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Exhibit 10.17    
    

 
 

SUBLEASE AGREEMENT    
    

        THIS SUBLEASE AGREEMENT (the "Agreement") is made and entered into as of the 21st day of March, 2005, but effective as of March 16, 2005 by and between  Particle Drilling Technologies, Inc., dba PDT Holdings, Inc. (hereinafter called "Sublessor" or  "PDTI") and The Exploitation Company,
LLP (hereinafter called "Sublessee" or "TEC"). 

WITNESSETH:  

        WHEREAS, Sublessor has leased certain space (the "Leased Premises") in Suite 2650 on the 26th floor of the building located at 1021 Main (the
"Building") in the City of Houston, Harris County, Texas, from AEW/McCord, L.P. ("Lessor") pursuant to that certain Lease Agreement dated the 16th day of March, 2005 ("Lease Agreement"); and 

        WHEREAS,
the number of square feet of Rentable Area (as defined in Section 1 of the Lease Agreement) included in or allocated to the Leased Premises under the Lease Agreement is
10,310; 

        WHEREAS,
both Sublessor and Sublessee have certain needs for a reception, break room, conference rooms, etc. and would find it convenient to share such facilities to minimize costs; and 

        WHEREAS,
Sublessor desires to sublease to Sublessee, and Sublessee desires to sublease from Sublessor, certain portions of the Leased Premises; 

        NOW,
THEREFORE, in consideration of the above premises and the terms, conditions and covenants hereinafter set forth, the parties hereto hereby agree as follows: 

	1.
	Exclusive TEC Subleased Premises. Sublessor hereby subleases to Sublessee, and Sublessee hereby sublets from Sublessor, that portion of
the Leased Premises identified on the floor plan attached hereto as Exhibit A and incorporated herein by reference for all purposes (the "Exclusive TEC Subleased Premises"), containing
approximately 2836 square feet of Rentable Area.

	2.
	Exclusive PDTI Premises. Sublessor and Sublessee agree that the portion of the Leased Premises identified on the floor plan attached
hereto as Exhibit A, containing approximately 2754 square feet of Rentable Area and incorporated herein by reference shall be for the exclusive use of PDTI (the "Exclusive PDTI Premises").

	3.
	TEC Share. The TEC Share shall equal the square footage represented by the Exclusive TEC Subleased Premises, divided by the sum of:
i) the square footage of the Exlcusive TEC Subleased Premises; plus ii) the square footage of the Exclusive PDTI Premises which is calculated to be 50.73% (the "TEC Share").

	4.
	Shared Premises. Sublessor and Sublessee agree that all other areas not specifically identified as Exclusive TEC Subleased Premises or
Exclusive PDTI Premises shall be considered Shared Premises and contain approximately 4,720 square feet of Rentable Area. Sublessor and Sublessee agree that neither Sublessor nor Sublessee shall have
exclusive use of the Shared Premises, and will share the Base Rent and any additional rent as described in the Lease agreement associated with the Shared Premises plus the cost of a receptionist, cost
of stocking the break room, the common copy room and maintenance of any equipment therein, the cost of secretarial support for Mr. John Schiller plus the parking space for Mr. Schiller
and his secretarial support with Sublessee paying the TEC Share of such costs (the "Shared costs"). Sublessor and Sublessee agree that they shall coordinate the booking of conference rooms.

	5.
	Term. Subject to and upon the conditions set forth herein, this Agreement shall be in force for a term (the "Sublease Term") of
approximately 60 months, commencing on the Effective Date of the Lease Agreement (the "Effective Date") and ending sixty calendar months thereafter. 

 

	6.
	Rental.

	a)
	As
rental for the subleasing of the Exclusive TEC Subleased Premises for and during the Sublease Term, Sublessee shall pay to Sublessor, at the address set forth in Section 12
hereof for notices or at such other address as Sublessor may designate from time to time, promptly when due and without demand, deduction, abatement or set-off, except as expressly set
forth in this Sublease, in advance on the first day of each calendar month during the Sublease Term the same Base Rent plus any additional rent attributable to the Exclusive TEC Subleased Premises on
a per square foot basis as Lessee pays to Sublessor under the Lease Agreement plus the TEC Share of the Shared Costs.

	

	If
the Effective Date of this Sublease is other than the first day of a calendar month, Sublessee shall pay on the Effective Date a pro rata monthly installment of Base
Rent for the first partial calendar month of the Sublease Term; and,

	b)
	Sublessee
shall pay, to the extent not otherwise paid above, the TEC Share of the amounts payable by Sublessor under Section 6 (Adjustment of Base Rent) of the Lease Agreement;
such Sublessee's share (based on the estimate of Operating Expenses, as defined in the Lease Agreement, for the corresponding calendar year provided or to be provided by Lessor pursuant to
Section 6 of the Lease Agreement) being payable monthly in advance by Sublessee to Sublessor on the first day of each calendar month during the Sublease Term; and,

	c)
	All
other amounts, if any, due by Sublessor to Lessor under the Lease Agreement with respect to the Subleased Premises, including, without limiting the generality of the foregoing,
additional costs for overtime air conditioning requested by Sublessee with respect to the Subleased Premises, costs related to default by Sublessee under this Sublease or the Lease Agreement, expenses
relating to signs or graphics or other improvements and such other sums as may be due under the Lease Agreement with respect to Sublessee's leasing of the Subleased Premises, all of which amounts
shall be due and payable by Sublessee to Sublessor on the later of(i) five (5) days after Sublessee receives written notice thereof, together with copies of all matters furnished by
Lessor with respect thereto, or (ii) the same day as the payments are payable by Sublessor.

	7.
	Incorporation and Assumption of Lease Agreement. Insofar as the provisions of the Lease Agreement, attached hereto as Exhibit B,
do not conflict with the provisions herein contained, they and each of them are incorporated into this Sublease as fully as if completely rewritten herein. Subject to the immediately following
sentence, and to the extent not in conflict or inconsistent with the provisions hereof, Sublessee and Sublessor shall have the same rights and obligations under this Sublease as Sublessor (as Lessee)
and Lessor, respectively, have under the Lease Agreement. Sublessor shall not be obligated to perform the obligations of Lessor but, upon request by Sublessee and without cost or expense to Sublessor,
Sublessor shall use reasonable efforts to cause the Lessor to perform all of its obligations thereunder for the benefit of Sublessee insofar as they relate to the Subleased Premises. Except as
expressly set forth herein to the contrary, Sublessee, during the Sublease Term, shall comply with all provisions of the Lease Agreement and perform all obligations of Sublessor as the Tenant under
the Lease Agreement insofar as those obligations relate to the Leased Premises.

	8.
	Security for Sublease. Sublessee agrees to post as either cash or letter of credit, the TEC Share of the security posted by Sublessor in
cash or LC as soon as practicable. Until such time, Sublessee shall pay Sublessor as an additional fee, 3%/year of the amount of the cash or LC that is to be posted by Sublessee as compensation for
Sublessor posting all of the security to Lessor. 

2

 

	9.
	Property Condition and Improvements. The Subleased Premises are subleased in their present condition "AS IS" and with all faults, if
any, therein, except for latent defects therein to the extent and only to the extent Sublessor is likewise entitled to proceed against and recover from Lessor under this Lease Agreement for and on
account of such latent defects in the Subleased Premises.

	10.
	Assignment and Subletting. As consideration for TEC identifying the space and negotiating the Lease, PDTI agrees that TEC shall have
the right to replace PDTI as Lessee at any time within 24 months, subject to obtaining Lessor approval, and providing adequate security to Lessor as more fully described in the Lease Agreement.
The space occupied by and the parking spaces paid for by PDTI and TEC shall remain unchanged except that Sublessee shall become Lessee under the Lease Agreement and Sublessor under this Agreement, and
Sublessor shall become the Sublessee under this Agreement. Sublessee shall not assign or otherwise transfer this Sublease or sublet the Subleased Premises or any part thereof without the prior written
consent of Sublessor and Lessor. Lessor's consent to any proposed assignment, other transfer or subletting shall be obtained in accordance with Section 12 of the Lease Agreement.

	11.
	Right of Lessee to Terminate Sublease: At any time after 24 months, Sublessor (whether that be PDTI or TEC at that time), shall
have the right to give six months notice to Sublessee to terminate this Agreement. Upon termination of this Agreement, Sublessor shall arrange for the return of any security provided by Sublessee. For
the absence of doubt, the minimum term of any sublease shall be 30 months.

	12.
	Notices. The parties' addresses for notices are: 

	

To Sublessor:	
 	

Particle Drilling Technologies, Inc.

1021 Main

Houston, Texas 77002

Attention: Chris Boswell
	

To Sublessee:	
 	

The Exploitation Company, L.L.P.

1021 Main

Houston, Texas 77002

Attention: West Griffin

	13.
	Entire Agreement. This Agreement embodies the entire agreement between the parties hereto relative to the subject matter hereof and
shall not be modified in any way except in writing signed by both parties hereto expressly addressing the same as an amendment to this Agreement.

	14.
	Exercise of Options. Sublessor retains the sole right to exercise any options now or hereafter set forth in the Lease Agreement with
respect to renewal or expansion preferential space (or other special rights and benefits which may be intended solely for the personal benefit of Sublessor); and Sublessee shall have no right to
exercise, or to call upon Sublessor to exercise, such options and rights.

	15.
	Superior Lease Agreement This Sublease shall at all times be subject to the Lease Agreement Sublessor may at any time and from time to
time amend the Lease Agreement. This Sublease shall not be effective unless and until consented to by Lessor. 

3

 

	16.
	Parking. Sublessee, at its sole cost and expense, shall be entitled to, pursuant to Sublessor's parking rights under the Lease
Agreement, 4 reserved spaces plus 5 unreserved spaces and through the payment of the TEC Share of the Shared Costs, will pay 50% of the cost of one additional reserved and unreserved space
(representing cost of John Schillers' parking plus his secretarial support). The cost of such parking will be as stipulated in the Lease agreement.

	17.
	Consents. Except as expressly set forth in Section 6 hereof, wherever the consent of Lessor is required under the Lease
Agreement, Sublessee may obtain the consent of Lessor and no consent of Sublessor will be required.

	18.
	Joinder by Lessor. Lessor joins in the execution of this Sublease Agreement for the purposes of evidencing the following and for no
other purposes:

	a)
	its
consent to this Agreement between Sublessor to Subiessee of the Subleased Premises; provided, however, such consent in no way releases Sublessor from any obligations or liability
under the Lease Agreement; and,

	b)
	its
agreement to make available to Sublessee during the Sublease Term only such services and rights with respect to the Subleased Premises as Sublessor is entitled to receive pursuant
to the terms of the Lease Agreement, and,

	c)
	its
confirmation that to the best of its knowledge, as of the date of its execution of this Agreement, Sublessor is not in default under the Lease Agreement 

        IN
WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date aforesaid. 

	

SUBLESSOR:	
 	

SUBLESSEE:
	
Particle Drilling Technologies, Inc.

d/b/a PDT Holdings, Inc.	
 	

The Exploitation Company, L.L.P.
	

By:	

/s/ JOHN D. SCHILLER, JR.
 John D. Schiller, Jr.

President and Chief Executive Officer	
 	

By:	

/s/ WEST GRIFFIN
 West Griffin

Chief Financial Officer
	

Lessor's signature is affixed hereto for the purposes set forth in Section 13 hereof and for no other purposes.
	

LESSOR:	
 	

 	

 
	

NAVISYS GROUP as Agent for

AEW/McCORD, L.P.	
 	

 	

 
	By:	McCord Holdings (Texas) GP#1, L.L.C.	 	 	 
	

By:	

/s/ C. PEYTON COLLINS
 C. Peyton Collins, Executive Vice President

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Exhibit 10.17

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Exhibit 4.2.2    
    

 

CELESTICA INC.,
  as Company  

	 

US$250,000,000  

	 

75/8% Senior Subordinated Notes Due 2013  

	 

	 

Third Supplemental Indenture

	 

Dated as of June 23, 2005 

	 

to
the 

	 

Indenture  

	 

Dated as of June 16, 2004 

	 

	 

JPMORGAN CHASE BANK, National Association,
  as Trustee  

 

  

        This THIRD SUPPLEMENTAL INDENTURE dated as of June 23, 2005 (this "Third Supplemental Indenture"), is by
and between Celestica Inc., an Ontario corporation (the "Company") and JPMorgan Chase Bank, N.A. (formerly known as JPMorgan Chase Bank),
as trustee (the "Trustee"), to the Indenture, dated as of June 16, 2004, between the Company and the Trustee
(the "Base Indenture" and, together with this Third Supplemental Indenture, as so amended and supplemented, the
"Indenture"). 

        The
Company and the Trustee have heretofore executed the Base Indenture, a form of which has been filed with the Securities and Exchange Commission
(the "Commission") under the Securities Act of 1933, as amended, as Exhibit 4.1 to the Company's Registration Statement on
Form F-3 (Registration No. 333-50240), providing for the issuance from time to time of debt securities of the Company. 

        The
Company and the Trustee are hereby supplementing the Base Indenture pursuant to the provisions of Sections 3.01 and 9.01(6) of the Base Indenture to establish
the form and terms and conditions of the debt securities issued pursuant to this Third Supplemental Indenture. The terms of this Third Supplemental Indenture shall supplement and be incorporated in
their entirety with the terms of the Base Indenture solely with respect to the debt securities issued pursuant to the this Third Supplemental Indenture. To the extent any terms of this Third
Supplemental Indenture are contrary to or duplicative of terms contained in the Base Indenture, pursuant to Section 9.02 of the Base Indenture, the terms of this Third Supplemental Indenture
shall be deemed to supersede the Base Indenture solely with respect to the debt securities issued pursuant to this Third Supplemental Indenture. 

        The
Company and the Trustee agree as follows for the benefit of each other and for the equal and ratable benefit of the Holders of the 75/8% Senior Subordinated Notes due
2013 (the "Notes") issued under this Third Supplemental Indenture: 

ARTICLE 1.  

 DEFINITIONS AND INCORPORATION BY REFERENCE  

Section 1.01.    Definitions.  

        So long as any of the Notes are outstanding, the following definitions shall be applicable to the Notes, shall be included as defined terms for all purposes under
the Base Indenture with respect to the Notes and, to the extent inconsistent with the definitions contained in Section 1.01 of the Base Indenture, shall replace such definitions solely with
respect to the Notes. Capitalized terms used but not defined herein shall have the respective meanings ascribed to such terms in the Base Indenture. For all purposes of this Third Supplemental
Indenture, except as otherwise expressly provided or unless the context otherwise requires: 

        "2004 Restructuring" means the Company's restructuring programs publicly announced during the Company's fiscal year 2004. 

        "2005 Restructuring" means the Company's restructuring programs publicly announced during the Company's fiscal year 2005 prior to the
Issue Date. 

        "Acquired Indebtedness" means Debt of any Person (i) which is outstanding at the time that such Person becomes a Restricted
Subsidiary or is amalgamated with, or merged or consolidated with or into, the Company or a Restricted Subsidiary; or (ii) which is outstanding at the time that assets of a Person are acquired
by the Company or a Restricted Subsidiary and the obligation for repayment of which is assumed by the Company or such Restricted Subsidiary in connection with the acquisition of such assets; in any
such case that is not Incurred by such Person in connection with, or in contemplation of, such amalgamation, merger, consolidation or acquisition and assumption. 

        "Additional Amounts" shall have the definition set forth under Section 4.19. All references in this Third Supplemental Indenture to
payments of principal of, premium, if any, and interest on the Notes shall be deemed to include any applicable Additional Amounts that may become payable in respect of the Notes. 

        "Additional Assets" means: 

 

        (a)   any
Property (other than cash, Cash Equivalents and securities) to be owned by the Company or any Restricted Subsidiary and used in a Related Business; or 

        (b)   Capital
Stock of a Person that becomes a Restricted Subsidiary as a result of the acquisition of such Capital Stock by the Company or another Restricted Subsidiary from
any Person other than the Company or an Affiliate of the Company; provided, however, that, in the case of this clause (b), such Restricted
Subsidiary is primarily engaged in a Related Business. 

        "Additional Notes" means any Notes (other than Initial Notes and Notes issued under Sections 3.04, 3.05 and 3.06 of
the Base Indenture and Sections 2.05 and 3.06 hereof) issued under this Third Supplemental Indenture in accordance with Sections 2.02, 2.08 and 4.09 hereof, as part
of the same series as the Initial Notes or as an additional series. 

        "Affiliate" of any specified Person means: 

        (a)   any
other Person directly or indirectly controlling or controlled by or under direct or indirect common control with such specified Person, or 

        (b)   any
other Person who is a director or officer of: 

        (1)   such
specified Person, 

        (2)   any
Subsidiary of such specified Person, or 

        (3)   any
Person described in clause (a) above. 

For the
purposes of this definition, "control," when used with respect to any Person, means the power to direct the management and policies of such Person, directly or indirectly, whether
through the ownership of voting securities, by contract or otherwise; and the terms "controlling" and "controlled" have meanings correlative to the foregoing. 

        "Agent" means any Security Registrar, co-Security Registrar, Paying Agent or additional paying agent. 

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

        "Asset Sale" means any sale, lease, transfer, issuance, conveyance or other disposition (or series of related sales, leases,
transfers, issuances or dispositions) by the Company or any Restricted Subsidiary, including any disposition by means of a merger, amalgamation, arrangement, consolidation or similar transaction (each
referred to for the purposes of this definition as a "disposition"), of 

        (a)   any
shares of Capital Stock of a Restricted Subsidiary (other than directors' qualifying shares), or 

        (b)   any
other Property of the Company or any Restricted Subsidiary outside of the ordinary course of business of the Company or such Restricted Subsidiary. 

        Notwithstanding
the foregoing, each of the following shall be deemed not to be an Asset Sale: 

        (1)   any
disposition by a Restricted Subsidiary to the Company or by the Company or a Restricted Subsidiary to a Wholly Owned Restricted Subsidiary, 

        (2)   any
disposition that constitutes a Permitted Investment or Restricted Payment permitted by Section 4.10, 

        (3)   any
disposition effected in compliance with Section 5.01, 

2

 

        (4)   any
disposition of assets in connection with a Receivables Program, 

        (5)   any
disposition of obsolete equipment consistent with industry practice, 

        (6)   any
disposition of Property in connection with the 2004 Restructuring or 2005 Restructuring, and 

        (7)   any
disposition in a single transaction or a series of related transactions of assets that have a Fair Market Value of less than US$10.0 million or for aggregate
consideration of less than US$10.0 million. 

        "Attributable Debt" in respect of a Sale and Leaseback Transaction means, at any date of determination, 

        (a)   if
such Sale and Leaseback Transaction is a Capital Lease Obligation, the amount of Debt represented thereby according to the definition of "Capital Lease Obligations,"
and 

        (b)   in
all other instances, the present value (discounted at the interest rate borne by the Notes, compounded annually) of the total obligations of the lessee for rental
payments during the remaining term of the lease included in such Sale and Leaseback Transaction (including any period for which such lease has been extended). 

        "Average Life" means, as of any date of determination, with respect to any Debt or Preferred Stock, the quotient obtained by dividing: 

        (a)   the
sum of the products of the numbers of years (rounded to the nearest one-twelfth of one year) from the date of determination to the respective dates of
each successive scheduled principal payment of such Debt or redemption or similar payment with respect to such Preferred Stock multiplied by the amount of such payment by 

        (b)   the
sum of all such payments. 

        "Bankruptcy Law" means Title 11, U.S. Code or any similar federal or state law for the relief of debtors, the  Bankruptcy and Insolvency Act (Canada), the
Companies' Creditors Arrangement Act (Canada) or any other
Canadian federal or provincial law or the law of any other jurisdiction relating to bankruptcy, insolvency, winding — up, liquidation, reorganization or relief of
debtors. 

        "Board of Directors" means the board of directors of the Company or any committee of the board of directors of the Company acting within
the scope of the authority duly delegated to it by the board of directors of the Company and any reference to a majority of the Board of Directors shall be construed, where appropriate, to mean a
majority of such committee. 

        "Borrowing Base" means an amount equal to the sum of (i) 85% of the value of accounts receivable (before giving effect to any
related reserves) that are not more than 90 days past due reflected in the Company's most recent audited or unaudited consolidated balance sheet and (ii) 60% of the value of the
inventory reflected in the Company's most recent audited or unaudited consolidated balance sheet. 

        "Business Day" means any day other than a Legal Holiday. 

        "Capital Lease Obligations" means any obligation under a lease that is required to be capitalized for financial reporting purposes in
accordance with GAAP; and the amount of Debt represented by such obligation shall be the capitalized amount of such obligations determined in accordance with GAAP; and the Stated Maturity thereof
shall be the date of the last payment of rent or any other amount due under such lease prior to the first date upon which such lease may be terminated by the lessee without payment of a penalty. For
purposes of Section 4.11, a Capital Lease Obligation shall be deemed secured by a Lien on the Property being leased. 

3

 

        "Capital Stock" means, with respect to any Person, any shares or other equivalents (however designated) of any class of corporate stock or
partnership or trust interests or any other participations, rights, warrants, options or other interests in the nature of equity interests in such Person, including Preferred Stock, but excluding any
debt security convertible or exchangeable into such equity interests. 

        "Capital Stock Sale Proceeds" means the aggregate cash proceeds received by the Company from the issuance or sale (other than to a
Subsidiary of the Company or an employee stock ownership plan or trust established by the Company or any such Subsidiary for the benefit of their employees, to the extent that such issuance or sale is
funded by contributions (not including contributions made in the form of payroll deductions) made by the Company or a Subsidiary under such plan or trust) by the Company of its Capital Stock
(other than Disqualified Stock) after the Issue Date, net of attorneys' fees, accountants' fees, underwriters' or placement agents' fees, discounts or commissions and brokerage, consultant and other
fees actually incurred in connection with such issuance or sale and net of taxes paid or payable as a result thereof. 

        "Cash Equivalents" means any of the following: 

        (a)   United States
dollars, Canadian dollars, Euros, Pounds Sterling or Japanese Yen; 

        (b)   securities
with maturities of one year or less from the date of acquisition issued or fully guaranteed by (i) the United States of America or any state,
commonwealth or territory thereof and rated "A-3" or "A–" or higher according to Moody's or S&P, (ii) Canada or any commonwealth, territory or province thereof and rated
in the "R-1" category by the Dominion Bond Rating Service Limited, (iii) any member of the European Economic Area or Switzerland, or any agency or instrumentality thereof, provided
that such country, agency or instrumentality has a credit rating at least equal to that of the United States of America and the full faith and credit of such country is pledged in support
thereof, or (iv) Japan, provided that the full faith and credit of Japan is pledged in support thereof; 

        (c)   certificates
of deposit and eurodollar time deposits with maturities of one year or less from the date of acquisition, bankers' acceptances with maturities not exceeding
one year and overnight bank deposits, in each case, with any commercial bank organized in the United States, Canada, any member of the European Economic Area, Switzerland or Japan and having
capital, and surplus in excess of US$500.0 million (or the foreign currency equivalent thereof); 

        (d)   repurchase
obligations with a term of not more than seven days for underlying securities of the types described in clauses (b) and (c) above
entered into with any financial institution meeting the qualifications specified in clause (c) above; 

        (e)   commercial
paper, having the highest rating obtainable from Moody's Investors Service, Inc. or Standard & Poor's Ratings Service and in each case maturing
within one year after the date of acquisition and, with respect to commercial paper in the United States, with a rating at the time as of which any Investment therein is made of
"P-1" (or higher) according to Moody's or "A-1" (or higher) according to S&P, and, with respect to commercial paper in Canada, having a rating in the
"R-1" category by the Dominion Bond Rating Service Limited; 

        (f)    money
market funds at least 90% of the assets of which constitute Cash Equivalents of the kinds described in clauses (a) through (e) of this
definition. 

        "Change of Control" means the occurrence of any of the following events: 

        (a)   for
so long as (i) the Company's Voting Stock is registered under Section 12 of the Securities Act, any Person, including its Affiliates and associates,
other than a Permitted Holder, files a Schedule 13D or a Schedule TO (or any successor schedule, form or report) under the Exchange Act disclosing that such person has
become the beneficial owner of more than 50% of the total number of votes attached to the Voting Stock of the Company, or (ii) the Voting Stock of the Company is listed on the Toronto Stock
Exchange, any offeror, as defined in the Ontario securities laws, other than a Permitted Holder, files a report with any securities commission or securities regulatory authority in Canada,
disclosing that the offeror has acquired beneficial ownership, as defined in Ontario securities laws, of or the power to exercise control or direction over more than 50% of the total number of votes
attached to the Voting Stock of the Company; and, in the case of either of the foregoing clauses (i) and (ii), thereafter, any "person" or "group" (as such terms are used
in Sections 13(d) and 14(d) of the Exchange Act or any successor provisions to either of the foregoing), including any group acting for the purpose of acquiring, holding,
voting or disposing of securities within the meaning of Rule 13d-5(b)(1) under the Exchange Act, other than a Permitted Holder, becomes the "beneficial owner"
(as defined in Rule 13d-3 under the Exchange Act, except that a person will be deemed to have "beneficial ownership" of all shares that any such person has the right
to acquire, whether such right is exercisable immediately or only after the passage of time), directly or indirectly, of 50% or more of the total number of votes attached to the Voting Stock of the
Company; or 

4

 

        (b)   the
sale, transfer, assignment, lease, conveyance or other disposition, directly or indirectly, of all or substantially all the Property of the Company and the
Restricted Subsidiaries, considered as a whole (other than a disposition of such Property as an entirety or virtually as an entirety to a Wholly Owned Restricted Subsidiary, shall have occurred, or
the Company effects an arrangement or merges, consolidates or amalgamates with or into any other Person or any other Person merges, consolidates or amalgamates with or into the Company, in any such
event pursuant to a transaction in which the outstanding Voting Stock of the Company is reclassified into or exchanged for cash, securities or other Property, other than any such transaction where: 

        (1)   the
outstanding Voting Stock of the Company is reclassified into or exchanged for other Voting Stock of the Company or for Voting Stock of the Surviving Person, and 

        (2)   the
holders of the Voting Stock of the Company immediately prior to such transaction own, directly or indirectly, not less than a majority of the Voting Stock of the
Company or the Surviving Person immediately after such transaction and in substantially the same proportion as before the transaction; or 

        (c)   during
any period of two consecutive years, individuals who at the beginning of such period constituted the Board of Directors (together with any new directors
(i) whose appointment by such Board or whose proposed nomination for election by the shareholders of the Company was included in a management information circular approved by a vote of not less
than a majority of the directors then still in office who were either directors at the beginning of such period or whose appointment or proposed nomination for election was previously so approved or
(ii) for whose election all Permitted Holders voted in favor) cease for any reason to constitute at least a majority of the Board of Directors then in office; or 

        (d)   the
shareholders of the Company shall have approved any plan of liquidation or dissolution of the Company. 

        "Comparable Treasury Issue" means the United States treasury security selected by an Independent Investment Banker as having a
maturity comparable to the remaining term of the Notes that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt
securities of comparable maturity to the remaining term of such Notes. 

        "Comparable Treasury Price" means, with respect to any Redemption Date: 

        (a)   the
average of the bid and ask prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) on the third Business Day
preceding such Redemption Date, as set forth in the most recently published statistical release designated "H.15(519)" (or any successor release) published by the Board of Governors of the
Federal Reserve System and which establishes yields on actively traded United States treasury securities adjusted to constant maturity under the caption "Treasury Constant Maturities," or 

        (b)   if
such release (or any successor release) is not published or does not contain such prices on such Business Day, the average of the Reference Treasury Dealer
Quotations for such Redemption Date. 

5

 

        "Consolidated Cash Flow" means, for any period, an amount equal to, for the Company and its consolidated Restricted Subsidiaries: 

        (a)   the
sum of Consolidated Net Income for such period, plus the following to the extent reducing Consolidated Net Income for such period: 

        (1)   the
provision for taxes based on income or profits or utilized in computing net loss, 

        (2)   Consolidated
Fixed Charges, 

        (3)   depreciation,

        (4)   amortization
of intangibles, and 

        (5)   restructuring
charges, write-downs and reserves taken by the Company or its Restricted Subsidiaries during such period,  provided that: 

        (A)  up
to a maximum aggregate amount of US$213.3 million of restructuring charges payable in cash taken in connection with the 2004 Restructuring may be included in
Consolidated Cash Flow for all periods if incurred on or prior to June 30, 2005 (and such charges in excess of such amount or incurred after such date shall not be so included); and 

        (B)  up
to a maximum aggregate amount of US$220.0 million of restructuring charges payable in cash taken in connection with the 2005 Restructuring may be included in
Consolidated Cash Flow for all periods if incurred on or prior to June 30, 2006 (and such charges in excess of such amount or incurred after such date shall not be so included), 

        (6)   any
other non-cash items (other than any such non-cash item to the extent that it represents an accrual of, or reserve for, cash expenditures in
any future period), minus 

        (b)   all
non-cash items increasing Consolidated Net Income for such period (other than any such non-cash item to the extent that it will result in the
receipt of cash payments in any future period). 

Notwithstanding
the foregoing clause (a), the provision for taxes and the depreciation, amortization and non-cash items of a Restricted Subsidiary shall be added to
Consolidated Net Income to compute Consolidated Cash Flow only to the extent (and in the same proportion) that the net income of such Restricted Subsidiary was included in calculating
Consolidated Net Income and only if a corresponding amount would be permitted at the date of determination to be dividended to the Company by such Restricted Subsidiary without prior approval (that
has not been obtained), pursuant to the terms of its charter and all agreements, instruments, judgments, decrees, orders, statutes, rules and governmental regulations applicable to such Restricted
Subsidiary or its shareholders. 

        "Consolidated Fixed Charge Coverage Ratio" means, as of any date of determination, the ratio of: 

        (a)   the
aggregate amount of Consolidated Cash Flow for the most recent four consecutive fiscal quarters for which internal financial statements are available to 

        (b)   Consolidated
Fixed Charges for such four fiscal quarters; 

        provided, however, that: 

        (1)   if

6

 

        (A)  since
the beginning of such period the Company or any Restricted Subsidiary has Incurred any Debt that remains outstanding or Repaid any Debt, or 

        (B)  the
transaction giving rise to the need to calculate the Consolidated Fixed Charge Coverage Ratio is an Incurrence or Repayment of Debt, 

Consolidated
Fixed Charges for such four-quarter period shall be calculated after giving effect on a pro forma basis to such
Incurrence or Repayment as if such Debt was Incurred or Repaid on the first day of such four-quarter period, provided that, in the event of
any such Repayment of Debt, Consolidated Cash Flow for such period shall be calculated as if the Company or such Restricted Subsidiary had not earned any interest income actually earned during such
period in respect of the funds used to Repay such Debt, and 

        (2)   if

        (A)  since
the beginning of such period the Company or any Restricted Subsidiary shall have made any Asset Sale or an Investment (by merger or otherwise) in any
Restricted Subsidiary (or any Person that becomes a Restricted Subsidiary) or an acquisition of Property which constitutes all or substantially all of an operating unit of a business, 

        (B)  the
transaction giving rise to the need to calculate the Consolidated Fixed Charge Coverage Ratio is such an Asset Sale, Investment or acquisition, or 

        (C)  since
the beginning of such period any Person (that subsequently became a Restricted Subsidiary or was merged or amalgamated with or into the Company or any Restricted
Subsidiary since the beginning of such period) shall have made such an Asset Sale, Investment or acquisition, 

then
Consolidated Cash Flow for such four-quarter period shall be calculated after giving pro forma effect to such Asset Sale,
Investment or acquisition as if such Asset Sale, Investment or acquisition had occurred on the first day of such four-quarter period. 

        If
any Debt bears a floating rate of interest and is being given pro forma effect, the interest expense on such Debt shall be
calculated as if the base interest rate in effect for such floating rate of interest on the date of determination had been the applicable base interest rate for the entire period (taking into account
any Interest Rate Agreement applicable to such Debt if such Interest Rate Agreement has a remaining term in excess of 12 months). In the event the Capital Stock of any Restricted Subsidiary is
sold during the period, the Company shall be deemed, for purposes of clause (1) above, to have Repaid during such period the Debt of such Restricted Subsidiary to the extent the
Company and its continuing Restricted Subsidiaries are no longer liable for such Debt after such sale. 

        "Consolidated Fixed Charges" means, for any period, the total interest expense of the Company and its consolidated Restricted
Subsidiaries, plus, to the extent not included in such total interest expense, and to the extent Incurred by the Company or its Restricted Subsidiaries, 

        (a)   interest
expense attributable to leases constituting part of a Sale and Leaseback Transaction and to Capital Lease Obligations, 

        (b)   amortization
of debt discount and debt issuance cost, including commitment fees (for greater certainty, excluding the Existing Convertible Securities), 

        (c)   capitalized
interest, 

        (d)   non-cash
interest expense, 

        (e)   commissions,
discounts and other fees and charges owed with respect to letters of credit and banker's acceptance financing, 

7

 

        (f)    the
net effective cost of interest after giving effect to Interest Rate Agreements (including amortization of fees but not any income or loss resulting from the
marked-to-market value of such Interest Rate Agreements), 

        (g)   Disqualified
Stock Dividends, 

        (h)   Preferred
Stock Dividends, 

        (i)    interest
Incurred in connection with Investments in discontinued operations, 

        (j)    interest
accruing on any Debt of any other Person to the extent such Debt is Guaranteed by the Company or any Restricted Subsidiary, and 

        (k)   the
cash contributions to any employee stock ownership plan or similar trust to the extent such contributions are used by such plan or trust to pay interest or fees to
any Person (other than the Company) in connection with Debt Incurred by such plan or trust. 

        "Consolidated Net Income" means, for any period, the net income (loss) of the Company and its consolidated Restricted Subsidiaries;  provided, however, that there shall
not be included in such Consolidated Net Income: 

        (a)   any
net income of any Person (other than the Company) if such Person is not a Restricted Subsidiary, except that, subject to the exclusion contained in
clause (d) below, equity of the Company and its Consolidated Restricted Subsidiaries in the net income of any such Person for such period shall be included in such Consolidated Net
Income up to the aggregate amount of cash distributed by such Person during such period to the Company or a Restricted Subsidiary as a dividend or other distribution (subject, in the case of a
dividend or other distribution to a Restricted Subsidiary, to the limitations contained in clause (c) below), 

        (b)   any
net income of any Restricted Subsidiary if such Restricted Subsidiary is subject to restrictions, directly or indirectly, on the payment of dividends or the making
of distributions, directly or indirectly, to the Company, except that, subject to the exclusion contained in clause (c) below, the equity of the Company and its Consolidated Restricted
Subsidiaries in the net income of any such Restricted Subsidiary for such period shall be included in such Consolidated Net Income up to the greater of (i) the aggregate amount of cash actually
distributed by such Restricted Subsidiary during such period to the Company or another Restricted Subsidiary as a dividend or other distribution (subject, in the case of a dividend or other
distribution to another Restricted Subsidiary, to the limitation contained in this clause (b)) and (ii) the aggregate amount of cash that could have been distributed by
such Restricted Subsidiary during such period to the Company or another Restricted Subsidiary as a dividend or other distribution (subject, in the case of a dividend or other distribution to another
Restricted Subsidiary, to the limitation contained in this clause(b)), 

        (c)   any
gain or loss realized upon the sale or other disposition of any Property of the Company or any of its consolidated Subsidiaries (including pursuant to any Sale and
Leaseback Transaction) that is not sold or otherwise disposed of in the ordinary course of business, 

        (d)   any
unusual, non-recurring or extraordinary gain or loss, 

        (e)   any
non-cash restructuring charges, 

        (f)    the
cumulative effect of a change in accounting principles, and 

        (g)   any
non-cash compensation expense realized for grants of performance shares, stock options or other rights to officers, directors and employees of the
Company or any Restricted Subsidiary, provided that such shares, options or other rights can be redeemed at the option of the holder only for Capital
Stock of the Company (other than Disqualified Stock). 

8

 

Notwithstanding
the foregoing, for purposes of Section 4.10 only, there shall be excluded from Consolidated Net Income any dividends, repayments of loans or advances or other transfers of
Property from Unrestricted Subsidiaries to the Company or a Restricted Subsidiary to the extent such dividends, repayments or transfers increase the amount of Restricted Payments permitted pursuant to
Section 4.10(a)(iii)(D) thereof. 

        "Credit Agreement" means the Third Amended and Restated Revolving Term Credit Agreement, made as of June 4, 2004, among the
Company, the Subsidiaries specified as Designated Subsidiaries therein, CIBC World Markets, as Joint Lead Arranger, RBC Capital Markets, as Joint Lead Arranger and Co-Syndication Agent,
Canadian Imperial Bank of Commerce, as Administrative Agent, The Bank of Nova Scotia, as Documentation Agent, Banc of America Securities LLC, as Co-Syndication Agent and the Lenders
named therein. 

        "Credit Facilities" means, with respect to the Company or any Restricted Subsidiary, one or more debt or commercial paper facilities with
banks or other institutional lenders (including the Credit Agreement) providing for revolving credit loans, term loans, receivables or inventory financing (including through the sale of receivables or
inventory to such lenders or to special purpose, bankruptcy remote entities formed to borrow from such lenders against such receivables or inventory) or trade or standby letters of credit, in each
case as any such facility may be revised, restructured or Refinanced from time to time, including to extend the maturity thereof, to increase the amount of commitments thereunder
(provided that any such increase is permitted under Section 4.09), or to add Restricted Subsidiaries as additional borrowers or guarantors
thereunder, whether by the same or any other agent, lender or group of lenders or investors and whether such revision, restructuring or Refinancing is under one or more Debt facilities or commercial
paper facilities, indentures or other agreements, in each case with banks or other institutional lenders or trustees or investors providing for revolving credit loans, term loans, notes or letters of
credit, together with documents related thereto (including, without limitation, any guaranty agreements and security documents). 

        "Currency Exchange Protection Agreement" means, in respect of a Person, any foreign exchange contract, currency swap agreement, currency
option or other similar agreement or arrangement designed to protect such Person against fluctuations in currency exchange rates. 

        "Custodian" means, with respect to the Notes issuable or issued in whole or in part in global form, the Person specified in
Section 2.03(a) as Custodian with respect to the Notes, and any and all successors thereto appointed as custodian hereunder and having become such pursuant to the applicable provisions
of this Third Supplemental Indenture. 

        "Debt" means, with respect to any Person on any date of determination (without duplication): 

        (a)   the
principal of and premium (if any) in respect of: 

        (1)   debt
of such Person for money borrowed, and 

        (2)   debt
evidenced by notes, debentures, bonds or other similar instruments for the payment of which such Person is responsible or liable; 

        (b)   all
Capital Lease Obligations of such Person and all Attributable Debt in respect of Sale and Leaseback Transactions entered into by such Person; 

        (c)   all
obligations of such Person representing the deferred purchase price of Property, all conditional sale obligations of such Person and all obligations of such Person
under any title retention agreement (but excluding trade accounts payable arising in the ordinary course of business); 

        (d)   all
obligations of such Person for the reimbursement of any obligor on any letter of credit, banker's acceptance or similar credit transaction (other than obligations
with respect to letters of credit securing obligations (other than obligations described in (a) through (c) above) entered into in the ordinary course of business of such Person to the
extent such letters of credit are not drawn upon or, if and to the extent drawn upon, such drawing is reimbursed or Refinanced no later than the third Business Day following receipt by such Person of
a demand for reimbursement following payment on the letter of credit); 

9

 

        (e)   the
amount of all obligations of such Person with respect to the Repayment of any Disqualified Stock or, with respect to any Subsidiary of such Person, any Preferred
Stock (but excluding, in each case, any accrued dividends); 

        (f)    all
obligations of the type referred to in clauses (a) through (e) above of other Persons and all dividends of other Persons for the payment
of which, in either case, such Person is responsible or liable, directly or indirectly, as obligor, guarantor or otherwise, including by means of any Guarantee; 

        (g)   all
obligations of the type referred to in clauses (a) through (f) above of other Persons secured by any Lien on any Property of such Person
(whether or not such obligation is assumed by such Person), the amount of such obligation being deemed to be the lesser of the Fair Market Value of such Property and the amount of the obligation so
secured; and 

        (h)   to
the extent not otherwise included in this definition, Hedging Obligations of such Person, 

in
each case, if and to the extent any of the foregoing items, other than letters of credit and Hedging Obligations, would appear as a liability on the balance sheet of such Person prepared in
accordance with GAAP. The amount of Debt of any Person at any date shall be the outstanding balance, or the accreted value of such Debt in the case of Debt issued with original issue discount, at such
date of all unconditional obligations as described above and the maximum liability, upon the occurrence of the contingency giving rise to the obligation, of any contingent obligations at such date.
The amount of Debt represented by a Hedging Obligation shall be equal to: 

        (1)   zero
if such Hedging Obligation has been Incurred pursuant to clause (vii) or (viii) of Section 4.09(b), or 

        (2)   the
notional amount of such Hedging Obligation if not Incurred pursuant to such clauses. 

        "Default" means any event which is, or after notice or passage of time or both would be, an Event of Default. 

        "Definitive Note" means a certificated Note registered in the name of the Holder thereof and issued in accordance with Section 2.05
hereof, in substantially the form of Exhibit A hereto except that such Note shall not bear the Global Note Legend and shall not have the "Schedule of Exchanges of Interests in the Global
Note" attached thereto. 

        "Designated Senior Debt" means: 

        (a)   any
Senior Debt that has, at the time of determination, an aggregate principal amount outstanding (or accreted value in the case of Debt issued at a discount) of
at least US$25.0 million (including the amount of all undrawn commitments and matured and contingent reimbursement obligations pursuant to letters of credit thereunder) that is specifically
designated in the instrument evidencing such Senior Debt and is designated in a notice delivered by the Company to the holders or a Representative of the holders of such Senior Debt and in an
Officers' Certificate delivered to the Trustee as "Designated Senior Debt" of the Company for purposes of this Third Supplemental Indenture, and 

        (b)   any
Senior Debt outstanding under Credit Facilities, including the Credit Agreement. 

        "Disqualified Stock" means any Capital Stock of the Company or any of its Restricted Subsidiaries that by its terms (or by the
terms of any security into which it is convertible or for which it is exchangeable, in either case at the option of the holder thereof) or otherwise: 

10

  

        (a)   matures
or is mandatorily redeemable pursuant to a sinking fund obligation or otherwise, 

        (b)   is
or may become redeemable or repurchaseable at the option of the holder thereof, in whole or in part, or 

        (c)   is
convertible or exchangeable at the option of the holder thereof for cash, Debt or Disqualified Stock, 

on
or prior to, in the case of clause (a), (b) or (c), more than three months following the Stated Maturity of the Notes. Notwithstanding the foregoing, any Capital
Stock that would constitute Disqualified Stock solely because the holders of the Capital Stock have the right to require the Company to repurchase such Capital Stock upon the occurrence if a change of
control or asset sale will not constitute Disqualified Stock if the terms of such Capital Stock provide that the Company may not repurchase or redeem any such Capital Stock pursuant to such provisions
unless such repurchase or redemption complies with Section 4.10. 

        "Disqualified Stock Dividends" means all dividends with respect to Disqualified Stock of the Company held by Persons other than a Wholly
Owned Restricted Subsidiary. The amount of any such dividend shall be equal to the quotient of such dividend divided by the difference between one and the maximum statutory federal income tax rate
(expressed as a decimal number between 1 and 0) then applicable to the Company. 

        "Event of Default" has the meaning set forth under Section 6.01. 

        "Existing Convertible Securities" means the Liquid Yield Option Notes due 2020 of the Company in aggregate principal amount at maturity
outstanding and as in effect on the Issue Date. 

        "Existing Notes" means the 77/8% Senior Subordinated Notes due 2011 of the Company. 

        "Fair Market Value" means, with respect to any Property, the price that could be negotiated in an arm's-length free market transaction,
for cash, between a willing seller and a willing buyer, neither of whom is under undue pressure or compulsion to complete the transaction. Fair Market Value shall be determined, except as otherwise
provided, 

        (a)   if
such Property has a Fair Market Value equal to or less than US$25.0 million, by any Officer of the Company, or 

        (b)   if
such Property has a Fair Market Value in excess of US$25.0 million, by at least a majority of the Board of Directors and evidenced by a Board Resolution dated
within 30 days of the relevant transaction, delivered to the Trustee. 

        "GAAP" means generally accepted accounting principles as in effect in Canada on the Issue Date. 

        "Global Note Legend" means the legend set forth in Section 2.05(a), which is required to be placed on all Global Notes
issued under this Third Supplemental Indenture. 

        "Global Notes" means the global Notes in the form of Exhibit A hereto issued in accordance with Article 2 hereof. 

        "Guarantee" means, in respect of any Person, any obligation, contingent or otherwise, of such Person directly or indirectly guaranteeing
any Debt of any other Person and any obligation, direct or indirect, contingent or otherwise, of such Person: 

        (a)   to
purchase or pay (or advance or supply funds for the purchase or payment of) such Debt of such other Person (whether arising by virtue of partnership
arrangements, or by agreements to keep-well, to purchase assets, goods, securities or services, to take-or-pay or to maintain financial statement conditions or
otherwise), or 

11

 

        (b)   entered
into for the purpose of assuring in any other manner the obligee against loss in respect thereof (in whole or in part); 

provided, however, that the term "Guarantee" shall not include: 

        (1)   endorsements
for collection or deposit in the ordinary course of business, or 

        (2)   a
contractual commitment by one Person to invest in another Person for so long as such Investment is reasonably expected to constitute a Permitted Investment under
clause (a), (b) or (c) of the definition of "Permitted Investment." 

        The
term "Guarantee" used as a verb has a corresponding meaning. The term "Guarantor" shall mean any Person Guaranteeing any obligation. 

        "Hedging Obligation" of any Person means any obligation of such Person pursuant to any Interest Rate Agreement, Currency Exchange
Protection Agreement or any other similar agreement or arrangement. 

        "Incur" means, with respect to any Debt or other obligation of any Person, to create, issue, incur (by merger, conversion, exchange
or otherwise), extend, assume, Guarantee or become liable in respect of such Debt or other obligation or the recording, as required pursuant to GAAP or otherwise, of any such Debt or obligation on the
balance sheet of such Person (and "Incurrence" and "Incurred" shall have meanings correlative to the foregoing); provided, however, that a change
in GAAP that results in an obligation of such Person that exists at such time, and is not theretofore classified as Debt, becoming Debt shall not be deemed an Incurrence of such Debt;  provided further,
however, that any Debt or other obligations of a Person existing at the time such
Person becomes a Subsidiary (whether by merger, amalgamation, arrangement, consolidation, acquisition or otherwise) shall be deemed to be Incurred by such Subsidiary at the time it becomes a
Subsidiary; and provided further, however, that solely for purposes of determining compliance with Section 4.09, amortization of debt discount
shall not be deemed to be the Incurrence of Debt, provided that in the case of Debt sold at a discount, the amount of such Debt Incurred shall at all
times be the aggregate principal amount at Stated Maturity. 

        "Independent Investment Banker" means one of the Reference Treasury Dealers appointed by the Company. 

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

        "Initial Notes" means $250.0 million aggregate principal amount of Notes issued under this Third Supplemental Indenture on the date
hereof. 

        "Interest Payment Dates" shall have the meaning set forth in paragraph 1 of a Note. 

        "Interest Rate Agreement" means, for any Person, any interest rate swap agreement, interest rate cap agreement, interest rate collar
agreement or other similar agreement designed to protect against fluctuations in interest rates. 

        "Investment" by any Person means any direct or indirect loan (other than advances to customers in the ordinary course of business that are
recorded as accounts receivable on the balance sheet of such Person), advance or other extension of credit or capital contribution (by means of transfers of cash or other Property to others or
payments for Property or services for the account or use of others, or otherwise) to, or Incurrence of a Guarantee of any obligation of, or purchase or acquisition of Capital Stock, bonds, notes,
debentures or other securities or evidence of Debt issued by, any other Person. For purposes of Sections 4.10 and 4.16 and the definition of "Restricted Payment," the term "Investment"
shall include (a) upon the issuance, sale or other disposition of Capital Stock of any Restricted Subsidiary to a Person other than the Company or another Restricted Subsidiary as a result of
which such Restricted Subsidiary ceases to be a Restricted Subsidiary, the Fair Market Value of the remaining interest, if any, in such former Restricted Subsidiary held by the Company or such other
Restricted Subsidiary, and (b) at the time that a Subsidiary of the Company is designated an Unrestricted Subsidiary, the portion (proportionate to the Company's equity interest in such
Subsidiary) of the Fair Market Value of the net assets of such Subsidiary; provided, however, that upon a redesignation of such Subsidiary as a
Restricted Subsidiary, the Company shall be deemed to continue to have a permanent "Investment" in an Unrestricted Subsidiary of an amount (if positive) equal to: 

12

 

        (a)   the
Company's "Investment" in such Subsidiary at the time of such redesignation, less 

        (b)   the
portion (proportionate to the Company's equity interest in such Subsidiary) of the Fair Market Value of the net assets of such Subsidiary at the time of such
redesignation. 

In
determining the amount of any Investment made by transfer of any Property other than cash, such Property shall be valued at its Fair Market Value at the time of such Investment. For purposes of
Section 4.12, "Investment" shall include the entering into of a binding agreement to make an Investment. 

        "Investment Grade Rating" means a rating equal to or higher than Baa3 (or the equivalent) by Moody's and BBB–
(or the equivalent) by S&P. 

        "Investment Grade Status" shall be deemed to have been reached on the date that the Notes have an Investment Grade Rating from both Rating
Agencies. 

        "Issue Date" means June 23, 2005. 

        "Legal Holiday" means a Saturday, a Sunday or a day on which banks and trust companies in the City of New York, the City of
Toronto, the city in which the Corporate Trust Office of the Trustee is located or any other place of payment on the Notes are authorized by law, regulation or executive order to remain closed. 

        "Lien" means, with respect to any Property of any Person, any mortgage or deed of trust, pledge, hypothecation, assignment, deposit
arrangement, security interest, lien, charge, encumbrance, preference, priority or other security agreement or preferential arrangement of any kind or nature whatsoever on or with respect to such
Property (including any Capital Lease Obligation, conditional sale or other title retention agreement having substantially the same economic effect as any of the foregoing or any Sale and Leaseback
Transaction). 

        "Moody's" means Moody's Investors Service, Inc. or any successor to the rating agency business thereof. 

        "Net Available Cash" from any Asset Sale means cash payments received therefrom (including any cash payments received by way of deferred
payment of principal pursuant to a note or installment receivable or otherwise, but only as and when received, but excluding any other consideration received in the form of assumption by the acquiring
Person of Debt or other obligations relating to the Property that is the subject of such Asset Sale or received in any other non-cash form (except to the extent converted into cash)), in
each case net of: 

        (a)   all
direct costs relating to the Asset Sale, including, without limitation, all legal, title and recording tax expenses, commissions and other fees and expenses
incurred, and all Federal, state, provincial, foreign and local taxes required to be accrued as a liability under GAAP, as a consequence of such Asset Sale, 

        (b)   all
payments made on or in respect of any Debt that is secured by any Property subject to such Asset Sale, in accordance with the terms of any Lien upon such Property,
or which must by its terms, or in order to obtain a necessary consent to such Asset Sale, or by applicable law, be repaid out of the proceeds from such Asset Sale, 

        (c)   all
distributions and other payments required to be made to minority interest holders in Subsidiaries or joint ventures as a result of such Asset Sale, and 

13

 

        (d)   the
deduction of appropriate amounts provided by the seller as a reserve, in accordance with GAAP, against any liabilities associated with the Property disposed of in
such Asset Sale and retained by the Company or any Restricted Subsidiary after such Asset Sale. 

        "Officer" means the Chief Executive Officer, the President, the Chief Financial Officer, any Executive Vice President or any Senior Vice
President of the Company. 

        "Officers' Certificate" means a certificate signed by two Officers of the Company, at least one of whom shall be the Chief Executive
Officer, Chief Financial Officer or Corporate Treasurer of the Company, and delivered to the Trustee. 

        "Opinion of Counsel" means a written opinion from legal counsel who is acceptable to the Trustee, acting reasonably. The counsel may be
General Counsel to the Company. 

        "Participant" means, with respect to the Depositary, a Person who has an account with the Depositary. 

        "Permitted Holder" means Onex Corporation and its Affiliates and successors. 

        "Permitted Investment" means any Investment by the Company or a Restricted Subsidiary in: 

        (a)   the
Company or any Restricted Subsidiary; 

        (b)   any
Person that will, upon the making of such Investment, become a Restricted Subsidiary, provided that the primary
business of such Restricted Subsidiary is a Related Business; 

        (c)   any
Person if as a result of such Investment such Person is merged, amalgamated or consolidated with or into, or transfers or conveys all or substantially all its
Property to, the Company or a Restricted Subsidiary, provided that such Person's primary business is a Related Business; 

        (d)   Cash
Equivalents; 

        (e)   receivables
owing to the Company or a Restricted Subsidiary, if created or acquired in the ordinary course of business and payable or dischargeable in accordance with
customary trade terms; provided, however, that such trade terms may include such concessionary trade terms as the Company or such Restricted Subsidiary
deems reasonable under the circumstances; 

        (f)    payroll,
travel and similar advances to cover matters that are expected at the time of such advances ultimately to be treated as expenses for accounting purposes and
that are made in the ordinary course of business; 

        (g)   loans
and advances to employees made in the ordinary course of business consistent with past practices of the Company or such Restricted Subsidiary, as the case may be;  provided that such loans and advances,
excluding loans to employees identified in the Company's annual report on Form 20-F
for the year ended December 31, 2004, do not exceed US$2.0 million in the aggregate at any one time outstanding; 

        (h)   stock,
obligations or other securities received in settlement of debts created in the ordinary course of business and owing to the Company or a Restricted Subsidiary or
in satisfaction of judgments; 

        (i)    any
Person to the extent such Investment represents the non-cash portion of the consideration received in connection with an Asset Sale consummated in
compliance with Section 4.12; 

        (j)    Permitted
Joint Ventures and suppliers of the Company or a Restricted Subsidiary that do not exceed 10% of Total Assets in the aggregate outstanding at any one time; 

14

 

        (k)   Hedging
Obligations Incurred in accordance with clause (vii) or (viii) of Section 4.09(b); 

        (l)    assets
solely in exchange for Capital Stock, other than Disqualified Stock, of the Company; 

        (m)  any
Investment by the Company or any Restricted Subsidiary in a Securitization Subsidiary in connection with a Receivables Program;  provided, however, that the
only assets transferred to such Securitization Subsidiary consists of
Receivables Program Assets; and 

        (n)   other
Investments made for Fair Market Value (measured on the date of such Investment) that do not exceed US$100.0 million in the aggregate outstanding at any one
time. 

        "Permitted Joint Venture" means any Person which is, directly or indirectly, engaged principally in a Related Business, and the capital
stock, or securities convertible into capital stock, of which is owned by the Company and one or more Persons other than the Company or any of its Affiliates. 

        "Permitted Junior Securities" means: 

        (a)   Capital
Stock in the Company; or 

        (b)   debt
securities that are subordinated to all Senior Debt and debt securities that are issued in exchange for Senior Debt and are subordinated to substantially the same
extent as, or to a greater extent than, the Notes are subordinated to Senior Debt under the Senior Indenture. 

        "Permitted Liens" means any one or more of the following with respect to the assets of the Company or any Restricted Subsidiary: 

        (a)   inchoate
or statutory Liens for taxes, assessments and other governmental charges or levies which are not delinquent (taking into account any relevant grace periods) or
the validity of which are currently being contested in good faith by appropriate proceedings and in respect of which there shall have been set aside a provision or reserve (to the extent
required by GAAP) in an amount which is adequate therefor; 

        (b)   inchoate
or statutory Liens of contractors, sub-contractors, mechanics, workers, suppliers, materialmen, carriers and others in respect of construction,
maintenance, repair or operation of assets of the Company or the relevant Restricted Subsidiary, or otherwise arising in the ordinary course provided that such Liens are related to obligations not due
or delinquent (taking into account any applicable grace or cure periods), are not registered as encumbrances against title to any of the assets of the Company or the relevant Restricted Subsidiary and
adequate holdbacks are being maintained as required by applicable legislation or such Liens are being contested in good faith by appropriate proceedings and in respect of which there shall have been
set aside a provision or reserve (to the extent required by GAAP) in an amount which is adequate with respect thereto and provided further that such Liens do not, in the aggregate, materially
detract from the value of the assets of the Company or any Restricted Subsidiary encumbered thereby or materially interfere with the use thereof in the operation of the business of the Company or any
Restricted Subsidiary; 

        (c)   easements,
rights-of-way, servitudes, restrictions and similar rights in real property comprised in the assets of the Company or the relevant
Restricted Subsidiary or interests therein granted or reserved to other persons, provided that such rights do not, in the aggregate, materially detract from the value of the assets of the Company or
any Restricted Subsidiary or materially interfere with the use thereof in the operation of the business of the Company or any Restricted Subsidiary; 

        (d)   title
defects or irregularities which are of a minor nature and which do not, in the aggregate, materially detract from the value of the assets of the Company or any
Restricted Subsidiary or materially interfere with the use thereof in the operation of the business of the Company or any Restricted Subsidiary; 

15

 

        (e)   Liens
incidental to the conduct of the business or the ownership of the assets of the Company or the relevant Restricted Subsidiary (other than those described in
clauses (f) and (g) below) which were not incurred in connection with the borrowing of money or the obtaining of advances of credit (including, without limitation, unpaid
purchase price), and which do not, in the aggregate, materially detract from the value of the assets of the Company or any Restricted Subsidiary or materially interfere with the use thereof in the
operation of the business of the Company or any Restricted Subsidiary; 

        (f)    Liens
securing appeal bonds or other similar Liens arising in connection with court proceedings (including, without limitation, surety bonds, security for costs of
litigation where required by law and letters of credit) or any other instrument serving a similar purpose; 

        (g)   attachments,
judgments and other similar Liens arising in connection with court proceedings; provided, however, that such Liens are in existence for less than
30 days after the entry thereof or the execution or other enforcement of such Liens is effectively stayed and the claims secured thereby are being actively contested in good faith and by
appropriate proceedings; 

        (h)   Liens
given to a public utility or any municipality or governmental or other public authority when required by such utility or other authority in connection with the
operation of the business or the ownership of the assets of the Company or the relevant Restricted Subsidiary, provided that such Liens do not have a material adverse effect on (i) the
business, assets, operations, prospects or condition, financial or otherwise, of the Company and of the Restricted Subsidiaries, taken as a whole, or (ii) the ability of the Company to perform
any of its obligations under the Notes or this Third Supplemental Indenture, or (iii) the rights of the Trustee or the Holders; 

        (i)    the
right reserved to or vested in any governmental entity by any statutory provision or by the terms of any lease, license, franchise, grant or permit of any of the
Company or the relevant Restricted Subsidiary, to terminate any such lease, license, franchise, grant or permit, or to require annual or other payments as a condition to the continuance thereof; 

        (j)    the
extension, renewal or refinancing of any Permitted Lien, provided that the amount so secured does not exceed the original amount secured immediately prior to such
extension, renewal or refinancing; 

        (k)   Liens
granted over the assets securitized in connection with any Receivables Program; 

        (l)    Liens
granted by the Company and/or any Restricted Subsidiary pursuant to future subsidized financing by development entities; 

        (m)  the
interest of lessors (including, without limitation, security interests granted in favor of lessors) pursuant to all leases, including Capital Lease Obligations,
under which the Company or the relevant Restricted Subsidiary is the lessee; 

        (n)   Liens
granted to secure Acquired Indebtedness, to the extent that (i) such Liens exist at the time such person or the assets subject to such Lien are acquired by
the Company or a Restricted Subsidiary; (ii) such Liens were not created in contemplation of the transaction by which the subject Debt became Acquired Indebtedness; and (iii) such Liens
either (A) only extend to the assets acquired or the assets of the Person acquired, as applicable, in the transaction pursuant to which the Acquired Indebtedness became an obligation of a
borrower under the Credit Agreement or a Restricted Subsidiary or (B) are discharged within 60 days of such acquisition; 

        (o)   Liens
of the nature contemplated in clauses (b), (c), (d) or (e) above, but exceeding the materiality thresholds specified
therein, securing Debt in an aggregate amount not to exceed US$25.0 million; 

16

 

        (p)   pledges
or deposits by the Company or any Restricted Subsidiary under workers' compensation laws, unemployment insurance laws or similar legislation, or good faith
deposits in connection with bids, tenders, contracts (other than the payment of Debt) or leases to which the Company or any Restricted Subsidiary is party, or deposits to secure public or statutory
obligations of the Company, or deposits for the payment of rent, in each case Incurred in the ordinary course of business; 

        (q)   Liens
existing on the Issue Date not otherwise described in clauses (a) through (p) above; and 

        (r)   Liens
not otherwise described in clauses (a) through (q) above in an aggregate amount not to exceed US$25.0 million. 

        "Permitted Refinancing Debt" means any Debt that Refinances any other Debt, including any successive Refinancings, so long as: 

        (a)   such
Debt is in an aggregate principal amount (or if Incurred with original issue discount, an aggregate issue price) not in excess of the sum of: 

        (1)   the
aggregate principal amount (or if Incurred with original issue discount, the aggregate accreted value) then outstanding of the Debt being Refinanced, and 

        (2)   an
amount necessary to pay any fees and expenses, including premiums and defeasance costs, related to such Refinancing, 

        (b)   the
Average Life of such Debt is equal to or greater than the Average Life of the Debt being Refinanced, 

        (c)   the
Stated Maturity of such Debt is no earlier than the Stated Maturity of the Debt being Refinanced, and 

        (d)   the
new Debt shall not be senior in right of payment to the Debt that is being Refinanced; 

        provided, however, that Permitted Refinancing Debt shall not include: 

        (x)   Debt
of a Subsidiary that Refinances Debt of the Company, or 

        (y)   Debt
of the Company or a Restricted Subsidiary that Refinances Debt of an Unrestricted Subsidiary. 

        "Person" means any individual, corporation, company (including any limited liability company), association, partnership, joint venture,
trust, unincorporated organization, government or any agency or political subdivision thereof or any other entity. 

        "Preferred Stock" means any Capital Stock of a Person, however designated, which entitles the holder thereof to a preference with respect
to the payment of dividends, or as to the distribution of assets upon any voluntary or involuntary liquidation or dissolution of such Person, over shares of any other class of Capital Stock issued by
such Person. 

        "Preferred Stock Dividends" means all dividends with respect to Preferred Stock of Restricted Subsidiaries held by Persons other than the
Company or a Wholly Owned Restricted Subsidiary. The amount of any such dividend shall be equal to the quotient of such dividend divided by the difference between one and the maximum statutory federal
income rate (expressed as a decimal number between 1 and 0) then applicable to the issuer of such Preferred Stock. 

17

 

        "pro forma" means, with respect to any calculation made or required to be made pursuant to the terms hereof, a calculation
performed in accordance with Article 11 of Regulation S-X promulgated under the Securities Act, as interpreted in good faith by the Board of Directors after consultation with
the independent certified public accountants of the Company, or otherwise a calculation made in good faith by the Board of Directors after consultation with the independent certified public
accountants of the Company, as the case may be. 

        "Property" means, with respect to any Person, any interest of such Person in any kind of property or asset, whether real, personal or
mixed, or tangible or intangible, including Capital Stock in, and other securities of, any other Person. For purposes of any calculation required pursuant to this Third Supplemental Indenture, the
value of any Property shall be its Fair Market Value. 

        "Public Equity Offering" means an underwritten public offering of common stock of the Company pursuant to an effective registration
statement under the Securities Act. 

        "Purchase Money Debt" means Debt: 

        (a)   consisting
of the deferred purchase price of Property, conditional sale obligations, obligations under any title retention agreement, other purchase money obligations
and obligations in respect of industrial revenue bonds, in each case where the maturity of such Debt does not exceed the anticipated useful life of the Property being financed, and 

        (b)   Incurred
to finance the acquisition, construction or lease by the Company or a Restricted Subsidiary of such Property, including additions and improvements thereto; 

provided, however, that such Debt is Incurred within 180 days after the acquisition, construction or lease of such Property by the Company or
such Restricted Subsidiary. 

        "Rating Agencies" means Moody's and S&P. 

        "Receivables Program" means, with respect to any Person, a transaction or series of transactions (including amendments, supplements,
extensions, renewals, replacements, refinancings or modifications thereof) pursuant to which a Securitization Subsidiary purchases Receivables Program Assets from the Company or any Restricted
Subsidiary and finances such Receivables Program Assets or a fractional undivided interest in the Receivables Program Assets; provided that: 

        (a)   the
Board of Directors of the Company shall have determined in good faith that such Receivables Program is economically fair and reasonable to the Company and the
Securitization Subsidiary, 

        (b)   all
sales of Receivables Program Assets to or by the Securitization Subsidiary are made at fair market value (as determined in good faith by the Board of
Directors in connection with its approval of the Receivables Program), 

        (c)   the
financing terms, covenants, termination events and other provisions thereof shall be market terms (as determined in good faith by the Board of Directors of
the Company), 

        (d)   no
portion of the Indebtedness of the Securitization Subsidiary is guaranteed by or is recourse to the Company or any Restricted Subsidiary (other than recourse for
customary representations, warranties, covenants and indemnities, none of which shall relate to the collectibility of the Receivables Program Assets), and 

        (e)   neither
the Company nor any Restricted Subsidiary has any obligation to maintain or preserve the Securitization Subsidiary's financial condition. 

        "Receivables Program Assets" means all of the following Property and interests in Property, including any undivided interest in any pool
of any such Property or interests, whether now existing or existing in the future or hereafter arising or acquired: 

18

 

        (1)   accounts; 

        (2)   accounts
receivable, general intangibles, instruments, contract rights, documents and chattel paper (including, without limitation, all rights to payment created by or
arising from sales of goods or merchandise, leases of goods or merchandise or the rendition of services, no matter how evidenced, whether or not earned by performance); 

        (3)   all
unpaid sellers' or lessors' rights (including, without limitation, rescission, replevin, reclamation and stoppage in transit) relating to any of the foregoing or
arising therefrom; 

        (4)   all
rights to any goods or merchandise represented by any of the foregoing; 

        (5)   all
reserves and credit balances with respect to any accounts receivable or account debtors; 

        (6)   all
letters of credit, security interests or Guarantees in respect of any of the foregoing; 

        (7)   all
insurance policies or reports relating to any of the foregoing; 

        (8)   all
collection or deposit accounts relating to any of the foregoing; 

        (9)   all
books and records relating to any of the foregoing; 

        (10) inventory
and/or contractual rights related thereto; and 

        (11) all
proceeds of any of the foregoing. 

        "Reference Treasury Dealer" means Citigroup Global Markets Inc., Banc of America Securities LLC, Deutsche Bank
Securities Inc. and their respective successors; provided, however, that if any of the foregoing
shall cease to be a primary U.S. Government securities dealer in New York City (a "Primary Treasury Dealer"), the Company shall
substitute therefor another Primary Treasury Dealer. 

        "Reference Treasury Dealer Quotation" means, with respect to each Reference Treasury Dealer and any Redemption Date, the average, as
determined by the Trustee, of the bid and ask prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the Trustee by such
Reference Treasury Dealer at 5:00 p.m. on the third Business Day preceding such Redemption Date. 

        "Refinance" means, in respect of any Debt, to refinance, extend, renew, refund or Repay, or to issue other Debt, in exchange or
replacement for, such Debt. "Refinanced" and "Refinancing" shall have correlative meanings. 

        "Regular Record Date" for the interest payable on any Interest Payment Date means the applicable date specified as a "Record Date" on the
face of the Note. 

        "Related Business" means any business that is related, ancillary or complementary to, or a reasonable extension or expansion of, the
businesses of the Company and the Restricted Subsidiaries on the Issue Date. 

        "Repay" means, in respect of any Debt, to repay, prepay, repurchase, redeem, legally defease or otherwise retire such Debt. "Repayment"
and "Repaid" shall have correlative meanings. For purposes of Section 4.12 and the definition of "Consolidated Fixed Charge Coverage Ratio," Debt shall be considered to have been Repaid
only to the extent the related loan commitment, if any, shall have been permanently reduced in connection therewith. 

        "Representative" means the trustee, agent or representative expressly authorized to act in such capacity, if any, for an issue of Senior
Debt, or, if no such Person is so authorized, the holders or lenders of that percentage of the principal amount of such Senior Debt that are permitted to act in such capacity under the terms of such
Senior Debt. 

19

 

        "Restricted Payment" means: 

        (a)   any
dividend or distribution (whether made in cash, securities or other Property) declared or paid on or with respect to any shares of Capital Stock of the Company or
any Restricted Subsidiary (including any payment in connection with any merger or consolidation with or into the Company or any Restricted Subsidiary), except for any dividend or distribution that is
made solely to the Company or a Restricted Subsidiary (and, if such Restricted Subsidiary is not a Wholly Owned Restricted Subsidiary, to the other shareholders of such Restricted Subsidiary on a  pro rata basis or on a basis that results in the receipt by the Company or a Restricted Subsidiary of dividends or distributions of greater value
than it would receive on a pro rata basis) or any dividend or distribution payable solely in shares of Capital Stock (other than Disqualified
Stock) of the Company or in options, warrants or other rights to purchase such Capital Stock (other than Disqualified Stock); 

        (b)   the
purchase, repurchase, redemption, reduction, acquisition or retirement for value of any Capital Stock of the Company or any Restricted Subsidiary (other than from
the Company or a Restricted Subsidiary) or any securities exchangeable for or convertible into any such Capital Stock, including the exercise of any option to exchange any Capital Stock (other than
for or into Capital Stock of the Company or a Restricted Subsidiary that is not Disqualified Stock); 

        (c)   the
purchase, repurchase, redemption, acquisition or retirement for value, prior to the date for any scheduled maturity, sinking fund or amortization or other
installment payment, of any Subordinated Obligation (other than the purchase, repurchase or other acquisition of any Subordinated Obligation purchased in anticipation of satisfying a scheduled
maturity, sinking fund or amortization or other installment obligation, in each case due within one year of the date of acquisition); or 

        (d)   any
Investment (other than Permitted Investments) in any Person. 

        "Restricted Subsidiary" means any Subsidiary of the Company other than an Unrestricted Subsidiary. 

        "S&P" means Standard & Poor's Ratings Services or any successor to the rating agency business thereof. 

        "Sale and Leaseback Transaction" means any direct or indirect arrangement relating to Property now owned or hereafter acquired whereby the
Company or a Restricted Subsidiary transfers such Property to another Person and the Company or a Restricted Subsidiary leases it from such Person. 

        "Securitization Subsidiary" means any Unrestricted Subsidiary created for the limited purpose of acquiring and financing Receivables
Program Assets and engaging in activities ancillary thereto. 

        "Senior Debt" means: 

        (a)   all
obligations consisting of the principal, premium, if any, and accrued and unpaid interest (including interest accruing on or after the filing of any petition in
bankruptcy or for reorganization relating to the Company whether or not such post-filing interest is allowed in such proceeding) in respect of: 

        (1)   Debt
of the Company for money borrowed, and 

        (2)   Debt
of the Company evidenced by notes, debentures, bonds or other similar instruments for the payment of which the Company is responsible or liable; 

        (b)   all
Capital Lease Obligations of the Company and all Attributable Debt in respect of Sale and Leaseback Transactions entered into by the Company; 

        (c)   all
obligations of the Company 

20

  

        (1)   for
the reimbursement of any obligor on any letter of credit, banker's acceptance or similar credit transaction, 

        (2)   under
Hedging Obligations, or 

        (3)   issued
or assumed as the deferred purchase price of Property and all conditional sale obligations of the Company and all obligations under any title retention agreement
permitted under this Third Supplemental Indenture; and 

        (d)   all
obligations of other Persons of the type referred to in clauses (a), (b) and (c) for the payment of which the Company is
responsible or liable as Guarantor; 

provided, however, that Senior Debt shall not include: 

        (A)  Debt
of the Company that is by its terms expressly subordinate or pari passu in right of payment to the Notes,
including any Senior Subordinated Debt or any Subordinated Obligations; 

        (B)  any
Debt Incurred in violation of the provisions of this Third Supplemental Indenture; 

        (C)  accounts
payable or any other obligations of the Company to trade creditors created or assumed by the Company in the ordinary course of business in connection with the
obtaining of materials or services (including Guarantees thereof or instruments evidencing such liabilities); 

        (D)  any
liability for Federal, state, provincial, local or other taxes owed or owing by the Company; 

        (E)  any
obligation of the Company to any Subsidiary; or 

        (F)  any
obligations with respect to any Capital Stock of the Company. 

        To
the extent that any payment of Senior Debt (whether by or on behalf of the Company as proceeds of security or enforcement or any right of setoff or otherwise) is declared to be
fraudulent or preferential, set aside or required to be paid to a trustee, receiver or other similar party under any bankruptcy, insolvency, receivership or similar law, then if such payment is
recovered by, or paid over to, such trustee, receiver or other similar party, the Senior Debt or part thereof originally intended to be satisfied shall be deemed to be reinstated and outstanding as if
such payment had not occurred. 

        "Senior Subordinated Debt" means the Notes and any Additional Notes that may be issued under this Third Supplemental Indenture, the
Existing Notes and any additional Existing Notes that may be issued under the First Supplemental Indenture dated as of June 16, 2004 between the Company and the Trustee
(the "First Supplemental Indenture") and any other subordinated Debt of the Company that specifically provides that such Debt is to rank  pari passu with the Notes and is not subordinated by its terms to any other subordinated Debt or other obligation of the Company which is not
Senior Debt. 

        "Significant Subsidiary" means any Subsidiary that would be a "significant subsidiary" of the Company within the meaning of
Article 1 of Rule 1-02 under Regulation S-X promulgated pursuant to the Securities Act, as such Regulation is in effect on the Issue Date. 

        "Stated Maturity" means, with respect to any Debt or security, the date specified in such Debt or security as the fixed date on which the
payment of principal of such security is due and payable, including pursuant to any mandatory redemption provision (but excluding any provision providing for the repurchase of such security at
the option of the holder thereof upon the happening of any contingency beyond the control of the issuer unless such contingency has occurred). 

        "Subordinated Obligation" means any Debt of the Company (whether outstanding on the Issue Date or thereafter Incurred) that is, by its
terms, expressly subordinate or junior in right of payment to the Notes. 

21

 

        "Subsidiary" means, in respect of any Person, any corporation, company (including any limited liability company), association,
partnership, trust, joint venture or other business entity of which at least a majority of the total voting power of the Voting Stock is at the time owned or controlled, directly or indirectly, by: 

        (a)   such
Person, 

        (b)   such
Person and one or more Subsidiaries of such Person, or 

        (c)   one
or more Subsidiaries of such Person. 

        "Surviving Person" means the surviving Person formed by an arrangement, merger, consolidation or amalgamation and, for purposes of
Section 5.01, a Person to whom all or substantially all of the Property of the Company is sold, transferred, assigned, leased, conveyed or otherwise disposed. 

        "TIA" means the United States Trust Indenture Act of 1939, as amended, and the rules and regulations thereunder. 

        "Total Assets" means, with respect to any date of determination, the total assets shown on the Company's consolidated balance sheet in
accordance with GAAP on the last day of the fiscal quarter prior to the date of determination. 

        "Treasury Rate" means, with respect to any Redemption Date, the rate per annum equal to the yield to maturity of the Comparable Treasury
Issue, compounded semi-annually, assuming a price for such Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for such
Redemption Date. 

        "Unregistered Senior Debt" means any Senior Debt of the Company that is not registered under the Securities Act. 

        "Unrestricted Subsidiary" means: 

        (a)   any
Subsidiary of the Company that is designated after the Issue Date as an Unrestricted Subsidiary as permitted or required pursuant to Section 4.16
and is not thereafter redesignated as a Restricted Subsidiary as permitted pursuant thereto; and 

        (b)   any
Subsidiary of an Unrestricted Subsidiary. 

        "U.S. Government Obligations" means direct obligations (or certificates representing an ownership interest in such
obligations) of the United States of America (including any agency or instrumentality thereof) for the payment of which the full faith and credit of the United States of America is
pledged and which are not callable or redeemable at the issuer's option. 

        "Voting Stock" of any Person means all classes of Capital Stock or other interests (including partnership interests and interests in a
trust) of such Person then outstanding and normally entitled (without regard to the occurrence of any contingency) to vote in the election of directors, managers or trustees thereof. 

        "Wholly Owned Restricted Subsidiary" means, at any time, a Restricted Subsidiary all the Voting Stock of which (except directors'
qualifying shares) is at such time owned, directly or indirectly, by the Company and its other wholly owned Subsidiaries. 

22

 

Section 1.02.    Other Definitions.  

	Term 
	 	Defined in Section

	"Acceleration Notice"	 	6.02
	"Affiliate Transaction"	 	4.14
	"Allocable Excess Proceeds"	 	4.12
	"Authentication Order"	 	2.02
	"Change of Control Offer"	 	4.18
	"Change of Control Purchase Price"	 	4.18
	"Covenant Defeasance"	 	7.03
	"DTC"	 	2.03
	"Excess Proceeds"	 	4.12
	"Excluded Holder"	 	4.19
	"Legal Defeasance"	 	7.02
	"Offer Amount"	 	3.09
	"Offer Period"	 	3.09
	"Offer to Purchase"	 	3.09
	"Payment Blockage Notice"	 	10.03
	"Payment Blockage Period"	 	10.03
	"pay the Notes"	 	10.03
	"Permitted Debt"	 	4.09
	"Prepayment Offer	 	4.12
	"Purchase Date"	 	3.09
	"Purchase Price"	 	3.09
	"Taxes"	 	4.19

Section 1.03.    Incorporation by Reference of Trust Indenture Act.  

        (a)   The
following TIA terms used in this Third Supplemental Indenture have the following meanings: 

"indenture
securities" means the Notes; 

"indenture
security holder" means a Holder of a Note; 

"indenture
to be qualified" means this Third Supplemental Indenture; 

"indenture
trustee" or "institutional trustee" means the Trustee; and 

"obligor" on the Notes means the Company and any successor obligor upon the Notes. 

        (b)   All
other terms used in this Third Supplemental Indenture that are defined by the TIA, defined by TIA reference to another statute or defined by Commission rule under
the TIA and not otherwise defined herein have the meanings so assigned to them either in the TIA, by another statute or Commission rule, as applicable. 

Section 1.04.    Rules of Construction.  

        (a)   Unless
the context otherwise requires: 

        (i)    a
term has the meaning assigned to it; 

        (ii)   an
accounting term not otherwise defined herein has the meaning assigned to it in accordance with GAAP; 

23

 

        (iii)  "or"
is not exclusive; 

        (iv)  words
in the singular include the plural, and in the plural include the singular; 

        (v)   all
references in this instrument to "Articles," "Sections" and other subdivisions are to the designated Articles, Sections and subdivisions of this Third Supplemental
Indenture as originally executed; 

        (vi)  the
words "herein," "hereof" and "hereunder" and other words of similar import refer to this Third Supplemental Indenture as a whole and not to any particular Article,
Section or other subdivision; 

        (vii) "including"
means "including without limitation;" 

        (viii) provisions
apply to successive events and transactions; and 

        (ix)  references
to sections of or rules under the Securities Act, the Exchange Act or the TIA shall be deemed to include substitute, replacement or successor sections or
rules adopted by the Commission from time to time thereunder. 

ARTICLE 2.  

 THE NOTES  

Section 2.01.    General.  

        (a)   Designation of Series.    Pursuant to the terms hereof and Section 3.01 of the Base Indenture, there is
hereby established the Notes, known as the "75/8% Senior Subordinated Notes due 2013," and such Notes shall be deemed "Securities" for purposes of the Base Indenture. 

        (b)   Form of Notes.    The Notes and the Trustee's certificate of authentication shall be substantially in the form
included in Exhibit A hereto, which is hereby incorporated in and expressly made part of this Third Supplemental Indenture. The Notes may have notations, legends or endorsements required by
law, exchange rule or usage in addition to those set forth on Exhibit A. Each Note shall be dated the date of its authentication. The Notes shall be in denominations of US$1,000 and integral
multiples thereof. The terms and provisions contained in the Notes shall constitute a part of this Third Supplemental Indenture and the Company and the Trustee, by their execution and delivery of this
Third Supplemental Indenture, expressly agree to such terms and provisions and to be bound thereby. To the extent any provision of any Note conflicts with the express provisions of this Third
Supplemental Indenture, the provisions of this Third Supplemental Indenture shall govern and be controlling. 

        (c)   Global Notes.    Notes shall be issued initially in global form and shall be substantially in the form of
Exhibit A attached hereto (including the Global Note Legend thereon and the "Schedule of Exchanges of Interests in the Global Note" attached thereto). Notes issued in definitive form shall be
substantially in the form of Exhibit A attached hereto (but without the Global Note Legend thereon and without the "Schedule of Exchanges of Interests in the Global Note" attached
thereto). Each Global Note shall represent such aggregate principal amount of the outstanding Notes as shall be specified therein and each shall provide that it shall represent 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 and transfers of interests therein. Any endorsement of a 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 Custodian, at the direction of the Trustee, in accordance with instructions given by the Holder thereof as required
by Section 2.05 hereof. 

24

 

        (d)   Book-Entry Provisions.    This Section 2.01(d) shall apply only to Global Notes
deposited with the Custodian for the Depositary. Participants and Indirect Participants shall have no rights under this Third Supplemental Indenture or any Global Note with respect to any Global Note
held on their behalf by the Depositary or by the Custodian for the Depositary, and the Depositary shall be treated by the Company, the Trustee and any agent of the Company or the Trustee as the
absolute owner of such Global Note for all purposes whatsoever, except as required by law. Notwithstanding the foregoing, nothing herein shall prevent the Company, the Trustee or any agent of the
Company or the Trustee from giving effect to any written certification, proxy or other authorization furnished by the Depositary or impair, as between the Depositary and its Participants or Indirect
Participants, the Applicable Procedures or the operation of customary practices of the Depositary governing the exercise of the rights of a Holder of a beneficial interest in any Global Note. 

Section 2.02.    Execution and Authentication.  

        (a)   One
Officer shall execute the Notes on behalf of the Company by manual or facsimile signature. 

        (b)   If
an Officer whose signature is on a Note no longer holds that office at the time a Note is authenticated by the Trustee, the Note shall nevertheless be valid. 

        (c)   A
Note shall not be valid until authenticated by the manual signature of the Trustee. The signature shall be conclusive evidence that the Note has been authenticated
under this Third Supplemental Indenture. 

        (d)   The
Trustee shall, upon receipt of (i) a Company Order (an "Authentication Order") and (ii) the
Opinion of Counsel and Officers' Certificate set forth in Section 3.03 of the Base Indenture, authenticate Notes for issuance. 

        (e)   The
Trustee may appoint an authenticating agent acceptable to the Company to authenticate Notes. Unless otherwise provided in such appointment, an authenticating agent
may authenticate Notes whenever the Trustee may do so. Each reference in this Third Supplemental Indenture to authentication by the Trustee includes authentication by such agent. An authenticating
agent shall have the same rights as the Trustee to deal with Holders, the Company or an Affiliate of the Company. 

Section 2.03.    Security Registrar, Paying Agent and Depositary.  

        (a)   The
Company initially appoints the Trustee to act as Security Registrar and Paying Agent and to act as Custodian with respect to the Global Notes, and the Trustee hereby
agrees so to initially act. 

        (b)   The
Company initially appoints The Depository Trust Company ("DTC") to act as Depositary with respect to the Global
Notes. 

Section 2.04.    Paying Agent to Hold Money in Trust.  

        The Company shall require each Paying Agent other than the Trustee to agree in writing that the Paying Agent shall hold in trust for the benefit of Holders or the
Trustee all money held by the Paying Agent for the payment of principal, premium, if any, or interest on the Notes, and shall promptly notify the Trustee in writing of any default by the Company in
making any such payment. While any such default continues, the Trustee may require a Paying Agent to pay all funds held by it relating to the Notes to the Trustee. The Company at any time may require
a Paying Agent to pay all funds held by it to the Trustee and account for any funds disbursed. Upon payment over to the Trustee, the Paying Agent (if other than the Company or a Subsidiary)
shall have no further liability for such funds. If the Company or a Subsidiary acts as Paying Agent, it shall segregate and hold in a separate trust fund for the benefit of the Holders all funds held
by it as Paying Agent. Upon any Event of Default under Section 6.01(g) or (h) hereof relating to the Company, the Trustee shall serve as Paying Agent for the Notes. 

Section 2.05.    Transfer and Exchange.  

        (a)   Global Note Legend.    Each Global Note shall bear the following legend unless specifically stated otherwise in
the applicable provisions of this Third Supplemental Indenture. 

25

 

        "THIS
GLOBAL NOTE IS HELD BY THE DEPOSITARY (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 (I) THE TRUSTEE MAY MAKE SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 2.05 OF THE THIRD SUPPLEMENTAL
INDENTURE, (II) THIS GLOBAL NOTE MAY BE EXCHANGED IN WHOLE BUT NOT IN PART PURSUANT TO SECTION 2.05 OF THE THIRD SUPPLEMENTAL INDENTURE, (III) THIS GLOBAL NOTE MAY BE DELIVERED TO
THE TRUSTEE FOR CANCELLATION PURSUANT TO SECTION 3.10 OF THE BASE INDENTURE AND (IV) THIS GLOBAL NOTE MAY BE TRANSFERRED TO A SUCCESSOR DEPOSITARY WITH THE PRIOR WRITTEN CONSENT OF THE
COMPANY. 

        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 DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR
BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITARY.
UNLESS THIS NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR
PAYMENT, AND ANY NOTE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO
CEDE & CO. OR TO SUCH OTHER ENTITY AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS
WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN." 

        (b)   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 a particular Global Note has been redeemed, repurchased or cancelled 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 3.10 of the Base Indenture. At any time prior to such cancellation, if any beneficial interest in a Global Note 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 such Global
Note shall be reduced accordingly and an endorsement shall be made on such Global Note, by the Custodian or by the Depositary 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 Depositary at the direction of the Trustee, to reflect such increase. 

        (c)   General Provisions Relating to Transfers and Exchanges.

        (i)    No
service charge shall be made to a holder of a beneficial interest in a Global Note or to a holder of a Definitive Note for any registration of transfer or exchange,
but the Company 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 3.04 of the Base Indenture and Sections 3.06 and 8.07 hereof). 

        (ii)   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
Company, evidencing the same debt as the Global Notes or Definitive Notes surrendered upon such registration of transfer or exchange and shall be entitled to all of the benefits of this Third
Supplemental Indenture equally and proportionately with all other Notes duly issued hereunder. 

26

 

        (iii)  Neither
the Security Registrar nor the Company shall be required (A) to issue, to register the transfer of or to exchange Notes during a period beginning at the
opening of business 15 days before the day of any selection of Notes for redemption under Section 3.02 hereof and ending at the close of business on the date of selection, (B) to
register the transfer of or to exchange any Note so selected for redemption in whole or in part, except the unredeemed portion of any Note being redeemed in part or (C) to register the transfer
of or to exchange a Note between a record date (including a Regular Record Date) and the next succeeding Interest Payment Date. 

        (iv)  Prior
to due presentment for the registration of a transfer of any Note, the Trustee, any Agent and the Company may deem and treat the Person in whose name any Note is
registered as the absolute owner of such Note for the purpose of receiving payment of principal of, premium, if any, and interest on such Note and for all other purposes, in each case regardless of
any notice to the contrary, except as required by law. 

        (v)   All
certifications, certificates and Opinions of Counsel required to be submitted to the Security Registrar pursuant to this Section 2.05 to effect a
registration of transfer or exchange may be submitted by facsimile. 

        (vi)  The
Trustee is hereby authorized and directed to enter into a letter of representation with the Depositary in the form provided by the Company and to act in accordance
with such letter. 

Section 2.06.    Outstanding Notes.  

        (a)   This
Section 2.06 shall replace and supersede in its entirety the definition of "Outstanding" in the Base Indenture solely with respect to the Notes. The Notes
outstanding at any time shall be the entire principal amount of Notes represented by all of the Global Notes and Definitive Notes authenticated by the Trustee except for those cancelled by it, those
delivered to it for cancellation, those subject to reductions in beneficial interests effected by the Trustee in accordance with Section 2.05 hereof, and those described in this
Section 2.06 as not outstanding. Except as set forth in Section 2.07 hereof, a Note shall not cease to be outstanding because the Company or an Affiliate of the Company holds the Note;  provided, however, that Notes held by the Company or a Subsidiary of the Company shall be deemed not to
be outstanding for purposes of Section 3.07(c) hereof. 

        (b)   If
a Note is replaced pursuant to Section 3.06 of the Base Indenture, it shall cease to be outstanding unless the Trustee receives proof satisfactory to it that
the replaced note is held by a bona fide purchaser. 

        (c)   If
the principal amount of any Note is considered paid under Section 4.01 hereof, it shall cease to be outstanding and interest on it shall cease to accrue. 

        (d)   If
the Paying Agent (other than the Company, a Subsidiary or an Affiliate of any thereof) holds, on a Redemption Date, a Purchase Date or a maturity date, funds
sufficient to pay Notes payable on that date, then on and after that date such Notes shall be deemed to be no longer outstanding and shall cease to accrue interest. 

Section 2.07.    Treasury Notes.  

        In determining whether the Holders of the required principal amount of Notes have concurred in any direction, waiver or consent, Notes owned by the Company, or by
any Affiliate of the Company, shall be considered as though not outstanding, except that for the purposes of determining whether the Trustee shall be protected in relying on any such direction, waiver
or consent, only Notes that the Trustee knows are so owned shall be considered as though not outstanding. 

27

 

Section 2.08.    Issuance of Additional Notes.  

        The Company shall be entitled, subject to its compliance with Section 4.09 hereof, to issue Additional Notes under this Third Supplemental Indenture
which shall have identical terms as the Initial Notes issued on the Issue Date, other than with respect to the date of issuance and issue price. The Initial Notes issued on the Issue Date and any
Additional Notes shall be treated as a single class for all purposes under this Third Supplemental Indenture, including directions, waivers, amendments, consents, redemptions and Offers to Purchase. 

        With
respect to any Additional Notes, the Company shall set forth in a Board Resolution and an Officers' Certificate, a copy of each of which shall be delivered to the Trustee along with
an Authentication Order and Opinion of Counsel, the following information: 

        (a)   the
aggregate principal amount of such Additional Notes to be authenticated and delivered pursuant to this Third Supplemental Indenture; and 

        (b)   the
issue price, the issue date and the CUSIP and/or ISIN number of such Additional Notes; provided, however, that no
Additional Notes may be issued at a price that would cause such Additional Notes to have "original issue discount" within the meaning of Section 1273 of the Code, other than a  de minimis original
issue discount within the meaning of Section 1273 of the Code. 

ARTICLE 3.  

 REDEMPTION AND PREPAYMENT  

        This Article 3 shall replace and supersede Sections 11.02 to 11.08 of the Base Indenture in their entirety, solely with respect to the Notes. 

Section 3.01.    Notices to Trustee.  

        If the Company elects to redeem Notes pursuant to the optional redemption provisions of Section 3.07 hereof, it shall furnish to the Trustee, at least
60 days before a Redemption Date (or such shorter period as allowed by the Trustee), an Officers' Certificate setting forth (a) the applicable section of this Third Supplemental
Indenture pursuant to which the redemption shall occur, (b) the Redemption Date, (c) the principal amount of Notes to be redeemed and (d) the Redemption Price or the appropriate
method for calculation of the Redemption Price. 

Section 3.02.    Selection of Notes to Be Redeemed.  

        If less than all of the Notes are to be redeemed at any time, the Trustee shall select the Notes to be redeemed among the Holders of the Notes in compliance with
the requirements of the principal national securities exchange, if any, on which the Notes are listed or, if the Notes are not so listed, on a  pro rata basis, by lot or in accordance with any other
method the Trustee deems fair and appropriate. In the event of partial redemption by lot,
the particular Notes to be redeemed shall be selected, unless otherwise provided herein, not less than 30 nor more than 60 days prior to the Redemption Date by the Trustee from the
outstanding Notes not previously called for redemption. 

        The
Trustee shall promptly notify the Company and the Security Registrar (if other than the Company or the Trustee) in writing of the Notes selected for redemption and, in the
case of any Note selected for partial redemption, the principal amount thereof to be redeemed. Notes and portions of Notes selected shall be in amounts of US$1,000 or integral multiples thereof;
except that if all of the Notes of a Holder are to be redeemed, the entire outstanding amount of Notes held by such Holder, even if not an integral multiple of US$1,000, shall be redeemed. Except as
provided in the preceding sentence, provisions of this Third Supplemental Indenture that apply to Notes called for redemption also apply to portions of Notes called for redemption. 

28

 

Section 3.03.    Notice of Redemption.  

        At least 30 days but not more than 60 days prior to a Redemption Date, the Company shall mail or cause to be mailed, by first class mail, a notice
of redemption to each Holder whose Notes are to be redeemed in accordance with Section 1.06 of the Base Indenture at such Holder's registered address appearing in the Security Register, except
that redemption notices may be mailed more than 60 days prior to a Redemption Date if the notice is issued in connection with a defeasance pursuant to Article 7 hereof or a satisfaction
and discharge pursuant to Article 10 hereof. 

        The
notice shall identify the Notes to be redeemed and shall state: 

        (a)   the
Redemption Date; 

        (b)   the
appropriate method for calculation of the redemption price, but need not include the redemption price itself; the actual redemption price shall be set forth in an
Officers' Certificate delivered to the Trustee no later than two (2) Business Days prior to the Redemption Date unless clause (2) of the definition of "Comparable Treasury Price"
is applicable, in which case such Officers' Certificate should be delivered on the Redemption Date; 

        (c)   if
any Note is being redeemed in part, the portion of the principal amount of such Note to be redeemed and that, after the Redemption Date upon surrender of such Note,
if applicable, a new Note or Notes in principal amount equal to the unredeemed portion shall be issued upon cancellation of the original Note; 

        (d)   the
name and address of the Paying Agent and the Place or Places of Payment; 

        (e)   that
Notes called for redemption must be surrendered to the Place or Places of Payment to collect the redemption price; 

        (f)    that,
unless the Company defaults in making such redemption payment, interest on Notes called for redemption ceases to accrue on and after the Redemption Date; 

        (g)   the
applicable section of this Third Supplemental Indenture pursuant to which the Notes called for redemption are being redeemed; and 

        (h)   that
no representation is made as to the correctness of the CUSIP and/or ISIN numbers, if any, listed in such notice or printed on the Notes. 

        At
the Company's request, the Trustee shall give the notice of redemption in the Company's name and at its expense; provided, however,
that the Company shall have delivered to the Trustee, at least 45 days (or such shorter period allowed by the Trustee), prior to the Redemption Date, an Officers' Certificate requesting
that the Trustee give such notice (in the name and at the expense of the Company) and setting forth the information to be stated in such notice as provided in this Section 3.03. 

Section 3.04.    Effect of Notice of Redemption.  

        Once notice of redemption is mailed in accordance with Section 3.03 hereof, Notes called for redemption shall become irrevocably due and payable on the
Redemption Date at the redemption price. A notice of redemption may not be conditional. 

29

 

Section 3.05.    Deposit of Redemption Price.  

        On or prior to 12:00 noon Eastern time on the Business Day prior to any Redemption Date, the Company shall deposit with the Trustee or with the Paying
Agent money sufficient to pay the redemption price of and, if applicable, accrued and unpaid interest on all Notes to be redeemed on that date. The Trustee or the Paying Agent shall promptly, and in
any event within two (2) Business Days after the Redemption Date, return to the Company any money deposited with the Trustee or the Paying Agent by the Company in excess of the amounts
necessary to pay the redemption price of, and accrued and unpaid interest, if any, on, all Notes to be redeemed. The Trustee or Paying Agent, as the case may be, shall have no duty to invest such
deposited funds. 

        If
the Company complies with the provisions of the preceding paragraph, on and after the Redemption Date, interest shall cease to accrue on the Notes or the portions of Notes called for
purchase or redemption in accordance with Section 2.06(d) hereof, whether or note such Notes are presented for payment. If a Note is redeemed on or after a Regular Record Date but on or
prior to the related Interest Payment Date, then any accrued and unpaid interest, if any, shall be paid to the Person in whose name such Note was registered at the close of business on such Regular
Record Date. If any Note called for redemption shall not be so paid upon surrender for redemption because of the failure of the Company to comply with the preceding paragraph, interest shall be paid
on the unpaid principal from the Redemption Date until such principal is paid. 

Section 3.06.    Notes Redeemed in Part.  

        Upon surrender of a Note that is redeemed in part, the Company shall issue and, upon receipt of an Authentication Order in accordance with Section 2.02
hereof, the Trustee shall authenticate for the Holder at the expense of the Company a new Note equal in principal amount to the unredeemed portion of the Note surrendered. 

Section 3.07.    Optional Redemption.  

        (a)   Except
as set forth below, the Notes shall not be redeemable at the option of the Company prior to July 1, 2009. Starting on that date, the Company may redeem all
or any portion of the Notes, at once or over time, after giving the notice required pursuant to Section 3.03 hereof. The Notes may be redeemed at the redemption prices set forth below, plus
accrued and unpaid interest, to but excluding the applicable Redemption Date (subject to the right of Holders on the relevant Regular Record Date to receive interest due on the relevant Interest
Payment Date). The following prices are for Notes redeemed during the 12-month period commencing on July 1 of the years set forth below, and are expressed as percentages of
principal amount: 

	Year 
	 	Redemption Price

	2009	 	103.813%
	2010	 	101.906%
	2011 and thereafter	 	100.000%

        (b)   In
addition, at any time and from time to time prior to July 1, 2009, the Company may elect to redeem all or any portion of the Notes, after giving the notice
required pursuant to Section 3.03 hereof, at a redemption price equal to the greater of: 

        (i)    100%
of the principal amount of Notes to be redeemed, and 

        (ii)   the
sum of the present values of (1) the redemption price of the Notes to be redeemed at, July 1, 2009 (as set forth in the prior paragraph) of the
Notes to be redeemed, and (2) the remaining scheduled payments of interest from the Redemption Date to, July 1, 2009, but excluding accrued and unpaid interest to the Redemption Date,
discounted to the date of redemption on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate plus 50 basis
points, 

plus,
in either case, accrued and unpaid interest to the Redemption Date (subject to the right of Holders on the relevant Regular Record Date to receive interest due on the relevant Interest Payment
Date). 

30

 

        (c)   In
addition, at any time and from time to time, prior to July 1, 2008, the Company may redeem up to 35% of the aggregate principal amount of the Notes (including
any Additional Notes) then outstanding with the net cash proceeds of one or more Public Equity Offerings, at a redemption price equal to 107.625% of the principal amount, plus accrued and unpaid
interest, to but excluding the Redemption Date (subject to the right of Holders of record on the relevant Regular Record Date to receive interest due on the relevant Interest Payment Date);  provided,
however, that after giving effect to any such redemption, at least 65% of the aggregate
principal amount of the Notes (including any Additional Notes) remains outstanding. Any such redemption shall be made within 90 days of the closing of such Public Equity Offering and upon not
less than 30 nor more than 60 days' prior notice. 

        (d)(i) The
Company may, at its option, at any time redeem in whole but not in part the outstanding Notes at a redemption price of 100% of the principal amount thereof plus accrued
and unpaid interest (if any) to but excluding the date of redemption if it has become or would become obligated to pay on the next date on which any amount would be payable under or in respect
of the Notes any Additional Amounts in respect of the Notes as a result of: 

        (A)  any
change in or amendment to the laws (or regulations promulgated thereunder) of Canada (or any political subdivision or taxing authority thereof or
therein), or 

        (B)  any
change in or amendment to any official position regarding the application or interpretation of such laws or regulations, 

in
either case, which change or amendment is announced or is effective on or after the Issue Date (unless announced prior to the Issue Date). 

        (ii)   It
shall be a condition to the Company's right to redeem the Notes pursuant to the provisions set forth in clause (i) above that, prior to giving any
notice of redemption of the Notes, the Company shall have delivered to the Trustee: 

        (A)  an
Officers' Certificate stating that the obligation to pay such Additional Amounts cannot be avoided by the Company taking reasonable measures available to it; and 

        (B)  an
Opinion of Counsel that the Company has or will become obligated to pay, on the next date on which any amount would be payable with respect to the Notes, Additional
Amounts in respect of the Notes as a result of an amendment or change of the type described in clause (i) above, which opinion, in the case of an announced amendment or change, may
assume that the announced amendment or change will become effective as of the date specified in such announcement and in the form announced and, where the change or amendment is one described in
clause (i)(B) above, may assume such official position accurately reflects the relevant law. 

        (e)   Any
prepayment pursuant to this Section 3.07 shall be made pursuant to the provisions of Sections 3.01 through 3.06 hereof. 

Section 3.08.    Mandatory Redemption.  

        There shall be no mandatory sinking fund payments with respect to the Notes. Except as set forth in Sections 4.12 and 4.18 hereof, the Company shall
not be required to make mandatory redemption payments with respect to, or offer to purchase, the Notes. 

Section 3.09.    Offer To Purchase.  

        (a)   In
the event that, pursuant to Section 4.12 or 4.18 hereof, the Company shall be required to commence a Prepayment Offer or a Change of Control Offer
(each, an "Offer to Purchase"), it shall follow the procedures specified below. The provisions of this Section 3.09 (together with
Sections 4.12 and 4.18) shall replace and supersede Article 13 of the Base Indenture in its entirety. 

        (b)   The
Company shall cause a notice of the Offer to Purchase to be sent at least once to the Dow Jones News Service
or similar business news service in the United States, provided, that the first notice shall be sent prior to, or on the day of, commencement of the Offer to Purchase. 

31

   
        (c)   The Company shall commence the Offer to Purchase by sending, by first-class mail, with a copy to the Trustee, to each Holder at such Holder's address appearing in the
Security Register, a notice, the terms of which shall govern the Offer to Purchase, stating: 

        (i)    that
the Offer to Purchase is being made pursuant to this Section 3.09 and Section 4.12 or Section 4.18, as the case may be, and, in the case of a
Change of Control Offer, that a Change of Control has occurred, the circumstances and relevant facts regarding the Change of Control and that a Change of Control Offer is being made pursuant to
Section 4.18; 

        (ii)   the
principal amount of Notes in respect of which the Offer to Purchase is made pursuant to Section 4.12 or Section 4.18, as the case may be
(the "Offer Amount"), the purchase price set forth in Section 4.12 or Section 4.18, as applicable
(the "Purchase Price"), the Offer Period and the Purchase Date (each as defined below); 

        (iii)  except
as provided in clause (ix), that all Notes timely tendered and not withdrawn shall be accepted for payment; 

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

        (v)   that,
unless the Company defaults in making such payment, any Note accepted for payment pursuant to the Offer to Purchase shall cease to accrue interest after the
Purchase Date; 

        (vi)  that
Holders electing to have a Note purchased pursuant to an Offer to Purchase may elect to have Notes purchased in integral multiples of US$1,000 only; 

        (vii) that
Holders electing to have a Note purchased pursuant to any Offer to Purchase shall be required to surrender the Note, with the form entitled "Option of Holder to
Elect Purchase" on the reverse of the Note completed, or transfer by book-entry transfer, to the Company, the Depositary, if appointed by the Company, or a Paying Agent at the address
specified in the notice before the close of business on the third Business Day before the Purchase Date; 

        (viii) that
Holders shall be entitled to withdraw their election if the Company, the Depositary or the Paying Agent, as the case may be, receives, not later than the
expiration of the Offer Period, a telegram, facsimile transmission or letter setting
forth the name of the Holder, the principal amount of the Note (or portions thereof) the Holder delivered for purchase and a statement that such Holder is withdrawing his election to have such
Note purchased; 

        (ix)  that,
in the case of a Prepayment Offer, if the aggregate principal amount of Notes surrendered by Holders exceeds the Offer Amount, the Company shall select the Notes
to be purchased on a pro rata basis (with such adjustments as may be deemed appropriate by the Company so that only Notes in denominations of
US$1,000 or integral multiples thereof shall be purchased); 

        (x)   that
Holders whose Notes were purchased in part shall be issued new Notes equal in principal amount to the unpurchased portion of the Notes surrendered
(or transferred by book-entry transfer); and 

        (xi)  any
other procedures the Holders must follow in order to tender their Notes (or portions thereof) for payment and the procedures that Holders must follow in
order to withdraw an election to tender Notes (or portions thereof) for payment. 

        (d)   The
Offer to Purchase shall remain open for a period of at least 30 days but no more than 60 days following its commencement, except to the extent that a
longer period is required by applicable law (the "Offer Period"). No later than five (5) Business Days (and in any event no later
than the 60th day following the Change of Control) after the termination of the Offer Period (the "Purchase Date"), the Company shall purchase
the Offer Amount, or if less than the Offer Amount has been tendered all, of the Notes tendered in response to the Offer to Purchase. Payment for any Notes so purchased shall be made in the same
manner as interest payments are made. The Company shall publicly announce the results of the Offer to Purchase on the Purchase Date. 

32

 

        (e)   On
or prior to the Purchase Date, the Company shall, to the extent lawful: 

        (i)    accept
for payment (on a pro rata basis to the extent necessary in connection with an Prepayment Offer),
the Offer Amount of Notes or portions of Notes properly tendered and not withdrawn pursuant to the Offer to Purchase, or if less than the Offer Amount has been tendered, all Notes tendered; 

        (ii)   deposit
with the Paying Agent funds in an amount equal to the Purchase Price in respect of all Notes or portions of Notes properly tendered; and 

        (iii)  deliver
or cause to be delivered to the Trustee the Notes properly accepted together with an Officers' Certificate stating the aggregate principal amount of Notes or
portions of Notes being purchased by the Company and that such Notes or portions thereof were accepted for payment by the Company in accordance with the terms of this Section 3.09. 

        (f)    The
Paying Agent (or the Company, if acting as the Paying Agent) shall promptly (but in the case of a Change of Control, not later than 60 days from
the date of commencement of the Change of Control Offer) deliver to each tendering Holder the Purchase Price. In the event that any portion of the Notes surrendered is not purchased by the Company,
the Company shall promptly execute and issue a new Note in a principal amount equal to such unpurchased portion of the Note surrendered, and, upon receipt of an Authentication Order in accordance with
Section 2.02 hereof, the Trustee shall authenticate and deliver (or cause to be transferred by book-entry) such new Note to such Holder, in a principal amount equal to any
unpurchased portion of the Note surrendered; provided, however, that each such new Note shall be in a
principal amount of US$1,000 or an integral multiple thereof. Any Note not so accepted shall be promptly mailed or delivered by the Company to the Holder thereof. 

        (g)   If
the Purchase Date is on or after a Regular Record Date and on or before the related Interest Payment Date, any accrued and unpaid interest shall be paid to the Person
in whose name a Note is registered at the close of business on such Regular Record Date, and no additional interest shall be payable to Holders who tender Notes pursuant to the Offer to Purchase. 

        (h)   The
Company shall comply, to the extent applicable, 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 the Offer to Purchase. To the extent that the provisions of any securities laws or regulations
conflict with Sections 4.12 or 4.18, as applicable, this Section 3.09 or other provisions of this Third Supplemental Indenture, the Company shall comply with applicable
securities laws and regulations and shall not be deemed to have breached its obligations under Sections 4.12 or 4.18, as applicable, this Section 3.09 or such other
provision by virtue of such compliance. 

        (i)    Other
than as specifically provided in this Section 3.09, any purchase pursuant to this Section 3.09 shall be made in accordance with the provisions of
Section 3.01 through 3.06 hereof. 

ARTICLE 4.  

 COVENANTS  

        This Article 4 shall replace and supersede Article 10 of the Base Indenture in its entirety, solely with respect to the Notes. 

Section 4.01.    Payment of Notes.  

        The Company shall pay or cause to be paid the principal of, premium, if any, and interest on, the Notes on the dates and in the manner provided in this Third
Supplemental Indenture and the Notes. Principal, premium, if any, and interest shall be considered paid on the date due if the Paying Agent, if other than the Company or a Subsidiary thereof, holds as
of 12:00 noon Eastern Time on the due date money deposited by the Company in immediately available funds and designated for and sufficient to pay all principal, premium, if any, and interest
then due. Such Paying Agent shall return to the Company promptly, and in any event, no later than five (5) Business Days following the date of payment, any money (including accrued interest)
that exceeds such amount of principal, premium, if any, and interest paid on the Notes. The Paying Agent shall have no duty to invest any such money deposited with it. If a payment date is a Legal
Holiday at a place of payment, payment may be made at that place on the next succeeding day that is not a Legal Holiday, and no interest shall accrue on such payment for the intervening period. The
Company shall pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue principal, premium, if any, and interest at the same rate per annum as
the rate then in effect. 

33

 

        Interest
shall be computed on the basis of a 360-day year of twelve 30-day months. For the purposes of the Interest
Act (Canada), the yearly rate of interest which is equivalent to the rate payable hereunder is the rate payable multiplied by the actual number of days in the year and divided
by 360. 

Section 4.02.    Maintenance of Office or Agency.  

        (a)   The
Company shall maintain in the Borough of Manhattan, The City of New York, an office or agency (which may be an office or drop facility of the Trustee or an
affiliate of the Trustee, Security Registrar or co-Security Registrar) where Notes may be presented or surrendered for registration of transfer or for exchange and where notices and
demands to or upon the Company in respect of the Notes and this Third Supplemental Indenture may be served. The Company shall give prompt written notice to the Trustee of the location, and any change
in the location, of such office or agency. If at any time the Company shall fail to maintain any such required office or agency or shall fail to furnish the Trustee with the address thereof, such
presentations, surrenders, notices and demands may be made or served at the Corporate Trust Office of the Trustee, and the Company hereby appoints the Trustee as its agent to receive all such
presentations, surrenders, notices and demands. 

        (b)   The
Company may also from time to time designate one or more other offices or agencies where the Notes may be presented or surrendered for any or all such purposes and
may from time to time rescind such designations. The Company shall give prompt written notice to the Trustee of any such designation or rescission and of any change in the location of any such other
office or agency. 

        (c)   The
Company hereby designates the Corporate Trust Office of the Trustee, as one such office, drop facility or agency of the Company for each of the said purposes in this
Section 4.02 in accordance with Section 2.03 hereof. 

Section 4.03.    Reports.  

        The Company shall provide the Trustee and, to the extent not filed electronically with the Commission through the Commission's Electronic Data Gathering, Analysis
and Retrieval System (or any successor system), the Holders, within 15 days after it files with, or furnishes to, the Commission, copies of its annual report and of the information,
documents and other reports (or copies of such portions of any of the foregoing as the Commission may by rules and regulations prescribe), which the Company is required to file with the
Commission pursuant to Section 13 or 15(d) of the Exchange Act or is required to furnish to the Commission pursuant to this Third Supplemental Indenture. Notwithstanding that the
Company may not be required to remain subject to the reporting requirements of Section 13 or 15(d) of the Exchange Act or otherwise report on an annual and quarterly basis on
forms provided for such annual and quarterly reporting pursuant to rules and regulations promulgated by the Commission, the Company will continue to file with, or furnish to, the Commission, the
Trustee and, to the extent not filed electronically with the Commission through the Commission's Electronic Data Gathering, Analysis and Retrieval System (or any successor system), provide the
Holders: 

        (a)   within
90 days after the end of each fiscal year (or such shorter period as the Commission may in the future prescribe), annual reports on
Form 20-F or Form 40-F (or any successor or comparable form) containing the information required to be contained therein (or required in such
successor or comparable form), and 

34

 

        (b)   within
45 days after the end of each of the first three fiscal quarters of each fiscal year (or such shorter period as the Commission may in the future
prescribe) and promptly from time to time after the occurrence of an event other reports on Form 6-K (or any successor or comparable form) containing the information required
to be contained therein (or required in any successor or comparable form); 

provided, however, that the Company shall not be so obligated to file such reports with the Commission if the Commission does not permit such filings. 

Section 4.04.    Compliance Certificate.  

        (a)   The
Company shall deliver to the Trustee, within 90 days after the end of each fiscal year (which as of the Issue Date is December 31), an Officers'
Certificate stating that a review of the activities of the Company and its Subsidiaries during the preceding fiscal year and of their performance under this Third Supplemental Indenture has been made
under the supervision of the signing Officers with a view to determining whether the Company and its Subsidiaries have kept, observed, performed and fulfilled their obligations under this Third
Supplemental Indenture, and further stating, as to each such Officer signing such certificate, that to the best of his or her knowledge the Company and its Subsidiaries have been in compliance with
every covenant contained in this Third Supplemental Indenture and are not in default in the performance or observance of any of the terms, provisions, obligations and conditions of this Third
Supplemental Indenture (or, if a Default or Event of Default shall have occurred, describing all such Defaults or Events of Default of which he or she may have knowledge and what action the
Company is taking or proposes to take with respect thereto) and that to the best of his or her knowledge no event has occurred and remains in existence by reason of which payments on account of the
principal of, premium, if any, or interest on the Notes is prohibited or if such event has occurred, a description of the event and what action the Company is taking or proposes to take with respect
thereto. 

        (b)   The
Company shall otherwise comply with TIA §314(a)(2). 

        (c)   The
Company shall deliver to the Trustee, within 30 days after the occurrence thereof, written notice in the form of an Officers' Certificate of any Event of
Default, its status and what action the Company is taking or proposes to take with respect thereto. 

Section 4.05.    Taxes.  

        The Company shall pay, and shall cause each of its Subsidiaries to pay, prior to delinquency, all material taxes, assessments and governmental levies imposed upon
it, its Subsidiaries or their respective incomes, profits or properties, except such as are being contested in good faith and by appropriate proceedings or where the failure to effect such payment is
not adverse in any material respect to the Holders. 

Section 4.06.    Stay, Extension and Usury Laws.  

        The Company covenants (to the extent that it may lawfully do so) that it shall not at any time insist upon, plead, or in any manner whatsoever claim or
take the benefit or advantage of, any stay, extension or usury law wherever enacted, now or at any time hereafter in force, that may affect the covenants or the performance of this Third Supplemental
Indenture; and the Company (to the extent that it may lawfully do so) hereby expressly waives all benefit or advantage of any such law, and covenants that it shall not, by resort to any such
law, hinder, delay or impede the execution of any power herein granted to the Trustee, but shall suffer and permit the execution of every such power as though no such law has been enacted. 

Section 4.07.    Corporate Existence.  

        Subject to Article 5 hereof, the Company will do or cause to be done all things necessary to preserve and keep in full force and effect its corporate
existence and the rights (charter and statutory) and franchises of the Company; provided, however, that the Company shall not be required to preserve
any such right or franchise if the Company shall determine that either (i) the preservation thereof is no longer desirable in the conduct of the business of the Company and its Subsidiaries as
a whole and that the loss thereof is not disadvantageous in any material respect to the Holders or (ii) that such preservation is not necessary in connection with any transaction not prohibited
by this Third Supplemental Indenture. For greater certainty, notwithstanding the foregoing, the Company may effect any arrangement, merger, consolidation or amalgamation with or into any other Person
or sale, transfer, assignment, lease, conveyance or other disposal of all or substantially all of its property in any one transaction or series of transactions not prohibited pursuant to
Section 5.01. 

35

 

Section 4.08.    Payments for Consent.  

        The Company shall not, and shall not permit any Restricted Subsidiary to, directly or indirectly, pay or cause to be paid any consideration, whether by way of
interest, fee or otherwise, to or for the benefit of any Holder for or as an inducement to any consent, waiver or amendment of any of the terms or provisions of this Third Supplemental Indenture or
the Notes unless such consideration is offered to be paid and is paid to all Holders that consent, waive or agree to amend in the time frame set forth in the solicitation documents relating to such
consent, waiver or agreement. 

Section 4.09.    Limitation on Debt and Preferred Stock.  

        (a)   The
Company shall not, and shall not permit any Restricted Subsidiary to, Incur, directly or indirectly, any Debt, and the Company shall not permit any Restricted
Subsidiary to issue any Preferred Stock; provided, however, that the Company and its Restricted Subsidiaries may Incur Debt and the Restricted
Subsidiaries may issue Preferred Stock if either: 

        (i)    after
giving effect to the Incurrence of such Debt or issuance of such Preferred Stock and the application of the proceeds thereof, the Consolidated Fixed Charge
Coverage Ratio would be at least 2.0 to 1.0, or 

        (ii)   such
Debt or Preferred Stock is Permitted Debt. 

        (b)   The
term "Permitted Debt" shall include the following: 

        (i)    Debt
of the Company evidenced by the Notes issued on the Issue Date; 

        (ii)   Debt
of the Company or a Restricted Subsidiary under Credit Facilities, provided that the aggregate principal amount of
all such Debt under Credit Facilities at any one time outstanding shall not exceed the greater of US$1,250.0 million and the Borrowing Base as at the most recently ended fiscal quarter for
which audited or unaudited consolidated financial statements of the Company are available, which amount shall be permanently reduced by the amount of Net Available Cash used to Repay Debt under Credit
Facilities and not subsequently reinvested in Additional Assets or used to purchase Notes or Repay other Debt, pursuant to Section 4.12; 

        (iii)  Debt
of the Company or a Restricted Subsidiary under a Receivables Program in an aggregate amount at any one time outstanding not to exceed, together with the amounts
outstanding under clause (ii) above, the greater of US$1,250.0 million and the Borrowing Base as at the most recently ended fiscal quarter for which audited or unaudited
consolidated financial statements of the Company are available; 

        (iv)  Debt
of the Company or a Restricted Subsidiary in respect of Capital Lease Obligations and Purchase Money Debt, provided
that: 

        (A)  the
aggregate principal amount of such Debt does not exceed the Fair Market Value (on the date of the Incurrence thereof) of the Property acquired, constructed or
leased, and 

36

 

        (B)  the
aggregate principal amount of all Debt Incurred and then outstanding pursuant to this clause (iv) (together with all Permitted Refinancing Debt
Incurred and then outstanding in respect of Debt previously Incurred pursuant to this clause (d)) does not exceed 10% of Total Assets; 

        (v)   Debt
of the Company owing to and held by any Wholly Owned Restricted Subsidiary, Debt of a Restricted Subsidiary owing to and held by the Company or any Wholly Owned
Restricted Subsidiary and Preferred Stock of a Restricted Subsidiary issued to and held by the Company or any Wholly Owned Restricted Subsidiary;  provided, however, that any subsequent issue or transfer of Capital Stock or other event that results in
any such Wholly Owned Restricted Subsidiary ceasing to be a Wholly Owned Restricted Subsidiary or any subsequent transfer of any such Debt or Preferred Stock (except to the Company or a Wholly Owned
Restricted Subsidiary) shall be deemed, in each case, to constitute the Incurrence of such Debt by the issuer thereof; 

        (vi)  Acquired
Indebtedness; 

        (vii) Debt
under Interest Rate Agreements entered into by the Company or a Restricted Subsidiary for the purpose of managing interest rate risk in the ordinary course of the
financial management of the Company or such Restricted Subsidiary and not for speculative purposes, provided that the obligations under such agreements
are directly related to payment obligations on Debt otherwise permitted by the terms of this Section 4.09; 

        (viii) Debt
under Currency Exchange Protection Agreements entered into by the Company or a Restricted Subsidiary for the purpose of managing currency exchange rate risks in
the ordinary course of business and not for speculative purposes; 

        (ix)  Guarantees
by the Company or any Restricted Subsidiary of Debt or any other obligation or liability of the Company or any Restricted Subsidiary Guarantor that the
Company or such Restricted Subsidiary could otherwise have Incurred pursuant to this Section 4.09; 

        (x)   Debt
in connection with one or more standby letters of credit or performance or surety bonds issued by the Company or a Restricted Subsidiary in the ordinary course of
business or pursuant to self-insurance obligations and not in connection with the borrowing of money or the obtaining of advances or credit not to exceed 5.0% of Total Assets at any time
outstanding; 

        (xi)  Debt
of the Company or any Restricted Subsidiary arising from the honoring of a check, draft or similar instrument drawn against insufficient funds in the ordinary
course of business; provided that such Debt is extinguished within five Business Days of its Incurrence; 

        (xii) Debt
of the Company or a Restricted Subsidiary outstanding on the Issue Date not otherwise described in clauses (i) through (xi) above; 

        (xiii) Debt
of the Company or a Restricted Subsidiary in an aggregate principal amount outstanding at any one time (including any Permitted Refinancing Debt Incurred
pursuant to clause (xiv) below with respect thereto) not to exceed US$250.0 million; and 

        (xiv) Permitted
Refinancing Debt Incurred in respect of Debt Incurred pursuant to Section 4.09(a)(i) and clauses (i), (iv), (vi), (xii)
and (xiii) above. 

        (c)   For
purposes of this Section 4.09, accrual of interest, accretion or amortization of original issue discount and the payment of interest or dividends in the form
of additional Debt or Preferred Stock, will not be deemed to be an Incurrence of Debt. For purposes of determining compliance with this Section 4.09, in the event that any item of Debt or
Preferred Stock meets the criteria of more than one of the categories of Permitted Debt described in clauses (i) through (xiv) of Section 4.09(b) or is
entitled to be incurred pursuant to Section 4.09(a)(i), the Company shall, in its sole discretion, classify (or later reclassify in whole or in part, in its sole discretion) such
item of Debt or Preferred Stock in any manner that complies with this covenant; provided, that any Debt outstanding under Credit Facilities after the
application of the net proceeds from the sale of the Notes will be treated as Incurred on the Issue Date under clause (ii) above and any Debt outstanding under a Receivables Program
after the application of the net proceeds from the sale of the Notes will be treated as Incurred on the Issue Date under clause (iii) above. 

37

 

Section 4.10.    Limitation on Restricted Payments.  

        (a)   The
Company shall not make, and shall not permit any Restricted Subsidiary to make, directly or indirectly, any Restricted Payment if at the time of, and after giving
effect to, such proposed Restricted Payment, 

        (i)    a
Default or Event of Default shall have occurred and be continuing, 

        (ii)   the
Company could not Incur at least US$1.00 of additional Debt pursuant to Section 4.09(a)(i), or 

        (iii)  the
aggregate amount of such Restricted Payment and all other Restricted Payments declared or made since the Issue Date (the amount of any Restricted Payment,
if made other than in cash, to be based upon Fair Market Value at the time of such Restricted Payment) would exceed an amount equal to the sum of: 

        (A)  50%
of the aggregate amount of Consolidated Net Income for the period (treated as one accounting period) from the beginning of the fiscal quarter during which the Issue
Date occurs to the end of the most recently ended fiscal quarter for which internal financial statements are available (or if the aggregate amount of Consolidated Net Income for such period
shall be a loss, minus 100% of such loss), plus 

        (B)  100%
of Capital Stock Sale Proceeds, plus 

        (C)  the
sum of: 

        (1)   the
aggregate net cash proceeds received by the Company or any Restricted Subsidiary from the issuance or sale after the Issue Date of convertible or exchangeable Debt
that has been converted into or exchanged for Capital Stock (other than Disqualified Stock) of the Company, and 

        (2)   the
aggregate amount by which Debt (other than Subordinated Obligations) of the Company or any Restricted Subsidiary is reduced on or after the Issue Date on the
Company's most recent audited or unaudited consolidated balance sheet upon the conversion or exchange of any Debt issued or sold on or prior to the Issue Date that is convertible or exchangeable for
Capital Stock (other than Disqualified Stock) of the Company, 

excluding,
in the case of clause (1) or (2): 

        (x)   any
such Debt issued or sold to the Company or a Subsidiary of the Company or an employee stock ownership plan or trust established by the Company or any such Subsidiary
for the benefit of their employees, and 

        (y)   the
aggregate amount of any cash or other Property distributed by the Company or any Restricted Subsidiary upon any such conversion or exchange, plus 

        (D)  an
amount equal to the sum of: 

38

 

        (1)   the
net reduction in Investments in any Person other than the Company or a Restricted Subsidiary resulting from dividends, repayments of loans or advances or other
transfers of Property, in each case to the Company or any Restricted Subsidiary from such Person, and 

        (2)   the
portion (proportionate to the Company's equity interest in such Unrestricted Subsidiary) of the Fair Market Value of the net assets of an Unrestricted Subsidiary at
the time such Unrestricted Subsidiary is designated a Restricted Subsidiary; 

provided, however, that the foregoing sum shall not exceed, in the case of any Person, the amount of
Investments previously made (and treated as a Restricted Payment) by the Company or any Restricted Subsidiary in such Person. 

        (b)   Notwithstanding
the limitation set forth in clause (a) above, the Company may: 

        (i)    pay
dividends on its Capital Stock within 60 days of the declaration thereof if, on the declaration date, such dividends could have been paid in compliance with
this Third Supplemental Indenture, provided, however, that such dividends shall be included in the calculation of the amount of Restricted Payments; 

        (ii)   purchase,
repurchase, redeem, legally defease, acquire or retire for value Capital Stock or Subordinated Obligations of the Company or any Subsidiary in exchange for,
or out of the proceeds of the substantially concurrent sale of, Capital Stock of the Company (other than Disqualified Stock and other than Capital Stock issued or sold to a Subsidiary of the Company
or an employee stock ownership plan or trust established by the Company or any such Subsidiary for the benefit of their employees); provided,  however, that

        (A)  any
payments made in connection with such purchase, repurchase, redemption, legal defeasance, acquisition or retirement shall be excluded in the calculation of the
amount of Restricted Payments and 

        (B)  the
Capital Stock Sale Proceeds from such exchange or sale shall be excluded from the calculation pursuant to clause (a)(iii)(B) above; 

        (iii)  purchase,
repurchase, redeem, legally defease, acquire or retire for value any Subordinated Obligations in exchange for, or out of the proceeds of the substantially
concurrent Incurrence of, Permitted Refinancing Debt; provided, however, that payments made in
connection with such purchase, repurchase, redemption, legal defeasance, acquisition or retirement shall be excluded in the calculation of the amount of Restricted Payments; 

        (iv)  make
payments at Stated Maturity on inter-company Debt and Preferred Stock, the Incurrence or issuance of which was permitted pursuant to Section 4.09;  provided, however, that, except with respect to
inter-company Debt Incurred by the Company, no Default or Event of Default has occurred and is
continuing or would otherwise result therefrom; and provided further that any such payments shall be excluded in the calculation of the amount of
Restricted Payments made after the Issue Date; 

        (v)   purchase,
repurchase, redeem, legally defease, acquire or retire for value Existing Convertible Securities; provided,  however, that immediately prior to and after
giving effect to such purchase, repurchase, redemption, defeasance,
acquisition or retirement, no Default or Event of Default shall have occurred and be continuing; and provided further, that any payment made in
connection with such purchase, repurchase, redemption, defeasance, acquisition or retirement shall be excluded in the calculation of the amount of Restricted Payments; and 

        (vi)  make
additional Restricted Payments in an aggregate amount not to exceed US$50.0 million; provided, however, that
such payments shall be excluded in the calculation of the amount of Restricted Payments. 

39

 

Section 4.11.    Limitation on Liens.  

        The Company shall not, and shall not permit any Restricted Subsidiary to, directly or indirectly, Incur or suffer to exist, any Lien (other than Permitted Liens
or Liens securing Senior Debt) upon any of its Property (including Capital Stock of a Restricted Subsidiary), whether owned at the Issue Date or thereafter acquired, or any interest therein or any
income or profits therefrom, unless: 

        (a)   if
such Lien secures Senior Subordinated Debt the Notes are secured on an equal and ratable basis with such Debt and, 

        (b)   if
such Lien secures Subordinated Obligations, such Lien shall be subordinated to a Lien securing the Notes in the same Property as that securing such Lien to the same
extent as such Subordinated Obligations are subordinated to the Notes. 

Section 4.12.    Limitation on Asset Sales.  

        (a)   The
Company shall not, and shall not permit any Restricted Subsidiary to, directly or indirectly, consummate any Asset Sale unless: 

        (i)    the
Company or such Restricted Subsidiary receives consideration at the time of such Asset Sale at least equal to the Fair Market Value of the Property subject to such
Asset Sale; 

        (ii)   at
least 75% of the consideration paid to the Company or such Restricted Subsidiary in connection with such Asset Sale is in the form of one or more of (A) cash
or Cash Equivalents, (B) the assumption of liabilities of the Company or any Restricted Subsidiary (other than contingent liabilities or liabilities that are by their terms subordinated to the
Notes) by the transferee of any such assets pursuant to a customary novation agreement or other agreement that releases or indemnifies the Company or such Restricted Subsidiary from further liability
with respect to such liabilities, or (C) any securities, notes or other obligations received by the Company or any such Restricted Subsidiary from such transferee to the extent converted by the
Company or such Restricted Subsidiary into cash within 30 days of receipt thereof by the Company or such Restricted Subsidiary; and 

        (iii)  the
Company delivers an Officers' Certificate to the Trustee certifying that such Asset Sale complies with the foregoing clauses (i) and (ii). 

        (b)   The
Net Available Cash (or any portion thereof) from Asset Sales may be applied by the Company or a Restricted Subsidiary, to the extent the Company or such
Restricted Subsidiary elects (or is required by the terms of any Debt): 

        (i)    to
Repay Senior Debt of the Company or Debt of any Restricted Subsidiary (excluding, in any such case, any Debt owed to the Company or an Affiliate of the Company); or 

        (ii)   to
invest in Additional Assets (including the making of any capital expenditure by the Company or such Restricted Subsidiary (in each case for or on behalf of
the Company or any Restricted Subsidiary) or by means of an Investment in Additional Assets by a Restricted Subsidiary with Net Available Cash received by the Company or another Restricted
Subsidiary). 

        Any
Net Available Cash from an Asset Sale not applied in accordance with the preceding paragraph within 365 days from the date of the receipt by the Company or such Restricted
Subsidiary of such Net Available Cash shall constitute "Excess Proceeds." 

        (c)   When
the aggregate amount of Excess Proceeds exceeds US$10.0 million (taking into account income earned on such Excess Proceeds, if any), the Company will be
required to make an offer to repurchase (the "Prepayment Offer") the Notes, which offer shall be in the amount of the Allocable Excess Proceeds
(rounded to the nearest US$1,000), on a pro rata basis according to principal amount, at a purchase price equal to 100% of the principal amount
thereof, plus accrued and unpaid interest, to the repurchase date (subject to the right of holders of record on the relevant record date to receive interest due on the relevant interest payment date),
in accordance with the procedures (including prorating in the event of oversubscription) set forth in this Third Supplemental Indenture. To the extent that any portion of the amount of Net Available
Cash remains after compliance with the preceding sentence and provided that all Holders have been given the opportunity to tender their Notes for
repurchase in accordance with this Third Supplemental Indenture, the Company or such Restricted Subsidiary may use such remaining amount of Net Available Cash for any purpose permitted by this Third
Supplemental Indenture, and the amount of Excess Proceeds will be reset to zero. 

40

 

        The
term "Allocable Excess Proceeds" shall mean the product of: 

        (i)    the
Excess Proceeds and 

        (ii)   a
fraction, 

        (A)  the
numerator of which is the aggregate principal amount of the Notes outstanding on the date of the Prepayment Offer, and 

        (B)  the
denominator of which is the sum of the aggregate principal amount of the Notes outstanding on the date of the Prepayment Offer and the aggregate principal amount of
other Debt of the Company outstanding on the date of the Prepayment Offer that is pari passu in right of payment with the Notes and subject to
terms and conditions in respect of Asset Sales similar in all material respects to this covenant and requiring the Company to make an offer to repurchase such Debt at substantially the same time as
the Prepayment Offer. 

        (d)   The
Company shall effect any Prepayment Offer pursuant to and in accordance with Section 3.09. 

Section 4.13.    Limitation on Restrictions on Distributions from Restricted Subsidiaries.  

        (a)   Except
for the restrictions set forth herein or imposed by law, the Company shall not, and shall not permit any Restricted Subsidiary to, directly or indirectly, create
or otherwise cause or suffer to exist any consensual restriction on the right of any Restricted Subsidiary to: 

        (i)    pay
dividends, in cash or otherwise, or make any other distributions on or in respect of its Capital Stock, or pay any Debt or other obligation owed, to the Company or
any other Restricted Subsidiary, 

        (ii)   make
any loans or advances to the Company or any other Restricted Subsidiary, or 

        (iii)  transfer
any of its Property to the Company or any other Restricted Subsidiary. 

41

 

        (b)   The
foregoing limitations shall not apply: 

        (i)    with
respect to clauses (a)(i), (ii) and (iii), to restrictions: 

        (A)  in
effect on the Issue Date (including, without limitation, restrictions pursuant to the Notes, this Third Supplemental Indenture, a Receivables Program and the Credit
Agreement), 

        (B)  relating
to Acquired Indebtedness, or 

        (C)  that
result from the Refinancing of Debt Incurred pursuant to an agreement referred to in clause (i)(A) or (B) above or in
clause (ii)(A) or (B) below, provided that such restrictions are not more restrictive, taken as a whole, with respect to
such dividend and other payment restrictions than those contained in the agreement evidencing the Debt so refinanced (as determined by the Board of Directors in its good faith judgment), and 

        (ii)   with
respect to clause (a)(iii) only, to restrictions: 

        (A)  relating
to Debt that is permitted to be Incurred and secured without also securing the Notes pursuant to the covenants described under Sections 4.09
and 4.11 that limit the right of the debtor to dispose of the Property securing such Debt, 

        (B)  encumbering
Property at the time such Property was acquired by the Company or any Restricted Subsidiary, so long as such restrictions relate solely to the Property so
acquired and were not created in connection with or in anticipation of such acquisition, 

        (C)  resulting
from customary provisions restricting the subletting or assignment of leases or customary provisions in other agreements that restrict the assignment of such
agreements or rights or other non-cash assets thereunder, including, without limitation, customary restrictions imposed on the transfer of copyrighted or patented materials, 

        (D)  customary
restrictions contained in asset sale agreements limiting the transfer of such Property pending the closing of such sale, 

        (E)  contained
in Purchase Money Debt for Property acquired in the ordinary course of business, 

        (F)  included
in customary provisions and agreements with respect to Permitted Joint Ventures, 

        (G)  contained
in any Debt or any agreement pursuant to which such Debt was issued if (i) the encumbrance or restriction applies only upon a payment default or
financial covenant default or event of default contained in such Debt or agreement and (ii) the encumbrance or restriction is not materially more disadvantageous to Holders than is customary in
comparable financings (as determined by the Board of Directors in its good faith judgment), or 

        (H)  resulting
from the application of reasonable and customary borrowing base, net worth and similar covenants set forth in agreements entered into by the Company or a
Restricted Subsidiary in respect of Permitted Debt. 

Section 4.14.    Limitation on Transactions with Affiliates.  

        (a)   The
Company shall not, and shall not permit any Restricted Subsidiary to, directly or indirectly, conduct any business or enter into or suffer to exist any transaction
or series of transactions (including the purchase, sale, transfer, assignment, lease, conveyance or exchange of any Property or the rendering of any service) with, or for the benefit of, any Affiliate
of the Company (an "Affiliate Transaction") if such Affiliate Transaction or series of Affiliate Transactions involves aggregate consideration in
excess of US$5.0 million, unless: 

42

  

        (i)    the
terms of such Affiliate Transaction are: 

        (A)  set
forth in writing, 

        (B)  fair
and reasonable to the Company or such Restricted Subsidiary, as the case may be, and 

        (C)  no
less favorable to the Company or such Restricted Subsidiary, as the case may be, than those that could reasonably be expected to be obtained in a comparable
arm's-length transaction with a Person that is not an Affiliate of the Company, and 

        (ii)   if
such Affiliate Transaction involves aggregate payments or value in excess of US$10.0 million, the Board of Directors (including at least a majority of the
disinterested members of the Board of Directors) approves such Affiliate Transaction and, in its good faith judgment, determines that such Affiliate Transaction complies with
clauses (a)(i)(B) and (C) of this paragraph as evidenced by a Board Resolution promptly delivered to the Trustee. 

        (b)   Notwithstanding
the foregoing limitation, the Company or any Restricted Subsidiary may enter into or suffer to exist the following: 

        (i)    any
transaction or series of transactions between the Company and one or more Restricted Subsidiaries not otherwise prohibited by any provisions of this Third
Supplemental Indenture (excluding, for greater certainty, the provisions described under this Section 4.14) or between two or more Restricted Subsidiaries,  provided that no more than 5% of the
total voting power of the Voting Stock (on a fully diluted basis) of any such Restricted Subsidiary is owned
by an Affiliate of the Company (other than a Restricted Subsidiary); 

        (ii)   any
Restricted Payment permitted to be made pursuant to Section 4.10 or any Permitted Investment; 

        (iii)  any
employment, compensation or indemnification agreement entered into by the Company or a Restricted Subsidiary with an employee, officer or director in the ordinary
course of business and substantially consistent with industry practice that is not otherwise prohibited by this Third Supplemental Indenture; 

        (iv)  any
transaction or series of transactions relating to a Receivables Program; and 

        (v)   agreements
in effect on the Issue Date and described in the Company's Form 20-F for the year ended December 31, 2004 as filed with the
Commission and any modifications, extensions or renewals thereto that are no less favorable, taken as a whole, to the Company or any Restricted Subsidiary than such agreements as in effect on the
Issue Date. 

Section 4.15.    Limitation on Layered Debt.  

        The Company shall not Incur, directly or indirectly, any Debt that is subordinate or junior in right of payment to any Senior Debt unless such Debt is Senior
Subordinated Debt or constitutes Subordinated Obligations. 

Section 4.16.    Designation of Restricted and Unrestricted Subsidiaries.  

        (a)   The
Board of Directors may designate any Subsidiary of the Company to be an Unrestricted Subsidiary if: 

        (i)    either
(A) the Company or a Restricted Subsidiary, as the case may be, is permitted to make an Investment in such Subsidiary equal to the sum of the
(1) Fair Market Value of the Capital Stock of such Subsidiary plus (2) the amount of any Debt owed by such Subsidiary to the Company, in each case pursuant to
Section 4.10(a) or (B) such Investment constitutes a Permitted Investment, 

43

 

        (ii)   immediately
after giving pro forma effect to such designation, the Company could Incur at least US$1.00 of additional Debt pursuant to
Section 4.09(a)(i), and 

        (iii)  such
Subsidiary does not own any Capital Stock or Debt of, or own or hold any Lien on any Property of, the Company or any Restricted Subsidiary. 

        (b)   Notwithstanding
the foregoing, following the Issue Date the Company may designate any Subsidiary of the Company, at or prior to the time it becomes a Subsidiary of the
Company, to be an Unrestricted Subsidiary, and unless designated by the Company as an Unrestricted Subsidiary, any Person that becomes a Subsidiary of the Company will be classified as a Restricted
Subsidiary; provided, however, that such Subsidiary shall not be designated a Restricted Subsidiary and shall be automatically classified as an
Unrestricted Subsidiary if the requirements set forth in clauses (d)(i) and (d)(ii) below will not be satisfied after giving pro forma effect to such classification
or if such Person is a Subsidiary of an Unrestricted Subsidiary. 

        (c)   Except
as provided in clause (b) above, no Restricted Subsidiary may be redesignated as an Unrestricted Subsidiary, and neither the Company nor any
Restricted Subsidiary shall at any time be directly or indirectly liable for any Debt that provides that the holder thereof may (with the passage of time or notice or both) declare a default thereon
or cause the payment thereof to be accelerated or payable prior to its Stated Maturity upon the occurrence of a default with respect to any Debt, Lien or other obligation of any Unrestricted
Subsidiary (including any right to take enforcement action against such Unrestricted Subsidiary). Upon designation of a Restricted Subsidiary as an Unrestricted Subsidiary in compliance with this
covenant, such Restricted Subsidiary shall, by execution and delivery of a supplemental indenture in form satisfactory to the Trustee, be released from any Subsidiary Guarantee previously made by such
Restricted Subsidiary.

        (d)   An
Unrestricted Subsidiary may be redesignated as a Restricted Subsidiary by the Board of Directors or, if the Company's interest in the Fair Market Value of the net
assets of such Subsidiary is less than US$10.0 million, the Company, so long as, immediately after giving pro forma effect to such designation, 

        (i)    the
Company could Incur at least US$1.00 of additional Debt pursuant to Section 4.09(a)(i) and 

        (ii)   no
Default or Event of Default shall have occurred and be continuing or would result therefrom. 

        (e)   Any
such designation or redesignation will be evidenced to the Trustee by filing with the Trustee an Officers' Certificate that: 

        (i)    certifies
that such designation or redesignation complies with the foregoing provisions, and 

        (ii)   gives
the effective date of such designation or redesignation, 

and,
if applicable, a Board Resolution giving effect to such designation or redesignation, such filing with the Trustee to occur within 60 days after the end of the fiscal quarter of the
Company in which such designation or redesignation is made (or, in the case of a designation or redesignation made during the last fiscal quarter of the Company's fiscal year, within
90 days after the end of such fiscal year). 

Section 4.17.    Future Subsidiary Guarantors.  

        (a)   The
Company shall not permit any of its Restricted Subsidiaries, directly or indirectly, to Guarantee the payment, or pledge any of its Property to secure the payment,
of other Debt of the Company (other than Unregistered Senior Debt) unless such Restricted Subsidiary concurrently executes and delivers a supplemental indenture with the Company, the Trustee and the
other Guarantors, if any, party hereto providing for the Guarantee, on a senior subordinated basis, of the payment of principal of, and premium, if any, and interest on the Notes. 

44

 

        (b)   Notwithstanding
clause (a) above, any such Guarantee of the Notes will provide by its terms that it will be automatically and unconditionally released and
discharged: 

        (i)    in
connection with any sale or other disposition of all of the assets of that Guarantor (including by way of merger or consolidation) to a Person that is not (either
before or after giving effect to such transaction) a Restricted Subsidiary of the Company, if the sale or other disposition complies with Section 4.12; or 

        (ii)   in
connection with any sale of all or substantially all of the Capital Stock of a Guarantor to a Person that is not (either before or after giving effect to such
transaction) a Restricted Subsidiary of the Company, if the sale complies with Section 4.12 and such Guarantor ceases to be a Subsidiary of the Company; 

provided, however, that any such release and discharge shall occur only to the extent that all obligations of such Guarantor under all of its Guarantees
of the Company's or its Restricted Subsidiaries' Debt shall also terminate upon such release, sale or transfer and none of such Guarantor's equity interests are pledged for the benefit of any holder
of any such Debt of the Company or its Restricted Subsidiaries. 

Section 4.18.    Repurchase at the Option of Holders Upon a Change of Control Offer.  

        (a)   Upon
the occurrence of a Change of Control, the Company shall be required to make an offer (the "Change of Control
Offer") to each Holder to repurchase all (or, at the option of the Holder, any portion) of the Notes (equal to US$1,000 or an integral multiple thereof) at a purchase
price (the "Change of Control Purchase Price") equal to 101% of the principal amount thereof, plus accrued and unpaid interest, if any, to the
repurchase date (subject to the right of Holders of record on the relevant record date to receive interest due on the relevant interest payment date). 

        (b)   The
Company shall effect any Change of Control Offer pursuant to and in accordance with Section 3.09. 

        (c)   The
Company will not be required to make a Change of Control Offer following a Change of Control if a third party makes the Change of Control Offer in the manner, at the
times and otherwise in compliance with the requirements set forth in this Third Supplemental Indenture applicable to a Change of Control Offer made by the Company and purchases all Notes validly
tendered and not withdrawn under such Change of Control Offer. 

Section 4.19.    Additional Amounts.  

        (a)   Payments
made by the Company under or with respect to the Notes will be made free and clear of and without withholding or deduction for or on account of any present or
future tax, duty, levy, interest, assessment or other governmental charge (including penalties, interest and other liabilities related thereto) imposed or levied by or on behalf of the Government of
Canada or of any province or territory thereof or by any authority or agency therein or thereof having power to tax ("Taxes"), unless the Company is
required to withhold or deduct Taxes under Canadian law or by the interpretation or administration thereof by the relevant taxing authority. If, after the Issue Date, the Company is so required to
withhold or deduct any amount for or on account of Taxes from any payment made under or with respect to the Notes, the Company will pay to each Holder of Notes or to the Paying Agent, such additional
amounts ("Additional Amounts") as may be necessary so that the net amount (including the Additional Amounts) received by such Holders after such
withholding or deduction will not be less than the amount such Holders would have received if such Taxes had not been withheld or deducted and similar payments (the term "Additional Amounts"
shall also include any such similar payments) will also be made by the Company to Holders that are not subject to withholding but are required to pay tax directly on amounts otherwise not subject to
withholding; provided that no Additional Amounts will be payable with respect to a payment made to a Holder in respect of the beneficial owner thereof
(an "Excluded Holder"): 

45

 

        (i)    with
which the Company does not deal at arm's length (within the meaning of the Income Tax Act (Canada)) at the time of making such payment, 

        (ii)   which
is subject to such Taxes by reason of its being connected with Canada or any province or territory thereof otherwise than by the mere holding of the Notes,
receipt of payments thereunder or enforcement of its rights in respect thereof, 

        (iii)  to
the extent that such Holder is subject to such Taxes by reason of such Holder's failure to comply with any certification, identification, documentation or other
reporting requirements if compliance is required by law, regulation, administrative practice or an applicable treaty as a precondition to exemption from, or a reduction in the rate of deduction or
withholding of, such Taxes but only to the extent that such Holder is legally able to comply with such requirements, 

        (iv)  in
circumstances where presentation of the Notes for payment is required, if the Notes are presented for payment more than 15 days after the date on which such
payment became due and payable or the date on which such payment is duly provided for, whichever is later (except to the extent that the holder would have been entitled to such Additional Amounts had
the Notes been presented on the last day of such 15-day period), or 

        (v)   that
is a fiduciary, a partnership or a person other than the beneficial owner of any payment on a Note, if and to the extent that, as a result of an applicable tax
treaty, no Additional Amounts would have been payable had the applicable beneficiary, partner or beneficial owner owned the Notes directly (but only if there is no material cost or expense
associated with transferring such Notes to such beneficiary, partner or beneficial owner and no restriction on such transfer that it outside the control of such beneficiary, partner or beneficial
owner). 

        (b)   The
Company shall: 

        (i)    make
such withholding or deduction, and 

        (ii)   remit
the full amount deducted or withheld to the relevant authority in accordance with applicable law. 

        (c)   The
Company furnish to the Trustee, or cause to be furnished to the Trustee, promptly after the payment of any Taxes becomes due pursuant to applicable law, copies of
tax receipts evidencing such payment by the Company in such form as is provided in the normal course by the taxing authority imposing such Taxes and which is reasonably available to the Company. 

        (d)   The
Company shall indemnify and hold harmless each Holder of Notes that are outstanding on the date of the required payment (other than an Excluded Holder) and upon
written request reimburse each such Holder for the amount of: 

        (i)    any
Taxes so levied or imposed and paid by such Holder as a result of payments made under or with respect to the Notes, 

        (ii)   any
expenses arising therefrom or with respect thereto, and 

        (iii)  any
Taxes imposed with respect to any reimbursement under clause (i) above. 

        (e)   If
the Company becomes obligated to pay Additional Amounts with respect to any payment under or in respect of the Notes, at least 30 days prior to the date on
which such payment becomes due and payable (unless such obligations arise after such date), the Company will deliver to the Trustee an Officers' Certificate stating the fact that such Additional
Amounts will be payable, and setting forth the amounts so payable, including Additional Amounts, and such other information as is necessary to enable the Trustee to pay such Additional Amounts to the
Holders on the payment date. For purposes of this Third Supplemental Indenture any reference to: 

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        (i)    the
payment of principal (and premium, if any), 

        (ii)   purchase
prices in connection with a repurchase or redemption of Notes, 

        (iii)  interest,
or 

        (iv)  any
other amount payable on or with respect to any of the Notes (including in connection with a Change of Control Offer or Prepayment Offer), 

shall
be deemed to include the payment of Additional Amounts provided for in this Section 4.19 to the extent that, in such context, Additional Amounts are, were or would be payable in
respect thereof. 

        (f)    This
Section 4.19 shall survive any termination, defeasance, Covenant Defeasance or discharge of this Third Supplemental Indenture and shall survive the repayment
of all or any of the Notes. 

        (g)   The
indemnity requirements set forth in Section 6.07 of the Base Indenture shall be applicable to any actions taken or omitted to be taken by the Trustee in
reliance on an Officers' Certificate delivered pursuant to this Section 4.19. 

Section 4.20.    Covenant Termination.  

        The provisions of Article 4 shall be applicable to the Company and the Restricted Subsidiaries unless the Company reaches Investment Grade Status. After
the Company has reached Investment Grade Status, and notwithstanding that the Company may later cease to have an Investment Grade Rating from either or both of the Rating Agencies, the Company and the
Restricted Subsidiaries will be released automatically and without any action on the part of the Company from their obligations to comply with Sections 4.09, 4.10, 4.12, 4.13, 4.14,
4.16(d)(i) (and such clause (d)(i) as referred to in Section 4.16(a)), 4.17 and Section 5.01(a)(iv). 

ARTICLE 5.  

 SUCCESSORS  

        This Article 5 shall replace and supersede Article 8 of the Base Indenture in its entirety, solely with respect to the Notes. 

Section 5.01.    Merger, Consolidation and Sale of Assets.  

        (a)   The
Company shall not effect an arrangement or merge, consolidate or amalgamate with or into any other Person (other than a merger or amalgamation of a Wholly Owned
Restricted Subsidiary with or into the Company) or sell, transfer, assign, lease, convey or otherwise dispose of all or substantially all its Property in any one transaction or series of transactions
unless: 

        (i)    the
Company shall be the Surviving Person in such arrangement, merger, consolidation or amalgamation, or the Surviving Person (if other than the Company) formed
by such arrangement, merger, consolidation or amalgamation or to which such sale, transfer, assignment, lease, conveyance or disposition is made shall be a corporation organized and existing under the
laws of Canada or any province or territory thereof or the United States of America, any State thereof or the District of Columbia; 

        (ii)   the
Surviving Person (if other than the Company) expressly assumes, by supplemental indenture in form reasonably satisfactory to the Trustee, executed and
delivered to the Trustee by such Surviving Person, the due and punctual payment of the principal of, and premium, if any, and interest on, all the Notes, according to their tenor, and the due and
punctual performance and observance of all the covenants and conditions of this Third Supplemental Indenture to be performed by the Company; 

        (iii)  immediately
before and after giving effect to such transaction or series of transactions on a pro forma basis
(and treating, for purposes of this clause (iii) and clause (iv) below, any Debt that becomes, or is anticipated to become, an obligation of the Surviving Person or any
Restricted Subsidiary as a result of such transaction or series of transactions as having been Incurred by the Surviving Person or such Restricted Subsidiary at the time of such transaction or series
of transactions), no Default or Event of Default shall have occurred and be continuing; 

47

 

        (iv)  other
than in the case of any merger, amalgamation, consolidation, sale, transfer, assignment, lease, conveyance or other disposal between or among the Company and its
Wholly Owned Restricted Subsidiaries, immediately after giving effect to such transaction or series of transactions on a pro forma basis, the
Company or the Surviving Person, as the case may be, would be able to Incur at least US$1.00 of additional Debt under Section 4.09(a)(i); and 

        (v)   the
Company shall deliver, or cause to be delivered, to the Trustee, in form and substance reasonably satisfactory to the Trustee, an Officers' Certificate and an
Opinion of Counsel, each stating that such transaction or series of transactions and the supplemental indenture, if any, with respect thereto comply with this covenant and that all conditions
precedent herein provided for relating to such transaction or series of transactions have been satisfied, including, where a supplemental indenture is required, receipt of Opinions of Counsel pursuant
to Section 8.01(2). 

Section 5.02.    Successor Corporation Substituted.  

        Upon any transaction or series of transactions not prohibited under Section 5.01, the Surviving Person shall succeed to, and be substituted for and may
exercise every right and power of the Company under this Third Supplemental Indenture; provided that the predecessor company in the case of: 

        (a)   a
sale, transfer, assignment, conveyance or other disposition of all or substantially all of its Property (unless such sale, transfer, assignment, conveyance or other
disposition is of all the Property of the Company as an entirety or virtually as an entirety), or 

        (b)   a
lease, 

shall
not be released from any of the obligations or covenants under this Third Supplemental Indenture, including with respect to the payment of the Notes. 

ARTICLE 6.  

 DEFAULTS AND REMEDIES  

        This Article 6 shall replace and supersede Article 5 of the Base Indenture in its entirety, solely with respect to the Notes. 

Section 6.01.    Events of Default.  

        Each of the following constitutes an "Event of Default" with respect to the Notes: 

        (a)   failure
to make the payment of any interest on the Notes when the same becomes due and payable, and such failure continues for a period of 30 days; 

        (b)   failure
to make the payment of any principal of, or premium, if any, on, any of the Notes when the same becomes due and payable at its Stated Maturity, upon
acceleration, redemption, optional redemption, required repurchase or otherwise; 

        (c)   failure
to comply with the covenants described under Sections 4.09, 4.10, 4.12, 4.18 and 5.01 and such failure continues for 30 days after
written notice is given to the Company as provided below; provided, that, in accordance with Section 4.20, upon the Company reaching Investment
Grade Status, this clause (c) shall cease to be effective with respect to Sections 4.09, 4.10, 4.12 and 5.01(a)(iv); 

48

 

        (d)   failure
to comply with any other covenant or agreement in the Notes or in this Third Supplemental Indenture (other than a failure that is the subject of the foregoing
clause (a), (b) or (c)), and such failure continues for 60 days after written notice is given to the Company as provided below;  provided, that, in accordance with
Section 4.20, upon the Company reaching Investment Grade Status, this clause (d) shall cease to
be effective with respect to Sections 4.13, 4.14, 4.16(d)(i) and 4.17; 

        (e)   a
default under any Debt by the Company or any Restricted Subsidiary (other than any Debt of the Company owed to any Wholly Owned Restricted Subsidiary or any Debt of
any Restricted Subsidiary owed to the Company or any Wholly Owned Restricted Subsidiary) that results in acceleration of the maturity of such Debt, or failure to pay any such Debt at maturity, in an
aggregate amount greater than US$50.0 million or its foreign currency equivalent at the time; 

        (f)    any
judgment or judgments for the payment of money in an aggregate amount in excess of US$25.0 million (or its foreign currency equivalent at the time)
that shall be rendered against the Company or any Restricted Subsidiary and that shall not be waived, satisfied, discharged or acknowledged by a third party insurer to be its exclusive liability for
any period of 60 consecutive days during which a stay of enforcement shall not be in effect; 

        (g)   the
Company or any of its Significant Subsidiaries or any group of Subsidiaries that, when taken together, would constitute a Significant Subsidiary pursuant to or
within the meaning of any Bankruptcy Law: 

        (A)  commences
a voluntary case or gives notice of intention to make a proposal under any Bankruptcy Law; 

        (B)  consents
to the entry of an order for relief against it in an involuntary case or consents to its dissolution or winding-up (other than the dissolution or
winding-up of a Significant Subsidiary due to requirements under applicable corporate law); 

        (C)  consents
to the appointment of a receiver, interim receiver, receiver and manager, liquidator, trustee or custodian of it or for all or substantially all of its
property; 

        (D)  makes
a general assignment for the benefit of its creditors; or 

        (E)  admits
in writing its inability to pay its debts as they become due or otherwise admits its insolvency; or 

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

        (A)  is
for relief against the Company or any of its Significant Subsidiaries or any group of Subsidiaries that, when taken together, would constitute a Significant
Subsidiary in an involuntary case; or 

        (B)  appoints
a receiver, interim receiver, receiver and manager, liquidator, trustee or custodian of the Company or any of its Significant Subsidiaries or any group of
Subsidiaries that, when taken together, would constitute a Significant Subsidiary or for all or substantially all of the property of the Company or any of its Significant Subsidiaries or any group of
Subsidiaries that, when taken together, would constitute a Significant Subsidiary; or 

49

 

        (C)  orders
the liquidation of the Company or any of its Significant Subsidiaries or any group of Subsidiaries that, when taken together, would constitute a Significant
Subsidiary; 

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

        The
Company shall deliver to the Trustee, within 30 days after the occurrence thereof, written notice in the form of an Officers' Certificate of any Event of Default, its status
and what action the Company is taking or proposes to take with respect thereto. 

Section 6.02.    Acceleration.  

        If any Event of Default (other than those set forth in Section 6.01(g) or (h)) occurs and is continuing, the Trustee may, and the
Trustee upon the request of Holders of 25% in principal amount of the outstanding Notes shall, or the Holders of at least 25% in principal amount of outstanding Notes may, declare the principal of all
the Notes, together with all accrued and unpaid interest, premium, if any, to be due and payable by notice in writing to the Company and the Trustee (if such notice is given by Holders)
specifying the respective Event of Default and that such notice is a notice of acceleration (the "Acceleration Notice"), and the same shall
become immediately due and payable to the date of acceleration. Notwithstanding the foregoing, a Default under clause (d) shall not constitute an Event of Default until the Trustee or
the Holders of not less than 25% in aggregate principal amount of the Notes then outstanding notify the Company of the
Default and the Company does not cure such Default within the time specified after receipt of such notice. Such notice must specify the Default, demand that it be remedied and state that such notice
is a "Notice of Default." 

        In
the case of an Event of Default specified in Section (g) or (h) of Section 6.01 hereof, all outstanding Notes shall become due and payable
immediately without any further declaration or other act on the part of the Trustee or the Holders. Holders may not enforce this Third Supplemental Indenture or the Notes except as provided in this
Third Supplemental Indenture. 

Section 6.03.    Other Remedies.  

        If an Event of Default occurs and is continuing, the Trustee may pursue any available remedy to collect the payment of principal, premium, if any, and interest on
the Notes or to enforce the performance of any provision of the Notes or this Third Supplemental Indenture. 

        The
Trustee may maintain a proceeding even if it does not possess any of the Notes or does not produce any of them in the proceeding. A delay or omission by the Trustee or any Holder in
exercising any right or remedy accruing upon an Event of Default shall not impair the right or remedy of the Trustee or the Holders or constitute a waiver of or acquiescence in the Event of Default.
All rights and remedies of the Trustee and the Holders shall be cumulative to the extent permitted by law. 

Section 6.04.    Waiver of Defaults.  

        (a)   The
Holders of at least a majority in aggregate principal amount of the Notes then outstanding by notice to the Trustee may, on behalf of the Holders of all of the
Notes, waive any existing Default or Event of Default or compliance with any provisions of this Third Supplemental Indenture and the Note, and its consequences, except a continuing Default or Event of
Default (i) in the payment of the principal of, premium, if any, or interest, on the Notes and (ii) in respect of a covenant or provision which under this Third Supplemental Indenture
cannot be modified or amended without the consent of either the Holder of each Note affected by such modification or amendment or Holders of at least 75% in aggregate principal amount of the Notes
then outstanding. 

        (b)   Upon
any waiver of a Default or Event of Default, such Default shall cease to exist, and any Event of Default arising therefrom shall be deemed cured for every purpose
of this Third Supplemental Indenture but no such waiver shall extend to any subsequent or other Default or Event of Default or impair any right consequent thereon. 

50

 

Section 6.05.    Control by Majority.  

        Subject to Section 6.01, Section 6.03(5) (including the Trustee's receipt of the security or indemnification described therein) and
Section 6.07 of the Base Indenture, in case an Event of Default shall occur and be continuing, the Holders of a majority in aggregate principal amount of the Notes then outstanding shall have
the right to direct the time, method and place of conducting any proceeding for any remedy available to the Trustee or exercising any trust or power conferred on the Trustee with respect to the Notes
provided that (i) such direction shall not be in conflict with any rule of law or with this Third Supplemental Indenture, expose the Trustee to personal liability, or be unduly prejudicial to
Holders not joining therein and (ii) the Trustee may take any other action deemed proper by the Trustee which is not inconsistent with such direction. 

Section 6.06.    Limitation on Suits.  

        No Holder shall have any right to institute any proceeding with respect to this Third Supplemental Indenture, or for the appointment of a receiver or trustee, or
for any remedy thereunder, unless: 

        (a)   such
Holder has previously given to the Trustee written notice of a continuing Event of Default or the Trustee receives the notice from the Company, 

        (b)   Holders
of at least 25% in aggregate principal amount of the Notes then outstanding have made written request and offered reasonable indemnity to the Trustee to
institute such proceeding in its own name as trustee, 

        (c)   the
Trustee shall not have received from the Holders of a majority in aggregate principal amount of the Notes then outstanding a direction inconsistent with such request
and shall have failed to institute such proceeding within 60 days. 

        The
preceding limitations shall not apply to a suit instituted by a Holder for enforcement of payment of principal of, and premium, if any, or interest on, a Note on or after the
respective due dates for such payments set forth in such Note. 

        A
Holder may not use this Third Supplemental Indenture to affect, disturb or prejudice the rights of another Holder or to obtain a preference or priority over another Holder or to
enforce any right under this Third Supplemental Indenture, except in the manner herein provided and for the equal and ratable benefit for all of the Holders. 

Section 6.07.    Rights of Holders to Receive Payment.  

        Notwithstanding any other provision of this Third Supplemental Indenture (including Section 6.06), the right of any Holder to receive payment of principal,
premium, if any, and interest on the Notes held by such Holder, on or after the respective due dates expressed in the Notes (including in connection with an Offer to Purchase), or to bring suit for
the enforcement of any such payment on or after such respective dates, shall not be impaired or affected without the consent of such Holder. 

Section 6.08.    Collection Suit by Trustee.  

        If an Event of Default specified in Section 6.01 hereof occurs and is continuing, the Trustee is authorized to recover judgment in its own name and as
trustee of an express trust against the Company for the whole amount of principal of, premium, if any, and interest then due and owing (together with interest on overdue principal and, to the extent
lawful, interest) and such further amount as shall be sufficient to cover the costs and expenses of collection, and the reasonable compensation, expenses, disbursements and advances of the Trustee,
its agents and counsel and any other amounts due under Section 6.07 of the Base Indenture. 

        If
an Event of Default with respect to Notes occurs and is continuing, the Trustee may in its discretion proceed to protect and enforce its rights and the rights of the Holders by such
appropriate judicial proceedings as the Trustee shall deem most effectual to protect and enforce any such rights, whether for the specific enforcement of any covenant or agreement in this Third
Supplemental Indenture or in aid of the exercise of any power granted herein, or to enforce any other proper remedy. 

51

 

Section 6.09.    Trustee May File Proofs of Claim.  

        The Trustee (irrespective of whether the principal of the Notes shall then be due and payable as therein expressed or by declaration or otherwise and irrespective
of whether the Trustee shall have made any demand on the Company for the payment of overdue principal or interest) shall be entitled and empowered to file such proofs of claim for the whole amount of
principal (and premium, if any and accrued and unpaid interest with respect to the Notes) and other papers or documents as may be necessary or advisable in order to have the claims of the
Trustee (including any claim for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel) and the Holders allowed in any judicial proceedings relative
to the Company (or any other obligor upon the Notes), its creditors or its property and shall be entitled and empowered to collect, receive and distribute any money or other property payable or
deliverable on any such claims and any custodian in any such judicial proceeding is hereby authorized by each Holder to make such payments to the Trustee, and in the event that the Trustee shall
consent to the making of such payments directly to the Holders, to pay to the Trustee any amount due to it for the reasonable compensation, expenses, disbursements and advances of the Trustee, its
agents and counsel, and any other amounts due the Trustee under Section 6.07 of the Base Indenture. To the extent that the payment of any such compensation, expenses, disbursements and advances
of the Trustee and its agents and counsel, and any other amounts due the Trustee under Section 6.07 of the Base Indenture made out of the estate in any such proceeding, shall be denied for any
reason, payment of the same shall be secured by a Lien on, and shall be paid out of, any and all distributions, moneys, securities and any other properties that the Holders may be entitled to receive
in such proceeding whether in liquidation or under any plan of reorganization or arrangement or otherwise. Nothing herein contained shall be deemed to authorize the Trustee to authorize or consent to
or accept or adopt on behalf of any Holder any plan of reorganization, arrangement, adjustment or composition affecting the Notes or the rights of any Holder, or to authorize the Trustee to vote in
respect of the claim of any Holder in any such proceeding. 

Section 6.10.    Priorities.  

        If the Trustee collects any money pursuant to this Article 6, it shall pay out the money in the following order: 

        First:    to the Trustee, its agents and attorneys for amounts due under Section 6.07 of the Base Indenture, including
payment of all compensation, expenses and liabilities incurred, and all advances made, by the Trustee and the costs and expenses of collection; 

        Second:    subject to the terms of Article 10, to Holders for amounts due and unpaid on the Notes for principal,
premium, if any, and interest ratably, without preference or priority of any kind, according to the amounts due and payable on the Notes for principal, premium, if any, and interest, respectively; and 

        Third:    to the Company or to such party as a court of competent jurisdiction shall direct. 

        The
Trustee, upon prior notice to the Company; may fix a record date and payment date for any payment to Holders pursuant to this Section 6.10. 

Section 6.11.    Undertaking for Costs.  

        In any suit for the enforcement of any right or remedy under this Third Supplemental Indenture or in any suit against the Trustee for any action taken or omitted
by it as a Trustee, a court in its discretion may require the filing by any party litigant in such suit of an undertaking to pay the costs of such suit, and the court in its discretion may assess
reasonable costs, including reasonable attorneys' fees, against any party litigant in such suit, having due regard to the merits and good faith of the claims or defenses made by the party litigant.
This Section 6.11 shall not apply to a suit by the Trustee, a suit by the Company, a suit by a Holder pursuant to Section 6.07 hereof, or a suit by Holders of more than 10% in
principal amount of the then outstanding Notes. 

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   Section 6.12.    Restorations of Rights and Remedies.  

        If the Trustee or any Holder has instituted any proceeding to enforce any right or remedy under this Third Supplemental Indenture and such proceeding has been
discontinued or abandoned for any reason, or has been determined adversely to the Trustee or to such Holder, then and in every such case, subject to any determination in such proceeding, the Company,
the Trustee and the Holders shall be restored severally and respectively to their former positions hereunder and thereafter all rights and remedies of the Trustee and the Holders shall continue as
though such proceeding had not been instituted. 

Section 6.13.    Delay or Omission Not Waiver.  

        No delay or omission of the Trustee or of any Holder to exercise any right or remedy accruing upon any Event of Default shall impair any such right or remedy or
constitute a waiver of any such Event of Default or an acquiescence therein. Every right and remedy given by this Article 6 or by law to the Trustee or to the Holders may be exercised
from time to time, and as often as may be deemed expedient, by the Trustee or by the Holders, as the case may be. 

ARTICLE 7.  

 LEGAL DEFEASANCE AND COVENANT DEFEASANCE  

        This Article 7 shall replace and supersede Article 14 of the Base Indenture in its entirety, solely with respect to the Notes. 

Section 7.01.    Option to Effect Legal Defeasance or Covenant Defeasance.  

        The Company may, at its option and at any time, elect to have either Section 7.02 or 7.03 hereof be applied to all outstanding Notes upon compliance
with the conditions set forth in this Article 7 and, to the extent applicable, Sections 9.02 and 9.03. 

Section 7.02.    Legal Defeasance and Discharge.  

        Upon the Company's exercise under Section 7.01 of the option applicable to this Section 7.02, the Company shall, subject to the satisfaction of the
conditions set forth in Section 7.04, be deemed to have been discharged from its obligations with respect to all outstanding Notes on the date the conditions set forth below are satisfied
(hereinafter, "Legal Defeasance"). For this purpose, Legal Defeasance means that the Company shall be deemed to have paid and
discharged the entire Debt represented by the outstanding Notes, which shall thereafter be deemed to be "outstanding" only for the purposes of Section 7.05 and the other Sections of this
Third Supplemental Indenture referred to in (a) and (b) below, and to have satisfied all its other obligations under the Notes and this Third Supplemental Indenture (and the
Trustee, on demand of and at the expense of the Company, shall execute proper instruments acknowledging the same), except for the following provisions which shall survive until otherwise terminated or
discharged hereunder: (a) the rights of Holders of outstanding Notes to receive solely from the trust fund described in Section 7.04, and as more fully set forth in such Section,
payments in respect of the principal of, premium, if any, or interest on such Notes when such payments are due, (b) the Company's obligations with respect to such Notes under Article 2
and Sections 4.01, 4.02 and 4.19, (c) the rights, powers, trusts, duties and immunities of the Trustee hereunder and the Company's obligations in connection therewith including
the Company's obligations under Section 6.07 of the Base Indenture and (d) this Article 7. If the Company exercises under Section 7.01 the option applicable to this
Section 7.02, subject to the satisfaction of the conditions set forth in Section 7.04, payment of the Notes may not be accelerated because of an Event of Default. Subject to compliance
with this Article 7, the Company may exercise its option under this Section 7.02 notwithstanding the prior exercise of its option under Section 7.03. 

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Section 7.03.    Covenant Defeasance.  

        Upon the Company's exercise under Section 7.01 of the option applicable to this Section 7.03, the Company shall, subject to the satisfaction of the
conditions set forth in Section 7.04, be released from its obligations under the covenants contained in Sections 4.06, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15 and
4.17 hereof, and the operation of Section 5.01(a)(iv), with respect to the outstanding Notes on and after the date the conditions set forth in Section 7.04 are satisfied
(hereinafter, "Covenant Defeasance") and the Notes shall thereafter be deemed not "outstanding" for the
purposes of any direction, waiver, consent or declaration or act of Holders (and the consequences of any thereof) in connection with such covenants, but shall continue to be deemed
"outstanding" for all other purposes hereunder (it being understood that such Notes shall not be deemed outstanding for accounting purposes). For this purpose, Covenant Defeasance means that,
with respect to the outstanding Notes, the Company may omit to comply with and shall have no liability in respect of any term, condition or limitation set forth in any such covenant, whether directly
or indirectly, by reason of any reference elsewhere herein to any such covenant or by reason of any reference in any such covenant to any other provision herein or in any other document and such
omission to comply shall not constitute a Default or an Event of Default under Section 6.01, but, except as specified above, the remainder of this Third Supplemental Indenture and such Notes
shall be unaffected thereby. If the Company exercises under Section 7.01 the option applicable to this Section 7.03, subject to the satisfaction of the conditions set forth in
Section 7.04, payment of the Notes may not be accelerated because of an Event of Default specified in Section 7.04 (d) (with respect to Sections 4.06, 4.08, 4.09, 4.10,
4.11, 4.12, 4.13, 4.14, 4.15 and 4.17), (e), (f) or (g) (with respect only to Significant Subsidiaries) under Section 6.01 or because of the failure of the
Company to comply with clause (a)(iv) under Section 5.01. 

Section 7.04.    Conditions to Legal or Covenant Defeasance.  

        The following shall be the conditions to the application of either Section 7.02 or 7.03 to the outstanding Notes. 

        The
Legal Defeasance or Covenant Defeasance may be exercised only if: 

        (a)   the
Company irrevocably deposits in trust with the Trustee money or U.S. Government Obligations for the payment of principal of, premium, if any, and interest on
the Notes to maturity or redemption, as the case may be; 

        (b)   the
Company delivers to the Trustee a certificate from a nationally recognized firm of independent certified public accountants expressing their opinion that the
payments of principal, premium, if any, and interest when due and without reinvestment on the deposited U.S. Government Obligations plus any deposited money without investment will provide cash
at such times and in such amounts as will be sufficient to pay principal, premium, if any, and interest when due on all the Notes to be defeased to maturity or redemption, as the case may be; 

        (c)   123 days
pass after the deposit is made, and during the 123-day period, no Default described in clause (g) or (h) under
Section 6.01 occurs with respect to the Company or any other Person making such deposit which is continuing at the end of the period; 

        (d)   no
Default or Event of Default has occurred and is continuing on the date of such deposit and after giving effect thereto; 

        (e)   such
deposit does not constitute a default under any other agreement or instrument binding on the Company; 

        (f)    the
Company delivers to the Trustee an Opinion of Counsel to the effect that the trust resulting from the deposit does not constitute, or is qualified as, a regulated
investment company under the Investment Company Act of 1940; 

        (g)   in
the case of Legal Defeasance, the Company delivers to the Trustee an Opinion of Counsel stating that: 

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        (1)   the
Company has received from the Internal Revenue Service a ruling, or 

        (2)   subsequent
to the Issue Date, there has been a change in the applicable Federal income tax law, to the effect, in either case, that, and based thereon such Opinion of
Counsel shall confirm that, the Holders will not recognize income, gain or loss for U.S. Federal income tax purposes as a result of such Legal Defeasance and will be subject to
U.S. Federal income tax on the same amounts, in the same manner and at the same time as would have been the case if such Legal Defeasance had not occurred; 

        (h)   in
the case of Covenant Defeasance, the Company delivers to the Trustee an Opinion of Counsel to the effect that the Holders will not recognize income, gain or loss for
U.S. 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; 

        (i)    in
the case of either Legal Defeasance or Covenant Defeasance, the Company delivers to the Trustee an Opinion of Counsel of Canadian counsel to the effect that Holders
will not recognize income, gain or loss for Canadian tax purposes as a result of such deposit and defeasance and will be subject to Canadian Federal, territorial and provincial taxes (including
withholding taxes) on the same amounts, in the same manner and at the same times as would have been the case if such deposit and defeasance had not occurred; and 

        (j)    the
Company delivers to the Trustee an Officers' Certificate and an Opinion of Counsel, each stating that all conditions precedent to the defeasance and discharge of the
Notes have been complied with as required by this Third Supplemental Indenture. 

ARTICLE 8.  

 AMENDMENT, SUPPLEMENT AND WAIVER  

        This Article 8 shall replace and supersede Article 9 of the Base Indenture in its entirety, solely with respect to the Notes. 

Section 8.01.    Without Consent of Holders of Notes.  

        Notwithstanding Section 8.02 of this Third Supplemental Indenture, the Company (when authorized by a Board Resolution) and the Trustee may amend or
supplement this Third Supplemental Indenture or the Notes without the consent of any Holder to: 

        (1)   cure
any ambiguity, omission, defect or inconsistency in any manner that is not adverse in any material respect to any Holder, 

        (2)   provide
for the assumption by a Surviving Person of the obligations of the Company under this Third Supplemental Indenture,  provided, that the Company delivers to the Trustee: (a) an Opinion of Counsel to
the effect that Holders will not recognize income, gain or loss
for U.S. Federal income tax purposes as a result of such assumption by the Surviving
Person and will be subject to U.S. Federal income tax on the same amount and in the same manner and at the same times as would have been the case if such assumption had not occurred, and
(b) an Opinion of Counsel of Canadian counsel to the effect that Holders will not recognize income, gain or loss for Canadian federal, provincial and territorial tax purposes as a result of
such assumption by the Surviving Person and will be subject to Canadian federal, provincial and territorial taxes (including withholding taxes) on the same amounts, in the same manner and at the same
times as would have been the case if such assumption had not occurred, 

55

 

        (3)   provide
for uncertificated Notes in addition to or in place of certificated Notes (provided that the uncertificated Notes
are issued in registered form for purposes of Section 163(f) of the Code, or in a manner such that the uncertificated Notes are described in Section 163(f)(2)(B) of the
Code), 

        (4)   add
Guarantees with respect to the Notes, 

        (5)   secure
the Notes, add to the covenants of the Company for the benefit of the Holders or surrender any right or power conferred upon the Company, 

        (6)   make
any change that does not adversely affect the rights of any Holder, 

        (7)   make
any change to the subordination provisions of this Third Supplemental Indenture that would limit or terminate the benefits available to any holder of Senior Debt
under such provisions, 

        (8)   comply
with any requirement of the Commission in connection with the qualification of this Third Supplemental Indenture under the TIA, or 

        (9)   provide
for the issuance of Additional Notes in accordance with this Third Supplemental Indenture. 

Section 8.02.    With Consent of Holders of Notes.  

        The Company and the Trustee with the consent of the holders of at least a majority in aggregate principal amount of the Notes then outstanding (including consents
obtained in connection with a tender offer or exchange offer for the Notes) may amend this Third Supplemental Indenture and the Notes, and the holders of at least a majority in aggregate principal
amount of the Notes outstanding may waive any past default or compliance with any provisions of this Third Supplemental Indenture and the Notes (except a default in the payment of principal, premium,
interest, and certain covenants and provisions of this Third Supplemental Indenture which cannot be amended without the consent of each holder of an outstanding Note). However, without the consent of
each affected holder of an outstanding Note, no amendment may, 

        (1)   reduce
the amount of Notes whose holders must consent to an amendment or waiver, 

        (2)   reduce
the rate of, or extend the time for payment of, interest on any Note, 

        (3)   reduce
the principal of, or extend the Stated Maturity of, any Note, 

        (4)   make
any Note payable in money other than that stated in the Note, 

        (5)   impair
the right of any Holder to receive payment of principal of, premium, if any, and interest on, such Holder's Notes on or after the due dates therefor or to
institute suit for the enforcement of any payment on or with respect to such Holder's Notes, 

        (6)   release
any security interest that may have been granted in favor of the Holders other than pursuant to the terms of such security interest, 

        (7)   reduce
the premium payable upon the redemption of any Note or change the time at which any Note may be redeemed, as described under Section 3.07, 

        (8)   reduce
the premium payable pursuant to a Change of Control Offer or, at any time after a Change of Control has occurred, change the time at which the Change of Control
Offer relating thereto must be made or at which the Notes must be repurchased pursuant to such Change of Control Offer; provided, that, prior to the
occurrence of a Change of Control, the holders of a majority in aggregate principal amount of the Notes then outstanding may waive the requirement to complete a Change of Control Offer or otherwise
change such requirements other than to reduce the premium payable pursuant to a Change of Control Offer, 

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        (9)   at
any time after the Company is obligated to make a Prepayment Offer in respect of Excess Proceeds from Asset Sales, change the time at which such Prepayment Offer must
be made or at which the Notes must be repurchased pursuant thereto, or 

        (10) amend
or modify the provisions described under Section 4.19. 

        In
addition, any amendment to the subordination provisions of this Third Supplemental Indenture that would adversely affect the rights of Holders will require the consent of holders of
at least 75% in aggregate principal amount of the Notes then outstanding. 

        The
Company may, but shall not be obligated to, fix a record date for the purpose of determining the Persons entitled to consent to any amendment or supplemental indenture. If a record
date is fixed, the Holders on such record date, or their duly designated proxies, and only such Persons, shall be entitled to consent to such amendment or supplemental indenture, whether or not such
Holders remain Holders after such record date; provided that unless such consent shall have become effective by virtue of the requisite percentage
having been obtained prior to the date which is 120 days after such record date, any such consent previously given shall automatically and without further action by any Holder be cancelled and
of no further effect. 

        It
shall not be necessary for the consent of the Holders under this Section 8.02 to approve the particular form of any proposed amendment or waiver, but it shall be
sufficient if such consent approves the substance thereof. 

        After
an amendment, supplement or waiver under this Section 8.02 becomes effective, the Company shall mail to the Holder of each Note affected thereby to such Holder's address
appearing in the Security Register a notice briefly describing the amendment, supplement or waiver. Any failure of the Company to mail such notice, or any defect therein, shall not, however, in any
way impair or affect the validity of any such amended or supplemental indenture or waiver. 

Section 8.03.    Execution of Supplemental Indentures.  

        In executing, or accepting the additional trusts created by, any supplemental indenture permitted by this Article or the modifications thereby of the trusts
created by this Third Supplemental Indenture, the Trustee shall be entitled to receive, and shall be fully protected in relying upon, an Opinion of Counsel stating that the execution of such
supplemental indenture is authorized or permitted by this Third Supplemental Indenture. The Trustee may, but shall not be obligated to, enter into any such supplemental indenture which affects the
Trustee's own rights, duties or immunities under this Third Supplemental Indenture or otherwise. 

Section 8.04.    Effect of Supplemental Indentures.  

        Upon the execution of any supplemental indenture under this Article, this Third Supplemental Indenture shall be modified in accordance therewith, and such
supplemental indenture shall form a part of this Third Supplemental Indenture for all purposes, and every Holder theretofore or thereafter authenticated and delivered hereunder and of any
coupons appertaining thereto shall be bound thereby. 

Section 8.05.    Compliance with Trust Indenture Act.  

        Every amendment or supplement to this Third Supplemental Indenture or the Notes shall be set forth in an amended or supplemental indenture that complies with the
TIA as then in effect. 

Section 8.06.    Revocation and Effect of Consents.  

        Until an amendment, supplement or waiver becomes effective, a consent to it by a Holder is a continuing consent by the Holder of a Note and every subsequent
Holder of a Note or portion thereof that evidences the same debt as the consenting Holder's Note, even if notation of the consent is not made on any Note. However, any such Holder or subsequent Holder
may revoke the consent as to its Note or portion thereof if the Trustee receives written notice of revocation before the date the waiver, supplement or amendment becomes effective. An amendment,
supplement or waiver shall become effective in accordance with its terms and thereafter shall bind every Holder. 

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Section 8.07.    Notation on or Exchange of Notes.  

        The Trustee may place an appropriate notation about an amendment, supplement or waiver on any Note thereafter authenticated. The Company in exchange for all Notes
may issue and, upon receipt of an Authentication Order in accordance with Section 2.02 hereof, the Trustee shall authenticate new Notes that reflect the amendment, supplement or waiver. 

        Failure
to make the appropriate notation or issue a new Note shall not affect the validity and effect of such amendment, supplement or waiver. 

Section 8.08.    Trustee to Sign Amendments, etc.  

        The Trustee shall sign any amended or supplemental indenture authorized pursuant to this Article 8 if the amendment or supplement does not adversely affect
the rights, duties, liabilities or immunities of the Trustee. The Company may not sign an amendment or supplemental indenture until its Board of Directors approves the same. In executing any amended
or supplemental indenture, the Trustee shall be entitled to receive and (subject to Section 6.01 of the Base Indenture) shall be fully protected in relying upon an Officers' Certificate and an
Opinion of Counsel stating that the execution of such amended or supplemental indenture is authorized or permitted by this Third Supplemental Indenture and that such amended or supplemental indenture
is the legal, valid and binding obligations of the Company enforceable against it in accordance with its terms, subject to customary exceptions and that such amended or supplemental indenture complies
with the provisions hereof (including Section 8.05). 

ARTICLE 9.  

 SATISFACTION AND DISCHARGE  

        This Article 9 shall replace and supersede Article 4 of the Base Indenture in its entirety, solely with respect to the Notes. 

Section 9.01.    Satisfaction and Discharge.  

        This Third Supplemental Indenture shall be discharged and shall cease to be of further effect as to all Notes issued hereunder, when: 

        (a)   either:

        (1)   all
Notes that have been authenticated, except lost, stolen or destroyed Notes that have been replaced or paid and Notes for whose payment money has been deposited in
trust and thereafter repaid to the Company, have been delivered to the Trustee for cancellation; or 

        (2)   all
Notes that have not been delivered to the Trustee for cancellation have become due and payable by reason of the mailing of a notice of redemption or otherwise or
will become due and payable within one year, and the Company has irrevocably deposited or caused to be deposited with the Trustee as trust funds in trust solely for the benefit of the Holders, cash in
U.S. dollars, non-callable U.S. Government Obligations, or a combination of cash in U.S. dollars and non-callable U.S. Government Obligations, in
such amounts as will be sufficient without consideration of any reinvestment of interest, to pay and discharge the entire indebtedness on the Notes not delivered to the Trustee for cancellation for
principal, premium and accrued interest to the date of maturity or redemption; 

58

 

        (b)   no
Default or Event of Default has occurred and is continuing on the date of the deposit or shall occur as a result of such deposit and such deposit will not result in a
breach or violation of, or constitute a default under, any other instrument to which the Company is a party or by which the Company is bound; 

        (c)   the
Company has paid or caused to be paid all sums payable by it under this Third Supplemental Indenture; and 

        (d)   the
Company has delivered a Company Request to the Trustee under this Third Supplemental Indenture to apply the deposited money toward the payment of the Notes at
maturity or the Redemption Date, as the case may be. 

        In
addition, the Company shall deliver an Officers' Certificate and an Opinion of Counsel to the Trustee stating that all conditions precedent to satisfaction and discharge of this Third
Supplemental Indenture have been satisfied. Notwithstanding the satisfaction and discharge of this Third Supplemental Indenture, the obligations of the Company to the Trustee under Section 6.07
of the Base Indenture shall survive. 

Section 9.02.    Deposited Cash and U.S. Government Securities to be Held in Trust; Other Miscellaneous Provisions.  

        Subject to Section 9.03, all cash and non-callable U.S. Government Obligations (including the proceeds thereof) deposited with the
Trustee (or other qualifying trustee, collectively for purposes of this Section 9.02, the "Trustee") pursuant to Section 9.01 or Section 7.04 in respect of the outstanding
Notes shall be held in trust and applied by the Trustee, in accordance with the provisions of such Notes and this Third Supplemental Indenture, to the payment, either directly or through any Paying
Agent (including the Company acting as Paying Agent) as the Trustee may determine, to the Holders of such Notes of all sums due and to become due thereon in respect of principal, premium, if any, and
interest but such cash and securities need not be segregated from other funds except to the extent required by law. 

        The
Company shall pay and indemnify the Trustee against any tax, fee or other charge imposed on or assessed against the cash or non-callable U.S. Government
Obligations deposited pursuant to Section 9.01 or 7.04 or the principal and interest received in respect thereof other than any such tax, fee or other charge which by law is for the
account of the Holders of the outstanding Notes. 

        Anything
in Article 7 or this Article 9 to the contrary notwithstanding, the Trustee shall deliver or pay to the Company from time to time upon receipt of a
Company Request any cash or non-callable U.S. Government Obligations held by it as provided in Section 9.01 and 7.04 which, in the opinion of a nationally recognized
firm of independent certified public accountants expressed in a written certification thereof delivered to the Trustee are in excess of the amount thereof that would then be required to be deposited
to effect an equivalent discharge or Legal Defeasance or Covenant Defeasance, as the case may be. 

Section 9.03.    Repayment to Company.  

        The Trustee shall promptly, and in any event, no later than five (5) Business Days, pay to the Company after request therefor, any excess money held with
respect to the Notes at such time in excess of amounts required to pay any of the Company's Obligations then owing with respect to the Notes. The Trustees shall have no duty to invest any such monies. 

        Any
cash or non-callable U.S. Government Obligations deposited with the Trustee or any Paying Agent, or then held by the Company, in trust for the payment of the
principal of, premium, if any, or interest on, any Note pursuant to Section 9.01 or Section 7.04 and remaining unclaimed for two years after such principal, and premium, if any,
or interest has become due and payable shall be paid to the Company on its request or (if then held by the Company) shall be discharged from such trust; and the Holder shall thereafter, as an
unsecured creditor, look only to the Company for payment thereof, and all liability of the Trustee or such Paying Agent with respect to such cash and securities, and all liability of the Company as
trustee thereof, shall thereupon cease; provided, however, that the Trustee or such Paying Agent, before being required to make any such repayment, may
at the expense of the Company cause to be published once, in The New York Times and The Wall Street
Journal (national edition), notice that such cash and securities remains unclaimed and that, after a date specified therein, which shall not be less than 30 days from
the date of such notification or publication, any unclaimed balance of such cash and securities then remaining shall be repaid to the Company. The Trustee shall have no duty to invest any such monies. 

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Section 9.04.    Reinstatement.  

        If the Trustee or Paying Agent is unable to apply any cash or non-callable U.S. Government Obligations in accordance with Section 9.02
by reason of any order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application, then the Company's obligations under this Third Supplemental
Indenture and the Notes shall be revived and reinstated as though no deposit had occurred pursuant to Section 9.02 until such time as the Trustee or Paying Agent is permitted to apply all such
cash and securities in accordance with Section 9.02; provided, however, that, if the Company makes any payment of principal of, premium, if any,
or interest on any Note following the reinstatement of its obligations, the Company shall be subrogated to the rights of the Holders to receive such payment from the cash and securities held by the
Trustee or Paying Agent. 

ARTICLE 10.  

 SUBORDINATION  

Section 10.01.    Agreement to Subordinate.  

        The Company agrees, and each Holder by accepting a Note agrees, that the payment of principal of, premium, if any, and interest on, and all other amounts payable
in respect of, the Notes is subordinated in right of payment, to the extent and in the manner provided in this Article 10 and subject to the provisions of Article 8 hereof,
to the payment when due in cash of all Senior Debt of the Company and that the subordination is for the benefit of and enforceable by the holders of such Senior Debt. The Notes shall in all
respects rank pari passu with any future Senior Subordinated Debt and senior to all existing and future Subordinated Debt of the Company, and only Senior Debt shall rank senior to the Notes in
accordance with the provisions set forth herein. All provisions of this Article 10 shall be subject to Section 10.12. All references to "Senior Debt" in this Article 10 are to
Senior Debt of the Company. Notwithstanding anything to the contrary, the obligations of the Company under Section 6.07 of the Base Indenture shall not be subordinated to the payment of any
Senior Debt pursuant to this Article 10. 

        This
Article 10 shall constitute a continuing offer to all Persons who, in reliance upon such Article, become holders of, or continue to hold, Senior Debt, and such provisions are
made for the benefit of the holders of Senior Debt, and such holders are made obligees hereunder and they or each of them may enforce such provisions. 

Section 10.02.    Liquidation, Dissolution, Bankruptcy.  

        (a)   Upon
any payment or distribution of the assets of the Company to creditors upon a liquidation, dissolution or winding-up of the Company or in a bankruptcy,
reorganization, insolvency, receivership or similar proceeding relating to the Company or its property or upon an assignment for the benefit of the Company's creditors or the marshaling of its assets
and liabilities, the holders of Senior Debt will be entitled to receive payment in full in cash before the Holders are entitled to receive any payment of principal of, premium, if any, or interest on,
the Notes, except that Holders may receive and retain such payments made in Permitted Junior Securities and payments from the trust described in Article 7 hereof. 

        (b)   Until
the Senior Debt is paid in full in cash, any distribution to which Holders would be entitled but for this Article 10 will be made to holders of the Senior
Debt as their interests may appear (except that Holders may receive and retain payments made in Permitted Junior Securities and payments and other distributions made from the trust described in
Article 7 hereof; provided that (i) no Holder shall have the right to receive and retain any such Permitted Junior Securities if the existence of such right would have the effect of
causing the Notes to be treated in the same class of claims as the Senior Debt of the Company or any class of claims which is pari passu with such Senior Debt and (ii) holders of Senior
Debt shall be entitled to receive any cash payments made to any Holder of Notes on the account of Permitted Junior Securities until all Obligations in respect of Senior Debt have been paid in full in
cash). 

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Section 10.03.    Default on Senior Debt.  

        The Company may not pay (except in Permitted Junior Securities or from the trust described in Article 7 hereof) principal of, or premium, if any, or
interest on, the Notes, or make any deposit pursuant to Section 7.04, and may not repurchase, redeem or otherwise retire any Notes (collectively, "pay the
Notes") if (a) any principal, premium, interest or any other amount payable in respect of any Senior Debt is not paid within any applicable grace period (including at
maturity) or (b) any other default on Senior Debt occurs and the maturity of such Senior Debt is accelerated in accordance with its terms unless, in either case, (1) the default has been
cured or waived and any such acceleration has been rescinded or (2) such Senior Debt has been paid in full in cash; provided, however, that the Company may pay the Notes without regard to the
foregoing if the Company and the Trustee receive written notice approving such payment from the Representative of the holders of such Senior Debt or, if there is no Representative, from the holders of
such Senior Debt. 

        During
the continuance of any default (other than a default described in clause (a) or (b) of the preceding sentence) with respect to any Designated Senior
Debt pursuant to which the maturity thereof may be accelerated immediately without further notice (except any notice required to effect the acceleration) or upon the expiration of any applicable grace
period, the Company may not pay any amounts outstanding or in respect of the Notes for a period (a "Payment Blockage Period") commencing upon the
receipt by the Company and the Trustee of written notice of such default from the Representative of the holders of such Designated Senior Debt or, if there is no Representative, from the holders of
such Designated Senior Debt specifying an election to effect a Payment Blockage Period (a "Payment Blockage Notice") and ending 179 days
thereafter (unless such Payment Blockage Period is earlier terminated by written notice to the Trustee and the Company from the Representative of the holders of such Designated Senior Debt or, if
there is no Representative, from the holders of such Designated Senior Debt that gave such Payment Blockage Notice, (a) because such default is no longer continuing or (b) because such
Designated Senior Debt has been repaid in full in cash). Not more than one Payment Blockage Notice with respect to all issues of Designated Senior Debt may be given in any consecutive
360-day period, irrespective of the number of defaults with respect to one or more issues of Designated Senior Debt during such period. Following the expiration of any period during which
the Company is prohibited from making payments on the Notes pursuant to a Payment Blockage Notice, the Company shall (unless otherwise prohibited as described in the first two sentences of this
paragraph) resume making any and all required payments in respect of the Notes, including, without limitation, any missed payments, unless the maturity of any Designated Senior Debt has been
accelerated, and such acceleration remains in full force and effect. 

        The
Company shall give prompt written notice to the Trustee of any default in the payment of any Senior Debt or any acceleration under any Senior Debt or under any agreement pursuant to
which Senior Debt may have been issued. Failure to give such notice shall not effect the subordination of the Notes to the Senior Debt or the application of the other provisions provided in this
Article 10. 

Section 10.04.    Acceleration of Payment of Securities.  

        If payment of the Notes is accelerated when Designated Senior Debt is outstanding, the Company may not pay the Notes until three Business Days after the
Representative of the holders of such Designated Senior Debt or, if there is no Representative, the holders of such Designated Senior Debt receive notice of such acceleration and, thereafter, may pay
the Notes only if this Third Supplemental Indenture otherwise permits payment at that time. 

Section 10.05.    When Distribution Must Be Paid Over.  

        If a payment or distribution is made to Holders that because of this Article 10 should not have been made to them, the Trustee or the Holders who receive
the distribution shall return such payment or distribution to the Company or other payor, as the case may be. 

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Section 10.06.    Subrogation.  

        After all Senior Debt is paid in full and until the Notes are paid in full, Holders shall be subrogated (equally and ratably with all other Debt that is
pari passu with the Notes) to the rights of holders of Senior Debt to receive distributions applicable to Senior Debt to the extent that distributions otherwise payable to the Holders have been
applied to the payment of Senior Debt. A distribution made under this Article 10 to holders of Senior Debt that otherwise would have been made to Holders is not, as between the Company
and Holders, a payment by the Company on such Senior Debt. 

Section 10.07.    Relative Rights.  

        This Article 10 defines the relative rights of Holders and holders of Senior Debt. Nothing in this Third Supplemental Indenture shall: 

        (a)   impair,
as between the Company and Holders, the obligation of the Company, which is absolute and unconditional, to pay principal of, premium, if any, and interest on,
the Notes in accordance with their terms; 

        (b)   affect
the relative rights of Holders and creditors of the Company other then their rights in relation to holders of Senior Debt; or 

        (c)   prevent
the Trustee or any Holder from exercising its available remedies upon a Default or an Event of Default, subject to the rights of holders of Senior Debt to
receive distributions otherwise payable to Holders. 

Section 10.08.    Subordination May Not Be Impaired by Company.  

        No right of any holder of Senior Debt to enforce the subordination of the Debt evidenced by the Notes shall be impaired by any act or failure to act by the
Company or by its failure to comply with this Third Supplemental Indenture. 

Section 10.09.    Rights of Trustee and Paying Agent.  

        Notwithstanding Section 10.03, the Trustee or Paying Agent may continue to make payments on the Notes and shall not be charged with knowledge of the
existence of facts that would prohibit the making of any such payments unless, not less than two Business Days prior to the date of such payment, a Responsible Officer receives notice satisfactory to
it that payments may not be made under this Article 10. The Company, the Security Registrar or co-Security Registrar, the Paying Agent, a Representative or a holder of Senior Debt
may give the notice on behalf of such holders; provided, however, that, if an issue of Senior Debt has a Representative, only the Representative may give the notice. 

        The
Trustee in its individual or any other capacity may hold Senior Debt with the same rights it would have if it were not Trustee. The Security Registrar and co-Security
Registrar and the Paying Agent may do the same with like rights. The Trustee shall be entitled to all the rights set forth in this Article 10 with respect to any Senior Debt that may at any
time be held by it, to the same extent as any other holder of such Senior Debt; and nothing in Article 6 shall deprive
the Trustee of any of its rights as such holder. Nothing in this Article 10 shall apply to claims of, or payments to, the Trustee under or pursuant to Section 6.07 of the Base Indenture. 

Section 10.10.    Distribution or Notice to Representative.  

        Whenever a distribution is to be made or a notice given to holders of Senior Debt, the distribution may be made and the notice given to their Representative
(if any). 

62

   Section 10.11.    Article 10 Not to Prevent Events of Default or Limit Right to Accelerate.  

        Nothing in this Article 10 shall prevent an Event of Default in accordance with Article 6 or have any effect on the right of the Holders or
the Trustee to accelerate the maturity of the Notes or to exercise the rights and remedies in Article 6. 

Section 10.12.    Trust Moneys Not Subordinated.  

        Notwithstanding anything contained herein to the contrary, payments from cash or the proceeds of non-callable U.S. Government Securities held
in trust under Article 7 by the Trustee for the payment of principal of and interest on the Notes shall not be subordinated to the prior payment of any Senior Debt or subject to the
restrictions set forth in this Article 10, and none of the Holders shall be obligated to pay over any such amount to the Company or any holder of Senior Debt or any other creditor of the
Company. 

Section 10.13.    Trustee Entitled to Rely.  

        Upon any payment or distribution pursuant to this Article 10, the Trustee and the Holders shall be entitled to rely (a) upon any order or decree of
a court of competent jurisdiction in which any proceedings of the nature referred to in Section 10.02 are pending, (b) upon a certificate of the liquidating trustee or agent or other
Person making such payment or distribution to the Trustee or to the Holders or (c) upon a certificate of the Representative of the holders of Senior Debt or, if there is no Representative, the
holders of Senior Debt for the purpose of ascertaining the Persons entitled to participate in such payment or distribution, the holders of Senior Debt and other Debt of the Company, the amount thereof
or payable thereon, the amount or amounts paid or distributed thereon and all other facts pertinent thereto or to this Article 10. In the event that the Trustee determines, in good faith, that
evidence is required with respect to the right of any Person as a holder of Senior Debt to participate in any payment or distribution pursuant to this Article 10, the Trustee may request such
Person to furnish evidence to the reasonable satisfaction of the Trustee as to the amount of such Senior Debt held by such Person, the extent to which such Person is entitled to participate in such
payment or distribution and other facts pertinent to the rights of such Person under this Article 10, and, if such evidence is not furnished, the Trustee may defer any payment to such Person
pending judicial determination as to the right of such Person to receive such payment. The provisions of Section 6.01 and 6.03 of the Base Indenture shall be applicable to all actions or
omissions of actions by the Trustee pursuant to this Article 10. 

Section 10.14.    Trustee to Effectuate Subordination.  

        Each Holder by accepting a Note authorizes and directs the Trustee on his behalf to take such action as may be necessary or appropriate to acknowledge or
effectuate the subordination between the Holders and the holders of Senior Debt as provided in this Article 10 and appoints the Trustee as attorney-in-fact for
any and all such purposes. 

Section 10.15.    Trustee Not Fiduciary for Holders of Senior Debt.  

        The Trustee shall not be deemed to owe any fiduciary duty to the holders of Senior Debt and shall not be liable to any such holders if it shall mistakenly pay
over or distribute to Holders or the Company or any other Person, money or assets to which any holders of Senior Debt shall be entitled by virtue of this Article 10 or otherwise, except
if such mistake was the result of the Trustee's gross negligence or willful misconduct. 

Section 10.16.    Reliance by Holders of Senior Debt on Subordination Provisions.  

        Each Holder by accepting a Note acknowledges and agrees that the foregoing subordination provisions are, and are intended to be, an inducement and a consideration
to each holder of any Senior Debt, whether such Senior Debt was created or acquired before or after the issuance of the Notes, to acquire and continue to hold, or to continue to hold, such Senior Debt
and such holder of such Senior Debt shall be deemed conclusively to have relied on such subordination provisions in acquiring and continuing to hold, or in continuing to hold, such Senior Debt. 

63

 

Section 10.17.    Notice to Trustee.  

        The Company shall give prompt written notice to a Responsible Officer of the Trustee located at the Corporate Trust Office of any fact known to the Company which
would prohibit the making of any payment to or by the Trustee in respect of the Notes. Notwithstanding the provisions of this Article or any other provision of this Third Supplemental Indenture, the
Trustee shall not be charged with knowledge of the existence of any facts which would prohibit the making of any payment to or by the Trustee in respect of the Notes, unless and until the Trustee
shall have received at its Corporate Trust Office written notice thereof from the Company or a holder of Senior Debt or from any trustee therefor, and, prior to the receipt of any such written notice,
the Trustee, subject to the provisions of Section 6.01 of the Base Indenture, shall be entitled in all respects to assume that no such facts exist; provided, however, that if the Trustee shall
not have received the notice provided for in this Section 10.17 at least two Business Days prior to the date upon which by the terms hereof any money becomes payable for any purpose (including
the payment of the principal of, and premium, if any, or interest on any Note), then, anything herein contained to the contrary notwithstanding, the Trustee shall have full power and authority to
receive such money and to apply the same to the purpose for which such money was received and shall not be affected by any notice to the contrary which may be received by it during or after such two
Business Day period. 

        Subject
to the provisions of Section 6.01 of the Base Indenture, the Trustee shall be entitled to rely on the delivery to it of a written notice by a Person representing himself
to be a holder of Senior Debt (or a trustee therefor) to establish that such notice has been given by a holder of Senior Debt (or a trustee therefor). In the event that the Trustee
determines in good faith that further evidence is required with respect to the right of any Person as a holder of Senior Debt to participate in any payment or distribution pursuant to this
Article 10, the Trustee may request such Person to furnish evidence to the reasonable satisfaction of the Trustee as to the amount of Senior Debt held by such Person, the extent to which such
Person is entitled to participate in such payment or distribution and any other facts pertinent to the rights of such Person under this Article 10, and if such evidence is not furnished,
the Trustee may defer any payment to such Person pending judicial determination as to the right of such Person to receive such payment. 

ARTICLE 11.  

 MISCELLANEOUS  

Section 11.01.    Notices.  

        Any notice or communication by the Company or the Trustee to the other shall be duly given if in writing and delivered in person or mailed by first class mail
(registered or certified, return receipt requested), facsimile transmission or overnight air courier guaranteeing next-day delivery, to the other's address as set forth in
Section 1.05 of the Base Indenture. 

        The
Company or the Trustee, by notice to the other, may designate additional or different addresses for subsequent notices or communications. 

        For
purposes of this Third Supplemental Indenture, all notices and communications (other than those sent to the Trustee or Holders) 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 sent by facsimile transmission; and the next
Business Day after timely delivery to the courier, if sent by overnight air courier guaranteeing next-day delivery. All notices and communications to the Trustee or Holders shall be deemed
duly given and effective only upon receipt. Notwithstanding the foregoing, a notice or communication mailed in the manner provided above within the time prescribed, shall be duly given, whether or not
received by the addressee. 

        Any
notice or communication to a Holder shall be mailed by first class mail, certified or registered, return receipt requested, or by overnight air courier guaranteeing
next-day delivery to its address shown on the Security Register. Any notice or communication shall also be so mailed to any Person described in TIA § 313(c), to
the extent required by the TIA. 

64

 

        If
the Company mails a notice or communication to Holders, it shall mail a copy to the Trustee and each Agent at the same time. 

Section 11.02.    Certificate and Opinion as to Conditions Precedent.  

        Upon any request or application by the Company to the Trustee to take any action under any provision of this Third Supplemental Indenture, the Company shall
furnish to the Trustee: 

        (a)   an
Officers' Certificate in form and substance reasonably satisfactory to the Trustee (which shall include the statements set forth in Section 1.02 of the Base
Indenture) stating that, in the opinion of the signers, all conditions precedent and covenants, if any, provided for in this Third Supplemental Indenture relating to the proposed action have been
complied with; and 

        (b)   an
Opinion of Counsel in form and substance reasonably satisfactory to the Trustee (which shall include the statements set forth in Section 1.02 of the Base
Indenture) stating that, in the opinion of such counsel, all such conditions precedent and covenants have been complied with. 

Section 11.03.    No Personal Liability of Directors, Officers, Employees and Stockholders.  

        No past, present or future director, officer, employee, incorporator or stockholder of the Company shall have any liability for any obligations of the Company
under the Notes, this Third Supplemental Indenture, or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder of 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. The waiver and release may not be effective to waive or release liabilities under the
federal securities laws. 

Section 11.04.    Governing Law.  

        THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS THIRD SUPPLEMENTAL INDENTURE AND THE NOTES 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. 

Section 11.05.    No Adverse Interpretation of Other Agreements.  

        This Third Supplemental Indenture may not be used to interpret any other indenture, loan or debt agreement of the Company or its Subsidiaries or of any other
Person. Any such indenture, loan or debt agreement may not be used to interpret this Third Supplemental Indenture. 

Section 11.06.    Successors.  

        All covenants and agreements of the Company in this Third Supplemental Indenture and the Notes shall bind its successors. All covenants and agreements of the
Trustee in this Third Supplemental Indenture shall bind its successors. 

Section 11.07.    Severability.  

        To the extent permitted by applicable law, in case any provision in this Third Supplemental Indenture or in the Notes shall be invalid, illegal or unenforceable
in any respect or for any reason, the validity, legality and enforceability of any such provision in every other respect and of the remaining provisions shall not in any way be affected or impaired
thereby and shall remain enforceable to the fullest extent permitted by law. 

65

 

Section 11.08.    Consent to Jurisdiction and Service of Process.  

        (a)   The
Company irrevocably consents to the non-exclusive jurisdiction of the courts of the State of New York and the courts of the United States
of America located in the Borough of Manhattan, City and State of New York over any suit, action or proceeding with respect to this Third Supplemental Indenture or the transactions contemplated
hereby. The Company waives any objection that it may have to the venue of any suit, action or proceeding with respect to this Third Supplemental Indenture or the transactions contemplated hereby in
the courts of the State of New York or the courts of the United States of America, in each case, located in the Borough of Manhattan, City and State of New York, or that such
suit, action or proceeding brought in the courts of the State of New York or the United States of America, in each case, located in the Borough of Manhattan, City and State of
New York was brought in an inconvenient court and agrees not to plead or claim the same. 

        (b)   The
Company irrevocably appoints CT Corporation System, as its authorized agent upon which process may be served in any such suit or proceedings, and agrees that service
of process upon such agent, and written notice of said service to CT Corporation System, by the person serving the same to the address of the Company or its counsel as provided in Section 1.05
of the Base Indenture, shall be deemed in every respect effective service of process upon the Company in any such suit or proceeding. 

        The
Company further agrees to take any and all action as may be necessary to maintain such designation and appointment of such agent in full force and effect for so long as this Third
Supplemental Indenture shall be in full force and effect; provided that the Company may and shall (to the extent that CT Corporation Systems
ceases to be able to be served on the basis contemplated herein), by written notice to the Trustee, designate such additional or alternative agents for service of process under this
Section 11.08 that: (i) maintains an office located in the Borough of Manhattan, City and State of New York; (ii) is either (A) counsel for the Company; or
(B) a corporate service company which acts as agent for service of process for other Persons in the ordinary course of its business; and (iii) agrees to act as agent for service of
process in accordance with this Section 11.08. 

Section 11.09.    Counterpart Originals.  

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

Section 11.10.    Table of Contents, Headings, etc.  

        The Table of Contents, Cross-Reference Table and Headings in this Third Supplemental Indenture have been inserted for convenience of reference only, are not to be
considered a part of this Third Supplemental Indenture and shall in no way modify or restrict any of the terms or provisions hereof. 

Section 11.11    Trustee.  

        The recitals contained herein shall be taken as the statements of the Company and the Trustee assumes no responsibility for their correctness. The Trustee makes
no representations as to the validity or sufficiency of this Third Supplemental Indenture. 

        [Signatures on following page]

66

SIGNATURES  

	Dated as of June 23, 2005	 	 	 	 
	 	 	CELESTICA INC.
	
 	
 	

By:	
 	

/s/  ANTHONY P. PUPPI      

	 	 	 	 	Name: Anthony P. Puppi

Title: Chief Financial Officer

	 

	 	 	TRUSTEE:
	

 	
 	
JPMORGAN CHASE BANK, N.A., AS TRUSTEE
	 	 	 	 	 
	 	 	By:	 	/s/  L. O'BRIEN      

	 	 	 	 	Name: L. O'Brien

Title: Vice President

	 

   EXHIBIT A  

(Face of Note) 

75/8% SENIOR SUBORDINATED NOTES DUE 2013  

	 	 	CUSIP                         
	No.               	 	US$                        

CELESTICA INC.  

promises
to pay to CEDE & CO., INC. or registered assigns, the principal sum of                         
United States Dollars
(US$              ) on July 1, 2013. 

Interest
Payment Dates: January 1 and July 1, commencing January 1, 2006. 

Record
Dates: December 15 and June 15. 

Dated:
                        . 

A-1

 

        IN
WITNESS WHEREOF, the Company has caused this Note to be signed manually or by facsimile by its duly authorized officer. 

	 	 	 	CELESTICA INC.
	

 	

 	
 	
By:	

 Name:    Anthony P. Puppi

Title:      Chief Financial Officer
	

This is one of the Global

Notes referred to in the

within-mentioned Third

Supplemental Indenture:	
 	

 	

 
	

JPMORGAN CHASE BANK, N.A.,

as Trustee	
 	

 	

 
	

By:	

 Authorized Signatory	
 	

 	

 

Dated:
June 23, 2005 

A-2

 
(Back
of Note) 

75/8%
SENIOR SUBORDINATED NOTES due 2013 

        "THIS
GLOBAL NOTE IS HELD BY THE DEPOSITARY (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 (I) THE TRUSTEE MAY MAKE SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 2.05 OF THE THIRD SUPPLEMENTAL
INDENTURE, (II) THIS GLOBAL NOTE MAY BE EXCHANGED IN WHOLE BUT NOT IN PART PURSUANT TO SECTION 2.05 OF THE THIRD SUPPLEMENTAL INDENTURE, (III) THIS GLOBAL NOTE MAY BE DELIVERED TO
THE TRUSTEE FOR CANCELLATION PURSUANT TO SECTION 3.10 OF THE BASE INDENTURE AND (IV) THIS GLOBAL NOTE MAY BE TRANSFERRED TO A SUCCESSOR DEPOSITARY WITH THE PRIOR WRITTEN CONSENT OF THE
COMPANY. 

        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 DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR
BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITARY.
UNLESS THIS NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR
PAYMENT, AND ANY NOTE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO
CEDE & CO. OR TO SUCH OTHER ENTITY AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS
WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN." 

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

        1.    Interest.    Celestica Inc., an Ontario corporation
(the "Company"), promises to pay interest on the principal amount of this Note at 75/8% per annum until maturity. The Company
shall pay interest semi-annually on January 1 and July 1 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 shall accrue from the most recent date to which interest has been paid or, if no interest has been paid,
from June 23, 2005; provided, however, 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 the first of January or July to occur
after the date of issuance, unless such January or July occurs within one calendar month of such date of issuance, in which case the first Interest Payment Date shall be January 1, 2006. The
Company shall pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue principal and premium, if any, at the same rate per annum that is then
in effect under the Indenture and this Note. Interest shall be computed on the basis of a 360-day year of twelve 30-day months. For the purposes of the  Interest Act (Canada), the yearly rate of interest
which is equivalent to the rate payable hereunder is the rate payable multiplied by the actual number
of days in the year and divided by 360. 

A-3

 

        2.    Method of Payment.    The Company shall pay interest on the Notes (except defaulted
interest) to the Persons in whose name this Note (or one or more Predecessor Notes) is registered at the close of business on the December 15 or June 15 next preceding the
Interest Payment Date, even if such Notes are cancelled after such record date and on or before such Interest Payment Date, except as provided in Section 3.07 of the Base Indenture with respect
to defaulted interest. The Notes shall be payable as to principal, premium, if any, and interest at the office or agency of the Company maintained for such purpose, or, at the option of the Company,
payment of interest may be made by check mailed to the Holders at their addresses set forth in the Security Register; provided,  however, that payment by
wire transfer of immediately available funds shall be required with respect to principal of and interest and premium, if any,
on, all Global Notes and all other Notes the Holders of which shall have provided wire transfer instructions to the Paying Agent. Such payment shall be in such coin or currency of the
United States of America as at the time of payment is legal tender for payment of public and private debts. 

        3.    Paying Agent and Security Registrar.    Initially, JPMorgan Chase Bank, N.A., the
Trustee under the Indenture, shall act as Paying Agent and Security Registrar. The Company may change any Paying Agent or Security Registrar without notice to any Holder. The Company or any of its
Subsidiaries may act in any such capacity. 

        4.    Indenture.    The Company issued the Notes under the Third Supplemental Indenture, dated
as of June 23, 2005, by and between the Company and JPMorgan Chase Bank, N.A., as trustee (the "Trustee") (the "Third Supplemental Indenture") to the Indenture, dated as of
June 16, 2004, between the Company and the Trustee (the "Base Indenture" and together with the Third Supplemental Indenture, as so amended and supplemented, the
"Indenture"). The terms of the Notes include those stated in the Indenture and those made part of the Indenture by reference to the U.S. 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. 

        5.    Optional Redemption.    

        (a)   Except
as set forth below, the Notes shall not be redeemable at the option of the Company prior to    July 1, 2009. Starting on that date, the Company
may redeem all or any portion of the Notes, at once or over time, after giving the notice required pursuant to Section 3.03 of the Third Supplemental Indenture. The Notes may be redeemed at the
redemption prices set forth below, plus accrued and unpaid interest, to but excluding the applicable Redemption Date (subject to the right of Holders of record on the relevant Regular Record Date to
receive interest due on the relevant Interest Payment Date). The following prices are for Notes redeemed during the 12-month period commencing on July 1 of the years set forth
below, and are expressed as percentages of principal amount: 

	Year 
	 	Redemption Price

	2009	 	103.813%
	2010	 	101.906%
	2011 and thereafter	 	100.000%

        (b)   In
addition, at any time and from time to time prior to July 1, 2009, the Company may elect to redeem all or any portion of the Notes, after giving the notice
required pursuant to Section 3.03 of the Third Supplemental Indenture, at a redemption price equal to the greater of: 

        (i)    100%
of the principal amount of Notes to be redeemed, and 

        (ii)   the
sum of the present values of (1) the redemption price of the Notes to be redeemed at July 1, 2009 (as set forth in the prior paragraph) of the
Notes to be redeemed, and (2) the remaining scheduled payments of interest from the Redemption Date to July 1, 2009, but excluding accrued and unpaid interest to the Redemption Date,
discounted to the date of redemption on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate plus 50 basis
points, 

A-4

 

plus,
in either case, accrued and unpaid interest to the Redemption Date (subject to the right of Holders of record on the relevant Regular Record Date to receive interest due on the relevant Interest
Payment Date). 

        (c)   In
addition, at any time and from time to time, prior to July 1, 2008, the Company may redeem up to 35% of the aggregate principal amount of the Notes (including
any Additional Notes) then outstanding with the net cash proceeds of one or more Public Equity Offerings, at a redemption price equal to 107.625% of the principal amount, plus accrued and unpaid
interest, to but excluding the Redemption Date (subject to the right of Holders of record on the relevant Regular Record Date to receive interest due on the relevant Interest Payment Date);  provided,
however, that after giving effect to any such redemption, at least 65% of the aggregate
principal amount of the Notes (including any Additional Notes) remains outstanding. Any such redemption shall be made within 90 days of the closing of such Public Equity Offering and upon not
less than 30 nor more than 60 days' prior notice. 

        (d)(i) The
Company may, at its option, at any time redeem in whole but not in part the outstanding Notes at a redemption price of 100% of the principal amount thereof plus
accrued and unpaid interest (if any) to but excluding the date of redemption if it has become or would become obligated to pay on the next date on which any amount would be payable under or in
respect of the Notes any Additional Amounts in respect of the Notes as a result of: 

        (A)  any
change in or amendment to the laws (or regulations promulgated thereunder) of Canada (or any political subdivision or taxing authority thereof or
therein), or 

        (B)  any
change in or amendment to any official position regarding the application or interpretation of such laws or regulations, 

in
either case, which change or amendment is announced or is effective on or after the Issue Date (unless announced prior to the Issue Date). 

        (ii)   It
shall be a condition to the Company's right to redeem the Notes pursuant to the provisions set forth in the immediately preceding paragraph that, prior to giving any
notice of redemption of the Notes, the Company shall have delivered to the Trustee: 

        (A)  an
Officers' Certificate stating that the obligation to pay such Additional Amounts cannot be avoided by the Company taking reasonable measures available to it; and 

        (B)  an
Opinion of Counsel that the Company has or will become obligated to pay, on the next date on which any amount would be payable with respect to the Notes, Additional
Amounts in respect of the Notes as a result of an amendment or change of the type described in clause (i) above, which opinion, in the case of an announced amendment or change, may
assume that the announced amendment or change will become effective as of the date specified in such announcement and in the form announced and, where the change or amendment is one described in
clause (i)(B) above, may assume such official position accurately reflects the relevant law. 

        (e)   Any
notice to the Holders of Notes of a redemption pursuant to clause (b) above shall include the appropriate calculation of the redemption price, but need
not include the redemption price itself. The actual redemption price, calculated as described above, shall be set forth in an Officers' Certificate delivered to the Trustee no later than two Business
Days prior to the Redemption Date. 

        6.    Mandatory Redemption.    There is no mandatory sinking fund payment with respect to the
Notes. Except as set forth in Sections 4.12 and 4.18 of the Third Supplemental Indenture, the Company shall not be required to make mandatory redemption payments with respect to the
Notes. 

        7.    Repurchase at Option of Holder.    

        (a)   Upon
the occurrence of a Change of Control, the Company shall be required to make an offer to each Holder to repurchase all (or, at the option of the Holder, any
portion) of such Holder's Notes (equal to US$1,000 or an integral multiple of US$1,000) (a "Change of Control Offer") at a purchase price equal
to 101% of the aggregate principal amount of the Notes repurchased, plus accrued and unpaid interest on the Notes repurchased to the repurchase date (subject to the right of Holders of record on the
relevant record date to receive interest due on the relevant interest payment date). 

A-5

 

        (b)   When
the aggregate amount of Net Available Cash from all Asset Sales following the Issue Date not applied in accordance with Section 4.12(b) of the Third
Supplemental Indenture exceeds US$10.0 million, then pursuant to and in accordance with Section 3.09 of the Third Supplemental Indenture, the Company shall commence an offer to
repurchase (a "Prepayment Offer"), the maximum principal amount of Notes (including any Additional Notes) that may be purchased out of the
portion of the Net Available Cash that is allocable to the Notes as determined in accordance with Section 4.12(c) of the Third Supplemental Indenture at an offer price in cash equal to
100% of the principal amount thereof plus accrued and unpaid interest to the date fixed for the closing of such offer. To the extent that the aggregate amount of Notes (including Additional Notes)
tendered pursuant to a Prepayment Offer is less than such Net Available Cash, the Company (or such Restricted Subsidiary) may use such deficiency for any purpose not prohibited by the
Indenture. If the aggregate principal amount of Notes surrendered by Holders thereof exceeds the amount of such Net Available Cash, the Trustee shall select the Notes to be purchased on a  pro rata
basis. Holders of Notes that are the subject of an offer to purchase will receive a Prepayment Offer from the Company prior to any
related purchase date and may elect to have such Notes purchased by completing the form entitled "Option of Holder to Elect Purchase" on the reverse of the Notes. 

        8.    Notice of Redemption.    Notice of redemption shall be mailed at least 30 days
but not more than 60 days before the Redemption Date to each Holder whose Notes are to be redeemed at its registered address. Notes in denominations larger than US$1,000 may be redeemed in part
but only in whole multiples of US$1,000, unless all of the Notes held by a Holder are to be redeemed. On and after the Redemption Date interest ceases to accrue on Notes or portions thereof called for
redemption. 

        9.    Denominations, Transfer, Exchange.    The Notes are in registered form without coupons
in denominations of US$1,000 and integral multiples of US$1,000. This Note shall represent the aggregate principal amount of outstanding Notes from time to time endorsed hereon and the aggregate
principal amount of Notes represented hereby may from time to time be reduced or increased, as appropriate, to reflect exchanges and redemptions. The transfer of Notes may be registered and Notes may
be exchanged as provided in the Indenture. The Security Registrar and the Trustee may require a Holder, among other things, to furnish appropriate endorsements and transfer documents and the Company
may require a Holder to pay any taxes and fees required by law or permitted by the Indenture. The Company need not exchange or register the transfer of any Note or portion of a Note selected for
redemption, except for the unredeemed portion of any Note being redeemed in part. Also, the Company 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. 

        10.    Persons Deemed Owners.    The registered Holder of a Note may be treated as its owner
for all purposes, except as required by law. 

        11.    Amendment, Supplement and Waiver.    Subject to certain exceptions, the Company and the
Trustee may amend or supplement the Indenture or the Notes with the consent of the Holders of a majority in principal amount of the then outstanding Notes, including Additional Notes, if any, voting
as a single class (including consents obtained in connection with a purchase of or tender offer or exchange offer for the Notes), and, subject to Sections 6.04 and 6.07 of the Third
Supplemental Indenture, any existing Default or Event of Default (except a continuing Default or Event of Default in the payment of principal, premium, if any, interest on the Notes) or compliance
with any provision of the Indenture or the Notes (except for certain covenants and provisions of the Indenture which cannot be amended without the consent of each Holder) may be waived with the
consent of the Holders of a majority in principal amount of the then outstanding Notes, including Additional Notes, if any, then outstanding voting as a single class (including consents obtained in
connection with a purchase of or tender offer or exchange offer for the Notes). In addition, any amendment to the subordination provisions of the Indenture that would adversely affect the rights of
Holders will require the consent of holders of at least 75% in aggregate principal amount of the Notes then outstanding. Without the consent of any Holder, the Company and the Trustee may amend or
supplement the Indenture or the Notes to (1) cure any ambiguity, omission, defect or inconsistency in any manner that is not adverse in any material respect to any holder of the Notes;
(2) provide for the assumption by a Surviving Person of the obligations of the Company under the Indenture, provided, that the Company delivers
to the Trustee: (a) an Opinion of Counsel to the effect that holders of the Notes will not recognize income, gain or loss for U.S. Federal income tax purposes as a result of such
assumption by the Surviving Person and will be subject to U.S. Federal income tax on the same amount and in the same manner and at the same times as would have been the case if such assumption
had not occurred, and (b) an Opinion of Counsel to the effect that holders of the Notes will not recognize income, gain or loss for Canadian federal, provincial and territorial tax purposes as
a result of such assumption by the Surviving Person and will be subject to Canadian federal, provincial and territorial taxes (including withholding taxes) on the same amounts, in the same manner and
at the same times as would have been the case if such assumption had not occurred; (3) provide for uncertificated Notes in addition to or in place of certificated Notes
(provided that the uncertificated Notes are issued in registered form for purposes of Section 163(f) of the Code, or in a manner such that
the uncertificated Notes are described in Section 163(f)(2)(B) of the Code); (4) add Guarantees with respect to the Notes; (5) secure the Notes, add to the covenants of the
Company for the benefit of the holders of the Notes or surrender any right or power conferred upon the Company; (6) make any change that does not adversely affect the rights of any Holder of
the Notes; (7) make any change to the subordination provisions of the Indenture that would limit or terminate the benefits available to any holder of Senior Debt under such provisions;
(8) comply with any requirement of the Commission in connection with the qualification of the Indenture under the Trust Indenture Act; or (9) provide for the issuance of Additional Notes
in accordance with the Indenture. 

A-6

 

        12.    Defaults and Remedies.    Each of the following is an Event of Default under the
Indenture: (a) failure to make the payment of any interest on the Notes when the same becomes due and payable, and such failure continues for a period of 30 days; (b) failure to
make the payment of any principal of, or premium, if any, on, any of the Notes when the same becomes due
and payable at its Stated Maturity, upon acceleration, redemption, optional redemption, required repurchase or otherwise; (c) failure to comply with the covenants described under
Sections 4.09, 4.10, 4.12, 4.18 and 5.01 of the Third Supplemental Indenture and such failure continues for 30 days after written notice is given to the Company as provided
in Section 6.01 of the Third Supplemental Indenture; provided, that, in accordance with Section 4.20 of the Third Supplemental Indenture,
upon the Company reaching Investment Grade Status, this clause (c) shall cease to be effective with respect to Sections 4.09, 4.10, 4.12 and 5.01(a)(iv) of the Third
Supplemental Indenture; (d) failure to comply with any other covenant or agreement in the Notes or in the (other than a failure that is the subject of the foregoing
clause (a), (b) or (c)), and such failure continues for 60 days after written notice is given to the Company as provided in Section of 6.01 of the Third
Supplemental Indenture; provided, that, in accordance with Section 4.20 of the Third Supplemental Indenture, upon the Company reaching Investment
Grade Status, this clause (d) shall cease to be effective with respect to Sections 4.13, 4.14, 4.16(d)(i) and 4.17 of the Third Supplemental Indenture; (e) a
default under any Debt by the Company or any Restricted Subsidiary (other than any Debt of the Company owed to any Wholly Owned Restricted Subsidiary or any Debt of any Restricted Subsidiary owed to
the Company or any Wholly Owned Restricted Subsidiary) that results in acceleration of the maturity of such Debt, or failure to pay any such Debt at maturity, in an aggregate amount greater than
US$50.0 million or its foreign currency equivalent at the time; (f) any judgment or judgments for the payment of money in an aggregate amount in excess of US$25.0 million
(or its foreign currency equivalent at the time) that shall be rendered against the Company or any Restricted Subsidiary and that shall not be waived, satisfied, discharged or acknowledged by a
third party insurer to be its exclusive liability for any period of 60 consecutive days during which a stay of enforcement shall not be in effect; and (g) certain events involving
bankruptcy, insolvency or reorganization of the Company or any Significant Subsidiary. 

        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 may declare all the Notes to be due and
payable. Notwithstanding the foregoing, in the case of an Event of Default arising from certain events of bankruptcy or insolvency described in the Third Supplemental Indenture, all outstanding Notes
shall become due and payable without further action or notice. Holders may not enforce the Third Supplemental Indenture or the Notes except as provided in the Third Supplemental Indenture. Subject to
certain limitations, Holders of a majority in aggregate 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 notice of any continuing Default or Event of Default (except a Default or Event of Default relating to the payment of principal or interest) if it determines that withholding notice is in
their interest. The Holders of a majority in aggregate principal amount of the Notes then outstanding by notice to the Trustee may on behalf of the Holders of all of the Notes waive any existing
Default or Event of Default and its consequences under the Third Supplemental Indenture except a continuing Default or Event of Default in the payment of interest, or the principal of, the Notes and
in respect of a covenant or provision which under the Third Supplemental Indenture cannot be modified or amended without the consent of either each Holder affected by such modification or amendment or
Holders of at least 75% in aggregate principal amount of the Notes then outstanding. The Company is required to deliver to the Trustee annually a statement regarding compliance with the Third
Supplemental Indenture, and the Company 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. 

A-7

 

        13.    Trustee Dealings with Company.    Subject to certain limitations, the Trustee in its
individual or any other capacity may become the owner or pledgee of Notes and may otherwise deal with the Company or any Affiliate of the Company with the same rights it would have if it were not
Trustee. 

        14.    No Recourse Against Others.    No past, present or future director, officer, employee,
incorporator or stockholder of the Company, as such, shall have any liability for any obligations of the Company or any Guarantor, if any, under the Third Supplemental Indenture, the Notes, or for any
claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder by accepting a Note waives and releases all such liability. The waiver and release is not effective to
release liabilities under US federal securities laws. 

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

        16.    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). 

        17.    CUSIP Numbers.    Pursuant to a recommendation promulgated by the Committee on Uniform
Security Identification Procedures, the Company has caused CUSIP numbers to be printed on the Notes and has directed the Trustee to 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 and reliance may be placed only on the other identification numbers
placed thereon. 

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

Celestica Inc.

1150 Eglinton Avenue East

Toronto, Ontario M3C 1H7

Canada 

        18.    Governing Law.    The internal law of the State of
New York shall govern and be used to construe this Note without giving effect to applicable principals of conflicts of law to the extent that the application of the laws of another jurisdiction
would be required thereby. 

A-8

 
Option of Holder to Elect Purchase  

If
you want to elect to have this Note purchased by the Company pursuant to Section 4.12 or 4.18 of the Third Supplemental Indenture, check the box below: 

        Section 4.12 

        Section 4.18

If
you want to elect to have only part of the Note purchased by the Company pursuant to Section 4.12 or Section 4.18 of the Third Supplemental Indenture, state the amount you elect to
have purchased: 

	US$
	 	 
	
 Date:
	
 	

Your Signature:

	
 	
 	

Tax Identification No.:

	
 	
 	

SIGNATURE GUARANTEE:
	
 	
 	

	
 	
 	

Signatures must be guaranteed by an "eligible guarantor institution" meeting the requirements of the Security Registrar, which requirements include membership or participation in the Security Transfer Agent Medallion Program ("STAMP") or such other
"signature guarantee program" as may be determined by the Security Registrar in addition to, or in substitution for, STAMP, all in accordance with the Securities Exchange Act of 1934, as amended.

A-9

 
Assignment Form  

To
assign this Note, fill in the form below: 

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

	 
	
 (Insert assignee's social security or other tax I.D. no.)
	 
	

	 
	

	 
	

	 
	 
	
 (Print or type assignee's name, address and zip code)
	 
	and irrevocably appoint
 as agent to transfer this Note on the books of the Company. The agent may substitute another to act for him.
	 
	

	 

	Date:
	 	Your Signature:

	
 	
 	

Signature Guarantee:

A-10

[SCHEDULE OF EXCHANGES OF INTERESTS IN THE GLOBAL NOTE]  

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

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

	 	 	 	 	 	 	 	 	 

	 

 
 
 

TABLE OF CONTENTS    
    

	 
	 	 
	 	Page

	 ARTICLE 1.    DEFINITIONS AND INCORPORATION BY REFERENCE	 	1
	 	 Section 1.01.	 	Definitions	 	1
	 	 Section 1.02.	 	Other Definitions	 	23
	 	 Section 1.03.	 	Incorporation by Reference of Trust Indenture Act	 	23
	 	 Section 1.04.	 	Rules of Construction	 	23
	 ARTICLE 2.    THE NOTES	 	24
	 	 Section 2.01.	 	General	 	24
	 	 Section 2.02.	 	Execution and Authentication	 	25
	 	 Section 2.03.	 	Security Registrar, Paying Agent and Depositary	 	25
	 	 Section 2.04.	 	Paying Agent to Hold Money in Trust	 	25
	 	 Section 2.05.	 	Transfer and Exchange	 	25
	 	 Section 2.06.	 	Outstanding Notes	 	27
	 	 Section 2.07.	 	Treasury Notes	 	27
	 	 Section 2.08.	 	Issuance of Additional Notes	 	28
	 ARTICLE 3.    REDEMPTION AND PREPAYMENT	 	28
	 	 Section 3.01.	 	Notices to Trustee	 	28
	 	 Section 3.02.	 	Selection of Notes to Be Redeemed	 	28
	 	 Section 3.03.	 	Notice of Redemption	 	29
	 	 Section 3.04.	 	Effect of Notice of Redemption	 	29
	 	 Section 3.05.	 	Deposit of Redemption Price	 	30
	 	 Section 3.06.	 	Notes Redeemed in Part	 	30
	 	 Section 3.07.	 	Optional Redemption	 	30
	 	 Section 3.08.	 	Mandatory Redemption	 	31
	 	 Section 3.09.	 	Offer To Purchase.	 	31
	 ARTICLE 4.    COVENANTS	 	33
	 	 Section 4.01.	 	Payment of Notes	 	33
	 	 Section 4.02.	 	Maintenance of Office or Agency	 	34
	 	 Section 4.03.	 	Reports	 	34
	 	 Section 4.04.	 	Compliance Certificate	 	35
	 	 Section 4.05.	 	Taxes	 	35
	 	 Section 4.06.	 	Stay, Extension and Usury Laws	 	35
	 	 Section 4.07.	 	Corporate Existence	 	35
	 	 Section 4.08.	 	Payments for Consent	 	36
	 	 Section 4.09.	 	Limitation on Debt and Preferred Stock.	 	36

i

 

	 	 Section 4.10.	 	Limitation on Restricted Payments	 	38
	 	 Section 4.11.	 	Limitation on Liens	 	40
	 	 Section 4.12.	 	Limitation on Asset Sales	 	40
	 	 Section 4.13.	 	Limitation on Restrictions on Distributions from Restricted Subsidiaries	 	41
	 	 Section 4.14.	 	Limitation on Transactions with Affiliates	 	42
	 	 Section 4.15.	 	Limitation on Layered Debt	 	43
	 	 Section 4.16.	 	Designation of Restricted and Unrestricted Subsidiaries	 	43
	 	 Section 4.17.	 	Future Subsidiary Guarantors	 	44
	 	 Section 4.18.	 	Repurchase at the Option of Holders Upon a Change of Control Offer	 	45
	 	 Section 4.19.	 	Additional Amounts.	 	45
	 	 Section 4.20.	 	Covenant Termination.	 	47
	 ARTICLE 5.    SUCCESSORS	 	47
	 	 Section 5.01.	 	Merger, Consolidation and Sale of Assets	 	47
	 	 Section 5.02.	 	Successor Corporation Substituted	 	48
	 ARTICLE 6.    DEFAULTS AND REMEDIES	 	48
	 	 Section 6.01.	 	Events of Default	 	48
	 	 Section 6.02.	 	Acceleration	 	50
	 	 Section 6.03.	 	Other Remedies	 	50
	 	 Section 6.04.	 	Waiver of Defaults	 	50
	 	 Section 6.05.	 	Control by Majority	 	51
	 	 Section 6.06.	 	Limitation on Suits	 	51
	 	 Section 6.07.	 	Rights of Holders to Receive Payment	 	51
	 	 Section 6.08.	 	Collection Suit by Trustee	 	51
	 	 Section 6.09.	 	Trustee May File Proofs of Claim	 	52
	 	 Section 6.10.	 	Priorities	 	52
	 	 Section 6.11.	 	Undertaking for Costs	 	52
	 	 Section 6.12.	 	Restorations of Rights and Remedies.	 	53
	 	 Section 6.13.	 	Delay or Omission Not Waiver.	 	53
	 ARTICLE 7.    LEGAL DEFEASANCE AND COVENANT DEFEASANCE	 	53
	 	 Section 7.01.	 	Option to Effect Legal Defeasance or Covenant Defeasance	 	53
	 	 Section 7.02.	 	Legal Defeasance and Discharge	 	53
	 	 Section 7.03.	 	Covenant Defeasance	 	54
	 	 Section 7.04.	 	Conditions to Legal or Covenant Defeasance	 	54
	 ARTICLE 8.    AMENDMENT, SUPPLEMENT AND WAIVER	 	55

ii

 

	 	 Section 8.01.	 	Without Consent of Holders of Notes	 	55
	 	 Section 8.02.	 	With Consent of Holders of Notes	 	56
	 	 Section 8.03.	 	Execution of Supplemental Indentures	 	57
	 	 Section 8.04.	 	Effect of Supplemental Indentures	 	57
	 	 Section 8.05.	 	Compliance with Trust Indenture Act	 	57
	 	 Section 8.06.	 	Revocation and Effect of Consents	 	57
	 	 Section 8.07.	 	Notation on or Exchange of Notes	 	58
	 	 Section 8.08.	 	Trustee to Sign Amendments, etc.	 	58
	 ARTICLE 9.    SATISFACTION AND DISCHARGE	 	58
	 	 Section 9.01.	 	Satisfaction and Discharge	 	58
	 	 Section 9.02.	 	Deposited Cash and U.S. Government Securities to be Held in Trust; Other Miscellaneous Provisions	 	59
	 	 Section 9.03.	 	Repayment to Company	 	59
	 	 Section 9.04	 	Reinstatement	 	60
	 ARTICLE 10.    SUBORDINATION	 	60
	 	 Section 10.01.	 	Agreement to Subordinate	 	60
	 	 Section 10.02.	 	Liquidation, Dissolution, Bankruptcy	 	60
	 	 Section 10.03.	 	Default on Senior Debt	 	61
	 	 Section 10.04.	 	Acceleration of Payment of Securities.	 	61
	 	 Section 10.05.	 	When Distribution Must Be Paid Over.	 	61
	 	 Section 10.06.	 	Subrogation	 	62
	 	 Section 10.07.	 	Relative Rights	 	62
	 	 Section 10.08.	 	Subordination May Not Be Impaired by Company	 	62
	 	 Section 10.09.	 	Rights of Trustee and Paying Agent	 	62
	 	 Section 10.10.	 	Distribution or Notice to Representative	 	62
	 	 Section 10.11.	 	Article 10 Not to Prevent Events of Default or Limit Right to Accelerate	 	63
	 	 Section 10.12.	 	Trust Moneys Not Subordinated	 	63
	 	 Section 10.13.	 	Trustee Entitled to Rely	 	63
	 	 Section 10.14.	 	Trustee to Effectuate Subordination	 	63
	 	 Section 10.15.	 	Trustee Not Fiduciary for Holders of Senior Debt	 	63
	 	 Section 10.16.	 	Reliance by Holders of Senior Debt on Subordination Provisions	 	63
	 	 Section 10.17.	 	Notice to Trustee	 	64
	 ARTICLE 11.    MISCELLANEOUS	 	64
	 	 Section 11.01.	 	Notices.	 	64

iii

 

	 	 Section 11.02.	 	Certificate and Opinion as to Conditions Precedent.	 	65
	 	 Section 11.03.	 	No Personal Liability of Directors, Officers, Employees and Stockholders	 	65
	 	 Section 11.04.	 	Governing Law	 	65
	 	 Section 11.05.	 	No Adverse Interpretation of Other Agreements	 	65
	 	 Section 11.06.	 	Successors	 	65
	 	 Section 11.07.	 	Severability	 	65
	 	 Section 11.08.	 	Consent to Jurisdiction and Service of Process.	 	66
	 	 Section 11.09.	 	Counterpart Originals	 	66
	 	 Section 11.10.	 	Table of Contents, Headings, etc.	 	66
	 	 Section 11.11.	 	Trustee.	 	66

iv

CROSS-REFERENCE TABLE  

	TIA Section Reference 
	 	Indenture Section

	310(a)(1)	 	7.10
	(a)(2)	 	7.10
	(a)(3)	 	N.A.
	(a)(4)	 	N.A.
	(a)(5)	 	7.10
	(b)	 	7.08, 7.10
	(c)	 	N.A.
	311(a)	 	7.11
	(b)	 	7.11
	(c)	 	N.A.
	312(a)	 	2.05
	(b)	 	10.03
	(c)	 	10.03
	313(a)	 	7.06
	(b)(1)	 	N.A.
	(b)(2)	 	7.06, 7.07
	(c)	 	7.06, 10.02
	(d)	 	7.06
	314(a)	 	4.03, 4.04, 10.02
	(b)	 	N.A.
	(c)(1)	 	10.04
	(c)(2)	 	10.04
	(c)(3)	 	N.A.
	(d)	 	N.A.
	(e)	 	10.05
	315(a)	 	7.01
	(b)	 	7.05, 10.02
	(c)	 	7.01
	(d)	 	7.01
	(e)	 	6.11
	316(a) (last sentence)	 	2.09
	(a)(1)(A)	 	6.05
	(a)(1)(B)	 	6.04
	(a)(2)	 	N.A.
	(b)	 	6.07
	317(a)(1)	 	6.08
	(a)(2)	 	6.09
	(b)	 	2.04
	318(a)	 	10.01

N.A.
means Not Applicable. 

Note:
This Cross-Reference Table shall not, for any purpose, be deemed to be part of this Third Supplemental Indenture. 

QuickLinks

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