Document:

exv4w4

 

Exhibit 4.4

Pharmion Corporation

 

INDENTURE

Dated as of                      , 20___

Senior Debt Securities

 

U.S. Bank National Association,

Trustee

 

 

 

CROSS-REFERENCE TABLE*

	 	 	 
	Trust Indenture
Act Section	 	Indenture Section
	310(a)(1)
	 	7.10
	(a)(2)
	 	7.10
	(a)(3)
	 	N.A.
	(a)(4)
	 	N.A.
	(a)(5)
	 	7.10
	(b)
	 	7.10
	(c)
	 	N.A.
	311(a)
	 	7.11
	(b)
	 	7.11
	(c)
	 	N.A.
	312(a)
	 	2.06
	(b)
	 	11.03
	(c)
	 	11.03
	313(a)
	 	   2.06, 7.06     
	(b)(2)
	 	  7.06; 7.07  
	(c)
	 	  4.03, 7.06; 11.02 
	(d)
	 	7.06
	314(a)
	 	4.03
	(a)(4)
	 	11.05
	(c)(1)
	 	N.A.
	(c)(2)
	 	N.A.
	(c)(3)
	 	N.A.
	(e)
	 	12.05
	(f)
	 	N.A.
	315(a)
	 	2.03
	(b)
	 	2.03
	(c)
	 	2.03
	(d)
	 	2.03
	(e)
	 	N.A.
	316(a)(last sentence)
	 	N.A.
	(a)(1)(A)
	 	N.A.
	(a)(1)(B)
	 	N.A.
	(a)(2)
	 	N.A.
	(b)
	 	N.A.
	(c)
	 	11.16
	317(a)(1)
	 	N.A.
	(a)(2)
	 	N.A.
	(b)
	 	N.A.
	318(a)
	 	N.A.
	(b)
	 	N.A.
	(c)
	 	11.01

N.A. means not applicable.

* This Cross Reference Table is not part of this Indenture.

 

 

TABLE OF CONTENTS

	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	Page
	 	 	 	 	 	 	 
	ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE	 	 	1	 
	Section 1.01	 	Definitions
	 	 	1	 
	Section 1.02	 	Other Definitions
	 	 	8	 
	Section 1.03	 	Incorporation by Reference of Trust Indenture Act
	 	 	8	 
	Section 1.04	 	Rules of Construction
	 	 	8	 
	 	 	 	 	 
	 	 	 	 
	ARTICLE 2 THE SECURITIES	 	 	9	 
	Section 2.01	 	Form, Dating and Denominations
	 	 	9	 
	Section 2.02	 	Amount Unlimited; Issuable in Series
	 	 	10	 
	Section 2.03	 	Execution and Authentication
	 	 	13	 
	Section 2.04	 	Registrar and Paying Agent
	 	 	14	 
	Section 2.05	 	Paying Agent to Hold Money in Trust
	 	 	15	 
	Section 2.06	 	Holder Lists
	 	 	15	 
	Section 2.07	 	Transfer and Exchange
	 	 	15	 
	Section 2.08	 	Replacement Securities
	 	 	20	 
	Section 2.09	 	Outstanding Securities
	 	 	20	 
	Section 2.10	 	Treasury Securities
	 	 	21	 
	Section 2.11	 	Temporary Securities
	 	 	22	 
	Section 2.12	 	Cancellation
	 	 	22	 
	Section 2.13	 	Defaulted Interest
	 	 	22	 
	 	 	 	 	 
	 	 	 	 
	ARTICLE 3 REDEMPTION AND PREPAYMENT	 	 	23	 
	Section 3.01	 	Applicability of Article
	 	 	23	 
	Section 3.02	 	Notices to Trustee
	 	 	23	 
	Section 3.03	 	Selection of Securities to Be Redeemed
	 	 	23	 
	Section 3.04	 	Notice of Redemption
	 	 	24	 
	Section 3.05	 	Effect of Notice of Redemption
	 	 	25	 
	Section 3.06	 	Deposit of Redemption or Purchase Price
	 	 	25	 
	Section 3.07	 	Securities Redeemed or Purchased in Part
	 	 	26	 
	Section 3.08	 	Conversion Arrangement on Call for Redemption
	 	 	26	 
	 	 	 	 	 
	 	 	 	 
	ARTICLE 4 COVENANTS	 	 	27	 
	Section 4.01	 	Payment of Securities
	 	 	27	 
	Section 4.02	 	Maintenance of Office or Agency
	 	 	27	 
	Section 4.03	 	Reports
	 	 	28	 
	Section 4.04	 	Compliance Certificate
	 	 	28	 
	Section 4.05	 	Additional Amounts
	 	 	28	 
	Section 4.06	 	Corporate Existence
	 	 	29	 

 

 

	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	Page
	 	 	 	 	 	 	 
	ARTICLE 5 SUCCESSORS	 	 	29	 
	Section 5.01	 	Merger, Consolidation, or Sale of Assets
	 	 	29	 
	Section 5.02	 	Successor Substituted
	 	 	30	 
	 	 	 	 	 
	 	 	 	 
	ARTICLE 6 DEFAULTS AND REMEDIES	 	 	31	 
	Section 6.01	 	Events of Default
	 	 	31	 
	Section 6.02	 	Acceleration
	 	 	32	 
	Section 6.03	 	Other Remedies
	 	 	32	 
	Section 6.04	 	Waiver of Past Defaults
	 	 	33	 
	Section 6.05	 	Control by Majority
	 	 	33	 
	Section 6.06	 	Limitation on Suits
	 	 	33	 
	Section 6.07	 	Rights of Holders of Securities to Receive Payment
	 	 	34	 
	Section 6.08	 	Collection Suit by Trustee
	 	 	34	 
	Section 6.09	 	Trustee May File Proofs of Claim
	 	 	34	 
	Section 6.10	 	Priorities
	 	 	35	 
	Section 6.11	 	Undertaking for Costs
	 	 	35	 
	 	 	 	 	 
	 	 	 	 
	ARTICLE 7 TRUSTEE	 	 	36	 
	Section 7.01	 	Duties of Trustee
	 	 	36	 
	Section 7.02	 	Rights of Trustee
	 	 	37	 
	Section 7.03	 	Individual Rights of Trustee
	 	 	37	 
	Section 7.04	 	Trustee’s Disclaimer
	 	 	38	 
	Section 7.05	 	Notice of Defaults
	 	 	38	 
	Section 7.06	 	Reports by Trustee to Holders of the Securities
	 	 	38	 
	Section 7.07	 	Compensation and Indemnity
	 	 	38	 
	Section 7.08	 	Replacement of Trustee
	 	 	39	 
	Section 7.09	 	Successor Trustee by Merger, etc.
	 	 	41	 
	Section 7.10	 	Eligibility; Disqualification
	 	 	41	 
	Section 7.11	 	Preferential Collection of Claims Against the Company
	 	 	42	 
	 	 	 	 	 
	 	 	 	 
	ARTICLE 8 LEGAL DEFEASANCE AND COVENANT DEFEASANCE	 	 	42	 
	Section 8.01	 	Applicability of Article; Option to Effect Legal Defeasance or
Covenant Defeasance
	 	 	42	 
	Section 8.02	 	Legal Defeasance and Discharge
	 	 	42	 
	Section 8.03	 	Covenant Defeasance
	 	 	43	 
	Section 8.04	 	Conditions to Legal or Covenant Defeasance
	 	 	43	 
	Section 8.05	 	Deposited Money and Government Securities to be Held in Trust;
Other Miscellaneous Provisions
	 	 	45	 
	Section 8.06	 	Repayment to the Company
	 	 	45	 
	Section 8.07	 	Reinstatement
	 	 	46	 
	 	 	 	 	 
	 	 	 	 
	ARTICLE 9 AMENDMENT, SUPPLEMENT AND WAIVER	 	 	47	 
	Section 9.01	 	Without Consent of Holders of Securities
	 	 	47	 
	Section 9.02	 	With Consent of Holders of Securities
	 	 	48	 

 

 

	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	Page
	 	 	 	 	 	 	 
	Section 9.03	 	Compliance with Trust Indenture Act
	 	 	50	 
	Section 9.04	 	Revocation and Effect of Consents
	 	 	50	 
	Section 9.05	 	Notation on or Exchange of Securities
	 	 	50	 
	Section 9.06	 	Trustee to Sign Amendments, etc.
	 	 	50	 
	 	 	 	 	 
	 	 	 	 
	ARTICLE 10 SATISFACTION AND DISCHARGE	 	 	51	 
	Section 10.01	 	Satisfaction and Discharge
	 	 	51	 
	Section 10.02	 	Application of Trust Money
	 	 	52	 
	 	 	 	 	 
	 	 	 	 
	ARTICLE 11 MISCELLANEOUS	 	 	52	 
	Section 11.01	 	Trust Indenture Act Controls
	 	 	52	 
	Section 11.02	 	Notices
	 	 	52	 
	Section 11.03	 	Communication by Holders of Securities with Other Holders of Securities
	 	 	54	 
	Section 11.04	 	Certificate and Opinion as to Conditions Precedent
	 	 	54	 
	Section 11.05	 	Statements Required in Certificate or Opinion
	 	 	54	 
	Section 11.06	 	Rules by Trustee and Agents
	 	 	55	 
	Section 11.07	 	No Personal Liability of Directors, Officers, Employees and Stockholders
	 	 	55	 
	Section 11.08	 	Governing Law
	 	 	55	 
	Section 11.09	 	No Adverse Interpretation of Other Agreements
	 	 	55	 
	Section 11.10	 	Successors
	 	 	55	 
	Section 11.11	 	Severability
	 	 	55	 
	Section 11.12	 	Counterpart Originals
	 	 	55	 
	Section 11.13	 	Table of Contents, Headings, etc.
	 	 	56	 
	Section 11.14	 	Benefits of Indenture
	 	 	56	 
	Section 11.15	 	Legal Holidays
	 	 	56	 
	Section 11.16	 	Acts of Holders
	 	 	56	 

 

 

          INDENTURE, dated as of                     , 20___, between Pharmion Corporation, a Delaware corporation,
and U.S. Bank National Association, as trustee (the “Trustee”).

          The Company, as sole issuer, deems it necessary to issue from time to time for its lawful
purposes senior debt securities (the “Securities”) evidencing its unsecured and
unsubordinated indebtedness, and has duly authorized the execution and delivery of this Indenture
to provide for the issuance from time to time of the Securities, unlimited as to principal amount,
to bear interest at such rate or pursuant to such formula, to mature at such times and to have such
other provisions as shall be fixed as hereinafter provided.

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

ARTICLE 1

DEFINITIONS AND INCORPORATION BY REFERENCE

Section 1.01 Definitions.

          “Additional Amounts” means, when used with respect to a Security of a series issued with the
benefits provided by Section 4.05, as specified as contemplated by Section 2.02, all additional
interest then owing pursuant to said Section 4.05 and the Board Resolution or indenture
supplemental hereto under which such Security shall be issued.

          “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
purposes of this definition, “control,” as used with respect to any Person, means the possession,
directly or indirectly, of the power to direct or cause the direction of the management or policies
of such Person, whether through the ownership of voting securities, by agreement or otherwise. For
purposes of this definition, the terms “controlling,” “controlled by” and “under common control
with” have correlative meanings.

          “Agent” means any Registrar, co-registrar, Paying Agent or additional paying agent.

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

          “Authorized Newspaper” means a newspaper, printed in the English language or in an official
language of the country of publication, customarily published on each Business Day, whether or not
published on Saturdays, Sundays or holidays, and of general circulation in each place in connection
with which the term is used or in the financial community of each such place. Whenever successive
publications are required to be made in Authorized Newspapers, the successive publications may be
made in the same or in different Authorized Newspapers in the same city meeting the foregoing
requirements and in each case on any Business Day.

 

 

          “Bankruptcy Law” means Title 11, U.S. Code or any similar federal or state law for the relief
of debtors.

          “Board of Directors” means:

               (1) with respect to a corporation, the Board of Directors of the corporation;

               (2) with respect to a partnership, the Board of Directors of the general
partner of the partnership or the board or committee of the general partner of the
partnership serving a similar function; and

               (3) with respect to any other Person, the board or committee of such Person
serving a similar function.

          “Board Resolutions” means a copy of resolutions certified by the Secretary or an Assistant
Secretary of the Company to have been duly adopted by the Board of Directors of the Company and to
be in full force and effect on the date of such certification, and delivered to the Trustee.

          “Business Day” means, when used with respect to any Place of Payment or any other particular
location referred to in this Indenture or in the Securities, unless otherwise specified with
respect to any Securities as contemplated by Section 2.02, any day, other than a Saturday or
Sunday, that is neither a legal holiday nor a day on which banking institutions in that Place of
Payment or particular location are authorized or required by law, regulation or executive order to
close.

          “Capital Stock” means, with respect to any entity, any capital stock (including preferred
stock), shares, interests, participation or other ownership interests (however designated) of such
entity and any rights (other than debt securities convertible into or exchangeable for capital
stock), warrants or options to purchase any thereof; provided, however, that leases of real
property that provide for contingent rent based on the financial performance of the tenant shall
not be deemed to be Capital Stock.

          “Capitalized Lease Obligation” means, at the time any determination is to be made, the amount
of the liability in respect of a capital lease that would at that time be required to be
capitalized on a balance sheet in accordance with GAAP.

          “Clearstream” means Clearstream Banking, S.A., or its successor.

          “Commission” means the Securities and Exchange Commission.

          “Common Stock” means the common stock, par value $0.001 per share, of the Company.

          “Company” means, when used with respect to Securities of any series, Pharmion Corporation, a
Delaware corporation, and all respective successors thereto.

2

 

          “Corporate Trust Office of the Trustee” will be at the address of the Trustee specified in
Section 12.02 hereof or such other address as to which the Trustee may give notice to the Company.

          “Custodian” means the Trustee, as custodian with respect to the Securities in global form, or
any successor entity thereto.

          “Debt” of the Company or any of its Subsidiaries means, without duplication, any indebtedness
of the Company or any Subsidiary of the Company, whether or not contingent, in respect of:

               (1) borrowed money or evidenced by bonds, notes, debentures or similar
instruments;

               (2) indebtedness for borrowed money secured by any encumbrance existing on
property owned by the Company or its Subsidiaries, to the extent of the lesser of
(x) the amount of indebtedness so secured or (y) the Fair Market
Value of the property subject to such encumbrance;

               (3) the reimbursement obligations in connection with any letters of credit
actually drawn or amounts representing the balance deferred and unpaid of the
purchase price of any property or services, except any such balance that constitutes
an accrued expense, trade payable, conditional sale obligations or obligations under
any title retention agreement;

               (4) the principal amount of all obligations of the Company and its Subsidiaries
with respect to redemption, repayment or other repurchase of any Disqualified Stock;

               (5) any lease of property by the Company or any of its Subsidiaries as lessee
which is reflected on the Company’s or such Subsidiaries’ consolidated balance sheet
as a Capitalized Lease Obligation, to the extent, in the case of items of
indebtedness under clauses (1) through (5) above, that any such items would appear
as a liability on the Company’s or such Subsidiaries’ consolidated balance sheet in
accordance with GAAP; or

               (6) the liquidation preference of any Disqualified Stock of the Company or of
any shares of preferred stock of any of its Subsidiaries.

          Debt also includes, to the extent not otherwise included, any obligation by the Company and
its Subsidiaries to be liable for, or to pay, as obligor, guarantor or otherwise (other than for
purposes of collection in the ordinary course of business), Debt of another Person (other than the
Company or any of its Subsidiaries); it being understood that Debt shall be deemed to be incurred
by the Company or any of its Subsidiaries whenever the Company or such Subsidiary shall create,
assume, guarantee or otherwise become liable in respect thereof.

          Debt shall not include (a) Debt arising from agreements of the Company or any of its
Subsidiaries providing for indemnification, adjustment or holdback of purchase price or

3

 

similar obligations, in each case, incurred or assumed in connection with the acquisition or
disposition of any business, assets or a Subsidiary, other than guarantees of Debt incurred by any
Person acquiring all or any portion of such business, assets or Subsidiary for the purpose of
financing such acquisition or (b) contingent obligations under performance bonds,
performance guarantees, surety bonds, appeal bonds or similar obligations incurred in the ordinary
course of business and consistent with past practices. In the case of Debt as of any date issued
with original issue discount, the amount of such Debt shall be the accreted value thereof as of
such date.

          “Default” means any event that is, or with the passage of time or the giving of notice or both
would be, an Event of Default.

          “Definitive Security” means a certificated Security registered in the name of the Holder
thereof and issued in accordance with Section 2.07, substantially in the form established in one or
more indentures supplemental hereto or pursuant to Board Resolutions in accordance with Section
2.02 except that such Security shall not bear the Global Security Legend and shall not have any
related schedule of exchanges of interests in the global security attached thereto.

          “Depositary” means, with respect to the Securities issuable or issued in whole or in part in
global form, the Person specified in Section 2.04 hereof as the Depositary with respect to the
Securities, and any and all successors thereto appointed as depositary hereunder and having become
such pursuant to the applicable provision of this Indenture.

          “Disqualified Stock”, when used with respect to Securities of any series, shall have the
meaning given to such term in the Board Resolution or indenture supplemental hereto pursuant to
which the Securities of that series shall be issued.

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

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

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

          “Fair Market Value” means, with respect to any asset, the price (after taking into account any
liabilities relating to such assets) which could be negotiated in an arm’s-length free market
transaction between a willing seller and a willing buyer, neither of which is under pressure or
compulsion to complete the transaction. Fair Market Value shall be determined by the Board of
Directors of the Company in good faith.

          “Foreign Currency” means any currency, currency unit or composite currency issued by the
government of one or more countries other than the United States of America or by any recognized
confederation or association of such governments.

          “GAAP” means generally accepted accounting principles set forth in the opinions and
pronouncements of the Accounting Principles Board of the American Institute of Certified

4

 

Public Accountants and statements and pronouncements of the Financial Accounting Standards
Board or in such other statements by such other entity as have been approved by a significant
segment of the accounting profession, which are in effect on the date of determination.

          “Global Security” means a permanent global Security substantially in the form of established
by one or more indentures supplemental hereto or pursuant to Board Resolutions in accordance with
Section 2.02 that bears the Global Security Legend and that has a schedule of exchanges of
interests in the Global Security attached thereto, and that is deposited with or on behalf of and
registered in the name of the Depositary.

          “Global Security Legend” means the legend set forth in Section 2.07(f), which is required to
be placed on all Global Securities issued under this Indenture.

          “Government Obligations” means securities which are (1) direct obligations of the
United States of America or the government which issued the Foreign Currency in which the
Securities of a particular series are payable, for the payment of which its full faith and credit
is pledged or (2) obligations of a Person controlled or supervised by and acting as an
agency or instrumentality of the United States of America or such government which issued the
Foreign Currency in which the Securities of that series are payable, the payment of which is
unconditionally guaranteed as a full faith and credit obligation by the United States of America or
such other government, which, in either case, are not callable or redeemable at the option of the
issuer thereof, and shall also include a depository 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 depository 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 depository receipt from any amount
received by the custodian in respect of the Government Obligation or the specific payment of
interest on or principal of the Government Obligation evidenced by such depository receipt.

          “Guarantee” means a guarantee other than by endorsement of negotiable instruments for
collection in the ordinary course of business, direct or indirect, in any manner including, without
limitation, by way of a pledge of assets or through letters of credit or reimbursement agreements
in respect thereof, of all or any part of any Debt.

          “Holder” means a Person in whose name a Security is registered.

          “incur” means issue, create, assume, guarantee, incur or otherwise become liable for. Neither
the accrual of interest nor the accretion of original issue discount shall be deemed to be an
incurrence of Debt. The term “incurrence” when used as a noun shall have a correlative meaning.

          “Indenture” means this Indenture, as amended or supplemented from time to time 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 2.02;
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

5

 

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 or
those particular series of Securities for which such Person is Trustee established as contemplated
by Section 2.02, exclusive, however, of any provisions or terms which relate solely to other series
of Securities for which such Person is 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 maturity may be more or less than the principal face amount thereof at original
issuance.

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

          “interest” means, when used with respect to an Original Issue Discount Security which by its
terms bears interest only after maturity, interest payable after maturity, and, when used with
respect to a Security which provides for the payment of Additional Amounts, includes such
Additional Amounts.

          “Interest Payment Date” has the meaning set forth in the Securities.

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

          “Officer” means, with respect to any Person, the Chairman of the Board, the Chief Executive
Officer, the President, the Chief Operating Officer, the Chief Financial Officer, the Chief
Investment Officer, the Treasurer, any Assistant Treasurer, the Controller, the Secretary or any
Vice-President of such Person.

          “Officers’ Certificate” means a certificate signed on behalf of the Company by two Officers of
the Company, one of whom must be the principal executive officer, the principal financial officer,
the principal investment officer, the treasurer or the principal accounting officer of the Company,
that meets the requirements of Section 2.03, 8.04 or 12.05, as applicable.

          “Opinion of Counsel” means an opinion from legal counsel who is reasonably acceptable to the
Trustee, that meets the requirements of Section 2.03, 8.04 or 12.05, as applicable. The counsel
may be an employee of or counsel to the Company, any Subsidiary of the Company or the Trustee.

6

 

          “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.

          “Outstanding”, when used with respect to Securities of a series, shall have the meaning
ascribed thereto in Section 2.09.

          “Participant” means, with respect to the Depositary, Euroclear or Clearstream, a Person who
has an account with the Depositary, Euroclear or Clearstream, respectively (and, with respect to
DTC, shall include Euroclear and Clearstream).

          “Person” means any individual, corporation, partnership, joint venture, real estate investment
trust, association, joint-stock company, trust, unincorporated organization, limited liability
company or government or other entity.

          “Place of Payment” means, when used with respect to the Securities of or within any series,
the place or places where the principal of (and premium, if any) and interest on such Securities
are payable as specified as contemplated by Section 2.02.

          “Record Date” has the meaning set forth in the Securities.

          “Responsible Officer,” when used with respect to the Trustee, means any officer within the
Corporate Trust Administration of the Trustee (or any successor group of the Trustee) or any other
officer of the 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 Act” means the Securities Act of 1933, as amended.

          “Security” has the meaning stated in the preamble to this Indenture and, more particularly,
means any Security or 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 this Indenture as to which such Person is Trustee shall have the
meaning stated in the preamble to 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.

          “Significant Subsidiary” means any Subsidiary that would be a “significant subsidiary” as
defined in Article 1, Rule 1-02(w) of Regulation S-X, promulgated pursuant to the Securities Act,
as such Regulation is in effect on the date of this Indenture.

          “Subsidiary” means, for any Person, any corporation or other entity of which a majority of the
Voting Stock is owned, directly or indirectly, by such Person or one or more other Subsidiaries of
such Person.

          “TIA” means the Trust Indenture Act of 1939 (15 U.S.C. §§ 77aaa-77bbbb), as amended, as in
effect on the date on which this Indenture is qualified under the TIA.

7

 

\

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

          “Voting Stock” of any Person as of any date means the Capital Stock of such Person that is at
the time entitled to vote in the election of the Board of Directors of such Person.

Section 1.02 Other Definitions.

	 	 	 	 	 
	 	 	Defined in
	Term	 	Section
	“Authentication Order”
	 	 	2.03	 
	“Covenant Defeasance”
	 	 	8.03	 
	“DTC”
	 	 	2.04	 
	“Event of Default”
	 	 	6.01	 
	“Legal Defeasance”
	 	 	8.02	 
	“Paying Agent”
	 	 	2.04	 
	“Registrar”
	 	 	2.04	 

Section 1.03 Incorporation by Reference of Trust Indenture Act.

          Whenever this Indenture refers to a provision of the TIA, the provision is incorporated by
reference in and made a part of this Indenture.

          The following TIA terms used in this Indenture have the following meanings:

          “indenture securities” means the Securities;

          “indenture security holder” means a Holder of a Security;

          “indenture to be qualified” means this Indenture;

          “indenture trustee” or “institutional trustee” means the Trustee; and

          “obligor” on the Securities means the Company and any successor obligor upon the Securities.

          All other terms used in this Indenture that are defined by the TIA, defined by TIA reference
to another statute or defined by Commission rule under the TIA have the meanings so assigned to
them.

Section 1.04 Rules of Construction.

          Unless the context otherwise requires:

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

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

          (3) “or” is not exclusive;

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

          (5) “will” shall be interpreted to express a command;

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

          (7) references to sections of or rules under the Securities Act will be deemed to
include substitute, replacement of successor sections or rules adopted by the Commission
from time to time.

ARTICLE 2

THE SECURITIES

Section 2.01 Form, Dating and Denominations.

          (a) General. The Securities of each series will be substantially in such forms as shall be
established in one or more indentures supplemental hereto or approved from time to time by or
pursuant to Board Resolutions in accordance with Section 2.02, shall have such appropriate
insertions, omissions, substitutions and other variations as are required or permitted by this
Indenture or any indenture supplemental hereto, and may have such letters, numbers or other marks
of identification or designation and such legends or endorsements placed thereon as the Company may
deem appropriate and as are not inconsistent with the provisions of this Indenture, or as may be
required to comply with any law or with any rule or regulation made pursuant thereto or with any
rule or regulation of any stock exchange on which the Securities may be listed, or to conform to
usage. Each Security will be dated the date of its authentication. Except as specified as
contemplated by Section 2.02 in respect of Securities of any series, the Securities shall be in
denominations of $1,000 and integral multiples thereof.

          The terms and provisions contained in the Securities will constitute, and are hereby expressly
made, a part of this Indenture and the Company and the Trustee, by their execution and delivery of
this Indenture, expressly agree to such terms and provisions and to be bound thereby. However, to
the extent any provision of any Security conflicts with the express provisions of this Indenture,
the provisions of this Indenture shall govern and be controlling.

     (b) Form of Trustee’s Certificate of Authentication. Subject to Section 2.03, the Trustee’s
certificate of authentication shall be in substantially the following form:

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               This is one of the Securities of the series
designated therein referred to in the within-mentioned Indenture.

U.S. BANK NATIONAL ASSOCIATION,

as Trustee

By:                                                            

     Authorized Signatory

     (c) Global Securities. If Securities of or within a series are issued in global form, as
specified as contemplated by Section 2.02, then, notwithstanding the provisions of paragraph (a) of
this Section 2.01 and clause (9) of Section 2.02, any such Security shall represent such of the
Outstanding Securities of that series as shall be specified therein and shall include the Global
Securities Legend and a related schedule of exchanges of interests in the Global Securities
attached thereto. Securities issued in definitive form will not include such legend or schedule.
Each Global Security may provide that it shall represent the Outstanding Securities as will be
specified therein and each shall provide that it represents the aggregate principal amount of
Outstanding Securities from time to time endorsed thereon and that the aggregate principal amount
of Outstanding Securities represented thereby may from time to time be reduced or increased, as
appropriate, to reflect exchanges and redemptions. Any endorsement of a Global Security to reflect
the amount of any increase or decrease in the aggregate principal amount of Outstanding Securities
represented thereby will be made by the Trustee or the Custodian, at the direction of the Trustee,
in accordance with instructions given by the Holder thereof as required by Section 2.07 hereof.

Section 2.02 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. 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 2.03, set forth, 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), (3) and (14) below), if so provided, may be determined from time to time
by the Company with respect to unissued Securities of the series when issued from time to time):

          (1) the identity of the issuer;

          (2) the title of the Securities of the series (which shall distinguish the Securities
of that series from all other series of Securities);

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          (3) any limit upon 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 in lieu of, other
Securities of the series pursuant to Section 2.07, 2.08, 2.11, 3.07 or 9.05);

          (4) 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 shall be payable;

          (5) the rate or rates at which the Securities of the series shall bear interest, 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 will be payable, and the basis
upon which interest shall be calculated if other than that of a 360-day year of twelve
30-day months;

          (6) 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), interest, if any, on,
and Additional Amounts, if any, payable in respect of, Securities of the series shall be
payable, Securities of the series may be surrendered for registration of transfer,
Securities of the series may be surrendered for exchange or conversion and notices or
demands to or upon the Company in respect of the Securities of the series and this Indenture
may be served;

          (7) the period or periods within which, the price or prices at 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 the option;

          (8) 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 or the date or dates on which, the price or
prices at which, and other terms and conditions upon which Securities of the series shall be
redeemed, repaid or purchased, in whole or in part, pursuant to such obligation;

          (9) if other than denominations of $1,000 and any integral multiple thereof, the
denominations in which any Securities of the series shall be issuable;

          (10) the identity of the Trustee, if other than U.S. Bank National Association, and
the identity of each Registrar and/or Paying Agent, if other than the Trustee;

          (11) 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, if applicable, the portion of the principal
amount of Securities of the series that is convertible in accordance with the provisions of
this Indenture or the method by which such portion shall be determined;

11

 

          (12) whether the amount of payments of principal of (and 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, currency units, composite currencies, commodities, equity indices or
other indices), and the manner in which such amounts shall be determined;

          (13) provisions, if any, granting special rights to the Holders of Securities of the
series upon the occurrence of such events as may be specified;

          (14) any deletions from, modifications of or additions to the Events of Default or
covenants 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;

          (15) whether any Securities of the series are to be issuable initially in temporary
global form and the date as of which 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, and whether any Securities of the series are to
be issuable in permanent global form and, if so, whether owners of beneficial interests in
any such permanent global Security may exchange such interests for Definitive Securities of
that series of like tenor of any authorized form and denomination or transfer such
beneficial interest to a Person who takes delivery thereof in the form of a Definitive
Security and vice versa and if so, the circumstances under which any such exchange or
transfer may occur, if other than in the manner provided in Section 2.07 and the identity of
the Depositary;

          (16) the Person to whom any interest on any 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 Record Date for such interest 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;

          (17) the applicability, if any, of Sections 8.02 and/or 8.03 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 8;

          (18) if the Securities of that series are to be issuable in definitive form (whether
upon original issue or upon exchange of a temporary Security of that series) only upon
receipt of certain certificates or other documents or satisfaction of other conditions, then
the form and/or terms of such certificates, documents or conditions;

          (19) if the Securities of the series are to be issued upon the exercise of warrants,
the time, manner and place for such Securities to be authenticated and delivered;

          (20) whether and under what circumstances the Company will pay Additional Amounts as
contemplated by Section 4.05 on the Securities of the series to any Holder

12

 

who 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);

          (21) the obligation, if any, of the Company to permit the conversion of the Securities
of that series into Capital Stock of the Company, and the terms and conditions upon which
such conversion shall be effected (including, without limitation, the initial conversion
price or rate, the conversion period, any adjustment of the applicable conversion price, any
requirements relative to hedging arrangements and reservation of shares for purposes of
conversion and any other provision in addition to or in lieu of those set forth in this
Indenture or any indenture supplemental hereto relative to such obligation);

          (22) if other than U.S. Dollars, the foreign currency in which payment of the principal
of, premium (if any), interest and Additional Amounts (if any) on the Securities of that
series shall be payable or in which such Securities shall be denominated and the particular
provisions applicable thereto; and

          (23) any other terms of the series (which terms shall not be inconsistent with the
provisions of this Indenture).

          All Securities of any one series shall be substantially identical except as to denomination
and except as may otherwise be provided in or pursuant to such Board Resolution (subject to Section
2.03) and set forth in such Officers’ Certificate or in any such indenture supplemental hereto.
All Securities of any one series need not be issued at the same time and, unless otherwise
provided, a series may be reopened, without the consent of the Holders, for issuances of additional
Securities of that series.

          If any of the terms of the Securities of any series are established by action taken pursuant
to one or more Board Resolutions, a copy of an appropriate record of such action(s) shall be
certified by the Secretary or an Assistant Secretary of the Company and delivered to the Trustee at
or prior to the delivery of the Officers’ Certificate setting forth the terms of the Securities of
that series.

Section 2.03 Execution and Authentication.

          Two Officers must sign the Securities of any series for the Company by manual or facsimile
signature.

          If an Officer whose signature is on a Security no longer holds that office at the time a
Security is authenticated, the Security will nevertheless be valid.

          A Security will not be valid until authenticated by the manual signature of the Trustee. The
signature will be conclusive evidence that the Security has been authenticated under this
Indenture.

13

 

          The Trustee will, upon receipt at any time or from time to time of a written order of the
Company signed by two Officers (an “Authentication Order”), authenticate Securities of any
series for original issue up to the aggregate principal amount set forth in such Authentication
Order. The Trustee may appoint an authenticating agent acceptable to the Company to authenticate
Securities. An authenticating agent may authenticate Securities whenever the Trustee may do so.
Each reference in this Indenture to authentication by the Trustee includes authentication by such
agent. An authenticating agent has the same rights as an Agent to deal with Holders or an
Affiliate of the Company.

          In authenticating Securities of any series, and accepting the additional responsibilities
under this Indenture in relation to such Securities, the Trustee shall be entitled to receive, and
(subject to TIA §§ 315(a) through 315(d)) shall be fully protected in relying upon,

          (1) an Opinion of Counsel stating that:

          (i) the form or forms of such Securities have been established in conformity with the
provisions of this Indenture;

          (ii) the terms of such Securities have been established in conformity with the
provisions of this Indenture; and

          (iii) such Securities, when completed by appropriate insertions and executed and
delivered by the Company to the Trustee for authentication in accordance with this
Indenture, authenticated and delivered by the Trustee 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 legal, valid and binding obligation 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, 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

          (2) an Officers’ Certificate stating that all conditions precedent provided for in this
Indenture relating to the issuance of the Securities have been complied with and that, to
the best of the knowledge of the signers of such Certificate, no Event of Default with
respect to any of the Securities shall have occurred and be continuing.

Section 2.04 Registrar and Paying Agent.

          The Company will maintain in each Place of Payment for Securities of any series an office or
agency where such Securities may be presented for registration of transfer or for exchange
(“Registrar”) and an office or agency where such Securities may be presented for payment
(“Paying Agent”). The Registrar will keep a register of the Securities of that series and
of their transfer and exchange. The Company may appoint one or more co-registrars and one or more
additional paying agents. The term “Registrar” includes any co-registrar and the term “Paying
Agent” includes any additional paying agent. The Company may change any Paying Agent or Registrar
without notice to any Holder. The Company will notify the Trustee in writing of the name and
address of any Agent not a party to this Indenture. If the Company
fail to

14

 

appoint or maintain another entity as Registrar or Paying Agent, the Trustee shall act as
such. The Company or any of its Subsidiaries may act as Paying Agent or Registrar.

          The Company initially appoint The Depository Trust Company (“DTC”) to act as
Depositary with respect to the Global Securities.

          The Company initially appoint the Trustee to act as the Registrar and Paying Agent and to act
as Custodian with respect to the Global Securities.

Section 2.05 Paying Agent to Hold Money in Trust.

          The Company will require each Paying Agent for Securities of a series other than the Trustee
to agree in writing that the Paying Agent will hold in trust for the benefit of Holders or the
Trustee all money held by the Paying Agent for the payment of principal, premium or Additional
Amounts, if any, or interest on the Securities of that series, and will notify the Trustee of any
default by the Company in making any such payment. While any such default continues, the Trustee
may require a Paying Agent to pay all money held by it to the Trustee. The Company at any time may
require a Paying Agent to pay all money held by it to the Trustee. Upon payment over to the
Trustee, the Paying Agent (if other than the Company or a Subsidiary of the Company) will have no
further liability for the money. If the Company or a Subsidiary of the Company acts as Paying
Agent, it will segregate and hold in a separate trust fund for the benefit of the Holders all money
held by it as Paying Agent. Upon any bankruptcy or reorganization proceedings relating to the
Company, the Trustee will serve as Paying Agent for the Securities.

Section 2.06 Holder Lists.

          The Trustee in respect of Securities of a series will preserve in as current a form as is
reasonably practicable the most recent list available to it of the names and addresses of all
Holders of Securities of that series and shall otherwise comply with TIA § 312(a). If the Trustee
is not the Registrar of such Securities, the Company will furnish to the Trustee at least seven
Business Days before each Interest Payment Date and at such other times as the Trustee may request
in writing, a list in such form and as of such date as the Trustee may reasonably require of the
names and addresses of the Holders of such Securities and the Company shall otherwise comply with
TIA § 312(a).

Section 2.07 Transfer and Exchange.

     (a) Transfer and Exchange of Global Securities. A Global Security may not be transferred as a
whole except by the Depositary to a nominee of the Depositary, by a nominee of the Depositary to
the Depositary or to another nominee of the Depositary, or by the Depositary or any such nominee to
a successor Depositary or a nominee of such successor Depositary. All Global Securities will be
exchanged by the Company for Definitive Securities if:

          (1) the Company delivers to the Trustee notice from the Depositary that it is unwilling
or unable to continue to act as Depositary or that it is no longer a clearing agency
registered under the Exchange Act and, in either case, a successor Depositary is

15

 

not appointed by the Company within 120 days after the date of such notice from the
Depositary; or

          (2) the Company in its sole discretion determines that the Global Securities (in whole
but not in part) should be exchanged for Definitive Securities and delivers a written notice
to such effect to the Trustee.

          Upon the occurrence of either of the preceding events in subparagraph (1) or (2) above,
Definitive Securities shall be issued in such names as the Depositary shall instruct the Trustee.
Global Securities also may be exchanged or replaced, in whole or in part, as provided in Sections
2.08 and 2.11. Every Security authenticated and delivered in exchange for, or in lieu of, a Global
Security or any portion thereof, pursuant to this Section 2.07 or Section 2.08 or 2.11 hereof,
shall be authenticated and delivered in the form of, and shall be, a Global Security. A Global
Security may not be exchanged for another Security other than as provided in this Section 2.07(a),
however, beneficial interests in a Global Security may be transferred and exchanged as provided in
Section 2.07(b) or (c).

     (b) Transfer and Exchange of Beneficial Interests in the Global Securities. The transfer and
exchange of beneficial interests in the Global Securities will be effected through the Depositary,
in accordance with the provisions of this Indenture and the Applicable Procedures. Transfers of
beneficial interests in the Global Securities also will require compliance with either subparagraph
(1) or (2) below, as applicable, as well as one or more of the other following paragraphs, as
applicable:

          (1) Transfer of Beneficial Interests in the Same Global Security. Beneficial interests
in any Global Security may be transferred to Persons who take delivery thereof in the form
of a beneficial interest in the same Global Security. No written orders or instructions
shall be required to be delivered to the Registrar to effect the transfers described in this
Section 2.07(b)(1).

          (2) All Other Transfers and Exchanges of Beneficial Interests in Global Securities. In
connection with all transfers and exchanges of beneficial interests that are not subject to
Section 2.07(b)(1) above, the transferor of such beneficial interest must deliver to the
Registrar either:

               (i) both:

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

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

               (ii) both:

16

 

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

                    (B) instructions given by the Depositary to the Registrar containing
information regarding the Person in whose name such Definitive Security
shall be registered to effect the transfer or exchange referred to in (A)
above. Upon satisfaction of all of the requirements for transfer or
exchange of beneficial interests in Global Securities contained in this
Indenture and the Securities or otherwise applicable under the Securities
Act, the Trustee shall adjust the principal amount of the relevant Global
Security(s) pursuant to Section 2.07(g).

     (c) Transfer or Exchange of Beneficial Interests for Definitive Securities. If any holder of
a beneficial interest in a Global Security is entitled to exchange such beneficial interest for a
Definitive Security or to transfer such beneficial interest to a Person who takes delivery thereof
in the form of a Definitive Security of the same series and of like tenor and principal amount of
authorized form and denomination, as specified as contemplated by Section 2.02(15), then, upon
satisfaction of the conditions set forth in Section 2.07(b)(2), the Trustee will cause the
aggregate principal amount of the applicable Global Security to be reduced accordingly pursuant to
Section 2.07(g), and the Company will execute and the Trustee will authenticate and deliver to the
Person designated in the instructions a Definitive Security in the appropriate principal amount.
Any Definitive Security issued in exchange for a beneficial interest pursuant to this Section
2.07(c) will be registered in such name or names and in such authorized denomination or
denominations as the holder of such beneficial interest requests through instructions to the
Registrar from or through the Depositary and the Participant or Indirect Participant. The Trustee
will deliver such Definitive Securities to the Persons in whose names such Securities are so
registered.

     (d) Transfer and Exchange of Definitive Securities for Beneficial Interests. If at any time a
Holder of a Definitive Security is entitled to exchange such Security for a beneficial interest in
a Global Security or transfer such Definitive Security to a Person who takes delivery thereof in
the form of a beneficial interest in a Global Security of the same series and of like tenor and
principal amount of authorized form and denomination, as specified as contemplated by Section
2.02(15), then, upon receipt of a request for such an exchange or transfer, the Trustee will cancel
the applicable Definitive Security and increase or cause to be increased the aggregate principal
amount of one of the appropriate Global Securities. If any such exchange or transfer from a
Definitive Security to a beneficial interest is effected pursuant to this paragraph (d) at a time
when a Global Security has not yet been issued, the Company will issue and, upon receipt of an
Authentication Order in accordance with Section 2.03 hereof, the Trustee will authenticate one or
more Global Securities in an aggregate principal amount equal to the principal amount of the
Definitive Security proposed to be so exchanged or transferred.

     (e) Transfer and Exchange of Definitive Securities for Definitive Securities. Upon request by
a Holder of Definitive Securities and such Holder’s compliance with the provisions of this Section
2.07(e), the Registrar will register the transfer of such Holder’s Definitive Securities

17

 

to a Person who takes delivery thereof in the form of one or more Definitive Securities of the
same series, of any authorized denominations and of like aggregate principal amount or the exchange
of such Holder’s Definitive Securities for Definitive Securities of the same series, of any
authorized denominations and of like aggregate principal amount. Prior to such registration of
transfer or exchange, the requesting Holder must present or surrender to the Registrar the
Definitive Securities duly endorsed or accompanied by a written instrument of transfer in form
satisfactory to the Registrar duly executed by such Holder or by its attorney, duly authorized in
writing. A Holder of Definitive Securities may transfer such Securities. Upon receipt of a
request to register such a transfer, the Registrar shall register the Definitive Securities
pursuant to the instructions from the Holder thereof.

     (f) Global Security Legend. The following legend will appear on the face of all Global
Securities issued under this Indenture unless specifically stated otherwise in the applicable
provisions of one or more indentures supplemental hereto or approved from time to time by or
pursuant to Board Resolutions in accordance with Section 2.02 of this Indenture:

“THIS GLOBAL SECURITY IS HELD BY THE DEPOSITARY (AS DEFINED IN THE INDENTURE GOVERNING THIS
SECURITY) OR ITS NOMINEE IN CUSTODY FOR THE BENEFIT OF THE BENEFICIAL OWNERS HEREOF, AND IS NOT
TRANSFERABLE TO ANY PERSON UNDER ANY CIRCUMSTANCES EXCEPT THAT (1) THE TRUSTEE MAY MAKE
SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 2.07 OF THE INDENTURE, (2)
THIS GLOBAL SECURITY MAY BE EXCHANGED IN WHOLE BUT NOT IN PART PURSUANT TO SECTION 2.07(a) OF THE
INDENTURE, (3) THIS GLOBAL SECURITY MAY BE DELIVERED TO THE TRUSTEE FOR CANCELLATION
PURSUANT TO SECTION 2.12 OF THE INDENTURE AND (4) THIS GLOBAL SECURITY MAY BE TRANSFERRED
TO A SUCCESSOR DEPOSITARY WITH THE PRIOR WRITTEN CONSENT OF THE COMPANY.

UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR SECURITIES IN DEFINITIVE FORM, THIS
SECURITY MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY
OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE
DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITARY.
UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST
COMPANY (55 WATER STREET, NEW YORK, NEW YORK) (“DTC”), TO THE COMPANY OR ITS AGENT FOR
REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME
OF CEDE & CO. OR SUCH OTHER NAME AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND
ANY PAYMENT IS MADE TO CEDE & CO. OR SUCH OTHER ENTITY AS MAY BE REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO
ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST
HEREIN.”

18

 

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

     (h) General Provisions Relating to Transfers and Exchanges.

     (1) To permit registrations of transfers and exchanges, the Company will execute and
the Trustee will authenticate Global Securities and Definitive Securities upon receipt of an
Authentication Order in accordance with Section 2.03 or at the Registrar’s request.

     (2) No service charge will be made to a Holder of a Global Security or to a Holder of a
Definitive Security for any registration of transfer or exchange, but the Company may
require payment of a sum sufficient to cover any transfer tax or similar governmental charge
payable in connection therewith (other than any such transfer taxes or similar governmental
charge payable upon exchange or transfer pursuant to Sections 2.11, 3.07, and 9.05 hereof).
The Registrar will not be required to register the transfer of or exchange any Security
selected for redemption in whole or in part, except the unredeemed portion of any Security
being redeemed in part.

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

     (4) The Company will not be required:

     (i) to issue, to register the transfer of or to exchange any Securities during
a period beginning at the opening of business 15 days before the day of any
selection of Securities for redemption under Section 3.03 hereof and ending at the
close of business on the day of selection;

     (ii) to register the transfer of or to exchange any Security selected for
redemption in whole or in part, except the unredeemed portion of any Security being
redeemed in part;

19

 

     (iii) to register the transfer of or to exchange a Security between a Record
Date and the next succeeding Interest Payment Date; or

     (iv) to register the transfer of any Security which has been surrendered for
repayment at option of Holder, except the portion, if any, of such Security not to
be so repaid.

     (5) Prior to due presentment for the registration of a transfer of any Security, the
Trustee, any Agent and the Company may deem and treat the Person in whose name any Security
is registered as the absolute owner of such Security for the purpose of receiving payment of
principal of and interest on such Securities and for all other purposes, and none of the
Trustee, any Agent or the Company shall be affected by notice to the contrary.

     (6) The Trustee will authenticate Global Securities and Definitive Securities in
accordance with the provisions of Section 2.03 hereof.

     (7) All orders and instructions required to be submitted to the Registrar or the
Company pursuant to this Section 2.07 to effect a registration of transfer or exchange may
be submitted by facsimile.

Section 2.08 Replacement Securities.

          If any mutilated Security is surrendered to the Trustee or the Company or the Trustee receives
evidence to its satisfaction of the destruction, loss or theft of any Security, the Company will
issue and the Trustee, upon receipt of an Authentication Order, will authenticate a replacement
Security if the Trustee’s requirements are met. If required by the Trustee or the Company, an
indemnity bond must be supplied by the Holder that is sufficient in the judgment of the Trustee and
the Company to protect the Company, the Trustee, any Agent and any authenticating agent from any
loss that any of them may suffer if a Security is replaced. The Company may charge for its
expenses in replacing a Security.

          Every replacement Security is an additional obligation of the Company and will be entitled to
all of the benefits of this Indenture equally and proportionately with all other Securities duly
issued hereunder.

          Notwithstanding the provisions of the previous two paragraphs, in case any such mutilated,
destroyed, lost or stolen Security has become or is about to become due and payable, the Company in
its discretion may, instead of issuing a new Security, pay such Security.

Section 2.09 Outstanding Securities.

          The Securities “Outstanding” at any time are all the Securities authenticated by the Trustee
except for:

          (1) Securities theretofore cancelled by the Trustee or delivered to the Trustee for
cancellation;

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          (2) 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
the 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, 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 Trustee has been made;

          (3) Securities, except to the extent provided in Sections 8.02 and 8.03, with respect
to which the Company has effected defeasance and/or covenant defeasance as provided in
Article 8;

          (4) Securities which have been paid pursuant to Section 4.01 or 10.01 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 Trustee proof satisfactory to it that such Securities are held by a bona
fide purchaser in whose hands such Securities are valid obligations of the Company; and

          (5) Securities converted into Capital Stock of the Company in accordance with or as
contemplated by this Indenture, if the terms of such Securities provide for convertibility
as contemplated by Section 2.02;

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, and for the purpose of making the calculations required by TIA § 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 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 as contemplated by Section 2.02,
and (iii) 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 to the extent provided in Section 2.10.

Section 2.10 Treasury Securities.

          In determining whether the Holders of the requisite principal amount of Outstanding Securities
have given any request, demand, authorization, direction, notice, waiver or consent, and for the
purpose of making the calculations required by TIA § 313, 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 Trustee shall
be protected in making such calculation or in relying upon any such request, demand, authorization,
direction, notice, consent or waiver, only Securities

21

 

which the Trustee knows 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 Trustee 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 of such other obligor.

Section 2.11 Temporary Securities.

          Until certificates representing Securities are ready for delivery, the Company may prepare and
the Trustee, upon receipt of an Authentication Order, will authenticate temporary Securities.
Temporary Securities will be substantially in the form of certificated Securities but may have
variations that the Company consider appropriate for temporary Securities and as may be reasonably
acceptable to the Trustee. Without unreasonable delay, the Company will prepare and the Trustee
will authenticate definitive Securities in exchange for temporary Securities.

          Holders of temporary Securities will be entitled to all of the benefits of this Indenture.

Section 2.12 Cancellation.

          The Company at any time may deliver Securities to the Trustee for cancellation. The Registrar
and Paying Agent will forward to the Trustee any Securities surrendered to them for registration of
transfer, exchange or payment. The Trustee and no one else will cancel all Securities surrendered
for registration of transfer, exchange, payment, replacement or cancellation and will dispose of
canceled Securities (subject to the record retention requirement of the Exchange Act). The Company
may not issue new Securities to replace Securities that they have paid or that have been delivered
to the Trustee for cancellation, except for replacement Securities for mutilated Securities
pursuant to Section 2.08 hereof.

Section 2.13 Defaulted Interest.

          If the Company defaults in a payment of interest on the Securities of any series, it will pay
the defaulted interest in any lawful manner plus, to the extent lawful, interest payable on the
defaulted interest, to the Persons who are Holders of Securities of that series on a subsequent
special record date, in each case at the rate provided in the Securities of that series and in
Section 4.01 hereof. The Company will notify the Trustee in writing of the amount of defaulted
interest proposed to be paid on each Security of that series and the date of the proposed payment.
The Company will fix or cause to be fixed each such special record date and payment date, provided
that no such special record date may be less than 10 days prior to the related payment date for
such defaulted interest. At least 15 days before the special record date, the Company (or, upon
the written request of the Company, the Trustee in the name and at the expense of the Company) will
mail or cause to be mailed to Holders of Securities of that series a notice that states the special
record date, the related payment date and the amount of such interest to be paid on such
Securities.

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ARTICLE 3

REDEMPTION AND PREPAYMENT

Section 3.01 Applicability of Article.

          Securities of any series which are redeemable before their maturity shall be redeemable in
accordance with their terms and (except as otherwise specified as contemplated by Section 2.02 for
Securities of any series) in accordance with this Article.

Section 3.02 Notices to Trustee.

          The election of the Company to redeem or purchase in an offer to purchase Securities of any
series shall be evidenced by a Board Resolution. The Company shall, at least 45 days prior to the
redemption date fixed by the Company (unless a shorter notice shall be satisfactory to the
Trustee), notify the Trustee of such redemption date and of the principal amount of Securities of
that series to be redeemed by delivering to the Trustee an Officers’ Certificate setting forth:

          (1) the paragraph of the Securities and/or Section of this Indenture or any indenture
supplemental hereto pursuant to which the redemption shall occur;

          (2) the redemption date, and if such redemption date is conditional, a description of
the event upon which it is conditioned;

          (3) the principal amount of Securities of that series to be redeemed, plus accrued
interest and Additional Amounts, if any, to the redemption date; and

          (4) the redemption price, including any make-whole amount or premium, if applicable.

Section 3.03 Selection of Securities to Be Redeemed.

          If less than all of the Securities of any series are to be redeemed or purchased in an offer
to purchase at any time, the Trustee will select the particular Securities for redemption or
purchase from the Outstanding Securities of that series not previously called for redemption, as
follows:

          (1) if the Securities of that series are listed on any national securities exchange, in
compliance with the requirements of the principal national securities exchange on which such
Securities are listed; or

          (2) if the Securities of that series are not listed on any national securities
exchange, on a pro rata basis, by lot or by such other method as the Trustee shall deem fair
and appropriate.

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          In the event of partial redemption by lot, the particular Securities to be redeemed will be
selected, unless otherwise provided in this Indenture, not less than 30 nor more than 60 days prior
to the redemption date by the Trustee.

          The Trustee will promptly notify the Company in writing of the Securities selected for
redemption or purchase and, in the case of any Security selected for partial redemption or
purchase, the principal amount thereof to be redeemed or purchased. Securities and portions of
Securities of any series selected will be in amounts equal to the minimum authorized denomination
for Securities of that series or any integral multiple thereof; provided, however, that if all of
the Outstanding Securities of a Holder are to be redeemed or purchased, the entire amount of such
Securities held by such Holder, even if not a multiple of the minimum authorized denomination for
Securities of that series, shall be redeemed or purchased. Except as provided in the preceding
sentence, provisions of this Indenture that apply to Securities called for redemption or purchase
also apply to portions of Securities called for redemption or purchase.

Section 3.04 Notice of Redemption.

          At least 30 days but not more than 60 days before a redemption date, unless a shorter period
is specified by the terms of that series as contemplated by Section 2.02, the Company will mail or
cause to be mailed, by first class mail, a notice of redemption to each Holder whose Securities are
to be redeemed at its registered address, except that redemption notices may be mailed more than 60
days prior to a redemption date if the notice is issued in connection with a defeasance of the
Securities or a satisfaction and discharge of this Indenture pursuant to Article 8 or 11 of this
Indenture. Any notice that is mailed to the Holders of Securities in the manner herein provided
shall be conclusively presumed to have been duly given, whether or not the Holder receives such
notice.

          The notice will identify the Securities to be redeemed and will state:

          (1) the redemption date, and if such redemption date is conditional, a description of
the event upon which it is conditioned;

          (2) the redemption price, including the accrued interest and Additional Amounts, if
any, to the redemption date and any make-whole amount or premium, if applicable;

          (3) if any Security is being redeemed in part, the portion of the principal amount of
such Security to be redeemed and that, after the redemption date upon surrender of such
Security, a new Security or Securities of the same series and tenor in principal amount
equal to the unredeemed portion will be issued upon cancellation of the original Security;

          (4) the name and address of the Paying Agent;

          (5) that Securities called for redemption must be surrendered to the Paying Agent at
the Place of Payment to collect the redemption price or to convert (if applicable);

24

 

          (6) that, unless the Company defaults in making such redemption payment, interest on
Securities called for redemption ceases to accrue on and after the redemption date;

          (7) the paragraph of the Securities and/or Section of this Indenture or any indenture
supplemental hereto pursuant to which the Securities called for redemption are being
redeemed;

          (8) that no representation is made as to the correctness or accuracy of the CUSIP
number, if any, listed in such notice or printed on the Securities;

          (9) that the redemption is for a sinking fund, if applicable; and

          (10) if applicable, that a Holder of Securities who desires to convert Securities in
connection with a redemption must satisfy the requirements for conversion contained in such
Securities, the then existing conversion price or rate, and the date and time when the
option to convert shall expire.

          At the Company’s request, the Trustee will give the notice of redemption in the Company’s name
and at its expense; provided, however, that the Company has delivered to the Trustee, at least 45
days (or such shorter period of time as is satisfactory to the Trustee) prior to the redemption
date, an Officers’ Certificate requesting that the Trustee give such notice and setting forth the
information to be stated in such notice as provided in the preceding paragraph.

Section 3.05 Effect of Notice of Redemption.

          Once notice of redemption is mailed in accordance with Section 3.04 hereof, Securities called
for redemption become irrevocably due and payable on the redemption date at the redemption price
therein specified. A notice of redemption may be conditioned upon the happening of an event,
provided such event is described in the redemption notice.

Section 3.06 Deposit of Redemption or Purchase Price.

          On the redemption or purchase date, the Company will deposit with the Trustee or with the
Paying Agent money in the currency or currencies, currency unit or units or composite currency or
currencies in which the Securities are payable sufficient to pay the redemption or purchase price
of and accrued interest and Additional Amounts, if any, on all Securities to be redeemed or
purchased on that date. The Trustee or the Paying Agent will promptly return to the Company any
money deposited with the Trustee or the Paying Agent by the Company in excess of the amounts
necessary to pay the redemption or purchase price of, and accrued interest and Additional Amounts,
if any, on, all Securities to be redeemed or purchased.

          If the Company complies with the provisions of the preceding paragraph, on and after the
redemption or purchase date, interest will cease to accrue on the Securities or the portions of
Securities called for redemption or purchase. If a Security is redeemed or purchased on or after a
Record Date but on or prior to the related Interest Payment Date, then any accrued and unpaid
interest shall be paid to the Person in whose name such Security was registered at the close of
business on such Record Date; provided, however, that
except as otherwise provided

25

 

with respect to Securities convertible into Capital Stock of the Company, installments of
interest on Securities whose 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 the terms and provisions of Section 2.02. If
any Security called for redemption or purchase is not so paid upon surrender for redemption or
purchase because of the failure of the Company to comply with the preceding paragraph, interest
shall be paid on the unpaid principal, from the redemption or purchase date until such principal is
paid, and to the extent lawful on any interest not paid on such unpaid principal, in each case at
the rate provided in the Securities and in Section 4.01 hereof.

Section 3.07 Securities Redeemed or Purchased in Part.

          Upon surrender of a Security of a series that is redeemed or purchased in part at a Place of
Payment therefor (with, if the Company or the Trustee so requires, due endorsement by, or a written
instrument of transfer in form satisfactory to the Company and the Trustee duly executed by, the
Holder thereof or his attorney duly authorized in writing), the Company will issue and, upon
receipt of an Authentication Order, the Trustee will authenticate for the Holder at the expense of
the Company a new Security of the same series of any authorized denomination as requested by the
Holder in an aggregate principal amount equal to and in exchange for the unredeemed or unpurchased
portion of the principal of the Security so surrendered.

Section 3.08 Conversion Arrangement on Call for Redemption.

          In connection with any redemption of Securities, the Company may arrange for the purchase and
conversion of any Securities called for redemption by an agreement with one or more investment
bankers or other purchasers to purchase such Securities by paying to the Trustee or the Paying
Agent in trust for the Holders of Securities, on or before 10:00 a.m. Eastern Time on the
redemption date, an amount not less than the redemption price, together with interest, if any,
accrued to the redemption date of such Securities, in immediately available funds. Notwithstanding
anything to the contrary contained in this Article 3, the obligation of the Company to pay the
redemption price of such Securities, including all accrued interest, if any, shall be deemed to be
satisfied and discharged to the extent such amount is so paid by such purchasers. If such an
agreement is entered into, any Securities not duly surrendered for conversion by the Holders
thereof may, at the option of the Company, be deemed, to the fullest extent permitted by law,
acquired by such purchasers from such Holders and surrendered by such purchasers for conversion,
all as of immediately prior to the close of business on the last day on which Securities of that
series called for redemption may be converted in accordance with this Indenture and the terms of
such Securities, subject to payment to the Trustee or Paying Agent of the above-described amount.
The Trustee or the Paying Agent shall hold and pay to the Holders whose Securities are selected for
redemption any such amount paid to it in the same manner as it would pay moneys deposited with it
by the Company for the redemption of Securities. Without the Trustee’s and the Paying Agent’s
prior written consent, no arrangement between the Company and such purchasers for the purchase and
conversion of any Securities shall increase or otherwise affect any of the powers, duties,
responsibilities or obligations of the Trustee and the Paying Agent as set forth in this Indenture,
and the Company agrees to indemnify the Trustee and the Paying Agent from, and hold them harmless
against, any loss, liability or expense owing out of or in connection with any such arrangement for
the purchase and conversion of any

26

 

Securities between the Company and such purchasers, including the costs and expenses incurred
by the Trustee and the Paying Agent (including the fees and expenses of their agents and counsel)
in the defense of any claim or liability arising out of or in connection with the exercise or
performance of any of their powers, duties, responsibilities or obligations under this Indenture.

ARTICLE 4

COVENANTS

Section 4.01 Payment of Securities.

          The Company will pay or cause to be paid the principal of, premium, if any, and interest and
Additional Amounts, if any, on the Securities of each series on the dates, in the currency or
currency unit and in the manner provided in the terms of that series of Securities and this
Indenture. Principal, premium, if any, and interest and Additional Amounts, if any, will be
considered paid on the date due if the Paying Agent, if other than the Company or a Subsidiary
thereof, holds as of 10:00 a.m. Eastern Time on the due date money deposited by the Company in
immediately available funds and designated for and sufficient to pay all principal, premium, if
any, and interest then due.

          The Company will pay interest (including post-petition interest in any proceeding under any
Bankruptcy Law) on overdue principal at the rate equal to 1% per annum in excess of the then
applicable interest rate on the Securities of the applicable series to the extent lawful; the
Company will pay interest (including post-petition interest in any proceeding under any Bankruptcy
Law) on overdue installments of interest and Additional Amounts (without regard to any applicable
grace period) at the same rate to the extent lawful.

Section 4.02 Maintenance of Office or Agency.

          The Company will maintain in each Place of Payment for Securities of any series an office or
agency (which may be an office of the Trustee or an affiliate of the Trustee, Registrar or
co-registrar) where Securities of that series may be presented or surrendered for payment or
conversion, where Securities of that series may be surrendered for registration of transfer or for
exchange and where notices and demands to or upon the Company in respect of the Securities of that
series and this Indenture may be served. The Company will give prompt written notice to the
Trustee of the location, and any change in the location, of such office or agency. If at any time
the Company fails to maintain any such required office or agency or fail to furnish the Trustee
with the address thereof, such presentations, surrenders, notices and demands may be made or served
at the Corporate Trust Office of the Trustee.

          The Company may also from time to time designate one or more other offices or agencies where
the Securities of any series may be presented or surrendered for any or all such purposes and may
from time to time rescind such designations; provided, however, that no such designation or
rescission will in any manner relieve the Company of its obligation to maintain an office or agency
in the Place of Payment for such purposes. The Company will give prompt written notice to the
Trustee of any such designation or rescission and of any change in the location of any such other
office or agency.

27

 

          Unless otherwise specified with respect to Securities of any series as contemplated by Section
2.02, the Company hereby designates as a Place of Payment for each series of Securities the
Corporate Trust Office of the Trustee in the Borough of Manhattan in the City of New York as one
such office or agency of the Company in accordance with Section 2.04 hereof.

Section 4.03 Reports.

          The Company shall file with the Trustee, within 15 days after the Company is required to file
the same with the Commission, copies of the annual reports and of the information, documents, and
other reports (or copies of such portions of any of the foregoing as the Commission may from time
to time by rules and regulations prescribe) which the Company may be required to file with the
Commission pursuant to Section 13 or Section 15(d) of the Exchange Act. The Company also shall
comply with the other provisions of TIA § 314(a).

Section 4.04 Compliance Certificate.

          (a) The Company shall deliver to the Trustee, within 120 days after the end of each fiscal
year, an Officers’ Certificate stating that a review of the activities of the Company and its
Subsidiaries during the preceding 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 to the best of his or her knowledge, 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 of this Indenture (or, if
a Default or Event of Default has occurred, describing all such Defaults or Events of Default of
which he or she may have knowledge and what action the Company is taking or proposes to take with
respect thereto).

          (b) So long as any of the Securities are outstanding, the Company will deliver to the Trustee,
forthwith upon any Officer becoming aware of any Default or Event of Default, an Officers’
Certificate specifying such Default or Event of Default and what action the Company is taking or
propose to take with respect thereto.

Section 4.05 Additional Amounts.

          If any Securities of a series provide for the payment of Additional Amounts, the Company will
pay to the Holder of any Security of that series Additional Amounts as may be specified as
contemplated by Section 2.02. Whenever in this Indenture there is mentioned the payment of the
principal of or any premium or interest on, or in respect of, any Security of any series or the net
proceeds received on the sale or exchange of any Security of any series, such mention shall be
deemed to include mention of the payment of Additional Amounts provided by the terms of that series
established pursuant to Section 2.02 to the extent that, in such context, Additional Amounts are,
were or would be payable in respect thereof pursuant to such terms and express mention of the
payment of Additional Amounts (if applicable) in any provisions hereof shall not be construed as
excluding Additional Amounts in those provisions hereof where such express mention is not made.

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          Except as otherwise specified as contemplated by Section 2.02, if the Securities of a series
provide for the payment of Additional Amounts, at least 10 days prior to the first interest payment
date with respect to that series of Securities (or if the Securities of that series will not bear
interest prior to maturity, the first day on which a payment of principal and any premium is made),
and at least 10 days prior to each date of payment of principal and any premium or interest if
there has been any change with respect to the matters set forth in the below-mentioned Officers’
Certificate, the Company will furnish the Trustee and the Company’s principal Paying Agent or
Paying Agents, if other than the Trustee, with an Officers’ Certificate instructing the Trustee and
such Paying Agent or Paying Agents whether such payment of principal of and any premium or interest
on the Securities of that series shall be made to Holders of Securities of that series who are not
United States persons without withholding for or on account of any tax, assessment or other
governmental charge described in the Securities of the series. If any such withholding shall be
required, then such Officers’ Certificate shall specify by country the amount, if any, required to
be withheld on such payments to such Holders of Securities of that series and the Company will pay
to the Trustee or such Paying Agent the Additional Amounts required by the terms of such
Securities. In the event that the Trustee or any Paying Agent, as the case may be, shall not so
receive the above-mentioned certificate, then the Trustee or such Paying Agent shall be entitled
(i) to assume that no such withholding or deduction is required with respect to any payment
of principal or interest with respect to any Securities of a series until it shall have received a
certificate advising otherwise and (ii) to make all payments of principal and interest with
respect to the Securities of a series without withholding or deductions until otherwise advised.
The Company covenants to indemnify the Trustee and any Paying Agent for, and to hold them harmless
against, any loss, liability or expense reasonably incurred without negligence or bad faith on
their part arising out of or in connection with actions taken or omitted by any of them or in
reliance on any Officers’ Certificate furnished pursuant to this Section or in reliance on the
Company’s not furnishing such an Officers’ Certificate.

Section 4.06 Corporate Existence.

          Except as permitted by Article 5, the Company and its Subsidiaries shall do all things
necessary to preserve and keep their existence, rights and franchises; provided, however, that the
existence of a Subsidiary may be terminated if the Board of Directors of the Company determines
that it is in the best interests of the Company to do so.

ARTICLE 5

SUCCESSORS

Section 5.01 Merger, Consolidation, or Sale of Assets.

          The Company may not, directly or indirectly: (1) consolidate or merge with or into
another Person (whether or not the Company is the surviving corporation); or (2) sell,
assign, transfer, convey, lease or otherwise dispose of all or substantially all of the properties
or assets of the Company and its Subsidiaries taken as a whole, in one or more related
transactions, to another Person; unless:

          (1) either:

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               (i) the Company is the surviving corporation; or

               (ii) the Person formed by or surviving any such consolidation or merger (if
other than the Company) or to which such sale, assignment, transfer, conveyance or
other disposition has been made is organized or existing under the laws of the
United States, any state of the United States or the District of Columbia;

          (2) the Person formed by or surviving any such consolidation or merger (if other than
the Company) or the Person to which such sale, assignment, transfer, conveyance or other
disposition has been made assumes all the obligations of the Company under the Securities
and this Indenture pursuant to agreements reasonably satisfactory to the Trustee; and

          (3) immediately after such transaction, on a pro forma basis giving effect to such
transaction or series of transactions (and treating any obligation of the Company or any
Subsidiary incurred in connection with or as a result of such transaction or series of
transactions as having been incurred at the time of such transaction), no Default or Event
of Default exists.

Section 5.02 Successor Substituted.

          Upon any consolidation or merger, or any sale, assignment, transfer, conveyance, transfer or
other disposition of all or substantially all of the properties or assets of the Company in
accordance with Section 5.01, the successor Person formed by such consolidation or into which the
Company is merged or to which such sale, assignment, transfer, conveyance or other disposition 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 successor initially had been named as
the Company herein. Such successor thereupon may cause to be signed, and may issue either in its
own name or in the name of the Company, any or all of the Securities issuable hereunder which
theretofore shall not have been signed by the Company and delivered to the Trustee; and, upon the
order of such successor, instead of the Company, and subject to all the terms, conditions and
limitations in this Indenture prescribed, the Trustee shall authenticate and shall deliver any
Securities which previously shall have been signed and delivered by the Officers of the Company to
the Trustee for authentication, and any Securities which such successor thereafter shall cause to
be signed and delivered to the Trustee for that purpose. All the Securities so issued shall in all
respects have the same legal rank and benefit under this Indenture as the Securities theretofore or
thereafter issued in accordance with the terms of this Indenture as though all of such Securities
had been issued at the date of the execution hereof.

          In case of any such consolidation, merger, sale, lease or conveyance, such changes in
phraseology and form (but not in substance) may be made in the Securities thereafter to be issued
as may be appropriate.

          When a successor assumes all the obligations of its predecessor under this Indenture and the
Securities following a consolidation or merger, or any sale, assignment, transfer, conveyance,
transfer or other disposition of all or substantially all of the assets of the

30

 

predecessor in accordance with the foregoing provisions, the predecessor shall be released
from those obligations.

ARTICLE 6

DEFAULTS AND REMEDIES

Section 6.01 Events of Default.

          Each of the following is an “Event of Default” wherever used herein with respect to any
particular series of Securities:

          (1) the Company does not pay the principal or any premium on any Security of that
series when due and payable;

          (2) the Company does not pay interest on any Security of that series within 30 days
after the applicable due date;

          (3) the Company or its Subsidiaries fail to deposit any sinking fund payment, when and
as due by the terms of any Security of that series;

          (4) the Company fails to comply with the provisions of Section 4.03 and such failure
continues uncured or unwaived for a period of 180 days after it receives a notice of Default
stating the Company is in breach. Either the Trustee or the Holders of more than 25% in
aggregate principal amount of the Securities of that series then Outstanding may send the
notice.

          (5) the Company or its Subsidiaries remain in breach of any other term of this
Indenture (other than a term that has been included in this Indenture solely for the benefit
of series of Securities other than that series) for 90 days after they receive a notice of
Default stating they are in breach. Either the Trustee or the Holders of more than 25% in
aggregate principal amount of the Securities of that series then Outstanding may send the
notice;

          (6) the Company or any of its Significant Subsidiaries, or any group of Subsidiaries
that, taken as a whole, would constitute a Significant Subsidiary:

               (i) commences a voluntary case;

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

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

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

               (v) generally is not paying its debts as they become due;

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

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

               (ii) appoints a custodian of the Company or any of its Significant
Subsidiaries, or any group of Subsidiaries that, taken as a whole, would constitute
a Significant Subsidiary, or for all or substantially all of the property of the
Company or any of its Significant Subsidiaries, or any group of Subsidiaries that,
taken as a whole, would constitute a Significant Subsidiary; or

               (iii) orders the liquidation of the Company or any of its Significant
Subsidiaries, or any group of Subsidiaries that, taken as a whole, would constitute
a Significant Subsidiary;

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

          (8) any other Event of Default provided with respect to Securities of that series as
contemplated by Section 2.02.

Section 6.02 Acceleration.

          In the case of an Event of Default specified in clause (6) or (7) of Section 6.01, with
respect to the Company or any of its Significant Subsidiaries or any group of Subsidiaries that,
taken as a whole, would constitute a Significant Subsidiary, the principal amount (or, if any
Securities are Original Issue Discount Securities or Indexed Securities, such portion of the
principal as may be specified in the terms thereof) of and accrued and unpaid interest, if any, on
all of the Outstanding Securities will become due and payable immediately without further action or
notice. If any other Event of Default with respect to Securities of any series at the time
Outstanding occurs and has not been cured, the Trustee or the Holders of at least 25% in aggregate
principal amount of the Securities of that series then Outstanding may declare the entire principal
amount (or specified amount) of and accrued and unpaid interest, if any, on all of the Securities
of that series to be due and immediately payable by written notice to the Company and the Trustee.
Upon any such declaration, such principal amount (or specified amount) of and accrued and unpaid
interest, if any, on all of the Securities of that series shall become due and payable immediately.
The Holders of a majority in aggregate principal amount of the Securities of that series then
Outstanding by written notice to the Trustee may on behalf of all of the Holders rescind and annul
an acceleration and its consequences if the rescission or annulment would not conflict with any
judgment or decree and if all existing Events of Default (except nonpayment of principal, interest
or premium that has become due solely because of the acceleration) have been cured or waived.

Section 6.03 Other Remedies.

          If an Event of Default occurs and is continuing with respect to Securities of any series at
the time Outstanding, the Trustee may pursue any available remedy to collect the

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payment of principal, premium and Additional Amounts, if any, and interest on the Securities
of that series or to enforce the performance of any provision of the Securities of that series or
this Indenture.

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

Section 6.04 Waiver of Past Defaults.

          Holders of not less than a majority in aggregate principal amount of the then Outstanding
Securities of any series by notice to the Trustee may on behalf of the Holders of all of the
Securities of that series waive an existing Default or Event of Default and its consequences
hereunder, except a continuing Default or Event of Default in the payment of the principal of,
premium and Additional Amounts, if any, or interest on, the Securities of that series (excluding in
connection with an offer to purchase) or in respect of a covenant or provision of this Indenture
which under Article 9 may not be modified or amended without the consent of the Holder of each
Outstanding Security of the affected series; provided, however, that the Holders of a majority in
aggregate principal amount of the then Outstanding Securities of that series may rescind an
acceleration and its consequences, including any related payment default that resulted from such
acceleration as provided in Section 6.02. Upon any such waiver, 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 impair any
right consequent thereon.

Section 6.05 Control by Majority.

          Holders of a majority in aggregate principal amount of the Securities of any series then
Outstanding may direct the time, method and place of conducting any proceeding for exercising any
remedy available to the Trustee or exercising any trust or power conferred on it with respect to
the Securities of that series. However, the Trustee may refuse to follow any direction that
conflicts with law or this Indenture that the Trustee determines may be unduly prejudicial to the
rights of other Holders of Securities of that series or to the Holders of the Securities of any
other series or that may involve the Trustee in personal liability.

Section 6.06 Limitation on Suits.

          A Holder of a Security of any series may pursue a remedy with respect to this Indenture or the
Securities of that series only if:

          (1) such Holder has given the Trustee written notice that an Event of Default has
occurred and remains uncured;

          (2) the Holders of at least 25% of the aggregate principal amount of all Outstanding
Securities of that series have made a written request that the Trustee take

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action because of the Default, and offered reasonable indemnity to the Trustee against
the cost and other liabilities of taking that action;

          (3) the Trustee has not taken action for 60 days after receipt of the notice and offer
of indemnity; and

          (4) the Holders of at least a majority in aggregate principal amount of all Outstanding
Securities of that series have not given the Trustee a direction inconsistent with such
request within such 60-day period.

          A Holder of any Security of any series may not use this Indenture to prejudice the rights of
another Holder of a Security of that series or to obtain a preference or priority over another
Holder of a Security of that series.

Section 6.07 Rights of Holders of Securities to Receive Payment.

          Notwithstanding any other provision of this Indenture, the right of any Holder of any Security
to receive payment of principal, premium and Additional Amounts, if any, and interest on such
Security, on or after the respective due dates expressed in such Security (excluding in connection
with an offer to purchase), or to bring suit for the enforcement of any such payment on or after
such respective dates, shall not be impaired or affected without the consent of such Holder.

Section 6.08 Collection Suit by Trustee.

          If an Event of Default specified in Section 6.01(1), (2) or (3) occurs and is continuing with
respect to the Securities of any series, the Trustee is authorized to recover judgment in its own
name and as trustee of an express trust against the Company for the whole amount of principal
(including any sinking fund payment), premium and Additional Amounts, if any, and interest
remaining unpaid on the Securities of that series and interest on overdue principal and, to the
extent lawful, interest and such further amount as shall be sufficient to cover the costs and
expenses of collection, including the reasonable compensation, expenses, disbursements and advances
of the Trustee, its agents and counsel.

Section 6.09 Trustee May File Proofs of Claim.

          The Trustee is authorized to file such proofs of claim and other papers or documents as may be
necessary or advisable in order to have the claims of the Trustee (including any claim for the
reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and
counsel) and the Holders of the Securities of any series allowed in any judicial proceedings
relative to the Company or any other obligor upon the Securities of that series, their creditors or
their property and shall be entitled and empowered to collect, receive and distribute any money or
other property payable or deliverable on any such claims and any custodian in any such judicial
proceeding is hereby authorized by each Holder of Securities of that series to make such payments
to the Trustee, and in the event that the Trustee shall consent to the making of such payments
directly to the Holders of Securities of that series, to pay to the Trustee any amount due to it
for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents
and counsel, and any other amounts due the Trustee under

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Section 7.07 hereof. To the extent that the payment of any such compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel, and any other amounts due the
Trustee under Section 7.07 hereof out of the estate in any such proceeding, shall be denied for any
reason, payment of the same shall be secured by a Lien on, and shall be paid out of, any and all
distributions, dividends, money, securities and other properties that the Holders of Securities of
that series may be entitled to receive in such proceeding whether in liquidation or under any plan
of reorganization or arrangement or otherwise. Nothing herein contained shall be deemed to
authorize the Trustee to authorize or consent to or accept or adopt on behalf of any Holder of a
Security any plan of reorganization, arrangement, adjustment or composition affecting the
Securities or the rights of any Holder thereof, or to authorize the Trustee to vote in respect of
the claim of any Holder of a Security in any such proceeding.

Section 6.10 Priorities.

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

          First: to the Trustee, its agents and attorneys for amounts due under Section 7.07 hereof,
including payment of all compensation, expense and liabilities incurred, and all advances made, by
the Trustee and the costs and expenses of collection;

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

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

          The Trustee may fix a record date and payment date for any payment to Holders of Securities
pursuant to this Section 6.10.

Section 6.11 Undertaking for Costs.

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

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ARTICLE 7

TRUSTEE

Section 7.01 Duties of Trustee.

     (a) If an Event of Default with respect to the Securities of any series has occurred and is
continuing, the Trustee will exercise such of the rights and powers vested in it by this Indenture,
and use the same degree of care and skill in its exercise, as a prudent person would exercise or
use under the circumstances in the conduct of such person’s own affairs.

     (b) Except during the continuance of an Event of Default:

     (1) the duties of the Trustee will be determined solely by the express provisions of
this Indenture and the Trustee need perform only those duties that are specifically set
forth in this Indenture and no others, and no implied covenants or obligations shall be read
into this Indenture against the Trustee; and

     (2) in the absence of bad faith on its part, the Trustee may conclusively rely, as to
the truth of the statements and the correctness of the opinions expressed therein, upon
certificates or opinions furnished to the Trustee and conforming to the requirements of this
Indenture. However, the Trustee will examine the certificates and opinions to determine
whether or not they conform to the requirements of this Indenture.

     (c) The Trustee may not be relieved from liabilities for its own negligent action, its own
negligent failure to act, or its own willful misconduct, except that:

     (1) this paragraph does not limit the effect of paragraph (b) of this Section
7.01;

     (2) the Trustee will not be liable for any error of judgment made in good faith by a
Responsible Officer, unless it is proved that the Trustee was negligent in ascertaining the
pertinent facts; and

     (3) the Trustee will not be liable with respect to any action it takes or omits to take
in good faith in accordance with a direction received by it pursuant to Section 6.05.

     (d) Whether or not therein expressly so provided, every provision of this Indenture that in
any way relates to the Trustee is subject to paragraphs (a), (b), and (c)
of this Section 7.01.

     (e) No provision of this Indenture will require the Trustee to expend or risk its own funds or
incur any liability. The Trustee will be under no obligation to exercise any of its rights and
powers under this Indenture at the request of any Holder, unless such Holder has offered to the
Trustee security and indemnity satisfactory to it against any loss, liability or expense.

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     (f) The Trustee will not be liable for interest on any money received by it except as the
Trustee may agree in writing with the Company. Money held in trust by the Trustee need not be
segregated from other funds except to the extent required by law.

     (g) Whether or not therein expressly so provided, every provision of this Indenture relating
to the conduct or affecting the liability of or affording protection to the Trustee shall be
subject to the provisions of this Section.

Section 7.02 Rights of Trustee.

     (a) The Trustee may conclusively rely upon any document (whether original or facsimile)
believed by it to be genuine and to have been signed or presented by the proper Person. The
Trustee need not investigate any fact or matter stated in the document.

     (b) Before the Trustee acts or refrains from acting, it may require an Officers’ Certificate
or an Opinion of Counsel or both. The Trustee will not be liable for any action it takes or omits
to take in good faith in reliance on such Officers’ Certificate or Opinion of Counsel. The Trustee
may consult with counsel and the written advice of such counsel or any Opinion of Counsel will be
full and complete authorization and protection from liability in respect of any action taken,
suffered or omitted by it hereunder in good faith and in reliance thereon.

     (c) The Trustee may act through its attorneys and agents and will not be responsible for the
misconduct or negligence of any agent appointed with due care unless the Trustee was negligent in
acting through its attorneys and agents.

     (d) The Trustee will not be liable for any action it takes or omits to take in good faith that
it believes to be authorized or within the rights or powers conferred upon it by this Indenture.

     (e) Unless otherwise specifically provided in this Indenture, any demand, request, direction
or notice from the Company will be sufficient if signed by an Officer of the Company.

     (f) The Trustee will 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 unless such Holders have
offered to the Trustee reasonable security or indemnity against the costs, expenses and liabilities
that might be incurred by it in compliance with such request or direction.

Section 7.03 Individual Rights of Trustee.

          The Trustee in its individual or any other capacity may become the owner or pledgee of
Securities and may otherwise deal with the Company or any Affiliate of the Company with the same
rights it would have if it were not Trustee. However, in the event that the Trustee acquires any
conflicting interest it must eliminate such conflict within 90 days, apply to the Commission for
permission to continue as trustee or resign. Any Agent may do the same with like rights and
duties. The Trustee is also subject to Sections 7.10 and 7.11 hereof.

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Section 7.04 Trustee’s Disclaimer.

          The Trustee will not be responsible for and makes no representation as to the validity or
adequacy of this Indenture or the Securities, it shall not be accountable for the Company’s use of
the proceeds from the Securities or any money paid to the Company or upon the Company’s direction
under any provision of this Indenture, it will not be responsible for the use or application of any
money received by any Paying Agent other than the Trustee, and it will not be responsible for any
statement or recital herein or any statement in the Securities or any other document in connection
with the sale of the Securities or pursuant to this Indenture other than its certificate of
authentication.

Section 7.05 Notice of Defaults.

          If a Default or Event of Default occurs and is continuing with respect to the Securities of
any series and if it is known to the Trustee, the Trustee will mail to Holders of Securities of
that series a notice of the Default or Event of Default within 90 days after it occurs, unless such
default shall have been cured or waived. Except in the case of a Default or Event of Default in
payment of principal of, premium or Additional Amounts, if any, or interest on any Security, the
Trustee may withhold the notice if and so long as a committee of its Responsible Officers in good
faith determines that withholding the notice is in the interests of the Holders of the Securities
of that series.

Section 7.06 Reports by Trustee to Holders of the Securities.

     (a) Within 120 days after the end of each fiscal year beginning with the end of the fiscal
year following the date of this Indenture, and for so long as Securities of any series remain
Outstanding, the Trustee will mail to all Holders of the Securities of that series a brief report
dated as of such reporting date that complies with TIA § 313(a) (but if no event described in TIA §
313(a) has occurred within the twelve months preceding the reporting date, no report need be
transmitted). The Trustee also will comply with TIA § 313(b)(2). The Trustee will also transmit
by mail all reports as required by TIA § 313(c).

     (b) A copy of each report at the time of its mailing to the Holders of Securities will be
mailed by the Trustee to the Company and filed by the Trustee with the Commission and each stock
exchange on which such Securities are listed in accordance with TIA § 313(d). The Company will
promptly notify the Trustee when the Securities of any series are listed on any stock exchange.

Section 7.07 Compensation and Indemnity.

     (a) The Company will pay to the Trustee from time to time reasonable compensation as agreed
upon between the Trustee and the Company for its acceptance of this Indenture and services
hereunder. The Trustee’s compensation will not be limited by any law on compensation of a trustee
of an express trust. The Company will reimburse the Trustee promptly upon written request for all
reasonable disbursements, advances and expenses incurred or made by it in addition to the
compensation for its services (including the reasonable compensation, disbursements and expenses of
the Trustee’s agents and counsel), except any such disbursement,

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advances and expenses as shall be determined to have been caused by the Trustee’s own
negligence, bad faith or willful misconduct.

     (b) The Company will indemnify the Trustee against any and all losses, liabilities or expenses
incurred by it arising out of or in connection with the acceptance or administration of its duties
under this Indenture, including the costs and expenses of enforcing this Indenture against the
Company (including this Section 7.07) and defending itself against any claim (whether asserted by
the Company or any Holder or any other Person) or liability in connection with the exercise or
performance of any of its powers or duties hereunder, except to the extent any such loss, liability
or expense may be attributable to its negligence, bad faith, or willful misconduct. The Trustee
will notify the Company in writing promptly of any claim for which it may seek indemnity. Failure
by the Trustee to so notify the Company will not relieve the Company of its obligations hereunder.
The Company will defend the claim and the Trustee will cooperate in the defense. The Trustee may
have separate counsel and the Company will pay the reasonable fees and expenses of such counsel.
The Company need not pay for any settlement made without its consent.

     (c) The obligations of the Company under this Section 7.07 will survive the satisfaction and
discharge of this Indenture.

     (d) To secure the Company’s payment obligations in this Section 7.07, the Trustee will have a
Lien prior to the Securities of any series on all money or property held or collected by the
Trustee, except that held in trust to pay principal and interest on particular Securities of any
series. Such Lien will survive the satisfaction and discharge of this Indenture.

     (e) When the Trustee incurs expenses or renders services after an Event of Default specified
in Section 6.01(6) or (7) hereof occurs, the expenses and the compensation for the services
(including the fees and expenses of its agents and counsel) are intended to constitute expenses of
administration under any Bankruptcy Law.

     (f) The Trustee will comply with the provisions of TIA § 313(b)(2) to the extent applicable.

Section 7.08 Replacement of Trustee.

     (a) A resignation or removal of the Trustee and appointment of a successor Trustee will become
effective only upon the successor Trustee’s acceptance of appointment as provided in this Section
7.08.

     (b) The Trustee may resign with respect to the Securities of one or more series in writing at
any time and be discharged from the trust hereby created by so notifying the Company. The Holders
of a majority in aggregate principal amount of the then Outstanding Securities of any series may
remove the Trustee with respect to the Securities of that series by so notifying the Trustee and
the Company in writing. The Company may remove the Trustee if:

          (1) the Trustee fails to comply with Section 7.10 hereof;

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     (2) the Trustee is adjudged a bankrupt or an insolvent or an order for relief is
entered with respect to the Trustee under any Bankruptcy Law;

     (3) a custodian or public officer takes charge of the Trustee or its property; or

     (4) the Trustee becomes incapable of acting.

     (c) If the Trustee resigns, is removed, is incapable of acting or if a vacancy exists in the
office of Trustee for any reason with respect to the Securities of one or more series, the Company,
by Board Resolution, will promptly appoint a successor Trustee or Trustees with respect to the
Securities of that or those series. Within one year after the successor Trustee or Trustees with
respect to the Securities of any series takes office, the Holders of a majority in aggregate
principal amount of the then Outstanding Securities of that series may appoint a successor Trustee
with respect to the Securities of that series to replace the successor Trustee appointed by the
Company.

     (d) If a successor Trustee with respect to the Securities of any series does not take office
within 60 days after the retiring Trustee resigns or is removed, the retiring Trustee, the Company,
or the Holders of at least 10% in aggregate principal amount of the then Outstanding Securities of
that series may petition any court of competent jurisdiction for the appointment of a successor
Trustee with respect to Securities of that series.

     (e) If the Trustee, after written request by any Holder of Securities of any series who has
been a Holder of Securities of that series for at least six months, fails to comply with Section
7.10, such Holder may petition any court of competent jurisdiction for the removal of the Trustee
and the appointment of a successor Trustee with respect to Securities of that series.

     (f) In case of the appointment hereunder of a successor Trustee with respect to all
Securities, every such successor Trustee will deliver a written acceptance of its appointment to
the retiring Trustee and to the Company. Thereupon, the resignation or removal of the retiring
Trustee will become effective, and the successor Trustee will have all the rights, powers and
duties of the Trustee under this Indenture without any further act, deed or conveyance. The
successor Trustee will mail a notice of its succession to Holders. The retiring Trustee will
promptly transfer all property held by it as Trustee to the successor Trustee, provided all sums
owing to the Trustee hereunder have been paid and subject to the Lien provided for in Section 7.07
hereof. Notwithstanding replacement of the Trustee pursuant to this Section 7.08, the Company’s
obligations under Section 7.07 hereof will continue for the benefit of the retiring Trustee.

     (g) 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, pursuant to Article 9 hereof, 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

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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 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.

          (h) Upon 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
such rights, powers and trusts referred to in paragraph (f) and (g) of this Section, as the case
may be.

          (i) 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 7.09 Successor Trustee by Merger, etc.

          If the Trustee consolidates, merges or converts into, or transfers all or substantially all of
its corporate trust business to, another corporation, the successor corporation without any further
act will be the successor Trustee, 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 the parties hereto.

Section 7.10 Eligibility; Disqualification.

          There will at all times be a Trustee hereunder that is a corporation organized and doing
business under the laws of the United States of America or of any state thereof that is authorized
under such laws to exercise corporate trustee power, that is subject to supervision or examination
by federal or state authorities and that has a combined capital and surplus of at least $100
million as set forth in its most recent published annual report of condition.

          This Indenture will always have a Trustee who satisfies the requirements of TIA § 310(a)(1),
(2) and (5). The Trustee is subject to TIA § 310(b).

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Section 7.11 Preferential Collection of Claims Against the Company.

          The Trustee is subject to TIA § 311(a), excluding any creditor relationship listed in TIA §
311(b). A Trustee who has resigned or been removed shall be subject to TIA § 311(a) to the extent
indicated therein.

ARTICLE 8

LEGAL DEFEASANCE AND COVENANT DEFEASANCE

Section 8.01 Applicability of Article; Option to Effect Legal Defeasance or Covenant Defeasance.

          If, pursuant to Section 2.02, provision is made for either or both of (a) defeasance
of the Securities of or within a series under Section 8.02 or (b) covenant defeasance of
the Securities of or within a series under Section 8.03, then the provisions of such Section or
Sections, as the case may be, together with the other provisions of this Article (with such
modifications thereto as may be specified pursuant to Section 2.02 with respect to any Securities),
shall be applicable to such Securities, and the Company may at its option by Board Resolution, at
any time, with respect to such Securities, elect to have Section 8.02 (if applicable) or Section
8.03 (if applicable) be applied to such Outstanding Securities upon compliance with the conditions
set forth below in this Article.

Section 8.02 Legal Defeasance and Discharge.

          Upon the Company’s exercise under Section 8.01 hereof of the option applicable to this Section
8.02 with respect to any Outstanding Securities of or within a series, the Company will, subject to
the satisfaction of the conditions set forth in Section 8.04, be deemed to have been discharged
from its obligations with respect to all such Outstanding Securities on the date the conditions set
forth below are satisfied (hereinafter, “Legal Defeasance”). For this purpose, Legal
Defeasance means that the Company will be deemed to have paid and discharged the entire Debt
represented by such Outstanding Securities, which will thereafter be deemed to be “Outstanding”
only for the purposes of Section 8.05 hereof and the other Sections of this Indenture referred to
in clauses (1) and (2) below, and to have satisfied all its other obligations under such Securities
and this Indenture (and the Trustee, on demand of and at the expense of the Company, shall execute
proper instruments acknowledging the same), except for the following provisions which will survive
until otherwise terminated or discharged hereunder:

          (1) the rights of Holders of such Outstanding Securities to receive payments in respect
of the principal of, or interest or premium and Additional Amounts, if any, on such
Securities when such payments are due from the trust referred to in Section 8.04 hereof;

          (2) the Company’s obligations with respect to such Securities under Article 2 and
Section 4.02 hereof;

          (3) the rights, powers, trusts, duties and immunities of the Trustee hereunder and the
Company’s obligations in connection therewith; and

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          (4) this Article 8.

          Subject to compliance with this Article 8, the Company may exercise its option under this
Section 8.02 notwithstanding the prior exercise of its option under Section 8.03 hereof.

Section 8.03 Covenant Defeasance.

          Upon the Company’s exercise under Section 8.01 hereof of the option applicable to this Section
8.03 with respect to any Outstanding Securities of or within a series, the Company will, subject to
the satisfaction of the conditions set forth in Section 8.04, be released from each of its
obligations under the covenants contained in Sections 4.03, 4.04, 5.01(3) and, if specified as
contemplated by Section 2.02, its obligations under any other covenant, with respect to such
Outstanding Securities on and after the date the conditions set forth in Section 8.04 hereof are
satisfied (hereinafter, “Covenant Defeasance”), and such Securities will thereafter be
deemed not “Outstanding” for the purposes of any direction, waiver, consent or declaration or act
of Holders (and the consequences of any thereof) in connection with such covenants, but will
continue to be deemed “Outstanding” for all other purposes hereunder. For this purpose, Covenant
Defeasance means that, with respect to the Outstanding Securities, the Company may omit to comply
with and will have no liability in respect of any term, condition or limitation set forth in any
such covenant, whether directly or indirectly, by reason of any reference elsewhere herein to any
such covenant or by reason of any reference in any such covenant to any other provision herein or
in any other document and such omission to comply will not constitute a Default or an Event of
Default under Section 6.01 hereof, but, except as specified above, the remainder of this Indenture
and such Securities will be unaffected thereby. In addition, upon the Company’s exercise under
Section 8.01 hereof of the option applicable to this Section 8.03 with respect to any Outstanding
Securities of or within a series, subject to the satisfaction of the conditions set forth in
Section 8.04 hereof, Sections 6.01(4), 6.01(5), insofar as it relates to the obligations under the
covenants from which the Company has been released, and 6.01(6) hereof will not constitute Events
of Default in respect of such Securities.

Section 8.04 Conditions to Legal or Covenant Defeasance.

          In order to exercise either Legal Defeasance or Covenant Defeasance under either Section 8.02
or 8.03 hereof with respect to any Outstanding Securities of or within a series:

          (1) the Company irrevocably deposits with the Trustee for the Securities of that
series, in trust, for the benefit of the Holders, money in such currency or currencies, or
currency unit or currency units, in which such Security is then specified as payable at
maturity, non-callable Government Obligations applicable to such Securities (determined on
the basis of the currency or currencies, or currency unit or currency units, in which such
Securities are then specified as payable at maturity), or any combination thereof, in such
amounts as will be sufficient, in the opinion of a nationally recognized firm of independent
public accountants, to pay the principal of (including any sinking fund payment or analogous
payments applicable to such Outstanding Securities), premium and Additional Amounts, if any,
and interest on such Outstanding Securities on the stated date for payment thereof or on the
applicable redemption date, as the case may be;

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          (2) in the case of an election under Section 8.02 hereof, the Company has delivered to
the Trustee for the Securities of that series an Opinion of Counsel in the United States
reasonably acceptable to such Trustee confirming that:

               (i) the Company has received from, or there has been published by, the United
States Internal Revenue Service a ruling; or

               (ii) since the date of this Indenture, there has been a change in the
applicable federal income tax law,

in either case to the effect that, and based thereon such Opinion of Counsel shall confirm that,
the Holders of such Outstanding Securities will not recognize income, gain or loss for federal
income tax purposes as a result of such Legal Defeasance and will be subject to federal income
tax on the same amounts, in the same manner and at the same times as would have been the case if
such Legal Defeasance had not occurred;

          (3) in the case of an election under Section 8.03 hereof, the Company must deliver to
such Trustee for Securities of that series an Opinion of Counsel in the United States
reasonably acceptable to such Trustee confirming that the Holders of such Outstanding
Securities will not recognize income, gain or loss for federal income tax purposes as a
result of such Covenant Defeasance and will be subject to federal income tax on the same
amounts, in the same manner and at the same times as would have been the case if such
Covenant Defeasance had not occurred;

          (4) no Default or Event of Default shall have occurred in respect of Securities of that
series and be continuing on the date of such deposit (other than a Default or Event of
Default in respect of that series resulting from the borrowing of funds to be applied to
such deposit);

          (5) such Legal Defeasance or Covenant Defeasance will not result in a breach or
violation of, or constitute a default under, any material agreement or instrument (other
than this Indenture in respect of Securities of that series) to which the Company or any of
its Subsidiaries is a party or by which the Company or any of its Subsidiaries is bound;

          (6) the Company must deliver to the Trustee for Securities of that series an Officers’
Certificate stating that the deposit was not made by the Company with the intent of
preferring the Holders of such Securities over the other creditors of the Company with the
intent of defeating, hindering, delaying or defrauding any other creditors of the Company or
others;

          (7) the Company must deliver to the Trustee for Securities of that series an Officers’
Certificate and an Opinion of Counsel, each stating that all conditions precedent provided
for or relating to the Legal Defeasance or the Covenant Defeasance, as applicable, have been
complied with; and

          (8) notwithstanding any other provisions of this Section, such Legal Defeasance or
Covenant Defeasance shall be effected in compliance with any additional

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or substitute terms, conditions or limitations which may be imposed on the Company in
connection therewith pursuant to Section 2.02.

Section 8.05 Deposited Money and Government Securities to be Held in Trust; Other Miscellaneous
Provisions.

          Subject to Section 8.06 hereof, all money, Government Obligations or other property as may be
provided pursuant to Section 2.02 (including the proceeds thereof) deposited with the Trustee (or
other qualifying trustee, collectively for purposes of this Section 8.05, the “Trustee”)
pursuant to Section 8.04 in respect of any Outstanding Securities of any series will be held in
trust and applied by such Trustee, in accordance with the provisions of such Securities and this
Indenture, to the payment, either directly or through any Paying Agent (including the Company
acting as Paying Agent) as such Trustee may determine, to the Holders of such Securities of all
sums due and to become due thereon in respect of principal, premium and Additional Amounts, if any,
and interest, but such money need not be segregated from other funds except to the extent required
by law.

          The Company will pay and indemnify such Trustee against any tax, fee or other charge imposed
on or assessed against the money or non-callable Government Obligations deposited pursuant to
Section 8.04 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.

          Notwithstanding anything in this Article 8 to the contrary, such Trustee will deliver or pay
to the Company from time to time upon the request of the Company any money or non-callable
Government Obligations held by it as provided in Section 8.04 hereof which, in the opinion of a
nationally recognized firm of independent public accountants expressed in a written certification
thereof delivered to such Trustee (which may be the opinion delivered under Section 8.04(1)), are
in excess of the amount thereof that would then be required to be deposited to effect an equivalent
Legal Defeasance or Covenant Defeasance.

Section 8.06 Repayment to the Company.

          Any money deposited with the Trustee or any Paying Agent, or then held by the Company, in
trust for the payment of the principal of, premium or Additional Amounts, if any, or interest on
any Security and remaining unclaimed for two years after such principal, premium or Additional
Amounts, if any, or interest has become due and payable shall be paid to the Company on its request
or (if then held by the Company) will be discharged from such trust; and the Holder of such
Security will thereafter be permitted to look only to the Company for payment thereof, and all
liability of the Trustee or such Paying Agent with respect to such trust money, and all liability
of the Company as trustee thereof, will thereupon cease; provided, however, that the Trustee or
such Paying Agent, before being required to make any such repayment, may at the expense of the
Company cause to be published once, in an Authorized Newspaper, notice that such money remains
unclaimed and that, after a date specified therein, which will not be less than 30 days from the
date of such notification or publication, any unclaimed balance of such money then remaining will
be repaid to the Company.

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Section 8.07 Reinstatement.

          (a) If the Trustee or Paying Agent is unable to apply any money or non-callable Government
Obligations deposited in respect of Securities of or within a series in accordance with Section
8.02 or 8.03, as the case may be, 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 will be revived and reinstated as though no
deposit had occurred pursuant to Section 8.02 or 8.03 hereof until such time as the Trustee or
Paying Agent is permitted to apply all such money in accordance with Section 8.02 or 8.03 hereof,
as the case may be; provided, however, that unless otherwise provided in the Board Resolution or
indenture supplemental hereto pursuant to which such Securities shall have been issued, the
principles set forth in paragraphs (b) and (c) of this Section 8.07 shall apply following such
reinstatement; provided further, however, that if the Company makes any payment of principal of,
premium or Additional Amounts, if any, or interest on any Security following the reinstatement of
its obligations, the Company will be subrogated to the rights of the Holders of such Securities to
receive such payment from the money held by the Trustee or Paying Agent.

          (b) If the Company’s obligations under this Indenture are reinstated as provided in Section
8.07(a), such reinstatement shall be deemed to have occurred as of the date of the deposit of money
or non-callable Government Obligations with the Trustee or the Paying Agent as provided in Section
8.02 or 8.03 except that no Default will be deemed to have occurred solely by reason of a breach
while any such obligation was suspended.

          (c) Neither (1) the continued existence following the reinstatement of the foregoing
obligations of facts and circumstances or obligations that were incurred or otherwise came into
existence while the foregoing obligations were suspended nor (2) the performance of any
such obligations, including the consummation of any transaction pursuant to, and on materially the
same terms as, a contractual agreement in existence prior to the reinstatement of the foregoing
obligations, shall constitute a breach of any such obligations or cause a Default or Event of
Default in respect thereof; provided, however, that (A) the Company and its Subsidiaries
did not incur or otherwise cause such facts and circumstances or obligations to exist in
anticipation of the reinstatement of the foregoing obligations and (B) the Company and its
Subsidiaries did not reasonably believe that such incurrence or actions would result in such
reinstatement. For purposes of clause (2) above, any increase in the consideration to be paid
prior to such amendment or modification to the terms of an existing obligation following the
reinstatement of the foregoing obligations that does not exceed 10% of the consideration that was
to be paid prior to such amendment or modification shall not be deemed a “material” amendment or
modification. For purposes of clauses (A) and (B) above, anticipation and reasonable belief may be
determined by the Company and shall be conclusively evidenced by a Board Resolution to such effect.

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ARTICLE 9

AMENDMENT, SUPPLEMENT AND WAIVER

Section 9.01 Without Consent of Holders of Securities.

               Notwithstanding Section 9.02 of this Indenture, the Company and the Trustee may amend or
supplement this Indenture or the Securities without the consent of any Holder of a Security:

          (1) to cure any ambiguity, defect or inconsistency;

          (2) to provide for uncertificated Securities in addition to or in place of certificated
Securities;

          (3) to provide for the assumption of the Company’s obligations to Holders of Securities
in the case of a merger or consolidation or sale of all or substantially all of the
Company’s assets;

          (4) to add to the covenants of the Company for the benefit of the Holders of all or any
series of Securities (and if such covenants are to be for the benefit of less than all
series of Securities, stating that such covenants are expressly being included solely for
the benefit of that series) or to surrender any right or power herein conferred upon the
Company;

          (5) to add any additional Events of Default for the benefit of the Holders of all or
any series of Securities (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 expressly being
included solely for the benefit of that series); provided, however, that in respect of any
such additional Events of Default such supplemental indenture may provide for a particular
period of grace after default (which period may be shorter or longer than that allowed in
the case of other defaults) or may provide for an immediate enforcement upon such default or
may limit the remedies available to the Trustee upon such default or may limit the right of
the Holders of a majority in aggregate principal amount of that or those series of
Securities to which such additional Events of Default apply to waive such default;

          (6) 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 outstanding
of any series created prior to the execution of such supplemental indenture which is
entitled to the benefit of such provision;

          (7) to establish the form or terms of Securities of any series as permitted by Sections
2.01 and 2.02, including the provisions and procedures relating to Securities convertible
into Capital Stock of the Company;

          (8) 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

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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;

          (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 8.02, 8.03 and 10.01, provided that any such action shall not adversely
affect the interests of the Holders of Securities of that series or any other series of
Securities in any material respect;

          (10) to secure the Securities;

          (11) to make any other change that would provide any additional rights or benefits to
the Holders of Securities or that does not adversely affect the legal rights under this
Indenture of any such Holder; or

          (12) to comply with requirements of the Commission in order to effect or maintain the
qualification of this Indenture under the TIA.

Section 9.02 With Consent of Holders of Securities.

          Except as provided below in this Section 9.02, the Company and the Trustee may amend or
supplement this Indenture and the Securities with the consent of the Holders of at least a majority
in aggregate principal amount of the then Outstanding Securities affected by such amendment or
supplemental indenture voting as a single class (including, without limitation, consents obtained
in connection with a tender offer or exchange offer for, or purchase of, the Securities), and,
subject to Sections 6.04 and 6.07 hereof, any existing Default or Event of Default (other than a
Default or Event of Default in the payment of the principal of, premium or Additional Amounts, if
any, or interest on the Securities, except a payment default resulting from an acceleration that
has been rescinded) or compliance with any provision of this Indenture or the Securities may be
waived generally or in a particular instance with the consent of the Holders of a majority in
aggregate principal amount of the then Outstanding Securities affected thereby voting as a single
class (including consents obtained in connection with a tender offer or exchange offer for, or
purchase of, the Securities).

          However, without the consent of the Holder of each Outstanding Security affected thereby, an
amendment or waiver under this Section 9.02 may not (with respect to any Securities held by a
non-consenting Holder):

          (1) reduce the principal amount of Securities of any series whose Holders must consent
to an amendment, supplement or waiver;

          (2) change the stated maturity of the principal of, or any installment of principal of
or interest on, any Security, or reduce the principal amount thereof or the rate of interest
thereon or any premium payable upon the redemption thereof, or reduce the amount of the
principal of an Original Issue Discount Security that would be due and payable upon a
declaration of acceleration of the maturity thereof pursuant to Section 6.02, or adversely
affect any right of repayment at the option of the Holder of any Security, or reduce the
amount of, or postpone the date fixed for, the payment of any

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sinking fund or analogous obligation, 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, on or after the redemption date), in each case other than the amendment or
waiver in accordance with the terms of this Indenture of any covenant or related definition
included pursuant to Section 2.02 that provides for an offer to repurchase any Securities of
a series upon a sale of assets or change of control transaction;

          (3) waive a Default or Event of Default in the payment of principal of, or interest or
premium, or Additional Amounts, if any, on the Securities of any series (except a rescission
of acceleration of the Securities of that series by the Holders of at least a majority in
aggregate principal amount of the Securities of that series then Outstanding and a waiver of
the payment Default that resulted from such acceleration);

          (4) make any Security payable in a currency or currencies or currency unit or currency
units other than that stated in the Securities;

          (5) make any change in Section 6.04 or 6.07 hereof relating to waivers of past Defaults
or the rights of Holders of Securities to receive payments of principal of, or interest or
premium or Additional Amounts, if any, on the Securities;

          (6) impair the rights of Holders to convert their Securities, if convertible, upon the
terms established pursuant to or in accordance with the provisions of this Indenture; or

          (7) make any change in the amendment and waiver provisions set forth in clauses (1)
through (6) of this Section 9.02.

          Section 2.09 hereof shall determine which Securities are considered to be “Outstanding” for
purposes of this Section 9.02.

          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 Holders of one or more
particular series of Securities, or which modifies the rights of the Holders of Securities of that
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.

          It is not necessary for the consent of the Holders of Securities under this Section 9.02 to
approve the particular form of any proposed amendment or waiver, but it is sufficient if such
consent approves the substance thereof.

          After an amendment, supplement or waiver under this Section 9.02 becomes effective, the
Company will mail to the Holders of Securities affected thereby a notice briefly describing the
amendment, supplement or waiver. Any failure of the Company to mail such notice, or any defect
therein, will not, however, in any way impair or affect the validity of any such amended or
supplemental indenture or waiver.

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Section 9.03 Compliance with Trust Indenture Act.

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

Section 9.04 Revocation and Effect of Consents.

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

Section 9.05 Notation on or Exchange of Securities.

          The Trustee may place an appropriate notation about an amendment, supplement or waiver on any
Outstanding Security thereafter authenticated. The Company in exchange for all Outstanding
Securities of a series may issue and the Trustee shall, upon receipt of an Authentication Order,
authenticate new Securities of that series that reflect the amendment, supplement or waiver.

          Failure to make the appropriate notation or issue a new Security of that series will not
affect the validity and effect of such amendment, supplement or waiver.

Section 9.06 Trustee to Sign Amendments, etc.

          Upon the request of the Company accompanied by Board Resolutions authorizing the execution of
any amended or supplemental indenture, and upon the filing with the Trustee of evidence
satisfactory to the Trustee of the consent of the Holders of Securities as aforesaid, and upon
receipt by the Trustee of the documents described in Section 7.02 hereof, the Trustee will join
with the Company in the execution of an amended or supplemental indenture unless such amended or
supplemental indenture directly affects the Trustee’s own rights, duties, liabilities or immunities
under this Indenture or otherwise, in which case the Trustee may in its discretion, but will not be
obligated to, enter into such amended or supplemental indenture. In executing any amended or
supplemental indenture, the Trustee will be entitled to receive and (subject to Section 7.01
hereof) will be fully protected in relying upon, in addition to the documents required by Section
12.04 hereof, an Officers’ Certificate and an Opinion of Counsel stating that the execution of such
amended or supplemental indenture is authorized or permitted by this Indenture.

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ARTICLE 10

SATISFACTION AND DISCHARGE

Section 10.01 Satisfaction and Discharge.

          This Indenture will be discharged and will cease to be of further effect as to any series of
Securities issued hereunder (except as to any surviving rights of registration of transfer or
exchange of Securities of that series herein expressly provided for and the right to receive
Additional Amounts), when:

          (1) either:

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

               (B) all Securities of that series that have not been delivered to the Trustee
for cancellation have become due and payable by reason of the making of a notice of
redemption or otherwise or will become due and payable within one year and the
Company has irrevocably deposited or caused to be deposited with the Trustee for
Securities of that series as trust funds in trust solely for the benefit of the
Holders, money in such currency or currencies, or currency unit or currency units,
in which such Securities are then specified as payable at maturity, non-callable
Government Obligations applicable to such Securities (determined on the basis of the
currency or currencies, or currency unit or currency units, in which such Securities
are then specified as payable at maturity), or a combination thereof, in such
amounts as will be sufficient without consideration of any reinvestment of interest,
to pay and discharge the entire indebtedness on such Securities not delivered to the
Trustee for cancellation for principal, premium and Additional Amounts, if any, and
accrued interest to the date of maturity or redemption;

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

          (3) the Company has paid or caused to be paid all sums payable by it under this
Indenture with respect to the Securities of that series; and

          (4) the Company has delivered irrevocable instructions to the Trustee for Securities of
that series, to apply the money on deposit in the trust referred to in subclause (B) of
clause (1) above toward the payment of such Securities at maturity or on the redemption
date, as the case may be.

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          In addition, the Company must deliver an Officers’ Certificate and an Opinion of Counsel to
the Trustee for Securities of that series stating that all conditions precedent to satisfaction and
discharge have been satisfied.

          Notwithstanding the satisfaction and discharge of this Indenture in respect of Securities of a
series, if money has been deposited with the Trustee pursuant to subclause (B) of clause (1) of
this Section, the provisions of Section 10.02 and Section 8.06 will survive. In addition, nothing
in this Section 10.01 will be deemed to discharge those provisions of Section 7.07 that, by their
terms, survive the satisfaction and discharge of this Indenture.

Section 10.02 Application of Trust Money.

          Subject to the provisions of Section 8.06, all money deposited with the Trustee in respect of
any Securities pursuant to Section 10.01 shall be held in trust and applied by it, in accordance
with the provisions of such Securities and this Indenture, to the payment, either directly or
through any Paying Agent (including the Company acting as its own Paying Agent) as the Trustee may
determine, to the Persons entitled thereto, of the principal (and premium, if any) and interest and
Additional Amounts for whose payment such money has been deposited with the Trustee; but such money
need not be segregated from other funds except to the extent required by law and Section 2.05.

          If the Trustee or Paying Agent is unable to apply any money or Government Obligations in
accordance with Section 10.01 in respect of any Securities by reason of any legal proceeding or by
reason of any order or judgment of any court or governmental authority enjoining, restraining or
otherwise prohibiting such application, the Company’s obligations under this Indenture and such
Securities shall be revived and reinstated as though no deposit had occurred pursuant to Section
10.01 and the provisions of Section 8.07 shall apply to the extent provided therein.

ARTICLE 11

MISCELLANEOUS

Section 11.01 Trust Indenture Act Controls.

          If any provision of this Indenture limits, qualifies or conflicts with the duties imposed by
TIA § 318(c), the imposed duties will control.

Section 11.02 Notices.

          Any notice or communication by the Company or the Trustee to the others is duly given if in
writing in the English language and delivered in Person or mailed by first class mail (registered
or certified, return receipt requested), telex, telecopier or overnight air courier guaranteeing
next day delivery, to the others’ address:

If to the Company:

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Pharmion Corporation

2525 28th Street

Boulder, Colorado 80301

Telecopier No.: (720) 564-9111

Attention: General Counsel

With a copy to:

Willkie Farr & Gallagher LLP

787 Seventh Avenue

New York, New York 10019-6099

Telecopier No.: (212) 728-8111

Attention: Peter H. Jakes, Esq.

          William H. Gump, Esq.

If to the Trustee:

U.S. Bank National Association

425 Walnut ML CN WN 06 CT

Cincinnati, Ohio 45202

Telecopier No.: (513) 632-5511

Attention: Corporate Trust Administration

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

          All notices and communications (other than those sent to Holders) will be deemed to have been
duly given: at the time delivered by hand, if personally delivered; five Business Days after being
deposited in the mail, postage prepaid, if mailed; when receipt acknowledged, if telecopied; and
the next Business Day after timely delivery to the courier, if sent by overnight air courier
guaranteeing next day delivery.

          Any notice or communication to a Holder will be mailed by first class mail, certified or
registered, return receipt requested, or by overnight air courier guaranteeing next day delivery to
its address shown on the register kept by the Registrar. Any notice or communication will also be
so mailed to any Person described in TIA § 313(c), to the extent required by the TIA. Failure to
mail a notice or communication to a Holder or any defect in it will not affect its sufficiency with
respect to other Holders.

          If a notice or communication is mailed in the manner provided above within the time
prescribed, it is duly given, whether or not the addressee receives it.

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

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Section 11.03 Communication by Holders of Securities with Other Holders of Securities.

          Holders may communicate pursuant to TIA § 312(b) with other Holders with respect to their
rights under this Indenture or the Securities. The Company, the Trustee, the Registrar and anyone
else shall have the protection of TIA § 312(c).

Section 11.04 Certificate and Opinion as to Conditions Precedent.

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

          (1) an Officers’ Certificate in form and substance reasonably satisfactory to the
Trustee (which must include the statements set forth in Section 11.05 hereof) stating that,
in the opinion of the signers, all conditions precedent and covenants, if any, provided for
in this Indenture relating to the proposed action have been satisfied; and

          (2) an Opinion of Counsel in form and substance reasonably satisfactory to the Trustee
(which must include the statements set forth in Section 11.05 hereof) stating that, in the
opinion of such counsel, all such conditions precedent and covenants have been satisfied.

          Notwithstanding the foregoing, in the case of any such request or application as to which the
furnishing of such documents is specifically required by any provision of this Indenture relating
to such particular request or application, no additional certificate or opinion need be furnished
unless specifically required.

Section 11.05 Statements Required in Certificate or Opinion.

          Each certificate or opinion with respect to compliance with a condition or covenant provided
for in this Indenture (other than a certificate provided pursuant to TIA § 314(a)(4)) must comply
with the provisions of TIA § 314(e) and must include:

          (1) a statement that the Person making such certificate or opinion has read such
covenant or condition;

          (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 such Person, he or she has made such
examination or investigation as is necessary to enable him or her to express an informed
opinion as to whether or not such covenant or condition has been satisfied; and

          (4) a statement as to whether or not, in the opinion of such Person, such condition or
covenant has been satisfied.

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Section 11.06 Rules by Trustee and Agents.

          The Trustee may make reasonable rules for action by or at a meeting of Holders. The Registrar
or Paying Agent may make reasonable rules and set reasonable requirements for its functions.

Section 11.07 No Personal Liability of Directors, Officers, Employees and Stockholders.

          No director, officer, employee or stockholder of the Company or any of its Subsidiaries, as
such, will have any liability for any obligations of the Company or any of its Subsidiaries under
the Securities or this Indenture based on, in respect of, or by reason of such obligations or their
creation. Each holder by accepting a Security waives and releases all such liability. The foregoing
waiver and release are an integral part of the consideration for the issuance of the Securities.

Section 11.08 Governing Law.

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

Section 11.09 No Adverse Interpretation of Other Agreements.

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

Section 11.10 Successors.

          All agreements of the Company in this Indenture and the Securities will bind its successors.
All agreements of the Trustee in this Indenture will bind its successors.

Section 11.11 Severability.

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

Section 11.12 Counterpart Originals.

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

55

 

Section 11.13 Table of Contents, Headings, etc.

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

Section 11.14 Benefits of Indenture.

          Nothing in this Indenture or the Securities express or implied, shall give to any Person,
other than the parties hereto and their successors hereunder and the Holders, any benefit or an
legal or equitable right, remedy or claim under this Indenture.

Section 11.15 Legal Holidays.

          In any case where any Interest Payment Date, redemption date, purchase date or stated maturity
of any Security shall not be a Business Day at any Place of Payment, then (notwithstanding any
other provision of this Indenture or of such Security (other than a provision of such Security
which specifically states that such provision shall apply in lieu of this Section)) payment of
interest or principal (and premium, if any) need not be made at such Place of Payment on such date,
but may be made on the next succeeding Business Day at such Place of Payment with the same force
and effect as if made on the Interest Payment Date, redemption date or purchase date, or at the
stated maturity, and no interest shall accrue for the intervening period.

Section 11.16 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. Except as herein otherwise expressly provided, such action shall become
effective when such instrument or instruments are delivered to the Trustee and, where it is hereby
expressly required, to the Company. Such instrument or instruments (and the action embodied
therein and evidenced thereby) are herein sometimes referred to as the “act” of the Holders signing
such instrument or instruments. 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 Trustee and the Company and any agent
of the Trustee or the Company, if made in the manner provided in this Section.

          (b) The fact and date of the execution of any such instrument or writing, or the authority of
the Person executing the same, may be proved in any reasonable manner which the Trustee deems
sufficient.

          (c) The ownership of Securities shall be proved by the register maintained by the Registrar.

56

 

          (d) If the Company shall solicit from the Holders of Securities any request, demand,
authorization, direction, notice, consent, waiver or other act, the Company may, at its option, in
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 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 purpose 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.

          (e) 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 Trustee, any Registrar,
any Paying Agent, any authenticating agent or the Company in reliance thereon, whether or not
notation of such action is made upon such Security.

SIGNATURES

Dated as of                     , 20___

	 	 	 	 	 
	 	 	Pharmion Corporation
	 
	 	 	 	 
	 

	 	By:	 	 
	 

	 	 	 	 
	 

	 	 	 	Name:
	 

	 	 	 	Title:
	 
	 	 	 	 
	 	 	TRUSTEE:
	 
	 	 	 	 
	 	 	U.S. Bank National Association
	 
	 	 	 	 
	 

	 	By:	 	 
	 

	 	 	 	 
	 

	 	 	 	Name:
	 

	 	 	 	Title:

57exv4w5

 

Exhibit 4.5

Pharmion Corporation

 

INDENTURE

Dated as of ___, 20___

Subordinated Debt Securities

 

U.S. Bank National Association,

Trustee

 

 

CROSS-REFERENCE TABLE*

	 	 	 	 	 
	Trust Indenture	 	 	 	 
	Act Section	 	 	 	Indenture Section
	310(a)(1)	 	 
	 	7.10
	      (a)(2)	 	 
	 	7.10
	      (a)(3)	 	 
	 	N.A.
	      (a)(4)	 	 
	 	N.A.
	      (a)(5)	 	 
	 	7.10
	      (b)	 	 
	 	7.10
	      (c)	 	 
	 	N.A.
	311(a)	 	 
	 	7.11
	      (b)	 	 
	 	7.11
	      (c)	 	 
	 	N.A.
	312(a)	 	 
	 	2.06
	      (b)	 	 
	 	12.03
	      (c)	 	 
	 	12.03
	313(a)	 	 
	 	2.06, 7.06
	      (b)(2)	 	 
	 	7.06; 7.07
	      (c)	 	 
	 	4.03, 7.06; 12.02
	      (d)	 	 
	 	7.06
	314(a)	 	 
	 	4.03
	      (a)(4)	 	 
	 	12.05
	      (c)(1)	 	 
	 	N.A.
	      (c)(2)	 	 
	 	N.A.
	      (c)(3)	 	 
	 	N.A.
	      (e)	 	 
	 	12.05
	      (f)	 	 
	 	N.A.
	315(a)	 	 
	 	2.03
	      (b)	 	 
	 	2.03
	      (c)	 	 
	 	2.03
	      (d)	 	 
	 	2.03
	      (e)	 	 
	 	N.A.
	316(a)(last sentence)	 	 
	 	N.A.
	      (a)(1)(A)	 	 
	 	N.A.
	      (a)(1)(B)	 	 
	 	N.A.
	      (a)(2)	 	 
	 	N.A.
	      (b)	 	 
	 	N.A.
	      (c)	 	 
	 	12.16
	317(a)(1)	 	 
	 	N.A.
	      (a)(2)	 	 
	 	N.A.
	      (b)	 	 
	 	N.A.
	318(a)	 	 
	 	N.A.
	      (b)	 	 
	 	N.A.
	      (c)	 	 
	 	12.01

N.A. means not applicable.

* This Cross Reference Table is not part of this Indenture.

 

TABLE OF CONTENTS

	 	 	 	 	 
	 	 	Page
	 
	 	 	 	 
	ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE
	 	 	1	 
	Section 1.01 Definitions
	 	 	1	 
	Section 1.02 Other Definitions
	 	 	8	 
	Section 1.03 Incorporation by Reference of
Trust Indenture Act
	 	 	8	 
	Section 1.04 Rules of Construction
	 	 	9	 
	 
	 	 	 	 
	ARTICLE 2 THE SECURITIES
	 	 	9	 
	Section 2.01 Form, Dating and Denominations
	 	 	9	 
	Section 2.02 Amount Unlimited; Issuable in
Series
	 	 	10	 
	Section 2.03 Execution and Authentication
	 	 	14	 
	Section 2.04 Registrar and Paying Agent
	 	 	15	 
	Section 2.05 Paying Agent to Hold Money in
Trust
	 	 	15	 
	Section 2.06 Holder Lists
	 	 	15	 
	Section 2.07 Transfer and Exchange
	 	 	16	 
	Section 2.08 Replacement Securities
	 	 	20	 
	Section 2.09 Outstanding Securities
	 	 	21	 
	Section 2.10 Treasury Securities
	 	 	22	 
	Section 2.11 Temporary Securities
	 	 	22	 
	Section 2.12 Cancellation
	 	 	22	 
	Section 2.13 Defaulted Interest
	 	 	22	 
	 
	 	 	 	 
	ARTICLE 3 REDEMPTION AND PREPAYMENT
	 	 	23	 
	Section 3.01 Applicability of Article
	 	 	23	 
	Section 3.02 Notices to Trustee
	 	 	23	 
	Section 3.03 Selection of Securities to Be
Redeemed
	 	 	23	 
	Section 3.04 Notice of Redemption
	 	 	24	 
	Section 3.05 Effect of Notice of Redemption
	 	 	25	 
	Section 3.06 Deposit of Redemption or
Purchase Price
	 	 	25	 
	Section 3.07 Securities Redeemed or
Purchased in Part
	 	 	26	 
	Section 3.08 Conversion Arrangement on Call
for Redemption
	 	 	26	 
	ARTICLE 4 COVENANTS
	 	 	27	 
	Section 4.01 Payment of Securities
	 	 	27	 
	Section 4.02 Maintenance of Office or
Agency
	 	 	27	 
	Section 4.03 Reports
	 	 	28	 
	Section 4.04 Compliance Certificate
	 	 	28	 
	Section 4.05 Additional Amounts
	 	 	29	 
	Section 4.06 Corporate Existence
	 	 	29	 

i

 

	 	 	 	 	 
	 	 	Page
	 
	ARTICLE 5 SUCCESSORS
	 	 	30	 
	Section 5.01 Merger, Consolidation, or Sale
of Assets
	 	 	30	 
	Section 5.02 Successor Substituted
	 	 	30	 
	 
	 	 	 	 
	ARTICLE 6 DEFAULTS AND REMEDIES
	 	 	31	 
	Section 6.01 Events of Default
	 	 	31	 
	Section 6.02 Acceleration
	 	 	32	 
	Section 6.03 Other Remedies
	 	 	33	 
	Section 6.04 Waiver of Past Defaults
	 	 	33	 
	Section 6.05 Control by Majority
	 	 	33	 
	Section 6.06 Limitation on Suits
	 	 	34	 
	Section 6.07 Rights of Holders of
Securities to Receive Payment
	 	 	34	 
	Section 6.08 Collection Suit by Trustee
	 	 	34	 
	Section 6.09 Trustee May File Proofs of
Claim
	 	 	35	 
	Section 6.10 Priorities
	 	 	35	 
	Section 6.11 Undertaking for Costs
	 	 	36	 
	 
	 	 	 	 
	ARTICLE 7 TRUSTEE
	 	 	36	 
	Section 7.01 Duties of Trustee
	 	 	36	 
	Section 7.02 Rights of Trustee
	 	 	37	 
	Section 7.03 Individual Rights of Trustee
	 	 	38	 
	Section 7.04 Trustee’s Disclaimer
	 	 	38	 
	Section 7.05 Notice of Defaults
	 	 	38	 
	Section 7.06 Reports by Trustee to Holders
of the Securities
	 	 	38	 
	Section 7.07 Compensation and Indemnity
	 	 	39	 
	Section 7.08 Replacement of Trustee
	 	 	40	 
	Section 7.09 Successor Trustee by Merger,
etc.
	 	 	41	 
	Section 7.10 Eligibility; Disqualification
	 	 	42	 
	Section 7.11 Preferential Collection of
Claims Against the Company
	 	 	42	 
	 
	 	 	 	 
	ARTICLE 8 LEGAL DEFEASANCE AND COVENANT DEFEASANCE
	 	 	42	 
	Section 8.01 Applicability of Article;
Option to Effect Legal
Defeasance or Covenant
Defeasance
	 	 	42	 
	Section 8.02 Legal Defeasance and Discharge
	 	 	42	 
	Section 8.03 Covenant Defeasance
	 	 	43	 
	Section 8.04 Conditions to Legal or
Covenant Defeasance
	 	 	43	 
	Section 8.05 Deposited Money and Government
Securities to be Held in
Trust; Other Miscellaneous
Provisions
	 	 	45	 
	Section 8.06 Repayment to the Company
	 	 	45	 
	Section 8.07 Reinstatement
	 	 	46	 
	 
	 	 	 	 
	ARTICLE 9 AMENDMENT, SUPPLEMENT AND WAIVER
	 	 	47	 
	Section 9.01 Without Consent of Holders of
Securities
	 	 	47	 
	Section 9.02 With Consent of Holders of
Securities
	 	 	48	 

ii

 

	 	 	 	 	 
	 	 	Page
	 
	Section 9.03 Compliance with Trust
Indenture Act
	 	 	50	 
	Section 9.04 Revocation and Effect of
Consents
	 	 	50	 
	Section 9.05 Notation on or Exchange of
Securities
	 	 	50	 
	Section 9.06 Trustee to Sign Amendments,
etc.
	 	 	50	 
	 
	 	 	 	 
	ARTICLE 10 SATISFACTION AND DISCHARGE
	 	 	51	 
	Section 10.01 Satisfaction and Discharge
	 	 	51	 
	Section 10.02 Application of Trust Money
	 	 	52	 
	 
	 	 	 	 
	ARTICLE 11 SUBORDINATION OF SECURITIES
	 	 	52	 
	Section 11.01 Securities Subordinated to
Senior Indebtedness
	 	 	52	 
	Section 11.02 When Distribution Must Be Paid
Over
	 	 	54	 
	Section 11.03 Subrogation
	 	 	54	 
	Section 11.04 Obligation of the Company
Unconditional
	 	 	55	 
	Section 11.05 Payments on Securities
Permitted
	 	 	55	 
	Section 11.06 Effectuation of Subordination
by Trustee
	 	 	55	 
	Section 11.07 Knowledge of Trustee
	 	 	55	 
	Section 11.08 Trustee May Hold Senior
Indebtedness
	 	 	56	 
	Section 11.09 Rights of Holders of Senior
Indebtedness Not Impaired
	 	 	56	 
	 
	 	 	 	 
	ARTICLE 12 MISCELLANEOUS
	 	 	56	 
	Section 12.01 Trust Indenture Act Controls
	 	 	56	 
	Section 12.02 Notices
	 	 	56	 
	Section 12.03 Communication by Holders of
Securities with Other Holders
of Securities
	 	 	58	 
	Section 12.04 Certificate and Opinion as to
Conditions Precedent
	 	 	58	 
	Section 12.05 Statements Required in
Certificate or Opinion
	 	 	58	 
	Section 12.06 Rules by Trustee and Agents
	 	 	59	 
	Section 12.07 No Personal Liability of
Directors, Officers,
Employees and Stockholders
	 	 	59	 
	Section 12.08 Governing Law
	 	 	59	 
	Section 12.09 No Adverse Interpretation of
Other Agreements
	 	 	59	 
	Section 12.10 Successors
	 	 	59	 
	Section 12.11 Severability
	 	 	59	 
	Section 12.12 Counterpart Originals
	 	 	59	 
	Section 12.13 Table of Contents, Headings,
etc.
	 	 	60	 
	Section 12.14 Benefits of Indenture
	 	 	60	 
	Section 12.15 Legal Holidays
	 	 	60	 
	     Section 12.16 Acts of Holders
	 	 	60	 

iii

 

          INDENTURE, dated as of ___, 20___, between Pharmion Corporation, a Delaware corporation,
and U.S. Bank National Association, as trustee (the “Trustee”).

          The Company, as sole issuer, deems it necessary to issue from time to time for its lawful
purposes subordinated debt securities (the “Securities”) evidencing its unsecured and
subordinated indebtedness, and has duly authorized the execution and delivery of this Indenture to
provide for the issuance from time to time of the Securities, unlimited as to principal amount, to
bear interest at such rate or pursuant to such formula, to mature at such times and to have such
other provisions as shall be fixed as hereinafter provided.

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

ARTICLE 1

DEFINITIONS AND INCORPORATION BY REFERENCE

Section 1.01 Definitions.

          “Additional Amounts” means, when used with respect to a Security of a series issued with the
benefits provided by Section 4.05, as specified as contemplated by Section 2.02, all additional
interest then owing pursuant to said Section 4.05 and the Board Resolution or indenture
supplemental hereto under which such Security shall be issued.

          “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
purposes of this definition, “control,” as used with respect to any Person, means the possession,
directly or indirectly, of the power to direct or cause the direction of the management or policies
of such Person, whether through the ownership of voting securities, by agreement or otherwise. For
purposes of this definition, the terms “controlling,” “controlled by” and “under common control
with” have correlative meanings.

          “Agent” means any Registrar, co-registrar, Paying Agent or additional paying agent.

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

          “Authorized Newspaper” means a newspaper, printed in the English language or in an official
language of the country of publication, customarily published on each Business Day, whether or not
published on Saturdays, Sundays or holidays, and of general circulation in each place in connection
with which the term is used or in the financial community of each such place. Whenever successive
publications are required to be made in Authorized Newspapers, the successive publications may be
made in the same or in different Authorized Newspapers in the same city meeting the foregoing
requirements and in each case on any Business Day.

 

          “Bankruptcy Law” means Title 11, U.S. Code or any similar federal or state law for the relief
of debtors.

          “Board of Directors” means:

     (1) with respect to a corporation, the Board of Directors of the corporation;

     (2) with respect to a partnership, the Board of Directors of the general
partner of the partnership or the board or committee of the general partner of the
partnership serving a similar function; and

     (3) with respect to any other Person, the board or committee of such Person
serving a similar function.

          “Board Resolutions” means a copy of resolutions certified by the Secretary or an Assistant
Secretary of the Company to have been duly adopted by the Board of Directors of the Company and to
be in full force and effect on the date of such certification, and delivered to the Trustee.

          “Business Day” means, when used with respect to any Place of Payment or any other particular
location referred to in this Indenture or in the Securities, unless otherwise specified with
respect to any Securities as contemplated by Section 2.02, any day, other than a Saturday or
Sunday, that is neither a legal holiday nor a day on which banking institutions in that Place of
Payment or particular location are authorized or required by law, regulation or executive order to
close.

          “Capital Stock” means, with respect to any entity, any capital stock (including preferred
stock), shares, interests, participation or other ownership interests (however designated) of such
entity and any rights (other than debt securities convertible into or exchangeable for capital
stock), warrants or options to purchase any thereof; provided, however, that leases of real
property that provide for contingent rent based on the financial performance of the tenant shall
not be deemed to be Capital Stock.

          “Capitalized Lease Obligation” means, at the time any determination is to be made, the amount
of the liability in respect of a capital lease that would at that time be required to be
capitalized on a balance sheet in accordance with GAAP.

          “Clearstream” means Clearstream Banking, S.A., or its successor.

          “Commission” means the Securities and Exchange Commission.

          “Common Stock” means the common stock, par value $0.001 per share, of the Company.

          “Company” means, when used with respect to Securities of any series, Pharmion Corporation, a
Delaware corporation, and all respective successors thereto.

2

 

          “Corporate Trust Office of the Trustee” will be at the address of the Trustee specified in
Section 13.02 hereof or such other address as to which the Trustee may give notice to the Company.

          “Custodian” means the Trustee, as custodian with respect to the Securities in global form, or
any successor entity thereto.

          “Debt” of the Company or any of its Subsidiaries means, without duplication, any indebtedness
of the Company or any Subsidiary of the Company, whether or not contingent, in respect of:

     (1) borrowed money or evidenced by bonds, notes, debentures or similar
instruments;

     (2) indebtedness for borrowed money secured by any encumbrance existing on
property owned by the Company or its Subsidiaries, to the extent of the lesser of
(x) the amount of indebtedness so secured or (y) the Fair Market
Value of the property subject to such encumbrance;

     (3) the reimbursement obligations in connection with any letters of credit
actually drawn or amounts representing the balance deferred and unpaid of the
purchase price of any property or services, except any such balance that constitutes
an accrued expense, trade payable, conditional sale obligations or obligations under
any title retention agreement;

     (4) the principal amount of all obligations of the Company and its Subsidiaries
with respect to redemption, repayment or other repurchase of any Disqualified Stock;

     (5) any lease of property by the Company or any of its Subsidiaries as lessee
which is reflected on the Company’s or such Subsidiaries’ consolidated balance sheet
as a Capitalized Lease Obligation, to the extent, in the case of items of
indebtedness under clauses (1) through (5) above, that any such items would appear
as a liability on the Company’s or such Subsidiaries’ consolidated balance sheet in
accordance with GAAP; or

     (6) the liquidation preference of any Disqualified Stock of the Company or of
any shares of preferred stock of any of its Subsidiaries.

          Debt also includes, to the extent not otherwise included, any obligation by the Company and
its Subsidiaries to be liable for, or to pay, as obligor, guarantor or otherwise (other than for
purposes of collection in the ordinary course of business), Debt of another Person (other than the
Company or any of its Subsidiaries); it being understood that Debt shall be deemed to be incurred
by the Company or any of its Subsidiaries whenever the Company or such Subsidiary shall create,
assume, guarantee or otherwise become liable in respect thereof.

          Debt shall not include (a) Debt arising from agreements of the Company or any of its
Subsidiaries providing for indemnification, adjustment or holdback of purchase price or
 

3

 

similar obligations, in each case, incurred or assumed in connection with the acquisition or
disposition of any business, assets or a Subsidiary, other than guarantees of Debt incurred by any
Person acquiring all or any portion of such business, assets or Subsidiary for the purpose of
financing such acquisition or (b) contingent obligations under performance bonds,
performance guarantees, surety bonds, appeal bonds or similar obligations incurred in the ordinary
course of business and consistent with past practices. In the case of Debt as of any date issued
with original issue discount, the amount of such Debt shall be the accreted value thereof as of
such date.

          “Default” means any event that is, or with the passage of time or the giving of notice or both
would be, an Event of Default.

          “Definitive Security” means a certificated Security registered in the name of the Holder
thereof and issued in accordance with Section 2.07, substantially in the form established in one or
more indentures supplemental hereto or pursuant to Board Resolutions in accordance with Section
2.02 except that such Security shall not bear the Global Security Legend and shall not have any
related schedule of exchanges of interests in the global security attached thereto.

          “Depositary” means, with respect to the Securities issuable or issued in whole or in part in
global form, the Person specified in Section 2.04 hereof as the Depositary with respect to the
Securities, and any and all successors thereto appointed as depositary hereunder and having become
such pursuant to the applicable provision of this Indenture.

          “Disqualified Stock”, when used with respect to Securities of any series, shall have the
meaning given to such term in the Board Resolution or indenture supplemental hereto pursuant to
which the Securities of that series shall be issued.

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

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

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

          “Fair Market Value” means, with respect to any asset, the price (after taking into account any
liabilities relating to such assets) which could be negotiated in an arm’s-length free market
transaction between a willing seller and a willing buyer, neither of which is under pressure or
compulsion to complete the transaction. Fair Market Value shall be determined by the Board of
Directors of the Company in good faith.

          “Foreign Currency” means any currency, currency unit or composite currency issued by the
government of one or more countries other than the United States of America or by any recognized
confederation or association of such governments.

          “GAAP” means generally accepted accounting principles set forth in the opinions and
pronouncements of the Accounting Principles Board of the American Institute of Certified

4

 

Public Accountants and statements and pronouncements of the Financial Accounting Standards
Board or in such other statements by such other entity as have been approved by a significant
segment of the accounting profession, which are in effect on the date of determination.

          “Global Security” means a permanent global Security substantially in the form of established
by one or more indentures supplemental hereto or pursuant to Board Resolutions in accordance with
Section 2.02 that bears the Global Security Legend and that has a schedule of exchanges of
interests in the Global Security attached thereto, and that is deposited with or on behalf of and
registered in the name of the Depositary.

          “Global Security Legend” means the legend set forth in Section 2.07(f), which is required to
be placed on all Global Securities issued under this Indenture.

          “Government Obligations” means securities which are (1) direct obligations of the
United States of America or the government which issued the Foreign Currency in which the
Securities of a particular series are payable, for the payment of which its full faith and credit
is pledged or (2) obligations of a Person controlled or supervised by and acting as an
agency or instrumentality of the United States of America or such government which issued the
Foreign Currency in which the Securities of that series are payable, the payment of which is
unconditionally guaranteed as a full faith and credit obligation by the United States of America or
such other government, which, in either case, are not callable or redeemable at the option of the
issuer thereof, and shall also include a depository 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 depository 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 depository receipt from any amount
received by the custodian in respect of the Government Obligation or the specific payment of
interest on or principal of the Government Obligation evidenced by such depository receipt.

          “Guarantee” means a guarantee other than by endorsement of negotiable instruments for
collection in the ordinary course of business, direct or indirect, in any manner including, without
limitation, by way of a pledge of assets or through letters of credit or reimbursement agreements
in respect thereof, of all or any part of any Debt.

          “Holder” means a Person in whose name a Security is registered.

          “incur” means issue, create, assume, guarantee, incur or otherwise become liable for. Neither
the accrual of interest nor the accretion of original issue discount shall be deemed to be an
incurrence of Debt. The term “incurrence” when used as a noun shall have a correlative meaning.

          “Indenture” means this Indenture, as amended or supplemented from time to time 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 2.02;
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

5

 

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 or
those particular series of Securities for which such Person is Trustee established as contemplated
by Section 2.02, exclusive, however, of any provisions or terms which relate solely to other series
of Securities for which such Person is 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 maturity may be more or less than the principal face amount thereof at original
issuance.

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

          “interest” means, when used with respect to an Original Issue Discount Security which by its
terms bears interest only after maturity, interest payable after maturity, and, when used with
respect to a Security which provides for the payment of Additional Amounts, includes such
Additional Amounts.

          “Interest Payment Date” has the meaning set forth in the Securities.

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

          “Officer” means, with respect to any Person, the Chairman of the Board, the Chief Executive
Officer, the President, the Chief Operating Officer, the Chief Financial Officer, the Chief
Investment Officer, the Treasurer, any Assistant Treasurer, the Controller, the Secretary or any
Vice-President of such Person.

          “Officers’ Certificate” means a certificate signed on behalf of the Company by two Officers of
the Company, one of whom must be the principal executive officer, the principal financial officer,
the principal investment officer, the treasurer or the principal accounting officer of the Company,
that meets the requirements of Section 2.03, 8.04 or 13.05, as applicable.

          “Opinion of Counsel” means an opinion from legal counsel who is reasonably acceptable to the
Trustee, that meets the requirements of Section 2.03, 8.04 or 13.05, as applicable. The counsel
may be an employee of or counsel to the Company, any Subsidiary of the Company or the Trustee.

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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.

          “Outstanding”, when used with respect to Securities of a series, shall have the meaning
ascribed thereto in Section 2.09.

          “Participant” means, with respect to the Depositary, Euroclear or Clearstream, a Person who
has an account with the Depositary, Euroclear or Clearstream, respectively (and, with respect to
DTC, shall include Euroclear and Clearstream).

          “Person” means any individual, corporation, partnership, joint venture, real estate investment
trust, association, joint-stock company, trust, unincorporated organization, limited liability
company or government or other entity.

          “Place of Payment” means, when used with respect to the Securities of or within any series,
the place or places where the principal of (and premium, if any) and interest on such Securities
are payable as specified as contemplated by Section 2.02.

          “Record Date” has the meaning set forth in the Securities.

          “Responsible Officer,” when used with respect to the Trustee, means any officer within the
Corporate Trust Administration of the Trustee (or any successor group of the Trustee) or any other
officer of the 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 Act” means the Securities Act of 1933, as amended.

          “Security” has the meaning stated in the preamble to this Indenture and, more particularly,
means any Security or 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 this Indenture as to which such Person is Trustee shall have the
meaning stated in the preamble to 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.

          “Senior Indebtedness” means (1) the principal of and premium, if any, and unpaid interest on
and additional amounts in respect of indebtedness for money borrowed, (2) purchase money and
similar obligations, (3) obligations under capital leases, (4) guarantees, assumptions or purchase
commitments relating to, or other transactions as a result of which the Company is responsible for
the payment of, such indebtedness of others, (5) renewals, extensions and refundings of any such
indebtedness, (6) interest or obligations in respect of any such indebtedness accruing after the
commencement of any insolvency or bankruptcy proceedings, and (7) obligations associated with
derivative products such as interest rate and currency exchange contracts, foreign exchange
contracts, commodity contracts, and similar arrangements, unless, in each case, the instrument by
which the Company incurred, assumed or guaranteed the
 

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indebtedness or obligations described in clauses (1) through (7) hereof expressly provides
that such indebtedness or obligation is subordinate or junior in right of payment to any other
indebtedness or obligations of the Company.

          “Significant Subsidiary” means any Subsidiary that would be a “significant subsidiary” as
defined in Article 1, Rule 1-02(w) of Regulation S-X, promulgated pursuant to the Securities Act,
as such Regulation is in effect on the date of this Indenture.

          “Subsidiary” means, for any Person, any corporation or other entity of which a majority of the
Voting Stock is owned, directly or indirectly, by such Person or one or more other Subsidiaries of
such Person.

          “TIA” means the Trust Indenture Act of 1939 (15 U.S.C. §§ 77aaa-77bbbb), as amended, as in
effect on the date on which this Indenture is qualified under the TIA.

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

          “Voting Stock” of any Person as of any date means the Capital Stock of such Person that is at
the time entitled to vote in the election of the Board of Directors of such Person.

Section 1.02 Other Definitions.

	 	 	 	 	 
	Term	 	Defined in Section
	“Authentication Order”
	 	 	2.03	 
	“Covenant Defeasance”
	 	 	8.03	 
	“DTC”
	 	 	2.04	 
	“Event of Default”
	 	 	6.01	 
	“Legal Defeasance”
	 	 	8.02	 
	“Paying Agent”
	 	 	2.04	 
	“Registrar”
	 	 	2.04	 

Section 1.03 Incorporation by Reference of Trust Indenture Act.

          Whenever this Indenture refers to a provision of the TIA, the provision is incorporated by
reference in and made a part of this Indenture.

          The following TIA terms used in this Indenture have the following meanings:

          “indenture securities” means the Securities;

          “indenture security holder” means a Holder of a Security;

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          “indenture to be qualified” means this Indenture;

          “indenture trustee” or “institutional trustee” means the Trustee; and

          “obligor” on the Securities means the Company and any successor obligor upon the Securities.

          All other terms used in this Indenture that are defined by the TIA, defined by TIA reference
to another statute or defined by Commission rule under the TIA have the meanings so assigned to
them.

Section 1.04 Rules of Construction.

          Unless the context otherwise requires:

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

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

     (3) “or” is not exclusive;

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

     (5) “will” shall be interpreted to express a command;

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

     (7) references to sections of or rules under the Securities Act will be deemed to
include substitute, replacement of successor sections or rules adopted by the Commission
from time to time.

ARTICLE 2

THE SECURITIES

Section 2.01 Form, Dating and Denominations.

          (a) General. The Securities of each series will be substantially in such forms as shall be
established in one or more indentures supplemental hereto or approved from time to time by or
pursuant to Board Resolutions in accordance with Section 2.02, shall have such appropriate
insertions, omissions, substitutions and other variations as are required or permitted by this
Indenture or any indenture supplemental hereto, and may have such letters, numbers or other marks
of identification or designation and such legends or endorsements placed thereon as the Company may
deem appropriate and as are not inconsistent with the provisions of this Indenture, or as may be
required to comply with any law or with any rule or regulation made pursuant thereto or with any
rule or regulation of any stock exchange on which the Securities

9

 

may be listed, or to conform to usage. Each Security will be dated the date of its
authentication. Except as specified as contemplated by Section 2.02 in respect of Securities of
any series, the Securities shall be in denominations of $1,000 and integral multiples thereof.

          The terms and provisions contained in the Securities will constitute, and are hereby expressly
made, a part of this Indenture and the Company and the Trustee, by their execution and delivery of
this Indenture, expressly agree to such terms and provisions and to be bound thereby. However, to
the extent any provision of any Security conflicts with the express provisions of this Indenture,
the provisions of this Indenture shall govern and be controlling.

     (b) Form of Trustee’s Certificate of Authentication. Subject to Section 2.03, the Trustee’s
certificate of authentication shall be in substantially the following form:

     This is one of the Securities of the series
designated therein referred to in the
within-mentioned Indenture.

U.S. BANK NATIONAL ASSOCIATION,

as Trustee

	 	 	 	 	 
	 	 	 
	 	By:  	
 	 
	 	 	Authorized Signatory 	 
	 	 	 	 
	 

     (c) Global Securities. If Securities of or within a series are issued in global form, as
specified as contemplated by Section 2.02, then, notwithstanding the provisions of paragraph (a) of
this Section 2.01 and clause (9) of Section 2.02, any such Security shall represent such of the
Outstanding Securities of that series as shall be specified therein and shall include the Global
Securities Legend and a related schedule of exchanges of interests in the Global Securities
attached thereto. Securities issued in definitive form will not include such legend or schedule.
Each Global Security may provide that it shall represent the Outstanding Securities as will be
specified therein and each shall provide that it represents the aggregate principal amount of
Outstanding Securities from time to time endorsed thereon and that the aggregate principal amount
of Outstanding Securities represented thereby may from time to time be reduced or increased, as
appropriate, to reflect exchanges and redemptions. Any endorsement of a Global Security to reflect
the amount of any increase or decrease in the aggregate principal amount of Outstanding Securities
represented thereby will be made by the Trustee or the Custodian, at the direction of the Trustee,
in accordance with instructions given by the Holder thereof as required by Section 2.07 hereof.

Section 2.02 Amount Unlimited; Issuable in Series.

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

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          The Securities may be issued in one or more series. 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 2.03, set forth, 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), (3) and (14) below), if so provided, may be determined from time to time
by the Company with respect to unissued Securities of the series when issued from time to time):

     (1) the identity of the issuer;

     (2) the title of the Securities of the series (which shall distinguish the Securities
of that series from all other series of Securities);

     (3) any limit upon 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 in lieu of, other
Securities of the series pursuant to Section 2.07, 2.08, 2.11, 3.07 or 9.05);

     (4) 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 shall be payable;

     (5) the rate or rates at which the Securities of the series shall bear interest, 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 will be payable, and the basis
upon which interest shall be calculated if other than that of a 360-day year of twelve
30-day months;

     (6) 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), interest, if any, on,
and Additional Amounts, if any, payable in respect of, Securities of the series shall be
payable, Securities of the series may be surrendered for registration of transfer,
Securities of the series may be surrendered for exchange or conversion and notices or
demands to or upon the Company in respect of the Securities of the series and this Indenture
may be served;

     (7) the period or periods within which, the price or prices at 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 the option;

     (8) 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 or the date or dates on which, the price or
prices at which, and other terms and conditions upon which Securities of the series shall be
redeemed, repaid or purchased, in whole or in part, pursuant to such obligation;

11

 

     (9) if other than denominations of $1,000 and any integral multiple thereof, the
denominations in which any Securities of the series shall be issuable;

     (10) the identity of the Trustee, if other than U.S. Bank National Association, and
the identity of each Registrar and/or Paying Agent, if other than the Trustee;

     (11) 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, if applicable, the portion of the principal
amount of Securities of the series that is convertible in accordance with the provisions of
this Indenture or the method by which such portion shall be determined;

     (12) whether the amount of payments of principal of (and 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, currency units, composite currencies, commodities, equity indices or
other indices), and the manner in which such amounts shall be determined;

     (13) provisions, if any, granting special rights to the Holders of Securities of the
series upon the occurrence of such events as may be specified;

     (14) any deletions from, modifications of or additions to the Events of Default or
covenants 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;

     (15) whether any Securities of the series are to be issuable initially in temporary
global form and the date as of which 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, and whether any Securities of the series are to
be issuable in permanent global form and, if so, whether owners of beneficial interests in
any such permanent global Security may exchange such interests for Definitive Securities of
that series of like tenor of any authorized form and denomination or transfer such
beneficial interest to a Person who takes delivery thereof in the form of a Definitive
Security and vice versa and if so, the circumstances under which any such exchange or
transfer may occur, if other than in the manner provided in Section 2.07 and the identity of
the Depositary;

     (16) the Person to whom any interest on any 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 Record Date for such interest 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;

     (17) the applicability, if any, of Sections 8.02 and/or 8.03 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 8;

12

 

     (18) if the Securities of that series are to be issuable in definitive form (whether
upon original issue or upon exchange of a temporary Security of that series) only upon
receipt of certain certificates or other documents or satisfaction of other conditions, then
the form and/or terms of such certificates, documents or conditions;

     (19) if the Securities of the series are to be issued upon the exercise of warrants,
the time, manner and place for such Securities to be authenticated and delivered;

     (20) whether and under what circumstances the Company will pay Additional Amounts as
contemplated by Section 4.05 on the Securities of the series to any Holder who 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);

     (21) the obligation, if any, of the Company to permit the conversion of the Securities
of that series into Capital Stock of the Company, and the terms and conditions upon which
such conversion shall be effected (including, without limitation, the initial conversion
price or rate, the conversion period, any adjustment of the applicable conversion price, any
requirements relative to hedging arrangements and reservation of shares for purposes of
conversion and any other provision in addition to or in lieu of those set forth in this
Indenture or any indenture supplemental hereto relative to such obligation);

     (22) if other than U.S. Dollars, the foreign currency in which payment of the principal
of, premium (if any), interest and Additional Amounts (if any) on the Securities of that
series shall be payable or in which such Securities shall be denominated and the particular
provisions applicable thereto; and

     (23) any other terms of the series (which terms shall not be inconsistent with the
provisions of this Indenture).

          All Securities of any one series shall be substantially identical except as to denomination
and except as may otherwise be provided in or pursuant to such Board Resolution (subject to Section
2.03) and set forth in such Officers’ Certificate or in any such indenture supplemental hereto.
All Securities of any one series need not be issued at the same time and, unless otherwise
provided, a series may be reopened, without the consent of the Holders, for issuances of additional
Securities of that series.

          If any of the terms of the Securities of any series are established by action taken pursuant
to one or more Board Resolutions, a copy of an appropriate record of such action(s) shall be
certified by the Secretary or an Assistant Secretary of the Company and delivered to the Trustee at
or prior to the delivery of the Officers’ Certificate setting forth the terms of the Securities of
that series.

13

 

Section 2.03 Execution and Authentication.

          Two Officers must sign the Securities of any series for the Company by manual or facsimile
signature.

          If an Officer whose signature is on a Security no longer holds that office at the time a
Security is authenticated, the Security will nevertheless be valid.

          A Security will not be valid until authenticated by the manual signature of the Trustee. The
signature will be conclusive evidence that the Security has been authenticated under this
Indenture.

          The Trustee will, upon receipt at any time or from time to time of a written order of the
Company signed by two Officers (an “Authentication Order”), authenticate Securities of any
series for original issue up to the aggregate principal amount set forth in such Authentication
Order. The Trustee may appoint an authenticating agent acceptable to the Company to authenticate
Securities. An authenticating agent may authenticate Securities whenever the Trustee may do so.
Each reference in this Indenture to authentication by the Trustee includes authentication by such
agent. An authenticating agent has the same rights as an Agent to deal with Holders or an
Affiliate of the Company.

          In authenticating Securities of any series, and accepting the additional responsibilities
under this Indenture in relation to such Securities, the Trustee shall be entitled to receive, and
(subject to TIA §§ 315(a) through 315(d)) shall be fully protected in relying upon,

     (1) an Opinion of Counsel stating that:

     (i) the form or forms of such Securities have been established in conformity with the
provisions of this Indenture;

     (ii) the terms of such Securities have been established in conformity with the
provisions of this Indenture; and

     (iii) such Securities, when completed by appropriate insertions and executed and
delivered by the Company to the Trustee for authentication in accordance with this
Indenture, authenticated and delivered by the Trustee 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 legal, valid and binding obligation 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, 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

     (2) an Officers’ Certificate stating that all conditions precedent provided for in this
Indenture relating to the issuance of the Securities have been complied with and that, to
the best of the knowledge of the signers of such Certificate, no Event of Default with
respect to any of the Securities shall have occurred and be continuing.

14

 

Section 2.04 Registrar and Paying Agent.

          The Company will maintain in each Place of Payment for Securities of any series an office or
agency where such Securities may be presented for registration of transfer or for exchange
(“Registrar”) and an office or agency where such Securities may be presented for payment
(“Paying Agent”). The Registrar will keep a register of the Securities of that series and
of their transfer and exchange. The Company may appoint one or more co-registrars and one or more
additional paying agents. The term “Registrar” includes any co-registrar and the term “Paying
Agent” includes any additional paying agent. The Company may change any Paying Agent or Registrar
without notice to any Holder. The Company will notify the Trustee in writing of the name and
address of any Agent not a party to this Indenture. If the Company fail to appoint or maintain
another entity as Registrar or Paying Agent, the Trustee shall act as such. The Company or any of
its Subsidiaries may act as Paying Agent or Registrar.

          The Company initially appoint The Depository Trust Company (“DTC”) to act as
Depositary with respect to the Global Securities.

          The Company initially appoint the Trustee to act as the Registrar and Paying Agent and to act
as Custodian with respect to the Global Securities.

Section 2.05 Paying Agent to Hold Money in Trust.

          The Company will require each Paying Agent for Securities of a series other than the Trustee
to agree in writing that the Paying Agent will hold in trust for the benefit of Holders or the
Trustee all money held by the Paying Agent for the payment of principal, premium or Additional
Amounts, if any, or interest on the Securities of that series, and will notify the Trustee of any
default by the Company in making any such payment. While any such default continues, the Trustee
may require a Paying Agent to pay all money held by it to the Trustee. The Company at any time may
require a Paying Agent to pay all money held by it to the Trustee. Upon payment over to the
Trustee, the Paying Agent (if other than the Company or a Subsidiary of the Company) will have no
further liability for the money. If the Company or a Subsidiary of the Company acts as Paying
Agent, it will segregate and hold in a separate trust fund for the benefit of the Holders all money
held by it as Paying Agent. Upon any bankruptcy or reorganization proceedings relating to the
Company, the Trustee will serve as Paying Agent for the Securities.

Section 2.06 Holder Lists.

          The Trustee in respect of Securities of a series will preserve in as current a form as is
reasonably practicable the most recent list available to it of the names and addresses of all
Holders of Securities of that series and shall otherwise comply with TIA § 312(a). If the Trustee
is not the Registrar of such Securities, the Company will furnish to the Trustee at least seven
Business Days before each Interest Payment Date and at such other times as the Trustee may request
in writing, a list in such form and as of such date as the Trustee may reasonably require of the
names and addresses of the Holders of such Securities and the Company shall otherwise comply with
TIA § 312(a).

15

 

Section 2.07 Transfer and Exchange.

     (a) Transfer and Exchange of Global Securities. A Global Security may not be transferred as a
whole except by the Depositary to a nominee of the Depositary, by a nominee of the Depositary to
the Depositary or to another nominee of the Depositary, or by the Depositary or any such nominee to
a successor Depositary or a nominee of such successor Depositary. All Global Securities will be
exchanged by the Company for Definitive Securities if:

     (1) the Company delivers to the Trustee notice from the Depositary that it is unwilling
or unable to continue to act as Depositary or that it is no longer a clearing agency
registered under the Exchange Act and, in either case, a successor Depositary is not
appointed by the Company within 120 days after the date of such notice from the Depositary;
or

     (2) the Company in its sole discretion determines that the Global Securities (in whole
but not in part) should be exchanged for Definitive Securities and delivers a written notice
to such effect to the Trustee.

          Upon the occurrence of either of the preceding events in subparagraph (1) or (2) above,
Definitive Securities shall be issued in such names as the Depositary shall instruct the Trustee.
Global Securities also may be exchanged or replaced, in whole or in part, as provided in Sections
2.08 and 2.11. Every Security authenticated and delivered in exchange for, or in lieu of, a Global
Security or any portion thereof, pursuant to this Section 2.07 or Section 2.08 or 2.11 hereof,
shall be authenticated and delivered in the form of, and shall be, a Global Security. A Global
Security may not be exchanged for another Security other than as provided in this Section 2.07(a),
however, beneficial interests in a Global Security may be transferred and exchanged as provided in
Section 2.07(b) or (c).

     (b) Transfer and Exchange of Beneficial Interests in the Global Securities. The transfer and
exchange of beneficial interests in the Global Securities will be effected through the Depositary,
in accordance with the provisions of this Indenture and the Applicable Procedures. Transfers of
beneficial interests in the Global Securities also will require compliance with either subparagraph
(1) or (2) below, as applicable, as well as one or more of the other following paragraphs, as
applicable:

     (1) Transfer of Beneficial Interests in the Same Global Security. Beneficial interests
in any Global Security may be transferred to Persons who take delivery thereof in the form
of a beneficial interest in the same Global Security. No written orders or instructions
shall be required to be delivered to the Registrar to effect the transfers described in this
Section 2.07(b)(1).

     (2) All Other Transfers and Exchanges of Beneficial Interests in Global Securities. In
connection with all transfers and exchanges of beneficial interests that are not subject to
Section 2.07(b)(1) above, the transferor of such beneficial interest must deliver to the
Registrar either:

     (i) both:

16

 

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

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

     (ii) both:

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

     (B) instructions given by the Depositary to the Registrar containing
information regarding the Person in whose name such Definitive Security
shall be registered to effect the transfer or exchange referred to in (A)
above. Upon satisfaction of all of the requirements for transfer or
exchange of beneficial interests in Global Securities contained in this
Indenture and the Securities or otherwise applicable under the Securities
Act, the Trustee shall adjust the principal amount of the relevant Global
Security(s) pursuant to Section 2.07(g).

     (c) Transfer or Exchange of Beneficial Interests for Definitive Securities. If any holder of
a beneficial interest in a Global Security is entitled to exchange such beneficial interest for a
Definitive Security or to transfer such beneficial interest to a Person who takes delivery thereof
in the form of a Definitive Security of the same series and of like tenor and principal amount of
authorized form and denomination, as specified as contemplated by Section 2.02(15), then, upon
satisfaction of the conditions set forth in Section 2.07(b)(2), the Trustee will cause the
aggregate principal amount of the applicable Global Security to be reduced accordingly pursuant to
Section 2.07(g), and the Company will execute and the Trustee will authenticate and deliver to the
Person designated in the instructions a Definitive Security in the appropriate principal amount.
Any Definitive Security issued in exchange for a beneficial interest pursuant to this Section
2.07(c) will be registered in such name or names and in such authorized denomination or
denominations as the holder of such beneficial interest requests through instructions to the
Registrar from or through the Depositary and the Participant or Indirect Participant. The Trustee
will deliver such Definitive Securities to the Persons in whose names such Securities are so
registered.

     (d) Transfer and Exchange of Definitive Securities for Beneficial Interests. If at any time a
Holder of a Definitive Security is entitled to exchange such Security for a beneficial interest in
a Global Security or transfer such Definitive Security to a Person who takes delivery thereof in
the form of a beneficial interest in a Global Security of the same series and of like tenor and
principal amount of authorized form and denomination, as specified as contemplated

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by Section 2.02(15), then, upon receipt of a request for such an exchange or transfer, the
Trustee will cancel the applicable Definitive Security and increase or cause to be increased the
aggregate principal amount of one of the appropriate Global Securities. If any such exchange or
transfer from a Definitive Security to a beneficial interest is effected pursuant to this paragraph
(d) at a time when a Global Security has not yet been issued, the Company will issue and, upon
receipt of an Authentication Order in accordance with Section 2.03 hereof, the Trustee will
authenticate one or more Global Securities in an aggregate principal amount equal to the principal
amount of the Definitive Security proposed to be so exchanged or transferred.

     (e) Transfer and Exchange of Definitive Securities for Definitive Securities. Upon request by
a Holder of Definitive Securities and such Holder’s compliance with the provisions of this Section
2.07(e), the Registrar will register the transfer of such Holder’s Definitive Securities to a
Person who takes delivery thereof in the form of one or more Definitive Securities of the same
series, of any authorized denominations and of like aggregate principal amount or the exchange of
such Holder’s Definitive Securities for Definitive Securities of the same series, of any authorized
denominations and of like aggregate principal amount. Prior to such registration of transfer or
exchange, the requesting Holder must present or surrender to the Registrar the Definitive
Securities duly endorsed or accompanied by a written instrument of transfer in form satisfactory to
the Registrar duly executed by such Holder or by its attorney, duly authorized in writing. A
Holder of Definitive Securities may transfer such Securities. Upon receipt of a request to
register such a transfer, the Registrar shall register the Definitive Securities pursuant to the
instructions from the Holder thereof.

     (f) Global Security Legend. The following legend will appear on the face of all Global
Securities issued under this Indenture unless specifically stated otherwise in the applicable
provisions of one or more indentures supplemental hereto or approved from time to time by or
pursuant to Board Resolutions in accordance with Section 2.02 of this Indenture:

“THIS GLOBAL SECURITY IS HELD BY THE DEPOSITARY (AS DEFINED IN THE INDENTURE GOVERNING THIS
SECURITY) OR ITS NOMINEE IN CUSTODY FOR THE BENEFIT OF THE BENEFICIAL OWNERS HEREOF, AND IS NOT
TRANSFERABLE TO ANY PERSON UNDER ANY CIRCUMSTANCES EXCEPT THAT (1) THE TRUSTEE MAY MAKE
SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 2.07 OF THE INDENTURE, (2)
THIS GLOBAL SECURITY MAY BE EXCHANGED IN WHOLE BUT NOT IN PART PURSUANT TO SECTION 2.07(a) OF THE
INDENTURE, (3) THIS GLOBAL SECURITY MAY BE DELIVERED TO THE TRUSTEE FOR CANCELLATION
PURSUANT TO SECTION 2.12 OF THE INDENTURE AND (4) THIS GLOBAL SECURITY MAY BE TRANSFERRED
TO A SUCCESSOR DEPOSITARY WITH THE PRIOR WRITTEN CONSENT OF THE COMPANY.

UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR SECURITIES IN DEFINITIVE FORM, THIS
SECURITY MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY
OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE
DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITARY.
UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE

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OF THE DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW YORK, NEW YORK) (“DTC”), TO THE
COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED
IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS MAY BE REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR SUCH OTHER ENTITY AS MAY BE
REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR
VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE &
CO., HAS AN INTEREST HEREIN.”

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

     (h) General Provisions Relating to Transfers and Exchanges.

     (1) To permit registrations of transfers and exchanges, the Company will execute and
the Trustee will authenticate Global Securities and Definitive Securities upon receipt of an
Authentication Order in accordance with Section 2.03 or at the Registrar’s request.

     (2) No service charge will be made to a Holder of a Global Security or to a Holder of a
Definitive Security for any registration of transfer or exchange, but the Company may
require payment of a sum sufficient to cover any transfer tax or similar governmental charge
payable in connection therewith (other than any such transfer taxes or similar governmental
charge payable upon exchange or transfer pursuant to Sections 2.11, 3.07, and 9.05 hereof).
The Registrar will not be required to register the transfer of or exchange any Security
selected for redemption in whole or in part, except the unredeemed portion of any Security
being redeemed in part.

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

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     (4) The Company will not be required:

     (i) to issue, to register the transfer of or to exchange any Securities during
a period beginning at the opening of business 15 days before the day of any
selection of Securities for redemption under Section 3.03 hereof and ending at the
close of business on the day of selection;

     (ii) to register the transfer of or to exchange any Security selected for
redemption in whole or in part, except the unredeemed portion of any Security being
redeemed in part;

     (iii) to register the transfer of or to exchange a Security between a Record
Date and the next succeeding Interest Payment Date; or

     (iv) to register the transfer of any Security which has been surrendered for
repayment at option of Holder, except the portion, if any, of such Security not to
be so repaid.

     (5) Prior to due presentment for the registration of a transfer of any Security, the
Trustee, any Agent and the Company may deem and treat the Person in whose name any Security
is registered as the absolute owner of such Security for the purpose of receiving payment of
principal of and interest on such Securities and for all other purposes, and none of the
Trustee, any Agent or the Company shall be affected by notice to the contrary.

     (6) The Trustee will authenticate Global Securities and Definitive Securities in
accordance with the provisions of Section 2.03 hereof.

     (7) All orders and instructions required to be submitted to the Registrar or the
Company pursuant to this Section 2.07 to effect a registration of transfer or exchange may
be submitted by facsimile.

Section 2.08 Replacement Securities.

          If any mutilated Security is surrendered to the Trustee or the Company or the Trustee receives
evidence to its satisfaction of the destruction, loss or theft of any Security, the Company will
issue and the Trustee, upon receipt of an Authentication Order, will authenticate a replacement
Security if the Trustee’s requirements are met. If required by the Trustee or the Company, an
indemnity bond must be supplied by the Holder that is sufficient in the judgment of the Trustee and
the Company to protect the Company, the Trustee, any Agent and any authenticating agent from any
loss that any of them may suffer if a Security is replaced. The Company may charge for its
expenses in replacing a Security.

          Every replacement Security is an additional obligation of the Company and will be entitled to
all of the benefits of this Indenture equally and proportionately with all other Securities duly
issued hereunder.

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          Notwithstanding the provisions of the previous two paragraphs, in case any such mutilated,
destroyed, lost or stolen Security has become or is about to become due and payable, the Company in
its discretion may, instead of issuing a new Security, pay such Security.

Section 2.09 Outstanding Securities.

          The Securities “Outstanding” at any time are all the Securities authenticated by the Trustee
except for:

     (1) Securities theretofore cancelled by the Trustee or delivered to the Trustee for
cancellation;

     (2) 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
the 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, 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 Trustee has been made;

     (3) Securities, except to the extent provided in Sections 8.02 and 8.03, with respect
to which the Company has effected defeasance and/or covenant defeasance as provided in
Article 8;

     (4) Securities which have been paid pursuant to Section 4.01 or 10.01 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 Trustee proof satisfactory to it that such Securities are held by a bona
fide purchaser in whose hands such Securities are valid obligations of the Company; and

     (5) Securities converted into Capital Stock of the Company in accordance with or as
contemplated by this Indenture, if the terms of such Securities provide for convertibility
as contemplated by Section 2.02;

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, and for the purpose of making the calculations required by TIA § 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 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 as contemplated by Section 2.02,
and (iii) Securities owned by the Company or any other obligor upon the Securities or any

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Affiliate of the Company or of such other obligor shall be disregarded and deemed not to be
Outstanding to the extent provided in Section 2.10.

Section 2.10 Treasury Securities.

     In determining whether the Holders of the requisite principal amount of Outstanding Securities
have given any request, demand, authorization, direction, notice, waiver or consent, and for the
purpose of making the calculations required by TIA § 313, 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 Trustee 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 Trustee knows 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 Trustee 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 of such other obligor.

Section 2.11 Temporary Securities.

          Until certificates representing Securities are ready for delivery, the Company may prepare and
the Trustee, upon receipt of an Authentication Order, will authenticate temporary Securities.
Temporary Securities will be substantially in the form of certificated Securities but may have
variations that the Company consider appropriate for temporary Securities and as may be reasonably
acceptable to the Trustee. Without unreasonable delay, the Company will prepare and the Trustee
will authenticate definitive Securities in exchange for temporary Securities.

          Holders of temporary Securities will be entitled to all of the benefits of this Indenture.

Section 2.12 Cancellation.

          The Company at any time may deliver Securities to the Trustee for cancellation. The Registrar
and Paying Agent will forward to the Trustee any Securities surrendered to them for registration of
transfer, exchange or payment. The Trustee and no one else will cancel all Securities surrendered
for registration of transfer, exchange, payment, replacement or cancellation and will dispose of
canceled Securities (subject to the record retention requirement of the Exchange Act). The Company
may not issue new Securities to replace Securities that they have paid or that have been delivered
to the Trustee for cancellation, except for replacement Securities for mutilated Securities
pursuant to Section 2.08 hereof.

Section 2.13 Defaulted Interest.

          If the Company defaults in a payment of interest on the Securities of any series, it will pay
the defaulted interest in any lawful manner plus, to the extent lawful, interest payable on the
defaulted interest, to the Persons who are Holders of Securities of that series on a subsequent
special record date, in each case at the rate provided in the Securities of that series and in
Section 4.01 hereof. The Company will notify the Trustee in writing of the amount of defaulted
interest

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proposed to be paid on each Security of that series and the date of the proposed payment. The
Company will fix or cause to be fixed each such special record date and payment date, provided that
no such special record date may be less than 10 days prior to the related payment date for such
defaulted interest. At least 15 days before the special record date, the Company (or, upon the
written request of the Company, the Trustee in the name and at the expense of the Company) will
mail or cause to be mailed to Holders of Securities of that series a notice that states the special
record date, the related payment date and the amount of such interest to be paid on such
Securities.

ARTICLE 3

REDEMPTION AND PREPAYMENT

Section 3.01 Applicability of Article.

          Securities of any series which are redeemable before their maturity shall be redeemable in
accordance with their terms and (except as otherwise specified as contemplated by Section 2.02 for
Securities of any series) in accordance with this Article.

Section 3.02 Notices to Trustee.

          The election of the Company to redeem or purchase in an offer to purchase Securities of any
series shall be evidenced by a Board Resolution. The Company shall, at least 45 days prior to the
redemption date fixed by the Company (unless a shorter notice shall be satisfactory to the
Trustee), notify the Trustee of such redemption date and of the principal amount of Securities of
that series to be redeemed by delivering to the Trustee an Officers’ Certificate setting forth:

     (1) the paragraph of the Securities and/or Section of this Indenture or any indenture
supplemental hereto pursuant to which the redemption shall occur;

     (2) the redemption date, and if such redemption date is conditional, a description of
the event upon which it is conditioned;

     (3) the principal amount of Securities of that series to be redeemed, plus accrued
interest and Additional Amounts, if any, to the redemption date; and

     (4) the redemption price, including any make-whole amount or premium, if applicable.

Section 3.03 Selection of Securities to Be Redeemed.

          If less than all of the Securities of any series are to be redeemed or purchased in an offer
to purchase at any time, the Trustee will select the particular Securities for redemption or
purchase from the Outstanding Securities of that series not previously called for redemption, as
follows:

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     (1) if the Securities of that series are listed on any national securities exchange, in
compliance with the requirements of the principal national securities exchange on which such
Securities are listed; or

     (2) if the Securities of that series are not listed on any national securities
exchange, on a pro rata basis, by lot or by such other method as the Trustee shall deem fair
and appropriate.

          In the event of partial redemption by lot, the particular Securities to be redeemed will be
selected, unless otherwise provided in this Indenture, not less than 30 nor more than 60 days prior
to the redemption date by the Trustee.

          The Trustee will promptly notify the Company in writing of the Securities selected for
redemption or purchase and, in the case of any Security selected for partial redemption or
purchase, the principal amount thereof to be redeemed or purchased. Securities and portions of
Securities of any series selected will be in amounts equal to the minimum authorized denomination
for Securities of that series or any integral multiple thereof; provided, however, that if all of
the Outstanding Securities of a Holder are to be redeemed or purchased, the entire amount of such
Securities held by such Holder, even if not a multiple of the minimum authorized denomination for
Securities of that series, shall be redeemed or purchased. Except as provided in the preceding
sentence, provisions of this Indenture that apply to Securities called for redemption or purchase
also apply to portions of Securities called for redemption or purchase.

Section 3.04 Notice of Redemption.

          At least 30 days but not more than 60 days before a redemption date, unless a shorter period
is specified by the terms of that series as contemplated by Section 2.02, the Company will mail or
cause to be mailed, by first class mail, a notice of redemption to each Holder whose Securities are
to be redeemed at its registered address, except that redemption notices may be mailed more than 60
days prior to a redemption date if the notice is issued in connection with a defeasance of the
Securities or a satisfaction and discharge of this Indenture pursuant to Article 8 or 11 of this
Indenture. Any notice that is mailed to the Holders of Securities in the manner herein provided
shall be conclusively presumed to have been duly given, whether or not the Holder receives such
notice.

          The notice will identify the Securities to be redeemed and will state:

     (1) the redemption date, and if such redemption date is conditional, a description of
the event upon which it is conditioned;

     (2) the redemption price, including the accrued interest and Additional Amounts, if
any, to the redemption date and any make-whole amount or premium, if applicable;

     (3) if any Security is being redeemed in part, the portion of the principal amount of
such Security to be redeemed and that, after the redemption date upon surrender of such
Security, a new Security or Securities of the same series and tenor in

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principal amount equal to the unredeemed portion will be issued upon cancellation of
the original Security;

     (4) the name and address of the Paying Agent;

     (5) that Securities called for redemption must be surrendered to the Paying Agent at
the Place of Payment to collect the redemption price or to convert (if applicable);

     (6) that, unless the Company defaults in making such redemption payment, interest on
Securities called for redemption ceases to accrue on and after the redemption date;

     (7) the paragraph of the Securities and/or Section of this Indenture or any indenture
supplemental hereto pursuant to which the Securities called for redemption are being
redeemed;

     (8) that no representation is made as to the correctness or accuracy of the CUSIP
number, if any, listed in such notice or printed on the Securities;

     (9) that the redemption is for a sinking fund, if applicable; and

     (10) if applicable, that a Holder of Securities who desires to convert Securities in
connection with a redemption must satisfy the requirements for conversion contained in such
Securities, the then existing conversion price or rate, and the date and time when the
option to convert shall expire.

          At the Company’s request, the Trustee will give the notice of redemption in the Company’s name
and at its expense; provided, however, that the Company has delivered to the Trustee, at least 45
days (or such shorter period of time as is satisfactory to the Trustee) prior to the redemption
date, an Officers’ Certificate requesting that the Trustee give such notice and setting forth the
information to be stated in such notice as provided in the preceding paragraph.

Section 3.05 Effect of Notice of Redemption.

          Once notice of redemption is mailed in accordance with Section 3.04 hereof, Securities called
for redemption become irrevocably due and payable on the redemption date at the redemption price
therein specified. A notice of redemption may be conditioned upon the happening of an event,
provided such event is described in the redemption notice.

Section 3.06 Deposit of Redemption or Purchase Price.

          On the redemption or purchase date, the Company will deposit with the Trustee or with the
Paying Agent money in the currency or currencies, currency unit or units or composite currency or
currencies in which the Securities are payable sufficient to pay the redemption or purchase price
of and accrued interest and Additional Amounts, if any, on all Securities to be redeemed or
purchased on that date. The Trustee or the Paying Agent will promptly return to the Company any
money deposited with the Trustee or the Paying Agent by the Company in excess

25

 

of the amounts necessary to pay the redemption or purchase price of, and accrued interest and
Additional Amounts, if any, on, all Securities to be redeemed or purchased.

          If the Company complies with the provisions of the preceding paragraph, on and after the
redemption or purchase date, interest will cease to accrue on the Securities or the portions of
Securities called for redemption or purchase. If a Security is redeemed or purchased on or after a
Record Date but on or prior to the related Interest Payment Date, then any accrued and unpaid
interest shall be paid to the Person in whose name such Security was registered at the close of
business on such Record Date; provided, however, that except as otherwise provided with respect to
Securities convertible into Capital Stock of the Company, installments of interest on Securities
whose 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 the terms and provisions of Section 2.02. If any Security
called for redemption or purchase is not so paid upon surrender for redemption or purchase because
of the failure of the Company to comply with the preceding paragraph, interest shall be paid on the
unpaid principal, from the redemption or purchase date until such principal is paid, and to the
extent lawful on any interest not paid on such unpaid principal, in each case at the rate provided
in the Securities and in Section 4.01 hereof.

Section 3.07 Securities Redeemed or Purchased in Part.

          Upon surrender of a Security of a series that is redeemed or purchased in part at a Place of
Payment therefor (with, if the Company or the Trustee so requires, due endorsement by, or a written
instrument of transfer in form satisfactory to the Company and the Trustee duly executed by, the
Holder thereof or his attorney duly authorized in writing), the Company will issue and, upon
receipt of an Authentication Order, the Trustee will authenticate for the Holder at the expense of
the Company a new Security of the same series of any authorized denomination as requested by the
Holder in an aggregate principal amount equal to and in exchange for the unredeemed or unpurchased
portion of the principal of the Security so surrendered.

Section 3.08 Conversion Arrangement on Call for Redemption.

          In connection with any redemption of Securities, the Company may arrange for the purchase and
conversion of any Securities called for redemption by an agreement with one or more investment
bankers or other purchasers to purchase such Securities by paying to the Trustee or the Paying
Agent in trust for the Holders of Securities, on or before 10:00 a.m. Eastern Time on the
redemption date, an amount not less than the redemption price, together with interest, if any,
accrued to the redemption date of such Securities, in immediately available funds. Notwithstanding
anything to the contrary contained in this Article 3, the obligation of the Company to pay the
redemption price of such Securities, including all accrued interest, if any, shall be deemed to be
satisfied and discharged to the extent such amount is so paid by such purchasers. If such an
agreement is entered into, any Securities not duly surrendered for conversion by the Holders
thereof may, at the option of the Company, be deemed, to the fullest extent permitted by law,
acquired by such purchasers from such Holders and surrendered by such purchasers for conversion,
all as of immediately prior to the close of business on the last day on which Securities of that
series called for redemption may be converted in accordance with this Indenture and the terms of
such Securities, subject to payment to the Trustee or Paying Agent of

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the above-described amount. The Trustee or the Paying Agent shall hold and pay to the Holders
whose Securities are selected for redemption any such amount paid to it in the same manner as it
would pay moneys deposited with it by the Company for the redemption of Securities. Without the
Trustee’s and the Paying Agent’s prior written consent, no arrangement between the Company and such
purchasers for the purchase and conversion of any Securities shall increase or otherwise affect any
of the powers, duties, responsibilities or obligations of the Trustee and the Paying Agent as set
forth in this Indenture, and the Company agrees to indemnify the Trustee and the Paying Agent from,
and hold them harmless against, any loss, liability or expense owing out of or in connection with
any such arrangement for the purchase and conversion of any Securities between the Company and such
purchasers, including the costs and expenses incurred by the Trustee and the Paying Agent
(including the fees and expenses of their agents and counsel) in the defense of any claim or
liability arising out of or in connection with the exercise or performance of any of their powers,
duties, responsibilities or obligations under this Indenture.

ARTICLE 4

COVENANTS

Section 4.01 Payment of Securities.

          The Company will pay or cause to be paid the principal of, premium, if any, and interest and
Additional Amounts, if any, on the Securities of each series on the dates, in the currency or
currency unit and in the manner provided in the terms of that series of Securities and this
Indenture. Principal, premium, if any, and interest and Additional Amounts, if any, will be
considered paid on the date due if the Paying Agent, if other than the Company or a Subsidiary
thereof, holds as of 10:00 a.m. Eastern Time on the due date money deposited by the Company in
immediately available funds and designated for and sufficient to pay all principal, premium, if
any, and interest then due.

          The Company will pay interest (including post-petition interest in any proceeding under any
Bankruptcy Law) on overdue principal at the rate equal to 1% per annum in excess of the then
applicable interest rate on the Securities of the applicable series to the extent lawful; the
Company will pay interest (including post-petition interest in any proceeding under any Bankruptcy
Law) on overdue installments of interest and Additional Amounts (without regard to any applicable
grace period) at the same rate to the extent lawful.

Section 4.02 Maintenance of Office or Agency.

          The Company will maintain in each Place of Payment for Securities of any series an office or
agency (which may be an office of the Trustee or an affiliate of the Trustee, Registrar or
co-registrar) where Securities of that series may be presented or surrendered for payment or
conversion, where Securities of that series may be surrendered for registration of transfer or for
exchange and where notices and demands to or upon the Company in respect of the Securities of that
series and this Indenture may be served. The Company will give prompt written notice to the
Trustee of the location, and any change in the location, of such office or agency. If at any time
the Company fails to maintain any such required office or agency or fail

27

 

to furnish the Trustee with the address thereof, such presentations, surrenders, notices and
demands may be made or served at the Corporate Trust Office of the Trustee.

          The Company may also from time to time designate one or more other offices or agencies where
the Securities of any series may be presented or surrendered for any or all such purposes and may
from time to time rescind such designations; provided, however, that no such designation or
rescission will in any manner relieve the Company of its obligation to maintain an office or agency
in the Place of Payment for such purposes. The Company will give prompt written notice to the
Trustee of any such designation or rescission and of any change in the location of any such other
office or agency.

          Unless otherwise specified with respect to Securities of any series as contemplated by Section
2.02, the Company hereby designates as a Place of Payment for each series of Securities the
Corporate Trust Office of the Trustee in the Borough of Manhattan in the City of New York as one
such office or agency of the Company in accordance with Section 2.04 hereof.

Section 4.03 Reports.

          The Company shall file with the Trustee, within 15 days after the Company is required to file
the same with the Commission, copies of the annual reports and of the information, documents, and
other reports (or copies of such portions of any of the foregoing as the Commission may from time
to time by rules and regulations prescribe) which the Company may be required to file with the
Commission pursuant to Section 13 or Section 15(d) of the Exchange Act. The Company also shall
comply with the other provisions of TIA § 314(a).

Section 4.04 Compliance Certificate.

          (a) The Company shall deliver to the Trustee, within 120 days after the end of each fiscal
year, an Officers’ Certificate stating that a review of the activities of the Company and its
Subsidiaries during the preceding 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 to the best of his or her knowledge, 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 of this Indenture (or, if
a Default or Event of Default has occurred, describing all such Defaults or Events of Default of
which he or she may have knowledge and what action the Company is taking or proposes to take with
respect thereto).

          (b) So long as any of the Securities are outstanding, the Company will deliver to the Trustee,
forthwith upon any Officer becoming aware of any Default or Event of Default, an Officers’
Certificate specifying such Default or Event of Default and what action the Company is taking or
propose to take with respect thereto.

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Section 4.05 Additional Amounts.

          If any Securities of a series provide for the payment of Additional Amounts, the Company will
pay to the Holder of any Security of that series Additional Amounts as may be specified as
contemplated by Section 2.02. Whenever in this Indenture there is mentioned the payment of the
principal of or any premium or interest on, or in respect of, any Security of any series or the net
proceeds received on the sale or exchange of any Security of any series, such mention shall be
deemed to include mention of the payment of Additional Amounts provided by the terms of that series
established pursuant to Section 2.02 to the extent that, in such context, Additional Amounts are,
were or would be payable in respect thereof pursuant to such terms and express mention of the
payment of Additional Amounts (if applicable) in any provisions hereof shall not be construed as
excluding Additional Amounts in those provisions hereof where such express mention is not made.

          Except as otherwise specified as contemplated by Section 2.02, if the Securities of a series
provide for the payment of Additional Amounts, at least 10 days prior to the first interest payment
date with respect to that series of Securities (or if the Securities of that series will not bear
interest prior to maturity, the first day on which a payment of principal and any premium is made),
and at least 10 days prior to each date of payment of principal and any premium or interest if
there has been any change with respect to the matters set forth in the below-mentioned Officers’
Certificate, the Company will furnish the Trustee and the Company’s principal Paying Agent or
Paying Agents, if other than the Trustee, with an Officers’ Certificate instructing the Trustee and
such Paying Agent or Paying Agents whether such payment of principal of and any premium or interest
on the Securities of that series shall be made to Holders of Securities of that series who are not
United States persons without withholding for or on account of any tax, assessment or other
governmental charge described in the Securities of the series. If any such withholding shall be
required, then such Officers’ Certificate shall specify by country the amount, if any, required to
be withheld on such payments to such Holders of Securities of that series and the Company will pay
to the Trustee or such Paying Agent the Additional Amounts required by the terms of such
Securities. In the event that the Trustee or any Paying Agent, as the case may be, shall not so
receive the above-mentioned certificate, then the Trustee or such Paying Agent shall be entitled
(i) to assume that no such withholding or deduction is required with respect to any payment
of principal or interest with respect to any Securities of a series until it shall have received a
certificate advising otherwise and (ii) to make all payments of principal and interest with
respect to the Securities of a series without withholding or deductions until otherwise advised.
The Company covenants to indemnify the Trustee and any Paying Agent for, and to hold them harmless
against, any loss, liability or expense reasonably incurred without negligence or bad faith on
their part arising out of or in connection with actions taken or omitted by any of them or in
reliance on any Officers’ Certificate furnished pursuant to this Section or in reliance on the
Company’s not furnishing such an Officers’ Certificate.

Section 4.06 Corporate Existence.

          Except as permitted by Article 5, the Company and its Subsidiaries shall do all things
necessary to preserve and keep their existence, rights and franchises; provided, however, that the
existence of a Subsidiary may be terminated if the Board of Directors of the Company determines
that it is in the best interests of the Company to do so.

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ARTICLE 5

SUCCESSORS

Section 5.01 Merger, Consolidation, or Sale of Assets.

          The Company may not, directly or indirectly: (1) consolidate or merge with or into
another Person (whether or not the Company is the surviving corporation); or (2) sell,
assign, transfer, convey, lease or otherwise dispose of all or substantially all of the properties
or assets of the Company and its Subsidiaries taken as a whole, in one or more related
transactions, to another Person; unless:

     (1) either:

     (i) the Company is the surviving corporation; or

     (ii) the Person formed by or surviving any such consolidation or merger (if
other than the Company) or to which such sale, assignment, transfer, conveyance or
other disposition has been made is organized or existing under the laws of the
United States, any state of the United States or the District of Columbia;

     (2) the Person formed by or surviving any such consolidation or merger (if other than
the Company) or the Person to which such sale, assignment, transfer, conveyance or other
disposition has been made assumes all the obligations of the Company under the Securities
and this Indenture pursuant to agreements reasonably satisfactory to the Trustee; and

     (3) immediately after such transaction, on a pro forma basis giving effect to such
transaction or series of transactions (and treating any obligation of the Company or any
Subsidiary incurred in connection with or as a result of such transaction or series of
transactions as having been incurred at the time of such transaction), no Default or Event
of Default exists.

Section 5.02 Successor Substituted.

          Upon any consolidation or merger, or any sale, assignment, transfer, conveyance, transfer or
other disposition of all or substantially all of the properties or assets of the Company in
accordance with Section 5.01, the successor Person formed by such consolidation or into which the
Company is merged or to which such sale, assignment, transfer, conveyance or other disposition 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 successor initially had been named as
the Company herein. Such successor thereupon may cause to be signed, and may issue either in its
own name or in the name of the Company, any or all of the Securities issuable hereunder which
theretofore shall not have been signed by the Company and delivered to the Trustee; and, upon the
order of such successor, instead of the Company, and subject to all the terms, conditions and
limitations in this Indenture prescribed, the Trustee shall authenticate and shall deliver any
Securities which previously shall have been signed and delivered by the

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Officers of the Company to the Trustee for authentication, and any Securities which such
successor thereafter shall cause to be signed and delivered to the Trustee for that purpose. All
the Securities so issued shall in all respects have the same legal rank and benefit under this
Indenture as the Securities theretofore or thereafter issued in accordance with the terms of this
Indenture as though all of such Securities had been issued at the date of the execution hereof.

          In case of any such consolidation, merger, sale, lease or conveyance, such changes in
phraseology and form (but not in substance) may be made in the Securities thereafter to be issued
as may be appropriate.

          When a successor assumes all the obligations of its predecessor under this Indenture and the
Securities following a consolidation or merger, or any sale, assignment, transfer, conveyance,
transfer or other disposition of all or substantially all of the assets of the predecessor in
accordance with the foregoing provisions, the predecessor shall be released from those obligations.

ARTICLE 6

DEFAULTS AND REMEDIES

Section 6.01 Events of Default.

          Each of the following is an “Event of Default” wherever used herein with respect to any
particular series of Securities:

     (1) the Company does not pay the principal or any premium on any Security of that
series when due and payable;

     (2) the Company does not pay interest on any Security of that series within 30 days
after the applicable due date;

     (3) the Company or its Subsidiaries fail to deposit any sinking fund payment, when and
as due by the terms of any Security of that series;

     (4) the Company fails to comply with the provisions of Section 4.03 and such failure
continues uncured or unwaived for a period of 180 days after it receives a notice of Default
stating the Company is in breach. Either the Trustee or the Holders of more than 25% in
aggregate principal amount of the Securities of that series then Outstanding may send the
notice.

     (5) the Company or its Subsidiaries remain in breach of any other term of this
Indenture (other than a term that has been included in this Indenture solely for the benefit
of series of Securities other than that series) for 90 days after they receive a notice of
Default stating they are in breach. Either the Trustee or the Holders of more than 25% in
aggregate principal amount of the Securities of that series then Outstanding may send the
notice;

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     (6) the Company or any of its Significant Subsidiaries, or any group of Subsidiaries
that, taken as a whole, would constitute a Significant Subsidiary:

     (i) commences a voluntary case;

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

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

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

     (v) generally is not paying its debts as they become due;

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

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

     (ii) appoints a custodian of the Company or any of its Significant
Subsidiaries, or any group of Subsidiaries that, taken as a whole, would constitute
a Significant Subsidiary, or for all or substantially all of the property of the
Company or any of its Significant Subsidiaries, or any group of Subsidiaries that,
taken as a whole, would constitute a Significant Subsidiary; or

     (iii) orders the liquidation of the Company or any of its Significant
Subsidiaries, or any group of Subsidiaries that, taken as a whole, would constitute
a Significant Subsidiary;

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

     (8) any other Event of Default provided with respect to Securities of that series as
contemplated by Section 2.02.

Section 6.02 Acceleration.

          In the case of an Event of Default specified in clause (6) or (7) of Section 6.01, with
respect to the Company or any of its Significant Subsidiaries or any group of Subsidiaries that,
taken as a whole, would constitute a Significant Subsidiary, the principal amount (or, if any
Securities are Original Issue Discount Securities or Indexed Securities, such portion of the
principal as may be specified in the terms thereof) of and accrued and unpaid interest, if any, on
all of the Outstanding Securities will become due and payable immediately without further action or
notice. If any other Event of Default with respect to Securities of any series at the time
Outstanding occurs and has not been cured, the Trustee or the Holders of at least 25% in aggregate
principal amount of the Securities of that series then Outstanding may declare the

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entire principal amount (or specified amount) of and accrued and unpaid interest, if any, on
all of the Securities of that series to be due and immediately payable by written notice to the
Company and the Trustee. Upon any such declaration, such principal amount (or specified amount) of
and accrued and unpaid interest, if any, on all of the Securities of that series shall become due
and payable immediately. The Holders of a majority in aggregate principal amount of the Securities
of that series then Outstanding by written notice to the Trustee may on behalf of all of the
Holders rescind and annul an acceleration and its consequences if the rescission or annulment would
not conflict with any judgment or decree and if all existing Events of Default (except nonpayment
of principal, interest or premium that has become due solely because of the acceleration) have been
cured or waived.

Section 6.03 Other Remedies.

          If an Event of Default occurs and is continuing with respect to Securities of any series at
the time Outstanding, the Trustee may pursue any available remedy to collect the payment of
principal, premium and Additional Amounts, if any, and interest on the Securities of that series or
to enforce the performance of any provision of the Securities of that series or this Indenture.

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

Section 6.04 Waiver of Past Defaults.

          Holders of not less than a majority in aggregate principal amount of the then Outstanding
Securities of any series by notice to the Trustee may on behalf of the Holders of all of the
Securities of that series waive an existing Default or Event of Default and its consequences
hereunder, except a continuing Default or Event of Default in the payment of the principal of,
premium and Additional Amounts, if any, or interest on, the Securities of that series (excluding in
connection with an offer to purchase) or in respect of a covenant or provision of this Indenture
which under Article 9 may not be modified or amended without the consent of the Holder of each
Outstanding Security of the affected series; provided, however, that the Holders of a majority in
aggregate principal amount of the then Outstanding Securities of that series may rescind an
acceleration and its consequences, including any related payment default that resulted from such
acceleration as provided in Section 6.02. Upon any such waiver, 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 impair any
right consequent thereon.

Section 6.05 Control by Majority.

          Holders of a majority in aggregate principal amount of the Securities of any series then
Outstanding may direct the time, method and place of conducting any proceeding for

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exercising any remedy
available to the Trustee or exercising any trust or power conferred on
it with respect to the Securities of that series. However, the Trustee may refuse to follow any
direction that conflicts with law or this Indenture that the Trustee determines may be unduly
prejudicial to the rights of other Holders of Securities of that series or to the Holders of the
Securities of any other series or that may involve the Trustee in personal liability.

Section 6.06 Limitation on Suits.

          A Holder of a Security of any series may pursue a remedy with respect to this Indenture or the
Securities of that series only if:

     (1) such Holder has given the Trustee written notice that an Event of Default has
occurred and remains uncured;

     (2) the Holders of at least 25% of the aggregate principal amount of all Outstanding
Securities of that series have made a written request that the Trustee take action because
of the Default, and offered reasonable indemnity to the Trustee against the cost and other
liabilities of taking that action;

     (3) the Trustee has not taken action for 60 days after receipt of the notice and offer
of indemnity; and

     (4) the Holders of at least a majority in aggregate principal amount of all Outstanding
Securities of that series have not given the Trustee a direction inconsistent with such
request within such 60-day period.

          A Holder of any Security of any series may not use this Indenture to prejudice the rights of
another Holder of a Security of that series or to obtain a preference or priority over another
Holder of a Security of that series.

Section 6.07 Rights of Holders of Securities to Receive Payment.

          Notwithstanding any other provision of this Indenture, the right of any Holder of any Security
to receive payment of principal, premium and Additional Amounts, if any, and interest on such
Security, on or after the respective due dates expressed in such Security (excluding in connection
with an offer to purchase), or to bring suit for the enforcement of any such payment on or after
such respective dates, shall not be impaired or affected without the consent of such Holder, except
with respect to amounts due and payable to the holders of Senior Indebtedness, to the extent
required by Article 12.

Section 6.08 Collection Suit by Trustee.

          If an Event of Default specified in Section 6.01(1), (2) or (3) occurs and is continuing with
respect to the Securities of any series, the Trustee is authorized to recover judgment in its own
name and as trustee of an express trust against the Company for the whole amount of principal
(including any sinking fund payment), premium and Additional Amounts, if any, and interest
remaining unpaid on the Securities of that series and interest on overdue principal and, to the
extent lawful, interest and such further amount as shall be sufficient to cover

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the costs and expenses of collection, including the reasonable compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel.

Section 6.09 Trustee May File Proofs of Claim.

          The Trustee is authorized to file such proofs of claim and other papers or documents as may be
necessary or advisable in order to have the claims of the Trustee (including any claim for the
reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and
counsel) and the Holders of the Securities of any series allowed in any judicial proceedings
relative to the Company or any other obligor upon the Securities of that series, their creditors or
their property and shall be entitled and empowered to collect, receive and distribute any money or
other property payable or deliverable on any such claims and any custodian in any such judicial
proceeding is hereby authorized by each Holder of Securities of that series to make such payments
to the Trustee, and in the event that the Trustee shall consent to the making of such payments
directly to the Holders of Securities of that series, to pay to the Trustee any amount due to it
for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents
and counsel, and any other amounts due the Trustee under Section 7.07 hereof. To the extent that
the payment of any such compensation, expenses, disbursements and advances of the Trustee, its
agents and counsel, and any other amounts due the Trustee under Section 7.07 hereof out of the
estate in any such proceeding, shall be denied for any reason, payment of the same shall be secured
by a Lien on, and shall be paid out of, any and all distributions, dividends, money, securities and
other properties that the Holders of Securities of that series may be entitled to receive in such
proceeding whether in liquidation or under any plan of reorganization or arrangement or otherwise.
Nothing herein contained shall be deemed to authorize the Trustee to authorize or consent to or
accept or adopt on behalf of any Holder of a Security any plan of reorganization, arrangement,
adjustment or composition affecting the Securities or the rights of any Holder thereof, or to
authorize the Trustee to vote in respect of the claim of any Holder of a Security in any such
proceeding.

Section 6.10 Priorities.

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

          First: to the Trustee, its agents and attorneys for amounts due under Section 7.07 hereof,
including payment of all compensation, expense and liabilities incurred, and all advances made, by
the Trustee and the costs and expenses of collection;

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

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

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          The Trustee may fix a record date and payment date for any payment to Holders of Securities
pursuant to this Section 6.10.

Section 6.11 Undertaking for Costs.

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

ARTICLE 7

TRUSTEE

Section 7.01 Duties of Trustee.

     (a) If an Event of Default with respect to the Securities of any series has occurred and is
continuing, the Trustee will exercise such of the rights and powers vested in it by this Indenture,
and use the same degree of care and skill in its exercise, as a prudent person would exercise or
use under the circumstances in the conduct of such person’s own affairs.

     (b) Except during the continuance of an Event of Default:

     (1) the duties of the Trustee will be determined solely by the express provisions of
this Indenture and the Trustee need perform only those duties that are specifically set
forth in this Indenture and no others, and no implied covenants or obligations shall be read
into this Indenture against the Trustee; and

     (2) in the absence of bad faith on its part, the Trustee may conclusively rely, as to
the truth of the statements and the correctness of the opinions expressed therein, upon
certificates or opinions furnished to the Trustee and conforming to the requirements of this
Indenture. However, the Trustee will examine the certificates and opinions to determine
whether or not they conform to the requirements of this Indenture.

     (c) The Trustee may not be relieved from liabilities for its own negligent action, its own
negligent failure to act, or its own willful misconduct, except that:

     (1) this paragraph does not limit the effect of paragraph (b) of this Section
7.01;

     (2) the Trustee will not be liable for any error of judgment made in good faith by a
Responsible Officer, unless it is proved that the Trustee was negligent in ascertaining the
pertinent facts; and

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     (3) the Trustee will not be liable with respect to any action it takes or omits to take
in good faith in accordance with a direction received by it pursuant to Section 6.05.

     (d) Whether or not therein expressly so provided, every provision of this Indenture that in
any way relates to the Trustee is subject to paragraphs (a), (b), and (c)
of this Section 7.01.

     (e) No provision of this Indenture will require the Trustee to expend or risk its own funds or
incur any liability. The Trustee will be under no obligation to exercise any of its rights and
powers under this Indenture at the request of any Holder, unless such Holder has offered to the
Trustee security and indemnity satisfactory to it against any loss, liability or expense.

     (f) The Trustee will not be liable for interest on any money received by it except as the
Trustee may agree in writing with the Company. Money held in trust by the Trustee need not be
segregated from other funds except to the extent required by law.

     (g) Whether or not therein expressly so provided, every provision of this Indenture relating
to the conduct or affecting the liability of or affording protection to the Trustee shall be
subject to the provisions of this Section.

Section 7.02 Rights of Trustee.

     (a) The Trustee may conclusively rely upon any document (whether original or facsimile)
believed by it to be genuine and to have been signed or presented by the proper Person. The
Trustee need not investigate any fact or matter stated in the document.

     (b) Before the Trustee acts or refrains from acting, it may require an Officers’ Certificate
or an Opinion of Counsel or both. The Trustee will not be liable for any action it takes or omits
to take in good faith in reliance on such Officers’ Certificate or Opinion of Counsel. The Trustee
may consult with counsel and the written advice of such counsel or any Opinion of Counsel will be
full and complete authorization and protection from liability in respect of any action taken,
suffered or omitted by it hereunder in good faith and in reliance thereon.

     (c) The Trustee may act through its attorneys and agents and will not be responsible for the
misconduct or negligence of any agent appointed with due care unless the Trustee was negligent in
acting through its attorneys and agents.

     (d) The Trustee will not be liable for any action it takes or omits to take in good faith that
it believes to be authorized or within the rights or powers conferred upon it by this Indenture.

     (e) Unless otherwise specifically provided in this Indenture, any demand, request, direction
or notice from the Company will be sufficient if signed by an Officer of the Company.

     (f) The Trustee will 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 unless such Holders

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have offered to the Trustee reasonable security or indemnity against the costs, expenses and
liabilities that might be incurred by it in compliance with such request or direction.

Section 7.03 Individual Rights of Trustee.

          The Trustee in its individual or any other capacity may become the owner or pledgee of
Securities and may otherwise deal with the Company or any Affiliate of the Company with the same
rights it would have if it were not Trustee. However, in the event that the Trustee acquires any
conflicting interest it must eliminate such conflict within 90 days, apply to the Commission for
permission to continue as trustee or resign. Any Agent may do the same with like rights and
duties. The Trustee is also subject to Sections 7.10 and 7.11 hereof.

Section 7.04 Trustee’s Disclaimer.

          The Trustee will not be responsible for and makes no representation as to the validity or
adequacy of this Indenture or the Securities, it shall not be accountable for the Company’s use of
the proceeds from the Securities or any money paid to the Company or upon the Company’s direction
under any provision of this Indenture, it will not be responsible for the use or application of any
money received by any Paying Agent other than the Trustee, and it will not be responsible for any
statement or recital herein or any statement in the Securities or any other document in connection
with the sale of the Securities or pursuant to this Indenture other than its certificate of
authentication.

Section 7.05 Notice of Defaults.

          If a Default or Event of Default occurs and is continuing with respect to the Securities of
any series and if it is known to the Trustee, the Trustee will mail to Holders of Securities of
that series a notice of the Default or Event of Default within 90 days after it occurs, unless such
default shall have been cured or waived. Except in the case of a Default or Event of Default in
payment of principal of, premium or Additional Amounts, if any, or interest on any Security, the
Trustee may withhold the notice if and so long as a committee of its Responsible Officers in good
faith determines that withholding the notice is in the interests of the Holders of the Securities
of that series.

Section 7.06 Reports by Trustee to Holders of the Securities.

     (a) Within 120 days after the end of each fiscal year beginning with the end of the fiscal
year following the date of this Indenture, and for so long as Securities of any series remain
Outstanding, the Trustee will mail to all Holders of the Securities of that series a brief report
dated as of such reporting date that complies with TIA § 313(a) (but if no event described in TIA §
313(a) has occurred within the twelve months preceding the reporting date, no report need be
transmitted). The Trustee also will comply with TIA § 313(b)(2). The Trustee will also transmit
by mail all reports as required by TIA § 313(c).

     (b) A copy of each report at the time of its mailing to the Holders of Securities will be
mailed by the Trustee to the Company and filed by the Trustee with the Commission and each stock
exchange on which such Securities are listed in accordance with TIA § 313(d). The

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Company will promptly notify the Trustee when the Securities of any series are listed on any
stock exchange.

Section 7.07 Compensation and Indemnity.

     (a) The Company will pay to the Trustee from time to time reasonable compensation as agreed
upon between the Trustee and the Company for its acceptance of this Indenture and services
hereunder. The Trustee’s compensation will not be limited by any law on compensation of a trustee
of an express trust. The Company will reimburse the Trustee promptly upon written request for all
reasonable disbursements, advances and expenses incurred or made by it in addition to the
compensation for its services (including the reasonable compensation, disbursements and expenses of
the Trustee’s agents and counsel), except any such disbursement, advances and expenses as shall be
determined to have been caused by the Trustee’s own negligence, bad faith or willful misconduct.

     (b) The Company will indemnify the Trustee against any and all losses, liabilities or expenses
incurred by it arising out of or in connection with the acceptance or administration of its duties
under this Indenture, including the costs and expenses of enforcing this Indenture against the
Company (including this Section 7.07) and defending itself against any claim (whether asserted by
the Company or any Holder or any other Person) or liability in connection with the exercise or
performance of any of its powers or duties hereunder, except to the extent any such loss, liability
or expense may be attributable to its negligence, bad faith, or willful misconduct. The Trustee
will notify the Company in writing promptly of any claim for which it may seek indemnity. Failure
by the Trustee to so notify the Company will not relieve the Company of its obligations hereunder.
The Company will defend the claim and the Trustee will cooperate in the defense. The Trustee may
have separate counsel and the Company will pay the reasonable fees and expenses of such counsel.
The Company need not pay for any settlement made without its consent.

     (c) The obligations of the Company under this Section 7.07 will survive the satisfaction and
discharge of this Indenture.

     (d) To secure the Company’s payment obligations in this Section 7.07, the Trustee will have a
Lien prior to the Securities of any series on all money or property held or collected by the
Trustee, except that held in trust to pay principal and interest on particular Securities of any
series. Such Lien will survive the satisfaction and discharge of this Indenture.

     (e) When the Trustee incurs expenses or renders services after an Event of Default specified
in Section 6.01(6) or (7) hereof occurs, the expenses and the compensation for the services
(including the fees and expenses of its agents and counsel) are intended to constitute expenses of
administration under any Bankruptcy Law.

     (f) The Trustee will comply with the provisions of TIA § 313(b)(2) to the extent applicable.

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Section 7.08 Replacement of Trustee.

     (a) A resignation or removal of the Trustee and appointment of a successor Trustee will become
effective only upon the successor Trustee’s acceptance of appointment as provided in this Section
7.08.

     (b) The Trustee may resign with respect to the Securities of one or more series in writing at
any time and be discharged from the trust hereby created by so notifying the Company. The Holders
of a majority in aggregate principal amount of the then Outstanding Securities of any series may
remove the Trustee with respect to the Securities of that series by so notifying the Trustee and
the Company in writing. The Company may remove the Trustee if:

     (1) the Trustee fails to comply with Section 7.10 hereof;

     (2) the Trustee is adjudged a bankrupt or an insolvent or an order for relief is
entered with respect to the Trustee under any Bankruptcy Law;

     (3) a custodian or public officer takes charge of the Trustee or its property; or

     (4) the Trustee becomes incapable of acting.

     (c) If the Trustee resigns, is removed, is incapable of acting or if a vacancy exists in the
office of Trustee for any reason with respect to the Securities of one or more series, the Company,
by Board Resolution, will promptly appoint a successor Trustee or Trustees with respect to the
Securities of that or those series. Within one year after the successor Trustee or Trustees with
respect to the Securities of any series takes office, the Holders of a majority in aggregate
principal amount of the then Outstanding Securities of that series may appoint a successor Trustee
with respect to the Securities of that series to replace the successor Trustee appointed by the
Company.

     (d) If a successor Trustee with respect to the Securities of any series does not take office
within 60 days after the retiring Trustee resigns or is removed, the retiring Trustee, the Company,
or the Holders of at least 10% in aggregate principal amount of the then Outstanding Securities of
that series may petition any court of competent jurisdiction for the appointment of a successor
Trustee with respect to Securities of that series.

     (e) If the Trustee, after written request by any Holder of Securities of any series who has
been a Holder of Securities of that series for at least six months, fails to comply with Section
7.10, such Holder may petition any court of competent jurisdiction for the removal of the Trustee
and the appointment of a successor Trustee with respect to Securities of that series.

     (f) In case of the appointment hereunder of a successor Trustee with respect to all
Securities, every such successor Trustee will deliver a written acceptance of its appointment to
the retiring Trustee and to the Company. Thereupon, the resignation or removal of the retiring
Trustee will become effective, and the successor Trustee will have all the rights, powers and
duties of the Trustee under this Indenture without any further act, deed or conveyance. The
successor Trustee will mail a notice of its succession to Holders. The retiring Trustee will
promptly transfer all property held by it as Trustee to the successor Trustee, provided all sums

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owing to the Trustee hereunder have been paid and subject to the Lien provided for in Section
7.07 hereof. Notwithstanding replacement of the Trustee pursuant to this Section 7.08, the
Company’s obligations under Section 7.07 hereof will continue for the benefit of the retiring
Trustee.

     (g) 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, pursuant to Article 9 hereof, 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 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.

          (h) Upon 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
such rights, powers and trusts referred to in paragraph (f) and (g) of this Section, as the case
may be.

          (i) 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 7.09 Successor Trustee by Merger, etc.

          If the Trustee consolidates, merges or converts into, or transfers all or substantially all of
its corporate trust business to, another corporation, the successor corporation without any further
act will be the successor Trustee, 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 the parties hereto.

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Section 7.10 Eligibility; Disqualification.

          There will at all times be a Trustee hereunder that is a corporation organized and doing
business under the laws of the United States of America or of any state thereof that is authorized
under such laws to exercise corporate trustee power, that is subject to supervision or examination
by federal or state authorities and that has a combined capital and surplus of at least $100
million as set forth in its most recent published annual report of condition.

          This Indenture will always have a Trustee who satisfies the requirements of TIA § 310(a)(1),
(2) and (5). The Trustee is subject to TIA § 310(b).

Section 7.11 Preferential Collection of Claims Against the Company.

          The Trustee is subject to TIA § 311(a), excluding any creditor relationship listed in TIA §
311(b). A Trustee who has resigned or been removed shall be subject to TIA § 311(a) to the extent
indicated therein.

ARTICLE 8

LEGAL DEFEASANCE AND COVENANT DEFEASANCE

Section 8.01 Applicability of Article; Option to Effect Legal Defeasance or Covenant Defeasance.

          If, pursuant to Section 2.02, provision is made for either or both of (a) defeasance
of the Securities of or within a series under Section 8.02 or (b) covenant defeasance of
the Securities of or within a series under Section 8.03, then the provisions of such Section or
Sections, as the case may be, together with the other provisions of this Article (with such
modifications thereto as may be specified pursuant to Section 2.02 with respect to any Securities),
shall be applicable to such Securities, and the Company may at its option by Board Resolution, at
any time, with respect to such Securities, elect to have Section 8.02 (if applicable) or Section
8.03 (if applicable) be applied to such Outstanding Securities upon compliance with the conditions
set forth below in this Article.

Section 8.02 Legal Defeasance and Discharge.

          Upon the Company’s exercise under Section 8.01 hereof of the option applicable to this Section
8.02 with respect to any Outstanding Securities of or within a series, the Company will, subject to
the satisfaction of the conditions set forth in Section 8.04, be deemed to have been discharged
from its obligations with respect to all such Outstanding Securities on the date the conditions set
forth below are satisfied (hereinafter, “Legal Defeasance”). For this purpose, Legal
Defeasance means that the Company will be deemed to have paid and discharged the entire Debt
represented by such Outstanding Securities, which will thereafter be deemed to be “Outstanding”
only for the purposes of Section 8.05 hereof and the other Sections of this Indenture referred to
in clauses (1) and (2) below, and to have satisfied all its other obligations under such Securities
and this Indenture (and the Trustee, on demand of and at the expense of the Company, shall execute
proper instruments acknowledging the same), except for the following provisions which will survive
until otherwise terminated or discharged hereunder:

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     (1) the rights of Holders of such Outstanding Securities to receive payments in respect
of the principal of, or interest or premium and Additional Amounts, if any, on such
Securities when such payments are due from the trust referred to in Section 8.04 hereof;

     (2) the Company’s obligations with respect to such Securities under Article 2 and
Section 4.02 hereof;

     (3) the rights, powers, trusts, duties and immunities of the Trustee hereunder and the
Company’s obligations in connection therewith; and

     (4) this Article 8.

          Subject to compliance with this Article 8, the Company may exercise its option under this
Section 8.02 notwithstanding the prior exercise of its option under Section 8.03 hereof.

Section 8.03 Covenant Defeasance.

          Upon the Company’s exercise under Section 8.01 hereof of the option applicable to this Section
8.03 with respect to any Outstanding Securities of or within a series, the Company will, subject to
the satisfaction of the conditions set forth in Section 8.04, be released from each of its
obligations under the covenants contained in Sections 4.03, 4.04, 5.01(3) and, if specified as
contemplated by Section 2.02, its obligations under any other covenant, with respect to such
Outstanding Securities on and after the date the conditions set forth in Section 8.04 hereof are
satisfied (hereinafter, “Covenant Defeasance”), and such Securities will thereafter be
deemed not “Outstanding” for the purposes of any direction, waiver, consent or declaration or act
of Holders (and the consequences of any thereof) in connection with such covenants, but will
continue to be deemed “Outstanding” for all other purposes hereunder. For this purpose, Covenant
Defeasance means that, with respect to the Outstanding Securities, the Company may omit to comply
with and will have no liability in respect of any term, condition or limitation set forth in any
such covenant, whether directly or indirectly, by reason of any reference elsewhere herein to any
such covenant or by reason of any reference in any such covenant to any other provision herein or
in any other document and such omission to comply will not constitute a Default or an Event of
Default under Section 6.01 hereof, but, except as specified above, the remainder of this Indenture
and such Securities will be unaffected thereby. In addition, upon the Company’s exercise under
Section 8.01 hereof of the option applicable to this Section 8.03 with respect to any Outstanding
Securities of or within a series, subject to the satisfaction of the conditions set forth in
Section 8.04 hereof, Sections 6.01(4), 6.01(5), insofar as it relates to the obligations under the
covenants from which the Company has been released, and 6.01(6) hereof will not constitute Events
of Default in respect of such Securities..

Section 8.04 Conditions to Legal or Covenant Defeasance.

          In order to exercise either Legal Defeasance or Covenant Defeasance under either Section 8.02
or 8.03 hereof with respect to any Outstanding Securities of or within a series:

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     (1) the Company irrevocably deposits with the Trustee for the Securities of that
series, in trust, for the benefit of the Holders, money in such currency or currencies, or
currency unit or currency units, in which such Security is then specified as payable at
maturity, non-callable Government Obligations applicable to such Securities (determined on
the basis of the currency or currencies, or currency unit or currency units, in which such
Securities are then specified as payable at maturity), or any combination thereof, in such
amounts as will be sufficient, in the opinion of a nationally recognized firm of independent
public accountants, to pay the principal of (including any sinking fund payment or analogous
payments applicable to such Outstanding Securities), premium and Additional Amounts, if any,
and interest on such Outstanding Securities on the stated date for payment thereof or on the
applicable redemption date, as the case may be;

     (2) in the case of an election under Section 8.02 hereof, the Company has delivered to
the Trustee for the Securities of that series an Opinion of Counsel in the United States
reasonably acceptable to such Trustee confirming that:

     (i) the Company has received from, or there has been published by, the United
States Internal Revenue Service a ruling; or

     (ii) since the date of this Indenture, there has been a change in the
applicable federal income tax law,

in either case to the effect that, and based thereon such Opinion of Counsel shall confirm that,
the Holders of such Outstanding Securities will not recognize income, gain or loss for federal
income tax purposes as a result of such Legal Defeasance and will be subject to federal income
tax on the same amounts, in the same manner and at the same times as would have been the case if
such Legal Defeasance had not occurred;

     (3) in the case of an election under Section 8.03 hereof, the Company must deliver to
such Trustee for Securities of that series an Opinion of Counsel in the United States
reasonably acceptable to such Trustee confirming that the Holders of such Outstanding
Securities will not recognize income, gain or loss for federal income tax purposes as a
result of such Covenant Defeasance and will be subject to federal income tax on the same
amounts, in the same manner and at the same times as would have been the case if such
Covenant Defeasance had not occurred;

     (4) no Default or Event of Default shall have occurred in respect of Securities of that
series and be continuing on the date of such deposit (other than a Default or Event of
Default in respect of that series resulting from the borrowing of funds to be applied to
such deposit);

     (5) such Legal Defeasance or Covenant Defeasance will not result in a breach or
violation of, or constitute a default under, any material agreement or instrument (other
than this Indenture in respect of Securities of that series) to which the Company or any of
its Subsidiaries is a party or by which the Company or any of its Subsidiaries is bound;

     (6) the Company must deliver to the Trustee for Securities of that series an Officers’
Certificate stating that the deposit was not made by the Company with the intent

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of preferring the Holders of such Securities over the other creditors of the Company
with the intent of defeating, hindering, delaying or defrauding any other creditors of the
Company or others;

     (7) the Company must deliver to the Trustee for Securities of that series an Officers’
Certificate and an Opinion of Counsel, each stating that all conditions precedent provided
for or relating to the Legal Defeasance or the Covenant Defeasance, as applicable, have been
complied with; and

     (8) notwithstanding any other provisions of this Section, such Legal Defeasance or
Covenant Defeasance shall be effected in compliance with any additional or substitute terms,
conditions or limitations which may be imposed on the Company in connection therewith
pursuant to Section 2.02.

Section 8.05 Deposited Money and Government Securities to be Held in Trust; Other Miscellaneous
Provisions.

          Subject to Section 8.06 hereof, all money, Government Obligations or other property as may be
provided pursuant to Section 2.02 (including the proceeds thereof) deposited with the Trustee (or
other qualifying trustee, collectively for purposes of this Section 8.05, the “Trustee”)
pursuant to Section 8.04 in respect of any Outstanding Securities of any series will be held in
trust and applied by such Trustee, in accordance with the provisions of such Securities and this
Indenture, to the payment, either directly or through any Paying Agent (including the Company
acting as Paying Agent) as such Trustee may determine, to the Holders of such Securities of all
sums due and to become due thereon in respect of principal, premium and Additional Amounts, if any,
and interest, but such money need not be segregated from other funds except to the extent required
by law.

          The Company will pay and indemnify such Trustee against any tax, fee or other charge imposed
on or assessed against the money or non-callable Government Obligations deposited pursuant to
Section 8.04 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.

          Notwithstanding anything in this Article 8 to the contrary, such Trustee will deliver or pay
to the Company from time to time upon the request of the Company any money or non-callable
Government Obligations held by it as provided in Section 8.04 hereof which, in the opinion of a
nationally recognized firm of independent public accountants expressed in a written certification
thereof delivered to such Trustee (which may be the opinion delivered under Section 8.04(1)), are
in excess of the amount thereof that would then be required to be deposited to effect an equivalent
Legal Defeasance or Covenant Defeasance.

Section 8.06 Repayment to the Company.

          Any money deposited with the Trustee or any Paying Agent, or then held by the Company, in
trust for the payment of the principal of, premium or Additional Amounts, if any, or interest on
any Security and remaining unclaimed for two years after such principal, premium or Additional
Amounts, if any, or interest has become due and payable shall be paid to the

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Company on its request or (if then held by the Company) will be discharged from such trust;
and the Holder of such Security will thereafter be permitted to look only to the Company for
payment thereof, and all liability of the Trustee or such Paying Agent with respect to such trust
money, and all liability of the Company as trustee thereof, will thereupon cease; provided,
however, that the Trustee or such Paying Agent, before being required to make any such repayment,
may at the expense of the Company cause to be published once, in an Authorized Newspaper, notice
that such money remains unclaimed and that, after a date specified therein, which will not be less
than 30 days from the date of such notification or publication, any unclaimed balance of such money
then remaining will be repaid to the Company.

Section 8.07 Reinstatement.

          (a) If the Trustee or Paying Agent is unable to apply any money or non-callable Government
Obligations deposited in respect of Securities of or within a series in accordance with Section
8.02 or 8.03, as the case may be, 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 will be revived and reinstated as though no
deposit had occurred pursuant to Section 8.02 or 8.03 hereof until such time as the Trustee or
Paying Agent is permitted to apply all such money in accordance with Section 8.02 or 8.03 hereof,
as the case may be; provided, however, that unless otherwise provided in the Board Resolution or
indenture supplemental hereto pursuant to which such Securities shall have been issued, the
principles set forth in paragraphs (b) and (c) of this Section 8.07 shall apply following such
reinstatement; provided further, however, that if the Company makes any payment of principal of,
premium or Additional Amounts, if any, or interest on any Security following the reinstatement of
its obligations, the Company will be subrogated to the rights of the Holders of such Securities to
receive such payment from the money held by the Trustee or Paying Agent.

          (b) If the Company’s obligations under this Indenture are reinstated as provided in Section
8.07(a), such reinstatement shall be deemed to have occurred as of the date of the deposit of money
or non-callable Government Obligations with the Trustee or the Paying Agent as provided in Section
8.02 or 8.03 except that no Default will be deemed to have occurred solely by reason of a breach
while any such obligation was suspended.

          (c) Neither (1) the continued existence following the reinstatement of the foregoing
obligations of facts and circumstances or obligations that were incurred or otherwise came into
existence while the foregoing obligations were suspended nor (2) the performance of any
such obligations, including the consummation of any transaction pursuant to, and on materially the
same terms as, a contractual agreement in existence prior to the reinstatement of the foregoing
obligations, shall constitute a breach of any such obligations or cause a Default or Event of
Default in respect thereof; provided, however, that (A) the Company and its Subsidiaries
did not incur or otherwise cause such facts and circumstances or obligations to exist in
anticipation of the reinstatement of the foregoing obligations and (B) the Company and its
Subsidiaries did not reasonably believe that such incurrence or actions would result in such
reinstatement. For purposes of clause (2) above, any increase in the consideration to be paid
prior to such amendment or modification to the terms of an existing obligation following the
reinstatement of the foregoing obligations that does not exceed 10% of the consideration that was

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to be paid prior to such amendment or modification shall not be deemed a “material” amendment
or modification. For purposes of clauses (A) and (B) above, anticipation and reasonable belief may
be determined by the Company and shall be conclusively evidenced by a Board Resolution to such
effect.

ARTICLE 9

AMENDMENT, SUPPLEMENT AND WAIVER

Section 9.01 Without Consent of Holders of Securities.

          Notwithstanding Section 9.02 of this Indenture, the Company and the Trustee may amend or
supplement this Indenture or the Securities without the consent of any Holder of a Security:

          (1) to cure any ambiguity, defect or inconsistency;

          (2) to provide for uncertificated Securities in addition to or in place of certificated
Securities;

          (3) to provide for the assumption of the Company’s obligations to Holders of Securities
in the case of a merger or consolidation or sale of all or substantially all of the
Company’s assets;

          (4) to add to the covenants of the Company for the benefit of the Holders of all or any
series of Securities (and if such covenants are to be for the benefit of less than all
series of Securities, stating that such covenants are expressly being included solely for
the benefit of that series) or to surrender any right or power herein conferred upon the
Company;

          (5) to add any additional Events of Default for the benefit of the Holders of all or
any series of Securities (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 expressly being
included solely for the benefit of that series); provided, however, that in respect of any
such additional Events of Default such supplemental indenture may provide for a particular
period of grace after default (which period may be shorter or longer than that allowed in
the case of other defaults) or may provide for an immediate enforcement upon such default or
may limit the remedies available to the Trustee upon such default or may limit the right of
the Holders of a majority in aggregate principal amount of that or those series of
Securities to which such additional Events of Default apply to waive such default;

          (6) 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 outstanding
of any series created prior to the execution of such supplemental indenture which is
entitled to the benefit of such provision;

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          (7) to establish the form or terms of Securities of any series as permitted by Sections
2.01 and 2.02, including the provisions and procedures relating to Securities convertible
into Capital Stock of the Company;

          (8) 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;

          (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 8.02, 8.03 and 10.01, provided that any such action shall not adversely
affect the interests of the Holders of Securities of that series or any other series of
Securities in any material respect;

          (10) to secure the Securities;

          (11) to subordinate the indebtedness evidenced by the Securities to any indebtedness of
the Company other than the Senior Indebtedness;

          (12) to make any other change that would provide any additional rights or benefits to
the Holders of Securities or that does not adversely affect the legal rights under this
Indenture of any such Holder; or

          (13) to comply with requirements of the Commission in order to effect or maintain the
qualification of this Indenture under the TIA.

Section 9.02 With Consent of Holders of Securities.

          Except as provided below in this Section 9.02, the Company and the Trustee may amend or
supplement this Indenture and the Securities with the consent of the Holders of at least a majority
in aggregate principal amount of the then Outstanding Securities affected by such amendment or
supplemental indenture voting as a single class (including, without limitation, consents obtained
in connection with a tender offer or exchange offer for, or purchase of, the Securities), and,
subject to Sections 6.04 and 6.07 hereof, any existing Default or Event of Default (other than a
Default or Event of Default in the payment of the principal of, premium or Additional Amounts, if
any, or interest on the Securities, except a payment default resulting from an acceleration that
has been rescinded) or compliance with any provision of this Indenture or the Securities may be
waived generally or in a particular instance with the consent of the Holders of a majority in
aggregate principal amount of the then Outstanding Securities affected thereby voting as a single
class (including consents obtained in connection with a tender offer or exchange offer for, or
purchase of, the Securities).

          However, without the consent of the Holder of each Outstanding Security affected thereby, an
amendment or waiver under this Section 9.02 may not (with respect to any Securities held by a
non-consenting Holder):

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          (1) reduce the principal amount of Securities of any series whose Holders must consent
to an amendment, supplement or waiver;

          (2) change the stated maturity of the principal of, or any installment of principal of
or interest on, any Security, or reduce the principal amount thereof or the rate of interest
thereon or any premium payable upon the redemption thereof, or reduce the amount of the
principal of an Original Issue Discount Security that would be due and payable upon a
declaration of acceleration of the maturity thereof pursuant to Section 6.02, or adversely
affect any right of repayment at the option of the Holder of any Security, or reduce the
amount of, or postpone the date fixed for, the payment of any sinking fund or analogous
obligation, 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, on or after the
redemption date), in each case other than the amendment or waiver in accordance with the
terms of this Indenture of any covenant or related definition included pursuant to Section
2.02 that provides for an offer to repurchase any Securities of a series upon a sale of
assets or change of control transaction;

          (3) waive a Default or Event of Default in the payment of principal of, or interest or
premium, or Additional Amounts, if any, on the Securities of any series (except a rescission
of acceleration of the Securities of that series by the Holders of at least a majority in
aggregate principal amount of the Securities of that series then Outstanding and a waiver of
the payment Default that resulted from such acceleration);

          (4) make any Security payable in a currency or currencies or currency unit or currency
units other than that stated in the Securities;

          (5) make any change in Section 6.04 or 6.07 hereof relating to waivers of past Defaults
or the rights of Holders of Securities to receive payments of principal of, or interest or
premium or Additional Amounts, if any, on the Securities;

          (6) impair the rights of Holders to convert their Securities, if convertible, upon the
terms established pursuant to or in accordance with the provisions of this Indenture; or

          (7) make any change in the amendment and waiver provisions set forth in clauses (1)
through (6) of this Section 9.02.

               Section 2.09 hereof shall determine which Securities are considered to be “Outstanding” for
purposes of this Section 9.02.

               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 Holders of one or more
particular series of Securities, or which modifies the rights of the Holders of Securities of that
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.

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          It is not necessary for the consent of the Holders of Securities under this Section 9.02 to
approve the particular form of any proposed amendment or waiver, but it is sufficient if such
consent approves the substance thereof.

          After an amendment, supplement or waiver under this Section 9.02 becomes effective, the
Company will mail to the Holders of Securities affected thereby a notice briefly describing the
amendment, supplement or waiver. Any failure of the Company to mail such notice, or any defect
therein, will not, however, in any way impair or affect the validity of any such amended or
supplemental indenture or waiver.

Section 9.03 Compliance with Trust Indenture Act.

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

Section 9.04 Revocation and Effect of Consents.

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

Section 9.05 Notation on or Exchange of Securities.

          The Trustee may place an appropriate notation about an amendment, supplement or waiver on any
Outstanding Security thereafter authenticated. The Company in exchange for all Outstanding
Securities of a series may issue and the Trustee shall, upon receipt of an Authentication Order,
authenticate new Securities of that series that reflect the amendment, supplement or waiver.

          Failure to make the appropriate notation or issue a new Security of that series will not
affect the validity and effect of such amendment, supplement or waiver.

Section 9.06 Trustee to Sign Amendments, etc.

          Upon the request of the Company accompanied by Board Resolutions authorizing the execution of
any amended or supplemental indenture, and upon the filing with the Trustee of evidence
satisfactory to the Trustee of the consent of the Holders of Securities as aforesaid, and upon
receipt by the Trustee of the documents described in Section 7.02 hereof, the Trustee will join
with the Company in the execution of an amended or supplemental indenture unless such amended or
supplemental indenture directly affects the Trustee’s own rights, duties, liabilities or immunities
under this Indenture or otherwise, in which case the Trustee may in its discretion, but will not be
obligated to, enter into such amended or supplemental indenture. In executing any amended or
supplemental indenture, the Trustee will be entitled to receive and (subject to

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Section 7.01 hereof) will be fully protected in relying upon, in addition to the documents
required by Section 13.04 hereof, an Officers’ Certificate and an Opinion of Counsel stating that
the execution of such amended or supplemental indenture is authorized or permitted by this
Indenture.

ARTICLE 10

SATISFACTION AND DISCHARGE

Section 10.01 Satisfaction and Discharge.

          This Indenture will be discharged and will cease to be of further effect as to any series of
Securities issued hereunder (except as to any surviving rights of registration of transfer or
exchange of Securities of that series herein expressly provided for and the right to receive
Additional Amounts), when:

          (1) either:

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

          (B) all Securities of that series that have not been delivered to the Trustee
for cancellation have become due and payable by reason of the making of a notice of
redemption or otherwise or will become due and payable within one year and the
Company has irrevocably deposited or caused to be deposited with the Trustee for
Securities of that series as trust funds in trust solely for the benefit of the
Holders, money in such currency or currencies, or currency unit or currency units,
in which such Securities are then specified as payable at maturity, non-callable
Government Obligations applicable to such Securities (determined on the basis of the
currency or currencies, or currency unit or currency units, in which such Securities
are then specified as payable at maturity), or a combination thereof, in such
amounts as will be sufficient without consideration of any reinvestment of interest,
to pay and discharge the entire indebtedness on such Securities not delivered to the
Trustee for cancellation for principal, premium and Additional Amounts, if any, and
accrued interest to the date of maturity or redemption;

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

          (3) the Company has paid or caused to be paid all sums payable by it under this
Indenture with respect to the Securities of that series; and

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     (4) the Company has delivered irrevocable instructions to the Trustee for Securities of
that series, to apply the money on deposit in the trust referred to in subclause (B) of
clause (1) above toward the payment of such Securities at maturity or on the redemption
date, as the case may be.

          In addition, the Company must deliver an Officers’ Certificate and an Opinion of Counsel to
the Trustee for Securities of that series stating that all conditions precedent to satisfaction and
discharge have been satisfied.

          Notwithstanding the satisfaction and discharge of this Indenture in respect of Securities of a
series, if money has been deposited with the Trustee pursuant to subclause (B) of clause (1) of
this Section, the provisions of Section 10.02 and Section 8.06 will survive. In addition, nothing
in this Section 10.01 will be deemed to discharge those provisions of Section 7.07 that, by their
terms, survive the satisfaction and discharge of this Indenture.

Section 10.02 Application of Trust Money.

          Subject to the provisions of Section 8.06, all money deposited with the Trustee in respect of
any Securities pursuant to Section 10.01 shall be held in trust and applied by it, in accordance
with the provisions of such Securities and this Indenture, to the payment, either directly or
through any Paying Agent (including the Company acting as its own Paying Agent) as the Trustee may
determine, to the Persons entitled thereto, of the principal (and premium, if any) and interest and
Additional Amounts for whose payment such money has been deposited with the Trustee; but such money
need not be segregated from other funds except to the extent required by law and Section 2.05.

          If the Trustee or Paying Agent is unable to apply any money or Government Obligations in
accordance with Section 10.01 in respect of any Securities by reason of any legal proceeding or by
reason of any order or judgment of any court or governmental authority enjoining, restraining or
otherwise prohibiting such application, the Company’s obligations under this Indenture and such
Securities shall be revived and reinstated as though no deposit had occurred pursuant to Section
10.01 and the provisions of Section 8.07 shall apply to the extent provided therein.

ARTICLE 11

SUBORDINATION OF SECURITIES

Section 11.01 Securities Subordinated to Senior Indebtedness.

          The Company covenants and agrees, and each Holder of Securities of any series, by his or her
acceptance thereof, likewise covenants and agrees, that the indebtedness represented by the
Securities and the payment of the principal of (and premium, if any), interest, if any, on, and
Additional Amounts, if any, payable in respect of 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 Senior Indebtedness. Notwithstanding anything contained herein to the contrary, payments
from money or the proceeds of Government Obligations held in trust under Article 8 by the Trustee
for the payment of principal of and interest on the Securities of
 

52

 

any series shall not be subordinated to the prior payment of any Senior Indebtedness of the
Company or subject to the restrictions set forth in this Article 11, and none of the Holders shall
be obligated to pay over any such amount to the Company or any holder of Senior Indebtedness of the
Company or any other creditor of the Company.

          In the event (a) of any distribution of assets of the Company upon any dissolution, winding
up, liquidation or reorganization of the Company whether in a bankruptcy, insolvency,
reorganization or receivership proceeding or upon an assignment for the benefit of creditors or any
other marshalling of the assets and liabilities of the Company or otherwise, except a distribution
in connection with a merger or consolidation or a conveyance or transfer of all or substantially
all of the properties of the Company which complies with the requirements of Article 5, or (b) that
a default shall have occurred and be continuing with respect to the payment of principal of (and
premium, if any), interest, if any, on, or Additional Amounts, if any, payable in respect of any
Senior Indebtedness, or (c) that the principal of the Securities of any series (or in the case of
Original Issue Discount Securities or Indexed Securities, the portion of the principal amount
thereof referred to in Section 6.02) shall have been declared due and payable pursuant to Section
6.02 and such declaration shall not have been rescinded and annulled as provided in Section 6.02,
then:

          (1) in a circumstance described in the foregoing clause (a) or (b) the holders of all
Senior Indebtedness, and in the circumstance described in the foregoing clause (c) the
holders of all Senior Indebtedness outstanding at the time the principal of such Securities
(or in the case of Original Issue Discount Securities or Indexed Securities, such portion of
the principal amount) shall have been so declared due and payable, shall first be entitled
to receive payment of the full amount due thereon in respect of principal (and premium, if
any), interest, if any, and additional amounts, if any, or provision shall be made for such
payment in money or money’s worth, before the Holders of any of the Securities of any series
are entitled to receive any payment on account of the principal (and premium, if any),
interest, if any, and Additional Amounts, if any, in respect of the indebtedness evidenced
by such Securities;

          (2) any payment by, or distribution of assets of, the Company of any kind or character,
whether in cash, property or securities (other than securities of the Company as reorganized
or readjusted or securities of the Company or any other corporation provided for by a plan
of reorganization or readjustment the payment of which is subordinate, at least to the
extent provided in this Article 11 with respect to the Securities, to the payment of all
Senior Indebtedness, provided that the rights of the holders of the Senior Indebtedness are
not altered by such reorganization or readjustment), to which the Holders of any of the
Securities of any series would be entitled except for the provisions of this Article 11
shall be paid or delivered by the person making such payment or distribution, whether a
trustee in bankruptcy, a receiver or liquidating trustee or otherwise, directly to the
holders of such Senior Indebtedness or their representative or representatives or to the
trustee or trustees under any indenture under which any instrument evidencing any of such
Senior Indebtedness may have been issued, ratably according to the aggregate amounts
remaining unpaid on account of such Senior Indebtedness held or represented by each, to the
extent necessary to make payment in full of all Senior Indebtedness remaining unpaid after
giving effect to any concurrent

53

 

payment or distribution (or provision therefor) to the holders of such Senior
Indebtedness, before any payment or distribution is made to the Holders of any of the
Securities of any series under this Indenture; and

          (3) in the event that, notwithstanding the foregoing, any payment by, or distribution
of assets of, the Company of any kind or character, whether in cash, property or securities
(other than securities of the Company as reorganized or readjusted or securities of the
Company or any other corporation provided for by a plan of reorganization or readjustment
the payment of which is subordinate, at least to the extent provided in this Article 11 with
respect to the Securities of any series, to the payment of all Senior Indebtedness, provided
that the rights of the holders of Senior Indebtedness are not altered by such reorganization
or readjustment), shall be received by the Holders of any of the Securities of any series
before all Senior Indebtedness is paid in full, such payment or distribution shall be paid
over to the holders of such Senior Indebtedness or their representative or representatives
or to the trustee or trustees under any indenture under which any instruments evidencing any
of such Senior Indebtedness may have been issued, ratably as aforesaid, 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
(or provision therefor) to the holders of such Senior Indebtedness.

Section 11.02 When Distribution Must Be Paid Over.

          If a distribution is made to Holders that because of this Article 11 should not have been made
to them, the Holders who receive the distribution shall hold it in trust for holders of Senior
Indebtedness of the Company until paid over to them in accordance with Section 11.01(3).

Section 11.03 Subrogation.

          Subject to the payment in full of all Senior Indebtedness to which the indebtedness evidenced
by the Securities of any series is in the circumstances subordinated as provided in Section 11.01,
the Holders of the Securities of any series shall be subrogated to the rights of the holders of
such Senior Indebtedness to receive payments or distributions of cash, property or securities of
the Company applicable to such Senior Indebtedness until all amounts owing on such Securities shall
be paid in full, and, as between the Company, its creditors other than holders of such Senior
Indebtedness, and the Holders of the Securities of any series, no such payment or distribution made
to the holders of such Senior Indebtedness by virtue of this Article 11 which otherwise would have
been made to the Holders of the Securities of any series shall be deemed to be a payment by the
Company on account of such Senior Indebtedness, it being understood that the provisions of this
Article 11 are and are intended solely for the purpose of defining the relative rights of the
Holders of the Securities, on the one hand, and the holders of Senior Indebtedness, on the other
hand.

54

 

Section 11.04 Obligation of the Company Unconditional.

          Nothing contained in this Article 11 or elsewhere in this Indenture or in the Securities of
any series is intended to or shall impair, as between the Company, its creditors other than the
holders of Senior Indebtedness, and the Holders of the Securities of any series, the obligation of
the Company, which is absolute and unconditional, to pay to the Holders of the Securities of any
series the principal of (and premium, if any), interest, if any, on, and Additional Amounts, if
any, in respect of such Securities as and when the same shall become due and payable in accordance
with their terms, or is intended to or shall affect the relative rights of the Holders of the
Securities of any series and creditors of the Company other than the holders of Senior
Indebtedness, nor shall anything herein or therein prevent the Trustee or the Holder of any
Securities of any series from exercising all remedies otherwise permitted by applicable law upon
default under this Indenture, subject to the rights, if any, under this Article 11 of the holders
of Senior Indebtedness in respect of cash, property or securities of the Company received upon the
exercise of any such remedy.

          Upon any payment or distribution of assets of the Company referred to in this Article 11, the
Trustee and the Holders of the Securities of any series shall be entitled to rely upon any order or
decree made by any court of competent jurisdiction in which any such dissolution, winding up,
liquidation or reorganization proceeding affecting the affairs of the Company is pending or upon a
certificate of the trustee in bankruptcy, receiver, assignee for the benefit of creditors,
liquidating trustee or agent or other person making any payment or distribution, delivered to the
Trustee or to the Holders of the Securities of any series, for the purpose of ascertaining the
persons entitled to participate in such payment or distribution, the holders of the Senior
Indebtedness and other indebtedness of the Company, the amount thereof or payable thereon, the
amount paid or distributed thereon and all other facts pertinent thereto or to this Article 11.

Section 11.05 Payments on Securities Permitted.

          Nothing contained in this Article 11 or elsewhere in this Indenture, or in any of the
Securities of any series, shall affect the obligation of the Company to make, or prevent the
Company from making, payment of the principal of (and premium, if any), interest, if any, on, and
Additional Amounts, if any, in respect of the Securities of any series in accordance with the
provisions hereof and thereof, except as otherwise provided in this Article 11.

Section 11.06 Effectuation of Subordination by Trustee.

          Each Holder of the Securities of any series, by his acceptance thereof, authorizes and directs
the Trustee on his or her behalf to take such action as may be necessary or appropriate to
effectuate the subordination provided in this Article 11 and appoints the Trustee his or her
attorney-in-fact for any and all such purposes.

Section 11.07 Knowledge of Trustee.

          Notwithstanding the provisions of this Article 11 or any other provisions of this Indenture,
the Trustee shall not be deemed to owe any fiduciary duty to the holders of Senior Indebtedness and
shall not be charged with knowledge of the existence of any facts
which would

55

 

prohibit the making of any payment or moneys to or by the Trustee, or the taking of any other
action by the Trustee, unless and until the Trustee shall have received written notice thereof from
the Company, any Holder of Securities of any series, any paying or conversion agent of the Company
or the holder or representative of any class of Senior Indebtedness; provided, however, that if the
Trustee shall not have received the notice provided for in this Section 11.07 at least three
Business Days prior to the date upon which, by the terms hereof, any money may become payable for
any purpose (including, without limitation, the payment of the principal of (or premium, if any) or
interest on, or Additional Amounts in respect of, any Security) then, anything herein contained to
the contrary notwithstanding, the Trustee shall have all power and authority to receive such money
and to apply the same to the purpose for which such money was received and shall not be affected by
any notice to the contrary which may be received by it during or after such three Business Day
period.

Section 11.08 Trustee May Hold Senior Indebtedness.

          The Trustee in its individual capacity shall be entitled to all the rights set forth in this
Article 11 with respect to any Senior Indebtedness at the time held by it, to the same extent as
any other holder of Senior Indebtedness, and nothing in TIA § 313 or elsewhere in this Indenture
shall deprive the Trustee of any of its rights as such holder.

          Nothing in this Article shall subordinate any claims of, or payments to, the Trustee (under or
pursuant to Section 7.07) to Senior Indebtedness.

Section 11.09 Rights of Holders of Senior Indebtedness Not Impaired.

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

ARTICLE 12

MISCELLANEOUS

Section 12.01 Trust Indenture Act Controls.

          If any provision of this Indenture limits, qualifies or conflicts with the duties imposed by
TIA § 318(c), the imposed duties will control.

Section 12.02 Notices.

          Any notice or communication by the Company or the Trustee to the others is duly given if in
writing in the English language and delivered in Person or mailed by first class mail (registered
or certified, return receipt requested), telex, telecopier or overnight air courier guaranteeing
next day delivery, to the others’ address:

          If to the Company:

56

 

	 	 	 
	 

	 	Pharmion Corporation
	 

	 	2525 28th Street
	 

	 	Boulder, Colorado 80301
	 

	 	Telecopier No.: (720) 564-9111
	 

	 	Attention: General Counsel

                                        With a copy to:

	 	 	 
	 

	 	Willkie Farr & Gallagher LLP
	 

	 	787 Seventh Avenue
	 

	 	New York, New York 10019-6099
	 

	 	Telecopier No.: (212) 728-8111
	 

	 	Attention: Peter H. Jakes, Esq.
	 

	 	William H. Gump, Esq.

                                        If to the Trustee:

	 	 	 
	 

	 	U.S. Bank National Association
	 

	 	425 Walnut ML CN WN 06 CT
	 

	 	Cincinnati, Ohio 45202
	 

	 	Telecopier No.: (513) 632-5511
	 

	 	Attention: Corporate Trust Administration

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

          All notices and communications (other than those sent to Holders) will be deemed to have been
duly given: at the time delivered by hand, if personally delivered; five Business Days after being
deposited in the mail, postage prepaid, if mailed; when receipt acknowledged, if telecopied; and
the next Business Day after timely delivery to the courier, if sent by overnight air courier
guaranteeing next day delivery.

          Any notice or communication to a Holder will be mailed by first class mail, certified or
registered, return receipt requested, or by overnight air courier guaranteeing next day delivery to
its address shown on the register kept by the Registrar. Any notice or communication will also be
so mailed to any Person described in TIA § 313(c), to the extent required by the TIA. Failure to
mail a notice or communication to a Holder or any defect in it will not affect its sufficiency with
respect to other Holders.

          If a notice or communication is mailed in the manner provided above within the time
prescribed, it is duly given, whether or not the addressee receives it.

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

57

 

Section 12.03 Communication by Holders of Securities with Other Holders of Securities.

          Holders may communicate pursuant to TIA § 312(b) with other Holders with respect to their
rights under this Indenture or the Securities. The Company, the Trustee, the Registrar and anyone
else shall have the protection of TIA § 312(c).

Section 12.04 Certificate and Opinion as to Conditions Precedent.

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

     (1) an Officers’ Certificate in form and substance reasonably satisfactory to the
Trustee (which must include the statements set forth in Section 12.05 hereof) stating that,
in the opinion of the signers, all conditions precedent and covenants, if any, provided for
in this Indenture relating to the proposed action have been satisfied; and

     (2) an Opinion of Counsel in form and substance reasonably satisfactory to the Trustee
(which must include the statements set forth in Section 12.05 hereof) stating that, in the
opinion of such counsel, all such conditions precedent and covenants have been satisfied.

          Notwithstanding the foregoing, in the case of any such request or application as to which the
furnishing of such documents is specifically required by any provision of this Indenture relating
to such particular request or application, no additional certificate or opinion need be furnished
unless specifically required.

Section 12.05 Statements Required in Certificate or Opinion.

          Each certificate or opinion with respect to compliance with a condition or covenant provided
for in this Indenture (other than a certificate provided pursuant to TIA § 314(a)(4)) must comply
with the provisions of TIA § 314(e) and must include:

     (1) a statement that the Person making such certificate or opinion has read such
covenant or condition;

     (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 such Person, he or she has made such
examination or investigation as is necessary to enable him or her to express an informed
opinion as to whether or not such covenant or condition has been satisfied; and

     (4) a statement as to whether or not, in the opinion of such Person, such condition or
covenant has been satisfied.

58

 

Section 12.06 Rules by Trustee and Agents.

          The Trustee may make reasonable rules for action by or at a meeting of Holders. The Registrar
or Paying Agent may make reasonable rules and set reasonable requirements for its functions.

Section 12.07 No Personal Liability of Directors, Officers, Employees and Stockholders.

          No director, officer, employee or stockholder of the Company or any of its Subsidiaries, as
such, will have any liability for any obligations of the Company or any of its Subsidiaries under
the Securities or this Indenture based on, in respect of, or by reason of such obligations or their
creation. Each holder by accepting a Security waives and releases all such liability. The foregoing
waiver and release are an integral part of the consideration for the issuance of the Securities.

Section 12.08 Governing Law.

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

Section 12.09 No Adverse Interpretation of Other Agreements.

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

Section 12.10 Successors.

          All agreements of the Company in this Indenture and the Securities will bind its successors.
All agreements of the Trustee in this Indenture will bind its successors.

Section 12.11 Severability.

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

Section 12.12 Counterpart Originals.

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

59

 

Section 12.13 Table of Contents, Headings, etc.

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

Section 12.14 Benefits of Indenture.

          Nothing in this Indenture or the Securities express or implied, shall give to any Person,
other than the parties hereto and their successors hereunder and the Holders, any benefit or an
legal or equitable right, remedy or claim under this Indenture.

Section 12.15 Legal Holidays.

          In any case where any Interest Payment Date, redemption date, purchase date or stated maturity
of any Security shall not be a Business Day at any Place of Payment, then (notwithstanding any
other provision of this Indenture or of such Security (other than a provision of such Security
which specifically states that such provision shall apply in lieu of this Section)) payment of
interest or principal (and premium, if any) need not be made at such Place of Payment on such date,
but may be made on the next succeeding Business Day at such Place of Payment with the same force
and effect as if made on the Interest Payment Date, redemption date or purchase date, or at the
stated maturity.

Section 12.16 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. Except as herein otherwise expressly provided, such action shall become
effective when such instrument or instruments are delivered to the Trustee and, where it is hereby
expressly required, to the Company. Such instrument or instruments (and the action embodied
therein and evidenced thereby) are herein sometimes referred to as the “act” of the Holders signing
such instrument or instruments. 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 Trustee and the Company and any agent
of the Trustee or the Company, if made in the manner provided in this Section.

          (b) The fact and date of the execution of any such instrument or writing, or the authority of
the Person executing the same, may be proved in any reasonable manner which the Trustee deems
sufficient.

          (c) The ownership of Securities shall be proved by the register maintained by the Registrar.

60

 

          (d) If the Company shall solicit from the Holders of Securities any request, demand,
authorization, direction, notice, consent, waiver or other act, the Company may, at its option, in
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 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 purpose 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.

          (e) 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 Trustee, any Registrar,
any Paying Agent, any authenticating agent or the Company in reliance thereon, whether or not
notation of such action is made upon such Security.

SIGNATURES

	 	 	 	 	 	 	 
	Dated as of                     , 20                    
	 	 	 	 	 	 
	 	 	Pharmion Corporation	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 

Name:
	 	 
	 

	 	 	 	Title:	 	 
	 
	 	 	 	 	 	 
	 	 	TRUSTEE:	 	 
	 
	 	 	 	 	 	 
	 	 	U.S. Bank National Association	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 

Name:
	 	 
	 

	 	 	 	Title:	 	 

61

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