistency,
        provide for uncertificated Notes in addition to or in place of certificated
        Notes, provide for the assumption of the Issuer’s obligations to Holders of the
        Notes in the case of a merger or consolidation, make any change that would
        provide any additional rights or benefits to the Holders of the Notes or
        that
        does not adversely affect the legal rights under the Indenture of any such
        Holder, or comply with requirements of the SEC in order to effect or maintain
        the qualification of the Indenture under the TIA.

          14.           
        DEFAULTS AND REMEDIES.  An Event of Default with respect to the
        Notes occurs upon the occurrence of any of the following events: the default
        for
        30 days in the payment when due of interest on the Notes or Additional Interest
        or Additional Tax Amounts, if any (whether or not prohibited by the
        subordination provisions of the Indenture); the default in payment when due
        of
        the principal of or premium, if any, on the Notes (whether or not prohibited
        by
        the subordination provisions of the Indenture); the failure by the Issuer
        to
        comply with Section 4.18 of the Indenture; the failure by the Issuer or any
        Guarantor for 60 days after written notice from the Trustee or Holders of
        not
        less than 25% of the aggregate principal amount of the Notes (including
        Additional Notes, if any) outstanding to comply with any of its other agreements
        in the Indenture, Notes, or the Note Guarantees; the default under any mortgage,
        indenture or instrument under which there may be issued or by which there
        may be
        secured or evidenced any Indebtedness for money borrowed by the Company or
        any
        of its Restricted Subsidiaries (or the payment of which is guaranteed by
        the
        Company or any of its Restricted Subsidiaries) whether such Indebtedness
        or
        guarantee exists on the date of the Indenture or is created thereafter, if:
        (i)
        such default results in the acceleration of such Indebtedness prior to its
        express maturity or shall constitute a default in the payment of such
        Indebtedness at final maturity of such Indebtedness; and (ii) the principal
        amount of any such Indebtedness that has been accelerated or not paid at
        maturity, when added to the aggregate principal amount of all other such
        Indebtedness that has been accelerated or not paid at maturity, exceeds $50.0
        million; the failure by the Company or any of its Restricted Subsidiaries
        to pay
        final judgments aggregating in excess of $50.0 million, which judgments remain
        unpaid, undischarged or unstayed for a period of 60 days; certain events
        of
        bankruptcy or insolvency with respect to the Company or any of its Restricted
        Subsidiaries that is a Significant Subsidiary; or except as permitted by
        the
        Indenture, the Note Guarantees, any Note Guarantee issued by the Company
        or a
        Restricted Subsidiary shall be held in any 

      
        
          
          

        

        
          A-5

          
            

          

        

        
          
          

        

      

      judicial proceeding to
        be
        unenforceable or invalid or shall cease for any reason to be in full force
        and
        effect, or the Company or any Restricted Subsidiary or any Person acting
        on
        behalf of the Company or any Restricted Subsidiary shall deny or disaffirm
        in
        writing its obligations under its Note Guarantee.

          If
        any Event of
        Default occurs and is continuing, the Trustee or the Holders of at least
        25% in
        principal amount of the then outstanding Notes (including Additional Notes,
        if
        any) may declare all the Notes to be due and payable immediately;
provided, however, that if any Obligation with respect to Senior
        Bank Debt is outstanding pursuant to the Credit Agreement upon a declaration
        of
        acceleration of the Notes, the principal, premium or Additional Tax Amounts,
        if
        any, and interest on the Notes will not be payable until the earlier of:
        (1) the
        day which is five business days after written notice of acceleration is received
        by the Issuer and the Credit Agent; or (2) the date of acceleration of the
        Indebtedness under the Credit Agreement.  Notwithstanding the foregoing, in
        the case of an Event of Default arising from certain events of bankruptcy
        or
        insolvency with respect to the Company or any Restricted Subsidiary that
        is a
        Significant Subsidiary, the principal of, and premium and Additional Interest
        and Additional Tax Amounts, if any, and any accrued and unpaid interest on
        all
        outstanding Notes will become due and payable without further action or
        notice.  In the event of a declaration of acceleration of the Notes because
        an Event of Default has occurred and is continuing as a result of the
        acceleration of any Indebtedness described in Section 6.1(e) of the Indenture,
        the declaration of acceleration of the Notes shall be automatically annulled
        if
        the holders of any Indebtedness described in such section have rescinded
        the
        declaration of acceleration in respect of such Indebtedness within 30 days
        from the date of such declaration and if: (1) the annulment of the acceleration
        of the Notes would not conflict with any judgment or decree of a competent
        jurisdiction; and (2) all existing Events of Default, except non-payment
        of
        principal or interest on the Notes that became due solely because of the
        acceleration of the Notes, have been cured or waived. 

          Subject
        to certain
        limitations, Holders of a majority in principal amount of the then outstanding
        Notes may direct the Trustee in its exercise of any trust or power.  The
        Trustee may withhold from Holders of the Notes notice of any continuing Default
        or Event of Default (except a Default or Event of Default relating to the
        payment of principal, interest, Additional Interest or Additional Tax Amounts
        if
        it determines that withholding notice is in their interest).  The Issuer is
        required to deliver to the Trustee annually a statement regarding compliance
        with the Indenture, and the Issuer is required, upon becoming aware of any
        Default or Event of Default, to deliver to the Trustee a statement specifying
        such Default or Event of Default and what action the Issuer is taking or
        proposes to take thereto.

          15.        
        THE NOTE GUARANTEES.  Payment of principal of, premium or Additional
        Tax Amounts, if any, and interest (including interest on overdue principal,
        if
        any, and interest, if lawful) on the Notes is guaranteed on an unsecured,
        senior
        subordinated basis by the Guarantors pursuant to Article XII of the
        Indenture.

          16.           
        RELEASE OF GUARANTEES AND GUARANTORS.  If (1) the Company sells
        or otherwise disposes, by way of a merger, consolidation or otherwise, all
        the
        capital stock or all or substantially all of the assets of the Issuer to
        an
        unaffiliated third party, (2) the Note Guarantees (and, in the case of the
        disposition of all or substantially all of the assets of the Issuer, the
        Notes)
        are assumed by such third party and (3) the Company elects to make an
        irrevocable offer for all of each Holder's notes at an offer price in cash
        equal
        to 101% of the aggregate principal amount thereof plus accrued and unpaid
        interest to but excluding the date of repurchase, and Additional Interest
        and
        Additional Tax Amounts, if any, then the Company and the Subsidiary Guarantors
        will be unconditionally released and relieved of any obligations under the
        Note
        Guarantees and the Indenture with respect to the Notes (and, in the case
        of the
        disposition of all or substantially all of the assets of the Issuer, the
        Issuer
        will also be released and relieved of any obligations in respect of the Notes).
        The Company shall not be obligated to make such offer. Any such offer, if
        made,
        will be made substantially on the terms and conditions applicable to an offer
        under Section 4.18 of the Indenture.

      
        
          
          

        

        
          A-6

          
            

          

        

        
          
          

        

      

                             
        The release of the Company and the Subsidiary Guarantors (and, in the case
        of
        the disposition of all or substantially all of the assets of the Issuer,
        the
        Issuer) will be subject to the satisfaction of the following additional
        conditions: (a) such third party must be a corporation organized or
        existing under the laws of the United States, any state thereof or the District
        of Columbia, or of Canada or any province thereof, (b) such third party
        must have assumed all the obligations of the Company and the Subsidiary
        Guarantors under the Note Guarantees and the Indenture with respect to the
        Notes
        (and, in the case of the disposition of all or substantially all of the assets
        of the Issuer, the third party must also have assumed the obligations of
        the
        Issuer in respect of the Notes) pursuant to a supplemental indenture in a
        form
        reasonably satisfactory to the Trustee, (c) immediately after such
        acquisition, no Default or Event of Default exists, and (d) such third
        party will, at the time of such acquisition and giving effect thereto, be
        permitted to incur at least $1.00 of additional indebtedness pursuant to
        the
        test set forth in the first paragraph of Section 4.9 of the Indenture.

       

          17.           
        TRUSTEE DEALINGS WITH ISSUER.  The Trustee, in its individual or any
        other capacity, may make loans to, accept deposits from, and perform services
        for the Company or its Affiliates, and may otherwise deal with the Issuer
        or its
        Affiliates, as if it were not the Trustee.

          18.           
        NO RECOURSE AGAINST OTHERS.  No past, present or future director,
        officer, employee, incorporator or stockholder, as such, of the Issuer or
        any
        Guarantor shall have any liability for any obligations of the Issuer or any
        Guarantor under the Notes, the Note Guarantees 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 and the related Note Guarantees
        waives and releases all such liability.  The waiver and release are part of
        the consideration for the issuance of the Notes.

          19.           
        AUTHENTICATION.  This Note shall not be valid until authenticated by
        the manual signature of the Trustee or an authenticating agent.

          20.            ADDITIONAL
        RIGHTS OF HOLDERS OF RESTRICTED GLOBAL NOTES AND RESTRICTED DEFINITIVE
        NOTES.  In addition to the rights provided to Holders of Notes under
        the Indenture, Holders of Restricted Global Notes and Restricted Definitive
        Notes will have all the rights set forth in the Registration Rights Agreement
        dated as of March 15, 2007, among the Issuer, the Guarantors and the other
        parties named on the signature pages thereof or, in the case of Additional
        Notes, Holders of Restricted Global Notes and Restricted Definitive Notes
        will
        have the rights set forth in one or more registration rights agreements,
        if any,
        among the Issuer, the Guarantors and the other parties thereto, relating
        to
        rights given by the Issuer and the Guarantors to the purchasers of any
        Additional Notes (collectively, the “Registration Rights
        Agreement”).

       

          21.           
        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).

          22.           
        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.

      
        
          
          

        

        
          A-7

          
            

          

        

        
          
          

        

      

      The Issuer shall furnish to any Holder upon
        written request and without charge a copy of the Indenture and the Registration
        Rights Agreement.  Requests may be made to:

      Iron Mountain Nova Scotia Funding
        Company
c/o Iron Mountain Incorporated
745 Atlantic Avenue
Boston,
        Massachusetts 02111
Attention:  Chief Financial Officer

      
        
          
          

        

        
          A-8

          
            

          

        

        
          
          

        

      

      ASSIGNMENT
        FORM

      To assign this Note, fill in the
        form
        below:  (I) or (we) assign and transfer this Note
        to 

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

                                                                                                                                                                                  

                                                                                                                                                                                  

                                                                                                                                                                                  

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

      
and
        irrevocably appoint
                
                                                                                                          
                   

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)

       

       

      
        
          
          

        

        
          A-9

          
            

          

        

        
          
          

        

      

       

      OPTION
        OF
        HOLDER TO ELECT PURCHASE

      If you want to elect to have this Note
        purchased by the Issuer pursuant to Section 4.17 or 4.18 of the Indenture,
        check
        the box below:

          o   
        Section 4.17

       o     Section
        4.18

      If you want to elect to have only part of
        the
        Note purchased by the Issuer pursuant to Section 4.17 of the Indenture, state
        the amount you elect to have purchased:  $__________

      	
              Date:  __________

            	
              Your
                Signature:_____________________________

            
	
               

            	
              (Sign exactly as your name appears
                on the
                Note)

            
	
               

            	
               

            
	
               

            	
              Tax Identification
                No.:_______________________

            

       

      
        
          
          

        

        
          A-10

          
            

          

        

        
          
          

        

      

      
         

         

        EXHIBIT
          B

        FORM
          OF
          CERTIFICATE OF TRANSFER

        Iron Mountain
          Nova Scotia Funding Company
c/o Iron Mountain Incorporated
745 Atlantic
          Avenue
Boston, Massachusetts 02111
Attention:  Chief Financial
          Officer

        [Registrar address block]

        Re:  Iron Mountain Nova Scotia
          Funding Company 71⁄2% Senior Subordinated Notes due 2017

        Reference is hereby made to the Senior
          Subordinated Indenture, dated as of December 30, 2002, between Iron Mountain
          Incorporated and the Bank of New York Trust Company, N.A., as successor
          trustee
          (the “Trustee”) (the “Base Indenture” and, as supplemented by the
          Sixth Supplemental Indenture, dated as of March 15, 2007, by and among
          Iron
          Mountain Nova Scotia Funding Company (the “Issuer”), the Guarantors party
          thereto and the Trustee, the “Indenture”), and the Indenture. Capitalized
          terms used but not defined herein shall have the meanings given to them
          in the
          Indenture.

        ___________________, (the “Transferor”)
          owns and proposes to transfer the Note[s] or interest in such Note[s] specified
          in Annex A hereto, in the principal amount of $___________ in such Note[s]
          or
          interests (the “Transfer”), to  ___________________________ (the
“Transferee”), as further specified in Annex A hereto.  In
          connection with the Transfer, the Transferor hereby certifies that:

        [CHECK ALL THAT APPLY]

        (1)  o 
Check
          if Transferee will take delivery of a beneficial interest in the 144A Global
          Note or a Restricted Definitive Note pursuant to Rule 144A. 
The Transfer is being effected pursuant to and in accordance
          with Rule 144A
          under the Securities Act of 1933, as amended (the “Securities Act”), and,
          accordingly, the Transferor hereby further certifies that the beneficial
          interest or Definitive Note is being transferred to a Person that the Transferor
          reasonably believes is purchasing the beneficial interest or Definitive
          Note for
          its own account, or for one or more accounts with respect to which such
          Person
          exercises sole investment discretion, and such Person and each such account
          is a
“qualified institutional buyer” within the meaning of Rule 144A in a transaction
          meeting the requirements of Rule 144A, and such Transfer is in compliance
          with
          any applicable blue sky securities laws of any state of the United States. 
Upon consummation of the proposed Transfer in accordance with the terms
          of the
          Indenture, the transferred beneficial interest or Definitive Note will
          be
          subject to the restrictions on transfer enumerated in the Private Placement
          Legend printed on the 144A Global Note and/or the Restricted Definitive
          Note and
          in the Indenture and the Securities Act.

        (2)  o 
Check
          if Transferee will take delivery of a beneficial interest in the Regulation
          S
          Global Note or a Restricted Definitive Note pursuant to Regulation
          S.  The Transfer is being effected pursuant to and in
          accordance with Rule 903 or Rule 904 under the Securities Act and, accordingly,
          the Transferor hereby further certifies that (i) the Transfer is not being
          made
          to a Person in the United States and (x) at the time the buy order was
          originated, the Transferee was outside the United States or such Transferor
          and
          any Person acting on its behalf reasonably believed and believes that the
          Transferee was outside the United States or (y) the transaction was executed
          in,
          on or through the facilities of a designated offshore securities market
          and
          neither such Transferor nor any Person acting on its behalf knows that
          the
          transaction was prearranged with a buyer in the United States, (ii) no
          directed

        
          
            
            

          

          
            B-1

            
              

            

          

          
            
            

          

        

        selling efforts have
          been
          made in contravention of the requirements of Rule 903(b) or Rule 904(b)
          of
          Regulation S under the Securities Act and, (iii) the transaction is not
          part of
          a plan or scheme to evade the registration requirements of the Securities
          Act
          and (iv) if the proposed transfer is being made prior to the expiration
          of the
          Restricted Period, the transfer is not being made to a U.S. Person or for
          the
          account or benefit of a U.S. Person (other than an Initial Purchaser). 
Upon consummation of the proposed transfer in accordance with the terms
          of the
          Indenture, the transferred beneficial interest or Definitive Note will
          be
          subject to the restrictions on Transfer enumerated in the Private Placement
          Legend printed on the Regulation S Global Note, and/or the Restricted Definitive
          Note and in the Indenture and the Securities Act.

        (3)  o 
Check
          and complete if Transferee will take delivery of a beneficial interest
          in the
          IAI Global Note or a Restricted Definitive Note pursuant to any provision
          of the
          Securities Act other than Rule 144A or Regulation S.  The
          Transfer is being effected in compliance with the transfer restrictions
          applicable to beneficial interests in Restricted Global Notes and Restricted
          Definitive Notes and pursuant to and in accordance with the Securities
          Act and
          any applicable blue sky securities laws of any state of the United States,
          and
          accordingly the Transferor hereby further certifies that (check one):

        (a)        
o
          such Transfer is
          being effected pursuant to and in accordance with Rule 144 under the Securities
          Act;

        or

        (b)        
o 
such
          Transfer is being effected to the Company or a subsidiary thereof;

        or

        (c)        
o 
such
          Transfer is being effected pursuant to an effective registration statement
          under
          the Securities Act and in compliance with the prospectus delivery requirements
          of the Securities Act;

        or

        (d)        
o 
such
          Transfer is being effected to an Institutional Accredited Investor and
          pursuant
          to an exemption from the registration requirements of the Securities Act
          other
          than Rule 144A, Rule 144, Rule 903 or Rule 904, and the Transferor hereby
          further certifies that it has not engaged in any general solicitation within
          the
          meaning of Regulation D under the Securities Act and the Transfer complies
          with
          the transfer restrictions applicable to beneficial interests in a Restricted
          Global Note or Restricted Definitive Notes and the requirements of the
          exemption
          claimed, which certification is supported by a certificate executed by
          the
          Transferee in the form of Exhibit D to the Indenture, to the effect that
          such
          Transfer is in compliance with the Securities Act.  Upon consummation of
          the proposed transfer in accordance with the terms of the Indenture, the
          transferred beneficial interest or Definitive Note will be subject to the
          restrictions on transfer enumerated in the Private Placement Legend printed
          on
          the IAI Global Note and/or the Restricted Definitive Notes and in the Indenture
          and the Securities Act.

        (4)  o 
Check
          if Transferee will take delivery of a beneficial interest in an Unrestricted
          Global Note or of an Unrestricted Definitive Note.

        (a)  o 
Check
          if
          Transfer is pursuant to Rule 144.  (i) The Transfer is being
          effected pursuant to and in accordance with Rule 144 under the Securities
          Act
          and in compliance with the transfer 

        
          
            
            

          

          
            B-2

            
              

            

          

          
            
            

          

        

        restrictions contained
          in
          the Indenture and any applicable blue sky securities laws of any state
          of the
          United States and (ii) the restrictions on transfer contained in the Indenture
          and the Private Placement Legend are not required in order to maintain
          compliance with the Securities Act.  Upon consummation of the proposed
          Transfer in accordance with the terms of the Indenture, the transferred
          beneficial interest or Definitive Note will no longer be subject to the
          restrictions on transfer enumerated in the Private Placement Legend printed
          on
          the Restricted Global Notes, on Restricted Definitive Notes and in the
          Indenture.

        (b)  oCheck
          if
          Transfer is Pursuant to Regulation S.  (i) The Transfer is being
          effected pursuant to and in accordance with Rule 903 or Rule 904 under
          the
          Securities Act and in compliance with the transfer restrictions contained
          in the
          Indenture and any applicable blue sky securities laws of any state of the
          United
          States and (ii) the restrictions on transfer contained in the Indenture
          and the
          Private Placement Legend are not required in order to maintain compliance
          with
          the Securities Act.  Upon consummation of the proposed Transfer in
          accordance with the terms of the Indenture, the transferred beneficial
          interest
          or Definitive Note will no longer be subject to the restrictions on transfer
          enumerated in the Private Placement Legend printed on the Restricted Global
          Notes, on Restricted Definitive Notes and in the Indenture.

        (c)  o 
Check
          if
          Transfer is Pursuant to Other Exemption.  (i) The Transfer is
          being effected pursuant to and in compliance with an exemption from the
          registration requirements of the Securities Act other than Rule 144, Rule
          903 or
          Rule 904 and in compliance with the transfer restrictions contained in
          the
          Indenture and any applicable blue sky securities laws of any State of the
          United
          States and (ii) the restrictions on transfer contained in the Indenture
          and the
          Private Placement Legend are not required in order to maintain compliance
          with
          the Securities Act.  Upon consummation of the proposed Transfer in
          accordance with the terms of the Indenture, the transferred beneficial
          interest
          or Definitive Note will not be subject to the restrictions on transfer
          enumerated in the Private Placement Legend printed on the Restricted Global
          Notes or Restricted Definitive Notes and in the Indenture.

        This certificate and the statements contained
          herein are made for your benefit and the benefit of the Issuer.

        
          	
                   

                	
                  __________________________________

                  [Insert
                    Name
                    of Transferor]

                
	
                   

                	
                   

                  By:____________________________

                
	
                   

                	
                  Name:

                
	
                   

                	
                  Title:

                

        

         

        Dated:  _______________________

         

        
          
            
            

          

          
            B-3

            
              

            

          

          
            
            

          

        

        ANNEX
          A TO
          CERTIFICATE OF TRANSFER

        1.          
The Transferor owns and proposes to transfer
          the following:

        [CHECK
          ONE OF
          (a) OR (b)]

        (a)  o 
a
          beneficial
          interest in the:

        (i)    o
          144A Global Note
          (CUSIP _________), or

        (ii)    o 
Regulation
          S
          Global Note (CUSIP _________), or

        (iii)  
           o  IAI
          Global Note (CUSIP _________); or

        (b)  o
          a Restricted Definitive
          Note.

        2.          
After the Transfer the Transferee will
          hold:

        [CHECK
          ONE]

        (a)  o 
a
          beneficial
          interest in the:

        (i)       o 
144A
          Global Note
          (CUSIP _________), or

        (ii)      o 
Regulation
          S
          Global Note (CUSIP _________), or

        (iii)     
          o  IAI Global
          Note (CUSIP _________); or

        (iv)      o 
Unrestricted
          Global Note (CUSIP _________); or

        (b) o 
a
          Restricted
          Definitive Note; or

        (c)  o 
an
          Unrestricted
          Definitive Note,

        in accordance with
          the
          terms of the Indenture.

        
          
            
            

          

          
            B-4

            
              

            

          

          
            
            

          

        

         

        EXHIBIT
          C

        FORM
          OF
          CERTIFICATE OF EXCHANGE

        Iron Mountain
          Nova Scotia Funding Company
c/o Iron Mountain Incorporated
745 Atlantic
          Avenue
Boston, Massachusetts 02111
Attention:  Chief Financial
          Officer

         [Registrar address block]

        Re:  Iron Mountain Nova Scotia
          Funding Company 71⁄2% Senior Subordinated Notes due 2017

        (CUSIP ____________)

        Reference is hereby made to the Senior
          Subordinated Indenture, dated as of December 30, 2002, between Iron Mountain
          Incorporated and the Bank of New York Trust Company, N.A., as successor
          trustee
          (the “Trustee”) (the “Base Indenture” and as supplemented by the
          Sixth Supplemental Indenture, dated as of March 15, 2007, by and among
          Iron
          Mountain Nova Scotia Funding Company (the “Issuer”), the Guarantors party
          thereto and the Trustee (the “Indenture”)) and the Indenture. Capitalized
          terms used but not defined herein shall have the meanings given to them
          in the
          Indenture.

        __________________________, (the
“Owner”) owns and proposes to exchange
          the Note[s] or interest in such
          Note[s] specified herein, in the principal amount of $____________ in such
          Note[s] or interests (the “Exchange”).  In connection with the
          Exchange, the Owner hereby certifies that:

        1.           
Exchange of Restricted Definitive
          Notes or Beneficial Interests in a
          Restricted Global Note for Unrestricted Definitive Notes or Beneficial
          Interests
          in an Unrestricted Global Note

        (a)  o 
Check
          if
          Exchange is from beneficial interest in a Restricted Global Note to beneficial
          interest in an Unrestricted Global Note.  In connection with the
          Exchange of the Owner’s beneficial interest in a Restricted Global Note for a
          beneficial interest in an Unrestricted Global Note in an equal principal
          amount,
          the Owner hereby certifies (i) the beneficial interest is being acquired
          for the
          Owner’s own account without transfer, (ii) such Exchange has been effected in
          compliance with the transfer restrictions applicable to the Global Notes
          and
          pursuant to and in accordance with the Securities Act of 1933, as amended
          (the
“Securities Act”), (iii) the restrictions on transfer contained in the
          Indenture and the Private Placement Legend are not required in order to
          maintain
          compliance with the Securities Act and (iv) the beneficial interest in
          an
          Unrestricted Global Note is being acquired in compliance with any applicable
          blue sky securities laws of any state of the United States.

        (b)  oCheck
          if
          Exchange is from beneficial interest in a Restricted Global Note to Unrestricted
          Definitive Note.  In connection with the Exchange of the Owner’s
          beneficial interest in a Restricted Global Note for an Unrestricted Definitive
          Note, the Owner hereby certifies (i) the Definitive Note is being acquired
          for
          the Owner’s own account without transfer, (ii) such Exchange has been effected
          in compliance with the transfer restrictions applicable to the Restricted
          Global
          Notes and pursuant to and in accordance with the Securities Act, (iii)
          the
          restrictions on transfer contained in the Indenture and the Private Placement
          Legend are not required in order to maintain compliance with the Securities
          Act
          and (iv) the Definitive Note is being acquired in compliance with any applicable
          blue sky securities laws of any state of the United States.

        
          
            
            

          

          
            C-1

            
              

            

          

          
            
            

          

        

        (c)  o 
Check
          if
          Exchange is from Restricted Definitive Note to beneficial interest in an
          Unrestricted Global Note.  In connection with the Owner’s Exchange
          of a Restricted Definitive Note for a beneficial interest in an Unrestricted
          Global Note, the Owner hereby certifies (i) the beneficial interest is
          being
          acquired for the Owner’s own account without transfer, (ii) such Exchange has
          been effected in compliance with the transfer restrictions applicable to
          Restricted Definitive Notes and pursuant to and in accordance with the
          Securities Act, (iii) the restrictions on transfer contained in the Indenture
          and the Private Placement Legend are not required in order to maintain
          compliance with the Securities Act and (iv) the beneficial interest is
          being
          acquired in compliance with any applicable blue sky securities laws of
          any state
          of the United States.

        (d)  o 
Check
          if
          Exchange is from Restricted Definitive Note to Unrestricted Definitive
          Note.  In connection with the Owner’s Exchange of a Restricted
          Definitive Note for an Unrestricted Definitive Note, the Owner hereby certifies
          (i) the Unrestricted Definitive Note is being acquired for the Owner’s own
          account without transfer, (ii) such Exchange has been effected in compliance
          with the transfer restrictions applicable to Restricted Definitive Notes
          and
          pursuant to and in accordance with the Securities Act, (iii) the restrictions
          on
          transfer contained in the Indenture and the Private Placement Legend are
          not
          required in order to maintain compliance with the Securities Act and (iv)
          the
          Unrestricted Definitive Note is being acquired in compliance with any applicable
          blue sky securities laws of any state of the United States.

        2.           
Exchange of Restricted Definitive
          Notes or Beneficial Interests in
          Restricted Global Notes for Restricted Definitive Notes or Beneficial Interests
          in Restricted Global Notes

        (a)  o 
Check
          if
          Exchange is from beneficial interest in a Restricted Global Note to Restricted
          Definitive Note.  In connection with the Exchange of the Owner’s
          beneficial interest in a Restricted Global Note for a Restricted Definitive
          Note
          with an equal principal amount, the Owner hereby certifies that the Restricted
          Definitive Note is being acquired for the Owner’s own account without
          transfer.  Upon consummation of the proposed Exchange in accordance with
          the terms of the Indenture, the Restricted Definitive Note issued will
          continue
          to be subject to the restrictions on transfer enumerated in the Private
          Placement Legend printed on the Restricted Definitive Note and in the Indenture
          and the Securities Act.

        (b)  o 
Check
          if
          Exchange is from Restricted Definitive Note to beneficial interest in a
          Restricted Global Note.  In connection with the Exchange of the
          Owner’s Restricted Definitive Note for a beneficial interest in the [CHECK ONE]
          o 144A Global Note, o Regulation S Global Note,  o IAI Global Note with an
          equal principal amount, the Owner hereby certifies (i) the beneficial interest
          is being acquired for the Owner’s own account without transfer and (ii) such
          Exchange has been effected in compliance with the transfer restrictions
          applicable to the Restricted Global Notes and pursuant to and in accordance
          with
          the Securities Act, and in compliance with any applicable blue sky securities
          laws of any state of the United States.  Upon consummation of the proposed
          Exchange in accordance with the terms of the Indenture, the beneficial
          interest
          issued will be subject to the restrictions on transfer enumerated in the
          Private
          Placement Legend printed on the relevant Restricted Global Note and in
          the
          Indenture and the Securities Act.

        This certificate and the statements contained
          herein are made for your benefit and the benefit of the Issuer.

        
          
            
            

          

          
            C-2

            
              

            

          

          
            
            

          

        

         

        
          	
                   

                	
                  __________________________________

                  [Insert
                    Name
                    of Transferor]

                
	
                   

                	
                   

                  By:____________________________

                
	
                   

                	
                  Name:

                
	
                   

                	
                  Title:

                

        

         

        Dated:  ______________________

        
          
            
            

          

          
            C-3

            
              

            

          

          
            
            

          

        

         

        EXHIBIT
          D

        FORM
          OF
          CERTIFICATE FROM
ACQUIRING INSTITUTIONAL ACCREDITED INVESTOR

        Iron Mountain
          Nova Scotia Funding Company
c/o Iron Mountain Incorporated
745 Atlantic
          Avenue
Boston, Massachusetts 02111
Attention:  Chief Financial
          Officer

         [Registrar address block]

        Re:  Iron Mountain Nova Scotia
          Funding Company 71⁄2% Senior Subordinated Notes due 2017

        Reference is hereby made to the Senior
          Subordinated Indenture, dated as of December 30, 2002, between Iron Mountain
          Incorporated and the Bank of New York Trust Company, N.A., as successor
          trustee
          (the “Trustee”) (the “Base Indenture” and as supplemented by the
          Sixth Supplemental Indenture, dated as of March 15, 2007, by and among
          Iron
          Mountain Nova Scotia Funding Company (the “Issuer”), the Guarantors party
          thereto and the Trustee (the “Indenture”)) and the Indenture. Capitalized
          terms used but not defined herein shall have the meanings given to them
          in the
          Indenture.

        In connection with our proposed purchase
          of
          $____________ aggregate principal amount of:

        (a)  o 
a
          beneficial
          interest in a Global Note, or

        (b)  o 
a
          Definitive
          Note,

        we confirm that:

        1.          
We understand that any subsequent transfer
          of the Notes or any interest therein
          is subject to certain restrictions and conditions set forth in the Indenture
          and
          the undersigned agrees to be bound by, and not to resell, pledge or otherwise
          transfer the Notes or any interest therein except in compliance with, such
          restrictions and conditions and the Securities Act of 1933, as amended
          (the
“Securities Act”).

        2.          
We understand that the offer and sale
          of the Notes have not been registered
          under the Securities Act, and that the Notes and any interest therein may
          not be
          offered or sold except as permitted in the following sentence.  We agree,
          on our own behalf and on behalf of any accounts for which we are acting
          as
          hereinafter stated, that if we should sell the Notes or any interest therein,
          we
          will do so only (A) to the Issuer or any subsidiary thereof, (B) in accordance
          with Rule 144A under the Securities Act to a “qualified institutional buyer” (as
          defined therein), (C) to an institutional “accredited investor” (as defined
          below) that, prior to such transfer, furnishes (or has furnished on its
          behalf
          by a U.S. broker-dealer) to you and to the Issuer a signed letter substantially
          in the form of this letter, (D) outside the United States in accordance
          with
          Rule 904 of Regulation S under the Securities Act, (E) pursuant to the
          provisions of Rule 144(k) under the Securities Act or (F) pursuant to an
          effective registration statement under the Securities Act, and we further
          agree
          to provide to any Person purchasing the Definitive Note or beneficial interest
          in a Global Note from us in a transaction meeting the requirements of clauses
          (A) through (E) of this paragraph a notice advising such purchaser that
          resales
          thereof are restricted as stated herein.

        
          
            
            

          

          
            D-1

            
              

            

          

          
            
            

          

        

        3.          
We understand that, on any proposed resale
          of the Notes or beneficial interest
          therein, we will be required to furnish to you and the Issuer such
          certifications, legal opinions and other information as you and the Issuer
          may
          reasonably require to confirm that the proposed sale complies with the foregoing
          restrictions.  We further understand that the Notes purchased by us will
          bear a legend to the foregoing effect.

        4.          
We are an institutional “accredited investor” (as defined in Rule 501(a)(1),
          (2), (3) or (7) of Regulation D under the Securities Act) and have such
          knowledge and experience in financial and business matters as to be capable
          of
          evaluating the merits and risks of our investment in the Notes, and we
          and any
          accounts for which we are acting are each able to bear the economic risk
          of our
          or its investment.

        5.          
We are acquiring the Notes or beneficial
          interest therein purchased by us for
          our own account or for one or more accounts (each of which is an institutional
          “accredited investor”) as to each of which we exercise sole investment
          discretion.

        You and the Issuer are entitled to rely
          upon
          this letter and are irrevocably authorized to produce this letter or a
          copy
          hereof to any interested party in any administrative or legal proceedings
          or
          official inquiry with respect to the matters covered hereby.

        
          	
                   

                	
                  __________________________________

                  [Insert
                    Name
                    of Accredited Investor]

                
	
                   

                	
                   

                  By:____________________________

                
	
                   

                	
                  Name:

                
	
                   

                	
                  Title:

                

        

         

        Dated:  _______________________

        
          
            
            

          

          
            D-2

            
              

            

          

          
            
            

          

        

         

        EXHIBIT
          E

        Form
          of Supplemental Indenture
To Be Delivered By Future
          Guarantors

        Supplemental Indenture (this “Supplemental
          Indenture”), dated as of ________________, 20__, among _______________ (the
“Guaranteeing Subsidiary”), a subsidiary of Iron Mountain Incorporated
          (or its successor), a Delaware corporation (the “Company”), Iron Mountain
          Nova Scotia Funding Company (or its successor), a Nova Scotia unlimited
          liability company, and The Bank of New York Trust Company, N.A., a national
          banking association, as trustee under the Indenture referred to below (the
          “Trustee”).

        W I T
          N E S S E
          T H

        WHEREAS, the Company has heretofore executed
          and delivered to the Trustee an indenture, dated as of December 30, 2002,
          as
          supplemented by the Sixth Supplemental Indenture, dated as of March 15,
          2007 (the indenture, as so supplemented, the “Indenture”) providing for
          the issuance of an aggregate principal amount of up to C$175,000,000 of
          71⁄2%
          Senior Subordinated Notes due 2017 (the “Notes”);

        WHEREAS, the Indenture provides that under
          certain circumstances the Guaranteeing Subsidiary shall execute and deliver
          to
          the Trustee a supplemental indenture pursuant to which the Guaranteeing
          Subsidiary shall unconditionally guarantee all of the Issuer’s obligations under
          the Notes and the Indenture on the terms and conditions set forth herein;
          and

        WHEREAS, pursuant to Section 9.1 of the
          Indenture, the Trustee is authorized to execute and deliver this Supplemental
          Indenture.

        NOW THEREFORE, in consideration of the
          foregoing and for other good and valuable consideration, the receipt of
          which is
          hereby acknowledged, the Guaranteeing Subsidiary and the Trustee mutually
          covenant and agree for the equal and ratable benefit of the Holders of
          the Notes
          as follows:

        1.           
CAPITALIZED TERMS.  Capitalized terms used herein
          without definition
          shall have the meanings assigned to them in the Indenture.

        2.           
AGREEMENT TO GUARANTEE.  The Guaranteeing Subsidiary hereby
          agrees
          that its obligations to the Holder and the Trustee pursuant to this Subsidiary
          Guarantee shall be as expressly set forth in Article XII of the Indenture
          and in
          such other provisions of the Indenture as are applicable to the Guarantors
          (including, without limitation, Article XIII of the Indenture), and reference
          is
          made to the Indenture for the precise terms of this Supplemental
          Indenture.  The terms of Article XII of the Indenture and such other
          provisions of the Indenture (including, without limitation, Article XIII
          of the
          Indenture) as are applicable to the Guarantors are incorporated herein
          by
          reference.

        3.           
EXECUTION AND DELIVERY OF SUBSIDIARY
          GUARANTEES.

        (a)        
If an Officer whose signature is on this
          Supplemental Indenture no longer holds
          that office at the time the Trustee authenticates the Note, the Subsidiary
          Guarantee shall be valid nevertheless.

        (b)        
The delivery of any Note by the Trustee,
          after the authentication thereof under
          the Indenture, shall constitute due delivery of the Subsidiary Guarantee
          set
          forth in this Supplemental Indenture on behalf of the Guaranteeing
          Subsidiary.

        
          
            
            

          

          
            E-1

            
              

            

          

          
            
            

          

        

        4.          
NO RECOURSE AGAINST OTHERS.  No past, present or future director,
          officer, employee, incorporator or stockholder of the Guaranteeing Subsidiary,
          as such, shall have any liability for any obligations of the Issuer or
          any
          Guarantor (including the Guaranteeing Subsidiary) under the Notes, any
          Subsidiary Guarantee, the Indenture or this Supplemental Indenture or for
          any
          claim based on, in respect of, or by reason of, such obligations or their
          creation.  Each Holder of the Notes by accepting a Note waives and releases
          all such liability.  The waiver and release are part of the consideration
          for issuance of the Notes.  

        5.          
NEW YORK LAW TO GOVERN.  THE INTERNAL LAW OF THE STATE
          OF NEW YORK
          SHALL GOVERN AND BE USED TO CONSTRUE THIS SUPPLEMENTAL INDENTURE BUT WITHOUT
          GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT
          THAT
          THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED
          THEREBY.

        6.           
COUNTERPARTS.  The parties may sign any number
          of copies of this
          Supplemental Indenture.  Each signed copy shall be an original, but all of
          them together represent the same agreement.

        7.           
EFFECT OF HEADINGS.  The Section headings herein are
          for convenience
          only and shall not affect the construction hereof.

        8.          
THE TRUSTEE.  The Trustee shall not be responsible
          in any manner
          whatsoever for or in respect of the validity or sufficiency of this Supplemental
          Indenture or for or in respect of the recitals contained herein, all of
          which
          recitals are made solely by the Guaranteeing Subsidiary and the Issuer.

        
          
            
            

          

          
            E-2

            
              

            

          

          
            
            

          

        

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

        Dated:  _______________, 20___

        [

        
          	
                   

                	
                  Guaranteeing
                    Subsidiary]

                
	
                   

                	
                  By:_______________________________________

                  Name:

                  Title:

                
	
                   

                	
                   

                
	
                   

                	
                  [Issuer]

                
	
                   

                	
                  By:_______________________________________

                
	
                   

                	
                  Name:

                
	
                   

                	
                  Title:

                
	
                   

                	
                   

                
	
                   

                	
                  [Trustee],

                    as Trustee

                
	
                   

                	
                   

                
	
                   

                	
                  By:_______________________________________

                
	
                   

                	
                  Authorized
                    Signatory

                

        

         

         

         

         

         

         

         E-3ex4-2

    Exhibit
      4.2

    Registration
      Rights
      Agreement

    by
      and among

     

    Iron
      Mountain Nova Scotia Funding Company

     

    The
      Guarantors Party Hereto

     

    and

     

    Bear,
      Stearns & Co. Inc.

    Scotia
      Capital
      (USA) Inc.

    Banc
      of
      America
      Securities
      LLC

    J.
      P. Morgan Securities Inc.

    Lehman
      Brothers
      Inc.

    BNY
      Capital
      Markets, Inc.

    Wells
      Fargo
      Securities, LLC

     

    March
      15,
      2007

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    This
      Registration
      Rights Agreement (this “Agreement”)
      is
      made and entered into as of March
      15,
      2007,
      by and
      among Iron
      Mountain Nova Scotia Funding Company (the
      “Company”),
      a
Nova
      Scotia unlimited
      liability company and wholly owned subsidiary of Iron
      Mountain Incorporated,
      each of
      the guarantors listed on Schedule
      I
      hereto
      (the “Guarantors”)
      and each
      of the initial purchasers listed on Schedule II
      hereto
      (collectively, the “Initial
      Purchasers”).
      The
Initial
      Purchasers have
      agreed to purchase the Company’s
      71⁄2% Senior Notes due
      2017
      (the “Notes”)
      pursuant to the Purchase
      Agreement (as
      defined below).

     

    This
      Agreement
      is
      made
      pursuant to the Purchase
      Agreement,
      dated
March
      9,
      2007,
      (the
“Purchase
      Agreement”),
      by
      and among the Company, the Guarantors
      and the
Initial
      Purchasers.
      In
      order to induce the Initial
      Purchasers to
      purchase the Notes,
      the
      Company and the Guarantors
      have
      agreed to provide the registration rights set forth in this Agreement.
      The
      execution and delivery of this Agreement
      is
      a
      condition to the obligations of the Initial
      Purchasers set
      forth
      in Section 8(q)
      of
      the
Purchase
      Agreement.
      Capitalized terms used herein and not otherwise defined shall have the meaning
      assigned to them in the indenture dated as of December
      30,
      2002 (the
      “Base
      Indenture”),
      as
      supplemented by a sixth supplemental indenture (the “Sixth
      Supplemental Indenture”
and,
      together with the Base
      Indenture,
      the
“Indenture”),
      dated
March
      15,
      2007,
      by and
      among the Company, the Guarantors
      and The
      Bank
      of New York Trust Company, N.A.,
      as
trustee
      (the
“Trustee”),
      relating to the Notes
      and
      the
Exchange
      Notes (as
      defined below).

     

    The
      parties
      hereby agree as follows:

     

    SECTION
      1. DEFINITIONS

     

    As
      used
      in
      this Agreement,
      the
      following capitalized terms shall have the following meanings:

     

    Affiliate:
      As
      defined in Rule
      144
of
      the
Securities
      Act.

     

    Broker-Dealer:
      Any
      broker or dealer registered under the Exchange
      Act.

     

    Closing
      Date:
      The
      date hereof.

     

    Commission:
      The
United
      States Securities and Exchange Commission.

     

    Consummate:
      An
Exchange
      Offer shall
      be
      deemed “Consummated” for purposes of this Agreement
      upon
      the
      occurrence of (a)
      the
      filing and effectiveness under the Securities
      Act of
      the
Exchange
      Offer Registration
      Statement relating
      to the Exchange
      Notes to
      be
      issued in the Exchange
      Offer,
      (b)
      the
      maintenance of such Exchange
      Offer Registration
      Statement continuously
      effective and the keeping of the Exchange
      Offer open
      for
      a period not less than the period required pursuant to Section 3(b)
      hereof
      and (c)
      the
      delivery by the Company to the Registrar under the Indenture
      of Exchange Notes in
      the
      same aggregate principal amount as the aggregate principal amount of
Notes
      properly
      tendered and not subsequently withdrawn by Holders
      thereof
      pursuant to the Exchange
      Offer.

     

    Consummation
      Deadline:
      As
      defined in Section 3(b)
      hereof.

     

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    Effectiveness
      Deadline:
      As
      defined in Sections 3(a)
      and
      4(a)
      hereof.

     

    Exchange
      Act:
      The
United
      States Securities Exchange Act of 1934,
      as
      amended.

     

    Exchange
      Notes:
      The
Company’s
      71⁄2% Senior Notes due
      2017
      and the related guarantees to be issued pursuant to the Indenture:
      (i)
      in
      the
Exchange
      Offer or
      (ii)
      as
      contemplated by Section 4
      hereof.

     

    Exchange
      Offer:
      The
      exchange and issuance by the Company of a principal amount of Exchange
      Notes (which
      shall be registered pursuant to the Exchange
      Offer Registration
      Statement)
      equal
      to the outstanding principal amount of Notes
      that
      are
      properly tendered and not subsequently withdrawn by such Holders
      in
      connection with such exchange and issuance, and evidencing the same continuing
      Indebtedness.

     

    Exchange
      Offer
      Registration
      Statement:
      The
Registration
      Statement relating
      to the Exchange
      Offer,
      including the related Prospectus.

     

    Filing
      Deadline:
      As
      defined in Sections 3(a)
      and
      4(a)
      hereof.

     

    Holders:
      As
      defined in Section 2
      hereof.

     

    Prospectus:
      The
      prospectus included in a Registration
      Statement at
      the
      time such Registration
      Statement is
      declared effective, as amended or supplemented by any prospectus
      supplement
      and by all other amendments thereto, including post-effective amendments, and
      all material incorporated by reference into such Prospectus.

     

    Recommencement
      Date:
      As
      defined in Section 6(d)
      hereof.

     

    Registration
      Default:
      As
      defined in Section 5(a)
      hereof.

     

    Registration
      Statement:
      Any
      registration statement of the Company and the Guarantors
      relating
      to (a)
      an
      offering of Exchange
      Notes pursuant
      to an Exchange
      Offer or
      (b)
      the
      registration for resale of Transfer-Restricted
      Securities pursuant
      to the Shelf
      Registration
      Statement,
      in each
      case, (i)
      that
      is
      filed pursuant to the provisions of this Agreement
      and
      (ii)
      including
      the Prospectus
      included
      therein, all amendments and supplements thereto (including post-effective
      amendments) and all exhibits and material incorporated by reference
      therein.

     

    Regulation
      S:
      Regulation
      S promulgated
      under the Securities
      Act.

     

    Rule
      144:
      Rule
      144 promulgated under the Securities
      Act.

     

    Securities
      Act:
      The
United
      States Securities Act of 1933,
      as
      amended.

     

    Shelf
      Registration
      Statement:
      As
      defined in Section 4
      hereof.

     

    Suspension
      Notice:
      As
      defined in Section 6(d)
      hereof.

     

    TIA:
      The
Trust
      Indenture Act of 1939 (15
      U.S.C.
Section
      77aaa-77bbbb)
      as
      in
      effect on the date of the Indenture.

     

     

    
      
        
        

      

      
        2

        
          

        

      

      
        
        

      

    

    Transfer-Restricted
      Securities:
      Each
(A)
      Note,
      until
      the earliest to occur of (i)
      the
      date
      on which such Note
      is
      exchanged in the Exchange
      Offer for
      an
Exchange
      Note by
      a
      person other than a Broker-Dealer, (ii)
      the
      date
      on which such Note
      has
      been
      disposed of in accordance with a Shelf
      Registration
      Statement
      or
(iii) the
      date
      on which such Note
      is
      distributed to the public pursuant to Rule
      144
under
      the
Securities
      Act and
      each
(B)
      Exchange
      Note held
      by a
Broker-Dealer
      until
      the
      date on which such Exchange
      Note is
      disposed of by a Broker-Dealer
      to
      a
      Purchaser who receives from such Broker-Dealer a copy of the Prospectus
      contained
      in the Exchange Offer Registration Statement.

     

    SECTION
      2. HOLDERS

     

    A
      Person
      is
      deemed to be a holder of Transfer-Restricted
      Securities (each,
      a
“Holder”)
      whenever such Person owns Transfer-Restricted
      Securities.

     

    SECTION
      3. REGISTERED EXCHANGE
      OFFER

     

    (a)
      Unless the Exchange
      Offer shall
      not
      be permitted by applicable law (after the procedures set forth in Section
6(a)(i)
      below
      have been complied with) or Commission
      policy,
      the Company and the Guarantors
      shall
      (i)
      cause
      the
Exchange
      Offer Registration
      Statement to
      be
      filed with the Commission
      on
      or
      prior to 90 days (or if such 90th day is not a business day, then the next
      succeeding business day) after the Closing
      Date (such
      day
      being the “Filing
      Deadline”);
      (ii)
      use
      all
      commercially reasonable efforts to cause such Exchange
      Offer Registration
      Statement to
      be
      declared effective by the Commission
      on
      or
      prior to 180 days (or if such 180th day is not a business day, then the next
      succeeding business day) after the Closing
      Date (such
      day
      being the “Effectiveness
      Deadline”);
      (iii)
      in
      connection with the foregoing, (A)
      file
      all
      pre-effective amendments to such Exchange
      Offer Registration
      Statement as
      may be
      reasonably necessary in order to cause the Exchange
      Offer Registration
      Statement to
      be
      declared effective, (B)
      file,
      if
      applicable, a post-effective amendment to such Exchange Offer Registration
      Statement pursuant
      to Rule
      430A
under
      the
Securities
      Act and
      (C)
      cause
      all
      reasonably necessary filings, if any, in connection with the registration and
      qualification of the Exchange
      Notes to
      be
      made under the Blue Sky laws of such jurisdictions as are necessary to permit
      Consummation
      of
      the
Exchange
      Offer;
      provided
      that
      the
      Company and the Guarantors
      shall
      not
      be required to qualify generally to do business in any jurisdiction where it
      is
      not then so qualified or to take any action which would subject it to general
      service of process or taxation in any jurisdiction where it is not then so
      subject; and (iv)
      as
      soon
      as practicable following the effectiveness of such Exchange
      Offer Registration
      Statement,
      commence and Consummate
      the
      Exchange
      Offer.
      The
Exchange
      Offer shall
      be
      on the appropriate form permitting (i)
      registration
      of the Exchange
      Notes to
      be
      offered in exchange for the Notes
      that
      are
Transfer-Restricted
      Securities and
      (ii)
      resales
      of Exchange
      Notes by
      Broker-Dealers
      that
      tendered into the Exchange
      Offer Notes
      that
      such
Broker-Dealer
      acquired
      for its own account as a result of market making activities or other trading
      activities (other than Notes
      acquired
      directly from the Company or any of its Affiliates) as contemplated by Section
      3(c)
      below.

     

    (b)
      The Company and the Guarantors
      shall
      use all commercially reasonable efforts to cause
      the
Exchange
      Offer Registration
      Statement to
      be
      effective continuously, and shall keep the Exchange
      Offer open
      for
      a period of not less than the minimum period required under applicable federal
      and state securities laws to Consummate
      the
      Exchange
      Offer;
      provided,
      however,
      that in

     

    
      
        
        

      

      
        3

        
          

        

      

      
        
        

      

    

    no
      event
      shall such period be less than 20 business days. The Company and the Guarantors
      shall
      cause the Exchange
      Offer to
      comply
      with all applicable federal and state securities laws. No securities other
      than
      the Exchange
      Notes shall
      be
      included in the Exchange
      Offer Registration
      Statement.
      The
      Company and the Guarantors
      shall
      use all commercially reasonable efforts to cause
      the Exchange
      Offer to
      be Consummated
      on
      the earliest practicable date after the Exchange
      Offer
Registration
      Statement has
      become effective, but in no event later than 45 business days thereafter, or
      longer, if required by the federal securities laws (the last day of such period
      being the “Consummation
      Deadline”).

     

    (c)
      The
      Company shall include a “Plan
      of
      Distribution”
section
      in the Prospectus
      contained
      in the Exchange
      Offer Registration
      Statement and
      indicate therein that any Broker-Dealer
      who
      holds
Transfer-Restricted
      Securities that
      were
      acquired for the account of such Broker-Dealer
      as
      a
      result of market-making activities or other trading activities (other than
      Notes
      acquired
      directly from the Company or any Affiliate of the Company), may exchange such
      Transfer-Restricted
      Securities pursuant
      to the Exchange
      Offer.
      Such
“Plan
      of
      Distribution”
section
      shall also contain all other information with respect to such sales by such
      Broker-Dealers
      that
      the
Commission
      may
      require in order to permit such sales pursuant thereto, but such “Plan
      of
      Distribution”
shall
      not name any such Broker-Dealer
      or
      disclose the amount of Transfer-Restricted
      Securities held
      by
      any such Broker-Dealer,
      except
      to the extent required by the Commission
      as
      a
      result of a change in policy, rules or regulations after the date of this
Agreement.

     

    Because
      such
      Broker-Dealer
      may
      be
      deemed to be an “underwriter”
within
      the meaning of the Securities
      Act and
      must,
      therefore, deliver a prospectus
      meeting
      the requirements of the Securities
      Act in
      connection with its initial sale of any Exchange
      Notes received
      by such Broker-Dealer
      in
      the
Exchange
      Offer,
      the
      Company and the Guarantors
      shall
      permit the use of the Prospectus
      contained
      in the Exchange
      Offer Registration
      Statement by
      such
Broker-Dealer
      to
      satisfy such prospectus
      delivery
      requirement. To the extent necessary to ensure that the prospectus
      contained
      in the Exchange
      Offer Registration
      Statement is
      available for sales of Exchange
      Notes by
      Broker-Dealers,
      the
      Company and the Guarantors
      agree
      to use all commercially reasonable efforts to keep
      the Exchange
      Offer Registration
      Statement continuously
      effective, supplemented, amended and current as required by and subject to
      the
      provisions of Section 6(a)
      and
      (c)
      hereof
      and in conformity with
      the
      requirements of this Agreement,
      the
Securities
      Act and
      the
      policies, rules and regulations of the Commission
      as
      announced from time to time, for a period of 180 days from the Consummation
      Deadline or
      such
      shorter period as will terminate when all Transfer-Restricted
      Securities covered
      by such Registration
      Statement have
      been
      sold pursuant thereto. The Company and the Guarantors
      shall
      provide sufficient copies of the latest version of such Prospectus
      to
      such
Broker-Dealers,
      as soon
      as reasonably possible upon request, and in no event later than two business
      days after such request, at any time during such period.

     

    SECTION
      4. SHELF REGISTRATION

     

    (a)
      Shelf Registration.
      If
(i)
      the
      Company and the Guarantors
      are
      not
(A)
      required
      to file the Exchange
      Offer Registration
      Statement or
      (B)
      permitted
      to Consummate
      the
      Exchange
      Offer because
      the Exchange
      Offer is
      not
      permitted by applicable law (after the Company and the Guarantors
      have
      complied with the procedures set forth in Section 6(a)(i)
      below)
      or
Commission
      

     

    
      
        
        

      

      
        4

        
          

        

      

      
        
        

      

    

    policy
      or
(ii)
      if
      any
Holder
      of
      Transfer-Restricted
      Securities shall
      notify the Company within 20 business days following the consummation of the
      Exchange
      Offer that
      (A)
      such
      Holder
      was
      prohibited by law or Commission
      policy
      from participating in the Exchange
      Offer;
      (B)
      such
      Holder
      may
      not
      resell the Exchange
      Notes acquired
      by it in the Exchange
      Offer to
      the
      public without delivering a prospectus
      and
      the
Prospectus
      contained
      in the Exchange
      Offer Registration
      Statement is
      not
      appropriate or available for such resales by such Holder;
      or
(C)
      such
      Holder
      is
      a
Broker-Dealer
      and
      holds Notes
      acquired
      directly from the Company or any of its Affiliates, then the
      Company and the Guarantors
      shall
      use all commercially reasonable efforts to file
      with the Commission
      a
      Shelf
      Registration
      Statement (as
      defined below) to cover resales of the Notes
      by
      Holders
      of
      the
Notes
      who
      satisfy certain conditions relating to the provision of information in
      connection with the Shelf
      Registration
      Statement.
      If
      obligated to file a Shelf
      Registration
      Statement,
      the
      Company and the Guarantors
      shall:

     

    (x)
      file,
      on
      or prior to 90 days after the earlier of (i)
      the
      date
      on which the Company determines that the Exchange
      Offer Registration
      Statement cannot
      be
      filed as a result of clause (a)(i)
      above
      and
(ii)
      the
      date
      on which the Company receives the notice specified in clause (a)(ii)
      above
      (such earlier date, the “Filing
      Deadline”),
      a
shelf
      registration statement pursuant
      to Rule 415 under the Securities
      Act (which
      may be an amendment to the Exchange
      Offer Registration
      Statement (the
      “Shelf
      Registration
      Statement”)),
      relating to all Transfer-Restricted
      Securities held
      by
Holders
      who
      have
      provided the information required by Section 4(b)
      hereof,
      and

     

    (y)
      use all
      commercially reasonable efforts to cause such Shelf
      Registration
      Statement to
      be
      declared effective by the Commission
      on
      or
      prior to 180 days after such Shelf
      Registration
      Statement is
      filed
      (such day, the “Effectiveness
      Deadline”).

     

    If,
      after
      the Company and the Guarantors
      have
      filed an Exchange
      Offer Registration
      Statement that
      satisfies the requirements of Section 3(a)
      above,
      the Company and the Guarantors
      are
      required to file and make effective a Shelf
      Registration
      Statement solely
      because the Exchange
      Offer is
      not
      permitted under applicable federal law (i.e., clause (a)(i)
      above),
      then the filing of the Exchange
      Offer Registration
      Statement shall
      be
      deemed to satisfy the requirements of clause (x)
      above;
      provided
      that, in
      such event, the Company and the Guarantors
      shall
      remain obligated to meet the Effectiveness
      Deadline set
      forth
      in clause (y).

     

    To
      the
      extent necessary to ensure that the Shelf
      Registration
      Statement is
      available for sales of Transfer-Restricted
      Securities by
      the
Holders
      thereof
      entitled to the benefit of this Section 4(a)
      and
      the
      other securities required to be registered therein pursuant to Section
6(b)(ii)
      hereof,
      the
      Company and the Guarantors
      shall
      use all commercially reasonable efforts to keep
      any Shelf
      Registration
      Statement required
      by this Section 4(a)
      continuously
      effective, supplemented, amended and current as required by and subject to
      the
      provisions of Sections 6(b)
      and
      (c)
      hereof
      and in conformity with the requirements of this Agreement,
      the
Securities
      Act and
      the
      policies, rules and regulations of the Commission
      as
      announced from time to time, for a period of at least two years (as extended
      pursuant to Section 6(d)
      hereof)
      following the Closing
      Date,
      or such
      shorter period as will terminate when all Transfer-Restricted
      Securities covered
      by such Shelf
      Registration
      Statement have
      been
      sold pursuant thereto.

     

    (b)
      Provision by Holders
      of
      Certain Information in Connection with the Shelf
      Registration
      Statement.
      No
Holder
      of
      Transfer-Restricted
      Securities may
      include any of its 

     

    
      
        
        

      

      
        5

        
          

        

      

      
        
        

      

    

    Transfer-Restricted
      Securities in
      any
Shelf
      Registration
      Statement pursuant
      to this Agreement
      unless
      and until such Holder
      furnishes
      to the Company in writing, within 20 days after receipt of a request therefor,
      the information specified in Item 507 or Item 508 of Regulation
      S-K,
      as
      applicable, of the Securities
      Act for
      use
      in connection with any Shelf
      Registration
      Statement or
      Prospectus
      or
      preliminary Prospectus
      included
      therein. No Holder
      of
      Transfer-Restricted
      Securities shall
      be
      entitled to additional interest pursuant to Section 5
      hereof
      unless such Holder
      shall
      have provided all such information in the required times. Each selling
Holder
      agrees
      to
      promptly furnish additional information required to be disclosed in order to
      make the information previously furnished to the Company by such Holder
      not
      materially misleading.

     

    SECTION
      5. ADDITIONAL INTEREST

     

    (a) If
      (i)
      any
      Registration
      Statement required
      by this Agreement
      is
      not
      filed with the Commission
      on
      or
      prior to the applicable Filing
      Deadline,
      (ii)
      any
      such
Registration
      Statement has
      not
      been declared effective by the Commission
      on
      or
      prior to the applicable Effectiveness
      Deadline,
      (iii)
      the
      Exchange
      Offer has
      not
      been Consummated
      on
      or
      prior to the Consummation
      Deadline or
      (iv)
      any
      Registration
      Statement required
      by this Agreement
      is
      filed
      and declared effective but thereafter is withdrawn by the Issuer
      or
      becomes subject to an effective stop order issued pursuant to Section
8(d)
      of
      the
U.S.
      Securities
      Act suspending
      the effectiveness of such registration statement (except as specifically
      permitted in this Agreement,
      including during any blackout period permitted hereunder without being succeeded
      immediately by an additional Registration
      Statement filed
      and
      declared effective within 60 days of such suspension) (each such event referred
      to in clauses (i)
      through
      (iv),
      a
“Registration
      Default”),
      then
      the Company and the Guarantors
      hereby
      jointly and severally agree to pay to each Holder
      of
      Transfer-Restricted
      Securities additional
      interest in an amount equal to a per annum rate of 0.25% on the principal amount
      of Transfer-Restricted
      Securities held
      by
      such Holder
      for
      the
      period of time that the Registration
      Default continues
      for the first 90-day period immediately following the occurrence of such
Registration
      Default. The
      amount of the additional interest shall increase by an additional per annum
      rate
      of 0.25% with respect to each subsequent 90-day period until all Registration
      Defaults have
      been
      cured, up to a maximum amount of additional interest for all Registration
      Defaults of
      1.00%
      per annum on the outstanding principal amount of Transfer-Restricted
      Securities; provided
      that the
      Company and the Guarantors
      shall
      in
      no event be required to pay additional interest for more than one Registration
      Default at
      any
      given time.
      Notwithstanding anything to the contrary set forth herein, (1)
      upon
      filing of the Exchange
      Offer Registration
      Statement (and/or,
      if applicable, the Shelf
      Registration
      Statement),
      in the
      case of (i)
      above,
      (2)
      upon
      the
      effectiveness of the Exchange
      Offer Registration
      Statement (and/or,
      if applicable, the Shelf
      Registration
      Statement),
      in the
      case of (ii)
      above,
      (3)
      upon
      Consummation
      of
      the
Exchange
      Offer,
      in the
      case of (iii)
      above,
      or
(4)
      upon
      the
      filing of an additional Registration
      Statement that
      causes the Exchange
      Offer Registration
      Statement (and/or,
      if applicable, the Shelf
      Registration
      Statement)
      to
      again be declared effective or made usable in the case of (iv)
      above,
      the additional interest payable with respect to the Transfer-Restricted
      Securities as
      a
      result of such clause (i), (ii), (iii) or (iv), as applicable, shall
      cease.

     

    (b) A
      Registration
      Default referred
      to in Section 5(a)
      hereof
      shall be deemed not to have occurred or be continuing in relation to a
Registration
      Statement or
      the
      related prospectus
      if
      (i)
      such
      Registration
      Default has
      occurred as a result of a material event or events relating to the Company
      or
      the Guarantors
      that
      the
      Company has determined in good faith and based on the 

     

    
      
        
        

      

      
        6

        
          

        

      

      
        
        

      

    

    advice
      of
      counsel would need to be disclosed in such Registration
      Statement or
      the
      related prospectus
      and
      the
      Company determines in good faith that such disclosure would adversely affect
      it
      (or a proposed transaction it is seeking to engage in) and (ii)
      the
      Company has provided, or caused to be provided, written notice to the
Holders
      that
      such
      an event or events have occurred and that a Registration
      Default would
      have occurred but for the provisions of this Section 5(b);
      provided,
      however,
      that in
      any case if such Registration
      Default occurs
      for a continuous period in excess of 45 days, additional interest shall be
      payable in accordance with this Section 5
      from
      and
      including the 45th day after such Registration
      Default originally
      occurred.

     

    (c) All
      accrued additional interest shall be paid to the Holders
      entitled
      thereto, in the manner provided for the payment of interest in the Indenture,
      on each
Interest
      Payment Date,
      as more
      fully set forth in the Indenture
      and
      the
Notes.
      Notwithstanding the fact that any securities for which additional interest
      are
      due cease to be Transfer-Restricted
      Securities,
      all
      obligations of the Company and the Guarantors
      to
      pay
      additional interest with respect to securities shall survive until such time
      as
      such obligations with respect to such securities shall have been satisfied
      in
      full. Notwithstanding anything contained herein or in the Indenture
      to
      the
      contrary, the payment of additional interest shall be the only remedy available
      to holders of Notes
      for
      any
Registration
      Default.

     

    SECTION
      6. REGISTRATION PROCEDURES

     

    (a)
      Exchange
      Offer Registration
      Statement.
      In
      connection with the Exchange
      Offer,
      the
      Company and the Guarantors
      shall,
      subject to the provisions of Section 5(b)
      hereof,
      (x)
      comply
      with all applicable provisions of Section 6(c)
      below,
      (y)
      use
      all
      commercially reasonable efforts to effect such exchange and to permit the resale
      of Exchange
      Notes by
      Broker-Dealers
      that
      tendered in the Exchange
      Offer Notes
      that
      such
Broker-Dealer
      acquired
      for its own account as a result of its market making activities or other trading
      activities (other than Notes
      acquired
      directly from the Company or any of its Affiliates) being sold
      in
      accordance with the intended method or methods of distribution thereof,
      and (z)
      comply
      with all
      of the
      following provisions:

     

    (i)
      If,
      following the date hereof there has been announced a change in Commission
      policy
      with respect to exchange offers such as the Exchange
      Offer,
      that in
      the reasonable opinion of counsel to the Company raises a substantial question
      as to whether the Exchange
      Offer is
      permitted by applicable federal
      law, the
      Company and the Guarantors
      hereby
      agree to use all commercially reasonable efforts to seek
      a
      no-action letter or other favorable decision from the Commission
      allowing
      the Company and the Guarantors
      to
      Consummate
      an
      Exchange
      Offer for
      such
Transfer-Restricted
      Securities.
      The
      Company and the Guarantors
      hereby
      agree to pursue the issuance of such a decision to the Commission
      staff
      level. In connection with the foregoing, the Company and the Guarantors
      hereby
      agree to take all such other commercially reasonable actions as may be requested
      by the Commission
      or
      otherwise required in connection with the issuance of such decision, including,
      without limitation, (A)
      participating
      in telephonic conferences with the Commission,
      (B)
      delivering
      to the Commission
      staff
      an
      analysis prepared by counsel to the Company setting forth the legal bases,
      if
      any, upon which such counsel has concluded that such an Exchange
      Offer should
      be
      permitted and (C)
      diligently
      pursuing a resolution (which need not be favorable) by the Commission
      staff.

     

     

    
      
        
        

      

      
        7

        
          

        

      

      
        
        

      

    

    (ii)
      As a
      condition to its participation in the Exchange
      Offer,
      each
Holder
      of
      Transfer-Restricted
      Securities (including,
      without limitation, any Holder
      who
      is a
Broker-Dealer)
      shall
      furnish, upon the request of the Company, prior to the Consummation
      of
      the
Exchange
      Offer,
      a
      written representation to the Company and the Guarantors
      (which
      may be contained in the letter of transmittal contemplated by the Exchange
      Offer Registration
      Statement)
      to the
      effect that (A)
      it
      is not
      an Affiliate of the Company, (B)
      it
      is not
      engaged in, and does not intend to engage in, and has no arrangement or
      understanding with any person to participate in, a distribution of the
Exchange
      Notes to
      be
      issued in the Exchange
      Offer and
      (C)
      it
      is
      acquiring the Exchange
      Notes in
      its
      ordinary course of business. As a condition to its participation in the
Exchange
      Offer,
      each
Holder
      using
      the
Exchange
      Offer to
      participate in a distribution of the Exchange
      Notes shall
      acknowledge and agree that, if the resales are of Exchange
      Notes obtained
      by such Holder
      in
      exchange for Notes
      acquired
      directly from the Company or an Affiliate thereof, it (1)
      could
      not, under Commission
      policy
      as
      in effect on the date of this Agreement,
      rely on
      the position of the Commission
      enunciated
      in Morgan
      Stanley and Co., Inc. (available
      June
      5,
      1991)
      and Exxon
      Capital Holdings Corporation (available
      May
      13,
      1988), as interpreted in the Commission’s
      letter
      to Shearman
      & Sterling dated
      July
      2,
      1993,
      and similar no-action letters (including, if applicable, any no-action letter
      obtained pursuant to clause (i)
      above),
      and (2)
      must
      comply with the registration and prospectus
      delivery
      requirements of the Securities
      Act in
      connection with a secondary resale transaction and that such a secondary resale
      transaction must be covered by an effective registration statement containing
      the selling security holder
      information
      required by Item 507
      or
      508,
      as
      applicable, of Regulation
      S-K.

     

    (iii)
      Prior to effectiveness of the Exchange
      Offer Registration
      Statement,
      the
      Company and the Guarantors
      shall
      provide a supplemental letter to the Commission
      (A)
      stating
      that the Company and the Guarantors
      are
      registering the Exchange
      Offer in
      reliance on the position of the Commission
      enunciated
      in Exxon
      Capital Holdings Corporation (available
      May
      13,
      1988), Morgan
      Stanley and Co., Inc. (available
      June
      5,
      1991)
      as interpreted in the Commission’s
      letter
      to Shearman
      & Sterling dated
      July
      2,
      1993,
      and, if applicable, any no-action letter obtained pursuant to clause
(i)
      above,
      (B)
      including
      a representation that neither the Company nor any of the Guarantors
      has
      entered into any arrangement or understanding with any Person
      to
      distribute the Exchange
      Notes to
      be
      received in the Exchange
      Offer and
      that,
      to the best of the Company’s and the Guarantors’
      knowledge and belief, each Holder
      participating
      in the Exchange
      Offer is
      acquiring the Exchange
      Notes in
      its
      ordinary course of business and has no arrangement or understanding with any
      Person
      to
      participate in the distribution of the Exchange
      Notes received
      in the Exchange
      Offer and
      (C)
      including
      any other commercially reasonable undertaking or representation required by
      the
Commission
      as
      set
      forth in any no-action letter obtained pursuant to clause (i)
      above,
      if
      applicable.

     

    (b)
      Shelf
      Registration
      Statement.
      In
      connection with the Shelf
      Registration
      Statement,
      the
      Company and the Guarantors
      shall,
      subject to the provisions of Section 5(b)
      hereof,

     

    (i)
      comply
      with all the provisions of Section 6(c)
      below
      and
      use all commercially reasonable efforts to effect such registration to permit
      the sale of the Transfer-Restricted
      Securities
      being
      sold in
      accordance with the intended method or methods of distribution 

     

    
      
        
        

      

      
        8

        
          

        

      

      
        
        

      

    

    thereof
      (as indicated in the information furnished to the Company pursuant to Section
      4(b)
      hereof),
      and pursuant thereto the Company and the Guarantors
      will
      prepare and file with the Commission
      a
      Registration
      Statement relating
      to the registration on any appropriate form under the Securities
      Act,
      which form shall be available for the sale of the Transfer-Restricted
      Securities in
      accordance with the intended method or methods of distribution thereof
      within the time periods and otherwise in accordance with the provisions hereof,
      and

     

    (ii)
      issue,
      upon the request of any Holder
      or
      purchaser of Notes
      covered
      by any Shelf
      Registration
      Statement contemplated
      by this Agreement,
      Exchange
      Notes having
      an
      aggregate principal amount equal to the aggregate
      principal amount of Notes
      sold
      pursuant to the Shelf
      Registration
      Statement and
      surrendered to the Company for cancellation; the Company shall register
Exchange
      Notes in
      the
Shelf
      Registration
      Statement for
      this
      purpose and issue the Exchange
      Notes to
      the
      purchaser(s) of securities subject to the Shelf
      Registration
      Statement in
      the
      names as such purchaser(s) shall designate.

     

    (c)
      General
      Provisions.
      In
      connection with any Registration
      Statement and
      any
      related Prospectus
      required
      by this Agreement,
      the
      Company and the Guarantors
      shall,
      subject to the provisions of Section 5(b)
      hereof:

     

    (i)
      use
      all commercially reasonable efforts to keep such Registration
      Statement continuously
      effective and provide all requisite financial statements for the period
      specified in Section 3
      or
      4 of
      this Agreement,
      as
      applicable. Upon the occurrence
      of any
      event that would cause any such Registration
      Statement or
      the
Prospectus
      contained
      therein (A)
      to
      contain an untrue statement of material fact or omit to state any material
      fact required to be stated therein or necessary to make the statements therein,
      in light
      of the circumstances under which they were made, not misleading or
      (B)
      not
      to be effective and usable for resale of Transfer-Restricted
      Securities during
      the period required by this Agreement,
      the Company and the Guarantors shall
      file promptly an appropriate amendment to such Registration
      Statement curing
      such defect, and, if Commission
      review
      is
      required, use all commercially reasonable efforts to cause such amendment to
      be
      declared effective as soon as practicable;

     

    (ii)
      prepare and file with the Commission
      such
      amendments and post-effective amendments to the applicable Registration
      Statement as
      may be
      necessary to keep such Registration
      Statement effective
      for the applicable period set forth in Section 3
      or
      4
      hereof, as the case may be; cause the Prospectus
      to
      be
      supplemented by any required Prospectus
      supplement,
      and as so supplemented to be filed pursuant to Rule 424 under the Securities
      Act,
      and to
      comply in all material aspects fully with Rules 424, 430A and 462, as
      applicable, under the Securities
      Act in
      a
      timely manner; and comply with the provisions of the Securities
      Act with
      respect to the disposition
      of all securities covered by such Registration
      Statement during
      the applicable period in
      accordance with the intended method or methods of distribution by
      the sellers thereof set forth in such Registration
      Statement or
      supplement to the Prospectus;

     

     

    
      
        
        

      

      
        9

        
          

        

      

      
        
        

      

    

    (iii)
      advise each Holder
      promptly
      and, if requested by such Holder,
      confirm
      such advice in writing, (A)
      when
      the
Prospectus
      or
      any
Prospectus
      supplement
      or post-effective amendment has
      been filed, and, with respect to any applicable Registration
      Statement or
      any
      post-effective amendment thereto, when the same has become effective,
(B)
      of
      any
      request by the Commission
      for
      amendments to the Registration
      Statement or
      amendments or supplements to the Prospectus
      or
      for
      additional information relating thereto, (C)
      of
      the
      issuance by the Commission
      of
      any
      stop order suspending the effectiveness of the Registration
      Statement under
      the
Securities
      Act or
      of the
      suspension by any state securities commission
      of
      the
      qualification of the Transfer-Restricted
      Securities for
      offering or sale in any jurisdiction, or the initiation of any proceeding for
      any of the preceding purposes and (D)
      of
      the
      existence of any fact or the happening of any event that makes any statement
      of
      a material fact made in the Registration
      Statement,
      the
Prospectus,
      any
      amendment or supplement thereto or any document incorporated by reference
      therein untrue, or that requires the making of any additions to or changes
      in
      the Registration
      Statement in
      order
      to make the statements therein not misleading, or that requires the making
      of
      any additions to or changes in the Prospectus
      in
      order
      to make the statements therein, in the
      light
      of the circumstances under which they were made, not misleading.
      If at any time
      the
Commission
      shall
      issue any stop order suspending the effectiveness of the Registration
      Statement,
      or any
      state securities commission
      or
      other
      regulatory authority shall issue an order suspending the qualification or
      exemption from qualification of the Transfer-Restricted
      Securities under
      state securities or Blue Sky laws, the
      Company and the Guarantors
      shall
      use all commercially reasonable efforts to obtain
      the
      withdrawal or lifting of such order at the earliest possible
      time;

     

    (iv)
      subject to Section 6(c)(i)
      hereof,
      if any fact or event contemplated by Section 6(c)(iii)(D)
      above
      shall exist or have occurred, prepare
      a supplement
      or post-effective amendment to
      the
      Registration
      Statement or
      related Prospectus
      or
      any
      document incorporated therein by reference or file any other required document
      so that, as thereafter delivered to the purchasers of Transfer-Restricted
      Securities,
      the
Prospectus
      will
      not
      contain an untrue statement of a material fact or omit to state any material
      fact necessary to make the statements therein, in the
      light
      of the circumstances under which they were made, not misleading;

     

    (v)
      if
      requested by an Initial
      Purchaser or
      a
Holder
      named
      in
      the Shelf
      Registration
      Statement,
      furnish
      to such Holder
      in
      connection with such exchange or sale, if any, before filing with the
Commission,
      copies
      of any Registration
      Statement or
      any
Prospectus
      included
      therein or any amendments or supplements to any such Registration
      Statement or
      Prospectus,
      which
      documents will be subject to the review and comment of such Holders
      in
      connection with such sale, if any, for a period of at least three days, and
      the
      Company will not file any such Registration
      Statement or
      Prospectus
      or
      any
      amendment or supplement to any such Registration
      Statement or
      Prospectus
      to
      which
      such Holders
      shall
      reasonably object within three days after the receipt thereof. A Holder
      shall
      be
      deemed to have reasonably objected to such filing if such Registration
      Statement,
      amendment, Prospectus
      or
      supplement, as applicable, as proposed to be filed, contains an untrue statement
      of a material fact or omits to state any material fact required to be stated
      therein or necessary to make the statements therein,
      in light
      of the circumstances under 

     

    
      
        
        

      

      
        10

        
          

        

      

      
        
        

      

    

    which
      they were made, not misleading or
      fails
      to comply in all material aspects with the applicable requirements of the
Securities
      Act;

     

    (vi)
      in
      the case of any Shelf
      Registration
      Statement,
      or any
      post-effective amendment thereto subsequent to the filing thereof and prior
      to
      its effectiveness, make available, at reasonable times, for inspection by each
      Holder
      and
      any
      attorney or accountant retained by such Holder,
      all
      financial and other records, pertinent corporate documents of the Company and
      the Guarantors
      reasonably
      requested by any such Holder,
      attorney or accountant and cause the Company’s and the Guarantors’
      officers, directors and employees to supply all information reasonably requested
      by any such Holder,
      attorney or accountant in connection with such Shelf
      Registration
      Statement or
      any
      post-effective amendment thereto subsequent to the filing
      thereof
      and prior to its effectiveness; provided, however, that any information that
      is
      designated in writing by the Company or the Guarantors
      as
      confidential at the time of delivery of such information shall be kept
      confidential by the Holders
      or
      any
      such attorney or accountant, unless such disclosure is made in connection with
      a
      court proceeding or required by law;

     

    (vii)
      if
      requested by any Holders
      in
      connection with such exchange or sale, promptly include in any Shelf
      Registration
      Statement or
      Prospectus,
      pursuant to a supplement
      or post-effective amendment if
      necessary, such information as such Holders
      may
      reasonably request to have included therein, including, without limitation,
      information relating to the “Plan
      of
      Distribution”
of
      the
Transfer-Restricted
      Securities;
      and
      make all required filings of such Prospectus
      supplement
      or post-effective amendment as
      soon
      as practicable after the Company is notified of the matters to be included
      in
      such Prospectus
      supplement
      or post-effective amendment;

     

    (viii)
      furnish to each Holder,
      upon such Holder’s request, in
      connection with such exchange or sale, without charge, at least one copy of
      the
Shelf
      Registration
      Statement,
      as
      first filed with the Commission,
      and of
      each amendment
      thereto,
      including all documents incorporated by reference therein and all exhibits
      (including exhibits incorporated therein by reference); provided, however,
      that
      such information shall not be required to be so furnished if it is available
      through the Commission’s EDGAR System;

     

    (ix)
      deliver to each Holder,
      upon
      such Holder’s
      request, without charge, as many copies of the Prospectus
      (including
      each preliminary prospectus)
      and any
      amendment or supplement thereto as such Persons
      reasonably
      may request;
      the
      Company and the Guarantors
      hereby
      consent to the use (in accordance with law) of the Prospectus
      and
      any
      amendment or supplement thereto by each selling Holder
      in
      connection with the offering and the sale of the Transfer-Restricted
      Securities covered
      by the Prospectus
      or
      any
      amendment or supplement thereto;

     

    (x)
      upon
      the request of any Holder,
      enter
      into such agreements (including underwriting agreements) and make such
      representations and warranties customary for offerings of such type as may
      be
      reasonably requested and take all
      such
      other actions in connection therewith in order to expedite or facilitate the
      disposition of the Transfer-Restricted
      Securities pursuant
      to any applicable Shelf
      Registration
      Statement contemplated
      by this Agreement
      as
      may be
      reasonably requested by any Holder
      in
      

     

    
      
        
        

      

      
        11

        
          

        

      

      
        
        

      

    

    connection
      with any sale or resale pursuant to any applicable Shelf
      Registration
      Statement.
      In such
      connection, the Company and the Guarantors
      shall:

     

    (A)
      upon
      request of any Holder,
      use all
      commercially reasonable efforts to cause to be furnished, upon the effectiveness
      of the Shelf
      Registration
      Statement:

     

    (1)
      an
      opinion, dated the date of effectiveness of the Shelf
      Registration
      Statement of
      counsel for the Company and the Guarantors
      covering
      matters as are customarily covered in opinions requested in underwritten
      offerings and such other matters as such Holder
      may
      reasonably request; and

     

    (2)
      a
      customary comfort letter, dated the date of effectiveness of the Shelf
      Registration
      Statement from
      the
      independent registered public accounting firm of the Company, in the customary
      form and covering matters of the type customarily covered in comfort letters
      to
      underwriters in connection with underwritten offerings; and

     

    (B)
      deliver such other documents and certificates as may be reasonably requested
      by
      the selling Holders
      to
      evidence compliance with the matters covered in clause (A)
      above
      and
      with any customary conditions contained in any agreement entered into by the
      Company and the Guarantors
      pursuant
      to this clause (xi);

     

    (xi)
      prior to any public offering of Transfer-Restricted
      Securities,
      cooperate with the selling Holders
      and
      their
      counsel in connection with the registration and qualification of the
Transfer-Restricted
      Securities under
      the
      securities or Blue Sky laws of such jurisdictions as the selling Holders
      may
      reasonably request and do any and all other commercially reasonable acts or
      things necessary or advisable to enable the disposition in such jurisdictions
      of
      the Transfer-Restricted
      Securities covered
      by the applicable Registration
      Statement,
      but in
      no event for longer than 365 days from the effective date of the Registration
      Statement;
      provided,
      however,
      that
      neither the Company nor any Guarantor shall be required to register or qualify
      as a foreign corporation where it is not now so qualified or to take any action
      that would subject it to the service of process in suits or to taxation, other
      than as to matters and transactions relating to the Registration
      Statement,
      in any
      jurisdiction where it is not now so subject;

     

    (xii)
      in
      connection with any sale of Transfer-Restricted
      Securities that
      will
      result in such securities no longer being Transfer-Restricted
      Securities,
      reasonably cooperate with the Holders
      to
      facilitate the timely preparation and delivery of certificates representing
      Transfer-Restricted
      Securities to
      be
      sold and not bearing any restrictive legends; and to register such Transfer-Restricted
      Securities in
      such
      denominations and such names as the selling Holders
      may
      request at least two business days prior to such sale of Transfer-Restricted
      Securities;

     

     

    
      
        
        

      

      
        12

        
          

        

      

      
        
        

      

    

    (xiii)
      use all commercially reasonable efforts to cause the disposition of the
Transfer-Restricted
      Securities covered
      by the Registration
      Statement to
      be
      registered with or approved by such other governmental agencies or authorities
      as may reasonably be necessary to enable the seller or sellers thereof to
consummate the
      disposition of such Transfer-Restricted
      Securities,
      but in
      no event for longer than 365 days from the effective date of the Registration
      Statement,
      subject
      to the proviso contained in clause (xii)
      above;

     

    (xiv)
      provide a CUSIP number for all Transfer-Restricted
      Securities not
      later
      than the effective date of a Registration
      Statement covering
      such
Transfer-Restricted
      Securities and
      provide the Trustee
      under
      the
Indenture
      with
      printed certificates for the Transfer-Restricted
      Securities which
      are
      in a form eligible for deposit with CDS Clearing and Depository Services,
      Inc;

     

    (xv)
      otherwise use all commercially reasonable efforts to comply with all applicable
      rules and regulations of the Commission,
      and
      with regard to any Shelf
      Registration
      Statement for
      which
      an underwriter has been engaged, use all commercially reasonable efforts to
      make
      generally available to its security holders,
      as soon
      as practicable, a consolidated earnings statement meeting the requirements
      of
      Rule 158 under the Securities
      Act (which
      need not be audited) covering
      a twelve-month period beginning after the effective date of the Registration
      Statement (as
      such
      term is defined in paragraph (c)
      of
      Rule
      158
under
      the
Securities
      Act);

     

    (xvi)
      cause the Indenture
      to
      be
      qualified under the TIA
      not
      later
      than the effective date of the first Registration
      Statement required
      by this Agreement
      and,
      in
      connection therewith, cooperate with the Trustee
      and
      the
Holders to
      effect
      such changes to the Indenture
      as
      may be
      required for such Indenture
      to
      be so
      qualified in accordance with the terms of the TIA;
      and
      execute and use all commercially reasonable efforts to cause the Trustee
      to
      execute, all documents that may be required to effect such changes and all
      other
      forms and documents required to be filed with the Commission
      to
      enable
      such Indenture
      to
      be so
      qualified in a timely manner; and

     

    (xvii)
      unless otherwise available
      through
      the Commission’s EDGAR System, provide promptly to each Holder,
      upon
      request, each document filed with the Commission
      pursuant
      to the requirements of Section 13
      or
      Section 15(d)
      of
      the
Exchange
      Act.

     

    (d)
      Restrictions
      on Holders.
      Each
Holder
      agrees
      by
      acquisition of a Transfer-Restricted
      Security that,
      upon receipt of the notice referred to in Section 6(c)(iii)(C)
      or
      any
      notice from the Company of the existence of any fact of the kind described
      in
      Section 6(c)(iii)(D)
      hereof
      (in each case, a “Suspension
      Notice”),
      such
Holder
      will
      forthwith discontinue disposition of Transfer-Restricted
      Securities pursuant
      to the applicable Registration
      Statement until
      (i)
      such
      Holder
      has
      received copies of the supplemented or amended Prospectus
      contemplated
      by Section 6(c)(iv)
      hereof,
      or (ii)
      such
      Holder
      is
      advised in writing by the Company that the use of the Prospectus
      may
      be
      resumed, and has received copies of any additional or supplemental filings
      that
      are incorporated by reference in the Prospectus
      (in
      each
      case, the “Recommencement
      Date”).
      Each
Holder
      receiving
      a Suspension
      Notice hereby
      agrees that it will either (i)
      destroy
      any Prospectuses,
      other
      than permanent file copies, then in such Holder’s
      possession which have 

     

    
      
        
        

      

      
        13

        
          

        

      

      
        
        

      

    

    been
      replaced by the Company with more recently dated Prospectuses
      or
      (ii)
      deliver
      to the Company (at the Company’s expense) all copies, other than permanent file
      copies, then in such Holder’s
      possession of the Prospectus
      covering
      such Transfer-Restricted
      Securities that
      was
      current at the time of receipt of the Suspension
      Notice.
      The
      time period regarding the effectiveness of such Registration
      Statement set
      forth
      in Section 3
      or
      4
      hereof, as applicable, shall be extended by a number of days equal to the number
      of days in the period from and including the date of delivery of the
Suspension
      Notice to
      the
Recommencement
      Date.

     

    SECTION
      7. REGISTRATION EXPENSES

     

    (a)
      All
      expenses incident to the Company’s and the Guarantors’
      performance of or compliance with this Agreement
      will
      be
      borne by the Company, regardless of whether a Registration
      Statement becomes
      effective, including without limitation: (i)
      all
      registration and filing fees and expenses; (ii)
      all
      fees
      and expenses of compliance with federal securities and state Blue Sky or
      securities laws; (iii)
      all
      expenses of printing (including printing certificates for the Exchange
      Notes to
      be
      issued in the Exchange
      Offer and
      printing of Prospectuses),
      messenger and delivery services and telephone; (iv)
      all
      fees
      and disbursements of outside counsel for the Company and the Guarantors;
      and
(v)
      fees
      and
      disbursements of the independent registered public accounting firm of the
      Company and the Guarantors
      (including
      the expenses of any special audit and comfort letters required by or incident
      to
      such performance).

     

    The
      Company
      will, in any event, bear its and the Guarantors’
      internal expenses (including, without limitation, all salaries and expenses
      of
      its officers and employees performing legal or accounting duties), the expenses
      of any annual audit and the fees and expenses of any person,
      including special experts, retained by the Company or the Guarantors.

     

    (b)
      In
      connection with any Registration
      Statement required
      by this Agreement
      (including,
      without limitation, the Exchange
      Offer Registration
      Statement and
      the
Shelf
      Registration
      Statement),
      the
      Company and the Guarantors
      will
      reimburse the Initial
      Purchasers and
      the
Holders
      of
      Transfer-Restricted
      Securities who
      are
      tendering Notes
      in
      the
Exchange
      Offer and/or
      selling or reselling Notes
      or
      Exchange
      Notes pursuant
      to the “Plan
      of
      Distribution”
      contained in the Exchange
      Offer Registration
      Statement or
      the
Shelf
      Registration
      Statement,
      as
      applicable, for the reasonable and actual fees and disbursements of not more
      than one counsel, who shall be Latham
      & Watkins LLP,
      unless
      another firm shall be chosen by the Holders
      of
      a
      majority in principal amount of the Transfer-Restricted
      Securities for
      whose
      benefit such Registration
      Statement is
      being
      prepared.

     

    SECTION
      8. INDEMNIFICATION

     

    (a)
      The
      Company and the Guarantors
      agree,
      jointly and severally, to indemnify and hold harmless each Holder,
      its
      directors, officers and each Person,
      if any,
      who controls such Holder
      (within
      the meaning of Section 15
      of
      the
Securities
      Act or
      Section 20
      of
      the
Exchange
      Act),
      from
      and against any and
      all
      losses, claims, damages, liabilities, judgments (including
      without limitation, any legal or other expenses incurred in connection with
      investigating or defending any claim) caused by any untrue statement or alleged
      untrue statement of a material fact contained in any Registration
      Statement,
      preliminary prospectus
      or
      Prospectus
      (or
      any
      amendment or supplement thereto) provided by the Company to any Holder
      or
      any
      prospective 

     

    
      
        
        

      

      
        14

        
          

        

      

      
        
        

      

    

    purchaser
      of Exchange
      Notes or
      registered Notes,
      or
      caused by any omission or alleged omission to state therein a material fact
      required to be stated therein or necessary to make the statements
      therein,
      in light
      of the circumstances under which they were made, not misleading,
      except insofar as such
      losses, claims, damages, liabilities or judgments are
      caused
      by an untrue statement or omission or alleged untrue statement or omission
      that
      is based upon information relating to any of the Holders
      furnished
      in writing to the Company by or on behalf of any of the Holders.

     

    (b)
      Each
Holder
      of
      Transfer-Restricted
      Securities agrees,
      severally and not jointly, to indemnify and hold harmless the Company and the
      Guarantors,
      and
      their respective directors, officers, partners, employees, representatives
      and
      agents and each person, if any, who controls (within the meaning of Section
      15
      of
      the
Securities
      Act or
      Section 20
      of
      the
Exchange
      Act)
      the
      Company, or the Guarantors
      to
      the
      same extent as the foregoing indemnity from the Company and the Guarantors
      set
      forth
      in section (a)
      above,
      but only with reference to information relating to such Holder
      furnished
      in writing to the Company by or on behalf of such Holder
      expressly
      for use in any Registration
      Statement
      or
Prospectus
      (or
      any
      amendment or supplement thereto). In no event shall any Holder,
      its
      directors, officers or any Person
      who
      controls such Holder
      be
      liable
      or responsible for any amount in excess of the total amount received by such
      Holder
      with
      respect to its sale of Transfer-Restricted
      Securities or
      Exchange
      Notes pursuant
      to a Registration
      Statement.

     

    (c)
      In
      case any action shall be commenced involving any person in respect of which
      indemnity may be sought pursuant to Section 8(a)
      or
      8(b)
      (the “indemnified
      party”),
      the
indemnified
      party shall
      promptly notify the person against whom such indemnity may be sought (the
“indemnifying
      person”)
      in
      writing. In case any such action is brought against any indemnified
      party,
      and it
      notifies an indemnifying party of the commencement thereof, the indemnifying
      party will be entitled to participate therein, and to the extent it may elect
      by
      written notice delivered to the indemnified
      party promptly
      after receiving the aforesaid notice from such indemnified
      party,
      to
      assume the defense thereof with counsel reasonably satisfactory to such
indemnified
      party.
      Notwithstanding the foregoing, the indemnified
      party or
      parties shall have the right to employ separate counsel in any such action
      and
      participate in the defense thereof, but the fees and expenses of such counsel
      shall be at the expense of the indemnified
      party unless
      (i)
      the
      employment of such counsel shall have been specifically authorized in writing
      by
      the indemnifying party, (ii)
      the
      indemnifying party shall have failed to assume the defense of such action or
      employ counsel reasonably satisfactory to the indemnified
      party or
      (iii)
      the
      named
      parties to any such action (including any impleaded parties) include both the
      indemnified
      party and
      the
      indemnifying party, and the indemnified
      party shall
      have been advised by such counsel that there may be one or more legal defenses
      available to it which are different from or additional to those available to
      the
      indemnifying party (in which case the indemnifying party shall not have the
      right to assume the defense of such action on behalf of the indemnified
      party).
      In any
      such case, the indemnifying party shall not, in connection with any one action
      or separate but substantially similar or related actions in the same
      jurisdiction arising out of the same general allegations or circumstances,
      be
      liable for the fees and expenses of more than one separate firm of attorneys
      (in
      addition to any local counsel) for all indemnified parties and all such fees
      and
      expenses shall be reimbursed as they are incurred. Such firm shall be designated
      in writing by a majority of the Holders,
      in the
      case of the parties indemnified pursuant to Section 8(a),
      and by
      the Company and the Guarantors,
      in the
      case of parties indemnified pursuant to Section 8(b).
      No
      indemnifying party shall, without the prior written consent of the indemnified
      party,
      effect
      any 

     

    
      
        
        

      

      
        15

        
          

        

      

      
        
        

      

    

    settlement
      or compromise of, or consent to the entry of judgment with respect to, any
      pending or threatened action in respect of which the indemnified
      party is
      or
      reasonably could have been a party and indemnity or contribution may be or
      reasonably could have been sought hereunder by the indemnified
      party,
      unless
      such settlement, compromise or judgment (i)
      includes
      an unconditional release of the indemnified
      party from
      all
      liability on claims that are the subject matter of such action and (ii)
      does
      not
      include a statement as to or an admission of fault, culpability or a failure
      to
      act, by or on behalf of the indemnified
      party.
      No
      indemnifying party shall be liable for any settlement on its behalf, effectuated
      without its consent.

     

    (d)
      To
      the extent that
      the indemnification provided for in this Section 8
      is
      unavailable to an indemnified
      party in
      respect of any
      losses, claims, damages, liabilities or judgments referred
      to therein, then each indemnifying party, in lieu of indemnifying such
indemnified
      party,
      shall contribute to the amount paid or payable by such indemnified
      party as
      a result of such
      losses, claims, damages, liabilities or judgments (i)
      in
      such proportion as is appropriate to reflect the relative benefits received
      by
      the Company and the Guarantors,
      on the one hand, and the Holders,
      on the other hand, from their sale of Transfer-Restricted
      Securities or
      (ii)
      if
      the allocation provided by clause 8(d)(i)
      is
      not permitted by applicable law, in such proportion as is appropriate to reflect
      not only the relative benefits referred to in clause 8(d)(i)
      above
      but also the relative fault of the Company and the Guarantors,
      on the one hand, and of the Holder,
      on the other hand, in connection with the statements or omissions which resulted
      in such
      losses, claims, damages, liabilities or judgments,
      as well as any other relevant equitable considerations. The relative fault
      of
      the Company and the Guarantors,
      on the one hand, and of the Holder,
      on the other hand, shall be determined by reference to, among other things,
      whether the untrue or alleged untrue statement of a material fact or the
      omission or alleged omission to state a material fact relates to information
      supplied by the Company or the Guarantors,
      on the one hand, or by the Holder,
      on the other hand, and the parties’ relative intent, knowledge, access to
      information and opportunity to correct or prevent such statement or omission.
      The amount paid or payable by a party as a result of the
      losses, claims, damages, liabilities and judgments referred
      to above shall be deemed to include, subject to the limitations set forth in
      the
      second paragraph
      of
      Section 8(a),
      any
      outside legal counsel or other fees or expenses reasonably incurred by such
      party in connection with investigating or defending any action or
      claim.

     

    The
      Company,
      the Guarantors
      and
      each
Holder
      agree
      that it would not be just and equitable if contribution pursuant to this Section
      8(d)
      were
      determined by pro rata allocation (even if the Holders
      were
      treated as one entity for such purpose) or by any other method of allocation
      which does not take account of the equitable considerations referred to in
      the
immediately
      preceding paragraph. The amount paid or payable by an indemnified
      party as
      a result of the
      losses, claims, damages, liabilities or judgments referred
      to
      in the
      immediately preceding paragraph shall be deemed to include, subject to the
      limitations set forth above, any outside legal counsel or other expenses
      reasonably incurred by such indemnified
      party in
      connection with investigating or defending any matter, including any action
      that
      could have given rise
      to such
      losses, claims, damages, liabilities or judgments.
      Notwithstanding
      the provisions of this Section 8,
      no
Holder,
      its
      directors, its officers or any Person,
      if any,
      who controls such Holder
      shall
      be
      required to contribute, in the aggregate, any amount in excess of the total
      received by such Holder
      with
      respect to the sale of Transfer-Restricted
      Securities or
      Exchange
      Notes pursuant
      to a Registration
      Statement.
      No
      person guilty of fraudulent misrepresentation (within the meaning of Section
      11(f)
      of
      the
Securities
      Act)
      shall
      be entitled to 

     

    
      
        
        

      

      
        16

        
          

        

      

      
        
        

      

    

    contribution
      from any person who was not guilty of such fraudulent misrepresentation. The
      Holders’
      obligations to contribute pursuant to this Section 8(d)
      are
      several in proportion to the respective principal amount of Transfer-Restricted
      Securities or
      Exchange
      Notes held
      by
      each Holder
      hereunder
      and not joint.

     

    SECTION
      9. RULE 144A AND RULE 144

     

    The
      Company
      and the Guarantors
      agree
      with each Holder,
      for so
      long as any Transfer-Restricted
      Securities remain
      outstanding and during any period in which the Company or the Guarantors
      (i)
      are
      not
      subject to Section 13
      or
      15(d)
      of the Exchange
      Act,
      to make
      available, upon request of any Holder,
      to such
Holder
      or
      beneficial owner of Transfer-Restricted
      Securities in
      connection with any sale thereof and any prospective purchaser of such
Transfer-Restricted
      Securities designated
      by such Holder
      or
      beneficial owner, the information required by Rule 144A(d)(4) under the
Securities
      Act in
      order
      to permit resales of such Transfer-Restricted Securities pursuant to
Rule
      144A,
      and
(ii)
      are
      subject to Section 13
      or
      15 (d)
      of the Exchange
      Act,
      to make
      all filings required thereby in a timely manner in order to permit resales
      of
      such Transfer-Restricted
      Securities pursuant to Rule 144.

     

    SECTION
      10. MISCELLANEOUS

     

    (a)
      Remedies.
      The
      Company acknowledges and agrees that any failure by the Company to comply with
      its obligations under Sections 3
      and
      4
      hereof may result in material irreparable injury to the Initial
      Purchasers or
      the
Holders
      for
      which
      there is no adequate remedy at law, that it will not be possible to measure
      damages for such injuries precisely and that, in the event of any such failure,
      the Initial
      Purchasers or
      any
Holder
      may
      obtain such relief as may be required to specifically enforce the Company’s
      obligations under Sections 3
      and
      4
      hereof. The Company further agrees to waive the defense in any action for
      specific performance that a remedy at law would be adequate.

     

    (b)
      No
      Inconsistent Agreements.
      Neither
      the Company nor any Guarantor will, on or after the date of this Agreement,
      enter
      into any agreement with respect to its securities that is inconsistent with
      the
      rights granted to the Holders
      in
      this
Agreement
      or
      otherwise conflicts with the provisions hereof. Neither the Company nor any
      Guarantor has previously entered into any agreement granting any registration
      rights with respect to its securities to any Person
      that
      would require such securities to be included in any Registration
      Statement filed
      hereunder.
      The
      rights granted to the Holders
      hereunder
      do not in any way conflict with and are not inconsistent with the rights granted
      to the holders of the Company’s and the Guarantors’
      securities under any agreement in effect on the date hereof.

     

    (c)
      Amendments
      and Waivers.
      The
      provisions of this Agreement
      may
      not
      be amended, modified or supplemented, and waivers or consents to or departures
      from the provisions hereof may not be given unless (i)
      in
      the
      case of Section 5
      hereof
      and this Section 10(c)(i),
      the
      Company has obtained the written consent of Holders
      of
      all
      outstanding Transfer-Restricted
      Securities and
      (ii)
      in
      the
      case of all other provisions hereof, the Company has obtained the written
      consent of Holders
      of
      a
      majority of the outstanding principal amount of Transfer-Restricted
      Securities (excluding
      Transfer-Restricted
      Securities held
      by
      the Company or its Affiliates). Notwithstanding the foregoing, a waiver or
      consent to departure from the provisions 

     

    
      
        
        

      

      
        17

        
          

        

      

      
        
        

      

    

    hereof
      that relates exclusively to the rights of Holders
      whose
      Transfer-Restricted
      Securities are
      being
      tendered pursuant to the Exchange
      Offer,
      and
      that does not affect directly or indirectly the rights of other Holders
      whose
      Transfer-Restricted
      Securities are
      not
      being tendered pursuant to such Exchange
      Offer,
      may be
      given by the Holders
      of
      a
      majority of the outstanding principal amount of Transfer-Restricted
      Securities subject
      to such Exchange
      Offer.

     

    (d)
      Third
      Party Beneficiary.
      The
Holders
      shall
      be
      third party beneficiaries to the agreements made hereunder between the Company
      and the Guarantors,
      on the
      one hand, and the Initial
      Purchasers,
      on the
      other hand, and shall have the right to enforce such agreements directly to
      the
      extent they may deem such enforcement necessary or advisable to protect their
      rights or the rights of Holders
      hereunder.

     

    (e)
      Notices.
      All
      notices and other communications provided for or permitted hereunder shall
      be
      made in writing by hand-delivery, first-class mail (registered or certified,
      return receipt requested), telex, telecopier, or air courier guaranteeing
      overnight delivery:

     

    (i)
      if to
      a Holder,
      at the
      address set forth on the records of the Registrar under the Indenture,
      with a
      copy to the Registrar under the Indenture;
      and

     

    (ii)
      if
      to the Company or the Guarantors:

     

    Iron
      Mountain Incorporated 

    745
      Atlantic Avenue,
      10th
      Floor

    Boston,
      MA
      02111

    Attention:
      Gary B. Watzke

     

    with
      a
      copy
      to:

     

    Sullivan
      &
      Worcester LLP

    One
      Post
      Office Square

    Boston,
      MA
      02109

    Attention:
      William
      J. Curry

     

    if
      to
Iron
      Mountain Statutory Trust
      - 1998 or
      Iron Mountain Statutory Trust
      - 1999, copies to:

     

    US
      Bank
      National Association

    One
      Federal
      Street,
      Third
      Floor

    Boston,
      Massachusetts
      02110

    Attention:
      John
      G. Correia, Vice
      President

     

    Gesmer
      Updegrove
      LLP

    40
      Broad
      Street

    Boston,
      Massachusetts
      02111

    Attention:
      Sean
      W. Gilligan, Esq.

     

    Iron
      Mountain Incorporated 

    745
      Atlantic Avenue,
      10th
      Floor

    
      
        
        

      

      
        18

        
          

        

      

      
        
        

      

    

    Boston,
      MA
      02111

    Attention:
      Gary B. Watzke

     

    Sullivan
      & Worcester LLP

    One
      Post Office Square

    Boston,
      MA
      02109

    Attention:
      William
      J. Curry

     

    (iii)
      if
      to the Initial
      Purchasers:

     

    Bear,
      Stearns
      & Co. Inc.

    Scotia
      Capital
      (USA) Inc.

    Banc
      of America Securities LLC

    J.
      P. Morgan Securities Inc.

    Lehman
      Brothers
      Inc.

    BNY
      Capital
      Markets, Inc.

    Wells
      Fargo
      Securities, LLC

     c/o
      Bear
      Stearns & Co. Inc.

     383
      Madison
      Avenue

     New
      York,
      NY
      10179

    Attention.:
      Corporate
      Finance Department

    with
      a
      copy
      to:

     

    Latham
      &
      Watkins LLP

    885
      Third
      Avenue, Suite 1000

    New
      York,
      NY
      10022

    Attention:
      Robert
      A. Zuccaro

     

    All
      such
      notices and communications shall be deemed to have been duly given at the time
      delivered by hand, if personally delivered; five business days after being
      deposited in the mail, postage prepaid, if mailed; when receipt acknowledged,
      if
      telecopied; and on the next business day, if timely delivered to an air courier
      guaranteeing overnight delivery.

     

    Copies
      of
      all
      such notices, demands or other communications shall be concurrently delivered
      by
      the Person giving the same to the Trustee at the address specified in the
Indenture.

     

    (f)
      Successors
      and Assigns.
      This
Agreement
      shall
      inure to the benefit of and be binding upon the successors and assigns of each
      of the parties, including without limitation and without the need for an express
      assignment, subsequent Holders;
      provided,
      that
      nothing herein shall be deemed to permit any assignment, transfer or other
      disposition of Transfer-Restricted
      Securities in
      violation of the terms hereof or of the Purchase
      Agreement or
      the
Indenture.
      If any
      transferee of any Holder
      shall
      acquire Transfer-Restricted
      Securities in
      any
      manner, whether by operation of law or otherwise, such Transfer-Restricted
      Securities shall
      be
      held subject to all of the terms of this Agreement,
      and by
      taking and holding such Transfer-Restricted
      Securities such
      person
      shall
      be
      conclusively deemed to have agreed to be bound by and to perform all of the
      terms and provisions of this Agreement,
      including the restrictions on resale set forth in this 

     

    
      
        
        

      

      
        19

        
          

        

      

      
        
        

      

    

    Agreement
      and,
      if
      applicable, the Purchase
      Agreement,
      and
      such Person
      shall
      be
      entitled to receive the benefits hereof.

     

    (g)
      Guarantors.
      The
      Company shall cause any of its Subsidiaries
      that
      becomes, prior to the consummation of the Exchange
      Offer,
      a
Guarantor
      (as
      defined in the Indenture)
      to
      become party to this Agreement
      and
      assume, jointly and severally with the Company and any other Guarantors,
      the
      continuing duties and obligations of the Company under this Agreement
      as
      if
      such Subsidiary
      was
      an
      original signatory to this Agreement
      on
      the
      date hereof.

     

    (h)
      Counterparts.
      This
Agreement
      may
      be
      executed in any number of counterparts and by the parties hereto in separate
      counterparts, each of which when so executed shall be deemed to be an original
      and all of which taken together shall constitute one and the same
      agreement.

     

    (i)
      Headings.
      The
      headings in this Agreement
      are
      for
      convenience of reference only and shall not limit or otherwise affect the
      meaning hereof.

     

    (j)
      Governing Law.
      THIS
      AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF
      THE
      STATE OF NEW
      YORK,
      WITHOUT
      REGARD TO THE CONFLICTS OF LAWS
      RULES THEREOF.

     

    (k)
      Severability.
      In the
      event that any one or more of the provisions contained herein, or the
      application thereof in any circumstance, is held invalid, illegal or
      unenforceable, the validity, legality and enforceability of any such provision
      in every other respect and of the remaining provisions contained herein shall
      not be affected or impaired thereby.

     

    (l)
      Entire
      Agreement.
      This
Agreement
      is
      intended by the parties as a final expression of their agreement and intended
      to
      be a complete and exclusive statement of the agreement and understanding of
      the
      parties hereto in respect of the subject matter contained herein. There are
      no
      restrictions, promises, warranties or undertakings, other than those set forth
      or referred to herein with respect to the registration rights granted with
      respect to the Transfer-Restricted
      Securities.
      This
Agreement
      supersedes
      all prior agreements and understandings between the parties with respect to
      such
      subject matter.

     

    [Signature
      Pages Follow]

     

    
      
        
        

      

      
        20

        
          

        

      

      
        
        

      

    

    IN
      WITNESS
      WHEREOF, the parties have executed this Agreement
      as
      of the
      date first written above.

     

    
      	 	
              IRON
                MOUNTAIN
                NOVA SCOTIA FUNDING COMPANY

               

            
	 	
              By:
                /s/
                Garry B. Watzke

            
	 	
              Name:
                Garry B. Watzke

            
	 	
              Title:
                Senior Vice President and General Counsel

               

            
	 	
              IRON
                MOUNTAIN
                INCORPORATED

            
	 	
              COMAC,
                INC.

            
	 	
              IRON
                MOUNTAIN
                INTELLECTUAL PROPERTY MANAGEMENT, INC.

            
	 	
              IRON
                MOUNTAIN
                GLOBAL, INC.

            
	 	
              IRON
                MOUNTAIN
                GOVERNMENT SERVICES INCORPORATED

            
	 	
              IRON
                MOUNTAIN
                INFORMATION MANAGEMENT, INC.

            
	 	
              MOUNTAIN
                REAL
                ESTATE ASSETS, INC.

            
	 	
              MOUNTAIN
                RESERVE
                III, INC.

            
	 	
              TREELINE
                SERVICES
                CORPORATION

            
	 	
              NETTLEBED
                ACQUISITION
                CORP.

               

            
	 	
              By:
                /s/
                Garry B. Watzke

              Name:
                Garry B. Watzke

            
	 	
              Title:
                Senior Vice President and General Counsel

               

            

    

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    

     

    
      	 	
              IRON
                MOUNTAIN GLOBAL LLC

               

            
	 	
              By:
                Iron Mountain Global, Inc., its sole member

               

            
	 	
              By:/s/
                Garry B. Watzke

              Name:
                Garry B. Watzke

            
	 	
              Title:
                Senior Vice President and General Counsel

               

            
	 	
              IRON
                MOUNTAIN
                STATUTORY TRUST
                -
                1998

               

            
	 	
              By:
                U.S.
                BANK
                NATIONAL ASSOCIATION,
                not

                  
 individually
                but as Owner
                Trustee under that 

                    
                certain Amended
                and Restated Owner Trust 

                  
Agreement
dated
                as of October 1,
                1998, as amended

               

            
	 	
                   
By:
                /s/ John Correia

                            
                Name: John Correia

            
	 	
                         
                Title:
                Vice President

               

            
	 	
              IRON
                MOUNTAIN
                STATUTORY TRUST -
                1999

               

            
	 	
              By:
                U.S.
                BANK
                NATIONAL ASSOCIATION,
                not 

                   
individually
                but as Owner
                Trustee under that 

                     
                certain Amended
                and Restated Owner Trust 

                   
Agreement
dated
                as of July 1,
                1999, as amended

               

            
	 	
                     
                By:
                /s/ John Correia

            
	 	
                       
Name:
                John Correia

            
	 	
                       
Title:
                Vice President

            

    

    

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    

    Accepted
      and
      agreed to as of

    the
      date
      first above written:

     

    BEAR,
      STEARNS & CO. INC.

     

    By:/s/
      Dominick Petrosino

    Name: Dominick
      Petrosino

    Title: Senior
      Managing Director

     

    SCOTIA
      CAPITAL
      (USA) INC.

     

    
      By:/s/
        Keith Rodriques

      Name: Keith
        Rodriques

      Title: Managing
        Director, President & COO

       

    

    BANC
      OF
      AMERICA
      SECURITIES
      LLC

     

    
      By:/s/
        John McCusker

      Name: John
        McCusker

      Title: Managing
        Director

       

    

    J.
      P. MORGAN SECURITIES INC.

     

    
      By:/s/
        Steven Tulip

      Name: Steven
        Tulip

      Title: Managing
        Director

       

    

    LEHMAN
      BROTHERS
      INC.

     

    
      By:/s/
        Jean-Francois Astier

      Name: Jean-Francois
        Astier

      Title: Managing
        Director

    

     

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    BNY
      CAPITAL
      MARKETS, INC.

     

    
      By:/s/
        Phil Benedict

      Name: Phil
        Benedict

      Title: Vice
        President

       

    

    WELLS
      FARGO
      SECURITIES, LLC

     

    
      By:/s/
        Paul V. Farrell

      Name: Paul
        V. Farrell

      Title: Managing
        Director

    

    

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    

     

    SCHEDULE
      I

     

    GUARANTORS

     

    
      	 	
              Iron
                Mountain Incorporated

            
	 	
              COMAC,
                Inc.

            
	 	
              Iron
                Mountain Global, Inc.

            
	 	
              Iron
                Mountain Global LLC

            
	 	
              Iron
                Mountain Government Services Incorporated

            
	 	
              Iron
                Mountain Information Management, Inc.

            
	 	
              Iron
                Mountain Intellectual Property Management, Inc.

            
	 	
              Iron
                Mountain Statutory Trust - 1998

            
	 	
              Iron
                Mountain Statutory Trust - 1999

            
	 	
              Mountain
                Real Estate Assets, Inc.

            
	 	
              Mountain
                Reserve III, Inc.

            
	 	
              Nettlebed
                Acquisition Corp.

            
	 	
              Treeline
                Services Corporation

            

    

    

     

    
      
        
        

      

      
        I-1

        
          

        

      

      
        
        

      

    

    

     

    SCHEDULE
      II

     

    INITIAL
      PURCHASERS

    

    
      	 	
              Bear,
                Stearns & Co. Inc.

            
	 	
              Scotia
                Capital (USA) Inc.

            
	 	
              Banc
                of America Securities LLC

            
	 	
              J.
                P. Morgan Securities Inc.

            
	 	
              Lehman
                Brothers Inc.

            
	 	
              BNY
                Capital Markets, Inc.

            
	 	
              Wells
                Fargo Securities, LLC

            

    

    
 

     

     

     

     

     II-1

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