Document:

exv4w1

Exhibit 4.1

ONYX PHARMACEUTICALS, INC.

Issuer

AND

WELLS FARGO BANK, NATIONAL ASSOCIATION

Trustee

 

INDENTURE

Dated as of August 12, 2009

 

Senior Debt Securities

 

 

Table Of Contents

	 	 	 	 	 
	 	 	 	 	Page
	 
	 	 	 	 
	ARTICLE 1 DEFINITIONS	 	1
	Section 1.01
	 	Definitions of Terms	 	1
	 
	 	 	 	 
	ARTICLE 2 ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES	 	5
	Section 2.01
	 	Designation and Terms of Securities	 	5
	Section 2.02
	 	Form of Securities and Trustee’s Certificate	 	7
	Section 2.03
	 	Denominations: Provisions for Payment	 	7
	Section 2.04
	 	Execution and Authentication	 	9
	Section 2.05
	 	Registration of Transfer and Exchange	 	9
	Section 2.06
	 	Temporary Securities	 	10
	Section 2.07
	 	Mutilated, Destroyed, Lost or Stolen Securities	 	11
	Section 2.08
	 	Cancellation	 	12
	Section 2.09
	 	Benefits of Indenture	 	12
	Section 2.10
	 	Authenticating Agent	 	12
	Section 2.11
	 	Global Securities	 	13
	 
	 	 	 	 
	ARTICLE 3 REDEMPTION OF SECURITIES AND SINKING FUND PROVISIONS	 	14
	Section 3.01
	 	Redemption	 	14
	Section 3.02
	 	Notice of Redemption	 	14
	Section 3.03
	 	Payment Upon Redemption	 	15
	Section 3.04
	 	Sinking Fund	 	15
	Section 3.05
	 	Satisfaction of Sinking Fund Payments with Securities	 	16
	Section 3.06
	 	Redemption of Securities for Sinking Fund	 	16
	 
	 	 	 	 
	ARTICLE 4 COVENANTS	 	16
	Section 4.01
	 	Payment of Principal, Premium and Interest	 	16
	Section 4.02
	 	Maintenance of Office or Agency	 	17
	Section 4.03
	 	Paying Agents	 	17
	Section 4.04
	 	Appointment to Fill Vacancy in Office of Trustee	 	18
	Section 4.05
	 	Compliance with Consolidation Provisions	 	18
	Section 4.06
	 	Calculation of Original Issue Discount	 	18

i.

 

Table Of Contents

(CONTINUED)

	 	 	 	 	 
	 	 	 	 	Page
	 
	 	 	 	 
	ARTICLE 5 SECURITYHOLDERS’ LISTS AND REPORTS BY THE COMPANY AND THE TRUSTEE	 	18
	Section 5.01
	 	Company to Furnish Trustee Names and Addresses of Securityholders	 	18
	Section 5.02
	 	Preservation Of Information; Communications With Securityholders	 	19
	Section 5.03
	 	Reports by the Company	 	19
	Section 5.04
	 	Reports by the Trustee	 	19
	 
	 	 	 	 
	ARTICLE 6 REMEDIES OF THE TRUSTEE AND SECURITYHOLDERS ON EVENT OF DEFAULT	 	20
	Section 6.01
	 	Events of Default	 	20
	Section 6.02
	 	Collection of Indebtedness and Suits for Enforcement by Trustee	 	22
	Section 6.03
	 	Application of Moneys or Property Collected	 	23
	Section 6.04
	 	Limitation on Suits	 	23
	Section 6.05
	 	Rights and Remedies Cumulative; Delay or Omission Not Waiver	 	24
	Section 6.06
	 	Control by Securityholders	 	25
	Section 6.07
	 	Undertaking to Pay Costs	 	25
	 
	 	 	 	 
	ARTICLE 7 CONCERNING THE TRUSTEE	 	26
	Section 7.01
	 	Certain Duties and Responsibilities of Trustee	 	26
	Section 7.02
	 	Certain Rights of Trustee	 	27
	Section 7.03
	 	Trustee Not Responsible for Recitals or Issuance or Securities	 	28
	Section 7.04
	 	May Hold Securities	 	28
	Section 7.05
	 	Moneys Held in Trust	 	28
	Section 7.06
	 	Compensation and Reimbursement	 	29
	Section 7.07
	 	Reliance on Officers’ Certificate and Opinions	 	30
	Section 7.08
	 	Disqualification; Conflicting Interests	 	30
	Section 7.09
	 	Corporate Trustee Required; Eligibility	 	30
	Section 7.10
	 	Resignation and Removal; Appointment of Successor	 	30
	Section 7.11
	 	Acceptance of Appointment By Successor	 	32
	Section 7.12
	 	Merger, Conversion, Consolidation or Succession to Business	 	33

ii.

 

Table Of Contents

(CONTINUED)

	 	 	 	 	 
	 	 	 	 	Page
	 
	 	 	 	 
	Section 7.13
	 	Preferential Collection of Claims Against the Company	 	33
	Section 7.14
	 	Notice of Default	 	34
	 
	 	 	 	 
	ARTICLE 8 CONCERNING THE SECURITYHOLDERS	 	34
	Section 8.01
	 	Evidence of Action by Securityholders	 	34
	Section 8.02
	 	Proof of Execution by Securityholders	 	34
	Section 8.03
	 	Who May be Deemed Owners	 	35
	Section 8.04
	 	Certain Securities Owned by Company Disregarded	 	35
	Section 8.05
	 	Actions Binding on Future Securityholders	 	35
	 
	 	 	 	 
	ARTICLE 9 SUPPLEMENTAL INDENTURES	 	36
	Section 9.01
	 	Supplemental Indentures Without the Consent of Securityholders	 	36
	Section 9.02
	 	Supplemental Indentures With Consent of Securityholders	 	37
	Section 9.03
	 	Effect of Supplemental Indentures	 	37
	Section 9.04
	 	Securities Affected by Supplemental Indentures	 	38
	Section 9.05
	 	Execution of Supplemental Indentures	 	38
	 
	 	 	 	 
	ARTICLE 10 SUCCESSOR ENTITY	 	38
	Section 10.01
	 	Company May Consolidate, Etc.	 	38
	Section 10.02
	 	Successor Entity Substituted	 	39
	Section 10.03
	 	Evidence of Consolidation, Etc. to Trustee	 	40
	 
	 	 	 	 
	ARTICLE 11 SATISFACTION AND DISCHARGE	 	40
	Section 11.01
	 	Satisfaction and Discharge of Indenture	 	40
	Section 11.02
	 	Discharge of Obligations	 	40
	Section 11.03
	 	Deposited Moneys to be Held in Trust	 	41
	Section 11.04
	 	Payment of Moneys Held by Paying Agents	 	41
	Section 11.05
	 	Repayment to Company	 	41
	 
	 	 	 	 
	ARTICLE 12 IMMUNITY OF INCORPORATORS, STOCKHOLDERS, OFFICERS AND DIRECTORS	 	41
	Section 12.01
	 	No Recourse	 	41
	 
	 	 	 	 
	ARTICLE 13 MISCELLANEOUS PROVISIONS	 	42
	Section 13.01
	 	Effect on Successors and Assigns	 	42
	Section 13.02
	 	Actions by Successor	 	42

iii.

 

Table Of Contents

(CONTINUED)

	 	 	 	 	 
	 	 	 	 	Page
	 
	 	 	 	 
	Section 13.03
	 	Surrender of Company Powers	 	42
	Section 13.04
	 	Notices	 	42
	Section 13.05
	 	Governing Law	 	43
	Section 13.06
	 	Treatment of Securities as Debt	 	43
	Section 13.07
	 	Certificates and Opinions as to Conditions Precedent	 	43
	Section 13.08
	 	Payments on Business Days	 	43
	Section 13.09
	 	Conflict with Trust Indenture Act	 	44
	Section 13.10
	 	Counterparts	 	44
	Section 13.11
	 	Separability	 	44
	Section 13.12
	 	Compliance Certificates	 	44

 

			
	(1)	 	This Table of Contents does not constitute part of the Indenture and shall not have any
bearing on the interpretation of any of its terms or provisions.

iv.

 

INDENTURE

     Indenture, dated as of August 12, 2009, among Onyx Pharmaceuticals, Inc., a
Delaware corporation (the “Company”), and Wells Fargo Bank, National Association, as trustee (the
“Trustee”):

     Whereas, for its lawful corporate purposes, the Company has duly authorized the
execution and delivery of this Indenture to provide for the issuance of debt securities
(hereinafter referred to as the “Securities”), in an unlimited aggregate principal amount to be
issued from time to time in one or more series as in this Indenture provided, as registered
Securities without coupons, to be authenticated by the certificate of the Trustee;

     Whereas, to provide the terms and conditions upon which the Securities are to be
authenticated, issued and delivered, the Company has duly authorized the execution of this
Indenture; and

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

     Now, Therefore, in consideration of the premises and the purchase of the Securities
by the holders thereof, it is mutually covenanted and agreed as follows for the equal and ratable
benefit of the holders of Securities:

ARTICLE 1

DEFINITIONS

     Section 1.01 Definitions of Terms.

     The terms defined in this Section (except as in this Indenture or any indenture supplemental
hereto otherwise expressly provided or unless the context otherwise requires) for all purposes of
this Indenture and of any indenture supplemental hereto shall have the respective meanings
specified in this Section and shall include the plural as well as the singular. All other terms
used in this Indenture that are defined in the Trust Indenture Act of 1939, as amended, or that are
by reference in such Act defined in the Securities Act of 1933, as amended (except as herein or any
indenture supplemental hereto otherwise expressly provided or unless the context otherwise
requires), shall have the meanings assigned to such terms in said Trust Indenture Act and in said
Securities Act as in force at the date of the execution of this instrument.

     “Authenticating Agent” means an authenticating agent with respect to all or any of the series
of Securities appointed by the Trustee pursuant to Section 2.10.

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

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

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

     “Business Day” means, with respect to any series of Securities, any day other than a day on
which federal or state banking institutions in the Borough of Manhattan, the City of New York, or
in the city of the Corporate Trust Office of the Trustee, are authorized or obligated by law,
executive order or regulation to close.

     “Certificate” means a certificate signed by any Officer. The Certificate need not comply with
the provisions of Section 13.07.

     “Company” means Onyx Pharmaceuticals, Inc., a corporation duly organized and existing under
the laws of the State of Delaware, and, subject to the provisions of Article Ten, shall also
include its successors and assigns.

     “Corporate Trust Office” means the office of the Trustee at which, at any particular time, its
corporate trust business shall be principally administered, which office at the date hereof is
located at Wells Fargo Bank, National Association, 625 Marquette Avenue, MAC N9311-110,
Minneapolis, MN 55479.

     “Custodian” means any receiver, trustee, assignee, liquidator or similar official under any
Bankruptcy Law.

     “Default” means any event, act or condition that with notice or lapse of time, or both, would
constitute an Event of Default.

     “Depositary” means, with respect to Securities of any series for which the Company shall
determine that such Securities will be issued as a Global Security, The Depository Trust Company,
New York, New York, another clearing agency, or any successor registered as a clearing agency under
the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or other applicable
statute or regulation, which, in each case, shall be designated by the Company pursuant to either
Section 2.01 or 2.11.

     “Event of Default” means, with respect to Securities of a particular series, any event
specified in Section 6.01, continued for the period of time, if any, therein designated.

     “Global Security” means, with respect to any series of Securities, a Security executed by the
Company and delivered by the Trustee to the Depositary or pursuant to the Depositary’s instruction,
all in accordance with the Indenture, which shall be registered in the name of the Depositary or
its nominee.

     “Governmental Obligations” means securities that are (a) direct obligations of the United
States of America for the payment of which its full faith and credit is pledged or (b) obligations
of a Person controlled or supervised by and acting as an agency or instrumentality of the United
States of America, the payment of which is unconditionally guaranteed as a full faith and credit
obligation by the United States of America that, in either case, are not callable or redeemable at
the option of the issuer thereof at any time prior to the stated maturity of the Securities, and
shall

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also include a depositary receipt issued by a bank or trust company as custodian with respect
to any such Governmental Obligation or a specific payment of principal of or interest on any such
Governmental Obligation held by such custodian for the account of the holder of such depositary
receipt; provided, however, that (except as required by law) such custodian is not authorized to
make any deduction from the amount payable to the holder of such depositary receipt from any amount
received by the custodian in respect of the Governmental Obligation or the specific payment of
principal of or interest on the Governmental Obligation evidenced by such depositary receipt.

     “herein”, “hereof” and “hereunder”, and other words of similar import, refer to this Indenture
as a whole and not to any particular Article, Section or other subdivision.

     “Indenture” means 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 in accordance
with the terms hereof.

     “Interest Payment Date”, when used with respect to any installment of interest on a Security
of a particular series, means the date specified in such Security or in a Board Resolution or in an
indenture supplemental hereto with respect to such series as the fixed date on which an installment
of interest with respect to Securities of that series is due and payable.

     “Officer” means, with respect to the Company, the chairman of the Board of Directors, a chief
executive officer, a president, a chief financial officer, chief operating officer, any executive
vice president, any senior vice president, any vice president, the treasurer or any assistant
treasurer, the controller or any assistant controller or the secretary or any assistant secretary.

     “Officers’ Certificate” means a certificate signed by any two Officers. Each such certificate
shall include the statements provided for in Section 13.07, if and to the extent required by the
provisions thereof.

     “Opinion of Counsel” means an opinion in writing subject to customary exceptions of legal
counsel, who may be an employee of or counsel for the Company, that is delivered to the Trustee in
accordance with the terms hereof. Each such opinion shall include the statements provided for in
Section 13.07, if and to the extent required by the provisions thereof.

     “Outstanding”, when used with reference to Securities of any series, means, subject to the
provisions of Section 8.04, as of any particular time, all Securities of that series theretofore
authenticated and delivered by the Trustee under this Indenture, except (a) Securities theretofore
canceled by the Trustee or any paying agent, or delivered to the Trustee or any paying agent for
cancellation or that have previously been canceled; (b) Securities or portions thereof for the
payment or redemption of which moneys or Governmental Obligations in the necessary amount shall
have been deposited in trust with the Trustee or with any paying agent (other than the Company) or
shall have been set aside and segregated in trust by the Company (if the Company shall act as its
own paying agent); provided, however, that if such Securities or portions of such Securities are to
be redeemed prior to the maturity thereof, notice of such redemption shall have been given as in
Article Three provided, or provision satisfactory to the Trustee shall have been

3

 

made for giving such notice; and (c) Securities in lieu of or in substitution for which other
Securities shall have been authenticated and delivered pursuant to the terms of Section 2.07.

     “Person” means any individual, corporation, partnership, joint venture, joint-stock company,
limited liability company, association, trust, unincorporated organization, any other entity or
organization, including a government or political subdivision or an agency or instrumentality
thereof.

     “Predecessor Security” of any particular Security means every previous Security evidencing all
or a portion of the same debt as that evidenced by such particular Security; and, for the purposes
of this definition, any Security authenticated and delivered under Section 2.07 in lieu of a lost,
destroyed or stolen Security shall be deemed to evidence the same debt as the lost, destroyed or
stolen Security.

     “Responsible Officer” when used with respect to the Trustee means any officer or authorized
representative of the Trustee within the Corporate Trust Office of the Trustee with direct
responsibility for the administration of this Indenture and also, with respect to a particular
matter, any other officer of the Trustee to whom such matter is referred because of such officer’s
knowledge and familiarity with the particular subject.

     “Securities” means the debt Securities authenticated and delivered under this Indenture.

     “Securityholder”, “holder of Securities”, “registered holder”, or other similar term, means
the Person or Persons in whose name or names a particular Security shall be registered on the books
of the Security Register kept for that purpose in accordance with the terms of this Indenture.

     “Security Register” and “Security Registrar” shall have the meanings as set forth in Section
2.05.

     “Subsidiary” means, with respect to any Person, (i) any corporation at least a majority of
whose outstanding Voting Stock shall at the time be owned, directly or indirectly, by such Person
or by one or more of its Subsidiaries or by such Person and one or more of its Subsidiaries, (ii)
any general partnership, joint venture or similar entity, at least a majority of whose outstanding
partnership or similar interests shall at the time be owned by such Person, or by one or more of
its Subsidiaries, or by such Person and one or more of its Subsidiaries and (iii) any limited
partnership of which such Person or any of its Subsidiaries is a general partner.

     “Trustee” means Wells Fargo Bank, National Association, and, subject to the provisions of
Article Seven, shall also include its successors and assigns, and, if at any time there is more
than one Person acting in such capacity hereunder, “Trustee” shall mean each such Person. The term
“Trustee” as used with respect to a particular series of the Securities shall mean the trustee with
respect to that series.

     “Trust Indenture Act” means the Trust Indenture Act of 1939, as amended.

     “Voting Stock”, as applied to stock of any Person, means shares, interests, participations or
other equivalents in the equity interest (however designated) in such Person having ordinary

4

 

voting power for the election of a majority of the directors (or the equivalent) of such
Person, other than shares, interests, participations or other equivalents having such power only by
reason of the occurrence of a contingency.

ARTICLE 2

ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND

EXCHANGE OF SECURITIES

     Section 2.01 Designation and Terms of Securities.

          (a) The aggregate principal amount of Securities that may be authenticated and delivered under
this Indenture is unlimited. The Securities may be issued in one or more series up to the
aggregate principal amount of Securities of that series from time to time authorized by or pursuant
to a Board Resolution or pursuant to one or more indentures supplemental hereto. Prior to the
initial issuance of Securities of any series, there shall be established in or pursuant to a Board
Resolution, and set forth in an Officers’ Certificate, or established in one or more indentures
supplemental hereto:

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

               (2) any limit upon the aggregate principal amount of the Securities of that 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 that
series);

               (3) the date or dates on which the principal of the Securities of the series is payable, any
original issue discount that may apply to the Securities of that series upon their issuance, the
principal amount due at maturity, and the place(s) of payment;

               (4) the rate or rates at which the Securities of the series shall bear interest or the manner
of calculation of such rate or rates, if any;

               (5) the date or dates from which such interest shall accrue, the Interest Payment Dates on
which such interest will be payable or the manner of determination of such Interest Payment Dates,
the place(s) of payment, and the record date for the determination of holders to whom interest is
payable on any such Interest Payment Dates or the manner of determination of such record dates;

               (6) the right, if any, to extend the interest payment periods and the duration of such
extension;

               (7) the period or periods within which, the price or prices at which and the terms and
conditions upon which Securities of the series may be redeemed, in whole or in part, at the option
of the Company;

5

 

               (8) the obligation, if any, of the Company to redeem or purchase Securities of the series
pursuant to any sinking fund, mandatory redemption, or analogous provisions (including payments
made in cash in satisfaction of future sinking fund obligations) or at the option of a holder
thereof and the period or periods within which, the price or prices at which, and the terms and
conditions upon which, Securities of the series shall be redeemed or purchased, in whole or in
part, pursuant to such obligation;

               (9) the form of the Securities of the series including the form of the certificate of
authentication for such series;

               (10) if other than denominations of one thousand U.S. dollars ($1,000) or any integral
multiple thereof, the denominations in which the Securities of the series shall be issuable;

               (11) any and all other terms (including terms, to the extent applicable, relating to any
auction or remarketing of the Securities of that series and any security for the obligations of the
Company with respect to such Securities) with respect to such series (which terms shall not be
inconsistent with the terms of this Indenture, as amended by any supplemental indenture) including
any terms which may be required by or advisable under United States laws or regulations or
advisable in connection with the marketing of Securities of that series;

               (12) whether the Securities are issuable as a Global Security and, in such case, the terms and
the identity of the Depositary for such series;

               (13) whether the Securities will be convertible into or exchangeable for shares of common
stock or other securities of the Company or any other Person and, if so, the terms and conditions
upon which such Securities will be so convertible or exchangeable, including the conversion or
exchange price, as applicable, or how it will be calculated and may be adjusted, any mandatory or
optional (at the Company’s option or the holders’ option) conversion or exchange features, and the
applicable conversion or exchange period;

               (14) if other than the principal amount thereof, the portion of the principal amount of
Securities of the series which shall be payable upon declaration of acceleration of the maturity
thereof pursuant to Section 6.01;

               (15) any additional or different Events of Default or restrictive covenants (which may
include, among other restrictions, restrictions on the Company’s ability or the ability of the
Company’s Subsidiaries to: incur additional indebtedness; issue additional securities; create
liens; pay dividends or make distributions in respect of their capital stock; redeem capital stock;
place restrictions on such Subsidiaries placing restrictions on their ability to pay dividends,
make distributions or transfer assets; make investments or other restricted payments; sell or
otherwise dispose of assets; enter into sale-leaseback transactions; engage in transactions with
stockholders and affiliates; issue or sell stock of their Subsidiaries; or effect a consolidation
or merger) or financial covenants (which may include, among other financial covenants, financial
covenants that require the Company and its Subsidiaries to maintain specified interest coverage,
fixed charge, cash flow-based or asset-based ratios) provided for with respect to the Securities of
the series;

6

 

               (16) if other than dollars, the coin or currency in which the Securities of the series are
denominated (including, but not limited to, foreign currency);

               (17) the terms and conditions, if any, upon which the Company shall pay amounts in addition to
the stated interest, premium, if any and principal amounts of the Securities of the series to any
Securityholder that is not a “United States person” for federal tax purposes; and

               (18) any restrictions on transfer, sale or assignment of the Securities of the series.

     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 any such Board Resolution or in any
indentures supplemental hereto.

     If any of the terms of the series are established by action taken pursuant to a Board
Resolution of the Company, a copy of an appropriate record of such action 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 of the Company setting forth the terms of the series.

     Securities of any particular series may be issued at various times, with different dates on
which the principal or any installment of principal is payable, with different rates of interest,
if any, or different methods by which rates of interest may be determined, with different dates on
which such interest may be payable and with different redemption dates.

     Section 2.02 Form of Securities and Trustee’s Certificate.

     The Securities of any series and the Trustee’s certificate of authentication to be borne by
such Securities shall be substantially of the tenor and purport as set forth in one or more
indentures supplemental hereto or as provided in a Board Resolution, and set forth in an Officers’
Certificate, and they may have such letters, numbers or other marks of identification or
designation and such legends or endorsements printed, lithographed or engraved 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 securities exchange on which Securities of that series may be
listed, or to conform to usage.

     Section 2.03 Denominations: Provisions for Payment.

     The Securities shall be issuable as registered Securities and in the denominations of one
thousand U.S. dollars ($1,000) or any integral multiple thereof, subject to Section 2.01(a)(10).
The Securities of a particular series shall bear interest payable on the dates and at the rate
specified with respect to that series. Subject to Section 2.01(a)(16), the principal of and the
interest on the Securities of any series, as well as any premium thereon in case of redemption
thereof prior to maturity, shall be payable in the coin or currency of the United States of America
that at the time is legal tender for public and private debt, at the office or agency of the
Company maintained for that purpose. Each Security shall be dated the date of its authentication.
Interest on the Securities shall be computed on the basis of a 360-day year composed of twelve
30-day
months.

7

 

     The interest installment on any Security that is payable, and is punctually paid or duly
provided for, on any Interest Payment Date for Securities of that series shall be paid to the
Person in whose name said Security (or one or more Predecessor Securities) is registered at the
close of business on the regular record date for such interest installment. In the event that any
Security of a particular series or portion thereof is called for redemption and the redemption date
is subsequent to a regular record date with respect to any Interest Payment Date and prior to such
Interest Payment Date, interest on such Security will be paid upon presentation and surrender of
such Security as provided in Section 3.03.

     Any interest on any Security that is payable, but is not punctually paid or duly provided for,
on any Interest Payment Date for Securities of the same series (herein called “Defaulted Interest”)
shall forthwith cease to be payable to the registered holder on the relevant regular record date by
virtue of having been such holder; and such Defaulted Interest shall be paid by the Company, at its
election, as provided in clause (1) or clause (2) below:

               (1) The Company may make payment of any Defaulted Interest on Securities to the Persons in
whose names such Securities (or their respective Predecessor Securities) are registered at the
close of business on a special record date for the payment of such Defaulted Interest, which shall
be fixed in the following manner: the Company shall notify the Trustee in writing of the amount of
Defaulted Interest proposed to be paid on each such Security and the date of the proposed payment,
and at the same time the Company shall deposit with the Trustee an amount of money equal to the
aggregate amount proposed to be paid in respect of such Defaulted Interest or shall make
arrangements satisfactory to the Trustee for such deposit prior to the date of the proposed
payment, such money when deposited to be held in trust for the benefit of the Persons entitled to
such Defaulted Interest as in this clause provided. Thereupon the Trustee shall fix a special
record date for the payment of such Defaulted Interest which shall not be more than 15 nor less
than 10 days prior to the date of the proposed payment and not less than 10 days after the receipt
by the Trustee of the notice of the proposed payment. The Trustee shall promptly notify the
Company of such special record date and, in the name and at the expense of the Company, shall cause
notice of the proposed payment of such Defaulted Interest and the special record date therefor to
be delivered electronically or mailed, first class postage prepaid, to each Securityholder at his
or her address as it appears in the Security Register (as hereinafter defined), not less than 10
days prior to such special record date. Notice of the proposed payment of such Defaulted Interest
and the special record date therefor having been delivered as aforesaid, such Defaulted Interest
shall be paid to the Persons in whose names such Securities (or their respective Predecessor
Securities) are registered on such special record date.

               (2) The Company may make payment of any Defaulted Interest on any Securities in any other
lawful manner not inconsistent with the requirements of any securities exchange on which such
Securities may be listed, and upon such notice as may be required by such exchange, if, after
notice given by the Company to the Trustee of the proposed payment pursuant to this clause, such
manner of payment shall be deemed practicable by the Trustee.

     Unless otherwise set forth in a Board Resolution or one or more indentures supplemental hereto
establishing the terms of any series of Securities pursuant to Section 2.01 hereof, the term

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“regular record date” as used in this Section with respect to a series of Securities and any
Interest Payment Date for such series shall mean either the fifteenth day of the month immediately
preceding the month in which an Interest Payment Date established for such series pursuant to
Section 2.01 hereof shall occur, if such Interest Payment Date is the first day of a month, or the
first day of the month in which an Interest Payment Date established for such series pursuant to
Section 2.01 hereof shall occur, if such Interest Payment Date is the fifteenth day of a month,
whether or not such date is a Business Day.

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

     Section 2.04 Execution and Authentication.

     The Securities shall be signed on behalf of the Company by one of its Officers. Signatures
may be in the form of a manual or facsimile signature.

     The Company may use the facsimile signature of any Person who shall have been an Officer at
the time of execution, notwithstanding the fact that at the time the Securities shall be
authenticated and delivered or disposed of such Person shall have ceased to be such an officer of
the Company, and in such case the Securities shall be valid nevertheless. The Securities may
contain such notations, legends or endorsements required by law, stock exchange rule or usage.
Each Security shall be dated the date of its authentication by the Trustee.

     A Security shall not be valid until authenticated manually by an authorized signatory of the
Trustee, or by an Authenticating Agent. Such signature shall be conclusive evidence that the
Security so authenticated has been duly authenticated and delivered hereunder and that the holder
is entitled to the benefits of this Indenture. At any time and from time to time after the
execution and delivery of this Indenture, the Company may deliver Securities of any series executed
by the Company to the Trustee for authentication, together with a written order of the Company for
the authentication and delivery of such Securities, signed by an Officer, and the Trustee in
accordance with such written order shall authenticate and deliver such Securities.

     In authenticating such Securities and accepting the additional responsibilities under this
Indenture in relation to such Securities, the Trustee shall be entitled to receive, and (subject to
Section 7.01) shall be fully protected in relying upon, an Opinion of Counsel stating that the form
and terms thereof have been established in conformity with the provisions of this Indenture.

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

     Section 2.05 Registration of Transfer and Exchange.

          (a) Securities of any series may be exchanged upon presentation thereof at the office or
agency of the Company designated for such purpose for other Securities of such series

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of authorized denominations, and for a like aggregate principal amount, upon payment of a sum
sufficient to cover any tax or other governmental charge in relation thereto, all as provided in
this Section. In respect of any Securities so surrendered for exchange, the Company shall execute,
the Trustee shall authenticate and such office or agency shall deliver in exchange therefor the
Security or Securities of the same series that the Securityholder making the exchange shall be
entitled to receive, bearing numbers not contemporaneously outstanding.

          (b) The Company shall keep, or cause to be kept, at its office or agency designated for such
purpose, or such other location designated by the Company, a register or registers (herein referred
to as the “Security Register”) in which, subject to such reasonable regulations as it may
prescribe, the Company shall register the Securities and the transfers of Securities as in this
Article provided and which at all reasonable times shall be open for inspection by the Trustee.
The registrar for the purpose of registering Securities and transfer of Securities as herein
provided shall be appointed as authorized by Board Resolution (the “Security Registrar”).

     Upon surrender for transfer of any Security at the office or agency of the Company designated
for such purpose, the Company shall execute, the Trustee shall authenticate and such office or
agency shall deliver in the name of the transferee or transferees a new Security or Securities of
the same series as the Security presented for a like aggregate principal amount.

     All Securities presented or surrendered for exchange or registration of transfer, as provided
in this Section, shall be accompanied (if so required by the Company or the Security Registrar) by
a written instrument or instruments of transfer, in form satisfactory to the Company or the
Security Registrar, duly executed by the registered holder or by such holder’s duly authorized
attorney in writing.

          (c) Except as provided pursuant to Section 2.01 pursuant to a Board Resolution, and set forth
in an Officers’ Certificate, or established in one or more indentures supplemental to this
Indenture, no service charge shall be made for any exchange or registration of transfer of
Securities, or issue of new Securities in case of partial redemption of any series, but the Company
may require payment of a sum sufficient to cover any tax or other governmental charge in relation
thereto, other than exchanges pursuant to Section 2.06, Section 3.03(b) and Section 9.04 not
involving any transfer.

          (d) The Company shall not be required (i) to issue, exchange or register the transfer of any
Securities during a period beginning at the opening of business 15 days before the day of the
sending of a notice of redemption of less than all the Outstanding Securities of the same series
and ending at the close of business on the day of such sending, nor (ii) to register the transfer
of or exchange any Securities of any series or portions thereof called for redemption, other than
the unredeemed portion of any such Securities being redeemed in part. The provisions of this
Section 2.05 are, with respect to any Global Security, subject to Section 2.11 hereof.

     Section 2.06 Temporary Securities.

     Pending the preparation of definitive Securities of any series, the Company may execute, and
the Trustee shall authenticate and deliver, temporary Securities (printed, lithographed or

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typewritten) of any authorized denomination. Such temporary Securities shall be substantially
in the form of the definitive Securities in lieu of which they are issued, but with such omissions,
insertions and variations as may be appropriate for temporary Securities, all as may be determined
by the Company. Every temporary Security of any series shall be executed by the Company and be
authenticated by the Trustee upon the same conditions and in substantially the same manner, and
with like effect, as the definitive Securities of such series. Without unnecessary delay the
Company will execute and will furnish definitive Securities of such series and thereupon any or all
temporary Securities of such series may be surrendered in exchange therefor (without charge to the
holders), at the office or agency of the Company designated for the purpose, and the Trustee shall
authenticate and such office or agency shall deliver in exchange for such temporary Securities an
equal aggregate principal amount of definitive Securities of such series, unless the Company
advises the Trustee to the effect that definitive Securities need not be executed and furnished
until further notice from the Company. Until so exchanged, the temporary Securities of such series
shall be entitled to the same benefits under this Indenture as definitive Securities of such series
authenticated and delivered hereunder.

     Section 2.07 Mutilated, Destroyed, Lost or Stolen Securities.

     In case any temporary or definitive Security shall become mutilated or be destroyed, lost or
stolen, the Company (subject to the next succeeding sentence) shall execute, and upon the Company’s
request the Trustee (subject as aforesaid) shall authenticate and deliver, a new Security of the
same series, bearing a number not contemporaneously outstanding, in exchange and substitution for
the mutilated Security, or in lieu of and in substitution for the Security so destroyed, lost or
stolen. In every case the applicant for a substituted Security shall furnish to the Company and
the Trustee such security or indemnity as may be required by them to save each of them harmless,
and, in every case of destruction, loss or theft, the applicant shall also furnish to the Company
and the Trustee evidence to their satisfaction of the destruction, loss or theft of the applicant’s
Security and of the ownership thereof. The Trustee may authenticate any such substituted Security
and deliver the same upon the written request or authorization of any officer of the Company. Upon
the issuance of any substituted Security, the Company may require the payment of a sum sufficient
to cover any tax or other governmental charge that may be imposed in relation thereto and any other
expenses (including the fees and expenses of the Trustee) connected therewith.

     In case any Security that has matured or is about to mature shall become mutilated or be
destroyed, lost or stolen, the Company may, instead of issuing a substitute Security, pay or
authorize the payment of the same (without surrender thereof except in the case of a mutilated
Security) if the applicant for such payment shall furnish to the Company and the Trustee such
security or indemnity as they may require to save them harmless, and, in case of destruction, loss
or theft, evidence to the satisfaction of the Company and the Trustee of the destruction, loss or
theft of such Security and of the ownership thereof.

     Every replacement Security issued pursuant to the provisions of this Section shall constitute
an additional contractual obligation of the Company whether or not the mutilated, destroyed, lost
or stolen Security shall be found at any time, or be enforceable by anyone, and shall be entitled
to all the benefits of this Indenture equally and proportionately with any and all other Securities
of the same series duly issued hereunder. All Securities shall be held and owned

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upon the express condition that the foregoing provisions are exclusive with respect to the
replacement or payment of mutilated, destroyed, lost or stolen Securities, and shall preclude (to
the extent lawful) any and all other rights or remedies, notwithstanding any law or statute
existing or hereafter enacted to the contrary with respect to the replacement or payment of
negotiable instruments or other securities without their surrender.

     Section 2.08 Cancellation.

     All Securities surrendered for the purpose of payment, redemption, exchange or registration of
transfer shall, if surrendered to the Company or any paying agent, be delivered to the Trustee for
cancellation, or, if surrendered to the Trustee, shall be cancelled by it, and no Securities shall
be issued in lieu thereof except as expressly required or permitted by any of the provisions of
this Indenture. In the absence of such request the Trustee may dispose of canceled Securities in
accordance with its standard procedures and deliver a certificate of cancellation to the Company.
If the Company shall otherwise acquire any of the Securities, however, such acquisition shall not
operate as a redemption or satisfaction of the indebtedness represented by such Securities unless
and until the same are delivered to the Trustee for cancellation.

     Section 2.09 Benefits of Indenture.

     Nothing in this Indenture or in the Securities, express or implied, shall give or be construed
to give to any Person, other than the parties hereto and the holders of the Securities any legal or
equitable right, remedy or claim under or in respect of this Indenture, or under any covenant,
condition or provision herein contained; all such covenants, conditions and provisions being for
the sole benefit of the parties hereto and of the holders of the Securities.

     Section 2.10 Authenticating Agent.

     So long as any of the Securities of any series remain Outstanding there may be an
Authenticating Agent for any or all such series of Securities which the Trustee shall have the
right to appoint. Said Authenticating Agent shall be authorized to act on behalf of the Trustee to
authenticate Securities of such series issued upon exchange, transfer or partial redemption
thereof, and Securities so authenticated shall be entitled to the benefits of this Indenture and
shall be valid and obligatory for all purposes as if authenticated by the Trustee hereunder. All
references in this Indenture to the authentication of Securities by the Trustee shall be deemed to
include authentication by an Authenticating Agent for such series. Each Authenticating Agent shall
be acceptable to the Company and shall be a corporation that has a combined capital and surplus, as
most recently reported or determined by it, sufficient under the laws of any jurisdiction under
which it is organized or in which it is doing business to conduct a trust business, and that is
otherwise authorized under such laws to conduct such business and is subject to supervision or
examination by federal or state authorities. If at any time any Authenticating Agent shall cease
to be eligible in accordance with these provisions, it shall resign immediately.

     Any Authenticating Agent may at any time resign by giving written notice of resignation to the
Trustee and to the Company. The Trustee may at any time (and upon request by the Company shall)
terminate the agency of any Authenticating Agent by giving written notice of

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termination to such Authenticating Agent and to the Company. Upon resignation, termination or
cessation of eligibility of any Authenticating Agent, the Trustee may appoint an eligible successor
Authenticating Agent acceptable to the Company. Any successor Authenticating Agent, upon
acceptance of its appointment hereunder, shall become vested with all the rights, powers and duties
of its predecessor hereunder as if originally named as an Authenticating Agent pursuant hereto.

     Section 2.11 Global Securities.

          (a) If the Company shall establish pursuant to Section 2.01 that the Securities of a
particular series are to be issued as a Global Security, then the Company shall execute and the
Trustee shall, in accordance with Section 2.04, authenticate and deliver, a Global Security that
(i) shall represent, and shall be denominated in an amount equal to the aggregate principal amount
of, all of the Outstanding Securities of such series, (ii) shall be registered in the name of the
Depositary or its nominee, (iii) shall be held by the Trustee as custodian for the Depositary or
pursuant to the Depositary’s instruction and (iv) shall bear a legend substantially to the
following effect: “Except as otherwise provided in Section 2.11 of the Indenture, this Security may
be transferred, in whole but not in part, only to another nominee of the Depositary or to a
successor Depositary or to a nominee of such successor Depositary.”

          (b) Notwithstanding the provisions of Section 2.05, the Global Security of a series may be
transferred, in whole but not in part and in the manner provided in Section 2.05, only to another
nominee of the Depositary for such series, or to a successor Depositary for such series selected or
approved by the Company or to a nominee of such successor Depositary.

          (c) If at any time the Depositary for a series of the Securities notifies the Company that it
is unwilling or unable to continue as Depositary for such series or if at any time the Depositary
for such series shall no longer be registered or in good standing under the Exchange Act, or other
applicable statute or regulation, and a successor Depositary for such series is not appointed by
the Company within 90 days after the Company receives such notice or becomes aware of such
condition, as the case may be, or if an Event of Default has occurred and is continuing and the
Company has received a request from the Depositary, this Section 2.11 shall no longer be applicable
to the Securities of such series and the Company will execute, and subject to Section 2.04, the
Trustee will authenticate and deliver the Securities of such series in definitive registered form
without coupons, in authorized denominations, and in an aggregate principal amount equal to the
principal amount of the Global Security of such series in exchange for such Global Security. In
addition, the Company may at any time determine that the Securities of any series shall no longer
be represented by a Global Security and that the provisions of this Section 2.11 shall no longer
apply to the Securities of such series. In such event the Company will execute and, subject to
Section 2.04, the Trustee, upon receipt of an Officers’ Certificate evidencing such determination
by the Company, will authenticate and deliver the Securities of such series in definitive
registered form without coupons, in authorized denominations, and in an aggregate principal amount
equal to the principal amount of the Global Security of such series in exchange for such Global
Security. Upon the exchange of the Global Security for such Securities in definitive registered
form without coupons, in authorized denominations, the Global Security shall be canceled by the
Trustee. Such Securities in definitive registered form issued in exchange for the Global Security
pursuant to this Section

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2.11(c) shall be registered in such names and in such authorized denominations as the
Depositary, pursuant to instructions from its direct or indirect participants or otherwise, shall
instruct the Trustee. The Trustee shall deliver such Securities to the Depositary for delivery to
the Persons in whose names such Securities are so registered.

ARTICLE 3

REDEMPTION OF SECURITIES AND SINKING FUND PROVISIONS

     Section 3.01 Redemption.

     The Company may redeem the Securities of any series issued hereunder on and after the dates
and in accordance with the terms established for such series pursuant to Section 2.01 hereof.

     Section 3.02 Notice of Redemption.

          (a) In case the Company shall desire to exercise such right to redeem all or, as the case may
be, a portion of the Securities of any series in accordance with any right the Company reserved for
itself to do so pursuant to Section 2.01 hereof, the Company shall, or shall cause the Trustee to,
give notice of such redemption to holders of the Securities of such series to be redeemed by
sending, via electronic transmission or by mail, first class postage prepaid, a notice of such
redemption not less than 30 days and not more than 90 days before the date fixed for redemption of
that series to such holders at their last addresses as they shall appear upon the Security
Register, unless a shorter period is specified in the Securities to be redeemed. Any notice that
is delivered in the manner herein provided shall be conclusively presumed to have been duly given,
whether or not the registered holder receives the notice. In any case, failure duly to give such
notice to the holder of any Security of any series designated for redemption in whole or in part,
or any defect in the notice, shall not affect the validity of the proceedings for the redemption of
any other Securities of such series or any other series. In the case of any redemption of
Securities prior to the expiration of any restriction on such redemption provided in the terms of
such Securities or elsewhere in this Indenture, the Company shall furnish the Trustee with an
Officers’ Certificate evidencing compliance with any such restriction.

     Each such notice of redemption shall specify the date fixed for redemption and the redemption
price at which Securities of that series are to be redeemed, and shall state that payment of the
redemption price of such Securities to be redeemed will be made at the office or agency of the
Company upon presentation and surrender of such Securities, that interest accrued to the date fixed
for redemption will be paid as specified in said notice, that from and after said date interest
will cease to accrue and that the redemption is for a sinking fund, if such is the case. If less
than all the Securities of a series are to be redeemed, the notice to the holders of Securities of
that series to be redeemed in part shall specify the particular Securities to be so redeemed.

     In case any Security is to be redeemed in part only, the notice that relates to such Security
shall state the portion of the principal amount thereof to be redeemed, and shall state that on and
after the redemption date, upon surrender of such Security, a new Security or Securities of such
series in principal amount equal to the unredeemed portion thereof will be issued.

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          (b) If less than all the Securities of a series are to be redeemed, the Company shall give the
Trustee at least 45 days’ notice (unless a shorter notice shall be satisfactory to the Trustee) in
advance of the date fixed for redemption as to the aggregate principal amount of Securities of the
series to be redeemed, and thereupon the Trustee shall select, by lot or in such other manner as it
shall deem appropriate and fair in its discretion and that may provide for the selection of a
portion or portions (equal to one thousand U.S. dollars ($1,000) or any integral multiple thereof)
of the principal amount of such Securities of a denomination larger than $1,000, the Securities to
be redeemed and shall thereafter promptly notify the Company in writing of the numbers of the
Securities to be redeemed, in whole or in part. The Company may, if and whenever it shall so
elect, by delivery of instructions signed on its behalf by an Officer, instruct the Trustee or any
paying agent to call all or any part of the Securities of a particular series for redemption and to
give notice of redemption in the manner set forth in this Section, such notice to be in the name of
the Company or its own name as the Trustee or such paying agent may deem advisable. In any case in
which notice of redemption is to be given by the Trustee or any such paying agent, the Company
shall deliver or cause to be delivered to, or permit to remain with, the Trustee or such paying
agent, as the case may be, such Security Register, transfer books or other records, or suitable
copies or extracts therefrom, sufficient to enable the Trustee or such paying agent to give any
notice that may be required under the provisions of this Section.

     Section 3.03 Payment Upon Redemption.

          (a) If the giving of notice of redemption shall have been completed as above provided, the
Securities or portions of Securities of the series to be redeemed specified in such notice shall
become due and payable on the date and at the place stated in such notice at the applicable
redemption price, together with interest accrued to the date fixed for redemption and interest on
such Securities or portions of Securities shall cease to accrue on and after the date fixed for
redemption, unless the Company shall default in the payment of such redemption price and accrued
interest with respect to any such Security or portion thereof. On presentation and surrender of
such Securities on or after the date fixed for redemption at the place of payment specified in the
notice, said Securities shall be paid and redeemed at the applicable redemption price for such
series, together with interest accrued thereon to the date fixed for redemption (but if the date
fixed for redemption is an Interest Payment Date, the interest installment payable on such date
shall be payable to the registered holder at the close of business on the applicable record date
pursuant to Section 2.03).

          (b) Upon presentation of any Security of such series that is to be redeemed in part only, the
Company shall execute and the Trustee shall authenticate and the office or agency where the
Security is presented shall deliver to the holder thereof, at the expense of the Company, a new
Security of the same series of authorized denominations in principal amount equal to the unredeemed
portion of the Security so presented.

     Section 3.04 Sinking Fund.

     The provisions of Sections 3.04, 3.05 and 3.06 shall be applicable to any sinking fund for the
retirement of Securities of a series, except as otherwise specified as contemplated by Section 2.01
for Securities of such series.

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     The minimum amount of any sinking fund payment provided for by the terms of Securities of any
series is herein referred to as a “mandatory sinking fund payment,” and any payment in excess of
such minimum amount provided for by the terms of Securities of any series is herein referred to as
an “optional sinking fund payment”. If provided for by the terms of Securities of any series, the
cash amount of any sinking fund payment may be subject to reduction as provided in Section 3.05.
Each sinking fund payment shall be applied to the redemption of Securities of any series as
provided for by the terms of Securities of such series.

     Section 3.05 Satisfaction of Sinking Fund Payments with Securities.

     The Company (i) may deliver Outstanding Securities of a series and (ii) may apply as a credit
Securities of a series that have been redeemed either at the election of the Company pursuant to
the terms of such Securities or through the application of permitted optional sinking fund payments
pursuant to the terms of such Securities, in each case in satisfaction of all or any part of any
sinking fund payment with respect to the Securities of such series required to be made pursuant to
the terms of such Securities as provided for by the terms of such series, provided that such
Securities have not been previously so credited. Such Securities shall be received and credited
for such purpose by the Trustee at the redemption price specified in such Securities for redemption
through operation of the sinking fund and the amount of such sinking fund payment shall be reduced
accordingly.

     Section 3.06 Redemption of Securities for Sinking Fund.

     Not less than 45 days prior to each sinking fund payment date for any series of Securities
(unless a shorter period shall be satisfactory to the Trustee), the Company will deliver to the
Trustee an Officers’ Certificate specifying the amount of the next ensuing sinking fund payment for
that series pursuant to the terms of the series, the portion thereof, if any, that is to be
satisfied by delivering and crediting Securities of that series pursuant to Section 3.05 and the
basis for such credit and will, together with such Officers’ Certificate, deliver to the Trustee
any Securities to be so delivered. Not less than 30 days before each such sinking fund payment
date the Trustee shall select the Securities to be redeemed upon such sinking fund payment date in
the manner specified in Section 3.02 and cause notice of the redemption thereof to be given in the
name of and at the expense of the Company in the manner provided in Section 3.02. Such notice
having been duly given, the redemption of such Securities shall be made upon the terms and in the
manner stated in Section 3.03.

ARTICLE 4

COVENANTS

     Section 4.01 Payment of Principal, Premium and Interest.

     The Company will duly and punctually pay or cause to be paid the principal of (and premium, if
any) and interest on the Securities of that series at the time and place and in the manner provided
herein and established with respect to such Securities.

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     Section 4.02 Maintenance of Office or Agency.

     So long as any series of the Securities remain Outstanding, the Company agrees to maintain an
office or agency with respect to each such series and at such other location or locations as may be
designated as provided in this Section 4.02, where (i) Securities of that series may be presented
for payment, (ii) Securities of that series may be presented as herein above authorized for
registration of transfer and exchange, and (iii) notices and demands to or upon the Company in
respect of the Securities of that series and this Indenture may be given or served, such
designation to continue with respect to such office or agency until the Company shall, by written
notice signed by any officer authorized to sign an Officers’ Certificate and delivered to the
Trustee, designate some other office or agency for such purposes or any of them. If at any time
the Company shall fail to maintain any such required office or agency or shall fail to furnish the
Trustee with the address thereof, such presentations, notices and demands may be made or served at
the Corporate Trust Office of the Trustee, and the Company hereby appoints the Trustee as its agent
to receive all such presentations, notices and demands. The Company initially appoints the
Corporate Trust Office of the Trustee as its paying agent with respect to the Securities.

     Section 4.03 Paying Agents.

          (a) If the Company shall appoint one or more paying agents for all or any series of the
Securities, other than the Trustee, the Company will cause each such paying agent to execute and
deliver to the Trustee an instrument in which such agent shall agree with the Trustee, subject to
the provisions of this Section:

               (1) that it will hold all sums held by it as such agent for the payment of the principal of
(and premium, if any) or interest on the Securities of that series (whether such sums have been
paid to it by the Company or by any other obligor of such Securities) in trust for the benefit of
the Persons entitled thereto;

               (2) that it will give the Trustee notice of any failure by the Company (or by any other
obligor of such Securities) to make any payment of the principal of (and premium, if any) or
interest on the Securities of that series when the same shall be due and payable;

               (3) that it will, at any time during the continuance of any failure referred to in the
preceding paragraph (a)(2) above, upon the written request of the Trustee, forthwith pay to the
Trustee all sums so held in trust by such paying agent; and

               (4) that it will perform all other duties of paying agent as set forth in this Indenture.

          (b) If the Company shall act as its own paying agent with respect to any series of the
Securities, it will on or before each due date of the principal of (and premium, if any) or
interest on Securities of that series, set aside, segregate and hold in trust for the benefit of
the Persons entitled thereto a sum sufficient to pay such principal (and premium, if any) or
interest so becoming due on Securities of that series until such sums shall be paid to such Persons
or otherwise disposed of as herein provided and will promptly notify the Trustee of such action, or
any failure (by it or any other obligor on such Securities) to take such action. Whenever the

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Company shall have one or more paying agents for any series of Securities, it will, prior to
each due date of the principal of (and premium, if any) or interest on any Securities of that
series, deposit with the paying agent a sum sufficient to pay the principal (and premium, if any)
or interest so becoming due, such sum to be held in trust for the benefit of the Persons entitled
to such principal, premium or interest, and (unless such paying agent is the Trustee) the Company
will promptly notify the Trustee of this action or failure so to act.

          (c) Notwithstanding anything in this Section to the contrary, (i) the agreement to hold sums
in trust as provided in this Section is subject to the provisions of Section 11.05, and (ii) the
Company may at any time, for the purpose of obtaining the satisfaction and discharge of this
Indenture or for any other purpose, pay, or direct any paying agent to pay, to the Trustee all sums
held in trust by the Company or such paying agent, such sums to be held by the Trustee upon the
same terms and conditions as those upon which such sums were held by the Company or such paying
agent; and, upon such payment by the Company or any paying agent to the Trustee, the Company or
such paying agent shall be released from all further liability with respect to such money.

     Section 4.04 Appointment to Fill Vacancy in Office of Trustee.

     The Company, whenever necessary to avoid or fill a vacancy in the office of Trustee, will
appoint, in the manner provided in Section 7.10, a Trustee, so that there shall at all times be a
Trustee hereunder.

     Section 4.05 Compliance with Consolidation Provisions.

     The Company will not, while any of the Securities remain Outstanding, consolidate with or
merge into any other Person, in either case where the Company is not the survivor of such
transaction, or sell or convey all or substantially all of its property to any other Person unless
the provisions of Article Ten hereof are complied with.

     Section 4.06 Calculation of Original Issue Discount.

     The Company shall file with the Trustee within 20 days following the end of each calendar year
(i) a written notice specifying the amount of original issue discount (including daily rates and
accrual periods) accrued on Outstanding Securities as of the end of such year and (ii) such other
specific information relating to such original issue discount as may be relevant under the Code.

ARTICLE 5

SECURITYHOLDERS’ LISTS AND REPORTS BY THE COMPANY AND

THE TRUSTEE

     Section 5.01 Company to Furnish Trustee Names and Addresses of Securityholders.

     The Company will furnish or cause to be furnished to the Trustee (a) within 10 days after each
regular record date (as defined in Section 2.03) a list, in such form as the Trustee may

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reasonably require, of the names and addresses of the holders of each series of Securities as
of such regular record date, provided that the Company shall not be obligated to furnish or cause
to furnish such list at any time that the list shall not differ in any respect from the most recent
list furnished to the Trustee by the Company and (b) at such other times as the Trustee may request
in writing within 30 days after the receipt by the Company of any such request, a list of similar
form and content as of a date not more than 10 days prior to the time such list is furnished;
provided, however, that, in either case, no such list need be furnished for any series for which
the Trustee shall be the Security Registrar .

     Section 5.02 Preservation Of Information; Communications With Securityholders.

          (a) The Trustee shall preserve, in as current a form as is reasonably practicable, all
information as to the names and addresses of the holders of Securities contained in the most recent
list furnished to it as provided in Section 5.01 and as to the names and addresses of holders of
Securities received by the Trustee in its capacity as Security Registrar (if acting in such
capacity).

          (b) The Trustee may destroy any list furnished to it as provided in Section 5.01 upon receipt
of a new list so furnished.

          (c) Securityholders may communicate as provided in Section 312(b) of the Trust Indenture Act
with other Securityholders with respect to their rights under this Indenture or under the
Securities, and, in connection with any such communications, the Trustee shall satisfy its
obligations under Section 312(b) of the Trust Indenture Act in accordance with the provisions of
Section 312(b) of the Trust Indenture Act.

     Section 5.03 Reports by the Company.

     The Company covenants and agrees to provide a copy to the Trustee, after the Company files the
same with the Securities and Exchange 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
Securities and Exchange Commission may from time to time by rules and regulations prescribe) that
the Company files with the Securities and Exchange Commission pursuant to Section 13 or Section
15(d) of the Exchange Act; provided, however, the Company shall not be required to deliver to the
Trustee any materials for which the Company has sought and received confidential treatment by the
SEC. The Company shall also comply with the requirements of Section 314 of the Trust Indenture
Act, but only to the extent then applicable to the Company.

     Section 5.04 Reports by the Trustee.

          (a) On or before July 1 in each year in which any of the Securities are Outstanding, the
Trustee shall transmit by mail, first class postage prepaid, to the Securityholders, as their names
and addresses appear upon the Security Register, a brief report dated as of the preceding May 1, if
and to the extent required under Section 313(a) of the Trust Indenture Act.

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          (b) The Trustee shall comply with Section 313(b) and 313(c) of the Trust Indenture Act.

          (c) A copy of each such report shall, at the time of such transmission to Securityholders, be
filed by the Trustee with the Company, with each securities exchange upon which any Securities are
listed (if so listed) and also with the Securities and Exchange Commission. The Company agrees to
notify the Trustee when any Securities become listed on any securities exchange.

ARTICLE 6

REMEDIES OF THE TRUSTEE AND SECURITYHOLDERS ON EVENT OF

DEFAULT

     Section 6.01 Events of Default.

          (a) Whenever used herein with respect to Securities of a particular series, “Event of Default”
means any one or more of the following events that has occurred and is continuing:

               (1) the Company defaults in the payment of any installment of interest upon any of the
Securities of that series, as and when the same shall become due and payable, and such default
continues for a period of 90 days; provided, however, that a valid extension of an interest payment
period by the Company in accordance with the terms of any indenture supplemental hereto shall not
constitute a default in the payment of interest for this purpose;

               (2) the Company defaults in the payment of the principal of (or premium, if any, on) any of
the Securities of that series as and when the same shall become due and payable whether at
maturity, upon redemption, by declaration or otherwise, or in any payment required by any sinking
or analogous fund established with respect to that series; provided, however, that a valid
extension of the maturity of such Securities in accordance with the terms of any indenture
supplemental hereto shall not constitute a default in the payment of principal or premium, if any;

               (3) the Company fails to observe or perform any other of its covenants or agreements with
respect to that series contained in this Indenture or otherwise established with respect to that
series of Securities pursuant to Section 2.01 hereof (other than a covenant or agreement that has
been expressly included in this Indenture solely for the benefit of one or more series of
Securities other than such series) for a period of 90 days after the date on which written notice
of such failure, requiring the same to be remedied and stating that such notice is a “Notice of
Default” hereunder, shall have been given to the Company by the Trustee, by registered or certified
mail, or to the Company and the Trustee by the holders of at least 25% in principal amount of the
Securities of that series at the time Outstanding;

               (4) Any other Event of Default provided in the supplemental indenture or pursuant to a Board
Resolution under which such series of Securities is issued or in the form of Security for such
series.

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               (5) the Company pursuant to or within the meaning of any Bankruptcy Law (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 or (iv) makes a general assignment for the benefit of its creditors; or

               (6) a court of competent jurisdiction enters an order under any Bankruptcy Law that (i) is for
relief against the Company in an involuntary case, (ii) appoints a Custodian of the Company for all
or substantially all of its property or (iii) orders the liquidation of the Company, and the order
or decree remains unstayed and in effect for 90 days.

          (b) In each and every such case (other than an Event of Default specified in clause (5) or
clause (6) above), unless the principal of all the Securities of that series shall have already
become due and payable, either the Trustee or the holders of not less than 25% in aggregate
principal amount of the Securities of that series then Outstanding hereunder, by notice in writing
to the Company (and to the Trustee if given by such Securityholders), may declare the principal of
(and premium, if any, on) and accrued and unpaid interest on all the Securities of that series to
be due and payable immediately, and upon any such declaration the same shall become and shall be
immediately due and payable. If an Event of Default specified in clause (5) or clause (6) above
occurs, the principal of and accrued and unpaid interest on all the Securities of that series shall
automatically be immediately due and payable without any declaration or other act on the part of
the Trustee or the holders of the Securities.

          (c) At any time after the principal of (and premium, if any, on) and accrued and unpaid
interest on the Securities of that series shall have been so declared due and payable, and before
any judgment or decree for the payment of the moneys due shall have been obtained or entered as
hereinafter provided, the holders of a majority in aggregate principal amount of the Securities of
that series then Outstanding hereunder, by written notice to the Company and the Trustee, may
rescind and annul such declaration and its consequences if: (i) the Company has paid or deposited
with the Trustee a sum sufficient to pay all matured installments of interest upon all the
Securities of that series and the principal of (and premium, if any, on) any and all Securities of
that series that shall have become due otherwise than by acceleration (with interest upon such
principal and premium, if any, and, to the extent that such payment is enforceable under applicable
law, upon overdue installments of interest, at the rate per annum expressed in the Securities of
that series to the date of such payment or deposit) and the amount payable to the Trustee under
Section 7.06, and (ii) any and all Events of Default under the Indenture with respect to such
series, other than the nonpayment of principal on (and premium, if any, on) and accrued and unpaid
interest on Securities of that series that shall not have become due by their terms, shall have
been remedied or waived as provided in Section 6.06.

     No such rescission and annulment shall extend to or shall affect any subsequent default or
impair any right consequent thereon.

          (d) In case the Trustee shall have proceeded to enforce any right with respect to Securities
of that series under this Indenture and such proceedings shall have been discontinued or abandoned
because of such rescission or annulment or for any other reason or shall have been determined
adversely to the Trustee, then and in every such case, subject to any

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determination in such proceedings, the Company and the Trustee shall be restored respectively
to their former positions and rights hereunder, and all rights, remedies and powers of the Company
and the Trustee shall continue as though no such proceedings had been taken.

     Section 6.02 Collection of Indebtedness and Suits for Enforcement by Trustee.

          (a) The Company covenants that (i) in case it shall default in the payment of any installment
of interest on any of the Securities of a series, or in any payment required by any sinking or
analogous fund established with respect to that series as and when the same shall have become due
and payable, and such default shall have continued for a period of 90 Business Days, or (ii) in
case it shall default in the payment of the principal of (or premium, if any, on) any of the
Securities of a series when the same shall have become due and payable, whether upon maturity of
the Securities of a series or upon redemption or upon declaration or otherwise then, upon demand of
the Trustee, the Company will pay to the Trustee, for the benefit of the holders of the Securities
of that series, the whole amount that then shall have been become due and payable on all such
Securities for principal (and premium, if any) or interest, or both, as the case may be, with
interest upon the overdue principal (and premium, if any) and (to the extent that payment of such
interest is enforceable under applicable law) upon overdue installments of interest at the rate per
annum expressed in the Securities of that series; and, in addition thereto, such further amount as
shall be sufficient to cover the costs and expenses of collection, and the amount payable to the
Trustee under Section 7.06.

          (b) If the Company shall fail to pay such amounts forthwith upon such demand, the Trustee, in
its own name and as trustee of an express trust, shall be entitled and empowered to institute any
action or proceedings at law or in equity for the collection of the sums so due and unpaid, and may
prosecute any such action or proceeding to judgment or final decree, and may enforce any such
judgment or final decree against the Company or other obligor upon the Securities of that series
and collect the moneys adjudged or decreed to be payable in the manner provided by law or equity
out of the property of the Company or other obligor upon the Securities of that series, wherever
situated.

          (c) In case of any receivership, insolvency, liquidation, bankruptcy, reorganization,
readjustment, arrangement, composition or judicial proceedings affecting the Company, or its
creditors or property, the Trustee shall have power to intervene in such proceedings and take any
action therein that may be permitted by the court and shall (except as may be otherwise provided by
law) be entitled to file such proofs of claim and other papers and documents as may be necessary or
advisable in order to have the claims of the Trustee and of the holders of Securities of such
series allowed for the entire amount due and payable by the Company under the Indenture at the date
of institution of such proceedings and for any additional amount that may become due and payable by
the Company after such date, and to collect and receive any moneys or other property payable or
deliverable on any such claim, and to distribute the same after the deduction of the amount payable
to the Trustee under Section 7.06; and any receiver, assignee or trustee in bankruptcy or
reorganization is hereby authorized by each of the holders of Securities of such 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 such Securityholders, to pay to the Trustee any amount due it under
Section 7.06.

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          (d) All rights of action and of asserting claims under this Indenture, or under any of the
terms established with respect to Securities of that series, may be enforced by the Trustee without
the possession of any of such Securities, or the production thereof at any trial or other
proceeding relative thereto, and any such suit or proceeding instituted by the Trustee shall be
brought in its own name as trustee of an express trust, and any recovery of judgment shall, after
provision for payment to the Trustee of any amounts due under Section 7.06, be for the ratable
benefit of the holders of the Securities of such series.

     In case of an Event of Default hereunder, the Trustee may in its discretion proceed to protect
and enforce the rights vested in it by this Indenture by such appropriate judicial proceedings as
the Trustee shall deem most effectual to protect and enforce any of such rights, either at law or
in equity or in bankruptcy or otherwise, whether for the specific enforcement of any covenant or
agreement contained in the Indenture or in aid of the exercise of any power granted in this
Indenture, or to enforce any other legal or equitable right vested in the Trustee by this Indenture
or by law.

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

     Section 6.03 Application of Moneys or Property Collected.

     Any moneys or property collected by the Trustee pursuant to this Article with respect to a
particular series of Securities shall be applied in the following order, at the date or dates fixed
by the Trustee and, in case of the distribution of such moneys or property on account of principal
(or premium, if any) or interest, upon presentation of the Securities of that series, and notation
thereon of the payment, if only partially paid, and upon surrender thereof if fully paid:

     FIRST: To the payment of reasonable costs and expenses of collection and of all amounts
payable to the Trustee under Section 7.06;

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

     THIRD: To the payment of the remainder, if any, to the Company or any other Person lawfully
entitled thereto as requested by the Company.

     Section 6.04 Limitation on Suits.

     No holder of any Security of any series shall have any right by virtue or by availing of any
provision of this Indenture to institute any suit, action or proceeding in equity or at law upon or
under or with respect to this Indenture or for the appointment of a receiver or trustee, or for any
other remedy hereunder, unless (i) such holder previously shall have given to the Trustee

23

 

written notice of an Event of Default and of the continuance thereof with respect to the
Securities of such series specifying such Event of Default, as hereinbefore provided; (ii) the
holders of not less than 25% in aggregate principal amount of the Securities of such series then
Outstanding shall have made written request upon the Trustee to institute such action, suit or
proceeding in its own name as Trustee hereunder; (iii) such holder or holders shall have offered to
the Trustee such reasonable indemnity as it may require against the costs, expenses and liabilities
to be incurred therein or thereby; (iv) the Trustee for 90 days after its receipt of such notice,
request and offer of indemnity, shall have failed to institute any such action, suit or proceeding
and (v) during such 90 day period, the holders of a majority in principal amount of the Securities
of that series do not give the Trustee a direction inconsistent with the request.

     Notwithstanding anything contained herein to the contrary or any other provisions of this
Indenture, the right of any holder of any Security to receive payment of the principal of (and
premium, if any) and interest on such Security, as therein provided, on or after the respective due
dates expressed in such Security (or in the case of redemption, on the redemption date), or to
institute suit for the enforcement of any such payment on or after such respective dates or
redemption date, shall not be impaired or affected without the consent of such holder and by
accepting a Security hereunder it is expressly understood, intended and covenanted by the taker and
holder of every Security of such series with every other such taker and holder and the Trustee,
that no one or more holders of Securities of such series shall have any right in any manner
whatsoever by virtue or by availing of any provision of this Indenture to affect, disturb or
prejudice the rights of the holders of any other of such Securities, or to obtain or seek to obtain
priority over or preference to any other such holder, or to enforce any right under this Indenture,
except in the manner herein provided and for the equal, ratable and common benefit of all holders
of Securities of such series. For the protection and enforcement of the provisions of this
Section, each and every Securityholder and the Trustee shall be entitled to such relief as can be
given either at law or in equity.

     Section 6.05 Rights and Remedies Cumulative; Delay or Omission Not Waiver.

          (a) Except as otherwise provided in Section 2.07, all powers and remedies given by this
Article to the Trustee or to the Securityholders shall, to the extent permitted by law, be deemed
cumulative and not exclusive of any other powers and remedies available to the Trustee or the
holders of the Securities, by judicial proceedings or otherwise, to enforce the performance or
observance of the covenants and agreements contained in this Indenture or otherwise established
with respect to such Securities.

          (b) No delay or omission of the Trustee or of any holder of any of the Securities to exercise
any right or power accruing upon any Event of Default occurring and continuing as aforesaid shall
impair any such right or power, or shall be construed to be a waiver of any such default or an
acquiescence therein; and, subject to the provisions of Section 6.04, every power and remedy given
by this Article or by law to the Trustee or the Securityholders may be exercised from time to time,
and as often as shall be deemed expedient, by the Trustee or by the Securityholders.

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     Section 6.06 Control by Securityholders.

     The holders of a majority in aggregate principal amount of the Securities of any series at the
time Outstanding, determined in accordance with Section 8.04, shall have the right to direct the
time, method and place of conducting any proceeding for any remedy available to the Trustee, or
exercising any trust or power conferred on the Trustee with respect to such series; provided,
however, that such direction shall not be in conflict with any rule of law or with this Indenture.
Subject to the provisions of Section 7.01, the Trustee shall have the right to decline to follow
any such direction if the Trustee in good faith shall, by a Responsible Officer or officers of the
Trustee, determine that the proceeding so directed, subject to the Trustee’s duties under the Trust
Indenture Act, would involve the Trustee in personal liability or might be unduly prejudicial to
the Securityholders not involved in the proceeding. The holders of a majority in aggregate
principal amount of the Securities of any series at the time Outstanding affected thereby,
determined in accordance with Section 8.04, may on behalf of the holders of all of the Securities
of such series waive any past default in the performance of any of the covenants contained herein
or established pursuant to Section 2.01 with respect to such series and its consequences, except a
default in the payment of the principal of, or premium, if any, or interest on, any of the
Securities of that series as and when the same shall become due by the terms of such Securities
otherwise than by acceleration (unless such default has been cured and a sum sufficient to pay all
matured installments of interest and principal and any premium has been deposited with the Trustee
(in accordance with Section 6.01(c)). Upon any such waiver, the default covered thereby shall be
deemed to be cured for all purposes of this Indenture and the Company, the Trustee and the holders
of the Securities of such series shall be restored to their former positions and rights hereunder,
respectively; but no such waiver shall extend to any subsequent or other default or impair any
right consequent thereon.

     Section 6.07 Undertaking to Pay Costs.

     All parties to this Indenture agree, and each holder of any Securities by such holder’s
acceptance thereof shall be deemed to have agreed, that any court may in its discretion require, 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, the filing by any party litigant in
such suit of an undertaking to pay the costs of such suit, and that such court may in its
discretion assess reasonable costs, including reasonable attorneys’ fees, against any party
litigant in such suit, having due regard to the merits and good faith of the claims or defenses
made by such party litigant; but the provisions of this Section shall not apply to any suit
instituted by the Trustee, to any suit instituted by any Securityholder, or group of
Securityholders, holding more than 10% in aggregate principal amount of the Outstanding Securities
of any series, or to any suit instituted by any Securityholder for the enforcement of the payment
of the principal of (or premium, if any) or interest on any Security of such series, on or after
the respective due dates expressed in such Security or established pursuant to this Indenture.

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ARTICLE 7

CONCERNING THE TRUSTEE

     Section 7.01 Certain Duties and Responsibilities of Trustee.

          (a) The Trustee, prior to the occurrence of an Event of Default with respect to the Securities
of a series and after the curing of all Events of Default with respect to the Securities of that
series that may have occurred, shall undertake to perform with respect to the Securities of such
series such duties and only such duties as are specifically set forth in this Indenture, and no
implied covenants shall be read into this Indenture against the Trustee. In case an Event of
Default with respect to the Securities of a series has occurred (that has not been cured or
waived), the Trustee shall exercise with respect to Securities of that series such of the rights
and powers vested in it by this Indenture, and use the same degree of care and skill in their
exercise, as a prudent man would exercise or use under the circumstances in the conduct of his own
affairs.

          (b) No provision of this Indenture shall be construed to relieve the Trustee from liability
for its own negligent action, its own negligent failure to act, or its own willful misconduct,
except that:

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

                    (A) the duties and obligations of the Trustee shall with respect to the Securities of such
series be determined solely by the express provisions of this Indenture, and the Trustee shall not
be liable with respect to the Securities of such series except for the performance of such duties
and obligations as are specifically set forth in this Indenture, and no implied covenants or
obligations shall be read into this Indenture against the Trustee; and

                    (B) in the absence of bad faith on the part of the Trustee, the Trustee may with respect to
the Securities of such series conclusively rely, as to the truth of the statements and the
correctness of the opinions expressed therein, upon any certificates or opinions furnished to the
Trustee and conforming to the requirements of this Indenture; but in the case of any such
certificates or opinions that by any provision hereof are specifically required to be furnished to
the Trustee, the Trustee shall be under a duty to examine the same to determine whether or not they
conform to the requirement of this Indenture;

               (ii) the Trustee shall not be liable for any error of judgment made in good faith by a
Responsible Officer or Responsible Officers of the Trustee, unless it shall be proved that the
Trustee was negligent in ascertaining the pertinent facts;

               (iii) the Trustee shall not be liable with respect to any action taken or omitted to be taken
by it in good faith in accordance with the direction of the holders of not less than a majority in
principal amount of the Securities of any series at the time Outstanding relating to the time,
method and place of conducting any proceeding for any remedy available to

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the Trustee, or exercising any trust or power conferred upon the Trustee under this Indenture
with respect to the Securities of that series; and

               (iv) None of the provisions contained in this Indenture shall require the Trustee to expend or
risk its own funds or otherwise incur personal financial liability in the performance of any of its
duties or in the exercise of any of its rights or powers if there is reasonable ground for
believing that the repayment of such funds or liability is not reasonably assured to it under the
terms of this Indenture or indemnity against such risk is not assured to it.

     Section 7.02 Certain Rights of Trustee.

     Except as otherwise provided in Section 7.01:

          (a) The Trustee may rely conclusively and shall be protected in acting or refraining from
acting upon any resolution, certificate, statement, instrument, opinion, report, notice, request,
consent, order, approval, bond, security or other paper or document believed by it to be genuine
and to have been signed or presented by the proper party or parties;

          (b) Any request, direction, order or demand of the Company mentioned herein shall be
sufficiently evidenced by a Board Resolution or an instrument signed in the name of the Company by
any authorized officer of the Company (unless other evidence in respect thereof is specifically
prescribed herein);

          (c) The Trustee may consult with counsel and the written advice of such counsel or any Opinion
of Counsel shall be full and complete authorization and protection in respect of any action taken
or suffered or omitted hereunder in good faith and in reliance thereon;

          (d) The Trustee shall be under no obligation to exercise any of the rights or powers vested in
it by this Indenture at the request, order or direction of any of the Securityholders pursuant to
the provisions of this Indenture, unless such Securityholders shall have offered to the Trustee
security or indemnity satisfactory to it against the costs, expenses and liabilities that may be
incurred therein or thereby; subject to Section 7.01(b)(iv), nothing contained herein shall,
however, relieve the Trustee of the obligation, upon the occurrence of an Event of Default with
respect to a series of the Securities (that has not been cured or waived), to exercise with respect
to Securities of that series such of the rights and powers vested in it by this Indenture, and to
use the same degree of care and skill in their exercise, as a prudent man would exercise or use
under the circumstances in the conduct of his own affairs;

          (e) The Trustee shall not be liable for any action taken or omitted to be taken by it in good
faith and believed by it to be authorized or within the discretion or rights or powers conferred
upon it by this Indenture;

          (f) The Trustee shall not be bound to make any investigation into the facts or matters stated
in any resolution, certificate, statement, instrument, opinion, report, notice, request, consent,
order, approval, bond, security, or other papers or documents, unless requested in writing so to do
by the holders of not less than a majority in principal amount of the Outstanding Securities of the
particular series affected thereby (determined as provided in Section 8.04); provided, however,
that if the payment within a reasonable time to the Trustee of

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the costs, expenses or liabilities likely to be incurred by it in the making of such
investigation is, in the opinion of the Trustee, not reasonably assured to the Trustee by the
security afforded to it by the terms of this Indenture, the Trustee may require indemnity against
such costs, expenses or liabilities as a condition to so proceeding. The reasonable expense of
every such examination shall be paid by the Company or, if paid by the Trustee, shall be repaid by
the Company upon demand; and

          (g) The Trustee may execute any of the trusts or powers hereunder or perform any duties
hereunder either directly or by or through agents or attorneys and the Trustee shall not be
responsible for any misconduct or negligence on the part of any agent or attorney appointed with
due care by it hereunder.

     In addition, the Trustee shall not be deemed to have knowledge of any Default or Event of
Default except (1) any Event of Default occurring pursuant to Sections 6.01(a)(1), 6.01(a)(2) and
4.01 hereof or (2) any Default or Event of Default of which the Trustee shall have received written
notification in the manner set forth in this Indenture or a Responsible Officer of the Trustee
shall have obtained actual knowledge. Delivery of reports, information and documents to the
Trustee under Section 5.03 is for informational purposes only and the information and the Trustee’s
receipt of the foregoing shall not constitute constructive notice of any information contained
therein, or determinable from information contained therein including the Company’s compliance with
any of their covenants thereunder (as to which the Trustee is entitled to rely conclusively on an
Officers’ Certificate).

     Section 7.03 Trustee Not Responsible for Recitals or Issuance or Securities.

          (a) The recitals contained herein and in the Securities shall be taken as the statements of
the Company, and the Trustee assumes no responsibility for the correctness of the same.

          (b) The Trustee makes no representations as to the validity or sufficiency of this Indenture
or of the Securities.

          (c) The Trustee shall not be accountable for the use or application by the Company of any of
the Securities or of the proceeds of such Securities, or for the use or application of any moneys
paid over by the Trustee in accordance with any provision of this Indenture or established pursuant
to Section 2.01, or for the use or application of any moneys received by any paying agent other
than the Trustee.

     Section 7.04 May Hold Securities.

     The Trustee or any paying agent or Security Registrar, in its individual or any other
capacity, may become the owner or pledgee of Securities with the same rights it would have if it
were not Trustee, paying agent or Security Registrar.

     Section 7.05 Moneys Held in Trust.

     Subject to the provisions of Section 11.05, all moneys received by the Trustee shall, until
used or applied as herein provided, be held in trust for the purposes for which they were

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received, but need not be segregated from other funds except to the extent required by law. The
Trustee shall be under no liability for interest on any moneys received by it hereunder except such
as it may agree with the Company to pay thereon.

     Section 7.06 Compensation and Reimbursement.

          (a) The Company covenants and agrees to pay to the Trustee, and the Trustee shall be entitled
to, such reasonable compensation (which shall not be limited by any provision of law in regard to
the compensation of a trustee of an express trust) as the Company and the Trustee may from time to
time agree in writing, for all services rendered by it in the execution of the trusts hereby
created and in the exercise and performance of any of the powers and duties hereunder of the
Trustee, and, except as otherwise expressly provided herein, the Company will pay or reimburse the
Trustee upon its request for all reasonable expenses, disbursements and advances incurred or made
by the Trustee in accordance with any of the provisions of this Indenture (including the reasonable
compensation and the expenses and disbursements of its counsel and of all Persons not regularly in
its employ), except any such expense, disbursement or advance as may arise from its negligence or
bad faith and except as the Company and Trustee may from time to time agree in writing.

          (b) The obligations of the Company under this Section to compensate and indemnify the Trustee
and to pay or reimburse the Trustee for reasonable expenses, disbursements and advances shall
constitute additional indebtedness hereunder. Such additional indebtedness shall be secured by a
lien prior to that of the Securities upon all property and funds held or collected by the Trustee
as such, except funds held in trust for the benefit of the holders of particular Securities.

          (c) The Company shall indemnify the Trustee for, and hold it harmless from and against, any
loss, liability or expense reasonably incurred by it arising out of or in connection with the
acceptance or administration of the trust or trusts hereunder or the performance of its duties
hereunder, including the reasonable costs and expenses of defending itself against any claim 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,
willful misconduct or bad faith.

          (d) In addition and without prejudice to the rights provided to the Trustee under any of the
provisions of this Indenture, when the Trustee incurs expenses or renders services in connection
with an Event of Default specified in Section 6.01(5) or Section 6.01(6), the expenses (including
the reasonable charges and expenses of its counsel) and the compensation for the services are
intended to constitute expenses of administration under any applicable Federal and State
bankruptcy, insolvency or other similar law.

          (e) The Company’s obligations under this Section 7.06 and the lien referred to in this Section
7.06(b) shall survive the resignation or removal of the Trustee, the discharge of the Company’s
obligations under Article Eleven of this Indenture and/or the termination of this Indenture.

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     Section 7.07 Reliance on Officers’ Certificate and Opinions.

     Except as otherwise provided in Section 7.01, whenever in the administration of the provisions
of this Indenture the Trustee shall deem it reasonably necessary or desirable that a matter be
proved or established prior to taking or suffering or omitting to take any action hereunder, such
matter (unless other evidence in respect thereof be herein specifically prescribed) may, in the
absence of negligence or bad faith on the part of the Trustee, be deemed to be conclusively proved
and established by an Officers’ Certificate or opinion, or both delivered to the Trustee and such
certificate or opinion, in the absence of negligence or bad faith on the part of the Trustee, shall
be full warrant to the Trustee for any action taken, suffered or omitted to be taken by it under
the provisions of this Indenture upon the faith thereof.

     Section 7.08 Disqualification; Conflicting Interests.

     If the Trustee has or shall acquire any “conflicting interest” within the meaning of Section
310(b) of the Trust Indenture Act, the Trustee and the Company shall in all respects comply with
the provisions of Section 310(b) of the Trust Indenture Act.

     Section 7.09 Corporate Trustee Required; Eligibility.

     There shall at all times be a Trustee with respect to the Securities issued hereunder which
shall at all times be a corporation organized and doing business under the laws of the United
States of America or any state or territory thereof or of the District of Columbia, or a
corporation or other Person permitted to act as trustee by the Securities and Exchange Commission,
authorized under such laws to exercise corporate trust powers, having a combined capital and
surplus of at least fifty million U.S. dollars ($50,000,000), and subject to supervision or
examination by federal, state, territorial, or District of Columbia authority.

     If such corporation or other Person publishes reports of condition at least annually, pursuant
to law or to the requirements of the aforesaid supervising or examining authority, then for the
purposes of this Section, the combined capital and surplus of such corporation or other Person
shall be deemed to be its combined capital and surplus as set forth in its most recent report of
condition so published. The Company may not, nor may any Person directly or indirectly
controlling, controlled by, or under common control with the Company, serve as Trustee. In case at
any time the Trustee shall cease to be eligible in accordance with the provisions of this Section,
the Trustee shall resign immediately in the manner and with the effect specified in Section 7.10.

     Section 7.10 Resignation and Removal; Appointment of Successor.

          (a) The Trustee or any successor hereafter appointed may at any time resign with respect to
the Securities of one or more series by giving written notice thereof to the Company. Upon
receiving such notice of resignation, the Company shall promptly appoint a successor trustee with
respect to Securities of such series by written instrument, in duplicate, executed by order of the
Board of Directors, one copy of which instrument shall be delivered to the resigning Trustee and
one copy to the successor trustee. If no successor trustee shall have been so appointed and have
accepted appointment within 30 days after the sending of such notice of resignation, the resigning
Trustee may petition any court of competent jurisdiction for the

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appointment of a successor trustee with respect to Securities of such series, or any
Securityholder of that series who has been a bona fide holder of a Security or Securities for at
least six months may on behalf of himself and all others similarly situated, petition any such
court for the appointment of a successor trustee. Such court may thereupon after such notice, if
any, as it may deem proper and prescribe, appoint a successor trustee.

          (b) In case at any time any one of the following shall occur:

               (i) the Trustee shall fail to comply with the provisions of Section 7.08 after written request
therefor by the Company or by any Securityholder who has been a bona fide holder of a Security or
Securities for at least six months; or

               (ii) the Trustee shall cease to be eligible in accordance with the provisions of Section 7.09
and shall fail to resign after written request therefor by the Company or by any such
Securityholder; or

               (iii) the Trustee shall become incapable of acting, or shall be adjudged a bankrupt or
insolvent, or commence a voluntary bankruptcy proceeding, or a receiver of the Trustee or of its
property shall be appointed or consented to, or any public officer shall take charge or control of
the Trustee or of its property or affairs for the purpose of rehabilitation, conservation or
liquidation;

     then, in any such case, the Company may remove the Trustee with respect to all Securities and
appoint a successor trustee by written instrument, in duplicate, executed by order of the Board of
Directors, one copy of which instrument shall be delivered to the Trustee so removed and one copy
to the successor trustee, or any Securityholder who has been a bona fide holder of a Security or
Securities for at least six months may, on behalf of that holder and all others similarly situated,
petition any court of competent jurisdiction for the removal of the Trustee and the appointment of
a successor trustee. Such court may thereupon after such notice, if any, as it may deem proper and
prescribe, remove the Trustee and appoint a successor trustee.

          (c) The holders of a majority in aggregate principal amount of the Securities of any series at
the time Outstanding may at any time remove the Trustee with respect to such series by so notifying
the Trustee and the Company and may appoint a successor Trustee for such series with the consent of
the Company.

          (d) Any resignation or removal of the Trustee and appointment of a successor trustee with
respect to the Securities of a series pursuant to any of the provisions of this Section shall
become effective upon acceptance of appointment by the successor trustee as provided in Section
7.11.

          (e) Any successor trustee appointed pursuant to this Section may be appointed with respect to
the Securities of one or more series or all of such series, and at any time there shall be only one
Trustee with respect to the Securities of any particular series.

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     Section 7.11 Acceptance of Appointment By Successor.

          (a) In case of the appointment hereunder of a successor trustee with respect to all
Securities, every such successor trustee so appointed shall execute, acknowledge and deliver to the
Company and to the retiring Trustee an instrument accepting such appointment, and thereupon the
resignation or removal of the retiring Trustee shall become effective and such successor trustee,
without any further act, deed or conveyance, shall become vested with all the rights, powers,
trusts and duties of the retiring Trustee; but, on the request of the Company or the successor
trustee, such retiring Trustee shall, upon payment of its charges, execute and deliver an
instrument transferring to such successor trustee all the rights, powers, and trusts of the
retiring Trustee and shall duly assign, transfer and deliver to such successor trustee all property
and money held by such retiring Trustee hereunder.

          (b) In case of the appointment hereunder of a successor trustee with respect to the Securities
of one or more (but not all) series, the Company, the retiring Trustee and each successor trustee
with respect to the Securities of one or more series shall execute and deliver an indenture
supplemental hereto wherein each successor trustee shall accept such appointment and which (i)
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, (ii) 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 (iii) 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, 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 that no Trustee shall be responsible for any
act or failure to act on the part of any other Trustee hereunder; 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, such retiring Trustee shall with respect to the
Securities of that or those series to which the appointment of such successor trustee relates have
no further responsibility for the exercise of rights and powers or for the performance of the
duties and obligations vested in the Trustee under this Indenture, 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, to the extent contemplated by such supplemental indenture, the 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.

          (c) 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 (a) or (b) of this Section, as the case may
be.

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          (d) 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.

          (e) Upon acceptance of appointment by a successor trustee as provided in this Section, the
Company shall transmit notice of the succession of such trustee hereunder by electronic
transmission or mail, first class postage prepaid, to the Securityholders, as their names and
addresses appear upon the Security Register. If the Company fails to transmit such notice within
ten days after acceptance of appointment by the successor trustee, the successor trustee shall
cause such notice to be transmitted at the expense of the Company.

     Section 7.12 Merger, Conversion, Consolidation or Succession to Business.

     Any corporation into which the Trustee may be merged or converted or with which it may be
consolidated, or any corporation resulting from any merger, conversion or consolidation to which
the Trustee shall be a party, or any corporation succeeding to the corporate trust business of the
Trustee, shall be the successor of the Trustee hereunder, provided that such corporation shall be
qualified under the provisions of Section 7.08 and eligible under the provisions of Section 7.09,
without the execution or filing of any paper or any further act on the part of any of the parties
hereto, anything herein to the contrary notwithstanding. In case any Securities shall have been
authenticated, but not delivered, by the Trustee then in office, any successor by merger,
conversion or consolidation to such authenticating Trustee may adopt such authentication and
deliver the Securities so authenticated with the same effect as if such successor Trustee had
itself authenticated such Securities.

     Section 7.13 Preferential Collection of Claims Against the Company.

     The Trustee shall comply with Section 311(a) of the Trust Indenture Act, excluding any
creditor relationship described in Section 311(b) of the Trust Indenture Act. A Trustee who has
resigned or been removed shall be subject to Section 311(a) of the Trust Indenture Act to the
extent included therein.

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     Section 7.14 Notice of Default.

     If any Default or any Event of Default occurs and is continuing and if such Default or Event
of Default is known to a Responsible Officer of the Trustee, the Trustee shall send to each
Securityholder in the manner and to the extent provided in Section 313(c) of the Trust Indenture
Act notice of the Default or Event of Default within 45 days after it occurs and a Responsible
Officer of the Trustee has actual knowledge of such Default or Event of Default, unless such
Default or Event of Default has been cured; provided, however, that, except in the case of a
default in the payment of the principal of (or premium, if any) or interest on any Security, the
Trustee shall be protected in withholding such notice if and so long as the board of directors, the
executive committee or a trust committee of directors and/or Responsible Officers of the Trustee in
good faith determine that the withholding of such notice is in the interest of the Securityholders.

ARTICLE 8

CONCERNING THE SECURITYHOLDERS

     Section 8.01 Evidence of Action by Securityholders.

     Whenever in this Indenture it is provided that the holders of a majority or specified
percentage in aggregate principal amount of the Securities of a particular series may take any
action (including the making of any demand or request, the giving of any notice, consent or waiver
or the taking of any other action), the fact that at the time of taking any such action the holders
of such majority or specified percentage of that series have joined therein may be evidenced by any
instrument or any number of instruments of similar tenor executed by such holders of Securities of
that series in person or by agent or proxy appointed in writing.

     If the Company shall solicit from the Securityholders of any series any request, demand,
authorization, direction, notice, consent, waiver or other action, the Company may, at its option,
as evidenced by an Officers’ Certificate, fix in advance a record date for such series for the
determination of Securityholders entitled to give such request, demand, authorization, direction,
notice, consent, waiver or other action, but the Company shall have no obligation to do so. If
such a record date is fixed, such request, demand, authorization, direction, notice, consent,
waiver or other action may be given before or after the record date, but only the Securityholders
of record at the close of business on the record date shall be deemed to be Securityholders for the
purposes of determining whether Securityholders of the requisite proportion of Outstanding
Securities of that series have authorized or agreed or consented to such request, demand,
authorization, direction, notice, consent, waiver or other action, and for that purpose the
Outstanding Securities of that series shall be computed as of the record date; provided, however,
that no such authorization, agreement or consent by such Securityholders on the record date shall
be deemed effective unless it shall become effective pursuant to the provisions of this Indenture
not later than six months after the record date.

     Section 8.02 Proof of Execution by Securityholders.

     Subject to the provisions of Section 7.01, proof of the execution of any instrument by a

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Securityholder (such proof will not require notarization) or his agent or proxy and proof of
the holding by any Person of any of the Securities shall be sufficient if made in the following
manner:

          (a) The fact and date of the execution by any such Person of any instrument may be proved in
any reasonable manner acceptable to the Trustee.

          (b) The ownership of Securities shall be proved by the Security Register of such Securities or
by a certificate of the Security Registrar thereof.

The Trustee may require such additional proof of any matter referred to in this Section as it shall
deem necessary.

     Section 8.03 Who May be Deemed Owners.

     Prior to the due presentment for registration of transfer of any Security, the Company, the
Trustee, any paying agent and any Security Registrar may deem and treat the Person in whose name
such Security shall be registered upon the books of the Security Registrar as the absolute owner of
such Security (whether or not such Security shall be overdue and notwithstanding any notice of
ownership or writing thereon made by anyone other than the Security Registrar) for the purpose of
receiving payment of or on account of the principal of, premium, if any, and (subject to Section
2.03) interest on such Security and for all other purposes; and neither the Company nor the Trustee
nor any paying agent nor any Security Registrar shall be affected by any notice to the contrary.

     Section 8.04 Certain Securities Owned by Company Disregarded.

     In determining whether the holders of the requisite aggregate principal amount of Securities
of a particular series have concurred in any direction, consent or waiver under this Indenture, the
Securities of that series that are owned by the Company or any other obligor on the Securities of
that series or by any Person directly or indirectly controlling or controlled by or under common
control with the Company or any other obligor on the Securities of that series shall be disregarded
and deemed not to be Outstanding for the purpose of any such determination, except that for the
purpose of determining whether the Trustee shall be protected in relying on any such direction,
consent or waiver, only Securities of such series that the Trustee actually knows are so owned
shall be so disregarded. The Securities so owned that have been pledged in good faith may be
regarded as Outstanding for the purposes of this Section, if the pledgee shall establish to the
satisfaction of the Trustee the pledgee’s right so to act with respect to such Securities and that
the pledgee is not a Person directly or indirectly controlling or controlled by or under direct or
indirect common control with the Company or any such other obligor. In case of a dispute as to
such right, any decision by the Trustee taken upon the advice of counsel shall be full protection
to the Trustee.

     Section 8.05 Actions Binding on Future Securityholders.

     At any time prior to (but not after) the evidencing to the Trustee, as provided in Section
8.01, of the taking of any action by the holders of the majority or percentage in aggregate
principal amount of the Securities of a particular series specified in this Indenture in connection

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with such action, any holder of a Security of that series that is shown by the evidence to be
included in the Securities the holders of which have consented to such action may, by filing
written notice with the Trustee, and upon proof of holding as provided in Section 8.02, revoke such
action so far as concerns such Security. Except as aforesaid any such action taken by the holder
of any Security shall be conclusive and binding upon such holder and upon all future holders and
owners of such Security, and of any Security issued in exchange therefor, on registration of
transfer thereof or in place thereof, irrespective of whether or not any notation in regard thereto
is made upon such Security. Any action taken by the holders of the majority or percentage in
aggregate principal amount of the Securities of a particular series specified in this Indenture in
connection with such action shall be conclusively binding upon the Company, the Trustee and the
holders of all the Securities of that series.

ARTICLE 9

SUPPLEMENTAL INDENTURES

     Section 9.01 Supplemental Indentures Without the Consent of Securityholders.

     In addition to any supplemental indenture otherwise authorized by this Indenture, the Company
and the Trustee may from time to time and at any time enter into an indenture or indentures
supplemental hereto (which shall conform to the provisions of the Trust Indenture Act as then in
effect), without the consent of the Securityholders, for one or more of the following purposes:

          (a) to cure any ambiguity, defect, or inconsistency herein or in the Securities of any series;

          (b) to comply with Article Ten;

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

          (d) to add to the covenants, restrictions, conditions or provisions relating to the Company
for the benefit of the holders of all or any series of Securities (and if such covenants,
restrictions, conditions or provisions are to be for the benefit of less than all series of
Securities, stating that such covenants, restrictions, conditions or provisions are expressly being
included solely for the benefit of such series), to make the occurrence, or the occurrence and the
continuance, of a default in any such additional covenants, restrictions, conditions or provisions
an Event of Default, or to surrender any right or power herein conferred upon the Company;

          (e) to add to, delete from, or revise the conditions, limitations, and restrictions on the
authorized amount, terms, or purposes of issue, authentication, and delivery of Securities, as
herein set forth;

          (f) to make any change that does not adversely affect the rights of any Securityholder in any
material respect;

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          (g) to provide for the issuance of and establish the form and terms and conditions of the
Securities of any series as provided in Section 2.01, to establish the form of any certifications
required to be furnished pursuant to the terms of this Indenture or any series of Securities, or to
add to the rights of the holders of any series of Securities;

          (h) to evidence and provide for the acceptance of appointment hereunder by a successor
trustee; or

          (i) to comply with any requirements of the Securities and Exchange Commission or any successor
in connection with the qualification of this Indenture under the Trust Indenture Act.

     The Trustee is hereby authorized to join with the Company in the execution of any such
supplemental indenture, and to make any further appropriate agreements and stipulations that may be
therein contained, but the Trustee shall not be obligated to enter into any such supplemental
indenture that affects the Trustee’s own rights, duties or immunities under this Indenture or
otherwise.

     Any supplemental indenture authorized by the provisions of this Section may be executed by the
Company and the Trustee without the consent of the holders of any of the Securities at the time
Outstanding, notwithstanding any of the provisions of Section 9.02.

     Section 9.02 Supplemental Indentures With Consent of Securityholders.

     With the consent (evidenced as provided in Section 8.01) of the holders of not less than a
majority in aggregate principal amount of the Securities of each series affected by such
supplemental indenture or indentures at the time Outstanding, the Company, when authorized by a
Board Resolution, and the Trustee may from time to time and at any time enter into an indenture or
indentures supplemental hereto (which shall conform to the provisions of the Trust Indenture Act as
then in effect) for the purpose of adding any provisions to or changing in any manner or
eliminating any of the provisions of this Indenture or of any supplemental indenture or of
modifying in any manner not covered by Section 9.01 the rights of the holders of the Securities of
such series under this Indenture; provided, however, that no such supplemental indenture shall,
without the consent of the holders of each Security then Outstanding, (a) extend the fixed maturity
of any Securities of any series, or reduce the principal amount thereof, or reduce the rate or
extend the time of payment of interest thereon, or reduce any premium payable upon the redemption
thereof or (b) reduce the aforesaid percentage of Securities, the holders of which are required to
consent to any such supplemental indenture.

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

     Section 9.03 Effect of Supplemental Indentures.

     Upon the execution of any supplemental indenture pursuant to the provisions of this Article or
of Section 10.01, this Indenture shall, with respect to such series, be and be deemed to
be modified and amended in accordance therewith and the respective rights, limitations of
rights,

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obligations, duties and immunities under this Indenture of the Trustee, the Company and the
holders of Securities of the series affected thereby shall thereafter be determined, exercised and
enforced hereunder subject in all respects to such modifications and amendments, and all the terms
and conditions of any such supplemental indenture shall be and be deemed to be part of the terms
and conditions of this Indenture for any and all purposes.

     Section 9.04 Securities Affected by Supplemental Indentures.

     Securities of any series affected by a supplemental indenture, authenticated and delivered
after the execution of such supplemental indenture pursuant to the provisions of this Article or of
Section 10.01, may bear a notation in form approved by the Company, provided such form meets the
requirements of any securities exchange upon which such series may be listed, as to any matter
provided for in such supplemental indenture. If the Company shall so determine, new Securities of
that series so modified as to conform, in the opinion of the Board of Directors, to any
modification of this Indenture contained in any such supplemental indenture may be prepared by the
Company, authenticated by the Trustee and delivered in exchange for the Securities of that series
then Outstanding.

     Section 9.05 Execution of Supplemental Indentures.

     Upon the request of the Company, accompanied by its Board Resolutions authorizing the
execution of any such supplemental indenture, and upon the filing with the Trustee of evidence of
the consent of Securityholders required to consent thereto as aforesaid, the Trustee shall join
with the Company in the execution of such supplemental indenture unless such supplemental indenture
affects the Trustee’s own rights, duties or immunities under this Indenture or otherwise, in which
case the Trustee may in its discretion but shall not be obligated to enter into such supplemental
indenture. The Trustee, subject to the provisions of Section 7.01, will be entitled to receive and
will be fully protected in relying upon an Officers’ Certificate and an Opinion of Counsel stating
that any supplemental indenture executed pursuant to this Article is authorized or permitted by,
and conforms to, the terms of this Article and that it is proper for the Trustee under the
provisions of this Article to join in the execution thereof.

     Promptly after the execution by the Company and the Trustee of any supplemental indenture
pursuant to the provisions of this Section, the Company shall transmit electronically or by mail,
first class postage prepaid, a notice, setting forth in general terms the substance of such
supplemental indenture, to the Securityholders of all series affected thereby as their names and
addresses appear upon the Security Register. Any failure of the Company to send such notice, or
any defect therein, shall not, however, in any way impair or affect the validity of any such
supplemental indenture.

ARTICLE 10

SUCCESSOR ENTITY

     Section 10.01 Company May Consolidate, Etc.

     Except as provided pursuant to Section 2.01 pursuant to a Board Resolution, and set forth
in an Officers’ Certificate, or established in one or more indentures supplemental to this

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Indenture, nothing contained in this Indenture shall prevent any consolidation or merger of the
Company with or into any other Person (whether or not affiliated with the Company) or successive
consolidations or mergers in which the Company or its successor or successors shall be a party or
parties, or shall prevent any sale, conveyance, transfer or other disposition of the property of
the Company or its successor or successors as an entirety, or substantially as an entirety, to any
other corporation (whether or not affiliated with the Company or its successor or successors)
authorized to acquire and operate the same; provided, however, the Company hereby covenants and
agrees that, upon any such consolidation or merger (in each case, if the Company is not the
survivor of such transaction), sale, conveyance, transfer or other disposition, the due and
punctual payment of the principal of (premium, if any) and interest on all of the Securities of all
series in accordance with the terms of each series, according to their tenor, and the due and
punctual performance and observance of all the covenants and conditions of this Indenture with
respect to each series or established with respect to such series pursuant to Section 2.01 to be
kept or performed by the Company shall be expressly assumed, by supplemental indenture (which shall
conform to the provisions of the Trust Indenture Act, as then in effect) reasonably satisfactory in
form to the Trustee executed and delivered to the Trustee by the entity formed by such
consolidation, or into which the Company shall have been merged, or by the entity which shall have
acquired such property.

     Section 10.02 Successor Entity Substituted.

          (a) In case of any such consolidation, merger, sale, conveyance, transfer or other disposition
and upon the assumption by the successor entity by supplemental indenture, executed and delivered
to the Trustee and satisfactory in form to the Trustee, of the obligations set forth under Section
10.01 on all of the Securities of all series Outstanding, such successor entity shall succeed to
and be substituted for the Company with the same effect as if it had been named as the Company
herein, and thereupon the predecessor corporation shall be relieved of all obligations and
covenants under this Indenture and the Securities.

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

          (c) Nothing contained in this Article shall require any action by the Company in the case of a
consolidation or merger of any Person into the Company where the Company is the survivor of such
transaction, or the acquisition by the Company, by purchase or otherwise, of all or any part of the
property of any other Person (whether or not affiliated with the Company).

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     Section 10.03 Evidence of Consolidation, Etc. to Trustee.

     The Trustee, subject to the provisions of Section 7.01, shall receive an Officers’ Certificate
or an Opinion of Counsel as conclusive evidence that any such consolidation, merger, sale,
conveyance, transfer or other disposition, and any such assumption, comply with the provisions of
this Article.

ARTICLE 11

SATISFACTION AND DISCHARGE

     Section 11.01 Satisfaction and Discharge of Indenture.

     If at any time: (a) the Company shall have delivered to the Trustee for cancellation all
Securities of a series theretofore authenticated and not delivered to the Trustee for cancellation
(other than any Securities that shall have been destroyed, lost or stolen and that shall have been
replaced or paid as provided in Section 2.07 and Securities for whose payment money or Governmental
Obligations have theretofore been deposited in trust or segregated and held in trust by the Company
and thereupon repaid to the Company or discharged from such trust, as provided in Section 11.05);
or (b) all such Securities of a particular series not theretofore delivered to the Trustee for
cancellation shall have become due and payable, or are by their terms to become due and payable
within one year or are to be called for redemption within one year under arrangements satisfactory
to the Trustee for the giving of notice of redemption, and the Company shall deposit or cause to be
deposited with the Trustee as trust funds the entire amount in moneys or Governmental Obligations
or a combination thereof, sufficient in the opinion of a nationally recognized firm of independent
public accountants expressed in a written certification thereof delivered to the Trustee, to pay at
maturity or upon redemption all Securities of that series not theretofore delivered to the Trustee
for cancellation, including principal (and premium, if any) and interest due or to become due to
such date of maturity or date fixed for redemption, as the case may be, and if the Company shall
also pay or cause to be paid all other sums payable hereunder with respect to such series by the
Company then this Indenture shall thereupon cease to be of further effect with respect to such
series except for the provisions of Sections 2.03, 2.05, 2.07, 4.01, 4.02, 4.03 and 7.10, that
shall survive until the date of maturity or redemption date, as the case may be, and Sections 7.06
and 11.05, that shall survive to such date and thereafter, and the Trustee, on demand of the
Company and at the cost and expense of the Company shall execute proper instruments acknowledging
satisfaction of and discharging this Indenture with respect to such series.

     Section 11.02 Discharge of Obligations.

     If at any time all such Securities of a particular series not heretofore delivered to the
Trustee for cancellation or that have not become due and payable as described in Section 11.01
shall have been paid by the Company by depositing irrevocably with the Trustee as trust funds
moneys or an amount of Governmental Obligations sufficient to pay at maturity or upon redemption
all such Securities of that series not theretofore delivered to the Trustee for cancellation,
including principal (and premium, if any) and interest due or to become due to such date of
maturity or date fixed for redemption, as the case may be, and if the Company shall also

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pay or cause to be paid all other sums payable hereunder by the Company with respect to such
series, then after the date such moneys or Governmental Obligations, as the case may be, are
deposited with the Trustee the obligations of the Company under this Indenture with respect to such
series shall cease to be of further effect except for the provisions of Sections 2.03, 2.05, 2.07,
4,01, 4.02, 4,03, 7.06, 7.10 and 11.05 hereof that shall survive until such Securities shall mature
and be paid.

     Thereafter, Sections 7.06 and 11.05 shall survive.

     Section 11.03 Deposited Moneys to be Held in Trust.

     All moneys or Governmental Obligations deposited with the Trustee pursuant to Sections 11.01
or 11.02 shall be held in trust and shall be available for payment as due, either directly or
through any paying agent (including the Company acting as its own paying agent), to the holders of
the particular series of Securities for the payment or redemption of which such moneys or
Governmental Obligations have been deposited with the Trustee.

     Section 11.04 Payment of Moneys Held by Paying Agents.

     In connection with the satisfaction and discharge of this Indenture all moneys or Governmental
Obligations then held by any paying agent under the provisions of this Indenture shall, upon demand
of the Company, be paid to the Trustee and thereupon such paying agent shall be released from all
further liability with respect to such moneys or Governmental Obligations.

     Section 11.05 Repayment to Company.

     Any moneys or Governmental Obligations deposited with any paying agent or the Trustee, or then
held by the Company, in trust for payment of principal of or premium, if any, or interest on the
Securities of a particular series that are not applied but remain unclaimed by the holders of such
Securities for at least two years after the date upon which the principal of (and premium, if any)
or interest on such Securities shall have respectively become due and payable, or such other
shorter period set forth in applicable escheat or abandoned or unclaimed property law, shall be
repaid to the Company upon the Company’s request or (if then held by the Company) shall be
discharged from such trust; and thereupon the paying agent and the Trustee shall be released from
all further liability with respect to such moneys or Governmental Obligations, and the holder of
any of the Securities entitled to receive such payment shall thereafter, as a general creditor,
look only to the Company for the payment thereof.

ARTICLE 12

IMMUNITY OF INCORPORATORS, STOCKHOLDERS, OFFICERS AND DIRECTORS

     Section 12.01 No Recourse.

     No recourse under or upon any obligation, covenant or agreement of this Indenture, or of
any Security, or for any claim based thereon or otherwise in respect thereof, shall be had
against

41

 

any incorporator, stockholder, officer or director, past, present or future as such, of the
Company or of any predecessor or successor corporation, either directly or through the Company or
any such predecessor or successor corporation, whether by virtue of any constitution, statute or
rule of law, or by the enforcement of any assessment or penalty or otherwise; it being expressly
understood that this Indenture and the obligations issued hereunder are solely corporate
obligations, and that no such personal liability whatever shall attach to, or is or shall be
incurred by, the incorporators, stockholders, officers or directors as such, of the Company or of
any predecessor or successor corporation, or any of them, because of the creation of the
indebtedness hereby authorized, or under or by reason of the obligations, covenants or agreements
contained in this Indenture or in any of the Securities or implied therefrom; and that any and all
such personal liability of every name and nature, either at common law or in equity or by
constitution or statute, of, and any and all such rights and claims against, every such
incorporator, stockholder, officer or director as such, because of the creation of the indebtedness
hereby authorized, or under or by reason of the obligations, covenants or agreements contained in
this Indenture or in any of the Securities or implied therefrom, are hereby expressly waived and
released as a condition of, and as a consideration for, the execution of this Indenture and the
issuance of such Securities.

ARTICLE 13

MISCELLANEOUS PROVISIONS

     Section 13.01 Effect on Successors and Assigns.

     All the covenants, stipulations, promises and agreements in this Indenture made by or on
behalf of the Company shall bind its successors and assigns, whether so expressed or not.

     Section 13.02 Actions by Successor.

     Any act or proceeding by any provision of this Indenture authorized or required to be done or
performed by any board, committee or officer of the Company shall and may be done and performed
with like force and effect by the corresponding board, committee or officer of any corporation that
shall at the time be the lawful successor of the Company.

     Section 13.03 Surrender of Company Powers.

     The Company by instrument in writing executed by authority of its Board of Directors and
delivered to the Trustee may surrender any of the powers reserved to the Company, and thereupon
such power so surrendered shall terminate both as to the Company and as to any successor
corporation.

     Section 13.04 Notices.

     Except as otherwise expressly provided herein, any notice, request or demand that by any
provision of this Indenture is required or permitted to be given, made or served by the Trustee or
by the holders of Securities or by any other Person pursuant to this Indenture to or on the Company
may be given or served by being deposited in first class mail, postage prepaid,
addressed (until another address is filed in writing by the Company with the Trustee), as
follows:

42

 

2100 Powell Street, Emeryville, CA 94608. Any notice, election, request or demand
by the Company or any Securityholder or by any other Person pursuant to this Indenture to or upon
the Trustee shall be deemed to have been sufficiently given or made, for all purposes, if given or
made in writing at the Corporate Trust Office of the Trustee. Notwithstanding any other provision
of this Indenture or any Security, where this Indenture or any Security provides for notice of any
event (including any notice of redemption) to a Holder of a Global Security (whether by mail or
otherwise), such notice shall be sufficiently given if given to the Depositary for such Security
(or its designee), pursuant to the customary procedures of such Depositary.

     Section 13.05 Governing Law.

     This Indenture and each Security shall be deemed to be a contract made under the internal laws
of the State of New York, and for all purposes shall be construed in accordance with the laws of
said State, except to the extent that the Trust Indenture Act is applicable.

     Section 13.06 Treatment of Securities as Debt.

     It is intended that the Securities will be treated as indebtedness and not as equity for
federal income tax purposes. The provisions of this Indenture shall be interpreted to further this
intention.

     Section 13.07 Certificates and Opinions as to Conditions Precedent.

          (a) Upon any application or demand by the Company to the Trustee to take any action under any
of the provisions of this Indenture, the Company shall furnish to the Trustee an Officers’
Certificate stating that all conditions precedent provided for in this Indenture (other than the
certificate to be delivered pursuant to Section 13.12) relating to the proposed action have been
complied with and an Opinion of Counsel stating that in the opinion of such counsel all such
conditions precedent have been complied with, except that in the case of any such application or
demand as to which the furnishing of such documents is specifically required by any provision of
this Indenture relating to such particular application or demand, no additional certificate or
opinion need be furnished.

          (b) Each certificate or opinion provided for in this Indenture and delivered to the Trustee
with respect to compliance with a condition or covenant in this Indenture shall include (i) a
statement that the Person making such certificate or opinion has read such covenant or condition;
(ii) 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; (iii) a statement
that, in the opinion of such Person, he has made such examination or investigation as is reasonably
necessary to enable him to express an informed opinion as to whether or not such covenant or
condition has been complied with; and (iv) a statement as to whether or not, in the opinion of such
Person, such condition or covenant has been complied with.

     Section 13.08 Payments on Business Days.

     Except as provided pursuant to Section 2.01 pursuant to a Board Resolution, and set forth in
an Officers’ Certificate, or established in one or more indentures supplemental to this
Indenture, in any case where the date of maturity of interest or principal of any Security or
the

43

 

date of redemption of any Security shall not be a Business Day, then payment of interest or
principal (and premium, if any) may be made on the next succeeding Business Day with the same force
and effect as if made on the nominal date of maturity or redemption, and no interest shall accrue
for the period after such nominal date.

     Section 13.09 Conflict with Trust Indenture Act.

     If and to the extent that any provision of this Indenture limits, qualifies or conflicts with
the duties imposed by Sections 310 to 317, inclusive, of the Trust Indenture Act, such imposed
duties shall control.

     Section 13.10 Counterparts.

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

     Section 13.11 Separability.

     In case any one or more of the provisions contained in this Indenture or in the Securities of
any series shall for any reason be held to be invalid, illegal or unenforceable in any respect,
such invalidity, illegality or unenforceability shall not affect any other provisions of this
Indenture or of such Securities, but this Indenture and such Securities shall be construed as if
such invalid or illegal or unenforceable provision had never been contained herein or therein.

     Section 13.12 Compliance Certificates.

     The Company shall deliver to the Trustee, within 120 days after the end of each fiscal year
during which any Securities of any series were outstanding, a compliance certificate stating
whether or not the signer knows of any Default or Event of Default that occurred during such fiscal
year. Such certificate shall contain a certification from the principal executive officer,
principal financial officer or principal accounting officer of the Company that a review has been
conducted of the activities of the Company and the Company’s performance under this Indenture and
that the Company has complied with all conditions and covenants under this Indenture. For purposes
of this Section 13.12, such compliance shall be determined without regard to any period of grace or
requirement of notice provided under this Indenture. If the officer of the Company signing such
certificate has knowledge of such a Default or Event of Default, the certificate shall describe any
such Default or Event of Default and its status.

44

 

     In Witness Whereof, the parties hereto have caused this Indenture to be duly executed
all as of the day and year first above written.

	 	 	 	 	 
	 	Onyx Pharmaceuticals, Inc.

 	 
	 	By:  	/s/ Matthew K. Fust
 	 
	 	 	Name:  	Matthew K. Fust 	 
	 	 	Title:  	Executive Vice President and

Chief Financial Officer 	 
	 
	 	Wells Fargo Bank, N.A., as Trustee

 	 
	 	By:  	/s/ Lynn M. Steiner
 	 
	 	 	Name:  	Lynn M. Steiner 	 
	 	 	Title:  	Vice President 	 

45

 

	 	 	 	 	 

CROSS-REFERENCE TABLE (1)

	 	 	 
	Section of Trust Indenture Act Of 1939, as Amended	 	Section of Indenture
	310(a)
	 	7.09
	310(b)
	 	7.08
	 
	 	7.10
	310(c)
	 	Inapplicable
	311(a)
	 	7.13
	311(b)
	 	7.13
	311(c)
	 	Inapplicable
	312(a)
	 	5.01
	 
	 	5.02(a)
	312(b)
	 	5.02(c)
	312(c)
	 	5.02(c)
	313(a)
	 	5.04(a)
	313(b)
	 	5.04(b)
	313(c)
	 	5.04(a)
	 
	 	5.04(b)
	313(d)
	 	5.04(c)
	314(a)
	 	5.03
	 
	 	13.12
	314(b)
	 	Inapplicable
	314(c)
	 	13.07(a)
	314(d)
	 	Inapplicable
	314(e)
	 	13.07(b)
	314(f)
	 	Inapplicable
	315(a)
	 	7.01(a)
	 
	 	7.01(b)
	315(b)
	 	7.14
	315(c)
	 	7.01
	315(d)
	 	7.01(b)
	315(e)
	 	6.07
	316(a)
	 	6.06
	 
	 	8.04
	316(b)
	 	6.04
	316(c)
	 	8.01
	317(a)
	 	6.02
	317(b)
	 	4.03
	318(a)
	 	13.09

 

			
	(1)	 	This Cross-Reference Table does not constitute part of the Indenture and shall not have any
bearing on the interpretation of any of its terms or provisions.

46exv4w2

Exhibit 4.2

 

 

ONYX PHARMACEUTICALS, INC.

as Issuer

AND

WELLS FARGO BANK, NATIONAL ASSOCIATION

as Trustee

 

First Supplemental Indenture

Dated as of August 12, 2009

to

Indenture dated as of August 12, 2009

 

4.00% Convertible Senior Notes due 2016

 

 

 

 

TABLE OF CONTENTS

 

	 	 	 	 	 	 	 
	 
	 	 	 	Page
	 
	 
	ARTICLE 1

Certain Definitions and Provisions of General Application

	 
	 
	Section 1.01.

	 	Definitions
	 	 	2	 
	Section 1.02.

	 	Conflicts With Base Indenture
	 	 	10	 
	Section 1.03.

	 	Section References
	 	 	11	 
	
ARTICLE 2

The Notes

	 
	 
	Section 2.01.

	 	Designation and Terms of Notes
	 	 	11	 
	Section 2.02.

	 	Denominations
	 	 	11	 
	Section 2.03.

	 	Form and Dating
	 	 	12	 
	Section 2.04.

	 	CUSIP Numbers
	 	 	12	 
	Section 2.05.

	 	Ranking
	 	 	12	 
	 
	 
	

ARTICLE 3

Particular Covenants of the Company

	 
	 
	Section 3.01.

	 	Payment of Principal and Interest
	 	 	12	 
	Section 3.02.

	 	Maintenance of Office or Agency
	 	 	13	 
	Section 3.03.

	 	Provisions as to Paying Agent
	 	 	14	 
	Section 3.04.

	 	Existence
	 	 	15	 
	Section 3.05.

	 	Commission Filings and Reports
	 	 	15	 
	Section 3.06.

	 	Book-Entry System
	 	 	16	 
	Section 3.07.

	 	Additional Interest
	 	 	16	 
	Section 3.08.

	 	Stay; Extension and Usury Laws
	 	 	16	 
	Section 3.09.

	 	Compliance Certificate
	 	 	16	 
	 
	 
	
ARTICLE 4

Repurchase at Option of the Holder

	 
	 
	Section 4.01.

	 	Repurchase at the Option of the Holder Upon a Fundamental Change
	 	 	17	 
	 
	 
	

ARTICLE 5

Conversion of Notes

	 
	 
	Section 5.01.

	 	Right to Convert
	 	 	21	 
	Section 5.02.

	 	Conversion Procedures
	 	 	23	 
	Section 5.03.

	 	Settlement Upon Conversion
	 	 	24	 

i

 

	 	 	 	 	 	 	 
	 
	 	 	 	Page
	 
	 
	Section 5.04.

	 	Exchange in Lieu of Conversion
	 	 	27	 
	Section 5.05.

	 	Adjustment of Conversion Rate
	 	 	28	 
	Section 5.06.

	 	Adjustments of Prices
	 	 	37	 
	Section 5.07.

	 	Adjustment to Conversion Rate Upon Conversion Upon Make-Whole Fundamental Changes
	 	 	37	 
	Section 5.08.

	 	Taxes on Shares Issued
	 	 	39	 
	Section 5.09.

	 	Reservation of Shares; Shares to be
Fully Paid; Compliance with Governmental Requirements
	 	 	39	 
	Section 5.10.

	 	Responsibility of Trustee
	 	 	40	 
	Section 5.11.

	 	Stockholder Rights Plan
	 	 	40	 
	Section 5.12.

	 	Company Determination Final
	 	 	40	 
	 
	 
	
ARTICLE 6

Redemption

	 
	 
	Section 6.01.

	 	Optional Redemption
	 	 	41	 
	Section 6.02.

	 	Right to Redeem; Notices to Trustee
	 	 	41	 
	Section 6.03.

	 	Selection of Notes to be Redeemed
	 	 	44	 
	Section 6.04.

	 	Notice of Redemption
	 	 	44	 
	Section 6.05.

	 	Effect of Notice of Redemption
	 	 	45	 
	Section 6.06.

	 	Deposit of Redemption Price
	 	 	45	 
	Section 6.07.

	 	Notes Redeemed in Part
	 	 	46	 
	

ARTICLE 7

Events of Default and Remedies

	 
	 
	Section 7.01.

	 	Events of Default
	 	 	46	 
	Section 7.02.

	 	Acceleration of Maturity; Rescission and Annulment
	 	 	48	 
	Section 7.03.

	 	Collection of Indebtedness and Suits for Enforcement by Trustee	 	 	49	 
	Section 7.04.

	 	Trustee May File Proofs of Claim
	 	 	49	 
	Section 7.05.

	 	Trustee May Enforce Claims Without Possession of Notes
	 	 	50	 
	Section 7.06.

	 	Application of Money Collected
	 	 	50	 
	Section 7.07.

	 	Limitation on Suits
	 	 	50	 
	Section 7.08.

	 	Unconditional Right of Holders to Receive Principal and Interest and to Convert
	 	 	51	 
	Section 7.09.

	 	Restoration of Rights and Remedies
	 	 	51	 
	Section 7.10.

	 	Rights and Remedies Cumulative
	 	 	52	 
	Section 7.11.

	 	Delay or Omission Not Waiver
	 	 	52	 
	Section 7.12.

	 	Control by Holders
	 	 	52	 
	Section 7.13.

	 	Waiver of Past Defaults and Rescission
	 	 	52	 
	Section 7.14.

	 	Undertaking for Costs
	 	 	53	 
	Section 7.15.

	 	Waiver of Stay or Extension Laws
	 	 	54	 

ii

 

	 	 	 	 	 	 	 
	 
	 	 	 	Page
	 
	 
	ARTICLE 8

Consolidation, Merger, Conveyance, Transfer or Lease

	 
	 
	Section 8.01.

	 	Company May Consolidate, Etc., Only on Certain Terms
	 	 	54	 
	Section 8.02.

	 	Successor Substituted
	 	 	55	 
	 
	 
	ARTICLE 9

Satisfaction and Discharge

	 
	 
	Section 9.01.

	 	Satisfaction and Discharge of Indenture
	 	 	55	 
	 
	 
	

ARTICLE 10

Supplemental Indentures

	 
	 
	Section 10.01.

	 	Supplemental Indentures
	 	 	56	 
	Section 10.02.

	 	Supplemental Indentures Without Consent of Holders
	 	 	56	 
	Section 10.03.

	 	Supplemental Indentures with Consent of Holders
	 	 	57	 
	Section 10.04.

	 	Notices of Supplemental Indentures
	 	 	58	 
	 
	 
	ARTICLE 11

Miscellaneous

	 
	 
	Section 11.01.

	 	Governing Law
	 	 	58	 
	Section 11.02.

	 	Calculations in Respect of Notes
	 	 	59	 
	Section 11.03.

	 	Confirmation of Indenture
	 	 	59	 
	Section 11.04.

	 	Counterparts
	 	 	59	 

Signatures

Schedule A

Exhibit A

iii

 

     FIRST SUPPLEMENTAL INDENTURE dated as of August 12, 2009 (“Supplemental Indenture”), to the
Indenture dated as of August 12, 2009 (as amended, modified or supplemented from time to time in
accordance therewith, the “Base Indenture” and, as amended, modified and supplemented by this
Supplemental Indenture, the “Indenture”), by and among ONYX PHARMACEUTICALS, INC., a Delaware
corporation (the “Company”) and WELLS FARGO BANK, NATIONAL ASSOCIATION as trustee
(the “Trustee”).

RECITALS OF THE COMPANY

     WHEREAS, the Company has duly authorized the execution and delivery of the Base Indenture to
provide for the issuance from time to time of senior debt securities (the “Securities”) to be
issued in one or more series as provided in the Base Indenture;

     WHEREAS, Section 2.01 of the Base Indenture provides for the Company to establish Securities
of any series pursuant to an indenture supplemental, and Section 9.01(g) of the Base Indenture
provides for the Company and the Trustee to enter into any such indenture supplemental to provide
for the issuance and establish the form or terms of Securities of such series as permitted by
Section 2.01 of the Indenture without the consent of any Holders;

     WHEREAS, the Board of Directors has duly adopted resolutions authorizing the Company to
execute and deliver this Supplemental Indenture;

     WHEREAS, pursuant to the terms of the Indenture, the Company desires to provide for the
establishment of a new series of its Securities to be known as its “4.00% Convertible Senior Notes
due 2016” (the “Notes”), the form and substance of the Notes and the terms, provisions and
conditions thereof to be set forth as provided in the Indenture and this Supplemental Indenture;

     WHEREAS, the Company has requested that the Trustee execute and deliver this Supplemental
Indenture, and all requirements necessary to make (i) this Supplemental Indenture a valid and
legally binding instrument in accordance with its terms and (ii) the Notes, when executed by the
Company and authenticated and delivered by the Trustee, the valid and legally binding obligations
of the Company, have been performed, and the execution and delivery of this Supplemental Indenture
has been duly authorized in all respects.

     NOW, THEREFORE, THIS SUPPLEMENTAL INDENTURE WITNESSETH, for and in consideration of the
premises and the purchases of the Notes by the Holders thereof, it is mutually agreed, for the
benefit of the Company and the equal and proportionate benefit of all Holders of the Notes, as
follows:

 

 

ARTICLE 1

Certain Definitions and Provisions of General Application

     Section 1.01. Definitions. Capitalized terms used herein and not otherwise defined herein
have the meanings assigned to them in the Base Indenture. For all purposes of this Supplemental
Indenture, except as otherwise provided or unless the context otherwise requires:

     (1) the terms defined in this Article 1 have the meanings assigned to them in this Article and
include the plural as well as the singular;

     (2) all other terms used herein which are defined in the Trust Indenture Act, either directly
or by reference therein, have the meanings assigned to them therein;

     (3) all accounting terms not otherwise defined herein have the meanings assigned to them in
accordance with generally accepted accounting principles, and, except as otherwise herein expressly
provided, the term “generally accepted accounting principles” in the United States with respect to
any computation required or permitted hereunder shall mean such accounting principles as are
generally accepted at the date of the Indenture; and

     (4) the words “herein”, “hereof” and “hereunder” and other words of similar import refer to
the Indenture as a whole and not to any particular Article, Section or other subdivision.

     As used herein, the following terms have the specified meanings:

     “Additional Interest” has the meaning specified in Section 7.02(b).

     “Additional Notes” means an unlimited maximum aggregate principal amount of Notes (other than
the Initial Notes) issued under this Supplemental Indenture.

     “Additional Shares” has the meaning specified in Section 5.07(a).

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

     “Applicable Procedures” with respect to any transfer or transaction involving a Global Note or
beneficial interest therein, the rules and procedures of

2

 

DTC or any successor Depositary, in each case to the extent applicable to such transaction and
as in effect from time to time.

     “Bid Solicitation Agent” means the agency appointed by the Company to solicit bids for the
Trading Price of the Notes in accordance with Section 5.01(b). The Bid Solicitation Agent shall
initially be the Trustee.

     “Business Day” means each Monday, Tuesday, Wednesday, Thursday and Friday which is not a day
on which banking institutions in the City of New York are authorized or obligated by law or
executive order to close.

     “Capital Stock” means, for any entity, any and all shares, interests, participations or other
equivalents of or interests in (however designated) stock issued by that entity.

     “Certificated Note” means a Note that is in substantially the form attached hereto as Exhibit
A and that does not include the information or the schedule called for by footnotes 1 and 2
thereof.

     “Close of Business” means 5:00 p.m. New York City time.

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

     “Common Equity” of any corporation means the common stock, common equity interests, ordinary
shares or depositary shares or other certificates representing common equity interests of such
corporation.

     “Common Stock” means the shares of common stock, par value $0.001 per share, of the Company as
they exist on the date of this Supplemental Indenture or any other shares of Capital Stock of the
Company into which the Common Stock shall be reclassified or changed or, in the event of a merger,
consolidation or other similar transaction involving the Company that is otherwise permitted
hereunder in which the Company is not the surviving corporation, the Common Equity of such
surviving corporation or its direct or indirect parent corporation.

     “Consideration Notice” has the meaning specified in Section 5.03(b)(i).

     “Conversion Agent” means the person authorized by the Company to convert Notes in accordance
with Article 5. The Conversion Agent shall initially be the Trustee.

     “Conversion Date” has the meaning specified in Section 5.02.

3

 

     “Conversion Notice” has the meaning specified in Section 5.02(a).

     “Conversion Price” means at any time the amount equal to $1,000 divided by the then applicable
Conversion Rate.

     “Conversion Rate” has the meaning specified in Section 5.01.

     “Conversion Value” means, for every $1,000 principal amount of a Note being converted, an
amount equal to the sum of the Daily Conversion Values for each of the 25 Settlement Period Trading
Days in the Settlement Period.

     “corporation” means a corporation, association, company, joint-stock company or business
trust.

     “Current Market Price” means the average of the Last Reported Sale Prices of Common Stock over
the ten consecutive Trading-Day period ending on the Trading Day immediately preceding the Ex-Date
of the distribution requiring such computation.

     “Daily Conversion Value” means, for any Settlement Period Trading Day, one-twenty-fifth
(1/25th) of the product of (1) the applicable Conversion Rate on such Settlement Period Trading Day
multiplied by (2) the VWAP of Common Stock (or, if applicable, the Reference Property into which
the Common Stock has been converted) on such Settlement Period Trading Day.

     “Depositary” means DTC until a successor Depositary shall have become such pursuant to the
applicable provisions of the Indenture, and thereafter “Depositary” shall mean such successor
Depositary.

     “Designated Institution” has the meaning specified in Section 5.04(a)(i).

     “DTC” means The Depository Trust Company, a New York corporation, or any successor.

     “Effective Date” means, with respect to any issuance or distribution on Common Stock, the
first date on which shares of Common Stock trade on the applicable exchange or in the applicable
market, regular way, reflecting such issuance or distribution.

     “Expiration Date” has the meaning specified in Section 5.05(e).

     “Expiration Time” has the meaning specified in Section 5.05(e).

     “Event of Default” has the meaning specified in Section 7.01(b).

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

4

 

     “Ex-Date” means, with respect to any issuance or distribution on the Common Stock, the first
date on which the shares of the Common Stock trade on the relevant exchange or in the relevant
market, regular way, without the right to receive such issuance or distribution.

     “Fixed Cash Amount” has the meaning specified in Section 5.03(a)(iii)(A).

     “Fundamental Change” will be deemed to have occurred at the time after the Notes are
originally issued that any of the following occurs:

     (1) upon filing with the SEC of any Schedule TO, or any other schedule or form or report under
the Exchange Act, disclosing the consummation of a transaction (including, without limitation, a
merger or consolidation) the result of which is that any “person” or “group” within the meaning of
Section 13(d) of the Exchange Act other than the Company, its Subsidiaries or the Company’s or its
Subsidiaries’ employee benefit plans, files a Schedule TO or any schedule, form or report under the
Exchange Act disclosing that such person or group has become the direct or indirect “beneficial
owner,” as defined in Rule 13d-3 under the Exchange Act, of the Company’s Common Equity
representing more than 50% of the voting power of the Company’s Common Equity;

     (2) consummation of (A) any recapitalization, reclassification or change of the Common Stock
(other than changes resulting from a subdivision or combination) as a result of which the Common
Stock would be converted into, or exchanged for, stock, other securities, other property or assets
or (B) any share exchange, consolidation or merger of the Company pursuant to which the Common
Stock will be converted into cash, securities or other property or any conveyance, transfer, sale,
lease or other disposition in one transaction or a series of transactions of all or substantially
all of the consolidated assets of the Company and its Subsidiaries, taken as a whole, to any person
other than one of the Company’s Subsidiaries; provided, however, that neither (a) a transaction
pursuant to which the holders of 50% or more of the total voting power of all classes of the
Company’s Common Equity immediately prior to such transaction have the right to exercise 50% or
more of the total voting power of all shares of Common Equity of the continuing or surviving
corporation (or any parent thereof) entitled to vote generally in elections of directors of such
corporation (or any parent thereof) immediately after such event, nor (b) any merger primarily for
the purpose of changing the Company’s jurisdiction of incorporation and resulting in a
reclassification, conversion or exchange of outstanding shares of the Common Stock solely into
shares of common stock of the surviving entity shall be a Fundamental Change;

     (3) the Company’s stockholders approve any plan or proposal for its liquidation or
dissolution; or

5

 

     (4) the Common Stock (or other common stock into which the Notes are then convertible) ceases
to be listed on any of the NASDAQ Global Market, the NASDAQ Global Select Market or the New York
Stock Exchange or other national securities exchange.

A fundamental change as a result of clause (1) or (2) above will not be deemed to have occurred,
however, if at least 90% of the consideration paid for the Common Stock, excluding cash payments
for fractional shares, cash payments made pursuant to dissenters’ appraisal rights in the
transaction or transactions constituting the Fundamental Change consists of shares of common stock
listed on any of the NASDAQ Global Market, NASDAQ Global Select Market or the New York Stock
Exchange (or any of their respective successors) or will be so listed immediately following such
Fundamental Change (these securities being referred to as “publicly traded securities”) and as a
result of such transaction or transactions the Notes become convertible into such publicly traded
securities on the basis set forth under Section 5.05(m), subject to Section 5.02.

     “Fundamental Change Expiration Time” has the meaning specified in Section 4.01(c).

     “Fundamental Change Repurchase Date” has the meaning specified in Section 4.01(a).

     “Fundamental Change Repurchase Notice” has the meaning specified in Section 4.01(a).

     “Fundamental Change Repurchase Price” has the meaning specified in Section 4.01(a).

     “Fundamental Change Repurchase Right Notice” has the meaning specified in Section 4.01(b).

     “Global Note” means a permanent Global Note that is in substantially the form attached hereto
as Exhibit A and that includes the information and schedule called for by footnotes 1 and 2 thereof
and which is deposited with the Depositary or its custodian and registered in the name of the
Depositary or its nominee.

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

     “Initial Notes” has the meaning specified in Section 2.01.

     “Interest Payment Date” means each February 15 and August 15 of each year, beginning February
15, 2010.

     “Issue Date” with respect to the Initial Notes means August 12, 2009, and with respect to any
Additional Notes, the date of original issuance of such Additional Notes.

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     “Last Reported Sale Price” of the Common Stock on any date means (i) the closing sale price
per share (or if no closing sale price is reported, the average of the bid and ask prices or, if
more than one in either case, the average of the average bid and the average ask prices) on that
date as reported by the NASDAQ Global Market; or (ii) if the Common Stock is not listed for trading
on the NASDAQ Global Market, the closing sale price per share (or if no closing sale price is
reported, the average of the bid and ask prices or, if more than one in either case, the average of
the average bid and the average ask prices) on that date as reported in composite transactions for
the principal U.S. national or regional securities exchange on which the Common Stock is traded; or
(iii) if the Common Stock is not listed for trading on a U.S. national or regional securities
exchange, the closing price per share (or if no closing sale price is reported, the average of the
bid and ask prices or, if more than one in either case, the average of the average bid and the
average ask prices) for the Common Stock on that date as reported by the OTC Bulletin Board; or
(iv) if not so reported by the OTC Bulletin Board, the last quoted bid price for the Common Stock
in the over-the-counter market on that date as reported by Pink OTC Markets Inc. or similar
organization; or (v) if the Common Stock is not so quoted by Pink OTC Markets Inc. or similar
organization, the average of the mid-point of the last bid and ask prices for the Common Stock on
the relevant date from a nationally recognized independent investment banking firm selected by the
Company for this purpose. Any such determination shall be made by the Company and shall be
conclusive absent manifest error. The Last Reported Sale Price of the Common Stock will be
determined without reference to extended or after-hours trading. If, during a period applicable for
calculating the Last Reported Sale Price of the Common Stock, an event occurs that requires an
adjustment to the Conversion Rate, the Last Reported Sale Price shall be calculated for such period
in a manner determined by the Company to appropriately reflect the impact of such event on the
price of the Common Stock during such period.

     “Make-Whole Fundamental Change” means any transaction or event that constitutes a Fundamental
Change pursuant to clause (1), (2) (disregarding the proviso in clause (2)), (3) and (4) under the
definition of Fundamental Change (subject to the exception set forth in the paragraph immediately
following clause (4) of the definition thereof).

     “Make-Whole Premium” means a payment in cash, shares of Common Stock or a combination of cash
and shares of Common Stock, at the Company’s option, equal to the sum of present values of the
remaining scheduled payments of interest that would have been made on the Notes to be redeemed had
such Notes remained outstanding from the Redemption Date to August 15, 2016 (excluding interest
accrued to, but excluding, such Redemption Date, which is otherwise paid pursuant to clause (ii) of
the definition of Redemption Price), computed using a discount rate equal to 2.5%. If the Company
elects to pay some or all of the Make-Whole Premium in shares of Common Stock, then the number of
shares of

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Common Stock a Holder will receive will be that number of shares as provided in Section
6.02(c).

     “Make-Whole Reference Date” has the meaning in Section 5.07(b).

     “Market Disruption Event” means (i) a failure by the primary U.S. national or regional
securities exchange or market on which the Common Stock is listed or admitted to trading to open
for trading during its regular trading session or (ii) the occurrence or existence during the
one-half hour period ending on the scheduled close of trading on any Trading Day of any material
suspension or limitation imposed on trading (by reason of movements in price exceeding limits
permitted by the stock exchange or otherwise) in the Common Stock or in any options, contracts or
future contracts relating to the Common Stock.

     “Maturity Date” means August 15, 2016.

     “Merger Event” has the meaning specified in Section 5.05(m).

     “Measurement Period” has the meaning specified in Section 5.01(b).

     “Net Share Settlement Election” has the meaning specified in Section 5.03(b)(iii).

     “Note” and “Notes” have the meaning specified in the Recitals and include the Initial Notes
and any Additional Notes. The Initial Notes and Additional Notes shall be treated as a single class
for all purposes under the Indenture.

     “Notice of Redemption” has the meaning specified in Section 6.04.

     “Open of Business” means 9:00 a.m. New York City time.

     “Paying Agent” means any Person authorized by the Company to pay the principal of or interest
on any Notes on behalf of the Company, and shall initially be the Trustee.

     “Redemption Date” means the date specified for redemption of the Notes in accordance with the
terms of the Notes and Article 6.

     “Redemption Price” has the meaning specified in Section 6.02(b).

     “Reference Property” has the meaning specified in Section 5.05(m).

     “Regular Record Date” for the interest payable on any Interest Payment Date means the February
1 or August 1 (whether or not a Business Day), as the case may be, next preceding such Interest
Payment Date.

     “Reporting Default” has the meaning specified in Section 7.02(b).

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     “Scheduled Trading Day” means any day on which the primary U.S. national or regional
securities exchange or market on which the Common Stock is
listed or admitted for trading is scheduled to be open for trading or, if the Common Stock is
not listed or admitted for trading on any exchange or market, any Business Day.

     “Securities Act” means the Securities Act of 1933, as amended.

     “Securities Custodian” means the Trustee, as custodian with respect to the Global Securities,
or any successor thereto.

     “Settlement Period” means the 25 consecutive Settlement Period Trading Days (i) with respect
to any Conversion Date occurring during the period beginning 30 Scheduled Trading Days preceding
the Maturity Date, beginning on and including the 27th Scheduled Trading Day immediately preceding
the Maturity Date, (ii) with respect to any Conversion Date occurring after the Company has given a
Notice of Redemption, beginning on and including the 27th Scheduled Trading Day immediately
preceding the Redemption Date and (iii) in all other instances, beginning on and including the
third Trading Day following the Conversion Date.

     “Settlement Period Market Disruption Event” means (i) a failure by the primary U.S. national
or regional securities exchange or market on which the Common Stock is listed or admitted to
trading to open for trading during its regular trading session or (ii) the occurrence or existence
on any Trading Day for the Common Stock of an aggregate one half-hour period, of any suspension or
limitation imposed on trading (by reason of movements in price exceeding limits permitted by the
stock exchange or otherwise) in the Common Stock or in any options contracts or futures contracts
relating to the Common Stock.

     “Settlement Period Trading Day” means a day during which (i) trading in the Common Stock
generally occurs on the primary exchange or market on which the Common Stock is listed, quoted or
admitted for trading and (ii) there is no Settlement Period Market Disruption Event, provided,
however, that that if on any Trading Day the Common Stock is not traded on any market, then that
Trading Day shall nevertheless be a “Settlement Period Trading Day” so long as the Company is able
to obtain the market value per share of the Common Stock on that Trading Day from a nationally
recognized independent investment banking firm retained for this purpose by the Company.

     “Significant Subsidiaries” means any direct or indirect Subsidiary of the Company within the
meaning of Section 1-02(w) of Regulation S-X as promulgated by the Commission.

     “Spin-Off” has the meaning specified in Section 5.05(c).

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     “Stated Maturity”, when used with respect to any Security, means the date specified in such
Security as the fixed date on which the principal of such Security is due and payable.

     “Stock Price” has the meaning specified in Section 5.07(b).

     “Trading Day” means a day during which (i) the NASDAQ Global Market is open for trading, or if
the Common Stock is not listed for trading on the NASDAQ Global Market, the principal U.S. national
or regional securities exchange on which the Common Stock is listed is open for trading, or if the
Common Stock is not so quoted or listed, any Business Day; and (ii) there is no Market Disruption
Event.

     “Trading Price” of the Notes on any date of determination means the average of the secondary
market bid quotations obtained by the Bid Solicitation Agent for $2,000,000 aggregate principal
amount of the Notes at approximately 3:30 p.m., New York City time, on such determination date from
three independent nationally recognized securities dealers selected by the Company; provided that,
if only two such bids can reasonably be obtained, then the average of the two bids will be used,
and if only one such bid can reasonably be obtained, that one bid will be used. If the Bid
Solicitation Agent cannot reasonably obtain at least one bid for $2,000,000 in principal amount of
the Notes, then the Trading Price per $1,000 in principal amount of the Notes will be deemed to be
less than 98% of the product of the Last Reported Sale Price of the Common Stock and the applicable
Conversion Rate for such date of determination. Any such determination shall be made by the Company
and shall be conclusive absent manifest error.

     “Valuation Period” has the meaning specified in Section 5.05(c).

     “VWAP” means, with respect to any Settlement Period Trading Day during the Settlement Period,
the per share volume-weighted average price as displayed under the heading “Bloomberg VWAP” on
Bloomberg page ONXX.Q <equity> AQR, or any successor page, in respect of the period from 9:30
a.m. to 4:00 p.m., New York City time, on such Settlement Period Trading Day, or if such
volume-weighted average price is unavailable, the market value per share of Common Stock (or one
unit of Reference Property consisting of marketable equity securities) on such Settlement Period
Trading Day as determined by a nationally recognized independent investment banking firm retained
for this purpose by the Company.

     Section 1.02. Conflicts With Base Indenture. If any provision of this Supplemental Indenture
limits, qualifies or conflicts with a provision of the Base Indenture, such provision of this
Supplemental Indenture shall control.

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     Section 1.03. Section References. References to Articles, Sections, Exhibits, Annexes and
Schedules are to Articles, Sections, Exhibits, Annexes and Schedules of this Supplemental Indenture
unless otherwise specified.

ARTICLE 2

The Notes

     Section 2.01. Designation and Terms of Notes. There is hereby created and designated a series
of Securities under the Base Indenture. The title of the Notes shall be “4.00% Convertible Senior
Notes Due 2016.” The changes, modifications and supplements to the Base Indenture effected by this
Supplemental Indenture shall be applicable only with respect to, and govern the terms of, the Notes
and shall not apply to any other series of Securities that may be issued under the Base Indenture
unless a supplemental indenture with respect to such other series of Securities specifically
incorporates such changes, modifications and supplements.

     The aggregate principal amount of the Notes that initially may be authenticated and delivered
under this Supplemental Indenture (the “Initial Notes”) shall be limited to $230,000,000, subject
to increase as set forth in Section 10.02(g).

     The Notes shall mature on August 15, 2016.

     The Notes shall bear interest at the rate of 4.00% per annum, from August 12, 2009 or from the
most recent Interest Payment Date to which interest has been paid or duly provided for, as the case
may be, semi-annually in arrears, on February 15 and August 15 of each year, commencing on February
15, 2010. Interest (including Additional Interest, if any) will be computed on the basis of a
360-day year comprised of twelve 30-day months. If an Interest Payment Date is not a Business Day,
payment will be made on the next succeeding Business Day and no additional interest will accrue
thereon. Pursuant to Section 7.02, in certain circumstances, the Holders of Notes shall be
entitled to receive Additional Interest. Interest (including Additional Interest, if any) will
cease to accrue on a Note upon the Maturity Date, conversion, redemption or repurchase by the
Company at the option of the Holder pursuant to Article 4.

     Principal and interest (including Additional Interest, if any) on Global Notes shall be
payable in the manner set forth in Section 3.01.

     The Notes shall be convertible as provided in Article 5.

     Section 2.02. Denominations. The Notes initially shall be issuable only in book-entry form
without coupons and only in denominations of $1,000 and any multiple thereof.

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     Section 2.03. Form and Dating. (a) The Notes and the Trustee’s certificate of authentication
shall be substantially in the form set forth in Exhibit A, which Exhibit is incorporated in
and made part of the Indenture. The Notes may have notations, legends or endorsements required by
law, exchange rule, Applicable Procedures or usage. The Company shall provide any such notations,
legends or endorsements to the Trustee in writing. Each Note shall be dated the date of its
authentication.

     (b) Global Notes. All of the Notes shall be issued initially in the form of one or
more Global Notes, which shall be deposited on behalf of the purchasers of the Notes represented
thereby with the Trustee, at its Corporate Trust Office, as custodian for the Depositary and
registered in the name of its nominee, Cede & Co., or as otherwise instructed by the Depositary
duly executed by the Company and authenticated by the Trustee as hereinafter provided. The
aggregate principal amount of the Global Notes may from time to time be increased or decreased by
adjustments made on the records of the Securities Custodian and the Depositary as hereinafter
provided, subject in each case to compliance with the Applicable Procedures and the provisions of
the Indenture.

     (c) Certificated Notes. Certificated Notes will be issued only under the limited
circumstances in which definitive registered form of the Securities may be issued as provided in
Section 2.11(c) of the Base Indenture.

     Section 2.04. CUSIP Numbers. The Company in issuing the Notes may use one or more “CUSIP”
numbers (if then generally in use), and, if so, the Trustee shall use “CUSIP” numbers in notices of
purchase as a convenience to Holders; provided, however, that any such notice may state that no
representation is made as to the correctness of such numbers either as printed on the Notes or as
contained in any notice and that reliance may be placed only on the other identification numbers
printed on the Notes, and any such notice shall not be affected by any defect in or omission of
such numbers. The Company shall without unreasonable delay notify the Trustee of any change in the
“CUSIP” numbers.

     Section 2.05. Ranking. The obligations of the Company arising under or in connection with
the Indenture and every outstanding Note issued under the Indenture from time to time constitute
and shall constitute a general unsecured senior obligation of the Company, ranking equally with
existing and future senior unsecured indebtedness of the Company and ranking senior in right of
payment to any future indebtedness of the Company that is expressly made subordinate to the Notes
by the terms of such indebtedness.

ARTICLE 3

Particular Covenants of the Company

     Section 3.01. Payment of Principal and Interest.

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     (a) The Company covenants and agrees that it shall duly and punctually pay or cause to be paid
the principal of and interest (including Additional Interest, if any), on each of the Notes at the
places, at the respective times and in the
manner provided herein and in the Notes. All references to “interest” in the Indenture are
deemed to include Additional Interest.

     (b) On the Maturity Date, each Holder will be entitled to receive on such date $1,000 in cash
for each $1,000 in principal amount of Notes, together with accrued and unpaid interest to, but not
including, the Maturity Date, unless earlier converted, repurchased or redeemed. With respect to
Global Notes, principal and interest will be paid to the Depositary in immediately available funds.
With respect to any Certificated Notes, principal and interest will be payable at the office or
agency maintained by the Company for such purpose, which initially shall be the Corporate Trust
Office of the Trustee.

     (c) The Company will pay or cause to be paid interest on:

     (i) Global Notes to the Depositary in immediately available funds;

     (ii) any Certificated Notes having a principal amount of less than $5,000,000, by
check mailed to the holders of those notes; provided, however, at maturity, interest will
be payable as described in Section 3.01(b); and

     (iii) any Certificated Notes having a principal amount of $5,000,000 or more, by wire
transfer in immediately available funds at the election of the Holders of those Notes duly
delivered to the Trustee at least five business days prior to the relevant interest
payment date; provided, however, at maturity, interest will be payable as described in
Section 3.01(b).

     Subject to Section 6.02(b), interest will be paid to the person in whose name a Note is
registered at the Close of Business on February 1 or August 1, as the case may be, immediately
preceding the relevant Interest Payment Date.

     Section 3.02. Maintenance of Office or Agency. The Company shall maintain an office or
agency where the Notes may be surrendered for registration of transfer or exchange or for
presentation for payment or for conversion and where notices and demands to or upon the Company in
respect of the Notes and the Indenture may be served. The Company shall give prompt written notice
to the Trustee of the location, and any change in the location, of such office or agency not
designated or appointed by the Trustee. If at any time the Company shall fail to maintain any such
required office or agency or shall fail to furnish the Trustee with the address thereof, such
presentations, surrenders, notices and demands may be made or served at the Corporate Trust Office,
and the Company

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hereby appoints the Trustee as its agent to receive all such presentations,
surrenders, notices and demands.

     The Company may also from time to time designate co-registrars and one or more offices or
agencies where the Notes may be presented or surrendered for any or all such purposes and may from
time to time rescind such designations.

     The Company will give prompt written notice of any such designation or rescission and of any
change in the location of any such other office or agency.

     The Company hereby initially designates the Trustee as Paying Agent, Security Registrar,
Securities Custodian and Conversion Agent.

     Section 3.03. Provisions as to Paying Agent.

     (a) If the Company shall appoint a Paying Agent other than the Trustee, or if the Trustee
shall appoint such a Paying Agent, the Company will cause such Paying Agent to execute and deliver
to the Trustee an instrument in which such Paying Agent shall agree with the Trustee, subject to
the provisions of this Section 3.03 that such Paying Agent will :

     (i) comply with the duties applicable to a paying agent under the Trust Indenture
Act; and

     (ii) during the continuance of any default by the Company (or any other obligor upon
the Notes) in the making of any payment in respect of the Notes, upon the written request
of the Trustee, forthwith pay to the Trustee all sums held in trust by such Paying Agent
as such.

     The Company shall, on or before each due date of the principal of or interest (including
Additional Interest, if any) on the Notes, deposit with the Paying Agent a sum (in funds which are
immediately available on the due date for such payment) sufficient to pay such principal or
interest, and (unless such Paying Agent is the Trustee) the Company will promptly notify the
Trustee of any failure to take such action; provided, however, that if such deposit is made on the
due date, such deposit shall be received by the Paying Agent by 10:00 a.m. New York City time, on
such date.

     (b) If the Company shall act as its own Paying Agent, it will, on or before each due date of
the principal of or interest on the Notes, set aside, segregate and hold in trust for the benefit
of the Holders of the Notes a sum sufficient to pay such principal or interest (including
Additional Interest, if any) so becoming due and will promptly notify the Trustee of any failure to
take such action and of any failure by the Company (or any other obligor under the Notes) to make
any payment of the principal of or interest (including Additional Interest, if any) on the Notes
when the same shall become due and payable.

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     (c) Anything in this Section 3.03 to the contrary notwithstanding, the Company may, at any
time, for the purpose of obtaining a satisfaction and discharge of the Indenture, or for any other
reason, pay or cause to be paid to the Trustee all sums held in trust by the Company or any Paying
Agent hereunder as
required by this Section 3.03, such sums to be held by the Trustee upon the trusts herein
contained, and upon such payment by the Company or any Paying Agent to the Trustee, the Company or
such Paying Agent shall be released from all further liability with respect to such sums.

     (d) Anything in this Section 3.03 to the contrary notwithstanding, the agreement to hold sums
in trust as provided in this Section 3.03 is subject to Section 11.05 of the Base Indenture.

     The Trustee shall not be responsible for the actions of any other Paying Agents (including the
Company if acting as its own Paying Agent) and shall have no control of any funds held by such
other Paying Agents.

     Section 3.04. Existence. Subject to Article 8, the Company will do or cause to be done all
things necessary to preserve and keep in full force and effect its existence and rights (charter
and statutory); provided, however, that the Company shall not be required to preserve any such
right if the Company shall determine that the preservation thereof is no longer desirable in the
conduct of the business of the Company and that the loss thereof is not disadvantageous in any
material respect to the Holders of the Notes.

     Section 3.05. Commission Filings and Reports. So long as any Notes are outstanding, the
Company shall deliver to the Trustee, within 15 calendar days after the Company would have been
required to file with the Commission (giving effect to any grace period provided by Rule 12b-25
under the Exchange Act), copies of the Company’s annual reports and of the information, documents
and other reports (or copies of such portions of any of the foregoing as the Commission may by
rules and regulations prescribe) which the Company is required to file with the Commission pursuant
to Section 13 or 15(d) of the Exchange Act. Documents filed by us with the SEC via its EDGAR system
(or any successor thereto) will be deemed to be filed with the Trustee as of the time such
documents are so filed. In the event the Company is at any time no longer subject to the reporting
requirements of Section 13 or 15(d) of the Exchange Act, it shall continue to provide the Trustee
with reports containing substantially the same information as would have been required to be filed
with the Commission had the Company continued to have been subject to such reporting requirements.
In such event, such reports shall be provided at the times the Company would have been required to
provide reports had it continued to have been subject to such reporting requirements. The Company
also shall comply with the other provisions of Section 314(a) of the Trust Indenture Act and will
furnish to Holders, beneficial owners and prospective purchasers of the Notes or shares of Common
Stock issuable upon conversion of the Notes, upon their request, the information required to be
delivered pursuant to Rule 144A(d)(4) under the

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Securities Act. Delivery of such reports,
information and documents to the Trustee is for informational purposes only and the Trustee’s
receipt of such shall not constitute constructive notice of any information contained therein or
determinable from information contained therein, including the Company’s
compliance with any of its covenants hereunder (as to which the Trustee is entitled to rely
exclusively on Officers’ Certificates).

     Section 3.06. Book-Entry System. If the Notes cease to trade in the Depositary’s book-entry
settlement system, the Company covenants and agrees that it shall use reasonable efforts to make
such other book entry arrangements that it determines are reasonable for the Notes.

     Section 3.07. Additional Interest. If at any time Additional Interest becomes payable by the
Company pursuant to Section 7.02, the Company shall promptly deliver to the Trustee a certificate
to that effect and stating (i) the amount of such Additional Interest that is payable and (ii) the
date on which such Additional Interest is payable. Unless and until a Responsible Officer of the
Trustee receives such a certificate, the Trustee may assume without inquiry that no Additional
Interest is payable. If the Company has paid Additional Interest directly to the Persons entitled
to such Additional Interest, the Company shall deliver to the Trustee a certificate setting forth
the particulars of such payment.

     Section 3.08. Stay; Extension and Usury Laws. The Company covenants (to the extent that it
may lawfully do so) that it shall not at any time insist upon, plead, or in any manner whatsoever
claim or take the benefit or advantage of, any stay, extension or usury law or other law which
would prohibit or forgive the Company from paying all or any portion of the principal of or
interest (including Additional Interest, if any) on the Notes as contemplated herein, wherever
enacted, now or at any time hereafter in force, or which may affect the covenants or the
performance of the Indenture, and the Company (to the extent it may lawfully do so) hereby
expressly waives all benefit or advantage of any such law, and covenants that it will not, by
resort to any such law, hinder, delay or impede the execution of any power herein granted to the
Trustee, but will suffer and permit the execution of every such power as though no such law had
been enacted.

     Section 3.09. Compliance Certificate. The Company shall deliver to the Trustee, within one
hundred twenty (120) days after the end of each fiscal year of the Company, an Officers’
Certificate, stating whether or not to the knowledge of the signer thereof the Company is in
default in the performance and observance of any of the terms, provisions and conditions of the
Indenture (without regard to any period of grace or requirement of notice provided hereunder) and,
if the Company shall be in default, specifying all such defaults and the nature and the status
thereof of which the signer may have knowledge.

     Any notice required to be given under this Section 3.09 shall be delivered to a Responsible
Officer of the Trustee at its Corporate Trust Office.

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ARTICLE 4

Repurchase at Option of the Holder

     Section 4.01. Repurchase at the Option of the Holder Upon a Fundamental Change.

     (a) If a Fundamental Change occurs at any time, then each Holder shall have the right, at such
Holder’s option, to require the Company to repurchase all of such Holder’s Notes, or any portion
thereof that is a multiple of $1,000 principal amount, for cash on the date (the “Fundamental
Change Repurchase Date”) specified by the Company that is not less than 20 Business Days and not
more than 35 Business Days after the date of the Fundamental Change Repurchase Right Notice at a
repurchase price equal to 100% of the principal amount thereof, together with accrued and unpaid
interest thereon to, but excluding, the Fundamental Change Repurchase Date (unless the Fundamental
Change Repurchase Date is between a Regular Record Date and the Interest Payment Date to which it
relates, in which case the Company will pay the full interest amount payable on such Interest
Payment Date to the record holder as of such Regular Record Date) (the “Fundamental Change
Repurchase Price”).

     Repurchases of Notes under this Section 4.01 shall be made, at the option of the Holder
thereof, upon:

     (i) if the Notes are held in certificated form, delivery to the Trustee (or other
Paying Agent appointed by the Company) by a Holder of a duly completed notice (the
“Fundamental Change Repurchase Notice”) in the form set forth on the reverse of the Note
or, if the Notes are held in global form, a notice that complies with the Applicable
Procedures, prior to the Close of Business on the Business Day immediately preceding the
Fundamental Change Repurchase Date, subject to extension to comply with applicable law;
and

     (ii) delivery or book-entry transfer of the Notes (together with all necessary
endorsements) to the Trustee (or other Paying Agent appointed by the Company) at any time
after delivery of the Fundamental Change Repurchase Notice and prior to the Close of
Business on the Business Day immediately preceding the Fundamental Change Repurchase Date,
subject to extension to comply with applicable law, at the Corporate Trust Office of the
Trustee (or other Paying Agent appointed by the Company), such delivery being a condition
to receipt by the Holder of the Fundamental Change Repurchase Price therefor; provided
that such Fundamental Change Repurchase Price shall be so paid pursuant to this Section
4.01 only if the Note so delivered to the Trustee (or other Paying Agent appointed by the
Company) shall conform in all respects to the description thereof in the related Fundamental Change Repurchase
Notice.

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     The Fundamental Change Repurchase Notice shall state:

     (A) if certificated, the certificate numbers of Notes to be delivered for
repurchase;

     (B) the portion of the principal amount of Notes to be repurchased, which
must be $1,000 or an integral multiple thereof; and

     (C) that the Notes are to be repurchased by the Company pursuant to the
applicable provisions of the Notes and the Indenture.

     provided, however, that if the Notes are not in certificated form, the Fundamental Change
Repurchase Notice must comply with the Applicable Procedures.

     Any purchase by the Company contemplated pursuant to the provisions of this Section 4.01 shall
be consummated by the delivery of the consideration to be received by the Holder promptly following
the later of the Fundamental Change Repurchase Date and the time of the book-entry transfer or
delivery of the Note.

     The Trustee (or other Paying Agent appointed by the Company) shall promptly notify the Company
of the receipt by it of any Fundamental Change Repurchase Notice or written notice of withdrawal
thereof in accordance with the provisions of subsection (c) of this Section 4.01.

     Any Note that is to be repurchased only in part shall be surrendered to the Trustee (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), and the Company shall execute, and the Trustee shall
authenticate and make available for delivery to the Holder of such Note without service charge, a
new Note or Notes, containing identical terms and conditions, each in an authorized denomination in
aggregate principal amount equal to and in exchange for the unrepurchased portion of the principal
of the Note so surrendered.

     (b) On or before the 15th day after the occurrence of a Fundamental Change, the
Company shall provide to all Holders of record of the Notes and the Trustee and Paying Agent a
written notice (the “Fundamental Change Repurchase Right Notice”) of the occurrence of such
Fundamental Change and of the repurchase right, if any, at the option of the Holders arising as a
result thereof.

     Each Fundamental Change Repurchase Right Notice shall specify (if applicable):

18

 

     (i) the events causing the Fundamental Change;

     (ii) the date of the Fundamental Change;

     (iii) the last date on which a Holder may exercise its repurchase rights under
Section 4.01;

     (iv) the Fundamental Change Repurchase Price;

     (v) the Fundamental Change Repurchase Date;

     (vi) the name and address of the Paying Agent and the Conversion Agent;

     (vii) that the Notes are eligible to be converted, the applicable Conversion Rate and
any adjustments to the applicable Conversion Rate;

     (viii) that the Notes with respect to which a Fundamental Change Repurchase Notice
has been delivered by a Holder may be converted only if the Holder withdraws the
Fundamental Change Repurchase Notice in accordance with the terms of the Indenture;

     (ix) that the Holder must exercise its repurchase right by the Close of Business on
the Business Day immediately preceding the Fundamental Change Repurchase Date;

     (x) that the Holder has the right to withdraw any Notes tendered for repurchase prior
to the Close of Business on the Business Day immediately preceding the Fundamental Change
Repurchase Date; and

     (xi) the procedures the Holder must follow to require the Company to purchase its
Notes under Section 4.01.

     No failure of the Company to give the foregoing notices and no defect therein shall limit the
Holders’ repurchase rights or affect the validity of the proceedings for the repurchase of the
Notes pursuant to this Section 4.01.

     (c) A Fundamental Change Repurchase Notice may be withdrawn (in whole or in part) by a written
notice of withdrawal delivered to the Paying Agent at any time prior to the Close of Business on
the Business Day prior to the Fundamental Change Repurchase Date (the “Fundamental Change
Expiration Time”), specifying:

     (i) the principal amount of the withdrawn Notes;

     (ii) if Certificated Notes have been issued, the certificate numbers of the withdrawn
Notes; and

19

 

     (iii) the principal amount, if any, of such Note that remains subject to the original
Fundamental Change Repurchase Notice, which portion must be in principal amounts of $1,000
or a multiple of $1,000;

provided, however, that if the Notes are not in certificated form, the notice must comply with the
Applicable Procedures.

     (d) On or prior to 10:00 a.m., New York City time, on the Fundamental Change Repurchase Date,
the Company shall deposit with the Trustee (or other Paying Agent appointed by the Company or if
the Company is acting as its own Paying Agent, set aside, segregate and hold in trust as provided
in Section 7.05 of the Base Indenture) an amount of money sufficient to repurchase on the
Fundamental Change Repurchase Date all of the Notes to be repurchased on such date at the
Fundamental Change Repurchase Price. Subject to receipt of funds and/or Notes by the Trustee (or
other Paying Agent appointed by the Company), payment for Notes properly surrendered for repurchase
(and not withdrawn) prior to the Fundamental Change Expiration Time shall be made promptly on or
after the later of (x) the Fundamental Change Repurchase Date with respect to such Note (provided
the Holder has satisfied the conditions to the payment of the Fundamental Change Repurchase Price
in this Section 4.01), and (y) the time of book-entry transfer or the delivery of such Note to the
Trustee (or other Paying Agent appointed by the Company) by the Holder thereof in the manner
required by this Section 4.01 by mailing checks for the amount payable to the Holders of such Notes
entitled thereto as they shall appear in the Security Register; provided, however, that all
payments shall be subject to Section 4.01(a) and payments to the Depositary shall be made by wire
transfer of immediately available funds to the account of the Depositary or its nominee. The
Trustee shall, promptly after such payment and upon written demand by the Company, return to the
Company any funds in excess of the Fundamental Change Repurchase Price.

     (e) If the Trustee (or other Paying Agent appointed by the Company) holds money sufficient to
repurchase on the Fundamental Change Repurchase Date all the Notes or portions thereof that are to
be purchased on the Fundamental Change Repurchase Date, then: (i) such Notes shall cease to be
outstanding and interest shall cease to accrue on such Notes (whether or not book-entry transfer of
the Notes is made or whether or not the Note is delivered or transferred to the Paying Agent), and
(ii) all other rights of the Holders of such Notes shall terminate other than the right to receive
the Fundamental Change Repurchase Price and previously accrued and unpaid interest upon delivery or
transfer of the Notes.

     (f) No Notes may be repurchased at the option of Holders upon a Fundamental Change if there
has occurred and is continuing an Event of Default
other than an Event of Default that is cured by the payment of the Fundamental Change
Repurchase Price of the Notes.

20

 

     (g) In connection with any repurchase upon the occurrence of a Fundamental Change, to the
extent required by applicable law, the Company shall:

     (i) comply with the provisions of Rule 13e-4, Rule 14e-1 and any other tender offer
rules under the Exchange Act that may then be applicable; and

     (ii) otherwise comply with all federal and state securities laws as necessary to
effect a repurchase of Notes by the Company at the option of such Holder.

ARTICLE 5

Conversion of Notes

     Section 5.01. Right to Convert. Subject to and upon compliance with the procedures for
conversion set forth in this Article 5, a Holder shall have the right, at such Holder’s option, to
convert the principal amount of any such Notes, or any portion of such principal amount which is
$1,000 or a multiple thereof, into Common Stock at an initial conversion rate (the “Conversion
Rate”) equivalent to 25.2207 shares of Common Stock per $1,000 principal amount of Notes, subject
to adjustment as set forth in Section 5.05, (x) on or after May 15, 2016, without regard to the
conditions described in clauses (a) through (e) below , until the Close of Business on the Business
Day immediately preceding the Maturity Date and (y) prior to May 15, 2016, only upon the
satisfaction of any of the conditions described in clauses (a) through (e) below; provided that, in
the case of any conversion pursuant to this Article 5, the Holder must deliver a Conversion Notice
(as defined below) no later than the Close of Business on the third Business Day immediately
preceding the Maturity Date. The cash payable, and the number of shares of Common Stock issuable,
if any, upon conversion of a Note shall be determined as set forth in Section 5.03.

     (a) Conversion Based on Common Stock Price. A Holder may surrender all or a portion of its
Notes for conversion during any calendar quarter commencing after December 31, 2009, and only
during such calendar quarter, if the Last Reported Sale Price for the Common Stock for at least 20
Trading Days during the period of 30 consecutive Trading Days ending on the last Trading Day of the
immediately preceding calendar quarter is greater than 130% of the Conversion Price in effect on
such last Trading Day. Whenever the Notes shall become convertible pursuant to this Section
5.01(a), the Company shall notify all Holders, the Trustee and the Conversion Agent promptly in
writing.

     (b) Conversion Upon Satisfaction of Trading Price Condition. A Holder may surrender all or a
portion of its Notes for conversion during the five Business
Day period after any ten consecutive Trading Day period (the “Measurement Period”) in which
the Trading Price per $1,000 principal amount of Notes, as determined following a request by a
Holder in accordance with the procedures set

21

 

forth in this Section 5.01(b), for each day in the
Measurement Period was less than 98% of the product of the Last Reported Sale Price of the Common
Stock and the applicable Conversion Rate. In connection with any conversion upon satisfaction of
this Section 5.01(b), the Bid Solicitation Agent shall have no obligation to determine the Trading
Price of the Notes unless requested by the Company; and the Company shall have no obligation to
make such request unless a Holder provides the Company with reasonable evidence that the Trading
Price per $1,000 principal amount of Notes would be less than 98% of the product of the Last
Reported Sale Price of the Common Stock and the applicable Conversion Rate. Promptly after
receiving such evidence, the Company shall instruct the Bid Solicitation Agent to determine the
Trading Price of the Notes beginning on the next Trading Day and on each successive Trading Day
until the Trading Price per $1,000 principal amount of Notes is greater than or equal to 98% of the
product of the Last Reported Sale Price of the Common Stock and the applicable Conversion Rate.
Whenever the Notes shall become convertible pursuant to this Section 5.01(b), the Company shall
notify all Holders, the Trustee and the Conversion Agent promptly in writing.

     (c) Conversion Upon Specified Distributions to Holders of Common Stock or Specified Corporate
Transactions. If the Company elects to:

     (i) distribute to all or substantially all holders of its Common Stock rights
entitling them to purchase, for a period expiring within sixty (60) calendar days after
the date of the distribution, shares of the Common Stock at a price per share less than
the average Last Reported Sale Prices of the Common Stock over the ten (10) consecutive
Trading Day period ending on the Trading Day immediately preceding the declaration date
for such distribution; or

     (ii) distribute to all or substantially all holders of Common Stock the Company’s
assets, its debt securities or certain rights to purchase securities of the Company, which
distribution has a per share value as determined by the Board of Directors exceeding 15%
of the Last Reported Sale Price of the Common Stock on the Trading Day immediately
preceding the declaration date for such distribution,

then, in either case, the Company shall notify all Holders, the Trustee and the Conversion Agent in
writing at least thirty (30) Scheduled Trading Days prior to the Ex-Date for such distribution.
Once the Company has given such notice, a Holder may surrender its Notes for conversion at any time
until the earlier of the Close of Business on the Business Day immediately prior to such Ex- Date
for such distribution or the Company’s announcement that such distribution will not take place. A
Holder may not convert any of its Notes pursuant to this Section 5.01(c) if such Holder will
otherwise participate in the distribution without
conversion as a result of holding the Notes on a basis equivalent to a holder of a number of shares
of Common Stock equal to the principal amount of such Notes, divided by the applicable Conversion
Price.

22

 

     (d) Conversion Upon a Fundamental Change or a Make-Whole Fundamental Change.

     (i) In the event of a Fundamental Change or a Make-Whole Fundamental Change, a Holder
may surrender its Notes for conversion at any time beginning on the Business Day following
the effective date of such Fundamental Change or Make-Whole Fundamental Change until (a)
the Close of Business on the Business Day immediately preceding the Fundamental Change
Repurchase Date corresponding to such Fundamental Change or (b) the Close of Business on
the thirty-fifth (35th) Business Day after the effective date of the Make-Whole
Fundamental Change in the case of a Make-Whole Fundamental Change that is not a
Fundamental Change. The Company shall notify all Holders, the Trustee and the Conversion
Agent in writing of the anticipated occurrence of such a Fundamental Change or Make-Whole
Fundamental Change no later than five (5) Business Days prior to the anticipated effective
date of such Fundamental Change or Make-Whole Fundamental Change.

     (ii) If the Company is a party to a combination, merger, recapitalization,
reclassification, binding share exchange or other similar transaction or sale or
conveyance of all or substantially all of the Company’s property and assets, in each case
pursuant to which the Common Stock would be converted into cash, securities and/or other
property, that does not also constitute a Fundamental Change or a Make-Whole Fundamental
Change, Holders will have the right to convert their Notes at any time beginning on the
earlier of (i) the date upon which the Company notifies Holders, the Trustee and the
Conversion Agent in writing of such transaction and (ii) the effective date of such
transaction, and ending on the 35th Business Day immediately following the effective date
of such transaction.

     (e) Conversion Upon Redemption. If the Company calls any or all of the Notes for redemption,
Holders of the Notes will have the right to convert their Notes called for redemption until the
Close of Business on the Business Day preceding the Redemption Date, after which time Holders’
right to convert will expire unless the Company defaults in the payment of the Redemption Price.

     Section 5.02. Conversion Procedures. The following procedures shall apply to the conversion
of Notes:

     (a) In respect of Certificated Notes, a Holder must (i) complete and manually sign the
conversion notice attached to the Note (the “Conversion Notice”), or facsimile of such Conversion
Notice; (ii) deliver such Conversion
Notice, which is irrevocable, and the Note to the Conversion Agent at the office maintained by
the Conversion Agent; (iii) furnish endorsements and transfer documents as may be required by the
Conversion Agent and, if required pursuant to Section 5.08 below, pay all transfer or similar
taxes; and (iv) if required

23

 

pursuant to Section 5.03(c), pay funds equal to interest payable on the
next Interest Payment Date to which such Holder is not entitled.

     (b) In respect of a beneficial interest in a Global Note, a Beneficial owner must comply with
Applicable Procedures for converting a beneficial interest in a Global Note and, if required
pursuant to Section 5.03(c), pay funds equal to interest payable on the next Interest Payment Date
and all taxes or duties, if any.

     The date a Holder satisfies the foregoing requirements is the “Conversion Date” hereunder.

     If a Holder converts Notes, the Company will pay any documentary, stamp or similar issue or
transfer tax due on the issuance of any shares of Common Stock upon the conversion, unless the tax
is due because the Holder requests any shares to be issued in a name other than the Holder’s name,
in which case the Holder will pay that tax.

     No Conversion Notice with respect to any Notes may be tendered by a Holder thereof if such
Holder has also tendered a Fundamental Change Repurchase Notice and not validly withdrawn such
Fundamental Change Repurchase Notice in accordance with the applicable provisions of Section 4.01.

     Upon surrender of a Note that is converted in part, the Company shall execute, and the Trustee
or the Authenticating Agent shall authenticate and deliver to the Holder, a new Note in an
authorized denomination equal in principal amount to the unconverted portion of the Note
surrendered.

     Section 5.03. Settlement Upon Conversion.

     (a) Settlement Methods. Subject to Section 5.03(b), upon any conversion of any Note, the
Company shall deliver to converting Holders, in respect of each $1,000 principal amount of Notes
tendered for conversion:

     (i) on the third Trading Day immediately following the Conversion Date (or, if
earlier, on the Maturity Date), a number of shares of Common Stock equal to the Conversion
Rate on the relevant Conversion Date (plus cash in lieu of fractional shares if
applicable);

     (ii) on the third Trading Day immediately following the final Settlement Period
Trading Day of the applicable Settlement Period, cash in an amount equal to the Conversion
Value; or

     (iii) on the third Trading Day immediately following the final Settlement Period
Trading Day of the applicable Settlement Period:

     (A) the fixed dollar amount per $1,000 principal amount of the Notes of the
conversion obligation to be satisfied in

24

 

cash specified in the Consideration
Notice (which fixed dollar amount shall be $1,000 if the Company has made a Net
Share Settlement Election or if the Company fails to timely notify converting
Holders of the fixed dollar amount) or, if lower, the Conversion Value in cash
(the “Fixed Cash Amount”); and

     (B) a number of shares equal to the sum, for each of the Settlement Period
Trading Days in the relevant Settlement Period, of 1/25th of (a) the applicable
Conversion Rate on such Settlement Period Trading Day minus (b) the quotient of
(x) the Fixed Cash Amount divided by (y) the VWAP of the Common Stock on such
Settlement Period Trading Day (plus cash in lieu of fractional shares if
applicable).

The applicable settlement method for any particular conversion of Notes (pursuant to clause (i),
(ii) or (iii) above) shall be determined pursuant to Section 5.03(b).

     (b) Selection of Settlement Method.

     (i) Prior to the 30th Scheduled Trading Day preceding the Maturity Date, the Company
may elect to repay the Notes tendered for conversion pursuant to clause (i), (ii) or (iii)
of Section 5.03(a) (or, if the Company has made the Net Share Settlement Election on or
prior to the applicable Conversion Date, clause (iii) of Section 5.03(a)) by providing
written notice (a “Consideration Notice”) to the converting Holders through the Conversion
Agent (by requesting in writing that the Conversion Agent deliver the Consideration Notice
on behalf of the Company) of the applicable settlement method no later than the second
Scheduled Trading Day immediately following the related Conversion Date or by making the
Net Share Settlement Election. If the Company does not provide a Consideration Notice in
respect of a conversion and has not made the Net Share Settlement Election, the Company
will be presumed to have elected to settle conversion of the applicable Notes pursuant to
clause (iii) of Section 5.03(a).

     (ii) Prior to the 30th Scheduled Trading Day preceding the Maturity Date, if the
Company has not made the Net Share Settlement Election, the Company may deliver a one-time
Consideration Notice to the Holders, the Trustee, the Conversion Agent and the Paying
Agent designating the settlement method (clause (i), (ii) or (iii) of Section 5.03(a) or,
if the Company has made the Net Share Settlement Election, clause (iii)
of Section 5.03(a)) for all conversions that occur on or after the 30th
Scheduled Trading Day preceding such Maturity Date. If the Company has not delivered the
one-time Consideration Notice referred to in this Section 5.03(b) and has not made an
irrevocable Net Share Settlement

25

 

Election, conversion of the Notes will be settled in
accordance with clause (iii) of Section 5.03(a).

     (iii) At any time prior to the 30th Scheduled Trading Day preceding the Maturity
Date, the Company may deliver a one-time irrevocable notice to the Holders, the Trustee,
the Conversion Agent and the Paying Agent electing to settle all conversions of the Notes
from the date of such notice pursuant to clause (iii) of Section 5.03(a) (the “Net Share
Settlement Election”). Upon making the Net Share Settlement Election, the Company will
provide written notice to the Holders, the Trustee and the Conversion Agent in the manner
contemplated by the Indenture, including through the facilities of the Depositary. The
Company may irrevocably renounce the right to the Net Share Settlement Election by written
notice to the Holders, the Trustee and the Conversion Agent at any time prior to the
earlier of (i) the 30th Scheduled Trading Day preceding the Maturity Date and (ii) the
Company’s exercise of such right to the Net Share Settlement Election. Upon such
renunciation, the Company shall no longer have the right to the Net Share Settlement
Election with respect to the Notes, and any such attempted election shall have no effect.

     (iv) The Company will settle all conversions by Holders of Notes converting on the
same Trading Day in the same manner. Except for all conversions that occur on or after the
30th Scheduled Trading Day preceding the Maturity Date, the Company will have no
obligation to repay any Notes tendered for conversion on different Trading Days in the
same manner.

     (c) Payment of Interest Upon Conversion.

     (i) Upon conversion, Holders shall not receive any additional cash payment or shares
of Common Stock for accrued and unpaid interest, except as described in Section
5.03(c)(ii). Upon conversion, accrued and unpaid interest to the Conversion Date is
deemed to be paid in full rather than cancelled, extinguished or forfeited.

     (ii) If any Note is converted after the Close of Business on a Regular Record Date
for an Interest Payment Date but prior to the corresponding Interest Payment Date, Holders
of record of such Note at the Close of Business on such Regular Record Date will receive
on the corresponding Interest Payment Date the interest accrued and unpaid on such Notes,
notwithstanding the conversion prior to the Interest Payment Date. Notes surrendered for
conversion during the period from the Close
of Business on any Regular Record Date to the Open of Business on the immediately
following Interest Payment Date must be accompanied by funds equal to the amount of
interest payable on such Interest Payment

26

 

Date for the Notes so converted; provided that
no such payment need be made:

     (A) for conversions after the Close of Business on the Regular Record Date
for the Maturity Date;

     (B) if the Company has specified a Fundamental Change Repurchase Date that
is after a Regular Record Date and prior to the corresponding Interest Payment
Date;

     (C) if the Company has specified a Redemption Date that is after a Regular
Record Date and prior to the corresponding Interest Payment Date; or

     (D) to the extent of any overdue interest, if any overdue interest exists
at the time of conversion with respect to such Note.

     (d) Cash Payments in Lieu of Fractional Shares. The Company shall not issue fractional shares
upon conversion of the Notes. If multiple Notes shall be surrendered for conversion at one time by
the same Holder, the number of full shares which shall be issuable upon conversion (and the number
of fractional shares, if any, for which cash shall be delivered) shall be computed on the basis of
the aggregate principal amount of the Notes (or specified portions thereof to the extent permitted
hereby) so surrendered. If any fractional share would be issuable upon the conversion of any
Notes, the Company shall make payment an amount in cash for the current market value of the
fractional shares. The current market value of a fractional share shall be determined (calculated
to the nearest 1/10,000th of a share) by multiplying the daily VWAP of a full share of Common Stock
on (i) the final Settlement Period Trading Day of the related Settlement Period in the case of
conversions pursuant to clause (ii) or (iii) of
Section 5.03(a) and (ii) the Conversion Date, in
the case of conversions pursuant to clause (i) of
Section 5.03(a), in each case, by the fractional
amount and rounding the product to the nearest whole cent.

     Section 5.04. Exchange in Lieu of Conversion.

     (a) If at any time when a Holder surrenders Notes for conversion, the Company:

     (i) has designated a financial institution, which shall be a direct or indirect
Depositary participant (a “Designated Institution”), to accept such Notes in exchange for
cash and shares of Common Stock, if any, equal to the consideration due upon conversion as
provided in Section 5.03; and

27

 

     (ii) notifies the Holder surrendering such Notes for conversion, the Trustee and the
Conversion Agent by the Close of Business on the second Business Day after the applicable
Conversion Date, that it has directed the Designated Institution to make an exchange in
lieu of conversion,

     then, notwithstanding anything in the Indenture to the contrary, on or prior to the second
Business Day following the Conversion Date, the Company may direct the Conversion Agent in writing
to surrender such Notes to the Designated Institution for exchange in lieu of conversion.

     (b) If the Designated Institution accepts any Notes surrendered for exchange, it shall deliver
cash and shares of Common Stock, if any, or a combination of cash and shares of Common Stock to the
Conversion Agent and the Conversion Agent will deliver such cash and/or shares of Common Stock, as
the case may be, to such Holder in accordance with the provisions of
Section 5.03. Any Notes so
exchanged by such Designated Institution shall remain outstanding for all purposes under the
Indenture.

     (c) If the Designated Institution agrees to accept any Notes for exchange but does not timely
deliver the related consideration to the Conversion Agent, or if the Designated Institution does
not accept such Notes for exchange, the Company shall as soon as practicable convert such Notes
into cash and shares of Common Stock, if any, in accordance with the provisions of Section 5.02
and 5.03.

     For the avoidance of doubt, in no event will the Company’s designation of a financial
institution pursuant to this Section 5.04 require such financial institution to accept any Notes
for exchange. The Company will not pay any consideration to, or otherwise enter into any agreement
with, the Designated Institution for or with respect to such designation.

     Section 5.05. Adjustment of Conversion Rate. The Conversion Rate shall be adjusted from time
to time by the Company if any of the following events occurs as described below, except that the
Company will not make any adjustment to the Conversion Rate if Holders may participate in the
transaction as a result of holding the Notes, without having to convert their Notes, on a basis
equivalent to a holder of a number of shares of Common Stock equal to the principal amount of Notes
held divided by the applicable Conversion Price. This exception will not apply to any adjustment
to Conversion Rate upon conversion upon a Make-Whole Fundamental Change as described in Section
5.07. In no event will the Company adjust the Conversion Rate to the extent that the adjustment
would reduce the Conversion Price below the par value per share of Common Stock.

     (a) If the Company issues shares of Common Stock as a dividend or distribution on shares of
Common Stock, or the Company effects a share split or

28

 

share combination of Common Stock, the
Conversion Rate will be adjusted based on the following formula:

     where,

	 	 	 	 	 
	CR0

	 	=
	 	the Conversion Rate in effect immediately prior to the Open of Business
on the Ex-Date of such dividend or distribution, or immediately prior to the Open of
Business on the Effective Date of such share split or share combination, as
applicable;
	 
	CR1

	 	=
	 	the Conversion Rate in effect immediately after the Open of Business on
such Ex-Date or immediately after the Open of Business on such Effective Date, as
applicable;
	 
	OS0

	 	=
	 	the number of shares of Common Stock outstanding immediately prior to the
Open of Business on such Ex-Date or immediately prior to the Open of Business on such
Effective Date, as applicable; and
	 
	OS1

	 	=
	 	the number of the shares of Common Stock outstanding immediately after
giving effect to such dividend, distribution, share split or share combination.

Any
adjustment made under this Section 5.05(a) shall become effective (x) immediately after the
Open of Business on the Ex-Date for such dividend or distribution, or (y) the Effective Date for
such share split or share combination. If any dividend or distribution of the type described in
this Section 5.05(a) is declared but is not so paid or made, the Conversion Rate shall be
immediately readjusted, effective as of the date the Company’s Board of Directors determines not to
pay such dividend or distribution, to the Conversion Rate that would then be in effect if such
dividend, distribution, share split or share combination had not been declared or announced.

     (b) If the Company distributes to all or substantially all holders of Common Stock any rights,
options or warrants (other than pursuant to a stockholder rights plan adopted by the Company)
entitling such holders for a period of not more than 60 calendar days to subscribe for or purchase
shares of Common Stock at a price per share less than the Current Market Price of Common Stock, the
Conversion Rate will be adjusted based on the following formula:

29

 

     where

	 	 	 	 	 
	CR0

	 	=
	 	the Conversion Rate in effect immediately prior to the Open of Business
on the Ex-Date for such issuance;
	 
	 	 	 	 
	CR1

	 	=
	 	the Conversion Rate in effect immediately after the Open of Business on
such Ex-Date;
	 
	 	 	 	 
	OS0

	 	=
	 	the number of shares of Common Stock outstanding immediately prior to the
Open of Business on such Ex-Date;
	 
	 	 	 	 
	X

	 	=
	 	the total number of shares of Common Stock issuable pursuant to such
rights, options or warrants; and
	 
	 	 	 	 
	Y

	 	=
	 	the number of shares of Common Stock equal to the aggregate price payable
to exercise such rights or warrants divided by the Current Market Price.

Any
adjustment made pursuant to this Section 5.05(b) shall be made successively whenever any such
rights, options or warrants are distributed and shall become effective immediately after the Open
of Business on the Ex-Date for such distribution. If such rights, options or warrants described in
this Section 5.05(b) are not so distributed, the Conversion Rate shall be readjusted to the
Conversion Rate that would then be in effect if such Ex-Date for such distribution had not
occurred. To the extent that such rights, options or warrants are not exercised prior to their
expiration or shares of Common Stock are otherwise not delivered pursuant to such rights, options
or warrants upon the exercise of such rights, options or warrants, the Conversion Rate shall be
readjusted to the Conversion Rate that would then be in effect had the adjustments made upon the
issuance of such rights, options or warrants been made on the basis of delivery of only the number
of shares of Common Stock actually delivered.

     For purposes of this clause (b), in determining whether the aggregate price payable for shares
of such Common Stock, there shall be taken into account any consideration received by the Company
for such rights, options or warrants and the value of such consideration, if other than cash, to be
determined by the Company’s Board of Directors.

     (c) If the Company distributes shares of its Capital Stock, evidences of its indebtedness,
other assets or property of the Company or rights, options or warrants to acquire the Company’s
Capital Stock or other securities, to all or substantially all holders of Common Stock, excluding:

     (i)
any dividends or distributions referred to in Section 5.05(a) or
Section 5.05(e);

30

 

     (ii)
any rights, options or warrants referred to in Section 5.05(b);

     (iii) except as otherwise described below, rights issued pursuant to the Company’s
stockholder rights plan, or the detachment of such rights under the terms of such rights
plan;

     (iv)
any dividends or distributions referred to in Section 5.05(d);

     (v) any dividends or distributions in connection with a Merger Event resulting in a
change in the conversion consideration pursuant to Section 5.05(m); and

     (vi)
any Spin-Off to which the provisions set forth in this
Section 5.05(c) shall
apply;

then the Conversion Rate will be adjusted based on the following formula:

     where,

	 	 	 	 	 
	CR0

	 	=
	 	the Conversion Rate in effect immediately prior to the Open of Business
on the Ex-Date for such distribution;
	 
	 	 	 	 
	CR1

	 	=
	 	the Conversion Rate in effect immediately after the Open of Business on
such Ex-Date;
	 
	 	 	 	 
	SP0

	 	=
	 	the Current Market Price; and
	 
	 	 	 	 
	FMV

	 	=
	 	the fair market value (as determined by the Company’s Board of Directors)
on the Ex-Date for such distribution of the shares of Capital Stock, evidences of
indebtedness, or other assets or property of the Company so distributed, expressed as
an amount per share of Common Stock.

     With respect to an adjustment pursuant to this Section 5.05(c) where there has been a payment
of a dividend or other distribution on Common Stock of any class or series of, or similar equity
interest in, a Subsidiary or other business unit of the Company (a “Spin-Off”), that are, or, when
issued, will be, quoted or listed on any securities exchange or other market, the Conversion Rate
will instead be adjusted based on the following formula:

31

 

     where,

	 	 	 	 	 
	CR0

	 	=
	 	the Conversion Rate in effect immediately prior to the Close of Business
on the last Trading Day of the Valuation Period (as defined below);
	 
	 	 	 	 
	CR1

	 	=
	 	the Conversion Rate in effect immediately after the Close of Business or
the last Trading Day of the Valuation Period;
	 
	 	 	 	 
	FMV0

	 	=
	 	the average of the Last Reported Sale Prices of the Capital Stock or
similar equity interest distributed to holders of Common Stock applicable to one
share of Common Stock over the first ten consecutive Trading-Day period commencing
on, and including, the Ex-Date of the Spin-Off (the “Valuation Period”); and
	 
	 	 	 	 
	MP0

	 	=
	 	the average of the Last Reported Sale Prices of the Common Stock over the
Valuation Period.

     The adjustment to the Conversion Rate under the preceding paragraph shall occur at the Close
of Business on the last day of the Valuation Period, but will be given effect as of the Open of
Business on the Ex-Date for the Spin-Off; provided that in respect of any conversion during the
Valuation Period, references within this clause (c) to 10 Trading Days shall be deemed replaced
with such lesser number of Trading Days as have elapsed between the Ex-Date of such Spin-Off and
the Conversion Date in determining the applicable Conversion Rate.

     (d) If the Company pays any cash dividend or distribution to all or substantially all holders
of Common Stock, the Conversion Rate will be adjusted based on the following formula:

     where,

	 	 	 	 	 
	CR0

	 	=
	 	the Conversion Rate in effect immediately prior to the Open of Business
on the Ex-Date for such dividend or distribution;
	 
	 	 	 	 
	CR1

	 	=
	 	the Conversion Rate in effect immediately after the Open of Business on
the Ex-Date for such dividend or distribution;
	 
	 	 	 	 
	SP0

	 	=
	 	the Current Market Price; and

32

 

	 	 	 	 	 
	C

	 	=
	 	the amount in cash per share the Company distributes to holders of Common
Stock.

     (e) If the Company or any Subsidiary of the Company makes a payment in respect of a tender
offer or exchange offer for Common Stock subject to the tender offer rules, to the extent that the
cash and value of any other consideration included in the payment per share of Common Stock exceeds
the Last Reported Sale Price of the Common Stock on the Trading Day immediately succeeding the last
date (the “Expiration Date”) on which tenders or exchanges may be made pursuant to such tender or
exchange offer, the Conversion Rate will be adjusted based on the following formula:

     where,

	 	 	 	 	 
	CR0

	 	=
	 	the Conversion Rate in effect immediately prior to the Close of Business
on the Expiration Date;
	 
	 	 	 	 
	CR1

	 	=
	 	the Conversion Rate in effect immediately after the Expiration Date;
	 
	 	 	 	 
	FMV

	 	=
	 	the fair market value (as determined by the Company’s Board of
Directors), on the Expiration Date, of the aggregate value of all cash and any other
consideration paid or payable for shares of Common Stock validly tendered or
exchanged and not withdrawn as of the Expiration Date;
	 
	 	 	 	 
	OS0

	 	=
	 	the number of shares of Common Stock outstanding immediately prior to the
last time tenders or exchanges may be made pursuant to such tender offer or exchange
offer (the “Expiration Time”);
	 
	 	 	 	 
	OS1

	 	=
	 	the number of shares of Common Stock outstanding immediately after the
Expiration Time (after giving effect to the purchase of all shares of Common Stock
accepted for purchase exchange in such tender or exchange offer); and
	 
	 	 	 	 
	SP1

	 	=
	 	the average of the Last Reported Sale Prices of Common Stock over the 10
consecutive Trading-Day period commencing on, and including, the Trading Day
immediately following the Expiration Date.

     Any adjustment made pursuant to this clause (e) shall become effective immediately prior to
the Open of Business on the Trading Day immediately following the Expiration Date; provided that in
respect of any conversion within

33

 

10 Trading Days immediately following, and including, the expiration date of any tender or
exchange offer, references with respect to 10 Trading Days shall be deemed replaced with such
lesser number of Trading Days as have elapsed between the expiration date of such tender or
exchange offer and the Conversion Date in determining the applicable Conversion Rate.

     In the event that the Company or one of its Subsidiaries is obligated to purchase shares of
Common Stock pursuant to any such tender offer or exchange offer, but the Company, or any such
Subsidiary, is permanently prevented by applicable law from effecting any such purchases, or all
such purchases are rescinded, then the Conversion Rate shall be adjusted to be the Conversion Rate
which would then be in effect if such tender offer or exchange offer had not been made. Except as
set forth in the preceding sentence, if the application of the
formula in this Section 5.05(e) to
any tender offer or exchange offer would result in a decrease in the Conversion Rate, no adjustment
shall be made for such tender offer or exchange offer under this
Section 5.05(e).

     (f) If:

     (i)
any distribution or transaction described in Section 5.05(a), (b), (c), (d) or
(e) above has not yet resulted in an adjustment to the applicable Conversion Rate on the
Trading Day in question, and

     (ii) the shares that the Holder will receive on settlement are not entitled to
participate in the relevant distribution or transaction (because they were not held on a
related record date or otherwise),

then promptly after such distribution or transaction has occurred, the Company will adjust the
number of shares of Common Stock that it delivers to the Holder as it determines is appropriate to
reflect the relevant distribution or transaction. In addition, if a Conversion Rate adjustment
becomes effective on any Ex-Date as described above, and a Holder that has converted its Notes
would become the record Holder of shares of Common Stock as of the related Conversion Date pursuant
to Section 5.03 based on an adjusted Conversion Rate for such Ex-Date, then, notwithstanding the
Conversion Rate adjustment provisions above, the Conversion Rate adjustment relating to such
Ex-Date will not be made for such converting Holder. Instead, such Holder will be deemed to be the
record owner of shares of on un-adjusted basis and participate in the related dividend,
distribution or other event giving rise to such adjustment or, if no holders of Common Stock
affirmatively make such election, the types and amounts of consideration actually received by such
holders.

     (g) To the extent that the Company has a stockholder rights plan in effect upon conversion of
the Notes into Common Stock, Holders of Notes will receive, in addition to Common Stock, the rights
under the stockholder rights plan,
unless prior to any conversion, the rights have separated from the Common Stock, in which case
the Conversion Rate will be adjusted at the time of separation as if

34

 

the Company distributed to all
Holders its Common stock, shares of its Capital Stock, evidences of indebtedness or assets as
described in clause Section 5.05(c) above, subject to readjustment in the event of the expiration,
termination or redemption of such rights. Any distribution of rights or warrants pursuant to a
rights plan that would allow Holders to receive upon conversion, in addition to any shares of
Common Stock, the right or warrants described therein with respect to such Common Stock (unless
such rights or warrants have separated from the Common Stock) shall not constitute a distribution
of rights or warrants that would entitle Holders to an adjustment of the Conversion Rate.

     (h) For
purposes of Sections 5.05(c) and 5.05(d), except with respect to a Spin-Off, in cases
where the fair market value of assets, debt securities or certain rights, warrants or options to
purchase the Company’s securities, or the amount of the cash dividend or distribution applicable to
one share of Common Stock, distributed to all or substantially all shareholders:

     (i) equals or exceeds the average of the Last Reported Sale Prices of Common Stock
over the relevant consecutive Trading-Day period ending on the Trading Day immediately
preceding the Ex-Date for such distribution; or

     (ii) such average Last Reported Sale Price exceeds the fair market value of such
assets, debt securities or rights, warrants or options or the amount of cash so
distributed by less than $1.00,

rather than being entitled to an adjustment in the Conversion Rate, the Holder of a Note will be
entitled to receive upon conversion, in addition to shares of Common Stock, cash or a combination
of cash and shares of Common Stock, the kind and amount of assets, debt securities or rights,
warrants or options comprising the distribution, if any, that such Holder would have received if
such Holder had held a number of shares of Common Stock equal to the principal amount of the Notes
held divided by the Conversion Price in effect immediately prior to the Ex-Date for determining the
shareholders entitled to receive the distribution; provided that if the Company’s Board of
Directors determines fair market value for purposes of any such adjustment by reference to the
actual or when issued trading market for any securities, it must in doing so consider the prices in
such market over the same period used in computing Current Market Price.

     (i) Except as described herein, the Company will not adjust the Conversion Rate for the
issuance of shares of the Common Stock, including in connection with satisfaction of the Company’s
conversion obligation in a combination of cash and shares of Common Stock, or any securities
convertible into or exchangeable for shares of Common Stock or the right to purchase shares of
Common Stock or such convertible or exchangeable securities. In addition, the Conversion Rate will
not be adjusted:

35

 

     (i) upon the issuance of any shares of Common Stock pursuant to any present or future
plan providing for the reinvestment of dividends or interest payable on securities of the
Company and the investment of additional optional amounts in shares of Common Stock under
any plan;

     (ii) upon the issuance of any shares of Common Stock or options or rights to purchase
those shares pursuant to any present or future employee, director or consultant benefit
plan or program of the Company’s, or assumed by the Company, or any of its Subsidiaries;

     (iii) upon the issuance of any shares of Common Stock pursuant to any option,
warrant, right or exercisable, exchangeable or convertible security not described in the
preceding clause (ii) and outstanding as of the date the Notes were first issued;

     (iv) for a change in the par value of Common Stock; or

     (v) for accrued and unpaid interest on the Notes, if any.

     (j) The Company is permitted, to the extent permitted by law and the rules of The NASDAQ
Global Market or any other securities exchange on which the Common Stock is then listed, to
increase the Conversion Rate of the Notes by any amount for a period of at least 20 Business Days
if the Company’s Board of Directors determines that such increase would be in the Company’s best
interest. The Company may also (but is not required to) increase the Conversion Rate to avoid or
diminish income tax to holders of Common Stock or rights to purchase shares of Common Stock in
connection with a dividend or distribution of shares of Common Stock (or rights to acquire shares
of Common Stock) or similar event.

     (k) The Company shall not take any voluntary action that would result in an adjustment
pursuant to any of the provisions in this Section 5.05 without complying, if applicable, with the
stockholder approval rules of the NASDAQ Global Stock Market (including NASDAQ Market Rule 5635,
which requires stockholder approval of certain issuances of Common Stock) or any similar rule of
any other stock exchange on which Common Stock is listed at the relevant time.

     (l) Adjustments to the applicable Conversion Rate shall be calculated to the nearest one
ten-thousandth (1/10,000th) of a share. The Company will not be required to make an adjustment in
the Conversion Rate unless such adjustment would require a change of at least 1% in the applicable
Conversion Rate. However, the Company will carry forward any adjustments that are less than 1% of
the Conversion Rate and make such carried-forward adjustments on each Conversion Date, and each
Settlement Period Trading Day with respect to any Conversion Date, for any Notes.

     (m) In the event (a “Merger Event”) of:

36

 

     (i) any reclassification of the Common Stock;

     (ii) any Fundamental Change described in clause (2) of the definition thereof;

     (iii) a share exchange, consolidation, or merger involving the Company; or

     (iv) a conveyance, transfer, sale, lease or other disposition to another person of
all or substantially all of the Company’s assets,

in which holders of Common Stock received cash, securities or other property (the “Reference
Property”) in exchange for their shares of Common Stock, the Notes will become convertible based on
the type and amount of consideration that the Holders of a number of shares of Common Stock equal
to the principal amount of the Notes divided by the Conversion Price would have received in such
reclassification, share exchange, consolidation, merger, conveyance, transfer, sale, lease or other
disposition. For purposes of the foregoing, the type and amount of consideration that a holder of
Common Stock received in the case of reclassifications, share exchanges, consolidations, mergers,
conveyances, transfers, sales, leases or other dispositions that cause Common Stock to be exchanged
for more than a single type of consideration (determined based in part upon any form of shareholder
election) will be deemed to be the weighted average of the types and amounts of consideration
received by holders of Common Stock that affirmatively made such an election.

     Section 5.06. Adjustments of Prices. Whenever any provision of the Indenture requires the
Company to calculate a number of shares of Common Stock equal to a sum or an average of the Last
Reported Sale Price over multiple days, the Company will make appropriate adjustments to account
for any adjustment to the Conversion Rate that becomes effective, or any event requiring an
adjustment to the Conversion Rate where the Ex-Date of the event occurs, at any time during the
period from which the sum or average is to be calculated.

     Section 5.07. Adjustment to Conversion Rate Upon Conversion Upon Make-Whole Fundamental
Changes

     (a) If a Make-Whole Fundamental Change occurs and a Holder elects to convert its Notes at any
time during the period beginning on the Business Day following the effective date of such
Make-Whole Fundamental Change, the Company shall increase the Conversion Rate for the Notes so
surrendered for conversion by a number of additional shares of Common Stock (the “Additional
Shares”) as described below. A conversion of Notes shall be deemed for these purposes to be “in
connection with” such Make-Whole Fundamental Change only if such Notes are surrendered for
conversion at a time when the Notes would be convertible in light of the occurrence of a Make-Whole
Fundamental Change and

37

 

notwithstanding the fact that a Note otherwise may then be convertible under
Section 5.01.

     (b) The number of Additional Shares by which the Conversion Rate will be increased shall be
determined by reference to the table attached as Schedule A hereto, based on the date on
which the Make-Whole Fundamental Change occurs or becomes effective (the “Make-Whole Reference
Date”) and the price (the “Stock Price”) paid per share of Common Stock in the Make-Whole
Fundamental Change. If holders of Common Stock receive only cash in a Make-Whole Fundamental
Change, the Stock Price shall be the cash amount paid per share. Otherwise, the Stock Price shall
be the average of the Last Reported Sale Prices of the Common Stock over the five consecutive
Trading Day period ending on, and including, the Trading Day preceding the relevant Make-Whole
Reference Date.

     (c) The Stock Prices set forth in the column headings of the table in Schedule A
hereto shall be adjusted as of any date on which the Conversion Rate of the Notes is otherwise
adjusted. The adjusted Stock Prices shall equal the Stock Prices immediately prior to such
adjustment, multiplied by a fraction, the numerator of which is the Conversion Rate immediately
prior to the adjustment giving rise to the Stock Price adjustment and the denominator of which is
the Conversion Rate as so adjusted. The number of Additional Shares set forth in Schedule A
shall be adjusted in the same manner as the Conversion Rate as set
forth in Section 5.05.

     (d) If either of the exact Stock Price or the Make-Whole Reference Date is not be set forth in
the table in Schedule A:

     (i) If the Stock Price is between two adjacent Stock Price amounts in the table or
the Make-Whole Reference Date is between two adjacent Make-Whole Reference Dates in the
table, the number of Additional Shares by which the Conversion Rate will be increased will
be determined by a straight-line interpolation between the number of Additional Shares set
forth for the higher and lower Stock Price amounts and the two dates, as applicable, based
on a 365-day year.

     (ii) If the Stock Price is greater than $200.00 per share (subject to adjustment in
the same manner as the Stock Prices as set forth in the column headings of the table in
Schedule A), no Additional Shares will be added to the Conversion Rate.

     (iii) If the Stock Price is less than $30.50 per share (subject to adjustment in the
same manner as the Stock Prices as set forth in the column headings of the table in
Schedule A), no Additional Shares will be added to the Conversion Rate.

38

 

     Notwithstanding the foregoing, in no event shall the Conversion Rate exceed 32.7869 per $1,000
principal amount of Notes, subject to adjustments in the same manner as the Conversion Rate as set
forth in Section 5.05.

     (e) If a Holder of Notes elects to convert its Notes prior to the effective date of any
Fundamental Change, such Holder shall not be entitled to an increased Conversion Rate in connection
with such conversion.

     (f) Any conversion that entitles the converting Holder to an increase in the Conversion Rate
as described in this Section 5.07 shall be settled as described
under Section 5.03.

     (g) The Company will notify Holders, the Trustee and the Conversion Agent in writing of the
effective date of any Make-Whole Fundamental Change no later than 20 days after such effective
date.

     Section 5.08. Taxes on Shares Issued. Any issue of share certificates on conversion of any
Notes shall be made without charge to the converting Holder for any documentary, transfer, stamp or
any similar tax in respect of the issue thereof, and the Company shall pay any and all documentary,
stamp or similar issue or transfer taxes that may be payable in respect of the issue or delivery of
shares of Common Stock on conversion of Notes pursuant hereto. The Company shall not, however, be
required to pay any such tax which may be payable in respect of any transfer involved in the issue
and delivery of shares in any name other than that of the Holder of any Notes converted, and the
Company shall not be required to issue or deliver any such share certificate unless and until the
Person or Persons requesting the issue thereof shall have paid to the Company the amount of such
tax or shall have established to the satisfaction of the Company that such tax has been paid.

     Section 5.09. Reservation of Shares; Shares to be Fully Paid; Compliance with Governmental
Requirements. The Company shall provide, free from preemptive rights, out of its authorized but
unissued shares or shares held in treasury, sufficient Common Stock to provide for the conversion
of the Notes from time to time as such Notes are presented for conversion.

     The Company covenants that all shares of Common Stock that may be issued upon conversion of
Notes shall be newly issued shares or treasury shares, shall be duly authorized, validly issued,
fully paid and non-assessable and shall be free from preemptive rights and free from any lien or
adverse claim.

     The Company shall use its reasonable efforts to list or cause to have quoted any shares of
Common Stock to be issued upon conversion of Notes on each national securities exchange or
over-the-counter or other domestic market on which the Common Stock is then listed or quoted.

39

 

     Section 5.10. Responsibility of Trustee. The Trustee and any other Conversion Agent shall
not at any time be under any duty or responsibility to any Holder to determine the Conversion Rate
or whether any facts exist which may require any adjustment of the Conversion Rate, or with respect
to the nature or extent or calculation of any such adjustment when made, or with respect to the
method employed, or herein or in any supplemental indenture provided to be employed, in making
the same. The Trustee and any other Conversion Agent shall not be accountable with respect to the
validity or value (or the kind or amount) of any Common Stock, or of any securities or property,
which may at any time be issued or delivered upon the conversion of any Notes; and the Trustee and
any other Conversion Agent make no representations with respect thereto. Neither the Trustee nor
any Conversion Agent shall be responsible for any failure of the Company to issue, transfer or
deliver any Common Stock or share certificates or other securities or property or cash upon the
surrender of any Notes for the purpose of conversion or to comply with any of the duties,
responsibilities or covenants of the Company contained in this Article 5.

     Section 5.11. Stockholder Rights Plan. Each share of Common Stock issued upon conversion of
Notes pursuant to this Article 5 shall be entitled to receive the appropriate number of rights, if
any, and the certificates representing the shares of Common Stock issued upon such conversion shall
bear such legends, if any, in each case as may be provided by the terms of any subsequent
stockholder rights agreement adopted by the Company, as any such agreement may be amended from time
to time. Notwithstanding the foregoing, if prior to any conversion such rights have separated from
the shares of Common Stock in accordance with the provisions of the applicable stockholder rights
agreement, the Conversion Rate shall be adjusted at the time of separation as if the Company had
distributed to all holders of Common Stock, shares of the Company’s Capital Stock, evidences of
indebtedness, assets, property, rights or warrants as described in
Section 5.05(c) above, subject
to readjustment in the event of the expiration, termination or redemption of such rights. Any
distribution of rights or warrants pursuant to a rights plan that would allow a Holder to receive
upon conversion, in addition to shares of Common Stock, the rights described therein with respect
to such Common Stock (unless such rights or warrants have separated from the Common Stock) shall
not constitute a distribution of rights or warrants that would entitle the Holder to an adjustment
to the Conversion Rate.

     Section 5.12. Company Determination Final. Any determination that the Company or its Board
of Directors must make pursuant to this Article 5 shall be conclusive if made in good faith, absent
manifest error. Whenever the Conversion Rate is adjusted as herein provided, the Company shall
promptly file with the Trustee and any Conversion Agent an Officers’ Certificate setting forth the
Conversion Rate after such adjustment and setting forth a brief statement of the facts requiring
such adjustment. Unless and until a Responsible Officer of the Trustee shall have received such
Officers’ Certificate, the Trustee shall not be deemed to have knowledge of any adjustment of the
Conversion Rate and may

40

 

assume without inquiry that the last Conversion Rate of which it has
knowledge is still in effect.

ARTICLE 6

Redemption

     Section 6.01. Optional Redemption.

     (a) Pursuant to Section 3.01 of the Base Indenture, the Notes are redeemable on the terms and
subject to the conditions set forth in this Article 6.

     (b) Sections 3.02, 3.03, 3.04, 3.05 and 3.06 of the Base Indenture shall not apply to the
Notes. No sinking fund is provided for the Notes and the Notes will not be subject to defeasance.

     Section 6.02. Right to Redeem; Notices to Trustee.

     (a) The Notes are not redeemable by the Company prior to August 20, 2013. On or after August
20, 2013, the Notes may be redeemed in whole or in part at the option of the Company if the Last
Reported Sale Price of the Common Stock has been greater than or equal to 130% of the applicable
Conversion Price then in effect for at least 20 Trading Days during any 30 consecutive Trading Day
period ending on the Trading Day immediately prior to the date on which the Company provides Notice
of Redemption.

     (b) The redemption price at which the Notes are redeemable (the “Redemption Price”) shall be
equal to the sum of (i) 100% of the principal amount of the Notes to be redeemed, plus (ii) accrued
and unpaid interest, if any, to, but excluding, the Redemption Date, plus (iii) the Make-Whole
Premium; provided, however, that if the Redemption Date is after a Regular Record Date and prior to
the Interest Payment Date to which it relates, then the accrued and unpaid interest, if any, to,
but excluding, the Redemption Date, shall be paid on such Interest Payment Date to the Holders of
record of such Notes on the applicable Regular Record Date instead of the Holders surrendering such
Notes for redemption on the Redemption Date (and in this circumstance, the Make-Whole Premium shall
be calculated based on the present values of the remaining scheduled payments of interest on such
Notes, starting with the next Interest Payment Date for which interest has not been provided for
herein). The Trustee shall have no duty to determine or calculate the Make-Whole Premium, which
shall be determined by the Company in accordance with the provisions of the Indenture, and the
Trustee shall not be under any responsibility to determine the correctness of any such
determination and/or calculation and may conclusively rely on the correctness thereof.

     (c) Upon any redemption in accordance with this Article 6, the Company shall pay the
Make-Whole Premium with respect to the Notes called for

41

 

redemption to Holders, at its option, in
cash, shares of Common Stock or a combination of cash and shares of Common Stock and shall specify
the type of consideration for the Make-Whole Premium (and, if a combination, will specify the
dollar amount of the Make-Whole Premium to be paid in cash) in the Notice
of Redemption sent by the Company pursuant to Section 6.04. If the Company does not specify
the type of consideration for the Make-Whole Premium in such Notice of Redemption, the Company
shall pay the Make-Whole Premium entirely in cash.

     The Company may elect to pay the Make-Whole Premium or any portion thereof, subject to the
fulfillment by the Company of the conditions set forth in
Section 6.02(h), by delivering the number
of shares of Common Stock equal to (i) the amount of the Make-Whole Premium (or such lesser portion
thereof that the Company elects to pay in shares of Common Stock if the Company pays the Make-Whole
Premium in a combination of cash and shares of Common Stock) divided by (ii) the product of (x) the
average of the Last Reported Sale Price of Common Stock for the five consecutive Trading Days
immediately preceding and including the third Trading Day prior to the Redemption Date and (y)
97.5%.

     (d) The Company shall pay the Make-Whole Premium on all Notes called for redemption on or
after August 20, 2013 and prior to August 15, 2016, including any Notes converted into Common Stock
pursuant to the terms of the Indenture after the date of the Notice of Redemption sent pursuant to
Section 6.04 of the Indenture and prior to such Redemption Date.

     (e) Any issuance of shares of Common Stock in respect of the Make-Whole Premium shall be
deemed to have been effected immediately prior to the Close of Business on the Redemption Date and
the Person or Persons in whose name or names any stock certificate or stock certificates
representing shares of Common Stock shall be issuable upon such redemption shall be deemed to have
become on the Redemption Date the holder or holders of record of the shares represented thereby;
provided, however, that any surrender for redemption on a date when the stock transfer books of the
Company shall be closed shall constitute the Person or Persons in whose name or names the stock
certificate or stock certificates representing such shares are to be issued as the holder or
holders of record of the shares represented thereby for all purposes at the Open of Business on the
next succeeding day on which such stock transfer books are open. No payment or adjustment shall be
made for dividends or distributions on any Common Stock declared prior to the Redemption Date.

     A Holder receiving shares of Common Stock in respect of the Make-Whole Premium shall not be
entitled to any rights as a holder of Common Stock, including, among other things, the right to
vote and receive dividends and notices of stockholder meetings, until the Close of Business on the
Redemption Date.

     (f) The Company will not issue a fractional share of Common Stock upon payment of the
Make-Whole Premium. Instead, the Company shall pay

42

 

cash in lieu of fractional shares based on the
Last Reported Sale Price of Common Stock on the Trading Day prior to the applicable Conversion
Date.

     (g) Any issuance and delivery of stock certificates representing shares of Common Stock on
payment of the Make-Whole Premium shall be made without charge to the Holder of Notes being
redeemed or for any tax or duty in respect of the issuance or delivery of such stock certificates
or the Notes represented thereby; provided, however, that the Company shall not be required to pay
any tax or duty which may be payable in respect of any transfer involved in the issuance or
delivery of stock certificates representing shares of Common Stock in a name other than that of the
Holder of the Notes being redeemed, and no such issuance or delivery shall be made unless the
Persons requesting such issuance or delivery has paid to the Company the amount of any such tax or
duty or has established, to the satisfaction of the Company, that such tax or duty has been paid.

     (h) The Company may, at its option, pay the Make-Whole Premium payable to Holders pursuant to
Section 6.02(b) upon redemption of the Notes, in shares of Common Stock, if the following
conditions are satisfied:

          (i) The shares of Common Stock to be so issued;

     (A) shall not require registration under any Federal securities law before
such shares may be freely transferable without being subject to any transfer
restrictions under the Securities Act upon redemption or if such registration is
required, such registration shall be completed and shall become effective prior
to the Redemption Date; and

     (B) shall not require registration with, or approval of, any governmental
authority under any state law or any other Federal law before shares may be
validly issued or delivered upon redemption or if such registration is required
or such approval must be obtained, such registration shall be completed or such
approval shall be obtained prior to the Redemption Date.

     (ii) The shares of Common Stock to be listed upon redemption of Notes hereunder are,
or shall have been, approved for listing on the NASDAQ Global Market or the NASDAQ Global
Select Market or any other stock exchange on which the shares of Common Stock are then
listed, in any case, prior to the Redemption Date.

     (iii) All shares of Common Stock which may be issued upon redemption of Notes shall
be newly issued shares or treasury shares, shall be duly and validly issued and fully paid
and nonassessable and shall be free from preemptive rights and free of any lien or adverse
claim.

43

 

     (iv) If any of the conditions set forth in clauses (i) through (iii) of this Section
6.02(h) are not satisfied in accordance with the terms
thereof, the Make-Whole Premium shall be paid by the Company only in cash.

     Section 6.03. Selection of Notes to be Redeemed. If less than all the Notes are to be
redeemed, the Trustee shall select the Notes to be redeemed pro rata or by lot or by any other
method the Trustee considers reasonable (so long as such method is not prohibited by the rules of
the NASDAQ Global Market or the NASDAQ Global Select Market or any other stock exchange on which
the Notes are then listed, as applicable). The Trustee shall make the selection within seven days
from its receipt of the notice from the Company delivered pursuant to
Section 6.04 from outstanding
Notes not previously called for redemption.

     Notes and portions of Notes the Trustee selects shall be in principal amounts of $1,000 or
multiples of $1,000. Provisions of the Indenture that apply to Notes called for redemption in
whole also apply to Notes called for redemption in part. The Trustee shall notify the Company
promptly of the Notes or portions of Notes to be redeemed.

     If any Note selected for partial redemption is converted in part before termination of the
conversion right with respect to the portion of the Note so selected, the converted portion of such
Note shall be deemed (so far as may be) to be the portion selected for redemption. Notes which
have been converted during a selection of Notes to be redeemed may be treated by the Trustee as
outstanding for the purpose of such selection.

     Section 6.04. Notice of Redemption. At least 35 days but not more than 60 days before a
Redemption Date, the Company shall send a notice of redemption (“Notice of Redemption”) by
electronic transmission or by first-class mail, postage prepaid, to the Trustee, the Paying Agent
and each Holder of Notes to be redeemed; provided, however, that the Company may not deliver any
such notice to any Holder of Notes at any time when there exists any accrued and unpaid Defaulted
Interest.

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

     (a) the Redemption Date, including the type of consideration to be paid for the Make-Whole
Premium;

     (b) the Redemption Price;

     (c) the applicable Conversion Rate;

     (d) the name and address of the Paying Agent and Conversion Agent;

44

 

     (e) that Notes called for redemption may be converted at any time before the Close of Business
on the Trading Day immediately preceding the Redemption Date unless the Company fails to pay the
Redemption Price;

     (f) that Holders who want to convert Notes must satisfy the requirements set forth therein and
in the Indenture;

     (g) that Notes called for redemption must be surrendered to the Paying Agent for cancellation
to collect the Redemption Price;

     (h) if fewer than all the outstanding Notes are to be redeemed, the certificate numbers (if
such Notes are held other than in global form) and principal amounts of the particular Notes to be
redeemed;

     (i) that, unless the Company defaults in making payment of such Redemption Price, interest
will cease to accrue on and after the Redemption Date; and

     (j) the CUSIP number of the Notes.

     At the Company’s written request delivered at least 10 days prior to the date such notice is
to be given to the Holders (unless a shorter time period shall be acceptable to the Trustee), the
Trustee shall give the Notice of Redemption to each Holder of Notes to be redeemed in the Company’s
name and at the Company’s expense.

     Section 6.05. Effect of Notice of Redemption. Once a Notice of Redemption is given, Notes
called for redemption become due and payable on the Redemption Date and at the Redemption Price
stated in the notice except for Notes that are converted in accordance with the terms of the
Indenture. Upon surrender to the Paying Agent, such Notes shall be paid at the Redemption Price
stated in the notice.

     Section 6.06. Deposit of Redemption Price. Prior to 10:00 a.m. (New York City time) on the
Redemption Date, the Company shall deposit with the Trustee or with the Paying Agent (or, if the
Company or a Subsidiary of the Company or an Affiliate of either of them is acting as the Paying
Agent, shall segregate and hold in trust as provided in Section 4.03(b) of the Base Indenture) an
amount of money (in immediately available funds if deposited on such Trading Day) sufficient to pay
the aggregate Redemption Price of all the Notes or portions thereof which are to be redeemed as of
the Redemption Date.

     If the Paying Agent holds money sufficient to pay the Redemption Price with respect to the
Notes to be redeemed on the Redemption Date in accordance with the terms of the Indenture, then,
immediately on and after the Redemption Date, interest on such Notes shall cease to accrue, whether
or not the Notes are delivered to the Paying Agent, and all other rights of the Holders of such
Notes

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shall terminate, other than the right to receive the Redemption Price upon delivery of such Notes.

     Section 6.07. Notes Redeemed in Part. Any Note which is to be redeemed only in part shall be
surrendered at the office of the Paying Agent (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 such Holder’s attorney duly authorized in writing)
and the Company shall execute and the Trustee shall authenticate and deliver to the Holder of such
Note, without service charge, a new Note or Notes, of any authorized denomination as requested by
such Holder in aggregate principal amount equal to, and in exchange for, the portion of the
principal amount of the Note so surrendered that is not redeemed; provided, that the Company shall
not be required to (i) issue, register the transfer of or exchange any Notes during a period
beginning at the Open of Business 15 days before any selection for redemption of Notes and ending
at the Close of Business on the earliest date on which the relevant Notice of Redemption is deemed
to have been given to all Holders of Notes to be redeemed or (ii) register the transfer of or
exchange any Notes so selected for redemption, in whole or in part, except the unredeemed portion
of any Notes being redeemed in part.

ARTICLE 7

Events of Default and Remedies

     Section 7.01. Events of Default.

     (a) The
provisions of this Article 7 shall, with respect to the Notes, supersede in its
entirety Article 6 of the Base Indenture.

     (b) “Event of Default”, wherever used herein, means any one of the following events (whatever
the reason for such Event of Default and whether it shall be voluntary or involuntary or be
effected by operation of law or pursuant to any judgment, decree or order of any court or any
order, rule or regulation of any administrative or governmental body):

     (i) default by the Company in the payment of any interest upon any Note when it
becomes due and payable, and continuance of such default for a period of 30 days; or

     (ii) default by the Company in the payment of the principal of any Note when due and
payable at its Stated Maturity, upon required repurchase, upon redemption, upon
acceleration or otherwise; or

     (iii) failure by the Company to comply with its obligation to convert the Notes upon
exercise of a Holder’s conversion right and such failure continues for five days; or;

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     (iv)
failure by the Company to comply with its obligations under Article 8; or

     (v) failure by the Company to issue a Fundamental Change Repurchase Right Notice in
accordance with Section 4.01; or

     (vi) failure by the Company for 60 days after written notice from the Trustee or the
Holders of at least 25% principal amount of the Outstanding Notes has been received by the
Company to comply with any of its other agreements contained in the Notes or the
Indenture; or

     (vii) default under any agreements, indentures or instruments under which the Company
or any Significant Subsidiary then has outstanding, or by which there may be secured or
evidenced, any indebtedness for money borrowed having a principal amount in excess of
$25,000,000 in the aggregate of the Company and/or any such Significant Subsidiary of the
Company, whether such indebtedness now exists or shall hereafter be created, which default
(i) shall have resulted in such indebtedness becoming or being declared due and payable
prior to its Stated Maturity or (ii) constituted a failure to pay at least $25,000,000 of
such indebtedness when due and payable at its Stated Maturity (and including any grace
period relating to such indebtedness), upon required repurchase, upon declaration or
otherwise; provided, that any such Event of Default under this clause (vii) shall be
deemed cured and not continuing upon payment of such indebtedness or rescission of such
declaration; or

     (viii) one or more judgments, orders or decrees for the payment of money in excess of
$25,000,000, either individually or in the aggregate, shall be entered against the Company
or any of its Significant Subsidiaries and shall not be discharged, bonded, paid, stayed,
waived, subject to a negotiated settlement or subject to insurance within 60 days after
(i) the date on which the right to appeal thereof has expired if no such appeal has
commenced, or (ii) the date on which all rights to appeal have been extinguished; or

     (ix) the Company or any of its Significant Subsidiaries shall commence a voluntary
case or other proceeding seeking liquidation, reorganization or other relief with respect
to itself or its debts under any bankruptcy, insolvency or other similar law now or
hereafter in effect or seeking the appointment of a trustee, receiver, liquidator,
custodian or other similar official of the Company or any of its Significant Subsidiaries
or any substantial part of its respective property, or shall consent to any such
relief or to the appointment of or taking possession by any such official in an
involuntary case or other proceeding commenced against it, or shall make a general
assignment for the benefit of creditors, or shall fail generally to pay its debts as they
become due; or

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     (x) an involuntary case or other proceeding shall be commenced against the Company or
any of its Significant Subsidiaries seeking liquidation, reorganization or other relief
with respect to it or its debts under any bankruptcy, insolvency or other similar law now
or hereafter in effect or seeking the appointment of a trustee, receiver, liquidator,
custodian or other similar official of the Company or any of its Significant Subsidiaries
or any substantial part of its respective property, and such involuntary case or other
proceeding shall remain undismissed and unstayed for a period of sixty (60) consecutive
days.

     Section 7.02. Acceleration of Maturity; Rescission and Annulment.

     (a) If an Event of Default occurs and is continuing, then and in every such case except as
provided below, the Trustee or the Holders of not less than 25% in principal amount of the
Outstanding Notes may declare the principal of all the Outstanding Notes and accrued and unpaid
interest, if any, to be due and payable immediately, by a notice in writing to the Company (and to
the Trustee if given by Holders), and upon any such declaration such principal and accrued and
unpaid interest, if any, shall become immediately due and payable. However, upon an Event of
Default arising out of Section 7.01(b)(ix) or Section 7.01(b)(x) (except in each case with respect
to any Significant Subsidiary) the principal amount of all the Outstanding Notes, plus accrued and
unpaid interest to the acceleration date, if any, shall be due and payable immediately without
notice from the Trustee or Holders.

     (b) Notwithstanding the foregoing, at the election of the Company, the sole remedy with
respect to an Event of Default for the failure by the Company to comply with its covenants set
forth in Section 3.05 (any such Event of Default, a “Reporting Default”), shall for the first 365
days after the occurrence of such Reporting Default consist exclusively of the right to receive
additional interest (the “Additional Interest”) on the Notes at an annual rate equal to 0.50% of
the principal amount of the Notes. The Additional Interest shall accrue on all Outstanding Notes
from and including the date on which such Reporting Default first occurs until, but excluding, the
365th day thereafter (or such earlier date on which such Reporting Default is cured or waived) and
shall be payable as provided in Section 3.07. On the 365th day after such Reporting Default (if
such violation is not cured or waived prior to such 365th day), such Additional Interest will cease
to accrue and the Trustee or the Holders of not less than 25% in principal amount of the
Outstanding Notes may declare the principal of and accrued and unpaid interest on all such Notes to
be due and payable immediately.

     (c) If the Company elects to pay the Additional Interest as the sole remedy for the Reporting
Default, the Company shall notify in writing the Holders, the Paying Agent and the Trustee of such
election at any time on or before the Close of Business on the date on which such Event of Default
first occurs. If the Company fails to give such notice, the Trustee or the Holders of not less than
25% of principal amount of the Outstanding Notes may declare the

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principal amount of and accrued
and unpaid interest (including Additional Interest, if any) on such Notes to be due and payable
immediately. Unless and until a Responsible Officer of the Trustee receives at the Corporate Trust
Office such a notice, the Trustee may assume without inquiry that Additional Interest is not
payable. The Company shall pay the Additional Interest semi-annually in arrears, with the first
semi-annual payment due on the first Interest Payment Date following the date of such Reporting
Default, in the same manner as described on the face of the Note.

     Section 7.03. Collection of Indebtedness and Suits for Enforcement by Trustee.

     The Company covenants that if

     (a) default is made in the payment of any interest on any Note when such interest becomes due
and payable and such default continues for a period of 30 days, or

     (b) default is made in the payment of the principal of any Note at the Stated Maturity
thereof,

the Company will, upon demand of the Trustee, pay to it, for the benefit of the Holders of such
Notes, the whole amount then due and payable on such Notes for principal and interest, and, to the
extent that payment of such interest shall be legally enforceable, interest on any overdue
principal and on any overdue interest, at the rate borne by the Notes, and, in addition thereto,
such further amount as shall be sufficient to cover the costs and expenses of collection, including
the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and
counsel.

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

     Section 7.04. Trustee May File Proofs of Claim.

     In case of any judicial proceeding relative to the Company (or any other obligor upon the
Notes), its property or its creditors, the Trustee shall be entitled and empowered, by intervention
in such proceeding or otherwise, to take any and
all actions authorized under the Trust Indenture Act in order to have claims of the Holders
and the Trustee allowed in any such proceeding. In particular, the Trustee shall be authorized to
collect and receive any moneys or other property payable or deliverable on any such claims and to
distribute the same; and any custodian, receiver, assignee, trustee, liquidator, sequestrator or
other similar official in any

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such judicial proceeding is hereby authorized by each Holder to make
such payments to the Trustee and, in the event that the Trustee shall consent to the making of such
payments directly to the Holders, to pay to the Trustee any amount due 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 7.06 of the Base Indenture.

     No provision of the Indenture shall be deemed to authorize the Trustee to authorize or consent
to or accept or adopt on behalf of any Holder any plan of reorganization, arrangement, adjustment
or composition affecting the Notes or the rights of any Holder thereof or to authorize the Trustee
to vote in respect of the claim of any Holder in any such proceeding.

     Section 7.05. Trustee May Enforce Claims Without Possession of Notes.

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

     Section 7.06. Application of Money Collected.

     Any money or property money collected by the Trustee pursuant to this Article shall be applied
in the following order, at the date or dates fixed by the Trustee and, in case of the distribution
of such money on account of principal or interest, upon presentation of the Notes and the notation
thereon of the payment if only partially paid and upon surrender thereof if fully paid:

     FIRST: To the payment of all amounts due the Trustee under Section 7.06 of the Base Indenture;

     SECOND: To the payment of the amounts then due and unpaid for principal of and interest on the
Notes in respect of which or for the benefit of which such money has been collected, ratably,
without preference or priority of any kind, according to the amounts due and payable on such Notes
for principal and interest, respectively; and

     THIRD: The balance, if any, to the Company or any other Person or Persons entitled thereto.

     Section 7.07. Limitation on Suits.

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     Subject to Section 7.08, no Holder of any Note shall have any right to institute any
proceeding, judicial or otherwise, with respect to the Indenture, or for the appointment of a
receiver or trustee, or for any other remedy hereunder, unless

     (a) such Holder has previously given written notice to the Trustee of a continuing Event of
Default;

     (b) the Holders of not less than 25% in principal amount of the Outstanding Notes shall have
made written request to the Trustee to institute proceedings in respect of such Event of Default in
its own name as Trustee hereunder;

     (c) such Holder or Holders have offered in writing to the Trustee security or indemnity
satisfactory to it against any loss, expenses and liabilities to be incurred in compliance with
such request;

     (d) the Trustee for 60 days after its receipt of such notice, request and offer of indemnity
has failed to institute any such proceeding; and

     (e) no direction that, in the opinion of the Trustee, is inconsistent with such written
request has been given to the Trustee during such 60-day period by the Holders of a majority in
principal amount of the Outstanding Notes;

it being understood and intended that no one or more Holders shall have any right in any manner
whatever by virtue of, or by availing of, any provision of the Indenture to affect, disturb or
prejudice the rights of any other Holders, or to obtain or to seek to obtain priority or preference
over any other Holders or to enforce any right under the Indenture, except in the manner herein
provided and for the equal and ratable benefit of all the Holders.

     Section 7.08. Unconditional Right of Holders to Receive Principal and Interest and to
Convert.

     Notwithstanding any other provision in the Indenture, the Holder of any Note shall have the
right, which is absolute and unconditional, to receive payment of the principal of and interest on
such Note expressed in such Note and to convert such Note in accordance with Article 5 and to
institute suit for the enforcement of any such payment and right to convert, and such rights shall
not be impaired without the consent of such Holder.

     Section 7.09. Restoration of Rights and Remedies.

     If the Trustee or any Holder has instituted any proceeding to enforce any right or remedy
under the Indenture and such proceeding has been discontinued or abandoned for any reason, or has
been determined adversely to the Trustee or to
such Holder, then and in every such case, subject to any determination in such

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proceeding, the
Company, the Trustee and the Holders shall be restored severally and respectively to their former
positions hereunder and thereafter all rights and remedies of the Trustee and the Holders shall
continue as though no such proceeding had been instituted.

     Section 7.10. Rights and Remedies Cumulative.

     Except as otherwise provided with respect to the replacement or payment of mutilated,
destroyed, lost or stolen Notes in Section 2.07 of the Base Indenture, no right or remedy herein
conferred upon or reserved to the Trustee or to the Holders is intended to be exclusive of any
other right or remedy, and every right and remedy shall, to the extent permitted by law, be
cumulative and in addition to every other right and remedy given hereunder or now or hereafter
existing at law or in equity or otherwise. The assertion or employment of any right or remedy
hereunder, or otherwise, shall not prevent the concurrent assertion or employment of any other
appropriate right or remedy.

     Section 7.11. Delay or Omission Not Waiver.

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

     Section 7.12. Control by Holders.

     The Holders of a majority in principal amount of the Outstanding Notes shall have the right to
direct the time, method and place of conducting any proceeding for any remedy available to the
Trustee or exercising any trust or power conferred on the Trustee, provided that

     (a) such direction shall not be in conflict with any rule of law or with the Indenture, and

     (b) the Trustee may take any other action deemed proper by the Trustee which is not
inconsistent with such direction or the Indenture.

     The Trustee shall have the right to decline to follow any such direction if the Trustee in
good faith shall, by a Responsible Officer or officers of the Trustee, determine that the
proceeding so directed, subject to the Trustee’s duties under the Trust Indenture Act, would
involve the Trustee in personal liability or might be unduly prejudicial to the Holders not
involved in the proceeding.

     Section 7.13. Waiver of Past Defaults and Rescission.

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     The Holders of not less than a majority in principal amount of the Outstanding Notes may, by
written notice to the Company and the Trustee, on behalf of the Holders of all the Notes:

     (a) waive any past default or Event of Default hereunder and its consequences, except a
default

     (i) in the payment of the principal of, accrued and unpaid interest on any Note that
remains uncured,

     (ii) in respect of the failure to deliver the amounts due upon conversion of a Note
in accordance with Section 5.01 hereunder,

     (iii) in the payment of any applicable Redemption Price, or

     (iv) in the payment of any applicable Fundamental Change Repurchase Price.

     (b) at any time after a declaration of acceleration has been made, rescind and annul any such
declaration of acceleration with respect to the Notes and its consequences, if:

     (i) such rescission will not conflict with any judgment or decree of a court of
competent jurisdiction; and

     (ii) such declaration is not the result of a failure to deliver consideration due
upon conversion, a payment default arising from the Company’s failure to repurchase any
Notes when required, a payment default arising from the Company’s failure to pay the
Redemption Price on the Redemption Date in connection with the Company exercising its
optional redemption right.

     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 the Indenture; but no such
waiver shall extend to any subsequent or other default or impair any right consequent thereon.

     Section 7.14. Undertaking for Costs.

     In any suit for the enforcement of any right or remedy under the Indenture, or in any suit
against the Trustee for any action taken, suffered or omitted by it as Trustee, a court may require
any party litigant in such suit to file an undertaking to pay the costs of such suit, and may
assess costs against any such party litigant, in the manner and to the extent provided in the Trust
Indenture Act; provided, that neither this Section nor the Trust Indenture Act shall be deemed to
authorize any court to require such an undertaking or to make such an assessment in any suit
instituted by the Company or in any suit for the enforcement of the right to convert any Note
in accordance with Article 12.

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     Section 7.15. Waiver of Stay or Extension Laws.

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

     Section 7.16. Notice of Default.

     (a) The
provisions of this Section 7.16 shall, with respect to the Notes, supersede in its
entirety Section 7.14 of the Base Indenture

     (b) If a default occurs and is continuing and is known to the Trustee, the Trustee must send
to each Holder notice of the default within 90 days after it occurs or, if later, promptly after
the Trustee obtains knowledge thereof. Except in the case of a default in the payment of principal
of or interest on any Note, the Trustee may withhold notice if and so long as the Trustee in good
faith determines that withholding notice is in the interests of the Holders. In addition, the
Company shall deliver to the Trustee, within 120 days after the end of each fiscal year, a
certificate indicating whether the signers thereof know of any default that occurred during the
previous year. The Company shall also deliver to the Trustee, within 30 days after the occurrence
thereof, written notice of any events which would constitute certain defaults, their status and
what action the Company is taking or propose to take in respect thereof.

ARTICLE 8

Consolidation, Merger, Conveyance, Transfer or Lease

     Section 8.01. Company May Consolidate, Etc., Only on Certain Terms.

     (a) This
Section 8.01 shall, with respect to the Notes, supersede in its entirety Section
10.01 of the Base Indenture. The Company shall not consolidate with or merge with or into any
other Person or sell, convey, transfer or lease all or substantially all of its properties and
assets to another Person, unless:

     (i) either (A) the Company is the surviving corporation or (b) the resulting,
surviving or transferee Person (if other than the Company) is
a corporation organized and existing under the laws of the United States of America,
any State thereof or the District of Columbia, and such Person expressly assumes by
supplemental indenture all of the Company’s obligations under the Notes and the Indenture;

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     (ii) immediately after giving effect to such transaction, no Default or Event of
Default shall have occurred and be continuing; and

     (iii) the Company, or the successor Person if other than the Company, has delivered
to the Trustee an Officers’ Certificate and an Opinion of Counsel, each stating that such
consolidation, merger, conveyance, transfer or lease and, if a supplemental indenture is
required in connection with such transaction, such supplemental indenture comply with this
Article and that all conditions precedent herein provided for relating to such transaction
have been complied with.

     Section 8.02. Successor Substituted.

     This
Section 8.02 shall, with respect to the Notes, supersede in its entirety Section 10.02 of
the Base Indenture. Upon any consolidation of the Company with, or merger of the Company into, any
other Person or any conveyance, transfer or lease of the properties and assets of the Company
substantially as an entirety in accordance with Section 8.01, the successor Person formed by such
consolidation or into which the Company is merged or to which such conveyance, transfer or lease is
made shall succeed to, and be substituted for, and may exercise every right and power of, the
Company under the Indenture with the same effect as if such successor Person had been named as the
Company herein, and thereafter, the predecessor Person shall be relieved of all obligations and
covenants under the Indenture and the Notes. If the Company is still in existence after the
transaction, it will be released from its obligations and covenants hereunder and the under the
Notes.

ARTICLE 9

Satisfaction and Discharge

     Section 9.01. Satisfaction and Discharge of Indenture.

     (a) Subject to Section 1.02 hereof, the provisions of Article 11 of the Base Indenture, as
supplemented by the provisions of this Supplemental Indenture, shall apply to the Notes.

     (b) Section 11.01 and 11.02 of the Base Indenture shall not apply to the Notes.

     (c) When (i) the Company shall deliver to the Trustee for cancellation all Notes theretofore
authenticated (other than any Notes that have been destroyed,
lost or stolen and in lieu of or in substitution for which other Notes shall have been
authenticated and delivered) and not theretofore canceled, or (ii) all the Notes not theretofore
canceled or delivered to the Trustee for cancellation shall have become due and payable, and the
Company shall deposit with the Trustee, in trust, cash and/or shares of Common Stock sufficient to
pay at Stated Maturity

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upon conversion (assuming the maximum number of Additional Shares then
issuable), upon any Redemption Date or upon any Fundamental Change Repurchase Date all principal
and interest (including Additional Interest, if any) due or to become due to such Stated Maturity,
Redemption Date of Fundamental Change Repurchase Date, as the case may be, and if the Company shall
also pay or cause to be paid all other sums payable hereunder by the Company, then the Indenture
shall cease to be of further effect (except as to (A) remaining rights of registration of transfer,
substitution and exchange and conversion of Notes, (B) rights hereunder of Holders to receive
payments of principal of and interest (including Additional Interest, if any) on, the Notes and the
other rights, duties and obligations of Holders, as beneficiaries hereof with respect to the
amounts, if any, so deposited with the Trustee and (C) the rights, obligations and immunities of
the Trustee hereunder), and the Trustee, on written demand of the Company accompanied by an
Officers’ Certificate and an Opinion of Counsel and at the reasonable cost and expense of the
Company, shall execute proper instruments acknowledging satisfaction of and discharging the
Indenture; the Company, however, hereby agrees to reimburse the Trustee for any costs or expenses
thereafter incurred by the Trustee and to compensate the Trustee for any services thereafter
rendered by the Trustee in connection with the Indenture or the Notes.

ARTICLE 10

Supplemental Indentures

     Section 10.01. Supplemental Indentures. Subject to Section 1.02 hereof, the provisions of
Article 9 of the Base Indenture, as supplemented by the provisions of this Supplemental Indenture,
shall apply to the Notes.

     It shall not be necessary for any Act of Holders under this Article 10 to approve the
particular form of any proposed supplemental indenture, but it shall be sufficient if such Act
shall approve the substance thereof.

     Any Notes held by the Company or any of its Affiliates shall be disregarded (from both the
numerator and the denominator) for purposes of determining whether the Holders of the requisite
aggregate principal amount of the Outstanding Notes have consented to a modification, amendment or
waiver of the terms of the Indenture.

     Section 10.02. Supplemental Indentures Without Consent of Holders. In addition to any
permitted amendment or supplement to the Indenture pursuant to
Section 9.01 of the Base Indenture, without the consent of any Holders, the Company, when
authorized by a Board Resolution, and the Trustee, at any time and from time to time, may enter
into one or more indentures supplemental hereto, in form reasonably satisfactory to the Trustee and
the Company, for any of the following purposes:

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     (a) to cure any ambiguity, manifest error, defect or omission or inconsistency that does not
adversely affect the Holders in any material respect;

     (b) to provide for the assumption of the Company’s obligations under the Indenture by a
successor upon any merger, consolidation or asset transfer permitted under the Indenture and to
provide for conversion of the Notes into Reference Property;

     (c) to provide any security for or add guarantees with respect to the Notes;

     (d) to comply with any requirement of the SEC in connection with the qualification of the
Indenture under the Trust Indenture Act;

     (e) to add covenants that would benefit the Holders or to surrender any rights the Company has
under the Indenture

     (f) to provide for a successor Trustee in accordance with the terms of the Indenture or to
otherwise comply with any requirement of the Indenture

     (g) to provide for the issuance of Additional Notes, to the extent that the Company deems such
amendment necessary or advisable in connection with such issuance; provided that no such amendment
or supplement may impair the rights or interests of any Holder;

     (h) to increase the Conversion Rate;

     (i) to add Events of Default with respect to the Notes;

     (j) to add circumstances under which the Company will pay additional interest on the Notes;

     (k) to make any other change that does not adversely affect the rights of any Holder of
Outstanding Notes; or

     (l) to conform the terms of the Indenture or the Notes to the “Description of Notes” section
of the Company’s final prospectus supplement dated August 6, 2009 relating to the offering of the
Notes.

     Section 10.03. Supplemental Indentures with Consent of Holders.

     In addition to any permitted amendment or supplement to the Indenture pursuant to Section 9.02
of the Base Indenture, with the consent of the Holders of not less than a majority in principal
amount of the Outstanding Notes, by Act of said Holders delivered to the Company and the Trustee,
the Company, when authorized by a Board Resolution, and the Trustee may enter into an indenture or
indentures supplemental hereto for the purpose of adding any provisions to or changing in any
manner or eliminating any of the provisions of the Indenture or of

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modifying in any manner the
rights of the Holders under the Indenture; provided, however, that no such supplemental indenture
shall, without the consent of the Holder of each Outstanding Note affected thereby,

     (a) make any change in the percentage of principal amount of Notes whose Holders must consent
to an amendment, supplement or waiver or to make any change in this provision for modification;

     (b) reduce any rate of interest or extend the time for payment of interest on the Notes;

     (c) reduce the principal amount of, or the Fundamental Change Repurchase Price or Redemption
Price with respect to, the Notes, or change their final Stated Maturity;

     (d) make payments on the Notes payable in currency other than as originally stated in the
Notes;

     (e) impair the Holder’s right to institute suit for the enforcement of any payment on the
Notes;

     (f) adversely affect the ranking of the Notes as the senior unsecured indebtedness of the
Company;

     (g) waive a continuing default or Event of Default regarding any payment on the Notes;

     (h) adversely affect the right of any Holder to require the Company to repurchase all or any
of its Notes as provided in Article 4 ; or

     (i) adversely affect the right of any Holder to convert any Note as provided in Article 5.

     Section 10.04. Notices
 of Supplemental Indentures. After a supplement under this
Article 10
becomes effective, the Company will send to the Holders a notice briefly describing the amendment,
supplement or waiver. The Company will send supplemental indentures to Holders upon request. Any
failure of the Company to send such notice, or any defect therein, will not, however, in any way
impair or affect the validity of any such supplemental indenture or waiver.

ARTICLE 11

Miscellaneous

     Section 11.01. Governing Law. THIS SUPPLEMENTAL INDENTURE AND THE NOTES SHALL BE GOVERNED BY
AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK

58

 

(WITHOUT GIVING EFFECT TO THE
CONFLICT OF LAWS PRINCIPLES THEREOF).

     Section 11.02. Calculations in Respect of Notes.

     Except as otherwise provided in the Indenture, the Company shall be responsible for making all
calculations called for hereunder and under the Notes or in connection with a conversion. These
calculations include, but are not limited to, determinations of the Last Reported Sales Price, the
Settlement Period and Settlement Period Trading Days, the Daily Conversion Values, if applicable,
the settlement amount, accrued interest payable on the Notes and the Conversion Rate on the Notes.
The Company shall make all these calculations in good faith and, absent manifest error, the
Company’s calculations will be final and binding on the Holders. The Company shall provide a
schedule of the Company’s calculations to each of the Trustee and the Conversion Agent, and each of
the Trustee and the Conversion Agent is entitled to rely conclusively upon the accuracy of the
Company’s calculations without independent verification. The Trustee will forward its calculations
to any Holder upon the request of such Holder.

     Section 11.03. Confirmation of Indenture. The Base Indenture, as supplemented and amended by
this Supplemental Indenture and all other indentures supplemental thereto, is in all respects
ratified and confirmed, and the Base Indenture, this Supplemental Indenture and all indentures
supplemental thereto shall be read, taken and construed as one and the same instrument.

     Section 11.04. Counterparts. The parties hereto may sign one or more copies of this
Supplemental Indenture in counterparts, all of which together shall constitute one and the same
agreement.

59

 

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

	 	 	 	 	 
	 	ONYX PHARMACEUTICALS, INC.

 	 
	 	By:  	/s/ Matthew K. Fust
 	 
	 	 	Name:  	Matthew K. Fust 	 
	 	 	Title:  	Executive Vice
President and 
Chief Financial
Officer 	 
	 

[SIGNATURE PAGE TO THE FIRST SUPPLEMENTAL INDENTURE]

 

 

	 	 	 	 	 
	 	WELLS FARGO BANK, NATIONAL ASSOCIATION

As Trustee

 	 
	 	By:  	/s/ Lynn M. Steiner
 	 
	 	 	Name:  	Lynn M. Steiner 	 
	 	 	Title:  	Vice President 	 
	 

[SIGNATURE PAGE TO THE FIRST SUPPLEMENTAL INDENTURE]

 

 

Schedule A

Make-Whole Table

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Make-Whole 
Reference Date	 	Stock Price
	 

	 	$	30.50	 	 	$	30.75	 	 	$	31.50	 	 	$	33.00	 	 	$	35.00	 	 	$	37.50	 	 	$	40.00	 	 	$	45.00	 	 	$	50.00	 	 	$	55.00	 	 	$	60.00	 	 	$	70.00	 	 	$	80.00	 	 	$	100.00	 	 	$	150.00	 	 	$	200.00	 
	August 12, 2009

	 	 	7.5662	 	 	 	7.4654	 	 	 	7.2011	 	 	 	6.7199	 	 	 	6.1624	 	 	 	5.5745	 	 	 	5.0822	 	 	 	4.3074	 	 	 	3.7280	 	 	 	3.2796	 	 	 	2.9227	 	 	 	2.3898	 	 	 	2.0101	 	 	 	1.5020	 	 	 	0.8561	 	 	 	0.5451	 
	August 15, 2010

	 	 	7.5662	 	 	 	7.2996	 	 	 	6.6634	 	 	 	6.1870	 	 	 	5.6393	 	 	 	5.0676	 	 	 	4.5938	 	 	 	3.8588	 	 	 	3.3189	 	 	 	2.9071	 	 	 	2.5832	 	 	 	2.1058	 	 	 	1.7695	 	 	 	1.3227	 	 	 	0.7559	 	 	 	0.4817	 
	August 15, 2011

	 	 	7.5662	 	 	 	7.2996	 	 	 	6.5254	 	 	 	5.7604	 	 	 	5.2036	 	 	 	4.6296	 	 	 	4.1607	 	 	 	3.4476	 	 	 	2.9368	 	 	 	2.5557	 	 	 	2.2612	 	 	 	1.8356	 	 	 	1.5407	 	 	 	1.1532	 	 	 	0.6630	 	 	 	0.4244	 
	August 15, 2012

	 	 	7.5662	 	 	 	7.2996	 	 	 	6.5254	 	 	 	5.4045	 	 	 	4.8153	 	 	 	4.2175	 	 	 	3.7382	 	 	 	3.0296	 	 	 	2.5407	 	 	 	2.1880	 	 	 	1.9232	 	 	 	1.5518	 	 	 	1.3012	 	 	 	0.9765	 	 	 	0.5666	 	 	 	0.3656	 
	August 15, 2013

	 	 	7.5662	 	 	 	7.2996	 	 	 	6.5254	 	 	 	5.0861	 	 	 	4.4334	 	 	 	3.7837	 	 	 	3.2754	 	 	 	2.5533	 	 	 	2.0838	 	 	 	1.7642	 	 	 	1.5357	 	 	 	1.2308	 	 	 	1.0323	 	 	 	0.7783	 	 	 	0.4565	 	 	 	0.2974	 
	August 15, 2014

	 	 	7.5662	 	 	 	7.2996	 	 	 	6.5254	 	 	 	5.0823	 	 	 	4.0620	 	 	 	3.3145	 	 	 	2.7442	 	 	 	1.9700	 	 	 	1.5038	 	 	 	1.2486	 	 	 	1.0780	 	 	 	0.8636	 	 	 	0.7270	 	 	 	0.5520	 	 	 	0.3276	 	 	 	0.2158	 
	August 15, 2015

	 	 	7.5662	 	 	 	7.2996	 	 	 	6.5254	 	 	 	5.0823	 	 	 	3.6526	 	 	 	2.7350	 	 	 	2.0707	 	 	 	1.2484	 	 	 	0.7874	 	 	 	0.6510	 	 	 	0.5506	 	 	 	0.4428	 	 	 	0.3759	 	 	 	0.2882	 	 	 	0.1729	 	 	 	0.1150	 
	August 15, 2016

	 	 	7.5662	 	 	 	7.2996	 	 	 	6.5254	 	 	 	5.0823	 	 	 	3.3507	 	 	 	1.4460	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 

A-1

 

Exhibit A

[FORM OF FACE OF NOTE]

     UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST
COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER,
EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH
OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE
& CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY
TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL
INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. THIS NOTE IS A GLOBAL
NOTE WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A
DEPOSITARY OR A NOMINEE THEREOF. THIS NOTE IS EXCHANGEABLE FOR NOTES REGISTERED IN THE NAME OF A
PERSON OTHER THAN THE DEPOSITARY OR ITS NOMINEE ONLY IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE
INDENTURE AND, UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN DEFINITIVE FORM,
THIS NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY
OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE
DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR
DEPOSITARY.1

 

			
	1	 	This legend is to be included only if the Note is a Global Note.

A-2

 

Onyx Pharmaceuticals, Inc.

4.00% Convertible Senior Notes due 2016

			
	No. 1
	 	U.S. $230,000,000

CUSIP: 683399AB5

ISIN: US683399AB58

     Onyx Pharmaceuticals, Inc., a company duly incorporated and validly existing under the laws of
the State of Delaware (herein called the “Company”), which term includes any successor corporation
under the Indenture referred to on the reverse hereof), for value received hereby promises to pay
to Cede & Co., or registered assigns, the principal sum of [•] United States Dollars ($[•]) (which
amount may from time to time be increased or decreased by adjustments made on the records of the
Trustee, as custodian for the Depositary, in accordance with the rules and procedures of the
Depositary and in accordance with the below referred Indenture) on August 15, 2016.

     The issue date of this Note is August 12, 2009.

     Reference is made to the further provisions of this Note set forth on the reverse hereof,
including, without limitation, provisions giving the Company the right to redeem this Note under
certain circumstances, provisions giving the Holder the right to convert this Note into Common
Stock of the Company and to the ability and obligation of the Company to purchase this Note upon
certain events, in each case, on the terms and subject to the limitations referred to on the
reverse hereof and as more fully specified in the Indenture. Such further provisions shall for all
purposes have the same effect as though fully set forth at this place. Capitalized terms used but
not defined herein shall have such meanings as are ascribed to such terms in the Indenture.

     This Note shall be deemed to be a contract made under the laws of the State of New York, and
for all purposes shall be construed in accordance with and governed by the laws of said State.

[Signature page follows]

A-3

 

     IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed.

	 	 	 	 	 
	 	ONYX PHARMACEUTICALS, INC.

 	 
	 	By:  	 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 
	 	Date: 	  	 	 
	 

	 	 	 	 	 
	TRUSTEE’S CERTIFICATION OF
AUTHENTICATION

WELLS FARGO BANK, NATIONAL
ASSOCIATION, as Trustee, certifies
that this is one of the Notes
described in the within-mentioned Indenture.

 	 	 
	By:  	 	 	 
	 	Name:  	 	 	 
	 	Authorized Signatory 	 	 
	Date: 	  	 	 	 
	 

A-4

 

[FORM OF REVERSE SIDE OF NOTE]

Onyx Pharmaceuticals, Inc.

4.00% Convertible Senior Notes due 2016

     This Note is one of a duly authorized issue of 4.00% Convertible Senior Notes due 2016 (the
“Notes”) of the Company issued under an Indenture, dated as of August 12, 2009 (as amended,
modified and supplemented by the First Supplemental Indenture dated August 12, 2009, the
“Indenture”) between the Company and Wells Fargo Bank, National Association, as trustee (the
“Trustee”). The terms of the Note include those stated in the Indenture, those made part of the
Indenture by reference to the Trust Indenture Act of 1939, as amended (the “TIA”), and those set
forth in this Note. This Note is subject to all such terms, and Holders are referred to the
Indenture and the TIA for a statement of all such terms. To the extent permitted by applicable
law, if any provision of this Note conflicts with the express provisions of the Indenture, the
provisions of the Indenture shall govern and be controlling. Capitalized terms used but not
defined herein have the meanings assigned to them in the Indenture unless otherwise indicated.

	 	1.	 	Interest.

     This Note shall bear interest at a rate of 4.00% per annum on the principal amount. Interest
on this Note shall accrue from the most recent date to which interest has been paid or, if no
interest has been paid, from August 12, 2009. Interest will be payable semi-annually, in arrears,
on each February 15 and August 15, beginning on February 15, 2010, to holders of record at the
Close of Business on the immediately preceding February 1 and August 1, respectively. Interest
will be computed on the basis of a 360-day year comprised of twelve 30-day months. If a payment
date is not a Business Day, payment will be made on the next succeeding Business Day, and no
interest (including Additional Interest, if any) will accrue for the intervening period.

     Interest (including Additional Interest, if any) will cease to accrue on the Notes upon the
Maturity Date, their redemption by the Company or their conversion or repurchase by the Company at
the option of the Holder.

	 	2.	 	Method of Payment.

     Payment of the principal of the Notes shall be made at the Corporate Trust Office of the
Trustee in such coin or currency of the United States of America as at the time of payment is legal
tender for payment of public and private debts. Payment of interest including Additional Interest,
if any, on Certificated Notes shall be made by check mailed to the address of the Person entitled
thereto as

A-5

 

such address appears in the Security Register; provided, however, that Holders with
Notes in an aggregate principal amount in excess of $5.0 million shall be paid, at their written
election, by wire transfer of immediately available funds.
Notwithstanding the foregoing, so long as the Notes are registered in the name of a Depositary
or its nominee, all payments with respect to the Notes shall be made by wire transfer of
immediately available funds to the account of the Depositary or its nominee.

	 	3.	 	Paying Agent, Registrar and Conversion Agent.

     Initially, the Trustee will act as Paying Agent, Registrar and Conversion Agent. The Company
or any Affiliate of the Company may act as Paying Agent, Registrar or Conversion Agent.

	 	4.	 	Indenture.

     The Notes are general unsecured senior obligations of the Company. The Indenture does not
limit the ability of the Company to incur other debt, secured or unsecured.

	 	5.	 	Redemption at the Option of the Company.

     The Notes are redeemable in whole, or from time to time in part, at any time on or after
August 20, 2013 at the option of the Company if the Last Reported Sale Price of the Common Stock
for 20 or more Trading Days in a period of 30 consecutive Trading Days ending on the Trading Day
immediately prior to the date of the Redemption Notice exceeds 130% of the applicable Conversion
Price in effect on each such Trading Day. The Redemption Price shall be equal to (i) a cash amount
equal to the sum of (x) 100% of the principal amount of Notes being redeemed, plus (y) accrued and
unpaid interest (including Additional Interest, if any), if any to, but excluding, the Redemption
Date, plus (ii) the Make-Whole Premium payment in cash, shares of Common Stock or a combination
thereof, at our option. No sinking fund is provided for the Notes.

	 	6.	 	Purchase by the Company at the Option of the Holder Upon a Fundamental
Change.

     Subject to the terms and conditions of the Indenture, the Company shall become obligated to
purchase, at the option of any Holder, all or any portion of the Notes held by such Holder upon a
Fundamental Change in principal amounts of $1,000 or multiples of $1,000 at the Fundamental Change
Repurchase Price. To exercise such right, a Holder shall deliver to the Paying Agent, and the
Paying Agent must receive, a Fundamental Change Repurchase Notice containing the information set
forth in the Indenture, at any time prior to the Close of Business

A-6

 

on the Business Day immediately preceding the Fundamental Change Repurchase Date, and shall deliver the Notes to the Paying Agent
as set forth in the Indenture.

     Holders have the right to withdraw (in whole or in part) any Fundamental Change Repurchase
Notice by delivering to the Paying Agent a written notice of withdrawal in accordance with the
provisions of the Indenture.

     If cash sufficient to pay the Fundamental Change Repurchase Price of all Notes or portions
thereof to be purchased with respect to a Fundamental Change Repurchase Date is deposited with the
Paying Agent by 10:00 a.m., New York City time, on the Fundamental Change Repurchase Date, then,
immediately after such Fundamental Change Repurchase Date, such Notes shall cease to be outstanding
and interest (including Additional Interest, if any) on such Notes shall cease to accrue, whether
or not such Notes are delivered by their Holders to the Paying Agent, and the Holders thereof shall
have no other rights as such (other than the right to receive the Fundamental Change Repurchase
Price upon delivery of such Notes by their Holders to the Paying Agent).

	 	7.	 	Conversion.

     Subject to the provisions of the Indenture (including without limitation the conditions of
conversion of Notes set forth in Article 5 thereof), the Holder hereof has the right, at its
option, to convert the principal amount hereof or any portion of such principal which is $1,000 or
a multiple thereof, into cash, shares of Common Stock or a combination thereof, at the Conversion
Rate specified in the Indenture. The initial Conversion Rate is 25.2207 shares of Common Stock per
$1,000 principal amount of Notes, subject to adjustment in certain events described in the
Indenture.

     Upon conversion, Holders will receive, at the Company’s election, cash, shares of Common Stock
or a combination thereof, as set forth in the Indenture. However, at any time prior to the 30th
Scheduled Trading Day preceding August 15, 2016, the Company may irrevocably make a Net Share
Settlement Election, which entitles the Company to pay an amount in cash equal to the Fixed Cash
Amount in respect to the Notes tendered for conversion, together with shares of Common Stock to the
extent that the Company’s payment obligations in respect of the Notes exceed such Fixed Cash
Amount.

     No fractional shares will be issued upon any conversion, but an adjustment and payment in cash
will be made, as provided in the Indenture, in respect of any fraction of a share which would
otherwise be issuable upon the surrender of any Notes for conversion. Notes in respect of which a
Holder is exercising its right to require repurchase on a Fundamental Change Repurchase Date may be
converted only if such Holder withdraws its election to exercise such right in accordance with the
terms of the Indenture;

A-7

 

	 	8.	 	Denominations; Transfer; Exchange.

     The Notes are in registered form, without coupons, in denominations of $1,000 and multiples of
$1,000. A Holder may register the transfer of or exchange Notes in accordance with the Indenture.
The Registrar may require a Holder, among other things, to furnish appropriate endorsements and
transfer documents and to pay any taxes, assessments or other governmental charges that may be
imposed in relation thereto by law or permitted by the Indenture.

	 	9.	 	Unclaimed Money or Securities.

     The Trustee and the Paying Agent shall return to the Company upon request any cash or
securities held by them for the payment of any amount with respect to the Notes that remains
unclaimed for two years, subject to applicable unclaimed property law. After return to the Company,
Holders entitled to the cash or securities must look to the Company for payment as general
creditors unless an applicable abandoned property law designates another Person.

	 	10.	 	Amendment, Supplement and Waiver.

     Subject to certain exceptions, the Notes or the Indenture may be amended or supplemented with
the consent of the Holders of at least a majority in aggregate principal amount of the Notes then
outstanding, and subject to certain exceptions, an existing Default or Event of Default with
respect to the Notes and its consequence or compliance with any provision of the Notes or the
Indenture may be waived with the consent of the Holders of at least a majority in aggregate
principal amount of the Notes then outstanding. Without the consent of or notice to any Holder,
the Company and the Trustee may amend or supplement the Indenture or the Notes to, among other
things, cure any ambiguity, defect, manifest error, omission or inconsistency or make any change
that does not adversely affect the rights under the Indenture of any Holder of outstanding Notes.

	 	11.	 	Defaults and Remedies.

     If any Event of Default other than as a result of certain events of bankruptcy, insolvency or
reorganization of the Company occurs and is continuing, the principal of all the Notes then
outstanding plus accrued and unpaid interest (including Additional Interest, if any), may be
declared due and payable in the manner and with the effect provided in the Indenture. If an Event
of Default occurs as a result of certain events of bankruptcy, insolvency or reorganization of the
Company, the principal amount of the Notes plus accrued and unpaid interest (including Additional
Interest, if any) shall become due and payable immediately without any declaration or other act on
the part of the Trustee or any Holder, all to the extent provided in the Indenture.

A-8

 

	 	12.	 	Authentication.

     This Note shall not be valid until the Trustee or an authenticating agent manually signs the
certificate of authentication on this Note.

	 	13.	 	Abbreviations.

     Customary abbreviations may be used in the name of the Holder or an assignee, such as: TEN
COM (= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint tenants with
right of survivorship and not as tenants in common), CUST (= Custodian) and UGMA (= Uniform Gifts
to Minors Act).

	 	14.	 	Indenture to Control; Governing Law.

     To the extent permitted by applicable law, if any provision of this Note conflicts with the
express provisions of the Indenture, the provisions of the Indenture shall govern and be
controlling.

     This Note shall be governed by and construed in accordance with the laws of the state of New
York (without giving effect to the conflict of laws principles thereof).

A-9

 

SCHEDULE
OF EXCHANGES OF NOTES2

     The following exchanges, purchases or conversions of a part of this Global Note have been
made:

	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	Principal
	 	 	Signature of	 	 	 	 	 	Amount of this
	 	 	Authorized	 	Decrease in	 	Increase in	 	Global Note
	Date of	 	Signatory of	 	Principal	 	Principal	 	Following Such
	Decrease or	 	Trustee or	 	Amount of this	 	Amount of this	 	Decrease or
	Increase	 	Custodian	 	Global Note	 	Global Note	 	Increase
	 	 	 	 	 	 	 	 	 

 

			
	2	 	This schedule is to be included only if the Note is a
Global Note.

A-10

 

ASSIGNMENT FORM

     If you want to assign this Note, fill in the form below and have your signature guaranteed:

     I or we assign and transfer this Note to:

 

 

 

(Print or type name, address and zip code and social security or tax ID number of assignee)

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

	 	 	 
	Date:                                         

	 	Signed:                                         
	 
	 	 
	(Sign exactly as your name appears on the other side of this Note)

	 	 	 
	Signature Guarantee:
	 	 
	 

	 	 

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

A-11

 

CONVERSION NOTICE

     If you want to exercise the option to convert this Note in accordance with the terms of the
Indenture referred to in this Note, check the box: o

     To convert only part of this Note, state the Principal Amount to be converted (which must be
$1,000 or a multiple of $1,000, provided that the portion not so converted is in a minimum
Principal Amount of $1,000):

     $                                        

     If you want the share certificate, if any, made out in another person’s name, fill in the form
below:

 
(Insert other person’s social security or tax ID no.)

 

 

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

	 	 	 
	Date:                                         

	 	Signed:                                         
	 
	 	 
	(Sign exactly as your name appears on the other side of this Note)

	 	 	 
	Signature Guarantee:
	 	 
	 

	 	 

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

A-12

 

FORM OF FUNDAMENTAL CHANGE REPURCHASE NOTICE

Wells Fargo Bank, National Association

MAC N9311-110

625 Marquette Avenue

Minneapolis, MN 55479

Attention: Corporate Trust Services

			
	     Re:	 	Onyx Pharmaceuticals, Inc. (the “Company”)

4.00% Convertible Senior Notes due 2016

     This is a Fundamental Change Repurchase Notice as defined in Section 4.01(a) of the Indenture,
dated as of August 12, 2009 (as amended, modified and supplemented by the First Supplemental
Indenture dated August 12, 2009, the “Indenture”) between the Company and Wells Fargo Bank,
National Association, as trustee (the “Trustee”). Terms used but not defined herein shall have the
meanings ascribed to them in the Indenture.

Certificate No(s). of Notes:                                         

     I intend to deliver the following aggregate principal amount of Notes for purchase by the
Company pursuant to Article 4 of the Indenture (multiples of $1,000 with a minimum of $1,000):

$

     I hereby agree that the Notes will be purchased on the Fundamental Change Repurchase Date
pursuant to the terms and conditions specified in the Notes and in the Indenture.

Signed:

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