Document:

exv10w2

Exhibit 10.2

EXECUTION COPY

NOTE PURCHASE AGREEMENT

     This Note Purchase Agreement (the “Agreement”) is entered into, effective as of July 9, 2009,
between EPIX Pharmaceuticals, Inc. (the “Company”) and Loomis, Sayles & Company, L.P. (“Holder”).

RECITALS

          A. Holder is the beneficial owner of, or the investment adviser or manager for the beneficial
owners of, an aggregate of $215,000 original principal amount of the Company’s 3.00% Convertible
Senior Notes due June 15, 2024, CUSIP 26881QAB7 in the form of beneficial interests in a global
note held by the Depository Trust Company (“DTC”) plus accrued but unpaid interest thereon (the
“Notes”).

          B. The Company wishes to purchase from Holder, and Holder wishes to sell to the Company, the
Notes for $74,413.65 in cash (the “Cash Consideration”).

          C. In consideration of the premises and the mutual covenants and undertakings set forth
herein, and for other good and valuable consideration, the receipt and sufficiency of which is
hereby acknowledged, the parties hereby agree as follows:

AGREEMENT

          1. Purchase of Notes.

     (a) Upon the third trading day following the date of this Agreement (the “Closing”),
Holder will transfer and deliver (or cause to be delivered) the Notes to the Company via
electronic delivery and write-down of Holder’s position in the Notes at DTC.

     (b) On Closing, the Company will deliver (or cause to be delivered) to the Holder the
Cash Consideration to Holder’s bank account as identified on Exhibit A in exchange
for the Notes plus all claims arising out of or relating to the Notes, including but not
limited to any accrued but unpaid interest thereon.

     (c) The Company and Holder agree that the issuance of the Cash Consideration in
exchange for the Notes constitutes satisfaction in full of any and all amounts (including
without limitation principal, interest and any other fees) owed by the Company to Holder in
connection with the Notes.

          2. Mutual Representations, Warranties and Covenants. The Company represents and
warrants to Holder, and Holder represents and warrants to the Company as follows:

 

 

     (a) it is duly organized, validly existing and in good standing under the laws of the
jurisdiction of its organization and has all requisite corporate, partnership or other power
and authority to enter into this Agreement and to carry out the transactions contemplated
hereby, and perform its respective obligations hereunder;

     (b) the execution, delivery and performance by it of this Agreement does not and shall
not (A) violate any provision of law, order, rule or regulation applicable to it or any of
its affiliates or its certificate of incorporation or bylaws or other organizational
documents or those of any of its subsidiaries or (B) conflict with, result in the breach of
or constitute (with due notice or lapse of time or both) a default under any material
contractual obligations to which it or any of its affiliates is a party or under its
certificate of incorporation, bylaws or other governing instruments;

     (c) the execution, delivery and performance by it of this Agreement does not and shall
not require any registration or filing with, the consent or approval of, notice to, or any
other action with respect to, any Federal, state or other governmental authority or
regulatory body, except for such filings as may be necessary or required by the Securities
and Exchange Commission;

     (d) this Agreement has been duly authorized, executed and delivered and, assuming the
due execution and delivery of this Agreement by the other party hereto, this Agreement is
the legally valid and binding obligation of it, enforceable against it in accordance with
its terms, except as enforceability may be limited or affected by applicable bankruptcy,
insolvency, moratorium, reorganization or other laws of general application relating to or
affecting creditors’ rights generally; and

     (e) it has been represented by counsel in connection with this Agreement and the
transactions contemplated hereby.

          3. Representations, Warranties and Covenants of Holder. Holder further represents
and warrants to the Company as follows:

     (a) Holder is the beneficial owner of, or the investment adviser or manager for the
beneficial owners of, the Notes, which represents all of the Notes held by Holder, with the
requisite power and authority to vote and dispose of the Notes, such Notes are owned free
and clear of any liens, encumbrances, equities or claims and the delivery of the Notes in
accordance with this Agreement will convey to the Company good title to the Notes, free and
clear of liens, claims, equities and encumbrances; and

     (b) Holder has not previously sold, assigned, conveyed, transferred or otherwise
disposed of, in whole or in part, the Notes to be sold by Holder hereunder, nor has Holder
entered into any agreement to sell, assign, convey, transfer or otherwise dispose of, in
whole or in part, such Notes.

          4. Conditions to Parties’ Obligations. The obligations of each party hereunder at the
Closing are subject to the satisfaction of each of the following conditions, provided that these

 

 

conditions are for the sole benefit of such party and may be waived by such party at any time in
its sole discretion by providing the other party with prior written notice thereof:

     (a) the other party shall have executed this Agreement and delivered the same to such
party; and

     (b) the representations and warranties of the other party in this Agreement shall be
true and correct as of the date when made and as of the date of the Closing as though made
at that time.

          5. Notices. All notices, requests, demands, claims and other communications hereunder
shall be in writing and shall be (a) transmitted by hand delivery, (b) mailed by first class,
registered or certified mail, postage prepaid, (c) transmitted by overnight courier, or (d)
transmitted by telecopy, and in each case, if to Holder, to the address set forth on the signature
pages to this Agreement and, if to the Company, at the address set forth below:

EPIX Pharmaceuticals, Inc.

4 Maguire Road

Lexington, MA 02421

Attention: Chief Financial Officer

Facsimile: (781) 761-7632

Telephone: (781) 761-7600

with a copy to:

Goodwin Procter llp

Exchange Place

53 State Street

Boston, MA 02109

Facsimile: (617) 523-1231

Telephone: (617) 570-1000

Attention: Edward A. King, Esq.

Notices mailed or transmitted in accordance with the foregoing shall be deemed to have been given
upon receipt.

          6. Release. In connection with the transactions contemplated herein, and upon
consummation thereof, the Holder shall, at such time, release any and all claims against the
Company and its affiliates in respect of the Notes.

          7. Fees and Expenses. Each party shall pay the fees and expenses of its advisers,
counsel, accountants and other experts, if any, and all other expenses incurred by such party
incident to the negotiation, preparation, execution, delivery and performance of this Agreement.

          8. Governing Law. This Agreement shall be governed by and construed in accordance
with the laws of the State of New York, without giving effect to the principles of

 

 

conflicts of law thereof. Each party hereby irrevocably submits to the exclusive jurisdiction
of the state and federal courts sitting in The City of New York, Borough of Manhattan, for the
adjudication of any dispute hereunder or in connection herewith or with any transaction
contemplated hereby or discussed herein, and hereby irrevocably waives, and agrees not to assert in
any suit, action or proceeding, any claim that it is not personally subject to the jurisdiction of
any such court, that such suit, action or proceeding is brought in an inconvenient forum or that
the venue of such suit, action or proceeding is improper. Each party hereby irrevocably waives
personal service of process and consents to process being served in any such suit, action or
proceeding by mailing a copy thereof to such party at the address for such notices to it under this
Agreement and agrees that such service shall constitute good and sufficient service of process and
notice thereof. Nothing contained herein shall be deemed to limit in any way any right to serve
process in any manner permitted by law. EACH PARTY HEREBY IRREVOCABLY WAIVES ANY RIGHT IT MAY HAVE,
AND AGREES NOT TO REQUEST, A JURY TRIAL FOR THE ADJUDICATION OF ANY DISPUTE HEREUNDER OR IN
CONNECTION WITH OR ARISING OUT OF THIS AGREEMENT OR ANY TRANSACTION CONTEMPLATED HEREBY.

          9. Entire Agreement. This Agreement constitutes the entire agreement among the parties
pertaining to the purchase of the Notes as contemplated herein and supersedes the parties’ prior
agreements, understandings, negotiations and discussions, whether oral or written, on such matters,
and this Agreement shall not be amended, changed, supplemented, waived or otherwise modified or
terminated except by instrument in writing signed by each of the parties hereto.

          10. Miscellaneous. This Agreement is intended to bind and inure to the benefit of the
signatories to this Agreement and their respective successors, permitted assigns, heirs, executors,
administrators and representatives. This Agreement may be executed in one or more counterparts,
each of which shall be deemed an original and all of which shall constitute one and the same
agreement. Delivery of an executed counterpart of a signature page by facsimile shall be as
effective as delivery of a manually executed counterpart. In the event that any one or more of the
provisions contained herein, or the application thereof in any circumstance, is held invalid,
illegal or unenforceable, the validity, legality and enforceability of any such provision in every
other respect and of the remaining provisions contained herein shall not be affected or impaired
thereby. This Agreement shall be solely for the benefit of the signatories to this Agreement, and
no other person or entity shall be a third-party beneficiary hereof.

[Remainder of Page Intentionally Left Blank]

 

 

     IN WITNESS WHEREOF, each of the parties has caused this Agreement to be duly executed on its
behalf as of the date first written above.

	 	 	 	 	 
	EPIX PHARMACEUTICALS, INC.	 	 
	 
	 	 	 	 
	By: 

Name:

	 	/s/ Kim Cobleigh Drapkin
 

Kim Cobleigh Drapkin
	 	 
	Title:

	 	Chief Financial Officer	 	 

LOOMIS, SAYLES & COMPANY, L.P.

	 	 	 	 	 
	By:

	 	/s/ Thomas H. Day
 

	 	 
	Name:

	 	Thomas H. Day
 

	 	 
	Title:

	 	Assistant General Counsel
 

	 	 

			
	Address:	 	One Financial Center
Boston MA 02111exv4w2

Exhibit 4.2

URANERZ ENERGY CORPORATION

as Issuer,

 

COMPUTERSHARE TRUST COMPANY, N.A.

as U.S. Trustee

and

COMPUTERSHARE TRUST COMPANY OF CANADA,

as Canadian Trustee

 

INDENTURE

Dated as of •

 

 

 

TABLE OF CONTENTS

	 	 	 	 	 
	ARTICLE ONE DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION
	 	 	1	 
	Section 1.01 Definitions
	 	 	1	 
	Section 1.02 Compliance Certificates and Opinions
	 	 	13	 
	Section 1.03 Form of Documents Delivered to Trustees
	 	 	14	 
	Section 1.04 Acts of Holders
	 	 	15	 
	Section 1.05 Notices, etc. to Trustees and Company
	 	 	16	 
	Section 1.06 Notice to Holders; Waiver
	 	 	17	 
	Section 1.07 Effect of Headings and Table of Contents
	 	 	18	 
	Section 1.08 Successors and Assigns
	 	 	18	 
	Section 1.09 Severability Clause
	 	 	18	 
	Section 1.10 Benefits of Indenture
	 	 	18	 
	Section 1.11 Governing Law
	 	 	19	 
	Section 1.12 Legal Holidays
	 	 	19	 
	Section 1.13 Agent for Service; Submission to Jurisdiction; Waiver of Immunities
	 	 	19	 
	Section 1.14 Conversion of Currency
	 	 	20	 
	Section 1.15 Currency Equivalent
	 	 	21	 
	Section 1.16 Conflict with Trust Indenture Legislation
	 	 	21	 
	Section 1.17 Incorporators, Shareholders, Officers and Directors of the Company Exempt from Individual Liability
	 	 	22	 
	 
	 	 	 	 
	ARTICLE TWO SECURITIES FORMS
	 	 	22	 
	Section 2.01 Forms Generally
	 	 	22	 
	Section 2.02 Form of Trustee’s Certificate of Authentication
	 	 	23	 
	Section 2.03 Securities Issuable in Global Form
	 	 	23	 
	 
	 	 	 	 
	ARTICLE THREE THE SECURITIES
	 	 	24	 
	Section 3.01 Amount Unlimited; Issuable in Series
	 	 	24	 
	Section 3.02 Denominations
	 	 	28	 
	Section 3.03 Execution, Authentication, Delivery and Dating
	 	 	29	 
	Section 3.04 Temporary Securities
	 	 	31	 
	Section 3.05 Registration, Registration of Transfer and Exchange
	 	 	33	 
	Section 3.06 Mutilated, Destroyed, Lost and Stolen Securities
	 	 	38	 
	Section 3.07 Payment of Principal; Premium; Interest; Interest Rights Preserved; Optional Interest Reset
	 	 	39	 
	Section 3.08 Optional Extension of Stated Maturity
	 	 	41	 
	Section 3.09 Persons Deemed Owners
	 	 	42	 
	Section 3.10 Cancellation
	 	 	43	 
	Section 3.11 Computation of Interest
	 	 	43	 
	Section 3.12 Currency and Manner of Payments in Respect of Securities
	 	 	44	 
	Section 3.13 Appointment and Resignation of Successor Exchange Rate Agent
	 	 	47	 

- i -

 

	 	 	 	 	 
	ARTICLE FOUR SATISFACTION AND DISCHARGE
	 	 	47	 
	Section 4.01 Satisfaction and Discharge of Indenture
	 	 	47	 
	Section 4.02 Application of Trust Money
	 	 	49	 
	 
	 	 	 	 
	ARTICLE FIVE SUBORDINATION OF THE SECURITIES
	 	 	49	 
	Section 5.01 Agreement to Subordinate
	 	 	49	 
	Section 5.02 Distribution on Insolvency or Winding-Up
	 	 	49	 
	Section 5.03 Subrogation of the Securities
	 	 	50	 
	Section 5.04 No Payment to Holders if Senior Indebtedness Due or in Default or Commencement of Proceedings
	 	 	51	 
	Section 5.05 Payment of Securities Permitted
	 	 	52	 
	Section 5.06 Subordination Not to be Impaired
	 	 	52	 
	Section 5.07 Obligations Created by Article 5
	 	 	52	 
	Section 5.08 No Set-Off
	 	 	53	 
	Section 5.09 Amendments to Article 5
	 	 	53	 
	Section 5.10 Authorization to Trustees to Effect Subordination
	 	 	53	 
	 
	 	 	 	 
	ARTICLE SIX REMEDIES
	 	 	54	 
	Section 6.01 Events of Default
	 	 	54	 
	Section 6.02 Acceleration of Maturity; Rescission and Annulment
	 	 	56	 
	Section 6.03 Collection of Debt and Suits for Enforcement by Trustees
	 	 	57	 
	Section 6.04 Trustees May File Proofs of Claim
	 	 	57	 
	Section 6.05 Trustees May Enforce Claims Without Possession of Securities
	 	 	58	 
	Section 6.06 Application of Money Collected
	 	 	58	 
	Section 6.07 Limitation on Suits
	 	 	59	 
	Section 6.08 Unconditional Right of Holders to Receive Principal, Premium and Interest
	 	 	60	 
	Section 6.09 Restoration of Rights and Remedies
	 	 	60	 
	Section 6.10 Rights and Remedies Cumulative
	 	 	60	 
	Section 6.11 Delay or Omission Not Waiver
	 	 	60	 
	Section 6.12 Control by Holders
	 	 	61	 
	Section 6.13 Waiver of Past Defaults
	 	 	61	 
	Section 6.14 Waiver of Stay or Extension Laws
	 	 	61	 
	Section 6.15 Undertaking for Costs
	 	 	62	 
	 
	 	 	 	 
	ARTICLE SEVEN THE TRUSTEES
	 	 	62	 
	Section 7.01 Notice of Defaults
	 	 	62	 
	Section 7.02 Certain Duties and Responsibilities of Trustees
	 	 	62	 
	Section 7.03 Certain Rights of Trustees
	 	 	64	 
	Section 7.04 Trustees Not Responsible for Recitals or Issuance of Securities
	 	 	65	 
	Section 7.05 May Hold Securities
	 	 	65	 
	Section 7.06 Money Held in Trust
	 	 	65	 
	Section 7.07 Compensation and Reimbursement
	 	 	65	 
	Section 7.08 Corporate Trustees Required; Eligibility
	 	 	66	 
	Section 7.09 Resignation and Removal; Appointment of Successor
	 	 	67	 
	Section 7.10 Acceptance of Appointment by Successor
	 	 	69	 
	Section 7.11 Merger, Conversion, Consolidation or Succession to Business
	 	 	70	 
	Section 7.12 Appointment of Authenticating Agent
	 	 	71	 

- ii -

 

	 	 	 	 	 
	Section 7.13 Joint Trustees
	 	 	72	 
	Section 7.14 Other Rights of Trustees
	 	 	73	 
	Section 7.15 Third Party Interests
	 	 	75	 
	 
	 	 	 	 
	ARTICLE EIGHT HOLDERS’ LISTS AND REPORTS BY TRUSTEE AND COMPANY
	 	 	75	 
	Section 8.01 Company to Furnish Trustee Names and Addresses of Holders
	 	 	75	 
	Section 8.02 Preservation of List of Names and Addresses of Holders
	 	 	75	 
	Section 8.03 Disclosure of Names and Addresses of Holders
	 	 	75	 
	Section 8.04 Reports by Trustees
	 	 	76	 
	Section 8.05 Reports by the Company
	 	 	76	 
	 
	 	 	 	 
	ARTICLE NINE CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE
	 	 	77	 
	Section 9.01 Company May Consolidate, etc., only on Certain Terms
	 	 	77	 
	Section 9.02 Successor Person Substituted
	 	 	77	 
	 
	 	 	 	 
	ARTICLE TEN SUPPLEMENTAL INDENTURES
	 	 	78	 
	Section 10.01 Supplemental Indentures Without Consent of Holders
	 	 	78	 
	Section 10.02 Supplemental Indentures with Consent of Holders
	 	 	79	 
	Section 10.03 Execution of Supplemental Indentures
	 	 	80	 
	Section 10.04 Effect of Supplemental Indentures
	 	 	81	 
	Section 10.05 Conformity with Trust Indenture Legislation
	 	 	81	 
	Section 10.06 Reference in Securities to Supplemental Indentures
	 	 	81	 
	Section 10.07 Notice of Supplemental Indentures
	 	 	81	 
	 
	 	 	 	 
	ARTICLE ELEVEN COVENANTS
	 	 	81	 
	Section 11.01 Payment of Principal, Premium, if any, and Interest
	 	 	81	 
	Section 11.02 Maintenance of Office or Agency
	 	 	81	 
	Section 11.03 Money for Securities Payments to Be Held in Trust
	 	 	83	 
	Section 11.04 Statement as to Compliance
	 	 	85	 
	Section 11.05 Additional Amounts
	 	 	85	 
	Section 11.06 Payment of Taxes and Other Claims
	 	 	86	 
	Section 11.07 Corporate Existence
	 	 	87	 
	Section 11.08 Waiver of Certain Covenants
	 	 	87	 
	 
	 	 	 	 
	ARTICLE TWELVE REDEMPTION OF SECURITIES
	 	 	87	 
	Section 12.01 Applicability of Article
	 	 	87	 
	Section 12.02 Election to Redeem; Notice to Trustees
	 	 	87	 
	Section 12.03 Selection by Trustees of Securities to Be Redeemed
	 	 	88	 
	Section 12.04 Notice of Redemption
	 	 	88	 
	Section 12.05 Deposit of Redemption Price
	 	 	89	 
	Section 12.06 Securities Payable on Redemption Date
	 	 	89	 
	Section 12.07 Securities Redeemed in Part
	 	 	90	 
	Section 12.08 Tax Redemption
	 	 	91	 
	 
	 	 	 	 
	ARTICLE THIRTEEN SINKING FUNDS
	 	 	91	 
	Section 13.01 Applicability of Article
	 	 	91	 
	Section 13.02 Satisfaction of Sinking Fund Payments with Securities
	 	 	92	 
	Section 13.03 Redemption of Securities for Sinking Fund
	 	 	92	 

- iii -

 

	 	 	 	 	 
	ARTICLE FOURTEEN REPAYMENT AT OPTION OF HOLDERS
	 	 	93	 
	Section 14.01 Applicability of Article
	 	 	93	 
	Section 14.02 Repayment of Securities
	 	 	93	 
	Section 14.03 Exercise of Option
	 	 	94	 
	Section 14.04 When Securities Presented for Repayment Become Due and Payable
	 	 	94	 
	Section 14.05 Securities Repaid in Part
	 	 	95	 
	 
	 	 	 	 
	ARTICLE FIFTEEN DEFEASANCE AND COVENANT DEFEASANCE
	 	 	95	 
	Section 15.01 Company’s Option to Effect Defeasance or Covenant Defeasance
	 	 	95	 
	Section 15.02 Defeasance and Discharge
	 	 	95	 
	Section 15.03 Covenant Defeasance
	 	 	96	 
	Section 15.04 Conditions to Defeasance or Covenant Defeasance
	 	 	96	 
	Section 15.05 Deposited Money and Government Obligations to Be Held in Trust; Other Miscellaneous Provisions
	 	 	98	 
	Section 15.06 Reinstatement
	 	 	99	 
	 
	 	 	 	 
	ARTICLE SIXTEEN MEETINGS OF HOLDERS OF SECURITIES
	 	 	100	 
	Section 16.01 Purposes for Which Meetings May Be Called
	 	 	100	 
	Section 16.02 Call, Notice and Place of Meetings
	 	 	100	 
	Section 16.03 Persons Entitled to Vote at Meetings
	 	 	100	 
	Section 16.04 Quorum; Action
	 	 	101	 
	Section 16.05 Determination of Voting Rights; Conduct and Adjournment of Meetings
	 	 	102	 
	Section 16.06 Counting Votes and Recording Action of Meetings
	 	 	103	 
	Section 16.07 Waiver of Jury Trial
	 	 	103	 
	Section 16.08 Counterparts
	 	 	103	 

- iv - 

 

CROSS-REFERENCE TABLE

	 	 	 	 	 
	TIA	 	 	Indenture
	Section	 	 	Section
	 	310(a 	)(1)	 	6.08(a)

	 	(a	)(2)	 	6.08(a)

	 	(b	)	 	6.09

	 	(c	)	 	Not Applicable

	 	311(a 	)	 	6.05

	 	(b	)	 	6.05

	 	(c	)	 	Not Applicable

	 	312(a 	)	 	7.05

	 	(b	)	 	7.03

	 	(c	)	 	7.03

	 	313(a 	)	 	7.04

	 	(b	)	 	7.04

	 	(c	)	 	7.04

	 	(d	)	 	7.05

	 	314(a 	)	 	7.05

	 	(a	)(4)	 	10.04

	 	(b	)	 	Not Applicable

	 	(c	)(1)	 	1.02

	 	(c	)(2)	 	1.02

	 	(d	)	 	Not Applicable

	 	(e	)	 	1.02

	 	(f	)	 	Not Applicable

	 	315(a 	)	 	6.02

	 	(b	)	 	6.01

	 	(c	)	 	6.02

	 	(d	)	 	6.02

	 	(e	)	 	5.15

	 	316 (a	)(last sentence) 	 	1.01 (“Outstanding”)

	 	(a	)(1)(A)	 	5.12

	 	(a	)(1)(B)	 	5.02, 5.13

	 	(a	)(2)	 	Not Applicable

	 	(b	)	 	5.08

	 	(c	)	 	1.04(e)

	 	317(a 	)(1)	 	5.03

	 	(a	)(2)	 	5.04

	 	(b	)	 	10.03

	 	318(a 	)	 	1.16

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

v

 

URANERZ ENERGY CORPORATION

FORM OF INDENTURE

     INDENTURE, dated as of                                         , between URANERZ ENERGY CORPORATION, a corporation
duly existing under the laws of Nevada (herein called the “Company”), having its principal office
at 1701 East “E” Street, PO Box 50850, Casper, Wyoming 82605-0850 and Computershare Trust Company,
N.A., a trust company, organized under the laws of the United States, as U.S. trustee (herein
called the “U.S. Trustee”), and Computershare Trust Company of Canada, a trust company duly
organized and existing under the laws of Canada, as Canadian trustee (the “Canadian Trustee” and,
together with the U.S. Trustee, the “Trustees”).

RECITALS OF THE COMPANY

     The Company has duly authorized the execution and delivery of this Indenture to provide for
the issuance from time to time of its unsecured debentures, notes or other evidences of
indebtedness (herein called the “Securities”), which may be convertible into or exchangeable for
any securities of any person (including the Company), to be issued in one or more series as in this
Indenture provided.

     This Indenture is subject to the provisions of Trust Indenture Legislation (as defined below)
that are required to be part of this Indenture and shall, to the extent applicable, be governed by
such provisions.

     All things necessary to make this Indenture a valid agreement of the Company, in accordance
with its terms, have been done.

NOW, THEREFORE, THIS INDENTURE WITNESSETH:

     For and in consideration of the premises and the purchase of the Securities by the Holders (as
defined below) thereof, it is mutually covenanted and agreed, for the equal and proportionate
benefit of all Holders of the Securities or of series thereof, as follows:

ARTICLE ONE

DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

Section 1.01 Definitions

     For all purposes of this Indenture, except as otherwise expressly provided or unless the
context otherwise requires:

	 	(1)	 	the terms defined in this Article have the meanings assigned to them in this
Article and include the plural as well as the singular;
	 
	 	(2)	 	all other terms used herein which are defined in the Trust Indenture Act,
either directly or by reference therein, have the meanings assigned to them therein,
and the terms “cash transaction” and “self-liquidating paper”, as used in Section 311

- 1 -

 

	 	 	 	of the Trust Indenture Act, shall have the meanings assigned to them in the rules of
the Commission adopted under the Trust Indenture Act;
	 
	 	(3)	 	all accounting terms not otherwise defined herein have the meanings assigned to
them in accordance with United States generally accepted accounting principles, and,
except as otherwise herein expressly provided, the term “generally accepted accounting
principles” with respect to any computation required or permitted hereunder shall mean
such accounting principles as are generally accepted in the United States at the date
of such computation;
	 
	 	(4)	 	the words “herein”, “hereof” and “hereunder” and other words of similar import
refer to this Indenture as a whole and not to any particular Article, Section or other
subdivision;
	 
	 	(5)	 	“or” is not exclusive;
	 
	 	(6)	 	words implying any gender shall apply to all genders; and
	 
	 	(7)	 	the words Subsection, Section and Article refer to the Subsections, Sections
and Articles, respectively, of this Indenture unless otherwise noted.

     (8) “include”, “includes” or “including” means include, includes or including, in each case,
without limitation.

     Certain terms, used principally in Article Three, are defined in that Article.

     “accelerated indebtedness” has the meaning specified in Section 6.01.

     “Act”, when used with respect to any Holder, has the meaning specified in Section 1.04.

     “Additional Amounts” has the meaning specified in Section 11.05.

     “Affiliate” of any specified Person means any other Person directly or indirectly controlling
or controlled by or under direct or indirect common control with such specified Person. For the
purposes of this definition, “control” when used with respect to any specified 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.

     “Appropriate Trustee” means, with respect to the Canadian Securities, the Canadian Trustee,
and with respect to the U.S. Securities, the U.S. Trustee.

     “Authenticating Agent” means any Person authorized by either Trustee pursuant to Section 7.12
to act on behalf of such Trustee to authenticate Securities.

     “Authorized Newspaper” means a newspaper, in the English language or in an official language
of the country of publication, customarily published on each Business Day, and of general
circulation in each place in connection with which the term is used or in the financial

- 2 -

 

community of each such place. Where successive publications are required to be made in
Authorized Newspapers, the successive publications may be made in the same or in different
newspapers in the same city meeting the foregoing requirements and in each case on any Business
Day.

     “Base Currency” has the meaning specified in Section 1.14.

     “Bearer Security” means any Security except a Registered Security.

     “Board of Directors” means either the board of directors of the Company or any duly authorized
committee of such board.

     “Board Resolution” means a copy of a resolution certified by the Chief Financial Officer or
the Corporate Secretary of the Company to have been duly adopted by the Board of Directors and to
be in full force and effect on the date of such certification, and delivered to the Trustees.

     “Branch Register” has the meaning specified in Section 3.05.

     “Branch Security Registrar” has the meaning specified in Section 3.05.

     “Business Day”, when used with respect to any Place of Payment or any other particular
location referred to in this Indenture or in the Securities, means, unless otherwise specified with
respect to any Securities pursuant to Section 3.01, any day other than Saturday, Sunday or any
other day on which the offices of the Trustees are closed.

     “calculation period” has the meaning specified in Section 3.11.

     “Canadian Securities Authorities” means the securities commissions or similar authorities in
Canada.

     “Canadian Taxes” has the meaning specified in Section 11.05.

     “Canadian Trustee” means the Person named as the “Canadian Trustee” in the first paragraph of
this Indenture until a successor Canadian Trustee shall have become such pursuant to the applicable
provisions of this Indenture, and thereafter “Canadian Trustee” shall mean or include each Person
who is then a Canadian Trustee hereunder; provided, however, that if at any time
there is more than one such Person, “Canadian Trustee” as used with respect to the Securities of
any series shall mean only the Canadian Trustee with respect to Securities of that series.

     “Capital Lease Obligation” means the obligation of a Person, as lessee, to pay rent or other
amounts to the lessor under a lease of real or personal property which is required to be classified
and accounted for as a capital lease on a consolidated balance sheet of such person in accordance
with GAAP.

     “Capital Stock” in any Person means any and all shares, interests, partnership interests,
participations or other equivalents however designated in the equity interest in such Person and

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any rights (other than debt securities convertible into an equity interest), warrants or
options to acquire any equity interest in such Person.

     “Central Register” has the meaning specified in Section 3.05.

     “Central Security Registrar” has the meaning specified in Section 3.05.

     “Commission” means the U.S. Securities and Exchange Commission, as from time to time
constituted, created under the Exchange Act, or, if at any time after the execution of this
Indenture such Commission is not existing and performing the duties now assigned to it under the
Trust Indenture Act, then the body performing such duties at such time.

     “Common Depositary” has the meaning specified in Section 3.04.

     “Company” means the Person named as the “Company” in the first paragraph of this Indenture
until a successor Person shall have become such pursuant to the applicable provisions of this
Indenture, and thereafter “Company” shall mean such successor Person.

     “Company Request” or “Company Order” means a written request or order signed in the name of
the Company by the Executive Chairman of the Board of Directors, the President, the Chief Executive
Officer, or the Chief Operating Officer, or if two or more persons share such office any one of
such persons, and by the Chief Financial Officer or the Corporate Secretary of the Company, or if
two or more persons share such office any one of such persons, and delivered to the Trustees.

     “Component Currency” has the meaning specified in Section 3.12(h).

     “Conversion Date” has the meaning specified in Section 3.12(d).

     “Conversion Event” means the cessation of use of (i) a Foreign Currency (other than the Euro
or other currency unit both by the government of the country which issued such Currency and by a
central bank or other public institution of or within the international banking community for the
settlement of transactions, (ii) the Euro or (iii) any currency unit (or composite currency) other
than the Euro for the purposes for which it was established.

     “Corporate Trust Office” means the principal corporate trust office of the U.S. Trustee or the
Canadian Trustee, as applicable, or the principal corporate trust office of any successor Trustee,
at which at any particular time its corporate trust business may be administered, such an office on
the date of execution of this Indenture of the U.S. Trustee is located at 350 Indiana St., Suite
750, Golden, CO, 80401, Attention: Corporate Trust Department, Facsimile No. • and of the Canadian
Trustee is located at 510 Burrard Street, 3rd Floor, Vancouver, British Columbia, V6C
3B9, Attention: General Manager, Corporate Trust, Facsimile No. •, except that with respect to
presentation of Securities for payment or for registration of transfer or exchange, such term shall
mean the office or agency of the U.S. Trustee or the Canadian Trustee, as applicable, designated in
writing to the Company at which, at any particular time, its corporate agency business shall be
conducted.

     “corporation” includes corporations, associations, companies and business trusts.

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     “coupon” means any interest coupon appertaining to a Bearer Security.

     “covenant defeasance” has the meaning specified in Section 15.03.

     “Currency” means any currency or currencies, composite currency or currency unit or currency
units, including, without limitation, the Euro, issued by the government of one or more countries
or by any recognized confederation or association of such governments.

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

     “Defaulted Interest” has the meaning specified in Section 3.07.

     “defeasance” has the meaning specified in Section 15.02.

     “Depositary “ means, with respect to the Securities of any series issuable or issued in the
form of one or more Registered Securities, the Depositary Trust Company, or any successor thereto,
or any other Person designated as Depositary by the Company pursuant to Section 3.05 until a
successor Depositary shall have become such pursuant to the applicable provisions of this
Indenture, and thereafter “Depositary” shall mean or include each Person who is then a Depositary
hereunder, and, if at any time there is more than one such Person, “Depositary” as used with
respect to the Securities of any such series shall mean the Depositary with respect to the
Registered Securities of that series.

     “Dollar” or “$” means a dollar or other equivalent unit in such coin or currency of the United
States of America as at the time shall be legal tender for the payment of public and private debts.

     “Dollar Equivalent of the Currency Unit” has the meaning specified in Section 3.12(g).

     “Dollar Equivalent of the Foreign Currency” has the meaning specified in Section 3.12(f).

     “Election Date” has the meaning specified in Section 3.12(h).

     “Euro” means the single currency of the participating member states from time to time of the
European Union described in legislation of the European Counsel for the operation of a single
unified European currency (whether known as the Euro or otherwise).

     “Event of Default” has the meaning specified in Section 6.01.

     “Exchange Act” means the United States Securities Exchange Act of 1934, as amended.

     “Exchange Date” has the meaning specified in Section 3.04.

     “Exchange Rate Agent” means, with respect to Securities of or within any series, unless
otherwise specified with respect to any Securities pursuant to Section 3.01, a New York clearing
house bank, designated pursuant to Section 3.01 or Section 3.13.

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     “Exchange Rate Officers’ Certificate” means a certificate setting forth (i) the applicable
Market Exchange Rate and (ii) the Dollar or Foreign Currency amounts of principal (and premium, if
any) and interest, if any (on an aggregate basis and on the basis of a Security having the lowest
denomination principal amount determined in accordance with Section 3.02 below in the relevant
Currency), payable with respect to a Security of any series on the basis of such Market Exchange
Rate, signed by the Chief Executive Officer, President or Chief Financial Officer of the Company.

     “Exchanges” means the NYSE Amex, the Toronto Stock Exchange, the Frankfurt Stock Exchange and
any other securities exchange or automated quotation system upon which the Securities are or become
listed or quoted.

     “Excluded Holder” has the meaning specified in Section 11.05.

     “Extension Notice” has the meaning specified in Section 3.08.

     “Extension Period” has the meaning specified in Section 3.08.

     “Final Maturity” has the meaning specified in Section 3.08.

     “First Currency” has the meaning specified in Section 1.15.

     “Foreign Currency” means any Currency other than Currency of the United States.

     “GAAP” means generally accepted accounting principles in the United States in effect from time
to time.

     “Government Obligations” means, unless otherwise specified with respect to any series of
Securities pursuant to Section 3.01, securities which are (i) direct obligations of the government
which issued the Currency in which the Securities of a particular series are payable or (ii)
obligations of a Person controlled or supervised by and acting as an agency or instrumentality of
the government which issued the Currency in which the Securities of such series are payable, the
payment of which is unconditionally guaranteed by such government, which, in either case, are full
faith and credit obligations of such government payable in such Currency and are not callable or
redeemable at the option of the issuer thereof and shall also include a depositary receipt issued
by a bank or trust company as custodian with respect to any such Government Obligation or a
specific payment of interest on or principal of any such Government Obligation held by such
custodian for the account of the holder of a depositary receipt; provided that (except as
required by law) such custodian is not authorized to make any deduction from the amount payable to
the holder of such depositary receipt from any amount received by the custodian in respect of the
Government Obligation or the specific payment of interest or principal of the Government Obligation
evidenced by such depositary receipt.

     “Holder” means, in the case of a Registered Security, the Person in whose name a Security is
registered in the Security Register and, in the case of a Bearer Security, the bearer thereof and,
when used with respect to any coupon, shall mean the bearer thereof.

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     “Indenture” means this instrument as originally executed and as it may from time to time be
supplemented or amended by one or more indentures supplemental hereto entered into pursuant to the
applicable provisions hereof, and shall include the terms of particular series of Securities
established as contemplated by Section 3.01; provided, however, that, if at any
time more than one Person is acting as Trustee under this instrument, “Indenture” shall mean, with
respect to any one or more series of Securities for which such Person is Trustee, this instrument
as originally executed or as it may from time to time be supplemented or amended by one or more
indentures supplemental hereto entered into pursuant to the applicable provisions hereof and shall
include the terms of the particular series of Securities for which such Person is Trustee
established as contemplated by Section 3.01, exclusive, however, of any provisions or terms which
relate solely to other series of Securities for which such Person is not Trustee, regardless of
when such terms or provisions were adopted, and exclusive of any provisions or terms adopted by
means of one or more indentures supplemental hereto executed and delivered after such Person had
become such Trustee but to which such Person, as such Trustee, was not a party.

     “Indexed Security” means a Security the terms of which provide that the principal amount
thereof payable at Stated Maturity may be more or less than the principal face amount thereof at
original issuance.

     “interest”, when used with respect to an Original Issue Discount Security which by its terms
bears interest only after Maturity, means interest payable after Maturity at the rate prescribed in
such Original Issue Discount Security.

     “Interest Payment Date”, when used with respect to any Security, means the Stated Maturity of
an installment of interest on such Security.

     “Judgment Currency” has the meaning specified in Section 1.14.

     “Lien” means any mortgage, pledge, hypothecation, charge, assignment, deposit arrangement,
encumbrance, security interest, lien (statutory or other), or preference, priority or other
security or similar agreement or preferential arrangement of any kind or nature whatsoever
(including, without limitation, any agreement to give or grant a Lien or any lease, conditional
sale or other title retention agreement having substantially the same economic effect as any of the
foregoing) but not including any security interest in respect of a lease which is not a Capital
Lease Obligation and provided that such term shall not include any encumbrance that may be deemed
to arise solely as a result of entering into an agreement, not in violation of the terms of this
Indenture, to sell or otherwise transfer assets or Property.

     “mandatory sinking fund payment” has the meaning specified in Section 13.01.

     “Market Exchange Rate” means, unless otherwise specified with respect to any Securities
pursuant to Section 3.01, (i) for any conversion involving a currency unit on the one hand and
Dollars or any Foreign Currency on the other, the exchange rate between the relevant currency unit
and Dollars or such Foreign Currency calculated by the method specified pursuant to Section 3.01
for the Securities of the relevant series, (ii) for any conversion of Dollars into any Foreign
Currency, buying rate for such Foreign Currency for cable transfers quoted in New York City as
certified for customs purposes by the Federal Reserve Bank of New York and (iii) for

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any conversion of one Foreign Currency into Dollars or another Foreign Currency, the spot rate
at noon local time in the relevant market at which, in accordance with normal banking procedures,
the Dollars or Foreign Currency into which conversion is being made could be purchased with the
Foreign Currency from which conversion is being made from major banks located in New York City,
Toronto, London or any other principal market for Dollars or such purchased Foreign Currency, in
each case determined by the Exchange Rate Agent. Unless otherwise specified with respect to any
Securities pursuant to Section 3.01, in the event of the unavailability of any of the exchange
rates provided for in the foregoing clauses (i), (ii) and (iii), the Exchange Rate Agent shall use,
in its sole discretion and without liability on its part, such quotation of the Federal Reserve
Bank of New York as of the most recent available date, or quotations from one or more major banks
in New York City, Toronto or another principal market for the Currency in question, or such other
quotations as the Exchange Rate Agent shall deem appropriate. Unless otherwise specified by the
Exchange Rate Agent, if there is more than one market for dealing in any Currency by reason of
foreign exchange regulations or otherwise, the market to be used in respect of such Currency shall
be that upon which a non-resident issuer of securities designated in such Currency would purchase
such Currency in order to make payments in respect of such securities.

     “Maturity”, when used with respect to any Security, means the date on which the principal of
such Security or an installment of principal becomes due and payable as therein or herein provided,
whether at the Stated Maturity or by declaration of acceleration, notice of redemption, notice of
option to elect repayment or otherwise.

     “Non-Recourse Debt” means indebtedness to finance the creation, development, construction or
acquisition of assets and any increases in or extensions, renewals or refinancings of such
indebtedness, provided that the recourse of the lender thereof (including any agent, trustee,
receiver or other Person acting on behalf of such entity) in respect of such indebtedness is
limited in all circumstances to the assets created, developed, constructed or acquired in respect
of which such indebtedness has been incurred and to the receivables, inventory, equipment, chattels
payable, contracts, intangibles and other assets, rights or collateral connected with the assets
created, developed, constructed or acquired and to which such lender has recourse.

     “Notice of Default” has the meaning specified in Section 6.01.

     “Officers’ Certificate” means a certificate, which shall comply with this Indenture, signed by
the Executive Chairman of the Board of Directors, the President, the Chief Executive Officer, or
the Chief Operating Officer, or if two or more persons share such office any one of such persons,
and by the Chief Financial Officer or the Corporate Secretary of the Company, or if two or more
persons share such office any one of such persons, and delivered to the Trustees.

     “Opinion of Counsel” means a written opinion of counsel, who may be counsel for the Company,
including an employee of the Company.

     “Optional Reset Date” has the meaning specified in Section 3.07.

     “optional sinking fund payment” has the meaning specified in Section 13.01.

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     “Original Issue Discount Security” means any Security which provides for an amount less than
the principal amount thereof to be due and payable upon a declaration of acceleration of the
Maturity thereof pursuant to Section 6.02.

     “Original Stated Maturity” has the meaning specified in Section 3.08.

     “Other Currency” has the meaning specified in Section 1.15.

     “Outstanding”, when used with respect to Securities, means, as of the date of determination,
all Securities theretofore authenticated and delivered under this Indenture, except:

	 	(i)	 	Securities theretofore cancelled by a Trustee or delivered to a Trustee for
cancellation;
	 
	 	(ii)	 	Securities, or portions thereof, for whose payment or redemption or repayment
at the option of the Holder, money in the necessary amount has been theretofore
deposited with a Trustee or any Paying Agent (other than the Company) in trust or set
aside and segregated in trust by the Company (if the Company shall act as its own
Paying Agent) for the Holders of such Securities and any coupons appertaining thereto;
provided that, if such Securities are to be redeemed, notice of such redemption has
been duly given pursuant to this Indenture or provision therefor satisfactory to the
Trustees has been made;
	 
	 	(iii)	 	Securities, except to the extent provided in Section 15.02 and Section 15.03,
with respect to which the Company has effected defeasance and/or covenant defeasance as
provided in Article Fourteen; and
	 
	 	(iv)	 	Securities which have been paid pursuant to Section 3.06 or in exchange for or
in lieu of which other Securities have been authenticated and delivered pursuant to
this Indenture, other than any such Securities in respect of which there shall have
been presented to the Trustees proof satisfactory to them that such Securities are held
by a protected purchaser (as defined in Article 8 of the UCC) in whose hands such
Securities are valid obligations of the Company;

provided, however, that in determining whether the Holders of the requisite
principal amount of the Outstanding Securities have given any request, demand, authorization,
direction, notice, consent or waiver hereunder or are present at a meeting of Holders for quorum
purposes, and for the purpose of making the calculations required by TIA Section 313, (i) the
principal amount of an Original Issue Discount Security that may be counted in making such
determination or calculation and that shall be deemed to be Outstanding for such purpose shall be
equal to the amount of principal thereof that would be (or shall have been declared to be) due and
payable, at the time of such determination, upon a declaration of acceleration of the maturity
thereof pursuant to Section 6.02, (ii) the principal amount of any Security denominated in a
Foreign Currency that may be counted in making such determination or calculation and that shall be
deemed Outstanding for such purpose shall be equal to the Dollar equivalent, determined as of the
date such Security is originally issued by the Company as set forth in an Exchange Rate Officers’
Certificate delivered to the Trustees, of the principal amount (or, in the case of an Original
Issue Discount Security, the Dollar equivalent as of such date of original issuance of the

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amount determined as provided in clause (i) above) of such Security, (iii) the principal amount of
any Indexed Security that may be counted in making such determination or calculation and that shall
be deemed outstanding for such purpose shall be equal to the principal face amount of such Indexed
Security at original issuance, unless otherwise provided with respect to such Security pursuant to
Section 3.01, and (iv) Securities owned by the Company or any other obligor upon the Securities or
any Affiliate of the Company or of such other obligor shall be disregarded and deemed not to be
Outstanding, except that, in determining whether the Trustees shall be protected in making such
calculation or in relying upon any such request, demand, authorization, direction, notice, consent
or waiver, only Securities which the Trustees know to be so owned shall be so disregarded.
Securities so owned which have been pledged in good faith may be regarded as Outstanding if the
pledgee establishes to the satisfaction of the Trustees the pledgee’s right so to act with respect
to such Securities and that the pledgee is not the Company or any other obligor upon the Securities
or any Affiliate of the Company or such other obligor.

     “Paying Agent” means any Person (including the Company acting as Paying Agent) authorized by
the Company to pay the principal of (or premium, if any) or interest, if any, on any Securities on
behalf of the Company. Such Person, at the responsibility of the Company, must be able to make
payment in the currency of the issued Security.

     “Person” means any individual, corporation, body corporate, partnership, joint venture,
limited liability company, association, joint-stock company, trust, unincorporated organization or
government or any agency or political subdivision thereof.

     “Place of Payment” means, when used with respect to the Securities of or within any series,
each place where the principal of (and premium, if any) and interest, if any, on such Securities
are payable in the United States and Canada as specified as contemplated by Section 3.01 and
Section 11.02.

     “Predecessor Security” of any particular Security means every previous Security evidencing all
or a portion of the same debt as that evidenced by such particular Security; and, for the purposes
of this definition, any security authenticated and delivered under Section 3.06 in exchange for or
in lieu of a mutilated, destroyed, lost or stolen Security or a Security to which a mutilated,
destroyed, lost or stolen coupon appertains shall be deemed to evidence the same debt as the
mutilated, destroyed, lost or stolen Security or the Security to which the mutilated, destroyed,
lost or stolen coupon appertains, as the case may be.

     “rate(s) of exchange” has the meaning specified in Section 1.14.

     “Redemption Date”, when used with respect to any Security to be redeemed, in whole or in part,
means the date fixed for such redemption by or pursuant to this Indenture.

     “Redemption Price”, when used with respect to any Security to be redeemed, in whole or in
part, means the price at which it is to be redeemed pursuant to this Indenture, plus accrued and
unpaid interest thereon to the Redemption Date.

     “Registered Security” means any Security registered in the Security Register.

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     “Regular Record Date” for the interest payable on any Interest Payment Date on the Registered
Securities of or within any series means the date specified for that purpose as contemplated by
Section 3.01.

     “Repayment Date” means, when used with respect to any Security to be repaid at the option of
the Holder, the date fixed for such repayment pursuant to this Indenture.

     “Repayment Price” means, when used with respect to any Security to be repaid at the option of
the Holder, the price at which it is to be repaid pursuant to this Indenture.

     “Reset Notice” has the meaning specified in Section 3.07.

     “Responsible Officer”, when used with respect to a Trustee, means any vice president,
secretary, any assistant secretary, treasurer, any assistant treasurer, any senior trust officer,
any trust officer, the controller within the corporate trust administration division of a Trustee
or any other officer of a Trustee customarily performing functions similar to those performed by
any of the above-designated officers, and also means, with respect to a particular corporate trust
matter, any other officer to whom such matter is referred because of his knowledge of and
familiarity with the particular subject.

     “Securities” has the meaning stated in the first recital of this Indenture and more
particularly means any Securities authenticated and delivered under this Indenture;
provided, however, that if at any time there is more than one Person acting as
Trustee under this Indenture, “Securities” with respect to the Indenture as to which such Person is
Trustee shall have the meaning stated in the first recital of this Indenture and shall more
particularly mean Securities authenticated and delivered under this Indenture, exclusive, however,
of Securities of any series as to which such Person is not Trustee.

     “Security Register” and “Security Registrar” have the respective meanings specified in Section
3.05.

     “Senior Default” means (i) any default or event of default under any instrument creating any
Senior Indebtedness, or (ii) any event which would, with giving of notice, lapse of time, or both,
or subject to any other condition subsequent to such event, constitute such a default or event of
default.

     “Senior Indebtedness” means:

	 	(a)	 	all indebtedness of the Company in respect of borrowed money, other than:

	 	(i)	 	indebtedness evidenced by the Securities; and
	 
	 	(ii)	 	indebtedness which, by the terms of the instrument creating or
evidencing the same, is expressed to rank in right of payment equally with or
subordinate to the indebtedness evidenced by the Securities;

	 	(b)	 	all obligations of the Company for the reimbursement of amounts paid pursuant
to any letter of credit, banker’s acceptance or similar credit transaction; and

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	 	(c)	 	all obligations of the type referred to in paragraphs (a) through (b) above of
other Persons for the payment of which the Company is responsible or liable as obligor,
guarantor or otherwise,

and, for greater certainty, “Senior Indebtedness” will include all indebtedness of the Company for
borrowed money which is outstanding as at the date hereof.

     “Shareholders’ Equity” means the aggregate amount of shareholders’ equity of the Company as
shown on the most recent audited annual consolidated balance sheet of the Company and computed in
accordance with GAAP.

     “Special Record Date” for the payment of any Defaulted Interest on the Registered Securities
of or within any series means a date fixed by the Trustees pursuant to Section 3.07.

     “Specified Amount” has the meaning specified in Section 3.12(h).

     “Stated Maturity”, when used with respect to any Security or any installment of principal
thereof or interest thereon, means the date specified in such Security or a coupon representing
such installment of interest as the fixed date on which the principal of such Security or such
installment of principal or interest is due and payable, as such date may be extended pursuant to
the provisions of Section 3.08.

     “Subsequent Interest Period” has the meaning specified in Section 3.07.

     “Subsidiary” means, any corporation of which at the time of determination the Company,
directly and/or indirectly through one or more Subsidiaries, owns more than 50% of the shares of
Voting Stock or partnership, joint venture, limited liability company, association, company or
business trust interests.

     “Trust Indenture Act” or “TIA” means the United States Trust Indenture Act of 1939, as
amended, as in force at the date as of which this Indenture was executed, except as provided in
Section 10.05.

     “Trust Indenture Legislation” means, at any time, the provisions of (i) the provisions of any
applicable statute of Canada or any province or territory thereof and the regulations thereunder as
amended or re-enacted from time to time, but only to the extent applicable, or (ii) the Trust
Indenture Act and regulations thereunder, in each case, relating to trust indentures and to the
rights, duties and obligations of trustees under trust indentures and of corporations issuing debt
obligations under trust indentures, to the extent that such provisions are at such time in force
and applicable to this Indenture or the Company or the Trustees.

     “Trustee” or “Trustees” means the U.S. Trustee and the Canadian Trustee. Except to the extent
otherwise indicated, “Trustees” shall refer to the Canadian Trustee and the U.S. Trustee, both
jointly and individually.

     “UCC” means the New York uniform commercial code in effect from time to time.

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     “U.S. Federal Bankruptcy Code” means the Bankruptcy Act of Title 11 of the United States Code,
as amended from time to time.

     “U.S. Trustee” means the Person named as the “U.S. Trustee” in the first paragraph of this
Indenture until a successor U.S. Trustee shall have become such pursuant to the applicable
provisions of this Indenture, and thereafter “U.S. Trustee” shall mean or include each Person who
is then a U.S. Trustee hereunder; provided, however, that if at any time there is
more than one such Person, “U.S. Trustee” as used with respect to the Securities of any series
shall mean only the U.S. Trustee with respect to Securities of that series.

     “United States” means, unless otherwise specified with respect to any Securities pursuant to
Section 3.01, the United States of America (including the states and the District of Columbia), its
territories, its possessions and other areas subject to its jurisdiction.

     “United States person” means, unless otherwise specified with respect to any Securities
pursuant to Section 3.01, an individual who is a citizen or resident of the United States, a
corporation, partnership or other entity created or organized in or under the laws of the United
States, an estate the income of which is subject to United States federal income taxation
regardless of its source, or a trust if (A) it is subject to the primary supervision of a court
within the United States and one or more United States persons have the authority to control all
substantial decisions of the trust or (B) it has a valid election in effect under applicable
Treasury Regulations to be treated as a United States person.

     “Valuation Date” has the meaning specified in Section 3.12(c).

     “Vice President”, when used with respect to the Trustees, means any vice president, whether or
not designated by a number or a word or words added before or after the title “vice president”.

     “Voting Stock” means with respect to any Person, securities of any class or classes of Capital
Stock in such Person entitling the holder thereof (whether at all times or at the time that such
class of Capital Stock has voting power by reason of the happening of any contingency) to vote in
the election of members of the board of directors or comparable body of such Person.

     “Writing” has the meaning specified in Section 7.13.

     “Yield to Maturity” means the yield to maturity, computed at the time of issuance of a
Security (or, if applicable, at the most recent redetermination of interest on such Security) and
as set forth in such Security in accordance with generally accepted United States bond yield
computation principles.

Section 1.02 Compliance Certificates and Opinions

     Upon any application or request by the Company to the Trustees to take any action under any
provision of this Indenture, the Company shall furnish to the Trustees, to the extent required by
the Trust Indenture Act, an Officers’ Certificate stating that all conditions precedent, if any,
provided for in this Indenture (including any covenant compliance with which constitutes a
condition precedent) relating to the proposed action have been complied with and, if requested

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by the Trustee, an Opinion of Counsel stating that in the opinion of such counsel all such
conditions precedent, if any, have been complied with, except that in the case of any such
application or request as to which the furnishing of such documents is specifically required by any
provision of this Indenture relating to such particular application or request, no additional
certificate or opinion need be furnished.

     Every certificate or opinion with respect to compliance with a covenant or condition provided
for in this Indenture (other than pursuant to Section 11.04) shall include:

	 	(1)	 	a statement that each individual signing such certificate or opinion has read
such covenant or condition and the definitions herein relating thereto;
	 
	 	(2)	 	a brief statement as to the nature and scope of the examination or
investigation upon which the statements or opinions contained in such certificate or
opinion are based;
	 
	 	(3)	 	a statement that, in the opinion of each such individual, he has made such
examination or investigation as is necessary to enable him to express an informed
opinion as to whether or not such covenant or condition has been complied with; and
	 
	 	(4)	 	a statement as to whether, in the opinion of each such individual, such
covenant or condition has been complied with.

Section 1.03 Form of Documents Delivered to Trustees

     In any case where several matters are required to be certified by, or covered by an opinion
of, any specified Person, it is not necessary that all such matters be certified by, or covered by
the opinion of, only one such Person, or that they be so certified or covered by only one document,
but one such Person may certify or give an opinion with respect to some matters and one or more
other such Persons may certify or give an opinion as to other matters, and any such Person may
certify or give an opinion as to such matters in one or several documents.

     Any certificate or opinion of an officer of the Company may be based, insofar as it relates to
legal matters, upon an Opinion of Counsel, a certificate of, or representations by, counsel, unless
such officer knows, or in the exercise of reasonable care should know, that the certificate or
opinion or representations with respect to the matters upon which his certificate or opinion is
based are erroneous. Any such certificate or Opinion of Counsel may be based, insofar as it
relates to factual matters, upon a certificate or opinion of, or representations by, an officer or
officers of the Company stating that the information with respect to such factual matters is in the
possession of the Company, unless such counsel knows, or in the exercise of reasonable care should
know, that the certificate or opinion or representations with respect to such matters are
erroneous.

     Any certificate or opinion of an officer of the Company or of counsel may be based, insofar as
it relates to accounting matters, upon a certificate or opinion of, or representations by, an
accountant or firm of accountants in the employ of the Company, unless such officer or counsel, as
the case may be, knows, or in the exercise of reasonable care should know, that the

- 14 -

 

certificate or opinion or representations with respect to the accounting matters upon which
such certificate or opinion may be based are erroneous. Any certificate or opinion of any
independent firm of public accountants filed with the Trustees shall contain a statement that such
firm is independent.

     Where any Person is required to make, give or execute two or more applications, requests,
consents, certificates, statements, opinions or other instruments under this Indenture, they may,
but need not, be consolidated and form one instrument.

Section 1.04 Acts of Holders

     (a) Any request, demand, authorization, direction, notice, consent, waiver or other action
provided by this Indenture to be given or taken by Holders of the Outstanding Securities of all
series or one or more series, as the case may be, may be embodied in and evidenced by one or more
instruments of substantially similar tenor signed by such Holders in person or by agents duly
appointed in writing. If Securities of a series are issuable as Bearer Securities, any request,
demand, authorization, direction, notice, consent, waiver or other action provided by this
Indenture to be given or taken by Holders of such series may, alternatively, be embodied in and
evidenced by the record of Holders of Securities of such series voting in favor thereof, either in
person or by proxies duly appointed in writing, at any meeting of Holders of Securities of such
series duly called and held in accordance with the provisions of Article Sixteen, or a combination
of such instruments and any such record. Except as herein otherwise expressly provided, such
action shall become effective when such instrument or instruments or record or both are delivered
to the Trustees and, where it is hereby expressly required, to the Company. Such instrument or
instruments and any such record (and the action embodied therein and evidenced thereby) are herein
sometimes referred to as the “Act” of the Holders signing such instrument or instruments or so
voting at any such meeting. Proof of execution of any such instrument or of a writing appointing
any such agent, or of the holding by any Person of a Security, shall be sufficient for any purpose
of this Indenture and conclusive in favor of the Trustees and the Company, if made in the manner
provided in this Section. The record of any meeting of Holders of Securities shall be proved in
the manner provided in Section 16.06.

     (b) The fact and date of the execution by any Person of any such instrument or writing may be
proved by the affidavit of a witness of such execution or by a certificate of a notary public or
other officer authorized by law to take acknowledgments of deeds, certifying that the individual
signing such instrument or writing acknowledged to him the execution thereof. Where such execution
is by a signer acting in a capacity other than his individual capacity, such certificate or
affidavit shall also constitute sufficient proof of authority. The fact and date of the execution
of any such instrument or writing, or the authority of the Person executing the same, may also be
proved in any other manner which the Trustees deem sufficient.

     (c) The principal amount and serial numbers of Registered Securities held by any Person, and
the date of holding the same, shall be proved by the Security Register.

     (d) The principal amount and serial numbers of Bearer Securities held by any Person, and the
date of holding the same, may be proved by the production of such Bearer Securities or by a
certificate executed, as depositary, by any trust company, bank, banker or other depositary,

- 15 -

 

wherever situated, if such certificate shall be deemed by the Trustees to be satisfactory,
showing that at the date therein mentioned such Person had on deposit with such depositary, or
exhibited to it, the Bearer Securities therein described; or such facts may be proved by the
certificate or affidavit of the Person holding such Bearer Securities, if such certificate or
affidavit is deemed by the Trustees to be satisfactory. The Trustees and the Company may assume
that such ownership of any Bearer Security continues until (1) another certificate or affidavit
bearing a later date issued in respect of the same Bearer Security is produced, or (2) such Bearer
Security is produced to the Trustees by some other Person, or (3) such Bearer Security is
surrendered in exchange for a Registered Security, or (4) such Bearer Security is no longer
Outstanding. The principal amount and serial numbers of Bearer Securities held by any Person, and
the date of holding the same, may also be proved in any other manner that the Trustees deem
sufficient.

     (e) If the Company shall solicit from the Holders of Registered Securities any request,
demand, authorization, direction, notice, consent, waiver or other Act, the Company may, at its
option, by or pursuant to a Board Resolution, fix in advance a record date for the determination of
Holders entitled to give such request, demand, authorization, direction, notice, consent, waiver or
other Act, but the Company shall have no obligation to do so. Notwithstanding Trust Indenture
Legislation, including TIA Section 316(c), such record date shall be the record date specified in
or pursuant to such Board Resolution, which shall be a date not earlier than the date 30 days prior
to the first solicitation of Holders generally in connection therewith and not later than the date
such solicitation is completed. If such a record date is fixed, such request, demand,
authorization, direction, notice, consent, waiver or other Act may be given before or after such
record date, but only the Holders of record at the close of business on such record date shall be
deemed to be Holders for the purposes of determining whether Holders of the requisite proportion of
Outstanding Securities have authorized or agreed or consented to such request, demand,
authorization, direction, notice, consent, waiver or other Act, and for that purpose the
Outstanding Securities shall be computed as of such record date; provided that no such
authorization, agreement or consent by the Holders on such record date shall be deemed effective
unless it shall become effective pursuant to the provisions of this Indenture not later than eleven
months after the record date.

     (f) Any request, demand, authorization, direction, notice, consent, waiver or other Act of the
Holder of any Security shall bind every future Holder of the same Security and the Holder of every
Security issued upon the registration of transfer thereof or in exchange therefor or in lieu
thereof in respect of anything done, omitted or suffered to be done by the Trustees or the Company
in reliance thereon, whether or not notation of such action is made upon such Security.

Section 1.05 Notices, etc. to Trustees and Company

     Any request, demand, authorization, direction, notice, consent, waiver or Act of Holders or
other documents provided or permitted by this Indenture to be made upon, given or furnished to, or
filed with,

	 	(1)	 	the U.S. Trustee, by the Canadian Trustee, any Holder or by the Company shall
be sufficient for every purpose hereunder if made, given, furnished or filed in writing

- 16 -

 

	 	 	 	to or with the U.S. Trustee at its Corporate Trust Office, Attention: Corporate
Trust Department, Facsimile No. •, or

	 	(2)	 	the Canadian Trustee, by the U.S. Trustee, any Holder or by the Company shall
be sufficient for every purpose hereunder if made, given, furnished or filed in writing
to or with the Canadian Trustee at its Corporate Trust Office, Attention: General
Manager, Corporate Trust, Facsimile No. •, or
	 
	 	(3)	 	the Company, by either Trustee or any Holder shall be sufficient for every
purpose hereunder (unless otherwise herein expressly provided) if in writing and faxed
or mailed, first-class postage prepaid or personally delivered, to the Company,
Attention: Chief Financial Officer, Facsimile No: • or such other officer or
facsimile number as the Company may designate on written notice to the Trustees,
addressed to it at the address of its principal office specified in the first paragraph
of this Indenture or at any other address previously furnished in writing to the
Trustees by the Company.

Section 1.06 Notice to Holders; Waiver

     Where this Indenture provides for notice of any event to Holders of Registered Securities by
the Company or the Trustees, such notice shall be sufficiently given (unless otherwise herein
expressly provided) if in writing and mailed, first-class postage prepaid, to each such Holder
affected by such event, at his address as it appears in the Security Register, not later than the
latest date, and not earlier than the earliest date, prescribed for the giving of such notice. In
any case where notice to Holders of Registered Securities is given by mail, neither the failure to
mail such notice, nor any defect in any notice so mailed, to any particular Holder shall affect the
sufficiency of such notice with respect to other Holders of Registered Securities or the
sufficiency of any notice to Holders of Bearer Securities given as provided. Any notice mailed to
a Holder in the manner herein prescribed shall be conclusively deemed to have been received by such
Holder, whether or not such Holder actually receives such notice.

     In case, by reason of the suspension of or irregularities in regular mail service or by reason
of any other cause, it shall be impractical to mail notice of any event to Holders of Registered
Securities when such notice is required to be given pursuant to any provision of this Indenture,
then any manner of giving such notice as shall be satisfactory to the Trustees shall be deemed to
be sufficient giving of such notice for every purpose hereunder.

     Except as otherwise expressly provided herein or otherwise specified with respect to any
Securities pursuant to Section 3.01, where this Indenture provides for notice to Holders of Bearer
Securities of any event, such notice shall be sufficiently given to Holders of Bearer Securities if
published in an Authorized Newspaper in The City of New York and in such other city or cities as
may be specified in such Securities on a Business Day at least twice, the first such publication to
be not earlier than the earliest date, and not later than the latest date, prescribed for the
giving of such notice. Any such notice shall be deemed to have been given on the date of the first
such publication.

- 17 -

 

     In case, by reason of the suspension of publication of any Authorized Newspaper or Authorized
Newspapers or by reason of any other cause, it shall be impracticable to publish any notice to
Holders of Bearer Securities as provided above, then such notification to Holders of Bearer
Securities as shall be given with the approval of the Trustees shall constitute sufficient notice
to such Holders for every purpose hereunder. Neither the failure to give notice by publication to
Holders of Bearer Securities as provided above, nor any defect in any notice so published, shall
affect the sufficiency of such notice with respect to other Holders of Bearer Securities or the
sufficiency of any notice to Holders of Registered Securities given as provided herein.

     Any request, demand, authorization, direction, notice, consent or waiver required or permitted
under this Indenture shall be in the English language, except that any published notice may be in
an official language of the country of publication.

     Where this Indenture provides for notice in any manner, such notice may be waived in writing
by the Person entitled to receive such notice, either before or after the event, and such waiver
shall be the equivalent of such notice. Waivers of notice by Holders shall be filed with the
Trustees, but such filing shall not be a condition precedent to the validity of any action taken in
reliance upon such waiver.

Section 1.07 Effect of Headings and Table of Contents

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

Section 1.08 Successors and Assigns

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

Section 1.09 Severability Clause

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

Section 1.10 Benefits of Indenture

     Nothing in this Indenture or in the Securities or coupons, express or implied, shall give to
any Person, other than the parties hereto, any Authenticating Agent, any Paying Agent, any
Securities Registrar and their successors hereunder and the Holders of Securities or coupons, any
benefit or any legal or equitable right, remedy or claim under this Indenture. Subject to Section
1.16, at all times in relation to this Indenture and any action to be taken hereunder, the Company
and the Trustees each shall observe and comply with Trust Indenture Legislation and the Company,
the Trustees and each Holder of a Security shall be entitled to the benefits of Trust Indenture
Legislation.

- 18 -

 

Section 1.11 Governing Law

     This Indenture and the Securities and coupons shall be governed by and construed in accordance
with the law of the State of New York, but without giving effect to applicable principles of
conflicts of law to the extent that the application of the law of another jurisdiction would be
required thereby. Each Trustee and the Company agrees to comply with all provisions of Trust
Indenture Legislation applicable to or binding upon it in connection with this Indenture and any
action to be taken hereunder. This Indenture is subject to the provisions of the Trust Indenture
Act that are required to be part of this Indenture and shall, to the extent applicable, be governed
by such provisions. Notwithstanding the preceding sentence, the exercise, performance or discharge
by the Canadian Trustee of any of its rights, powers, duties or responsibilities hereunder shall be
construed in accordance with the laws of the Province of Ontario and the federal laws of Canada
applicable thereto.

Section 1.12 Legal Holidays

     In any case where any Interest Payment Date, Redemption Date, sinking fund payment date or
Stated Maturity or Maturity of any Security shall not be a Business Day at any Place of Payment or
other location contemplated hereunder, then (notwithstanding any other provision of this Indenture
or of any Security or coupon other than a provision in the Securities of any series which
specifically states that such provision shall apply in lieu of this Section), payment of principal
(or premium, if any) or interest, if any, need not be made at such Place of Payment or other
location contemplated hereunder on such date, but may be made on the next succeeding Business Day
at such Place of Payment or other location contemplated hereunder with the same force and effect as
if made on the Interest Payment Date or Redemption Date or sinking fund payment date, or at the
Stated Maturity or Maturity; provided that no interest shall accrue for the period from and after
such Interest Payment Date, Redemption Date, sinking fund payment date, Stated Maturity or
Maturity, as the case may be.

Section 1.13 Agent for Service; Submission to Jurisdiction; Waiver of Immunities

     By the execution and delivery of this Indenture, the Company (i) acknowledges that it has
irrevocably designated and appointed CT Corporation System, 111 8th Avenue,
13th Floor, New York, New York, 1001 as its authorized agent upon which process may be
served in any suit or proceeding arising out of or relating to the Securities or this Indenture
that may be instituted in any federal or New York State court located in The Borough of Manhattan,
The City of New York, or brought by the Trustees (whether in their individual capacity or in their
capacity as Trustees hereunder), (ii) submits to the non-exclusive jurisdiction of any such court
in any such suit or proceeding, and (iii) agrees that service of process upon CT Corporation System
and written notice of said service to the Company (mailed or delivered to the Company, attention:
Chief Financial Officer, at its principal office at 1701 East “E” Street, PO Box 50850, Casper,
Wyoming 82605-0850., as specified in Section 1.05 hereof), 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, including the execution and filing of any and all such documents
and instruments, as may be necessary to continue such designation and appointment of CT Corporation
System in full force and effect so long as this Indenture shall be in full force and effect.

- 19 -

 

     To the extent that the Company has or hereafter may acquire any immunity from jurisdiction of
any court or from any legal process (whether through service of notice, attachment prior to
judgment, attachment in aid of execution, execution or otherwise) with respect to itself or its
property, the Company hereby irrevocably waives such immunity in respect of its obligations under
this Indenture and the Securities, to the extent permitted by law.

     The Company irrevocably and unconditionally waives, to the fullest extent permitted by law,
any objection that it may now or hereafter have to the laying of venue of any such action, suit or
proceeding arising out of or relating to this Indenture or the Securities in any federal or state
court in the State of New York, The Borough of Manhattan. Each of the parties hereto hereby
irrevocably waives, to the fullest extent permitted by law, the defense of an inconvenient forum to
the maintenance of such action or proceeding in any such court.

Section 1.14 Conversion of Currency

     (a) The Company covenants and agrees that the following provisions shall apply to conversion
of currency in the case of the Securities and this Indenture:

	 	(i)	 	If for the purposes of obtaining judgment in, or enforcing the
judgment of, any court in any country, it becomes necessary to convert into a
currency (the “Judgment Currency”) an amount due or contingently due in any
other currency under the Securities of any series and this Indenture (the “Base
Currency”), then the conversion shall be made at the rate of exchange
prevailing on the Business Day before the day on which a final judgment is
given or the order of enforcement is made, as the case may be (unless a court
shall otherwise determine).
	 
	 	(ii)	 	If there is a change in the rate of exchange prevailing between
the Business Day before the day on which the judgment referred to in (i) above
is given or an order of enforcement is made, as the case may be (or such other
date as a court shall determine), and the date of receipt of the amount due,
the Company shall pay such additional (or, as the case may be, such lesser)
amount, if any, as may be necessary so that the amount paid in the Judgment
Currency when converted at the rate of exchange prevailing on the date of
receipt will produce the amount in the Base Currency originally due.

     (b) In the event of the winding-up of the Company at any time while any amount or damages
owing under the Securities and this Indenture, or any judgment or order rendered in respect
thereof, shall remain outstanding, the Company shall indemnify and hold the Holders and the
Trustees harmless against any deficiency arising or resulting from any variation in rates of
exchange between (1) the date as of which the equivalent of the amount in the Base Currency due or
contingently due under the Securities and this Indenture (other than under this Subsection (b)) is
calculated for the purposes of such winding-up, and (2) the final date for the filing of proofs of
claim in such winding-up. For the purpose of this Subsection (b) the final date for the filing of
proofs of claim in the winding-up of the Company shall be the date fixed by the liquidator or
otherwise in accordance with the relevant provisions of applicable law as being the

- 20 -

 

latest practicable date as at which liabilities of the Company may be ascertained for such
winding-up prior to payment by the liquidator or otherwise in respect thereto.

     (c) The obligations contained in Subsections (a)(ii) and (b) of this Section shall constitute
separate and independent obligations of the Company from its other obligations under the Securities
and this Indenture, shall give rise to separate and independent causes of action against the
Company, shall apply irrespective of any waiver or extension granted by any Holder or the Trustees
or either of them from time to time and shall continue in full force and effect notwithstanding any
judgment or order or the filing of any proof of claim in the winding-up of the Company for a
liquidated sum in respect of amounts due hereunder (other than under Subsection (b) above) or under
any such judgment or order. Any such deficiency as aforesaid shall be deemed to constitute a loss
suffered by the Holders or the Trustees, as the case may be, and no proof or evidence of any actual
loss shall be required by the Company or its liquidator. In the case of Subsection (b) above, the
amount of such deficiency shall not be deemed to be increased or reduced by any variation in rates
of exchange occurring between the said final date and the date of any liquidating distribution.

     The term “rate(s) of exchange” shall mean the rate of exchange quoted by a Canadian chartered
bank as may be designated in writing by the Company to the Trustees from time to time, at its
central foreign exchange desk in its main office in Toronto at 12:00 noon (Toronto time) on the
relevant date for purchases of the Base Currency with the Judgment Currency and includes any
premiums and costs of exchange payable. The Trustees shall have no duty or liability with respect
to monitoring or enforcing this Section.

Section 1.15 Currency Equivalent

     Except as otherwise provided in this Indenture, for purposes of the construction of the terms
of this Indenture or of the Securities, in the event that any amount is stated herein in the
Currency of one nation (the “First Currency”), as of any date such amount shall also be deemed to
represent the amount in the Currency of any other relevant nation (the “Other Currency”) which is
required to purchase such amount in the First Currency at the Bank of Canada noon rate as reported
by Telerate on screen 3194 (or such other means of reporting the Bank of Canada noon rate as may be
agreed upon by each of the parties to this Indenture) on the date of determination.

Section 1.16 Conflict with Trust Indenture Legislation

     If and to the extent that any provision of this Indenture limits, qualifies or conflicts with
any mandatory requirement of Trust Indenture Legislation, such mandatory requirement shall control.
If and to the extent that any provision hereof limits, qualifies or conflicts with the duties
imposed by any of Sections 310 to 318, inclusive, of the Trust Indenture Act, through operation of
Section 318(c) thereof, such duties shall control.

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Section 1.17 Incorporators, Shareholders, Officers and Directors of the Company Exempt from Individual Liability

     No recourse under or upon any obligation, covenant or agreement contained in this Indenture,
or in any Security, or because of any indebtedness evidenced thereby, shall be had against any
incorporator, as such, or against any past, present or future shareholder, officer or director, as
such, of the Company or of any successor, either directly or through the Company or any successor,
under any rule of law, statute or constitutional provision or by the enforcement of any assessment
or by any legal or equitable proceeding or otherwise, all such liability being expressly waived and
released by the acceptance of the Securities by the Holders and as part of the consideration for
the issue of the Securities.

ARTICLE TWO

SECURITIES FORMS

Section 2.01 Forms Generally

     The Registered Securities, if any, of each series and the Bearer Securities, if any, of each
series and related coupons shall be in substantially the forms as shall be established by or
pursuant to a Board Resolution or in one or more indentures supplemental hereto, in each case with
such appropriate insertions, omissions, substitutions and other variations as are required or
permitted by this Indenture, and may have such letters, numbers or other marks of identification
and such legends or endorsements placed thereon as may be required to comply with the rules of any
securities exchange or as may, consistently herewith, be determined by the officers executing such
Securities or coupons, as evidenced by their execution of the Securities or coupons. If the forms
of Securities or coupons of any series are established by action taken pursuant to a Board
Resolution, a copy of an appropriate record of such action shall be certified by the Corporate
Secretary or the Chief Financial Officer of the Company and delivered to the Trustees at or prior
to the delivery of the Company Order contemplated by Section 3.03 for the authentication and
delivery of such Securities or coupons. Any portion of the text of any Security may be set forth
on the reverse thereof, with an appropriate reference thereto on the face of the Security.

     Unless otherwise specified as contemplated by Section 3.01, Bearer Securities shall have
interest coupons attached.

     Either Trustee’s certificate of authentication on all Securities shall be in substantially the
form set forth in this Article.

     The definitive Securities and coupons shall be printed, lithographed or engraved on
steel-engraved borders or may be produced in any other manner, all as determined by the officers of
the Company executing such Securities, as evidenced by their execution of such Securities or
coupons.

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Section 2.02 Form of Trustee’s Certificate of Authentication

     Subject to Section 7.12, either Trustee’s certificate of authentication shall be in
substantially the following form:

TRUSTEE’S CERTIFICATE OF AUTHENTICATION

(Certificate of Authentication may be executed by either Trustee)

Dated:                     

     Computershare Trust Company, N.A., as U.S. Trustee, certifies that this is one of the
Securities of the series designated therein referred to in the within-mentioned Indenture.

	 	 	 	 	 
	 	Computershare Trust Company, N.A.,

as U.S. Trustee

 	 
	 	By:  	 	 
	 	 	Authorized Officer 	 
	 	 	 	 
	 

Dated:                     

     Computershare Trust Company of Canada, as Canadian Trustee, certifies that this is one of the
Securities of the series designated therein referred to in the within-mentioned Indenture.

	 	 	 	 	 
	 	Computershare Trust Company of Canada, as

Canadian Trustee

 	 
	 	By:  	 	 
	 	 	Authorized Officer 	 
	 	 	 	 
	 

Section 2.03 Securities Issuable in Global Form

     If Securities of or within a series are issuable in global form, as specified and contemplated
by Section 3.01, then, notwithstanding clause (10) of Section 3.01, any such Security shall
represent such of the Outstanding Securities of such series as shall be specified therein and may
provide that it shall represent the aggregate amount of Outstanding Securities of such series from
time to time endorsed thereon and that the aggregate amount of Outstanding Securities of such
series represented thereby may from time to time be increased or decreased to reflect exchanges.
Any endorsement of a Security in global form to reflect the amount, or any increase or decrease in
the amount, of Outstanding Securities represented thereby shall be made by the Trustees in such
manner and upon instructions given by such Person or Persons as shall be specified therein or in
the Company Order to be delivered to the Trustees pursuant to Section 3.03 or Section 3.04.
Subject to the provisions of Section 3.03 and, if applicable, Section 3.04, the Trustees shall
deliver and redeliver any Security in permanent global form in the manner and upon instructions
given by the Person or Persons specified therein or in the applicable Company Order. If a Company
Order pursuant to Section 3.03 or Section 3.04 has been, or simultaneously is, delivered, any
instructions by the Company with respect to endorsement or delivery or

- 23 -

 

redelivery of a Security in global form shall be in writing but need not comply with Section
1.02 and need not be accompanied by an Opinion of Counsel.

     The provisions of the last sentence of Section 3.03 shall apply to any Security represented by
a Security in global form if such Security was never issued and sold by the Company and the Company
delivers to the Trustees the Security in global form together with written instructions (which need
not comply with Section 1.02 and need not be accompanied by an Opinion of Counsel) with regard to
the reduction in the principal amount of Securities represented thereby, together with the written
statement contemplated by the last sentence of Section 3.03.

     Notwithstanding the provisions of Section 3.07, unless otherwise specified as contemplated by
Section 3.01, payment of principal of (and premium, if any) and interest, if any, on any Security
in permanent global form shall be made to the Person or Persons specified therein.

     Notwithstanding the provisions of Section 3.09 and except as provided in the preceding
paragraph, the Company, the Trustees and any agent of the Company and the Trustees shall treat as
the Holder of such principal amount of Outstanding Securities represented by a permanent global
Security (i) in the case of a permanent global Security in registered form, the Holder of such
permanent global Security in registered form, or (ii) in the case of a permanent global Security in
bearer form, the Depositary.

ARTICLE THREE

THE SECURITIES

Section 3.01 Amount Unlimited; Issuable in Series

     The aggregate principal amount of Securities which may be authenticated and delivered under
this Indenture is unlimited.

     The Securities may be issued in one or more series and may be denominated and payable in
Dollars or any Foreign Currency. The principal amount of any series of Securities may be increased
and issued under this Indenture. There shall be established in one or more Board Resolutions or
pursuant to authority granted by one or more Board Resolutions and, subject to Section 3.03, set
forth in, or determined in the manner provided in, an Officers’ Certificate, or established in one
or more indentures supplemental hereto, prior to the issuance of Securities of any series, any or
all of the following, as applicable (each of which (except for the matters set forth in clauses
(1), (2) and (19) below), if so provided, may be determined from time to time by the Company with
respect to unissued Securities of the series and set forth in such Securities of the series when
issued from time to time):

	 	(1)	 	the title of the Securities of the series (which shall distinguish the
Securities of the series from all other series of Securities);
	 
	 	(2)	 	the aggregate principal amount of the Securities of the series that may be
authenticated and delivered under this Indenture (except for Securities authenticated
and delivered upon registration of transfer of, or in exchange for, or

- 24 -

 

	 	 	 	in lieu of, other Securities of the series pursuant to Section 3.04, Section 3.05,
Section 3.06, Section 10.06, Section 12.07 or Section 14.05);
	 
	 	(3)	 	the extent and manner, if any, to which payment on or in respect of the
Securities of the series will be senior or will be subordinated to the prior payment of
other liabilities and obligations of the Company, and whether the payment of principal,
premium, if any, and interest, if any, will be guaranteed by any other Person and the
nature and priority of any security;
	 
	 	(4)	 	the percentage or percentages of principal amount at which the Securities of
the series will be issued;
	 
	 	(5)	 	the date or dates, or the method by which such date or dates will be determined
or extended, on which the Securities of the series may be issued and the date, or
dates, or the method by which such date or dates will be determined or extended, on
which the principal of the Securities of the series is payable;
	 
	 	(6)	 	the rate or rates at which the Securities of the series shall bear interest
(whether fixed or variable), if any, or the method by which such rate or rates shall be
determined, the date or dates from which such interest shall accrue, or the method by
which such date or dates shall be determined, the Interest Payment Dates on which such
interest shall be payable and the Regular Record Date, if any, for the interest payable
on any Registered Security on any Interest Payment Date, or the method by which such
date or dates shall be determined, and the basis upon which interest shall be
calculated if other than on the basis of a 360-day year of 12 30-day months;
	 
	 	(7)	 	the place or places, if any, other than or in addition to The Borough of
Manhattan, The City of New York, where the principal of (and premium, if any) and
interest, if any, on Securities of the series shall be payable, where any Registered
Securities of the series may be surrendered for registration of transfer, where
Securities of the series may be surrendered for exchange, where Securities of the
series that are convertible or exchangeable may be surrendered for conversion or
exchange, as applicable and, if different than the location specified in Section 1.05,
the place or places where notices or demands to or upon the Company in respect of the
Securities of the series and this Indenture may be served;
	 
	 	(8)	 	the period or periods within which, the price or prices at which, the Currency
in which, and other terms and conditions upon which Securities of the series may be
redeemed, in whole or in part, at the option of the Company, if the Company is to have
that option;
	 
	 	(9)	 	the obligation, if any, of the Company to redeem, repay or purchase Securities
of the series pursuant to any sinking fund or analogous provision or at the option of a
Holder thereof, and the period or periods within which, the price or prices at which,
the Currency in which, and other terms and conditions upon which

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	 	 	 	Securities of the series shall be redeemed, repaid or purchased, in whole or in
part, pursuant to such obligation;

	 	(10)	 	if other than denominations of $1,000 and any integral multiple thereof, the
denomination or denominations in which any Registered Securities of the series shall be
issuable and, if other than denominations of $5,000, the denomination or denominations
in which any Bearer Securities of the series shall be issuable;
	 
	 	(11)	 	if other than the Trustees, the identity of each Security Registrar and/or
Paying Agent, as satisfactory to the Trustees;
	 
	 	(12)	 	if other than the principal amount thereof, the portion of the principal amount
of Securities of the series that shall be payable upon declaration of acceleration of
the Maturity thereof pursuant to Section 6.02 or the method by which such portion shall
be determined;
	 
	 	(13)	 	if other than Dollars, the Currency in which payment of the principal of (or
premium, if any) or interest, if any, on the Securities of the series shall be payable
or in which the Securities of the series shall be denominated and the particular
provisions applicable thereto in accordance with, in addition to or in lieu of any of
the provisions of Section 3.12;
	 
	 	(14)	 	whether the amount of payments of principal of (or premium, if any) or
interest, if any, on the Securities of the series may be determined with reference to
an index, formula or other method (which index, formula or method may be based, without
limitation, on one or more Currencies, commodities, equity indices or other indices),
and the manner in which such amounts shall be determined;
	 
	 	(15)	 	whether the principal of (or premium, if any) or interest, if any, on the
Securities of the series are to be payable, at the election of the Company or a Holder
thereof, in a Currency other than that in which such Securities are denominated or
stated to be payable, the period or periods within which (including the Election Date),
and the terms and conditions upon which, such election may be made, and the time and
manner of determining the exchange rate between the Currency in which such Securities
are denominated or stated to be payable and the Currency in which such Securities are
to be so payable, in each case in accordance with, in addition to or in lieu of any of
the provisions of Section 3.12;
	 
	 	(16)	 	the designation of the initial Exchange Rate Agent, if any;
	 
	 	(17)	 	the applicability, if any, of Section 15.02 and/or Section 15.03 to the
Securities of the series and any provisions in modification of, in addition to or in
lieu of any of the provisions of Article Fifteen that shall be applicable to the
Securities of the series;
	 
	 	(18)	 	provisions, if any, granting special rights to the Holders of Securities of the
series upon the occurrence of such events as may be specified;

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	 	(19)	 	any deletions from, modifications of or additions to the Events of Default or
covenants (including any deletions from, modifications of or additions to Section
11.08) of the Company with respect to Securities of the series, whether or not such
Events of Default or covenants are consistent with the Events of Default or covenants
set forth herein;
	 
	 	(20)	 	whether Securities of the series are to be issuable as Registered Securities,
Bearer Securities (with or without coupons) or both, any restrictions applicable to the
offer, sale or delivery of Bearer Securities, whether any Securities of the series are
to be issuable initially in temporary global form and whether any Securities of the
series are to be issuable in permanent global form with or without coupons and, if so,
whether beneficial owners of interests in any such permanent global Security may
exchange such interests for Securities of such series and of like tenor of any
authorized form and denomination and the circumstances under which any such exchanges
may occur, if other than in the manner provided in Section 3.05, whether Registered
Securities of the series may be exchanged for Bearer Securities of the series (if
permitted by applicable laws and regulations), whether Bearer Securities of the series
may be exchanged for Registered Securities of such series, and the circumstances under
which and the place or places where any such exchanges may be made and, if Securities
of the series are to be issuable in global form, the identity of any initial depositary
therefor;
	 
	 	(21)	 	the date as of which any Bearer Securities of the series and any temporary
global Security representing Outstanding Securities of the series shall be dated if
other than the date of original issuance of the first Security of the series to be
issued;
	 
	 	(22)	 	the Person to whom any interest on any Registered Security of the series shall
be payable, if other than the Person in whose name that Security (or one or more
Predecessor Securities) is registered at the close of business on the Regular Record
Date for such interest, the manner in which, or the Person to whom, any interest on any
Bearer Security of the series shall be payable, if otherwise than upon presentation and
surrender of the coupons appertaining thereto as they severally mature, and the extent
to which, or the manner in which, any interest payable on a temporary global Security
on an Interest Payment Date will be paid if other than in the manner provided in
Section 3.04;
	 
	 	(23)	 	if Securities of the series are to be issuable in definitive form (whether upon
original issue or upon exchange of a temporary Security of such series) only upon
receipt of certain certificates or other documents or satisfaction of other conditions,
the form and/or terms of such certificates, documents or conditions;
	 
	 	(24)	 	if the Securities of the series are to be issued upon the exercise of warrants
or subscription receipts, the time, manner and place for such Securities to be
authenticated and delivered;

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	 	(25)	 	whether, under what circumstances and the Currency in which the Company will
pay Additional Amounts as contemplated by Section 11.05 on the Securities of the series
to any Holder which is not a United States person (including any modification to the
definition of such term) in respect of any tax, assessment or governmental charge and,
if so, whether the Company will have the option to redeem such Securities rather than
pay such Additional Amounts (and the terms of any such option);
	 
	 	(26)	 	if the Securities of the series are to be convertible into or exchangeable for
any securities of any Person (including the Company), the terms and conditions upon
which such Securities will be so convertible or exchangeable;
	 
	 	(27)	 	the applicability, if any, of Section 11.05 and Section 12.08 to such
Securities;
	 
	 	(28)	 	if other than The Depositary Trust Company, the Person designated as the
Depositary with respect to the Securities of such series;
	 
	 	(29)	 	provisions as to modification, amendment or variation of any rights or terms
attaching to the Securities; and
	 
	 	(30)	 	any other terms, conditions, rights and preferences (or limitations on such
rights and preferences) relating to the series (which terms shall not be inconsistent
with the requirements of Trust Indenture Legislation or the provisions of this
Indenture).

     All Securities of any one series and the coupons appertaining to any Bearer Securities of such
series shall be substantially identical except, in the case of Registered Securities, as to
denomination and except as may otherwise be provided in or pursuant to such Board Resolution
(subject to Section 3.03) and set forth in such Officers’ Certificate or in any such indenture
supplemental hereto. Not all Securities of any one series need be issued at the same time, and,
unless otherwise provided, a series may be reopened for issuances of additional Securities of such
series.

     If any of the terms of the series are established by action taken pursuant to one or more
Board Resolutions, such Board Resolutions shall be delivered to the Trustees at or prior to the
delivery of the Officers’ Certificate setting forth the terms of the series.

Section 3.02 Denominations

     The Securities of each series shall be issuable in such denominations as shall be specified as
contemplated by Section 3.01. With respect to Securities of any series denominated in Dollars, in
the absence of any such provisions, the Registered Securities of such series, other than Registered
Securities issued in global form (which may be of any denomination), shall be issuable in
denominations of $1,000 and any integral multiple thereof and the Bearer Securities of such series,
other than the Bearer Securities issued in global form (which may be of any denomination), shall be
issuable in a denomination of $5,000 and any integral multiples thereof.

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Section 3.03 Execution, Authentication, Delivery and Dating

     The Securities and any coupons appertaining thereto shall be executed on behalf of the Company
by its President, Chief Executive Officer, Chief Operating Officer, Chief Financial Officer
together with the Corporate Secretary of the Company. If two or more persons share such office any
one of such persons may. The signature of any of these officers on the Securities or coupons may
be the manual or facsimile signatures of the present or any future such authorized officer and may
be imprinted or otherwise reproduced on the Securities.

     Securities or coupons bearing the manual or facsimile signatures of individuals who were at
any time the proper officers of the Company shall bind the Company, notwithstanding that such
individuals or any of them have ceased to hold such offices prior to the authentication and
delivery of such Securities or did not hold such offices at the date of such Securities or coupons.

     At any time and from time to time after the execution and delivery of this Indenture, the
Company may deliver Securities of any series together with any coupon appertaining thereto,
executed by the Company to the applicable Trustee for authentication, together with a Company Order
for the authentication and delivery of such Securities, and the applicable Trustee in accordance
with such Company Order shall authenticate and deliver such Securities; provided,
however, that, in connection with its original issuance, no Bearer Security shall be mailed
or otherwise delivered to any location in the United States; and
provided further that, unless
otherwise specified with respect to any series of Securities pursuant to Section 3.01, a Bearer
Security may be delivered in connection with its original issuance only if the Person entitled to
receive such Bearer Security shall have furnished a certificate in the form set forth in Exhibit
A-1 to this Indenture, dated no earlier than 15 days prior to the earlier of the date on which such
Bearer Security is delivered and the date on which any temporary Security first becomes
exchangeable for such Bearer Security in accordance with the terms of such temporary Security and
this Indenture. If any Security shall be represented by a permanent global Bearer Security, then,
for purposes of this Section and Section 3.04, the notation of a beneficial owner’s interest
therein upon original issuance of such Security or upon exchange of a portion of a temporary global
Security shall be deemed to be delivery in connection with its original issuance of such beneficial
owner’s interest in such permanent global Security. Except as permitted by Section 3.06, the
Trustees shall not authenticate and deliver any Bearer Security unless all appurtenant coupons for
interest then matured have been detached and cancelled. If not all the Securities of any series
are to be issued at one time and if the Board Resolution or supplemental indenture establishing
such series shall so permit, such Company Order may set forth procedures acceptable to the Trustees
for the issuance of such Securities and determining terms of particular Securities of such series
such as interest rate, stated maturity, date of issuance and date from which interest shall accrue.

     In authenticating such Securities, and accepting the additional responsibilities under this
Indenture in relation to such Securities, the Trustees shall be entitled to receive, and (subject
to Trust Indenture Legislation and TIA Sections 315(a) through 315(d)) shall be fully protected in
relying upon, an Opinion of Counsel stating:

     (a) that the form or forms of such Securities and any coupons have been established in
conformity with the provisions of this Indenture;

- 29 -

 

     (b) that the terms of such Securities and any coupons have been established in conformity with
the provisions of this Indenture;

     (c) that such Securities, together with any coupons appertaining thereto, when completed by
appropriate insertions and executed and delivered by the Company to the Trustees for authentication
in accordance with this Indenture, authenticated and delivered by the Trustees, or either of them,
in accordance with this Indenture and issued by the Company in the manner and subject to any
conditions specified in such Opinion of Counsel, will constitute the legal, valid and binding
obligations of the Company, enforceable in accordance with their terms, subject to applicable
bankruptcy, insolvency, reorganization and other similar laws of general applicability relating to
or affecting the enforcement of creditors’ rights and to general equitable principles and to such
other qualifications as such counsel shall conclude do not materially affect the rights of Holders
of such Securities and any coupons;

     (d) that all laws and requirements in respect of the execution and delivery by the Company of
such Securities, any coupons and of the supplemental indentures, if any, have been complied with
and that authentication and delivery of such Securities and any coupons and the execution and
delivery of the supplemental indentures, if any, by the Trustees will not violate the terms of the
Indenture;

     (e) that the Company has the corporate power to issue such Securities and any coupons, and has
duly taken all necessary corporate action with respect to such issuance; and

     (f) that the issuance of such Securities and any coupons will not contravene the articles of
incorporation or continuance, or such other constating documents then in effect, if any, or by-laws
of the Company or result in any violation of any of the terms or provisions of any law or
regulation or of any indenture, mortgage or other agreement known to such Counsel by which the
Company is bound.

     Notwithstanding the provisions of Section 3.01 and of the preceding two paragraphs, if not all
the Securities of any series are to be issued at one time, it shall not be necessary to deliver the
Officers’ Certificate otherwise required pursuant to Section 3.01 or the Company Order and Opinion
of Counsel otherwise required pursuant to the preceding two paragraphs prior to or at the time of
issuance of each Security, but such documents shall be delivered prior to or at the time of
issuance of the first Security of such series.

     The Trustees shall not be required to authenticate and deliver any such Securities if the
issue of such Securities pursuant to this Indenture will affect the Trustees’ own rights, duties or
immunities under the Securities and this Indenture or otherwise in a manner which is not reasonably
acceptable to the Trustees.

     Each Registered Security shall be dated the date of its authentication and each Bearer
Security shall be dated as of the date specified as contemplated by Section 3.01.

     No Security or coupon shall entitle a Holder to any benefit under this Indenture or be valid
or obligatory for any purpose unless there appears on such Security a certificate of authentication
substantially in the form provided for herein duly executed by the U.S. Trustee or by the Canadian
Trustee by manual signature of an authorized officer, and such certificate upon

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any Security shall be conclusive evidence, and the only evidence, that such Security has been
duly authenticated and delivered hereunder and is entitled to the benefits of this Indenture.
Notwithstanding the foregoing, if any Security shall have been authenticated and delivered
hereunder but never issued and sold by the Company, and the Company shall deliver such Security to
the Trustees for cancellation as provided in Section 3.10 together with a written statement (which
need not comply with Section 1.02 and need not be accompanied by an Opinion of Counsel) stating
that such Security has never been issued and sold by the Company, for all purposes of this
Indenture such Security shall be deemed never to have been authenticated and delivered hereunder
and shall never entitle a Holder to the benefits of this Indenture.

Section 3.04 Temporary Securities

     Pending the preparation of definitive Securities of any series, the Company may execute, and
upon Company Order, the Trustees, or either of them, shall authenticate and deliver, temporary
Securities which are printed, lithographed, typewritten, mimeographed or otherwise produced, in any
authorized denomination, substantially of the tenor of the definitive Securities in lieu of which
they are issued, in registered form or, if authorized, in bearer form with one or more coupons or
without coupons, and with such appropriate insertions, omissions, substitutions and other
variations as the officers executing such Securities may determine, as conclusively evidenced by
their execution of such Securities. Such temporary Securities may be in global form.

     Except in the case of temporary Securities in global form (which shall be exchanged in
accordance with the provisions of the following paragraphs), if temporary Securities of any series
are issued, the Company will cause definitive Securities of that series to be prepared without
unreasonable delay. After the preparation of definitive Securities of such series, the temporary
Securities of such series shall be exchangeable for definitive Securities of such series upon
surrender of the temporary Securities of such series at the office or agency of the Company in a
Place of Payment for that series, without charge to the Holder. Notwithstanding that procedure,
Canadian Securities issued in temporary form must be returned to the Canadian Trustee for
cancellation. Upon surrender for cancellation of any one or more temporary Securities of any
series (accompanied by any unmatured coupons appertaining thereto), the Company shall execute and
either Trustee shall authenticate and deliver in exchange therefor a like principal amount of
definitive Securities of the same series of authorized denominations; provided,
however, that no definitive Bearer Security shall be delivered in exchange for a temporary
Registered Security; and provided further that a definitive Bearer Security shall be delivered in
exchange for a temporary Bearer Security only in compliance with the conditions set forth in
Section 3.03. Until so exchanged the temporary Securities of any series shall in all respects be
entitled to the same benefits under this Indenture as definitive Securities of such series.

     If temporary Securities of any series are issued in global form, any such temporary global
Security shall, unless otherwise provided therein, be delivered to the office of a depositary or
common depositary (the “Common Depositary”) or the Depositary, as applicable, for credit to the
respective accounts of the beneficial owners of such Securities (or to such other accounts as they
may direct).

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     Without unnecessary delay but in any event not later than the date specified in, or determined
pursuant to the terms of, any such temporary global Security (the “Exchange Date”), the Company
shall deliver to the Trustees definitive Securities, in aggregate principal amount equal to the
principal amount of such temporary global Security, executed by the Company. On or after the
Exchange Date such temporary global Security shall be surrendered by the Common Depositary to the
Trustees, as the Company’s agent for such purpose, to be exchanged, in whole or from time to time
in part, for definitive Securities without charge and either Trustee shall authenticate and
deliver, in exchange for each portion of such temporary global Security, an equal aggregate
principal amount of definitive Securities of the same series of authorized denominations and of
like tenor as the portion of such temporary global Security to be exchanged. The definitive
Securities to be delivered in exchange for any such temporary global Security shall be in bearer
form, registered form, permanent global bearer form or permanent global registered form, or any
combination thereof, as specified as contemplated by Section 3.01, and, if any combination thereof
is so specified, as requested by the beneficial owner thereof; provided, however,
that, unless otherwise specified in such temporary global Security, upon such presentation by the
Common Depositary, such temporary global Security is accompanied by a certificate dated the
Exchange Date or a subsequent date and signed by the Depositary as to the portion of such temporary
global Security held for its account then to be exchanged and a certificate dated the Exchange Date
or a subsequent date, each in the form set forth in Exhibit A-2 to this Indenture (or in such other
form as may be established pursuant to Section 3.01); and provided further that definitive Bearer
Securities shall be delivered in exchange for a portion of a temporary global Security only in
compliance with the requirements of Section 3.03.

     Unless otherwise specified in such temporary global Security, the interest of a beneficial
owner of Securities of a series in a temporary global Security shall be exchanged for definitive
Securities of the same series and of like tenor following the Exchange Date when the account holder
instructs the Depositary to request such exchange on his behalf and delivers to the Depositary a
certificate in the form set forth in Exhibit A-1 to this Indenture (or in such other form as may be
established pursuant to Section 3.01), dated no earlier than 15 days prior to the Exchange Date,
copies of which certificate shall be available from the offices of the Depositary, the Trustees,
any Authenticating Agent appointed for such series of Securities and each Paying Agent. Unless
otherwise specified in such temporary global Security, any such exchange shall be made free of
charge to the beneficial owners of such temporary global Security, except that a Person receiving
definitive Securities must bear the cost of insurance, postage, transportation and the like in the
event that such Person does not take delivery of such definitive Securities in person at the
offices of the Depositary. Definitive Securities in bearer form to be delivered in exchange for
any portion of a temporary global Security shall be delivered only outside the United States.

     Until exchanged in full as hereinabove provided, the temporary Securities of any series shall
in all respects be entitled to the same benefits under this Indenture as definitive Securities of
the same series and of like tenor authenticated and delivered hereunder, except that, unless
otherwise specified as contemplated by Section 3.01, interest payable on a temporary global
Security on an Interest Payment Date for Securities of such series occurring prior to the
applicable Exchange Date shall be payable to the Depositary on such Interest Payment Date upon
delivery by the Depositary to the Trustees of a certificate or certificates in the form set forth
in Exhibit A-2 to this Indenture (or in such other form as may be established pursuant to Section

- 32 -

 

3.01), for credit without further interest thereon on or after such Interest Payment Date to
the respective accounts of the Persons who are the beneficial owners of such temporary global
Security on such Interest Payment Date and who have each delivered to the Depositary a certificate
dated no earlier than 15 days prior to the Interest Payment Date occurring prior to such Exchange
Date in the form set forth in Exhibit A-1 to this Indenture (or in such other form as may be
established pursuant to Section 3.01). Notwithstanding anything to the contrary herein contained,
the certifications made pursuant to this paragraph shall satisfy the certification requirements of
the preceding two paragraphs of this Section and of the third paragraph of Section 3.03 of this
Indenture and the interests of the Persons who are the beneficial owners of the temporary global
Security with respect to which such certification was made will be exchanged for definitive
Securities of the same series and of like tenor on the Exchange Date or the date of certification
if such date occurs after the Exchange Date, without further act or deed by such beneficial owners.
Except as otherwise provided in this paragraph, no payments of principal (or premium, if any) or
interest, if any, owing with respect to a beneficial interest in a temporary global Security will
be made unless and until such interest in such temporary global Security shall have been exchanged
for an interest in a definitive Security. Any interest so received by the Depositary and not paid
as herein provided shall be returned to the Trustees immediately prior to the expiration of two
years after such Interest Payment Date in order to be repaid to the Company in accordance with
Section 11.03.

Section 3.05 Registration, Registration of Transfer and Exchange

     So long as required by Trust Indenture Legislation, the Company shall cause to be kept at the
Corporate Trust Offices of the Trustees a register for each series of Securities(the registers
maintained in the Corporate Trust Offices of the Trustees and in any other office or agency of the
Company in a Place of Payment being herein sometimes collectively referred to as the “Central
Register”) in which, subject to such reasonable regulations as it may prescribe, the Company shall
provide for the registration of the Holders of Registered Securities and of transfers of Registered
Securities. The Central Register shall be in written form or any other form capable of being
converted into written form within a reasonable time. At all reasonable times, the Central
Register shall be open to inspection by the Trustee. The Company will cause the particulars of
each such issue, exchange or transfer of Securities to be recorded in the Central Register. The
Company hereby appoints the Canadian Trustee as the Central Registrar and Transfer Agent for the
Canadian Securities and the U.S. Trustee as the Central Registrar and Transfer Agent for the U.S.
Securities (collectively, the “Central Securities Registrars”). There shall be two such Central
Registers, one for U.S. Securities and one for Canadian Securities. If permitted by Trust
Indenture Legislation, the Company may appoint a Person other than the Company or a trust
corporation registered under the Trust and Loan Companies Act, S.C. 1991, c. 45 as the Central
Securities Registrar; provided that, no such removal or replacement shall be effective until a
successor Central Security Registrar with respect to such series of Registered Securities shall
have been appointed by the Company and shall have accepted such appointment by the Company. In the
event that the Trustees shall not be or shall cease to be the Central Securities Registrar with
respect to a series of Securities, it shall have the right to examine the Central Register for such
series at all reasonable times. There shall be only one Central Securities Register for such
series of Securities.

- 33 -

 

     The Company may, subject to the consent of the Appropriate Trustee, also cause to be
maintained a branch register (a “Branch Register”) or Branch Registers of Holders of Securities in
accordance with Section 11.02 in the same manner and containing the same information with respect
to each entry contained therein as contained in the Central Register. A copy of every entry in a
Branch Register shall, promptly after the entry is made, be transmitted to the Central Security
Registrar. If there is a conflict between the information contained in the Central Register and
the information contained in the Branch Register, the information contained in the Central Register
shall prevail. The Central Register together with each Branch Register are collectively referred
to herein as the “Security Register”. At all reasonable times, the Security Register shall be open
to inspection by the Trustees. The Company may appoint from time to time one or more branch
security registrars (“Branch Security Registrars”) and may from time to time rescind any such
appointment. The Central Security Registrar together with each Branch Security Registrar are
collectively referred to herein as the “Security Registrar”.

     Upon surrender for registration of transfer of any Registered Security of any series at the
office or agency in a Place of Payment for that series, the Company shall execute, and the
Appropriate Trustee shall authenticate and deliver, in the name of the designated transferee, one
or more new Registered Securities of the same series, of any authorized denominations and of a like
aggregate principal amount and tenor.

     For Canadian Securities, the Security must be duly endorsed for transfer or in a duly endorsed
transferable form as applicable and must comply with the current industry practice in accordance
with the Securities Transfer Association of Canada.

     At the option of the Holder, Registered Securities of any series may be exchanged for other
Registered Securities of the same series, of any authorized denomination and of a like aggregate
principal amount, upon surrender of the Registered Securities to be exchanged at such office or
agency. Whenever any Registered Securities are so surrendered for exchange, the Company shall
execute, and the Appropriate Trustee shall authenticate and deliver, the Registered Securities
which the Holder making the exchange is entitled to receive. Unless otherwise specified with
respect to any series of Securities as contemplated by Section 3.01, Bearer Securities may not be
issued in exchange for Registered Securities. The Appropriate Trustee shall update the Register,
or, if the Appropriate Trustee is not the Authenticating Agent, the Appropriate Trustee shall
immediately provide a copy of the newly Authenticated Security to the Central Registrar so that the
Register may be updated.

     If (but only if) expressly permitted in or pursuant to the applicable Board Resolution and
(subject to Section 3.03) set forth in the applicable Officers’ Certificate, or in any indenture
supplemental hereto, delivered as contemplated by Section 3.01, at the option of the Holder, Bearer
Securities of any series may be exchanged for Registered Securities of the same series of any
authorized denomination and of a like aggregate principal amount and tenor, upon surrender of the
Bearer Securities to be exchanged at the office of the Appropriate Trustee, with all unmatured
coupons and all matured coupons in default thereto appertaining. If the Holder of a Bearer
Security is unable to produce any such unmatured coupon or coupons or matured coupon or coupons in
default, any such permitted exchange may be effected if the Bearer Securities are accompanied by
payment in funds acceptable to the Company in an amount equal to the face amount of such missing
coupon or coupons, or the surrender of such missing coupon or coupons

- 34 -

 

may be waived by the Company and the Trustees if there is furnished to them such security or
indemnity as they may require to save each of them and any Paying Agent harmless. If thereafter
the Holder of such Security shall surrender to any Paying Agent any such missing coupon in respect
of which such a payment shall have been made, such Holder shall be entitled to receive the amount
of such payment; provided, however, that, except as otherwise provided in Section
11.02, interest represented by coupons shall be payable only upon presentation and surrender of
those coupons at an office or agency located outside the United States. Notwithstanding the
foregoing, in case a Bearer Security of any series is surrendered at any such office or agency in a
permitted exchange for a Registered Security of the same series and like tenor after the close of
business at such office or agency on (i) any Regular Record Date and before the opening of business
at such office or agency on the relevant Interest Payment Date, or (ii) any Special Record Date and
before the opening of business at such office or agency on the related proposed date for payment of
Defaulted Interest, such Bearer Security shall be surrendered without the coupon relating to such
Interest Payment Date or proposed date for payment, as the case may be, and interest or Defaulted
Interest, as the case may be, will not be payable on such Interest Payment Date or proposed date
for payment, as the case may be, in respect of the Registered Security issued in exchange for such
Bearer Security, but will be payable only to the Holder of such coupon when due in accordance with
the provisions of this Indenture.

     Whenever any Securities are so surrendered for exchange, the Company shall execute, and the
Appropriate Trustee shall authenticate and deliver, the Securities which the Holder making the
exchange is entitled to receive.

     Notwithstanding the foregoing, except as otherwise specified as contemplated by Section 3.01,
any permanent global Security shall be exchangeable only as provided in this paragraph. If any
beneficial owner of an interest in a permanent global Security is entitled to exchange such
interest for Securities of such series and of like tenor and principal amount of another authorized
form and denomination, as contemplated by Section 3.01 and provided that any applicable notice
provided in the permanent global Security shall have been given to the Company, the Appropriate
Trustee and the Common Depositary, then without unnecessary delay but in any event not later than
the earliest date on which such interest may be so exchanged, the Company shall deliver to the
Appropriate Trustee definitive Securities in aggregate principal amount equal to the principal
amount of such beneficial owner’s interest in such permanent global Security, executed by the
Company. On or after the earliest date on which such interests may be so exchanged, such permanent
global Security shall be surrendered by the Common Depositary or such other depositary as shall be
specified in the Company Order with respect thereto to the Appropriate Trustee, as the Company’s
agent for such purpose, to be exchanged in whole or from time to time in part, for definitive
Securities without charge, and the Appropriate Trustee shall authenticate and deliver, in exchange
for each portion of such permanent global Security, an equal aggregate principal amount of
definitive Securities of the same series of authorized denominations and of like tenor as the
portion of such permanent global Security to be exchanged which, unless the Securities of the
series are not issuable both as Bearer Securities and as Registered Securities, as specified as
contemplated by Section 3.01, shall be in the form of Bearer Securities or Registered Securities,
or any combination thereof, as shall be specified by the beneficial owner thereof. The Appropriate
Trustee shall promptly provide to the Common Depositary (or other applicable Depositary) a
replacement global Security in the aggregate

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principal amount of the global Security not being so exchanged. The Appropriate Trustee shall
note the exchange on the register for such Securities. Notwithstanding the foregoing, no such
exchanges may occur during a period beginning at the opening of business 15 days before any
selection of Securities to be redeemed and ending on the relevant Redemption Date if the Security
for which exchange is requested may be among those selected for redemption; and provided, further,
that no Bearer Security delivered in exchange for a portion of a permanent global Security shall be
mailed or otherwise delivered to any location in the United States. If a Registered Security is
issued in exchange for any portion of a permanent global Security after the close of business at
the office or agency where such exchange occurs on (i) any Regular Record Date and before the
opening of business at such office or agency on the relevant Interest Payment Date, or (ii) any
Special Record Date and before the opening of business at such office or agency on the related
proposed date for payment of Defaulted Interest, interest or Defaulted Interest, as the case may
be, will not be payable on such Interest Payment Date or proposed date for payment, as the case may
be, in respect of such Registered Security, but will be payable on such Interest Payment Date or
proposed date for payment, as the case may be, only to the Person to whom interest in respect of
such portion of such permanent global Security is payable in accordance with the provisions of this
Indenture.

     Transfers of global Securities shall be limited to transfers in whole, but not in part, to the
Depositary, its successors or their respective nominees. If at any time the Depositary of a series
notifies the Company that it is unwilling, unable or no longer qualifies to continue as Depositary
of such series or if at any time the Depositary for such series shall no longer be registered or in
good standing under the Exchange Act, or other applicable statute or regulation, the Company shall
appoint a successor depositary with respect to the Securities for such series. If a successor to
the Depositary is not appointed by the Company within 90 days after the Company receives such
notice or becomes aware of such condition, as the case may be, the Company’s election pursuant to
Section 3.01 shall no longer be effective with respect to the Securities for such series and the
Company will execute, and the Appropriate Trustee, upon receipt of a Company Order for the
authentication and delivery of definitive Securities of such series, will authenticate and deliver
Securities of such series in definitive, registered form, in authorized denominations, and in an
aggregate principal amount equal to the principal amount of the global Security or Securities
representing such series in exchange for such global Security or Securities.

     The Company may at any time and in its sole discretion determine that the Securities of any
series issued in the form of one or more global Securities shall no longer be represented by such
global Security or Securities. In such event the Company will execute, and the Appropriate
Trustee, upon receipt of a Company Order for the authentication and delivery of definitive
Securities of such series, will authenticate and deliver Securities of such series in definitive,
registered form, in authorized denominations, and in an aggregate principal amount equal to the
principal amount of the global Security or Securities representing such series in exchange for such
global Security or Securities.

     Interests of a beneficial owner in global Securities may also be transferred or exchanged for
definitive Securities if, after the occurrence of an Event of Default with respect to such
Securities, and while such Event of Default is continuing, such owner notifies the Trustees in
writing that it wishes to receive a Security in definitive, registered form and provides to the
Trustees evidence reasonably satisfactory to the Trustees of its ownership interest in such

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Securities. In such event the Company will execute, and the Appropriate Trustee, upon receipt
of a Company Order for the authentication and delivery of definitive Securities of such series,
will authenticate and deliver Securities of such series in definitive, registered form, in
authorized denominations, and in an aggregate principal amount equal to the principal amount of the
global Security or Securities representing such series in exchange for such global Security or
Securities.

     Upon the exchange of a global Security for Securities in definitive registered form, such
global Security shall be cancelled by the Appropriate Trustee. Securities issued in exchange for a
global Security pursuant to this Section shall be registered in such names and in such authorized
denominations as the Depositary for such global Security, pursuant to instructions from its direct
or indirect participants or otherwise, shall instruct the Appropriate Trustee in writing. The
Appropriate Trustee shall deliver such Securities to the persons in whose names such Securities are
so registered.

     All Securities issued upon any registration of transfer or exchange of Securities shall be the
valid obligations of the Company, evidencing the same debt, and entitled to the same benefits under
this Indenture, as the Securities surrendered upon such registration of transfer or exchange.

     Every Registered Security presented or surrendered for registration of transfer or for
exchange shall (if so required by the Company or the Security Registrar or applicable securities
transfer industry practices) be duly endorsed, or be accompanied by a written instrument of
transfer, in form satisfactory to the Company and the Security Registrar, duly executed by the
Holder thereof or his attorney duly authorized in writing.

     Any registration of transfer or exchange of Securities may be subject to service charges by
the Central Securities Registrar and the Company may require payment of a sum sufficient to cover
any tax or other governmental charge that may be imposed in connection with any registration of
transfer or exchange of Securities, other than exchanges pursuant to Section 3.04, Section 10.06,
Section 12.07 or Section 14.05 not involving any transfer.

     The Company shall not be required (i) to issue, register the transfer of or exchange
Securities of any series in definitive form during a period beginning at the opening of business 15
days before the day of the selection for redemption of Securities of that series under Section
12.03 or Section 13.03 and ending at the close of business on (A) if Securities of the series are
issuable only as Registered Securities, the day of the mailing of the relevant notice of redemption
and (B) if Securities of the series are issuable as Bearer Securities, the day of the first
publication of the relevant notice of redemption or, (C) if Securities of the series are also
issuable as Registered Securities and there is no publication, the mailing of the relevant notice
of redemption, or (ii) to register the transfer of or exchange any Registered Security in
definitive form so selected for redemption in whole or in part, except the unredeemed portion of
any Security being redeemed in part, or (iii) to exchange any Bearer Security so selected for
redemption except that such a Bearer Security may be exchanged for a Registered Security of that
series and like tenor; provided that such Registered Security shall be simultaneously
surrendered for redemption, or (iv) to issue, register the transfer of or exchange any Security in
definitive form which has been surrendered for repayment at the option of the Holder, except the
portion, if any, of such Security not to be so repaid.

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Section 3.06 Mutilated, Destroyed, Lost and Stolen Securities

     If any mutilated Security or a Security with a mutilated coupon appertaining to it is
surrendered to either Trustee, the Company shall execute and either Trustee shall authenticate and
deliver in exchange therefor a new Security of the same series and of like tenor and principal
amount and bearing a number not contemporaneously outstanding, with coupons corresponding to the
coupons, if any, appertaining to the surrendered Security, or, in case any such mutilated Security
or coupon has become or is about to become due and payable, the Company in its discretion may,
instead of issuing a new Security, with coupons corresponding to the coupons, if any, appertaining
to the surrendered Security, pay such Security or coupon. If there shall be delivered to the
Company and to either Trustee (i) evidence to their satisfaction of the destruction, loss or theft
of any Security or coupon and (ii) such security (or surety in the case of the Canadian Trustee) or
indemnity as may be required by them to save each of them and any agent of either of them harmless,
then, in the absence of notice to the Company or the Trustees that such Security or coupon has been
acquired by a protected purchaser (as defined in Article 8 of the UCC), the Company shall execute
and upon Company Order either Trustee shall authenticate and deliver, in lieu of any such
destroyed, lost or stolen Security or in exchange for the Security for which a destroyed, lost or
stolen coupon appertains (with all appurtenant coupons not destroyed, lost or stolen), a new
Security of the same series and of like tenor and principal amount and bearing a number not
contemporaneously outstanding, with coupons corresponding to the coupons, if any, appertaining to
such destroyed, lost or stolen Security or to the Security to which such destroyed, lost or stolen
coupon appertains.

     Notwithstanding the provisions of the previous paragraph, in case any such mutilated,
destroyed, lost or stolen Security or coupon has become or is about to become due and payable, the
Company in its discretion may, instead of issuing a new Security, with coupons corresponding to the
coupons, if any, appertaining to such mutilated, destroyed, lost or stolen Security or to the
Security to which such mutilated, destroyed, lost or stolen coupon appertains, pay such Security or
coupon; provided, however, that payment of principal of (and premium, if any) and
interest, if any, on Bearer Securities shall, except as otherwise provided in Section 11.02, be
payable only at an office or agency located outside the United States and, unless otherwise
specified as contemplated by Section 3.01, any interest on Bearer Securities shall be payable only
upon presentation and surrender of the coupons appertaining thereto.

     Upon the issuance of any new Security under this Section, the Company may require the payment
of a sum sufficient to cover any tax or other governmental charge that may be imposed in relation
thereto and any other expenses (including the fees and expenses of the Trustees) connected
therewith.

     Every new Security of any series with its coupons, if any, issued pursuant to this Section in
lieu of any mutilated, destroyed, lost or stolen Security or in exchange for a Security to which a
mutilated, destroyed, lost or stolen coupon appertains, shall constitute an original additional
contractual obligation of the Company, whether or not the mutilated, destroyed, lost or stolen
Security and its coupons, if any, or the mutilated, destroyed, lost or stolen coupon shall be at
any time enforceable by anyone, and the Holders of such Security shall be entitled to all the
benefits of this Indenture equally and proportionately with the Holders of any and all other
Securities of that series and their coupons, if any, duly issued hereunder.

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     The provisions of this Section as amended or supplemented pursuant to this Indenture with
respect to particular securities or generally are exclusive and shall preclude (to the extent
lawful) all other rights and remedies with respect to the replacement or payment of mutilated,
destroyed, lost or stolen Securities or coupons.

Section 3.07 Payment of Principal; Premium; Interest; Interest Rights Preserved; Optional Interest
Reset

     (a) Unless otherwise provided as contemplated by Section 3.01 with respect to any series of
Securities, principal of, and premium, if any, and interest, if any, on any Registered Security
which is payable, and is punctually paid or duly provided for, on any Interest Payment Date or
other date in which the principal of, and premium, if any, is payable shall be paid by the Paying
Agent to the Person in whose name such Security (or one or more Predecessor Securities) is
registered at the close of business on the Regular Record Date for such principal, premium or
interest, as the case may be, at the office or agency of the Company maintained for such purpose
pursuant to Section 11.02; provided, however, that each installment of principal
of, and premium, if any, and interest, if any, on any Registered Security may at the Company’s
option be paid by (i) mailing a check for such interest, payable to or upon the written order of
the Person entitled thereto pursuant to Section 3.09, to the address of such Person as it appears
on the Security Register or (ii) transfer to an account located in the United States maintained by
the payee of a Holder of $2.0 million or more in aggregate principal amount of such Securities
(with wire transfer instructions provided to the Trustee not less than 15 days prior to payment of
interest by wire transfer). The Paying Agent shall confirm in writing to the Canadian Trustee upon
payment having been made to Holders of Canadian Securities within five days.

     Unless otherwise provided as contemplated by Section 3.01 with respect to the Securities of
any series, payment of interest, if any, may be made, in the case of a Bearer Security, by transfer
to an account located outside the United States maintained by the payee.

     Unless otherwise provided as contemplated by Section 3.01, every permanent global Security
will provide that interest, if any, payable on any Interest Payment Date will be paid to the
Depositary with respect to that portion of such permanent global Security held for its account by
the Common Depositary, for the purpose of permitting the Depositary to credit the interest, if any,
received by it in respect of such permanent global Security to the accounts of the beneficial
owners thereof.

     Any interest on any Registered Security of any series which is payable, but is not punctually
paid or duly provided for, on any Interest Payment Date shall forthwith cease to be payable to the
Holder on the relevant Regular Record Date by virtue of having been such Holder, and such defaulted
interest and, if applicable, interest on such defaulted interest (to the extent lawful) at the rate
specified in the Securities of such series (such defaulted interest and, if applicable, interest
thereon herein collectively called “Defaulted Interest”) must be paid by the Company as provided
for in either clause (1) or (2), at the Company’s election:

	 	(1)	 	The Company may elect to make payment of any Defaulted Interest to the Persons
in whose names the Registered Securities of such series (or their respective
Predecessor Securities) are registered at the close of business on a

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	 	 	 	Special Record Date for the payment of such Defaulted Interest, which shall be fixed
in the following manner. The Company shall notify the Trustees in writing of the
amount of Defaulted Interest proposed to be paid on each Registered Security of such
series and the date of the proposed payment, and at the same time the Company shall
deposit with either Trustee an amount of money in the Currency in which the
Securities of such series are payable (except as otherwise specified pursuant to
Section 3.01 for the Securities of such series and except, if applicable, as
provided in Section 3.12(b), Section 3.12(d) and Section 3.12(e)) equal to the
aggregate amount proposed to be paid in respect of such Defaulted Interest or shall
make arrangements satisfactory to the Trustees for such deposit on or prior to the
date of the proposed payment, such money when deposited to be held in trust for the
benefit of the Persons entitled to such Defaulted Interest as in this clause
provided. Thereupon the Trustees shall fix a Special Record Date for the payment of
such Defaulted Interest which shall be not more than 15 days and not less than 10
days prior to the date of the proposed payment and not less than 10 days after the
receipt by the Trustees of the notice of the proposed payment. The Trustees shall
promptly notify the Company of such Special Record Date and, in the name and at the
expense of the Company, shall cause notice of the proposed payment of such Defaulted
Interest and the Special Record Date therefor to be given in the manner provided in
Section 1.06, not less than 10 days prior to such Special Record Date. Notice of
the proposed payment of such Defaulted Interest and the Special Record Date therefor
having been so given, such Defaulted Interest shall be paid to the Persons in whose
name the Registered Securities of such series (or their respective Predecessor
Securities) are registered at the close of business on such Special Record Date and
shall no longer be payable pursuant to the following clause (2).
	 
	 	(2)	 	The Company may make payment of any Defaulted Interest on the Registered
Securities of any series in any other lawful manner not inconsistent with the
requirements of any securities exchange on which such Securities may be listed, and,
upon such notice as may be required by such exchange, if, after notice given by the
Company to the Trustees of the proposed payment pursuant to this clause, such manner of
payment shall be deemed practicable by the Trustees.

     (b) The provisions of this Subsection may be made applicable to any series of Securities
pursuant to Section 3.01 (with such modifications, additions or substitutions as may be specified
pursuant to such Section 3.01). The interest rate (or the spread or spread multiplier used to
calculate such interest rate, if applicable) on any Security of such series may be reset by the
Company on the date or dates specified on the face of such Security (each an “Optional Reset
Date”). The Company may exercise such option with respect to such Security by notifying the
Trustees of such exercise at least 50 but not more than 60 days prior to an Optional Reset Date for
such Security. Not later than 40 days prior to each Optional Reset Date, the Trustees shall
transmit, in the manner provided for in Section 1.06, to the Holder of any such Security a notice
(the “Reset Notice”) indicating whether the Company has elected to reset the interest rate (or the
spread or spread multiplier used to calculate such interest rate, if applicable), and if so (i)
such new interest rate (or such new spread or spread multiplier, if applicable) and (ii) the
provisions, if any, for redemption during the period from such Optional Reset Date to the next
Optional Reset

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Date or if there is no such next Optional Reset Date, to the Stated Maturity Date of such
Security (each such period a “Subsequent Interest Period”), including the date or dates on which or
the period or periods during which and the price or prices at which such redemption may occur
during the Subsequent Interest Period.

     Notwithstanding the foregoing, not later than 20 days prior to the Optional Reset Date, the
Company may, at its option, revoke the interest rate (or the spread or spread multiplier used to
calculate such interest rate, if applicable) provided for in the Reset Notice and establish an
interest rate (or the spread or spread multiplier, if applicable) that is higher than the interest
rate (or the spread or spread multiplier, if applicable) provided for in the Reset Notice, for the
Subsequent Interest Period by causing the Trustees to transmit, in the manner provided for in
Section 1.06, notice of such higher interest rate (or such higher spread or spread multiplier, if
applicable) to the Holder of such Security. Such notice shall be irrevocable. All Securities with
respect to which the interest rate (or the spread or spread multiplier used to calculate such
interest rate, if applicable) is reset on an Optional Reset Date, and with respect to which the
Holders of such Securities have not tendered such Securities for repayment (or have validly revoked
any such tender) pursuant to the next succeeding paragraph, will bear such higher interest rate (or
such higher spread or spread multiplier, if applicable).

     The Holder of any such Security will have the option to elect repayment by the Company of the
principal of such Security on each Optional Reset Date at a price equal to the principal amount
thereof plus interest accrued to such Optional Reset Date. In order to obtain repayment on an
Optional Reset Date, the Holder must follow the procedures set forth in Article Fourteen for
repayment at the option of Holders except that the period for delivery or notification to the
Trustees shall be at least 25 but not more than 35 days prior to such Optional Reset Date and
except that, if the Holder has tendered any Security for repayment pursuant to the Reset Notice,
the Holder may, by written notice to the Trustees, revoke such tender or repayment until the close
of business on the tenth day before such Optional Reset Date.

     Subject to the foregoing provisions of this Section and Section 3.05, each Security delivered
under this Indenture upon registration of transfer of or in exchange for or in lieu of any other
Security shall carry the rights to interest accrued and unpaid, and to accrue, which were carried
by such other Security.

Section 3.08 Optional Extension of Stated Maturity

     The provisions of this Section 3.08 may be made applicable to any series of Securities
pursuant to Section 3.01 (with such modifications, additions or substitutions as may be specified
pursuant to such Section 3.01). The Stated Maturity of any Security of such series may be extended
at the option of the Company for the period or periods specified on the face of such Security (each
an “Extension Period”) up to but not beyond the date (the “Final Maturity”) set forth on the face
of such Security. The Company may exercise such option with respect to any Security by notifying
the Trustees of such exercise at least 50 but not more than 60 days prior to the Stated Maturity of
such Security in effect prior to the exercise of such option (the “Original Stated Maturity”). If
the Company exercises such option, the Trustees shall transmit, in the manner provided for in
Section 1.06, to the Holder of such Security not later than 40 days prior to the Original Stated
Maturity a notice (the “Extension Notice”) indicating (i) the election of the

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Company to extend the Stated Maturity, (ii) the new Stated Maturity, (iii) the interest rate,
if any, applicable to the Extension Period and (iv) the provisions, if any, for redemption during
such Extension Period. Upon the Trustees’ transmittal of the Extension Notice, the Stated Maturity
of such Security shall be extended automatically and, except as modified by the Extension Notice
and as described in the next paragraph, such Security will have the same terms as prior to the
transmittal of such Extension Notice.

     Notwithstanding the foregoing, not later than 20 days before the Original Stated Maturity of
such Security, the Company may, at its option, revoke the interest rate provided for in the
Extension Notice and establish a higher interest rate for the Extension Period by causing the
Trustees to transmit, in the manner provided for in Section 1.06, notice of such higher interest
rate to the Holder of such Security. Such notice shall be irrevocable. All Securities with
respect to which the Stated Maturity is extended will bear such higher interest rate.

     If the Company extends the Maturity of any Security, the Holder will have the option to elect
repayment of such Security by the Company on the original Stated Maturity at a price equal to the
principal amount thereof, plus interest accrued to such date. In order to obtain repayment on the
Original Stated Maturity once the Company has extended the Maturity thereof, the Holder must follow
the procedures set forth in Article Fourteen for repayment at the option of Holders, except that
the period for delivery or notification to the Trustees shall be at least 25 but not more than 35
days prior to the Original Stated Maturity and except that, if the Holder has tendered any Security
for repayment pursuant to an Extension Notice, the Holder may by written notice to the Trustees
revoke such tender for repayment until the close of business on the tenth day before the Original
Stated Maturity.

Section 3.09 Persons Deemed Owners

     Prior to due presentment of a Registered Security for registration of transfer, the Company,
the Trustees and any agent of the Company or the Trustees may treat the Person in whose name such
Registered Security is registered as the owner of such Registered Security for the purpose of
receiving payment of principal of (and premium, if any) and (subject to Section 3.05 and Section
3.07) interest, if any, on such Security and for all other purposes whatsoever (other than the
payment of Additional Amounts, if any), whether or not such Security be overdue, and none of the
Company, the Trustees or any agent of the Company or the Trustees shall be affected by notice to
the contrary.

     Title to any Bearer Security and any coupons appertaining thereto shall pass by delivery. The
Company, the Trustees and any agent of the Company or the Trustees may treat the bearer of any
Bearer Security and the bearer of any coupon as the absolute owner of such Security or coupon for
the purpose of receiving payment thereof or on account thereof and for all other purposes
whatsoever, whether or not such Security or coupons be overdue, and none of the Company, the
Trustees or any agent of the Company or the Trustees shall be affected by notice to the contrary.

     The Depositary for Securities may be treated by the Company, the Trustee, and any agent of the
Company or the Trustee as the owner of such global Security for all purposes whatsoever (other than
the payment of Additional Amounts, if any). None of the Company, the Trustees,

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any Paying Agent or the Security Registrar will have any responsibility or liability for any
aspect of the records relating to or payments made on account of beneficial ownership interests of
a Security in global form or for maintaining, supervising or reviewing any records relating to such
beneficial ownership interests.

     Notwithstanding the foregoing, with respect to any global Security, nothing herein shall
prevent the Company, the Trustees, or any agent of the Company or the Trustees, from giving effect
to any written certification, proxy or other authorization furnished by any depositary, as a
Holder, with respect to such global Security or impair, as between such depositary and owners of
beneficial interests in such global Security, the operation of customary practices governing the
exercise of the rights of such depositary (or its nominee) as Holder of such global Security.

Section 3.10 Cancellation

     All Securities and coupons surrendered for payment, redemption, repayment at the option of the
Holder, registration of transfer or exchange or for credit against any current or future sinking
fund payment shall, if surrendered to any Person other than a Trustee, be delivered to a Trustee.
All securities and coupons so delivered to either Trustee shall be promptly cancelled by it. The
Company may at any time deliver to either Trustee for cancellation any Securities previously
authenticated and delivered hereunder which the Company may have acquired in any manner whatsoever,
and may deliver to either Trustee (or to any other Person for delivery to such Trustee) for
cancellation any Securities previously authenticated hereunder which the Company has not issued and
sold, and all Securities so delivered shall be promptly cancelled by such Trustee. If the Company
shall so acquire any of the Securities, however, such acquisition shall not operate as a redemption
or satisfaction of the indebtedness represented by such Securities unless and until the same are
surrendered to a Trustee for cancellation. No Securities shall be authenticated in lieu of or in
exchange for any Securities cancelled as provided in this Section, except as expressly permitted by
this Indenture. All cancelled Securities held by a Trustee shall be disposed of by such Trustee in
accordance with its customary procedures and certification of their disposal delivered to the
Company unless by Company Order the Company shall direct that cancelled Securities be returned to
it.

Section 3.11 Computation of Interest

     Except as otherwise specified as contemplated by Section 3.01 with respect to any Securities,
interest, if any, on the Securities of each series shall be computed on the basis of a 360-day year
of twelve 30-day months. For the purposes of disclosure under the Interest Act (Canada), the
yearly rate of interest to which interest calculated under a Canadian Security for any period in
any calendar year (the “calculation period”) is equivalent, is the rate payable under a Canadian
Security in respect of the calculation period multiplied by a fraction the numerator of which is
the actual number of days in such calendar year and the denominator of which is the actual number
of days in the calculation period. If the Canadian Trustee is appointed Paying Agent, it shall be
entitled to rely on the calculations to be provided by the Company.

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Section 3.12 Currency and Manner of Payments in Respect of Securities

     (a) With respect to Registered Securities of any series not permitting the election provided
for in paragraph (b) below or the Holders of which have not made the election provided for in
paragraph (b) below, and with respect to Bearer Securities of any series, except as provided in
paragraph (d) below, payment of the principal of (and premium, if any) and interest, if any, on any
Registered or Bearer Security of such series will be made in the Currency in which such Registered
Security or Bearer Security, as the case may be, is payable. The provisions of this Section may be
modified or superseded with respect to any Securities pursuant to Section 3.01.

     (b) It may be provided pursuant to Section 3.01 with respect to Registered Securities of any
series that Holders shall have the option, subject to paragraphs (d) and (e) below, to receive
payments of principal of (or premium, if any) or interest, if any, on such Registered Securities in
any of the Currencies which may be designated for such election by delivering to the Trustees a
written election with signature guarantees and in the applicable form established pursuant to
Section 3.01, not later than the close of business on the Election Date immediately preceding the
applicable payment date. If the Canadian Trustee or the U.S. Trustee is appointed Paying Agent,
the ability to receive payments of principal of (or premium, if any) or interest, if any in the
Currency designated for election will be subject to the Canadian Trustee’s or the U.S. Trustee’s
ability, as Paying Agent, to accommodate payment in the Currency elected. If a Holder so elects to
receive such payments in any such Currency, such election will remain in effect for such Holder or
any transferee of such Holder until changed by such Holder or such transferee by written notice to
the Trustees (but any such change must be made not later than the close of business on the Election
Date immediately preceding the next payment date to be effective for the payment to be made on such
payment date and no such change of election may be made with respect to payments to be made on any
Registered Security of such series with respect to which an Event of Default has occurred or with
respect to which the Company has deposited funds pursuant to Articles Four or Fifteen or with
respect to which a notice of redemption has been given by the Company or a notice of option to
elect repayment has been sent by such Holder or such transferee). Any Holder of any such
Registered Security who shall not have delivered any such election to the Trustees not later than
the close of business on the applicable Election Date will be paid the amount due on the applicable
payment date in the relevant Currency as provided in Section 3.12(a). The Trustees shall notify
the Exchange Rate Agent as soon as practicable after the Election Date of the aggregate principal
amount of Registered Securities for which Holders have made such written election.

     (c) Unless otherwise specified pursuant to Section 3.01, if the election referred to in
paragraph (b) above has been provided for pursuant to Section 3.01, then, unless otherwise
specified pursuant to Section 3.01, not later than the fourth Business Day after the Election Date
for each payment date for Registered Securities of any series, the Exchange Rate Agent will deliver
to the Company a written notice specifying, in the Currency in which Registered Securities of such
series are payable, the respective aggregate amounts of principal of (and premium, if any) and
interest, if any, on the Registered Securities to be paid on such payment date, specifying the
amounts in such Currency so payable in respect of the Registered Securities as to which the Holders
of Registered Securities of such series shall have elected to be paid in another currency as
provided in paragraph (b) above. If the election referred to in paragraph (b)

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above has been provided for pursuant to Section 3.01 and if at least one Holder has made such
election, then, unless otherwise specified pursuant to Section 3.01, on the seventh Business Day
preceding such payment date the Company will deliver to the Trustees for such series of Registered
Securities an Exchange Rate Officers’ Certificate in respect of the Dollar or Foreign Currency
payments to be made on such payment date. Unless otherwise specified pursuant to Section 3.01, the
Dollar or Foreign Currency amount receivable by Holders of Registered Securities who have elected
payment in a Currency as provided in paragraph (b) above shall be determined by the Company on the
basis of the applicable Market Exchange Rate in effect on the eighth Business Day (the “Valuation
Date”) immediately preceding each payment date, and such determination shall be conclusive and
binding for all purposes, absent manifest error.

     (d) If a Conversion Event occurs with respect to a Foreign Currency in which any of the
Securities are denominated or payable other than pursuant to an election provided for pursuant to
paragraph (b) above, then, with respect to each date for the payment of principal of (and premium,
if any) and interest, if any, on the applicable Securities denominated or payable in such Foreign
Currency occurring after the last date on which such Foreign Currency was used (the “Conversion
Date”), the Dollar shall be the Currency of payment for use on each such payment date. Unless
otherwise specified pursuant to Section 3.01, the Dollar amount to be paid by the Company to the
Trustees and by the Trustees or any Paying Agent to the Holders of such Securities with respect to
such payment date shall be, in the case of a Foreign Currency other than a currency unit, the
Dollar Equivalent of the Foreign Currency or, in the case of a currency unit, the Dollar Equivalent
of the Currency Unit, in each case as determined by the Exchange Rate Agent in the manner provided
in paragraph (f) or (g) below.

     (e) Unless otherwise specified pursuant to Section 3.01, if the Holder of a Registered
Security denominated in any Currency shall have elected to be paid in another Currency as provided
in paragraph (b) above, and a Conversion Event occurs with respect to such elected Currency, such
Holder shall receive payment in the Currency in which payment would have been made in the absence
of such election; and if a Conversion Event occurs with respect to the Currency in which payment
would have been made in the absence of such election, such Holder shall receive payment in Dollars
as provided in paragraph (d) above.

     (f) The “Dollar Equivalent of the Foreign Currency” shall be determined by the Exchange Rate
Agent and shall be obtained for each subsequent payment date by converting the specified Foreign
Currency into Dollars at the Market Exchange Rate on the Conversion Date.

     (g) The “Dollar Equivalent of the Currency Unit” shall be determined by the Exchange Rate
Agent and subject to the provisions of paragraph (h) below shall be the sum of each amount obtained
by converting the Specified Amount of each Component Currency into Dollars at the Market Exchange
Rate for such Component Currency on the Valuation Date with respect to each payment.

     (h) For purposes of this Section the following terms shall have the following meanings:

     A “Component Currency” shall mean any Currency which, on the Conversion Date, was a component
currency of the relevant currency unit, including, but not limited to, the Euro.

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     A “Specified Amount” of a Component Currency shall mean the number of units of such Component
Currency or fractions thereof which were represented in the relevant currency unit, including, but
not limited to, the Euro, on the Conversion Date. If after the Conversion Date the official unit
of any Component Currency is altered by way of combination or subdivision, the Specified Amount of
such Component Currency shall be divided or multiplied in the same proportion. If after the
Conversion Date two or more Component Currencies are consolidated into a single currency, the
respective Specified Amounts of such Component Currencies shall be replaced by an amount in such
single Currency equal to the sum of the respective Specified Amounts of such consolidated Component
Currencies expressed in such single Currency, and such amount shall thereafter be a Specified
Amount and such single Currency shall thereafter be a Component Currency. If after the Conversion
Date any Component Currency shall be divided into two or more currencies, the Specified Amount of
such Component Currency shall be replaced by amounts of such two or more currencies, having an
aggregate Dollar Equivalent value at the Market Exchange Rate on the date of such replacement equal
to the Dollar Equivalent value of the Specified Amount of such former Component Currency at the
Market Exchange Rate immediately before such division and such amounts shall thereafter be
Specified Amounts and such currencies shall thereafter be Component Currencies. If, after the
Conversion Date of the relevant currency unit, including, but not limited to, the Euro, a
Conversion Event (other than any event referred to above in this definition of “Specified Amount”)
occurs with respect to any Component Currency of such currency unit and is continuing on the
applicable Valuation Date, the Specified Amount of such Component Currency shall, for purposes of
calculating the Dollar Equivalent of the Currency Unit, be converted into Dollars at the Market
Exchange Rate in effect on the Conversion Date of such Component Currency.

     “Election Date” shall mean the date for any series of Registered Securities as specified
pursuant to clause (15) of Section 3.01 by which the written election referred to in paragraph (b)
above may be made.

     All decisions and determinations of the Exchange Rate Agent regarding the Dollar Equivalent of
the Foreign Currency, the Dollar Equivalent of the Currency Unit, the Market Exchange Rate and
changes in the Specified Amounts as specified above shall be in its sole discretion and shall, in
the absence of manifest error, be conclusive for all purposes and irrevocably binding upon the
Company, the Trustees and all Holders of such Securities denominated or payable in the relevant
Currency. The Exchange Rate Agent shall promptly give written notice to the Company and the
Trustees of any such decision or determination.

     In the event that the Company determines in good faith that a Conversion Event has occurred
with respect to a Foreign Currency, the Company will immediately give written notice thereof to the
Trustees and to the Exchange Rate Agent (and the Trustees will promptly thereafter give notice in
the manner provided for in Section 1.06 to the affected Holders) specifying the Conversion Date.
In the event the Company so determines that a Conversion Event has occurred with respect to the
Euro or any other currency unit in which Securities are denominated or payable, the Company will
immediately give written notice thereof to the Trustees and to the Exchange Rate Agent (and the
Trustees will promptly thereafter give notice in the manner provided for in Section 1.06 to the
affected Holders) specifying the Conversion Date and the Specified Amount of each Component
Currency on the Conversion Date. In the event the Company determines in good faith that any
subsequent change in any Component

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Currency as set forth in the definition of Specified Amount above has occurred, the Company
will similarly give written notice to the Trustees and the Exchange Rate Agent.

     The Trustees shall be fully justified and protected in relying and acting upon information
received by it from the Company and the Exchange Rate Agent and shall not otherwise have any duty
or obligation to determine the accuracy or validity of such information independent of the Company
or the Exchange Rate Agent.

Section 3.13 Appointment and Resignation of Successor Exchange Rate Agent

     (a) Unless otherwise specified pursuant to Section 3.01, if and so long as the Securities of
any series (i) are denominated in a Currency other than Dollars or (ii) may be payable in a
Currency other than Dollars, or so long as it is required under any other provision of this
Indenture, then the Company will maintain with respect to each such series of Securities, or as so
required, at least one Exchange Rate Agent. The Company will cause the Exchange Rate Agent to make
the necessary foreign exchange determinations at the time and in the manner specified pursuant to
Section 3.01 for the purpose of determining the applicable rate of exchange and, if applicable, for
the purpose of converting the issued Currency into the applicable payment Currency for the payment
of principal (and premium, if any) and interest, if any, pursuant to Section 3.12.

     (b) The Company shall have the right to remove and replace from time to time the Exchange Rate
Agent for any series of Securities. No resignation of the Exchange Rate Agent and no appointment
of a successor Exchange Rate Agent pursuant to this Section shall become effective until the
acceptance of appointment by the successor Exchange Rate Agent as evidenced by a written instrument
delivered to the Company and the Trustees.

     (c) If the Exchange Rate Agent shall resign, be removed or become incapable of acting, or if a
vacancy shall occur in the office of the Exchange Rate Agent for any cause with respect to the
Securities of one or more series, the Company, by or pursuant to a Board Resolution, shall promptly
appoint a successor Exchange Rate Agent or Exchange Rate Agents with respect to the Securities of
that or those series (it being understood that any such successor Exchange Rate Agent may be
appointed with respect to the Securities of one or more or all of such series and that, unless
otherwise specified pursuant to Section 3.01, at any time there shall only be one Exchange Rate
Agent with respect to the Securities of any particular series that are originally issued by the
Company on the same date and that are initially denominated and/or payable in the same Currency).

ARTICLE FOUR

SATISFACTION AND DISCHARGE

Section 4.01 Satisfaction and Discharge of Indenture

     This Indenture shall upon Company Request cease to be of further effect with respect to any
series of Securities specified in such Company Request (except as to any surviving rights of
registration of transfer or exchange of Securities of such series expressly provided for herein or
pursuant hereto and any right to receive Additional Amounts as contemplated by Section 11.05)

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and the Trustees, at the expense of the Company, shall execute proper instruments
acknowledging satisfaction and discharge of this Indenture as to such series when

     (1) either

     (a) all Securities of such series theretofore authenticated and delivered and all coupons, if
any, appertaining thereto (other than (i) coupons appertaining to Bearer Securities surrendered for
exchange for Registered Securities and maturing after such exchange, whose surrender is not
required or has been waived as provided in Section 3.05, (ii) Securities and coupons of such series
which have been destroyed, lost or stolen and which have been replaced or paid as provided in
Section 3.06, (iii) coupons appertaining to Securities called for redemption and maturing after the
relevant Redemption Date, whose surrender has been waived as provided in Section 12.06, and (iv)
Securities and coupons of such series for whose payment money has theretofore been deposited in
trust with either Trustee or any Paying Agent or segregated and held in trust by the Company and
thereafter repaid to the Company, as provided in Section 11.03) have been delivered to either
Trustee for cancellation; or

     (b) all Securities of such series and, in the case of (i) or (ii) below, any coupons
appertaining thereto not theretofore delivered to either Trustee for cancellation

	 	(i)	 	have become due and payable, or
	 
	 	(ii)	 	will become due and payable at their Stated Maturity within one
year, or
	 
	 	(iii)	 	if redeemable at the option of the Company, are to be called
for redemption within one year under arrangements satisfactory to the Trustees
for the giving of notice of redemption by the Trustees in the name, and at the
expense, of the Company,

and the Company, in the case of (i), (ii) or (iii) above, has irrevocably deposited or caused to be
deposited with either Trustee as trust funds in trust for such purpose an amount in the Currency in
which the Securities of such series are payable, sufficient to pay and discharge the entire
indebtedness on such Securities not theretofore delivered to such Trustee for cancellation, for
principal (and premium, if any), interest, if any, and Additional Amounts, if any, to the date of
such deposit (in the case of Securities which have become due and payable) or to the Stated
Maturity or Redemption Date, as the case may be;

	 	(2)	 	the Company has paid or caused to be paid all other sums payable hereunder by
the Company; and
	 
	 	(3)	 	the Company has delivered to the Trustees an Officers’ Certificate and an
Opinion of Counsel, each stating that all conditions precedent herein provided for
relating to the satisfaction and discharge of this Indenture as to such series have
been complied with.

     Notwithstanding the satisfaction and discharge of this Indenture, the obligations of the
Company to the Trustees under Section 7.07, the obligations of the Trustees to any Authenticating
Agent under Section 7.12 and, if money shall have been deposited with the

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Trustees pursuant to subclause (b) of clause (1) of this Section, the obligations of the
Trustees under Section 4.02 and the last paragraph of Section 11.03 shall survive.

Section 4.02 Application of Trust Money

     Subject to the provisions of the last paragraph of Section 11.03, all money deposited with the
Trustees pursuant to Section 4.01 shall be held in trust and applied by it, in accordance with the
provisions of the Securities, the coupons and this Indenture, to the payment, either directly or
through any Paying Agent (including the Company acting as its own Paying Agent) as the Trustees may
determine, to the Persons entitled thereto, of the principal (and premium, if any) and interest, if
any, for whose payment such money has been deposited with the Trustees; but such money need not be
segregated from other funds except to the extent required by law.

ARTICLE FIVE

SUBORDINATION OF THE SECURITIES

Section 5.01 Agreement to Subordinate

     The Company covenants and agrees, and each Holder of Securities, by its acceptance thereof,
likewise agrees, that the payment of the principal of, premium, if any, and interest on the
Securities is hereby expressly subordinated, to the extent and in the manner hereinafter set forth,
in right of payment to the prior payment in full of all Senior Indebtedness.

Section 5.02 Distribution on Insolvency or Winding-Up

     In the event of any Senior Default or in the event that proceedings are commenced by or
against the Company as a result of its insolvency or in the event of the liquidation or winding-up
of the Company or if proceedings are commenced which effect a reorganization, arrangement, or
compromise of debt of the Company:

     (a) the holders of all Senior Indebtedness shall be entitled to receive payment in full of the
principal thereof, the premium, if any, and the interest due thereon (including interest accruing
after the commencement of any such proceeding at the rate specified in the instrument or agreement
evidencing the Senior Indebtedness, whether or not such interest is an allowable claim in any such
proceeding) before the Holders are entitled to receive any payment upon the principal of, premium,
if any, and interest on indebtedness evidenced by the Securities;

     (b) any payment or distribution of assets of the Company of any kind or character, whether in
cash, property or securities, to which the Holders or the Trustees would be entitled except for the
provisions of this Article 5 shall be paid by the Person making such payment or distribution,
whether the liquidator, agent or other agent or a trustee in bankruptcy or a receiver or otherwise,
directly to the holders of Senior Indebtedness or their representative or to the trustee under any
indenture under which any instruments evidencing any of such Senior Indebtedness may have been
issued, as their respective interests may appear, to the extent necessary to pay in full all Senior
Indebtedness remaining unpaid after giving effect to any concurrent payment or distribution to the
holders of such Senior Indebtedness in respect thereof;

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     (c) in the event that, notwithstanding the foregoing, any payment or distribution of assets of
the Company of any kind or character, whether in cash, property or securities, shall be received by
the Trustees or the Holders before all Senior Indebtedness is paid in full, such payment or
distribution shall be held in trust for the benefit of, and shall be paid over to, the holders of
such Senior Indebtedness or their representative or to the trustee under any indenture under which
any instruments evidencing any of such Senior Indebtedness may have been issued, as their
respective interests may appear, for application to the payment of all Senior Indebtedness
remaining unpaid until all such Senior Indebtedness shall have been paid in full after giving
effect to any concurrent payment or distribution to the holders of such Senior Indebtedness in
respect thereof; and

     (d) any payments or distributions paid over to the holders of Senior Indebtedness pursuant to
Section 5.02(c) and not applied in reduction of the amounts owing to the Holders hereunder shall be
deemed not to have discharged any of the obligations of the Company hereunder (and, to the extent
that by operation of applicable law they are treated as doing so, the Company covenants to
indemnify the Holders on demand from and against any loss suffered or incurred by them in
consequence thereof).

     Upon any payment or distribution of assets of the Company referred to in this Article 5, the
Trustees and the Holders shall be entitled to call for and rely upon a certificate, addressed to
the Trustees or to the Holders, of the Person making any such payment or distribution for the
purpose of ascertaining the Persons entitled to participate in such distribution, the holders of
the Senior Indebtedness and other indebtedness 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 5.

Section 5.03 Subrogation of the Securities

     Subject to the payment in full of all Senior Indebtedness, the Holders shall be subrogated to
the rights of the holders of Senior Indebtedness to receive payments and distributions of assets of
the Company in respect of and on account of Senior Indebtedness, to the extent of the application
thereto of moneys or other assets which would have been received by the Holders but for the
provisions of this Article 5, until the principal of, premium, if any, and interest on the
Securities shall be paid in full. No payment or distribution of assets of the Company to the
Holders which would be payable or distributable to the holders of Senior Indebtedness pursuant to
this Article shall, as between the Company, its creditors (other than the holders of Senior
Indebtedness) and the Holders, be deemed to be a payment by the Company to or on account of the
Holders, it being understood that the provisions of this Article 5 are, and are intended, solely
for the purpose of defining the relative rights of the Holders, on the one hand, and the holders of
the Senior Indebtedness, on the other hand. Nothing contained in this Article 5 or elsewhere in
this Indenture or in the Securities is intended to or shall impair, as between the Company and its
creditors (other than the holders of Senior Indebtedness and the Holders), the obligation of the
Company, which is unconditional and absolute, to pay to the Holders the principal of, premium, if
any, and interest on the Securities as and when the same shall become due and payable in accordance
with their terms, or to affect the relative rights of the Holders and creditors of the Company
other than the holders of the Senior Indebtedness, nor shall anything herein or therein prevent the
Trustees or the Holder of any Securities from exercising all remedies otherwise

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permitted by applicable law upon default under this Indenture, subject to the rights, if any,
under this Article 5, of the holders of Senior Indebtedness upon the exercise of any such remedy.

			
	Section 5.04	 	No Payment to Holders if Senior Indebtedness Due or in Default or Commencement of
Proceedings

     (a) Upon the maturity of any Senior Indebtedness by lapse of time, acceleration or otherwise,
then, except as hereinafter otherwise provided, all principal of, premium, if any, and interest on
all such matured Senior Indebtedness shall first be paid in full, or shall first have been duly
provided for, before any payment on account of principal of, premium, if any, and interest on the
Securities is made.

     (b) Upon the occurrence of any Senior Default, then, unless and until such default shall have
been cured or waived or shall have ceased to exist, no payment (by payment of principal or
interest, purchase of Securities, redemption or otherwise) shall be made by the Company with
respect to the principal of, premium, if any, or interest on the Securities. In the event that,
notwithstanding the foregoing, the Company shall make any payment of principal of, premium, if any,
or interest on the Securities after the happening of such a default, then, except as hereinafter
otherwise provided, unless and until such default shall have been cured or waived or shall have
ceased to exist, such payments shall be held in trust for the benefit of, and if and when such
Senior Indebtedness shall have become due and payable shall be paid over to, the holders of the
Senior Indebtedness or their representative or to the trustee under any indenture under which any
instruments evidencing any of the Senior Indebtedness may have been issued, as their respective
interests may appear, for application to the payment of all Senior Indebtedness remaining unpaid
until all such Senior Indebtedness shall have been paid in full, after giving effect to any
concurrent payment or distribution to the holders of such Senior Indebtedness in respect thereof.

     (c) The fact that any payment which is required to be made pursuant to this Indenture or the
Securities is prohibited by this Section 5.04 shall not prevent the failure to make such payment
from being an Event of Default hereunder.

     (d) The Company shall not grant and the Trustees and the Holders shall not be entitled to
receive any mortgage, charge, hypothec, assignment, pledge or other security interest against any
of the property, assets or undertaking of the Company or any of its Subsidiaries or Affiliates
without the prior written consent of the holders of the Senior Indebtedness (other than trade
creditors).

     (e) Upon any default by the Company under this Indenture, the occurrence of any Event of
Default or any Senior Default, neither the Trustees nor any Holder shall be entitled to take or
commence any action, suit, remedy or proceedings (whether judicial or extra-judicial and including,
without limitation, any action contemplated by Article 6) against the Company or any of its
property, assets or undertaking to collect or enforce payment of the principal and interest on the
Securities or any other amounts owing under this Indenture or to enforce the performance of any
other covenant or obligation of the Company under this Indenture or the Securities (including,
without limitation, any action or proceeding for the payment of any principal of or interest on the
Securities, the appointment of a liquidator or receiver of the Company or any of

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its property, assets or undertaking for the winding up of the Company) unless and until the
Senior Indebtedness has been paid in full; provided however that the foregoing shall in no way
prohibit, restrict or prevent the Trustees from filing proofs of claim in any bankruptcy,
reorganization or insolvency proceedings commenced by or against the Company by any Person other
than the Trustees or a Holder or taking steps in accordance with any subordination or postponement
agreement entered into by the Trustees on their own behalf or on behalf of the Holders as
contemplated by Section 5.10.

Section 5.05 Payment of Securities Permitted

     (a) Subject always to Section 5.10, nothing contained in this Indenture or in any of the
Securities shall prevent the Company at any time from making payments of the principal of, premium,
if any on, or interest on the Securities provided that no such payments will be made if a Senior
Default has occurred unless and until such default has been cured or waived or has ceased to exist.

     (b) Until written notice shall be given to the Trustees by the Company or on behalf of any
holder of any Senior Indebtedness of the occurrence of any Senior Default or of the existence of
any other facts which would have the result that any payment with respect to the Securities would
be in contravention of the provisions of this Article 5, the Trustees shall be entitled to assume
that no such default has occurred, or that no such facts exist; and nothing in this Indenture shall
prevent the Trustees, prior to receipt of such notice, from applying any moneys received by it
pursuant to this Indenture prior to the receipt by it of such written notice, to the purposes for
which the same were received, notwithstanding the occurrence or continuance of a default with
respect to, or the existence of such facts with respect to, such Senior Indebtedness.

Section 5.06 Subordination Not to be Impaired

     No right of any present or future holder of any Senior Indebtedness of the Company to enforce
the subordination provided for in this Article shall at any time be prejudiced or impaired by any
act or failure to act on the part of the Company or by any act or failure to act, in good faith, by
any such holder, or by any non-compliance by the Company with the terms, provisions and covenants
of this Indenture, regardless of any knowledge thereof which any such holder may have or be
otherwise charged with.

Section 5.07 Obligations Created by Article 5

     Each of the Company and the Trustees agrees, and each Holder of Securities, by its acceptance
thereof, likewise agrees, that:

     (a) the provisions of this Article 5 are an inducement and consideration to each holder of
Senior Indebtedness to give or continue credit to the Company or others or to acquire Senior
Indebtedness;

     (b) each holder of Senior Indebtedness may accept the benefit of this Article 5 on the terms
and conditions set forth in this Article 5 by giving or continuing credit to the Company or

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others or by acquiring Senior Indebtedness, in each case without notice to the Trustees or any
Holder and without establishing actual reliance on this Article 5; and

     (c) each obligation created by this Article 5 is created for the benefit of the holders of
Senior Indebtedness and is hereby declared to be created in trust for those holders by the Company,
the Trustees and each Holder of Securities and shall be binding on the Company, the Trustees and
each Holder of Securities whether or not the confirmation described in Section 5.10 is requested,
executed or delivered.

Section 5.08 No Set-Off

     Each of the Company and the Trustees agrees, and each Holder of Securities, by its acceptance
thereof, likewise agrees, that it shall have no rights of set-off or counterclaim with respect to
the principal of, premium, if any, and interest on the Securities at any time when any payment of,
or in respect of, such amounts to the Trustees or the Holders is prohibited by this Article 5 or is
otherwise required to be paid to the holders of Senior Indebtedness or their representative or to
the trustee under any indenture under which any instruments evidencing any of such Senior
Indebtedness may have been issued, as their respective interests may appear.

Section 5.09 Amendments to Article 5

     Each of the Company and the Trustees agrees, and each Holder of Securities, by its acceptance
thereof, likewise agrees, not to make any changes to (i) this Article 5, (ii) the definitions of
Senior Indebtedness or Senior Default, or (iii) any other provision of this Indenture that makes
reference to this Article 5 or any provision of this Article 5, without the consent of each holder
of Senior Indebtedness (other than trade creditors), or their representative or the trustee under
any indenture under which any instruments evidencing any of such Senior Indebtedness may have been
issued.

Section 5.10 Authorization to Trustees to Effect Subordination

     Each Holder of Securities, by its acceptance thereof, authorizes and directs the Trustees on
its behalf to take such action as may be necessary or appropriate to effect the subordination
provided for in this Article 5 and to acknowledge and confirm such subordination to any holder of
Senior Indebtedness and appoints the Trustees its attorney-in-fact for any and all such purposes,
including confirmations that the holder or holders of any Senior Indebtedness are entitled to all
the rights and benefits of this Article 5 and that such holder of Senior Indebtedness may rely on
and enforce each of the terms of this Indenture including, without limitation, of this Article 5.
Forthwith upon the request of any holder of Senior Indebtedness or its representative or the
trustee under any indenture under which any instruments evidencing any Senior Indebtedness may have
been issued, the Trustees shall execute and deliver to the Person making that request a form of
such confirmation or, with the advice of Counsel, any such subordination agreement, on its own
behalf and on behalf of all Holders.

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ARTICLE SIX

REMEDIES

Section 6.01 Events of Default

     “Event of Default”, wherever used herein with respect to Securities of any series, means any
one of the following events (whatever the reason for such Event of Default and whether it shall be
voluntary or involuntary or be effected by operation of law or pursuant to any judgment, decree or
order of any court or any order, rule or regulation of any administrative or governmental body),
unless such event is specifically deleted or modified in or pursuant to a supplemental indenture,
Board Resolution or Officers’ Certificate establishing the terms of such series pursuant to Section
3.01 of this Indenture:

	 	(1)	 	default in the payment of any interest (including Additional Amounts) due on
any Security of that series, or any related coupon (including Additional Amounts), when
such interest or coupon becomes due and payable, and continuance of such default for a
period of 30 days; or
	 
	 	(2)	 	default in the payment of the principal (or premium, if any), or any Additional
Amounts in respect of any Security of that series at its Maturity; or
	 
	 	(3)	 	default in the deposit of any sinking fund or analogous payment when due by the
terms of any Security of that series and Article Thirteen; or
	 
	 	(4)	 	default in the performance, or breach, of any covenant or agreement of the
Company in this Indenture which affects or is applicable to the Securities of that
series, and continuance of such default or breach for a period of 90 days after there
has been given, by registered or certified mail, to the Company by the Trustees or to
the Company and the Trustees by the Holders of at least 25% in principal amount of all
Outstanding Securities of that series a written notice specifying such default or
breach and requiring it to be remedied and stating that such notice is a “Notice of
Default” hereunder; or
	 
	 	(5)	 	if an event of default (as defined in any indenture or instrument under which
the Company or any Subsidiary has at the time of this Indenture or shall thereafter
have outstanding any indebtedness) shall have occurred and be continuing, or the
Company or any Subsidiary shall have failed to pay principal amounts with respect to
such indebtedness at maturity and such event of default or failure to pay shall have
resulted in indebtedness under such indentures or instruments being declared due,
payable or otherwise being accelerated, in either event so that an amount in excess of
the greater of $15,000,000 and 2% of Shareholders’ Equity shall be or become due,
payable and accelerated upon such declaration or prior to the date on which the same
would otherwise have become due, payable and accelerated (the “accelerated
indebtedness”), and such acceleration shall not be rescinded or annulled, or such event
of default or failure to pay under such indenture or instrument shall not be remedied
or cured, whether by payment or otherwise, or waived by the holders of such accelerated
indebtedness, then

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     (a) the accelerated indebtedness shall be as a result of an event of default
which is not related to the failure to pay principal or interest on the terms, at
the times, and on the conditions set out in any such indenture or instrument, it
shall not be considered an Event of Default for purposes of this Indenture until 30
days after such indebtedness has been accelerated, or

     (b) if the accelerated indebtedness shall occur as a result of such failure to
pay principal or interest or as a result of an event of default which is related to
the failure to pay principal or interest on the terms, at the times, and on the
conditions set out in any such indenture or instrument, then (i) if such accelerated
indebtedness is, by its terms, Non-Recourse Debt to the Company or a Subsidiary, it
shall not be considered an Event of Default for purposes of this Indenture; or (ii)
if such accelerated indebtedness is recourse to the Company or a Subsidiary, any
requirement in connection with such failure to pay or event of default for the
giving of notice or the lapse of time or the happening of any further condition,
event or act under such other indenture or instrument in connection with such
failure to pay or event of default shall be applicable together with an additional
seven days before being considered an Event of Default for purposes of this
Indenture; or

	 	(6)	 	the entry of a decree or order by a court having jurisdiction in the premises
adjudging the Company bankrupt or insolvent, or approving as properly filed a petition
seeking reorganization, arrangement, adjustment or composition of or in respect of the
Company under or subject to the U.S. Federal Bankruptcy Code or any other federal,
provincial, state or foreign bankruptcy, insolvency or analogous laws, or the issuance
of a sequestration order or the (appointment of a receiver, liquidator, assignee,
trustee, sequestrator (or other similar official) of the Company or in receipt of any
substantial part of the property of the Company, and any such decree, order or
appointment continues unstayed and in effect for a period of 90 consecutive days; or
	 
	 	(7)	 	the institution by the Company of proceedings to be adjudicated bankrupt or
insolvent, or the consent by it to the institution of bankruptcy or insolvency
proceedings against it, or the filing by it of a petition or answer or consent seeking
reorganization or relief under or subject to the U.S. Federal Bankruptcy Code or any
other federal, provincial, state or foreign bankruptcy, insolvency or analogous laws or
the consent by it to the filing of any such petition or to the appointment of a
receiver, liquidator, assignee, trustee, sequestrator (or other similar official) of
the Company or of any substantial part of its property, or the making by it of a
general assignment for the benefit of creditors, or the admission by it in writing of
its inability to pay its debts generally as they become due or the taking by it of
corporate action in furtherance of any of the aforesaid purposes; or
	 
	 	(8)	 	any other Event of Default provided with respect to Securities of that series.

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Section 6.02 Acceleration of Maturity; Rescission and Annulment

     If an Event of Default described in clause (1), (2), (3), (4), (5), or (8) of Section 6.01
with respect to Securities of any series at the time Outstanding occurs and is continuing, then in
every such case, either Trustee or the Holders of not less than 25% in principal amount of the
Outstanding Securities of that series, may declare the principal amount (or, if the Securities of
that series are Original Issue Discount Securities or Indexed Securities, such portion of the
principal amount as may be specified in the terms of that series) of all of the Securities of that
series and all interest thereon to be due and payable immediately, by a notice in writing to the
Company (and to the Trustees if given by Holders), and upon any such declaration such principal
amount (or specified portion thereof) shall become immediately due and payable. If an Event of
Default specified in Section 6.01(6) or 6.01(7) occurs and is continuing, then the principal amount
of all the Securities shall ipso facto become and be immediately due and payable without any
declaration or other act on the part of the Trustees or any Holder.

     At any time after such a declaration of acceleration with respect to Securities of any series
(or of all series, as the case may be) has been made and before a judgment or decree for payment of
the money due has been obtained by either Trustee as hereinafter provided in this Article, the
Holders of a majority in principal amount of the Outstanding Securities of that series (or of all
series, as the case may be), by written notice to the Company and the Trustees, may rescind and
annul such declaration and its consequences if

	 	(1)	 	the Company has paid or deposited with either Trustee a sum sufficient to pay
in the Currency in which the Securities of such series are payable (except as otherwise
specified pursuant to Section 3.01 for the Securities of such series and except, if
applicable, as provided in Sections 3.12(b), 3.12(d) and 3.12(e)),

	 	(a)	 	all overdue interest, if any, on all Outstanding Securities of
that series (or of all series, as the case may be) and any related coupons,
	 
	 	(b)	 	all unpaid principal of (and premium, if any, on) any
Outstanding Securities of that series (or of all series, as the case may be)
which has become due otherwise than by such declaration of acceleration, and
interest on such unpaid principal (and premium, if any) at the rate or rates
prescribed therefor in such Securities,
	 
	 	(c)	 	to the extent that payment of such interest is legally
enforceable, interest on overdue interest at the rate or rates prescribed
therefor in such Securities, and
	 
	 	(d)	 	all sums paid or advanced by the Trustees hereunder and the
reasonable compensation, expenses, disbursements and advances of the Trustees,
their agents and counsel; and

	 	(2)	 	all Events of Default with respect to Securities of that series (or of all
series, as the case may be), other than the non-payment of amounts of principal of (or
premium, if any, on) or interest on Securities of that series (or of all series, as the

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	 	 	 	case may be) which have become due solely by such declaration of acceleration, have
been cured or waived as provided in Section 6.13.

     No such rescission shall affect any subsequent default or impair any right consequent thereon.

Section 6.03 Collection of Debt and Suits for Enforcement by Trustees

     The Company covenants that if

	 	(1)	 	default is made in the payment of any installment of interest on any Security
and any related coupon when such interest becomes due and payable and such default
continues for a period of 30 days, or
	 
	 	(2)	 	default is made in the payment of the principal of (or premium, if any, on) any
Security at the Maturity thereof,

then the Company will, upon demand of either Trustee, pay to the Appropriate Trustee for the
benefit of the Holders of such Securities and coupons, the whole amount then due and payable on
such Securities and coupons for principal (and premium, if any) and interest, if any, and interest
on any overdue principal (and premium, if any) and on any overdue interest, at the rate or rates
prescribed therefor in such Securities, and, in addition thereto, such further amount as shall be
sufficient to cover the costs and expenses of collection, including the reasonable compensation,
expenses, disbursements and advances of the Trustees, their agents and counsel.

     If the Company fails to pay such amounts forthwith upon such demand, each of the Trustees, in
its own name as trustee of an express trust, may institute a judicial proceeding for the collection
of the sums so due and unpaid, may prosecute such proceeding to judgment or final decree and may
enforce the same against the Company or any other obligor upon such Securities and collect the
moneys adjudged or decreed to be payable in the manner provided by law out of the property of the
Company or any other obligor upon such Securities, wherever situated.

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

Section 6.04 Trustees May File Proofs of Claim

     In case of the pendency of any receivership, insolvency, liquidation, bankruptcy,
reorganization, arrangement, adjustment, composition or other judicial proceeding relative to the
Company or any other obligor upon the Securities or the property of the Company or of such other
obligor or their creditors, each Trustee (irrespective of whether the principal of the Securities
shall then be due and payable as therein expressed or by declaration or otherwise and

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irrespective of whether either Trustee shall have made any demand on the Company for the
payment of overdue principal, premium, if any, or interest) shall be entitled and empowered, by
intervention in such proceeding or otherwise,

	 	(i)	 	to file and prove a claim for the whole amount of principal
(and premium, if any), or such portion of the principal amount of any series of
Original Issue Discount Securities or Indexed Securities as may be specified in
the terms of such series, and interest, if any, owing and unpaid in respect of
the Securities and to file such other papers or documents as may be necessary
or advisable in order to have the claims of such Trustee (including any claim
for the reasonable compensation, expenses, disbursements and advances of such
Trustee, its agents and counsel) and of the Holders allowed in such judicial
proceeding, and
	 
	 	(ii)	 	to collect and receive any moneys or other property payable or
deliverable on any such claims and to distribute the same;

and any custodian, receiver, assignee, trustee, liquidator, sequestrator or other similar official
in any such judicial proceeding is hereby authorized by each Holder to make such payments to such
Trustee and, in the event that such Trustee shall consent to the making of such payments directly
to the Holders, to pay to such Trustee any amount due to it for the reasonable compensation,
expenses, disbursements and advances of each Trustee, its agents and counsel, and any other amounts
due to such Trustee under Section 7.07.

     Nothing herein contained shall be deemed to authorize the Trustees to authorize or consent to
or accept or adopt on behalf of any Holder any plan of reorganization, arrangement, adjustment or
composition affecting the Securities or the rights of any Holder thereof or to authorize the
Trustees to vote in respect of the claim of any Holder in any such proceeding.

Section 6.05 Trustees May Enforce Claims Without Possession of Securities

     All rights of action and claims under this Indenture or the Securities or coupons may be
prosecuted and enforced by the Trustees without the possession of any of the Securities or coupons
or the production thereof in any proceeding relating thereto, and any such proceeding instituted by
a Trustee shall be brought in its own name as trustee of an express trust, and any recovery of
judgment shall, after provision for the payment of the reasonable compensation, expenses,
disbursements and advances of such Trustee, its agents and counsel, be for the ratable benefit of
the Holders of the Securities and coupons in respect of which such judgment has been recovered.

Section 6.06 Application of Money Collected

     Any money collected by a Trustee pursuant to this Article shall be applied in the following
order, at the date or dates fixed by the Trustees and, in case of the distribution of such money on
account or principal (or premium, if any) or interest, if any, upon presentation of the Securities
or coupons, or both, as the case may be, and the notation thereon of the payment if only partially
paid and upon surrender thereof if fully paid:

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     First: to the payment of all amounts due the Trustees under Section 7.07;

Second: to the payment of the amounts then due and unpaid for principal of (and premium, if
any) and interest, if any, on the Securities and coupons in respect of which or for the
benefit of which such money has been collected, ratably, without preference or priority
of any kind, according to the amounts due and payable on such Securities and coupons
for principal (and premium, if any) and interest, if any, respectively; and

     Third: the balance, if any, to the Person or Persons entitled thereto.

Section 6.07 Limitation on Suits

     No Holder of any Security of any series or any related coupons shall have any right to
institute any proceeding, judicial or otherwise, with respect to this Indenture, or for the
appointment of a receiver or trustee, or for any other remedy hereunder, unless

	 	(1)	 	such Holder has previously given written notice to the Trustees of a continuing
Event of Default with respect to the Securities of that series;
	 
	 	(2)	 	the Holders of not less than 25% in principal amount of the Outstanding
Securities of that series in the case of any Event of Default described in clause (1),
(2), (3), (4), (5), or (8) of Section 6.01, or, in the case of any Event of Default
described in clause (6) or (7) of Section 6.01, the Holders of not less than 25% in
principal amount of all Outstanding Securities, shall have made written request to the
Trustees to institute proceedings in respect of such Event of Default in their own
names as Trustees hereunder;
	 
	 	(3)	 	such Holder or Holders have offered to the Trustees reasonable indemnity
against the costs, expenses and liabilities to be incurred in compliance with such
request;
	 
	 	(4)	 	the Trustees for 60 days after their receipt of such notice, request and offer
of indemnity have failed to institute any such proceeding; and
	 
	 	(5)	 	no direction inconsistent with such written request has been given to the
Trustees during such 60-day period by the Holders of a majority or more in principal
amount of the Outstanding Securities of that series in the case of any Event of Default
described in clause (1), (2), (3), (4), (5), or (8) of Section 6.01, or in the case of
any Event of Default described in clause (6) or (7) of Section 6.01, by the Holders of
a majority or more in principal amount of all Outstanding Securities;

it being understood and intended that no one or more of such Holders shall have any right in any
manner whatever by virtue of, or by availing of, any provision of this Indenture to affect, disturb
or prejudice the rights of any other Holders of Securities of the same series, in the case of any
Event of Default described in clause (1), (2), (3), (4), (5) or (8) of Section 6.01, or of Holders
of all Securities in the case of any Event of Default described in clause (6) or (7) of Section
6.01, or to obtain or to seek to obtain priority or preference over any other of such Holders or to
enforce any right under this Indenture, except in the manner herein provided and for the equal and
ratable

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benefit of all Holders of Securities of the same series, in the case of any Event of Default
described in clause (1), (2), (3), (4), (5) or (8) of Section 6.01, or of Holders of all Securities
in the case of any Event of Default described in clause (6) or (7) of Section 6.01.

Section 6.08 Unconditional Right of Holders to Receive Principal, Premium and Interest

     Notwithstanding any other provision in this Indenture, the Holder of any Security shall have
the right, which is absolute and unconditional, to receive payment, as provided herein (including,
if applicable, Article Fourteen) and in such Security, of the principal of (and premium, if any)
and (subject to Section 3.07) interest, if any, on, such Security or payment of such coupon on the
respective Stated Maturities expressed in such Security or coupon (or, in the case of redemption,
on the Redemption Date) and subject to the limitations on a Holder’s ability to institute suit
contained Section 6.07, to institute suit for the enforcement of any such payment, and such rights
shall not be impaired without the consent of such Holder.

Section 6.09 Restoration of Rights and Remedies

     If either Trustee or any Holder has instituted any proceeding to enforce any right or remedy
under this Indenture and such proceeding has been discontinued or abandoned for any reason, or has
been determined adversely to such Trustee or to such Holder, then and in every such case, subject
to any determination in such proceeding, the Company, the Trustees and the Holders of Securities
and coupons shall be restored severally and respectively to their former positions hereunder and
thereafter all rights and remedies of the Trustees and the Holders shall continue as though no such
proceeding had been instituted.

Section 6.10 Rights and Remedies Cumulative

     Except as otherwise provided with respect to the replacement or payment of mutilated,
destroyed, lost or stolen Securities or coupons in the last paragraph of Section 3.06, no right or
remedy herein conferred upon or reserved to the Trustees or to the Holders of Securities or coupons
is intended to be exclusive of any other right or remedy, and every right and remedy shall, to the
extent permitted by law, be cumulative and in addition to every other right and remedy given
hereunder or now or hereafter existing at law or in equity or otherwise. The assertion or
employment of any right or remedy hereunder, or otherwise, shall not prevent the concurrent
assertion or employment of any other appropriate right or remedy.

Section 6.11 Delay or Omission Not Waiver

     No delay or omission of the Trustees or of any Holder of any Security or coupon 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 or by law to the Trustees or to the Holders may be exercised from time
to time, and as often as may be deemed expedient, by the Trustees or by the Holders, as the case
may be.

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Section 6.12 Control by Holders

     With respect to the Securities of any series, the Holders of not less than a majority in
principal amount of the Outstanding Securities of such series shall have the right to direct the
time, method and place of conducting any proceeding for any remedy available to the Trustees, or
exercising any trust or power conferred on the Trustees, relating to or arising under clause (1),
(2), (3), (4), (5) or (8) of Section 6.01, and, with respect to all Securities, the Holders of not
less than a majority in principal amount of all Outstanding Securities shall have the right to
direct the time, method and place of conducting any proceeding for any remedy available to the
Trustees, or exercising any trust or power conferred on the Trustees, not relating to or arising
under clause (1), (2), (3), (4), (5) or (8) of Section 6.01, provided that in each case

	 	(1)	 	such direction shall not be in conflict with any rule of law or with this
Indenture,
	 
	 	(2)	 	the Trustees may take any other action deemed proper by the Trustees which is
not inconsistent with such direction, and
	 
	 	(3)	 	the Trustees need not take any action which might involve them in personal
liability or be unjustly prejudicial to the Holders of Securities of such series not
consenting.

Section 6.13 Waiver of Past Defaults

     Subject to Section 6.02, the Holders of not less than a majority in principal amount of the
Outstanding Securities of any series may on behalf of the Holders of all the Securities of such
series waive any past default described in clause (1), (2), (3), (4), (5) or (8) of Section 6.01
(or, in the case of a default described in clause (6) or (7) of Section 6.01, the Holders of not
less than a majority in principal amount of all Outstanding Securities may waive any such past
default), and its consequences, except a default

	 	(1)	 	in respect of the payment of the principal of (or premium, if any) or interest,
if any, on any Security or any related coupon, or
	 
	 	(2)	 	in respect of a covenant or provision hereof which under Article Ten cannot be
modified or amended without the consent of the Holder of each outstanding Security of
such series affected.

     Upon any such waiver, any such default shall cease to exist, and any Event of Default arising
therefrom shall be deemed to have been cured, for every purpose of this Indenture; but no such
waiver shall extend to any subsequent or other default or Event of Default or impair any right
consequent thereon.

Section 6.14 Waiver of Stay or Extension Laws

     The Company covenants (to the extent that it may lawfully do so) that it will not at any time
insist upon, or plead, or in any manner whatsoever claim or take the benefit or advantage of, any
stay or extension law wherever enacted, now or at any time hereafter in force, which may affect the
covenants or the performance of this Indenture; and the Company (to the extent that it

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may lawfully do so) hereby expressly waives all benefit or advantage of any such law and
covenants that it will not hinder, delay or impede the execution of any power herein granted to the
Trustees, but will suffer and permit the execution of every such power as though no such law had
been enacted.

Section 6.15 Undertaking for Costs

     In any suit for the enforcement of any right or remedy under this Indenture, or in any suit
against either Trustee for any action taken, suffered or omitted by it as Trustee, a court may
require any party litigant in such suit to file an undertaking to pay the costs of such suit, and
may assess costs against any such party litigant, in the manner and to the extent provided in Trust
Indenture Legislation; provided, however, that neither this Section nor the
provisions of Section 315(e) of the Trust Indenture Act shall apply to any suit instituted by
either Trustee or by any Holder or group of Holders holding more than 10% in principal amount of
all Outstanding Securities or by any Holder of any Security on any suit for the enforcement of the
right to receive the principal of and interest (including any Additional Amounts) on any such
Securities.

ARTICLE SEVEN

THE TRUSTEES

Section 7.01 Notice of Defaults

     Each Trustee shall promptly give the other Trustee notice of any Default or Event of Default
known to it. Within a reasonable time, but no more than 30 days after either Trustee has knowledge
of any Default hereunder with respect to the Securities of any series, one or both of the Trustees
shall transmit in the manner and to the extent provided in Trust Indenture Legislation, including
TIA Section 313(c), notice to the Holders of such Default hereunder known to either Trustee, unless
such Default shall have been cured or waived (and, in the case where such Default shall have been
cured, the Trustees shall notify the Holders in writing of such cure in writing within a reasonable
time, but not exceeding 30 days, after the Trustees have become aware that the Default has been
cured); provided, however, that, except in the case of a Default in the payment of
the principal of (or premium, if any) or interest, if any, on any Security of such series or in the
payment of any sinking fund installment with respect to Securities of such series, the Trustees
shall be protected in withholding such notice if and so long as the board of directors, the
executive committee or a trust committee of directors and/or Responsible Officers of each Trustee
in good faith determine that the withholding of such notice is in the interest of the Holders of
Securities of such series and any related coupons and so advises the Company in writing; and
provided further that in the case of any Default of the character specified in Section 6.01(4) with
respect to Securities of such series, no such notice to Holders shall be given until at least 30
days after the occurrence thereof.

Section 7.02 Certain Duties and Responsibilities of Trustees

     (a) The Trustees, prior to the occurrence of an Event of Default and after the curing of all
Events of Default that may have occurred, shall undertake to perform with respect to the Securities
of any series such duties and only such duties as are specifically set forth in this Indenture, and
no implied covenants shall be read into this Indenture against the Trustees.

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     (b) In all instances, in the exercise of the powers and discharge of obligations prescribed or
conferred by the terms of this Indenture, each Trustee shall act honestly and in good faith with a
view to the best interests of the Holders and exercise the care, diligence and skill that a
reasonably prudent trustee in respect of indentures for the purpose of issuing corporate debt
obligations would exercise in comparable circumstances.

     (c) No provision of this Indenture shall be construed to relieve each Trustee from liability
for its own actions or failure to act in accordance with Section 7.02(b), except that:

	 	(i)	 	prior to the occurrence of an Event of Default and after the
curing or waiving of all such Events of Default that may have occurred:

	 	(A)	 	the duties and obligations of each Trustee with
respect to the Securities of any series shall be determined solely by
the express provisions of this Indenture, and the Trustees shall not be
liable except for the performance of such duties and obligations as are
specifically set forth in this Indenture, and no implied covenants or
obligations shall be read into this Indenture against the Trustees; and
	 
	 	(B)	 	in the absence of bad faith on the part of
either Trustee, such Trustee may conclusively rely, as to the truth of
the statements and the correctness of the opinions expressed therein,
upon any certificates or opinions furnished to the Trustees and
conforming to the requirements of this Indenture and Trust Indenture
Legislation; but in the case of any such certificates or opinions that
by any provision hereof are specifically required to be furnished to
the Trustees, the Trustees shall be under a duty to examine the same to
determine whether or not they conform to the requirements of this
Indenture; provided, however, the Canadian Trustee shall not be
required to determine whether the certificates or opinions presented to
it conform to the TIA and the U.S. Trustee shall not be required to
determine whether the certificates or opinions presented to it conform
to Canadian Trust Indenture Legislation.

	 	(ii)	 	the Trustees shall not be liable with respect to any action
taken or omitted to be taken by them in good faith in accordance with the
direction of the Holders of not less than a majority in principal amount of the
Securities of any series at the time Outstanding relating to the time, method
and place of conducting any proceeding for any remedy available to the
Trustees, or exercising any trust or power conferred upon the Trustees under
this Indenture;
	 
	 	(iii)	 	none of the provisions contained in this Indenture shall
require either Trustee to expend or risk their own funds or otherwise incur
personal or any financial liability in the performance of any of their duties
or in the exercise of any of their rights or powers; and

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	 	(iv)	 	whether or not therein expressly so provided, except to the
extent expressly provided herein to the contrary, every provision of this
Indenture relating to the conduct or effecting the liability or affording
protection to the Trustees shall be subject to the provisions of this Section.

Section 7.03 Certain Rights of Trustees

     Subject to the provisions of TIA Sections 315(a) through 315(d):

	 	(1)	 	the Trustees may rely and shall be protected in acting or refraining from
acting upon any resolution, certificate, statement, instrument, opinion, report,
notice, request, direction, consent, order, bond, debenture, note, other evidence of
indebtedness or other paper or document believed by them to be genuine and to have been
signed or presented by the proper party or parties;
	 
	 	(2)	 	any request or direction of the Company mentioned herein shall be sufficiently
evidenced by a Company Request or Company Order and any resolution of the Board of
Directors may be sufficiently evidenced by a Board Resolution;
	 
	 	(3)	 	whenever in the administration of this Indenture the Trustees shall deem it
desirable that a matter be proved or established prior to taking, suffering or omitting
any action hereunder, each Trustee (unless other evidence be herein specifically
prescribed) may, in the absence of bad faith on its part, rely upon an Officers’
Certificate;
	 
	 	(4)	 	the Trustees may consult with counsel and the written advice of such counsel or
any opinion of Counsel shall be full and complete authorization and protection in
respect of any action taken, suffered or omitted by them hereunder in good faith and in
reliance thereon;
	 
	 	(5)	 	the Trustees shall be under no obligation to exercise any of the rights or
powers vested in it by this Indenture at the request or direction of any of the Holders
of Securities of any series or any related coupons pursuant to this Indenture, unless
such Holders shall have offered to the Trustees reasonable security or indemnity
against the costs, expenses and liabilities which might be incurred by them in
compliance with such request or direction;
	 
	 	(6)	 	the Trustees shall not be bound to make any investigation into the facts or
matters stated in any resolution, certificate, statement, instrument, opinion, report,
notice, request, direction, consent, order, bond, debenture, note, other evidence of
indebtedness or other paper or document, but the Trustees, in their discretion, may
make such further inquiry or investigation into such facts or matters as they may see
fit, and, if the Trustees shall determine to make such further inquiry or
investigation, they shall be entitled to examine the books, records and premises of the
Company, personally or by agent or attorney;
	 
	 	(7)	 	in an Event of Default, the Trustees’ powers shall not be infringed upon so
long as they act in accordance with Section 7.02(b);

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	 	(8)	 	the Trustees may execute any of the trusts or powers hereunder or perform any
duties hereunder either directly or by or through agents or attorneys and the Trustees
shall not be responsible for any misconduct or negligence on the part of any agent or
attorney appointed with due care by them hereunder; and
	 
	 	(9)	 	the Trustees shall not be liable for any action taken, suffered or omitted by
them in good faith and believed by them to be authorized or within the discretion or
rights or powers conferred upon them by this Indenture so long as they act in
accordance with Section 7.02(b).

Section 7.04 Trustees Not Responsible for Recitals or Issuance of Securities

     The recitals contained herein and in the Securities, except for a Trustee’s certificates of
authentication, and in any coupons shall be taken as the statements of the Company, and neither
Trustee nor any Authenticating Agent assumes any responsibility for their correctness. The
Trustees make no representations as to the validity or sufficiency of this Indenture or of the
Securities or coupons, except that the Trustees represent that they are duly authorized to execute
and deliver this Indenture, authenticate the Securities and perform their obligations hereunder and
that the statements made by the U.S. Trustee in a Statement of Eligibility on Form T-1 supplied to
the Company are true and accurate, subject to the qualifications set forth therein. Neither
Trustee nor any Authenticating Agent shall be accountable for the use or application by the Company
of Securities or the proceeds thereof. Nothing herein contained will impose on either Trustee any
obligation to see to, or to require evidence of, the registration or filing (or renewal thereof) of
this Indenture or any supplemental indenture. The Trustees shall not be bound to give notice to
any person of the execution hereof.

Section 7.05 May Hold Securities

     The Trustees, any Authenticating Agent, any Paying Agent, any Security Registrar or any other
agent of the Company or of the Trustees, in their individual or any other capacity, may become the
owner or pledgee of Securities and coupons and, subject to TIA Sections 310(b) and 311, may
otherwise deal with the Company, including, without limitation, as a creditor of the Company, with
the same rights they would have if they were not Trustees, Authenticating Agent, Paying Agent,
Security Registrar or such other agent. A Trustee that has resigned or was removed shall remain
subject to TIA Section 311(a) to the extent provided therein.

Section 7.06 Money Held in Trust

     Money held by the Trustees in trust hereunder need not be segregated from other funds except
to the extent required by law. The Trustees shall be under no liability for interest on any money
received by them hereunder except as otherwise agreed with the Company.

Section 7.07 Compensation and Reimbursement

     The Company agrees:

	 	(1)	 	to pay to the Trustees from time to time reasonable compensation for all
services rendered by them hereunder (which compensation shall not be limited by any

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	 	 	 	provision of law in regard to the compensation of a trustee of an express trust);
any invoices which remain outstanding for 30 days following the date of invoice
shall accrue interest at the then current rate of interest charged by the Canadian
Trustee to it corporate clients;
	 
	 	(2)	 	except as otherwise expressly provided herein, to reimburse the Trustees upon
their request for all reasonable expenses, disbursements and advances incurred or made
by the Trustees in accordance with any provision of this Indenture (including the
reasonable compensation and the expenses and disbursements of their agents and
counsel), except any such expense, disbursement or advance as may be attributable to
the U.S. Trustee’s gross negligence or bad faith or the Canadian Trustee’s gross
negligence or willful misconduct, respectively; and
	 
	 	(3)	 	to indemnify the Trustees for, and to hold them and their directors, officers,
agents, representatives, successors, assigns and employees harmless against, any loss,
liability or expense incurred without gross negligence or bad faith on the part of the
U.S. Trustee, or gross negligence or willful misconduct on the part of the Canadian
Trustee, respectively, arising out of or in connection with the acceptance or
administration of the trust or trusts hereunder, including reasonable attorneys’ fees
and other reasonable costs and expenses of defending themselves against any claim or
liability in connection with the exercise or performance of any of their powers or
duties hereunder.

     The obligations of the Company under this Section to compensate the Trustees, to pay or
reimburse the Trustees for expenses, disbursements and advances and to indemnify and hold harmless
the Trustees shall constitute additional indebtedness hereunder and shall survive the satisfaction
and discharge of this Indenture and the resignation or removal of the Trustee. As security for the
performance of such obligations of the Company, the Trustees shall have a claim prior to the
Securities upon all property and funds held or collected by the Trustees as such, except funds held
in trust for the payment of principal of (or premium, if any) or interest, if any, on particular
Securities or any coupons.

     When the Trustees incur expenses or render services in connection with an Event of Default
specified in Section 6.01(6) or (7), the expenses (including reasonable charges and expense of its
counsel) of and the compensation for such services are intended to constitute expenses of
administration under any applicable U.S. or Canadian federal, state or provincial bankruptcy,
insolvency or other similar law.

     The provisions of this Section shall survive the termination of this Indenture or the removal or resignation of the Trustees.

Section 7.08 Corporate Trustees Required; Eligibility

	 	(1)	 	There shall be at all times a U.S. Trustee hereunder which shall be eligible to
act as Trustee under TIA Section 310(a)(1) and, together with its immediate parent,
shall have a combined capital and surplus of at least $50,000,000. If the U.S. Trustee
publishes reports of condition at least annually, pursuant to law or to the
requirements of U.S. federal, state, territorial or District of Columbia supervising

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	 		 	or examining authority, then for the purposes of this Section, the combined capital
and surplus of U.S. Trustee shall be deemed to be its combined capital and surplus
as set forth in its most recent report of condition so published. If at any time
the U.S. Trustee shall cease to be eligible in accordance with the provisions of
this Section, it shall resign immediately in the manner and with the effect
hereinafter specified in this Article.
	 
	 	(2)	 	For so long as required by Trust Indenture Legislation, there shall be a
Canadian Trustee under this Indenture. The Canadian Trustee shall at all times be a
resident or authorized to do business in the Province of Ontario and any other province
in Canada where Holders may be resident from time to time. The Canadian Trustee
represents and warrants that no material conflict of interest exists in the Canadian
Trustee’s role as a fiduciary hereunder and agrees that in the event of a material
conflict of interest arising hereafter it will, within 30 days after ascertaining that
it has such material conflict of interest, either eliminate the same or resign its
trust hereunder. If any such material conflict of interests exists or hereafter shall
exist, the validity and enforceability of this Indenture shall not be affected in any
manner whatsoever by reason thereof.
	 
	 	(3)	 	The Trustees will not be required to give any bond or security in respect of
the execution of the trusts and powers set out in this Indenture or otherwise in
respect of the premises.
	 
	 	(4)	 	Neither Trustee nor any Affiliate of either Trustee shall be appointed a
receiver or receiver and manager or liquidator of all or any part of the assets or
undertaking of the Company.

Section 7.09 Resignation and Removal; Appointment of Successor

	 	(1)	 	No resignation or removal of either Trustee and no appointment of a successor
Trustee pursuant to this Article shall become effective until the acceptance of
appointment by the successor Trustee in accordance with the applicable requirements of
Section 7.10.
	 
	 	(2)	 	Either Trustee may resign at any time with respect to the Securities of one or
more series by giving written notice thereof to the Company. If the instrument of
acceptance by a successor Trustee required by Section 7.10 shall not have been
delivered to such Trustee within 30 days after the giving of such notice of
resignation, the resigning Trustee may petition any court of competent jurisdiction for
the appointment of a successor Trustee with respect to the Securities of such series.
	 
	 	(3)	 	Either Trustee may be removed following thirty days notice with respect to the
Securities of any series by Act of the Holders of not less than a majority in principal
amount of the Outstanding Securities of such series, delivered to such Trustee and to
the Company.

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	 	(4)	 	If at any time:

	 	(a)	 	either Trustee shall acquire any conflicting interest as
defined in TIA Section 310(b) and fail to comply with the provisions of TIA
Section 310(b)(i), or
	 
	 	(b)	 	either Trustee shall fail to comply with the provisions of TIA
Section 310(b) after written request therefor by the Company or by any Holder
who has been a bona fide Holder of a Security for at least six months, or
	 
	 	(c)	 	either Trustee shall cease to be eligible under Section 7.08
and shall fail to resign after written request therefor by the Company or by
any Holder who has been a bona fide Holder of a Security for at least six
months, or
	 
	 	(d)	 	either Trustee shall become incapable of acting or shall be
adjudged a bankrupt or insolvent or a receiver of such Trustee or of its
property shall be appointed or any public officer shall take charge or control
of such Trustee or of its property or affairs for the purpose of
rehabilitation, conservation or liquidation,

	 	 	 	then, in any such case, (i) the Company, by a Board Resolution, may remove such
Trustee with respect to all Securities, or (ii) subject to TIA Section 315(e), any
Holder who has been a bona fide Holder of a Security of such series for at least six
months may, on behalf of himself and all others similarly situated, petition any
court of competent jurisdiction for the removal of such Trustee with respect to all
Securities of such series and the appointment of a successor Trustee or Trustees.
	 
	 	(5)	 	If either Trustee shall resign, be removed or become incapable of acting, or if
a vacancy shall occur in the office of the U.S. Trustee or the Canadian Trustee for any
cause, with respect to the Securities of one or more series, the Company, by a Board
Resolution, shall promptly appoint a successor Trustee or Trustees with respect to the
Securities of that or those series (it being understood that any such successor Trustee
may be appointed with respect to the Securities of one or more or all of such series)
provided, however, that the Company shall not be required to appoint a
successor Trustee to the Canadian Trustee if the Canadian Trustee resigns or is removed
and a Canadian Trustee under this Indenture is no longer required under Trust Indenture
Legislation. If, within one year after such resignation, removal or incapability, or
the occurrence of such vacancy, a successor Trustee with respect to the Securities of
any series shall be appointed by Act of the Holders of a majority in principal amount
of the Outstanding Securities of such series delivered to the Company and the retiring
Trustee, the successor Trustee so appointed shall, forthwith upon its acceptance of
such appointment, become the successor Trustee with respect to the Securities of such
series and to that extent supersede the successor Trustee appointed by the Company. If
no successor Trustee with respect to the Securities of any series shall have been so
appointed by the Company or the Holders and accepted appointment in the manner
hereinafter provided, any Holder who has been a bona fide Holder of a

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	 	 	 	Security of such series for at least six months may, on behalf of himself and all
others similarly situated, petition any court of competent jurisdiction for the
appointment of a successor Trustee with respect to the Securities of such series.
	 
	 	(6)	 	The Company shall give notice of each resignation and each removal of a Trustee
with respect to the Securities of any series and each appointment of a successor
Trustee with respect to the Securities of any series to the Holders of Securities of
such series in the manner provided for in Section 1.06. Each notice shall include the
name of the successor Trustee with respect to the Securities of such series and the
address of its Corporate Trust Office.
	 
	 	(7)	 	If a Canadian Trustee under this Indenture is no longer required by Trust
Indenture Legislation, then the Company by a Board Resolution may remove the Canadian
Trustee after giving 30 days notice.

Section 7.10 Acceptance of Appointment by Successor

	 	(1)	 	In case of the appointment hereunder of a successor Trustee with respect to all
Securities, every such successor Trustee so appointed shall execute, acknowledge and
deliver to the Company and to the retiring Trustee an instrument accepting such
appointment, and thereupon the resignation or removal of the retiring Trustee shall
become effective and such successor Trustee, without any further act, deed or
conveyance, shall become vested with all the rights, powers, trusts and duties of the
retiring Trustee; but, on the request of the Company or the successor Trustee, such
retiring Trustee shall, upon payment of its charges, execute and deliver an instrument
transferring to such successor Trustee all the rights, powers and trusts of the
retiring Trustee and shall duly assign, transfer and deliver to such successor Trustee
all property and money held by such retiring Trustee hereunder.
	 
	 	(2)	 	In case of the appointment hereunder of a successor Trustee with respect to the
Securities of one or more (but not all) series, the Company, the retiring Trustee and
each successor Trustee with respect to the Securities of one or more series shall
execute and deliver an indenture supplemental hereto wherein each successor Trustee
shall accept such appointment and which (1) shall contain such provisions as shall be
necessary or desirable to transfer and confirm to, and to vest in, each successor
Trustee all the rights, powers, trusts and duties of the retiring Trustee with respect
to the Securities of that or those series to which the appointment of such successor
Trustee relates, (2) if the retiring Trustee is not retiring with respect to all
Securities, shall contain such provisions as shall be deemed necessary or desirable to
confirm that all the rights, powers, trusts and duties of the retiring Trustee with
respect to the Securities of that or those series as to which the retiring Trustee is
not retiring shall continue to be vested in the retiring Trustee, and (3) shall add to
or change any of the provisions of this Indenture as shall be necessary to provide for
or facilitate the administration of the trusts hereunder by more than one Trustee, it
being understood that nothing herein or in such supplemental indenture shall constitute
such Trustees co-trustees

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	 		 	of the same trust and that each such Trustee shall be trustee of a trust or trusts
hereunder separate and apart from any trust or trusts hereunder administered by any
other such Trustee; and upon the execution and delivery of such supplemental
indenture the resignation or removal of the retiring Trustee shall become effective
to the extent provided therein and each such successor Trustee, without any further
act, deed or conveyance, shall become vested with all the rights, powers, trusts and
duties of the retiring Trustee with respect to the Securities of that or those
series to which the appointment of such successor Trustee relates; but, on request
of the Company or any successor Trustee, such retiring Trustee shall duly assign,
transfer and deliver to such successor Trustee all property and money held by such
retiring Trustee hereunder with respect to the Securities of that or those series to
which the appointment of such successor Trustee relates. Whenever there is a
successor Trustee with respect to one or more (but less than all) series of
Securities issued pursuant to this Indenture, the terms “Indenture” and “Securities”
shall have the meanings specified in the provisions to the respective definitions of
those terms in Section 1.01 which contemplate such situation.
	 
	 	(3)	 	Upon reasonable request of any such successor Trustee, the Company shall
execute any and all instruments for more fully and certainly vesting in and confirming
to such successor Trustee all rights, powers and trusts referred to in paragraph (a) or
(b) of this Section, as the case may be.
	 
	 	(4)	 	No successor Trustee shall accept its appointment unless at the time of such
acceptance such successor Trustee shall be qualified and eligible under this Article.

Section 7.11 Merger, Conversion, Consolidation or Succession to Business

     Any corporation into which either Trustee or its corporate trust business may be merged or
converted or with which it may be consolidated, or any corporation resulting from any merger,
conversion or consolidation to which either Trustee shall be a party, or any corporation succeeding
to all or substantially all the corporate trust business of either Trustee, shall be the successor
of such Trustee hereunder, provided such corporation shall be otherwise qualified and eligible
under this Article, without the execution or filing of any paper or any further act on the part of
any of the parties hereto. In case any Securities shall have been authenticated, but not
delivered, by a Trustee then in office, any successor by merger, conversion or consolidation to
such authenticating Trustee may adopt such authentication and deliver the Securities so
authenticated with the same effect as if such successor Trustee had itself authenticated such
Securities. In case any of the Securities shall not have been authenticated by such predecessor
Trustee, any successor Trustee may authenticate such Securities either in the name of any
predecessor hereunder or in the name of the successor Trustee. In all such cases such certificates
shall have the full force and effect which this Indenture provides for the certificate of
authentication of such Trustee; provided, however, that the right to adopt the
certificate of authentication of any predecessor Trustee or to authenticate Securities in the name
of any predecessor Trustee shall apply only to its successor or successors by merger, conversion or
consolidation.

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Section 7.12 Appointment of Authenticating Agent

     At any time when any of the Securities remain outstanding, the Trustees may appoint an
Authenticating Agent or Agents, with respect to one or more series of Securities which shall be
authorized to act on behalf of the Trustees to authenticate Securities of such series and the
Trustees shall give written notice of such appointment to all Holders of Securities of the series
with respect to which such Authenticating Agent will serve, in the manner provided for in Section
1.06. Securities so authenticated shall be entitled to the benefits of this Indenture and shall be
valid and obligatory for all purposes as if authenticated by the Appropriate Trustee hereunder.
Any such appointment shall be evidenced by an instrument in writing signed by a Responsible Officer
of the Trustees, and a copy of such instrument shall be promptly furnished to the Company.
Wherever reference is made in this Indenture to the authentication and delivery of Securities by
the Trustees or either Trustee’s certificate of authentication, such reference shall be deemed to
include authentication and delivery on behalf of the Trustees by an Authenticating Agent and a
certificate of authentication executed on behalf of the Trustees by an Authenticating Agent. Each
Authenticating Agent shall be acceptable to the Company and shall at all times be a corporation
organized and doing business under the laws of the United States of America, any state thereof or
the District of Columbia or the laws of Canada or any province thereof, authorized under such laws
to act as Authenticating Agent, having a combined capital and surplus of not less than $50,000,000
and subject to supervision or examination by U.S. federal or state or Canadian federal or
provincial authority. If such corporation publishes reports of condition at least annually,
pursuant to law or to the requirements of said supervising or examining authority, then for the
purposes of this Section, the combined capital and surplus of such corporation shall be deemed to
be its combined capital and surplus as set forth in its most recent report of condition so
published. If at any time an Authenticating Agent shall cease to be eligible in accordance with
the provisions of this Section, it shall resign immediately in the manner and with the effect
specified in this Section.

     Any corporation into which an Authenticating Agent may be merged or converted or with which it
may be consolidated, or any corporation resulting from any merger, conversion or consolidation to
which such Authenticating Agent shall be a party, or any corporation succeeding to the corporate
agency or corporate trust business of an Authenticating Agent, shall continue to be an
Authenticating Agent, provided such corporation shall be otherwise eligible under this Section,
without the execution or filing of any paper or any further act on the part of the Trustees or the
Authenticating Agent.

     An Authenticating Agent may resign at any time by giving written notice thereof to the
Trustees and to the Company. The Trustees may at any time terminate the agency of an
Authenticating Agent by giving written notice thereof to such Authenticating Agent and to the
Company. Upon receiving such a notice of resignation or upon such a termination, or in case at any
time such Authenticating Agent shall cease to be eligible in accordance with the provisions of this
Section, the Trustees may appoint a successor Authenticating Agent which shall be acceptable to the
Company and shall give written notice of such appointment to all Holders of Securities of the
series with respect to which such Authenticating Agent will serve, in the manner provided for in
Section 1.06. Any successor Authenticating Agent upon acceptance of its appointment hereunder
shall become vested with all the rights, powers and duties of its predecessor hereunder, with like
effect as if originally named as an Authenticating Agent. No

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successor Authenticating Agent shall be appointed unless eligible under the provisions of this
Section.

     The Trustees agree to pay to each Authenticating Agent from time to time reasonable
compensation for its services under this Section, and the Trustees shall be entitled to be
reimbursed for such payments, subject to the provisions of Section 7.07.

     If an appointment with respect to one or more series is made pursuant to this Section, the
Securities of such series may have endorsed thereon, in addition to either Trustee’s certificate of
authentication, an alternate certificate of authentication in the following form:

(Certificate of Authentication may be executed by either Trustee)

     Computershare Trust Company, N.A., as U.S. Trustee, certifies that this is one of the
Securities of the series designated therein referred to in the within-mentioned Indenture.

     Dated:                                         

	 	 	 	 	 	 	 
	 	 	Computershare Trust
Company, N.A., as U.S. Trustee	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 

As Authenticating Agent
	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 

Authorized Officer
	 	 

     Computershare Trust Company of Canada, as Canadian Trustee, certifies that this is one of the
Securities of the series designated therein referred to in the within-mentioned Indenture.

Dated:                                         

	 	 	 	 	 	 	 
	 	 	Computershare Trust Company of Canada, as
Canadian Trustee	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 

As Authenticating Agent
	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 

Authorized Officer
	 	 

Section 7.13 Joint Trustees

     The rights, powers, duties and obligations conferred and imposed upon the Trustees are
conferred and imposed upon and shall be exercised and performed by the U.S. Trustee and the
Canadian Trustee individually, except to the extent the Trustees are required under Trust Indenture
Legislation to perform such acts jointly, and neither Trustee shall be liable or responsible for
the acts or omissions of the other Trustee. If the U.S. Trustee and Canadian

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Trustee are unable to agree jointly to act or refrain from acting, the Appropriate Trustee
shall make the decision in accordance with its applicable legislation. Unless the context implies
or requires otherwise, any written notice, request, direction, certificate, instruction, opinion or
other document (each such document, a “Writing”) delivered pursuant to any provision of this
Indenture to any of the U.S. Trustee or the Canadian Trustee shall be deemed for all purposes of
this Indenture as delivery of such Writing to the Trustee. Each such trustee in receipt of such
Writing shall notify such other trustee of its receipt of such Writing within two Business Days of
such receipt provided, however, that any failure of such trustee in receipt of such
Writing to so notify such other trustee shall not be deemed as a deficiency in the delivery of such
Writing to the Trustee.

Section 7.14 Other Rights of Trustees

     Each Trustee shall retain the right not to act and shall not be liable for refusing to act if,
due to a lack of information or for any other reason whatsoever, either Trustee, in its sole
judgment, determines that such act might cause it to be in non-compliance with any applicable
anti-money laundering or anti-terrorist legislation, regulation or guideline. Further, should
either Trustee, in its sole judgment, determine at any time that its acting under this Indenture
has resulted in its being in non-compliance with any applicable anti-money laundering or
anti-terrorist legislation, regulation or guideline, then it shall have the right to resign on 10
days written notice to all parties provided (i) that such Trustee’s written notice shall describe
the circumstances of such non-compliance; and (ii) that if such circumstances are rectified to such
Trustee’s satisfaction within such 10 day period, then such resignation shall not be effective.

     The parties hereto acknowledge that Canadian federal and provincial legislation addressing the
protection of individuals’ personal information (collectively, “Privacy Laws”) applies to
obligations and activities under this Indenture. Despite any other provision of this Indenture,
neither party shall take or direct any action that would contravene, or cause the other to
contravene, applicable Privacy Laws. The Company, prior to transferring, or causing to be
transferred, personal information to the Canadian Trustee, shall obtain and retain required
consents of the relevant individuals to the collection, use and disclosure of their personal
information, or shall have determined that such consents either have been previously given and can
be relied on or are not required under Privacy Laws. The Canadian Trustee shall use commercially
reasonable efforts to ensure that its services hereunder comply with Privacy Laws. Specifically,
the Trustee agrees to (i) have designated a chief privacy officer; (ii) maintain policies and
procedures to protect personal information and to receive and respond to any privacy complaint or
inquiry; (iii) use personal information solely for the purposes of providing its services under or
ancillary to this Indenture and not to use it for any other purpose except with the consent and
direction of the Company; (iv) not sell or otherwise improperly disclose personal information to
any third party; and (v) use employee administrative, physical and technological safeguards to
reasonably secure and protect personal information against loss, theft or unauthorized access, use
or modification.

     It is expressly acknowledged and agreed that the Canadian Trustee may, in the course of
providing services hereunder, collect or receive, use and disclose financial and other personal
information about such parties and/or their representatives, as individuals, or about other

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individuals related to the subject matter hereof, and use such information for the following
purposes:

	 	(i)	 	to provide the services required under this Indenture and other
services that may be requested from time to time;
	 
	 	(ii)	 	to help the Canadian Trustee manage its servicing relationships
with such individuals;
	 
	 	(iii)	 	to meet the Canadian Trustee’s legal and regulatory
requirements; and
	 
	 	(iv)	 	if social insurance numbers are collected by the Canadian
Trustee, to perform tax reporting and to assist in verification of an
individual’s identity for security purposes.

     Further, each party agrees that it shall not provide or cause to be provided to the Canadian
Trustee any personal information relating to an individual who is not a party to this Indenture
unless that party has assured itself that such individual understands and has consented to the
aforementioned uses and disclosures. Notwithstanding anything to the contrary herein, the Company
and the Trustees may, without liability, disclose information about the Holders and Beneficial
Owners or Potential Holders or Beneficial Owners of the Securities pursuant to subpoena or other
order issued by a court of competent jurisdiction or when otherwise required by applicable law.

     Unless otherwise notified, the Trustees shall be entitled to assume that all payments have
been made by the Company as required under this Indenture.

     The Trustees may assume for the purposes of this Indenture that any address on the register of
the Holders of the Securities is the holder’s actual address and is also determinative as to
residency.

     The Trustees shall have no obligation to ensure or verify compliance with any applicable laws
or regulatory requirements on the issue, exercise or transfer of any Securities provided such
issue, exercise or transfer, as the case may be, is effected in accordance with the terms of this
Indenture. The Trustees shall be entitled to process all transfers of Securities upon the
presumption that such transfers are permissible pursuant to all applicable laws and regulatory
requirements. The Trustees shall have no obligation to ensure that legends appearing on the
Securities certificates comply with regulatory requirements or securities laws of any applicable
jurisdiction.

     Except as provided in this Indenture, the Trustees shall retain the right not to act and shall
not be held liable for refusing to act unless it has received clear and reasonable documentation
which complies with the terms of this Indenture; such document must not require the exercise of any
discretion or independent judgment.

     Each Trustee hereby accepts the trusts in this Indenture declared and provided for and agrees
to perform the same upon the terms and conditions herein set forth and to hold all rights,

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privileges and benefits conferred hereby and by law in trust for the various persons who shall
from time to time be holders, subject to all the terms and conditions herein set forth.

Section 7.15 Third Party Interests

     Each party to this Indenture hereby represents to each Trustee that any account to be opened
by, or interest to held by the Trustees in connection with this Indenture, for or to the credit of
such party, either (i) is not intended to be used by or on behalf of any third party; or (ii) is
intended to be used by or on behalf of a third party, in which case such party hereto agrees to
complete and execute forthwith a declaration in each Trustee’s prescribed form as to the
particulars of such third party.

ARTICLE EIGHT

HOLDERS’ LISTS AND REPORTS BY TRUSTEE AND COMPANY

Section 8.01 Company to Furnish Trustee Names and Addresses of Holders

     The Company will furnish or cause to be furnished to the Trustee (1) not more than 15 days
after each Regular Record Date, or such lesser time as required by the Trustee, a list, in such
form as the Trustee may reasonably require, of the names and addresses of Holders as of such
Regular Record Date; provided, however, that the Company shall not be obligated to furnish or cause
to be furnished such list at any time that the list shall not differ in any respect from the most
recent list furnished to the Trustee by the Company or at such times as the Trustee is acting as
Security Registrar for the applicable series of Securities and (2) at such other times as the
Trustee may request in writing within 30 days after the receipt by the Company of any such request,
a list of similar form and content as of a date not more than 15 days prior to the time such list
is furnished.

Section 8.02 Preservation of List of Names and Addresses of Holders

     The Trustee shall preserve, in as current a form as is reasonably practicable, all information
as to the names and addresses of the Holders contained in the most recent list furnished to it as
provided in Section 8.01 and as to the names and addresses of Holders received by the Trustee in
its capacity as Security Registrar for the applicable series of Securities (if acting in such
capacity).

     The Trustee may destroy any list furnished to it as provided in Section 8.01 upon receipt of a
new list so furnished.

     Holders may communicate as provided in TIA Section 312(b) with other Holders with respect to
their rights under this Indenture or under the Securities.

Section 8.03 Disclosure of Names and Addresses of Holders

     Every Holder of Securities or coupons, by receiving and holding the same, agrees with the
Company and the Trustees that none of the Company or the Trustees or any agent of either of them
shall be held accountable by reason of the disclosure of any such information as to the names and
addresses of the Holders in accordance with TIA Section 312, regardless of the source

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from which such information was derived, and that the Trustees shall not be held accountable
by reason of mailing any material pursuant to a request made under TIA Section 312(b).

Section 8.04 Reports by Trustees

	 	(1)	 	Within 60 days after May 15 of each year commencing with the first year after
the first issuance of Securities pursuant to this Indenture, the U.S. Trustee shall
transmit to the Holders of Securities, in the manner and to the extent provided in
Section 313(c) of the Trust Indenture Act, a brief report dated as of such reporting
date, if required by Section 313(a) of the Trust Indenture Act.
	 
	 	(2)	 	The U.S. Trustee shall comply with Sections 313(b) and 313(c) of the Trust
Indenture Act.
	 
	 	(3)	 	A copy of such report shall, at the time of such transmission to the Holders,
be filed by the U.S. Trustee with the Company (Attention: Chief Financial Officer),
with each securities exchange upon which any of the Securities are listed (if so
listed) and also with the Commission. The Company agrees to notify the Trustees when
the Securities become listed on any securities exchange.

Section 8.05 Reports by the Company

	 	(1)	 	The Company will file with the Trustee, within 20 days after the Company files
or furnishes them with the Commission, copies of the Company’s annual reports 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 or furnish with the Commission pursuant to Section 13 or 15(d) of
the Exchange Act.
	 
	 	 	 	Notwithstanding that the Company may not 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 provide the Trustee:

	 	•	 	within 20 days after the time periods required for the filing or furnishing
of such forms by the Commission, annual reports on Form 10-K or any successor
form, quarterly reports on Form 10-Q or any successor form and current reports
on Form 8-K or any successor form; and

	 	(2)	 	the Company will transmit to all Holders, in the manner and to the extent
provided in Section 313(c) of the Trust Indenture Act, within 30 days after the filing
thereof with the Trustees, such summaries of any information, documents and reports
required to be filed by the Company pursuant to paragraph (1) of this Section as may be
required by rules and regulations prescribed from time to time by the Commission.

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ARTICLE NINE

CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

Section 9.01 Company May Consolidate, etc., only on Certain Terms

     The Company shall not amalgamate or consolidate with or merge into or enter into any statutory
arrangement with any other Person, or, directly or indirectly, convey, transfer or lease all or
substantially all of its properties and assets to any Person, unless:

	 	(1)	 	the Person formed by or continuing from such amalgamation or consolidation or
into which the Company is merged or with which it enters into such statutory
arrangement or the Person which acquires by operation of law or by conveyance or
transfer, or which leases, all or substantially all of the properties and assets of the
Company shall be a corporation, partnership or trust organized and validly existing
under the laws of Canada or any province or territory thereof, the United States of
America or any state thereof or the District of Columbia or, if such amalgamation,
merger, consolidation, statutory arrangement or other transaction would not impair the
rights of Holders, any other country, and, unless the Company is the continuing
corporation, shall expressly assume, by an indenture supplemental hereto, executed and
delivered to the Trustees, in form satisfactory to the Trustees, the Company’s
obligation for the due and punctual payment of the principal of (and premium, if any),
and interest, if any, on all the Securities and the performance and observance of every
covenant of this Indenture on the part of the Company to be performed or observed;
	 
	 	(2)	 	immediately after giving effect to such transaction, no Default or Event of
Default shall have happened and be continuing; and
	 
	 	(3)	 	the Company or such Person shall have delivered to the Trustees an officers’
Certificate and an opinion of Counsel, each stating that such amalgamation, statutory
arrangement, consolidation, merger, conveyance, transfer or lease and such supplemental
indenture comply with this Article and that all conditions precedent herein provided
for relating to such transaction have been complied with.

     This Section 9.01 shall only apply to a merger, consolidation or amalgamation in which the
Company is not the surviving Person and to conveyances, leases and transfers by the Company as
transferor or lessor.

Section 9.02 Successor Person Substituted

     Upon any amalgamation or consolidation by the Company with or merger by the Company into any
other corporation or a statutory arrangement or any conveyance, transfer or lease all or
substantially all of the properties and assets of the Company to any Person in accordance with
Section 9.01, the successor Person formed by such amalgamation or consolidation or into which the
Company is merged or statutory arrangement, or to which such conveyance, transfer or lease is made
shall succeed to, and be substituted for, and may exercise every right and power of, the Company
under this Indenture with the same effect as if such

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successor Person had been named as the Company herein, and in the event of any such conveyance
or transfer, the Company (which term shall for this purpose mean the Person named as the “Company”
in the first paragraph of this Indenture or any successor Person which shall theretofore become
such in the manner described in Section 9.01), except in the case of a lease, shall be discharged
of all obligations and covenants under this Indenture and the Securities and the coupons and may be
dissolved and liquidated.

ARTICLE TEN

SUPPLEMENTAL INDENTURES

Section 10.01 Supplemental Indentures Without Consent of Holders

     Without the consent of any Holders, the Company, when authorized by or pursuant to a Board
Resolution, and the Trustees, at any time and from time to time, may enter into one or more
indentures supplemental hereto, in form satisfactory to the Trustees, for any of the following
purposes:

	 	(1)	 	to evidence the succession of another Person to the Company and the assumption
by any such successor of the covenants of the Company contained herein and in the
Securities; or
	 
	 	(2)	 	to add to the covenants of the Company for the benefit of the Holders of all or
any series of Securities and any related coupons (and if such covenants are to be for
the benefit of less than all series of Securities, stating that such covenants are
being included solely for the benefit of such series) or to surrender any right or
power herein conferred upon the Company; or
	 
	 	(3)	 	to add any additional Events of Default (and if such Events of Default are to
be for the benefit of less than all series of Securities, stating that such Events of
Default are being included solely for the benefit of such series); or
	 
	 	(4)	 	to add to or change any of the provisions of this Indenture to provide that
Bearer Securities may be registrable as to principal, to change or eliminate any
restrictions on the payment of principal of or any premium or interest on Bearer
Securities, to permit Bearer Securities to be issued in exchange for Registered
Securities, to permit Bearer Securities to be issued in exchange for Bearer Securities
of other authorized denominations or to permit or facilitate the issuance of Securities
in uncertificated form; provided that any such action shall not adversely
affect the interests of the Holders of Securities of any series or any related coupons
in any material respect; or
	 
	 	(5)	 	to change or eliminate any of the provisions of this Indenture; provided that
any such change or elimination shall become effective only when there is no Security
which is Outstanding of any series created prior to the execution of such supplemental
indenture which is entitled to the benefit of such provision; or
	 
	 	(6)	 	to establish the form or terms of Securities of any series as permitted by
Sections 2.01 and 3.01; or

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	 	(7)	 	to evidence and provide for the acceptance of appointment hereunder by a
successor Trustee with respect to the Securities of one or more series and to add to or
change any of the provisions of this Indenture as shall be necessary to provide for or
facilitate the administration of the trusts hereunder by more than one Trustee,
pursuant to the requirements of Section 7.10; or
	 
	 	(8)	 	to close this Indenture with respect to the authentication and delivery of
additional series of Securities, to cure any ambiguity, to correct or supplement any
provision herein which may be inconsistent with any other provision herein, or to make
any other provisions with respect to matters or questions arising under this Indenture;
provided that any such action shall not adversely affect the interests of the
Holders of Securities of any series and any related coupons in any material respect; or
	 
	 	(9)	 	to supplement any of the provisions of this Indenture to such extent as shall
be necessary to permit or facilitate the defeasance and discharge of any series of
Securities pursuant to Sections 4.01, 15.02 and 15.03; provided that any such
action shall not adversely affect the interests of the Holders of Securities of such
series and any related coupons or any other series of securities in any material
respect; or
	 
	 	(10)	 	to modify, eliminate or add to the provisions of this Indenture to such extent
as shall be necessary to effect the qualifications of this Indenture under any
applicable law of the United States and Canada or of any province or territory thereof
to the extent they do not conflict with the applicable law of the United States
heretofore or hereafter enacted.

Section 10.02 Supplemental Indentures with Consent of Holders

     With the consent of the Holders of not less than a majority in principal amount of all
Outstanding Securities affected by such supplemental indenture, by Act of said Holders delivered to
the Company and the Trustees, the Company, when authorized by or pursuant to a Board Resolution,
and the Trustees may enter into an indenture or indentures supplemental hereto for the purpose of
adding any provisions to or changing in any manner or eliminating any of the provisions of this
Indenture which affect such series of Securities or of modifying in any manner the rights of the
Holders of Securities of such series under this Indenture; provided, however, that
no such supplemental indenture shall, without the consent of the Holder of each Outstanding
Security of such series,

	 	(1)	 	change the Stated Maturity of the principal of (or premium, if any) or any
installment of interest on any Security of such series, or reduce the principal amount
thereof (or premium, if any) or the rate of interest, if any, thereon, or change any
obligation of the Company to pay Additional Amounts contemplated by Section 11.05
(except as contemplated by Section 9.01 and permitted by Section 10.01), or reduce the
amount of the principal of an Original Issue Discount Security of such series that
would be due and payable upon a declaration of acceleration of the Maturity thereof
pursuant to Section 6.02 or the amount

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	 	 	 	thereof provable in bankruptcy pursuant to Section 6.04, or adversely affect any
right of repayment at the option of any Holder of any Security of such series, or
change any Place of Payment where, or the Currency in which, any Security of such
series or any premium or interest thereon is payable, or impair the right to
institute suit for the enforcement of any such payment on or after the Stated
Maturity thereof (or, in the case of redemption or repayment at the option of the
Holder, on or after the Redemption Date or Repayment Date, as the case may be), or
adversely affect any right to convert or exchange any Security as may be provided
pursuant to Section 3.01 herein, or

	 	(2)	 	reduce the percentage in principal amount of the Outstanding Securities of such
series required for any such supplemental indenture, or the consent of whose Holders is
required for any waiver of compliance with certain provisions of this Indenture which
affect such series or certain defaults applicable to such series hereunder and their
consequences provided for in this Indenture, or reduce the requirements of Section
16.04 for quorum or voting with respect to Securities of such series, or
	 
	 	(3)	 	modify any of the provisions of this Section, Section 6.13 or Section 11.08,
except to increase any such percentage or to provide that certain other provisions of
this Indenture which affect such series cannot be modified or waived without the
consent of the Holder of each Outstanding Security of such series.

     A supplemental indenture which changes or eliminates any covenant or other provision of this
Indenture which has expressly been included solely for the benefit of one or more particular series
of Securities, or which modifies the rights of the Holders of Securities of such series with
respect to such covenant or other provision, shall be deemed not to affect the rights under this
Indenture of the Holders of Securities of any other series. Any such supplemental indenture adding
any provisions to or changing in any manner or eliminating any of the provisions of this Indenture,
or modifying in any manner the rights of the Holders of Securities of such series, shall not affect
the rights under this Indenture of the Holders of Securities of any other series.

     It shall not be necessary for any Act of Holders under this Section to approve the particular
form of any proposed supplemental indenture, but it shall be sufficient if such Act shall approve
the substance thereof.

Section 10.03 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 Indenture, the
Trustees shall be entitled to receive, in addition to the documents required by Section 1.02, 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 Indenture. Each Trustee may, but shall
not be obligated to, enter into any such supplemental indenture which affects such Trustee’s own
rights, duties or immunities under this Indenture or otherwise.

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Section 10.04 Effect of Supplemental Indentures

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

Section 10.05 Conformity with Trust Indenture Legislation

     Every supplemental indenture executed pursuant to this Article shall conform to the
requirements of Trust Indenture Legislation as then in effect.

Section 10.06 Reference in Securities to Supplemental Indentures

     Securities of any series authenticated and delivered after the execution of any supplemental
indenture pursuant to this Article may, and shall if required by the Trustees, bear a notation in
form approved by the Trustees as to any matter provided for in such supplemental indenture. If the
Company shall so determine, new Securities of any series so modified as to conform, in the opinion
of the Trustees and the Company, to any such supplemental indenture may be prepared and executed by
the Company and authenticated and delivered by the Trustees in exchange for outstanding Securities
of such series.

Section 10.07 Notice of Supplemental Indentures

     Promptly after the execution by the Company and the Trustees of any supplemental indenture
pursuant to the provisions of Section 10.02, the Company shall give notice thereof to the Holders
of each outstanding Security affected, in the manner provided for in Section 1.06, setting forth in
general terms the substance of such supplemental indenture.

ARTICLE ELEVEN

COVENANTS

Section 11.01 Payment of Principal, Premium, if any, and Interest

     The Company covenants and agrees for the benefit of the Holders of each series of Securities
and any related coupons that it will duly and punctually pay the principal of (and premium, if any)
and interest, if any, on the Securities of that series in accordance with the terms of the
Securities, any coupons appertaining thereto and this Indenture. Unless otherwise specified as
contemplated by Section 3.01 with respect to any series of Securities, any interest installments
due on Bearer Securities on or before Maturity shall be payable only upon presentation and
surrender of the several coupons for such interest installments as are evidenced thereby as they
severally mature.

Section 11.02 Maintenance of Office or Agency

	 	(1)	 	If the Securities of a series are issuable as Registered Securities, the
Company will maintain in each Place of Payment for any series of Securities an office
or agency where Securities of that series may be presented or surrendered for

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	 	 	 	payment, where Securities of that series may be surrendered for registration of
transfer or exchange, where Securities of that series that are convertible or
exchangeable may be surrendered for conversion or exchange, as applicable, and where
notices and demands to or upon the Company in respect of the Securities of that
series and this Indenture may be served and, if the Securities of a series are also
issuable as Bearer Securities, where Bearer Securities of that series and related
coupons may be presented or surrendered for payment in the circumstances described
in this Section 11.02.
	 
	 	(2)	 	If Securities of a series are issuable as Bearer Securities, the Company will
maintain (A) in The City of New York, an office or agency where any Registered
Securities of that series may be presented or surrendered for payment, where any
Registered Securities of that series may be surrendered for registration of transfer,
where Securities of that series may be surrendered for exchange, where Securities of
that series that are convertible or exchangeable may be surrendered for conversion or
exchange, as applicable, where notices and demands to or upon the Company in respect of
the Securities of that series and this Indenture may be served and where Bearer
Securities of that series and related coupons may be presented or surrendered for
payment in the circumstances described in the following paragraph (and not otherwise)
(B) subject to any laws or regulations applicable thereto, in a Place of Payment for
that series which is located outside the United States, an office or agency where
Securities of that series and related coupons may be presented and surrendered for
payment; provided, however, that, if the Securities of that series are
listed on any stock exchange located outside the United States and such stock exchange
shall so require, the Company will maintain a Paying Agent for the Securities of that
series in any required city located outside the United States so long as the Securities
of that series are listed on such exchange and (C) subject to any laws or regulations
applicable thereto, in a Place of Payment for that series located outside the United
States an office or agency where any Registered Securities of that series may be
surrendered for registration of transfer, where Securities of that series may be
surrendered for exchange, where Securities of that series that are convertible and
exchangeable may be surrendered for conversion or exchange, as applicable, and where
notices and demands to or upon the Company in respect of the Securities of that series
and this Indenture may be served.
	 
	 	(3)	 	The Company will give prompt written notice to the Trustees 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
Trustees with the address thereof, such presentations, surrenders, notices and demands
may be made or served at the Corporate Trust Office of the U.S. Trustee, except that
Bearer Securities of any series and the related coupons may be presented and
surrendered for payment at the offices specified in the Security and the Company hereby
appoints the same as its agents to receive such respective presentations, surrenders,
notices and demands.

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	 	(4)	 	Unless otherwise specified with respect to any Securities pursuant to Section
3.01, no payment of principal, premium or interest on Bearer Securities shall be made
at any office or agency of the Company in the United States or by check mailed to any
address in the United States or by transfer to an account maintained with a bank
located in the United States; provided, however, that, if the
Securities of a series are payable in Dollars, payment of principal of (and premium, if
any) and interest, if any, on any Bearer Security shall be made at the office of the
Company’s Paying Agent in The City of New York, if (but only if) payment in Dollars of
the full amount of such principals, premium or interest, as the case may be, at all
offices or agencies outside the United States maintained for such purpose by the
Company in accordance with this Indenture is illegal or effectively precluded by
exchange controls or other similar restrictions.
	 
	 	(5)	 	The Company may also from time to time designate one or more other offices or
agencies where the Securities of one or more series may be presented or surrendered for
any or all such purposes and may from time to time rescind any such designation;
provided, however, that no such designation or rescission shall in any
manner relieve the Company of its obligation to maintain an office or agency in
accordance with the requirements set forth above for securities of any series for such
purposes. The Company will give prompt written notice to the Trustees of any such
designation or rescission and of any change in the location of any such other office or
agency. Unless otherwise specified with respect to any Securities as contemplated by
Section 3.01 with respect to a series of Securities, the Company hereby initially
appoints the U.S. Trustee at its Corporate Trust office as Paying Agent in such city
and as its agent to receive all such presentations, surrenders, notices and demands.
	 
	 	(6)	 	Unless otherwise specified with respect to any Securities pursuant to Section
3.01, if and so long as the Securities of any series (i) are denominated in a Currency
other than Dollars or (ii) may be payable in a Currency other than Dollars, or so long
as it is required under any other provision of the Indenture, then the Company will
maintain with respect to each such series of Securities, or as so required, at least
one Exchange Rate Agent.

Section 11.03 Money for Securities Payments to Be Held in Trust

     If the Company shall at any time act as its own Paying Agent with respect to any series of
Securities and any related coupons, it will, on or before each due date of the principal of (or
premium, if any) or interest, if any, on any of the Securities of that series, segregate and hold
in trust for the benefit of the Persons entitled thereto a sum in the Currency in which the
Securities of such series are payable (except as otherwise specified pursuant to Section 3.01 for
the Securities of such series and except, if applicable, as provided in Sections 3.12(b), 3.12(d)
and 3.12(e)) sufficient to pay the principal of (or premium, if any) or interest, if any, on
Securities of such series so becoming due until such sums shall be paid to such Persons or
otherwise disposed of as herein provided and will promptly notify the Trustees of its action or
failure so to act.

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     Whenever the Company shall have one or more Paying Agents for any series of Securities and any
related coupons, it will, at least three Business Days in advance of the due date of the principal
of (or premium, if any) or interest, if any, on any Securities of that series, deposit with a
Paying Agent a sum (in the Currency described in the preceding paragraph) sufficient to pay the
principal (or premium, if any) or interest, if any, so becoming due, such sum to be held in trust
for the benefit of the Persons entitled to such principal, premium or interest, and (unless such
Paying Agent is such Trustee) the Company will promptly notify the Trustees of its action or
failure so to act.

     The Company will cause each Paying Agent (other than the Trustees) for any series of
Securities to execute and deliver to the Trustees an instrument in which such Paying Agent shall
agree with the Trustees, subject to the provisions of this Section, that such Paying Agent will:

	 	(1)	 	hold all sums held by it for the payment of the principal of (and premium, if
any) and interest, if any, on Securities of such series in trust for the benefit of the
Persons entitled thereto until such sums shall be paid to such Persons or otherwise
disposed of as herein provided;
	 
	 	(2)	 	give the Trustees notice of any default by the Company (or any other obligor
upon the Securities of such series) in the making of any payment of principal of (or
premium, if any) or interest, if any, on the Securities of such series; and
	 
	 	(3)	 	at any time during the continuance of any such default, upon the written
request of the Trustees, forthwith pay to the Trustees all sums so held in trust by
such Paying Agent.

     The Company may at any time, for the purpose of obtaining the satisfaction and discharge of
this Indenture or for any other purpose, pay, or by Company Order direct any Paying Agent to pay,
to the Trustees all sums held in trust by the Company or such Paying Agent, such sums to be held by
the Trustees upon the same trusts as those upon which sums were held by the Company or such Paying
Agent; and, upon such payment by any Paying Agent to the Trustees, such Paying Agent shall be
released from all further liability with respect to such sums.

     Except as provided in the Securities of any series, any money deposited with the Trustees or
any Paying Agent, or then held by the Company, in trust for the payment of the principal of (or
premium, if any) or interest, if any, on any Security of any series, or any coupon appertaining
thereto, and remaining unclaimed for two years after such principal, premium or interest has become
due and payable shall be paid to the Company on Company Request, or (if then held by the Company)
shall be discharged from such trust; and the Holder of such Security or coupon shall thereafter, as
an unsecured general creditor, look only to the Company for payment thereof, and all liability of
the Trustees or such Paying Agent with respect to such trust money, and all liability of the
Company as trustee thereof, shall thereupon cease; provided, however, that the
Trustees 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 an Authorized Newspaper, notice that such money
remains unclaimed and that, after a date specified therein, which shall not be less than 30 days
from the date of such publication, any unclaimed balance of such money then remaining will be
repaid to the Company.

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Section 11.04 Statement as to Compliance

     The Company shall deliver to the Trustees, on or before 120 days after the end of the
Company’s fiscal year, an Officers’ Certificate stating that a review of the activities of the
Company during such fiscal year has been made under the supervision of the signing officers with a
view to determining whether the Company has kept, observed, performed and fulfilled its obligations
under this Indenture, and further stating, as to each such officer signing such certificate, that
the Company has kept, observed, performed and fulfilled each and every covenant contained in this
Indenture and is not in default in the performance or observance of any of the terms, provisions
and conditions hereof (or, if a Default or Event of Default shall have occurred and is continuing,
describing all such Defaults or Events of Default of which he or she may have knowledge and what
action the Company is taking or propose to take with respect thereto). The Company shall deliver
to the Trustees upon demand evidence in such form as the Trustees may require as to compliance by
the Company with any condition or covenant of the Company set out herein relating to any action
required or permitted to be taken by the Company under this Indenture or as a result of any
obligation imposed by this Indenture. For purposes of this Section, such compliance shall be
determined without regard to any period of grace or requirement of notice under this Indenture.

Section 11.05 Additional Amounts

     If specified pursuant to Section 3.01, all payments made by or on behalf of the Company under
or with respect to the Canadian Securities of any series will be made free and clear of and without
withholding or deduction for or on account of any present or future tax, duty, levy, impost,
assessment or other government 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 (“Canadian
Taxes”), unless the Company is required to withhold or deduct Canadian Taxes by law or by the
interpretation or administration thereof by the relevant government authority or agency. If the
Company is so required to withhold or deduct any amount for or on account of Canadian Taxes from
any payment made under or with respect to the Canadian Securities, the Company will pay as
additional interest such additional amounts (“Additional Amounts”) as may be necessary so that the
net amount received by each Holder after such withholding or deduction (including with respect to
Additional Amounts) will not be less than the amount the Holder would have received if such
Canadian Taxes had not been withheld or deducted; provided, however, that no
Additional Amounts will be payable with respect to a payment made to a Holder (an “Excluded
Holder”) if the Holder or the beneficial owner of some or all of the payment to the Holder (i) does
not deal at arm’s length with the Company (for purposes of the Income Tax Act (Canada)) at the time
of the making of such payment, (ii) is subject to such Canadian Taxes by reason of its failure to
comply with any certification, identification, information, documentation or other reporting
requirement 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 Canadian Taxes, (iii) is subject to such Canadian Taxes by reason of its being a resident,
domicile or national of, or engaged in business or maintaining a permanent establishment or other
physical presence in or otherwise having some connection with Canada or any province or territory
thereof otherwise than by the mere holding of Canadian Securities or the receipt of payments
thereunder, or (iv) is subject to

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such Canadian Taxes because it is not entitled to the benefit of an otherwise applicable tax
treaty by reason of its legal nature. The Company will make such withholding or deduction and
remit the full amount deducted or withheld to the relevant authority as and when required in
accordance with applicable law. The Company will pay all taxes, interest and other liabilities
which arise by virtue of any failure of the Company to withhold, deduct and remit to the relevant
authority on a timely basis the full amounts required in accordance with applicable law. The
Company will furnish to the Holders, within 60 days after the date the payment of any Canadian
Taxes is due pursuant to applicable law, certified copies of tax receipts or other satisfactory
evidence of such payment by the Company.

     If as a result of any payment by or on behalf of the Company under or with respect to the
Canadian Securities of any series, any Holder is required to pay tax under Part XIII of the Income
Tax Act (Canada) or any successor provisions in circumstances where the Company is not required to
make a withholding with respect to such tax (for instance, in accordance with Section 803 of the
Regulations to the Income Tax Act (Canada)), then the Company will, upon demand by any such Holder,
indemnify such Holder (other than a Holder (i) with which the Company does not deal at arm’s length
(for the purposes of the Income Tax Act (Canada)) at the time of the making of such payment; (ii)
which is subject to such Canadian Taxes by reason of its failure to comply with any certification,
identification, information, documentation or other reporting requirement 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 Canadian Taxes for the
payment of any such taxes, together with any interest, penalties and expenses in connection
therewith, or (iii) which is subject to such Canadian Taxes because it is not entitled to the
benefit of an otherwise applicable tax treaty by reason of the legal nature of such Holder). All
such amounts shall be payable by the Company on demand and shall bear interest at the rate borne by
the Canadian Securities, calculated from the date incurred by the Holder to the date paid by the
Company. All such amounts shall be Additional Amounts for the purpose of this Indenture.

     Promptly following the Company becoming aware that the Company will be obligated to pay
Additional Amounts with respect to a payment hereunder, the Company will deliver to the Trustees
and to any Paying Agent an Officers’ Certificate stating the fact that such Additional Amounts will
be payable and the amounts so payable. References in this Indenture to interest, principal or
other payments made or to be made by the Company with respect to the Candian Securities shall be
deemed also to refer to the payment of Additional Amounts provided for in Section 3.01 that may be
payable in respect thereof.

     The provisions of this Section 11.05 shall survive any termination, defeasance or discharge of
this Indenture.

Section 11.06 Payment of Taxes and Other Claims

     The Company will pay or discharge or cause to be paid or discharged, before the same shall
become delinquent, (1) all material taxes, assessments and governmental charges levied or imposed
upon the Company or any Subsidiary or upon the income, profits or property of the Company or any
Subsidiary, and (2) all material lawful claims for labor, materials and supplies which, if unpaid,
might by law become a Lien upon any property or assets of the Company or

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any Subsidiary; provided, however, that the Company shall not be required to
pay or discharge or cause to be paid or discharged any such tax, assessment, charge or claim whose
amount, applicability or validity is being contested in good faith by appropriate proceedings.

Section 11.07 Corporate Existence

     Subject to Article Nine, 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 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.

Section 11.08 Waiver of Certain Covenants

     The Company may, with respect to any series of Securities, omit in any particular instance to
comply with any term, provision or condition which affects such series set forth in Section 11.06
and Section 11.07, or, as specified pursuant to Section 3.01(17) for Securities of such series, in
any covenants of the Company added to this Article pursuant to Section 3.01(16) or Section 3.01(17)
in connection with Securities of such series, if before the time for such compliance the Holders of
at least a majority in principal amount of all Outstanding Securities of any series, by Act of such
Holders, waive such compliance in such instance with such term, provision or condition, but no such
waiver shall extend to or affect such term, provision or condition except to the extent so
expressly waived, and, until such waiver shall become effective, the obligations of the Company and
the duties of the Trustees to Holders of Securities of such series in respect of any such term,
provision or condition shall remain in full force and effect.

ARTICLE TWELVE

REDEMPTION OF SECURITIES

Section 12.01 Applicability of Article

     Securities of any series which are redeemable before their Stated Maturity shall be redeemable
in accordance with the terms of such Securities and (except as otherwise specified as contemplated
by Section 3.01 for Securities of any series) in accordance with this Article.

Section 12.02 Election to Redeem; Notice to Trustees

     The election of the Company to redeem any securities shall be evidenced by or pursuant to a
Board Resolution. In case of any redemption at the election of the Company, the Company shall, at
least 60 days prior to the Redemption Date fixed by the Company (unless a shorter notice shall be
satisfactory to the Trustees), notify the Trustees of such Redemption Date and of the principal
amount of Securities of such series to be redeemed and shall deliver to the Trustees such
documentation and records as shall enable the Trustees to select the Securities to be redeemed
pursuant to Section 12.03. In the case of any redemption of Securities prior to the expiration of
any restriction on such redemption provided in the terms of such Securities or

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elsewhere in this Indenture, the Company shall furnish to the Trustees an Officers’
Certificate evidencing compliance with such restriction.

Section 12.03 Selection by Trustees of Securities to Be Redeemed

     If less than all the Securities of any series are to be redeemed, the particular Securities to
be redeemed shall be selected not more than 60 days prior to the Redemption Date by the Trustees,
from the Outstanding Securities of such series not previously called for redemption, by such method
as the Trustees shall deem fair and appropriate and which may provide for the selection for
redemption of portions of the principal of Securities of such series; provided,
however, that no such partial redemption shall reduce the portion of the principal amount
of a Security not redeemed to less than the minimum authorized denomination for Securities of such
series established pursuant to Section 3.01.

     The Trustees shall promptly notify the Company in writing of the Securities selected for
redemption and, in the case of any Securities selected for partial redemption, the principal amount
thereof to be redeemed.

     For all purposes of this Indenture, unless the context otherwise requires, all provisions
relating to the redemption of Securities shall relate, in the case of any Security redeemed or to
be redeemed only in part, to the portion of the principal amount of such Security which has been or
is to be redeemed.

Section 12.04 Notice of Redemption

     Except as otherwise specified as contemplated by Section 3.01, notice of redemption shall be
given in the manner provided for in Section 1.06 not less than 30 nor more than 60 days prior to
the Redemption Date, to each Holder of Securities to be redeemed. Failure to give notice in the
manner provided in Section 1.06 to the Holder of any Securities designated for redemption as a
whole or in part, or any defect in the notice to any such Holder, shall not affect the validity of
the proceedings for the redemption of any other Securities or portion thereof.

     All notices of redemption shall state:

	 	(1)	 	the Redemption Date,
	 
	 	(2)	 	the Redemption Price and the amount of accrued interest to the Redemption Date
payable as provided in Section 12.06, if any,
	 
	 	(3)	 	if less than all the Outstanding Securities of any series are to be redeemed,
the identification (and, in the case of partial redemption, the principal amounts) of
the particular Securities to be redeemed,
	 
	 	(4)	 	in case any Security is to be redeemed in part only, the notice which relates
to such Security shall state that on and after the Redemption Date, upon surrender of
such Security, the holder will receive, without charge, a new Security or Securities of
authorized denominations for the principal amount thereof remaining unredeemed,

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	 	(5)	 	that on the Redemption Date, the Redemption Price and accrued interest, if any,
to the Redemption Date payable as provided in Section 12.06 will become due and payable
upon each such Security, or the portion thereof, to be redeemed and, if applicable,
that interest thereon will cease to accrue on and after said date,
	 
	 	(6)	 	the Place or Places of Payment where such Securities, together in the case of
Bearer Securities with all coupons appertaining thereto, if any, maturing after the
Redemption Date, are to be surrendered for payment of the Redemption Price and accrued
interest, if any,
	 
	 	(7)	 	that the redemption is for a sinking fund, if such is the case,
	 
	 	(8)	 	that, unless otherwise specified in such notice, Bearer Securities of any
series, if any, surrendered for redemption must be accompanied by all coupons maturing
subsequent to the Redemption Date or the amount of any such missing coupon or coupons
will be deducted from the Redemption Price unless security or indemnity satisfactory to
the Company, the Trustees and any Paying Agent is furnished, and
	 
	 	(9)	 	if Bearer Securities of any series are to be redeemed and any Registered
Securities of such series are not to be redeemed, and if such Bearer Securities may be
exchanged for Registered Securities not subject to redemption on such Redemption Date
pursuant to Section 3.05 or otherwise, the last date, as determined by the Company, on
which such exchanges may be made.

     Notice of redemption of Securities to be redeemed at the election of the Company shall be
given by the Company or, at the Company’s request, by the Trustees in the name and at the expense
of the Company.

Section 12.05 Deposit of Redemption Price

     At least three Business Days prior to any Redemption Date, the Company shall deposit with a
Trustee or with a Paying Agent (or, if the Company is acting as its own Paying Agent, segregate and
hold in trust as provided in Section 11.03) an amount of money in the Currency in which the
Securities of such series are payable (except as otherwise specified pursuant to Section 3.01 for
the Securities of such series and except, if applicable, as provided in Sections 3.12(b), 3.12(d)
and 3.12(e)) sufficient to pay the Redemption Price of, and accrued interest, if any, on, all the
Securities which are to be redeemed on that date.

Section 12.06 Securities Payable on Redemption Date

     Notice of redemption having been given as aforesaid, the Securities so to be redeemed shall,
on the Redemption Date, become due and payable at the Redemption Price therein specified in the
Currency in which the Securities of such series are payable (except as otherwise specified pursuant
to Section 3.01 for the Securities of such series and except, if applicable, as provided in
Sections 3.12(b), 3.12(d) and 3.12(e)) (together with accrued interest, if any, to the Redemption
Date), and from and after such date (unless the Company shall default in the payment of the
Redemption Price and accrued interest, if any) such Securities shall, if the same were
interest-bearing, cease to bear interest and the coupons for such interest appertaining to any

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Bearer Securities so to be redeemed, except to the extent provided below, shall be void. Upon
surrender of any such Security for redemption in accordance with said notice, together with all
coupons, if any, appertaining thereto maturing after the Redemption Date, such Security shall be
paid by the Company at the Redemption Price, together with accrued interest, if any, to the
Redemption Date; provided, however, that installments of interest on Bearer
Securities whose Stated Maturity is on or prior to the Redemption Date shall be payable only at an
office or agency located outside the United States (except as otherwise provided in Section 11.02)
and, unless otherwise specified as contemplated by Section 3.01, only upon presentation and
surrender of coupons for such interest; and provided further that installments of interest on
Registered Securities whose Stated Maturity is on or prior to the Redemption Date shall be payable
to the Holders of such Securities, or one or more Predecessor Securities, registered as such at the
close of business on the relevant Record Dates according to their terms and the provisions of
Section 3.07.

     If any Bearer Security surrendered for redemption shall not be accompanied by all appurtenant
coupons maturing after the Redemption Date, such Security may be paid after deducting from the
Redemption Price an amount equal to the face amount of all such missing coupons, or the surrender
of such missing coupon or coupons may be waived by the Company and the Trustees if there be
furnished to them such security or indemnity as they may require to save each of them and any
Paying Agent harmless. If thereafter the Holder of such Security shall surrender to the Trustees
or any Paying Agent any such missing coupon in respect of which a deduction shall have been made
from the Redemption Price, such Holder shall be entitled to receive the amount so deducted;
provided, however, that interest represented by coupons shall be payable only at an
office or agency located outside the United States (except as otherwise provided in Section 11.02)
and, unless otherwise specified as contemplated by Section 3.01, only upon presentation and
surrender of those coupons.

     If any Security called for redemption shall not be so paid upon surrender thereof for
redemption, the principal (and premium, if any) shall, until paid, bear interest from the
Redemption Date at the rate of interest or Yield to Maturity (in the case of original Issue
Discount Securities) set forth in such Security.

Section 12.07 Securities Redeemed in Part

     Any Security which is to be redeemed only in part (pursuant to the provisions of this Article
or of Article Thirteen) shall be surrendered at a Place of Payment therefor (with, if the Company
or the Trustees so requires, due endorsement by, or a written instrument of transfer in form
satisfactory to the Company and the Trustees duly executed by, the Holder thereof or such Holder’s
attorney duly authorized in writing), and the Company shall execute, and either Trustee shall
authenticate and deliver to the Holder of such Security without service charge, a new Security or
Securities of the same series, of any authorized denomination as requested by such Holder, in
aggregate principal amount equal to and in exchange for the unredeemed portion of the principal of
the Security so surrendered.

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Section 12.08 Tax Redemption

     If specified pursuant to Section 3.01, the Canadian Securities of a series will be subject to
redemption at any time, in whole but not in part, at a redemption price equal to the principal
amount thereof together with accrued and unpaid interest to the date fixed for redemption, upon the
giving of a notice as described below, if in regard to the Canadian Securities (1) the Company
determines that (a) as a result of any change in or amendment to the laws (or any regulations or
rulings promulgated thereunder) of Canada or of any political subdivision or taxing authority
thereof or therein affecting taxation, or any change in position regarding application or
interpretation of such laws, regulations or rulings (including a holding by a court of competent
jurisdiction), which change or amendment is announced or becomes effective on or after a date
specified pursuant to Section 3.01, if any date is so specified, the Company has or will become
obligated to pay, on the next succeeding date on which interest is due, Additional Amounts pursuant
to Section 11.05 or (b) on or after a date specified pursuant to Section 3.01, any action has been
taken by any taxing authority of, or any decision has been rendered by a court of competent
jurisdiction in, Canada or any political subdivision or taxing authority thereof or therein,
including any of those actions specified in (a) above, whether or not such action was taken or
decision was rendered with respect to the Company, or any change, amendment, application or
interpretation shall be proposed, which, in any such case, in the opinion of Counsel to the
Company, will result in the Company becoming obligated to pay, on the next succeeding date on which
interest is due, Additional Amounts with respect to any Security of such series and (2) in any such
case, the Company in its business judgment determines that such obligation cannot be avoided by the
use of reasonable measures available to the Company; provided, however, that (i) no
such notice of redemption may be given earlier than 90 days prior to the earliest date on which the
Company would be obligated to pay such Additional Amounts were a payment in respect of the
Securities then due, and (ii) at the time such notice of redemption is given, such obligation to
pay such Additional Amounts remains in effect.

     In the event that the Company elects to redeem the Canadian Securities pursuant to the
provisions set forth in the preceding paragraph, the Company shall deliver to the Trustees a
certificate, signed by an authorized officer, stating that the Company is entitled to redeem the
Canadian Securities pursuant to their terms.

ARTICLE THIRTEEN

SINKING FUNDS

Section 13.01 Applicability of Article

     Retirements of Securities of any series pursuant to any sinking fund shall be made in
accordance with the terms of such Securities and (except as otherwise specified as contemplated by
Section 3.01 for Securities of any series) in accordance with this Article.

     The minimum amount of any sinking fund payment provided for by the terms of Securities of any
series is herein referred to as a “mandatory sinking fund payment”, and any payment in excess of
such minimum amount provided for by the terms of Securities of any series is herein referred to as
an “optional sinking fund payment”. If provided for by the terms of Securities of any series, the
cash amount of any mandatory sinking fund payment may be subject

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to reduction as provided in Section 13.02. Each sinking fund payment shall be applied to the
redemption of Securities of any series as provided for by the terms of Securities of such series.

Section 13.02 Satisfaction of Sinking Fund Payments with Securities

     Subject to Section 13.03, in lieu of making all or any part of any mandatory sinking fund
payment with respect to any Securities of a series in cash, the Company may at its option (1)
deliver to the Trustees Outstanding Securities of a series (other than any previously called for
redemption) theretofore purchased or otherwise acquired by the Company together in the case of any
Bearer Securities of such series with all un-matured coupons appertaining thereto, and/or (2)
receive credit for the principal amount of Securities of such series which have been previously
delivered to the Trustees by the Company or for Securities of such series which have been redeemed
either at the election of the Company pursuant to the terms of such Securities or through the
application of permitted optional sinking fund payments pursuant to the terms of such Securities,
in each case in satisfaction of all or any part of any mandatory sinking fund payment with respect
to the Securities of the same series required to be made pursuant to the terms of such Securities
as provided for by the terms of such series; provided, however, that such
Securities have not been previously so credited. Such Securities shall be received and credited
for such purpose by the Trustees at the Redemption Price specified in such Securities for
redemption through operation of the sinking fund and the amount of such mandatory sinking fund
payment shall be reduced accordingly.

Section 13.03 Redemption of Securities for Sinking Fund

     Not less than 60 days prior to each sinking fund payment date for any series of Securities,
the Company will deliver to the Trustees an Officers’ Certificate specifying the amount of the next
ensuing sinking fund payment for that series pursuant to the terms of that series, the portion
thereof, if any, which is to be satisfied by payment of cash in the Currency in which the
Securities of such series are payable (except as otherwise specified pursuant to Section 3.01 for
the Securities of such series and except, if applicable, as provided in Sections 3.12(b), 3.12(d)
and 3.12(e)) and the portion thereof, if any, which is to be satisfied by delivering or crediting
Securities of that series pursuant to Section 13.02 (which Securities will, if not previously
delivered, accompany such certificate) and whether the Company intends to exercise its right to
make a permitted optional sinking fund payment with respect to such series.

     Such certificate shall be irrevocable and upon its delivery the Company shall be obligated to
make the cash payment or payments therein referred to, if any, on or before the next succeeding
sinking fund payment date. In the case of the failure of the Company to deliver such certificate,
the sinking fund payment due on the next succeeding sinking fund payment date for that series shall
be paid entirely in cash and shall be sufficient to redeem the principal amount of such Securities
subject to a mandatory sinking fund payment without the option to deliver or credit Securities as
provided in Section 13.02 and without the right to make any optional sinking fund payment, if any,
with respect to such series.

     Not more than 60 days before each such sinking fund payment date the Trustees shall select the
Securities to be redeemed upon such sinking fund payment date in the manner specified in Section
12.03 and cause notice of the redemption thereof to be given in the name of

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and at the expense of the Company in the manner provided in Section 12.04. Such notice having
been duly given, the redemption of such Securities shall be made upon the terms and in the manner
stated in Section 12.06 and Section 12.07.

     Prior to any sinking fund payment date, the Company shall pay to the Trustees or a Paying
Agent (or, if the Company is acting as its own Paying Agent, segregate and hold in trust as
provided in Section 11.03) in cash a sum equal to any interest that will accrue to the date fixed
for redemption of Securities or portions thereof to be redeemed on such sinking fund payment date
pursuant to this Section.

     Notwithstanding the foregoing, with respect to a sinking fund for any series of Securities, if
at any time the amount of cash to be paid into such sinking fund on the next succeeding sinking
fund payment date, together with any unused balance of any preceding sinking fund payment or
payments for such series, does not exceed in the aggregate $100,000, the Trustees, unless requested
by the Company, shall not give the next succeeding notice of the redemption of Securities of such
series through the operation of the sinking fund. Any such unused balance of moneys deposited in
such sinking fund shall be added to the sinking fund payment for such series to be made in cash on
the next succeeding sinking fund payment date or, at the request of the Company, shall be applied
at any time or from time to time to the purchase of Securities of such series, by public or private
purchase, in the open market or otherwise, at a purchase price for such Securities (excluding
accrued interest and brokerage commissions, for which the Trustees or any Paying Agent will be
reimbursed by the Company) not in excess of the principal amount thereof.

ARTICLE FOURTEEN

REPAYMENT AT OPTION OF HOLDERS

Section 14.01 Applicability of Article

     Repayment of Securities of any series before their Stated Maturity at the option of Holders
thereof shall be made in accordance with the terms of such Securities and (except as otherwise
specified as contemplated by Section 3.01 for Securities of any series) in accordance with this
Article.

Section 14.02 Repayment of Securities

     Securities of any series subject to repayment in whole or in part at the option of the Holders
thereof will, unless otherwise provided in the terms of such Securities, be repaid at a price equal
to the principal amount thereof, together with interest, if any, thereon accrued to the Repayment
Date specified in or pursuant to the terms of such Securities. The Company covenants that at least
three Business Days prior to the Repayment Date it will deposit with a Trustee or with a Paying
Agent (or, if the Company is acting as its own Paying Agent, segregate and hold in trust as
provided in Section 11.03) an amount of money in the Currency in which the Securities of such
series are payable (except as otherwise specified pursuant to Section 3.01 for the Securities of
such series and except, if applicable, as provided in Sections 3.12(b), 3.12(d) and 3.12(e))
sufficient to pay the principal (or, if so provided by the terms of the Securities of any series, a
percentage of the principal) of and (except if the Repayment Date shall be an

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Interest Payment Date) accrued interest, if any, on, all the Securities or portions thereof,
as the case may be, to be repaid on such date.

Section 14.03 Exercise of Option

     Securities of any series subject to repayment at the option of the Holders thereof will
contain an “Option to Elect Repayment” form on the reverse of such Securities. To be repaid at the
option of the Holder, any Security so providing for such repayment, with the “Option to Elect
Repayment” form on the reverse of such Security duly completed by the Holder (or by the Holder’s
attorney duly authorized in writing), must be received by the Company at the Place of Payment
therefor specified in the terms of such Security (or at such other place or places which the
Company shall from time to time notify the Holders of such Securities) not earlier than 45 days nor
later than 30 days prior to the Repayment Date. If less than the entire principal amount of such
Security is to be repaid in accordance with the terms of such Security, the principal amount of
such Security to be repaid, in increments of the minimum denomination for Securities of such
series, and the denomination or denominations of the Security or Securities to be issued to the
Holder for the portion of the principal amount of such Security surrendered that is not to be
repaid, must be specified. The principal amount of any Security providing for repayment at the
option of the Holder thereof may not be repaid in part if, following such repayment, the unpaid
principal amount of such Security would be less than the minimum authorized denomination of
Securities of the series of which such Security to be repaid is a part. Except as otherwise may be
provided by the terms of any Security providing for repayment at the option of the Holder thereof,
exercise of the repayment option by the Holder shall be irrevocable unless waived by the Company.

Section 14.04 When Securities Presented for Repayment Become Due and Payable

     If Securities of any series providing for repayment at the option of the Holders thereof shall
have been surrendered as provided in this Article and as provided by or pursuant to the terms of
such Securities, such Securities or the portions thereof, as the case may be, to be repaid shall
become due and payable and shall be paid by the Company on the Repayment Date therein specified,
and on and after such Repayment Date (unless the Company shall default in the payment of such
Securities on such Repayment Date) such Securities shall, if the same were interest-bearing, cease
to bear interest and the coupons for such interest appertaining to any Bearer Securities so to be
repaid, except to the extent provided below, shall be void. Upon surrender of any such Security
for repayment in accordance with such provisions, together with all coupons, if any, appertaining
thereto maturing after the Repayment Date, the principal amount of such Security so to be repaid
shall be paid by the Company, together with accrued interest, if any, to the Repayment Date;
provided, however, that coupons whose Stated Maturity is on or prior to the
Repayment Date shall be payable only at an office or agency located outside the United States
(except as otherwise provided in Section 11.02) and, unless otherwise specified pursuant to Section
3.01, only upon presentation and surrender of such coupons; and
provided further that, in the case
of Registered Securities, installments of interest, if any, whose Stated Maturity is on or prior to
the Repayment Date shall be payable to the Holders of such Securities, or one or more Predecessor
Securities, registered as such at the close of business on the relevant Record Dates according to
their terms and the provisions of Section 3.07.

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     If any Bearer Security surrendered for repayment shall not be accompanied by all appurtenant
coupons maturing after the Repayment Date, such Security may be paid after deducting from the
amount payable therefor as provided in Section 14.02 an amount equal to the face amount of all such
missing coupons, or the surrender of such missing coupon or coupons may be waived by the Company
and the Trustees if there be furnished to them such security or indemnity as they may require to
save each of them and any Paying Agent harmless. If thereafter the Holder of such Security shall
surrender to the Trustees or any Paying Agent any such missing coupon in respect of which a
deduction shall have been made as provided in the preceding sentence, such Holder shall be entitled
to receive the amount so deducted; provided, however, that interest represented by
coupons shall be payable only at an office or agency located outside the United States (except as
otherwise provided in Section 11.02) and, unless otherwise specified as contemplated by Section
3.01, only upon presentation and surrender of those coupons.

     If the principal amount of any Security surrendered for repayment shall not be so repaid upon
surrender thereof, such principal amount (together with interest, if any, thereon accrued to such
Repayment Date) shall, until paid, bear interest from the Repayment Date at the rate of interest or
Yield to Maturity (in the case of Original Issue Discount Securities) set forth in such Security.

Section 14.05 Securities Repaid in Part

     Upon surrender of any Registered Security which is to be repaid in part only, the Company
shall execute and either Trustee shall authenticate and deliver to the Holder of such Security,
without service charge and at the expense of the Company, a new Registered Security or Securities
of the same series, of any authorized denomination specified by the Holder, in an aggregate
principal amount equal to and in exchange for the portion of the principal of such Security so
surrendered which is not to be repaid.

ARTICLE FIFTEEN

DEFEASANCE AND COVENANT DEFEASANCE

Section 15.01 Company’s Option to Effect Defeasance or Covenant Defeasance

     Except as otherwise specified as contemplated by Section 3.01 for Securities of any series,
the provisions of this Article shall apply to each series of Securities, and the Company may, at
its option, effect defeasance (as defined below) of the Securities of or within a series under
Section 15.02, or covenant defeasance (as defined below) of or within a series under Section 15.03
in accordance with the terms of such Securities and in accordance with this Article.

Section 15.02 Defeasance and Discharge

     Upon the Company’s exercise of the above option applicable to this Section with respect to any
Securities of or within a series, the Company shall be deemed to have been discharged from its
obligations with respect to such Outstanding Securities and any related coupons on the date the
conditions set forth in Section 15.04 are satisfied (hereinafter, “defeasance”). For this purpose,
such defeasance means that the Company shall be deemed to have paid and discharged

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the entire indebtedness represented by such Outstanding Securities and any related coupons,
which shall thereafter be deemed to be “Outstanding” only for the purposes of Section 15.05 and the
other Sections of this Indenture referred to in (A) and (B) below, and to have satisfied all its
other obligations under such Securities and any related coupons and this Indenture insofar as such
Securities and any related coupons are concerned (and the Trustees, at the expense of the Company,
shall execute proper instruments acknowledging the same), except for the following which shall
survive until otherwise terminated or discharged hereunder: (A) the rights of Holders of such
Outstanding Securities and any related coupons to receive, solely from the trust fund described in
Section 15.04 and as more fully set forth in such Section, payments in respect of the principal of
(and premium, if any) and interest, if any, on such Securities and any related coupons when such
payments are due, (B) the Company’s obligations with respect to such Securities under Sections
3.04, 3.05, 3.06, 11.02 and 11.03 and with respect to the payment of Additional Amounts, if any, on
such Securities as contemplated by Section 11.05, (C) the rights, powers, trusts, duties and
immunities of the Trustees hereunder and (D) this Article. Subject to compliance with this
Article, the Company may exercise its option under this Section notwithstanding the prior exercise
of its option under Section 15.03 with respect to such Securities and any related coupons.

Section 15.03 Covenant Defeasance

     Upon the Company’s exercise of the above option applicable to this Section with respect to any
Securities of or within a series, the Company shall be released from its obligations under Section
11.06 and Section 11.07, and, if specified pursuant to Section 3.01, its obligations under any
other covenant, with respect to such Outstanding Securities and any related coupons on and after
the date the conditions set forth in Section 15.04 are satisfied (hereinafter, “covenant
defeasance”), and such Securities and any related coupons shall thereafter be deemed not to be
“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. For this purpose, such covenant defeasance
means that, with respect to such outstanding Securities and any related coupons, 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 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 clauses (4), (5) or (9) of Section 6.01 or otherwise, as the case may be,
but, except as specified above, the remainder of this Indenture and such Securities and any related
coupons shall be unaffected thereby.

Section 15.04 Conditions to Defeasance or Covenant Defeasance

     The following shall be the conditions to application of either Section 15.02 or Section
Section 15.03 to any Outstanding Securities of or within a series and any related coupons:

	 	(1)	 	The Company shall irrevocably have deposited or caused to be deposited with
either Trustee (or another trustee satisfying the requirements of Section 7.08 who
shall agree to comply with the provisions of this Article applicable to it) as trust
funds in trust for the purpose of making the following payments, specifically

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	 	 	 	pledged as security for, and dedicated solely to, the benefit of the Holders of such
Securities and any related coupons, (A) an amount (in such Currency in which such
Securities and any related coupons are then specified as payable at Stated
Maturity), or (B) Government Obligations applicable to such Securities (determined
on the basis of the Currency in which such Securities are then specified as payable
at Stated Maturity) which through the scheduled payment of principal and interest in
respect thereof in accordance with their terms will provide, not later than one day
before the due date of any payment of principal of and premium, if any, and
interest, if any, under such Securities and any related coupons, money in an amount,
or (C) a combination thereof, sufficient, in the opinion of a nationally recognized
firm of independent public accountants expressed in a written certification thereof
delivered to the Trustees, to pay and discharge, and which shall be applied by the
Trustees (or other qualifying trustee) to pay and discharge, (i) the principal of
(and premium, if any) and interest, if any, on such Outstanding Securities and any
related coupons on the Stated Maturity (or Redemption Date, if applicable) of such
principal (and premium, if any) or installment of interest, if any, (ii) any
mandatory sinking fund payments or analogous payments applicable to such Outstanding
Securities and any related coupons on the day on which such payments are due and
payable in accordance with the terms of this Indenture and of such Securities and
any related coupons, and (iii) all amounts due the Trustees under Section 7.07;
provided that the Trustees shall have been irrevocably instructed to apply
such money or the proceeds of such Government Obligations to said payments with
respect to such Securities and any related coupons. Before such a deposit, the
Company may give to the Trustees, in accordance with Section 12.02 hereof, a notice
of its election to redeem all or any portion of such Outstanding Securities at a
future date in accordance with the terms of the Securities of such series and
Article Tweleve hereof, which notice shall be irrevocable. Such irrevocable
redemption notice, if given, shall be given effect in applying the foregoing.
	 
	 	(2)	 	No Default or Event of Default with respect to such Securities or any related
coupons shall have occurred and be continuing on the date of such deposit or, insofar
as clauses (7) and (8) of Section 6.01 are concerned, at any time during the period
ending on the 91st day after the date of such deposit (it being understood that this
condition shall not be deemed satisfied until the expiration of such period).
	 
	 	(3)	 	Such defeasance or covenant defeasance shall not result in a breach or
violation of, or constitute a default under, this Indenture or any other material
agreement or instrument to which the Company is a party or by which it is bound.
	 
	 	(4)	 	In the case of an election under Section 15.02, the Company shall have
delivered to the Trustees an Opinion of Counsel in the United States stating that (x)
the Company has received from, or there has been published by, the Internal Revenue
Service a ruling, or (y) since the date of execution of this Indenture, there has been
a change in the applicable U.S. federal income tax law, in either case to the effect
that, and based thereon such opinion shall confirm that, the Holders of such

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	 	 	 	Outstanding Securities and any related coupons will not recognize income, gain or
loss for U.S. federal income tax purposes as a result of such defeasance and will be
subject to U.S. federal income tax on the same amounts, in the same manner and at
the same times as would have been the case if such defeasance had not occurred.
	 
	 	(5)	 	In the case of an election under Section 15.03, the Company shall have
delivered to the Trustees an Opinion of Counsel in the United States to the effect that
the Holders of such Outstanding Securities 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 U.S. 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.
	 
	 	(6)	 	The Company shall have delivered to the Trustees an Opinion of Counsel in
Canada or a ruling from the Canada Revenue Agency to the effect that the Holders of
such Outstanding Securities will not recognize income, gain or loss for Canadian
federal, provincial or territorial income tax or other tax purposes as a result of such
defeasance or covenant defeasance, as applicable, and will be subject to Canadian
federal, provincial or territorial income tax and other tax on the same amounts, in the
same manner and at the same times as would have been the case had such defeasance or
covenant defeasance, as applicable, not occurred (and for the purposes of such opinion,
such Canadian counsel shall assume that Holders of the Securities include Holders who
are not resident in Canada).
	 
	 	(7)	 	The Company is not an “insolvent person” within the meaning of the Bankruptcy
and Insolvency Act (Canada) on the date of such deposit or at any time during the
period ending on the 91st day after the date of such deposit (it being understood that
this condition shall not be deemed satisfied until the expiration of such period).
	 
	 	(8)	 	Notwithstanding any other provisions of this Section, such defeasance or
covenant defeasance shall be effected in compliance with any additional or substitute
terms, conditions or limitations in connection therewith pursuant to Section 3.01.
	 
	 	(9)	 	The Company shall have delivered to the Trustees an Officers’ Certificate and
an Opinion of Counsel, each stating that all conditions precedent provided for,
relating to either the defeasance under Section 15.02 or the covenant defeasance under
Section 15.03 (as the case may be), have been complied with.

			
	Section 15.05	 	Deposited Money and Government Obligations to Be Held in Trust; Other Miscellaneous
Provisions

     Subject to the provisions of the last paragraph of Section 11.03, all money and Government
Obligations (or other property as may be provided pursuant to Section 3.01) (including the proceeds
thereof) deposited with a Trustee (or other qualifying trustee,

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collectively, for purposes of this Section, the “Trustee”) pursuant to Section 15.04 in
respect of such Outstanding Securities and any related coupons shall be held in trust and applied
by such Trustee, in accordance with the provisions of such Securities and any related coupons and
this Indenture, to the payment, either directly or through any Paying Agent (including the Company
acting as its own Paying Agent) as such Trustee may determine, to the Holders of such Securities
and any related coupons of all sums due and to become due thereon in respect of principal (and
premium, if any) and interest, if any, but such money need not be segregated from other funds
except to the extent required by law.

     Unless otherwise specified with respect to any Security pursuant to Section 3.01, if, after a
deposit referred to in Section 15.04 has been made, (a) the Holder of a Security in respect of
which such deposit was made is entitled to, and does, elect pursuant to Section 3.12(b) or the
terms of such Security to receive payment in a Currency other than that in which the deposit
pursuant to Section 15.04 has been made in respect of such Security, or (b) a Conversion Event
occurs as contemplated in Section 3.12(d) or 3.12(e) or by the terms of any Security in respect of
which the deposit pursuant to Section 15.04 has been made, the indebtedness represented by such
Security and any related coupons shall be deemed to have been, and will be, fully discharged and
satisfied through the payment of the principal of (and premium, if any) and interest, if any, on
such Security as they become due out of the proceeds yielded by converting (from time to time as
specified below in the case of any such election) the amount or other property deposited in respect
of such Security into the Currency in which such Security becomes payable as a result of such
election or Conversion Event based on the applicable Market Exchange Rate for such Currency in
effect on the third Business Day prior to each payment date, except, with respect to a Conversion
Event, for such Currency in effect (as nearly as feasible) at the time of the Conversion Event.

     The Company shall pay and indemnify such Trustee against any tax, fee or other charge imposed
on or assessed against the Government Obligations deposited pursuant to Section 15.04 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 such Outstanding Securities and any related
coupons.

     Anything in this Article to the contrary notwithstanding, such Trustee shall deliver or pay to
the Company from time to time upon Company Request any money or Government Obligations (or other
property and any proceeds therefrom) held by it as provided in Section 15.04 which, in the opinion
of a nationally recognized firm of independent public accountants expressed in a written
certification thereof delivered to such Trustee, are in excess of the amount thereof which would
then be required to be deposited to effect an equivalent defeasance or covenant defeasance, as
applicable, in accordance with this Article.

Section 15.06 Reinstatement

     If a Trustee or any Paying Agent is unable to apply any money in accordance with Section 15.05
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 Indenture and
such Securities and any related coupons shall be revived and reinstated as though no deposit had
occurred pursuant to Section 15.02 or Section 15.03, as the case may

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be, until such time as such Trustee or Paying Agent is permitted to apply all such money in
accordance with Section 15.05; provided, however, that if the Company makes any
payment of principal of (or premium, if any) or interest, if any, on any such Security or any
related coupon following the reinstatement of its obligations, the Company shall be subrogated to
the rights of the Holders of such Securities and any related coupons to receive such payment from
the money held by such Trustee or Paying Agent.

ARTICLE SIXTEEN

MEETINGS OF HOLDERS OF SECURITIES

Section 16.01 Purposes for Which Meetings May Be Called

     If Securities of a series are issuable as Bearer Securities, a meeting of Holders of
Securities of such series may be called at any time and from time to time pursuant to this Article
to make, give or take any request, demand, authorization, direction, notice, consent, waiver or
other action provided by this Indenture to be made, given or taken by Holders of Securities of such
series.

Section 16.02 Call, Notice and Place of Meetings

	 	(1)	 	The Trustees may at any time call a meeting of Holders of Securities of any
series for any purpose specified in Section 16.01, to be held at such time and at such
place in The City of New York, in Toronto or in Vancouver as the Trustees shall
determine. Notice of every meeting of Holders of Securities of any series, setting
forth the time and the place of such meeting and in general terms the action proposed
to be taken at such meeting, shall be given, in the manner provided for in Section
1.06, not less than 21 nor more than 180 days prior to the date fixed for the meeting.
	 
	 	(2)	 	In case at any time the Company, pursuant to a Board Resolution, or the Holders
of at least 10% in principal amount of the outstanding Securities of any series shall
have requested the Trustees to call a meeting of the Holders of Securities of such
series for any purpose specified in Section 16.01, by written request setting forth in
reasonable detail the action proposed to be taken at the meeting, and the Trustees
shall not have made the first publication of the notice of such meeting within 21 days
after receipt of such request or shall not thereafter proceed to cause the meeting to
be held as provided herein, then the Company or the Holders of Securities of such
series in the amount above specified, as the case may be, may determine the time and
the place in The City of New York, in Toronto or in Vancouver for such meeting and may
call such meeting for such purposes by giving notice thereof as provided in paragraph
(1) of this Section.

Section 16.03 Persons Entitled to Vote at Meetings

     To be entitled to vote at any meeting of Holders of Securities of any series, a Person shall
be (1) a Holder of one or more Outstanding Securities of such series, or (2) a Person appointed by
an instrument in writing as proxy for a Holder or Holders of one or more Outstanding Securities of
such series by such Holder of Holders. The only Persons who shall be entitled to be

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present or to speak at any meeting of Holders of Securities of any series shall be the Persons
entitled to vote at such meeting and their counsel, any representatives of the Trustees and their
counsel and any representatives of the Company and its counsel.

Section 16.04 Quorum; Action

     The Persons entitled to vote a majority in principal amount of the Outstanding Securities of a
series shall constitute a quorum for a meeting of Holders of Securities of such series;
provided, however, that, if any action is to be taken at such meeting with respect
to a consent or waiver which this Indenture expressly provides may be given by the Holders of not
less than a specified percentage in principal amount of the outstanding Securities of a series, the
Persons entitled to vote such specified percentage in principal amount of the Outstanding
Securities of such series shall constitute a quorum. In the absence of a quorum within 30 minutes
of the time appointed for any such meeting, the meeting shall, if convened at the request of
Holders of Securities of such series, be dissolved. In any other case the meeting may be adjourned
for a period of not less than 10 days as determined by the chairman of the meeting prior to the
adjournment of such meeting. In the absence of a quorum at any such adjourned meeting, such
adjourned meeting may be further adjourned for a period of not less than 10 days as determined by
the chairman of the meeting prior to the adjournment of such adjourned meeting. Notice of the
reconvening of any adjourned meeting shall be given as provided in Section 16.02, except that such
notice need be given only once not less than five days prior to the date on which the meeting is
scheduled to be reconvened. Notice of the reconvening of any adjourned meeting shall state
expressly the percentage, as provided above, of the principal amount of the outstanding Securities
of such series which shall constitute a quorum.

     Subject to the foregoing, at the reconvening of any meeting adjourned for lack of a quorum the
Persons entitled to vote 25% in principal amount of the Outstanding Securities at the time shall
constitute a quorum for the taking of any action set forth in the notice of the original meeting.

     Except as limited by the proviso to Section 10.02, any resolution presented to a meeting or
adjourned meeting duly reconvened at which a quorum is present as aforesaid may be adopted by the
affirmative vote of the Holders of not less than a majority in principal amount of the outstanding
Securities of such series who have casted their votes; provided, however, that,
except as limited by the proviso to Section 10.02, any resolution with respect to any request,
demand, authorization, direction, notice, consent, waiver or other action which this Indenture
expressly provides may be made, given or taken by the Holders of a specified percentage, which is
less than a majority, in principal amount of the Outstanding Securities of a series may be adopted
at a meeting or an adjourned meeting duly reconvened and at which a quorum is present as aforesaid
by the affirmative vote of the Holders of not less than such specified percentage in principal
amount of the Outstanding Securities of such series.

     Any resolution passed or decision taken at any meeting of Holders of Securities of any series
duly held in accordance with this Section shall be binding on all the Holders of Securities of such
series and the related coupons, whether or not present or represented at the meeting.

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     Notwithstanding the foregoing provisions of this Section, if any action is to be taken at a
meeting of Holders of Securities of any series with respect to any request, demand, authorization,
direction, notice, consent, waiver or other action that this Indenture expressly provides may be
made, given or taken by the Holders of a specified percentage in principal amount of all
Outstanding Securities affected thereby, or of the Holders of such series and one or more
additional series:

	 	(i)	 	there shall be no minimum quorum requirement for such meeting; and
	 
	 	(ii)	 	the principal amount of the Outstanding Securities of such series that vote in
favor of such request, demand, authorization, direction, notice, consent, waiver or
other action shall be taken into account in determining whether such request, demand,
authorization, direction, notice, consent, waiver or other action has been made, given
or taken under this Indenture.

			
	Section 16.05	 	Determination of Voting Rights; Conduct and Adjournment of Meetings

	 	(1)	 	Notwithstanding any provisions of this Indenture, the Trustees may make such
reasonable regulations as the Trustees may deem advisable for any meeting of Holders of
Securities of a series in regard to proof of the holding of Securities of such series
and of the appointment of proxies and in regard to the appointment and duties of
inspectors of votes, the submission and examination of proxies, certificates and other
evidence of the right to vote, and such other matters concerning the conduct of the
meeting as the Trustees shall deem appropriate. Except as otherwise permitted or
required by any such regulations, the holding of Securities shall be proved in the
manner specified in Section 1.04 and the appointment of any proxyholder shall be proved
in the manner specified in Section 1.04 or by having the signature of the person
executing the proxy witnessed or guaranteed by any trust company, bank or banker
authorized by Section 1.04 to certify to the holding of Bearer Securities. Such
regulations may provide that written instruments appointing proxyholders, regular on
their face, may be presumed valid and genuine without the proof specified in Section
1.04 or other proof.
	 
	 	(2)	 	The Trustees shall, by an instrument in writing appoint a temporary chairman of
the meeting, unless the meeting shall have been called by the Company or by Holders of
Securities as provided in Section 16.02, in which case the Company or the Holders of
Securities of the series calling the meeting, as the case may be, shall in like manner
appoint a temporary chairman. A permanent chairman and a permanent secretary of the
meeting shall be elected by vote of the Persons entitled to vote a majority in
principal amount of the Outstanding Securities of such series represented at the
meeting.
	 
	 	(3)	 	At any meeting each Holder of a Security of such series or proxy shall be
entitled to one vote for each $1,000 principal amount of Outstanding Securities of such
series held or represented by him (determined as specified in the definition of

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	 	 	 	“Outstanding” in Section 1.01); provided, however, that no vote
shall be cast or counted at any meeting in respect of any Security challenged as not
Outstanding and ruled by the chairman of the meeting to be not Outstanding. The
chairman of the meeting shall have no right to vote, except as a Holder of a
Security of such series or a proxy.

	 	(4)	 	Any meeting of Holders of Securities of any series duly called pursuant to
Section 16.02 at which a quorum is present may be adjourned from time to time by
Persons entitled to vote a majority in principal amount of the Outstanding Securities
of such series represented at the meeting; and the meeting may be held as so adjourned
without further notice.

Section 16.06 Counting Votes and Recording Action of Meetings

     The vote upon any resolution submitted to any meeting of Holders of Securities of any series
shall be by written ballots on which shall be subscribed the signatures of the Holders of
Securities of such series or of their representatives by proxy and the principal amounts and serial
numbers, if any, of the Outstanding Securities of such series held or represented by them. The
permanent chairman of the meeting shall appoint two inspectors of votes who shall count all votes
cast at the meeting for or against any resolution and who shall make and file with the secretary of
the meeting their verified written reports in duplicate of all votes cast at the meeting. A
record, at least in duplicate, of the proceedings of each meeting of Holders of Securities of any
series shall be prepared by the secretary of the meeting and there shall be attached to said record
the original reports of the inspectors of votes on any vote by ballot taken thereat and affidavits
by one or more persons having knowledge of the facts setting forth a copy of the notice of the
meeting and showing that said notice was given as provided in Section 16.02 and, if applicable,
Section 16.04. Each copy shall be signed and verified by the affidavits of the permanent chairman
and secretary of the meeting and one such copy shall be delivered to the Company, and another to
the Trustees to be preserved by the Trustees, the latter to have attached thereto the ballots voted
at the meeting. Any record so signed and verified shall be conclusive evidence of the matters
therein stated.

Section 16.07 Waiver of Jury Trial

     Each of the Company and the Trustee hereby irrevocably waives, to the fullest extent permitted
by applicable law, any and all right to trial by jury in any legal proceeding arising out of or
relating to this Indenture, the Securities or the transactions contemplated hereby.

Section 16.08 Counterparts

     This Indenture may be executed in any number of counterparts (either by facsimile or by
original manual signature), each of which so executed shall be deemed to be an original, but all
such counterparts shall together constitute but one and the same Indenture.

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     IN WITNESS WHEREOF, the parties hereto have caused this Indenture to be duly executed, and
their respective corporate seals to be hereunto affixed and attested, all as of the day and year
first above written.

	 	 	 	 	 
	 	 	URANERZ ENERGY CORPORATION
	 
	 	 	 	 
	 

	 	By:	 	 
	 

	 	 	 	 
	 

	 	Name:	 	 
	 

	 	 	 	 
	 

	 	Title:	 	 
	 

	 	 	 	 
	 
	 	 	 	 
	 	 	COMPUTERSHARE TRUST COMPANY,
	 	 	N.A., as U.S. Trustee
	 
	 	 	 	 
	 

	 	By:	 	 
	 

	 	 	 	 
	 

	 	Name:	 	 
	 

	 	 	 	 
	 

	 	Title:	 	 
	 

	 	 	 	 
	 
	 	 	 	 
	 	 	COMPUTERSHARE TRUST COMPANY
	 	 	OF CANADA, as Canadian Trustee
	 
	 	 	 	 
	 

	 	By:	 	 
	 

	 	 	 	 
	 

	 	Name:	 	 
	 

	 	 	 	 
	 

	 	Title:
	 	Authorized Signing Officer
	 
	 	 	 	 
	 

	 	By:	 	 
	 

	 	 	 	 
	 

	 	Name:	 	 
	 

	 	 	 	 
	 

	 	Title:
	 	Authorized Signing Officer

 - 104 - 

 

EXHIBIT A

FORMS OF CERTIFICATION

A-1

 

EXHIBIT A-1

FORM OF CERTIFICATE TO BE GIVEN BY

PERSON ENTITLED TO RECEIVE BEARER SECURITY

OR TO OBTAIN INTEREST PAYABLE PRIOR

TO THE EXCHANGE DATE

CERTIFICATE

URANERZ ENERGY CORPORATION

                    % Notes due                                        

     This is to certify that as of the date hereof, and except as set forth below, the
above-captioned Securities held by you for our account (i) are owned by any person(s) that is not a
citizen or resident of the United States; a corporation or partnership (including any entity
treated as a corporation or partnership for United States Federal income tax purposes) created or
organized in or under the laws of the United States, any state thereof or the District of Columbia
unless, in the case of a partnership, Treasury Regulations provide otherwise; any estate whose
income is subject to United States Federal income tax regardless of its source or; a trust if (A) a
United States court can exercise primary supervision over the trust’s administration and one or
more United States persons are authorized to control all substantial decisions of the trust or (B)
it was in existence on August 20, 1996 and has a valid election in effect under applicable Treasury
Regulations to be treated as a United States person (“United States persons(s)”), (ii) are owned by
United States person(s) that are (a) foreign branches of United States financial institutions
(financial institutions, as defined in United States. Treasury Regulation Section
1.165-12(c)(1)(v) are herein referred to as “financial institutions”) purchasing for their own
account or for resale, or (b) United States person(s) who acquired the Securities through foreign
branches of United States financial institutions and who hold the Securities through such United
States financial institutions on the date hereof (and in either case (a) or (b), each such United
States financial institution hereby agrees, on its own behalf or through its agent, that you may
advise Uranerz Energy Corporation or its agent that such financial institution will comply with the
requirements of Section 165(j)(3)(A), (B) or (C) of the United States Internal Revenue Code of
1986, as amended, and the regulations thereunder), or (iii) are owned by United States or foreign
financial institution(s) for purposes of resale during the restricted period (as defined in United
States Treasury Regulation Section 1.163-5(c)(2)(i)(D)(7)), and, in addition, if the owner is a
United States or foreign financial institution described in clause (iii) above (whether or not also
described in clause (i) or (ii)), this is to further certify that such financial institution has
not acquired the Securities for purposes of resale directly or indirectly to a United States person
or to a person within the United States or its possessions.

     As used herein, “United States” means the United States of America (including the states and
the District of Columbia); and its “possessions” include Puerto Rico, the U.S. Virgin Islands,
Guam, American Samoa, Wake Island and the Northern Mariana Islands.

A-2

 

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

     This certificate excepts and does not relate to U.S. $___of such interest in the
above-captioned Securities in respect of which we are not able to certify and as to which we
understand an exchange for an interest in a permanent global security or an exchange for and
delivery of definitive Securities (or, if relevant, collection of any interest) cannot be made
until we do so certify.

     We understand that this certificate may be required in connection with certain tax legislation
in the United States. If administrative or legal proceedings are commenced or threatened in
connection with which this certificate is or would be relevant, we irrevocably authorize you to
produce this certificate or a copy thereof to any interested party in such proceedings.

Dated:                                        

[To be dated no earlier than

the 15th day prior to (i) the

Exchange Date or (ii) the

relevant Interest Payment Date

occurring prior to the Exchange

Date, applicable]

	 	 	 	 	 
	 	 	[Name of Person Making Certification]
	 
	 	 	 	 
	 

	 	By:	 	 
	 

	 	 	 	 
	 

	 	Name:	 	 
	 

	 	 	 	 
	 

	 	Title:	 	 
	 

	 	 	 	 

A-3

 

EXHIBIT A-2

FORM OF CERTIFICATE TO BE GIVEN BY THE DEPOSITARY

IN CONNECTION WITH THE EXCHANGE OF A PORTION OF A

TEMPORARY GLOBAL SECURITY OR TO OBTAIN INTEREST

PAYABLE PRIOR TO THE EXCHANGE DATE

URANERZ ENERGY CORPORATION

                    % Notes due                                         

     This is to certify that based solely on written certifications that we have receive in
writing, by electronic transmission from each of the persons appearing in our records as persons
entitled to a portion of the principal amount set forth below (our “Member Organizations”)
substantially in the form attached hereto, as of the date hereof, U.S. $                     principal amount
of the above-captioned Securities (i) is owned by any person(s) that is not a citizen or resident
of the United States; a corporation or partnership (including any entity treated as a corporation
or partnership for United States Federal income tax purposes) created or organized in or under the
laws of the United States, any state thereof or the District of Columbia unless, in the case of a
partnership, Treasury Regulations provide otherwise; any estate whose income is subject to United
States Federal income tax regardless of its source or; a trust if (A) a United States court can
exercise primary supervision over the trust’s administration and one or more United States persons
are authorized to control all substantial decisions of the trust or (B) it was in existence on
August 20, 1996 and has a valid election in effect under applicable Treasury Regulations to be
treated as a United States person (“United States person(s)”), (ii) is owned by United States
person(s) that are (a) foreign branches of United States financial institutions (financial
institutions, as defined in U.S. Treasury Regulation Section 1.165-12(c)(1)(v) are herein referred
to as “financial institutions”) purchasing for their own account or for resale, or (b) United
States person(s) who acquired the Securities through foreign branches of United States financial
institutions and who hold the Securities through such United States financial institutions on the
date hereof (and in either case (a) or (b), each such financial institution has agreed, on its own
behalf or through its agent, that we may advise Uranerz Energy Corporation or its agent that such
financial institution will comply with the requirements of Section 165(j)(3)(A), (B) or (C) of the
Internal Revenue Code of 1986, as amended, and the regulations thereunder), or (iii) is owned by
United States or foreign financial institution(s) for purposes of resale during the restricted
period (as defined in United States Treasury Regulation Section 1.163-5(c)(2)(i)(D)(7)) and, to the
further effect, that financial institutions described in clause (iii) above (whether or not also
described in clause (i) or (ii)) have certified that they have not acquired the Securities for
purposes of resale directly or indirectly to a United States person or to a person within the
United States or its possessions.

     As used herein, “United States” means the United States of America (including the states and
the District of Columbia); and its “possessions” include Puerto Rico, the U.S. Virgin Islands,
Guam, American Samoa, Wake Island and the Northern Mariana Islands.

A-4

 

     We further certify that (i) we are not making available herewith for exchange (or, if
relevant, collection of any interest) any portion of the temporary global Security representing the
above-captioned Securities excepted in the above-referenced certificates of member Organizations
and (ii) as of the date hereof we have not received any notification from any of our Member
organizations to the effect that the statements made by such Member organizations with respect to
any portion of the part submitted herewith for exchange (or, if relevant, collection of any
interest) are no longer true and cannot be relied upon as of the date hereof.

     We understand that this certification is required in connection with certain tax legislation
in the United States. If administrative or legal proceedings are commenced or threatened in
connection with which this certificate is or would be relevant, we irrevocably authorize you to
produce this certificate or a copy thereof to any interested party in such proceedings.

Dated:                                        

[To be dated no earlier than

the 15th day prior

to (i) the Exchange Date or

(ii) the relevant Interest

Payment Date occurring prior to

the Exchange Date, applicable]

	 	 	 	 	 
	 	 	[Insert name of Depositary]
	 
	 	 	 	 
	 

	 	By:	 	 
	 

	 	 	 	 
	 

	 	Name:	 	 
	 

	 	 	 	 
	 

	 	Title:	 	 
	 

	 	 	 	 

A-5

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