Document:

exv10w28

 

Exhibit 10.28

FORM OF

RESTRICTED STOCK AGREEMENT

PURSUANT TO

THOMAS & BETTS CORPORATION NONEMPLOYEE DIRECTORS EQUITY COMPENSATION PLAN

     This Restricted Stock Agreement (hereinafter “Agreement”) is made as of the
<<day>> day of <<month>>, <<year>>, by and between THOMAS &
BETTS CORPORATION (hereinafter “Corporation”), a Tennessee corporation, and
<<First_Name>><<Name>>, a nonemployee director of the Corporation
(hereinafter “Participant”).

     WHEREAS, the Corporation has adopted with the approval of its stockholders the Thomas & Betts
Corporation Nonemployee Directors Equity Compensation Plan, attached as Appendix E to the 2004
Proxy Statement and as amended from time to time thereafter (hereinafter “Plan”); and

     WHEREAS, the Committee under the Plan has awarded shares of the Corporation’s Common Stock to
the Participant;

     NOW, THEREFORE, in consideration of the foregoing, the mutual promises hereinafter set forth,
and other good and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the Corporation and the Participant, intending to be legally bound, hereby agree as
follows:

     1. Issuance of Restricted Stock. Subject to the terms and conditions hereinafter set
forth, the Corporation has awarded to Participant a total of <<Grant>>            shares of its
Common Stock, par value $.10 per share (hereinafter sometimes “Restricted Stock”). The shares of
Restricted Stock actually awarded pursuant to this award are evidenced by a certificate or
certificates registered in Participant’s name.

     2. Terms and Conditions. The terms and conditions of the Plan are incorporated by
reference herein, and to the extent that any conflict may exist between any term or provision of
this Agreement and any term or provision of the Plan, the term or provision of the Plan shall
control.

     3. Restriction on Transfer. Except as otherwise provided pursuant to or in accordance
with the terms and provisions of this Agreement or the Plan, the shares of Restricted Stock shall
not be sold, exchanged, assigned, transferred or permitted to be transferred voluntarily,
involuntarily, or by operation of law, delivered, encumbered, discounted, pledged, hypothecated, or
otherwise disposed of for << >> <<( )>> months (i.e., until
<<month>> <<day>>, <<year>>) (“Restricted Period”).

     During the Restricted Period, certificates evidencing the Restricted Stock shall bear the
following legend:

“These shares have been issued pursuant to the Thomas & Betts
Corporation (“Corporation”) Nonemployee Directors Equity Compensation Plan
(“Plan”) and are subject to forfeiture to the Corporation in accordance with
the terms of the Plan and an Agreement between the Corporation and the
person in whose name the certificate is registered. These shares may not be
sold, pledged, exchanged,

 

 

transferred, hypothecated or otherwise disposed of except in accordance with
the terms of said Plan and said Agreement.”

     4. Deposit of Restricted Stock. In order to induce the Corporation to issue to
the Participant the Restricted Stock, Participant consents to the deposit with the Secretary of the
Corporation or such other person designated by the Committee, the certificates evidencing the
Restricted Stock, together with stock powers or other instruments of transfer required by the
Corporation or its counsel appropriately endorsed in blank by him. Such deposits shall remain in
effect until the time the Restricted Stock is forfeited under and pursuant to the terms and
provisions of Section 5 hereof or until said Restricted Stock shall be released from restrictions
under the Plan and the Agreement.

     Participant consents to the appointment of the Secretary of the Corporation, in his official
capacity, and his successors in office, or any other person that may be appointed by the Committee
under the Plan as Escrow Agent for said shares during the Restricted Period. If during the
Restricted Period, Participant’s service as a director of the Corporation is terminated, and the
Restricted Stock is forfeited in accordance with Section 5, Participant authorizes the Escrow Agent
to cause such certificate or certificates to be canceled on the stock record books of the
Corporation. Participant agrees that the Escrow Agent is acting merely as a depository and shall
have no liability hereunder except as a depository to retain the Restricted Stock and to dispose of
them in accordance with the terms of this Agreement and the Plan. If the Escrow Agent is notified
of any adverse claim or demand by any person, he is hereby authorized to hold such certificates
until the dispute shall have been settled by the parties and notice submitted to him in writing by
all persons so interested, or until the rights of the parties have been finally adjudicated in a
court of competent jurisdiction. So long as the Restricted Stock is held in escrow, Participant
shall be entitled to all the rights of a stockholder with respect thereto except as may be limited
by the terms of the Plan and this Agreement.

     5. Forfeiture of Restricted Stock. Subject at all times to the provisions of this
Agreement, if the Participant incurs a Cessation of Directorship (as defined below) before the
shares of Restricted Stock have been released from the restrictions on transfer as set forth in
Section 3 hereof, such Restricted Stock shall be forfeited to the Corporation unless the Committee
shall determine in a particular case that such forfeiture would not be in the best interest of the
Corporation. For purposes of this Section 5, “Cessation of Directorship” shall mean the
Participant’s service as a director of the Corporation ceases for any reason whatsoever, whether
voluntary or involuntary, other than because of (a) the Participant’s death, (b), the Participant’s
retirement in accordance with the Corporation’s retirement policy for directors, or (c) the
Participant’s permanent disability. In the event the Committee, in its sole discretion, determines
that the Participant’s service as a director ceased on account of disability prior to the end of
the Restriction Period set forth in Section 3, the Restriction Period shall be deemed to have ended
on the later of such disability or six months after the date of this Agreement, as first written
above. If the Participant’s employment ceased by reason of retirement (as determined by the
Committee) or death prior to the end of the Restriction Period set forth in Section 3, the
Restriction Period shall be deemed to have ended on the date of the Participant’s retirement or
death (as applicable).

     6. Delivery of Stock and Documents. In the event any shares of Restricted Stock are
forfeited to the Corporation, pursuant to the Plan or this Agreement, the Participant shall, to the
extent not already deposited with the Escrow Agent, deliver to the Escrow Agent the following:

-2-

 

the certificate or certificates representing the Restricted Stock duly endorsed for transfer
and bearing whatever documentary stamps, if any, are necessary, and such assignments, certificates
of authority, tax releases, consents to transfer, instruments, and evidences of title of the
Participant and of his compliance with this Agreement as may be reasonably required by the
Corporation or by its counsel.

     7. Stock Distributions. Any shares of Common Stock of the Corporation received by a
Participant as a stock dividend, or as a result of stock splits, recapitalizations, combinations,
exchanges of shares, reorganizations, mergers, consolidations or otherwise which are derived
directly or indirectly from shares of Restricted Stock shall have the same status, be subject to
the same restrictions, and shall bear the same legend as the shares of Restricted Stock and shall
be delivered to the Escrow Agent to be held under the same terms and conditions as the Restricted
Stock.

     8. Non-Alienation. No Restricted Stock shall be subject to alienation, sale,
assignment, pledge, encumbrance or charge and any attempt to anticipate, alienate, sell, assign,
pledge, encumber or charge the same shall be void. No right or benefit hereunder shall in any
manner be liable for or subject to the debts, contracts, liabilities or torts of the person
entitled to such benefit.

     9. Rights of Stockholder. Subject to the terms and provisions of the Tennessee
Business Corporation Act and of this Agreement, the Participant shall have all the rights of a
stockholder of the Corporation with respect to the Restricted Stock, including the right to vote
the Restricted Stock and to receive all dividends or other distributions paid or made with respect
thereto.

     10. Change of Control. In the event the Corporation undergoes a change of control as
defined in Section 13(a) of the Plan, the rights of the Participant shall be governed by Section
13(b) of the Plan.

     11. Burden and Benefit. The terms and provisions of this Agreement shall be binding
upon, and shall inure to the benefit of, the Participant and his executors or administrators,
heirs, and personal and legal representatives.

     12. Governing Law. This Agreement shall be construed and enforced in accordance with
the laws of the State of Tennessee (without regard to principles of conflicts of laws), except to
the extent such laws are preempted by federal law.

     13. Modifications. No change or modification of this Agreement shall be valid unless
it is written (or electronic) and signed by the parties hereto.

     14. Entire Agreement. This Agreement, together with the Plan, sets forth all of the
promises, agreements, conditions, understandings, warranties, and representations between the
parties hereto with respect to the shares of Restricted Stock, and there are no promises,
agreements, conditions, understandings, warranties, or representations, oral or written, express or
implied, between them with respect to the shares of Restricted Stock other than as set forth herein
or therein.

     15. Genders. The use of any gender herein shall be deemed to include the other gender
and the use of the singular herein shall be deemed to include the plural and vice versa, wherever
appropriate.

-3-

 

     16. Notices. Any and all notices required herein shall be addressed: (i) if to the
Corporation, to the principal executive office of the Corporation; and (ii) if to the Participant,
to his address as reflected in the stock records of the Corporation.

     17. Specific Performance. The parties hereto agree that the shares of Restricted
Stock are unique, that the Participant’s failure to perform the obligations provided by this
Agreement will result in irreparable damage to the Corporation, and that specific performance of
the Participant’s obligations may be obtained by a suit in equity.

     18. Invalid or Unenforceable Provisions. The invalidity or unenforceability of any
particular provision of this Agreement shall not affect the other provisions hereof, and this
Agreement shall be construed in all respects as if the invalid or unenforceable provisions were
omitted.

     IN WITNESS WHEREOF, the Corporation and the Participant have executed this Agreement as of the
day and year first above written.

	 	 	 	 	 
	ATTEST:	 	THOMAS & BETTS CORPORATION
	 
	 	 	 	 
	 	 	By:
	 

	 	 	 	 
	Vice President-General Counsel and Secretary

	 	 	 	President and Chief Executive Officer
	 
	 	 	 	 
	WITNESS:	 	PARTICIPANT:
	 
	 	 	 	 
	 

	 	 	 	 
	

	 	 	 	<<First Name>><<Name>>

-4-exv4w2

 

Exhibit 4.2

FORM OF SENIOR INDENTURE

 

DAWSON GEOPHYSICAL COMPANY

as Issuer

and

[                                                                                ]

as Trustee

 

Indenture

Dated as of ________ __, 200_

Debt Securities

 

 

 

DAWSON GEOPHYSICAL COMPANY

Reconciliation and tie between Trust Indenture Act of 1939

and Indenture, dated as of ________ __, 200_

 

	 	 	 	 	 
	         Section of	 	 
	      Trust Indenture	 	Section(s) of
	        Act of 1939	 	Indenture
	§ 310
	 	(a)(1)	 	7.10
	 
	 	(a)(2)	 	7.10
	 
	 	(a)(3)	 	Not Applicable
	 
	 	(a)(4)	 	Not Applicable
	 
	 	(a)(5)	 	7.10
	 
	 	(b)	 	7.08, 7.10
	§ 311
	 	(a)	 	7.11
	 
	 	(b)	 	7.11
	 
	 	(c)	 	Not Applicable
	§ 312
	 	(a)	 	2.07
	 
	 	(b)	 	10.03
	 
	 	(c)	 	10.03
	§ 313
	 	(a)	 	7.06
	 
	 	(b)	 	7.06
	 
	 	(c)	 	7.06
	 
	 	(d)	 	7.06
	§ 314
	 	(a)	 	4.03, 4.04
	 
	 	(b)	 	Not Applicable
	 
	 	(c)(1)	 	10.04
	 
	 	(c)(2)	 	10.04
	 
	 	(c)(3)	 	Not Applicable
	 
	 	(d)	 	Not Applicable
	 
	 	(e)	 	10.05
	§ 315
	 	(a)	 	7.01(b)
	 
	 	(b)	 	7.05
	 
	 	(c)	 	7.01(a)
	 
	 	(d)	 	7.01(c)
	 
	 	(d)(1)	 	7.01(c)(1)
	 
	 	(d)(2)	 	7.01(c)(2)
	 
	 	(d)(3)	 	7.01(c)(3)
	 
	 	(e)	 	6.11
	§ 316
	 	(a)(1)(A)	 	6.05
	 
	 	(a)(1)(B)	 	6.04
	 
	 	(a)(2)	 	Not Applicable
	 
	 	(a)(last sentence)	 	2.11
	 
	 	(b)	 	6.07
	§ 317
	 	(a)(1)	 	6.08
	 
	 	(a)(2)	 	6.09
	 
	 	(b)	 	2.06
	§ 318
	 	(a)	 	10.01

 

	
	Note: This reconciliation and tie shall not, for any purpose, be deemed to be a part of the
Indenture.

 

 

TABLE OF CONTENTS

ARTICLE I

DEFINITIONS AND INCORPORATION BY REFERENCE

	 	 	 	 	 	 	 
	 	 	 	 	Page
	SECTION 1.01

	 	Definitions
	 	 	1	 
	SECTION 1.02

	 	Other Definitions
	 	 	5	 
	SECTION 1.03

	 	Incorporation by Reference of Trust Indenture Act
	 	 	6	 
	SECTION 1.04

	 	Rules of Construction
	 	 	6	 
	 
	 	 	 	 	 	 
	 

	 	ARTICLE II	 	 	 	 
	 

	 	THE SECURITIES	 	 	 	 
	 
	 	 	 	 	 	 
	SECTION 2.01

	 	Amount Unlimited; Issuable in Series
	 	 	7	 
	SECTION 2.02

	 	Denominations
	 	 	9	 
	SECTION 2.03

	 	Forms Generally
	 	 	10	 
	SECTION 2.04

	 	Execution, Authentication, Delivery and Dating
	 	 	10	 
	SECTION 2.05

	 	Registrar and Paying Agent
	 	 	12	 
	SECTION 2.06

	 	Paying Agent to Hold Money in Trust
	 	 	13	 
	SECTION 2.07

	 	Holder Lists
	 	 	13	 
	SECTION 2.08

	 	Transfer and Exchange
	 	 	13	 
	SECTION 2.09

	 	Replacement Securities
	 	 	14	 
	SECTION 2.10

	 	Outstanding Securities
	 	 	14	 
	SECTION 2.11

	 	Original Issue Discount, Foreign-Currency Denominated
and Treasury Securities
	 	 	14	 
	SECTION 2.12

	 	Temporary Securities
	 	 	15	 
	SECTION 2.13

	 	Cancellation
	 	 	15	 
	SECTION 2.14

	 	Payments; Defaulted Interest
	 	 	15	 
	SECTION 2.15

	 	Persons Deemed Owners
	 	 	16	 
	SECTION 2.16

	 	Computation of Interest
	 	 	16	 
	SECTION 2.17

	 	Global Securities; Book-Entry Provisions
	 	 	16	 
	 
	 	 	 	 	 	 
	 

	 	ARTICLE III	 	 	 	 
	 

	 	REDEMPTION	 	 	 	 
	 
	 	 	 	 	 	 
	SECTION 3.01

	 	Applicability of Article
	 	 	19	 
	SECTION 3.02

	 	Notice to the Trustee
	 	 	19	 
	SECTION 3.03

	 	Selection of Securities To Be Redeemed
	 	 	19	 
	SECTION 3.04

	 	Notice of Redemption
	 	 	20	 
	SECTION 3.05

	 	Effect of Notice of Redemption
	 	 	21	 
	SECTION 3.06

	 	Deposit of Redemption Price
	 	 	21	 
	SECTION 3.07

	 	Securities Redeemed or Purchased in Part
	 	 	21	 
	SECTION 3.08

	 	Purchase of Securities
	 	 	21	 
	SECTION 3.09

	 	Mandatory and Optional Sinking Funds
	 	 	22	 
	SECTION 3.10

	 	Satisfaction of Sinking Fund Payments with Securities
	 	 	22	 

i

 

	 	 	 	 	 	 	 
	 	 	 	 	Page
	SECTION 3.11

	 	Redemption of Securities for Sinking Fund
	 	 	22	 
	 
	 	 	 	 	 	 
	 

	 	ARTICLE IV	 	 	 	 
	 

	 	COVENANTS	 	 	 	 
	 
	 	 	 	 	 	 
	SECTION 4.01

	 	Payment of Securities
	 	 	23	 
	SECTION 4.02

	 	Maintenance of Office or Agency
	 	 	23	 
	SECTION 4.03

	 	SEC Reports; Financial Statements
	 	 	24	 
	SECTION 4.04

	 	Compliance Certificate
	 	 	25	 
	SECTION 4.05

	 	Existence
	 	 	25	 
	SECTION 4.06

	 	Waiver of Stay, Extension or Usury Laws
	 	 	25	 
	SECTION 4.07

	 	Additional Amounts
	 	 	25	 
	 

	 	ARTICLE V	 	 	 	 
	 

	 	SUCCESSORS	 	 	 	 
	SECTION 5.01

	 	Limitations on Mergers, Consolidations and Other Transactions
	 	 	26	 
	SECTION 5.02

	 	Successor Person Substituted
	 	 	27	 
	 

	 	ARTICLE VI	 	 	 	 
	 

	 	DEFAULTS AND REMEDIES	 	 	 	 
	SECTION 6.01

	 	Events of Default
	 	 	27	 
	SECTION 6.02

	 	Acceleration
	 	 	29	 
	SECTION 6.03

	 	Other Remedies
	 	 	30	 
	SECTION 6.04

	 	Waiver of Defaults
	 	 	30	 
	SECTION 6.05

	 	Control by Majority
	 	 	30	 
	SECTION 6.06

	 	Limitations on Suits
	 	 	31	 
	SECTION 6.07

	 	Rights of Holders to Receive Payment
	 	 	31	 
	SECTION 6.08

	 	Collection Suit by Trustee
	 	 	31	 
	SECTION 6.09

	 	Trustee May File Proofs of Claim
	 	 	32	 
	SECTION 6.10

	 	Priorities
	 	 	32	 
	SECTION 6.11

	 	Undertaking for Costs
	 	 	33	 
	 

	 	ARTICLE VII	 	 	 	 
	 

	 	TRUSTEE	 	 	 	 
	SECTION 7.01

	 	Duties of Trustee
	 	 	33	 
	SECTION 7.02

	 	Rights of Trustee
	 	 	34	 
	SECTION 7.03

	 	May Hold Securities
	 	 	35	 
	SECTION 7.04

	 	Trustee’s Disclaimer
	 	 	35	 
	SECTION 7.05

	 	Notice of Defaults
	 	 	35	 
	SECTION 7.06

	 	Reports by Trustee to Holders
	 	 	36	 
	SECTION 7.07

	 	Compensation and Indemnity
	 	 	36	 
	SECTION 7.08

	 	Replacement of Trustee
	 	 	37	 
	SECTION 7.09

	 	Successor Trustee by Merger, etc
	 	 	38	 

ii

 

	 	 	 	 	 	 	 
	 	 	 	 	Page
	SECTION 7.10

	 	Eligibility; Disqualification
	 	 	39	 
	SECTION 7.11

	 	Preferential Collection of Claims Against Company
	 	 	39	 
	 

	 	ARTICLE VIII	 	 	 	 
	 

	 	DISCHARGE OF INDENTURE	 	 	 	 
	SECTION 8.01

	 	Termination of Company’s Obligations
	 	 	39	 
	SECTION 8.02

	 	Application of Trust Money	 	 	43	 
	SECTION 8.03

	 	Repayment to Company
	 	 	43	 
	SECTION 8.04

	 	Reinstatement
	 	 	44	 
	 
	 	 	 	 	 	 
	 

	 	ARTICLE IX	 	 	 	 
	 

	 	SUPPLEMENTAL INDENTURES AND AMENDMENTS	 	 	 	 
	 
	 	 	 	 	 	 
	SECTION 9.01

	 	Without Consent of Holders
	 	 	44	 
	SECTION 9.02

	 	With Consent of Holders
	 	 	45	 
	SECTION 9.03

	 	Compliance with Trust Indenture Act
	 	 	47	 
	SECTION 9.04

	 	Revocation and Effect of Consents
	 	 	47	 
	SECTION 9.05

	 	Notation on or Exchange of Securities
	 	 	48	 
	SECTION 9.06

	 	Trustee to Sign Amendments, etc
	 	 	48	 
	 
	 	 	 	 	 	 
	 

	 	ARTICLE X	 	 	 	 
	 

	 	MISCELLANEOUS	 	 	 	 
	 
	 	 	 	 	 	 
	SECTION 10.01

	 	Trust Indenture Act Controls
	 	 	48	 
	SECTION 10.02

	 	Notices
	 	 	49	 
	SECTION 10.03

	 	Communication by Holders with Other Holders
	 	 	50	 
	SECTION 10.04

	 	Certificate and Opinion as to Conditions Precedent
	 	 	50	 
	SECTION 10.05

	 	Statements Required in Certificate or Opinion
	 	 	50	 
	SECTION 10.06

	 	Rules by Trustee and Agents
	 	 	51	 
	SECTION 10.07

	 	Legal Holidays
	 	 	51	 
	SECTION 10.08

	 	No Recourse Against Others
	 	 	51	 
	SECTION 10.09

	 	Governing Law
	 	 	51	 
	SECTION 10.10

	 	No Adverse Interpretation of Other Agreements
	 	 	51	 
	SECTION 10.11

	 	Successors
	 	 	51	 
	SECTION 10.12

	 	Severability
	 	 	52	 
	SECTION 10.13

	 	Counterpart Originals
	 	 	52	 
	SECTION 10.14

	 	Table of Contents, Headings, etc
	 	 	52	 

iii

 

          INDENTURE
dated as of ________ ___,
200__ between Dawson Geophysical Company, a Texas
corporation (the “Company”), and [_______________], as trustee (the “Trustee”).

          Each party agrees as follows for the benefit of the other party and for the equal and ratable
benefit of the Holders of the Company’s unsecured debentures, notes or other evidences of
indebtedness (the “Securities”) to be issued from time to time in one or more series as provided in
this Indenture:

ARTICLE I

DEFINITIONS AND INCORPORATION BY REFERENCE

SECTION 1.01 Definitions.

          “Additional Amounts” means any additional amounts required by the express terms of a Security
or by or pursuant to a Board Resolution, under circumstances specified therein or pursuant thereto,
to be paid by the Company with respect to certain taxes, assessments or other governmental charges
imposed on certain Holders and that are owing to those Holders.

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

          “Agent” means any Registrar or Paying Agent.

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

          “Board of Directors” means the Board of Directors of the Company or any committee thereof duly
authorized, with respect to any particular matter, to act by or on behalf of the Board of Directors
of the Company.

          “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 that certification, and delivered to the Trustee.

          “Business Day” means any day that is not a Legal Holiday.

          “Capital Stock” means, with respect to any corporation, any and all shares, interests, rights
to purchase (other than convertible or exchangeable Debt), warrants, options, participations or
other equivalents of or interests (however designated) in stock issued by that corporation.

1

 

          “Capitalized Lease Obligation” of any Person means any obligation of that Person to pay rent
or other amounts under a lease of property, real or personal, that is required to be capitalized
for financial reporting purposes in accordance with GAAP; and the amount of that obligation shall
be the capitalized amount thereof determined in accordance with GAAP.

          “Company” means the Person named as the “Company” in the first paragraph of this instrument
until a successor corporation shall have become such pursuant to the applicable provisions of this
Indenture, and thereafter “Company” shall mean that successor corporation; provided, however, that
for purposes of any provision contained herein which is required by the TIA, “Company” shall also
mean each other obligor (if any) on the Securities of a series.

          “Company Order” and “Company Request” mean, respectively, a written order or request signed in
the name of the Company by two Officers of the Company, and delivered to the Trustee.

          “Corporate Trust Office” of the Trustee means the office of the Trustee located at
[___________________________________], and as may be located at such other address as the Trustee may
give notice to the Company.

          “Debt” of any Person means, without duplication, (i) all indebtedness of that Person for
borrowed money (whether or not the recourse of the lender is to the whole of the assets of that
Person or only to a portion thereof), (ii) all obligations of that Person evidenced by bonds,
debentures, notes or other similar instruments, (iii) all obligations of that Person in respect of
letters of credit or other similar instruments (or reimbursement obligations with respect
thereto), other than standby letters of credit, bid or performance bonds and other similar
obligations issued by or for the account of that Person in the ordinary course of business, to the
extent not drawn or, to the extent drawn, if that drawing is reimbursed not later than 30 Business
Days following demand for reimbursement, (iv) all obligations of that Person to pay the deferred
and unpaid purchase price of property or services, except trade payables, advances on contracts and
accrued expenses arising in the ordinary course of business, (v) all Capitalized Lease Obligations
of that Person, (vi) all Debt of others secured by a lien (as defined in the indenture supplement
relating to a series of Securities) on any asset of that Person, whether or not that Debt
is assumed by that Person (provided that if the obligations so secured have not been assumed in
full by that Person or are not otherwise that Person’s legal liability in full, then those
obligations shall be deemed to be in an amount equal to the greater of (a) the lesser of (1) the
full amount of those obligations and (2) the fair market value of those assets, as determined in
good faith by the board of directors or other managing body of that Person and (b) the amount of
obligations as have been assumed by that Person or which are otherwise that Person’s legal
liability), and (vii) all guarantees by that Person of or with respect to Debt of others (other
than endorsements in the ordinary course of business), in each case to the extent of the Debt
guaranteed.

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

          “Depositary” means, with respect to the Securities of any series issuable or issued in whole
or in part in global form, the Person specified pursuant to Section 2.01 hereof as the

2

 

initial Depositary with respect to the Securities of that series, until a successor shall have been
appointed and become such pursuant to the applicable provision of this Indenture, and thereafter
“Depositary” shall mean or include that successor.

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

          “Exchange Act” means the Securities Exchange Act of 1934, as amended, and any successor
statute.

          “GAAP” means generally accepted accounting principles in the United States as in effect from
time to time set forth in the opinions and pronouncements of the Accounting Principles Board and
the American Institute of Certified Public Accountants and the statements and pronouncements of the
Financial Accounting Standards Board or in such other statements by such other entity as may be
approved by a significant segment of the accounting profession of the United States, which are
applicable to the circumstances as of the date of determination.

          “Global Security” of any series means a Security of that Series that is issued in global form
in the name of the Depositary with respect thereto or its nominee.

          “Government Obligations” means, with respect to a series of Securities, direct obligations of
the government that issues the currency in which the Securities of the series are payable for the
payment of which the full faith and credit of that government is pledged, or obligations of a
Person controlled or supervised by and acting as an agency or instrumentality of that government,
the payment of which is unconditionally guaranteed as a full faith and credit obligation by that
government.

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

          “Indenture” means this Indenture as amended or supplemented from time to time pursuant to the
provisions hereof, and includes the terms of a particular series of Securities established as
contemplated by Section 2.01.

          “interest” means, with respect to an Original Issue Discount Security that by its terms bears
interest only after Maturity, interest payable after Maturity.

          “Interest Payment Date,” when used with respect to any Security, shall have the meaning
assigned to that term in the Security as contemplated by Section 2.01.

          “Issue Date” means, with respect to Securities of a series, the date on which the Securities
of that series are originally issued under this Indenture.

          “Legal Holiday” means a Saturday, a Sunday or a day on which banking institutions in any of
The City of New York, New York, Midland, Texas or a Place of Payment are authorized or obligated by
law, regulation or executive order to remain closed.

3

 

          “Maturity” means, with respect to any Security, the date on which the principal of that
Security or an installment of principal becomes due and payable as therein or herein provided,
whether at the Stated Maturity thereof, or by declaration of acceleration, call for redemption or
otherwise.

          “Officer” means the Chairman of the Board, the President, any Vice President, the Chief
Financial Officer, the Treasurer, any Assistant Treasurer, the Controller, the Secretary or any
Assistant Secretary of a Person.

          “Officers’ Certificate” means a certificate signed by two Officers of a Person.

          “Opinion of Counsel” means a written opinion from legal counsel who is reasonably acceptable
to the Trustee. That counsel may be an employee of or counsel to the Company or the Trustee.

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

          “Person” means any individual, corporation, partnership, limited liability company, joint
venture, incorporated or unincorporated association, joint stock company, trust, unincorporated
organization or government or other agency or political subdivision thereof or other entity of any
kind.

          “Place of Payment” means, with respect to the Securities of any series, the place or places
where, subject to the provisions of Section 4.02, the principal of, premium (if any) on and
interest on the Securities of that series are payable as specified in accordance with Section 2.01.

          “principal” of a Security means the principal of the Security plus, when appropriate, the
premium, if any, on the Security.

          “Redemption Date” means, with respect to any Security to be redeemed, the date fixed for that
redemption by or pursuant to this Indenture.

          “Redemption Price” means, with respect to any Security to be redeemed, the price at which it
is to be redeemed pursuant to this Indenture.

          “Rule 144A Securities” means Securities of a series designated pursuant to Section 2.01 as
entitled to the benefits of Section 4.03(b).

          “SEC” means the Securities and Exchange Commission.

          “Securities” has the meaning stated in the preamble of this Indenture and more particularly
means any Securities authenticated and delivered under this Indenture.

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          “Security Custodian” means, with respect to Securities of a series issued in global form, the
Trustee for Securities of that series, as custodian with respect to the Securities of that series,
or any successor entity thereto.

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

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

          “Trust Officer” means any officer or assistant officer of the Trustee assigned by the Trustee
to administer its corporate trust matters.

          “Trustee” means the Person named as such above until a successor replaces it in accordance
with the applicable provisions of this Indenture, and thereafter “Trustee” means each Person who is
then a Trustee hereunder, and if at any time there is more than one such Person, “Trustee” as used
with respect to the Securities of any series means the Trustee with respect to Securities of that
series.

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

          “United States Alien” means any Person who, for United States federal income tax purposes, is
a foreign corporation, a nonresident alien individual, a nonresident alien or foreign fiduciary of
an estate or trust, or a foreign partnership.

          “U.S. Government Obligations” means Government Obligations with respect to Securities payable
in Dollars.

SECTION 1.02 Other Definitions.

	 	 	 	 	 
	 	 	Defined
	Term	 	in Section
	“Agent Members”

	 	 	2.17	 
	“Bankruptcy Custodian”

	 	 	6.01	 
	“Conversion Event”

	 	 	6.01	 
	“covenant defeasance”

	 	 	8.01	 
	“Event of Default”

	 	 	6.01	 
	“Exchange Rate”

	 	 	2.11	 
	“Judgment Currency”

	 	 	6.10	 
	“legal defeasance”

	 	 	8.01	 
	“mandatory sinking fund payment”

	 	 	3.09	 
	“optional sinking fund payment”

	 	 	3.09	 

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	 	 	Defined
	Term	 	in Section
	“Paying Agent”

	 	 	2.05	 
	“Registrar”

	 	 	2.05	 
	“Required Currency”

	 	 	6.10	 
	“Successor”

	 	 	5.01	 

SECTION 1.03 Incorporation by Reference of Trust Indenture Act.

          Whenever this Indenture refers to a provision of the TIA, the provision is incorporated by
reference in and made a part of this Indenture. The following TIA terms used in this Indenture
have the following meanings:

          “Commission” means the SEC.

          “indenture securities” means the Securities.

          “indenture security holder” means a Holder.

          “indenture to be qualified” means this Indenture.

          “indenture trustee” or “institutional trustee” means the Trustee.

          “obligor” on the indenture securities means the Company or any other obligor on the
Securities.

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

SECTION
1.04 Rules of Construction.

          Unless the context otherwise requires:

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

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

          (3) “or” is not exclusive;

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

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

          (6) all references in this instrument to Articles and Sections are references to the
corresponding Articles and Sections in and of this instrument.

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ARTICLE II

THE SECURITIES

SECTION 2.01 Amount Unlimited; Issuable in Series.

          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. There shall be established in or pursuant
to a Board Resolution, and set forth, or determined in a manner provided, in an Officers’
Certificate or in a Company Order, or established in one or more indentures supplemental hereto,
prior to the issuance of Securities of any series:

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

     (2) if there is to be a limit, the limit on the aggregate principal amount of the
Securities of the series that may be authenticated and delivered under this Indenture
(except for Securities authenticated and delivered on registration of transfer of, or in
exchange for, or in lieu of, other Securities of the series pursuant to Section 2.08, 2.09,
2.12, 2.17, 3.07 or 9.05 and except for any Securities that, pursuant to Section 2.04 or
2.17, are deemed never to have been authenticated and delivered hereunder); provided,
however, that unless otherwise provided in the terms of the series, the authorized aggregate
principal amount of that series may be increased before or after the issuance of any
Securities of the series by a Board Resolution (or action pursuant to a Board Resolution) to
that effect;

     (3) whether any Securities of the series are to be issuable initially in temporary
global form and whether any Securities of the series are to be issuable in permanent global
form, as Global Securities or otherwise, and, if so, whether beneficial owners of interests
in any such Global Security may exchange those interests for Securities of that series and
of like tenor of any authorized form and denomination and the circumstances under which
those exchanges may occur, if other than in the manner provided in Section 2.17, and the
initial Depositary and Security Custodian, if any, for any Global Security or Securities of
that series;

     (4) (i) if other than provided herein, the Person to whom any interest on Securities of
the series shall be payable, and (ii) the manner in which any interest payable on a
temporary Global Security on any Interest Payment Date will be paid if other than in the
manner provided in Section 2.14;

     (5) the date or dates on which the principal of (and premium, if any, on) the
Securities of the series is payable or the method of determination thereof;

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     (6) the rate or rates, or the method of determination thereof, at which the Securities
of the series shall bear interest, if any, whether and under what circumstances Additional
Amounts with respect to those Securities shall be payable, the date or dates from which that
interest shall accrue, the Interest Payment Dates on which that interest shall be payable
and the record date for the interest payable on any Securities on any Interest Payment Date;

     (7) the place or places where, subject to the provisions of Section 4.02, the principal
of, premium (if any) and interest on and any Additional Amounts with respect to the
Securities of the series shall be payable;

     (8) the period or periods within which, the price or prices (whether denominated in
cash, securities or otherwise) at which and the terms and conditions on which Securities of
the series may be redeemed, in whole or in part, at the option of the Company, if the
Company is to have that option, and the manner in which the Company may exercise any such
option, if different from those set forth herein;

     (9) the obligation, if any, of the Company to redeem, purchase or repay Securities of
the series pursuant to any sinking fund or analogous provisions or at the option of a Holder
thereof and the period or periods within which, the price or prices (whether denominated in
cash, securities or otherwise) at which and the terms and conditions on which Securities of
the series shall be redeemed, purchased or repaid in whole or in part pursuant to that
obligation;

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

     (11) if other than Dollars, the currency or currencies (including composite currencies)
or the form, including equity securities, other debt securities (including Securities),
warrants or any other securities or property of the Company or any other Person, in which
payment of the principal of, premium (if any) and interest on and any Additional Amounts
with respect to the Securities of the series shall be payable;

     (12) if the principal of, premium (if any) or interest on or any Additional Amounts
with respect to the Securities of the series are to be payable, at the election of the
Company or a Holder thereof, in a currency or currencies (including composite currencies)
other than that in which the Securities are stated to be payable, the currency or currencies
(including composite currencies) in which payment of the principal, premium (if any),
interest and any Additional Amounts with respect to Securities of that series as to which
that election is made shall be payable, and the periods within which and the terms and
conditions on which that election is to be made;

     (13) if the amount of payments of principal, premium (if any), interest and any
Additional Amounts with respect to the Securities of the series may be determined with
reference to any commodities, currencies or indices, values, rates or prices or any other
index or formula, the manner in which those amounts shall be determined;

8

 

     (14) if other than the entire principal amount thereof, the portion of the principal
amount of Securities of the series that shall be payable on declaration of acceleration of
the Maturity thereof pursuant to Section 6.02;

     (15) any additional means of satisfaction and discharge of this Indenture and any
additional conditions or limitations to discharge with respect to Securities of the series
pursuant to Article VIII or any modifications of or deletions from those conditions or
limitations;

     (16) any deletions or modifications of or additions to the Events of Default set forth
in Section 6.01 or covenants of the Company set forth in Article IV pertaining to the
Securities of the series;

     (17) any restrictions or other provisions with respect to the transfer or exchange of
Securities of the series, which may amend, supplement, modify or supersede those contained
in this Article II;

     (18) if the Securities of the series are to be convertible into or exchangeable for
Capital Stock, other debt securities (including Securities), warrants, other equity
securities or any other securities or property of the Company or any other Person, at the
option of the Company or the Holder or on the occurrence of any condition or event, the
terms and conditions for that conversion or exchange;

     (19) if the Securities of the series are to be entitled to the benefit of Section
4.03(b) (and accordingly constitute Rule 144A Securities); and

     (20) any other terms of the series (which terms shall not be prohibited by the
provisions of this Indenture).

          All Securities of any one series shall be substantially identical except as to denomination
and except as may otherwise be provided in or pursuant to the Board Resolution referred to above
and (subject to Section 2.03) set forth, or determined in the manner provided, in the Officers’
Certificate or Company Order referred to above or in any such indenture supplemental hereto.

          If any of the terms of the series are established by action taken pursuant to a Board
Resolution, a copy of an appropriate record of that action together with that Board Resolution
shall be set forth in an Officers’ Certificate or 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 or Company Order setting forth the terms of the series.

SECTION 2.02 Denominations.

          The Securities of each series shall be issuable in such denominations as shall be specified as
contemplated by Section 2.01. In the absence of any such provisions with respect to

9

 

the Securities of any series, the Securities of that series denominated in Dollars shall be
issuable in denominations of $1,000 and any integral multiples thereof.

SECTION 2.03 Forms Generally.

          The Securities of each series shall be in fully registered form and in substantially the form
or forms (including temporary or permanent global form) established by or pursuant to a Board
Resolution or in one or more indentures supplemental hereto. The Securities may have notations,
legends or endorsements required by law, securities exchange rule, the Company’s certificate of
incorporation, bylaws or other similar governing documents, agreements to which the Company is
subject, if any, or usage (provided that any such notation, legend or endorsement is in a form
acceptable to the Company). A copy of the Board Resolution establishing the form or forms of
Securities of any series shall be delivered to the Trustee at or prior to the delivery of the
Company Order contemplated by Section 2.04 for the authentication and delivery of those Securities.

          The definitive Securities of each series shall be printed, lithographed or engraved on steel
engraved borders or may be produced in any other manner, all as determined by the Officers
executing those Securities, as evidenced by their execution thereof.

          The Trustee’s certificate of authentication shall be in substantially the following form:

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

	 	 	 
	 

	 	[                                                            ], as Trustee
	 
	 	 
	 

	 	By:
	 

	 	 
	 

	 	               Authorized Officer”.

SECTION 2.04 Execution, Authentication, Delivery and Dating.

          Two Officers of the Company shall sign the Securities of each series on behalf of the Company
by manual or facsimile signature. If an Officer of the Company whose signature is on a Security no
longer holds that office at the time the Security is authenticated, the Security shall be valid
nevertheless.

          A Security shall not be entitled to any benefit under this Indenture or be valid or obligatory
for any purpose until authenticated by the manual signature of an authorized signatory of the
Trustee, which signature shall be conclusive evidence that the Security has been authenticated
under this Indenture. Notwithstanding the foregoing, if any Security has been authenticated and
delivered hereunder but never issued and sold by the Company, and the Company delivers that
Security to the Trustee for cancellation as provided in Section 2.13 together with a written
statement (which need not comply with Section 10.05 and need not be accompanied by an Opinion of
Counsel) stating that such Security has never been issued and

10

 

sold by the Company, for all purposes of this Indenture that Security shall be deemed never to have
been authenticated and delivered hereunder and shall never be 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, and the Trustee shall authenticate and deliver those Securities for original issue
on a Company Order for the authentication and delivery of those Securities or pursuant to such
procedures reasonably acceptable to the Trustee as may be specified from time to time by Company
Order. That order shall specify the amount of the Securities to be authenticated, the date on
which the original issue of Securities is to be authenticated, the name or names of the initial
Holder or Holders and any other terms of the Securities of that series not otherwise determined.
If provided for in those procedures, that Company Order may authorize (1) authentication and
delivery of Securities of that series for original issue from time to time, with certain terms
(including, without limitation, the Maturity date or dates, original issue date or dates and
interest rate or rates) that differ from Security to Security and (2) may authorize authentication
and delivery pursuant to oral or electronic instructions from the Company or its duly authorized
agent, which instructions shall be promptly confirmed in writing.

          If the form or terms of the Securities of the series have been established in or pursuant to
one or more Board Resolutions as permitted by Section 2.01, in authenticating those Securities, and
accepting the additional responsibilities under this Indenture in relation to those Securities, the
Trustee shall be entitled to receive (in addition to the Company Order referred to above and the
other documents required by Section 10.04), and (subject to Section 7.01) shall be fully protected
in relying on,

          (a) an Officers’ Certificate setting forth the Board Resolution and, if applicable, an
appropriate record of any action taken pursuant thereto, as contemplated by the last paragraph of
Section 2.01; and

          (b) an Opinion of Counsel to the effect that:

	 	(i)	 	if the form of those Securities has been
established by or pursuant to Board Resolution, as is permitted by
Section 2.01, that such form has been established in conformity with
the provisions of this Indenture;
	 
	 	(ii)	 	if the terms of those Securities have been
established by or pursuant to Board Resolution, as is permitted by
Section 2.01, that such terms have been established in conformity with
the provisions of this Indenture; and
	 
	 	(iii)	 	those Securities, when authenticated and
delivered by the Trustee and issued by the Company in the manner and
subject to any conditions specified in that Opinion of Counsel, will
constitute valid and binding obligations of the Company, enforceable
against

11

 

	 	 	 	the Company in accordance with their terms, except as the
enforceability thereof may be limited by applicable bankruptcy,
insolvency, reorganization, moratorium, fraudulent conveyance or
other similar laws in effect from time to time affecting the rights
of creditors generally, and the application of general principles of
equity (regardless of whether that enforceability is considered in a
proceeding in equity or at law).

          If all the Securities of any series are not to be issued at one time, it shall not be
necessary to deliver an Officers’ Certificate and Opinion of Counsel at the time of issuance of
each such Security, but that Officers’ Certificate and Opinion of Counsel shall be delivered at or
before the time of issuance of the first Security of the series to be issued.

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

          The Trustee may appoint an authenticating agent acceptable to the Company to authenticate
Securities. Unless limited by the terms of that appointment, an authenticating agent may
authenticate Securities whenever the Trustee may do so. Each reference in this Indenture to
authentication by the Trustee includes authentication by that agent. An authenticating agent has
the same rights as an Agent to deal with the Company or an Affiliate of the Company.

          Each Security shall be dated the date of its authentication.

SECTION 2.05 Registrar and Paying Agent.

          The Company shall maintain an office or agency for each series of Securities where Securities
of that series may be presented for registration of transfer or exchange (“Registrar”) and an
office or agency where Securities of that series may be presented for payment (“Paying Agent”).
The Registrar shall keep a register of the Securities of that series and of their transfer and
exchange. The Company may appoint one or more co-registrars and one or more additional paying
agents. The term “Registrar” includes any co-registrar, and the term “Paying Agent” includes any
additional paying agent.

          The Company shall enter into an appropriate agency agreement with any Registrar or Paying
Agent not a party to this Indenture. The agreement shall implement the provisions of this
Indenture that relate to that Agent. The Company shall notify the Trustee of the name and address
of any Agent not a party to this Indenture. The Company may change any Paying Agent or Registrar
without notice to any Holder. If the Company fails to appoint or maintain another entity as
Registrar or Paying Agent, the Trustee shall act as such. The Company or any of its Subsidiaries
may act as Paying Agent or Registrar.

          The Company initially appoints the Trustee as Registrar and Paying Agent.

12

 

SECTION 2.06 Paying Agent to Hold Money in Trust.

          With respect to each series of Securities, the Company shall require each Paying Agent other
than the Trustee to agree in writing that the Paying Agent will hold in trust for the benefit of
Holders of Securities of that series or the Trustee all money held by the Paying Agent for the
payment of principal of, premium, if any, or interest on or any Additional Amounts with respect to
Securities of that series and will notify the Trustee of any default by the Company in making any
such payment. While any such default continues, the Trustee may require a Paying Agent to pay all
money held by it to the Trustee and to account for any funds disbursed. The Company at any time
may require a Paying Agent to pay all money held by it to the Trustee and to account for any funds
disbursed. Upon payment over to the Trustee and upon accounting for any funds disbursed, the
Paying Agent (if other than the Company) shall have no further liability for the money. If the
Company acts as Paying Agent with respect to a series of Securities, it shall segregate and hold in
a separate trust fund for the benefit of the Holders of Securities of that series all money held by
it as Paying Agent. Each Paying Agent shall otherwise comply with TIA § 317(b).

SECTION 2.07 Holder Lists.

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

SECTION 2.08 Transfer and Exchange.

          Except as set forth in Section 2.17 or as may be provided pursuant to Section 2.01, when
Securities of any series are presented to the Registrar with the request to register the transfer
of those Securities or to exchange those Securities for an equal principal amount of Securities of
the same series of like tenor and of other authorized denominations, the Registrar shall register
the transfer or make the exchange as requested if its requirements and the requirements of this
Indenture for those transactions are met; provided, however, that the Securities presented or
surrendered for registration of transfer or exchange shall be duly endorsed or accompanied by a
written instruction of transfer in form reasonably satisfactory to the Registrar duly executed by
the Holder thereof or by his attorney, duly authorized in writing, on which instruction the
Registrar can rely.

          To permit registrations of transfers and exchanges, the Company shall execute and the Trustee
shall authenticate Securities at the Registrar’s written request and submission of the Securities
(other than Global Securities). No service charge shall be made to a Holder for any registration
of transfer or exchange (except as otherwise expressly permitted herein), but the Company may
require payment of a sum sufficient to cover any transfer tax or similar

13

 

governmental charge payable in connection therewith (other than such transfer tax or similar
governmental charge payable on exchanges pursuant to Section 2.12, 3.07 or 9.05). The Trustee shall
authenticate Securities in accordance with the provisions of Section 2.04. Notwithstanding any
other provisions of this Indenture to the contrary, the Company shall not be required to register
the transfer or exchange of (a) any Security selected for redemption in whole or in part pursuant
to Article III, except the unredeemed portion of any Security being redeemed in part or (b) any
Security during the period beginning 15 Business Days before the mailing of notice of any offer to
repurchase Securities of the series required pursuant to the terms thereof or of redemption of
Securities of a series to be redeemed and ending at the close of business on the date of mailing.

SECTION 2.09 Replacement Securities.

          If any mutilated Security is surrendered to the Trustee, or if the Holder of a Security claims
that the Security has been destroyed, lost or stolen and the Company and the Trustee receive
evidence to their satisfaction of the destruction, loss or theft of that Security, the Company
shall issue and the Trustee shall authenticate a replacement Security of the same series if the
Trustee’s requirements are met. If any such mutilated, destroyed, lost or stolen Security has
become or is about to become due and payable, the Company in its discretion may, instead of issuing
a new Security, pay that Security. If required by the Trustee or the Company, the Holder must
furnish an indemnity bond that is sufficient in the judgment of the Trustee and the Company to
protect the Company, the Trustee, any Agent or any authenticating agent from any loss that any of
them may suffer if a Security is replaced. The Company and the Trustee may charge the Holder for
their expenses in replacing a Security.

          Every replacement Security is an additional obligation of the Company.

SECTION 2.10 Outstanding Securities.

          The Securities outstanding at any time are all the Securities authenticated by the Trustee
except for those canceled by it, those delivered to it for cancellation, those reductions in the
interest in a Global Security effected by the Trustee hereunder and those described in this Section
2.10 as not outstanding.

          If a Security is replaced pursuant to Section 2.09, it ceases to be outstanding unless the
Trustee receives proof satisfactory to it that the replaced Security is held by a bona fide
purchaser.

          If the principal amount of any Security is considered paid under Section 4.01, it ceases to be
outstanding and interest on it ceases to accrue.

          A Security does not cease to be outstanding because the Company or an Affiliate of the Company
holds the Security.

SECTION 2.11 Original Issue Discount, Foreign-Currency Denominated and Treasury Securities.

14

 

          In determining whether the Holders of the required principal amount of Securities have
concurred in any direction, amendment, supplement, waiver or consent, (a) the principal amount of
an Original Issue Discount Security shall be the principal amount thereof that would be due and
payable as of the date of that determination upon acceleration of the Maturity thereof pursuant to
Section 6.02, (b) the principal amount of a Security denominated in a foreign currency shall be the
Dollar equivalent, as determined by the Company by reference to the noon buying rate in The City of
New York for cable transfers for that currency, as that rate is certified for customs purposes by
the Federal Reserve Bank of New York (the “Exchange Rate”) on the date of original issuance of that
Security, of the principal amount (or, in the case of an Original Issue Discount Security, the
Dollar equivalent, as determined by the Company by reference to the Exchange Rate on the date of
original issuance of that Security, of the amount determined as provided in (a) above), of that
Security and (c) Securities owned by the Company or any other obligor on the Securities or any
Affiliate of the Company or of that other obligor shall be disregarded, except that, for the
purpose of determining whether the Trustee shall be protected in relying on any such direction,
amendment, supplement, waiver or consent, only Securities that the Trustee actually knows are so
owned shall be so disregarded.

SECTION 2.12 Temporary Securities.

          Until definitive Securities of any series are ready for delivery, the Company may prepare and
the Trustee shall authenticate temporary Securities. Temporary Securities shall be substantially
in the form of definitive Securities, but may have variations that the Company considers
appropriate for temporary Securities. Without unreasonable delay, the Company shall prepare and
the Trustee shall authenticate definitive Securities in exchange for temporary Securities. Until
so exchanged, the temporary Securities shall in all respects be entitled to the same benefits under
this Indenture as definitive Securities.

SECTION 2.13 Cancellation.

          The Company at any time may deliver Securities to the Trustee for cancellation. The Registrar
and the Paying Agent shall forward to the Trustee any Securities surrendered to them for
registration of transfer, exchange, payment or redemption or for credit against any sinking fund
payment. The Trustee shall cancel all Securities surrendered for registration of transfer,
exchange, payment, redemption, replacement or cancellation or for credit against any sinking fund.
Unless the Company shall direct in writing that canceled Securities be returned to it, after
written notice to the Company all canceled Securities held by the Trustee shall be disposed of in
accordance with the usual disposal procedures of the Trustee, and the Trustee shall maintain a
record of their disposal. The Company may not issue new Securities to replace Securities that have
been paid or that have been delivered to the Trustee for cancellation.

SECTION 2.14 Payments; Defaulted Interest.

          Unless otherwise provided as contemplated by Section 2.01 with respect to the Securities of
any series, interest (except defaulted interest) on any Security that is payable, and is punctually
paid or duly provided for, on any Interest Payment Date shall be paid to the Persons

15

 

who are registered Holders of that Security at the close of business on the record date next
preceding that Interest Payment Date, even if those Securities are canceled after that record date
and on or before that Interest Payment Date. The Holder must surrender a Security to a Paying
Agent to collect principal payments. Unless otherwise provided with respect to the Securities of
any series, the Company will pay the principal of, premium (if any) and interest on and any
Additional Amounts with respect to the Securities in Dollars. Those amounts shall be payable at
the offices of the Trustee, provided that at the option of the Company, the Company may pay those
amounts (1) by wire transfer with respect to Global Securities or (2) by check payable in that
money mailed to a Holder’s registered address with respect to any Securities.

          If the Company defaults in a payment of interest on the Securities of any series, it shall pay
the defaulted interest in any lawful manner plus, to the extent lawful, interest on the defaulted
interest, in each case at the rate provided in the Securities of that series and in Section 4.01.
The Company may pay the defaulted interest to the Persons who are Holders on a subsequent special
record date. At least 15 days before any special record date selected by the Company, the Company
(or the Trustee, in the name of and at the expense of the Company upon 20 days’ prior written
notice from the Company setting forth that record date and the interest amount to be paid) shall
mail to Holders of any such series of Securities a notice that states the special record date, the
related payment date and the amount of that interest to be paid.

SECTION 2.15 Persons Deemed Owners.

          The Company, the Trustee, any Agent and any authenticating agent may treat the Person in whose
name any Security is registered as the owner of that Security for the purpose of receiving payments
of principal of, premium (if any) or interest on, or any Additional Amounts with respect to that
Security and for all other purposes. None of the Company, the Trustee, any Agent or any
authenticating agent shall be affected by any notice to the contrary.

SECTION 2.16 Computation of Interest.

          Except as otherwise specified as contemplated by Section 2.01 for Securities of any series,
interest on the Securities of each series shall be computed on the basis of a year comprising
twelve 30-day months.

SECTION 2.17 Global Securities; Book-Entry Provisions.

          If Securities of a series are issuable in global form as a Global Security, as contemplated by
Section 2.01, then, notwithstanding clause (10) of Section 2.01 and the provisions of Section 2.02,
any such Global Security shall represent those of the outstanding Securities of that series as
shall be specified therein and may provide that it shall represent the aggregate amount of
outstanding Securities from time to time endorsed thereon and that the aggregate amount of
outstanding Securities represented thereby may from time to time be reduced or increased, as
appropriate, to reflect exchanges or redemptions. Any endorsement of a Global Security to reflect
the amount, or any increase or decrease in the amount, of outstanding Securities represented
thereby shall be made by the Trustee (i) in such manner and upon instructions given by such Person
or Persons as shall be specified in that Security or in a

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Company Order to be delivered to the Trustee pursuant to Section 2.04 or (ii) otherwise in
accordance with written instructions or such other written form of instructions as is customary for
the Depositary for that Security, from that Depositary or its nominee on behalf of any Person
having a beneficial interest in that Global Security. Subject to the provisions of Section 2.04
and, if applicable, Section 2.12, the Trustee shall deliver and redeliver any Security in permanent
global form in the manner and upon instructions given by the Person or Persons specified in that
Security or in the applicable Company Order. With respect to the Securities of any series that are
represented by a Global Security, the Company authorizes the execution and delivery by the Trustee
of a letter of representations or other similar agreement or instrument in the form customarily
provided for by the Depositary appointed with respect to that Global Security. Any Global Security
may be deposited with the Depositary or its nominee, or may remain in the custody of the Trustee or
the Security Custodian therefor pursuant to a FAST Balance Certificate Agreement or similar
agreement between the Trustee and the Depositary. If a Company Order has been, or simultaneously
is, delivered, any instructions by the Company with respect to endorsement or delivery or
redelivery of a Security in global form shall be in writing but need not comply with Section 10.05
and need not be accompanied by an Opinion of Counsel.

          Members of, or participants in, the Depositary (“Agent Members”) shall have no rights under
this Indenture with respect to any Global Security held on their behalf by the Depositary, or the
Trustee or the Security Custodian as its custodian, or under that Global Security, and the
Depositary may be treated by the Company, the Trustee or the Security Custodian and any agent of
the Company, the Trustee or the Security Custodian as the absolute owner of that Global Security
for all purposes whatsoever. Notwithstanding the foregoing, (i) the registered holder of a Global
Security of any series may grant proxies and otherwise authorize any Person, including Agent
Members and Persons that may hold interests through Agent Members, to take any action that a Holder
of Securities of that series is entitled to take under this Indenture or the Securities of that
series and (ii) nothing herein shall prevent the Company, the Trustee or the Security Custodian or
any agent of the Company, the Trustee, or the Security Custodian from giving effect to any written
certification, proxy or other authorization furnished by the Depositary or shall impair, as between
the Depositary and its Agent Members, the operation of customary practices governing the exercise
of the rights of a beneficial owner of any Security.

          Notwithstanding Section 2.08, and except as otherwise provided pursuant to Section 2.01,
transfers of a Global Security shall be limited to transfers of that Global Security in whole, but
not in part, to the Depositary, its successors or their respective nominees. Interests of
beneficial owners in a Global Security may be transferred in accordance with the rules and
procedures of the Depositary. Securities of any series shall be transferred to all beneficial
owners of a Global Security of that series in exchange for their beneficial interests in that
Global Security if, and only if, either (1) the Depositary notifies the Company that it is
unwilling or unable to continue as Depositary for that Global Security and a successor Depositary
is not appointed by the Company within 90 days of that notice, (2) an Event of Default has occurred
with respect to that series and is continuing and the Registrar has received a request from the
Depositary to issue Securities of that series in lieu of all or a portion of that Global Security
(in which case the Company shall deliver Securities of that series within 30 days of that request)
or

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(3) the Company determines not to have the Securities of that series represented by a Global
Security.

          In connection with any transfer of a portion of the beneficial interests in a Global Security
to beneficial owners pursuant to this Section 2.17, the Registrar shall reflect on its books and
records the date and a decrease in the principal amount of the Global Security in an amount equal
to the principal amount of the beneficial interest in the Global Security to be transferred, and
the Company shall execute, and the Trustee on receipt of a Company Order for the authentication and
delivery of Securities shall authenticate and deliver, one or more Securities of the same series of
like tenor and amount.

          In connection with the transfer of all the beneficial interests in a Global Security of any
series to beneficial owners pursuant to this Section 2.17, the Global Security shall be deemed to
be surrendered to the Trustee for cancellation, and the Company shall execute, and the Trustee
shall authenticate and deliver, to each beneficial owner identified by the Depositary in exchange
for its beneficial interest in the Global Security, an equal aggregate principal amount of
Securities of that series of authorized denominations.

          Neither the Company nor the Trustee will have any responsibility or liability for any aspect
of the records relating to, or payments made on account of, Securities by the Depositary, or for
maintaining, supervising or reviewing any records of the Depositary relating to those Securities.
Neither the Company nor the Trustee shall be liable for any delay by the related Global Security
Holder or the Depositary in identifying the beneficial owners, and each such Person may
conclusively rely on, and shall be protected in relying on, instructions from that Global Security
Holder or the Depositary for all purposes (including with respect to the registration and delivery,
and the respective principal amounts, of the Securities to be issued).

          The provisions of the last sentence of the third paragraph of Section 2.04 shall apply to any
Global Security if that Global Security was never issued and sold by the Company and the Company
delivers to the Trustee the Global Security together with written instructions (which need not
comply with Section 10.05 and need not be accompanied by an Opinion of Counsel) with regard to the
cancellation or reduction in the principal amount of Securities represented thereby, together with
the written statement contemplated by the last sentence of the third paragraph of Section 2.04.

          Notwithstanding the provisions of Sections 2.03 and 2.14, unless otherwise specified as
contemplated by Section 2.01 with respect to Securities of any series, payment of principal of and
premium (if any) and interest on and any Additional Amounts with respect to any Global Security
shall be made to the Person or Persons specified therein.

          The Company in issuing Securities of any series may use CUSIP numbers (if then generally in
use), and, if so, the Trustee shall use CUSIP numbers in notices of redemption as a convenience to
Holders of Securities of such series; provided that any such notice may state that no
representation is made as to the correctness of such numbers either as printed on the Securities of
such series or as contained in any notice of a redemption and that reliance may be placed only on
the other identification numbers printed on the Securities of such series, and any

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such redemption shall not be affected by any defect in or omission of such numbers. The Company
will promptly notify the Trustee in writing of any change in the CUSIP numbers.

          Notwithstanding anything herein to the contrary, delivery or surrender of a Security shall not
be required in the case of Global Securities in order to obtain the rights and benefits provided
hereunder upon the delivery or surrender of a Security.

ARTICLE III

REDEMPTION

SECTION 3.01 Applicability of Article.

          Securities of any series that are redeemable before their Stated Maturity shall be redeemable
in accordance with their terms and (except as otherwise specified as contemplated by Section 2.01
for Securities of any series) in accordance with this Article III.

SECTION 3.02 Notice to the Trustee.

          If the Company elects to redeem Securities of any series pursuant to this Indenture, it shall
notify the Trustee of the Redemption Date and principal amount of Securities of that series to be
redeemed. The Company shall so notify the Trustee at least 45 days before the Redemption Date
(unless a shorter notice shall be satisfactory to the Trustee) by delivering to the Trustee an
Officers’ Certificate stating that the redemption will comply with the provisions of this Indenture
and of the Securities of that series. Any such notice may be canceled at any time prior to the
mailing of that notice of redemption to any Holder of the Securities of that series and shall
thereupon be void and of no effect.

SECTION 3.03 Selection of Securities To Be Redeemed.

          If less than all the Securities of any series are to be redeemed (unless all of the Securities
of that series of a specified tenor are to be redeemed), the particular Securities to be redeemed
shall be selected not more than 60 days prior to the Redemption Date by the Trustee, from the
outstanding Securities of that series (and tenor) not previously called for redemption, either pro
rata, by lot or by such other method as the Trustee shall deem fair and appropriate. That
redemption may provide for the selection for redemption of portions (equal to the minimum
authorized denomination for Securities of that series or any integral multiple thereof) of the
principal amount of Securities of that series of a denomination larger than the minimum authorized
denomination for Securities of that series or of the principal amount of Global Securities of that
series.

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

          For purposes of this Indenture, unless the context otherwise requires, all provisions relating
to redemption of Securities of any series shall relate, in the case of any of the

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Securities redeemed or to be redeemed only in part, to the portion of the principal amount thereof
which has been or is to be redeemed.

SECTION 3.04 Notice of Redemption.

          Notice of redemption shall be given by first-class mail, postage prepaid, mailed not less than
30 (or not less than 15 days in the case of convertible Securities) nor more than 60 days prior to
the Redemption Date, to each Holder of Securities of a series to be redeemed, at the address of
that Holder appearing in the register of Securities for that series maintained by the Registrar.

          All notices of redemption shall identify the Securities to be redeemed and shall state:

     (1) the Redemption Date;

     (2) the Redemption Price (or the method of calculating or determining the Redemption
Price);

     (3) that, unless the Company defaults in making the redemption payment, interest on
Securities called for redemption ceases to accrue on and after the Redemption Date, and the
only remaining right of the Holders of those Securities is to receive payment of the
Redemption Price on surrender to the Paying Agent of the Securities redeemed;

     (4) if any Security is to be redeemed in part, the portion of the principal amount
thereof to be redeemed and that on and after the Redemption Date, on surrender for
cancellation of that Security to the Paying Agent, a new Security or Securities in the
aggregate principal amount equal to the unredeemed portion thereof will be issued without
charge to the Holder;

     (5) that Securities called for redemption must be surrendered to the Paying Agent to
collect the Redemption Price and the name and address of the Paying Agent;

     (6) that the redemption is for a sinking or analogous fund, if that is the case;

     (7) if such Securities are convertible into or exchangeable for capital stock, other
debt securities (including Securities), warrants, other equity securities or any securities
or property of the Company or any other Person, the name and address of the conversion or
exchange agent, the date on which the right to convert or exchange is terminated and the
conversion or exchange rate; and

     (8) the CUSIP number, if any, relating to those Securities.

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

SECTION 3.05 Effect of Notice of Redemption.

          Once notice of redemption is mailed, Securities called for redemption become due and payable
on the Redemption Date and at the Redemption Price. Upon surrender to the Paying Agent, those
Securities called for redemption shall be paid at the Redemption Price, but interest installments
whose maturity is on or prior to that Redemption Date will be payable on the relevant Interest
Payment Dates to the Holders of record at the close of business on the relevant record dates
specified pursuant to Section 2.01.

SECTION 3.06 Deposit of Redemption Price.

          On or prior to any Redemption Date, the Company shall deposit with the Trustee or the Paying
Agent (or, if the Company is acting as its own Paying Agent, segregate and hold in trust as
provided in Section 2.06) an amount of money in same day funds sufficient to pay the Redemption
Price of, and (except if the Redemption Date shall be an Interest Payment Date) accrued interest on
and any Additional Amounts with respect to, the Securities or portions thereof which are to be
redeemed on that date, other than Securities or portions thereof called for redemption on that date
which have been delivered by the Company to the Trustee for cancellation.

          If the Company complies with the preceding paragraph, then, unless the Company defaults in the
payment of that Redemption Price, interest on the Securities to be redeemed will cease to accrue on
and after the applicable Redemption Date, whether or not those Securities are presented for
payment, and the Holders of those Securities shall have no further rights with respect to those
Securities except for the right to receive the Redemption Price on surrender of those Securities.
If any Security called for redemption shall not be so paid on surrender thereof for redemption, the
principal of and premium, if any, any Additional Amounts, and, to the extent lawful, accrued
interest thereon shall, until paid, bear interest from the Redemption Date at the rate specified
pursuant to Section 2.01 or provided in the Securities or, in the case of Original Issue Discount
Securities, their initial yield to maturity.

SECTION 3.07 Securities Redeemed or Purchased in Part.

          Upon surrender to the Paying Agent of a Security to be redeemed in part, the Company shall
execute and the Trustee shall authenticate and deliver to the Holder of that Security without
service charge a new Security or Securities, of the same series and of any authorized denomination
as requested by that Holder in aggregate principal amount equal to, and in exchange for, the
unredeemed portion of the principal of the Security so surrendered that is not redeemed.

SECTION 3.08 Purchase of Securities.

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          Unless otherwise specified as contemplated by Section 2.01, the Company and any Affiliate of
the Company may at any time purchase or otherwise acquire Securities in the open market or by
private agreement. Any such acquisition shall not operate as or be deemed for any purpose to be a
redemption of the indebtedness represented by those Securities. Any Securities purchased or
acquired by the Company may be delivered to the Trustee for cancellation and, on that cancellation,
the indebtedness represented thereby shall be deemed to be satisfied. Section 2.13 shall apply to
all Securities so delivered.

SECTION 3.09 Mandatory and Optional Sinking Funds.

          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
the minimum amount provided for by the terms of Securities of any series is herein referred to as
an “optional sinking fund payment.” Unless otherwise provided 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 3.10. Each sinking fund payment shall be applied to the redemption of Securities of any
series as provided for by the terms of Securities of that series and by this Article III.

SECTION 3.10 Satisfaction of Sinking Fund Payments with Securities.

          The Company may deliver outstanding Securities of a series (other than any previously called
for redemption) and 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 those Securities or through the application of
permitted optional sinking fund payments pursuant to the terms of those Securities, in each case in
satisfaction of all or any part of any sinking fund payment with respect to the Securities of that
series required to be made pursuant to the terms of that series of Securities; provided that those
Securities have not been previously so credited. Those Securities shall be received and credited
for that purpose by the Trustee at the Redemption Price specified in those Securities for
redemption through operation of the sinking fund, and the amount of that sinking fund payment shall
be reduced accordingly.

SECTION 3.11 Redemption of Securities for Sinking Fund.

          Not less than 45 days prior (unless a shorter period shall be satisfactory to the Trustee) to
each sinking fund payment date for any series of Securities, the Company will deliver to the
Trustee an Officers’ Certificate of the Company specifying the amount of the next ensuing sinking
fund payment for that series pursuant to the terms of that series, the portion thereof, if any,
that is to be satisfied by payment of cash and the portion thereof, if any, that is to be satisfied
by delivery of or by crediting Securities of that series pursuant to Section 3.10 and will also
deliver to the Trustee any Securities to be so delivered. Failure of the Company to timely deliver
that Officers’ Certificate and Securities specified in this paragraph, if any, shall not constitute
a default but shall constitute the election of the Company (i) that the mandatory sinking fund
payment for that series due on the next succeeding sinking fund payment date shall be paid entirely
in cash without the option to deliver or credit Securities of that series in respect

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thereof and (ii) that the Company will make no optional sinking fund payment with respect to that
series as provided in this Section.

          If the sinking fund payment or payments (mandatory or optional or both) to be made in cash on
the next succeeding sinking fund payment date plus any unused balance of any preceding sinking fund
payments made in cash shall exceed $100,000 (or the Dollar equivalent thereof based on the
applicable Exchange Rate on the date of original issue of the applicable Securities) or a lesser
sum if the Company shall so request with respect to the Securities of any particular series, that
cash shall be applied on the next succeeding sinking fund payment date to the redemption of
Securities of that series at the sinking fund redemption price together with accrued interest to
the date fixed for redemption. If that amount shall be $100,000 (or the Dollar equivalent thereof
as aforesaid) or less and the Company makes no such request, then it shall be carried over until a
sum in excess of $100,000 (or the Dollar equivalent thereof as aforesaid) is available. Not less
than 30 days before each such sinking fund payment date, the Trustee shall select the Securities to
be redeemed on that sinking fund payment date in the manner specified in Section 3.03 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 3.04. That notice having been duly given, the redemption of those
Securities shall be made on the terms and in the manner stated in Sections 3.05, 3.06 and 3.07.

ARTICLE IV

COVENANTS

SECTION 4.01 Payment of Securities.

          The Company shall pay the principal of, premium (if any) and interest on and any Additional
Amounts with respect to the Securities of each series on the dates and in the manner provided in
the Securities of that series and in this Indenture. Principal, premium, interest and any
Additional Amounts shall be considered paid on the date due if the Paying Agent, other than the
Company, holds on that date money deposited by the Company designated for and sufficient to pay all
principal, premium (if any), interest and any Additional Amounts then due.

          The Company shall pay interest (including post-petition interest in any proceeding under any
Bankruptcy Law) on overdue principal of and premium (if any) on Securities of any series, at a rate
equal to the then applicable interest rate on the Securities of that series to the extent lawful;
and it shall pay interest (including post-petition interest in any proceeding under any Bankruptcy
Law) on overdue installments of interest on and any overdue payments of Additional Amounts with
respect to Securities of that series (without regard to any applicable grace period) at the same
rate to the extent lawful.

SECTION 4.02 Maintenance of Office or Agency.

          The Company will maintain in each Place of Payment for any series of Securities an office or
agency (which may be an office of the Trustee, the Registrar or the Paying Agent) where Securities
of that series may be presented for registration of transfer or exchange, where Securities of that
series may be presented for payment and where notices and demands to or on

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the Company in respect of the Securities of that series and this Indenture may be served. Unless
otherwise designated by the Company by written notice to the Trustee, that office or agency shall
be the office of the Trustee in the City of New York, which on the date hereof is located at
[____________], New York, New York [_______]. The Company will give prompt written notice to the
Trustee of the location, and any change in the location, of that office or agency. If at any time
the Company shall fail to maintain any such required office or agency or shall fail to furnish the
Trustee with the address thereof, those presentations, surrenders, notices and demands may be made
or served at the Corporate Trust Office of the Trustee.

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

SECTION 4.03 SEC Reports; Financial Statements.

          (a) The Company shall file with the Trustee, within 15 days after it files the same with the
SEC, copies of the annual reports and the information, documents and other reports (or copies of
those portions of any of the foregoing as the SEC may by rules and regulations prescribe) that the
Company is required to file with the SEC pursuant to Section 13 or 15(d) of the Exchange Act. If
this Indenture is qualified under the TIA, but not otherwise, the Company shall also comply with
the provisions of TIA § 314(a).

          (b) If the Company is not subject to the requirements of Section 13 or 15(d) of the Exchange
Act, the Company shall furnish to all Holders of Rule 144A Securities and prospective purchasers of
Rule 144A Securities designated by the Holders of Rule 144A Securities, promptly on their request,
the information required to be delivered pursuant to Rule 144A(d)(4) promulgated under the
Securities Act of 1933, as amended.

          (c) The Company intends to file the reports, information and documents referred to in Section
4.03(a) hereof with the SEC in electronic form pursuant to Regulation S-T promulgated by the SEC
using the SEC’s Electronic Data Gathering, Analysis and Retrieval (“EDGAR”) system. The Company
shall notify the Trustee in the manner prescribed herein of each such filing. The Trustee is
hereby authorized and directed to access the EDGAR system for purposes of retrieving the reports so
filed. Compliance with the foregoing shall constitute delivery by the Company of such reports to
the Trustee in compliance with the provisions of TIA Section 314(a). The Trustee shall have no
duty to search for or obtain any electronic or other filings that the Company makes with the SEC,
regardless of whether such filings are periodic, supplemental or otherwise. Delivery of the
reports, information and documents to the Trustee pursuant to this Section 4.03 shall be solely for
the purposes of compliance with this Section 4.03 and with TIA Section 314(a). The Trustee’s
receipt of such reports, information and documents shall not constitute notice to it of the content
thereof or of any matter determinable from the

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content thereof, including the Company’s compliance with any of its covenants hereunder, as to
which the Trustee is entitled to rely upon Officers’ Certificates.

SECTION 4.04 Compliance Certificate.

          (a) The Company shall deliver to the Trustee, within 120 days after the end of each fiscal
year of the Company, a statement signed by an Officer of the Company, which need not constitute an
Officers’ Certificate, complying with TIA § 314(a)(4) and stating that, in the course of
performance by the signing Officer of the Company of his or her duties as such Officer of the
Company, he or she would normally obtain knowledge of the keeping, observing, performing and
fulfilling by the Company of its obligations under this Indenture, and further stating that, to the
best of his or her knowledge, the Company has kept, observed, performed and fulfilled each and
every covenant contained in this Indenture and is not in default in the performance or observance
of any of the terms, provisions and conditions hereof (or, if a Default or Event of Default shall
have occurred, describing all such Defaults or Events of Default of which that Officer may have
knowledge and what action the Company is taking or proposes to take with respect thereto).

          (b) The Company shall, so long as Securities of any series are outstanding, deliver to the
Trustee, promptly on any Officer of the Company becoming aware of any Default or Event of Default
under this Indenture, an Officers’ Certificate specifying that Default or Event of Default and what
action the Company is taking or proposes to take with respect thereto.

SECTION 4.05 Existence.

          Subject to Article V hereof, the Company shall do or cause to be done all things necessary to
preserve and keep in full force and effect its existence.

SECTION 4.06 Waiver of Stay, Extension or Usury Laws.

          The Company covenants (to the extent that it may lawfully do so) that it will not at any time
insist on, or plead, or in any manner whatsoever claim or take the benefit or advantage of, any
stay or extension law or any usury law or other law that would prohibit or forgive the Company from
paying all or any portion of the principal of or interest on the Securities as contemplated herein,
wherever enacted, now or at any time hereafter in force, or which may affect the covenants or the
performance of this Indenture; and (to the extent that it may lawfully do so) the Company 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 4.07 Additional Amounts.

          If the Securities of a series expressly provide for the payment of Additional Amounts, the
Company will pay to the Holder of any Security of that series Additional Amounts as expressly
provided therein. Whenever in this Indenture there is mentioned, in any context, the

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payment of the principal of or any premium or interest on, or in respect of, any Security of any
series or the net proceeds received from the sale or exchange of any Security of any series, that
mention shall be deemed to include mention of the payment of Additional Amounts provided for in
this Section 4.07 to the extent that, in that context, Additional Amounts are, were or would be
payable in respect thereof pursuant to the provisions of this Section 4.07, and express mention of
the payment of Additional Amounts (if applicable) in any provisions hereof shall not be construed
as excluding Additional Amounts in those provisions hereof where that express mention is not made.

          Unless otherwise provided pursuant to Section 2.01 with respect to Securities of any series,
if the Securities of a series provide for the payment of Additional Amounts, at least ten days
prior to the first Interest Payment Date with respect to that series of Securities (or if the
Securities of that series will not bear interest prior to Maturity, the first day on which a
payment of principal and any premium is made), and at least ten days prior to each date of payment
of principal and any premium or interest if there has been any change with respect to the matters
set forth in the below-mentioned Officers’ Certificate, the Company shall furnish the Trustee and
the Company’s principal Paying Agent or Paying Agents, if other than the Trustee, with an Officers’
Certificate instructing the Trustee and such Paying Agent or Paying Agents whether that payment of
principal of and any premium or interest on the Securities of that series shall be made to Holders
of Securities of that series who are United States Aliens without withholding for or on account of
any tax, assessment or other governmental charge described in the Securities of that series. If
any such withholding shall be required, then that Officers’ Certificate shall specify by country
the amount, if any, required to be withheld on those payments to those Holders of Securities, and
the Company will pay to that Paying Agent the Additional Amounts required by this Section. The
Company covenants to indemnify the Trustee and any Paying Agent for and to hold them harmless
against any loss, liability or expense reasonably incurred without negligence or bad faith on their
part arising out of or in connection with actions taken or omitted by any of them in reliance on
any Officers’ Certificate furnished pursuant to this Section 4.07.

ARTICLE V

SUCCESSORS

SECTION 5.01 Limitations on Mergers, Consolidations and Other Transactions.

          The Company shall not, in any transaction or series of related transactions, consolidate with
any other Person into, or merge into, any other Person, or sell, lease, convey, transfer or
otherwise dispose of its assets substantially as an entirety to any Person, unless:

     (1) either (a) the Company shall be the continuing Person or (b) the Person formed by
that consolidation or into which the Company is merged, or to which that sale, lease,
conveyance, transfer or other disposition shall be made (collectively, the “Successor”),
expressly assumes by supplemental indenture the due and punctual payment of the principal of
(and premium, if any) and interest on and Additional Amounts with respect to all the
Securities and the performance of the Company’s covenants and obligations under this
Indenture and the Securities;

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     (2) immediately after giving effect to that transaction or series of related
transactions, no Default or Event of Default shall have occurred and be continuing; and

     (3) the Company delivers to the Trustee an Officers’ Certificate and an Opinion of
Counsel, each stating that the transaction and that supplemental indenture comply with this
Indenture.

SECTION 5.02 Successor Person Substituted.

          Upon any consolidation or merger of the Company or any sale, lease, conveyance, transfer or
other disposition of the assets of the Company substantially as an entirety in accordance with
Section 5.01, any Successor formed by that consolidation or into or with which the Company is
merged or to which that sale, lease, conveyance, transfer or other disposition is made shall
succeed to, and be substituted for, and may exercise every right and power of the Company under
this Indenture and the Securities with the same effect as if that Successor had been named as the
Company herein and the predecessor Company, in the case of a sale, conveyance, transfer or other
disposition, shall be released from all obligations under this Indenture and the Securities.

ARTICLE VI

DEFAULTS AND REMEDIES

SECTION 6.01 Events of Default.

          Unless either inapplicable to a particular series or specifically deleted or modified in or
pursuant to the supplemental indenture or Board Resolution establishing that series of Securities
or in the form of Security for that series, an “Event of Default,” wherever used herein with
respect to Securities of any series, occurs if:

     (1) the Company defaults in the payment of interest on or any Additional Amounts with
respect to any Security of that series when the same becomes due and payable and that
default continues for a period of 30 days;

     (2) the Company defaults in the payment of (A) the principal of any Security of that
series at its Maturity or (B) premium (if any) on any Security of that series when the same
becomes due and payable, regardless of whether such payment became due because of maturity,
redemption, acceleration or otherwise, or is required by any sinking fund established with
respect to such series;

     (3) the Company fails to comply with any of its other covenants or agreements in, or
provisions of, the Securities of that series or this Indenture (other than an agreement,
covenant or provision that has expressly been included in this Indenture solely for the
benefit of one or more series of Securities other than that series) which shall not have
been remedied within the specified period after written notice, as specified in the last
paragraph of this Section 6.01;

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     (4) the Company pursuant to or within the meaning of any Bankruptcy Law:

          (A) commences a voluntary case,

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

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

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

     (5) a court of competent jurisdiction enters an order or decree under any Bankruptcy
Law that remains unstayed and in effect for 90 days and that:

          (A) is for relief against the Company as debtor in an involuntary case,

          (B) appoints a Bankruptcy Custodian of the Company or a Bankruptcy Custodian
for all or substantially all of the property of the Company, or

          (C) orders the liquidation of the Company;

     (6) the Company defaults with respect to its Debt (other than the Securities for that
series) in an aggregate principal amount in excess of that dollar amount specified in the
supplemental indenture for the Securities, which

          (A) consists of the failure to make any payment at maturity, or

          (B) results in acceleration of the maturity of such Debt; or

     (7) any other Event of Default provided with respect to Securities of that series
occurs.

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

          When a Default is cured, it ceases.

          Notwithstanding the foregoing provisions of this Section 6.01, if the principal of, premium
(if any) or interest on or Additional Amounts with respect to any Security is payable in a currency
or currencies (including a composite currency) other than Dollars and such currency or currencies
are not available to the Company for making payment thereof due to the imposition of exchange
controls or other circumstances beyond the control of the Company (a “Conversion Event”), the
Company will be entitled to satisfy its obligations to Holders of the Securities by making that
payment in Dollars in an amount equal to the Dollar equivalent of the amount

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payable in such other currency, as determined by the Company by reference to the Exchange Rate on
the date of that payment, or, if that rate is not then available, on the basis of the most recently
available Exchange Rate. Notwithstanding the foregoing provisions of this Section 6.01, any
payment made under such circumstances in Dollars where the required payment is in a currency other
than Dollars will not constitute an Event of Default under this Indenture.

          Promptly after the occurrence of a Conversion Event, the Company shall give written notice
thereof to the Trustee; and the Trustee, promptly after receipt of that notice, shall give notice
thereof in the manner provided in Section 10.02 to the Holders. Promptly after the making of any
payment in Dollars as a result of a Conversion Event, the Company shall give notice in the manner
provided in Section 10.02 to the Holders, setting forth the applicable Exchange Rate and describing
the calculation of those payments.

          A Default under clause (3) of this Section 6.01 is not an Event of Default until the Trustee
notifies the Company, or the Holders of at least 25% in principal amount of the then outstanding
Securities of the series affected by that Default, or, if outstanding Securities of other series
are affected by that Default, then at least 25% in principal amount of the then outstanding
Securities so affected, notify the Company and the Trustee, of the Default, and the Company fails
to cure the Default within 90 days after receipt of the notice. The notice must specify the
Default, demand that it be remedied and state that the notice is a “Notice of Default.”

SECTION 6.02 Acceleration.

          If an Event of Default with respect to any Securities of any series at the time outstanding
(other than an Event of Default specified in clause (4) or (5) of Section 6.01 hereof) occurs and
is continuing, the Trustee by notice to the Company, or the Holders of at least 25% in principal
amount of the then outstanding Securities of the series affected by that default (or, in the case
of an Event of Default described in clause (3) of Section 6.01, if outstanding Securities of other
series are affected by that Default, then at least 25% in principal amount of the then outstanding
Securities so affected) by notice to the Company and the Trustee, may declare the principal of (or,
if any of those Securities are Original Issue Discount Securities, that portion of the principal
amount as may be specified in the terms of that series) and all accrued and unpaid interest on all
then outstanding Securities of that series or of all series, as the case may be, to be due and
payable. Upon any such declaration, the amounts due and payable on those Securities shall be due
and payable immediately. If an Event of Default specified in clause (4) or (5) of Section 6.01
hereof occurs, those amounts shall ipso facto become and be immediately due and payable without any
declaration, notice or other act on the part of the Trustee or any Holder. The Holders of a
majority in principal amount of the then outstanding Securities of the series affected by that
default or all series, as the case may be, by written notice to the Trustee may rescind an
acceleration and its consequences (other than nonpayment of principal of or premium or interest on
or any Additional Amounts with respect to the Securities) if the rescission would not conflict with
any judgment or decree and if all existing Events of Default with respect to Securities of that
series (or of all series, as the case may be) have been cured or waived, except nonpayment of
principal, premium, interest or any Additional Amounts that has become due solely because of the
acceleration.

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SECTION 6.03 Other Remedies.

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

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

SECTION 6.04 Waiver of Defaults.

          Subject to Sections 6.07 and 9.02, the Holders of a majority in principal amount of the then
outstanding Securities of any series or of all series (acting as one class) by notice to the
Trustee may waive an existing or past Default or Event of Default with respect to that series or
all series, as the case may be, and its consequences (including waivers obtained in connection with
a tender offer or exchange offer for Securities of that series or all series or a solicitation of
consents in respect of Securities of that series or all series, provided that in each case that
offer or solicitation is made to all Holders of then outstanding Securities of that series or all
series (but the terms of that offer or solicitation may vary from series to series)), except (1) a
continuing Default or Event of Default in the payment of the principal of, or premium, if any, or
interest on or any Additional Amounts with respect to any Security or (2) a continued Default in
respect of a provision that under Section 9.02 cannot be amended or supplemented without the
consent of each Holder affected. Upon any such waiver, that Default shall cease to exist, and any
Event of Default arising therefrom shall be deemed to have been cured for every purpose of this
Indenture; but no such waiver shall extend to any subsequent or other Default or impair any right
consequent thereon.

SECTION 6.05 Control by Majority.

          With respect to Securities of any series, the Holders of a majority in principal amount of the
then outstanding Securities of that series may direct in writing the time, method and place of
conducting any proceeding for any remedy available to the Trustee or exercising any trust or power
conferred on it relating to or arising under an Event of Default described in clause (1), (2) or
(7) of Section 6.01, and with respect to all Securities, the Holders of a majority in principal
amount of all the then outstanding Securities affected may direct in writing the time, method and
place of conducting any proceeding for any remedy available to the Trustee or exercising any trust
or power conferred on it not relating to or arising under such an Event of Default. However, the
Trustee may refuse to follow any direction that conflicts with applicable law or this Indenture,
that the Trustee determines may be unduly prejudicial to the rights of other Holders, or that may
involve the Trustee in personal liability; provided, however, that the Trustee may take any other
action deemed proper by the Trustee that is not inconsistent with that

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direction. Prior to taking any action hereunder, the Trustee shall be entitled to indemnification
satisfactory to it in its sole discretion from Holders directing the Trustee against all losses and
expenses caused by taking or not taking that action.

SECTION 6.06 Limitations on Suits.

          Subject to Section 6.07 hereof, a Holder of a Security of any series may pursue a remedy with
respect to this Indenture or the Securities of that series only if:

     (1) the Holder gives to the Trustee written notice of a continuing Event of Default
with respect to that series;

     (2) the Holders of at least 25% in principal amount of the then outstanding Securities
of that series make a written request to the Trustee to pursue the remedy;

     (3) such Holder or Holders offer to the Trustee indemnity reasonably satisfactory to
the Trustee against any loss, liability or expense;

     (4) the Trustee does not comply with the request within 60 days after receipt of the
request and the offer of indemnity; and

     (5) during that 60-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.

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

SECTION 6.07 Rights of Holders to Receive Payment.

          Notwithstanding any other provision of this Indenture, the right of any Holder of a Security
to receive payment of principal of and premium, if any, and interest on and any Additional Amounts
with respect to that Security, on or after the respective due dates expressed in that Security, or
to bring suit for the enforcement of any such payment on or after those respective dates, is
absolute and unconditional and shall not be impaired or affected without the consent of the Holder.

SECTION 6.08 Collection Suit by Trustee.

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

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

SECTION 6.09 Trustee May File Proofs of Claim.

          The Trustee is authorized to file such proofs of claim and other papers or documents and to
take such actions, including participating as a member, voting or otherwise, of any committee of
creditors, as may be necessary or advisable to have the claims of the Trustee (including any claim
for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents
and counsel) and the Holders allowed in any judicial proceeding relative to the Company or its
creditors or properties and shall be entitled and empowered to collect, receive and distribute any
money or other property payable or deliverable on any such claims and any Bankruptcy Custodian in
any such judicial proceeding is hereby authorized by each Holder to make those payments to the
Trustee, and in the event that the Trustee shall consent to the making of those payments directly
to the Holders, to pay to the Trustee any amount due to it for the reasonable compensation,
expenses, disbursements and advances of the Trustee, its agents and counsel, and any other amounts
due the Trustee under Section 7.07. To the extent that the payment of any such compensation,
expenses, disbursements and advances of the Trustee, its agents and counsel, and any other amounts
due the Trustee under Section 7.07 out of the estate in any such proceeding, shall be denied for
any reason, payment of the same shall be secured by a lien on, and shall be paid out of, any and
all distributions, dividends, money, securities and other properties which the Holders of the
Securities may be entitled to receive in that proceeding whether in liquidation or under any plan
of reorganization or arrangement or otherwise. Nothing herein contained shall be deemed to
authorize the Trustee to authorize or consent to or accept or adopt on behalf of any Holder any
plan of reorganization, arrangement, adjustment or composition affecting the Securities 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 6.10 Priorities.

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

          First: to the Trustee for amounts due under Section 7.07;

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

          Third: to the Company.

          The Trustee, on prior written notice to the Company, may fix record dates and payment dates
for any payment to Holders pursuant to this Article VI.

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          To the fullest extent allowed under applicable law, if for the purpose of obtaining a judgment
against the Company in any court it is necessary to convert the sum due in respect of the principal
of, premium (if any) or interest on or Additional Amounts with respect to the Securities of any
series (the “Required Currency”) into a currency in which a judgment will be rendered (the
“Judgment Currency”), the rate of exchange used shall be the rate at which in accordance with
normal banking procedures the Trustee could purchase in The City of New York the Required Currency
with the Judgment Currency on the New York Business Day next preceding that on which final judgment
is given. Neither the Company nor the Trustee shall be liable for any shortfall nor shall it
benefit from any windfall in payments to Holders of Securities under this Section 6.10 caused by a
change in exchange rates between the time the amount of a judgment against it is calculated as
above and the time the Trustee converts the Judgment Currency into the Required Currency to make
payments under this Section to Holders of Securities, but payment of that judgment shall discharge
all amounts owed by the Company on the claim or claims underlying that judgment.

SECTION 6.11 Undertaking for Costs.

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

ARTICLE VII

TRUSTEE

SECTION 7.01 Duties of Trustee.

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

          (b) Except during the continuance of an Event of Default with respect to the Securities of any
series:

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

     (2) in the absence of bad faith on its part, the Trustee may conclusively rely, as to
the truth of the statements and the correctness of the opinions expressed therein, on

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certificates or opinions furnished to the Trustee and conforming to the requirements of this
Indenture. However, the Trustee shall examine those certificates and opinions to determine
whether, on their face, they appear to conform to the requirements of this Indenture.

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

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

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

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

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

          (e) No provision of this Indenture shall require the Trustee to expend or risk its own funds
or incur any liability. The Trustee may refuse to perform any duty or exercise any right or power
unless it receives indemnity reasonably satisfactory to it against any loss, liability or expense.

          (f) The Trustee shall not be liable for interest on any money received by it except as the
Trustee may agree in writing with the Company. Money held in trust by the Trustee need not be
segregated from other funds except to the extent required by law. All money received by the
Trustee with respect to Securities of any series shall, until applied as herein provided, be held
in trust for the payment of the principal of, premium (if any) and interest on and Additional
Amounts with respect to the Securities of that series.

SECTION 7.02 Rights of Trustee.

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

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

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          (c) The Trustee may act through agents and shall not be responsible for the misconduct or
negligence of any agent appointed with due care.

          (d) The Trustee shall not be liable for any action it takes or omits to take in good faith
which it believes to be authorized or within its rights or powers conferred on it by this
Indenture.

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

          (f) The Trustee shall not be charged with knowledge of any Default or Event of Default with
respect to the Securities, unless either (1) a Trust Officer shall have actual knowledge of such
Default or Event of Default or (2) written notice of such Default or Event of Default shall have
been given to the Trustee by the Company or by any Holder of the Securities, and such notice
references the Securities and this Indenture.

          (g) The permissive rights of the Trustee enumerated herein shall not be construed as duties.

SECTION 7.03 May Hold Securities.

          The Trustee in its individual or any other capacity may become the owner or pledgee of
Securities and may otherwise deal with the Company or any of its Affiliates with the same rights it
would have if it were not Trustee. Any Agent may do the same with like rights and duties. However,
the Trustee is subject to Sections 7.10 and 7.11.

SECTION 7.04 Trustee’s Disclaimer.

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

SECTION 7.05 Notice of Defaults.

          If a Default or Event of Default with respect to the Securities of any series occurs and is
continuing and it is known to the Trustee, the Trustee shall mail to Holders of Securities of that
series a notice of the Default or Event of Default within 90 days after it occurs. Except in the
case of a Default or Event of Default in payment of principal of, premium (if any) and interest on
and Additional Amounts or any sinking fund installment with respect to the Securities of that
series, the Trustee may withhold the notice if and so long as a committee of its Trust

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Officers in good faith determines that withholding the notice is in the interests of Holders of
Securities of that series.

SECTION 7.06 Reports by Trustee to Holders.

          Within 60 days after each May 15 of each year after the execution of this Indenture, the
Trustee shall mail to Holders of a series and the Company a brief report dated as of that reporting
date that complies with TIA § 313(a); provided, however, that if no event described in TIA § 313(a)
has occurred within the twelve months preceding the reporting date with respect to a series, no
report need be transmitted to Holders of that series. The Trustee also shall comply with TIA §
313(b). The Trustee shall also transmit by mail all reports if and as required by TIA §§ 313(c)
and 313(d).

          A copy of each report at the time of its mailing to Holders of a series of Securities shall be
filed by the Company with the SEC and each securities exchange, if any, on which the Securities of
that series are listed. The Company shall notify the Trustee if and when any series of Securities
is listed on any stock exchange.

SECTION 7.07 Compensation and Indemnity.

          The Company agrees to pay to the Trustee from time to time reasonable compensation for its
acceptance of this Indenture and services hereunder. The Trustee’s compensation shall not be
limited by any law on compensation of a trustee of an express trust. The Company agrees to
reimburse the Trustee on request for all reasonable disbursements, advances and expenses incurred
by it. Those expenses shall include the reasonable compensation, disbursements and expenses of the
Trustee’s agents and counsel.

          The Company hereby indemnifies the Trustee against any loss, liability or expense incurred by
it arising out of or in connection with the acceptance or administration of its duties under this
Indenture, except as set forth in the next paragraph. The Trustee shall notify the Company
promptly of any claim for which it may seek indemnity. The Company shall defend the claim and the
Trustee shall cooperate in the defense. The Trustee may have separate counsel, and the Company
shall pay the reasonable fees and expenses of that counsel. The Company need not pay for any
settlement made without its consent.

          The Company shall not be obligated to reimburse any expense or indemnify against any loss or
liability incurred by the Trustee through negligence or bad faith.

          To secure the payment obligations of the Company in this Section 7.07, the Trustee shall have
a lien prior to the Securities on all money or property held or collected by the Trustee, except
that held in trust to pay principal of, premium (if any) and interest on and any Additional Amounts
with respect to the Securities of any series. That lien shall survive the satisfaction and
discharge of this Indenture.

          When the Trustee incurs expenses or renders services after an Event of Default specified in
Section 6.01(4) or (5) occurs, the expenses and the compensation for the services are

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intended to constitute expenses of administration under any Bankruptcy Law.

SECTION 7.08 Replacement of Trustee.

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

          The Trustee may resign and be discharged at any time with respect to the Securities of one or
more series by so notifying the Company. The Holders of a majority in principal amount of the then
outstanding Securities of any series may remove the Trustee with respect to the Securities of that
series by so notifying the Trustee and the Company. The Company may remove the Trustee if:

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

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

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

          (4) the Trustee otherwise becomes incapable of acting.

          If the Trustee resigns or is removed or if a vacancy exists in the office of Trustee for any
reason, with respect to the Securities of one or more series, the Company shall promptly appoint a
successor Trustee or Trustees with respect to the Securities of that or those series (it being
understood that any such successor Trustee may be appointed with respect to the Securities of one
or more or all of those series and that at any time there shall be only one Trustee with respect to
the Securities of any particular series). Within one year after the successor Trustee with respect
to the Securities of any series takes office, the Holders of a majority in principal amount of the
Securities of that series may appoint a successor Trustee to replace the successor Trustee
appointed by the Company.

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

          If the Trustee with respect to the Securities of a series fails to comply with Section 7.10,
any Holder of Securities of that series may petition any court of competent jurisdiction for the
removal of the Trustee and the appointment of a successor Trustee with respect to the Securities of
that series.

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          In case of the appointment of a successor Trustee with respect to all Securities, each such
successor Trustee shall deliver a written acceptance of its appointment to the retiring Trustee and
to the Company. Thereupon, the resignation or removal of the retiring Trustee shall become
effective, and the successor Trustee shall have all the rights, powers and duties of the retiring
Trustee under this Indenture. The successor Trustee shall mail a notice of its succession to
Holders. The retiring Trustee shall promptly transfer all property held by it as Trustee to the
successor Trustee, subject to the lien provided for in Section 7.07.

          In case of the appointment 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 (but not all) series shall execute and deliver an
indenture supplemental hereto in which each successor Trustee shall accept that appointment and
that (1) shall confer to each successor Trustee all the rights, powers and duties of the retiring
Trustee with respect to the Securities of that or those series to which the appointment of that
successor Trustee relates, (2) if the retiring Trustee is not retiring with respect to all
Securities, shall confirm that all the rights, powers and duties of the retiring Trustee with
respect to the Securities of that or those series as to which the retiring Trustee is not retiring
shall continue to be vested in the retiring Trustee and (3) shall add to or change any of the
provisions of this Indenture as shall be necessary to provide for or facilitate the administration
of the trusts hereunder by more than one Trustee. Nothing herein or in that supplemental indenture
shall constitute those Trustees co-trustees of the same trust, and 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. Upon the execution and delivery of that supplemental
indenture, the resignation or removal of the retiring Trustee shall become effective to the extent
provided therein, and each such successor Trustee shall have all the rights, powers and duties of
the retiring Trustee with respect to the Securities of that or those series to which the
appointment of that successor Trustee relates. On the request of the Company or any successor
Trustee, that retiring Trustee shall transfer to that successor Trustee all property held by that
retiring Trustee as Trustee with respect to the Securities of that or those series to which the
appointment of that successor Trustee relates. Such retiring Trustee shall, however, have the
right to deduct its unpaid fees and expenses.

          Notwithstanding replacement of the Trustee or Trustees pursuant to this Section 7.08, the
obligations of the Company under Section 7.07 shall continue for the benefit of the retiring
Trustee or Trustees.

SECTION 7.09 Successor Trustee by Merger, etc.

          Subject to Section 7.10, if the Trustee consolidates, merges or converts into, or transfers
all or substantially all of its corporate trust business to, another corporation, the successor
corporation without any further act shall be the successor Trustee; provided, however, that in the
case of a transfer of all or substantially all of its corporate trust business to another
corporation, the transferee corporation expressly assumes all of the Trustee’s liabilities
hereunder.

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          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 that authenticating Trustee may
adopt that authentication and deliver the Securities so authenticated; and in case at that time any
of the Securities shall not have been authenticated, any successor to the Trustee may authenticate
those Securities either in the name of any predecessor hereunder or in the name of the successor to
the Trustee; and in all those cases those certificates shall have the full force which it is
anywhere in the Securities or in this Indenture provided that the certificate of the Trustee shall
have.

SECTION 7.10 Eligibility; Disqualification.

          There shall at all times be a Trustee hereunder which shall be a corporation organized and
doing business under the laws of the United States, any State thereof or the District of Columbia
and authorized under those laws to exercise corporate trust power, shall be subject to supervision
or examination by Federal or State (or the District of Columbia) authority and shall have, or be a
subsidiary of a bank or bank holding company having, a combined capital and surplus of at least $50
million as set forth in its most recent published annual report of condition.

          The Indenture shall always have a Trustee who satisfies the requirements of TIA §§ 310(a)(1),
310(a)(2) and 310(a)(5). The Trustee is subject to and shall comply with the provisions of TIA §
310(b) during the period of time required by this Indenture. Nothing in this Indenture shall
prevent the Trustee from filing with the SEC the application referred to in the penultimate
paragraph of TIA § 310(b).

SECTION 7.11 Preferential Collection of Claims Against Company.

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

ARTICLE VIII

DISCHARGE OF INDENTURE

SECTION 8.01 Termination of Company’s Obligations.

          (a) This Indenture shall cease to be of further effect with respect to the Securities of a
series (except as to any surviving rights of conversion or of registration of transfer or exchange
of Securities expressly provided for herein and except that the Company’s obligations under Section
7.07, the Trustee’s and Paying Agent’s obligations under Section 8.03 and the rights, powers,
protections and privileges accorded the Trustee under Article VII shall survive), and the Trustee,
on demand of the Company, shall execute proper instruments acknowledging the satisfaction and
discharge of this Indenture with respect to the Securities of that series, when:

          (1) either

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     (A) all outstanding Securities of that series theretofore authenticated and
issued (other than destroyed, lost or stolen Securities that have been replaced or
paid) have been delivered to the Trustee for cancellation; or

     (B) all outstanding Securities of that series not theretofore delivered to the
Trustee for cancellation:

     (i) have become due and payable, or

     (ii) will become due and payable at their Stated Maturity within one
year, or

     (iii) are to be called for redemption within one year under
arrangements satisfactory to the Trustee for the giving of notice of
redemption by the Trustee in the name, and at the expense, of the Company,

          and, in the case of clause (i), (ii) or (iii) above, the Company has irrevocably deposited or
caused to be deposited with the Trustee as funds (immediately available to the Holders in the case
of clause (i)) in trust for that purpose (x) cash in an amount, or (y) Government Obligations,
maturing as to principal and interest at such times and in such amounts as will ensure the
availability of cash in an amount or (z) a combination thereof, which will be sufficient, in the
opinion (in the case of clauses (y) and (z)) of a nationally recognized firm of independent public
accountants expressed in a written certification thereof delivered to the Trustee, to pay and
discharge the entire indebtedness on the Securities of that series for principal and any interest
and any Additional Amounts to the date of that deposit (in the case of Securities which have become
due and payable) or for principal, premium, if any, interest and any Additional Amounts to the
Stated Maturity or Redemption Date, as the case may be; or

     (C) the Company has properly fulfilled such other means of satisfaction and
discharge as is specified, as contemplated by Section 2.01, to be applicable to the
Securities of that series;

     (2) the Company has paid or caused to be paid all other sums payable by it hereunder
with respect to the Securities of that series; and

     (3) the Company has delivered to the Trustee an Officers’ Certificate stating that all
conditions precedent to satisfaction and discharge of this Indenture with respect to the
Securities of that series have been complied with, together with an Opinion of Counsel to
the same effect.

          (b) Unless this Section 8.01(b) is specified as not being applicable to Securities of a series
as contemplated by Section 2.01, the Company may terminate certain of its obligations under this
Indenture (“covenant defeasance”) with respect to the Securities of a series if:

40

 

     (1) the Company has irrevocably deposited or caused to be irrevocably deposited with
the Trustee as trust funds in trust for the purpose of making the following payments,
specifically pledged as security for and dedicated solely to the benefit of the Holders of
Securities of that series, (i) money in the currency in which payment of the Securities of
that series is to be made in an amount, or (ii) Government Obligations with respect to that
series, maturing as to principal and interest at such times and in such amounts as will
ensure the availability of money in the currency in which payment of the Securities of that
series is to be made in an amount or (iii) a combination thereof, that is sufficient, in the
opinion (in the case of clauses (ii) and (iii)) of a nationally recognized firm of
independent public accountants expressed in a written certification thereof delivered to the
Trustee, to pay, without consideration of the reinvestment of any such amounts and after
payment of all taxes or other charges or assessments in respect thereof payable by the
Trustee, the principal of and premium (if any) and interest on and any Additional Amounts
with respect to all Securities of that series on each date that such principal, premium (if
any), interest or Additional Amounts are due and payable and (at the Stated Maturity thereof
or on redemption as provided in Section 8.01(e)) to pay all other sums payable by it
hereunder; provided that the Trustee shall have been irrevocably instructed to apply that
money and/or the proceeds of those Government Obligations to the payment of said principal,
premium (if any), interest and Additional Amounts with respect to the Securities of that
series as the same shall become due;

     (2) the Company has delivered to the Trustee an Officers’ Certificate stating that all
conditions precedent to satisfaction and discharge of this Indenture with respect to the
Securities of that series have been complied with, and an Opinion of Counsel to the same
effect;

     (3) no Default or Event of Default with respect to the Securities of that series shall
have occurred and be continuing on the date of that deposit;

     (4) the Company shall have delivered to the Trustee an Opinion of Counsel from counsel
reasonably acceptable to the Trustee or a private letter ruling issued by the United States
Internal Revenue Service to the effect that the Holders of Securities of that series will
not recognize income, gain or loss for Federal income tax purposes as a result of the
Company’s exercise of its option under this Section 8.01(b) and will be subject to Federal
income tax on the same amount and in the same manner and at the same times as would have
been the case if that option had not been exercised;

     (5) the Company has complied with any additional conditions specified pursuant to
Section 2.01 to be applicable to the discharge of Securities of that series pursuant to this
Section 8.01; and

     (6) that deposit and discharge shall not cause the Trustee to have a conflicting
interest as defined in TIA § 310(b).

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          In that event, this Indenture shall cease to be of further effect (except as set forth in this
paragraph), and the Trustee, on demand of the Company, shall execute proper instruments
acknowledging satisfaction and discharge under this Indenture. However, the Company’s obligations
in Sections 2.05, 2.06, 2.07, 2.08, 2.09, 4.01, 4.02, 5.01, 7.07, 7.08 and 8.04, the Trustee’s and
Paying Agent’s obligations in Section 8.03 and the rights, powers, protections and privileges
accorded the Trustee under Article VII shall survive until all Securities of that series are no
longer outstanding. Thereafter, only the Company’s obligations in Section 7.07 and the Trustee’s
and Paying Agent’s obligations in Section 8.03 shall survive with respect to Securities of that
series.

          After making the irrevocable deposit pursuant to this Section 8.01(b) and following
satisfaction of the other conditions set forth herein, the Trustee on request shall acknowledge in
writing the discharge of the Company’s obligations under this Indenture with respect to the
Securities of that series, except for those surviving obligations specified above.

          In order to have money available on a payment date to pay principal of or premium (if any) or
interest on or any Additional Amounts with respect to the Securities, the Government Obligations
shall be payable as to principal or interest on or before that payment date in such amounts as will
provide the necessary money. Any such Government Obligations shall not be callable at the issuer’s
option.

          (c) If the Company has previously complied or is concurrently complying with Section 8.01(b)
(other than any additional conditions specified pursuant to Section 2.01 that are expressly
applicable only to covenant defeasance) with respect to Securities of a series, then, unless this
Section 8.01(c) is specified as not being applicable to Securities of that series as contemplated
by Section 2.01, the Company may elect to be discharged (“legal defeasance”) from its obligations
to make payments with respect to Securities of that series, if:

     (1) no Default or Event of Default under clauses (4) and (5) of Section 6.01 hereof
shall have occurred at any time during the period ending on the 91st day after the date of
deposit contemplated by Section 8.01(b) (it being understood that this condition shall not
be deemed satisfied until the expiration of that period);

     (2) unless otherwise specified with respect to Securities of that series as
contemplated by Section 2.01, the Company has delivered to the Trustee an Opinion of
Counsel from counsel reasonably acceptable to the Trustee to the effect referred to in
Section 8.01(b)(4) with respect to that legal defeasance, which opinion is based on (i) a
private ruling of the Internal Revenue Service addressed to the Company, (ii) a published
ruling of the United States Internal Revenue Service pertaining to a comparable form of
transaction or (iii) a change in the applicable federal income tax law (including
regulations) after the date of this Indenture;

     (3) the Company has complied with any other conditions specified pursuant to Section
2.01 to be applicable to the legal defeasance of Securities of that series pursuant to this
Section 8.01(c); and

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     (4) the Company has delivered to the Trustee a Company Request requesting legal
defeasance of the Securities of that series and an Officers’ Certificate stating that all
conditions precedent with respect to legal defeasance of the Securities of that series have
been complied with, together with an Opinion of Counsel to the same effect.

          In that event, the Company will be discharged from its obligations under this Indenture and
the Securities of that series to pay principal of, premium (if any) and interest on, and any
Additional Amounts with respect to, Securities of that series, the Company’s obligations under
Sections 4.01, 4.02 and 5.01 shall terminate with respect to those Securities, and the entire
indebtedness of the Company evidenced by those Securities shall be deemed paid and discharged.

          (d) If and to the extent additional or alternative means of satisfaction, discharge or
defeasance of Securities of a series are specified to be applicable to that series as contemplated
by Section 2.01, the Company may terminate any or all of its obligations under this Indenture with
respect to Securities of a series and any or all of its obligations under the Securities of that
series if it fulfills such other means of satisfaction and discharge as may be so specified, as
contemplated by Section 2.01, to be applicable to the Securities of that series.

          (e) If Securities of any series subject to subsections (a), (b), (c) or (d) of this Section
8.01 are to be redeemed prior to their Stated Maturity, whether pursuant to any optional redemption
provisions or in accordance with any mandatory or optional sinking fund provisions, the terms of
the applicable trust arrangement shall provide for that redemption, and the Company shall make such
arrangements as are reasonably satisfactory to the Trustee for the giving of notice of redemption
by the Trustee in the name, and at the expense, of the Company.

SECTION 8.02 Application of Trust Money.

          The Trustee or a trustee reasonably satisfactory to the Trustee and the Company shall hold in
trust money or Government Obligations deposited with it pursuant to Section 8.01 hereof. It shall
apply the deposited money and the money from Government Obligations through the Paying Agent and in
accordance with this Indenture to the payment of principal of, premium (if any) and interest on and
any Additional Amounts with respect to the Securities of the series with respect to which the
deposit was made.

SECTION 8.03 Repayment to Company.

          The Trustee and the Paying Agent shall promptly pay to the Company at any time on the written
request of the Company any excess money or Government Obligations (or proceeds therefrom) held by
them.

          Subject to the requirements of any applicable abandoned property laws, the Trustee and the
Paying Agent shall pay to the Company on written request any money held by them for the payment of
principal, premium (if any), interest or any Additional Amounts that remain unclaimed for two years
after the date on which that payment shall have become due. After payment to the Company, Holders
entitled to the money must look to the Company for

43

 

payment as general creditors unless an applicable abandoned property law designates another Person,
and all liability of the Trustee and the Paying Agent with respect to that money shall cease.

SECTION 8.04 Reinstatement.

          If the Trustee or the Paying Agent is unable to apply any money or Government Obligations
deposited with respect to Securities of any series in accordance with Section 8.01 by reason of any
legal proceeding or by reason of any order or judgment of any court or governmental authority
enjoining, restraining or otherwise prohibiting that application, the obligations of the Company
under this Indenture with respect to the Securities of that series and under the Securities of that
series shall be revived and reinstated as though no deposit had occurred pursuant to Section 8.01
until such time as the Trustee or the Paying Agent is permitted to apply all such money or
Government Obligations in accordance with Section 8.01; provided, however, that if the Company has
made any payment of principal of, premium (if any) or interest on or any Additional Amounts with
respect to any Securities because of the reinstatement of its obligations, the Company shall be
subrogated to the rights of the Holders of those Securities to receive such payment from the money
or Government Obligations held by the Trustee or the Paying Agent.

ARTICLE IX

SUPPLEMENTAL INDENTURES AND AMENDMENTS

SECTION 9.01 Without Consent of Holders.

          The Company and the Trustee may amend or supplement this Indenture or the Securities or waive
any provision hereof or thereof without the consent of any Holder:

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

     (2) to comply with Section 5.01;

     (3) to provide for uncertificated Securities in addition to or in place of certificated
Securities, or to provide for the issuance of bearer Securities (with or without coupons);

     (4) to provide any security for any series of Securities or to add guarantees of any
series of Securities;

     (5) to comply with any requirement in order to effect or maintain the qualification of
this Indenture under the TIA;

     (6) to add to the covenants of the Company for the benefit of the Holders of all or any
series of Securities (and if those covenants are to be for the benefit of less than all
series of Securities, stating that those covenants are expressly being included solely

44

 

for the benefit of that series), or to surrender any right or power herein conferred on the
Company;

     (7) to add any additional Events of Default with respect to all or any series of the
Securities (and, if any such Event of Default is applicable to less than all series of
Securities, specifying the series to which that Event of Default is applicable);

     (8) to change or eliminate any of the provisions of this Indenture; provided that any
such change or elimination shall become effective only when there is no outstanding Security
of any series created prior to the execution of that amendment or supplemental indenture
that is adversely affected in any material respect by that change in or elimination of that
provision;

     (9) to establish the form or terms of Securities of any series as permitted by Section
2.01;

     (10) to supplement any of the provisions of this Indenture to such extent as shall be
necessary to permit or facilitate the defeasance and discharge of any series of Securities
pursuant to Section 8.01; provided, however, that any such action shall not adversely affect
the interest of the Holders of Securities of that series or any other series of Securities
in any material respect; or

     (11) to evidence and provide for the acceptance of appointment hereunder by a successor
Trustee with respect to the Securities of one or more series and to add to or change any of
the provisions of this Indenture as shall be necessary to provide for or facilitate the
administration of the trusts hereunder by more than one Trustee, pursuant to the
requirements of Section 7.08.

          Upon the request of the Company, accompanied by a Board Resolution, and upon receipt by the
Trustee of the documents described in Section 9.06, the Trustee shall, subject to Section 9.06,
join with the Company in the execution of any supplemental indenture authorized or permitted by the
terms of this Indenture and make any further appropriate agreements and stipulations that may be
therein contained.

SECTION 9.02 With Consent of Holders.

          Except as provided below in this Section 9.02, the Company and the Trustee may amend or
supplement this Indenture with the written consent (including consents obtained in connection with
a tender offer or exchange offer for Securities of any one or more series or all series or a
solicitation of consents in respect of Securities of any one or more series or all series, provided
that in each case that offer or solicitation is made to all Holders of then outstanding Securities
of each such series (but the terms of that offer or solicitation may vary from series to series))
of the Holders of at least a majority in principal amount of the then outstanding Securities of all
series affected by that amendment or supplement (acting as one class).

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          Upon the request of the Company, accompanied by a Board Resolution, and upon the filing with
the Trustee of evidence of the consent of the Holders as aforesaid, and upon receipt by the Trustee
of the documents described in Section 9.06, the Trustee shall, subject to Section 9.06, join with
the Company in the execution of that amendment or supplemental indenture.

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

          The Holders of a majority in principal amount of the then outstanding Securities of one or
more series or of all series may waive compliance in a particular instance by the Company with any
provision of this Indenture with respect to Securities of that series (including waivers obtained
in connection with a tender offer or exchange offer for Securities of that series or a solicitation
of consents in respect of Securities of that series, provided that in each case that offer or
solicitation is made to all Holders of then outstanding Securities of that series (but the terms of
that offer or solicitation may vary from series to series)).

          However, without the consent of each Holder affected, an amendment, supplement or waiver
under this Section 9.02 may not:

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

     (2) reduce the rate of or change the time for payment of interest, including default
interest, on any Security;

     (3) reduce the principal of, premium on or any mandatory sinking fund payment with
respect to, or change the Stated Maturity of, any Security or reduce the amount of the
principal of an Original Issue Discount Security that would be due and payable on a
declaration of acceleration of the Maturity thereof pursuant to Section 6.02;

     (4) reduce the premium, if any, payable on the redemption of any Security or change the
time at which any Security may or shall be redeemed;

     (5) change any obligation of the Company to pay Additional Amounts with respect to any
Security;

     (6) change the coin or currency or currencies (including composite currencies) in which
any Security or any premium, interest or Additional Amounts with respect thereto are
payable;

     (7) impair the right to institute suit for the enforcement of any payment of principal
of, premium (if any) or interest on or any Additional Amounts with respect to any Security
pursuant to Sections 6.07 and 6.08, except as limited by Section 6.06;

46

 

     (8) make any change in the percentage of principal amount of Securities necessary to
waive compliance with certain provisions of this Indenture pursuant to Section 6.04 or 6.07
or make any change in this sentence of Section 9.02;

     (9) waive a continuing Default or Event of Default in the payment of principal of,
premium (if any) or interest on or Additional Amounts with respect to the Securities; or

     (10) if applicable, make any change that materially and adversely affects the right to
convert any Security.

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

          The right of any Holder to participate in any consent required or sought pursuant to any
provision of this Indenture (and the obligation of the Company to obtain any such consent otherwise
required from that Holder) may be subject to the requirement that such Holder shall have been the
Holder of record of any Securities with respect to which that consent is required or sought as of a
date identified by the Company in a notice furnished to Holders in accordance with the terms of
this Indenture.

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

SECTION 9.03 Compliance with Trust Indenture Act.

          Every amendment or supplement to this Indenture or the Securities shall comply in form and
substance with the TIA as then in effect.

SECTION 9.04 Revocation and Effect of Consents.

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

47

 

          The Company may, but shall not be obligated to, fix a record date (which need not comply with
Section 316(c) of the TIA) for the purpose of determining the Holders entitled to consent to any
amendment, supplement or waiver or to take any other action under this Indenture. If a record date
is fixed, then notwithstanding the provisions of the immediately preceding paragraph, those Persons
who were Holders at that record date (or their duly designated proxies), and only those Persons,
shall be entitled to consent to that amendment, supplement or waiver or to revoke any consent
previously given, whether or not those Persons continue to be Holders after that record date. No
consent shall be valid or effective for more than 90 days after that record date unless consents
from Holders of the principal amount of Securities required hereunder for that amendment or waiver
to be effective shall have also been given and not revoked within that 90-day period.

          After an amendment, supplement or waiver becomes effective, it shall bind every Holder, unless
it is of the type described in any of clauses (1) through (9) of Section 9.02 hereof. In that
case, the amendment, supplement or waiver shall bind each Holder who has consented to it and every
subsequent Holder that evidences the same debt as the consenting Holder’s Security.

SECTION 9.05 Notation on or Exchange of Securities.

          If an amendment or supplement changes the terms of an outstanding Security, the Company may
require the Holder of the Security to deliver it to the Trustee. The Trustee may place an
appropriate notation on the Security at the request of the Company regarding the changed terms and
return it to the Holder. Alternatively, if the Company so determines, the Company in exchange for
the Security shall issue and the Trustee shall authenticate a new Security that reflects the
changed terms. Failure to make the appropriate notation or to issue a new Security shall not
affect the validity of that amendment or supplement.

          Securities of any series authenticated and delivered after the execution of any amendment or
supplement may, and shall if required by the Company, bear a notation in form approved by the
Company as to any matter provided for in that amendment or supplement.

SECTION 9.06 Trustee to Sign Amendments, etc.

          The Trustee shall sign any amendment or supplement authorized pursuant to this Article if the
amendment or supplement does not adversely affect the rights, duties, liabilities or immunities of
the Trustee. If it does, the Trustee may, but need not, sign it. In signing or refusing to sign
that amendment or supplement, the Trustee shall be entitled to receive, and, subject to Section
7.01 hereof, shall be fully protected in relying on, an Opinion of Counsel provided at the expense
of the Company as conclusive evidence that such amendment or supplement is authorized or permitted
by this Indenture, that it is not inconsistent herewith, and that it will be valid and binding on
the Company in accordance with its terms.

ARTICLE X

MISCELLANEOUS

SECTION 10.01 Trust Indenture Act Controls.

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

SECTION 10.02 Notices.

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

	 	 	 
	 

	 	If to the Company:
	 
	 	 
	 

	 	Dawson Geophysical Company
	 

	 	508 West Wall, Suite 800
	 

	 	Midland, Texas 79701
	 

	 	Attention: Christina W. Hagan
	 

	 	Telephone: (432) 684-3000
	 

	 	Facsimile: (432) 684-___
	 
	 	 
	 

	 	If to the Trustee:
	 
	 	 
	 

	 	                                                            
	 

	 	                                                            
	 

	 	                                                            
	 

	 	Attention: Corporate Trust Administration
	 

	 	Telephone:                                         
	 

	 	Facsimile:                                           

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

          All notices and communications shall be deemed to have been duly given: at the time delivered
by hand, if personally delivered; five Business Days after being deposited in the mail, postage
prepaid, if mailed; when answered back, if telexed; when receipt acknowledged, if by facsimile; and
the next Business Day after timely delivery to the courier, if sent by overnight air courier
guaranteeing next day delivery.

          Any notice or communication to a Holder shall be mailed by first-class mail, postage prepaid,
to the Holder’s address shown on the register kept by the Registrar. Failure to mail a notice or
communication to a Holder or any defect in it shall not affect its sufficiency with respect to
other Holders.

          If a notice or communication is mailed in the manner provided above within the time
prescribed, it is duly given, whether or not the addressee receives it, except in the case of
notice to the Trustee, it is duly given only when received.

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

          All notices or communications, including without limitation notices to the Trustee or the
Company by Holders, shall be in writing, except as otherwise set forth herein.

          In case by reason of the suspension of regular mail service, or by reason of any other cause,
it shall be impossible to mail any notice required by this Indenture, then such method of
notification as shall be made with the approval of the Trustee shall constitute a sufficient
mailing of that notice.

SECTION 10.03 Communication by Holders with Other Holders.

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

SECTION 10.04 Certificate and Opinion as to Conditions Precedent.

          Upon any request or application by the Company to the Trustee to take any action under this
Indenture, the Company shall, if requested by the Trustee, furnish to the Trustee at the expense of
the Company:

     (1) an Officers’ Certificate (which shall include the statements set forth in Section
10.05) stating that, in the opinion of the signers, all conditions precedent and covenants,
if any, provided for in this Indenture relating to the proposed action have been complied
with; and

     (2) an Opinion of Counsel (which shall include the statements set forth in Section
10.05 hereof) stating that, in the opinion of that counsel, all those conditions precedent
and covenants have been complied with.

SECTION 10.05 Statements Required in Certificate or Opinion.

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

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

     (2) a brief statement as to the nature and scope of the examination or investigation on
which the statements or opinions contained in that certificate or opinion are based;

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     (3) a statement that, in the opinion of that Person, he or she has made such
examination or investigation as is necessary to enable him or her to express an informed
opinion as to whether or not that covenant or condition has been complied with; and

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

SECTION 10.06 Rules by Trustee and Agents.

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

SECTION 10.07 Legal Holidays.

          If a payment date is a Legal Holiday at a Place of Payment, payment may be made at that place
on the next succeeding day that is not a Legal Holiday, and no interest shall accrue for the
intervening period.

SECTION 10.08 No Recourse Against Others.

          A director, officer, employee, stockholder, partner or other owner of the Company or the
Trustee, as such, shall not have any liability for any obligations of the Company under the
Securities or for any obligations of the Company or the Trustee under this Indenture or for any
claim based on, in respect of or by reason of those obligations or their creation. Each Holder by
accepting a Security waives and releases all that liability. The waiver and release shall be part
of the consideration for the issue of Securities.

SECTION 10.09 Governing Law.

          THIS INDENTURE AND THE SECURITIES SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE
LAWS OF THE STATE OF NEW YORK, WITHOUT GIVING EFFECT TO ANY PRINCIPLES OF CONFLICTS OF LAWS
THEREUNDER TO THE EXTENT THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

SECTION 10.10 No Adverse Interpretation of Other Agreements.

          This Indenture may not be used to interpret another indenture, loan or debt agreement of the
Company. Any such indenture, loan or debt agreement may not be used to interpret this Indenture.

SECTION 10.11 Successors.

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

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SECTION 10.12 Severability.

          In case any provision in this Indenture or in the Securities shall be invalid, illegal or
unenforceable, the validity, legality and enforceability of the remaining provisions shall, to the
fullest extent permitted by applicable law, not in any way be affected or impaired thereby.

SECTION 10.13 Counterpart Originals.

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

SECTION 10.14 Table of Contents, Headings, etc.

          The table of contents, cross-reference table and headings of the Articles and Sections of this
Indenture have been inserted for convenience of reference only, are not to be considered a part
hereof and shall in no way modify or restrict any of the terms or provisions hereof.

52

 

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

	 	 	 	 	 	 	 
	 	 	DAWSON GEOPHYSICAL COMPANY	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 	 	 
	 

	 	 	 	Name:	 	 
	 

	 	 	 	Title:	 	 
	 
	 	 	 	 	 	 
	 	 	[                                                                                ]	 	 
	 

	 	 	 	as Trustee	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 	 	 
	 

	 	 	 	Name:	 	 
	 

	 	 	 	Title:	 	 

53

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