Document:

exv4w1

 

OMNIBUS INSTRUMENT

     WHEREAS, the parties named herein desire to enter into certain Program Documents contained
herein, each such document dated as of this 10th day of November, 2005, relating to the
issuance by Principal Life Income Fundings Trust 2005-115 (the “Trust”) of Notes to investors under
Principal Life’s secured notes program;

     WHEREAS, the Trust is a trust and will be organized under and its activities will be governed
by the provisions of the Trust Agreement (set forth in Section A of this Omnibus Instrument), dated
as of the date of the Pricing Supplement (attached to this Omnibus Instrument as Exhibit D)
(the “Pricing Supplement”), by and between the parties thereto indicated in Section F herein;

     WHEREAS, certain expense and indemnification arrangements between Principal Life and the
Trustee, on behalf of itself and on behalf of the Trust, are governed pursuant to the provisions of
the Expense and Indemnity Agreement dated as of March 5, 2004, by and between Principal Life and
the Trustee;

     WHEREAS, certain licensing arrangements between the Trust and Principal Financial Services,
Inc. will be governed pursuant to the provisions of the License Agreement (set forth in Section B
of this Omnibus Instrument), dated as of the date of the Pricing Supplement, by and between the
parties thereto indicated in Section F herein;

     WHEREAS, certain custodial arrangements of the Funding Agreement and the Guarantee will be
governed pursuant to the provisions of the Custodial Agreement (the “Custodial Agreement”) dated as
of March 5, 2004 by and among Bankers Trust Company, N.A., acting as custodian (the “Custodian”),
the Indenture Trustee and the Trustee, on behalf of the Trust;

     WHEREAS, the Notes will be issued pursuant to the Indenture (set forth in Section C of this
Omnibus Instrument), dated as of the Original Issue Date, by and between the parties thereto
indicated in Section F herein;

     WHEREAS, the sale of the Notes will be governed by the Terms Agreement (set forth in Section D
of this Omnibus Instrument), dated the date of the Pricing Supplement, by and among the parties
thereto indicated in Section F herein; and

     WHEREAS, certain agreements relating to the Notes, the Funding Agreement and the Guarantee are
set forth in the Coordination Agreement (set forth in Section E of this Omnibus Instrument), dated
as of the date of the Pricing Supplement, by and among the parties thereto indicated in Section F
herein.

     All capitalized terms used herein and not otherwise defined will have the meanings set forth
in the Indenture.

[Remainder of Page Intentionally Left Blank.]

 

SECTION A

TRUST AGREEMENT

     This TRUST AGREEMENT (this “Trust Agreement”), dated as of the date of the
Pricing Supplement, is entered into by and between GSS Holdings II, Inc., a
Delaware corporation, as trust beneficial owner (the “Trust Beneficial Owner”),
and U.S. Bank Trust National Association, a national banking association, as
Trustee (the “Trustee”).

W I T N E S S E T H:

     WHEREAS, the Trust Beneficial Owner and the Trustee desire to authorize
the issuance of a Trust Beneficial Interest and a series of Notes in connection
with the entry into this Trust Agreement;

     WHEREAS, all things necessary to make this Trust Agreement a valid and
legally binding agreement of the Trustee and the Trust Beneficial Owner,
enforceable in accordance with its terms, have been done;

     WHEREAS, the parties intend to provide for, among other things, (i) the
issuance and sale of the Notes (pursuant to the Indenture, the Distribution
Agreement and the related Terms Agreement) and the Trust Beneficial Interest,
(ii) the use of the proceeds of the sale of the Notes and Trust Beneficial
Interest to acquire the Funding Agreement, the payment obligations of which
will be fully and unconditionally guaranteed by the Guarantee, and (iii) all
other actions deemed necessary or desirable in connection with the transactions
contemplated by this Trust Agreement; and

     WHEREAS, the parties hereto desire to incorporate by reference those
certain Standard Trust Terms, dated as of March 5, 2004, and attached to the
Omnibus Instrument as Exhibit A (the “Standard Trust Terms”) and all
capitalized terms not otherwise defined herein (including the recitals hereof)
shall have the meanings set forth in the Standard Trust Terms (the Standard
Trust Terms and this Trust Agreement, collectively, the “Trust Agreement”).

     NOW, THEREFORE, in consideration of the agreements and obligations set
forth herein and for other good and valuable consideration, the sufficiency of
which are hereby acknowledged, each party hereby agrees as follows:

ARTICLE 1

     Section 1.01 Incorporation by Reference. All terms, provisions and
agreements set forth in the Standard Trust Terms (except to the extent
expressly modified herein) are hereby incorporated herein by reference with the
same force and effect as though fully set forth herein. To the extent that the
terms set forth in Article 2 of this Trust Agreement are inconsistent with the
terms of the Standard Trust Terms, the terms set forth in Article 2 herein
shall apply.

A-1

 

ARTICLE 2

     Section 2.01 Name. The Trust created and governed by the Trust Agreement
shall be the trust specified in the Omnibus Instrument. The name of the Trust
shall be the name specified in the first paragraph of the Omnibus Instrument,
as such name may be modified from time to time by the Trustee following written
notice to the Trust Beneficial Owner.

     Section 2.02 Jurisdiction. The Trust is hereby organized in, and formed
under and pursuant to, the laws of the State of New York.

     Section 2.03 Initial Capital Contribution and Ownership. The Trust
Beneficial Owner has paid or has caused to be paid to, or to an account at the
direction of, the Trustee, on the date hereof, the sum of $15 (or, in the case
of Notes issued with original issue discount, such amount multiplied by the
issue price of the Notes). The Trustee hereby acknowledges receipt in trust
from the Trust Beneficial Owner, as of the date hereof, of the foregoing
contribution, which shall be used along with the proceeds from the sale of the
series of Notes to purchase the Funding Agreement. Upon the creation of the
Trust and the registration of the Trust Beneficial Interest in the Securities
Register (as defined in the Trust Agreement) by the Registrar in the name of
the Trust Beneficial Owner, the Trust Beneficial Owner shall be the sole
beneficial owner of the Trust.

     Section 2.04 Acknowledgment. The Trustee, on behalf of the Trust,
expressly acknowledges its duties and obligations set forth in the Standard
Trust Terms incorporated herein.

     Section 2.05 Additional Terms.

     None

     Section 2.06 Omnibus Instrument; Execution and Incorporation of Terms.

     The parties to the Trust Agreement will enter into the Trust Agreement by
executing the Omnibus Instrument.

     By executing the Omnibus Instrument, the Trustee and the Trust Beneficial
Owner hereby agree that the Trust Agreement will constitute a legal, valid and
binding agreement between the Trustee and the Trust Beneficial Owner.

     All terms relating to the Trust or the series of Notes not otherwise
included in the Trust Agreement will be as specified in the Omnibus Instrument
or Pricing Supplement, as indicated herein.

A-2

 

     Section 2.07 Governing Law. The Trust Agreement will be governed by, and
construed in accordance with, the laws of the State of New York.

     Section 2.08 Counterparts. The Trust Agreement, through the Omnibus
Instrument, may be executed in any number of counterparts, each of which
counterparts shall be deemed to be an original, and all of which counterparts
shall constitute but one and the same instrument.

[Remainder of Page Intentionally Left Blank.]

A-3

 

SECTION B

LICENSE AGREEMENT

     This LICENSE AGREEMENT (this “License Agreement”), dated as of the date of
the Pricing Supplement, is entered into by and between Principal Financial
Services, Inc., an Iowa corporation with its principal place of business at 711
High Street, Des Moines, Iowa 50392 (the “Licensor”), and the Principal Life
Income Fundings Trust specified in the Omnibus Instrument (the “Licensee”).

W I T N E S S E T H:

     WHEREAS, the Licensor is the owner of certain trademarks and service marks
and registrations and pending applications therefor, and may acquire additional
trademarks and service marks in the future, all as described more fully below;

     WHEREAS, the Licensee desires to use certain of the Licensor’s trademarks
and service marks in connection with the Licensee’s activities, as described
more fully below;

     WHEREAS, the Licensor and the Licensee wish to formalize the agreement
between them regarding the Licensee’s use of the Licensor’s marks; and

     WHEREAS, the parties hereto desire to incorporate by reference those
certain Standard License Agreement Terms, dated March 5, 2004, and attached to
the Omnibus Instrument as Exhibit B (the “Standard License Agreement Terms”)
and all capitalized terms not otherwise defined herein (including the recitals
hereof) shall have the meanings set forth in the Standard License Agreement
Terms (the Standard License Agreement Terms and this License Agreement,
collectively, the “License Agreement”).

     NOW, THEREFORE, in consideration of the mutual promises set forth herein
and for other good and valuable consideration, the sufficiency and receipt of
which are hereby acknowledged, each party hereby agrees as follows:

ARTICLE 1

     Section 1.01 Incorporation by Reference. All terms, provisions and
agreements set forth in the Standard License Agreement Terms (except to the
extent expressly modified herein) are hereby incorporated herein by reference
with the same force and effect as though fully set forth herein. To the extent
that the terms set forth in Article 2 of this License Agreement are
inconsistent with the terms of the Standard License Agreement Terms, the terms
set forth in Article 2 herein shall apply.

ARTICLE 2

     Section 2.01 Additional Terms.

     None

B-1

 

     Section 2.02 Omnibus Instrument; Execution and Incorporation of Terms.

     The parties to the License Agreement will enter into the License Agreement
by executing the Omnibus Instrument.

     By executing the Omnibus Instrument, the Licensor and the Licensee hereby
agree that the License Agreement will constitute a legal, valid and binding
agreement between the Licensor and the Licensee.

     All terms relating to the Trust or the Notes not otherwise included in the
License Agreement will be as specified in the Omnibus Instrument or Pricing
Supplement, as indicated herein.

     Section 2.03 Counterparts. The License Agreement, through the Omnibus
Instrument, may be executed in any number of counterparts, each of which
counterparts shall be deemed to be an original, and all of which counterparts
shall constitute but one and the same instrument.

[Remainder of Page Intentionally Left Blank.]

B-2

 

SECTION C

INDENTURE

     This INDENTURE (this “Indenture”) is entered into as of the Original Issue
Date by and between the Principal Life Income Fundings Trust specified in the
Omnibus Instrument (the “Trust”) and Citibank, N.A., as indenture trustee (the
“Indenture Trustee”).

     Citibank, N.A., in its capacity as indenture trustee, hereby accepts its
role as Registrar, Paying Agent, Transfer Agent and Calculation Agent
hereunder.

     References herein to “Indenture Trustee,” “Registrar,” “Transfer Agent,”
“Paying Agent” or “Calculation Agent” shall include the permitted successors
and assigns of any such entity from time to time.

W I T N E S S E T H:

     WHEREAS, the Trust has duly authorized the execution and delivery of this
Indenture to provide for the issuance of Notes;

     WHEREAS, all things necessary to make this Indenture a valid and legally
binding agreement of the Trust and the other parties to this Indenture,
enforceable in accordance with its terms, have been done, and the Trust
proposes to do all things necessary to make the Notes, when executed by the
Trust and authenticated and delivered pursuant hereto, valid and legally
binding obligations of the Trust as hereinafter provided; and

     WHEREAS, the parties hereto desire to incorporate by reference those
certain Standard Indenture Terms, dated as of March 5, 2004, and attached to
the Omnibus Instrument as Exhibit C (the “Standard Indenture Terms”) and all
capitalized terms not otherwise defined herein (including the recitals hereof)
shall have the meanings set forth in the Standard Indenture Terms (the Standard
Indenture Terms and this Indenture, collectively, the “Indenture”).

     NOW, THEREFORE, for and in consideration of the premises and the purchase
of the Notes by the Holders thereof, it is mutually covenanted and agreed by
each of the parties hereto as follows:

ARTICLE 1

     Section 1.01 Incorporation by Reference. All terms, provisions and
agreements set forth in the Standard Indenture Terms (except to the extent
expressly modified herein) are hereby incorporated herein by reference (with
the same force and effect as though fully set forth herein). To the extent
that the terms set forth in Article 2 of this Indenture are inconsistent with
the terms of the Standard Indenture Terms, the terms set forth in Article 2
herein shall apply.

C-1

 

ARTICLE 2

     Section 2.01 Agreement to be Bound. Each of the Trust, the Indenture
Trustee, the Registrar, the Transfer Agent, the Paying Agent and the
Calculation Agent hereby agrees to be bound by all of the terms, provisions and
agreements set forth in the Indenture, with respect to all matters contemplated
in the Indenture, including, without limitation, those relating to the issuance
of the below-referenced Notes.

     Section 2.02 Designation of the Trust, the Notes, the Funding Agreement
and the Guarantee. The Trust created by the Trust Agreement and referred to in
the Indenture is the Principal Life Income Fundings Trust specified in the
Omnibus Instrument. The Notes issued by the Trust and governed by the
Indenture shall be the Notes specified in the Pricing Supplement. The Funding
Agreement designated hereby is the Funding Agreement designated in the Pricing
Supplement dated as of the Original Issue Date between the Trust and Principal
Life. The Guarantee designated hereby is the Guarantee dated as of the Original
Issue Date of PFG.

     Section 2.03 Additional Terms.

     None

     Section 2.04 Omnibus Instrument; Execution and Incorporation of Terms.

     The parties to the Indenture will enter into the Indenture by executing
the Omnibus Instrument.

     By executing the Omnibus Instrument, the Indenture Trustee, the Registrar,
the Transfer Agent, the Paying Agent, the Calculation Agent and the Trust
hereby agree that the Indenture will constitute a legal, valid and binding
agreement between the Indenture Trustee, the Registrar, the Transfer Agent, the
Paying Agent, the Calculation Agent and the Trust.

     All terms relating to the Trust or the Notes not otherwise included in the
Indenture will be as specified in the Omnibus Instrument or Pricing Supplement,
as indicated herein.

     Section 2.05 Counterparts. The Indenture, through the Omnibus Instrument,
may be executed in any number of counterparts, each of which counterparts shall
be deemed to be an original, and all of which counterparts shall constitute one
and the same instrument.

[Remainder of Page Intentionally Left Blank.]

C-2

 

SECTION D

TERMS AGREEMENT

     This TERMS AGREEMENT (this “Terms Agreement”) is entered into as of the
Original Issue Date by and among Principal Life Insurance Company (“Principal
Life”), Principal Financial Group, Inc. (“PFG”), the Principal Life Income
Fundings Trust specified in the Omnibus Instrument (the “Trust”) and the
Purchasing Agent specified in the Pricing Supplement (the “Purchasing Agent”).

W I T N E S S E T H:

     WHEREAS, Principal Life, PFG and the agents named therein, including the
Purchasing Agent have entered into that certain Distribution Agreement dated
March 5, 2004 (the “Distribution Agreement”).

     NOW, THEREFORE, in consideration of the mutual promises set forth herein
and other good and valuable consideration, the sufficiency and receipt of which
are hereby acknowledged, each of the parties hereby agrees as follows:

ARTICLE 1

     Section 1.01 Incorporation by Reference. The provisions of the
Distribution Agreement and the related definitions (unless otherwise specified
herein) are incorporated by reference herein and shall be deemed to have the
same force and effect as if set forth in full herein.

ARTICLE 2

     Section 2.01 Addition of Trust as Party to Distribution Agreement.

     Pursuant to Section 1 of the Distribution Agreement, each of the
undersigned parties hereby acknowledges and agrees that the Trust, upon
execution hereof by the Trust and the other parties to the Distribution
Agreement (other than any other trusts organized in connection with the
Registration Statement that are party thereto as of the date hereof), shall
become a Trust for purposes of the Distribution Agreement in accordance with
the terms thereof, in respect of the Notes, with all the authority, rights,
powers, duties and obligations of a Trust under the Distribution Agreement.
The Trust confirms that any agreement, covenant, acknowledgment, representation
or warranty under the Distribution Agreement applicable to the Trust is made by
the Trust at the date hereof, unless another time or times are specified in the
Distribution Agreement, in which case such agreement, covenant, acknowledgment,
representation or warranty shall be deemed to be confirmed by the Trust at such
specified time or times.

     Section 2.02 Purchase of Notes as Principal.

     (a) Subject in all respects to the terms and conditions of the
Distribution Agreement, the Trust hereby agrees to sell to the Purchasing Agent
and the Purchasing Agent hereby agrees to purchase the Notes having the terms
specified in the Pricing Supplement relating to such Notes.

D-1

 

     (b) In connection with any purchase of Notes from the Trust by the
Purchasing Agent as principal, the parties agrees that the items specified on
Schedule I of the Omnibus Instrument will be delivered as of the Settlement
Date.

     Section 2.03 Termination. Upon the termination of this Terms Agreement
pursuant to Section 13(b) of the Distribution Agreement the undersigned parties
hereby agree to that the expenses reasonably incurred prior to or in connection
with such termination will be borne by Principal Life and PFG.

     Section 2.04 Governing Law. This Terms Agreement shall be governed by and
construed in accordance with the laws of the State of New York without regard
to the principles of conflicts of laws thereof.

     Section 2.05 Notices. For purposes of Section 14 of the Distribution
Agreement, the Trust’s communications details are as set forth in Section E of
the Omnibus Instrument.

     Section 2.06 Omnibus Instrument; Execution and Incorporation of Terms.

     The parties to this Terms Agreement will enter into this Terms Agreement
by executing the Omnibus Instrument.

     By executing the Omnibus Instrument, each party hereto agrees that this
Terms Agreement will constitute a legal, valid and binding agreement by and
among such parties.

     All terms relating to the Trust or the Notes not otherwise included in
this Terms Agreement will be as specified in the Omnibus Instrument or Pricing
Supplement, as indicated herein.

     Section 2.07 Counterparts. This Terms Agreement, through the Omnibus
Instrument, may be executed in any number of counterparts, each of which
counterparts shall be deemed to be an original, and all of which counterparts
shall constitute but one and the same instrument.

[Remainder of Page Intentionally Left Blank.]

D-2

 

SECTION E

COORDINATION AGREEMENT

     This COORDINATION AGREEMENT (this “Coordination Agreement”), dated as of
the date of the Pricing Supplement, is entered into by and among Principal Life
Insurance Company (“Principal Life”), Principal Financial Group, Inc. (“PFG”),
the Principal Life Income Fundings Trust specified in the Omnibus Instrument
(the “Trust”), Principal Financial Services, Inc. (“PFSI”), Bankers Trust
Company, N.A. and Citibank, N.A., as indenture trustee (the “Indenture
Trustee”).

W I T N E S S E T H

     WHEREAS, the Trust will enter into the Funding Agreement with Principal
Life dated as of the Original Issue Date specified in the Pricing Supplement;

     WHEREAS, PFG will issue a Guarantee to the Trust as of the Original Issue
Date specified in the Pricing Supplement, which will fully and unconditionally
guarantee the payment obligations of Principal Life under the Funding
Agreement;

     WHEREAS, the Purchasing Agent (as defined in the Distribution Agreement)
have agreed to sell the Notes in accordance with the Registration Statement;

     WHEREAS, the Trust intends to issue the Notes in accordance with the
Indenture, to collaterally assign to, and grant a security interest in, the
Funding Agreement and the Guarantee to and in favor of the Indenture Trustee in
accordance with the Indenture to secure payment of the Notes;

     WHEREAS, the Custodian will hold the Funding Agreement and the Guarantee
on behalf of the Indenture Trustee pursuant to the terms of the Custodial
Agreement; and

     WHEREAS, certain licensing arrangements between the Trust and PFSI will be
governed pursuant to the provisions of the License Agreement.

     NOW, THEREFORE, to give effect to the agreements and arrangements
established under the Terms Agreement included in the Omnibus Instrument, as
applicable, the Trust Agreement, the Indenture and the Notes, and in
consideration of the agreements and obligations set forth herein and for other
good and valuable consideration, the sufficiency of which are hereby
acknowledged, each party hereby agrees as follows:

ARTICLE 1

     Section 1.01 Delivery of the Funding Agreement and the Guarantee. The
Trust hereby authorizes the Custodian, on behalf of the Indenture Trustee, to
receive the Funding Agreement from Principal Life and the Guarantee from PFG
pursuant to the assignment of the Funding Agreement and Guarantee (the
“Assignment”), to be entered into on the Original Issue Date, included in the
closing instrument dated as of the Original Issue Date (the “Closing
Instrument”).

E-1

 

     Section 1.02 Issuance and Purchase of the Notes.

     (a) Delivery of the Funding Agreement and the Guarantee to the Custodian,
on behalf of the Indenture Trustee, pursuant to the Assignment or execution of
the cross receipt contained in the Closing Instrument shall be confirmation of
payment by the Trust for the Funding Agreement.

     (b) The Trust hereby directs the Indenture Trustee, upon receipt by the
Custodian, on behalf of the Indenture Trustee, of the Funding Agreement
pursuant to the Assignment and upon receipt by the Custodian, on behalf of the
Indenture Trustee, of the Guarantee, (i) to authenticate the certificates
representing the Notes (the “Notes Certificates”) in accordance with the
Indenture and (ii) to (A) deliver each relevant Notes Certificate to the
clearing system or systems identified in each such Notes Certificate, or to the
nominee of such clearing system, or the custodian thereof, for credit to such
accounts as the Purchasing Agent may direct, or (B) deliver each relevant Notes
Certificate to the purchasers thereof as identified by the Purchasing Agent.

ARTICLE 2

     Section 2.01 Directions Regarding Periodic Payments. As registered owner
of the Funding Agreement and the Guarantee as collateral securing payments on
the Notes, the Indenture Trustee will receive payments on the Funding Agreement
and the Guarantee on behalf of the Trust. The Trust hereby directs the
Indenture Trustee to use such funds to make payments on behalf of the Trust
pursuant to the Trust Agreement and the Indenture.

     Section 2.02 Maturity of the Funding Agreement. Upon the maturity of the
Funding Agreement and the return of funds thereunder, the Trust hereby directs
the Indenture Trustee to set aside from such funds an amount sufficient for the
repayment of the outstanding principal on the Notes and Trust Beneficial
Interest when due.

ARTICLE 3

     Section 3.01 Certificates. Principal Life hereby agrees to deliver an
Officer’s Certificate, a copy of which is attached hereto as Exhibit E, on a
quarterly basis to any rating agency currently rating the Program. The Trust
hereby agrees to deliver an Officer’s Certificate, a copy of which is attached
hereto as Exhibit F, on a quarterly basis to any rating agency currently rating
the Program.

     Section 3.02 Filings. Principal Life hereby covenants to file, or cause
to be filed, in a timely manner on behalf of the Trust all reports,
certifications or similar filings required under the Securities Exchange Act of
1934, as amended.

ARTICLE 4

     Section 4.01 No Additional Liability. Nothing in this Coordination
Agreement shall impose any liability or obligation on the part of any party to
this Coordination Agreement to make any payment or disbursement in addition to
any liability or obligation such party has under the Program Documents, except
to the extent that a party has actually received funds which it is obligated to
disburse pursuant to this Coordination Agreement.

E-2

 

     Section 4.02 No Conflict. This Coordination Agreement is intended to be
in furtherance of the agreements reflected in the documents related to the
Program Documents, and not in conflict. To the extent that a provision of this
Coordination Agreement conflicts with the provisions of one or more Program
Documents, the provisions of such Program Documents shall govern.

     Section 4.03 Governing Law. This Coordination Agreement shall be governed
by and construed in accordance with the laws of the State of New York without
regard to the principles of conflicts of laws thereof.

     Section 4.04 Severability. If any provision in this Coordination
Agreement shall be invalid, illegal or unenforceable, such provision shall be
deemed severable from the remaining provisions of this Coordination Agreement
and shall in no way affect the validity or enforceability of such other
provisions of this Coordination Agreement.

     Section 4.05 Severability. If any provision in this Coordination
Agreement shall be invalid, illegal or unenforceable, such provision shall be
deemed severable from the remaining provisions of this Coordination Agreement
and shall in no way affect the validity or enforceability of such other
provisions of this Coordination Agreement.

     Section 4.06 Notices. All demands, notices and communications under this
Coordination Agreement shall be in writing and shall be deemed to have been
duly given upon receipt at the addresses set forth below:

	 	 	 
	To the Trust:
	 	 
	 
	

	 	Principal Life Income Fundings
Trust (followed by the number set forth in the Omnibus Instrument)
	

	 	c/o U.S. Bank Trust National Association
	

	 	100 Wall Street, 16th Floor
	

	 	New York, New York 10005
	

	 	Attention: Corporate Trust Administration
	

	 	Telephone: (212) 361-2458
	

	 	Facsimile: (212) 809-5459 and (212) 509-3384
	 
	To the Indenture Trustee:
	 	 
	 
	

	 	Citibank, N.A.
	

	 	Citibank Agency & Trust
	

	 	388 Greenwich Street, 14th Floor
	

	 	New York, New York 10013
	

	 	Attention: Nancy Forte
	

	 	Telephone: (212) 816-5685
	

	 	Facsimile: (212) 816-5527

E-3

 

	 	 	 
	To Principal Life:

	 
	

	 	Principal Life Insurance Company
	

	 	711 High Street
	

	 	Des Moines, Iowa 50392
	

	 	Attention: General Counsel
	

	 	Telephone: (515) 247-5111
	

	 	Facsimile: (515) 248-3011
	 
	 	 	With a copy to:

	 
	

	 	Principal Life Insurance Company
	

	 	711 High Street
	

	 	Des Moines, Iowa 50392
	

	 	Attention: Jim Fifield
	

	 	Telephone: (515) 248-9196
	

	 	Facsimile: (515) 235-9353
	 
	To PFG:

	 
	

	 	Principal Financial Group, Inc.
	

	 	711 High Street
	

	 	Des Moines, Iowa 50392
	

	 	Attention: General Counsel
	

	 	Telephone: (515) 247-5111
	

	 	Facsimile: (515) 248-3011
	 
	 	 	With a copy to:
	 	 
	 
	

	 	Principal Life Insurance Company
	

	 	711 High Street
	

	 	Des Moines, Iowa 50392
	

	 	Attention: Jim Fifield
	

	 	Telephone: (515) 248-9196
	

	 	Facsimile: (515) 235-9353
	 
	To Principal Financial
Services, Inc.:
	 	 
	 
	

	 	Principal Financial Services, Inc.
	

	 	711 High Street
	

	 	Des Moines, Iowa 50392
	

	 	Attention: General Counsel
	

	 	Telephone: (515) 247-5111
	

	 	Facsimile: (515) 248-3011

E-4

 

	 	 	 
	 	 	With a copy to:
	 	 
	 
	

	 	Principal Life Insurance Company
	

	 	711 High Street
	

	 	Des Moines, Iowa 50392
	

	 	Attention: Jim Fifield
	

	 	Telephone: (515) 248-9196
	

	 	Facsimile: (515) 235-9353
	 
	To Bankers Trust Company, N.A:
	 	 
	 
	

	 	Bankers Trust Company, N.A.
	

	 	665 Locust Street
	

	 	Des Moines, Iowa 50309-3702
	

	 	Attention: Angela C. Brick
	

	 	Telephone: (515) 245-2820
	

	 	Facsimile: (515) 247-2101

or at such other address as shall be designated by any such party in a written
notice to the other parties.

ARTICLE 5

     Section 5.01 Omnibus Instrument; Execution and Incorporation of Terms.

     The parties to this Coordination Agreement will enter into this
Coordination Agreement by executing the Omnibus Instrument.

     By executing the Omnibus Instrument, each party hereto agrees that this
Coordination Agreement will constitute a legal, valid and binding agreement by
and among the Trust, Principal Life, PFG, PFSI, the Custodian and the Indenture
Trustee.

     All terms relating to the Trust or the Notes not otherwise included in
this Coordination Agreement will be as specified in the Omnibus Instrument or
Pricing Supplement, as indicated herein.

     Section 5.02 Acknowledgment. Principal Life hereby acknowledges Section
2.10 of the Indenture and Section 6.1 of the Custodial Agreement. The Trust
hereby acknowledges and agrees to the terms of the Custodial Agreement.

     Section 5.03 Counterparts. This Coordination Agreement, through the
Omnibus Instrument, may be executed in any number of counterparts, each of
which counterparts shall be deemed to be an original, and all of which
counterparts shall constitute but one and the same instrument.

     Section 5.04 Capitalized Terms. All capitalized terms used herein and not
otherwise defined in this Coordination Agreement will have the meanings set
forth in the Indenture.

[Remainder of Page Intentionally Left Blank.]

E-5

 

SECTION F

MISCELLANEOUS AND EXECUTION PAGES

     This Omnibus Instrument may be executed by each of the parties hereto in any number of
counterparts, and by each of the parties hereto on separate counterparts, each of which
counterparts, when so executed and delivered, shall be deemed to be an original, but all such
counterparts shall together constitute but one and the same instrument.

     Each signatory, by its execution hereof, does hereby become a party to each of the agreements
or indenture identified for such party as of the date specified in such agreements or indenture.

     IN WITNESS WHEREOF, the undersigned have executed this Omnibus Instrument with respect to the
Notes as of the date first written above.

	 	 	 	 	 
	 	PRINCIPAL LIFE INSURANCE COMPANY (in executing below agrees and becomes a party to (i) the Terms Agreement set forth in Section D herein and (ii) the Coordination Agreement set forth in Section E herein)

 	 
	 	By:  	/s/ Christopher P. Freese
 	 
	 	 	Name:  	Christopher P. Freese 	 
	 	 	Title:  	Officer 	 
	 
	 	PRINCIPAL FINANCIAL GROUP, INC. (in executing below agrees and becomes a party to (i) the Terms Agreement set forth in Section D herein and (ii) the Coordination Agreement set forth in Section E herein)

 	 
	 	By:  	/s/ Christopher P. Freese
 	 
	 	 	Name:  	Christopher P. Freese 	 
	 	 	Title:  	Officer 	 
	 
	 	PRINCIPAL FINANCIAL SERVICES, INC. (in executing below agrees and becomes a party to (i) the License Agreement set forth in Section B herein and (ii) the Coordination Agreement set forth in Section E herein)

 	 
	 	By:  	/s/ Elizabeth D. Swanson
 	 
	 	 	Name:  	Elizabeth D. Swanson 	 
	 	 	Title:  	Counsel 	 
	 

[Execution Page 1 of 3]

 

 

	 	 	 	 	 
	 	THE PRINCIPAL LIFE INCOME FUNDINGS TRUST DESIGNATED IN THIS OMNIBUS INSTRUMENT (in executing below agrees and becomes a party to (i) the License Agreement set forth in Section B herein, (ii) the Indenture set forth in Section C herein, (iii) the Terms Agreement set forth in Section D herein and (iv) the Coordination Agreement set forth in Section E herein)

By: U.S. Bank Trust National Association, not in its individual capacity but solely in its capacity as trustee of the Trust

 	 
	 	By:  	/s/ Thomas E. Tabor
 	 
	 	 	Name:  	Thomas E. Tabor 	 
	 	 	Title:  	President 	 
	 
	 	U.S. BANK TRUST NATIONAL ASSOCIATION (in executing below agrees and becomes a party to the Trust Agreement set forth in Section A herein), as Trustee

 	 
	 	By:  	/s/ Thomas E. Tabor
 	 
	 	 	Name:  	Thomas E. Tabor 	 
	 	 	Title:  	President 	 
	 
	 	GSS HOLDINGS II, INC. (in executing below agrees and becomes a party to the Trust Agreement set forth in Section A herein), as Trust Beneficial Owner

 	 
	 	By:  	/s/ Andrew L. Stidd
 	 
	 	 	Name:  	Andrew L. Stidd 	 
	 	 	Title:  	President 	 
	 
	 	CITIBANK, N.A. (in executing below agrees and becomes a party to (i) the Indenture set forth in Section C herein, as Indenture Trustee, Registrar, Transfer Agent, Paying Agent and Calculation Agent and (ii) the Coordination Agreement set forth in Section E herein), as Indenture Trustee, Registrar, Transfer Agent, Paying Agent and Calculation Agent

 	 
	 	By:  	/s/ Nancy Forte
 	 
	 	 	Name:  	Nancy Forte 	 
	 	 	Title:  	Assistant Vice President 	 
	 

[Execution Page 2 of 3]

 

 

	 	 	 	 	 
	 	BANKERS TRUST COMPANY, N.A. (in executing below agrees and becomes a party to the Coordination Agreement set forth in Section E herein)

 	 
	 	By:  	/s/ Diana L. Cook
 	 
	 	 	Name:  	Diana L. Cook 	 
	 	 	Title:  	Vice President 	 
	 
	 	MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED (in executing below agrees and becomes a party to the Terms Agreement set forth in Section D herein)

 	 
	 	By:  	/s/ Diane Kenna
 	 
	 	 	Name:  	Diane Kenna 	 
	 	 	Title:  	Authorized Signatory 	 
	 

[Execution Page 3 of 3]

 

 

INDEX OF EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT

	 	 	 
	Exhibit A

	 	Standard Trust Terms – Incorporated herein by reference to
Exhibit 4.6 to Principal Life Insurance Company’s and Principal
Financial Group, Inc.’s Registration Statement on Form S-3
(Registration Nos. 333-110499 and 333-110499-01).
	 
	 	 
	Exhibit B

	 	Standard License Agreement Terms – Incorporated herein by
reference to Exhibit 99.1 to Principal Life Insurance Company’s
Current Report on Form 8-K, filed on March 29, 2004.
	 
	 	 
	Exhibit C

	 	Standard Indenture Terms – Incorporated herein by reference to
Exhibit 4.1 to Principal Life Insurance Company’s and Principal
Financial Group, Inc.’s Registration Statement on Form S-3
(Registration Nos. 333-110499 and 333-110499-01).
	 
	 	 
	Exhibit D

	 	Pricing Supplement – Incorporated herein by reference to the
Pricing Supplement with respect to Principal Life Income Fundings
Trust 2005-115, filed on November 14, 2005, with the Securities
and Exchange Commission pursuant to Rule 424(b)(5) under the
Securities Act of 1933, as amended.
	 
	 	 
	Exhibit E

	 	Principal Life Insurance Company Officer’s Certificate
	 
	 	 
	Exhibit F

	 	Principal Life Income Fundings Trusts Trustee Officer’s Certificate
	 
	 	 
	Schedule I

	 	Terms Agreement Specifications

I-1

 

 

EXHIBIT E

Principal Life Insurance Company

Officer’s Certificate

     The undersigned, an officer of Principal Life Insurance Company, an Iowa
stock life insurance company (“Principal Life”), does hereby certify to
Standard & Poor’s Ratings Services, a division of The McGraw-Hill Companies,
Inc., in such capacity and on behalf of Principal Life, to the knowledge of the
undersigned and after reasonable inquiry, that:

	 	 	 
	1.

	 	each of the representations and warranties of Principal Life
contained in each Expense and Indemnity Agreement entered into in
connection with the Registration Statement (defined below), and each
Funding Agreement issued in connection with the Program (the
“Specified Agreements”) (other than any representation or warranty
expressly made as of a date prior to the date hereof) are true and
correct on and as of the date hereof, with the same effect as though
such representation or warranty had been made on and as of the date
hereof;
	 
	2.

	 	no default under any of the Specified Agreements and no event
or any condition which, with notice or lapse of time or both, would
become a default, has occurred and is continuing as of the date
hereof;
	 
	3.

	 	Principal Life has performed and complied with, respectively,
in all material respects, all of the agreements, covenants,
obligations and conditions applicable to Principal Life required by
the Specified Agreements to be performed or complied with by
Principal Life on or before the date hereof;
	 
	4.

	 	the Registration Statement filed on Form S-3 (File Nos.
333-110499 and 333-110499-01) (the “Registration Statement”) by
Principal Life and Principal Financial Group, Inc. has been declared
effective by the Securities and Exchange Commission (the
“Commission”) under the Securities Act of 1933, as amended (the
“Act”) and no stop order suspending the effectiveness of the
Registration Statement has been issued and no proceedings for that
purpose have been commenced by or are pending before or contemplated
by the Commission;
	 
	5.

	 	all filings, if any, required by Rule 424 and Rule 430A under
the Act have been made in a timely manner;
	 
	6.

	 	since
     , the Trusts organized in connection with the
program contemplated by the Registration Statement have issued the
following series of Notes:
	 
	

	 	[List each series of Notes.] [(collectively, the “Designated Notes”)]; and
	 
	7.

	 	the Funding Agreements issued in connection with the Designated
Notes have been executed and delivered by Principal Life in accordance
with the terms and conditions of the Program Documents.

E-1

 

          Capitalized terms used herein and not otherwise defined herein shall have the meanings set
forth in the Standard Indenture Terms attached as Exhibit 4.1 to the
Registration Statement.

     IN WITNESS WHEREOF, the undersigned has executed this Certificate as of
the • day of •, 200•.

	 	 	 
	

	[Name], [in his/her] capacity as an
authorized officer of Principal Life
	 
	 	By:
	 
	 	 	

	

	 	Name:
	

	 	Title:

	 	 	 	 	 

E-2

 

EXHIBIT F

Principal Life Income Fundings Trusts

Trustee Officer’s Certificate

     U.S. Bank Trust National Association, not in its individual capacity but
solely in its capacity as trustee acting on behalf of each common law trust
organized under the laws of the State of New York (in such capacity, the
“Trustee,” and each such common law trust being referred to herein as, a
“Trust”) in connection with the program contemplated by Registration Statement
Nos. 333-110499 and 333-110499-01 filed on Form S-3 (the “Registration
Statement”) by Principal Life Insurance Company and Principal Financial Group,
Inc. with the Securities and Exchange Commission, does hereby certify to
Standard & Poor’s Ratings Services, a division of The McGraw-Hill Companies,
Inc., in such capacity and on behalf of each Trust, to the knowledge of the
Trustee, that:

	 	 	 
	1.

	 	each of the representations and warranties of each Trust
contained in the Notes issued in connection with the Program, each
Indenture entered into in connection with the Registration Statement
and the Expense and Indemnity Agreement concerning the Trusts (the
“Specified Agreements”) (other than any representation or warranty
expressly made as of a date prior to the date hereof) are true and
correct on and as of the date hereof, with the same effect as though
such representation or warranty had been made on and as of the date
hereof;
	 
	2.

	 	no default under any of the Specified Agreements and no event
or any condition which, with notice or lapse of time or both, would
become a default, has occurred and is continuing as of the date
hereof;
	 
	3.

	 	each Trust has performed and complied with, respectively, in
all material respects, all of the agreements, covenants, obligations
and conditions applicable to such Trust required by the Specified
Agreements to be performed or complied with by such Trust on or
before the date hereof;
	 
	4.

	 	the Notes issued in connection with the Program, have been
issued, in all material respects, in accordance with the terms and
conditions of the Program Documents; and
	 
	5.

	 	each Funding Agreement has been executed and delivered by the
related Trust in accordance with the terms and conditions of the
Program Documents.

     Capitalized terms used herein and not otherwise defined herein shall have
the meanings set forth in the Standard Indenture Terms attached as Exhibit 4.1
to the Registration Statement. In no event shall U.S. Bank Trust National
Association in its personal corporate capacity have any liability for any of
the certifications or statements contained in this Trustee Officer’s
Certificate, such liability being solely that of each Trust.

F-1

 

     IN WITNESS WHEREOF, the undersigned has executed this Certificate as of
the • day of •, 200•.

	 	 	 
	

	 	U.S. Bank Trust National Association, not
in its capacity but solely in its capacity
as Trustee acting on behalf of each Trust
	 
	 	By:
	 
	 	 	

	

	 	Name:
	

	 	Title:

F-2

 

SCHEDULE I

Terms Agreement Specifications

      In connection with Section 3(a)(iv) of the Distribution Agreement, the Program under which the
Notes are issued is rated Aa2 by Moody’s Investors Service, Inc. (“Moody’s”) and AA by Standard &
Poor’s Rating Services, a division of The McGraw-Hill Companies, Inc. (“S&P”). Principal Life and
PFG expect that the Notes will be rated Aa2 by Moody’s. The Company’s financial strength rating is
Aa2 by Moody’s and AA by S&P. All capitalized terms used herein and not otherwise defined herein
will have the meanings set forth in the Distribution Agreement.

I-1exv4w1

 

 

MAVERICK TUBE CORPORATION

as Issuer

and

THE BANK OF NEW YORK TRUST COMPANY, N.A.

as Trustee

INDENTURE

Dated as of November 15, 2005

1.875% Convertible Senior Subordinated Notes due 2025

 

 

 

TABLE OF CONTENTS

	 	 	 	 	 	 	 
	 	 	 	 	PAGE
	 

	 	ARTICLE 1	 	 	 	 
	 

	 	DEFINITIONS	 	 	 	 
	 
	 	 	 	 	 	 
	Section 1.01.

	 	Definitions
	 	 	1	 
	 

	 	ARTICLE 2	 	 	 	 
	 

	 	ISSUE, DESCRIPTION, EXECUTION, REGISTRATION AND EXCHANGE OF NOTES	 	 	 	 
	 
	 	 	 	 	 	 
	Section 2.01.

	 	Designation and Amount
	 	 	12	 
	Section 2.02.

	 	Form of Notes
	 	 	12	 
	Section 2.03.

	 	Date and Denomination of Notes; Payments of Interest
	 	 	12	 
	Section 2.04.

	 	Date and Denomination of Notes; Payments of Additional Interest
	 	 	14	 
	Section 2.05.

	 	Execution, Authentication and Delivery of Notes
	 	 	14	 
	Section 2.06.

	 	Exchange and Registration of Transfer of Notes; Restrictions on
Transfer; Depositary
	 	 	15	 
	Section 2.07.

	 	Mutilated, Destroyed, Lost or Stolen Notes
	 	 	20	 
	Section 2.08.

	 	Temporary Notes
	 	 	21	 
	Section 2.09.

	 	Cancellation of Notes Paid, Etc
	 	 	21	 
	Section 2.10.

	 	CUSIP Numbers
	 	 	21	 
	Section 2.11.

	 	Additional Notes; Repurchases
	 	 	22	 
	 

	 	ARTICLE 3	 	 	 	 
	 

	 	REDEMPTION	 	 	 	 
	 
	 	 	 	 	 	 
	Section 3.01.

	 	Right to Redeem; Notice to Trustee
	 	 	22	 
	Section 3.02.

	 	Selection of Notes to be Redeemed
	 	 	22	 
	Section 3.03.

	 	Notice of Redemption
	 	 	23	 
	Section 3.04.

	 	Effect of Notice of Redemption
	 	 	23	 
	Section 3.05.

	 	Deposit of Redemption Price
	 	 	24	 
	Section 3.06.

	 	Securities Redeemed in Part
	 	 	24	 
	 

	 	ARTICLE 4	 	 	 	 
	 

	 	SUBORDINATION	 	 	 	 
	 
	 	 	 	 	 	 
	Section 4.01.

	 	Notes Subordinate to Senior Indebtedness
	 	 	24	 
	Section 4.02.

	 	No Payment on Notes in Certain Circumstances
	 	 	25	 
	Section 4.03.

	 	Notes Subordinated to Prior Payment of All Senior Indebtedness on
Dissolution, Liquidation or Reorganization
	 	 	26	 
	Section 4.04.

	 	Subrogation to Rights of Holders of Senior Indebtedness
	 	 	27	 

i

 

 

TABLE OF CONTENTS

(continued)

	 	 	 	 	 	 	 
	 	 	 	 	PAGE
	 
	 	 	 	 	 	 
	Section 4.05.

	 	Obligations of the Company Unconditional
	 	 	27	 
	Section 4.06.

	 	Trustee Entitled to Assume Payments Not Prohibited in Absence of
Notice
	 	 	28	 
	Section 4.07.

	 	Application by Trustee of Amounts Deposited with It
	 	 	28	 
	Section 4.08.

	 	Subordination Rights Not Impaired by Acts or Omissions of the Company
or Holders of Senior Indebtedness
	 	 	28	 
	Section 4.09.

	 	Trustee to Effectuate Subordination of Notes
	 	 	29	 
	Section 4.10.

	 	Right of Trustee to Hold Senior Indebtedness
	 	 	29	 
	Section 4.11.

	 	Article IV Not to Prevent Events of Default
	 	 	29	 
	Section 4.12.

	 	No Fiduciary Duty of Trustee to Holders of Senior Indebtedness
	 	 	29	 
	Section 4.13.

	 	Article Applicable to Paying Agent
	 	 	29	 
	Section 4.14.

	 	Notes Pari Passu with the 2033 Notes
	 	 	30	 
	 

	 	ARTICLE 5	 	 	 	 
	 

	 	PARTICULAR COVENANTS OF THE COMPANY	 	 	 	 
	 
	 	 	 	 	 	 
	Section 5.01.

	 	Payment of Principal, Premium, Interest and Additional Interest
	 	 	30	 
	Section 5.02.

	 	Maintenance of Office or Agency
	 	 	30	 
	Section 5.03.

	 	Appointments to Fill Vacancies in Trustee’s Office
	 	 	31	 
	Section 5.04.

	 	Provisions as to Paying Agent
	 	 	31	 
	Section 5.05.

	 	Existence
	 	 	32	 
	Section 5.06.

	 	Rule 144A Information Requirement
	 	 	32	 
	Section 5.07.

	 	Stay, Extension and Usury Laws
	 	 	32	 
	Section 5.08.

	 	Compliance Certificate; Statements as to Defaults
	 	 	33	 
	Section 5.09.

	 	Additional Interest
	 	 	33	 
	Section 5.10.

	 	Further Instruments and Acts
	 	 	33	 
	Section 5.11.

	 	Resale Of The Notes
	 	 	33	 
	 

	 	ARTICLE 6	 	 	 	 
	 

	 	LISTS OF NOTEHOLDERS AND REPORTS BY THE COMPANY AND THE TRUSTEE	 	 	 	 
	 
	 	 	 	 	 	 
	Section 6.01.

	 	Lists of Noteholders
	 	 	33	 
	Section 6.02.

	 	Preservation and Disclosure of Lists
	 	 	34	 
	Section 6.03.

	 	Reports by Trustee
	 	 	34	 
	Section 6.04.

	 	Reports by Company
	 	 	34	 

ii

 

 

TABLE OF CONTENTS

(CONTINUED)

	 	 	 	 	 	 	 
	 	 	 	 	Page
	 
	 	 	 	 	 	 
	 

	 	ARTICLE 7	 	 	 	 
	 

	 	DEFAULTS AND REMEDIES	 	 	 	 
	 
	 	 	 	 	 	 
	Section 7.01.

	 	Events of Default
	 	 	35	 
	Section 7.02.

	 	Payments of Notes on Default; Suit Therefor
	 	 	37	 
	Section 7.03.

	 	Application of Monies Collected by Trustee
	 	 	38	 
	Section 7.04.

	 	Proceedings by Noteholders
	 	 	39	 
	Section 7.05.

	 	Proceedings by Trustee
	 	 	40	 
	Section 7.06.

	 	Remedies Cumulative and Continuing
	 	 	40	 
	Section 7.07.

	 	Direction of Proceedings and Waiver of Defaults by Majority of
Noteholders
	 	 	40	 
	Section 7.08.

	 	Notice of Defaults
	 	 	41	 
	Section 7.09.

	 	Undertaking to Pay Costs
	 	 	41	 
	 

	 	ARTICLE 8	 	 	 	 
	 

	 	CONCERNING THE TRUSTEE	 	 	 	 
	 
	 	 	 	 	 	 
	Section 8.01.

	 	Duties and Responsibilities of Trustee
	 	 	41	 
	Section 8.02.

	 	Reliance on Documents, Opinions, Etc. Except as otherwise provided in
Section 8.01:
	 	 	43	 
	Section 8.03.

	 	No Responsibility for Recitals, Etc
	 	 	44	 
	Section 8.04.

	 	Trustee, Paying Agents, Conversion Agents or Registrar May Own Notes
	 	 	44	 
	Section 8.05.

	 	Monies to Be Held in Trust
	 	 	44	 
	Section 8.06.

	 	Compensation and Expenses of Trustee
	 	 	44	 
	Section 8.07.

	 	Officers’ Certificate as Evidence
	 	 	45	 
	Section 8.08.

	 	Conflicting Interests of Trustee
	 	 	45	 
	Section 8.09.

	 	Eligibility of Trustee
	 	 	46	 
	Section 8.10.

	 	Resignation or Removal of Trustee
	 	 	46	 
	Section 8.11.

	 	Acceptance by Successor Trustee
	 	 	47	 
	Section 8.12.

	 	Succession by Merger, Etc
	 	 	48	 
	Section 8.13.

	 	Limitation on Rights of Trustee as Creditor
	 	 	48	 
	Section 8.14.

	 	Trustee’s Application for Instructions from the Company
	 	 	48	 

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TABLE OF CONTENTS

(continued)

	 	 	 	 	 	 	 
	 	 	 	 	Page
	 
	 	 	 	 	 	 
	 

	 	ARTICLE 9	 	 	 	 
	 

	 	CONCERNING THE NOTEHOLDERS	 	 	 	 
	 
	 	 	 	 	 	 
	Section 9.01.

	 	Action by Noteholders
	 	 	49	 
	Section 9.02.

	 	Proof of Execution by Noteholders
	 	 	49	 
	Section 9.03.

	 	Who Are Deemed Absolute Owners
	 	 	49	 
	Section 9.04.

	 	Company-Owned Notes Disregarded
	 	 	49	 
	Section 9.05.

	 	Revocation of Consents; Future Holders Bound
	 	 	50	 
	 

	 	ARTICLE 10	 	 	 	 
	 

	 	NOTEHOLDERS’ MEETINGS	 	 	 	 
	 
	 	 	 	 	 	 
	Section 10.01.

	 	Purpose of Meetings
	 	 	50	 
	Section 10.02.

	 	Call of Meetings by Trustee
	 	 	51	 
	Section 10.03.

	 	Call of Meetings by Company or Noteholders
	 	 	51	 
	Section 10.04.

	 	Qualifications for Voting
	 	 	51	 
	Section 10.05.

	 	Regulations
	 	 	51	 
	Section 10.06.

	 	Voting
	 	 	52	 
	Section 10.07.

	 	No Delay of Rights by Meeting
	 	 	52	 
	 

	 	ARTICLE 11	 	 	 	 
	 

	 	SUPPLEMENTAL INDENTURES	 	 	 	 
	 
	 	 	 	 	 	 
	Section 11.01.

	 	Supplemental Indentures Without Consent of Noteholders
	 	 	53	 
	Section 11.02.

	 	Supplemental Indentures With Consent of Noteholders
	 	 	54	 
	Section 11.03.

	 	Effect of Supplemental Indentures
	 	 	55	 
	Section 11.04.

	 	Notation on Notes
	 	 	55	 
	Section 11.05.

	 	Evidence of Compliance of Supplemental Indenture to Be Furnished
Trustee
	 	 	55	 
	 

	 	ARTICLE 12	 	 	 	 
	 

	 	CONSOLIDATION, MERGER, SALE, CONVEYANCE AND LEASE	 	 	 	 
	 
	 	 	 	 	 	 
	Section 12.01.

	 	Company May Consolidate, Etc. on Certain Terms
	 	 	56	 
	Section 12.02.

	 	Successor Corporation to be Substituted
	 	 	56	 
	Section 12.03.

	 	Officer’s Certificate and Opinion of Counsel to Be Given Trustee
	 	 	57	 
	 

	 	ARTICLE 13	 	 	 	 
	 

	 	SATISFACTION AND DISCHARGE OF INDENTURE	 	 	 	 
	 
	 	 	 	 	 	 
	Section 13.01.

	 	Discharge of Indenture
	 	 	57	 

iv

 

 

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(continued)

	 	 	 	 	 	 	 
	 	 	 	 	Page
	 
	 	 	 	 	 	 
	Section 13.02.

	 	Deposited Monies to Be Held in Trust by Trustee
	 	 	58	 
	Section 13.03.

	 	Paying Agent to Repay Monies Held
	 	 	58	 
	Section 13.04.

	 	Return of Unclaimed Monies
	 	 	58	 
	Section 13.05.

	 	Reinstatement
	 	 	58	 
	 

	 	ARTICLE 14	 	 	 	 
	 

	 	IMMUNITY OF INCORPORATORS, STOCKHOLDERS, OFFICERS AND DIRECTORS	 	 	 	 
	 
	 	 	 	 	 	 
	Section 14.01.

	 	Indenture and Notes Solely Corporate Obligations
	 	 	59	 
	 

	 	ARTICLE 15	 	 	 	 
	 

	 	CONVERSION OF NOTES	 	 	 	 
	 
	 	 	 	 	 	 
	Section 15.01.

	 	Conversion Privilege
	 	 	59	 
	Section 15.02.

	 	Conversion Procedure
	 	 	62	 
	Section 15.03.

	 	[Intentionally Omitted]
	 	 	65	 
	Section 15.04.

	 	Adjustment of Conversion Rate
	 	 	65	 
	Section 15.05.

	 	Shares to Be Fully Paid
	 	 	73	 
	Section 15.06.

	 	Effect of Reclassification, Consolidation, Merger or Sale
	 	 	73	 
	Section 15.07.

	 	Certain Covenants
	 	 	74	 
	Section 15.08.

	 	Responsibility of Trustee
	 	 	75	 
	Section 15.09.

	 	Notice to Holders Prior to Certain Actions
	 	 	75	 
	Section 15.10.

	 	Shareholder Rights Plans
	 	 	76	 
	 

	 	ARTICLE 16	 	 	 	 
	 

	 	REPURCHASE OF NOTES AT OPTION OF HOLDERS	 	 	 	 
	 
	 	 	 	 	 	 
	Section 16.01.

	 	Purchase of Securities at Option of the Holder on Specified Dates
	 	 	76	 
	Section 16.02.

	 	Repurchase at Option of Holders Upon a Fundamental Change
	 	 	80	 
	 

	 	ARTICLE 17	 	 	 	 
	 

	 	MISCELLANEOUS PROVISIONS	 	 	 	 
	 
	 	 	 	 	 	 
	Section 17.01.

	 	Provisions Binding on Company’s Successors
	 	 	83	 
	Section 17.02.

	 	Official Acts by Successor Corporation
	 	 	83	 
	Section 17.03.

	 	Addresses for Notices, Etc
	 	 	83	 
	Section 17.04.

	 	Governing Law
	 	 	84	 
	Section 17.05.

	 	Evidence of Compliance with Conditions Precedent; Certificates and
Opinions of Counsel to Trustee
	 	 	84	 
	Section 17.06.

	 	Legal Holidays
	 	 	84	 

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(continued)

	 	 	 	 	 	 	 
	 	 	 	 	Page
	 
	 	 	 	 	 	 
	Section 17.07.

	 	No Security Interest Created
	 	 	85	 
	Section 17.08.

	 	Trust Indenture Act
	 	 	85	 
	Section 17.09.

	 	Benefits of Indenture
	 	 	85	 
	Section 17.10.

	 	Table of Contents, Headings, Etc
	 	 	85	 
	Section 17.11.

	 	Authenticating Agent
	 	 	85	 
	Section 17.12.

	 	Execution in Counterparts
	 	 	86	 

vi

 

 

     INDENTURE dated as of November 15, 2005 between Maverick Tube Corporation, a Delaware
corporation, as issuer (hereinafter sometimes called the “Company”, as more fully set forth in
Section 1.01), and The Bank of New York Trust Company, N.A., a national banking association
organized under the laws of the United States, as trustee (hereinafter sometimes called the
“Trustee”, as more fully set forth in Section 1.01).

WITNESSETH:

     WHEREAS, for its lawful corporate purposes, the Company has duly authorized the issue of its
1.875% Convertible Senior Subordinated Notes due 2025 (hereinafter sometimes called the “Notes”),
initially in an aggregate principal amount not to exceed $220,000,000 (or $250,000,000 if the
Initial Purchaser exercises its option to purchase additional Notes in full as set forth in the
Purchase Agreement), and in order to provide the terms and conditions upon which the Notes are to
be authenticated, issued and delivered, the Company has duly authorized the execution and delivery
of this Indenture; and

     WHEREAS, the Notes, the certificate of authentication to be borne by the Notes, a form of
assignment, a form of the Fundamental Change Repurchase Notice, a form of option to elect repayment
on a Put Right Purchase Date, a form of conversion notice and certificate of transfer to be borne
by the Notes are to be substantially in the forms hereinafter provided for; and

     WHEREAS, all acts and things necessary to make the Notes, when executed by the Company and
authenticated and delivered by the Trustee or a duly authorized authenticating agent, as in this
Indenture provided, the valid, binding and legal obligations of the Company, and to constitute
these presents a valid agreement according to its terms, have been done and performed, and the
execution of this Indenture and the issue hereunder of the Notes have in all respects been duly
authorized.

     NOW, THEREFORE, THIS INDENTURE WITNESSETH:

     That in order to declare the terms and conditions upon which the Notes are, and are to be,
authenticated, issued and delivered, and in consideration of the premises and of the purchase and
acceptance of the Notes by the holders thereof, the Company covenants and agrees with the Trustee
for the equal and proportionate benefit of the respective holders from time to time of the Notes
(except as otherwise provided below), as follows:

ARTICLE 1

DEFINITIONS

     Section 1.01. Definitions.

     (a) The terms defined in this Section 1.01 (except as herein otherwise expressly provided or
unless the context otherwise requires) for all purposes of this Indenture and of any indenture
supplemental hereto shall have the respective meanings specified in this Section 1.01. All other
terms used in this Indenture, which are defined in the Trust Indenture Act or which are by

 

 

reference therein defined in the Securities Act (except as herein otherwise expressly provided
or unless the context otherwise requires) shall have the meanings assigned to such terms in said
Trust Indenture Act and in said Securities Act as in force at the date of the execution of this
Indenture. The words “herein,” “hereof,” “hereunder,” and words of similar import refer to this
Indenture as a whole and not to any particular Article, Section or other Subdivision. The terms
defined in this Article include the plural as well as the singular.

     "Additional Interest” means all Additional Interest Amounts as defined in the Registration
Rights Agreement.

     "Additional Shares” shall have the meaning specified in Section 15.01(e).

     "Adjustment Determination Date” shall have the meaning specified in Section 15.04(j).

     "Adjustment Event” shall have the meaning specified in Section 15.04(j).

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

     "Board of Directors” means the Board of Directors of the Company or a committee of such Board
duly authorized to act for it hereunder.

     "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, or duly authorized
committee thereof (to the extent permitted by applicable law), and to be in full force and effect
on the date of such certification, and delivered to the Trustee.

     "Business Day” means any day, except a Saturday, Sunday or legal holiday on which banking
institutions in The City of New York or the city in which the Corporate Trust Office is located are
authorized or obligated by law or executive order to close.

     "Capital Lease” means a lease that, in accordance with accounting principles generally
accepted in the United States of America, would be recorded as a capital lease on the balance sheet
of the lessee.

     "Capital Stock” means, for any entity, any and all shares, interests, rights to purchase,
warrants, options, participations or other equivalents of or interests in (however designated)
stock issued by that entity.

     "close of business” means 5:00 p.m. (New York City time).

     "Code” means the Internal Revenue Code of 1983, as amended.

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     "Commission” means the Securities and Exchange Commission.

     "Common Stock” means, subject to Section 15.06, shares of common stock of the Company, par
value $0.01 per share, at the date of this Indenture or shares of any class or classes resulting
from any reclassification or reclassifications thereof and that have no preference in respect of
dividends or of amounts payable in the event of any voluntary or involuntary liquidation,
dissolution or winding up of the Company and that are not subject to redemption by the Company;
provided that if at any time there shall be more than one such resulting class, the shares of each
such class then so issuable shall be substantially in the proportion which the total number of
shares of such class resulting from all such reclassifications bears to the total number of shares
of all such classes resulting from all such reclassifications.

     "Company” means Maverick Tube Corporation, a Delaware corporation, and subject to the
provisions of Article XII, shall include its successors and assigns.

     "Company Order” means a written order of the Company, signed by (a) the Company’s Chief
Executive Officer, President, Executive or Senior Vice President, Managing Director or any Vice
President (whether or not designated by a number or numbers or word or words added before or after
the title “Vice President”) and (b) any such other officer designated in (a) or the Company’s
Treasurer or Assistant Treasurer or Secretary or any Assistant Secretary, and delivered to the
Trustee.

     "Company Put Right Notice” shall have the meaning specified in Section 16.01(c).

     "Company Put Right Notice Date” shall have the meaning specified in Section 16.01(c).

     "Conversion Agent” shall have the meaning specified in Section 5.02.

     "Conversion Date” shall have the meaning specified in Section 15.02(c).

     "Conversion Obligation” shall have the meaning specified in Section 15.01(a).

     "Conversion Price” means as of any date $1,000 divided by the Conversion Rate as of such date.

     "Conversion Rate” shall have the meaning specified in Section 15.01(a).

     "Corporate Trust Office” or other similar term means the principal corporate trust office of
the Trustee at which at any particular time its corporate trust business shall be principally
administered, which office is, at the date as of which this Indenture is dated, located at The Bank
of New York Trust Company, N.A., 2 N. LaSalle Street, Suite 1020, Chicago, IL 60602, Attention:
Corporate Trust Administration.

     "Credit Facility” means the Amended and Restated Credit Agreement, dated as of August 5, 2005,
among the Company, certain of its subsidiaries, on the one hand, and JPMorgan Chase Bank, N.A. and
JPMorgan Chase Bank, N.A., Toronto Branch, and certain other parties to the agreement, on the other
hand, and any credit agreement, loan agreement or other financing

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arrangement which, by its terms, supersedes or replaces in whole or in part such credit
agreement.

     "Custodian” means The Bank of New York Trust Company, N.A., as custodian for The Depository
Trust Company, with respect to the Notes in global form, or any successor entity thereto.

     "Daily Conversion Value” means, for each of the 20 consecutive Trading Days during the
Observation Period, one-twentieth (1/20) of the product of (a) the applicable Conversion Rate and
(b) the Daily VWAP of the Common Stock (or the Reference Property pursuant to Section 15.06) on
such day.

     "Daily Settlement Amount,” for each of the 20 Trading Days during the Observation Period,
shall consist of:

     (i) cash equal to the lesser of $50 and the Daily Conversion Value relating to such
day; and

     (ii) if such Daily Conversion Value exceeds $50, a number of shares of Common Stock
equal to (A) the difference between such Daily Conversion Value and $50, divided by (B) the
Daily VWAP of the Common Stock for such day.

     "Daily VWAP” for the Common Stock means, for each of the 20 consecutive Trading Days during
the Observation Period, the per share volume-weighted average price as displayed under the heading
“Bloomberg VWAP” on Bloomberg page MVK <equity> AQR in respect of the period from 9:30 a.m.
to 4:00 p.m. (New York City time) on such Trading Day (or if such volume-weighted average price is
unavailable, the market value of one share of Common Stock on such Trading Day as the Board of
Directors determines in good faith using a volume-weighted method).

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

     "Defaulted Interest” shall have the meaning specified in Section 2.03.

     "Depositary” means, with respect to the Notes issuable or issued in whole or in part in global
form, the person specified in Section 2.06(d) as the Depositary with respect to such Notes, until a
successor shall have been appointed and become such pursuant to the applicable provisions of this
Indenture, and thereafter, “Depositary” shall mean or include such successor.

     "Designated Senior Indebtedness” means (i) any liabilities of the Company for principal,
interest (including all interest accruing after the commencement of any bankruptcy or similar
proceeding, whether or not a claim for post-petition interest is allowed as a claim in any such
proceeding), all letter of credit obligations, fees, indemnification, reimbursement, damages or
other obligations of the Company (including fees, costs, expenses and other amounts accruing after
the commencement of any bankruptcy or similar proceeding, whether or not a claim for post-petition
fees, costs, expenses and other amounts is allowed as a claim in the proceeding) under the Credit
Facility, and (ii) any other Senior Indebtedness as to which the principal amount

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is $25.0 million or more and the instrument creating or evidencing the same (or any related
agreements or documents to which the Company is a party) expressly provides that such Senior
Indebtedness shall be “Designated Senior Indebtedness” for purposes of this Indenture (provided
that such instrument, agreement or other document may place limitations and conditions on the right
of such Senior Indebtedness to exercise the rights of Designated Senior Indebtedness). If any
payment made to any holder of any Designated Senior Indebtedness or its Representative with respect
to such Designated Senior Indebtedness is rescinded or must otherwise be returned by such holder or
Representative upon the insolvency, bankruptcy or reorganization of the Company or otherwise, the
reinstated Indebtedness of the Company arising as a result of such rescission or return shall
constitute Designated Senior Indebtedness effective as of the date of such rescission or return.

     "Disqualified Capital Stock” means (i) except as set forth in (ii), with respect to any
Person, Capital Stock of that Person that, by its terms or by the terms of any security into which
it is convertible, exercisable or exchangeable, is, or on the happening of an event or the passage
of time would be, required to be redeemed or repurchased (including at the option of the holder
thereof) by that Person or any Subsidiary of that Person, in whole or in part, on or prior to the
Maturity Date, and (ii) with respect to any Subsidiary of that Person (including with respect to
any Subsidiary of the Company), any Capital Stock other than any common stock with no preference,
privileges, or redemption or repayment provisions.

     "Distributed Property” shall have the meaning specified in Section 15.04(c).

     "Effective Date” shall have the meaning specified in Section 15.01(e).

     "Event of Default” means, with respect to the Notes, any event specified in Section 7.01,
continued for the period of time, if any, and after the giving of notice, if any, therein
designated.

     "Ex-Dividend Date” means, (a) with respect to Section 15.01(b), the first date upon which a
sale of the Common Stock does not automatically transfer the right to receive the relevant dividend
from the seller of the Common Stock to its buyer, and (b) in all other cases, with respect to any
issuance or distribution on the Common Stock or any other equity security, the first date on which
the shares of Common Stock or such other equity security trade on the applicable exchange or in the
applicable market, regular way, without the right to receive such issuance or distribution.

     "Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and
regulations promulgated thereunder.

     "Fundamental Change” means any transaction or event (whether by means of an exchange offer,
liquidation, tender offer, consolidation, merger, combination, reclassification, recapitalization
or otherwise) in connection with which more than 50% of the Common Stock is exchanged for,
converted into, acquired for or constitutes solely the right to receive, consideration which is not
at least 90% common stock (or American Depositary Shares representing shares of common stock) that
is: (a) listed on, or immediately after such transaction or event, will be listed on, a United
States national securities exchange or (b) approved, or immediately after such transaction or event
will be approved, for quotation on the Nasdaq

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National Market or any similar United States system of automated dissemination of quotations
of securities prices.

     "Fundamental Change Company Notice” shall have the meaning specified in Section 16.02(b).

     "Fundamental Change Expiration Time” shall have the meaning specified in Section 16.02(b).

     "Fundamental Change Repurchase Date” shall have the meaning specified in Section 16.02(a).

     "Fundamental Change Repurchase Notice” shall have the meaning specified in Section
16.02(a)(i).

     "Fundamental Change Repurchase Price” shall have the meaning specified in Section 16.02(a).

     "Global Note” shall have the meaning specified in Section 2.06(b).

     "Indebtedness” as applied to any Person, means (i) obligations, contingent or otherwise, for
money borrowed (other than unamortized debt discount or premium); (ii) reimbursement and other
obligations pertaining to letters of credit issued for the account of such Person; (iii)
obligations under any swap, cap, collar, forward purchase contract, derivatives contract or other
similar agreement pursuant to which such Person hedges risks related to interest rates, currency
exchange rates, commodity prices, financial market conditions or other risks incurred by such
Person in the operation of its business; (iv) obligations evidenced by bonds, debentures,
promissory notes or other instruments or arrangements; (v) obligations as lessee under a Capital
Lease; and (vi) obligations of such Person under any amendments, renewals, extensions,
modifications and refundings of any such indebtedness or obligations listed in clause (i), (ii),
(iii), (iv) or (v) above. All indebtedness of any type described in the immediately preceding
sentence which is secured by a lien upon property owned by such Person, although such Person has
not assumed or become liable for the payment of such indebtedness, shall for all purposes be deemed
to be Indebtedness of such Person. All indebtedness for borrowed money incurred by any other
Persons which is directly guaranteed as to payment of principal by such Person shall for all
purposes be deemed to be Indebtedness of such Person, but no other contingent obligation of such
Person in respect of indebtedness incurred by any other Persons shall for any purpose be deemed to
be indebtedness of such Person.

     "Indenture” means this instrument as originally executed or, if amended or supplemented as
herein provided, as so amended or supplemented.

     "Initial Purchaser” means Morgan Stanley & Co., Incorporated.

     "Interest Payment Date” means May 15 and November 15 of each year, beginning on May 15, 2006.

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     "Junior Security” of a Person means any Qualified Capital Stock of that Person or any
Indebtedness of that Person that is subordinated in right of payment to Senior Indebtedness to
substantially the same extent as, or to a greater extent than, the Notes and has no scheduled
installment of principal due, by redemption, sinking fund payment or otherwise, on or prior to the
Maturity Date.

     "Last Reported Sale Price” means, with respect to the Common Stock or any other security for
which a Last Reported Sale Price must be determined, on any date, the closing sale price per share
of the Common Stock or unit of such other security (or, if no closing sale price is reported, the
average of the last bid and last ask prices or, if more than one in either case, the average of the
average last bid and the average last ask prices) on such date as reported in composite
transactions for the principal U.S. securities exchange on which the Common Stock or such other
security is traded or, if the Common Stock or such other security is not listed on a U.S. national
or regional securities exchange, as reported by the Nasdaq National Market. If the Common Stock or
such other security is not listed for trading on a United States national or regional securities
exchange and not reported by the Nasdaq National Market on the relevant date, the Last Reported
Sale Price shall be the last quoted bid price per share of Common Stock or such other security in
the over-the-counter market on the relevant date, as reported by the National Quotation Bureau or
similar organization. In absence of such quotation, the Last Reported Sale Price shall be the
average of the mid-point of the last bid and asked prices for the Common Stock or such other
security on the relevant date from each of at least three nationally recognized independent
investment banking firms selected from time to time by the Board of Directors of the Company for
that purpose. The Last Reported Sale Price shall be determined without reference to extended or
after hours trading.

     "Market Disruption Event” means the occurrence or existence for more than a one-half hour
period in the aggregate on any scheduled Trading Day for the Common Stock of any suspension or
limitation imposed on trading (by reason of movements in price exceeding limits permitted by the
stock exchange or otherwise) in the Common Stock or in any options, contracts or future contracts
relating to the Common Stock, and such suspension or limitation occurs or exists at any time before
1:00 p.m. (New York City time) on such day.

     "Maturity Date” means November 15, 2025.

     "Measurement Period” shall have the meaning specified in Section 15.01(a)(i).

     "Merger Event” shall have the meaning specified in Section 15.06.

     "Note” or “Notes” means any note or notes, as the case may be, authenticated and delivered
under this Indenture.

     "Noteholder” or “holder,” as applied to any Note, or other similar terms (but excluding the
term “beneficial holder”), means any person in whose name at the time a particular Note is
registered on the Note register.

     "Note register” shall have the meaning specified in Section 2.06(a).

     "Note Registrar” shall have the meaning specified in Section 2.06(a).

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     "Notice of Conversion” shall have the meaning specified in Section 15.02(c).

     "Observation Period” means the 20 consecutive Trading Day period beginning on and including
the second Trading Day after the related Conversion Date in respect of such Note.

     "Officers’ Certificate,” when used with respect to the Company, means a certificate signed by
(a) one of the President, the Chief Executive Officer, any Executive or Senior Vice President,
Managing Director or any Vice President (whether or not designated by a number or numbers or word
added before or after the title “Vice President”) and (b) by any such other officer designated in
(a) or by one of the Treasurer or any Assistant Treasurer, Secretary or any Assistant Secretary or
Controller of the Company, which is delivered to the Trustee. Each such certificate shall include
the statements provided for in Section 17.05 if and to the extent required by the provisions of
such Section. One of the officers giving an Officers’ Certificate pursuant to Section 5.08 shall
be the principal executive, financial or accounting officer of the Company.

     "Opinion of Counsel” means an opinion in writing signed by legal counsel, who may be an
employee of or counsel to the Company, or other counsel acceptable to the Trustee, which is
delivered to the Trustee. Each such opinion shall include the statements provided for in Section
17.05 if and to the extent required by the provisions of such Section.

     "outstanding,” when used with reference to Notes, shall, subject to the provisions of Section
9.04, mean, as of any particular time, all Notes authenticated and delivered by the Trustee under
this Indenture, except:

     (i) Notes theretofore canceled by the Trustee or accepted by the Trustee for
cancellation;

     (ii) Notes, or portions thereof, for the payment or repurchase of which monies in the
necessary amount shall have been deposited in trust with the Trustee or with any Paying
Agent (other than the Company) or shall have been set aside and segregated in trust by the
Company (if the Company shall act as its own Paying Agent);

     (iii) Notes in lieu of which, or in substitution for which, other Notes shall have been
authenticated and delivered pursuant to the terms of Section 2.07 unless proof satisfactory
to the Trustee is presented that any such Notes are held by protected purchasers in due
course; and

     (iv) Notes converted pursuant to Article XV.

     "Paying Agent” shall have the meaning specified in Section 5.02.

     "Payment Blockage Notice” shall have the meaning specified in Section 4.02(b).

     "Payment Default” shall have the meaning specified in Section 4.02(a).

     "Person” means an individual, a corporation, a limited liability company, an association, a
partnership, a joint venture, a joint stock company, a trust, an unincorporated organization or a
government or an agency or a political subdivision thereof.

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     "Portal Market” means The Portal Market operated by the National Association of Securities
Dealers, Inc. or any successor thereto.

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

     "Principal Return” shall have the meaning assigned to it in clause (i) of the definition of
“Daily Settlement Amount.”

     "Purchase Agreement” means that certain Purchase Agreement, dated November 9, 2005, between
the Company and the Initial Purchaser.

     "Put Right Purchase Date” shall have the meaning assigned to it in Section 16.01(a).

     "Put Right Purchase Notice” shall have the meaning assigned to it in Section 16.01(a)(i).

     "Put Right Purchase Price” shall have the meaning assigned to it in Section 16.01(a).

     "Qualified Capital Stock” means any Capital Stock of the Company that is not Disqualified
Capital Stock.

     “record date,” with respect to the payment of interest on any Interest Payment Date, shall
have the meaning specified in Section 2.03.

     "Redemption Date” means the date fixed by the Company for the redemption of all or any portion
of the Notes in accordance with the provision of Article III.

     "Redemption Price” shall have the meaning specified in Section 3.01.

     "Reference Property” shall have the meaning specified in Section 15.06(b).

     "Registration Rights Agreement” means that certain Registration Rights Agreement, dated
November 15, 2005, between the Company and the Initial Purchaser.

     "Representative” means the indenture trustee or other trustee, agent or representative for any
Senior Indebtedness.

     "Resale Restriction Termination Date” shall have the meaning specified in Section 2.06(d).

     "Responsible Officer,” when used with respect to the Trustee, shall mean an officer of the
Trustee in the Corporate Trust Office, having direct responsibility for the administration of this
Indenture, and also, with respect to a particular matter, any other officer to whom such

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matter is referred because of such officer’s knowledge of and familiarity with the particular
subject.

     "Restricted Securities” shall have the meaning specified in Section 2.06(d).

     "Rights Plan” means that certain Amended and Restated Shareholder Rights Agreement dated
September 22, 2000 between the Company and Harris Trust & Savings Bank, as rights agent, as amended
from time to time.

     "Rule 144A” means Rule 144A as promulgated under the Securities Act.

     "Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations
promulgated thereunder.

     "Senior Indebtedness” means the principal of, premium, if any, interest (including all
interest accruing after the commencement of any bankruptcy or similar proceeding, whether or not a
claim for post-petition interest is allowed as a claim in the proceeding), all letter of credit
obligations, obligations under any arrangement described in clause (iii) of the definition of
Indebtedness and Capital Lease payments payable on or in connection with, and all fees, costs,
expenses and other amounts (including fees, costs, expenses and other amounts accruing after the
commencement of any bankruptcy or similar proceeding, whether or not a claim for post-petition
fees, costs, expenses and other amounts is allowed as a claim in the proceeding) accrued or due on
or in connection with, Indebtedness of the Company, whether secured or unsecured, absolute or
contingent, due or to become due, outstanding on the date of this Indenture or thereafter created,
incurred, assumed, guaranteed or in effect guaranteed by the Company (including all deferrals,
renewals, extensions or refundings of, or amendments, modifications or supplements to, the
foregoing), unless in the case of any particular Indebtedness the instrument creating or evidencing
the same or the assumption or guarantee thereof expressly provides that such Indebtedness shall not
be senior in right of payment to the Notes or expressly provides that such Indebtedness is “pari
passu” or “junior” to the Notes. Notwithstanding the foregoing, the term Senior Indebtedness shall
not include the Notes or the 2033 Notes. If any payment made to any holder of any Senior
Indebtedness or its Representative with respect to such Senior Indebtedness is rescinded or must
otherwise be returned by such holder or Representative upon the insolvency, bankruptcy or
reorganization of the Company or otherwise, the reinstated Indebtedness of the Company arising as a
result of such rescission or return shall constitute Senior Indebtedness effective as of the date
of such rescission or return. The Notes will rank pari passu with the 2033 Notes.

     "Spin-Off” shall have the meaning specified in Section 15.04(c).

     "Significant Subsidiary” means such Subsidiary of the Company as meets the definition of
“significant subsidiary” in Rule 1-02 of Regulation S-X promulgated by the Commission as in effect
on the original date of issuance of the Notes.

     "Stock Price” means the price paid per share of Common Stock in connection with a Fundamental
Change pursuant to which Additional Shares shall be added to the Conversion Rate as set forth in
Section 15.01(d) hereof, which shall be equal to (i) if holders of Common Stock receive only cash
in such Fundamental Change, the cash amount paid per share of Common

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Stock and (ii) in all other cases, the average of the Last Reported Sale Prices of the Common
Stock over the five consecutive Trading Day period ending on the Trading Day preceding the
Effective Date of the Fundamental Change.

     "Subsidiary” of the Company means (i) a corporation a majority of whose Capital Stock with
voting power, under ordinary circumstances, to elect directors is at the time, directly or
indirectly, owned by the Company, by the Company and one or more Subsidiaries of the Company or by
one or more Subsidiaries of the Company or (ii) any other Person (other than a corporation) in
which the Company, one or more Subsidiaries of the Company or the Company and one or more
Subsidiaries of the Company, directly or indirectly, at the date of determination thereof, has
greater than a 50% ownership interest.

     "Successor Company” shall have the meaning specified in Section 12.01(a).

     "Trading Day” means a day during which (a) trading in Common Stock generally occurs, (b) there
is no Market Disruption Event and (c) a Last Reported Sale Price for Common Stock (other than a
Last Reported Sale Price referred to in the next to last sentence of such definition) is available
for such day; provided that if the Common Stock is not admitted for trading or quotation on or by
any exchange, bureau or other organization referred to in the definition of Last Reported Sale
Price (excluding the next to last sentence of that definition), Trading Date shall mean any
Business Day.

     "Trading Price” with respect to the Notes, on any date of determination, means the average of
the secondary market bid quotations obtained by the Trustee for $2.0 million principal amount of
Notes at approximately 3:30 p.m., New York City time, on such determination date from three
independent nationally recognized securities dealers selected by the Company; provided that if
three such bids cannot reasonably be obtained by the Trustee, but two such bids are obtained, then
the average of the two bids shall be used, and if only one such bid can reasonably be obtained by
the Trustee, that one bid shall be used. If the Trustee cannot reasonably obtain at least one bid
for $2.0 million principal amount of Notes from a nationally recognized securities dealer, then the
Trading Price per $1,000 principal amount of Notes will be deemed to be less than 103% of the
product of the Last Reported Sale Price of the Common Stock and the Conversion Rate.

     "transfer” shall have the meaning specified in Section 2.06(d).

     "Trigger Event” shall have the meaning specified in Section 15.04(c).

     "Trust Indenture Act” means the Trust Indenture Act of 1939, as amended, as it was in force at
the date of execution of this Indenture; provided, however, that in the event the Trust Indenture
Act of 1939 is amended after the date hereof, the term “Trust Indenture Act” shall mean, to the
extent required by such amendment, the Trust Indenture Act of 1939, as so amended.

     "Trustee” means The Bank of New York Trust Company, N.A., and its successors and any
corporation resulting from or surviving any consolidation or merger to which it or its successors
may be a party and any successor trustee at the time serving as successor trustee hereunder.

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     "2033 Notes” means the Company’s existing 4.00% Convertible Senior Subordinated Notes due June
15, 2033.

ARTICLE 2

ISSUE, DESCRIPTION, EXECUTION, REGISTRATION AND EXCHANGE OF NOTES

     Section 2.01. Designation and Amount. The Notes shall be designated as the “1.875%
Convertible Senior Subordinated Notes due 2025.” The aggregate principal amount of Notes that may
be authenticated and delivered under this Indenture is initially limited to $220,000,000 (or
$250,000,000 if the Initial Purchaser exercises its option to purchase additional Notes in full as
set forth in the Purchase Agreement), subject to Section 2.11 and except for Notes authenticated
and delivered upon registration or transfer of, or in exchange for, or in lieu of other Notes
pursuant to Section 2.06, Section 2.07, Section 11.04, Section 15.02 and Section 16.02 hereof.

     Section 2.02. Form of Notes. The Notes and the Trustee’s certificate of authentication to be
borne by such Notes shall be substantially in the form set forth in Exhibit A.

     Any of the Notes may have such letters, numbers or other marks of identification and such
notations, legends or endorsements as the officers executing the same may approve (execution
thereof to be conclusive evidence of such approval) and as are not inconsistent with the provisions
of this Indenture, or as may be required to comply with any law or with any rule or regulation made
pursuant thereto or with any rule or regulation of any securities exchange or automated quotation
system on which the Notes may be listed or designated for issuance, or to conform to usage or to
indicate any special limitations or restrictions to which any particular Notes are subject.

     The Global Note shall represent such principal amount of the outstanding Notes as shall be
specified therein and shall provide that it shall represent the aggregate principal amount of
outstanding Notes from time to time endorsed thereon and that the aggregate principal amount of
outstanding Notes represented thereby may from time to time be increased or reduced to reflect
repurchases, conversions, transfers or exchanges permitted hereby. Any endorsement of the Global
Note to reflect the amount of any increase or decrease in the amount of outstanding Notes
represented thereby shall be made by the Trustee or the Custodian, at the direction of the Trustee,
in such manner and upon instructions given by the holder of such Notes in accordance with this
Indenture. Payment of principal, accrued and unpaid interest, and Additional Interest, if any, and
premium, if any, on the Global Note shall be made to the holder of such Note on the date of
payment, unless a record date or other means of determining holders eligible to receive payment is
provided for herein.

     The terms and provisions contained in the form of Note attached as Exhibit A hereto are
incorporated herein and shall constitute, and are hereby expressly made, a part of this Indenture
and to the extent applicable, the Company and the Trustee, by their execution and delivery of this
Indenture, expressly agree to such terms and provisions and to be bound thereby.

     Section 2.03. Date and Denomination of Notes; Payments of Interest. The Notes shall be
issuable in registered form without coupons in denominations of $1,000 principal amount and

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integral multiples thereof. Each Note shall be dated the date of its authentication and shall
bear interest from the date specified on the face of the form of Note attached as Exhibit A hereto.
Interest on the Notes shall be computed on the basis of a 360-day year comprised of twelve 30-day
months.

     The Person in whose name any Note (or its Predecessor Note) is registered on the Note register
at the close of business on any record date with respect to any Interest Payment Date shall be
entitled to receive the interest payable on such Interest Payment Date. Interest (including
Additional Interest, if any) shall be payable at the office of the Company maintained by the
Company for such purposes in the Borough of Manhattan, City of New York, which shall initially be
an office or agency of the Trustee. The Company shall pay interest (including Additional Interest,
if any) (i) on any Notes in certificated form by check mailed to the address of the Person entitled
thereto as it appears in the Note register (or upon written application by such Person to the Note
Registrar not later than the relevant record date, by wire transfer in immediately available funds
to such Person’s account within the United States, if such Person is entitled to interest on an
aggregate principal in excess of $1,000,000) or (ii) on any Global Note by wire transfer of
immediately available funds to the account of the Depositary or its nominee. The term “record
date” with respect to any Interest Payment Date shall mean the May 1 or November 1 preceding the
applicable May 15 or November 15 Interest Payment Date, respectively.

     Any interest on any Note which is payable, but is not punctually paid or duly provided for, on
any Interest Payment Date (herein called “Defaulted Interest”) shall forthwith cease to be payable
to the Noteholder on the relevant record date by virtue of his having been such Noteholder, and
such Defaulted Interest shall be paid by the Company, at its election in each case, as provided in
clause (1) or (2) below:

     (1) The Company may elect to make payment of any Defaulted Interest to the Persons in whose
names the Notes (or their respective Predecessor Notes) are registered at the close of business on
a special record date for the payment of such Defaulted Interest, which shall be fixed in the
following manner. The Company shall notify the Trustee in writing of the amount of Defaulted
Interest proposed to be paid on each Note and the date of the proposed payment (which shall be not
less than twenty-five (25) days after the receipt by the Trustee of such notice, unless the Trustee
shall consent to an earlier date), and at the same time the Company shall deposit with the Trustee
an amount of money equal to the aggregate amount to be paid in respect of such Defaulted Interest
or shall make arrangements satisfactory to the Trustee for such deposit on or prior to the date of
the proposed payment, such money when deposited to be held in trust for the benefit of the Persons
entitled to such Defaulted Interest as in this clause provided. Thereupon the Company shall fix a
special record date for the payment of such Defaulted Interest which shall be not more than fifteen
(15) days and not less than ten (10) days prior to the date of the proposed payment, and not less
than ten (10) days after the receipt by the Trustee of the notice of the proposed payment. The
Company shall promptly notify the Trustee of such special record date and the Trustee, in the name
and at the expense of the Company, shall cause notice of the proposed payment of such Defaulted
Interest and the special record date therefor to be mailed, first-class postage prepaid, to each
holder at his address as it appears in the Note Register, not less than ten (10) days prior to such
special record date. Notice of the proposed payment of such Defaulted Interest and the special
record date therefor having been so mailed,

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such Defaulted Interest shall be paid to the Persons in whose names the Notes (or their
respective Predecessor Notes) are registered at the close of business on such special record date
and shall no longer be payable pursuant to the following clause (2) of this Section 2.03.

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

     Section 2.04. Date and Denomination of Notes; Payments of Additional Interest. The Notes
shall be issuable in fully registered form without coupons in denominations of $1,000 principal
amount and integral multiples thereof. Every Note shall be dated the date of its authentication
and shall pay Additional Interest in the manner and to the persons set forth in the Registration
Rights Agreement. Whenever in this Indenture there is mentioned, in any context, the payment of
the principal of, premium, if any, or interest on, or in respect of, any Note, such mention shall
be deemed to include mention of the payment of “Additional Interest” provided for in the
Registration Rights Agreement to the extent that, in such context, Additional Interest is, was or
would be payable in respect thereof pursuant to the provisions of the Registration Rights Agreement
and express mention of the payment of Additional Interest (if applicable) in any provisions hereof
shall not be construed as excluding Additional Interest in those provisions hereof where such
express mention is not made. The Trustee may conclusively rely on the Company’s calculation of the
Additional Interest amounts due and owing on any date on which principal or interest payments on
the Notes are due.

     Section 2.05. Execution, Authentication and Delivery of Notes. The Notes shall be signed in
the name and on behalf of the Company by the manual or facsimile signature of its Chairman or
Vice-Chairman of the Board of Directors, Chief Executive Officer, President, any of its Executive
or Senior Vice Presidents, Managing Director, or any of its Vice Presidents (whether or not
designated by a number or numbers or word or words added before or after the title “Vice
President”).

     At any time and from time to time after the execution and delivery of this Indenture, the
Company may deliver Notes executed by the Company to the Trustee for authentication, together with
a Company Order for the authentication and delivery of such Notes, and the Trustee in accordance
with such Company Order shall authenticate and deliver such Notes, without any further action by
the Company hereunder.

     Only such Notes as shall bear thereon a certificate of authentication substantially in the
form set forth on the form of Note attached as Exhibit A hereto, manually executed by the Trustee
(or an authenticating agent appointed by the Trustee as provided by Section 17.11), shall be
entitled to the benefits of this Indenture or be valid or obligatory for any purpose. Such
certificate by the Trustee (or such an authenticating agent) upon any Note executed by the Company
shall be conclusive evidence that the Note so authenticated has been duly authenticated and
delivered hereunder and that the holder is entitled to the benefits of this Indenture.

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     In case any officer of the Company who shall have signed any of the Notes shall cease to be
such officer before the Notes so signed shall have been authenticated and delivered by the Trustee,
or disposed of by the Company, such Notes nevertheless may be authenticated and delivered or
disposed of as though the person who signed such Notes had not ceased to be such officer of the
Company; and any Note may be signed on behalf of the Company by such persons as, at the actual date
of the execution of such Note, shall be the proper officers of the Company, although at the date of
the execution of this Indenture any such person was not such an officer.

     Section 2.06. Exchange and Registration of Transfer of Notes; Restrictions on Transfer;
Depositary.

     (a) The Company shall cause to be kept at the Corporate Trust Office a register (the register
maintained in such office and in any other office or agency of the Company designated pursuant to
Section 5.02 being herein sometimes collectively referred to as the “Note register”) in which,
subject to such reasonable regulations as it may prescribe, the Company shall provide for the
registration of Notes and of transfers of Notes. Such register shall be in written form or in any
form capable of being converted into written form within a reasonable period of time. The Trustee
is hereby appointed “Note Registrar” for the purpose of registering Notes and transfers of Notes as
herein provided. The Company may appoint one or more co-registrars in accordance with Section
5.02.

     Upon surrender for registration of transfer of any Note to the Note Registrar or any
co-registrar, and satisfaction of the requirements for such transfer set forth in this Section
2.06, the Company shall execute, and the Trustee shall authenticate and deliver, in the name of the
designated transferee or transferees, one or more new Notes of any authorized denominations and of
a like aggregate principal amount and bearing such restrictive legends as may be required by this
Indenture.

     Notes may be exchanged for other Notes of any authorized denominations and of a like aggregate
principal amount, upon surrender of the Notes to be exchanged at any such office or agency
maintained by the Company pursuant to Section 5.02. Whenever any Notes are so surrendered for
exchange, the Company shall execute, and the Trustee shall authenticate and deliver, the Notes
which the Noteholder making the exchange is entitled to receive, bearing registration numbers not
contemporaneously outstanding.

     All Notes presented or surrendered for registration of transfer or for exchange, repurchase or
conversion shall (if so required by the Company, the Trustee, the Note Registrar or any
co-registrar) be duly endorsed, or be accompanied by a written instrument or instruments of
transfer in form satisfactory to the Company and duly executed, by the Noteholder thereof or his
attorney-in-fact duly authorized in writing.

     No service charge shall be charged to the Noteholder for any exchange or registration of
transfer of Notes, but the Company or the Trustee may require payment of a sum sufficient to cover
any tax, assessments or other governmental charges that may be imposed in connection therewith.

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     None of the Company, the Trustee, the Note Registrar or any co-registrar shall be required to
exchange or register a transfer of (a) any Notes surrendered for conversion or, if a portion of any
Note is surrendered for conversion, such portion thereof surrendered for conversion or (b) any
Notes, or a portion of any Note, surrendered for repurchase (and not withdrawn) in accordance with
Article XVI hereof.

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

     (b) So long as the Notes are eligible for book-entry settlement with the Depositary, unless
otherwise required by law, all Notes shall be represented by one or more Notes in global form
(each, a “Global Note”) registered in the name of the Depositary or the nominee of the Depositary.
The transfer and exchange of beneficial interests in a Global Note, which does not involve the
issuance of a definitive Note, shall be effected through the Depositary (but not the Trustee or the
Custodian) in accordance with this Indenture (including the restrictions on transfer set forth
herein) and the procedures of the Depositary therefor.

     (c) Any Global Note may be endorsed with or have incorporated in the text thereof such legends
or recitals or changes not inconsistent with the provisions of this Indenture as may be required by
the Custodian, the Depositary or by the National Association of Securities Dealers, Inc. in order
for the Notes to be tradable on The Portal Market or as may be required for the Notes to be
tradable on any other market developed for trading of securities pursuant to Rule 144A or required
to comply with any applicable law or any regulation thereunder or with the rules and regulations of
any securities exchange or automated quotation system upon which the Notes may be listed or traded
or designated for issuance or to conform with any usage with respect thereto, or to indicate any
special limitations or restrictions to which any particular Notes are subject.

     (d) Every Note that bears or is required under this Section 2.06(d) to bear the legend set
forth in this Section 2.06(d) (together with any Common Stock issued upon conversion of the Notes
and required to bear the legend set forth in Section 2.06(e), collectively, the “Restricted
Securities”) shall be subject to the restrictions on transfer set forth in this Section 2.06(d),
unless such restrictions on transfer shall be waived by written consent of the Company, and the
holder of each such Restricted Security, by such holder’s acceptance thereof, agrees to be bound by
all such restrictions on transfer. As used in Section 2.06(d) and Section 2.06(e), the term
"transfer” encompasses any sale, pledge, transfer or other disposition whatsoever of any Restricted
Security.

     Until the date (the “Resale Restriction Termination Date”) that is two (2) years after the
later of (i) the date of the last original issuance date of the Notes and (ii) three months
following the last date on which the Company or any affiliate of the Company was the owner of such
Note, any certificate evidencing such Note (and all securities issued in exchange therefor or
substitution thereof, other than Common Stock, if any, issued upon conversion thereof which shall
bear the legend set forth in Section 2.06(e), if applicable) shall bear a legend in substantially
the following form (unless such Notes have been transferred pursuant to a

16

 

registration statement that has been declared effective under the Securities Act and which
continues to be effective at the time of such transfer, pursuant to the exemption from registration
provided by Rule 144 or any similar provision then in force under the Securities Act, or unless
otherwise agreed by the Company in writing, with notice thereof to the Trustee):

This security has not been registered under the United States Securities Act of 1933, as
amended (the “Securities Act”), and accordingly, may not be offered or sold except as set
forth in the following sentence. By its acquisition hereof, the holder agrees (1) that it
will not within the later of (x) two years after the latest original issue date of this
security and (y) three months after it ceases to be an affiliate (within the meaning of Rule
144 adopted under the Securities Act) of the issuer, resell or otherwise transfer the
security evidenced hereby or the common stock issuable upon conversion of such security,
except (a) to the issuer; (b) under a registration statement that has been declared
effective under the Securities Act; (c) to a person the seller reasonably believes is a
Qualified Institutional Buyer (as defined in Rule 144A adopted under the Securities Act)
that is purchasing for its own account or for the account of another Qualified Institutional
Buyer and to whom notice is given that the transfer is being made in reliance on Rule 144A,
all in compliance with Rule 144A (if available); or (d) under any other available exemption
from the registration requirements of the Securities Act; and (2) that it will, prior to any
transfer of this security within the later of (x) two years after the latest issue date of
this security and (y) three months after it ceases to be an affiliate (within the meaning of
Rule 144 adopted under the Securities Act) of the issuer, furnish to the Trustee and the
issuer such certifications, legal opinions or other information as may be required pursuant
to the indenture to confirm that such transfer is being made pursuant to an exemption from,
or in a transaction not subject to, the registration requirements of the Securities Act.

     Any Note (or security issued in exchange or substitution therefor) as to which such
restrictions on transfer shall have expired in accordance with their terms may, upon surrender of
such Note for exchange to the Note Registrar in accordance with the provisions of this Section
2.06, be exchanged for a new Note or Notes, of like tenor and aggregate principal amount, which
shall not bear the restrictive legend required by this Section 2.06(d).

     Notwithstanding any other provisions of this Indenture (other than the provisions set forth in
this Section 2.06(d)), a Global Note may not be transferred as a whole or in part except by the
Depositary to a nominee of the Depositary or by a nominee of the Depositary to the Depositary or
another nominee of the Depositary or by the Depositary or any such nominee to a successor
Depositary or a nominee of such successor Depositary.

     The Depositary shall be a clearing agency registered under the Exchange Act. The Company
initially appoints The Depository Trust Company to act as Depositary with respect to the Global
Note. Initially, the Global Note shall be issued to the Depositary, registered in the name of Cede
& Co., as the nominee of the Depositary, and deposited with the Trustee as custodian for Cede & Co.

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     If at any time the Depositary for a Global Note (i) notifies the Company that it is unwilling
or unable to continue as Depositary for such Note or (ii) ceases to be registered as a clearing
agency under the Exchange Act, the Company may appoint a successor Depositary with respect to such
Note. If (1) a successor Depositary for such Global Note is not appointed by the Company within
ninety (90) days after the Company receives such notice or the Depositary ceasing to be a
registered clearing agency; (2) the Company, at its option, notifies the Trustee that it elects to
cause the issuance of Notes in definitive form in exchange for all or any part of the Notes
represented by a Global Note, subject to the procedures of the Depositary; or (3) an Event of
Default has occurred and is continuing and the Note Registrar has received a request from the
Depositary for the issuance of Notes in definitive form in exchange for a Global Note, the Company
will execute, and the Trustee, upon receipt of an Officers’ Certificate for the authentication and
delivery of Notes, will authenticate and deliver Notes in definitive form in an aggregate principal
amount equal to the principal amount of such Global Note, in exchange for such Global Note, and
upon delivery of the Global Note to the Trustee such Global Note shall be canceled.

     Definitive Notes issued in exchange for all or a part of the Global Note pursuant to this
Section 2.06(d) shall be registered in such names and in such authorized denominations as the
Depositary, pursuant to instructions from its direct or indirect participants or otherwise, shall
instruct the Trustee. Upon execution and authentication, the Trustee shall deliver such definitive
Notes to the persons in whose names such definitive Notes are so registered.

     At such time as all interests in a Global Note have been converted, canceled, repurchased or
transferred, such Global Note shall be, upon receipt thereof, canceled by the Trustee in accordance
with standing procedures and instructions existing between the Depositary and the Custodian. At
any time prior to such cancellation, if any interest in a Global Note is exchanged for definitive
Notes, converted, canceled, repurchased or transferred to a transferee who receives definitive
Notes therefor or any definitive Note is exchanged or transferred for part of such Global Note, the
principal amount of such Global Note shall, in accordance with the standing procedures and
instructions existing between the Depositary and the Custodian, be appropriately reduced or
increased, as the case may be, and an endorsement shall be made on such Global Note, by the Trustee
or the Custodian, at the direction of the Trustee, to reflect such reduction or increase.

     (e) Until the Resale Restriction Termination Date, any stock certificate representing Common
Stock issued upon conversion of a Note shall bear a legend in substantially the following form
(unless the Note or such Common Stock has been sold pursuant to the exemption from registration
provided by Rule 144 under the Securities Act or pursuant to a registration statement that has been
declared effective under the Securities Act, and which continues to be effective at the time of
such transfer, or such Common Stock has been issued upon conversion of Notes that have been
transferred pursuant to a registration statement that has been declared effective under the
Securities Act or pursuant to the exemption from registration provided by Rule 144 under the
Securities Act, or unless otherwise agreed by the Company with written notice thereof to the
Trustee and any transfer agent for the Common Stock):

This security has not been registered under the United States Securities Act of 1933, as
amended (the “Securities Act”), and accordingly, may not be offered or sold

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except as set forth in the following sentence. By its acquisition hereof, the holder agrees
(1) that it will not within the later of (x) two years after the latest issue date of the
notes upon the conversion of which this security was issued and (y) three months after it
ceases to be an affiliate (within the meaning of Rule 144 adopted under the Securities Act)
of the issuer, resell or otherwise transfer the security evidenced hereby, except (a) to the
issuer; (b) under a registration statement that has been declared effective under the
Securities Act; (c) to a person the seller reasonably believes is a Qualified Institutional
Buyer (as defined in Rule 144A adopted under the Securities Act) that is purchasing for its
own account or for the account of another Qualified Institutional Buyer and to whom notice
is given that the transfer is being made in reliance on Rule 144A, all in compliance with
Rule 144A (if available); or (d) under any other available exemption from the registration
requirements of the Securities Act; and (2) agrees that it will, prior to any transfer of
this security within the later of (x) two years after the latest issue date of the notes
upon the conversion of which this security was issued and (y) three months after it ceases
to be an affiliate (within the meaning of Rule 144 adopted under the Securities Act) of the
issuer, furnish to the transfer agent and the issuer such certifications, legal opinions or
other information as may be required to confirm that such transfer is being made pursuant to
an exemption from, or in a transaction not subject to, the registration requirements of the
Securities Act.

     Any such Common Stock as to which such restrictions on transfer shall have expired in
accordance with their terms may, upon surrender of the certificates representing such shares of
Common Stock for exchange in accordance with the procedures of the transfer agent for the Common
Stock, be exchanged for a new certificate or certificates for a like aggregate number of shares of
Common Stock, which shall not bear the restrictive legend required by this Section 2.06(e).

     (f) Any Note or Common Stock issued upon the conversion or exchange of a Note that, prior to
the expiration of the holding period applicable to sales thereof under Rule 144(k) under the
Securities Act (or any successor provision), is purchased or owned by the Company or any Affiliate
thereof may not be resold by the Company or such Affiliate unless registered under the Securities
Act or resold pursuant to an exemption from the registration requirements of the Securities Act in
a transaction that results in such Notes or Common Stock, as the case may be, no longer being
“restricted securities” (as defined under Rule 144).

     (g) Notwithstanding any provision of Section 2.06 to the contrary, in the event Rule 144(k) as
promulgated under the Securities Act (or any successor rule) is amended to change the two-year
period or the three-month period, in each case under Rule 144(k) (or the corresponding period under
any successor rule), from and after receipt by the Trustee of the Officers’ Certificate and Opinion
of Counsel provided for in this Section 2.06(g), (i) each reference in Section 2.06(d) to “two (2)
years” and “three months” and in the restrictive legend set forth in such paragraph to “TWO YEARS”
and “THREE MONTHS” shall be deemed for all purposes hereof to be references to such changed period,
(ii) each reference in Section 2.06(e) to “two (2) years” and “three months” and in the restrictive
legend set forth in such paragraph to “TWO YEARS” and “THREE MONTHS” shall be deemed for all
purposes hereof to be references to such changed period and (iii) all corresponding references in
the Notes (including the definition

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of Resale Restriction Termination Date) and the restrictive legends thereon shall be deemed
for all purposes hereof to be references to such changed period, provided that such changes shall
not become effective if they are otherwise prohibited by, or would otherwise cause a violation of,
the then-applicable federal securities laws. The provisions of this Section 2.06(g) will not be
effective until such time as the Opinion of Counsel and Officers’ Certificate have been received by
the Trustee hereunder. This Section 2.06(g) shall apply to successive amendments to Rule 144(k)
(or any successor rule) changing the holding period thereunder.

     Section 2.07. Mutilated, Destroyed, Lost or Stolen Notes. In case any Note shall become
mutilated or be destroyed, lost or stolen, the Company in its discretion may execute, and upon its
written request the Trustee or an authenticating agent appointed by the Trustee shall authenticate
and deliver, a new Note, bearing a number not contemporaneously outstanding, in exchange and
substitution for the mutilated Note, or in lieu of and in substitution for the Note so destroyed,
lost or stolen. In every case the applicant for a substituted Note shall furnish to the Company,
to the Trustee and, if applicable, to such authenticating agent such security or indemnity as may
be required by them to save each of them harmless from any loss, liability, cost or expense caused
by or connected with such substitution, and, in every case of destruction, loss or theft, the
applicant shall also furnish to the Company, to the Trustee and, if applicable, to such
authenticating agent evidence to their satisfaction of the destruction, loss or theft of such Note
and of the ownership thereof.

     The Trustee or such authenticating agent may authenticate any such substituted Note and
deliver the same upon the receipt of such security or indemnity as the Trustee, the Company and, if
applicable, such authenticating agent may require. Upon the issuance of any substituted Note, the
Company or the Trustee may require the payment by the holder of a sum sufficient to cover any tax,
assessment or other governmental charge that may be imposed in relation thereto and any other
expenses connected therewith. In case any Note which has matured or is about to mature or has been
tendered for repurchase upon a Fundamental Change or is about to be converted into Common Stock
shall become mutilated or be destroyed, lost or stolen, the Company may, in its sole discretion,
instead of issuing a substitute Note, pay or authorize the payment of or convert or authorize the
conversion of the same (without surrender thereof except in the case of a mutilated Note), as the
case may be, if the applicant for such payment or conversion shall furnish to the Company, to the
Trustee and, if applicable, to such authenticating agent such security or indemnity as may be
required by them to save each of them harmless for any loss, liability, cost or expense caused by
or connected with such substitution, and, in every case of destruction, loss or theft, evidence
satisfactory to the Company, the Trustee and, if applicable, any Paying Agent or Conversion Agent
evidence of their satisfaction of the destruction, loss or theft of such Note and of the ownership
thereof.

     Every substitute Note issued pursuant to the provisions of this Section 2.07 by virtue of the
fact that any Note is destroyed, lost or stolen shall constitute an additional contractual
obligation of the Company, whether or not the destroyed, lost or stolen Note shall be found at any
time, and shall be entitled to all the benefits of (but shall be subject to all the limitations set
forth in) this Indenture equally and proportionately with any and all other Notes duly issued
hereunder. To the extent permitted by law, all Notes shall be held and owned upon the express
condition that the foregoing provisions are exclusive with respect to the replacement or payment or
conversion or redemption or repurchase of mutilated, destroyed, lost or stolen Notes and shall

20

 

preclude any and all other rights or remedies notwithstanding any law or statute existing or
hereafter enacted to the contrary with respect to the replacement or payment or conversion of
negotiable instruments or other securities without their surrender.

     Section 2.08. Temporary Notes. Pending the preparation of Notes in certificated form, the
Company may execute and the Trustee or an authenticating agent appointed by the Trustee shall, upon
written request of the Company, authenticate and deliver temporary Notes (printed or lithographed).
Temporary Notes shall be issuable in any authorized denomination, and substantially in the form of
the Notes in certificated form but with such omissions, insertions and variations as may be
appropriate for temporary Notes, all as may be determined by the Company. Every such temporary
Note shall be executed by the Company and authenticated by the Trustee or such authenticating agent
upon the same conditions and in substantially the same manner, and with the same effect, as the
Notes in certificated form. Without unreasonable delay the Company will execute and deliver to the
Trustee or such authenticating agent Notes in certificated form (other than in the case of Notes in
global form) and thereupon any or all temporary Notes (other than any Global Note) may be
surrendered in exchange therefor, at each office or agency maintained by the Company pursuant to
Section 5.02 and the Trustee or such authenticating agent shall authenticate and deliver in
exchange for such temporary Notes an equal aggregate principal amount of Notes in certificated
form. Such exchange shall be made by the Company at its own expense and without any charge
therefor. Until so exchanged, the temporary Notes shall in all respects be entitled to the same
benefits and subject to the same limitations under this Indenture as Notes in certificated form
authenticated and delivered hereunder.

     Section 2.09. Cancellation of Notes Paid, Etc. All Notes surrendered for the purpose of
payment, repurchase, conversion, exchange or registration of transfer, shall, if surrendered to the
Company or any Paying Agent or any Note Registrar or any Conversion Agent, be surrendered to the
Trustee and promptly canceled by it, or, if surrendered to the Trustee, shall be promptly canceled
by it, and no Notes shall be issued in lieu thereof except as expressly permitted by any of the
provisions of this Indenture. The Trustee shall destroy canceled Notes in accordance with its
customary procedures and, after such destruction, shall deliver a certificate of such destruction
to the Company, at the Company’s written request. If the Company shall acquire any of the Notes,
such acquisition shall not operate as satisfaction of the indebtedness represented by such Notes
unless and until the same are delivered to the Trustee for cancellation.

     Section 2.10. CUSIP Numbers. The Company in issuing the Notes may use “CUSIP” numbers (if
then generally in use), and, if so, the trustee shall use “CUSIP” numbers in Company Notices as a
convenience to holders of the Notes; provided, that any such notice may state that no
representation is made as to the correctness of such numbers either as printed on the Notes or
Company Notice and that reliance may be placed only on the other identification numbers printed on
the Notes. The Company will promptly notify the Trustee in writing of any change in the “CUSIP”
numbers.

     Section 2.11. Additional Notes; Repurchases. The Company may, without the consent of the
Noteholders and notwithstanding Section 2.01, reopen the Notes and issue additional Notes hereunder
with the same terms and with the same CUSIP number as the Notes initially issued hereunder in an
unlimited aggregate principal amount, which will form the same series

21

 

with the Notes initially issued hereunder, provided that no such additional Notes may be
issued unless fungible with the Notes initially issued hereunder for U.S. federal income tax
purposes. The Company may also from time to time repurchase the Notes in open market purchases or
negotiated transactions without prior notice to Noteholders.

ARTICLE 3

REDEMPTION

     Section 3.01. Right to Redeem; Notice to Trustee.

     (a) The Notes may be redeemed at the election of the Company, in whole or in part, on November
15, 2013 at a price equal to 100.25% of the principal amount of the Notes being redeemed, plus
accrued and unpaid interest and Additional Interest, if any. After November 15, 2013, the Company
shall have the right to redeem the Notes, in whole or from time to time in part, at a price equal
to 100% of the principal amount of the Notes being redeemed, plus accrued and unpaid interest and
Additional Interest, if any. Any redemption in accordance with this Article III shall be upon at
least 30 days and no more than 60 days notice to holders of the Notes. The price at which the
Notes shall be redeemable on any Redemption Date is hereinafter referred to as a “Redemption
Price.”

     (b) If the Company elects to redeem the Notes, it shall notify the Trustee at least 30 days
and no more than 60 days prior to the Redemption Date of the Redemption Date and of the principal
amount of Notes to be redeemed (unless a shorter notice period shall be satisfactory to the
Trustee). If fewer than all of the Notes are to be redeemed, the record date relating to such
redemption shall be selected by the Company and given to the Trustee, which record date shall not
be less than ten days after the date of notice to the Trustee.

     Section 3.02. Selection of Notes to be Redeemed.

     (a) If less than all of the Notes are to be redeemed, unless the procedures of the Depositary
provide otherwise, the Trustee shall, at least 15 days but not more than 60 days prior to the
Redemption Date, select the Notes to be redeemed. The Trustee shall make the selection from the
Notes of that series outstanding and not previously called for redemption, by lot, or in its
discretion, on a pro rata basis. Notes in denominations of $1,000 may only be redeemed in whole.
The Trustee may select for redemption portions (equal to $1,000 or any integral multiple thereof)
of the principal of Notes that have denominations larger than $1,000. Provisions of this Indenture
that apply to Notes called for redemption also apply to portions of Notes called for redemption.

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

     Section 3.03. Notice of Redemption.

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     At least 30 days but not more than 60 days before a Redemption Date, the Company shall mail or
cause to be mailed a notice of redemption to each holder of Notes to be redeemed at such holder’s
address as it appears on the registrar’s books.

     The notice shall identify the Notes (including CUSIP numbers) to be redeemed and shall state:

     (a) the Redemption Date;

     (b) the Redemption Price;

     (c) the then current Conversion Price;

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

     (e) that Notes called for redemption must be presented and surrendered to a Paying Agent to
collect the Redemption Price;

     (f) that Holders who wish to convert Notes must surrender such Notes for conversion no later
than the close of business on the second Business Day immediately preceding the Redemption Date and
must satisfy the other requirements set forth herein;

     (g) that, unless the Company defaults in making the payment of the Redemption Price, interest
on Notes called for redemption shall cease accruing on and after the Redemption Date and the only
remaining right of the holder shall be to receive payment of the Redemption Price plus accrued but
unpaid interest and Additional Interest, if any, upon presentation and surrender to a Paying Agent
of the Notes and

     (h) if any Note is being redeemed in part, the portion of the principal amount of such Note to
be redeemed and that, after the Redemption Date, upon presentation and surrender of such Note, a
new Note or Notes in aggregate principal amount equal to the unredeemed portion thereof will be
issued.

     If any of the Notes to be redeemed is in global form, then the Company shall modify such
notice to the extent necessary to accord with the procedures of the Depositary applicable to
redemptions. At the Company’s written request, which request shall (i) be irrevocable once given
and (ii) set forth all relevant information required by clauses (a) through (h) of the preceding
paragraph, the Trustee shall give the notice of redemption to each holder in the Company’s name and
at the Company’s expense.

     Section 3.04. Effect of Notice of Redemption.

     Once notice of redemption is mailed, Notes called for redemption become due and payable on the
Redemption Date and at the Redemption Price stated in the notice, together with accrued and unpaid
interest and Additional Amounts, if any. On or after the Redemption Date and upon presentation and
surrender to a Paying Agent, Notes called for redemption shall be paid

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at the Redemption Price, plus any accrued and unpaid interest and Additional Amounts, if any,
up to but not including the Redemption Date.

     Section 3.05. Deposit of Redemption Price.

     Prior to 11:00 a.m., New York City time, on the Redemption Date, the Company shall deposit
with a Paying Agent (or, if the Company acts as Paying Agent, shall segregate and hold in trust) an
amount of money (in immediately available funds if deposited on such Redemption Date) sufficient to
pay the Redemption Price of, and any accrued and unpaid interest and Additional Amounts, if any,
on, all Notes to be redeemed on that date, other than Notes or portions thereof called for
redemption on that date which have been delivered by the Company to the Trustee for cancellation or
have been converted. The Paying Agent shall as promptly as practicable return to the Company any
money not required for that purpose because of the conversion of Notes pursuant to Article XV, or,
if such money is then held by the Company in trust and is not required for such purpose, it shall
be discharged from the trust.

     Section 3.06. Securities Redeemed in Part.

     Upon presentation and surrender of a Note that is redeemed in part, the Company shall execute
and the Trustee shall authenticate and deliver to the holder a new Note equal in principal amount
to the unredeemed portion of the Note surrendered.

ARTICLE 4

SUBORDINATION

     Section 4.01. Notes Subordinate to Senior Indebtedness. The Company and each holder of a
Note, by his or her acceptance thereof, agree that (a) the payment of the principal of and interest
on each and all the Notes and (b) any other payment in respect of the Notes, including the payment
of any Principal Return in cash upon conversion or any payment on account of the acquisition or
redemption of Notes by the Company, is subordinated, to the extent and in the manner provided in
this Article IV, to the prior payment in full of all Senior Indebtedness (in each case, such
payment to be made in cash or in such other form of payment as shall be satisfactory to the holder
or holders of such Senior Indebtedness or a trustee or other representative duly acting on behalf
of such holder or holders), whether outstanding at the date of this Indenture or thereafter
created, incurred, assumed or guaranteed, and that these subordination provisions are for the
benefit of the holders of Senior Indebtedness.

     Each holder of a Note, by his or her acceptance thereof, acknowledges and agrees that the
provisions of this Article IV are, and are intended to be, an inducement and a consideration to all
Persons who, in reliance on such provisions, become holders of, or continue to hold, Senior
Indebtedness, and such provisions are made for the benefit of the holders of Senior Indebtedness,
and those holders are made obligees hereunder, and any one or more of them may enforce such
provisions.

     Section 4.02. No Payment on Notes in Certain Circumstances.

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     (a) No payment shall be made by or on behalf of the Company on account of the principal of or
interest on or with respect to the Notes, on account of any Principal Return applicable to any of
the Notes upon conversion or to acquire any of the Notes, for cash or property (other than Junior
Securities of the Company), or on account of any redemption provisions of those Notes, in the event
of default in payment of any principal of, premium (if any) or interest on any Designated Senior
Indebtedness when the same becomes due and payable, whether at maturity or at a date fixed for
prepayment or by declaration of acceleration or otherwise, beyond any applicable period of grace
specified in the instrument or instruments pursuant to which such Designated Senior Indebtedness
was incurred (a “Payment Default”), unless and until that Payment Default has been cured or waived
or otherwise has ceased to exist.

     (b) No payment shall be made by or on behalf of the Company on account of the principal of or
interest on the Notes, on account of any Principal Return applicable to any of the Notes upon
conversion or to acquire any of the Notes (including any repurchases of the Notes pursuant to the
provisions thereof at the option of the holder of the Notes) for cash or property (other than
Junior Securities of the Company), or on account of the redemption provisions of those Notes, in
the event of any default (other than a Payment Default) with respect to any Designated Senior
Indebtedness permitting the holders of that Designated Senior Indebtedness (or a trustee or other
representative on behalf of the holders thereof) to declare that Designated Senior Indebtedness due
and payable prior to the date on which it would otherwise have become due and payable, on written
notice thereof to the Company and the Trustee by any holders of Designated Senior Indebtedness (or
a trustee or other representative on behalf of the holders thereof) (a “Payment Blockage Notice”),
unless and until that default shall have been cured or waived or otherwise has ceased to exist;
provided, that such payments may not be prevented pursuant to this Section 4.02(b) for more than
179 days after an applicable Payment Blockage Notice has been received by the Trustee unless the
Designated Senior Indebtedness in respect of which that default exists has been declared due and
payable in its entirety, in which case no such payment may be made until that acceleration has been
rescinded or annulled or that Designated Senior Indebtedness has been paid in full. The Trustee
may conclusively rely on the authenticity of any notice received by it that purports to be a
Payment Blockage Notice hereunder. No default (other than a Payment Default) that existed or was
continuing on the date of any Payment Blockage Notice (whether or not that default is on the same
issue of Designated Senior Indebtedness) may be made the basis for the giving of a second Payment
Blockage Notice, unless such default was cured during the interim period, and only one such Payment
Blockage Notice may be given in any period of 365 consecutive days.

     (c) In furtherance of the provisions of Section 4.01, in the event that, notwithstanding the
foregoing provisions of this Section 4.02, any payment or distribution of assets of the Company
(other than Junior Securities of the Company) shall be received by the Trustee or the holders of
the Notes or any Paying Agent with respect thereto at a time when that payment or distribution was
prohibited by the provisions of this Section 4.02, then, unless that payment or distribution is no
longer prohibited by this Section 4.02, that payment or distribution (subject to the provisions of
Section 4.07) shall be received and held in trust by the Trustee or such holders or Paying Agent
for the benefit of the holders of Senior Indebtedness, and shall be paid or delivered by the
Trustee or such holders or Paying Agent, as the case may be, to the holders of Senior Indebtedness
remaining unpaid or unprovided for or their representative or representatives, or to the trustee or
trustees under any indenture pursuant to which any instruments evidencing that

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Senior Indebtedness may have been issued, ratably, according to the aggregate amounts
remaining unpaid on account of that Senior Indebtedness held or represented by each, for
application to the payment of all Senior Indebtedness in full after giving effect to all concurrent
payments and distributions to or for the holders of that Senior Indebtedness.

     Section 4.03. Notes Subordinated to Prior Payment of All Senior Indebtedness on Dissolution,
Liquidation or Reorganization. Upon any distribution of assets of the Company or upon any
dissolution, winding up, total or partial liquidation or reorganization of the Company, whether
voluntary or involuntary, in bankruptcy, insolvency, receivership or similar proceeding or upon
assignment for the benefit of creditors:

     (a) the holders of all Senior Indebtedness shall first be entitled to receive payments in full
(in each case, such payment to be made in cash or in such other form of payment as shall be
satisfactory to the holder or holders of such Senior Indebtedness or a trustee or other
representative duly acting on behalf of such holder or holders), before the holders of Notes are
entitled to receive any payment (other than in the form of Junior Securities of the Company) on
account of the principal of or interest on, or on account of any Principal Return applicable to,
the Notes;

     (b) any payment or distribution of assets of the Company of any kind or character, whether in
cash, property or securities (other than Junior Securities of the Company), to which the holders of
Notes or the Trustee on behalf of those holders would be entitled, except for the provisions of
this Article IV, shall be paid by the liquidating trustee or agent or other Person making such a
payment or distribution directly to the holders of that Senior Indebtedness or their
representative, ratably according to the respective amounts of Senior Indebtedness held or
represented by each, to the extent necessary to make payment in full of all that Senior
Indebtedness remaining unpaid after giving effect to all concurrent payments and distributions to
the holders of that Senior Indebtedness; and

     (c) in the event that, notwithstanding the foregoing, any payment or distribution of assets of
the Company of any kind or character, whether in cash, property or securities (other than Junior
Securities of the Company), shall be received by the Trustee or the holders of Notes or any Paying
Agent with respect thereto (or, if the Company or any Affiliate of the Company is acting as its own
Paying Agent, money for any such payment or distribution shall be segregated or held in trust) on
account of the principal of or interest on, or on account of any Principal Return applicable to,
the Notes before all Senior Indebtedness is paid in full, that payment or distribution (subject to
the provisions of Section 4.07) shall be received and held in trust by the Trustee or such holder
or Paying Agent for the benefit of the holders of that Senior Indebtedness, or their respective
representatives, ratably according to the respective amounts of that Senior Indebtedness held or
represented by each, to the extent necessary to make payment as provided herein of all that Senior
Indebtedness remaining unpaid after giving effect to all concurrent payments and distributions and
all provisions therefor to or for the holders of that Senior Indebtedness, but only to the extent
that as to any holder of that Senior Indebtedness, as promptly as practical following notice from
the Trustee to the holders of that Senior Indebtedness that such prohibited payment has been
received by the Trustee, holder(s) or Paying Agent (or has been segregated as provided above), that
holder (or a representative therefor) notifies the Trustee of the amounts then due and owing on
that Senior Indebtedness, if any, held by that holder, and

26

 

only the amounts specified in those notices to the Trustee shall be paid to the holders of
that Senior Indebtedness. The Trustee may conclusively rely on the accuracy of the amounts so
specified in any such notice.

     Section 4.04. Subrogation to Rights of Holders of Senior Indebtedness. Subject to the payment
in full of all Senior Indebtedness as provided herein, the holders of the Notes shall be subrogated
(to the extent of the payments or distributions made to the holders of that Senior Indebtedness
pursuant to the provisions of this Article IV) to the rights of the holders of that Senior
Indebtedness to receive payments or distributions of assets of the Company applicable to that
Senior Indebtedness until all amounts owing on, or with respect to, the Notes shall be paid in
full. For the purpose of that subrogation, no such payments or distributions to the holders of
that Senior Indebtedness by the Company, or by or on behalf of the holders of the Notes by virtue
of this Article IV, which otherwise would have been made to those holders shall, as among the
Company, its creditors other than the holders of Senior Indebtedness and those holders, be deemed
to be payment by the Company or on account of that Senior Indebtedness, it being understood that
the provisions of this Article IV are and are intended solely for the purpose of defining the
relative rights of the holders of the Notes, on the one hand, and the holders of that Senior
Indebtedness, on the other hand.

     If any payment or distribution to which the holders of the Notes would otherwise have been
entitled but for the provisions of this Article IV shall have been applied, pursuant to the
provisions of this Article IV, to the payment of amounts payable under Senior Indebtedness, then
those holders shall be entitled to receive from the holders of that Senior Indebtedness any
payments or distributions received by those holders of Senior Indebtedness in excess of the amount
sufficient to pay all amounts payable under or in respect of that Senior Indebtedness in full.

     Section 4.05. Obligations of the Company Unconditional. Nothing contained in this Article IV
or elsewhere in this Indenture or in the Notes is intended to or shall impair, as between the
Company and the holders of the Notes, the obligation of the Company, which is absolute and
unconditional, to pay to those holders the principal of and interest on the Notes, or the Principal
Return with respect to the Notes upon conversion of the Notes, as and when the same shall become
due and payable in accordance with the terms of the Notes and this Indenture, or is intended to or
shall affect the relative rights of those holders and creditors of the Company other than the
holders of Senior Indebtedness, nor shall anything herein or therein prevent the Trustee or any
holder from exercising all remedies otherwise permitted by applicable law on default under this
Indenture, subject to the rights, if any, under this Article IV, of the holders of Senior
Indebtedness in respect of cash, property or securities of the Company received on the exercise of
any such remedy. Notwithstanding anything to the contrary in this Article IV or elsewhere in this
Indenture or in the Notes, on any distribution of assets of the Company referred to in this Article
IV, the Trustee, subject to the provisions of Sections 8.01 and 8.02, and the holders of the Notes
shall be entitled to rely on any order or decree made by any court of competent jurisdiction in
which such dissolution, winding up, liquidation or reorganization proceedings are pending, or a
certificate of the liquidating trustee or agent or other Person making any distribution to the
Trustee or to those holders for the purpose of ascertaining the Persons entitled to participate in
that distribution, the holders of Senior Indebtedness and other Indebtedness of the Company, the
amount thereof or payable thereon, the amount or amounts

27

 

paid or distributed thereon and all other facts pertinent thereto or to this Article IV so
long as that court has been apprised of the provisions of, or the order, decree or certificate
makes reference to, the provisions of this Article IV.

     Section 4.06. Trustee Entitled to Assume Payments Not Prohibited in Absence of Notice. The
Trustee shall not at any time be charged with knowledge of the existence of any facts that would
prohibit the making of any payment to or by the Trustee unless and until a Responsible Officer of
the Trustee or any Paying Agent shall have received, no later than two Business Days prior to that
payment, written notice thereof from the Company or from one or more holders of Senior Indebtedness
or from any representative therefor and, prior to the receipt of any such written notice, the
Trustee, subject to the provisions of Sections 8.01 and 8.02, shall be entitled in all respects
conclusively to assume that no such fact exists.

     Section 4.07. Application by Trustee of Amounts Deposited with It. Any deposit of assets with
the Trustee or the Paying Agent (whether or not in trust) for the payment of principal of or
interest on (or any Principal Return with respect to) any Notes shall be subject to the provisions
of Sections 4.01, 4.02, 4.03 and 4.04; provided that if prior to two Business Days preceding the
date on which by the terms of this Indenture any such assets may become distributable for any
purpose (including, without limitation, the payment of either principal of or interest on (or any
Principal Return with respect to) any Note, the Trustee or such Paying Agent shall not have
received with respect to those assets the written notice provided for in Section 4.06, then the
Trustee or such Paying Agent shall have full power and authority to receive those assets and to
apply the same to the purpose for which they were received, and shall not be affected by any notice
to the contrary that may be received by it on or after that date; and provided further that nothing
contained in this Article IV shall prevent the Company from making, or the Trustee from receiving
or applying, any payment in connection with the redemption of Notes if the first publication of
notice of that redemption (whether by mail or otherwise in accordance with this Indenture) has been
made, and the Trustee has received that payment from the Company, prior to the occurrence of any of
the contingencies specified in Section 4.02 or 4.03.

     Section 4.08. Subordination Rights Not Impaired by Acts or Omissions of the Company or Holders
of Senior Indebtedness. No right of any present or future holders of any Senior Indebtedness to
enforce the subordination provisions contained in this Article IV shall at any time in any way be
prejudiced or impaired by any act or failure to act on the part of the Company or by any act or
failure to act, in good faith, by any such holder, or by any noncompliance by the Company with the
terms of this Indenture, regardless of any knowledge thereof that any such holder may have or be
otherwise charged with. The holders of Senior Indebtedness may extend, renew, modify or amend the
terms of the Senior Indebtedness or any security therefor and release, sell or exchange that
security and otherwise deal freely with the Company, all without affecting the liabilities and
obligations of the parties to this Indenture or the holders of the Notes.

     Section 4.09. Trustee to Effectuate Subordination of Notes. Each holder of a Note by his
acceptance thereof authorizes and expressly directs the Trustee on his behalf to take such action
as may be necessary or appropriate to effectuate the subordination provisions contained in this
Article IV and to protect the rights of the holders of the Notes pursuant to this Indenture, and
appoints the Trustee such holder’s attorney-in-fact for that purpose, including, in the event of
any

28

 

dissolution, winding up, liquidation or reorganization of the Company (whether in bankruptcy,
insolvency or receivership proceedings or upon an assignment for the benefit of creditors of the
Company), the filing of a claim for the unpaid balance of his Notes in the form required in said
proceedings and cause said claim to be approved. If the Trustee does not file a proper claim or
proof of debt in the form required in that proceeding prior to 30 days before the expiration of the
time to file such claim or claims, then the holders of Senior Indebtedness or their representative
is hereby authorized to have the right to file and is hereby authorized to file an appropriate
claim for and on behalf of the holders of said Notes. Nothing herein contained shall be deemed to
authorize the Trustee or the holders of Senior Indebtedness or their representative to authorize or
consent to or accept or adopt on behalf of any holder of Notes any plan of reorganization,
arrangement, adjustment or composition affecting the Notes or the rights of any holder thereof, or
to authorize the Trustee or the holders of Senior Indebtedness or their representative to vote in
respect of the claim of any holder of the Notes in any such proceeding.

     Section 4.10. Right of Trustee to Hold Senior Indebtedness. The Trustee in its individual
capacity shall be entitled to all of the rights set forth in this Article IV in respect of any
Senior Indebtedness at any time held by it to the same extent as any other holder of Senior
Indebtedness, and nothing in this Indenture shall be construed to deprive the Trustee of any of its
rights as such holder.

     Section 4.11. Article IV Not to Prevent Events of Default. The failure to make a payment on
account of principal of or interest on any of (or on account of any Principal Return with respect
to any of) the Notes by reason of any provision of this Article IV shall not be construed as
preventing the occurrence of a Default or an Event of Default under Section 7.01 or in any way
prevent the holders of the Notes from exercising any right hereunder other than the right to
receive payment on or with respect to the Notes. The Company shall promptly notify holders of
Senior Indebtedness if payment of the Notes is accelerated due to an Event of Default or if the
Company is required to purchase any Notes upon a Fundamental Change, provided that the Company’s
failure to provide such notice shall not diminish the rights of holders of Senior Indebtedness
hereunder.

     Section 4.12. No Fiduciary Duty of Trustee to Holders of Senior Indebtedness. The Trustee
shall not be deemed to owe any fiduciary duty to the holders of Senior Indebtedness, and shall not
be liable to any of those holders if it shall in good faith mistakenly pay over or distribute to
the holders of the Notes or the Company or any other Person, cash, property or securities to which
any holders of Senior Indebtedness shall be entitled by virtue of this Article IV or otherwise.
Nothing in this Section 4.12 shall affect the obligation of any other such Person to hold that
payment for the benefit of, and to pay that payment over to, the holders of Senior Indebtedness or
their representative.

     Section 4.13. Article Applicable to Paying Agent. In case at any time any Paying Agent other
than the Trustee shall have been appointed by the Company and be then acting hereunder, the term
“Trustee” as used in this Article IV shall in that case (unless the context shall otherwise
require) be construed as extending to and including that Paying Agent within its meaning as fully
for all intents and purposes as if that Paying Agent were named in this Article IV in addition to
or in place of the Trustee; provided, however, that this Section 4.13 shall not apply to the
Company or any Affiliate of the Company if it or that Affiliate acts as Paying Agent.

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     Section 4.14. Notes Pari Passu with the 2033 Notes. The payment of principal and interest
(including Contingent Interest, if any) on each and all of the Notes and all other payments with
respect to the Notes shall rank pari passu with the payment right under the 2033 Notes.

ARTICLE 5

PARTICULAR COVENANTS OF THE COMPANY

     Section 5.01. Payment of Principal, Premium, Interest and Additional Interest. The Company
covenants and agrees that it will cause to be paid the principal of, premium, if any, accrued and
unpaid interest and Additional Interest, if any, on each of the Notes and if applicable, payment
of the Conversion Obligation and Additional Shares, at the places, at the respective times and in
the manner provided herein and in the Notes. Each installment of accrued and unpaid interest and
Additional Interest, if any, on the Notes due on any Interest Payment Date (as provided in Section
2 of the Registration Rights Agreement) may be paid by mailing checks for the amount payable to or
upon the written order of the Noteholders entitled thereto as they shall appear on the registry
books of the Company, provided that, with respect to any Noteholder with an aggregate principal
amount in excess of $1,000,000, at the application of such holder in writing to the Note Registrar
not later than the relevant record date, accrued and unpaid interest and Additional Interest, if
any, on such holder’s Notes shall be paid by wire transfer in immediately available funds to such
holder’s account in the United States supplied by such holder from time to time to the Trustee and
Paying Agent (if different from Trustee); provided further that payment of accrued and unpaid
interest and Additional Interest, if any, made to the Depositary shall be paid by wire transfer in
immediately available funds in accordance with such wire transfer instructions and other procedures
provided by the Depositary from time to time.

     Section 5.02. Maintenance of Office or Agency. The Company will maintain in the Borough of
Manhattan, The City of New York, an office or agency where the Notes may be surrendered for
registration of transfer or exchange or for presentation for payment, redemptions or repurchase
(“Paying Agent”) or for conversion (“Conversion Agent”) and where notices and demands to or upon
the Company in respect of the Notes and this Indenture may be served. The Company will give prompt
written notice to the Trustee of the location, and any change in the location, of such office or
agency not designated or appointed by the Trustee. If at any time the Company shall fail to
maintain any such required office or agency or shall fail to furnish the Trustee with the address
thereof, such presentations, surrenders, notices and demands may be made or served at the Corporate
Trust Office or the office or agency of the Trustee in the Borough of Manhattan, The City of New
York.

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

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any such other office or agency. The terms Paying Agent and Conversion Agent include any such
additional or other offices or agencies, as applicable.

     The Company hereby initially designates the Trustee as the Paying Agent, Note Registrar,
Custodian and Conversion Agent and the Corporate Trust Office and the office or agency of the
Trustee in the Borough of Manhattan shall be considered as one such office or agency of the Company
for each of the aforesaid purposes.

     So long as the Trustee is the Note Registrar, the Trustee agrees to mail, or cause to be
mailed, the notices set forth in Section 8.10(a) and the third paragraph of Section 8.11.

     Section 5.03. Appointments to Fill Vacancies in Trustee’s Office. The Company, whenever
necessary to avoid or fill a vacancy in the office of Trustee, will appoint, in the manner provided
in Section 8.10, a Trustee, so that there shall at all times be a Trustee hereunder.

     Section 5.04. Provisions as to Paying Agent.

     (a) If the Company shall appoint a Paying Agent other than the Trustee or if the Trustee shall
appoint such a Paying Agent, the Company will cause such Paying Agent to execute and deliver to the
Trustee an instrument in which such agent shall agree with the Trustee, subject to the provisions
of this Section 5.04:

     (i) that it will hold all sums held by it as such agent for the payment of the
principal of and premium, if any, and accrued and unpaid interest and Additional Interest,
if any, on the Notes (whether such sums have been paid to it by the Company or by any other
obligor on the Notes) in trust for the benefit of the holders of the Notes;

     (ii) that it will give the Trustee notice of any failure by the Company (or by any
other obligor on the Notes) to make any payment of the principal of and premium, if any, and
accrued and unpaid interest and Additional Interest, if any, on the Notes when the same
shall be due and payable; and

     (iii) that at any time during the continuance of an Event of Default, upon request of
the Trustee, it will forthwith pay to the Trustee all sums so held in trust.

     The Company shall, on or before each due date of the principal of, or premium, if any, or
accrued and unpaid interest or Additional Interest, if any, on the Notes, deposit with the Paying
Agent a sum sufficient to pay such principal, premium, if any, or accrued and unpaid interest or
Additional Interest, if any, and (unless such Paying Agent is the Trustee) the Company will
promptly notify the Trustee of any failure to take such action, provided that if such deposit is
made on the due date, such deposit must be received by the Paying Agent by 11:00 a.m., New York
City time, on such date.

     (b) If the Company shall act as its own Paying Agent, it will, on or before each due date of
the principal of, premium, if any, accrued and unpaid interest and Additional Interest, if any, on
the Notes, set aside, segregate and hold in trust for the benefit of the holders of the Notes a sum
sufficient to pay such principal, premium, if any, accrued and unpaid interest and Additional
Interest, if any, so becoming due and will notify the Trustee in writing of any failure to take
such

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action and of any failure by the Company (or any other obligor under the Notes) to make any
payment of the principal of, premium, if any, accrued and unpaid interest and Additional Interest,
if any, on the Notes when the same shall become due and payable.

     (c) Anything in this Section 5.04 to the contrary notwithstanding, the Company may, at any
time, for the purpose of obtaining a satisfaction and discharge of this Indenture, or for any other
reason, pay or cause to be paid to the Trustee all sums held in trust by the Company or any Paying
Agent hereunder as required by this Section 5.04, such sums to be held by the Trustee upon the
trusts herein contained and upon such payment by the Company or any Paying Agent to the Trustee,
the Company or such Paying Agent shall be released from all further liability with respect to such
sums.

     (d) Anything in this Section 5.04 to the contrary notwithstanding, the agreement to hold sums
in trust as provided in this Section 5.04 is subject to Section 13.03 and Section 13.04.

     Section 5.05. Existence. Subject to Article XII, the Company will do or cause to be done all
things necessary to preserve and keep in full force and effect its corporate existence.

     Section 5.06. Rule 144A Information Requirement. Within the period prior to the expiration of
the holding period applicable to sales of Notes or any Common Stock issuable on conversion thereof
under Rule 144(k) under the Securities Act (or any successor provision), the Company covenants and
agrees that it shall, during any period in which it is not subject to Section 13 or 15(d) under the
Exchange Act, make available to any holder or owner of a beneficial interest in a Note or to any
holder of such Common Stock, in either case which continues to be a Restricted Security, in
connection with any sale thereof, and to any prospective purchasers of Notes or such Common Stock
from such holder or beneficial holder, the information required pursuant to Rule 144A(d)(4) under
the Securities Act upon the written request of any holder of or owner of a beneficial interest in,
the Notes or such Common Stock and it will take such further action as any holder or beneficial
owner of such Notes or such Common Stock may reasonably request, all to the extent required from
time to time to enable such holder or beneficial owner to sell its Notes or Common Stock (or
beneficial interests therein) without registration under the Securities Act within the limitation
of the exemption provided by Rule 144A, as such rule may be amended from time to time.

     Section 5.07. Stay, Extension and Usury Laws. The Company covenants (to the extent that it
may lawfully do so) that it shall not at any time insist upon, plead, or in any manner whatsoever
claim or take the benefit or advantage of, any stay, extension or usury law or other law which
would prohibit or forgive the Company from paying all or any portion of the principal of or
interest on the Notes as contemplated herein, wherever enacted, now or at any time hereafter in
force, or which may affect the covenants or the performance of this Indenture; and the Company (to
the extent it may lawfully do so) hereby expressly waives all benefit or advantage of any such law,
and covenants that it will not, by resort to any such law, hinder, delay or impede the execution of
any power herein granted to the Trustee, but will suffer and permit the execution of every such
power as though no such law had been enacted.

     Section 5.08. Compliance Certificate; Statements as to Defaults. The Company shall deliver to
the Trustee within 120 days after the end of each fiscal year of the Company

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(beginning with the fiscal year ending on December 31, 2005) an Officers’ Certificate stating
whether or not the signer thereof has knowledge of any failure by the Company to comply with all
conditions and covenants then required to be performed under this Indenture and, if so, specifying
each such failure and the nature thereof.

     In addition, the Company shall deliver to the Trustee, as soon as possible and in any event
within 30 days after the Company becomes aware of the occurrence of any Event of Default or
Default, an Officers’ Certificate setting forth the details of such Event of Default or Default,
its status and the action which the Company proposes to take with respect thereto.

     Section 5.09. Additional Interest. If Additional Interest is payable by the Company pursuant
to the Registration Rights Agreement, the Company shall deliver to the Trustee a certificate to
that effect stating (i) the amount of such Additional Interest that is payable and (ii) the date on
which such Additional Interest is payable. Unless and until a Responsible Officer of the Trustee
receives at the Corporate Trust Office such a certificate, the Trustee may assume without inquiry
that no such Additional Interest is payable. If the Company has paid Additional Interest directly
to the persons entitled to them, the Company shall deliver to the Trustee a certificate setting
forth the particulars of such payment.

     Section 5.10. Further Instruments and Acts. Upon request of the Trustee, the Company will
execute and deliver such further instruments and do such further acts as may be reasonably
necessary or proper to carry out more effectively the purposes of this Indenture.

     Section 5.11. Resale Of The Notes. During the period of two years after the last date of
original issuance of the Notes the Company shall not, and shall not permit any of its Affiliates
to, resell any of the Notes or the shares of Common Stock, if any, issued upon conversion of the
Notes, that constitute “restricted securities” under Rule 144 under the Securities Act that have
been reacquired by any of them.

ARTICLE 6

LISTS OF NOTEHOLDERS AND REPORTS BY THE COMPANY AND THE TRUSTEE

     Section 6.01. Lists of Noteholders. The Company covenants and agrees that it will furnish or
cause to be furnished to the Trustee, semi-annually, not more than fifteen (15) days after each May
1 and November 1 in each year beginning with May 1, 2006, and at such other times as the Trustee
may request in writing, within thirty (30) days after receipt by the Company of any such request
(or such lesser time as the Trustee may reasonably request in order to enable it to timely provide
any notice to be provided by it hereunder), a list in such form as the Trustee may reasonably
require of the names and addresses of the Noteholders as of a date not more than fifteen (15) days
(or such other date as the Trustee may reasonably request in order to so provide any such notices)
prior to the time such information is furnished, except that no such list need be furnished so long
as the Trustee is acting as Note Registrar.

     Section 6.02. Preservation and Disclosure of Lists.

     (a) The Trustee shall preserve, in as current a form as is reasonably practicable, all
information as to the names and addresses of the Noteholders contained in the most recent list

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furnished to it as provided in Section 6.01 or maintained by the Trustee in its capacity as
Note Registrar, if so acting. The Trustee may destroy any list furnished to it as provided in
Section 6.01 upon receipt of a new list so furnished.

     (b) The rights of Noteholders to communicate with other Noteholders with respect to their
rights under this Indenture or under the Notes and the corresponding rights and duties of the
Trustee, shall be as provided by the Trust Indenture Act.

     (c) Every Noteholder, by receiving and holding the same, agrees with the Company and the
Trustee that neither the Company nor the Trustee nor any agent of either of them shall be held
accountable by reason of any disclosure of information as to names and addresses of Noteholders
made pursuant to the Trust Indenture Act.

     Section 6.03. Reports by Trustee.

     (a) Within sixty (60) days after May 15 of each year commencing with the year 2006, the
Trustee shall transmit to Noteholders such reports dated as of May 15 of each year in which such
reports are made concerning the Trustee and its actions under this Indenture as may be required
pursuant to the Trust Indenture Act at the times and in the manner provided pursuant thereto.

     (b) A copy of such report shall, at the time of such transmission to Noteholders, be filed by
the Trustee with each stock exchange and automated quotation system upon which the Notes are listed
and with the Company. The Company will notify the Trustee in writing within a reasonable time when
the Notes are listed on any stock exchange or automated quotation system and when any such listing
is discontinued.

     Section 6.04. Reports by Company.

     (a) After this Indenture has been qualified under the Trust Indenture Act, the Company shall
file with the Trustee and the Commission, and transmit to Noteholders, such information, documents
and other reports and such summaries thereof, as may be required pursuant to the Trust Indenture
Act at the times and in the manner provided pursuant to such Act; provided that any such
information, documents or reports required to be filed with the Commission pursuant to Section 13
or 15(d) of the Exchange Act shall be filed with the Trustee within 15 days after the same is filed
with the Commission.

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

ARTICLE 7

DEFAULTS AND REMEDIES

     Section 7.01. Events of Default. The following events shall be Events of Default with respect
to the Notes:

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     (a) default in any payment of interest, including any Additional Interest, on any Note when
due and payable and the default continues for a period of 30 days;

     (b) default in the payment of principal of any Note when due and payable on the Maturity Date,
upon required repurchase, upon declaration or otherwise;

     (c) failure by the Company to comply with its obligation to convert the Notes into cash or a
combination of cash and Common Stock, as applicable, upon exercise of a holder’s conversion right;

     (d) failure by the Company to comply with its obligations under Article XII;

     (e) failure by the Company to issue a Fundamental Change Company Notice in accordance with
Section 16.02 when due;

     (f) failure by the Company for 90 days to comply with any of its other agreements (other than
a covenant or warranty or default in whose performance or whose breach is elsewhere in this Section
specifically provided for) contained in the Notes or the Indenture after written notice of such
default from the Trustee or the holders of at least 25% in principal amount of the Notes then
outstanding has been received by the Company;

     (g) default by the Company or any Subsidiary of the Company in the payment of the principal or
interest on any mortgage, agreement or other instrument under which there may be outstanding, or by
which there may be secured or evidenced, any debt for money borrowed in excess of $15 million in
the aggregate of the Company and/or any such Subsidiary, whether such debt now exists or shall
hereafter be created, resulting in such debt becoming or being declared due and payable, and such
acceleration shall not have been rescinded or annulled within 30 days after written notice of such
acceleration has been received by the Company or such Subsidiary;

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

     (i) an involuntary case or other proceeding shall be commenced against the Company or any of
its Significant Subsidiaries seeking liquidation, reorganization or other relief with respect to
the Company or its debts under any bankruptcy, insolvency or other similar law now or hereafter in
effect or seeking the appointment of a trustee, receiver, liquidator, custodian or other similar
official of the Company or any of its Significant Subsidiaries or any substantial part of its
property, and such involuntary case or other proceeding shall remain undismissed and unstayed for a
period of ninety (90) consecutive days.

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     In case one or more Events of Default shall have occurred and be continuing (whatever the
reason for such Event of Default and whether it shall be voluntary or involuntary or be effected by
operation of law or pursuant to any judgment, decree or order of any court or any order, rule or
regulation of any administrative or governmental body), then, and in each and every such case
(other than an Event of Default specified in Section 7.01(h) or Section 7.01(i) with respect to the
Company), unless the principal of all of the Notes shall have already become due and payable,
either the Trustee or the holders of at least 25% in aggregate principal amount of the Notes then
outstanding determined in accordance with Section 9.04, by notice in writing to the Company (and to
the Trustee if given by Noteholders), may declare 100% of the principal of and premium, if any, and
accrued and unpaid interest and accrued and unpaid Additional Interest, if any, on all the Notes to
be due and payable immediately, and upon any such declaration the same shall become and shall be
immediately due and payable, anything in this Indenture or in the Notes contained to the contrary
notwithstanding. If an Event of Default specified in Section 7.01(h) or Section 7.01(i) occurs and
is continuing with respect to the Company, the principal of all the Notes and accrued and unpaid
interest and accrued and unpaid Additional Interest, if any, shall be immediately due and payable.
This provision, however, is subject to the conditions that if, at any time after the principal of
the Notes shall have been so declared due and payable, and before any judgment or decree for the
payment of the monies due shall have been obtained or entered as hereinafter provided, the Company
shall pay or shall deposit with the Trustee a sum sufficient to pay installments of accrued and
unpaid interest and accrued and unpaid Additional Interest, if any, upon all Notes and the
principal of and premium, if any, on any and all Notes that shall have become due otherwise than by
acceleration (with interest on overdue installments of accrued and unpaid interest and accrued and
unpaid Additional Interest, if any, (to the extent that payment of such interest is enforceable
under applicable law) and on such principal and premium, if any, at the rate borne by the Notes
during the period of such Default) and amounts due to the Trustee pursuant to Section 8.06, and if
(1) rescission would not conflict with any judgment or decree of a court of competent jurisdiction
and (2) any and all Events of Defaults under this Indenture, other than the nonpayment of principal
of and premium, if any, and accrued and unpaid interest and accrued and unpaid Additional Interest,
if any, on Notes that shall have become due solely by such acceleration, shall have been cured or
waived pursuant to Section 7.07, then and in every such case the holders of a majority in aggregate
principal amount of the Notes then outstanding, by written notice to the Company and to the
Trustee, may waive all defaults or Events of Default with respect to the Notes and rescind and
annul such declaration and its consequences and such default shall cease to exist, and any Event of
Default arising therefrom shall be deemed to have been cured for every purpose of this Indenture;
but no such waiver or rescission and annulment shall extend to or shall affect any subsequent
default or Event of Default, or shall impair any right consequent thereon. The Company shall
notify the Responsible Officer of the Trustee, promptly upon becoming aware thereof, of any Event
of Default by delivering to the Trustee a statement specifying such Event of Default and any action
the Company has taken, is taking or proposes to take with respect thereto.

     In case the Trustee shall have proceeded to enforce any right under this Indenture and such
proceedings shall have been discontinued or abandoned because of such waiver or rescission and
annulment or for any other reason or shall have been determined adversely to the Trustee, then and
in every such case the Company, the Noteholders, and the Trustee shall, subject to any
determination in such proceeding, be restored respectively to their several

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positions and rights hereunder, and all rights, remedies and powers of the Company, the
Noteholders, and the Trustee shall continue as though no such proceeding had been instituted.

     Section 7.02. Payments of Notes on Default; Suit Therefor. In the event that the Trustee or
the holders of not less than 25% in aggregate principal amount of the Notes then outstanding
hereunder have declared the principal of, and premium, if any, accrued and unpaid interest and
accrued and unpaid Additional Interest, if any, on, the Notes, to be due and payable immediately in
accordance with Section 7.01, and the Company shall have failed forthwith to pay such amounts, the
Trustee, in its own name and as trustee of an express trust, after being furnished suitable
indemnity pursuant to Section 8.01, shall be entitled and empowered to institute any actions or
proceedings at law or in equity for the collection of the sums so due and unpaid (including such
further amounts as shall be sufficient to cover the reasonable costs and expenses of collection,
including reasonable compensation to the Trustee, its agents, attorneys and counsel, and any
expenses or liabilities incurred by the Trustee hereunder other than through its negligence or bad
faith), and may prosecute any such action or proceeding to judgment or final degree, and may
enforce any such judgment or final decree against the Company or any other obligor on the Notes and
collect in the manner provided by law out of the property of the Company or any other obligor on
the Notes wherever situated the monies adjudged or decreed to be payable.

     In case there shall be pending proceedings for the bankruptcy or for the reorganization of the
Company or any other obligor on the Notes under title 11 of the United States Code, or any other
applicable law, or in case a receiver, assignee or trustee in bankruptcy or reorganization,
liquidator, sequestrator or similar official shall have been appointed for or taken possession of
the Company or such other obligor, the property of the Company or such other obligor, or in the
case of any other judicial proceedings relative to the Company or such other obligor upon the
Notes, or to the creditors or property of the Company or such other obligor, the Trustee,
irrespective of whether the principal of the Notes shall then be due and payable as therein
expressed or by declaration or otherwise and irrespective of whether the Trustee shall have made
any demand pursuant to the provisions of this Section 7.02, shall be entitled and empowered, by
intervention in such proceedings or otherwise, to file and prove a claim or claims for the whole
amount of principal premium, if any, and accrued and unpaid interest and accrued and unpaid
Additional Interest, if any, in respect of the Notes, and, in case of any judicial proceedings, to
file such proofs of claim and other papers or documents and to take such other actions as it may
deem necessary or advisable in order to have the claims of the Trustee (including any claim for the
reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and
counsel) and of the Noteholders allowed in such judicial proceedings relative to the Company or any
other obligor on the Notes, its or their creditors, or its or their property, and to collect and
receive any monies or other property payable or deliverable on any such claims, and to distribute
the same after the deduction of any amounts due the Trustee under Section 8.06; and any receiver,
assignee or trustee in bankruptcy or reorganization, liquidator, custodian or similar official is
hereby authorized by each of the Noteholders to make such payments to the Trustee, as
administrative expenses, and, in the event that the Trustee shall consent to the making of such
payments directly to the Noteholders, to pay to the Trustee any amount due it for reasonable
compensation, expenses, advances and disbursements, including agents and counsel fees, and
including any other amounts due to the Trustee under Section 8.06 hereof, incurred by it up to the
date of such distribution. To the extent that such payment of reasonable compensation,

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expenses, advances and disbursements out of the estate in any such proceedings 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, monies, securities and other property which the holders of the
Notes may be entitled to receive in such proceedings, 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 Noteholder any plan of reorganization, arrangement, adjustment
or composition affecting the Noteholder or the rights of any Noteholder thereof, or to authorize
the Trustee to vote in respect of the claim of any Noteholder in any such proceeding.

     All rights of action and of asserting claims under this Indenture, or under any of the Notes,
may be enforced by the Trustee without the possession of any of the Notes, or the production
thereof at any trial or other proceeding relative thereto, and any such suit or proceeding
instituted by the Trustee shall be brought in its own name as trustee of an express trust, and any
recovery of judgment shall, after provision for the payment of the reasonable compensation,
expenses, disbursements and advances of the Trustee, its agents and counsel, be for the ratable
benefit of the holders of the Notes.

     In any proceedings brought by the Trustee (and in any proceedings involving the interpretation
of any provision of this Indenture to which the Trustee shall be a party) the Trustee shall be held
to represent all the holders of the Notes, and it shall not be necessary to make any holders of the
Notes parties to any such proceedings.

     Section 7.03. Application of Monies Collected by Trustee. Any monies collected by the Trustee
pursuant to this Article VII with respect to the Notes shall be applied in the order following, at
the date or dates fixed by the Trustee for the distribution of such monies, upon presentation of
the several Notes, and stamping thereon the payment, if only partially paid, and upon surrender
thereof, if fully paid:

     First, to the payment of all amounts due the Trustee under Section 8.06;

     Second, in case the principal of the outstanding Notes shall not have become due and be
unpaid, to the payment of interest on the Notes, including Additional Interest, if any, in default
in the order of the maturity of the installments of such interest, with interest (to the extent
that such interest has been collected by the Trustee) upon the overdue installments of interest at
the rate borne by the Notes, such payments to be made ratably to the Persons entitled thereto;

     Third, in case the principal of the outstanding Notes shall have become due, by declaration or
otherwise, and be unpaid to the payment of the whole amount (including, if applicable, payments in
respect of the Conversion Obligation and Additional Shares) then owing and unpaid upon the Notes
for principal and premium, if any, and interest, including Additional Interest, if any, with
interest on the overdue principal and premium, if any, and (to the extent that such interest has
been collected by the Trustee) upon overdue installments of interest at the rate borne by the
Notes, and in case such monies shall be insufficient to pay in full the whole amounts so due and
unpaid upon the Notes, then to the payment of such principal and premium, if any, and interest
without preference or priority of principal and premium, if any, over interest,

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or of interest over principal and premium, if any, or of any installment of interest over any
other installment of interest, or of any Note over any other Note, ratably to the aggregate of such
principal and premium, if any, and accrued and unpaid interest; and

     Fourth, to the payment of the remainder, if any, to the Company or any other Person lawfully
entitled thereto.

     Section 7.04. Proceedings by Noteholders. No holder of any Note shall have any right by
virtue of or by availing of any provision of this Indenture to institute any suit, action or
proceeding in equity or at law upon or under or with respect to this Indenture, or for the
appointment of a receiver, trustee, liquidator, custodian or other similar official, or for any
other remedy hereunder, unless such holder previously shall have given to the Trustee written
notice of an Event of Default and of the continuance thereof, as hereinbefore provided, and unless
also the holders of not less than 25% in aggregate principal amount of the Notes then outstanding
shall have made written request upon the Trustee to institute such action, suit or proceeding in
its own name as Trustee hereunder and shall have offered to the Trustee such security or indemnity
reasonably satisfactory to it against any loss, liability or expense to be incurred therein or
thereby, and the Trustee for sixty (60) days after its receipt of such notice, request and offer of
indemnity, shall have neglected or refused to institute any such action, suit or proceeding and no
direction that, in the opinion of the Trustee, is inconsistent with such written request shall have
been given to the Trustee by the holders of a majority in principal amount of the Notes outstanding
pursuant to Section 7.07; it being understood and intended, and being expressly covenanted by the
taker and holder of every Note with every other taker and holder and the Trustee, that no one or
more Noteholders shall have any right in any manner whatever by virtue of or by availing of any
provision of this Indenture to affect, disturb or prejudice the rights of any other Noteholder, or
to obtain or seek to obtain priority over or preference to any other such holder, or to enforce any
right under this Indenture, except in the manner herein provided and for the equal, ratable and
common benefit of all Noteholders (except as otherwise provided herein). For the protection and
enforcement of this Section 7.04, each and every Noteholder and the Trustee shall be entitled to
such relief as can be given either at law or in equity.

     Notwithstanding any other provision of this Indenture and any provision of any Note, the right
of any Noteholder to receive payment of the principal of and premium, if any, and accrued and
unpaid interest and accrued and unpaid Additional Interest, if any, on such Note, on or after the
respective due dates expressed in such Note or in the notice of redemption, or to institute suit
for the enforcement of any such payment on or after such respective dates against the Company shall
not be impaired or affected without the consent of such Noteholder.

     Anything in this Indenture or the Notes to the contrary notwithstanding, the holder of any
Note, without the consent of either the Trustee or the holder of any other Note, in his own behalf
and for his own benefit, may enforce, and may institute and maintain any proceeding suitable to
enforce, his rights of conversion as provided herein.

     Section 7.05. Proceedings by Trustee. In case of an Event of Default the Trustee may in its
discretion proceed to protect and enforce the rights vested in it by this Indenture by such
appropriate judicial proceedings as are necessary to protect and enforce any of such rights, either
by suit in equity or by action at law or by proceeding in bankruptcy or otherwise, whether for the

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specific enforcement of any covenant or agreement contained in this Indenture or in aid of the
exercise of any power granted in this Indenture, or to enforce any other legal or equitable right
vested in the Trustee by this Indenture or by law.

     Section 7.06. Remedies Cumulative and Continuing. Except as provided in the last paragraph of
Section 2.07, all powers and remedies given by this Article VII to the Trustee or to the
Noteholders shall, to the extent permitted by law, be deemed cumulative and not exclusive of any
thereof or of any other powers and remedies available to the Trustee or the holders of the Notes,
by judicial proceedings or otherwise, to enforce the performance or observance of the covenants and
agreements contained in this Indenture, and no delay or omission of the Trustee or of any holder of
any of the Notes to exercise any right or power accruing upon any default or Event of Default shall
impair any such right or power, or shall be construed to be a waiver of any such default or any
acquiescence therein; and, subject to the provisions of Section 7.04, every power and remedy given
by this Article VII or by law to the Trustee or to the Noteholders may be exercised from time to
time, and as often as shall be deemed expedient, by the Trustee or by the Noteholders.

     Section 7.07. Direction of Proceedings and Waiver of Defaults by Majority of Noteholders. The
holders of a majority in aggregate principal amount of the Notes at the time outstanding determined
in accordance with Section 9.04 shall have the right to direct the time, method, and place of
conducting any proceeding for any remedy available to the Trustee or exercising any trust or power
conferred on the Trustee with respect to Notes; provided, however, that (a) such direction shall
not be in conflict with any rule of law or with this Indenture, and (b) the Trustee may take any
other action deemed proper by the Trustee that is not inconsistent with such direction. The
Trustee may refuse to follow any direction that it determines is unduly prejudicial to the rights
of any other holder or that would involve the Trustee in personal liability. The holders of a
majority in aggregate principal amount of the Notes at the time outstanding determined in
accordance with Section 9.04 may on behalf of the holders of all of the Notes waive any past
default or Event of Default hereunder and its consequences except (i) a default in the payment of
premium, accrued and unpaid interest or accrued and unpaid Additional Interest, if any, on, or the
principal of, the Notes when due which has not been cured pursuant to the provisions of Section
7.01, (ii) a failure by the Company to deliver cash and, if applicable, shares of Common Stock (and
cash in lieu of fractional shares) upon conversion of the Notes, or (iii) a default in respect of a
covenant or provisions hereof which under Article XI cannot be modified or amended without the
consent of each holder of an outstanding Note affected thereby. Upon any such waiver the Company,
the Trustee and the holders of the Notes shall be restored to their former positions and rights
hereunder; but no such waiver shall extend to any subsequent or other default or Event of Default
or impair any right consequent thereon. Whenever any default or Event of Default hereunder shall
have been waived as permitted by this Section 7.07, said default or Event of Default shall for all
purposes of the Notes and this Indenture be deemed to have been cured and to be not continuing; but
no such waiver shall extend to any subsequent or other default or Event of Default or impair any
right consequent thereon.

     Section 7.08. Notice of Defaults. The Trustee shall, within ninety (90) days after the
occurrence and continuance of a Default of which a Responsible Officer has actual knowledge, mail
to all Noteholders as the names and addresses of such holders appear upon the Note

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register, notice of all Defaults known to a Responsible Officer, unless such Defaults shall
have been cured or waived before the giving of such notice; and provided that, except in the case
of a Default in the payment of the principal of, or premium, if any, accrued and unpaid interest or
accrued and unpaid Additional Interest, if any, on any of the Notes, then in any such event the
Trustee shall be protected in withholding such notice if and so long as a committee of trust
officers of the Trustee in good faith determine that the withholding of such notice is in the
interests of the Noteholders.

     Section 7.09. Undertaking to Pay Costs. All parties to this Indenture agree, and each holder
of any Note by his acceptance thereof shall be deemed to have agreed, that any court may, in its
discretion, require, in any suit for the enforcement of any right or remedy under this Indenture,
or in any suit against the Trustee for any action taken or omitted by it as Trustee, the filing by
any party litigant in such suit of an undertaking to pay the costs of such suit and that such court
may in its discretion assess reasonable costs, including reasonable attorneys’ fees, against any
party litigant in such suit, having due regard to the merits and good faith of the claims or
defenses made by such party litigant; provided that the provisions of this Section 7.09 (to the
extent permitted by law) shall not apply to any suit instituted by the Trustee, to any suit
instituted by any Noteholder, or group of Noteholders, holding in the aggregate more than 10% in
principal amount of the Notes at the time outstanding determined in accordance with Section 9.04,
or to any suit instituted by any Noteholder for the enforcement of the payment of the principal of
or premium, if any, accrued and unpaid interest or accrued and unpaid Additional Interest, if any,
on any Note on or after the due date expressed in such Note or to any suit for the enforcement of
the right to convert any Note in accordance with the provisions of Article XV.

ARTICLE 8

CONCERNING THE TRUSTEE

     Section 8.01. Duties and Responsibilities of Trustee. The Trustee, prior to the occurrence of
an Event of Default and after the curing or waiver of all Events of Default which may have
occurred, undertakes to perform such duties and only such duties as are specifically set forth in
this Indenture. In case an Event of Default has occurred (which has not been cured or waived) the
Trustee shall exercise such of the rights and powers vested in it by this Indenture, and use the
same degree of care and skill in their exercise, as a prudent person would exercise or use under
the circumstances in the conduct of such person’s own affairs; provided that if an Event of Default
occurs and is continuing, the Trustee will be under no obligation to exercise any of the rights or
powers under this Indenture at the request or direction of any of the holders unless such holders
have offered to the Trustee reasonable indemnity or security against loss, liability or expense.

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

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

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     (i) the duties and obligations of the Trustee shall be determined solely by the express
provisions of this Indenture and, after it has been qualified thereunder, the Trust
Indenture Act, and the Trustee shall not be liable except for the performance of such duties
and obligations as are specifically set forth in this Indenture and no implied covenants or
obligations shall be read into this Indenture and the Trust Indenture Act against the
Trustee; and

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

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

     (c) the Trustee shall not be liable with respect to any action taken or omitted to be taken by
it in good faith in accordance with the direction of the holders of not less than a majority in
principal amount of the Notes at the time outstanding determined as provided in Section 9.04
relating to the time, method and place of conducting any proceeding for any remedy available to the
Trustee, or exercising any trust or power conferred upon the Trustee, under this Indenture;

     (d) whether or not therein provided, every provision of this Indenture relating to the conduct
or affecting the liability of, or affording protection to, the Trustee shall be subject to the
provisions of this Section;

     (e) the Trustee shall not be liable in respect of any payment (as to the correctness of
amount, entitlement to receive or any other matters relating to payment) or notice effected by the
Company or any Paying Agent or any records maintained by any co-registrar with respect to the
Notes;

     (f) if any party fails to deliver a notice relating to an event the fact of which, pursuant to
this Indenture, requires notice to be sent to the Trustee, the Trustee may conclusively rely on its
failure to receive such notice as reason to act as if no such event occurred, unless such
Responsible Officer of the Trustee had actual knowledge of such event;

     (g) in the absence of written investment direction from the Company, all cash received by the
Trustee shall be placed in a non-interest bearing trust account. In no event shall the Trustee be
liable for the selection of investments or for investment losses incurred thereon or for losses
incurred as a result of the liquidation of any such investments prior to its stated maturity or the
failure of the party directing such investments prior to its stated maturity or the failure of the
party directing such investment to provide timely written investment direction, and the Trustee
shall have no obligation to invest or reinvest any amounts held hereunder in the absence of such
written investment direction from the Company; and

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     (h) in the event that the Trustee is also acting as Custodian, Note Registrar, Paying Agent,
Conversion Agent or transfer agent hereunder, the rights and protections afforded to the Trustee
pursuant to this Article VIII shall also be afforded to it in its capacity as such.

     None of the provisions contained in this Indenture shall require the Trustee to expend or risk
its own funds or otherwise incur personal financial liability in the performance of any of its
duties or in the exercise of any of its rights or powers.

     Section 8.02. Reliance on Documents, Opinions, Etc. Except as otherwise provided in Section
8.01:

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

     (b) any request, direction, order or demand of the Company mentioned herein shall be
sufficiently evidenced by an Officers’ Certificate (unless other evidence in respect thereof be
herein specifically prescribed); and any resolution of the Board of Directors may be evidenced to
the Trustee by a copy thereof certified by the Secretary or an Assistant Secretary of the Company;

     (c) the Trustee may consult with counsel and require an Opinion of Counsel and any advice of
such counsel or Opinion of Counsel shall be full and complete authorization and protection in
respect of any action taken or omitted by it hereunder in good faith and in accordance with such
advice or Opinion of Counsel;

     (d) the Trustee shall be under no obligation to exercise any of the rights or powers vested in
it by this Indenture at the request, order or direction of any of the Noteholders pursuant to the
provisions of this Indenture, unless such Noteholders shall have offered to the Trustee security or
indemnity satisfactory to it against the costs, expenses and liabilities which may be incurred
therein or thereby;

     (e) the Trustee shall not be bound to make any investigation into the facts or matters stated
in any resolution, certificate, statement, instrument, opinion, report, notice, request, direction,
consent, order, bond, debenture or other paper or document, but the Trustee, in its discretion, may
make such further inquiry or investigation into such facts or matters as it may see fit, and, if
the Trustee shall determine to make such further inquiry or investigation, it shall be entitled to
examine the books, records and premises of the Company, personally or by agent or attorney;
provided, however, that if the payment within a reasonable time to the Trustee of the costs,
expenses or liabilities likely to be incurred by it in the making of such investigation is, in the
opinion of the Trustee, not reasonably assured to the Trustee by the security afforded to it by the
terms of this Indenture, the Trustee may require indemnity satisfactory to the Trustee from the
Noteholders against such expenses or liability as a condition to so proceeding; the reasonable
expenses of every such examination shall be paid by the Company or, if paid by the Trustee or any
predecessor Trustee, shall be repaid by the Company upon demand;

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     (f) the Trustee may execute any of the trusts or powers hereunder or perform any duties
hereunder either directly or by or through agents, custodians, nominees or attorneys and the
Trustee shall not be responsible for any misconduct or negligence on the part of any agent,
custodian, nominee or attorney appointed by it with due care hereunder; and

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

     In no event shall the Trustee be liable for any consequential loss or damage of any kind
whatsoever (including but not limited to lost profits), even if the Trustee has been advised of the
likelihood of such loss or damage and regardless of the form of action other than through the
Trustee’s willful misconduct or gross negligence. The Trustee shall not be charged with knowledge
of any default or Event of Default with respect to the Notes, unless either (1) a Responsible
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 Notes; and the permissive rights of the Trustee enumerated herein shall not be
construed as duties.

     Section 8.03. No Responsibility for Recitals, Etc. The recitals contained herein and in the
Notes (except in the Trustee’s certificate of authentication) shall be taken as the statements of
the Company, and the Trustee assumes no responsibility for the correctness of the same. The
Trustee makes no representations as to the validity or sufficiency of this Indenture or of the
Notes. The Trustee shall not be accountable for the use or application by the Company of any Notes
or the proceeds of any Notes authenticated and delivered by the Trustee in conformity with the
provisions of this Indenture. The Trustee shall not be responsible or liable for any loss suffered
in connection with any investment of funds made by it in accordance with this Indenture or at the
direction of the Company. Except for information provided by the Trustee concerning the Trustee,
the Trustee shall have no responsibility for any information in any offering memorandum, prospectus
or other disclosure material distributed with respect to the Notes.

     Section 8.04. Trustee, Paying Agents, Conversion Agents or Registrar May Own Notes. The
Trustee, any Paying Agent, any Conversion Agent or Note Registrar, in its individual or any other
capacity, may become the owner or pledgee of Notes with the same rights it would have if it were
not Trustee, Paying Agent, Conversion Agent or Note Registrar.

     Section 8.05. Monies to Be Held in Trust. Subject to the provisions of Section 13.04, all
monies received by the Trustee shall, until used or applied as herein provided, be held in trust
for the purposes for which they were received. Money held by the Trustee in trust hereunder need
not be segregated from other funds except to the extent required by law. The Trustee shall be
under no liability for interest on any money received by it hereunder except as may be agreed from
time to time by the Company and the Trustee.

     Section 8.06. Compensation and Expenses of Trustee. The Company covenants and agrees to pay
to the Trustee from time to time, and the Trustee shall be entitled to, reasonable compensation for
all services rendered by it hereunder in any capacity (which shall not be limited by any provision
of law in regard to the compensation of a trustee of an express trust) as mutually agreed to in
writing between the Trustee and the Company, and the Company will pay

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or reimburse the Trustee upon its request for all reasonable expenses, disbursements and
advances reasonably incurred or made by the Trustee in accordance with any of the provisions of
this Indenture (including the reasonable compensation and the expenses and disbursements of its
agents and counsel and of all persons not regularly in its employ) except any such expense,
disbursement or advance as may arise from its gross negligence, willful misconduct or bad faith.
The Company also covenants to indemnify the Trustee in any capacity under this Indenture and any
other document or transaction entered into in connection herewith and its agents and any
authenticating agent for, and to hold them harmless against, any loss, liability or expense
incurred without gross negligence, willful misconduct or bad faith on the part of the Trustee, its
officers, directors, agents or employees, or such agent or authenticating agent, as the case may
be, and arising out of or in connection with the acceptance or administration of this trust or in
any other capacity hereunder, including the costs and expenses of defending themselves against any
claim of liability in the premises. The obligations of the Company under this Section 8.06 to
compensate or indemnify the Trustee and to pay or reimburse the Trustee for expenses, disbursements
and advances shall be secured by a lien prior to that of the Notes upon all property and funds held
or collected by the Trustee as such, except, subject to the effect of Section 7.03, funds held in
trust herewith for the benefit of the holders of particular Notes prior to the date of the accrual
of such unpaid compensation or indemnifiable claim. The Trustee’s right to receive payment of any
amounts due under this Section 8.06 shall not be subordinate to any other liability or indebtedness
of the Company (even though the Notes may be so subordinated). The obligation of the Company under
this Section 8.06 shall survive the satisfaction and discharge of this Indenture and the earlier
resignation or removal or the Trustee. The Company need not pay for any settlement made without
its consent, which consent shall not be unreasonably withheld. The indemnification provided in
this Section 8.06 shall extend to the officers, directors, agents and employees of the Trustee.

     When the Trustee and its agents and any authenticating agent incur expenses or render services
after an Event of Default specified in Section 7.01(h) or Section 7.01(i) occurs, the expenses and
the compensation for the services are intended to constitute expenses of administration under any
bankruptcy, insolvency or similar laws.

     Section 8.07. Officers’ Certificate as Evidence. Except as otherwise provided in Section
8.01, whenever in the administration of the provisions of this Indenture the Trustee shall deem it
necessary or desirable that a matter be proved or established prior to taking or omitting any
action hereunder, such matter (unless other evidence in respect thereof be herein specifically
prescribed) may, in the absence of gross negligence, willful misconduct, recklessness and bad faith
on the part of the Trustee, be deemed to be conclusively proved and established by an Officers’
Certificate delivered to the Trustee, and such Officers’ Certificate, in the absence of gross
negligence, willful misconduct, recklessness and bad faith on the part of the Trustee, shall be
full warrant to the Trustee for any action taken or omitted by it under the provisions of this
Indenture upon the faith thereof.

     Section 8.08. Conflicting Interests of Trustee. After qualification of this Indenture under
the Trust Indenture Act, if the Trustee has or shall acquire a conflicting interest within the
meaning of the Trust Indenture Act, the Trustee shall either eliminate such interest or resign, to
the extent and in the manner provided by, and subject to the provisions of, the Trust Indenture Act
and this Indenture.

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     Section 8.09. Eligibility of Trustee. There shall at all times be a Trustee hereunder which
shall be a Person that is eligible pursuant to the Trust Indenture Act to act as such and has a
combined capital and surplus of at least $50,000,000. If such Person publishes reports of
condition at least annually, pursuant to law or to the requirements of any supervising or examining
authority, then for the purposes of this Section, the combined capital and surplus of such Person
shall be deemed to be its combined capital and surplus as set forth in its most recent report of
condition so published. If at any time the Trustee shall cease to be eligible in accordance with
the provisions of this Section, it shall resign immediately in the manner and with the effect
hereinafter specified in this Article.

     Section 8.10. Resignation or Removal of Trustee.

     (a) The Trustee may at any time resign by giving written notice of such resignation to the
Company and by mailing notice thereof to the Noteholders at their addresses as they shall appear on
the Note register. Upon receiving such notice of resignation, the Company shall promptly appoint a
successor trustee by written instrument, in duplicate, executed by order of the Board of Directors,
one copy of which instrument shall be delivered to the resigning Trustee and one copy to the
successor trustee. If no successor trustee shall have been so appointed and have accepted
appointment sixty (60) days after the mailing of such notice of resignation to the Noteholders, the
resigning Trustee may petition any court of competent jurisdiction for the appointment of a
successor trustee, or any Noteholder who has been a bona fide holder of a Note or Notes for at
least six months may, subject to the provisions of Section 7.09, on behalf of himself and all
others similarly situated, petition any such court for the appointment of a successor trustee.
Such court may thereupon, after such notice, if any, as it may deem proper and prescribe, appoint a
successor trustee.

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

     (i) the Trustee shall fail to comply with Section 8.08 within a reasonable time after
written request therefor by the Company or by any Noteholder who has been a bona fide holder
of a Note or Notes for at least six (6) months, or

     (ii) the Trustee shall cease to be eligible in accordance with the provisions of
Section 8.09 and shall fail to resign after written request therefor by the Company or by
any such Noteholder, or

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

then, in any such case, the Company may by a Board Resolution remove the Trustee and appoint a
successor trustee by written instrument, in duplicate, executed by order of the Board of Directors,
one copy of which instrument shall be delivered to the Trustee so removed and one copy to the
successor trustee, or, subject to the provisions of Section 7.09, any Noteholder who has been a
bona fide holder of a Note or Notes for at least six (6) months may, on behalf of himself and all
others similarly situated, petition any court of competent jurisdiction for the

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removal of the Trustee and the appointment of a successor trustee. Such court may thereupon, after
such notice, if any, as it may deem proper and prescribe, remove the Trustee and appoint a
successor trustee.

     (c) The holders of a majority in aggregate principal amount of the Notes at the time
outstanding, as determined in accordance with Section 9.04, may at any time remove the Trustee and
nominate a successor trustee which shall be deemed appointed as successor trustee unless within ten
(10) days after notice to the Company of such nomination the Company objects thereto, in which case
the Trustee so removed or any Noteholder, upon the terms and conditions and otherwise as in Section
8.10(a) provided, may petition any court of competent jurisdiction for an appointment of a
successor trustee.

     (d) Any resignation or removal of the Trustee and appointment of a successor trustee pursuant
to any of the provisions of this Section 8.10 shall become effective upon acceptance of appointment
by the successor trustee as provided in Section 8.11.

     Section 8.11. Acceptance by Successor Trustee. Any successor trustee appointed as provided in
Section 8.10 shall execute, acknowledge and deliver to the Company and to its predecessor trustee
an instrument accepting such appointment hereunder, and thereupon the resignation or removal of the
predecessor trustee shall become effective and such successor trustee, without any further act,
deed or conveyance, shall become vested with all the rights, powers, duties and obligations of its
predecessor hereunder, with like effect as if originally named as trustee herein; but,
nevertheless, on the written request of the Company or of the successor trustee, the trustee
ceasing to act shall, upon payment of any amounts then due it pursuant to the provisions of Section
8.06, execute and deliver an instrument transferring to such successor trustee all the rights and
powers of the trustee so ceasing to act. Upon request of any such successor trustee, the Company
shall execute any and all instruments in writing for more fully and certainly vesting in and
confirming to such successor trustee all such rights and powers. Any trustee ceasing to act shall,
nevertheless, retain a lien upon all property and funds held or collected by such trustee as such,
except for funds held in trust for the benefit of holders of particular Notes, to secure any
amounts then due it pursuant to the provisions of Section 8.06.

     No successor trustee shall accept appointment as provided in this Section 8.11 unless at the
time of such acceptance such successor trustee shall be qualified under the provisions of Section
8.08 and be eligible under the provisions of Section 8.09.

     Upon acceptance of appointment by a successor trustee as provided in this Section 8.11, each
of the Company and the successor trustee, at the written direction and at the expense of the
Company shall mail or cause to be mailed notice of the succession of such trustee hereunder to the
Noteholders at their addresses as they shall appear on the Note register. If the Company fails to
mail such notice within ten (10) days after acceptance of appointment by the successor trustee, the
successor trustee shall cause such notice to be mailed at the expense of the Company.

     Section 8.12. Succession by Merger, Etc. Any corporation or other entity into which the
Trustee may be merged or converted or with which it may be consolidated, or any corporation
resulting from any merger, conversion or consolidation to which the Trustee shall be a party, or
any corporation or other entity succeeding to all or substantially all of the corporate trust

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business of the Trustee (including the administration of this Indenture), shall be the
successor to the Trustee hereunder without the execution or filing of any paper or any further act
on the part of any of the parties hereto, provided that in the case of any corporation succeeding
to all or substantially all of the corporate trust business of the Trustee such corporation shall
be qualified under the provisions of Section 8.08 and eligible under the provisions of Section
8.09.

     In case at the time such successor to the Trustee shall succeed to the trusts created by this
Indenture, any of the Notes shall have been authenticated but not delivered, any such successor to
the Trustee may adopt the certificate of authentication of any predecessor trustee or
authenticating agent appointed by such predecessor trustee, and deliver such Notes so
authenticated; and in case at that time any of the Notes shall not have been authenticated, any
successor to the Trustee or an authenticating agent appointed by such successor trustee may
authenticate such Notes either in the name of any predecessor trustee hereunder or in the name of
the successor trustee; and in all such cases such certificates shall have the full force which it
is anywhere in the Notes or in this Indenture provided that the certificate of the Trustee shall
have; provided, however, that the right to adopt the certificate of authentication of any
predecessor Trustee or to authenticate Notes in the name of any predecessor Trustee shall apply
only to its successor or successors by merger, conversion or consolidation.

     Section 8.13. Limitation on Rights of Trustee as Creditor. If and when the Trustee shall be
or become a creditor of the Company (or any other obligor upon the Notes), after qualification
under the Trust Indenture Act, the Trustee shall be subject to the provisions of the Trust
Indenture Act regarding the collection of the claims against the Company (or any such other
obligor).

     Section 8.14. Trustee’s Application for Instructions from the Company. Any application by the
Trustee for written instructions from the Company (other than with regard to any action proposed to
be taken or omitted to be taken by the Trustee that affects the rights of the holders of the Notes
under this Indenture) may, at the option of the Trustee, set forth in writing any action proposed
to be taken or omitted by the Trustee under this Indenture and the date on and/or after which such
action shall be taken or such omission shall be effective. The Trustee shall not be liable for any
action taken by, or omission of, the Trustee in accordance with a proposal included in such
application on or after the date specified in such application (which date shall not be less than
three (3) Business Days after the date any officer of the Company actually receives such
application, unless any such officer shall have consented in writing to any earlier date), unless,
prior to taking any such action (or the effective date in the case of any omission), the Trustee
shall have received written instructions in response to such proposal specifying the action to be
taken or omitted.

ARTICLE 9

CONCERNING THE NOTEHOLDERS

     Section 9.01. Action by Noteholders. Whenever in this Indenture it is provided that the
holders of a specified percentage in aggregate principal amount of the Notes may take any action
(including the making of any demand or request, the giving of any notice, consent or waiver or the
taking of any other action), the fact that at the time of taking any such action, the holders of

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such specified percentage have joined therein may be evidenced (a) by any instrument or any
number of instruments of similar tenor executed by Noteholders in person or by agent or proxy
appointed in writing, or (b) by the record of the Noteholders voting in favor thereof at any
meeting of Noteholders duly called and held in accordance with the provisions of Article X, or (c)
by a combination of such instrument or instruments and any such record of such a meeting of
Noteholders. Whenever the Company or the Trustee solicits the taking of any action by the holders
of the Notes, the Company or the Trustee may fix, but shall not be required to, in advance of such
solicitation, a date as the record date for determining Noteholders entitled to take such action.
The record date if one is selected shall be not more than fifteen (15) days prior to the date of
commencement of solicitation of such action.

     Section 9.02. Proof of Execution by Noteholders. Subject to the provisions of Section 8.01,
Section 8.02 and Section 10.05, proof of the execution of any instrument by a Noteholder or his
agent or proxy shall be sufficient if made in accordance with such reasonable rules and regulations
as may be prescribed by the Trustee or in such manner as shall be satisfactory to the Trustee. The
holding of Notes shall be proved by the Note register or by a certificate of the Note Registrar.
The record of any Noteholders’ meeting shall be proved in the manner provided in Section 10.06.

     Section 9.03. Who Are Deemed Absolute Owners. The Company, the Trustee, any authenticating
agent, any Paying Agent, any Conversion Agent and any Note Registrar may deem the person in whose
name such Note shall be registered upon the Note register to be, and may treat him as, the absolute
owner of such Note (whether or not such Note shall be overdue and notwithstanding any notation of
ownership or other writing thereon made by any Person other than the Company or any Note Registrar)
for the purpose of receiving payment of or on account of the principal of, premium, if any, accrued
and unpaid interest and accrued and unpaid Additional Interest, if any, on such Note, for
conversion of such Note and for all other purposes; and neither the Company nor the Trustee nor any
Paying Agent nor any Conversion Agent nor any Note Registrar shall be affected by any notice to the
contrary. All such payments so made to any holder for the time being, or upon his order, shall be
valid, and, to the extent of the sum or sums so paid, effectual to satisfy and discharge the
liability for monies payable upon any such Note. Notwithstanding anything to the contrary in this
Indenture or the Notes following an Event of Default, any holder of a beneficial interest in a
Global Note may directly enforce against the Company, without the consent, solicitation, proxy,
authorization or any other action of the Depositary or any other person, such holder’s right to
exchange such beneficial interest for a Note in certificated form in accordance with the provisions
of this Indenture.

     Section 9.04. Company-Owned Notes Disregarded. In determining whether the holders of the
requisite aggregate principal amount of Notes have concurred in any direction, consent, waiver or
other action under this Indenture, Notes that are owned by the Company or any other obligor on the
Notes or by any person directly or indirectly controlling or controlled by or under direct or
indirect common control with the Company or any other obligor on such Notes shall be disregarded
and deemed not to be outstanding for the purpose of any such determination; provided that for the
purposes of determining whether the Trustee shall be protected in relying on any such direction,
consent, waiver or other action only Notes that a Responsible Officer knows are so owned shall be
so disregarded. Notes so owned that have been pledged in good faith may be regarded as outstanding
for the purposes of this Section 9.04 if the pledgee shall

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establish to the satisfaction of the Trustee the pledgee’s right to vote such Notes and that
the pledgee is not the Company, any other obligor on the Notes or a person directly or indirectly
controlling or controlled by or under direct or indirect common control with the Company or any
such other obligor. In the case of a dispute as to such right, any decision by the Trustee taken
upon the advice of counsel shall be full protection to the Trustee. Upon request of the Trustee,
the Company shall furnish to the Trustee promptly an Officers’ Certificate listing and identifying
all Notes, if any, known by the Company to be owned or held by or for the account of any of the
above described persons; and, subject to Section 8.01, the Trustee shall be entitled to accept such
Officers’ Certificate as conclusive evidence of the facts therein set forth and of the fact that
all Notes not listed therein are outstanding for the purpose of any such determination.

     Section 9.05. Revocation of Consents; Future Holders Bound. At any time prior to (but not
after) the evidencing to the Trustee, as provided in Section 9.01, of the taking of any action by
the holders of the percentage in aggregate principal amount of the Notes specified in this
Indenture in connection with such action, any holder of a Note that is shown by the evidence to be
included in the Notes the holders of which have consented to such action may, by filing written
notice with the Trustee at its Corporate Trust Office and upon proof of holding as provided in
Section 9.02, revoke such action so far as concerns such Note. Except as aforesaid, any such
action taken by the holder of any Note shall be conclusive and binding upon such holder and upon
all future holders and owners of such Note and of any Notes issued in exchange or substitution
therefor, irrespective of whether any notation in regard thereto is made upon such Note or any Note
issued in exchange or substitution therefor.

ARTICLE 10

NOTEHOLDERS’ MEETINGS

     Section 10.01. Purpose of Meetings. A meeting of Noteholders may be called at any time and
from time to time pursuant to the provisions of this Article X for any of the following purposes:

     (a) to give any notice to the Company or to the Trustee or to give any directions to the
Trustee permitted under this Indenture, or to consent to the waiving of any default or Event of
Default hereunder and its consequences, or to take any other action authorized to be taken by
Noteholders pursuant to any of the provisions of Article VII;

     (b) to remove the Trustee and nominate a successor trustee pursuant to the provisions of
Article VIII;

     (c) to consent to the execution of an indenture or indentures supplemental hereto pursuant to
the provisions of Section 11.02; or

     (d) to take any other action authorized to be taken by or on behalf of the holders of any
specified aggregate principal amount of the Notes under any other provision of this Indenture or
under applicable law.

     Section 10.02. Call of Meetings by Trustee. The Trustee may at any time call a meeting of
Noteholders to take any action specified in Section 10.01, to be held at such time and at such

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place as the Trustee shall determine. Notice of every meeting of the Noteholders,
setting forth the time and the place of such meeting and in general terms the action proposed to be
taken at such meeting and the establishment of any record date pursuant to Section 9.01, shall be
mailed to holders of such Notes at their addresses as they shall appear on the Note register. Such
notice shall also be mailed to the Company. Such notices shall be mailed not less than twenty (20)
nor more than ninety (90) days prior to the date fixed for the meeting.

     Any meeting of Noteholders shall be valid without notice if the holders of all Notes then
outstanding are present in person or by proxy or if notice is waived before or after the meeting by
the holders of all Notes outstanding, and if the Company and the Trustee are either present by duly
authorized representatives or have, before or after the meeting, waived notice.

     Section 10.03. Call of Meetings by Company or Noteholders. In case at any time the Company,
pursuant to a resolution of its Board of Directors, or the holders of at least 10% in aggregate
principal amount of the Notes then outstanding, shall have requested the Trustee to call a meeting
of Noteholders, by written request setting forth in reasonable detail the action proposed to be
taken at the meeting, and the Trustee shall not have mailed the notice of such meeting within
twenty (20) days after receipt of such request, then the Company or such Noteholders may determine
the time and the place for such meeting and may call such meeting to take any action authorized in
Section 10.01, by mailing notice thereof as provided in Section 10.02.

     Section 10.04. Qualifications for Voting. To be entitled to vote at any meeting of
Noteholders a person shall (a) be a holder of one or more Notes on the record date pertaining to
such meeting or (b) be a person appointed by an instrument in writing as proxy by a holder of one
or more Notes. The only persons who shall be entitled to be present or to speak at any meeting of
Noteholders shall be the persons entitled to vote at such meeting and their counsel and any
representatives of the Trustee and its counsel and any representatives of the Company and its
counsel.

     Section 10.05. Regulations. Notwithstanding any other provisions of this Indenture, the
Trustee may make such reasonable regulations as it may deem advisable for any meeting of
Noteholders, in regard to proof of the holding of Notes and of the appointment of proxies, and in
regard to the appointment and duties of inspectors of votes, the submission and examination of
proxies, certificates and other evidence of the right to vote, and such other matters concerning
the conduct of the meeting as it shall think fit.

     The Trustee shall, by an instrument in writing, appoint a temporary chairman of the meeting,
unless the meeting shall have been called by the Company or by Noteholders as provided in Section
10.03, in which case the Company or the Noteholders calling the meeting, as the case may be, shall
in like manner appoint a temporary chairman. A permanent chairman and a permanent secretary of the
meeting shall be elected by vote of the holders of a majority in principal amount of the Notes
represented at the meeting and entitled to vote at the meeting.

     Subject to the provisions of Section 9.04, at any meeting of Noteholders each Noteholder or
proxyholder shall be entitled to one vote for each $1,000 principal amount of Notes held or
represented by him; provided, however, that no vote shall be cast or counted at any meeting in

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respect of any Note challenged as not outstanding and ruled by the chairman of the meeting to
be not outstanding. The chairman of the meeting shall have no right to vote other than by virtue
of Notes held by him or instruments in writing as aforesaid duly designating him as the proxy to
vote on behalf of other Noteholders. Any meeting of Noteholders duly called pursuant to the
provisions of Section 10.02 or Section 10.03 may be adjourned from time to time by the holders of a
majority of the aggregate principal amount of Notes represented at the meeting, whether or not
constituting a quorum, and the meeting may be held as so adjourned without further notice.

     Section 10.06. Voting. The vote upon any resolution submitted to any meeting of Noteholders
shall be by written ballot on which shall be subscribed the signatures of the Noteholders or of
their representatives by proxy and the principal amount of the Notes held or represented by them.
The permanent chairman of the meeting shall appoint two inspectors of votes who shall count all
votes cast at the meeting for or against any resolution and who shall make and file with the
secretary of the meeting their verified written reports in duplicate of all votes cast at the
meeting. A record in duplicate of the proceedings of each meeting of Noteholders shall be prepared
by the secretary of the meeting and there shall be attached to said record the original reports of
the inspectors of votes on any vote by ballot taken thereat and affidavits by one or more persons
having knowledge of the facts setting forth a copy of the notice of the meeting and showing that
said notice was mailed as provided in Section 10.02. The record shall show the principal amount of
the Notes voting in favor of or against any resolution. The record shall be signed and verified by
the affidavits of the permanent chairman and secretary of the meeting and one of the duplicates
shall be delivered to the Company and the other to the Trustee to be preserved by the Trustee, the
latter to have attached thereto the ballots voted at the meeting.

     Any record so signed and verified shall be conclusive evidence of the matters therein stated.

     Section 10.07. No Delay of Rights by Meeting. Nothing contained in this Article X shall be
deemed or construed to authorize or permit, by reason of any call of a meeting of Noteholders or
any rights expressly or impliedly conferred hereunder to make such call, any hindrance or delay in
the exercise of any right or rights conferred upon or reserved to the Trustee or to the Noteholders
under any of the provisions of this Indenture or of the Notes.

ARTICLE 11

SUPPLEMENTAL INDENTURES

     Section 11.01. Supplemental Indentures Without Consent of Noteholders. The Company, when
authorized by the resolutions of the Board of Directors, and the Trustee, at the Company’s expense,
may from time to time and at any time enter into an indenture or indentures supplemental hereto for
one or more of the following purposes:

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

     (b) to provide for the assumption by a Successor Company of the obligations of the Company
under the Indenture pursuant to Article XII;

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

     (d) to add guarantees with respect to the Notes;

     (e) to secure the Notes;

     (f) to add to the covenants of the Company for the benefit of the holders or surrender any
right or power conferred upon the Company;

     (g) to make any change that does not materially adversely affect the rights of any holder; or

     (h) to comply with any requirements of the Commission in connection with the qualification of
the Indenture under the Trust Indenture Act.

     Upon the written request of the Company, accompanied by a Board Resolution authorizing the
execution of such supplemental indenture, the Trustee is hereby authorized to join with the Company
in the execution of any such supplemental indenture, to make any further appropriate agreements and
stipulations which may be therein contained and to accept the conveyance, transfer and assignment
of any property thereunder, but the Trustee shall not be obligated to, but may in its discretion,
enter into any supplemental indenture which affects the Trustee’s own rights, duties or immunities
under this Indenture or otherwise.

     Any supplemental indenture authorized by the provisions of this Section 11.01 may be executed
by the Company and the Trustee without the consent of the holders of any of the Notes at the time
outstanding.

     Notwithstanding any other provision of the Indenture or the Notes, the Registration Rights
Agreement and the obligation to pay Additional Interest thereunder may be amended, modified or
waived solely in accordance with the provisions of the Registration Rights Agreement.

     Section 11.02. Supplemental Indentures With Consent of Noteholders. With the consent
(evidenced as provided in Article IX) of the holders of at least a majority in aggregate principal
amount of the Notes at the time outstanding (determined in accordance with Article IX and
including, without limitation, consents obtained in connection with a purchase of, or tender offer
or exchange offer for, Notes), the Company, when authorized by the resolutions of the Board of
Directors, and the Trustee may from time to time and at any time enter into an indenture or
indentures supplemental hereto for the purpose of adding any provisions to or changing in any
manner or eliminating any of the provisions of this Indenture or any supplemental indenture or of
modifying in any manner the rights of the holders of the Notes; provided, however, that no such
supplemental indenture shall:

     (a) reduce the percentage in aggregate principal amount of Notes the holders of which must
consent to an amendment;

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     (b) reduce the rate, or extend the stated time for payment, of interest, including Additional
Interest, on any Note;

     (c) reduce the principal, or extend the Maturity Date, of any Note;

     (d) make any change that adversely affects the conversion rights of any Notes;

     (e) reduce the Fundamental Change Repurchase Price, Redemption Price or Put Right Purchase
Price of any Note or amend or modify in any manner adverse to the holders of the Notes the
Company’s obligation to make such payments, whether through an amendment or waiver of provisions in
the covenants, definitions or otherwise;

     (f) change the place or currency of payment of principal or interest in respect of any Note;

     (g) impair the right of any holder to receive payment of principal of, and interest, including
Additional Interest, if any, on, such holder’s Notes on or after the due dates therefor or to
institute suit for the enforcement of any payment on or with respect to such holder’s Note; or

     (h) make any change in the provisions of this Article XI that require each holder’s consent or
in the waiver provisions in Section 7.01 and Section 7.07,

in each case without the consent of each holder of an outstanding Note affected.

     Upon the written request of the Company, accompanied by a copy of the Board Resolutions
authorizing the execution of any such supplemental indenture, and upon the filing with the Trustee
of evidence of the consent of Noteholders as aforesaid, the Trustee shall join with the Company in
the execution of such supplemental indenture unless such supplemental indenture affects the
Trustee’s own rights, duties or immunities under this Indenture or otherwise, in which case the
Trustee may in its discretion, but shall not be obligated to, enter into such supplemental
indenture.

     It shall not be necessary for the consent of the Noteholders under this Section 11.02 to
approve the particular form of any proposed supplemental indenture, but it shall be sufficient if
such consent shall approve the substance thereof. After an amendment under the Indenture becomes
effective, the Company shall mail to the holders a notice briefly describing such amendment.
However, the failure to give such notice to all the holders, or any defect in the notice, will not
impair or affect the validity of the amendment.

     Notwithstanding anything herein to the contrary, no amendment or modification of the Indenture
may occur that amends or modifies, or otherwise adversely affects the rights of the holders of
Senior Indebtedness or Designated Senior Indebtedness under the subordination provisions described
in Article IV without the prior written consent of the holders of a majority of the Designated
Senior Indebtedness (or such larger percentage of the holders of the Designated Senior Indebtedness
as is required to approve such amendment or modification under the terms of such Designated Senior
Indebtedness) and at least a majority of all outstanding Senior Indebtedness.

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     Section 11.03. Effect of Supplemental Indentures. Any supplemental indenture executed
pursuant to the provisions of this Article XI shall comply with the Trust Indenture Act, as then in
effect, provided that this Section 11.03 shall not require such supplemental indenture or the
Trustee to be qualified under the Trust Indenture Act prior to the time such qualification is in
fact required under the terms of the Trust Indenture Act or the Indenture has been qualified under
the Trust Indenture Act, nor shall it constitute any admission or acknowledgment by any party to
such supplemental indenture that any such qualification is required prior to the time such
qualification is in fact required under the terms of the Trust Indenture Act or the Indenture has
been qualified under the Trust Indenture Act. Upon the execution of any supplemental indenture
pursuant to the provisions of this Article XI, this Indenture shall be and be deemed to be modified
and amended in accordance therewith and the respective rights, limitation of rights, obligations,
duties and immunities under this Indenture of the Trustee, the Company and the Noteholders shall
thereafter be determined, exercised and enforced hereunder subject in all respects to such
modifications and amendments and all the terms and conditions of any such supplemental indenture
shall be and be deemed to be part of the terms and conditions of this Indenture for any and all
purposes.

     Section 11.04. Notation on Notes. Notes authenticated and delivered after the execution of
any supplemental indenture pursuant to the provisions of this Article XI may bear a notation in
form approved by the Trustee as to any matter provided for in such supplemental indenture. If the
Company or the Trustee shall so determine, new Notes so modified as to conform, in the opinion of
the Trustee and the Board of Directors, to any modification of this Indenture contained in any such
supplemental indenture may, at the Company’s expense, be prepared and executed by the Company,
authenticated by the Trustee (or an authenticating agent duly appointed by the Trustee pursuant to
Section 17.11) and delivered in exchange for the Notes then outstanding, upon surrender of such
Notes then outstanding.

     Section 11.05. Evidence of Compliance of Supplemental Indenture to Be Furnished Trustee. In
addition to the documents required by Section 17.05, the Trustee shall receive an Officers’
Certificate and an Opinion of Counsel as conclusive evidence that any supplemental indenture
executed pursuant hereto complies with the requirements of this Article XI.

ARTICLE 12

CONSOLIDATION, MERGER, SALE, CONVEYANCE AND LEASE

     Section 12.01. Company May Consolidate, Etc. on Certain Terms.

     Subject to the provisions of Section 12.02, the Company shall not consolidate with, merge with
or into, or convey, transfer or lease all or substantially all of its assets and properties to
another Person, unless:

     (a) the resulting, surviving or transferee Person (the “Successor Company”) if not the Company
shall be a Person organized and existing under the laws of the United States of America, any State
thereof or the District of Columbia and the Successor Company (if not the Company) shall expressly
assume, by supplemental indenture, executed and delivered to the Trustee, in form satisfactory to
the Trustee, all the obligations of the Company under the Notes,

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this Indenture and, to the extent that it is otherwise still operative, shall expressly assume
all the obligations of the Company under the Registration Rights Agreement; and

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

     For purposes of this Section 12.01, the sale, lease, conveyance, assignment, transfer, or
other disposition of all or substantially all of the properties and assets of one or more
Subsidiaries of the Company, which properties and assets, if held by the Company instead of such
Subsidiaries, would constitute all or substantially all of the properties and assets of the Company
on a consolidated basis, shall be deemed to be the transfer of all or substantially all of the
properties and assets of the Company.

     Section 12.02. Successor Corporation to be Substituted. In case of any such consolidation,
merger, conveyance, transfer or lease and upon the assumption by the Successor Company, by
supplemental indenture, executed and delivered to the Trustee and satisfactory in form to the
Trustee, of the due and punctual payment of the principal of and premium, if any, accrued and
unpaid interest and accrued and unpaid Additional Interest, if any, on all of the Notes, the due
and punctual conversion of the Notes and the due and punctual performance of all of the covenants
and conditions of this Indenture to be performed by the Company, such Successor Company shall
succeed to and be substituted for the Company and the Company shall be released from those
obligations, with the same effect as if it had been named herein as the party of the first part.
Such Successor Company thereupon may cause to be signed, and may issue either in its own name or in
the name of the Company any or all of the Notes issuable hereunder which theretofore shall not have
been signed by the Company and delivered to the Trustee; and, upon the order of such Successor
Company instead of the Company and subject to all the terms, conditions and limitations in this
Indenture prescribed, the Trustee shall authenticate and shall deliver, or cause to be
authenticated and delivered, any Notes which previously shall have been signed and delivered by the
officers of the Company to the Trustee for authentication, and any Notes which such Successor
Company thereafter shall cause to be signed and delivered to the Trustee for that purpose. All the
Notes so issued shall in all respects have the same legal rank and benefit under this Indenture as
the Notes theretofore or thereafter issued in accordance with the terms of this Indenture as though
all of such Notes had been issued at the date of the execution hereof. In the event of any such
consolidation, merger, conveyance, transfer or lease, the person named as the “Company” in the
first paragraph of this Indenture or any successor which shall thereafter have become such in the
manner prescribed in this Article XII may be dissolved, wound up and liquidated at any time
thereafter and such person shall be released from its liabilities as obligor and maker of the Notes
and from its obligations under this Indenture.

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

     Section 12.03. Officer’s Certificate and Opinion of Counsel to Be Given Trustee. No merger,
consolidation, sale transfer or lease shall be effective unless the Trustee shall receive an
Officers’ Certificate and an Opinion of Counsel as conclusive evidence that any such

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consolidation, merger, conveyance, transfer or lease and any such assumption complies with the
provisions of this Article XII.

ARTICLE 13

SATISFACTION AND DISCHARGE OF INDENTURE

     Section 13.01. Discharge of Indenture. When (a) the Company shall deliver to the Note
Registrar for cancellation all Notes theretofore authenticated (other than any Notes that have been
destroyed, lost or stolen and in lieu of or in substitution for which other Notes shall have been
authenticated and delivered) and not theretofore canceled, or (b) all the Notes not theretofore
canceled or delivered to the Notes registrar for cancellation shall have become due and payable,
whether on the Maturity Date or on any earlier Fundamental Change Repurchase Date, Put Right
Purchase Date or Redemption Date, or otherwise, and the Company shall deposit with the Trustee, in
trust, cash or shares of Common Stock, as applicable, sufficient to pay at maturity all of the
Notes (other than any Notes that shall have been mutilated, destroyed, lost or stolen and in lieu
of or in substitution for which other Notes shall have been authenticated and delivered) not
theretofore canceled or delivered to the Trustee for cancellation, including principal and premium,
if any, and accrued and unpaid interest and accrued and unpaid Additional Interest, if any, due
thereon, and if the Company shall also pay or cause to be paid all other sums payable hereunder by
the Company, then this Indenture shall cease to be of further effect except as to (i) the right of
holders to receive payments of principal of and premium, if any, and accrued and unpaid interest if
any, and accrued and unpaid Additional Interest, if any, and any unpaid Conversion Obligation and
Additional Shares, if any, on, the Notes and the other rights, duties and obligations of
Noteholders, as beneficiaries hereof with respect to the amounts, if any, so deposited with the
Trustee (ii) the rights, obligations and immunities of the Trustee hereunder and (iii) the
obligations of the Company under Section 8.06, and the Trustee, on written demand of the Company
accompanied by an Officers’ Certificate and an Opinion of Counsel as required by Section 17.05 and
at the cost and expense of the Company, shall execute proper instruments acknowledging satisfaction
of and discharging this Indenture; the Company, however, hereby agrees to reimburse the Trustee for
any costs or expenses thereafter reasonably and properly incurred by the Trustee and to compensate
the Trustee for any services thereafter reasonably and properly rendered by the Trustee in
connection with this Indenture or the Notes.

     Section 13.02. Deposited Monies to Be Held in Trust by Trustee. Subject to Section 13.04, all
monies deposited with the Trustee pursuant to Section 13.01 shall be held in trust and applied by
it to the payment, either directly or through any Paying Agent (including the Company if acting as
its own Paying Agent), to the holders of the particular Notes for the payment of which such monies
have been deposited with the Trustee, of all sums due thereon for principal and premium and accrued
and unpaid interest and accrued and unpaid Additional Interest, if any.

     Section 13.03. Paying Agent to Repay Monies Held. Upon the satisfaction and discharge of this
Indenture, all monies then held by any Paying Agent of the Notes (other than the Trustee) shall,
upon written request of the Company, be repaid to it or paid to the Trustee, and thereupon such
Paying Agent shall be released from all further liability with respect to such monies.

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     Section 13.04. Return of Unclaimed Monies. Subject to the requirements of applicable law, any
monies deposited with or paid to the Trustee for payment of the principal of, premium, if any, or
accrued and unpaid interest and accrued and unpaid Additional Interest, if any, on, Notes and not
applied but remaining unclaimed by the Noteholders for two years after the date upon which the
principal of, premium, if any, or accrued and unpaid interest or accrued and unpaid Additional
Interest, if any, on such Notes, as the case may be, shall have become due and payable, shall be
repaid to the Company by the Trustee on written request and all liability of the Trustee shall
thereupon cease with respect to such monies; and the holder of any of the Notes shall thereafter
look only to the Company for any payment which such holder may be entitled to collect unless an
applicable abandoned property law designates another person. The Trustee shall, promptly after
such payment of the principal of, premium, if any, or accrued and unpaid interest or accrued and
unpaid Additional Interest, if any, on Notes, as described in this Section 13.04 and upon written
request of the Company, return to the Company any funds in excess of the amount required for such
payment.

     Section 13.05. Reinstatement. If (i) the Trustee or the Paying Agent is unable to apply any
money in accordance with Section 13.02 by reason of any order or judgment of any court or
governmental authority enjoining, restraining or otherwise prohibiting such application and (ii)
the holders of at least a majority in principal amount of the then outstanding Notes so request by
written notice to the Trustee, the Company’s obligations under this Indenture shall be revived and
reinstated as though no deposit had occurred pursuant to Section 13.01 until such time as the
Trustee or the Paying Agent is permitted to apply all such money in accordance with Section 13.02;
provided, however, that if the Company makes any payment of interest or Additional Interest on or
principal of any Note following the reinstatement of its obligations, the Company shall be
subrogated to the rights of the Noteholders to receive such payment from the money held by the
Trustee or Paying Agent.

ARTICLE 14

IMMUNITY OF INCORPORATORS, STOCKHOLDERS, OFFICERS AND DIRECTORS

     Section 14.01. Indenture and Notes Solely Corporate Obligations. No recourse for the payment
of the principal of or premium, if any, or accrued and unpaid interest and accrued and unpaid
Additional Interest, if any, on any Note, or for any claim based thereon or otherwise in respect
thereof, and no recourse under or upon any obligation, covenant or agreement of the Company in this
Indenture or in any supplemental indenture or in any Note, or because of the creation of any
indebtedness represented thereby, shall be had against any past, present or future incorporator,
stockholder, employee, agent, officer or director or Subsidiary of the Company as such or of any
successor corporation, either directly or through the Company or any successor corporation, whether
by virtue of any constitution, statute or rule of law, or by the enforcement of any assessment or
penalty or otherwise; it being expressly understood that all such liability is hereby expressly
waived and released as a condition of, and as a consideration for, the execution of this Indenture
and the issue of the Notes.

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ARTICLE 15

CONVERSION OF NOTES

     Section 15.01. Conversion Privilege.

     (a) Subject to the conditions described in clause (i) and (ii) below, and upon compliance with
the provisions of this Article XV, a Noteholder shall have the right, at such holder’s option, to
convert all or any portion (if the portion to be converted is $1,000 principal amount or an
integral multiple thereof) of such Note at any time prior to the close of business on the scheduled
Trading Day immediately preceding August 15, 2013 at a rate (the “Conversion Rate”) of 24.6406
shares of Common Stock (subject to adjustment by the Company as provided in Section 15.04) per
$1,000 principal amount Note (the “Conversion Obligation”) under the circumstances and during the
periods set forth below. On and after August 15, 2013, regardless of the conditions described in
clause (i) and (ii) below, and upon compliance with the provisions of this Article XV, a Noteholder
shall have the right, at such holder’s option, to convert all or any portion (if the portion to be
converted is $1,000 principal amount or an integral multiple thereof) of such Note at any time
prior to the close of business on the scheduled Trading Day immediately preceding the Maturity
Date.

     (i) The Notes shall be convertible prior to August 15, 2013, during the five Business
Day period immediately after any five consecutive Trading Day period (the “Measurement
Period”) in which the Trading Price per $1,000 principal amount of Notes for each day of
such Measurement Period was less than 103% of the product of the Last Reported Sale Price of
the Common Stock on such date and the Conversion Rate on such date, all as determined by the
Trustee. The Trustee shall have no obligation to determine the Trading Price of the Notes
unless requested by the Company to do so in writing, and the Company shall have no
obligation to make such request unless a Noteholder provides the Company with reasonable
evidence that the Trading Price of the Notes would be less than 103% of the product of (a)
the then-applicable Conversion Rate of the Notes and (b) the Last Reported Sale Price at
such time, at which time the Company shall instruct the Trustee to determine the Trading
Price of the Notes beginning on the next Trading Day and on each successive Trading Day
until the Trading Price per Note is greater than or equal to 103% of the product of (a) the
then-applicable Conversion Rate of the Notes and (b) the Last Reported Sale Price on such
date. If the Trading Price condition set forth above has been met, the Company shall so
notify the Noteholders. If, at any time after the Trading Price condition set forth above
has been met, the Trading Price per $1,000 principal amount of Notes is greater than 103% of
the product of (a) the then-applicable Conversion Rate of the Notes and (b) the Last
Reported Sale Price on such date, the Company shall so notify the Noteholders.

     (ii) The Notes shall be convertible prior to August 15, 2013 as provided in Section
15.01(b), Section 15.01(c) and Section 15.01(d).

     (b) In the event that the Company elects to:

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     (i) distribute to all or substantially all holders of Common Stock rights entitling
them to purchase, for a period expiring within 60 days after the record date for such
distribution, Common Stock at a price less than the Last Reported Sale Price of the Common
Stock for the Trading Day immediately preceding the declaration date of such distribution;
or

     (ii) distribute to all or substantially all holders of Common Stock, assets or debt
securities of the Company or rights to purchase the Company’s securities, which distribution
has a per share value (as determined by the Board of Directors) exceeding 10% of the Last
Reported Sale Price of the Common Stock on the day immediately preceding the date of
declaration of such distribution,

then, in either case, holders may surrender the Notes for conversion at any time on and after the
date that the Company provides notice to holders referred to in the next sentence until the earlier
of the close of business on the Business Day immediately preceding the Ex-Dividend Date for such
distribution or the date the Company announces that such distribution will not take place. The
Company shall notify holders of any distribution referred to in either clause (i) or clause (ii)
above and of the resulting conversion right no later than the 35th Business Day prior to
the Ex-Dividend Date for such distribution.

     (c) If the Company consolidates with or merges with or into another Person or is a party to a
binding share exchange or conveys, transfers, sells, leases or otherwise disposes of all or
substantially all of its properties and assets in each case pursuant to which the Common Stock
would be converted into cash, securities and/or other property, then the holders shall have the
right to convert Notes at any time beginning fifteen calendar days prior to the date announced by
the Company as the anticipated effective date of the transaction and until and including the date
that is fifteen calendar days after the date that is the effective date of such transaction;
provided such transaction does not otherwise constitute a Fundamental Change to which the
provisions of Section 15.01(d) shall apply. The Company will notify holders of Notes at least 20
calendar days prior to the anticipated effective date of such transaction. The Board of Directors
shall determine the anticipated effective date of the transaction, and such determination shall be
conclusive and binding on the holders and shall be publicly announced by the Company and posted on
its web site not later than two Business Day prior to such 15th day.

     (d) If the Company is a party to any transaction or event that constitutes a Fundamental
Change, a holder may surrender Notes for conversion at any time from and after the 30th scheduled
Trading Day prior to the anticipated effective date of such transaction or event until the related
Fundamental Change Repurchase Date and, upon such surrender, the holder shall be entitled to the
increase in the Conversion Rate, if any, specified in Section 15.01(e). The Company shall give
notice to all record Noteholders and the Trustee of the Fundamental Change no later than 30
scheduled Trading Days prior to the anticipated effective date of the Fundamental Change.

     (e) (i) If a Noteholder elects to convert Notes in connection with a Fundamental Change that
occurs prior to November 15, 2013, the Conversion Rate applicable to each $1,000 principal amount
of Notes so converted shall be increased by an additional number of shares of Common Stock (the
"Additional Shares”) as described below. Settlement of Notes tendered for

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conversion to which Additional Shares shall be added to the Conversion Rate as provided in
this subsection shall be settled pursuant to Section 15.02(d) below. For purposes of this Section
15.01(e), a conversion shall be deemed to be “in connection” with a Fundamental Change to the
extent that such conversion is effected during the time period specified in Section 15.01(d)
(regardless of whether the provisions of clause (a)(i), (a)(ii), (b) or (c) of this Section 15.01
shall apply to such conversion).

     (ii) The number of Additional Shares by which the Conversion Rate will be increased
shall be determined by reference to the table attached as Schedule A hereto, based on the
date on which the Fundamental Change occurs or becomes effective (the “Effective Date”), and
the Stock Price; provided that if the actual Stock Price is between two Stock Price amounts
in the table or the Effective Date is between two Effective Dates in the table, the number
of Additional Shares shall be determined by a straight-line interpolation between the number
of Additional Shares set forth for the next higher and next lower Stock Price amounts and
the two nearest Effective Dates, as applicable, based on a 365-day year; provided further
that if (1) the Stock Price is greater than $160.00 per share of Common Stock (subject to
adjustment in the same manner as set forth in Section 15.04), no Additional Shares will be
added to the Conversion Rate, and (2) the Stock Price is less than $33.54 per share (subject
to adjustment in the same manner as set forth in Section 15.04), no Additional Shares will
be added to the Conversion Rate. Notwithstanding the foregoing, in no event will the total
number of shares of Common Stock issuable upon conversion exceed 29.8151 per $1,000
principal amount of Notes (subject to adjustment in the same manner as set forth in Section
15.04).

     (iii) The Stock Prices set forth in the first row of the table in Schedule A hereto
shall be adjusted as of any date on which the Conversion Rate of the Notes is adjusted. The
adjusted Stock Prices shall equal the Stock Prices applicable immediately prior to such
adjustment, multiplied by a fraction, the numerator of which is the Conversion Rate in
effect immediately prior to the adjustment giving rise to the Stock Price adjustment and the
denominator of which is the Conversion Rate as so adjusted. The number of Additional Shares
within the table shall be adjusted in the same manner as the Conversion Rate as set forth in
Section 15.04 (other than by operation of an adjustment to the Conversion Rate by adding
Additional Shares).

     Section 15.02. Conversion Procedure.

     (a) Subject to Section 15.02(b), the Company will satisfy the Conversion Obligation with
respect to each $1,000 principal amount of Notes tendered for conversion in cash and shares of
fully paid Common Stock, if applicable, by delivering, on the third Trading Day immediately
following the last day of the related Observation Period, cash and shares of Common Stock, if any,
equal to the sum of the Daily Settlement Amounts for each of the 20 Trading Days during the related
Observation Period; provided that the Company will deliver cash in lieu of fractional shares of
Common Stock as set forth pursuant to clause (k) below. The Daily Settlement Amounts shall be
determined by the Company promptly following the last day of the Observation Period.

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     (b) Notwithstanding Section 15.02(a), the Company shall satisfy the Conversion Obligation with
respect to each $1,000 principal amount of Notes tendered for conversion to which Additional Shares
shall be added to the Conversion Rate as set forth in Section 15.01(e) pursuant to this clause (b).

     (A) If the last day of the applicable Observation Period related to Notes
surrendered for conversion is prior to the third Trading Day preceding the Effective
Date of the Fundamental Change, the Company will satisfy the related Conversion
Obligation with respect to each $1,000 principal amount of Notes tendered for
conversion as described in Section 15.02(b) by delivering the cash and shares of
Common Stock (based on the Conversion Rate, but without regard to the number of
Additional Shares to be added to the Conversion Rate pursuant to Section 15.01(e))
on the third Trading Day immediately following the last day of the applicable
Observation Period. As soon as practicable following the Effective Date of the
Fundamental Change, the Company will deliver the increase in such amount of cash and
Reference Property in lieu of shares of Common Stock, if any, as if the Conversion
Rate had been increased by such number of Additional Shares during the related
Observation Period (and based upon the related Daily VWAP prices during such
Observation Period). If such increased amount of cash and shares, if any, results
in an increase to the amount of cash to be paid to holders, the Company will pay
such increase in cash, and if such increased amount results in an increase to the
number of shares of Common Stock, the Company will deliver such increase by
delivering Reference Property based on such increased number of shares.

     (B) If the last day of the applicable Observation Period related to Notes
surrendered for conversion is on or following the third scheduled Trading Day
preceding the Effective Date of such Fundamental Change, the Company will satisfy
the Conversion Obligation with respect to each $1,000 principal amount of Notes
tendered for conversion as described in Section 15.01(b) (based on the Conversion
Rate as increased by the Additional Shares pursuant to Section 15.01(e) above) on
the later to occur of (1) the Effective Date of the Fundamental Change and (2) the
third Trading Day immediately following the last day of the applicable Observation
Period.

     (c) Before any holder of a Note shall be entitled to convert the same as set forth above, such
holder shall (1) in the case of a Global Note, comply with the procedures of the Depositary in
effect at that time and, if required, pay funds equal to interest payable on the next Interest
Payment Date to which such holder is not entitled as set forth in Section 15.02(i) and, if
required, pay all taxes or duties, if any, and (2) in the case of a Note issued in certificated
form, (A) complete and manually sign and deliver an irrevocable written notice to the Conversion
Agent in the form on the reverse of such certificated Note (or a facsimile thereof) (a “Notice of
Conversion”) at the office of the Conversion Agent and shall state in writing therein the principal
amount of Notes to be converted and the name or names (with addresses) in which such holder wishes
the certificate or certificates for any shares of Common Stock, if any, to be delivered upon
settlement of the Conversion Obligation to be registered, (B) surrender such Notes, duly endorsed
to the Company or in blank (and accompanied by appropriate endorsement

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and transfer documents), at the office of the Conversion Agent, (C) if required, pay funds
equal to interest payable on the next Interest Payment Date to which such holder is not entitled as
set forth in Section 15.02(i), and (D) if required, pay all taxes or duties, if any. A Note shall
be deemed to have been converted immediately prior to the close of business on the date (the
"Conversion Date”) that the holder has complied with the requirements set forth in this Section
15.02(c).

     No Notice of Conversion with respect to any Notes may be tendered by a holder thereof if such
holder has also tendered a Put Right Purchase Notice or a Fundamental Change Repurchase Notice and
not validly withdrawn such Put Right Purchase Notice or Fundamental Change Repurchase Notice in
accordance with the applicable provisions of Section 16.01 or 16.02, as the case may be.

     If more than one Note shall be surrendered for conversion at one time by the same holder, the
Conversion Obligation with respect to such Notes, if any, that shall be payable upon conversion
shall be computed on the basis of the aggregate principal amount of the Notes (or specified
portions thereof to the extent permitted thereby) so surrendered.

     (d) Delivery of the amounts owing in satisfaction of the Conversion Obligation shall be made
by the Company in no event later than the date specified in Section 15.02(a), except to the extent
specified in Section 15.02(b). The Company shall make such delivery by paying the cash amount owed
to the Conversion Agent or to the holder of the Note surrendered for conversion, or such holder’s
nominee or nominees, and by issuing, or causing to be issued, and delivering to the Conversion
Agent or to such holder, or such holder’s nominee or nominees, certificates or a book-entry
transfer through the Depositary for the number of full shares of Common Stock to which such holder
shall be entitled as part of such Conversion Obligation (together with any cash in lieu of
fractional shares).

     (e) In case any Note shall be surrendered for partial conversion, the Company shall execute
and the Trustee shall authenticate and deliver to or upon the written order of the holder of the
Note so surrendered, without charge to such holder, a new Note or Notes in authorized denominations
in an aggregate principal amount equal to the unconverted portion of the surrendered Notes.

     (f) If a holder submits a Note for conversion, the Company shall pay all stamp and other
duties, if any, which may be imposed by the United States or any political subdivision thereof or
taxing authority thereof or therein with respect to the issuance of shares of Common Stock, if any,
upon the conversion. However, the holder shall pay any such tax which is due because the holder
requests any shares of Common Stock to be issued in a name other than the holder’s name. The
Conversion Agent may refuse to deliver the certificates representing the shares of Common Stock
being issued in a name other than the holder’s name until the Trustee receives a sum sufficient to
pay any tax which will be due because the shares are to be issued in a name other than the holder’s
name. Nothing herein shall preclude any tax withholding required by law or regulations.

     (g) Except as provided in Section 15.04, no adjustment shall be made for dividends on any
shares issued upon the conversion of any Note as provided in this Article.

63

 

     (h) Upon the conversion of an interest in a Global Note, the Trustee, or the Custodian at the
direction of the Trustee, shall make a notation on such Global Note as to the reduction in the
principal amount represented thereby. The Company shall notify the Trustee in writing of any
conversion of Notes effected through any Conversion Agent other than the Trustee.

     (i) Upon conversion, a Noteholder will not receive any separate cash payment for accrued and
unpaid interest and Additional Interest, if any, except as set forth below. The Company’s
settlement of the Conversion Obligations as described above shall be deemed to satisfy its
obligation to pay the principal amount of the Note and accrued and unpaid interest and Additional
Interest, if any, to, but not including, the Conversion Date. As a result, accrued and unpaid
interest and Additional Interest, if any, to, but not including, the Conversion Date shall be
deemed to be paid in full rather than cancelled, extinguished or forfeited. Notwithstanding the
preceding sentence, if Notes are converted after the close of business on a record date, holders of
such Notes as of the close of business on the record date will receive the interest and Additional
Interest, if any, payable on such Notes on the corresponding Interest Payment Date notwithstanding
the conversion. Notes surrendered for conversion during the period from the close of business on
any regular record date to the opening of business on the corresponding Interest Payment Date must
be accompanied by payment of an amount equal to the interest and Additional Interest, if any,
payable on the Notes so converted; provided, however, that no such payment need be made (1) if the
Company has called the Notes for redemption or (2) to the extent of any overdue interest or
Additional Interest, if any, existing at the time of conversion with respect to such Note. Except
as described above, no payment or adjustment will be made for accrued interest on converted Notes.

     (j) The Person in whose name the certificate for any shares of Common Stock issued upon
conversion is registered shall be treated as a stockholder of record on and after the Conversion
Date; provided, however, that no surrender of Notes on any date when the stock transfer books of
the Company shall be closed shall be effective to constitute the Person or Persons entitled to
receive the shares of Common Stock upon such conversion as the record holder or holders of such
shares of Common Stock on such date, but such surrender shall be effective to constitute the Person
or Persons entitled to receive such shares of Common Stock as the record holder or holders thereof
for all purposes at the close of business on the next succeeding day on which such stock transfer
books are open; such conversion shall be at the Conversion Rate in effect on the date that such
Notes shall have been surrendered for conversion, as if the stock transfer books of the Company had
not been closed. Upon conversion of Notes, such Person shall no longer be a Noteholder.

     (k) No fractional shares of Common Stock shall be issued upon conversion of any Note or Notes.
If more than one Note shall be surrendered for conversion at one time by the same holder, the
number of full shares that shall be issued upon conversion thereof shall be computed on the basis
of the aggregate principal amount of the Notes (or specified portions thereof) so surrendered.
Instead of any fractional share of Common Stock that would otherwise be issued upon conversion of
any Note or Notes (or specified portions thereof), the Company shall pay a cash adjustment in
respect of such fraction (calculated to the nearest one-100th of a share) in an amount equal to the
same fraction of the Last Reported Sale Price of the Common Stock on the last day of the applicable
Observation Period.

64

 

     Section 15.03. [Intentionally Omitted].

     Section 15.04. Adjustment of Conversion Rate. The Conversion Rate shall be adjusted from time
to time by the Company as follows:

     (a) In case the Company shall issue shares of Common Stock as a dividend or distribution to
holders of the outstanding Common Stock, or shall effect a subdivision into a greater number of
shares of Common Stock or combination into a lesser number of shares of Common Stock, the
Conversion Rate shall be adjusted based on the following formula:

where

	 	 	 	 	 
	     CR0

	 	=
	 	the Conversion Rate in effect immediately prior to such event;
	 
	 	 	 	 
	     CR’

	 	=
	 	the Conversion Rate in effect immediately after such event;
	 
	 	 	 	 
	     OS0

	 	=
	 	the number of shares of Common Stock outstanding immediately prior to such
event; and
	 
	 	 	 	 
	     OS’

	 	=
	 	the number of shares of Common Stock outstanding immediately after such event.

Such adjustment shall become effective immediately after 9:00 a.m., New York City time, on the
Business Day following the Record Date fixed for such determination. If any dividend or
distribution of the type described in this Section 15.04(a) is declared but not so paid or made, or
the outstanding shares of Common Stock are not subdivided or combined, as the case may be, the
Conversion Rate shall be immediately readjusted, effective as of the date the Board of Directors
determines not to pay such dividend or distribution, or subdivide or combine the outstanding shares
of Common Stock, as the case may be, to the Conversion Rate that would then be in effect if such
dividend, distribution, subdivision or combination had not been declared.

     (b) In case the Company shall issue to all or substantially all holders of its outstanding
shares of Common Stock rights, warrants or convertible securities entitling them (for a period
expiring within sixty (60) calendar days after the issuance thereof) to subscribe for or purchase
shares of Common Stock at a price per share less than the Last Reported Sale Price of the Common
Stock on the Business Day immediately preceding the date of announcement of such issuance, the
Conversion Rate shall be adjusted based on the following formula:

where

	 	 	 	 	 
	     CR0

	 	=
	 	the Conversion Rate in effect immediately prior to such event;

65

 

	 	 	 	 	 
	     CR’

	 	=
	 	the Conversion Rate in effect immediately after such event;
	 
	 	 	 	 
	     OS0

	 	=
	 	the number of shares of Common Stock outstanding immediately
prior to such event;
	 
	 	 	 	 
	     X

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

	 	=
	 	the number of shares of Common Stock equal to the aggregate
price payable to exercise or convert such rights, warrants or
convertible securities divided by the average of the Last
Reported Sale Prices of Common Stock over the ten consecutive
Trading Day period ending on the Business Day immediately
preceding the Record Date (or, if earlier, the “ex-dividend
date” relating to such distribution) for the issuance of such
rights, warrants or convertible securities.

Such adjustment shall be successively made whenever any such rights, warrants or convertible
securities are issued and shall become effective immediately after 9:00 a.m., New York City time,
on the Business Day following the date fixed for such determination. If such rights, warrants or
convertible securities are not so issued, the Conversion Rate shall again be adjusted to be the
Conversion Rate that would then be in effect if such Record Date for such distribution had not been
fixed. To the extent that shares of Common Stock are not delivered after the expiration of such
rights, warrants or convertible securities, the Conversion Rate shall be readjusted to the
Conversion Rate that would then be in effect had the adjustments made upon the issuance of such
rights, warrants or convertible securities been made on the basis of delivery of only the number of
shares of Common Stock actually delivered.

In determining whether any rights, warrants or convertible securities entitle the holders to
subscribe for or purchase shares of Common Stock at less than such Last Reported Sale Price, and in
determining the aggregate offering price of such shares of Common Stock, there shall be taken into
account any consideration received by the Company for such rights, warrants or convertible
securities and any amount payable on exercise or conversion thereof, the value of such
consideration, if other than cash, to be determined by the Board of Directors.

     (c) In case the Company shall, by dividend or otherwise, distribute to all or substantially
all holders of its Common Stock shares of any class of Capital Stock of the Company (other than
Common Stock as covered by Section 15.04(a)), evidences of its indebtedness or other assets or
property of the Company (including securities, but excluding dividends and distributions covered by
Section 15.04(b) or Section 15.04(d) and distributions described below in this paragraph (c) with
respect to Spin-Offs) (any of such shares of Capital Stock, indebtedness, or other asset or
property hereinafter in this Section 15.04(c) called the “Distributed Property”), then, in each
such case the Conversion Rate shall be adjusted based on the following formula:

66

 

where

	 	 	 	 	 
	     CR0

	 	=
	 	the Conversion Rate in effect immediately prior to such distribution;
	 
	 	 	 	 
	     CR’

	 	=
	 	the Conversion Rate in effect immediately after such distribution;
	 
	 	 	 	 
	     SP0

	 	=
	 	the average of the Last Reported Sale Prices of the Common Stock
over the ten consecutive Trading Day period ending on the Business
Day immediately preceding the Record Date for such distribution (or,
if earlier, the ex-dividend date relating to such distribution); and
	 
	 	 	 	 
	     FMV

	 	=
	 	the fair market value (as determined by the Board of Directors) of
the shares of Capital Stock, evidences of indebtedness, assets or
property distributed with respect to each outstanding share of
Common Stock on the record date for such distribution (or, if
earlier, the ex-dividend date relating to such distribution).

Such adjustment shall become effective immediately prior to 9:00 a.m., New York City time, on the
Business Day following the date fixed for the determination of stockholders entitled to receive
such distribution; provided that if the then fair market value (as so determined) of the portion of
the Distributed Property so distributed applicable to one share of Common Stock is equal to or
greater than
SP0 as set forth above, in lieu of the foregoing adjustment, adequate
provision shall be made so that each Noteholder shall have the right to receive, for each $1,000
principal amount of Notes upon conversion, the amount of Distributed Property such holder would
have received had such holder owned a number of shares of Common Stock equal to the Conversion Rate
on the Record Date. If such dividend or distribution is not so paid or made, the Conversion Rate
shall again be adjusted to be the Conversion Rate that would then be in effect if such dividend or
distribution had not been declared. If the Board of Directors determines the fair market value of
any distribution for purposes of this Section 15.04(c) by reference to the actual or when issued
trading market for any securities, it must in doing so consider the prices in such market over the
same period used in determining
SP0 above.

With respect to an adjustment pursuant to this Section 15.04(c) where there has been a payment of a
dividend or other distribution on the Common Stock or shares of Capital Stock of any class or
series, or similar equity interest, of or relating to a Subsidiary or other business unit (a
“Spin-Off”), the Conversion Rate in effect immediately before 5:00 p.m., New York City time, on the
Record Date fixed for determination of stockholders entitled to receive the distribution will be
increased based on the following formula:

where

	 	 	 	 	 
	     CR0

	 	=
	 	the Conversion Rate in effect immediately prior to such distribution;

67

 

	 	 	 	 	 
	     CR’

	 	=
	 	the Conversion Rate in effect immediately after such distribution;
	 
	 	 	 	 
	     FMV0

	 	=
	 	the average of the Last Reported Sale Prices of the Capital Stock or
similar equity interest distributed to holders of Common Stock
applicable to one share of Common Stock over the first ten
consecutive Trading Day period after the effective date of the
Spin-Off; and
	 
	 	 	 	 
	     MP0

	 	=
	 	the average of the Last Reported Sale Prices of Common Stock over
the first ten consecutive Trading Day period after the effective
date of the Spin-Off.

Such adjustment shall occur on the tenth Trading Day from, and including, the effective date of the
Spin-Off; provided that in respect of any conversion within the ten Trading Days following any
Spin-Off, references within this paragraph (c) to ten days shall be deemed replaced with such
lesser number of trading days as have elapsed between such Spin-Off and the conversion date in
determining the applicable Conversion Rate.

     Rights or warrants distributed by the Company to all holders of Common Stock, entitling the
holders thereof to subscribe for or purchase shares of the Company’s Capital Stock, including
Common Stock (either initially or under certain circumstances), which rights or warrants, until the
occurrence of a specified event or events (“Trigger Event”): (i) are deemed to be transferred with
such shares of Common Stock; (ii) are not exercisable; and (iii) are also issued in respect of
future issuances of Common Stock, shall be deemed not to have been distributed for purposes of this
Section 15.04 (and no adjustment to the Conversion Rate under this Section 15.04 will be required)
until the occurrence of the earliest Trigger Event, whereupon such rights and warrants shall be
deemed to have been distributed and an appropriate adjustment (if any is required) to the
Conversion Rate shall be made under this Section 15.04(c). If any such right or warrant, including
any such existing rights or warrants distributed prior to the date of this Indenture, are subject
to events, upon the occurrence of which such rights or warrants become exercisable to purchase
different securities, evidences of indebtedness or other assets, then the date of the occurrence of
any and each such event shall be deemed to be the date of distribution and record date with respect
to new rights or warrants with such rights (and a termination or expiration of the existing rights
or warrants without exercise by any of the holders thereof). In addition, in the event of any
distribution (or deemed distribution) of rights or warrants, or any Trigger Event or other event
(of the type described in the preceding sentence) with respect thereto that was counted for
purposes of calculating a distribution amount for which an adjustment to the Conversion Rate under
this Section 15.04 was made, (1) in the case of any such rights or warrants that shall all have
been redeemed or repurchased without exercise by any holders thereof, the Conversion Rate shall be
readjusted upon such final redemption or repurchase to give effect to such distribution or Trigger
Event, as the case may be, as though it were a cash distribution, equal to the per share redemption
or repurchase price received by a holder or holders of Common Stock with respect to such rights or
warrants (assuming such holder had retained such rights or warrants), made to all holders of Common
Stock as of the date of such redemption or repurchase, and (2) in the case of such rights or
warrants that shall have expired or been terminated without exercise by any holders thereof, the
Conversion Rate shall be readjusted as if such rights and warrants had not been issued.

     For purposes of this Section 15.04(c), Section 15.04(a) and Section 15.04(b), any dividend or
distribution to which this Section 15.04(c) is applicable that also includes shares of Common Stock
to which Section 15.04(a) applies or rights or warrants to subscribe for or

68

 

purchase shares of Common Stock to which Section 15.04(a) or Section 15.04(b) applies (or
both), shall be deemed instead to be (1) a dividend or distribution of the evidences of
indebtedness, assets or shares of capital stock other than such shares of Common Stock or rights or
warrants to which Section 15.04(b) applies (and any Conversion Rate adjustment required by this
Section 15.04(c) with respect to such dividend or distribution shall then be made) immediately
followed by (2) a dividend or distribution of such shares of Common Stock or such rights or
warrants (and any further Conversion Rate adjustment required by Section 15.04(a) and Section
15.04(b) with respect to such dividend or distribution shall then be made), except (A) the record
date of such dividend or distribution shall be substituted as “the Record Date” and “the date fixed
for such determination” within the meaning of Section 15.04(a) and Section 15.04(b) and (B) any
shares of Common Stock included in such dividend or distribution shall not be deemed “outstanding
immediately prior to such event” within the meaning of Section 15.04(a).

     (d) In case the Company shall pay a dividend or make a distribution consisting exclusively of
cash to all or substantially all holders of its Common Stock, the Conversion Rate shall be adjusted
based on the following formula:

where

	 	 	 	 	 
	     CR0

	 	=
	 	the Conversion Rate in effect immediately prior to
the Record Date for such distribution;
	 
	 	 	 	 
	     CR’

	 	=
	 	the Conversion Rate in effect immediately after
the Record Date for such distribution;
	 
	 	 	 	 
	     SP0

	 	=
	 	the Last Reported Sale Prices of the Common Stock
on the Trading Day immediately preceding the
Record Date for such distribution (or, if earlier,
the ex-dividend date relating to such
distribution); and
	 
	 	 	 	 
	     C

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

Such adjustment shall become effective immediately after 5:00 p.m., New York City time, on the
Record Date for such dividend or distribution; provided that if the portion of the cash so
distributed applicable to one share of Common Stock is equal to or greater than SP0 as
above, in lieu of the foregoing adjustment, adequate provision shall be made so that each
Noteholder shall have the right to receive upon conversion of a Note (or any portion thereof) the
amount of cash such holder would have received had such holder owned a number of shares equal to
the Conversion Rate on the Record Date. If such dividend or distribution is not so paid or made,
the Conversion Rate shall again be adjusted to be the Conversion Rate that would then be in effect
if such dividend or distribution had not been declared.

     For the avoidance of doubt, for purposes of this Section 15.04(d), in the event of any
reclassification of the Common Stock, as a result of which the Notes become convertible into more
than one class of Common Stock, if an adjustment to the Conversion Rate is required pursuant to
this Section 15.04(d), references in this Section to one share of Common Stock or

69

 

Last Reported Sale Price of one share of Common Stock shall be deemed to refer to a unit or to
the price of a unit consisting of the number of shares of each class of Common Stock into which the
Notes are then convertible equal to the numbers of shares of such class issued in respect of one
share of Common Stock in such reclassification. The above provisions of this paragraph shall
similarly apply to successive reclassifications.

     (e) In case the Company or any of its Subsidiaries makes a payment in respect of a tender
offer or exchange offer for all or any portion of the Common Stock, to the extent that the cash and
value of any other consideration included in the payment per share of Common Stock exceeds the Last
Reported Sale Price of the Common Stock on the Trading Day next succeeding the last date on which
tenders or exchanges may be made pursuant to such tender or exchange offer (as it may be amended),
the Conversion Rate shall be increased based on the following formula:

where

	 	 	 	 	 
	     CR0

	 	=
	 	the Conversion Rate in effect on the date such
tender or exchange offer expires;
	 
	 	 	 	 
	     CR’

	 	=
	 	the Conversion Rate in effect on the day next
succeeding the date such tender or exchange offer
expires;
	 
	 	 	 	 
	     AC

	 	=
	 	the aggregate value of all cash and any other
consideration (as determined by the Board of
Directors) paid or payable for shares purchased in
such tender or exchange offer;
	 
	 	 	 	 
	     OS0

	 	=
	 	the number of shares of Common Stock outstanding
immediately prior to the date such tender or
exchange offer expires;
	 
	 	 	 	 
	     OS’

	 	=
	 	the number of shares of Common Stock outstanding
immediately after the date such tender or exchange
offer expires; and
	 
	 	 	 	 
	     SP’

	 	=
	 	the average of the Last Reported Sale Prices of
Common Stock over the ten consecutive Trading Day
period commencing on the Trading Day next
succeeding the date such tender or exchange offer
expires,

such adjustment to become effective immediately prior to the opening of business on the day
following the last date on which tenders or exchanges may be made pursuant to such tender or
exchange offer. If the Company is obligated to purchase shares pursuant to any such tender or
exchange offer, but the Company is permanently prevented by applicable law from effecting all or
any such purchases or all or any portion of such purchases are rescinded, the Conversion Rate shall
again be adjusted to be the Conversion Rate that would then be in effect if such tender or exchange
offer had not been made or had only been made in respect of the purchases that had been effected.
No adjustment to the Conversion Rate will be made if the application of the foregoing formulae
would result in a decrease in the Conversion Rate.

70

 

     (f) For purposes of this Section 15.04 the term “Record Date” shall mean, with respect to any
dividend, distribution or other transaction or event in which the holders of Common Stock have the
right to receive any cash, securities or other property or in which the Common Stock (or other
applicable security) is exchanged for or converted into any combination of cash, securities or
other property, the date fixed for determination of stockholders entitled to receive such cash,
securities or other property (whether such date is fixed by the Board of Directors or by statute,
contract or otherwise).

     (g) In addition to those required by clauses (a), (b), (c), (d), and (e) of this Section
15.04, and to the extent permitted by applicable law and subject to the applicable rules of the New
York Stock Exchange, the Company from time to time may increase the Conversion Rate by any amount
for a period of at least 20 days if the Board of Directors determines that such increase would be
in the Company’s best interest. In addition, the Company may also (but is not required to)
increase the Conversion Rate to avoid or diminish any income tax to holders of Common Stock or
rights to purchase Common Stock in connection with any dividend or distribution of shares (or
rights to acquire shares) or similar event. Whenever the Conversion Rate is increased pursuant to
the preceding sentence, the Company shall mail to the holder of each Note at his last address
appearing on the Note register provided for in Section 2.06 a notice of the increase at least
fifteen days prior to the date the increased Conversion Rate takes effect, and such notice shall
state the increased Conversion Rate and the period during which it will be in effect.

     (h) All calculations and other determinations under this Article XV shall be made by the
Company and shall be made to the nearest cent or to the nearest one-ten thousandth (1/10,000) of a
share, as the case may be. No adjustment shall be made for the Company’s issuance of Common Stock
or convertible or exchangeable securities or rights to purchase Common Stock or convertible or
exchangeable securities, other than as provided in this Section 15.04. No adjustment shall be made
to the Conversion Rate unless such adjustment would require a change of at least 1% in the
Conversion Rate then in effect at such time. The Company shall carry forward any adjustments that
are less than 1% of the Conversion rate and make such carried forward adjustments, regardless of
whether the aggregate adjustment is less than 1% within one year of the first such adjustment
carried forward, upon a Fundamental Change, upon any call of the notes for redemption or upon
maturity.

     (i) Whenever the Conversion Rate is adjusted as herein provided, the Company shall promptly
file with the Trustee and any Conversion Agent other than the Trustee an Officers’ Certificate
setting forth the Conversion Rate after such adjustment and setting forth a brief statement of the
facts requiring such adjustment. The Trustee and Conversion Agent may conclusively rely on the
accuracy of the Conversion Rate adjustment provided by the Company. Unless and until a Responsible
Officer of the Trustee shall have received such Officers’ Certificate, the Trustee shall not be
deemed to have knowledge of any adjustment of the Conversion Rate and may assume without inquiry
that the last Conversion Rate of which it has knowledge is still in effect. Promptly after
delivery of such certificate, the Company shall prepare a notice of such adjustment of the
Conversion Rate setting forth the adjusted Conversion Rate and the date on which each adjustment
becomes effective and shall mail such notice of such adjustment of the Conversion Rate to the
holder of each Note at his last address appearing on the Note register provided for in Section 2.06
of this Indenture, within twenty (20) days of the

71

 

effective date of such adjustment. Failure to deliver such notice shall not affect the
legality or validity of any such adjustment.

     (j) In any case in which this Section 15.04 provides that an adjustment shall become effective
immediately after (1) a record date or Record Date for an event, (2) the date fixed for the
determination of stockholders entitled to receive a dividend or distribution pursuant to Section
15.04(a), (3) a date fixed for the determination of stockholders entitled to receive rights or
warrants pursuant to Section 15.04(b), or (4) the last date on which tenders or exchanges may be
made pursuant to any tender or exchange offer pursuant to Section 15.04(e) (each an “Adjustment
Determination Date”), the Company may elect to defer until the occurrence of the applicable
Adjustment Event (as hereinafter defined) (x) issuing to the holder of any Note converted after
such Adjustment Determination Date and before the occurrence of such Adjustment Event, the
additional cash and, if applicable, shares of Common Stock or other securities issuable upon such
conversion by reason of the adjustment required by such Adjustment Event over and above the amounts
deliverable upon such conversion before giving effect to such adjustment and (y) paying to such
holder any amount in cash in lieu of any fraction pursuant to Section 15.04. For purposes of this
Section 15.04(j), the term “Adjustment Event” shall mean:

     (i) in any case referred to in clause (1) hereof, the occurrence of such event,

     (ii) in any case referred to in clause (2) hereof, the date any such dividend or
distribution is paid or made,

     (iii) in any case referred to in clause (3) hereof, the date of expiration of such
rights or warrants, and

     (iv) in any case referred to in clause (4) hereof, the date a sale or exchange of
Common Stock pursuant to such tender or exchange offer is consummated and becomes
irrevocable.

     (k) For purposes of this Section 15.04, the number of shares of Common Stock at any time
outstanding shall not include shares held in the treasury of the Company but shall include shares
issuable in respect of scrip certificates issued in lieu of fractions of shares of Common Stock.

     Section 15.05. Shares to Be Fully Paid. The Company shall provide, free from preemptive
rights, out of its authorized but unissued shares or shares held in treasury, sufficient shares of
Common Stock to provide for conversion of the Notes from time to time as such Notes are presented
for conversion.

     Section 15.06. Effect of Reclassification, Consolidation, Merger or Sale.

     If any of the following events occur, namely (i) any reclassification or change of the
outstanding shares of Common Stock (other than a change in par value, or from par value to no par
value, or from no par value to par value, or as a result of a split, subdivision or combination),
(ii) any consolidation, merger or combination of the Company with another Person, or (iii) any sale
or conveyance of all or substantially all of the property and assets of the Company to any

72

 

other Person, in either case as a result of which holders of Common Stock shall be entitled to
receive cash, securities or other property or assets with respect to or in exchange for such Common
Stock (any such event a “Merger Event”), then:

     (a) the Company or the successor or purchasing Person, as the case may be, shall execute with
the Trustee a supplemental indenture (which shall comply with the Trust Indenture Act as in force
at the date of execution of such supplemental indenture if such supplemental indenture is then
required to so comply) permitted under Section 11.01(a) providing for the conversion and settlement
of the Notes as set forth in this Indenture. Such supplemental indenture shall provide for
adjustments which shall be as nearly equivalent as may be practicable to the adjustments provided
for in this Article and the Trustee may conclusively rely on the determination by the Company of
the equivalency of such adjustments. If, in the case of any Merger Event, the Reference Property
includes shares of stock or other securities and assets of a corporation other than the successor
or purchasing corporation, as the case may be, in such reclassification, change, consolidation,
merger, combination, sale or conveyance, then such supplemental indenture shall also be executed by
such other corporation and shall contain such additional provisions to protect the interests of the
holders of the Notes as the Board of Directors shall reasonably consider necessary by reason of the
foregoing, including to the extent required by the Board of Directors and practicable the
provisions providing for the repurchase rights set forth in Article XVI herein.

     In the event the Company shall execute a supplemental indenture pursuant to this Section
15.06, the Company shall promptly file with the Trustee an Officers’ Certificate briefly stating
the reasons therefore, the kind or amount of cash, securities or property or asset that will
constitute the Reference Property after any such Merger Event, any adjustment to be made with
respect thereto and that all conditions precedent have been complied with, and shall promptly mail
notice thereof to all Noteholders.

     (b) Notwithstanding the provisions of Section 15.02(a) and Section 15.02(b), and subject to
the provisions of Section 15.01, at the effective time of such Merger Event, the right to convert
each $1,000 principal amount of Notes will be changed to a right to convert such Note by reference
to the kind and amount of cash, securities or other property or assets that a holder of a number of
shares of Common Stock equal to the Conversion Rate immediately prior to such transaction would
have owned or been entitled to receive (the “Reference Property”) such that from and after the
effective time of such transaction, a Noteholder will be entitled thereafter to convert its Notes
into cash (up to the aggregate principal amount thereof) and the same type (and in the same
proportion) of Reference Property, based on the Daily Settlement Amounts of Reference Property in
an amount equal to the applicable Conversion Rate, as described under Section 15.02(b). For
purposes of determining the constitution of Reference Property, the type and amount of
consideration that a holder of Common Stock would have been entitled to in the case of
reclassifications, consolidations, mergers, sales or conveyance of assets or other transactions
that cause the Common Stock to be converted into the right to receive more than a single type of
consideration (determined based in part upon any form of stockholder election) will be deemed to be
the weighted average of the types and amounts of consideration received by the holders of Common
Stock that affirmatively make such an election. The Company shall not become a party to any such
transaction unless its terms are consistent with the preceding. None

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of the foregoing provisions shall affect the right of a holder of Notes to convert its Notes
in accordance with the provisions of Article XV hereof prior to the effective date.

     (c) The Company shall cause notice of the execution of such supplemental indenture to be
mailed to each Noteholder, at his address appearing on the Note register provided for in this
Indenture, within twenty (20) days after execution thereof. Failure to deliver such notice shall
not affect the legality or validity of such supplemental indenture.

     (d) The above provisions of this Section shall similarly apply to successive Merger Events.

     Section 15.07. Certain Covenants.

     (a) Before taking any action which would cause an adjustment reducing the Conversion Rate
below the then par value, if any, of the shares of Common Stock issuable upon conversion of the
Notes, the Company will take all corporate action which may, in the opinion of its counsel, be
necessary in order that the Company may validly and legally issue shares of such Common Stock at
such adjusted Conversion Rate.

     The Company covenants that all shares of Common Stock issued upon conversion of Notes will be
fully paid and non-assessable by the Company and free from all taxes, liens and changes with
respect to the issue thereof.

     (b) The Company covenants that, if any shares of Common Stock to be provided for the purpose
of conversion of Notes hereunder require registration with or approval of any governmental
authority under any federal or state law before such shares may be validly issued upon conversion,
the Company will in good faith and as expeditiously as possible, to the extent then permitted by
the rules and interpretations of the Commission (or any successor thereto), endeavor to secure such
registration or approval, as the case may be.

     (c) The Company further covenants that if at any time the Common Stock shall be listed on any
other national securities exchange or automated quotation system the Company will, if permitted and
required by the rules of such exchange or automated quotation system, list and keep listed, so long
as the Common Stock shall be so listed on such exchange or automated quotation system, all Common
Stock issuable upon conversion of the Notes.

     Section 15.08. Responsibility of Trustee. The Trustee and any other Conversion Agent shall
not at any time be under any duty or responsibility to any Noteholder to determine the Conversion
Rate or whether any facts exist which may require any adjustment of the Conversion Rate, or with
respect to the nature or extent or calculation of any such adjustment when made, or with respect to
the method employed, or herein or in any supplemental indenture provided to be employed, in making
the same. The Trustee and any other Conversion Agent shall not be accountable with respect to the
validity or value (or the kind or amount) of any shares of Common Stock, or of any securities or
property, which may at any time be issued or delivered upon the conversion of any Note; and the
Trustee and any other Conversion Agent make no representations with respect thereto. Neither the
Trustee nor any Conversion Agent shall be responsible for any failure of the Company to issue,
transfer or deliver any shares of Common Stock or stock certificates or other securities or
property or cash upon the surrender of any Note

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for the purpose of conversion or to comply with any of the duties, responsibilities or
covenants of the Company contained in this Article.

     Without limiting the generality of the foregoing, neither the Trustee nor any Conversion Agent
shall be under any responsibility to determine the correctness of any provisions contained in any
supplemental indenture entered into pursuant to Section 15.06 relating either to the kind or amount
of shares of stock or securities or property (including cash) receivable by Noteholders upon the
conversion of their Notes after any event referred to in such Section 15.06 or to any adjustment to
be made with respect thereto, but, subject to the provisions of Section 8.01, may accept as
conclusive evidence of the correctness of any such provisions, and shall be protected in relying
upon, the Officers’ Certificate (which the Company shall be obligated to file with the Trustee
prior to the execution of any such supplemental indenture) with respect thereto.

     Section 15.09. Notice to Holders Prior to Certain Actions.

     In case:

     (a) the Company shall declare a dividend (or any other distribution) on its Common Stock that
would require an adjustment in the Conversion Rate pursuant to Section 15.04; or

     (b) the Company shall authorize the granting to all of the holders of its Common Stock of
rights or warrants to subscribe for or purchase any share of any class or any other rights or
warrants; or

     (c) of any reclassification of the Common Stock of the Company (other than a subdivision or
combination of its outstanding Common Stock, or a change in par value, or from par value to no par
value, or from no par value to par value), or of any consolidation or merger to which the Company
is a party and for which approval of any shareholders of the Company is required, or of the sale or
transfer of all or substantially all of the assets of the Company; or

     (d) of the voluntary or involuntary dissolution, liquidation or winding-up of the Company;

the Company shall cause to be filed with the Trustee and to be mailed to each Noteholder at his
address appearing on the Note register, provided for in Section 2.06 of this Indenture, as promptly
as possible but in any event at least twenty days prior to the applicable date specified in clause
(x) or (y) below, as the case may be, a notice stating (x) the date on which a record is to be
taken for the purpose of such dividend, distribution or rights or warrants, or, if a record is not
to be taken, the date as of which the holders of Common Stock of record to be entitled to such
dividend, distribution or rights are to be determined, or (y) the date on which such
reclassification, consolidation, merger, sale, transfer, dissolution, liquidation or winding-up is
expected to become effective or occur, and the date as of which it is expected that holders of
Common Stock of record shall be entitled to exchange their Common Stock for securities or other
property deliverable upon such reclassification, consolidation, merger, sale, transfer,
dissolution, liquidation or winding-up. Failure to give such notice, or any defect therein, shall
not affect the legality or validity of such dividend, distribution, reclassification,
consolidation, merger, sale, transfer, dissolution, liquidation or winding-up.

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     Section 15.10. Shareholder Rights Plans. Upon conversion of the Notes, the holders shall
receive, in addition to any shares of Common Stock issuable upon such conversion, the associated
rights issued under the Rights Plan or under any future shareholder rights plan the Company adopts
unless, prior to conversion, the rights have separated from the Common Stock, expired, terminated
or been redeemed or exchanged in accordance with the Rights Plan. If, and only if, the holders
receive rights under such shareholder rights plans as described in the preceding sentence upon
conversion of their Notes, then no other adjustment pursuant to this Article XV shall be made in
connection with such shareholder rights plans.

ARTICLE 16

REPURCHASE OF NOTES AT OPTION OF HOLDERS

     Section 16.01. Purchase of Securities at Option of the Holder on Specified Dates.

     (a) At the option of the holder thereof, Notes shall be purchased by the Company in accordance
with the provisions of the Notes on November 15, 2013, November 15, 2015 and November 15, 2020
(each, a “Put Right Purchase Date”) at a purchase price per Note equal to 100% of the aggregate
principal amount of the Notes being purchased, except purchases on November 15, 2013 for which the
purchase price is equal to 100.25% of the aggregate principal amount of the Note, together with any
accrued and unpaid interest, including Additional Interest, if any, up to but not including such
Put Right Purchase Date (each, a “Put Right Purchase Price”).

     Purchases of Notes by the Company pursuant to this Section 16.01 shall be made, at the option
of the holder thereof, upon:

     (i) delivery to the Trustee (or other Paying Agent appointed by the Company) by the
holder of a written notice of purchase (a “Put Right Purchase Notice”) in the form set forth
on the reverse of the Note at any time from the opening of business on the date that is 25
Business Days prior to the applicable Put Right Purchase Date until the close of business on
the fifth Business Day prior to such Put Right Purchase Date stating:

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

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

       (C) that the Notes are to be repurchased as of the applicable Put Right
Purchase Date pursuant to the terms and conditions specified in the Notes and in
this Indenture, and

     (ii) delivery of such Note to the Paying Agent prior to, on or after the Put Right
Purchase Date (together with all necessary endorsements) at the offices of the

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Paying Agent, such delivery being a condition to receipt by the holder of the Put Right
Purchase Price therefor, which shall be so paid pursuant to this Section 16.01 only if the
Note so delivered to the Paying Agent shall conform in all respects to the description
thereof in the related Put Right Purchase Notice, as determined by the Company.

     The Company shall purchase from the holder thereof, pursuant to this Section 16.01, a portion
of a Note if the principal amount of such portion is $1,000 or an integral multiple of $1,000.
Provisions of this Indenture that apply to the purchase of all of a Note also apply to the purchase
of such portion of such Note.

     Any purchase by the Company contemplated pursuant to the provisions of this Section 16.01
shall be consummated by the delivery of the consideration to be received by the holder promptly
following the later of the Put Right Purchase Date and the time of delivery of the Note.

     The Trustee (or other Paying Agent appointed by the Company) shall promptly notify the Company
of the receipt by it of any Put Right Purchase Notice or written notice of withdrawal thereof in
accordance with the provisions of Section 16.01(d).

     In connection with any purchase by the Company contemplated pursuant to the provisions of this
Section 16.01, the Company shall (a) comply with the provisions of Rule 13e-4, Rule 14e-1 and any
other tender offer rules under the Exchange Act; (b) file a Schedule TO or any successor or similar
schedule, if required, under the Exchange Act; and (c) otherwise comply with all federal and state
securities laws in connection with any offer by the Company to purchase the Notes.

     Any Note that is to be repurchased only in part shall be surrendered to the Trustee (with, if
the Company or the Trustee so requires, due endorsement by, or a written instrument of transfer in
form satisfactory to the Company and the Trustee duly executed by the holder thereof or his
attorney duly authorized in writing), and the Company shall execute, and the Trustee shall
authenticate and make available for delivery to the holder of such Note without service charge, a
new Note or Notes, containing identical terms and conditions, each in an authorized denomination in
aggregate principal amount equal to and in exchange for the unrepurchased portion of the principal
of the Note so surrendered.

     (b) In connection with any purchase of Notes pursuant to this Section 16.01, the Company shall
give written notice of the Put Right Purchase Date to the holders (the “Company Put Right Notice”).

     The Company Put Right Notice shall be sent by first-class mail to the Trustee and to each
holder (and to each beneficial owner as required by applicable law) not less than 25 Business Days
prior to any Put Right Purchase Date (the “Company Put Right Notice Date”). Each Company Put Right
Notice shall include a form of Put Right Purchase Notice to be completed by a Noteholder and shall
state:

	 	(i)	 	the Put Right Purchase Price and the Conversion Price;
	 
	 	(ii)	 	the name and address of the Paying Agent and the Conversion Agent;

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	 	(iii)	 	that Notes as to which a Put Right Purchase Notice has been given may be
converted only in accordance with Article XV hereof if the applicable Put Right Purchase
Notice has been withdrawn in accordance with the terms of this Indenture;
	 
	 	(iv)	 	that Notes must be surrendered to the Paying Agent to collect payment;
	 
	 	(v)	 	that the Put Right Purchase Price for any Note as to which a Put Right Purchase
Notice has been given and not withdrawn will be paid promptly following the later of the Put
Right Purchase Date and the time of surrender of such Note as described in subclause (iv)
above;
	 
	 	(vi)	 	the procedures the holder must follow to exercise rights under this Section and a
brief description of those rights;
	 
	 	(vii)	 	briefly, the conversion rights of the Notes;
	 
	 	(viii)	 	the procedures for withdrawing a Put Right Purchase Notice (including pursuant
to the terms of Section 16.01(d);
	 
	 	(ix)	 	that, unless the Company defaults in making payment on Notes for which a Put Right
Purchase Notice has been submitted, interest on the Notes in respect of which a Put Right
Purchase Notice has been delivered and not withdrawn will cease to accrue on the Put Right
Purchase Date; and
	 
	 	(x)	 	the CUSIP number of the Notes.

     If any of the Notes are to be redeemed in the form of a Global Note, the Company shall modify
such notice to the extent necessary to accord with the procedures of the Depositary applicable to
redemptions.

     At the Company’s request, the Trustee shall give such Company Put Right Notice in the
Company’s name and at the Company’s expense; provided, however, that, in all cases, the text of
such Company Put Right Notice shall be prepared by the Company.

     (c) Upon receipt by the Trustee (or other Paying Agent appointed by the Company) of the Put
Right Purchase Notice specified in Section 16.01(a), the holder of the Note in respect of which
such Put Right Purchase Notice was given shall (unless such Put Right Purchase Notice is withdrawn
as specified in Section 16.01(d)) thereafter be entitled to receive solely the Put Right Purchase
Price with respect to such Note. Such Put Right Purchase Price shall be paid to such holder,
subject to receipt of funds by the Paying Agent, promptly following the later of (x) the Put Right
Purchase Date with respect to such Note (provided the conditions in Section 16.01(a) have been
satisfied) and (y) the time of delivery of such Note to the Paying Agent by the holder thereof in
the manner required by Section 16.01(a). Notes in respect of which a Put Right Purchase Notice has
been given by the holder thereof may not be converted pursuant to Article XV hereof on or after the
date of the delivery of such Put Right Purchase Notice, unless such Put Right Purchase Notice has
first been validly withdrawn as specified in Section 16.01(d).

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     (d) A Put Right Purchase Notice may be withdrawn by means of a written notice of withdrawal
delivered to the office of the Paying Agent in accordance with the Put Right Purchase Notice at any
time prior to the close of business on the Business Day prior to the Put Right Purchase Date
specifying:

     (i) if certificated Notes have been issued, the certificate numbers of the withdrawn
Notes,

     (ii) the principal amount of the Notes with respect to which such notice of withdrawal
is being submitted, and

     (iii) the principal amount, if any, of such Notes that remains subject to the original
Put Right Purchase Notice, which portion must be in principal amounts of $1,000 or an
integral multiple of $1,000;

provided, however, that if the Notes are not in certificated form, the notice must comply with
appropriate procedures of the Depositary.

     A written notice of withdrawal of a Put Right Purchase Notice shall be in the form set forth
in the preceding paragraph.

     Upon receipt of a written notice of withdrawal, the Paying Agent shall promptly return to the
holders thereof any Notes in respect of which a Put Right Purchase Notice has been withdrawn in
accordance with the provisions of Section 16.01(e).

     (e) There shall be no purchase of any Notes pursuant to this Section 16.01 if there has
occurred (prior to, on or after, as the case may be, the giving, by the holders of such Notes, of
the required Put Right Purchase Notice) and is continuing an Event of Default with respect to Notes
of such series (other than a default in the payment of the Put Right Purchase Price with respect to
such Notes). The Paying Agent will promptly return to the respective holders thereof any Notes
held by it during the continuance of an Event of Default with respect to Notes of such series
(other than a default in the payment of the Put Right Purchase Price with respect to such Notes),
in which case, upon such return, the Put Right Purchase Notice with respect thereto shall be deemed
to have been withdrawn.

     (f) Prior to 11:00 a.m. (local time in The City of New York) on the Business Day following the
Put Right Purchase Date, the Company shall deposit with the Trustee (or other Paying Agent
appointed by the Company or if the Company is acting as its own Paying Agent, set aside, segregate
and hold in trust as provided in Section 5.04) an amount (in immediately available funds if
deposited on such Business Day) sufficient to pay the aggregate Put Right Purchase Price of all the
Notes or portions thereof which are to be purchased as of the Put Right Purchase Date. The manner
in which the deposit required by this Section 16.01(f) is made by the Company shall be at the
option of the Company; provided that such deposit shall be made in a manner such that the Trustee
or a Paying Agent shall have immediately available funds on the Business Day following the Put
Right Purchase Date.

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     If the Trustee (or other Paying Agent appointed by the Company) holds, in accordance with the
terms hereof, money sufficient to pay the Put Right Purchase Price of any Note, then, on the Put
Right Purchase Date, such Note will cease to be outstanding and the rights of the holder in respect
thereof shall terminate (other than the right to receive the Put Right Purchase Price as
aforesaid).

     To the extent that the aggregate amount of cash deposited by the Company pursuant to this
Section 16.01(f) exceeds the aggregate Put Right Purchase Price of the Notes or portions thereof
that the Company is obligated to purchase, then promptly after the Put Right Purchase Date the
Trustee or a Paying Agent, as the case may be, shall return any such excess cash to the Company.

     Section 16.02. Repurchase at Option of Holders Upon a Fundamental Change.

     (a) If a Fundamental Change occurs at any time, then each Noteholder shall have the right, at
such holder’s option, to require the Company to repurchase all of such holder’s Notes or any
portion thereof that is a multiple of $1,000 principal amount, for cash on the date (the
"Fundamental Change Repurchase Date”) specified by the Company that is not less than twenty (20)
Business Days and not more than thirty five (35) Business Days after the date of the Fundamental
Change Company Notice (as defined below) at a repurchase price equal to 100% of the principal
amount thereof, together with accrued and unpaid interest, including unpaid Additional Interest, if
any, thereon to, but excluding, the Fundamental Change Repurchase Date (the “Fundamental Change
Repurchase Price”).

     Repurchases of Notes under this Section 16.02 shall be made, at the option of the holder
thereof, upon:

     (i) delivery to the Trustee (or other Paying Agent appointed by the Company) by a
holder of a duly completed notice (the “Fundamental Change Repurchase Notice”) in the form
set forth on the reverse of the Note prior to the close of business on the Fundamental
Change Repurchase Date; and

     (ii) delivery or book-entry transfer of the Notes to the Trustee (or other Paying Agent
appointed by the Company) at any time after delivery of the Fundamental Change Repurchase
Notice (together with all necessary endorsements) at the Corporate Trust Office of the
Trustee (or other Paying Agent appointed by the Company) in the Borough of Manhattan, such
delivery being a condition to receipt by the holder of the Fundamental Change Repurchase
Price therefor; provided that such Fundamental Change Repurchase Price shall be so paid
pursuant to this Section 16.02 only if the Note so delivered to the Trustee (or other Paying
Agent appointed by the Company) shall conform in all respects to the description thereof in
the related Fundamental Change Repurchase Notice.

     The Fundamental Change Repurchase Notice shall state:

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

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

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

     Any purchase by the Company contemplated pursuant to the provisions of this Section 16.02
shall be consummated by the delivery of the consideration to be received by the holder promptly
following the later of the Fundamental Change Repurchase Date and the time of the book-entry
transfer or delivery of the Note.

     The Trustee (or other Paying Agent appointed by the Company) shall promptly notify the Company
of the receipt by it of any Fundamental Change Repurchase Notice or written notice of withdrawal
thereof in accordance with the provisions of Section 16.02(c).

     Any Note that is to be repurchased only in part shall be surrendered to the Trustee (with, if
the Company or the Trustee so requires, due endorsement by, or a written instrument of transfer in
form satisfactory to the Company and the Trustee duly executed by the holder thereof or his
attorney duly authorized in writing), and the Company shall execute, and the Trustee shall
authenticate and make available for delivery to the holder of such Note without service charge, a
new Note or Notes, containing identical terms and conditions, each in an authorized denomination in
aggregate principal amount equal to and in exchange for the unrepurchased portion of the principal
of the Note so surrendered.

     (b) On or before the twentieth day after the Effective Date of any Fundamental Change, the
Company shall provide to all holders of record of the Notes and the Trustee and Paying Agent a
notice (the “Fundamental Change Company Notice”) of the occurrence of such Fundamental Change and
of the repurchase right at the option of the holders arising as a result thereof. Such mailing
shall be by first class mail. Simultaneously with providing such Fundamental Change Company
Notice, the Company shall publish a notice containing the information included therein once in a
newspaper of general circulation in The City of New York or publish such information on the
Company’s website or through such other public medium as the Company may use at such time.

     Each Fundamental Change Company Notice shall specify:

(i) the events causing the Fundamental Change;

(ii) the date of the Fundamental Change;

(iii) the Fundamental Change Repurchase Date and the last date on which a holder may
exercise the repurchase right;

(iv) the Fundamental Change Repurchase Price;

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

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     (vi) the applicable Conversion Rate and any adjustments to the applicable Conversion
Rate;

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

     (viii) that the holder must exercise the repurchase right on or prior to the close of
business on the Fundamental Change Repurchase Date (the “Fundamental Change Expiration
Time”);

     (ix) that the holder shall have the right to withdraw any Notes surrendered prior to
the Fundamental Change Expiration Time; and

     (x) the procedures that holders must follow to require the Company to repurchase their
Notes.

     No failure of the Company to give the foregoing notices and no defect therein shall limit the
Noteholders’ repurchase rights or affect the validity of the proceedings for the repurchase of the
Notes pursuant to this Section 16.02.

     (c) A Fundamental Change Repurchase Notice may be withdrawn by means of a written notice of
withdrawal delivered to the Paying Agent in accordance with the Fundamental Change Company Notice
at any time prior to the close of business on the Business Day prior to the Fundamental Change
Repurchase Date, specifying:

     (i) if certificated Notes have been issued, the certificate numbers of the withdrawn
Notes,

     (ii) the principal amount of the Note with respect to which such notice of withdrawal
is being submitted, and

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

provided, however, that if the Notes are not in certificated form, the notice must comply with
appropriate procedures of the Depositary.

     (d) On or prior to 11:00 a.m. (local time in The City of New York) on the second Business Day
following the Fundamental Change Repurchase Date, the Company will deposit with the Trustee (or
other Paying Agent appointed by the Company or if the Company is acting as its own Paying Agent,
set aside, segregate and hold in trust as provided in Section 5.04) an amount of money sufficient
to repurchase on the Fundamental Change Repurchase Date all of the Notes to be repurchased on such
date at the Fundamental Change Repurchase Price. Subject to receipt of funds and/or Notes by the
Trustee (or other Paying Agent appointed by the Company), payment for Notes surrendered for
repurchase (and not withdrawn) prior to the Fundamental Change Expiration Time will be made
promptly after the later of (x) the

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Fundamental Change Repurchase Date with respect to such Note (provided the holder has
satisfied the conditions to the payment of the Fundamental Change Repurchase Price in Section
16.02), and (y) the time of book-entry transfer or the delivery of such Note to the Trustee (or
other Paying Agent appointed by the Company) by the holder thereof in the manner required by
Section 16.02 by mailing checks for the amount payable to the holders of such Notes entitled
thereto as they shall appear in the Note register, provided, however, that payments to the
Depositary shall be made by wire transfer of immediately available funds to the account of the
Depositary or its nominee. The Trustee shall, promptly after such payment and upon written demand
by the Company, return to the Company any funds in excess of the Fundamental Change Repurchase
Price.

     (e) If the Trustee (or other Paying Agent appointed by the Company) holds money or securities
sufficient to repurchase on the Fundamental Change Repurchase Date all the Notes or portions
thereof that are to be purchased as of the second Business Day following the Fundamental Change
Repurchase Date, then on and after the Fundamental Change Repurchase Date (i) such Notes will cease
to be outstanding, (ii) interest, including Additional Interest, if any, will cease to accrue on
such Notes, and (iii) all other rights of the holders of such Notes will terminate, whether or not
book-entry transfer of the Notes has been made or the Notes have been delivered to the Trustee or
Paying Agent, other than the right to receive the Fundamental Change Repurchase Price upon delivery
of the Notes.

ARTICLE 17

MISCELLANEOUS PROVISIONS

     Section 17.01. Provisions Binding on Company’s Successors. All the covenants, stipulations,
promises and agreements of the Company contained in this Indenture shall bind its successors and
assigns whether so expressed or not.

     Section 17.02. Official Acts by Successor Corporation. Any act or proceeding by any provision
of this Indenture authorized or required to be done or performed by any board, committee or officer
of the Company shall and may be done and performed with like force and effect by the like board,
committee or officer of any corporation that shall at the time be the lawful sole successor of the
Company.

     Section 17.03. Addresses for Notices, Etc. Any notice or demand which by any provision of
this Indenture is required or permitted to be given or served by the Trustee or by the Noteholders
on the Company shall be deemed to have been sufficiently given or made, for all purposes if given
or served by being deposited postage prepaid by registered or certified mail in a post office
letter box addressed (until another address is filed by the Company with the Trustee) to Maverick
Tube Corporation, 16401 Swingley Ridge Road, Chesterfield, Missouri 63017, Attention: General
Counsel. Any notice, direction, request or demand hereunder to or upon the Trustee shall be deemed
to have been sufficiently given or made, for all purposes, if given or served by being deposited
postage prepaid by registered or certified mail in a post office letter box addressed to the
Corporate Trust Office.

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

     Any notice or communication mailed to a Noteholder shall be mailed to him by first class mail,
postage prepaid, at his address as it appears on the Note register and shall be sufficiently given
to him if so mailed within the time prescribed.

     Failure to mail a notice or communication to a Noteholder or any defect in it shall not affect
its sufficiency with respect to other Noteholders. If a notice or communication is mailed in the
manner provided above, it is duly given, whether or not the addressee receives it.

     Section 17.04. Governing Law. THIS INDENTURE AND EACH NOTE SHALL BE DEEMED TO BE A CONTRACT
MADE UNDER THE LAWS OF THE STATE OF NEW YORK, AND FOR ALL PURPOSES SHALL BE CONSTRUED IN ACCORDANCE
WITH THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO CONTRACTS ENTERED INTO AND TO BE PERFORMED
THEREIN.

     Section 17.05. Evidence of Compliance with Conditions Precedent; Certificates and Opinions of
Counsel to Trustee. Upon any application or demand by the Company to the Trustee to take any
action under any of the provisions of this Indenture, the Company shall furnish to the Trustee an
Officers’ Certificate stating that all conditions precedent, if any, provided for in this Indenture
relating to the proposed action have been complied with, and an Opinion of Counsel stating that, in
the opinion of such counsel, all such conditions precedent have been complied with.

     Each certificate or opinion provided for by or on behalf of the Company in this Indenture and
delivered to the Trustee with respect to compliance with a condition or covenant provided for in
this Indenture shall include (1) a statement that the person making such certificate or opinion has
read such covenant or condition; (2) a brief statement as to the nature and scope of the
examination or investigation upon which the statement or opinion contained in such certificate or
opinion is based; (3) a statement that, in the opinion of such person, he has made such examination
or investigation as is necessary to enable him to express an informed opinion as to whether or not
such covenant or condition has been complied with; and (4) a statement as to whether or not, in the
opinion of such person, such condition or covenant has been complied with.

     Section 17.06. Legal Holidays. In any case where any Interest Payment Date, Redemption Date,
Fundamental Change Purchase Date, Put Right Purchase Date, Conversion Date or Maturity Date will
not be a Business Day, then any action to be taken on such date need not be taken on such date, but
may be taken on the next succeeding Business Day with the same force and effect as if taken on such
date, and no interest shall accrue for the period from and after such date to the next succeeding
Business Day.

     Section 17.07. No Security Interest Created. Nothing in this Indenture or in the Notes,
expressed or implied, shall be construed to constitute a security interest under the Uniform
Commercial Code or similar legislation, as now or hereafter enacted and in effect, in any
jurisdiction.

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     Section 17.08. Trust Indenture Act. This Indenture is hereby made subject to, and shall be
governed by, the provisions of the Trust Indenture Act required to be part of and to govern
indentures qualified under the Trust Indenture Act; provided, however, that, unless otherwise
required by law, notwithstanding the foregoing, this Indenture and the Notes issued hereunder shall
not be subject to the provisions of subsections (a)(1), (a)(2), and (a)(3) of Section 314 of the
Trust Indenture Act as now in effect as hereafter amended or modified; provided further that this
Section 17.08 shall not require that this Indenture or the Trustee be qualified under the Trust
Indenture Act prior to the time such qualification is in fact required under the terms of the Trust
Indenture Act, nor shall it constitute any admission or acknowledgment by any party hereto that any
such qualification is required prior to the time such qualification is in fact required under the
terms of the Trust Indenture Act. If any provision hereof limits, qualifies or conflicts with
another provision hereof which is required to be included in an indenture qualified under the Trust
Indenture Act, such required provision shall control.

     Section 17.09. Benefits of Indenture. Nothing in this Indenture or in the Notes, expressed or
implied, shall give to any person, other than the parties hereto, any Paying Agent, any
authenticating agent, any Note Registrar and their successors hereunder, the Noteholders, any
benefit or any legal or equitable right, remedy or claim under this Indenture.

     Section 17.10. Table of Contents, Headings, Etc. The table of contents and the titles 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.

     Section 17.11. Authenticating Agent. The Trustee may appoint an authenticating agent which
shall be authorized to act on its behalf and subject to its direction in the authentication and
delivery of Notes in connection with the original issuance thereof and transfers and exchanges of
Notes hereunder, including under Section 2.05, Section 2.06, Section 2.07 and Section 2.08, as
fully to all intents and purposes as though the authenticating agent had been expressly authorized
by this Indenture and those Sections to authenticate and deliver Notes. For all purposes of this
Indenture, the authentication and delivery of Notes by the authenticating agent shall be deemed to
be authentication and delivery of such Notes “by the Trustee” and a certificate of authentication
executed on behalf of the Trustee by an authenticating agent shall be deemed to satisfy any
requirement hereunder or in the Notes for the Trustee’s certificate of authentication. Such
authenticating agent shall at all times be a person eligible to serve as trustee hereunder pursuant
to Section 8.09.

     Any corporation into which any authenticating agent may be merged or converted or with which
it may be consolidated, or any corporation resulting from any merger, consolidation or conversion
to which any authenticating agent shall be a party, or any corporation succeeding to the corporate
trust business of any authenticating agent, shall be the successor of the authenticating agent
hereunder, if such successor corporation is otherwise eligible under this Section, without the
execution or filing of any paper or any further act on the part of the parties hereto or the
authenticating agent or such successor corporation.

     Any authenticating agent may at any time resign by giving written notice of resignation to the
Trustee and to the Company. The Trustee may at any time terminate the agency of any

85

 

authenticating agent by giving written notice of termination to such authenticating agent and
to the Company. Upon receiving such a notice of resignation or upon such a termination, or in case
at any time any authenticating agent shall cease to be eligible under this Section, the Trustee
shall promptly appoint a successor authenticating agent (which may be the Trustee), shall give
written notice of such appointment to the Company and shall mail notice of such appointment to all
Noteholders as the names and addresses of such holders appear on the Note register.

     The Company agrees to pay to the authenticating agent from time to time reasonable
compensation for its services although the Company may terminate the authenticating agent, if it
determines such agent’s fees to be unreasonable.

     The provisions of Section 8.02, Section 8.03, Section 8.04, Section 9.03 and this Section
17.11 shall be applicable to any authenticating agent.

     Section 17.12. Execution in Counterparts. This Indenture may be executed in any number of
counterparts, each of which shall be an original, but such counterparts shall together constitute
but one and the same instrument.

86

 

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

	 	 	 	 	 
	 	MAVERICK TUBE CORPORATION

 	 
	 	By:  	

 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 
	 

	 	 	 	 	 
	 	THE BANK OF NEW YORK TRUST 

COMPANY, N.A. 

as Trustee

 	 
	 	By:  	 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 

87

 

	 	 	 	 	 

SCHEDULE A

Stock Price

 

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Effective	 	33.54	 	 	35.00	 	 	36.00	 	 	37.00	 	 	38.00	 	 	39.00	 	 	40.00	 	 	50.00	 	 	60.00	 	 	70.00	 	 	80.00	 	 	100.00	 	 	120.00	 	 	140.00	 	 	160.00	 
	Date	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	11/15/2005
	 	 	5.1745	 	 	 	4.7735	 	 	 	4.5248	 	 	 	4.2953	 	 	 	4.0829	 	 	 	3.8866	 	 	 	3.7043	 	 	 	2.4337	 	 	 	1.7377	 	 	 	1.3124	 	 	 	1.0307	 	 	 	0.6846	 	 	 	0.4820	 	 	 	0.3500	 	 	 	0.2583	 
	11/15/2006
	 	 	5.1371	 	 	 	4.7148	 	 	 	4.4547	 	 	 	4.2154	 	 	 	3.9947	 	 	 	3.7911	 	 	 	3.6028	 	 	 	2.3096	 	 	 	1.6223	 	 	 	1.2129	 	 	 	0.9471	 	 	 	0.6264	 	 	 	0.4408	 	 	 	0.3203	 	 	 	0.2364	 
	11/15/2007
	 	 	5.1114	 	 	 	4.6631	 	 	 	4.3880	 	 	 	4.1358	 	 	 	3.9039	 	 	 	3.6908	 	 	 	3.4944	 	 	 	2.1700	 	 	 	1.4918	 	 	 	1.1012	 	 	 	0.8540	 	 	 	0.5626	 	 	 	0.3964	 	 	 	0.2886	 	 	 	0.2133	 
	11/15/2008
	 	 	5.0775	 	 	 	4.5969	 	 	 	4.3033	 	 	 	4.0352	 	 	 	3.7896	 	 	 	3.5649	 	 	 	3.3587	 	 	 	1.9987	 	 	 	1.3352	 	 	 	0.9695	 	 	 	0.7460	 	 	 	0.4901	 	 	 	0.3464	 	 	 	0.2531	 	 	 	0.1875	 
	11/15/2009
	 	 	5.0434	 	 	 	4.5204	 	 	 	4.2026	 	 	 	3.9137	 	 	 	3.6503	 	 	 	3.4106	 	 	 	3.1917	 	 	 	1.7893	 	 	 	1.1481	 	 	 	0.8157	 	 	 	0.6223	 	 	 	0.4091	 	 	 	0.2911	 	 	 	0.2140	 	 	 	0.1592	 
	11/15/2010
	 	 	5.0012	 	 	 	4.4209	 	 	 	4.0704	 	 	 	3.7537	 	 	 	3.4668	 	 	 	3.2073	 	 	 	2.9721	 	 	 	1.5228	 	 	 	0.9202	 	 	 	0.6355	 	 	 	0.4812	 	 	 	0.3191	 	 	 	0.2299	 	 	 	0.1705	 	 	 	0.1276	 
	11/15/2011
	 	 	4.9348	 	 	 	4.2714	 	 	 	3.8742	 	 	 	3.5179	 	 	 	3.1979	 	 	 	2.9114	 	 	 	2.6543	 	 	 	1.1651	 	 	 	0.6383	 	 	 	0.4269	 	 	 	0.3244	 	 	 	0.2210	 	 	 	0.1622	 	 	 	0.1216	 	 	 	0.0915	 
	11/15/2012
	 	 	4.8358	 	 	 	4.0272	 	 	 	3.5487	 	 	 	3.1244	 	 	 	2.7492	 	 	 	2.4190	 	 	 	2.1288	 	 	 	0.6528	 	 	 	0.2997	 	 	 	0.2032	 	 	 	0.1618	 	 	 	0.1158	 	 	 	0.0863	 	 	 	0.0653	 	 	 	0.0496	 
	11/15/2013
	 	 	5.1745	 	 	 	3.9308	 	 	 	3.1372	 	 	 	2.3864	 	 	 	1.6752	 	 	 	1.0004	 	 	 	0.3594	 	 	 	0.000	 	 	 	0.000	 	 	 	0.000	 	 	 	0.000	 	 	 	0.000	 	 	 	0.000	 	 	 	0.000	 	 	 	0.000	 

88

 

EXHIBIT A

[FORM OF FACE OF NOTE]

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

THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED
(THE “SECURITIES ACT”), AND ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT AS SET FORTH IN THE
FOLLOWING SENTENCE. BY ITS ACQUISITION HEREOF, THE HOLDER AGREES (1) THAT IT WILL NOT WITHIN THE
LATER OF (X) TWO YEARS AFTER THE LATEST ORIGINAL ISSUE DATE OF THIS SECURITY AND (Y) THREE MONTHS
AFTER IT CEASES TO BE AN AFFILIATE (WITHIN THE MEANING OF RULE 144 ADOPTED UNDER THE SECURITIES
ACT) OF THE ISSUER, RESELL OR OTHERWISE TRANSFER THE SECURITY EVIDENCED HEREBY OR THE COMMON STOCK
ISSUABLE UPON CONVERSION OF SUCH SECURITY, EXCEPT (A) TO THE ISSUER; (B) UNDER A REGISTRATION
STATEMENT THAT HAS BEEN DECLARED EFFECTIVE UNDER THE SECURITIES ACT; (C) TO A PERSON THE SELLER
REASONABLY BELIEVES IS A QUALIFIED INSTITUTIONAL BUYER (AS DEFINED IN RULE 144A ADOPTED UNDER THE
SECURITIES ACT) THAT IS PURCHASING FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF ANOTHER QUALIFIED
INSTITUTIONAL BUYER AND TO WHOM NOTICE IS GIVEN THAT THE TRANSFER IS BEING MADE IN RELIANCE ON RULE
144A, ALL IN COMPLIANCE WITH RULE 144A (IF AVAILABLE); OR (D) UNDER ANY OTHER AVAILABLE EXEMPTION
FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT; AND (2) THAT IT WILL, PRIOR TO ANY
TRANSFER OF THIS SECURITY WITHIN THE LATER OF (X) TWO YEARS AFTER THE LATEST ISSUE DATE OF THIS
SECURITY AND (Y) THREE MONTHS AFTER IT CEASES TO BE AN AFFILIATE (WITHIN THE MEANING OF RULE 144
ADOPTED UNDER THE SECURITIES ACT) OF THE ISSUER, FURNISH TO THE TRUSTEE AND THE ISSUER SUCH
CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS MAY BE REQUIRED PURSUANT TO THE INDENTURE TO
CONFIRM THAT SUCH TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT
SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT.

A-1

 

MAVERICK TUBE CORPORATION

1.875% Convertible Senior Subordinated Notes due 2025

			
	No.                    

CUSIP No.                    
	 	$                    

     Maverick Tube Corporation, a corporation duly organized and validly existing under the laws of
the State of Delaware (herein called the “Company,” which term includes any successor corporation
under the Indenture referred to on the reverse hereof), for value received hereby promises to pay
to [CEDE & CO.], or registered assigns, the principal sum of [ ] Dollars or such other
principal amount as shall be set forth on the Schedule I hereto on November 15, 2025, and
Additional Interest in the manner, at the rates and to the persons set forth in the Registration
Rights Agreement.

     This Note shall bear interest at the rate of 1.875% per year from November 15, 2005, or from
the most recent date to which interest had been paid or provided. Interest is payable
semi-annually in arrears on each May 15 and November 15, commencing May 15, 2006, to holders of
record at the close of business on the preceding May 1 and November 1, respectively. Interest
payable on each Interest Payment Date shall equal the amount of interest accrued from and including
the immediately preceding Interest Payment Date (or from and including November 15, 2005 if no
interest has been paid hereon) to but excluding such Interest Payment Date.

     The payment of the principal of and interest, including any Additional Interest, on each and
all of the Notes and any other payment in respect of the Notes, including the payment of any
Principal Return in cash upon conversion or any payment on account of the acquisition or redemption
of Notes by the Company (a) is subordinated, to the extent and in the manner provided in Article IV
of the Indenture, to the prior payment in full of all Senior Indebtedness, whether outstanding at
the date of the Indenture or thereafter created, incurred, assumed or guaranteed and (b) shall rank
pari passu with respect to the payment right under the 2033 Notes. The subordination provisions of
the Indenture are for the benefit of the holders of Senior Indebtedness.

     Payment of the principal of and interest, including any Additional Interest, accrued on this
Note shall be made at the office or agency of the Company maintained for that purpose in the
Borough of Manhattan, The City of New York, or, at the option of the holder of this Note, at the
Corporate Trust Office, in such lawful money of the United States of America as at the time of
payment shall be legal tender for the payment of public and private debts; provided, however,
interest, including Additional Interest, if any, may be paid by check mailed to such holder’s
address as it appears in the Note register; provided further, however, that, with respect to any
Noteholder with an aggregate principal amount in excess of $1,000,000, at the application of such
holder in writing to the Company, interest, including Additional Interest, if any, on such holder’s
Notes shall be paid by wire transfer in immediately available funds to such holder’s account in the
United States supplied by such holder from time to time to the Trustee and Paying Agent (if
different from the Trustee) not later than the applicable record date; provided that any payment to
the Depositary or its nominee shall be paid by wire transfer in immediately available

A-2

 

funds in accordance with the wire transfer instruction supplied by the Depositary or its
nominee from time to time to the Trustee and Paying Agent (if different from Trustee).

     Reference is made to the further provisions of this Note set forth on the reverse hereof,
including, without limitation, provisions giving the holder of this Note the right to convert this
Note into Common Stock or cash and Common Stock, if any, of the Company on the terms and subject to
the limitations referred to on the reverse hereof and as more fully specified in the Indenture.
Such further provisions shall for all purposes have the same effect as though fully set forth at
this place.

     This Note shall be deemed to be a contract made under the laws of the State of New York, and
for all purposes shall be construed in accordance with the laws of the State of New York applicable
to contracts entered into and to be performed therein.

     This Note shall not be valid or become obligatory for any purpose until the certificate of
authentication hereon shall have been manually signed by the Trustee or a duly authorized
authenticating agent under the Indenture.

[Remainder of page intentionally left blank]

A-3

 

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

	 	 	MAVERICK TUBE CORPORATION
	 
	 	 	By: ____________________________
	 	 	     Name:
	 	 	     Title:

A-4

 

TRUSTEE’S CERTIFICATE OF AUTHENTICATION

THE BANK OF NEW YORK TRUST COMPANY, N.A.,

as Trustee, certifies that this is one of the Notes described

     in the within-named Indenture.

By: _____________________________ 

     Name:

     Authorized Officer

A-5

 

[FORM OF REVERSE OF NOTE]

MAVERICK TUBE CORPORATION

1.875% Convertible Senior Subordinated Notes due 2025

     This Note is one of a duly authorized issue of Notes of the Company, designated as its 1.875%
Convertible Senior Subordinated Notes due 2025 (herein called the “Notes”), issued under and
pursuant to an Indenture dated as of November 15, 2005 (herein called the “Indenture”), between the
Company and The Bank of New York Trust Company, N.A. (herein called the “Trustee”), to which
Indenture and all indentures supplemental thereto reference is hereby made for a description of the
rights, limitations of rights, obligations, duties and immunities thereunder of the Trustee, the
Company and the holders of the Notes. Additional Notes may be issued in an unlimited aggregate
principal amount, subject to certain conditions specified in the Indenture.

     In case an Event of Default, as defined in the Indenture, shall have occurred and be
continuing, the principal of, premium, if any, and interest, including Additional Interest, if any,
on all Notes may be declared, and upon said declaration shall become, due and payable, in the
manner, with the effect and subject to the conditions provided in the Indenture.

     Subject to the terms and conditions of the Indenture, the Notes may be redeemed at the
election of the Company, in whole or in part, on November 15, 2013 at a price equal to 100.25% of
the principal amount of the Notes being redeemed, plus accrued and unpaid interest and Additional
Interest, if any. After November 15, 2013, the Company shall have the right to redeem the Notes,
in whole or from time to time in part, at a price equal to 100% of the principal amount of the
Notes being redeemed, plus accrued and unpaid interest and Additional Interest, if any. Any such
redemption shall be upon at least 30 days and no more than 60 days notice to holders of the Notes.

     Subject to the terms and conditions of the Indenture, the Company will make all payments and
deliveries in respect of the Fundamental Change Repurchase Price, the Put Right Purchase Price and
the principal amount on the Maturity Date, as the case may be, to the holder who surrenders a Note
to a Paying Agent to collect such payments in respect of the Note. The Company will pay cash
amounts in money of the United States that at the time of payment is legal tender for payment of
public and private debts.

     The Indenture contains provisions permitting the Company and the Trustee in certain
circumstances, without the consent of the holders of the Notes, and in other circumstances, with
the consent of the holders of not less than a majority in aggregate principal amount of the Notes
at the time outstanding, evidenced as in the Indenture provided, to execute supplemental indentures
adding any provisions to or changing in any manner or eliminating any of the provisions of the
Indenture or of any supplemental indenture or modifying in any manner the rights of the holders of
the Notes; provided, however, that no such supplemental indenture shall make any of the changes set
forth in Section 11.02 of the Indenture, without the consent of each holder of an outstanding Note
affected thereby. It is also provided in the Indenture that, prior to any declaration accelerating
the maturity of the Notes, the holders of a majority in aggregate principal amount of the Notes at
the time outstanding may on behalf of the holders of all of the

A-6

 

Notes waive any past default or Event of Default under the Indenture and its consequences
except as provided in the Indenture. Any such consent or waiver by the holder of this Note (unless
revoked as provided in the Indenture) shall be conclusive and binding upon such holder and upon all
future holders and owners of this Note and any Notes which may be issued in exchange or
substitution hereof, irrespective of whether or not any notation thereof is made upon this Note or
such other Notes.

     No reference herein to the Indenture and no provision of this Note or of the Indenture shall
alter or impair the obligation of the Company, which is absolute and unconditional, to pay the
principal of, premium, if any, and accrued and unpaid interest, including Additional Interest, if
any, on this Note at the place, at the respective times, at the rate and in the lawful money herein
prescribed.

     The Notes are issuable in registered form without coupons in denominations of $1,000 principal
amount and integral multiples thereof. At the office or agency of the Company referred to on the
face hereof, and in the manner and subject to the limitations provided in the Indenture, without
payment of any service charge but with payment of a sum sufficient to cover any tax or other
governmental charge that may be imposed in connection with any registration or exchange of Notes,
Notes may be exchanged for a like aggregate principal amount of Notes of other authorized
denominations.

     The Notes are not subject to redemption through the operation of any sinking fund.

     Upon the occurrence of a Fundamental Change, the holder has the right, at such holder’s
option, to require the Company to repurchase all of such holder’s Notes or any portion thereof (in
principal amounts of $1,000 or integral multiples thereof) on the Fundamental Change Purchase Date
at a price equal to 100% of the principal amount of the Notes such holder elects to require the
Company to repurchase, together with accrued and unpaid interest, including accrued and unpaid
Additional Interest, if any, to but excluding the Fundamental Change Purchase Date. The Company
or, at the written request of the Company, the Trustee shall mail to all holders of record of the
Notes a notice of the occurrence of a Fundamental Change and of the repurchase right arising as a
result thereof on or before the twentieth day after the occurrence of any Fundamental Change.

     On November 15, 2013, November 15, 2015 and November 15, 2020, the holder has the right, at
such holder’s option, to require the Company to repurchase all of such holder’s Notes or any
portion thereof (in principal amounts of $1,000 or integral multiples thereof) at a price equal to
100% of the principal amount of the Notes such holder elects to require the Company to repurchase,
together with accrued and unpaid interest, including accrued and unpaid Additional Interest, if
any, to but excluding the Put Right Purchase Date, except purchases on November 15, 2013 will be
made at a price equal to 100.25% of the principal amount of the Notes, together with any accrued
and unpaid interest. Holders shall submit their Notes for repurchase to the Paying Agent at any
time from the opening of business on the date that is 25 Business Days prior to the applicable Put
Right Purchase Date until the close of business on the fifth Business Day prior to the Put Right
Purchase Date.

A-7

 

     Subject to the provisions of the Indenture, the holder hereof has the right, at its option, on
and after August 15, 2013, or earlier upon the occurrence of certain conditions specified in the
Indenture and prior to the close of business on the Trading Day immediately preceding the Maturity
Date, to convert any Notes or portion thereof which is $1,000 or an integral multiple thereof, into
cash and, if applicable, shares of Common Stock, in each case at the Conversion Rate specified in
the Indenture, as adjusted from time to time as provided in the Indenture, upon surrender of this
Note, together with a Notice of Conversion, a form of which is attached to the Note, as provided in
the Indenture and this Note, to the Company at the office or agency of the Company maintained for
that purpose in the Borough of Manhattan, The City of New York, or at the option of such holder,
the Corporate Trust Office, and, unless the shares issuable on conversion are to be issued in the
same name as this Note, duly endorsed by, or accompanied by instruments of transfer in form
satisfactory to the Company duly executed by, the holder or by his duly authorized attorney. The
initial Conversion Rate shall be 24.6406 shares for each $1,000 principal amount of Notes. No
fractional shares of Common Stock will be issued upon any conversion, but an adjustment in cash
will be paid to the holder, as provided in the Indenture, in respect of any fraction of a share
which would otherwise be issuable upon the surrender of any Note or Notes for conversion. No
adjustment shall be made for dividends or any shares issued upon conversion of such Note except as
provided in the Indenture.

     Upon due presentment for registration of transfer of this Note at the office or agency of the
Company in the Borough of Manhattan, The City of New York, a new Note or Notes of authorized
denominations for an equal aggregate principal amount will be issued to the transferee in exchange
thereof, subject to the limitations provided in the Indenture, without charge except for any tax,
assessments or other governmental charge imposed in connection therewith.

     The Company, the Trustee, any authenticating agent, any Paying Agent, any Conversion Agent and
any Note Registrar may deem and treat the registered holder hereof as the absolute owner of this
Note (whether or not this Note shall be overdue and notwithstanding any notation of ownership or
other writing hereon), for the purpose of receiving payment hereof, or on account hereof, for the
conversion hereof and for all other purposes, and neither the Company nor the Trustee nor any other
authenticating agent nor any Paying Agent nor any other Conversion Agent nor any Note Registrar
shall be affected by any notice to the contrary. All payments made to or upon the order of such
registered holder shall, to the extent of the sum or sums paid, satisfy and discharge liability for
monies payable on this Note.

     No recourse for the payment of the principal of, or any premium, or accrued and unpaid
interest, including Additional Interest, if any, on, this Note, or for any claim based hereon or
otherwise in respect hereof, and no recourse under or upon any obligation, covenant or agreement of
the Company in the Indenture or any indenture supplemental thereto or in any Note, or because of
the creation of any indebtedness represented thereby, shall be had against any incorporator,
stockholder, employee, agent, officer, director or subsidiary, as such, past, present or future, of
the Company or of any successor corporation, either directly or through the Company or any
successor corporation, whether by virtue of any constitution, statute or rule of law or by the
enforcement of any assessment or penalty or otherwise, all such liability being, by the acceptance
hereof and as part of the consideration for the issue hereof, expressly waived and released.

A-8

 

     Terms used in this Note and defined in the Indenture are used herein as therein defined.

     Customary abbreviations may be used in the name of a Holder or an assignee, such as TEN COM
(=tenants in common), TENANT (=tenants by the entireties), JT TEN (=joint tenants with right of
survivorship and not as tenants in common), CUST (=custodian), and U/G/M/A (=Uniform gift to Minors
Act).

A-9

 

[FORM OF CONVERSION NOTICE]

To: MAVERICK TUBE CORPORATION

     The undersigned registered owner of this Note hereby exercises the option to convert this
Note, or the portion hereof (which is $1,000 principal amount or an integral multiple thereof)
below designated, into cash and shares of Common Stock, if any, in accordance with the terms of the
Indenture referred to in this Note, and directs that the shares issuable and deliverable upon such
conversion, if any, together with any check in payment of the cash in respect of the remaining
Conversion Obligation (as defined in the Indenture) and for fractional shares and any Notes
representing any unconverted principal amount hereof, be issued and delivered to the registered
holder hereof unless a different name has been indicated below. If shares or any portion of this
Note not converted are to be issued in the name of a person other than the undersigned, the
undersigned will pay all transfer taxes payable with respect thereto. Any amount required to be
paid to the undersigned on account of interest accompanies this Note.

Dated: _____________

___________________________

Signature(s)

_____________________

Signature
Guarantee
Signature(s) must be guaranteed by an eligible Guarantor
Institution (banks, stock brokers, savings and loan
associations
and credit unions) with membership in an
approved signature guarantee medallion program pursuant
to Rule 17Ad-15 under the Securities Exchange Act of 1934,
as
amended, if shares of Common Stock are to be issued, or
Notes to be delivered, other than to and in the name of the
registered holder.

A-10

 

Fill in
for registration of shares if
to be issued, and Notes if to
be delivered, other than to and in the
name of the registered holder:

__________________________

(Name)

_____________________

(Street Address)

_____________________

(City, State and Zip Code)

Please print name and address

	 	 	 
	 	 	Principal amount to be converted	 
	 	 	(if
less than all): $_____ ,000
	 	 	
 
	 
	 	 	Social Security or Other
Taxpayer
Identification Number

A-11

 

[FORM OF PUT RIGHT PURCHASE NOTICE]

To: Maverick Tube Corporation

     The undersigned hereby requests and instructs the Company to repay the entire principal amount of
this Note, or a portion hereof (which is $1,000 principal amount or an integral multiple thereof)
below designated, on November 15, ______ in accordance with the terms of the Indenture referred to in
this Note at the Put Right Purchase Price, to the registered holder hereof.

Dated:______________

	 	 	 
	 	 	 
	 	 	Signature(s)
	 	 	 
	 	 	 
	 	 	 
	 	 	Social Security or Other
Taxpayer

Identification Number Principal amount to
be repaid (if less than all):  $_,000

NOTICE: The
above signatures of the

holder(s) hereof must
correspond with the

name as written upon the
face of the Note in
every particular without
alteration or

enlargement or any change
whatever.

A-12

 

[FORM OF FUNDAMENTAL CHANGE REPURCHASE NOTICE]

To: Maverick Tube Corporation

     The undersigned registered owner of this Note hereby acknowledges receipt of a notice from Maverick
Tube Corporation (the “Company”) as to the occurrence of a Fundamental Change with respect to the
Company and requests and instructs the Company to repay the entire principal amount of this Note,
or the portion thereof (which is $1,000 principal amount or an integral multiple thereof) below
designated, in accordance with the terms of the Indenture referred to in this Note, to the
registered holder hereof.

Dated: ________________

 

Signature(s)

 

Social Security or Other Taxpayer
Identification Number Principal amount to be
repaid (if less than all):  $_,000 NOTICE: The
above signatures of the holder(s) hereof must
correspond with the name as written upon the
face of the Note in every particular without
alteration or enlargement or any change
whatever.

A-13

 

[FORM OF ASSIGNMENT AND TRANSFER]

     For
value received ____________ hereby sell(s), assign(s) and transfer(s) unto ____________
(Please insert social security or Taxpayer Identification Number of assignee) the within Note, and
hereby irrevocably constitutes and appoints ____________ attorney to transfer the
said Note on the books of the Company, with full power of substitution in the premises.

     In connection with any transfer of the within Note occurring prior to the Resale Restriction
Termination Date, as defined in the Indenture governing such Note, the undersigned confirms that
such Note is being transferred:

 ̈     To Maverick Tube Corporation or a subsidiary thereof; or

 ̈     Pursuant to the registration statement that has been declared effective under the Securities
Act of 1933, as amended; or

 ̈     Pursuant to and in compliance with Rule 144A under the Securities Act of 1933, as amended;
or

 ̈     Pursuant to and in compliance with Rule 144 under the Securities Act of 1933, as amended; or

 ̈     Pursuant to another available exemption from registration under the Securities Act of 1933,
as amended.

Dated: _______________

_____________________

Signature(s)

_____________________

Signature Guarantee

Signature(s) must be guaranteed by an eligible

Guarantor Institution (banks, stock brokers,

savings and loan associations and credit unions)

with membership in an approved signature

guarantee medallion program pursuant to

Rule 17Ad-15 under the Securities Exchange

Act of 1934, as amended, if shares of Common

Stock are to be issued, or Notes to be delivered,

other than to and in the name of the registered

holder.

NOTICE: The signature on the conversion notice,

the option to elect repurchase upon a Fundamental

A-14

 

Change, the Put Right Notice, or the assignment must

correspond with the name as written upon the face of

the Note in every particular without alteration or

enlargement or any change whatever.

A-15

 

Schedule I

MAVERICK TUBE CORPORATION

1.875% Convertible Senior Subordinated Notes Due 2025

No. ________

	 	 	 	 	 	 	 
	 	 	 	 	Notation Explaining	 	Authorized
	 	 	 	 	Principal Amount	 	Signature of Trustee
	Date	 	Principal Amount	 	Recorded	 	or Custodian
	 	 	 	 	 	 	 
	 	 	 	 	 	 	 
	 	 	 	 	 	 	 
	 	 	 	 	 	 	 
	 	 	 	 	 	 	 
	 	 	 	 	 	 	 
	 	 	 	 	 	 	 
	 	 	 	 	 	 	 

A-16

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