Document:

Fifth Supplement Indenture dated December 15, 2005

 EXHIBIT 4.3 
  
 EXECUTION COPY 
  
 OMNICARE, INC., 
 Issuer 
  
 Each of the Guarantors Named Herein 
  
 and 
  
 SUNTRUST BANK, 
 Trustee 
  

  
 FIFTH SUPPLEMENTAL INDENTURE 
  
 Dated as of December 15, 2005 
  
 to 
  
 INDENTURE 
  
 Dated as of June 13, 2003 
  

  
 67/8% Senior Subordinated Notes Due December 15, 2015 

 TABLE OF CONTENTS 
  

					
	 	 	 	  	Page

	 ARTICLE I DEFINITIONS
	  	1
			
	         Section 1.01.
	 	 Definitions
	  	1
			
	         Section 1.02.
	 	 Other Definitions
	  	21
		
	 ARTICLE II THE NOTES
	  	22
			
	         Section 2.01.
	 	 Title
	  	22
			
	         Section 2.02.
	 	 Aggregate Initial Principal Amount
	  	22
			
	         Section 2.03.
	 	 Form
	  	22
			
	         Section 2.04.
	 	 Payment on Global Securities
	  	22
			
	         Section 2.05.
	 	 Amendment to Section 2.08
	  	22
		
	 ARTICLE III REDEMPTION
	  	22
			
	         Section 3.01.
	 	 Optional Redemption
	  	22
			
	         Section 3.02.
	 	 Mandatory Redemption
	  	23
			
	         Section 3.03.
	 	 Offer to Purchase by Application of Excess Proceeds
	  	23
		
	 ARTICLE IV ADDITIONAL COVENANTS
	  	25
			
	         Section 4.01.
	 	 Restricted Payments
	  	25
			
	         Section 4.02.
	 	 Dividend and Other Payment Restrictions Affecting Restricted Subsidiaries
	  	28
			
	         Section 4.03.
	 	 Incurrence of Indebtedness and Issuance of Preferred Stock
	  	30
			
	         Section 4.04.
	 	 Asset Sales
	  	33
			
	         Section 4.05.
	 	 Transactions with Affiliates
	  	34
			
	         Section 4.06.
	 	 Liens
	  	35
			
	         Section 4.07.
	 	 Offer to Repurchase Upon Change of Control
	  	35
			
	         Section 4.08.
	 	 No Senior Subordinated Debt
	  	36
			
	         Section 4.09.
	 	 Additional Subsidiary Guarantees
	  	37
			
	         Section 4.10.
	 	 Activities of Purchasing
	  	37
			
	         Section 4.11.
	 	 Designation of Restricted and Unrestricted Subsidiaries
	  	37
			
	         Section 4.12.
	 	 Covenant Removal
	  	37
			
	         Section 4.13.
	 	 Reports
	  	37
		
	 ARTICLE V SUCCESSOR CORPORATION
	  	38
			
	         Section 5.01.
	 	 Merger, Consolidation or Sale of Assets
	  	38
			
	         Section 5.02.
	 	 Successor Corporation Substituted
	  	39

  

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	 ARTICLE VI DEFAULTS
	  	39
			
	         Section 6.01.
	 	 Events of Default
	  	39
			
	         Section 6.02.
	 	 Acceleration
	  	41
			
	         Section 6.03.
	 	 Applicability of Certain Other Provisions
	  	41
			
	         Section 6.04.
	 	 Notice
	  	41
		
	 ARTICLE VII AMENDMENT, SUPPLEMENT AND WAIVER
	  	41
			
	         Section 7.01.
	 	 Applicability of Certain Provisions
	  	41
		
	 ARTICLE VIII NO SINKING FUND
	  	42
			
	         Section 8.01.
	 	 Applicability of Certain Provisions
	  	42
		
	 ARTICLE IX LEGAL DEFEASANCE AND COVENANT DEFEASANCE
	  	43
			
	         Section 9.01.
	 	 Applicability of Certain Provisions
	  	43
		
	 ARTICLE X SUBSIDIARY GUARANTEES
	  	43
			
	         Section 10.01.
	 	 Subsidiary Guarantees
	  	43
			
	         Section 10.02.
	 	 Subsidiary Guarantors May Consolidate, etc., on Certain Terms
	  	44
			
	         Section 10.03.
	 	 Releases
	  	44
			
	         Section 10.04.
	 	 Amendment to Section 12.03
	  	45
		
	 ARTICLE XI SATISFACTION AND DISCHARGE
	  	45
			
	         Section 11.01.
	 	 Applicability of Certain Provisions
	  	45
		
	 ARTICLE XII MISCELLANEOUS
	  	45
			
	         Section 12.01.
	 	 Scope of this Fifth Supplemental Indenture
	  	45
			
	         Section 12.02.
	 	 Ratification of Indenture
	  	45
			
	         Section 12.03.
	 	 Trustee Not Responsible for Recitals
	  	46
			
	         Section 12.04.
	 	 Separability
	  	46
			
	         Section 12.05.
	 	 Counterparts
	  	46
			
	         Section 12.06.
	 	 Governing Law
	  	46

  
 EXHIBIT A: Form of Note 
 EXHIBIT B: Form of Supplemental Indenture to be Delivered by Subsequent
Guarantors 
  

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 FIFTH SUPPLEMENTAL INDENTURE dated as of December 15, 2005 (the “Fifth Supplemental
Indenture”) between Omnicare, Inc., a corporation duly organized and existing under the laws of the State of Delaware (the “Company”), the Guarantors (as defined below) and SunTrust Bank, as trustee (the
“Trustee”). 
  
 WHEREAS, the Company has executed
and delivered to the Trustee an Indenture dated as of June 13, 2003 (the “Base Indenture”) providing for the issuance from time to time of one or more series of the Company’s debt securities; 
  
 WHEREAS, Section 2.01 of the Base Indenture provides that the Company
and the Trustee may enter into an indenture supplemental to the Base Indenture to establish the form or terms of Securities of any series as permitted by Section 2.01 and Section 9.01 of the Base Indenture; and 
  
 WHEREAS, the Company entered into a First Supplemental Indenture to establish
the form and terms of its 6 1/8% Senior Subordinated Notes due June 1, 2013; 
  
 WHEREAS, the Company entered into a Second Supplemental Indenture to
establish the form and terms of its 4% Junior Subordinated Convertible Debentures Due June 15, 2033; 
  
 WHEREAS, the Company entered into a Third Supplemental Indenture to establish the form and terms of its Series B 4% Junior Subordinated Convertible
Debentures due June 15, 2033; 
  
 WHEREAS, the Company is
concurrently entering into a Fourth Supplemental Indenture to establish the form and terms of its 6 3/4% Senior
Subordinated Notes due December 15, 2013 (the “2013 Notes”); and 
  
 WHEREAS, the Company is entering into this Fifth Supplemental Indenture to establish the form and terms of its 67/8% Senior Subordinated Notes due December 15, 2015 (the
“2015 Notes” or “the Notes”). 
  
 NOW THEREFORE, in consideration of the premises and covenants contained herein, it is hereby agreed as follows: 
  
 ARTICLE I 
  
 DEFINITIONS 
  
 Section 1.01. Definitions. Each term used herein which is defined in the Indenture has the meaning assigned to such term in the Base Indenture unless otherwise specifically defined herein, in which case the definition set forth
herein shall govern. The following terms, as used herein, have the following meanings: 
  
 “4.00% Convertible Subordinated Debentures due 2033” means the $345 million in aggregate principal amount of 4.00% Convertible Subordinated Debentures due 2033 issued by the Company on June 13,
2003 and Series B 4.00% Convertible Subordinated Debentures due 2033 issued by the Company on March 8, 2005. 
  
 “6.125% Notes” means the $250 million in aggregate principal amount of 6.125% Senior Subordinated Notes due 2013 originally issued by the
Company on June 13, 2003, including SEC-registered notes issued in exchange for such notes. 
  

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 “8.125% Notes” means $375 million aggregate principal amount of the Company’s
8.125% Senior Subordinated Notes due 2011 originally issued by the Company on March 20, 2001, including SEC-registered notes issued in exchange for such notes. 
  
 “3.25% Convertible Senior Debentures due 2035” means the $850 million in aggregate principal amount of
3.25% Convertible Senior Debentures due 2035 issued by the Company on the Issue Date and guaranteed solely by Purchasing, plus up to an additional $127.5 million in aggregate principal amount issuable upon exercise of the underwriters’
overallotment option. 
  
 “364-Day Credit
Facility” means the $1,900.0 million 364-day loan facility included in the Credit Agreement, dated as of July 28, 2005, by and among the Company, the lenders parties thereto, SunTrust Bank, as administrative agent, J.P. Morgan Chase
Bank, N.A., as joint syndication agent, Lehman Brothers Inc., as joint syndication agent, CIBC World Markets Corp., as co-documentation agent, Merrill Lynch, Pierce, Fenner & Smith Incorporated, as co-documentation agent, and Wachovia Bank,
National Association, as co-documentation agent. 
  
 “Acquired Debt” means, with respect to any specified Person: 
  

	 	(1)	Indebtedness of any other Person existing at the time such other Person is merged with or into or became a Restricted Subsidiary of such specified Person, whether or not such
Indebtedness is incurred in connection with, or in contemplation of, such other Person merging with or into, or becoming a Restricted Subsidiary of, such specified Person; and 

  

	 	(2)	Indebtedness secured by a Lien encumbering any asset acquired by such specified Person (limited to the maximum amount of liability of the specified Person with respect to such
Lien). 

  
 “Affiliate” of any
specified Person means any other Person directly or indirectly controlling or controlled by or under direct or indirect common control with such specified Person. For purposes of this definition, “control,” as used with respect to any
Person, means the possession, directly or indirectly, of the power to direct or cause the direction of the management or policies of such Person, whether through the ownership of voting securities, by agreement or otherwise; provided that
beneficial ownership of 10% or more of the Voting Stock of a Person will be deemed to be control. For purposes of this definition, the terms “controlling,” “controlled by” and “under common control with” have
correlative meanings. 
  
 “Applicable Redemption
Premium” means, with respect to any Note on any redemption date, the excess of 
  

	 	(1)	the present value at such redemption date of the redemption price of such Note if such Note were redeemed on December 15, 2010, plus all required interest payments due on such
Note through December 15, 2010, computed using a discount rate equal to the Treasury Rate at such redemption date plus 50 basis points, over 

  

	 	(2)	the then-outstanding principal amount of the Note. 

  

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 “Asset Sale” means: 
  

	 	(1)	the sale, lease, conveyance or other disposition by the Company or any of its Restricted Subsidiaries of any assets, other than sales of products and services in the ordinary course
of business consistent with past practices; provided that the sale, conveyance or other disposition of all or substantially all of the assets of the Company and its Restricted Subsidiaries taken as a whole will be governed by Section 4.07
and/or Section 5.01 of this Fifth Supplemental Indenture and not by the provisions of Section 4.04 of this Fifth Supplemental Indenture; and 

  

	 	(2)	the issuance of Equity Interests by any Restricted Subsidiary or the sale of Equity Interests in any Restricted Subsidiary. 

  
 Notwithstanding the preceding, the following items will not be deemed to be
Asset Sales: 
  

	 	(1)	any single transaction or series of related transactions that involves assets having a fair market value of less than $50.0 million; 

  

	 	(2)	a transfer of assets between or among the Company and one or more Restricted Subsidiaries; 

  

	 	(3)	an issuance of Equity Interests by a Restricted Subsidiary to the Company or to another Restricted Subsidiary; 

  

	 	(4)	the sale, lease or other disposition of equipment, inventory, accounts receivable or other assets in the ordinary course of business; 

  

	 	(5)	the sale or other disposition of cash or Cash Equivalents; 

  

	 	(6)	a Restricted Payment or Permitted Investment that is permitted by Section 4.01 of this Fifth Supplemental Indenture; 

  

	 	(7)	the sale and leaseback of any assets within 90 days of the acquisition of such assets; 

  

	 	(8)	a sale or other disposition of accounts receivable and related assets in connection with a financing transaction involving such assets (including, without limitation, in connection
with a securitization or similar financing); 

  

	 	(9)	any disposition of property in the ordinary course of business by the Company or any Restricted Subsidiary that, in the good faith judgment of management of the Company, has become
obsolete, worn out, damaged or no longer useful in the conduct of the business of the Company or the Restricted Subsidiaries; 

  

	 	(10)	any Asset Swap; 

  

	 	(11)	any sale of securities constituting Equity Interests that are issued by a subsidiary trust or similar financing vehicle in a transaction permitted under Section 4.03 of this
Fifth Supplemental Indenture; 

  

	 	(12)	any loans or other transfers of equipment to customers of the Company or any Restricted Subsidiary in the ordinary course of business for use with the products or services of the
Company or any Restricted Subsidiary; and 

  

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	 	(13)	the sale or issuance of a minimal number of Equity Interests in a Restricted Subsidiary that is a foreign entity to a foreign national to the extent required by local law or in a
jurisdiction outside of the United States. 

  
 “Asset Swap” means an exchange by the Company or any Restricted Subsidiary of property or assets for property or assets of another Person; provided that (i) the Company or the applicable Restricted Subsidiary,
as the case may be, receives consideration at the time of such exchange at least equal to the fair market value of the assets or other property sold, issued or otherwise disposed of (as evidenced by a resolution of the Company’s Board of
Directors), and (ii) at least 70% of the consideration received in such exchange constitutes assets or other property of a kind usable by the Company and its Restricted Subsidiaries in a Permitted Business; provided, further that any
cash and Cash Equivalents received by the Company or any of its Restricted Subsidiaries in connection with such an exchange shall constitute Net Proceeds subject to the provisions of Section 4.04 of this Fifth Supplemental Indenture.

  
 “Beneficial Owner” has the meaning assigned
to such term in Rule 13d-3 and Rule 13d-5 under the Exchange Act, except that in calculating the beneficial ownership of any particular “person” (as that term is used in Section 13(d)(3) of the Exchange Act), such “person”
will be deemed to have beneficial ownership of all securities that such “person” has the right to acquire by conversion or exercise of other securities, whether such right is currently exercisable or is exercisable only upon the occurrence
of a subsequent condition. The terms “Beneficially Owns” and “Beneficially Owned” have a corresponding meaning. 
  
 “Board of Directors” means: 
  

	 	(1)	with respect to a corporation, the board of directors of the corporation (or any duly authorized committee thereof); 

  

	 	(2)	with respect to a partnership, the Board of Directors (or any duly authorized committee thereof) of the general partner of the partnership; and 

  

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

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

	 	(1)	in the case of a corporation, corporate stock; 

  

	 	(2)	in the case of an association or business entity, any and all shares, interests, participations, rights or other equivalents (however designated) of corporate stock;

  

	 	(3)	in the case of a partnership or limited liability company, partnership or membership interests (whether general or limited); and 

  

	 	(4)	any other interest or participation that confers on a Person the right to receive a share of the profits and losses of, or distributions of assets of, the issuing Person.

  

 4 

 “Cash Equivalents” means: 
  

	 	(1)	United States dollars; 

  

	 	(2)	securities constituting direct obligations of the United States or any agency or instrumentality of the United States, the payment or guarantee of which constitutes a full faith and
credit obligation of the United States, maturing in three years or less from the date of acquisition thereof; 

  

	 	(3)	securities constituting direct obligations of any State or municipality within the United States maturing in three years or less from the date of acquisition thereof which, in any
such case, at the time of acquisition by the Company or any Restricted Subsidiary, is accorded one of the two highest long-term or short-term, as applicable, debt ratings by S&P or Moody’s or any other United States nationally recognized
credit rating agency of similar standing; 

  

	 	(4)	certificates of deposit with a maturity of one year or less or bankers’ acceptances issued by a bank or trust company having capital, surplus and undivided profits aggregating
at least $500.0 million and having a short-term unsecured debt rating of at least “P-1” by Moody’s or “A-1” by S&P; 

  

	 	(5)	eurodollar time deposits with maturities of one year or less and overnight bank deposits with any bank or trust company having capital, surplus and undivided profits aggregating at
least $500.0 million and having a short-term unsecured debt rating of at least “P-1” by Moody’s or “A-1” by S&P; 

  

	 	(6)	repurchase obligations with a term of not more than seven days for underlying securities of the types described in clauses (2), (3), (4) and (5) above entered into with
any financial institution meeting the qualifications specified in such clauses above; 

  

	 	(7)	commercial paper maturing in 270 days or less from the date of issuance which, at the time of acquisition by the Company or any Restricted Subsidiary, is accorded a rating of
“A2” or better by S&P or “P2” or better by Moody’s or any other United States nationally recognized credit rating agency of similar standing; and 

  

	 	(8)	any fund or other pooling arrangement at least 95% of the assets of which constitute Investments described in clauses (1) through (7) of this definition.

  
 “Change of Control” means the
occurrence of any of the following: 
  

	 	(1)	the direct or indirect sale, transfer, conveyance or other disposition (other than by way of merger or consolidation), in one or a series of related transactions, of all or
substantially all of the properties or assets of the Company and its Restricted Subsidiaries taken as a whole to any “person” (as that term is used in Section 13(d)(3) of the Exchange Act); 

  

	 	(2)	the adoption of a plan relating to the liquidation or dissolution of the Company; 

  

 5 

	 	(3)	the consummation of any transaction (including, without limitation, any merger or consolidation) the result of which is that any “person” (as defined above), other than
one or more Principals and their Related Parties, becomes the Beneficial Owner, directly or indirectly, of more than 45% of the Voting Stock of the Company, measured by voting power rather than number of shares; or 

  

	 	(4)	the first day on which a majority of the members of the Board of Directors of the Company are not Continuing Directors. 

  
 “Concurrent Financing Transactions” means the issuance and
sale by the Company of: (a) $850 million principal amount of the 3.25% Convertible Senior Debentures due 2035, plus up to an additional $127.5 million in aggregate principal amount issuable upon exercise of the underwriters’ overallotment
option, (b) up to 12,825,000 shares of its common stock plus up to an additional 1,923,750 shares issuable upon exercise of the underwriters’ overallotment option and (c) the Notes and the 2013 Notes issued on the Issue Date.

  
 “Consolidated Assets” of any Person as of any
date means the total assets of such Person and its Restricted Subsidiaries on a consolidated basis at such date, as determined in accordance with GAAP. 
  
 “Consolidated Cash Flow” means, with respect to any specified Person for any period, the Consolidated Net Income of such Person for such
period plus: 
  

	 	(1)	an amount equal to any extraordinary, unusual or non-recurring loss plus any net loss realized by such Person or any of its Restricted Subsidiaries in connection with an Asset Sale,
to the extent such losses were deducted in computing such Consolidated Net Income; plus 

  

	 	(2)	provision for taxes based on income or profits of such Person and its Restricted Subsidiaries for such period, to the extent that such provision for taxes was deducted in computing
such Consolidated Net Income; plus 

  

	 	(3)	consolidated interest expense of such Person and its Restricted Subsidiaries for such period, whether paid or accrued and whether or not capitalized (including, without limitation,
amortization of debt issuance costs and original issue discount, non-cash interest payments, the interest component of any deferred payment obligations, the interest component of all payments associated with Capital Lease Obligations, commissions,
discounts and other fees and charges incurred in respect of letter of credit or bankers’ acceptance financings, and net of the effect of all payments made or received pursuant to Hedging Obligations), to the extent that any such expense was
deducted in computing such Consolidated Net Income; plus 

  

	 	(4)	depreciation, amortization (including amortization of goodwill and other intangibles but excluding amortization of prepaid cash expenses that were paid in a prior period) and other
non-cash expenses (excluding any such non-cash expense to the extent that it represents an accrual of or reserve for cash expenses in any future period or amortization of a prepaid cash expense that was paid in a prior period) of such Person and its
Restricted Subsidiaries for such period to the extent that such depreciation, amortization and other non-cash expenses were deducted in computing such Consolidated Net Income; minus 

  

 6 

	 	(5)	non-cash items increasing such Consolidated Net Income for such period, other than the accrual of revenue in the ordinary course of business, 

  
 in each case, on a consolidated basis and determined in accordance with GAAP. 
  
 Notwithstanding the preceding, the provision for taxes based on the income or
profits of, and the depreciation and amortization and other non-cash expenses of, a Restricted Subsidiary will be added to Consolidated Net Income to compute Consolidated Cash Flow of the Company only to the extent that a corresponding amount would
be permitted at the date of determination to be dividended to the Company by such Restricted Subsidiary without prior governmental approval (that has not been obtained), pursuant to the terms of its charter and all agreements, instruments,
judgments, decrees, orders, statutes, rules and governmental regulations applicable to that Restricted Subsidiary or its stockholders. 
  
 “Consolidated Net Income” means, with respect to any specified Person for any period, the aggregate of the Net Income of such Person and
its Restricted Subsidiaries for such period, on a consolidated basis, determined in accordance with GAAP; provided that: 
  

	 	(1)	the Net Income (but not loss) of any Person that is not a Restricted Subsidiary or that is accounted for by the equity method of accounting will be included only to the extent of
the amount of dividends or distributions paid in cash to the specified Person or a Restricted Subsidiary of the Person; 

  

	 	(2)	the Net Income of any Restricted Subsidiary will be excluded to the extent that the declaration or payment of dividends or similar distributions by that Restricted Subsidiary of
that Net Income is not at the date of determination permitted without any prior governmental approval (that has not been obtained) or, directly or indirectly, by operation of the terms of its charter or any agreement, instrument, judgment, decree,
order, statute, rule or governmental regulation applicable to that Restricted Subsidiary or its stockholders; 

  

	 	(3)	for purposes of Section 4.01 of this Fifth Supplemental Indenture, the Net Income of any Person acquired in a pooling of interests transaction for any period prior to the date
of such acquisition will be excluded; and 

  

	 	(4)	the cumulative effect of a change in accounting principles will be excluded. 

  

“Continuing Directors” means, as of any date of determination, any member of the Board of Directors of the Company who: 
  
 was a member of such Board of Directors on the Issue Date; or 
  
 was nominated for election or elected to such Board of Directors with the
approval of a majority of the Continuing Directors who were members of such Board at the time of such nomination or election. 
  
 “Convertible Preferred Stock” means any convertible preferred stock or similar securities of the Company or any subsidiary trust (or
similar financing vehicle) that are convertible at the option of the holder thereof into common stock of the Company. 
  
 “Convertible Subordinated Indebtedness” means any Indebtedness of the Company that is subordinated to the Notes and that is convertible
at the option of the holder thereof into common 

  

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stock of the Company (including, without limitation, any Indebtedness incurred in connection with a transaction involving the sale by the Company of purchase
contracts to acquire common stock of the Company at a future date), and, if applicable, any related securities issued by a subsidiary trust or similar financing vehicle in connection therewith. 
  
 “Credit Agreement” means the Credit Agreement, dated as of
July 28, 2005, by and among the Company, the lenders parties thereto, SunTrust Bank, as administrative agent, J.P. Morgan Chase Bank, N.A., as joint syndication agent, Lehman Brothers Inc., as joint syndication agent, CIBC World Markets Corp.,
as co-documentation agent, Merrill Lynch, Pierce, Fenner & Smith Incorporated, as co-documentation agent, and Wachovia Bank, National Association, as co-documentation agent, providing for up to $800.0 million of revolving credit borrowings,
up to $700.0 million of term loans, up to $1,900.0 million of 364-day loans and up to $500.0 million of additional term loans, including any related notes, guarantees, collateral documents, instruments and agreements executed in connection
therewith, and in each case as amended (including, without limitation, as to principal amount), modified, renewed, refunded, replaced or refinanced from time to time (whether or not with the original agents or lenders and whether or not contemplated
under the original agreement relating thereto). 
  
 “Credit Facilities” means, one or more debt facilities (including, without limitation, the Credit Agreement, but excluding the 364-Day Facility) or commercial paper facilities, in each case with banks or other institutional
lenders providing for revolving credit loans, term loans, receivables financing (including through the sale of receivables to such lenders or to special purpose entities formed to borrow from such lenders against such receivables) or letters of
credit, in each case, as amended (including, without limitation, as to principal amount), restated, modified, renewed, refunded, replaced or refinanced in whole or in part from time to time (whether or not with the original agents or lenders and
whether or not contemplated under the original agreement relating thereto). 
  
 “Custodian” means the Trustee, as custodian for the Notes in global form, or any successor entity thereto. 
  
 “Default” means any event that is, or with the passage of time or the giving of notice or both would be, an Event of Default. 

 
 “Designated Senior Debt” means: 
  

	 	(1)	any Indebtedness outstanding under the Credit Agreement; and 

  

	 	(2)	after payment in full of all Obligations under the Credit Agreement, any other Senior Debt (other than the 3.25% Convertible Senior Debentures due 2035 or any Guarantee thereof)
permitted under the Indenture the principal amount of which is $50.0 million or more and that has been designated by the Company as “Designated Senior Debt.” 

  
 “Disqualified Stock” means any Capital Stock that, by its terms (or by the terms of any security into which
it is convertible, or for which it is exchangeable, in each case at the option of the holder of the Capital Stock), or upon the happening of any event, matures or is mandatorily redeemable, pursuant to a sinking fund obligation or otherwise, or
redeemable at the option of the holder of the Capital Stock, in whole or in part, on or prior to the date that is 91 days after the date on which the Notes mature. 
  
 Notwithstanding the preceding sentence, any Capital Stock that would constitute Disqualified Stock solely because the
holders of the Capital Stock have the right to require the Company to repurchase such Capital Stock upon the occurrence of a Change of Control or an Asset Sale will not 

  

 8 

 
constitute Disqualified Stock if the terms of such Capital Stock provide that the Company may not repurchase or redeem any such Capital Stock pursuant to
such provisions unless such repurchase or redemption complies with the provisions of Section 4.01 of this Fifth Supplemental Indenture. 
  
 “Domestic Subsidiary” means any Restricted Subsidiary organized under the laws of the United States or any state of the United States or
the District of Columbia. 
  
 “Equity Interests”
means Capital Stock and all warrants, options or other rights to acquire Capital Stock (but excluding any debt security that is convertible into, or exchangeable for, Capital Stock). 
  
 “Equity Offering” means any public or private sale by the Company for cash (in an amount resulting in gross
proceeds of not less than $25.0 million) of its common stock or preferred stock (excluding Disqualified Stock). 
  
 “Excluded Subsidiaries” means those Domestic Subsidiaries that are designated by the Company as Domestic Subsidiaries that will not be
Guarantors; provided, however, that in no event will the Excluded Subsidiaries, either individually or collectively, hold more than 10% of the consolidated assets of the Company and its Domestic Subsidiaries as of the end of any fiscal
quarter or account for more than 10% of the consolidated revenue of the Company and its Domestic Subsidiaries during the most recent four-quarter period (in each case determined as of the most recent fiscal quarter for which the Company has internal
financial statements available); provided, further, that any Domestic Subsidiary that guarantees other Indebtedness of the Company may not be designated as or continue to be an Excluded Subsidiary. In the event any Domestic
Subsidiaries previously designated as Excluded Subsidiaries cease to meet the requirements of the previous sentence, the Company will promptly cause one or more of such Domestic Subsidiaries to become Guarantors so that the requirements of the
previous sentence are complied with. 
  
 “Existing
Indebtedness” means Indebtedness of the Company and its Restricted Subsidiaries (other than Indebtedness under the Credit Agreement) in existence on the Issue Date, until such amounts are repaid, including, without limitation, all
Indebtedness incurred by the Company and its Restricted Subsidiaries in connection with the Concurrent Financing Transactions (other than Indebtedness under the Credit Agreement). 
  
 “Fixed Charges” means, with respect to any specified Person for any period, the sum, without duplication,
of: 
  

	 	(1)	the consolidated interest expense of such Person and its Restricted Subsidiaries for such period, whether paid or accrued, including, without limitation, amortization of debt
issuance costs and original issue discount, non-cash interest payments, the interest component of any deferred payment obligations, the interest component of all payments associated with Capital Lease Obligations, commissions, discounts and other
fees and charges incurred in respect of letter of credit or bankers’ acceptance financings, and net of the effect of all payments made or received pursuant to Hedging Obligations; plus 

  

	 	(2)	the consolidated interest of such Person and its Restricted Subsidiaries that was capitalized during such period; plus 

  

	 	(3)	any interest expense on Indebtedness of another Person that is Guaranteed by such Person or one of its Restricted Subsidiaries or secured by a Lien on assets of such Person or one
of its Restricted Subsidiaries, to the extent such Guarantee or Lien is called upon; plus 

  

 9 

	 	(4)	the product of (a) all dividends, whether paid or accrued and whether or not in cash, on any series of preferred stock of such Person or any of its Restricted Subsidiaries,
other than dividends on Equity Interests payable solely in Equity Interests of the Company (other than Disqualified Stock) or to the Company or a Restricted Subsidiary, times (b) a fraction, the numerator of which is one and the denominator of
which is one minus the then current combined federal, state and local statutory tax rate of such Person, expressed as a decimal, in each case, on a consolidated basis and in accordance with GAAP. 

  
 “Fixed Charge Coverage Ratio” means with respect to any
specified Person for any period, the ratio of the Consolidated Cash Flow of such Person for such period to the Fixed Charges of such Person for such period. In the event that the specified Person or any of its Restricted Subsidiaries incurs,
assumes, Guarantees, repays, repurchases or redeems any Indebtedness (other than ordinary working capital borrowings) or issues, repurchases or redeems preferred stock subsequent to the commencement of the period for which the Fixed Charge Coverage
Ratio is being calculated and on or prior to the date on which the event for which the calculation of the Fixed Charge Coverage Ratio is made (the “Calculation Date”), then the Fixed Charge Coverage Ratio will be calculated giving
pro forma effect to such incurrence, assumption, Guarantee, repayment, repurchase or redemption of Indebtedness, or such issuance, repurchase or redemption of preferred stock, and the use of the proceeds therefrom as if the same had occurred at the
beginning of the applicable four-quarter reference period. 
  
 In
addition, for purposes of calculating the Fixed Charge Coverage Ratio, pro forma effect will be given to: 
  

	 	(1)	acquisitions of any operations or businesses or assets (other than assets acquired in the ordinary course of business) that have been made by the specified Person or any of its
Restricted Subsidiaries, including through purchases or through mergers or consolidations and including any related financing transactions, during the four-quarter reference period or subsequent to such reference period and on or prior to the
Calculation Date, as if they had occurred on the first day of the four-quarter reference period; and 

  

	 	(2)	the discontinuance of operations or businesses and dispositions of operations or businesses or assets (other than assets disposed of in the ordinary course of business) during the
four quarter reference period or subsequent to such reference period and on or prior to the Calculation Date, as if they had occurred on the first day of the four quarter reference period. 

  
 “GAAP” means generally accepted accounting principles set
forth in the opinions and pronouncements of the Accounting Principles Board of the American Institute of Certified Public Accountants and statements and pronouncements of the Financial Accounting Standards Board or in such other statements by such
other entity as have been approved by a significant segment of the accounting profession, which are in effect on the date of determination. 
  
 “Guarantee” means a guarantee other than by endorsement of negotiable instruments for collection in the ordinary course of business,
direct or indirect, in any manner including, without limitation, by way of a pledge of assets or through letters of credit or reimbursement agreements in respect thereof, of all or any part of any Indebtedness. 
  

 10 

 “Guarantors” means each of: 
  

	 	(1)	the Domestic Subsidiaries of the Company as of the Issue Date other than Excluded Subsidiaries; and 

  

	 	(2)	any other Subsidiary that executes a Subsidiary Guarantee in accordance with the provisions of the Indenture, 

  
 and their respective successors and assigns; provided that upon the release
and discharge of any Person from its Subsidiary Guarantee in accordance with this Indenture, such Person shall cease to be a Guarantor. 
  
 “Hedging Obligations” means, with respect to any specified Person, the obligations of such Person under: 
  

	 	(1)	interest rate swap agreements, interest rate cap agreements and interest rate collar agreements; and 

  

	 	(2)	other agreements or arrangements designed to protect such Person against fluctuations in interest rates or foreign exchange rates. 

  
 “Indebtedness” means, with respect to any specified Person,
any indebtedness of such Person, whether or not contingent: 
  

	 	(1)	in respect of borrowed money; 

  

	 	(2)	evidenced by bonds, notes, debentures or similar instruments or letters of credit (or reimbursement agreements in respect thereof); 

  

	 	(3)	in respect of banker’s acceptances; 

  

	 	(4)	representing Capital Lease Obligations; 

  

	 	(5)	representing the balance deferred and unpaid of the purchase price of any property; or 

  

	 	(6)	representing any Hedging Obligations, 

  
 if and to the extent any of the preceding items (other than letters of credit and Hedging Obligations) would appear as a liability upon a balance sheet of the specified
Person prepared in accordance with GAAP. In addition, the term “Indebtedness” includes all Indebtedness of others secured by a Lien on any asset of the specified Person (whether or not such Indebtedness is assumed by the specified
Person) and, to the extent not otherwise included, the Guarantee by the specified Person of any indebtedness of any other Person, in each case limited to the maximum amount of liability of the specified Person with respect to such Lien or Guarantee
on the date in question. Notwithstanding anything in the foregoing to the contrary, Indebtedness shall not include trade payables or accrued expenses for property or services incurred in the ordinary course of business. 
  

 11 

 The amount of any Indebtedness issued with original issue discount will be the accreted value of such
Indebtedness. 
  
 “Indenture” shall mean the Base
Indenture, as amended from time to time with respect to the Notes, and together with and as supplemented by this Fifth Supplemental Indenture. 
  
 “Investment Grade” means (1) with respect to S&P, any of the rating categories from and including AAA to and including BBB- and
(2) with respect to Moody’s, any of the rating categories from and including Aaa to and including Baa3. 
  
 “Investments” means, with respect to any Person, all direct or indirect investments by such Person in other Persons (including
Affiliates) in the forms of loans (including Guarantees or other obligations), advances or capital contributions (excluding commission, travel and similar advances to directors, officers and employees made in the ordinary course of business),
purchases or other acquisitions for consideration of Indebtedness, Equity Interests or other securities, together with all items that are or would be classified as investments on a balance sheet prepared in accordance with GAAP. If the Company or
any Restricted Subsidiary sells or otherwise disposes of any Equity Interests of any direct or indirect Restricted Subsidiary such that, after giving effect to any such sale or disposition, such Person is no longer a Restricted Subsidiary, the
Company will be deemed to have made an Investment on the date of any such sale or disposition equal to the fair market value of the Equity Interests of such Restricted Subsidiary not sold or disposed of in an amount determined as provided in the
final paragraph of Section 4.01 of this Fifth Supplemental Indenture; provided that the Company shall not have been deemed to have made an Investment pursuant to the foregoing if the Company shall have previously or concurrently
therewith been deemed to have made an Investment in connection with such Equity Interests. The acquisition by the Company or any Restricted Subsidiary of a Person that holds an Investment in a third Person will be deemed to be an Investment by the
Company or such Restricted Subsidiary in such third Person in an amount equal to the fair market value of the Investment held by the acquired Person in such third Person in an amount determined as provided in the final paragraph of Section 4.01
of this Fifth Supplemental Indenture; provided, the Company or such Restricted Subsidiary shall not have been deemed to have made an Investment pursuant to the foregoing if the Company or any Restricted Subsidiary shall have previously or
concurrently therewith been deemed to have made an Investment in connection with such acquisition. “Investments” shall exclude extensions of trade credit. 
  
 “Issue Date” means the original issue date for the first issuance of Notes offered hereunder. 

 
 “Lien” means, with respect to any asset, any mortgage,
lien, pledge, charge, security interest or encumbrance of any kind in respect of such asset, whether or not filed, recorded or otherwise perfected under applicable law, including any conditional sale or other title retention agreement, any lease in
the nature thereof, any option or other agreement to sell or give a security interest in and any filing of or agreement to give any financing statement under the Uniform Commercial Code (or equivalent statutes) of any jurisdiction. 
  
 “Net Income” means, with respect to any specified Person,
the net income (loss) of such Person, determined in accordance with GAAP and before any reduction in respect of preferred stock dividends, excluding, however: 
  

	 	(1)	any gain or loss, together with any related provision for taxes on such gain or loss, realized in connection with: (a) any Asset Sale; or (b) the disposition of any
securities by such Person or any of its Restricted Subsidiaries or the extinguishment of any Indebtedness of such Person or any of its Restricted Subsidiaries; and 

  

 12 

	 	(2)	any extraordinary, unusual or non-recurring gain, charge, expense or loss, together with any related provision for taxes on such extraordinary, unusual or non-recurring gain,
charge, expense or loss. 

  
 “Net
Proceeds” means the aggregate cash proceeds and Cash Equivalents received by the Company or its Restricted Subsidiaries in respect of any Asset Sale (including, without limitation, any cash received upon the sale or other disposition of any
non-cash consideration received in any Asset Sale), net of the direct costs relating to such Asset Sale, including, without limitation, legal, accounting and investment banking fees, sales commissions, any relocation expenses incurred as a result of
the Asset Sale, any taxes paid or payable as a result of the Asset Sale, in each case, after taking into account any available tax credits or deductions and any tax sharing arrangements, amounts required to be applied to the repayment of
Indebtedness, all distributions and other payments required to be made to non-majority interest holders in subsidiaries or joint ventures as a result of such Asset Sale and appropriate amounts to be provided by the Company or any Restricted
Subsidiary, as the case may be, as a reserve required in accordance with GAAP against any liabilities associated with such Asset Sale and retained by the Company or any Restricted Subsidiary, as the case may be, after such Asset Sale, including,
without limitation, pension and other post-employment benefit liabilities, liabilities related to environmental matters and liabilities under any indemnification obligations associated with such Asset Sale. 
  
 “Obligations” means any principal, interest, penalties,
fees, indemnifications, reimbursements, damages and other liabilities payable under the documentation governing any Indebtedness. 
  
 “Permitted Business” means the business or businesses conducted by the Company and its Restricted Subsidiaries as of the Issue Date and
any business ancillary or complementary thereto. 
  
 “Permitted Investments” means: 
  

	 	(1)	any Investment in the Company or in a Restricted Subsidiary; 

  

	 	(2)	any Investment in Cash Equivalents; 

  

	 	(3)	any Investment by the Company or any Restricted Subsidiary in a Person, if as a result of such Investment: 

  

	 	(a)	such Person becomes a Restricted Subsidiary; or 

  

	 	(b)	such Person is merged, consolidated or amalgamated with or into, or transfers or conveys substantially all of its assets to, or is liquidated into, the Company or a Restricted
Subsidiary; 

  

	 	(4)	any Investment made as a result of the receipt of non-cash consideration from an Asset Sale that was made pursuant to and in compliance with the provisions of Section 4.04 of
this Fifth Supplemental Indenture; 

  

	 	(5)	any Investment received to the extent the consideration therefor was the issuance of Equity Interests (other than Disqualified Stock) of the Company; 

  

 13 

	 	(6)	Hedging Obligations; 

  

	 	(7)	intercompany Indebtedness to the extent permitted under Section 4.03 of this Fifth Supplemental Indenture; 

  

	 	(8)	Investments in prepaid expenses, negotiable instruments held for collection and lease, utility and workers’ compensation, performance and other similar deposits made in the
ordinary course of business and Investments to secure participation in government reimbursement programs; 

  

	 	(9)	loans and advances to officers, directors and employees made in the ordinary course of business; 

  

	 	(10)	Investments represented by accounts and notes receivable created or acquired in the ordinary course of business; 

  

	 	(11)	Investments existing on the Issue Date and any renewal or replacement thereof on terms and conditions not materially less favorable than that being renewed or replaced;

  

	 	(12)	Investments by any qualified or nonqualified benefit plan established by the Company or its Restricted Subsidiaries made in accordance with the terms of such plan, or any
Investments made by the Company or any Restricted Subsidiary in connection with the funding thereof; 

  

	 	(13)	Investments received in settlement of debts owed to the Company or any Restricted Subsidiary, including, without limitation, as a result of foreclosure, perfection or enforcement of
any Lien or indebtedness or in connection with any bankruptcy, liquidation, receivership or insolvency proceeding; 

  

	 	(14)	Investments as of the Issue Date in Unrestricted Subsidiaries so designated as of the Issue Date; 

  

	 	(15)	Investments in any Subsidiary that constitutes a special purpose entity formed for the primary purpose of financing receivables or for the primary purpose of issuing trust preferred
or similar securities in a transaction permitted by Section 4.03 of this Fifth Supplemental Indenture; 

  

	 	(16)	Investments deemed to have been made as a result of the acquisition of a Person that at the time of such acquisition held instruments constituting Investments that were not made in
contemplation of the acquisition of such Person; and 

  

	 	(17)	other Investments in any Person having an aggregate fair market value (measured on the date each such Investment was made and without giving effect to subsequent changes in value),
when taken together with all other outstanding Investments made pursuant to this clause (17), not to exceed 20.0% of Consolidated Assets in the aggregate at any one time outstanding. 

  
 “Permitted Junior Securities” means: 
  

	 	(1)	Equity Interests in the Company or any Guarantor; or 

  

 14 

	 	(2)	debt securities that are subordinated to all Senior Debt and any debt securities issued in exchange for Senior Debt to substantially the same extent as, or to a greater extent than,
the Notes and the Subsidiary Guarantees are subordinated to Senior Debt under the Indenture. 

  
 “Permitted Liens” means: 
  

	 	(1)	Liens securing Senior Debt; 

  

	 	(2)	Liens in favor of the Company or its Restricted Subsidiaries; 

  

	 	(3)	Liens on property of a Person existing at the time such Person is merged with or into or consolidated with the Company or any Restricted Subsidiary; provided that such Liens
were in existence prior to the contemplation of such merger or consolidation and do not extend to any assets other than those of the Person merged into or consolidated with the Company or the Restricted Subsidiary; 

  

	 	(4)	Liens on property existing at the time of acquisition of the property by the Company or any Restricted Subsidiary, provided that such Liens were in existence prior to the
contemplation of such acquisition; 

  

	 	(5)	Liens to secure Indebtedness (including, without limitation, Capital Lease Obligations) permitted by clause (d) of the second paragraph of Section 4.03 of this Fifth
Supplemental Indenture covering only the assets acquired with such Indebtedness; 

  

	 	(6)	Liens existing on the Issue Date; 

  

	 	(7)	Liens for taxes, assessments or governmental charges or claims that are not yet delinquent or that are being contested in good faith by appropriate proceedings promptly instituted
and diligently concluded, provided that any reserve or other appropriate provision as is required in conformity with GAAP has been made therefor; 

  

	 	(8)	Liens securing any Hedging Obligations of the Company or any Restricted Subsidiary; 

  

	 	(9)	Liens securing any Indebtedness otherwise permitted to be incurred under the Indenture, the proceeds of which are used to refinance Indebtedness of the Company or any Restricted
Subsidiary, provided that such Liens extend to or cover only the assets secured by the Indebtedness being refinanced; 

  

	 	(10)	Liens on property of a Person existing at the time such Person becomes a Restricted Subsidiary, provided that such Liens were not incurred in connection with, or in
contemplation of, such Person becoming a Restricted Subsidiary; 

  

	 	(11)	statutory Liens and other Liens imposed by law incurred in the ordinary course of business for sums not yet delinquent or being contested in good faith, if the Company or any
applicable Restricted Subsidiaries shall have made any reserves or other appropriate provision required by GAAP; 

  

 15 

	 	(12)	Liens incurred or deposits made in the ordinary course of business in connection with workers’ compensation, unemployment insurance and other types of social security, or to
secure the performance of tenders, statutory obligations, surety and appeal bonds, bids, leases, government contracts, performance, return-of-money bonds, participation in government reimbursement programs and other similar obligations;

  

	 	(13)	judgment Liens not giving rise to an Event of Default, so long as any appropriate legal proceedings which may have been duly initiated for the review of such judgment shall not have
been finally terminated or the period within which such proceedings may be initiated shall not have expired; 

  

	 	(14)	easements, rights-of-way, zoning restrictions and other similar charges or encumbrances in respect of real property not interfering in any material respect with the conduct of the
business of the Company or any of its Restricted Subsidiaries; 

  

	 	(15)	any interest or title of a lessor in assets or property subject to Capital Lease Obligations or an operating lease of the Company or any Restricted Subsidiary;

  

	 	(16)	Liens incurred in connection with a financing involving the sale or other disposition of accounts receivable and related assets (including, without limitation, in connection with a
securitization or similar financing); 

  

	 	(17)	leases or subleases granted to others not interfering with the ordinary conduct of the business of the Company or any of the Restricted Subsidiaries; 

  

	 	(18)	bankers’ liens with respect to the right of set-off arising in the ordinary course of business against amounts maintained in bank accounts or certificates of deposit in the
name of the Company or any Restricted Subsidiary; 

  

	 	(19)	the interest of any issuer of a letter of credit in any cash or Cash Equivalents deposited with or for the benefit of such issuer as collateral for such letter of credit;
provided that the Indebtedness so collateralized is permitted to be incurred by the terms of this Indenture; 

  

	 	(20)	any Lien consisting of a right of first refusal or option to purchase an ownership interest in any Restricted Subsidiary or to purchase assets of the Company or any Restricted
Subsidiary, which right of first refusal or option is entered into in the ordinary course of business or is otherwise permitted under the Indenture; 

  

	 	(21)	any Lien granted to the Trustee pursuant to the terms of the Indenture and any substantially equivalent Lien granted to the respective trustees under the indentures for other debt
securities of the Company; and 

  

	 	(22)	Liens with respect to obligations that do not exceed the greater of $150 million and 2.5% of the Consolidated Assets of the Company. 

  
 “Permitted Refinancing Indebtedness” means any Indebtedness
of the Company or any Restricted Subsidiary issued in exchange for, or the net proceeds of which are used to extend, refinance, 

  

 16 

 
renew, replace, defease or refund other Indebtedness of the Company or any of its Restricted Subsidiaries (other than intercompany Indebtedness);
provided that: 
  

	 	(1)	the principal amount of such Permitted Refinancing Indebtedness does not exceed the principal amount of the Indebtedness extended, refinanced, renewed, replaced, defeased or
refunded (plus all accrued interest on the Indebtedness and the amount of all fees, expenses and premiums incurred in connection therewith); 

  

	 	(2)	if the Indebtedness being extended, refinanced, renewed, replaced, defeased or refunded is other than Senior Debt, such Permitted Refinancing Indebtedness has a final maturity date
not earlier than the final maturity date of, and has a Weighted Average Life to Maturity equal to or greater than, the Weighted Average Life to Maturity of, the Indebtedness being extended, refinanced, renewed, replaced, defeased or refunded, except
that, in the case of a refinancing, replacement, defeasance or refunding of the 4.00% Convertible Subordinated Debentures due 2033, such Permitted Refinancing Indebtedness may have a final maturity date and a Weighted Average Life to Maturity of no
earlier than one year after the final maturity date and Weighted Average Life to Maturity of the Notes; 

  

	 	(3)	if the Indebtedness being extended, refinanced, renewed, replaced, defeased or refunded is subordinated in right of payment to the Notes, such Permitted Refinancing Indebtedness is
subordinated in right of payment to the Notes on terms not materially less favorable to the Holders of Notes as those contained in the documentation governing the Indebtedness being extended, refinanced, renewed, replaced, defeased or refunded,
except that, in the case of a refinancing, replacement, defeasance or refunding of the 4.00% Convertible Subordinated Debentures due 2033, such Permitted Refinancing Indebtedness may be subordinate or pari passu in right of payment to the Notes; and

  

	 	(4)	if the Indebtedness being extended, refinanced, renewed, replaced, defeased or refunded was incurred by the Company, the obligor on the Permitted Refinancing Indebtedness may not be
a Restricted Subsidiary. 

  
 “Person” means any individual, corporation, partnership, joint venture, association, joint-stock company, trust, unincorporated organization, limited liability company or government or other entity. 
  
 “Principal” means Joel Gemunder, an entity controlled by
Joel Gemunder and/or a trust for his benefit or any employee benefit plan of the Company (including plans for the benefit of employees of its Restricted Subsidiaries). 
  
 “Purchasing” means Omnicare Purchasing Company, LP, a Delaware limited partnership. 
  
 “Rating Event” has the meaning set forth in
Section 4.11 of this Fifth Supplemental Indenture. 
  

 17 

 “Related Party” means: 
  

	 	(1)	any controlling stockholder, 80% (or more) owned Subsidiary, or immediate family member (in the case of an individual) of any Principal; or 

  

	 	(2)	any trust, corporation, partnership or other entity, the beneficiaries, stockholders, partners, owners or Persons beneficially holding an 80% or more controlling interest of which
consist of any one or more Principals and/or such other Persons referred to in the immediately preceding clause (1). 

  
 “Replacement Assets” mean properties or assets substantially similar to the assets disposed of in a particular Asset Sale and acquired to
replace the properties or assets that were the subject of such Asset Sale or that are otherwise useful in a Permitted Business. 
  
 “Restricted Investment” means an Investment other than a Permitted Investment. 
  
 “Restricted Subsidiary” means any direct or indirect
Subsidiary of the Company other than an Unrestricted Subsidiary. 
  
 “Senior Debt” means, in the case of the Company or a Guarantor: 
  

	 	(1)	all obligations of the Company or such Guarantor, as the case may be, related to the Credit Agreement, whether for principal, premium, if any, interest, including interest accruing
after the filing of, or which would have accrued but for the filing of, a petition by or against the Company or such Guarantor under applicable bankruptcy laws, whether or not such interest is lawfully allowed as a claim after such filing, and all
other amounts payable in connection therewith, including, without limitation, any fees, premiums, penalties, expenses, reimbursements, indemnities, damages and other liabilities; and 

  

	 	(2)	the principal of, premium, if any, and interest on all other Indebtedness of the Company or such Guarantor, as the case may be, other than the Notes, and all Hedging Obligations, in
each case whether outstanding on the Issue Date or thereafter created, incurred or assumed, unless, in the case of any particular Indebtedness or Hedging Obligation, the instrument creating or evidencing the Indebtedness or Hedging Obligation
expressly provides that such Indebtedness or Hedging Obligation shall not be senior in right of payment to the Notes. 

  
 Notwithstanding the foregoing, “Senior Debt” does not include: 
  

	 	(a)	Indebtedness evidenced by the Notes and the Subsidiary Guarantees; 

  

	 	(b)	Indebtedness of the Company or any Guarantor that is expressly subordinated in right of payment to any Senior Debt of the Company or such Guarantor or the Notes or the applicable
Subsidiary Guarantee; 

  

	 	(c)	Indebtedness of the Company or any Guarantor that by operation of law is subordinate to any general unsecured obligations of the Company or such Guarantor; 

 

	 	(d)	Indebtedness of the Company or any Guarantor to the extent incurred in violation of any covenant prohibiting the incurrence of Indebtedness under the Indenture;

  

 18 

	 	(e)	any liability for federal, state or local taxes or other taxes, owed or owing by the Company or any Guarantor; 

  

	 	(f)	accounts payable or other liabilities owed or owing by the Company or any Guarantor to trade creditors, including Guarantees thereof or instruments evidencing such liabilities;

  

	 	(g)	amounts owed by the Company or any Guarantor for compensation to employees or for services rendered to the Company or such Guarantor; 

  

	 	(h)	Indebtedness of the Company or any Guarantor to any Restricted Subsidiary or any other Affiliate of the Company or such Guarantor; 

  

	 	(i)	Capital Stock of the Company or any Guarantor; 

  

	 	(j)	Indebtedness which when incurred and without respect to any election under Section 1111(b) of Title 11 of the U.S. Code is without recourse to the Company or any Restricted
Subsidiary; 

  

	 	(k)	the 8.125% Notes or any Guarantee thereof; 

  

	 	(l)	the 6.125% Notes or any Guarantee thereof; 

  

	 	(m)	the 4.00% Convertible Subordinated Debentures due 2033 and the related Trust Preferred Income Securities (or any Guarantee thereof); 

  

	 	(n)	any Guarantee of the 3.25% Convertible Senior Debentures due 2035 or any Permitted Refinancing Indebtedness incurred in respect thereof pursuant to Section 4.03(e) of this
Fifth Supplemental Indenture (other than a Guarantee by Purchasing); and 

  

	 	(o)	The 2013 Notes (or any Guarantee thereof). 

  
 “Significant Subsidiary” means any Subsidiary that would be a “significant subsidiary” as defined in Article 1, Rule 1-02 of
Regulation S-X, promulgated pursuant to the Securities Act, as such Regulation is in effect on the date hereof. 
  
 “Stated Maturity” means, with respect to any installment of interest or principal on any series of Indebtedness, the date on which the
payment of interest or principal was scheduled to be paid in the original documentation governing such Indebtedness, and will not include any contingent obligations to repay, redeem or repurchase any such interest or principal prior to the date
originally scheduled for the payment thereof. 
  
 “Subsidiary” means, with respect to any specified Person, (a) any corporation more than 50% of the outstanding securities having ordinary voting power of which shall at the time be owned or controlled, directly or
indirectly, by such Person or by one or more of its Restricted Subsidiaries or by such Person and one or more of its Restricted Subsidiaries, or (b) any partnership, limited liability company, association, joint venture or similar business
organization more than 50% of the ownership interests having ordinary voting power of which shall at the time be so owned or controlled. 
  

 19 

 “Treasury Rate” means, at any date of determination, the yield to maturity as of such
date (as compiled by and published in the most recent Federal Reserve Statistical Release H.15(519), which has become publicly available at least two business days prior to the date of the redemption notice for which such computation is being made
(or if such Statistical Release is no longer published, as reported in any publicly available source of similar market data)), of United States Treasury securities with a constant maturity most nearly equal to the period from the relevant redemption
date to December 15, 2010; provided that, if such period is not equal to the constant maturity of the United States Treasury security for which a weekly average yield is given, the Treasury Rate shall be obtained by linear interpolation
(calculated to the nearest one-twelfth of a year) from the weekly average yields of United States Treasury securities for which such yields are given, except that if such period is less than one year, the weekly average yield on actually traded
United States Treasury securities adjusted to a constant maturity of one year shall be used. 
  
 “Trust PIERS” means the $345 million aggregate principal amount 4.00% Trust PIERS due 2033 issued by Omnicare Capital Trust I on June 13, 2003 and the Series B 4.00% Trust PIERS due 2033 issued
by Omincare Capital Trust II on March 8, 2005. 
  
 “Unrestricted Subsidiary” means any Subsidiary of the Company that is designated by the Board of Directors of the Company as an Unrestricted Subsidiary pursuant to a Board Resolution, but only to the extent that such
Subsidiary: 
  

	 	(1)	has no Indebtedness other than Indebtedness that is without recourse to the Company or its Restricted Subsidiaries; 

  

	 	(2)	is not party to any agreement, contract, arrangement or understanding with the Company or any Restricted Subsidiary unless the terms of any such agreement, contract, arrangement or
understanding are not materially less favorable to the Company or such Restricted Subsidiary than those that might be obtained at the time from Persons who are not Affiliates of the Company; 

  

	 	(3)	is a Person with respect to which neither the Company nor any of its Restricted Subsidiaries has any (a) continuing direct or indirect obligation to subscribe for additional
Equity Interests or (b) direct or indirect obligation to maintain or preserve such Person’s financial condition or to cause such Person to achieve any specified levels of operating results; and 

  

	 	(4)	has not guaranteed or otherwise directly or indirectly provided credit support for any Indebtedness of the Company or any of its Restricted Subsidiaries. 

 
 In addition, any Subsidiary that constitutes a special purpose entity
formed for the primary purpose of financing receivables or for the primary purpose of issuing trust preferred or similar securities in connection with a transaction permitted by Section 4.03 of this Fifth Supplemental Indenture, shall be an
Unrestricted Subsidiary. 
  
 Any designation of a Subsidiary of
the Company as an Unrestricted Subsidiary after the Issue Date will be evidenced to the Trustee by filing with the Trustee a certified copy of the Board Resolution giving effect to such designation and an officers’ certificate certifying that
such designation complied with the preceding conditions and was permitted by Section 4.01 of this Fifth Supplemental Indenture. If, at any time, any Unrestricted Subsidiary would fail to meet the preceding requirements as an Unrestricted
Subsidiary, it will thereafter cease to be an Unrestricted Subsidiary for purposes hereof and any Indebtedness of such Subsidiary will be deemed to be incurred by a Restricted Subsidiary of the Company as of such date and, if such Indebtedness is
not permitted to be incurred as of such date under 

  

 20 

 
Section 4.03 of this Fifth Supplemental Indenture, the Company will be in default of such covenant. The Board of Directors of the Company may at any
time designate any Unrestricted Subsidiary to be a Restricted Subsidiary; provided that such designation will be deemed to be an incurrence of Indebtedness by a Restricted Subsidiary of any outstanding Indebtedness of such Unrestricted
Subsidiary and such designation will only be permitted if (1) such Indebtedness is permitted under Section 4.03 of this Fifth Supplemental Indenture, calculated on a pro forma basis as if such designation had occurred at the beginning of
the four quarter reference period; and (2) no Default or Event of Default would be in existence following such designation. 
  
 “Voting Stock” of any Person as of any date means the Capital Stock of such Person that is at the time entitled to vote in the election
of the Board of Directors of such Person. 
  
 “Weighted
Average Life to Maturity” means, when applied to any Indebtedness at any date, the number of years obtained by dividing: 
  

	 	(1)	the sum of the products obtained by multiplying (a) the amount of each then remaining installment, sinking fund, serial maturity or other required payments of principal,
including payment at final maturity, in respect of the Indebtedness, by (b) the number of years (calculated to the nearest one-twelfth) that will elapse between such date and the making of such payment; by 

  

	 	(2)	the then outstanding principal amount of such Indebtedness. 

  
 Section 1.02. Other Definitions 
  

			
	 Term

	  	Defined in Section

	 Affiliate Transaction
	  	4.05
	 Asset Sale Offer
	  	4.04
	 Excess Proceeds
	  	4.04
	 Exchange Act
	  	4.07
	 Offer Amount
	  	3.03
	 Offer Period
	  	3.03
	 Moody’s
	  	4.12
	 Permitted Debt
	  	4.03
	 Payment Default
	  	6.01
	 Purchase Date
	  	3.03
	 Rating Event
	  	4.12
	 S&P
	  	4.12
	 Subsidiary Guarantee
	  	10.01

  

 21 

 ARTICLE II 
  

THE NOTES 
  
 Section 2.01. Title. Subject to and in accordance with Section 2.03 of the Base Indenture, the Company hereby establishes a series of
securities to be issued under the Indenture with the title “67/8% Senior Subordinated Notes due December 15, 2015.” 
  
 Section 2.02. Aggregate Initial Principal Amount. Subject to being increased by the Company from time to time as shall be stated in an
Officers’ Certificate, the aggregate initial principal amount of the Notes which may be authenticated and delivered pursuant to this Fifth Supplemental Indenture (except for Notes authenticated and delivered upon registration or transfer of, or
in exchange for, or in lieu of, other Notes pursuant to Sections 2.08, 2.09, 2.12, 3.06 or 9.05 of the Base Indenture and except for Notes which, pursuant to Section 2.04 of the Base Indenture, are deemed never to have been authenticated and
delivered) is $525 million. The Company may issue additional Notes from time to time hereunder, subject to the provisions of Section 2.04 of the Base Indenture and subject to the limitations set forth in Section 4.03 of this Fifth
Supplemental Indenture. All Notes issued on the Issue Date together with any such additional Notes issued under this Fifth Supplemental Indenture will be treated as a single class of securities under the Indenture. 
  
 Section 2.03. Form. The Notes will be issued in registered form
in denominations of $1,000 and integral multiples thereof. The Notes shall be initially issued in the form of one or more Global Securities substantially in the form of Exhibit A hereto. The Depository with respect to the Notes shall be The
Depositary Trust Company. Each Note shall be dated the date of its authentication. The terms and provisions contained in the Notes shall constitute, and are hereby expressly made, a part of this Fifth Supplemental Indenture and the Company, the
Guarantors and the Trustee, by their execution and delivery of this Fifth Supplemental Indenture, expressly agree to such terms and provisions and to be bound thereby. However, to the extent any provision of any Note conflicts with the express
provisions of the Indenture, the provisions of the Indenture shall govern and be controlling. 
  
 Section 2.04. Payment on Global Securities. The Company will make payments in respect of Notes issued in the form of Global Securities (including principal, premium and if any, interest) by wire transfer
of immediately available funds to the accounts specified by the Global Securities Holder. The Company will make all payments of principal, interest and premium with respect to Notes issued in permanent form by wire transfer of immediately available
funds to the accounts specified by the Holders of such Notes or, if no such account is specified, by mailing a check to each such Holder’s registered address. 
  
 Section 2.05. Amendment to Section 2.08. Clause (ii) of the fourth paragraph of Section 2.08 of
the Base Indenture shall not apply to the Notes. 
  
 ARTICLE III

  
 REDEMPTION 
  
 Section 3.01. Optional Redemption. At any time prior to
December 15, 2008, the Company may on any one or more occasions redeem up to 35% of the aggregate principal amount of the Notes (including any additional Notes) issued under this Fifth Supplemental Indenture at a redemption 

  

 22 

 
price of 106.875% of the principal amount, plus accrued interest and unpaid, if any, to the redemption date, with the net cash proceeds of one or more Equity
Offerings; provided that: 
  
 (a) at least
65% of the aggregate principal amount of Notes issued under this Fifth Supplemental Indenture remains outstanding immediately after the occurrence of such redemption (excluding Notes held by the Company and its Subsidiaries); and 
  
 (b) the redemption occurs within 90 days of the date of the
closing of such Equity Offering. 
  
 At any time prior to
December 15, 2010, the Company may redeem all but not part of the Notes, upon not less than 30 nor more than 60 days’ notice, at a redemption price equal to 100% of the principal amount thereof, plus the Applicable Redemption Premium and
accrued and unpaid interest to the redemption date. 
  
 Except
pursuant to the preceding two paragraphs, the Notes will not be redeemable at the Company’s option prior to December 15, 2010. On or after December 15, 2010, the Company may redeem all or a part of the Notes upon not less than 30 nor
more than 60 days’ notice, at the redemption prices (expressed as percentages of principal amount) set forth below plus accrued and unpaid interest, if any, on the Notes redeemed, to the applicable redemption date, if redeemed during the
twelve-month period beginning on December 15 of the years indicated below: 
  

				
	 Year

	  	Percentage

	 
	 2010
	  	103.438	%
	 2011
	  	102.292	%
	 2012
	  	101.146	%
	 2013 and thereafter
	  	100.000	%

  
 (c)
Any redemption pursuant to this Section 3.01 shall be made pursuant to the provisions of Sections 3.01 through 3.06 of the Base Indenture. 
  
 Section 3.02. Mandatory Redemption. Except as set forth in Sections 3.03, 4.04 and 4.07, the Company is not required to make mandatory
redemption or sinking fund payments with respect to the Notes. 
  
 Section 3.03. Offer to Purchase by Application of Excess Proceeds. In the event that, pursuant to Section 4.04 of this Fifth Supplemental Indenture, the Company shall be required to commence an Asset Sale Offer, it shall
follow the procedures specified below. 
  
 The Asset Sale Offer
shall remain open for a period of 20 Business Days following its commencement, except to the extent that a longer period is required by applicable law (the “Offer Period”). No later than five Business Days after the termination of
the Offer Period (the “Purchase Date”), the Company shall purchase the principal amount of Notes required to be purchased pursuant to Section 4.04 of this Fifth Supplemental Indenture (the “Offer Amount”) or,
if less than the Offer Amount has been tendered, all Notes tendered in response to the Asset Sale Offer. 
  
 If the Purchase Date is on or after an interest record date and on or before the related interest payment date, any accrued and unpaid interest shall be
paid to the Person in whose name a Note is registered at the close of business on such record date, and no additional interest shall be payable to Holders who tender Notes pursuant to the Asset Sale Offer. 
  

 23 

 Upon commencement of an Asset Sale Offer, the Company shall send, by first class mail, a notice to the
Trustee and each of the Holders. The notice shall contain all instructions and materials necessary to enable such Holders to tender Notes pursuant to the Asset Sale Offer. The Asset Sale Offer shall be made to all Holders. The notice, which shall
govern the terms of the Asset Sale Offer, shall state: 
  
 (a) that the Asset Sale Offer is being made pursuant to this Section 3.03 and Section 4.04 of this Fifth Supplemental Indenture and the length of time the Asset Sale Offer shall remain open; 
  
 (b) the Offer Amount, the purchase price and the Purchase
Date; 
  
 (c) that any Note not tendered or
accepted for payment shall continue to accrete or accrue interest; 
  
 (d) that, unless the Company defaults in making such payment, any Note accepted for payment pursuant to the Asset Sale Offer shall cease to accrue interest after the Purchase Date; 
  
 (e) that Holders electing to have a Note purchased pursuant
to an Asset Sale Offer may elect to have Notes purchased in integral multiples of $1,000 only; 
  
 (f) that Holders electing to have a Note purchased pursuant to any Asset Sale Offer shall be required to surrender the Note, with the form
entitled “Option of Holder to Elect Purchase” on the reverse of the Note completed, or transfer by book-entry transfer, to the Company, a depositary, if appointed by the Company, or a Paying Agent at the address specified in the notice at
least three days before the Purchase Date; 
  
 (g) that Holders shall be entitled to withdraw their election if the Company, the Depositary or the Paying Agent, as the case may be, receives, no later than the close of business on the last day of the Offer Period, a telegram, telex,
facsimile transmission or letter setting forth the name of the Holder, the principal amount of the Note the Holder delivered for purchase and a statement that such Holder is withdrawing his election to have such Note purchased; 
  
 (h) that, if the aggregate principal amount of Notes
surrendered by Holders exceeds the Offer Amount, the Trustee shall select the Notes to be purchased on a pro rata basis (with such adjustments as may be deemed appropriate by the Trustee so that only Notes in denominations of $1,000, or
integral multiples thereof, shall be purchased); and 
  
 (i) that Holders whose Notes were purchased only in part shall be issued new Notes equal in principal amount, in amounts of $1,000 and integral multiples of $1,000, to the unpurchased portion of the Notes surrendered (or transferred by
book-entry transfer) upon cancellation of the original Notes. 
  
 On or before the Purchase Date, the Company shall, to the extent lawful, accept for payment, on a pro rata basis to the extent necessary, the Offer Amount of Notes or portions thereof tendered pursuant to the Asset Sale Offer, or if
less than the Offer Amount has been tendered, all Notes tendered, deposit with the Paying Agent an amount equal to the Offer Amount in respect of all Notes or portions of Notes properly tendered and shall deliver to the Trustee an Officers’
Certificate stating that such Notes or portions thereof were accepted for payment by the Company in accordance with the terms 

  

 24 

 
of this Section 3.03. The Paying Agent shall promptly (but in any case not later than five Business Days after the Purchase Date) mail or deliver to
each tendering Holder an amount equal to the purchase price of the Notes tendered by such Holder and accepted by the Company for purchase, and the Company shall promptly issue a new Note, and the Trustee, upon written request from the Company shall
authenticate and mail or deliver such new Note to such Holder, in a principal amount equal to any unpurchased portion of the Note surrendered upon cancellation of the original Note. Any Note not so accepted shall be promptly mailed or delivered by
the Company to the Holder thereof. The Company shall publicly announce the results of the Asset Sale Offer on the Purchase Date. 
  
 Other than as specifically provided in this Section 3.03, any purchase pursuant to this Section 3.03 shall be made pursuant to the provisions of
Sections 3.01 through 3.06 of the Base Indenture. 
  
 ARTICLE IV

  
 ADDITIONAL COVENANTS 
  
 The Notes shall not be subject to the covenant set forth in Section 4.03
of the Base Indenture. In addition to the other covenants set forth in Article 4 of the Base Indenture, the Notes shall be subject to the additional covenants set forth in this Article IV: 
  
 Section 4.01. Restricted Payments. The Company shall not, and
shall not permit any of its Restricted Subsidiaries to, directly or indirectly: 
  
 (a) declare or pay any dividend or make any other payment or distribution on account of the Company’s or any Restricted
Subsidiary’s Equity Interests (including, without limitation, any payment in connection with any merger or consolidation involving the Company or any of its Restricted Subsidiaries) or to the direct or indirect holders of the Company’s or
any of its Restricted Subsidiaries’ Equity Interests in their capacity as such (other than dividends or distributions payable in Equity Interests (other than Disqualified Stock) of the Company or to the Company or a Restricted Subsidiary);

  
 (b) purchase, redeem or otherwise acquire or
retire for value (including, without limitation, in connection with any merger or consolidation involving the Company) any Equity Interests of the Company or any direct or indirect parent of the Company; 
  
 (c) make any payment on or with respect to, or purchase,
redeem, defease or otherwise acquire or retire for value any Indebtedness that is subordinated to the Notes or the Subsidiary Guarantees, except a payment of interest or principal at the Stated Maturity thereof; or 
  
 (d) make any Restricted Investment (all such payments and
other actions set forth in these clauses (a) through (d) being collectively referred to as “Restricted Payments”), 
  
 unless, at the time of and after giving effect to such Restricted Payment: 
  
 (i) no Default or Event of Default has occurred and is continuing or would occur as a consequence of such Restricted Payment; and

  
 (ii) the Company would, at the time of such
Restricted Payment and after giving pro forma effect thereto as if such Restricted Payment had been made at the 

  

 25 

 
beginning of the applicable four-quarter period, have been permitted to incur at least $1.00 of additional Indebtedness pursuant to the Fixed Charge Coverage
Ratio test set forth in the first paragraph of Section 4.03 of this Fifth Supplemental Indenture; and 
  
 (iii) such Restricted Payment, together with the aggregate amount of all other Restricted Payments made by the Company and its Restricted
Subsidiaries after March 20, 2001 (excluding Restricted Payments permitted by clauses (b), (c), (d), (f), (g), (h), (i), (j), (k), (l), (n), (o) and (p) of the next succeeding paragraph) is less than the sum, without duplication, of:

  
 (A) 50% of the Consolidated Net Income of
the Company for the period (taken as one accounting period) from January 1, 2001 to the end of the Company’s most recently ended fiscal quarter for which internal financial statements are available at the time of such Restricted Payment
(or, if such Consolidated Net Income for such period is a deficit, less 100% of such deficit), plus 
  
 (B) 100% of the aggregate net cash proceeds received by the Company since March 20, 2001 as a contribution to its common equity
capital or from the issue or sale of Equity Interests of the Company (other than Disqualified Stock) or from the issue or sale of convertible or exchangeable Disqualified Stock or convertible or exchangeable debt securities that have been converted
into or exchanged for such Equity Interests of the Company (other than Equity Interests (or Disqualified Stock or debt securities) sold to a Restricted Subsidiary), plus 
  
 (C) to the extent that any Restricted Investment that was made after March 20, 2001 is sold for cash
or Cash Equivalents (or a combination thereof) or otherwise liquidated or repaid for cash or Cash Equivalents (or a combination thereof), the lesser of (1) the return of capital with respect to such Restricted Investment (less the cost of
disposition, if any) and (2) the initial amount of such Restricted Investment, plus 
  
 (D) an amount equal to the sum of (1) the net reduction in Investments in Unrestricted Subsidiaries resulting from cash dividends,
repayments of loans or advances or other transfers of assets, in each case to the Company or any Restricted Subsidiary from Unrestricted Subsidiaries, plus (2) the portion (proportionate to the Company’s equity interest in such
Subsidiary) of the fair market value of the net assets of an Unrestricted Subsidiary at the time such Unrestricted Subsidiary is designated a Restricted Subsidiary, in each case since March 20, 2001 (provided, however, that the
foregoing sum shall not exceed, in the case of any Unrestricted Subsidiary, the amount of Investments made since March 20, 2001 by the Company or any Restricted Subsidiary that were treated as Restricted Payments, and provided,
further, that no amount will be included under this clause (D) to the extent it is already included in clauses (A), (B) or (C) above). 
  

 26 

 So long as no Default has occurred and is continuing or would be caused thereby, the preceding provisions
shall not prohibit: 
  
 (a) the payment of any dividend within 60
days after the date of declaration of the dividend, if at the date of declaration the dividend payment would have complied with the provisions of the Indenture; 
  

(b) the redemption, repurchase, retirement, defeasance or other acquisition of any subordinated Indebtedness of the Company or any Restricted
Subsidiary or of any Equity Interests of the Company in exchange for, or out of the net cash proceeds of the substantially concurrent sale (other than to a Restricted Subsidiary) of, Equity Interests of the Company (other than Disqualified Stock);
provided that the amount of any such net cash proceeds that are utilized for any such redemption, repurchase, retirement, defeasance or other acquisition will be excluded from clause (iii)(B) of the preceding paragraph; 
  
 (c) the defeasance, redemption, repurchase or other acquisition of
subordinated Indebtedness of the Company or any Restricted Subsidiary with the net cash proceeds from an incurrence of Permitted Refinancing Indebtedness; 
  
 (d) the payment of any dividend by a Restricted Subsidiary to the holders of its Equity Interests on a pro rata basis; 
  
 (e) the repurchase, redemption or other acquisition or retirement for value
of any Equity Interests of the Company or any Restricted Subsidiary held by any officer, director or employee of the Company or any Subsidiary of the Company in connection with any management equity subscription agreement, any compensation,
retirement, disability, severance or benefit plan or agreement, any stock option or incentive plan or agreement, any employment agreement or any other similar plans or agreements; provided that the aggregate price paid for all such repurchased,
redeemed, acquired or retired Equity Interests may not exceed $60.0 million in any calendar year (with unused amounts in any calendar year being carried over to succeeding years); 
  
 (f) the repurchase of Equity Interests deemed to occur upon the exercise of stock options or stock appreciation rights or
the lapsing of restrictions on restricted stock, to the extent such Equity Interests represent a portion of the exercise price of those stock options or stock appreciation rights or the withholding taxes payable in connection with such stock
options, stock appreciation rights or restricted stock; 
  
 (g)
the payment of dividends by the Company on its common stock in an aggregate annual amount of up to $120.0 million; 
  
 (h) the repurchase of any class of Capital Stock of a Restricted Subsidiary (other than Disqualified Stock) if such repurchase is made pro rata among all
holders of such class of Capital Stock; 
  
 (i) the payment of any
scheduled dividend or similar distribution, and any scheduled repayment of the stated amount, liquidation preference or any similar amount at final maturity or on any scheduled redemption or repurchase date, in respect of any series of preferred
stock or similar securities of the Company or any Restricted Subsidiary (including Disqualified Stock), provided that (i) such series of preferred stock or similar securities was issued in compliance with Section 4.03 of this Fifth
Supplemental Indenture and (ii) such payments were scheduled to be paid in the original documentation governing such series of preferred stock or other securities (it being understood that the foregoing provisions of this clause (i) shall
not be 

  

 27 

 
deemed to permit the payment of any dividend or similar distribution, or the payment of the stated amount, liquidation preference or any similar amount,
prior to the date originally scheduled for the payment thereof); 
  
 (j) payments in lieu of fractional shares; 
  
 (k) the
purchase of any Indebtedness that is subordinate to the notes at a purchase price no greater than 101% of the principal amount thereof in the event of a Change of Control in accordance with provisions similar to those described under
Section 4.07 of this Fifth Supplemental Indenture; provided that prior to such purchase the Company has made the Change of Control Offer as provided in such section and has purchased all notes validly tendered for payment in connection
with such Change of Control Offer; 
  
 (l) the purchase of any
Indebtedness that is subordinate to the notes from Net Proceeds to the extent permitted by the provisions described under Section 4.04 of this Fifth Supplemental Indenture; 
  
 (m) (a) honoring any conversion request by a holder of convertible securities and making required cash payments in
connection therewith and (b) redemption of the 4.00% Convertible Subordinated Debentures due 2033 and the Trust PIERS upon an “Investment Company Event” or a “Tax Event” (as defined in the indenture and the amended and
restated trust agreement therefor as in effect on the Issue Date); 
  
 (n) interest payments on the 4.00% Convertible Subordinated Debentures due 2033 and the corresponding distributions paid to holders of the Trust PIERS; 
  

(o) the distribution of 4.00% Convertible Subordinated Debentures due 2033 to holders of the Trust PIERS in connection with the liquidation of the
related trust; and 
  
 (p) additional Restricted Payments pursuant
to this clause (p) in an aggregate amount not to exceed 5.0% of Consolidated Assets of the Company as of the end of the Company’s most recently completed fiscal quarter for which internal financial statements are available at the time of
such Restricted Payment (with each such Restricted Payment being valued as of the date made and without regard to subsequent changes in value). 
  
 The amount of all Restricted Payments (other than cash) will be the fair market value on the date of the Restricted Payment of the asset(s) or securities
proposed to be transferred or issued by the Company or such Restricted Subsidiary, as the case may be, pursuant to the Restricted Payment. The fair market value of any assets or securities that are required to be valued by this Section 4.01
will be determined by the Board of Directors of the Company in good faith, whose determination with respect thereto will be conclusive. 
  
 Section 4.02. Dividend and Other Payment Restrictions Affecting Restricted Subsidiaries. The Company shall not, and shall not permit any of
its Restricted Subsidiaries to, directly or indirectly, create or permit to exist or become effective any consensual encumbrance or restriction on the ability of any Restricted Subsidiary to: 
  
 (a) pay dividends or make any other distributions on its
Capital Stock to the Company or any of its Restricted Subsidiaries, or with respect to any other interest or participation in, or measured by, its profits, or pay any indebtedness owed to the Company or any of its Restricted Subsidiaries;

  

 28 

 (b) make loans or advances to the Company or any of its Restricted Subsidiaries; or 
  
 (c) transfer any of its properties or assets to the Company or any of its
Restricted Subsidiaries. 
  
 However, the preceding restrictions
will not apply to encumbrances or restrictions existing under or by reason of: 
  
 (a) agreements governing Existing Indebtedness and Credit Facilities as in effect on the Issue Date and any amendments, modifications, restatements, renewals, increases, supplements, refundings, replacements or
refinancings of those agreements, provided that the amendments, modifications, restatements, renewals, increases, supplements, refundings, replacement or refinancings are not materially more restrictive, taken as a whole, with respect to such
dividend and other payment restrictions than those contained in those agreements on the Issue Date; 
  
 (b) the Indenture, the Notes and the Subsidiary Guarantees; 
  
 (c) applicable law; 
  
 (d) any instrument governing Indebtedness or Capital Stock of a Person acquired by the Company or any of its Restricted Subsidiaries as in effect at the
time of such acquisition (except to the extent such Indebtedness or Capital Stock was incurred in connection with or in contemplation of such acquisition), which encumbrance or restriction is not applicable to any Person, or the properties or assets
of any Person, other than the Person, or the property or assets of the Person, so acquired, provided that, in the case of Indebtedness, such Indebtedness was permitted by the terms of the Indenture to be incurred; 
  
 (e) customary non-assignment provisions in leases entered into in the
ordinary course of business; 
  
 (f) purchase money obligations
for property acquired in the ordinary course of business that impose restrictions on that property of the nature described in clause (c) of the preceding paragraph; 
  
 (g) any agreement for the sale or other disposition of a Restricted Subsidiary or any assets thereof that restricts
distributions by that Restricted Subsidiary pending the sale or other disposition; 
  
 (h) Permitted Refinancing Indebtedness, provided that the restrictions contained in the agreements governing such Permitted Refinancing Indebtedness are not materially more restrictive, taken as a whole, than
those contained in the agreements governing the Indebtedness being refinanced; 
  

 29 

 (i) Liens securing Indebtedness otherwise permitted to be incurred under Section 4.06 of this Fifth
Supplemental Indenture that limit the right of the debtor to dispose of the assets subject to such Liens; 
  
 (j) provisions with respect to the disposition or distribution of assets or property in joint venture agreements, asset sale agreements, stock sale
agreements and other similar agreements entered into in the ordinary course of business; 
  
 (k) restrictions imposed in connection with a financing transaction involving a sale or other disposition of accounts receivable and related assets (including, without limitation, in connection with a securitization
or similar financing) or in connection with a financing involving a subsidiary trust or similar financing vehicle that is permitted by Section 4.03 of this Fifth Supplemental Indenture, provided, that such restrictions do not materially
adversely affect the Company’s ability to pay interest and principal on the Notes when due; and 
  
 (l) restrictions on cash or other deposits or net worth imposed by customers under contracts entered into in the ordinary course of business or imposed by
governmental agencies or authorities. 
  
 Section 4.03.
Incurrence of Indebtedness and Issuance of Preferred Stock. The Company shall not, and shall not permit any of its Restricted Subsidiaries to, directly or indirectly, create, incur, issue, assume, guarantee or otherwise become directly or
indirectly liable, contingently or otherwise, with respect to (collectively, “incur”) any Indebtedness (including Acquired Debt), and the Company shall not issue any Disqualified Stock and shall not permit any of its Restricted
Subsidiaries to issue any shares of preferred stock; provided, however, that the Company and any Restricted Subsidiary may incur Indebtedness (including Acquired Debt) and the Company may issue Disqualified Stock and any Restricted Subsidiary
may issue preferred stock (including Disqualified Stock) if the Fixed Charge Coverage Ratio for the Company’s most recently ended four full fiscal quarters for which internal financial statements are available immediately preceding the date on
which such additional Indebtedness is incurred or such Disqualified Stock or preferred stock is issued would have been at least 2.0 to 1, determined on a pro forma basis (including a pro forma application of the net proceeds therefrom), as if the
additional Indebtedness had been incurred or the Disqualified Stock or preferred stock had been issued, as the case may be, at the beginning of such four-quarter period. 
  
 The first paragraph of this Section 4.03 will not prohibit the following (collectively, “Permitted
Debt”): 
  
 (a) the incurrence by the
Company and its Restricted Subsidiaries of additional Indebtedness and letters of credit under Credit Facilities in an aggregate principal amount at any one time outstanding under this clause (a) (with letters of credit being deemed to have a
principal amount equal to the maximum potential liability of the Company and its Restricted Subsidiaries thereunder) not to exceed $2.75 billion; 
  
 (b) Existing Indebtedness; 
  
 (c) the incurrence by the Company and the Guarantors of Indebtedness represented by the Notes and the related Subsidiary Guarantees to be
issued on the Issue Date; 
  
 (d) the incurrence
by the Company or any of its Restricted Subsidiaries of Indebtedness represented by Capital Lease Obligations, mortgage financings or purchase 

  

 30 

 
money obligations, in each case, incurred for the purpose of financing all or any part of the purchase price or cost of construction or improvement of
property, plant or equipment used in the business of the Company or such Subsidiary, in an aggregate principal amount, including all Permitted Refinancing Indebtedness incurred to refund, refinance or replace any Indebtedness incurred pursuant to
this clause (d), not to exceed $100.0 million at any time outstanding; 
  
 (e) the incurrence by the Company or any of its Restricted Subsidiaries of Permitted Refinancing Indebtedness in exchange for, or the net proceeds of which are used to refund, refinance or replace Indebtedness (other
than intercompany Indebtedness) that was permitted by the Indenture to be incurred under the first paragraph of this Section 4.03 (excluding 8.125% Notes repurchased pursuant to the tender offer therefor launched by the Company substantially
concurrently with the initial offering of the Notes) or clauses (b), (c), (d), (j), (m), (n) or this clause (e) of this paragraph; 
  
 (f) the incurrence by the Company or any of its Restricted Subsidiaries of intercompany Indebtedness between or among the Company and any
of its Restricted Subsidiaries; provided, however, that (i) any subsequent issuance or transfer of Equity Interests that results in any such Indebtedness being held by a Person other than the Company or a Restricted Subsidiary and
(ii) any sale or other transfer of any such Indebtedness to a Person that is not either the Company or a Restricted Subsidiary, will be deemed, in each case, to constitute an incurrence of such Indebtedness by the Company or such Restricted
Subsidiary, as the case may be, that was not permitted by this clause (f); 
  
 (g) the incurrence by the Company or any of its Restricted Subsidiaries of Hedging Obligations that are incurred for the purpose of fixing or hedging (i) interest rate risk with respect to any Indebtedness that
is permitted by the terms of the Indenture to be outstanding or (ii) exchange rate risk with respect to obligations under any agreement or Indebtedness, or with respect to any asset, of such Person that is payable or denominated in a currency
other than U.S. Dollars; 
  
 (h) the Guarantee by
the Company or any of the Restricted Subsidiaries of Indebtedness of the Company or a Restricted Subsidiary that was permitted to be incurred by another provision of this Section 4.03; 
  
 (i) the accrual of interest, the accretion or amortization
of original issue discount, the payment of interest on any Indebtedness in the form of additional Indebtedness with the same terms, and the payment of dividends on preferred stock (including Disqualified Stock) in the form of additional shares of
the same class of preferred stock (including Disqualified Stock) will not be deemed to be an incurrence of Indebtedness or an issuance of preferred stock (including Disqualified Stock) for purposes of this Section 4.03; provided, in each such
case, that the amount thereof is included in Fixed Charges of the Company as accrued; 
  
 (j) the issuance of Convertible Subordinated Debentures and/or the issuance of Convertible Preferred Stock in an aggregate principal
amount (with the liquidation value of the Convertible Preferred Stock being treated as its principal amount for this purpose) not to exceed $750.0 million at any one time outstanding pursuant to this clause (j), plus the issuance of any related
securities issued by a subsidiary trust or similar financing vehicle in connection therewith; 
  

 31 

 (k) Indebtedness of the Company or any Restricted Subsidiary consisting of guarantees,
indemnities, hold backs or obligations in respect of purchase price adjustments in connection with the acquisition or disposition of assets, including, without limitation, shares of Capital Stock of Restricted Subsidiaries, or contingent payment
obligations incurred in connection with the acquisition or disposition of assets which are contingent on the performance of the assets acquired or disposed of; 
  

(l) Indebtedness represented by (i) letters of credit for the account of the Company or any Restricted Subsidiary or
(ii) other obligations to reimburse third parties pursuant to any surety bond or other similar arrangements, to the extent that such letters of credit and other obligations, as the case may be, are intended to provide security for workers’
compensation claims, payment obligations in connection with self-insurance, in connection with participation in government reimbursement or other programs or other similar requirements in the ordinary course of business; 
  
 (m) the incurrence by the Company or any Restricted
Subsidiary of Indebtedness to the extent the proceeds thereof are used to purchase Notes pursuant to a Change of Control Offer; and 
  
 (n) the incurrence by the Company or any of its Restricted Subsidiaries of additional Indebtedness (which may include, but is not limited
to, Indebtedness of the types referred to in the foregoing clauses (a) through (m)) in an aggregate principal amount (or accreted value, as applicable) at any time outstanding, including all Permitted Refinancing Indebtedness incurred to
refund, refinance or replace any Indebtedness incurred pursuant to this clause (n), not to exceed $200.0 million. 
  
 (o) the incurrence by the Company and its Restricted Subsidiaries of the Indebtedness under the 364-Day Credit Facility in an aggregate
principal amount at any one time outstanding under this clause (o) not to exceed (a) $1.9 billion minus (b) amounts applied to repay Indebtedness under the 364-day Credit Facility, including with net proceeds from the Concurrent
Financing Transactions; 
  
 (p) Indebtedness of a
Restricted Subsidiary outstanding on the date on which such Restricted Subsidiary was acquired by the Company or otherwise became a Restricted Subsidiary (other than Indebtedness incurred as consideration in, or to provide all or any portion of the
funds or credit support utilized to consummate, the transaction or series of transactions pursuant to which such Restricted Subsidiary became a Subsidiary of the Company or was otherwise acquired by the Company), provided that after giving
effect thereto, (a) the Company would be permitted to incur at least $1 of additional Indebtedness pursuant to the Fixed Charge Coverage Ratio test in the first paragraph above, or (b) the Fixed Charge Coverage Ratio would be no worse than
immediately prior thereto. 
  
 For purposes of determining
compliance with this Section 4.03, in the event that an item of proposed Indebtedness meets the criteria of more than one of the categories of Permitted Debt described in clauses (a) through (n) above, or is entitled to be incurred
pursuant to the first paragraph of this Section 4.03, the Company will be permitted to classify and reclassify such item of Indebtedness in any manner that complies with this Section 4.03. Indebtedness under Credit Facilities outstanding
on the date on which Notes are first issued and authenticated hereunder will be deemed to have been incurred on such date in reliance on the exception provided by clause (a) of the definition of Permitted Debt. The Company will not permit any
of its Subsidiaries (other than Purchasing) to Guarantee the 3.25% 

  

 32 

 
Convertible Senior Debentures due 2035 or any Permitted Refinancing Indebtedness incurred in respect thereof pursuant to clause (5) of the immediately
preceding paragraph, except that any such Permitted Refinancing Indebtedness may be Guaranteed by a Guarantor on a basis subordinated to such Guarantor’s Subsidiary Guarantee. 
  
 Section 4.04. Asset Sales. The Company shall not, and shall not permit any of the Restricted Subsidiaries to,
consummate an Asset Sale unless: 
  
 (a) the
Company (or the Restricted Subsidiary, as the case may be) receives consideration at the time of the Asset Sale at least equal to the fair market value of the assets or Equity Interests issued or sold or otherwise disposed of; 
  
 (b) the fair market value is determined by the
Company’s Board of Directors and evidenced by a resolution of the Board of Directors; and 
  
 (c) at least 70% of the consideration received in the Asset Sale by the Company or such Restricted Subsidiary is in the form of cash, Cash
Equivalents and/or Replacement Assets. For purposes of this provision, each of the following will be deemed to be cash: 
  
 (i) any liabilities, as shown on the Company’s or such Restricted Subsidiary’s most recent balance sheet, of the Company or any
Restricted Subsidiary (other than contingent liabilities and liabilities that are by their terms subordinated to the Notes or any Subsidiary Guarantee) that are assumed by the transferee of any such assets and from which the Company or such
Restricted Subsidiary is released from further liability; and 
  
 (ii) any securities, notes or other obligations received by the Company or any such Restricted Subsidiary from such transferee that are converted by the Company or such Restricted Subsidiary into cash within 60 days
of receipt, to the extent of the cash received in that conversion. 
  
 Within 360 days after the receipt of any Net Proceeds from an Asset Sale, the Company or a Restricted Subsidiary may apply those Net Proceeds at its option: 
  
 (a) to repay Senior Debt; 
  
 (b) to acquire all or substantially all of the assets of, or a majority of the Voting Stock of, another Permitted Business; 
  
 (c) to make a capital expenditure; 
  
 (d) to acquire Replacement Assets; or 
  
 (e) to acquire other long-term assets that are used or useful in a Permitted
Business. 
  
 The Company or the relevant Restricted Subsidiary will be deemed to
have complied with the immediately preceding sentence with respect to any such Net Proceeds if it enters into a binding agreement to make an acquisition or capital expenditure permitted pursuant to clause (b), (c), (d) or (e) of 

  

 33 

 
the immediately preceding sentence in an amount equal to such Net Proceeds within such 360 days; provided that, if the relevant acquisition or capital
expenditure is not consummated or completed, as the case may be, within the later of (x) 360 days after the receipt of the relevant Net Proceeds and (y) 90 days after the date of such binding agreement, such Net Proceeds will constitute
“Excess Proceeds.” Pending the final application of any Net Proceeds, the Company or the Restricted Subsidiary may temporarily invest the Net Proceeds in any manner that is not prohibited by the Indenture. 
  
 Any Net Proceeds from Asset Sales that are not applied or invested as
provided in the preceding paragraph will constitute “Excess Proceeds.” When the aggregate amount of Excess Proceeds exceeds $50.0 million, the Company shall make an offer ( an “Asset Sale Offer”) to all Holders of
Notes and all holders of other Indebtedness that is pari passu with the Notes containing provisions similar to those set forth herein with respect to offers to purchase or redeem with the proceeds of sales of assets to purchase the maximum
principal amount of Notes and such other pari passu Indebtedness that may be purchased out of the Excess Proceeds. The offer price in any Asset Sale Offer will be equal to 100% of principal amount plus accrued and unpaid interest, if any, to
the date of purchase, and will be payable in cash. If any Excess Proceeds remain after consummation of an Asset Sale Offer, the Company may use those Excess Proceeds for any purpose not otherwise prohibited by the Indenture. If the aggregate
principal amount of notes and other pari passu Indebtedness tendered into such Asset Sale Offer exceeds the amount of Excess Proceeds, the Trustee will select the Notes and such other pari passu Indebtedness to be purchased on a pro
rata basis. Upon completion of each Asset Sale Offer, the amount of Excess Proceeds will be reset at zero. 
  
 The Company will comply with the requirements of Rule 14e-1 under the Exchange Act and any other securities laws and regulations thereunder to the extent
those laws and regulations are applicable in connection with each repurchase of Notes pursuant to an Asset Sale Offer. To the extent that the provisions of any securities laws or regulations conflict with Section 3.03 of this Fifth Supplemental
Indenture or this Section 4.04, the Company will comply with the applicable securities laws and regulations and will not be deemed to have breached its obligations under Section 3.03 of this Fifth Supplemental Indenture or this
Section 4.04, by virtue of such conflict. 
  
 Section 4.05. Transactions with Affiliates. The Company shall not, and shall not permit any of its Restricted Subsidiaries to, make any payment to, or sell, lease, transfer or otherwise dispose of any of its properties or assets
to, or purchase any property or assets from, or enter into or make or amend any transaction, contract, agreement, understanding, loan, advance or Guarantee with, or for the benefit of, any Affiliate (each, an “Affiliate
Transaction”), unless: 
  
 (a) the
Affiliate Transaction is on terms that are no less favorable to the Company or the relevant Restricted Subsidiary than those that would have been obtained in a comparable transaction by the Company or such Restricted Subsidiary with an unrelated
Person; and 
  
 (b) with respect to any Affiliate
Transaction or series of related Affiliate Transactions involving aggregate consideration in excess of $50.0 million, the Company delivers to the Trustee a resolution of the Company’s Board of Directors set forth in an officers’
certificate certifying that such Affiliate Transaction complies with this Section 4.05 and that such Affiliate Transaction has been approved by a majority of the disinterested members of the Company’s Board of Directors, or an opinion as
to the fairness to the Holders of such Affiliate Transaction from a financial point of view issued by an accounting, appraisal or investment banking firm of national standing in the United States. 
  

 34 

 The following items will not be deemed to be Affiliate Transactions and, therefore, will not be subject
to the provisions of the prior paragraph: 
  
 (a) directors’
fees, indemnification and similar arrangements, consulting fees, employee salaries, bonuses or employment agreements, compensation, retirement, disability, severance or employee benefit arrangements and incentive arrangements with, and loans and
advances to, any officer, director or employee in the ordinary course of business; 
  
 (b) performance of all agreements in existence on the Issue Date and any modification thereto or any transaction contemplated thereby in any replacement agreement therefor so long as such modification or replacement
is not materially more disadvantageous to the Company or any of its Restricted Subsidiaries than the original agreement in effect on the Issue Date; 
  
 (c) transactions in connection with a financing transaction involving a sale or other disposition of accounts receivable and related assets (including,
without limitation, in connection with a securitization or similar financing) or in connection with a financing involving a subsidiary trust or similar financing vehicle that is permitted by Section 4.03 of this Fifth Supplemental Indenture;

  
 (d) transactions in the ordinary course of business with any
joint venture that is otherwise permitted by the Indenture; provided, that such joint venture is between or among the Company and/or any of its Subsidiaries on the one hand and third parties that are not otherwise Affiliates of the Company on
the other hand; 
  
 (e) transactions between or among the Company
and/or its Restricted Subsidiaries; 
  
 (f) transactions with a
Person (other than an Unrestricted Subsidiary) that is an Affiliate of the Company solely because the Company or a Restricted Subsidiary owns an Equity Interest in, or controls, such Person; 
  
 (g) sales of Equity Interests (other than Disqualified Stock) to Affiliates
of the Company; and 
  
 (h) Restricted Payments that are permitted
by Section 4.01 of this Fifth Supplemental Indenture. 
  
 Section 4.06. Liens. The Company shall not, and shall not permit any of its Restricted Subsidiaries to, directly or indirectly, create, incur, assume or suffer to exist any Lien of any kind securing pari passu or
subordinated Indebtedness, or trade payables on any asset now owned or hereafter acquired, except Permitted Liens, unless (a) in the case of any Lien securing pari passu Indebtedness, the Notes are secured by a Lien that is senior in
priority to or pari passu with such Lien and (b) in the case of any Lien securing subordinated Indebtedness, the Notes are secured by a Lien that is senior in priority to such Lien. 
  
 Section 4.07. Offer to Repurchase Upon Change of Control. If a
Change of Control occurs, each Holder of Notes will have the right to require the Company to repurchase all or any part (equal to $1,000 or an integral multiple of $1,000) of that Holder’s Notes pursuant to a Change of Control Offer on the
terms set forth herein. In the Change of Control Offer, the Company will offer a Change of 

  

 35 

 
Control Payment in cash equal to 101% of the aggregate principal amount of Notes repurchased plus accrued and unpaid interest, if any, on the Notes
repurchased, to the date of purchase. Within 30 days following any Change of Control, the Company will mail a notice to each Holder describing the transaction or transactions that constitute the Change of Control and offering to repurchase Notes on
the Change of Control Payment Date specified in the notice, which date will be no earlier than 30 days and no later than 60 days from the date such notice is mailed, pursuant to the procedures required hereby and described in such notice. The
Company will comply with the requirements of Rule 14e-1 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and any other securities laws and regulations thereunder to the extent those laws and regulations
are applicable in connection with the repurchase of the Notes as a result of a Change of Control. To the extent that the provisions of any securities laws or regulations conflict with the Change of Control provisions hereof, the Company will comply
with the applicable securities laws and regulations and will not be deemed to have breached its obligations under this Section 4.07 by virtue of such conflict. 
  
 On the Change of Control Payment Date, the Company will, to the extent lawful: 
  
 (a) accept for payment all Notes or portions of Notes
properly tendered pursuant to the Change of Control Offer; 
  
 (b) deposit with the Paying Agent an amount equal to the Change of Control Payment in respect of all Notes or portions of Notes properly tendered; and 
  
 (c) deliver or cause to be delivered to the Trustee the Notes properly accepted together with an
Officers’ Certificate stating the aggregate principal amount of Notes or portions of Notes being purchased by the Company. 
  
 The Paying Agent will promptly mail to each Holder of Notes properly tendered the Change of Control Payment for such Notes, and the Trustee will promptly
authenticate and mail (or cause to be transferred by book entry) to each Holder a new Note equal in principal amount to any unpurchased portion of the Notes surrendered, if any; provided that each new Note will be in a principal amount of
$1,000 or an integral multiple of $1,000. 
  
 Prior to complying
with any of the provisions of this Section 4.07, but in any event within 90 days following a Change of Control, the Company will either repay all outstanding Senior Debt or obtain the requisite consents, if any, under all agreements governing
outstanding Senior Debt to permit the repurchase of Notes required by this Section 4.07. The Company will publicly announce the results of the Change of Control Offer on or as soon as practicable after the Change of Control Payment Date.

  
 Notwithstanding anything to the contrary in this
Section 4.07, the Company will not be required to make a Change of Control Offer upon a Change of Control if a third party makes the Change of Control Offer in the manner, at the times and otherwise in compliance with the requirements set forth
in this Section 4.07 and all other provisions of the Indenture applicable to a Change of Control Offer made by the Company and purchases all Notes properly tendered and not withdrawn under the Change of Control Offer. 
  
 Section 4.08. No Senior Subordinated Debt. The Company shall not
incur, create, issue, assume, Guarantee or otherwise become liable for any Indebtedness that is subordinate or junior in right of payment to any Senior Debt of the Company and senior in any respect in right of payment to the Notes. No Guarantor will
incur, create, issue, assume, guarantee or otherwise become liable for any Indebtedness that is subordinate or junior in right of payment to the Senior Debt of such Guarantor and senior in any respect in right of payment to such Guarantor’s
Subsidiary Guarantee. 
  

 36 

 Section 4.09. Additional Subsidiary Guarantees. If the Company or any of its Restricted
Subsidiaries acquires or creates another Domestic Subsidiary after the Issue Date, then that newly acquired or created Domestic Subsidiary (other than an Excluded Subsidiary) will become a Guarantor and execute a supplemental indenture and deliver
an opinion of counsel satisfactory to the Trustee within 10 business days after the end of the fiscal quarter in which it was acquired or created. 
  
 Section 4.10. Activities of Purchasing. Purchasing and its Subsidiaries (if any) will not engage in any activities other than the type of
business conducted by Purchasing on the Issue Date and any activities incidental thereto and will not hold any assets not related to such business or incidental activities. 
  
 Section 4.11. Designation of Restricted and Unrestricted Subsidiaries. The Board of Directors of the Company may
designate any Restricted Subsidiary to be an Unrestricted Subsidiary if that designation would not cause a Default. If a Restricted Subsidiary is designated as an Unrestricted Subsidiary, the aggregate fair market value of all outstanding
Investments owned by the Company and its Restricted Subsidiaries in the Subsidiary so designated will be deemed to be an Investment made as of the time of the designation and will reduce the amount available for Restricted Payments under the first
paragraph of Section 4.01 or Permitted Investments, as determined by the Company. That designation will only be permitted if the Investment would be permitted at that time and if the Restricted Subsidiary otherwise meets the definition of an
Unrestricted Subsidiary. The Board of Directors of the Company may re-designate any Unrestricted Subsidiary to be a Restricted Subsidiary if the redesignation would not cause a Default. 
  
 Section 4.12. Covenant Removal. From and after the first date on which both (a) the Notes are rated
Investment Grade by each of Moody’s Investor Service, Inc. (“Moody’s”) and Standard & Poor’s Ratings Group (“S&P”) and (b) there shall not exist a Default or Event of Default under
the Indenture (a “Rating Event”), the Company and the Restricted Subsidiaries will no longer be subject to Sections 4.01, 4.02, 4.03 (including the application of such Section 4.03 to the designation of an Unrestricted
Subsidiary as a Restricted Subsidiary), 4.04, 4.05, 4.09, and clause (d) of the first paragraph of Section 5.01 of this Fifth Supplemental Indenture. Upon the occurrence of a Rating Event, the Subsidiary Guarantees of each of the
Guarantors will be automatically released. 
  
 In addition, at no
time after a Rating Event will the provisions and covenants contained herein at the time of issuance of the Notes that cease to be applicable after the Rating Event be reinstated. 
  
 In the event Moody’s or S&P is no longer in existence or issuing ratings, such organization may be replaced by a
nationally recognized statistical rating organization (as defined in Rule 436 under the Securities Act) designated by the Company with notice to the Trustee and the foregoing provisions will apply to the rating issued by the replacement rating
agency. 
  
 Section 4.13. Reports. Whether or not
required by the Commission, so long as any notes are outstanding, the Company will furnish to the Holders of notes and file with the Commission (unless the Commission will not accept such filing), within the time periods specified in the
Commission’s rules and regulations: 
  
 (a)
all quarterly and annual financial information that would be required to be contained in a filing with the Commission on Forms 10-Q and 10-K if the Company were 

  

 37 

 
required to file such Forms, including a “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and, with
respect to the annual information only, a report on the annual financial statements by the Company’s certified independent accountants; and 
  
 (b) all current reports that would be required to be filed with the Commission on Form 8-K if the Company were required to file such
reports; 
  
 provided, that any information accepted for filing with the
Commission shall be deemed to have been furnished to Holders of the notes. 
  
 The
Company shall at all times comply with TIA §314(a). 
  
 ARTICLE V 
  
 SUCCESSOR CORPORATION

  
 The Notes shall not be subject to Article 5 of the Base
Indenture. In lieu thereof, the Notes shall be subject to the following provisions of this Article V: 
  
 Section 5.01. Merger, Consolidation or Sale of Assets. The Company shall not, directly or indirectly: (1) consolidate or merge with or
into another Person (whether or not the Company is the surviving corporation); or (2) sell, assign, transfer, convey or otherwise dispose of all or substantially all of the properties or assets of the Company and its Restricted Subsidiaries
taken as a whole, in one or more related transactions, to another Person; unless: 
  
 (a) either: (i) the Company is the surviving corporation; or (ii) the Person formed by or surviving any such consolidation or
merger (if other than the Company) or to which such sale, assignment, transfer, conveyance or other disposition has been made is a corporation organized or existing under the laws of the United States, any state of the United States or the District
of Columbia; 
  
 (b) the Person formed by or
surviving any such consolidation or merger (if other than the Company) or the Person to which such sale, assignment, transfer, conveyance or other disposition has been made assumes all the obligations of the Company under the Notes and the Indenture
pursuant to agreements reasonably satisfactory to the Trustee; 
  
 (c) immediately after such transaction, on a pro forma basis giving effect to such transaction or series of transactions (and treating any obligation of the Company or any Restricted Subsidiary incurred in connection
with or as a result of such transaction or series of transactions as having been incurred at the time of such transaction), no Default or Event of Default exists; and 
  
 (d) the Company or the Person formed by or surviving any such consolidation or merger (if other than the
Company), or to which such sale, assignment, transfer, conveyance or other disposition has been made, will, on the date of such transaction after giving pro forma effect thereto and any related financing transactions as if the same had occurred at
the beginning of the applicable four-quarter period, be permitted to incur at least $1.00 of additional Indebtedness pursuant to the Fixed Charge Coverage Ratio test set forth in 

  

 38 

 
the first paragraph of Section 4.03 of this Fifth Supplemental Indenture or (b) have a Fixed Charge Cover Ratio that is no worse than the Fixed
Charge Cover Ratio of the Company for such applicable four-quarter period without giving pro forma effect to such transactions and the related financing transactions. 
  
 In addition, the Company may not, directly or indirectly, lease all or substantially all of the properties or assets of the
Company and its Restricted Subsidiaries, taken as a whole, in one or more related transactions, to any other Person. This Section 5.01 will not apply to a sale, assignment, transfer, conveyance or other disposition of assets between or among
the Company and any of the Guarantors. 
  
 Section 5.02.
Successor Corporation Substituted. Upon any consolidation or merger, or any sale, assignment, transfer, conveyance, transfer or other disposition of all or substantially all of the properties or assets of the Company and its Restricted
Subsidiaries, taken as a whole, in accordance with the provisions of Section 5.01 of this Fifth Supplemental Indenture, the successor Person formed by such consolidation or into which the Company is merged or to which such sale, assignment,
transfer, conveyance or other disposition is made, shall succeed to, and be substituted for, and may exercise every right and power of, the Company under the Indenture with the same effect as if such successor had been named as the Company therein.
When a successor assumes all the obligations of its predecessor under the Indenture and the Notes following a consolidation or merger, or any sale, assignment, transfer, conveyance, transfer or other disposition of all or substantially all of the
assets of the predecessor in accordance with the foregoing provisions, the predecessor shall be released from those obligations. 
  
 ARTICLE VI 
  
 DEFAULTS 
  
 The Notes shall not be subject to Section 6.01 or Section 6.02 of the Base Indenture. In lieu thereof, the Notes shall be subject to the following provisions of Section 6.01 and Section 6.02 of this Fifth Supplemental
Indenture: 
  
 Section 6.01. Events of Default. An
“Event of Default” occurs if: 
  
 (a)
the Company defaults in the payment when due of interest on the Notes and such default continues for a period of 30 days, whether or not such payment is prohibited by Article 11 of the Base Indenture; 
  
 (b) the Company defaults in the payment when due of
principal of or premium, if any, on the Notes when the same becomes due and payable at maturity, upon redemption (including in connection with an offer to purchase) or otherwise, whether or not such payment is prohibited by Article 11 of the Base
Indenture; 
  
 (c) the Company or any of its
Restricted Subsidiaries fails to comply with any of the provisions of Sections 4.04, 4.07 or 5.01 of this Fifth Supplemental Indenture; 
  
 (d) the Company or any of its Restricted Subsidiaries fails to observe or perform any other covenant or other agreement in the Indenture
or the Notes for 60 days after notice to the Company by the Trustee or the Holders of at least 25% aggregate principal amount of the Notes then outstanding voting as a single class; 
  

 39 

 (e) the Company or any of its Restricted Subsidiaries defaults under any mortgage,
indenture or instrument under which there may be issued or by which there may be secured or evidenced any Indebtedness for money borrowed by the Company or any of its Restricted Subsidiaries (or the payment of which is guaranteed by the Company or
any of its Restricted Subsidiaries) whether such Indebtedness or Guarantee exists as of the Issue Date, or is created after the date of the Issue Date, if that default: 
  
 (i) is caused by a failure to pay principal of, at its final stated maturity after giving effect to any
grace period provided in such Indebtedness on the date of such default (a “Payment Default”); or 
  
 (ii) results in the acceleration of such Indebtedness prior to its express maturity, 
  
 and, in each case, the principal amount of any such Indebtedness, together with the principal
amount of any other such Indebtedness under which there has been a Payment Default or the maturity of which has been so accelerated, aggregates $70.0 million or more; 
  
 (f) the Company or any of its Restricted Subsidiaries fail to pay final, non-appealable judgments
aggregating in excess of $70.0 million that are not covered by insurance or as to which an insurer has not acknowledged coverage in writing, which judgments are not paid, discharged or stayed for a period of 60 days; 
  
 (g) the Company or any of its Restricted Subsidiaries that
is a Significant Subsidiary pursuant to or within the meaning of Bankruptcy Law: 
  
 (i) commences a voluntary case, 
  
 (ii) consents to the entry of an order for relief against it in an involuntary case, 
  
 (iii) consents to the appointment of a custodian of it or
for all or substantially all of its property, 
  
 (iv) makes a general assignment of the benefit of its creditors, or 
  
 (v) generally is not paying its debts as they become due; 
  
 (h) a court of competent jurisdiction enters an order or decree under any Bankruptcy Law that: 
  
 (i) is for relief against the Company or any of its
Restricted Subsidiaries that is a Significant Subsidiary in an involuntary case; 
  
 (ii) appoints a custodian of the Company or any of its Restricted Subsidiaries or for all or substantially all of the property of the
Company or any of its Restricted Subsidiaries that is a Significant Subsidiary; or 
  
 (iii) orders the liquidation of the Company or any of its Restricted Subsidiaries that is a Significant Subsidiary; 
  

 40 

 and the order or decree remains unstayed and in effect for 60 consecutive days; or 
  
 (i) except as permitted by the Indenture, any Subsidiary
Guarantee shall be held in any final, non-appealable judicial proceeding to be unenforceable or invalid or shall cease for any reason to be in full forced and effect or any Guarantor, or any Person acting on behalf of any Guarantor, shall deny or
disaffirm its obligations under its Subsidiary Guarantee (unless such Guarantor could be designated as an Excluded Subsidiary). 
  
 A Default under clause (d) is not an Event of Default in respect of the Notes until the Trustee or the Holders of at least 25% in principal amount of
the notes then outstanding notify the Company of the Default and the Company does not cure such default within the time specified after receipt of such notice. Such notice must specify the Default, demand that it be remedied and state that such
notice is a “Notice of Default”. 
  
 Section 6.02.
Acceleration. If any Event of Default (other than an Event of Default specified in clause (g) or (h) of Section 6.01 of this Fifth Supplemental Indenture with respect to the Company) occurs and is continuing, the Trustee or the
Holders of at least 25% in principal amount of the then outstanding Notes may declare all the Notes to be due and payable immediately. Upon any such declaration, the Notes shall become due and payable immediately. Notwithstanding the foregoing, if
an Event of Default specified in clause (g) or (h) of Section 6.01 of this Fifth Supplemental Indenture occurs with respect to the Company, all outstanding Notes shall be due and payable immediately without further action or notice.
The Holders of a majority in aggregate principal amount of the then outstanding Notes by written notice to the Trustee may on behalf of all of the Holders rescind an acceleration and its consequences if all existing Events of Default (except
nonpayment of principal, interest or premium that has become due solely because of the acceleration) have been cured or waived. 
  
 Section 6.03. Applicability of Certain Other Provisions. The Notes shall be subject to Sections 6.03 through 6.11 of the Base Indenture,
except that the reference in Section 6.08 of the Base Indenture to clauses (a) or (b) of Section 6.01 of the Base Indenture shall be changed to clauses (a) or (b) of Section 6.01 of this Fifth Supplemental
Indenture. 
  
 Section 6.04. Notice.
Upon becoming aware of any Default or Event of Default, the Company shall deliver to the Trustee a statement specifying such Default or Event of Default. 
  
 ARTICLE VII 
  
 AMENDMENT, SUPPLEMENT AND WAIVER 
  
 Section 7.01. Applicability of Certain Provisions. The Notes shall be subject to Article 9 of the Base Indenture, except that: 
  
 (i) Section 9.01(j) of the Base Indenture shall not apply to the Notes; 
  
 (ii) Section 9.02 of the Base Indenture shall be
changed to insert the words “(including Sections 3.03, 4.04 and 4.07 of the Fifth Supplemental Indenture to this Indenture)” after the words “... the Company and the Trustee may amend this Indenture” in the first sentence
thereof; and 
  

 41 

 (iii) Section 9.02 of the Base Indenture shall be changed to remove clauses
(a) through (e) thereof and insert the following in place thereof: 
  
 (a) reduce the principal amount of Notes whose Holders must consent to an amendment, supplement or waiver; 
  
 (b) reduce the principal of or change the fixed maturity of any Note or alter any of the provisions with respect to the redemption of the
Notes except as provided above with respect to Sections 3.03, 4.04 and 4.07 of the Fifth Supplemental Indenture to this Indenture and other than notice provisions with respect to any optional redemption by the Company; 
  
 (c) reduce the rate of or change the time for payment of
interest, including default interest, on any Note; 
  
 (d) waive a Default or Event of Default in the payment of principal of, or interest or premium on the Notes (except a rescission of acceleration of the Notes by the Holders of at least a majority in aggregate principal amount of the then
outstanding Notes and a waiver of the payment default that resulted from such acceleration); 
  
 (e) make any Note payable in money other than that stated in the Notes; 
  
 (f) make any change in the provisions of this Indenture relating to waivers of past Defaults or the rights
of Holders of Notes to receive payments of principal of or interest or premium on the Notes; 
  
 (g) waive a redemption payment with respect to any note (other than a payment required by Sections 3.03, 4.04 or 4.07 of the Fifth
Supplemental Indenture to this Indenture); 
  
 (h) release any Guarantor from any of its obligations under its Subsidiary Guarantee or this Indenture, except in accordance with the terms of this Indenture; or 
  
 (i) make any change in the preceding amendment and waiver provisions. 
  
 Notwithstanding the foregoing, any amendment to, or waiver of, the provisions
of this Indenture relating to subordination that adversely affects the rights of Holders of the Notes shall require the consent of the Holders of at least 66 2/3% in aggregate principal amount of Notes then outstanding. Section 2.10 of the Base Indenture shall determine which Notes are considered to be “outstanding” for purposes of this
Section 9.02. 
  
 ARTICLE VIII 
  
 NO SINKING FUND 
  
 Section 8.01. Applicability of Certain Provisions. The Notes
shall not be subject to Article 10 of the Base Indenture. 
  

 42 

 ARTICLE IX 
  

LEGAL DEFEASANCE AND COVENANT DEFEASANCE 
  
 Section 9.01. Applicability of Certain Provisions. The Notes shall be subject to Article 8 of the Base Indenture, except that: 
  
 (a) the portions of the Indenture from which the Company and
the Guarantors shall be released upon Covenant Defeasance pursuant to Section 8.03 of the Base Indenture shall, in addition to Section 4.06 and Article 12 of the Base Indenture, also include Sections 3.03 and 4.01 through 4.11 and Articles
V and X of this Fifth Supplemental Indenture, and shall not include Article 5 of the Base Indenture; 
  
 (b) the provisions of the Indenture which, upon Covenant Defeasance, shall not constitute Events of Default shall include Sections
6.01(c), (d), (e), (f) and (i) of this Fifth Supplemental Indenture and shall not include Sections 6.01 (c), (d) and (g) of the Base Indenture; and 
  
 (c) Section 8.04 of the Base Indenture shall be amended by adding the following additional conditions:

  
 “(d) no Default or Event of Default has
occurred and is continuing on the date of such deposit (other than a Default or Event of Default resulting from the borrowing of funds to be applied to such deposit); 
  
 (e) such Legal Defeasance or Covenant Defeasance will not result in a breach or violation of, or constitute
a default under any material agreement or instrument (other than the Indenture) to which the Company or any of its Subsidiaries is a party or by which the Company or any of its Subsidiaries is bound; 
  
 (f) the Company must deliver to the Trustee an
Officers’ Certificate stating that the deposit was not made by the Company with the intent of preferring the Holders of Notes over the other creditors of the Company with the intent of defeating, hindering, delaying or defrauding creditors of
the Company or others; and 
  
 (g) the Company
must deliver to the Trustee an Officers’ Certificate and an Opinion of Counsel, each stating that all conditions precedent relating to the Legal Defeasance or the Covenant Defeasance have been complied with or waived.” 
  
 ARTICLE X 
  
 SUBSIDIARY GUARANTEES 
  
 Section 10.01. Subsidiary Guarantees. The Notes shall be guaranteed by each of the Guarantors (each a “Subsidiary Guarantee”)
in accordance with the provisions of Article 12 of the Base Indenture and the provisions of this Article X. 
  

 43 

 Section 10.02. Subsidiary Guarantors May Consolidate, etc., on Certain Terms. A Guarantor may
not sell or otherwise dispose of all or substantially all of its assets to, or consolidate with or merge with or into (whether or not such Guarantor is the surviving Person), another Person, other than the Company or another Guarantor, unless:

  
 (a) immediately after giving effect to that
transaction, no Default or Event of Default exists; and 
  
 (b) subject to the provisions of Section 10.03 of this Fifth Supplemental Indenture, the Person acquiring the property in any such sale or disposition or the Person formed by or surviving any such consolidation
or merger assumes all the obligations of that Guarantor under the Indenture and its Subsidiary Guarantee pursuant to a supplemental indenture satisfactory to the Trustee. 
  
 In case of any such consolidation, merger, sale or conveyance and upon the assumption by the successor Person, by
supplemental indenture, executed and delivered to the Trustee and satisfactory in form to the Trustee, of the Subsidiary Guarantee and the due and punctual performance of all of the covenants and conditions of the Indenture to be performed by the
Guarantor, such successor Person shall succeed to and be substituted for the Guarantor with the same effect as if it had been named herein as a Guarantor. All the Subsidiary Guarantees so issued shall in all respects have the same legal rank and
benefit under the Indenture as the Subsidiary Guarantees theretofore and thereafter issued in accordance with the terms of this Indenture as though all of such Subsidiary Guarantees had been issued at the date of the execution of this Fifth
Supplemental Indenture. 
  
 Except as set forth in Articles IV and
V of this Fifth Supplemental Indenture, and notwithstanding clauses (a) and (b) above, nothing contained in the Indenture or in any of the Notes shall prevent any consolidation or merger of a Guarantor with or into the Company or another
Guarantor, or shall prevent any sale or conveyance of the property of a Guarantor as an entirety or substantially as an entirety to the Company or another Guarantor. 
  
 Section 10.03. Releases. The Subsidiary Guarantee of a Guarantor will be released, and any Person acquiring
assets (including by way of merger or consolidation) or Capital Stock of a Guarantor shall not be required to assume the obligations of any such Guarantor: 
  
 (a) in connection with any sale or other disposition of all or substantially all of the assets of that Guarantor (including by way of
merger or consolidation) to a Person that is not (either before or after giving effect to such transaction) a Restricted Subsidiary, if the sale complies with Sections 3.03 and 4.04 of this Fifth Supplemental Indenture; 
  
 (b) in connection with any sale of all of the Capital Stock
of a Guarantor to a Person that is not (either before or after giving effect to such transaction) a Restricted Subsidiary, if the sale complies with Sections 3.03 and 4.04 of this Fifth Supplemental Indenture; 
  
 (c) if the Company designates any Restricted Subsidiary that
is a Guarantor to be an Unrestricted Subsidiary or an Excluded Subsidiary in accordance with the requirements of this Fifth Supplemental Indenture; 
  
 (d) if any Guarantor is otherwise no longer obligated to provide a Subsidiary Guarantee pursuant to this Indenture; or 
  

 44 

 (e) at such time as 90% or more of the 3.25% Convertible Senior Debentures due 2035 are
no longer outstanding, if such Guarantor’s guarantee of any obligations under the Credit Agreement, or if the Credit Agreement is no longer outstanding, any other Indebtedness of the Company, is fully and unconditionally released, except that
such Guarantor shall subsequently be required to become a Guarantor by executing a supplemental indenture and providing the Trustee with an Officers’ Certificate and Opinion of Counsel at such time as it guarantees any obligations under the
Credit Agreement, or if the Credit Agreement is no longer outstanding, any other Indebtedness of the Company. 
  
 Section 10.04. Amendment to Section 12.03. Section 12.03 of the Base Indenture shall be amended by adding the following sentence at
the end of the paragraph: 
  
 “For the avoidance of doubt,
the provisions of Section 11.05 of the Base Indenture apply in respect of any payments received by the Trustee or a Holder pursuant to a Subsidiary Guarantee of the Notes only to Senior Debt of the relevant Guarantor and not to Senior Debt of
the Company (including the 3.25% Convertible Senior Debentures due 2035).” 
  
 ARTICLE XI 
  
 SATISFACTION AND DISCHARGE 
  
 Section 11.01.
Applicability of Certain Provisions. The Notes shall be subject to Article 13 of the Base Indenture, except that Section 13.01 of the Base Indenture shall be amended to add the following provisions after paragraph (c) thereof:

  
 “(d) no Default or Event of Default has occurred and is
continuing on the date of the deposit or will occur as a result of the deposit and the deposit will not result in a breach or violation of, or constitute a default under, any other instrument to which the Company or any Guarantor is a party or by
which the Company or any Guarantor is bound; and 
  
 (e) the
Company has delivered irrevocable instructions to the Trustee under the Indenture to apply the deposited money toward the payment of the Notes at maturity or the redemption date, as the case may be.” 
  
 ARTICLE XII 
  
 MISCELLANEOUS 
  
 Section 12.01. Scope of this Fifth Supplemental Indenture. The
changes, modifications and supplements to the Indenture effected by this Fifth Supplemental Indenture shall only be applicable with respect to, and govern the terms of, the Notes and shall not apply to any other Securities that may be issued by the
Company under the Indenture. 
  
 Section 12.02.
Ratification of Indenture. The Indenture, as supplemented by this Fifth Supplemental Indenture, is in all respects ratified and confirmed, and this Fifth Supplemental Indenture shall be deemed part of the Indenture in the manner and to the
extent herein and therein provided. 
  

 45 

 Section 12.03. Trustee Not Responsible for Recitals. The recitals therein contained are made
by the Company and not by the Trustee, and the Trustee assumes no responsibility for the correctness thereof. The Trustee makes no representation as to the validity or sufficiency of this Fifth Supplemental Indenture. 
  
 Section 12.04. Separability. In case any one or more of the
provisions contained in this Fifth Supplemental Indenture or in the Notes shall for any reason be held to be invalid, illegal or unenforceable in any respect, such invalidity, illegality or unenforceability shall not affect any other provisions of
this Fifth Supplemental Indenture or of the Notes, but this Fifth Supplemental Indenture and the Notes shall be construed as if such invalid or illegal or unenforceable provision had never been contained herein or therein. 
  
 Section 12.05. Counterparts. This Fifth Supplemental Indenture
may be executed in any number of counterparts each of which shall be an original; but such counterparts shall together constitute but one and the same instrument. 
  
 Section 12.06. GOVERNING LAW. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE
THIS FIFTH SUPPLEMENTAL INDENTURE AND THE NOTES, WITHOUT GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICT OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY. 
  

 46 

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

			
	 OMNICARE, INC.

		
	 By:
	 	 /s/ Joel F. Gemunder

	 Name:
	 	 Joel F. Gemunder

	 Title:
	 	 President and Chief Executive Officer

	
	 SUNTRUST BANK, as Trustee

		
	 By:
	 	 /s/ Patricia Spruell

	 Name:
	 	 Patricia Spruell

	 Title:
	 	 Vice President

	
	 [GUARANTOR SIGNATURES BEGIN ON FOLLOWING PAGE]

  

 47 

 IN WITNESS WHEREOF, each of the undersigned has executed and delivered this Consent of Guarantors as of
December 15, 2005. 
  
 On Behalf of: 

 
 CARE PHARMACEUTICAL SERVICES, LP 
  
 PRN PHARMACEUTICAL SERVICES, LP 
  

 48 

			
	OMNICARE INDIANA PARTNERSHIP HOLDING COMPANY LLC, as General Partner
		
	By:	 	 /s/ Bradley S. Abbott

	Name:	 	Bradley S. Abbott
	Title:	 	Treasurer

  

 49 

 On Behalf of: 
  
 OMNICARE PHARMACY OF FLORIDA, LP 
  
 OMNICARE PHARMACY OF TEXAS 1, LP 
  
 OMNICARE PHARMACY OF TEXAS 2, LP 
  

 50 

			
	PHARMACY HOLDING #2, LLC, as General Partner
		
	 By:
	 	 /s/ Bradley S. Abbott

	 Name:
	 	Bradley S. Abbott
	 Title:
	 	Treasurer

  

 51 

 On Behalf of: 
  
 OMNICARE PURCHASING COMPANY LP 
  

 52 

			
	OMNICARE PURCHASING COMPANY GENERAL PARTNER, INC., as General Partner
		
	 By:
	 	 /s/ Bradley S. Abbott

	 Name:
	 	 Bradley S. Abbott

	 Title:
	 	 Treasurer

  

 53 

 On Behalf of: 
  
 BACH’S PHARMACY SERVICES, LLC 
  
 BADGER ACQUISITION LLC 
  
 BADGER ACQUISITION OF BROOKSVILLE LLC 
  
 BADGER
ACQUISITION OF KENTUCKY LLC 
  
 BADGER ACQUISITION OF MINNESOTA LLC 

 
 BADGER ACQUISITION OF ORLANDO LLC 
  
 BADGER ACQUISITION OF TAMPA LLC 
  
 BADGER ACQUISITION OF TEXAS LLC 
  
 BPNY ACQUISITION CORP. 
  
 BPTX ACQUISITION CORP. 
  
 CP ACQUISITION CORP. 
  
 LCPS ACQUISITION, LLC 
  
 LOBOS ACQUISITION, LLC

  
 OFL CORP. 
  
 OMNICARE CANADIAN HOLDINGS, INC. 
  
 OMNICARE PHARMACY OF COLORADO, LLC 
  
 OMNICARE PHARMACY OF MASSACHUSETTS LLC 
  
 OMNICARE PHARMACY OF TENNESSEE, LLC 
  
 PHARMACY CONSULTANTS, INC. 
  
 RXC ACQUISITION COMPANY 
  
 SPECIALIZED PATIENT
CARE SERVICES, INC. 
  

 54 

			
	 /s/ L. Tracy Finn

	Name:	 	L. Tracy Finn
	Title:	 	President

  

 55 

 On Behalf of: 
  
 ACCU-MED SERVICES LLC 
  
 ACCU-MED SERVICES OF WASHINGTON LLC 
  
 ALACRITAS BIOPHARMA INC. 
  
 AMBLER ACQUISITION COMPANY LLC 
  
 AMC-NEW YORK,
INC. 
  
 AMC-TENNESSEE, INC. 
  
 APS ACQUISITION LLC 
  
 BADGER ACQUISITION OF OHIO LLC 
  
 BEACHWOOD HEALTHCARE MANAGEMENT, INC. 
  
 BIO-PHARM INTERNATIONAL, INC. 
  
 CAMPO’S MEDICAL PHARMACY, INC. 
  
 CHP
ACQUISITION CORP. 
  
 CIP ACQUISITION CORP. 
  
 CLINIMETRICS RESEARCH ASSOCIATES, INC. 
  
 COMPSCRIPT, INC. 
  
 COMPSCRIPT – BOCA, LLC 
  
 COMPSCRIPT – MOBILE, INC. 
  
 CREEKSIDE MANAGED CARE PHARMACY, INC. 
  
 CTLP
ACQUISITION LLC 
  
 D & R PHARMACEUTICAL SERVICES, INC. 
  
 DIXON PHARMACY LLC 
  
 ELECTRA ACQUISITION CORP. 
  
 ENLOE DRUGS LLC 
  
 EURO BIO-PHARM CLINICAL SERVICES, INC. 
  
 EVERGREEN PHARMACEUTICAL, INC. 
  
 HEARTLAND REPACK SERVICES LLC

  
 HIGHLAND WHOLESALE LLC 
  
 HMIS, INC. 
  
 HOME CARE PHARMACY, INC. 
  
 HOME PHARMACY SERVICES, LLC 
  
 HYTREE PHARMACY, INC. 
  
 INTERLOCK PHARMACY
SYSTEMS, INC. 
  
 JHC ACQUISITION LLC 
  
 LANGSAM HEALTH SERVICES, INC. 
  
 LO-MED PRESCRIPTION SERVICES, INC. 
  
 LPI ACQUISITION CORP. 
  
 MANAGED HEALTHCARE, INC. 
  
 MANAGEMENT & NETWORK SERVICES, INC. 
  
 MED WORLD ACQUISITION
CORP. 
  
 MEDICAL ARTS HEALTH CARE, INC. 
  
 MEDICAL SERVICES CONSORTIUM, INC. 
  
 MHHP ACQUISITION COMPANY LLC 
  
 MOSI ACQUISITION CORP. 
  
 NATIONAL CARE FOR SENIORS LLC 
  
 NCS HEALTHCARE, INC. 
  

 56 

 NCS HEALTHCARE OF ARIZONA, INC. 
  

NCS HEALTHCARE OF ARKANSAS, INC. 
  
 NCS HEALTHCARE OF BEACHWOOD, INC. 
  
 NCS HEALTHCARE OF CONNECTICUT, INC. 
  
 NCS HEALTHCARE OF FLORIDA, INC. 
  
 NCS HEALTHCARE OF ILLINOIS, INC. 
  
 NCS HEALTHCARE OF INDIANA, INC. 
  
 NCS HEALTHCARE OF INDIANA LLC 
  
 NCS HEALTHCARE OF IOWA, INC. 
  
 NCS HEALTHCARE
OF KANSAS, INC. 
  
 NCS HEALTHCARE OF MARYLAND, INC. 
  
 NCS HEALTHCARE OF MASSACHUSETTS, INC. 
  
 NCS HEALTHCARE OF MICHIGAN, INC. 
  
 NCS HEALTHCARE OF MINNESOTA, INC. 
  
 NCS HEALTHCARE OF MISSOURI, INC. 
  
 NCS HEALTHCARE OF MONTANA, INC. 
  
 NCS HEALTHCARE OF NEW HAMPSHIRE, INC. 
  
 NCS HEALTHCARE OF NEW JERSEY, INC. 
  
 NCS HEALTHCARE OF NEW MEXICO, INC. 
  
 NCS HEALTHCARE OF NEW YORK, INC. 
  
 NCS HEALTHCARE OF NORTH CAROLINA, INC. 
  
 NCS HEALTHCARE OF OHIO, INC. 
  
 NCS HEALTHCARE OF OKLAHOMA, INC. 
  
 NCS HEALTHCARE OF OREGON, INC. 
  
 NCS HEALTHCARE OF PENNSYLVANIA, INC. 
  
 NCS
HEALTHCARE OF RHODE ISLAND, INC. 
  
 NCS HEALTHCARE OF SOUTH CAROLINA, INC.

  
 NCS HEALTHCARE OF TENNESSEE, INC. 
  
 NCS HEALTHCARE OF TEXAS, INC. 
  
 NCS HEALTHCARE OF VERMONT, INC. 
  
 NCS HEALTHCARE OF WISCONSIN, INC. 
  
 NCS OF ILLINOIS, INC. 
  
 NCS SERVICES, INC. 
  
 NGC ACQUISITION COMPANY
LLC 
  
 NIHAN & MARTIN LLC 
  
 NIV ACQUISITION LLC 
  
 NORTH SHORE PHARMACY SERVICES, INC. 
  
 OCR-RA ACQUISITION CORP. 
  
 OMNIBILL SERVICES LLC 
  
 OMNICARE CLINICAL
RESEARCH, INC. 
  
 OMNICARE CLINICAL RESEARCH, LLC 
  
 OMNICARE CR INC. 
  
 OMNICARE EXTENDED PHARMA SERVICES, LLC 
  
 OMNICARE HEADQUARTERS LLC 
  
 OMNICARE INDIANA PARTNERSHIP HOLDING COMPANY LLC 
  
 OMNICARE MANAGEMENT COMPANY 
  

 57 

 OMNICARE OF NEVADA LLC 
  
 OMNICARE PENNSYLVANIA MED SUPPLY, LLC 
  
 OMNICARE PHARMACEUTICS, INC. 
  
 OMNICARE PHARMACIES OF MAINE HOLDING COMPANY 
  
 OMNICARE PHARMACIES OF PENNSYLVANIA EAST, LLC 
  
 OMNICARE PHARMACIES OF
PENNSYLVANIA WEST, INC. 
  
 OMNICARE PHARMACIES OF THE GREAT PLAINS HOLDING
COMPANY 
  
 OMNICARE PHARMACY AND SUPPLY SERVICES, INC. 
  
 OMNICARE PHARMACY OF INDIANA, LLC 
  
 OMNICARE PHARMACY OF MAINE, LLC 
  
 OMNICARE PHARMACY OF NEBRASKA, LLC 
  
 OMNICARE PHARMACY OF NORTH CAROLINA, LLC 
  
 OMNICARE PHARMACY OF PUEBLO, LLC 
  
 OMNICARE PHARMACY OF SOUTH DAKOTA LLC 
  
 OMNICARE PHARMACY OF THE MIDWEST, INC. 
  
 OMNICARE PURCHASING COMPANY GENERAL PARTNER, INC. 
  
 OMNICARE PURCHASING COMPANY LIMITED PARTNER, INC. 
  
 OMNICARE RESPIRATORY SERVICES, LLC 
  
 PBM-PLUS, INC. 
  
 PBM PLUS MAIL SERVICE PHARMACY, LLC 
  
 PHARMACON CORP. 
  
 PHARMACY ASSOCIATES OF GLENS FALLS, INC. 
  
 PHARMACY HOLDING #1, LLC 
  
 PHARMACY HOLDING #2, LLC 
  
 PHARM-CORP OF MAINE, LLC 
  
 PP ACQUISITION COMPANY, LLC 
  
 PPS ACQUISITION COMPANY, LLC 
  
 RESCOT SYSTEMS GROUP, INC. 
  
 ROESCHEN’S
HEALTHCARE CORP. 
  
 ROYAL CARE OF MICHIGAN LLC 
  
 SHC ACQUISITION CO, LLC 
  
 SPECIALIZED HOME INFUSION OF MICHIGAN LLC 
  
 THE HARDARDT GROUP, INC. 
  
 WEBER MEDICAL SYSTEMS, LLC 
  

 58 

			
	 /s/ Bradley S. Abbott

	Name:	 	Bradley S. Abbott
	Title:	 	Treasurer

  

 59 

 On Behalf of: 
  
 PBM HOLDING COMPANY 
  
 PHARM-CORP OF MAINE LLC 
  
 PHARMED HOLDINGS, INC. 
  
 SHORE PHARMACEUTICAL
PROVIDERS, INC. 
  
 SOUTHSIDE APOTHECARY, INC. 
  
 SPECIALIZED PHARMACY SERVICES, INC. 
  
 SPECIALIZED SERVICES OF MICHIGAN, INC. 
  
 STERLING HEALTHCARE SERVICES, INC. 
  
 SUPERIOR CARE PHARMACY, INC. 
  
 SWISH, INC. 
  
 TCPI ACQUISITION CORP. 
  
 THG ACQUISITION CORP. 
  
 THREE FORKS APOTHECARY,
INC. 
  
 UC ACQUISITION CORP. 
  
 UNI-CARE HEALTH SERVICES OF MAINE, INC 
  
 VALUE HEALTH CARE SERVICES, INC. 
  
 VALUE PHARMACY, INC. 
  
 VITAL CARE INFUSIONS SUPPLY, INC. 
  
 WESTHAVEN SERVICES CO. 
  
 WILLIAMSON DRUG COMPANY, INCORPORATED 
  
 WINSLOW’S PHARMACY 
  

 60 

			
	 /s/ Thomas R. Marsh

	 Name:
	 	Thomas R. Marsh
	 Title:
	 	Assistant Treasurer

  

 61 

 On Behalf of: 
  
 ACCUMED, INC. 
  
 ARLINGTON ACQUISITION I, INC. 
  
 ASCO HEALTHCARE
OF NEW ENGLAND, INC. 
  
 ASCO HEALTHCARE, INC. 
  
 CAPITOL HOME INFUSION, INC. 
  
 CARECARD, INC. 
  
 COMPASS HEALTH SERVICES, INC. 
  
 CONCORD PHARMACY SERVICES, INC. 
  
 DELCO
APOTHECARY, INC. 
  
 EASTERN MEDICAL SUPPLIES, INC. 
  
 EASTERN REHAB SERVICES, INC. 
  
 ENCARE OF MASSACHUSETTS, INC. 
  
 EXCELLERX, INC. 
  
 EVERGREEN PHARMACEUTICAL OF CALIFORNIA, INC. 
  
 GENEVA SUB, INC. 
  
 H.O. SUBSIDIARY, INC. 
  
 HEALTH CONCEPTS AND SERVICES, INC. 
  
 HEALTHOBJECTS CORPORATION 
  
 HORIZON MEDICAL EQUIPMENT AND SUPPLY, INC. 
  
 INSTITUTIONAL HEALTH CARE SERVICES, INC. 
  
 LOBOS ACQUISITION OF ARIZONA, INC. 
  
 LOBOS ACQUISITION OF PENNSYLVANIA, INC. 
  
 MEDICAL SERVICES GROUP, INC. 
  
 NCS HEALTHCARE OF CALIFORNIA, INC. 
  
 NCS
HEALTHCARE OF KENTUCKY, INC. 
  
 NCS HEALTHCARE OF WASHINGTON, INC. 

 
 NEIGHBORCARE INFUSION SERVICES, INC. 
  
 NEIGHBORCARE-MEDISCO, INC. 
  
 NEIGHBORCARE-ORCA, INC. 
  
 NEIGHBORCARE-TCI, INC. 
  
 NEIGHBORCARE HOME MEDICAL EQUIPMENT, INC. 
  
 NEIGHBORCARE OF CALIFORNIA, INC. 
  
 NEIGHBORCARE OF INDIANA, INC.

  
 NEIGHBORCARE OF NORTHERN CALIFORNIA, INC. 
  
 NEIGHBORCARE OF OHIO, INC. 
  
 NEIGHBORCARE OF OKLAHOMA, INC. 
  
 NEIGHBORCARE OF TEXAS, INC. 
  
 NEIGHBORCARE OF VIRGINIA, INC. 
  
 NEIGHBORCARE
OF WISCONSIN, INC. 
  
 NEIGHBORCARE PHARMACIES, INC. 
  
 NEIGHBORCARE PHARMACY SERVICES, INC. 
  
 NEIGHBORCARE REPACKAGING, INC. 
  
 NEIGHBORCARE SENIORCARE PLAN, INC. 
  
 NEIGHBORCARE SERVICES CORPORATION 
  
 NEIGHBORCARE, INC. 
  
 NEIGHBORCARE HOLDINGS, INC. 
  
 OMNICARE, INC. 
  

 62 

 OMNICARE HOLDING COMPANY 
  
 PHARMASOURCE HEALTHCARE, INC. 
  
 PROFESSIONAL PHARMACY SERVICES, INC. 
  
 SUBURBAN
MEDICAL SERVICES, INC. 
  
 THE TIDEWATER HEALTHCARE SHARED SERVICE GROUP, INC.

  

 63 

			
	 /s/ Thomas R. Marsh

	 Name:
	 	Thomas R. Marsh
	 Title:
	 	Treasurer

  

 64 

 On Behalf of: 
  
 AUTOMATED HOMECARE SYSTEMS, LLC 
  

 65 

			
	HEALTHOBJECTS CORPORATION, as Member
	
	 /s/ Thomas R. Marsh

	 Name:
	 	Thomas R. Marsh
	 Title:
	 	Treasurer

  

 66 

 On Behalf of: 
  
 MAIN STREET PHARMACY, L.L.C. 
  

 67 

			
	NEIGHBORCARE PHARMACIES, INC., as Member
	
	 /s/ Thomas R. Marsh

	 Name:
	 	Thomas R. Marsh
	 Title:
	 	Treasurer

  

 68 

 On Behalf of: 
  
 MAIN STREET PHARMACY, L.L.C. 
  

 69 

			
	PROFESSIONAL PHARMACY SERVICES, INC., as Member
	
	 /s/ Thomas R. Marsh

	Name:	 	Thomas R. Marsh
	Title:	 	Treasurer

  

 70 

 On Behalf of: 
  
 THE MEDICINE CENTER, LLC 
  

 71 

			
	 ASCO HEALTHCARE, INC., as Member

	
	 /s/ Thomas R. Marsh

	 Name:
	 	Thomas R. Marsh
	 Title:
	 	Treasurer

  

 72 

 On Behalf of: 
  
 NEIGHBORCARE OF MARYLAND, LLC 
  

 73 

			
	NEIGHBORCARE PHARMACY SERVICES, INC., as Member
	
	 /s/ Thomas R. Marsh

	 Name:
	 	Thomas R. Marsh
	 Title:
	 	Treasurer

  

 74 

 On Behalf of: 
  
 CARE4, L.P. 
  

 75 

			
	 INSTITUTIONAL HEALTH CARE SERVICES, INC.,
 as General Partner

	
	 /s/ Thomas R. Marsh

	Name:	 	Thomas R. Marsh
	Title:	 	Treasurer

  

 76 

 On Behalf of: 
  
 ASCO HEALTHCARE OF NEW ENGLAND, LP 
  

 77 

			
	ASCO HEALTHCARE OF NEW ENGLAND, INC., as General Partner
	
	 /s/ Thomas R. Marsh

	Name:	 	Thomas R. Marsh
	Title:	 	Treasurer

  

 78 

 Exhibit A 
  

[Face of Security] 
  
 [Insert the Global Security Legend if applicable pursuant to the provisions of the Indenture] 
  
 CUSIP 681904AK4 
  
 67/8% Senior Subordinated Notes Due 2015 (the “Notes”) 
  
 No. 
  
 OMNICARE, INC. 
  
 promises to pay to , or registered assigns, the principal sum of $             
  
 Interest Payment Dates June 15 and December 15, commencing on June 15, 2006. 
  
 Record Dates: June 1 and December 1. 
  
 Dated: 
  

			
	 OMNICARE, INC.

		
	 By:
	 	  

	 Name:
	 	 
	 Title:
	 	 
		
	 By:
	 	  

	 Name:
	 	 
	 Title:
	 	 

  
 This is one of the Notes referred to in the within-mentioned Indenture: 
  

			
	 SunTrust Bank, As Trustee

		
	 By:
	 	  

	 	 	Authorized Signatory

  

 A-1 

 [Back of Security] 
  
 67/8% Senior Subordinated Notes Due 2015 
  
 Capitalized terms used herein shall have the meanings assigned to them in
the Indenture referred to below unless otherwise indicated. 
  
 1.
Interest. 
  
 Omnicare, Inc., a Delaware corporation (herein the
“Company” which term includes any successor Person under the Indenture hereinafter referred to), for value received, hereby promises to pay interest on the principal amount of this Note at the rate per annum shown above from
December 15, 2005 or from the most recent Interest Payment Date to which interest has been paid or duly provided for semiannually on June 15 and December 15 in each year, commencing June 15, 2006, and at the Stated Maturity
thereof, until the principal hereof is paid or made available for payment and on any Defaulted Interest to the extent permitted by law. Interest shall be computed on the basis of a 360-day year of twelve 30-day months. 
  
 2. Method of Payment. 
  
 The Company will pay interest on the Notes on each June 15 and
December 15 to the Persons who are registered Holders of the relevant Notes at the close of business on the June 1 or December 1 next preceding the Interest Payment Date, even if such Notes are cancelled after such record date and on
or before such Interest Payment Date, except as provided in Section 2.14 of the Base Indenture with respect to Defaulted Interest. The Notes will be payable as to principal, premium, if any, and interest at the office or agency of the Company
maintained for such purpose within or without the City and State of New York; provided, however, that at the option of the Company payment of interest may be made by check mailed to the address of the Person entitled thereto as such address shall
appear in the list provided by the Company to the Registrar and provided, further, that payment by wire transfer of immediately available funds will be required with respect to principal of, premium if any and interest on all Global Securities and
all other Notes the Holders of which shall have provided wire transfer instructions to the Company or the Paying Agent. Such payment shall be in such coin or currency of the United States of America as at the time of payment is legal tender for
payment of private debts. 
  
 3. Paying Agent and Registrar.

  
 Initially, the Trustee under the Indenture will act as Paying
agent and Registrar. The Company may change any Paying Agent or Registrar without notice to any Holder. The Company or any of its Subsidiaries may act in any such capacity. 
  
 4. Indenture. 
  
 This Note is one of a duly authorized issue of notes of the Company issued and issuable in one or more series under an Indenture, dated as of
June 13, 2003 (the “Base Indenture”), as supplemented by the Fifth Supplemental Indenture, dated as of December 15, 2005 (the “Fifth Supplemental Indenture” and together with the Base Indenture, the
“Indenture”), between the Company and SunTrust Bank, as Trustee (herein called the “Trustee” which term includes any successor Trustee under the Indenture), to which Indenture and all indentures supplemental thereto reference is
hereby made for a statement of the respective rights, limitations of rights, duties and immunities thereunder of the Company, the Trustees and the Holders of the Notes and of the terms upon which the Notes are, and are to be, authenticated and
delivered. All Notes issued under the Indenture will be treated as a single class 

  

 A-2 

 
of securities under the Indenture. The terms of the Notes include those stated in this Indenture and those made a part of this Indenture by reference to the
Trust Indenture act of 1939, as amended (15 U.S. Code §§ 77aaa-77bbbb). The Notes are subject to all such terms, and Holders are referred to this Indenture and such Act for a statement of such terms. To the extent any provision of
this security conflicts with the express provisions of this Indenture, the provisions of this Indenture shall govern and be controlling. 
  
 5. Optional Redemption. 
  
 At any time prior to December 15, 2008, the Company may on any one or more occasions redeem up to 35% of the aggregate principal amount of Notes
issued under the Fifth Supplemental Indenture at a redemption price of 106.875% of the principal amount, plus accrued interest, if any, to the Redemption Date, with the net cash proceeds of one or more Equity Offerings; provided that: 
  
 (a) at least 65% of the aggregate principal amount of Notes issued under
this Fifth Supplemental Indenture remains outstanding immediately after the occurrence of such redemption (excluding Notes held by the Company and its Subsidiaries); and 
  
 (b) the redemption occurs within 90 days of the date of the closing of such Equity Offering. 
  
 At any time prior to December 15, 2010, the Company may redeem all but
not part of the Notes, upon not less than 30 nor more than 60 days’ notice, at a redemption price equal to 100% of the principal amount thereof, plus the Applicable Redemption Premium and accrued and unpaid interest to the redemption date.

  
 On or after December 15, 2010, the Company may redeem all
or a part of the Notes upon not less than 30 nor more than 60 days’ notice, at the redemption prices (expressed as percentages of principal amount) set forth below plus accrued and unpaid interest, if any on the Notes redeemed, to the
applicable redemption date, if redeemed during the twelve-month period beginning on June 1 of the years indicated below: 
  

			
	 Year

	  	Percentage

	 2010
	  	103.438%
	 2011
	  	102.292%
	 2012
	  	101.146%
	 2013 and thereafter
	  	100.000%

  
 6. Mandatory
Redemption. 
  
 Except as set forth in paragraph 7 below, the
Company shall not be required to make mandatory redemption payments with respect to the Notes. 
  
 7. Repurchase at Option of Holder 
  
 If there is a Change of Control, the Company shall be required to make an offer (a “Change of Control Offer”) to repurchase all or any part (equal to $1,000 or an integral multiple thereof) of each Holder’s Notes at a
purchase price equal to 101% of the aggregate principal amount thereof plus accrued and unpaid interest and Liquidated Damages thereon, if any, to the date of purchase (the “Change of Control Payment”). Within 30 days following any Change
of Control, the Company shall mail a notice to each Holder setting forth the procedures governing the Change of Control Offer as required by this Indenture. 
  

 A-3 

 If the Company or a Subsidiary consummates any Asset Sales, within thirty days of each date on which the
aggregate amount of Excess Proceeds exceeds $50 million, the Company shall commence an offer to all Holders of Notes (an “Asset Sale Offer) pursuant to Section 3.03 of the Fifth Supplemental Indenture to purchase the maximum principal
amount of Notes that may be purchased out of the Excess Proceeds at an offer price in cash in an amount equal to 100% of the principal amount thereof plus accrued and unpaid interest thereon to the date fixed for the closing of such offer, in
accordance with the procedures set forth in this Indenture. To the extent that the aggregate amount of Notes tendered pursuant to an Asset Sale Offer is less than the Excess Proceeds, the Company (or such Subsidiary) may use such deficiency for
general corporate purposes. If the aggregate principal amount of Notes surrendered by Holders thereof exceeds the amount of Excess Proceeds, the Trustee shall select the Notes to be purchased on a pro rata basis. Holders of Notes that are the
subject of an offer to purchase will receive an Asset Sale Offer from the Company prior to any related purchase date and may elect to have such Notes purchased by completing the form entitled “Option of Holder to Elect Purchase” on the
reverse of the Notes. 
  
 8. Notice of Redemption. 
  
 Notice of redemption will be mailed at least 30 days but not more than 60
days before the redemption date to each Holder whose Notes are to be redeemed at its registered address. Notes in denominations larger than $1,000 may be redeemed in part but only in whole multiples of $1,000, unless all of the Notes held by a
Holder are to be redeemed. On and after the redemption date interest ceases to accrue on Notes or portions thereof called for redemption. 
  
 9. Denominations, Transfer, Exchange. 
  
 As provided in the Indenture and subject to certain limitations therein set forth, Notes of this series are exchangeable for a like aggregate principal
amount of Notes of this series and of like tenor of a different authorized denomination, as requested by the Holder surrendering the same. A holder may register the transfer or exchange of the Security as provided in the Indenture and subject to
certain limitations therein set forth. The Registrar may require a Holder, among other things, to furnish appropriate endorsements and transfer documents and to pay any taxes and fees required by law or permitted by the Indenture. The Company need
not exchange or register the transfer of any Note or portion of a Note selected for redemption, except for the unredeemed portion of any Note being redeemed in part. Also, the Company need not exchange or register the transfer of any Note for a
period of 15 days before a selection of Notes to be redeemed or during the period between a record date and the corresponding Interest Payment Date. 
  
 10. Persons Deemed Owners. 
  
 The registered Holder of a Security may be treated as its owner for all purposes. 
  
 11. Amendment, Supplement and Waiver. 
  
 Subject to certain exceptions, this Indenture and the Notes may be amended or supplemented with the consent of the Holders
of at least a majority in principal amount of the then outstanding Notes of each series affected by such amendment or supplement and any existing default or compliance with any provision may be waived with the consent of the Holders of a majority in
principal amount of the then outstanding Notes of each series affected by such waiver. Without the consent of any 

  

 A-4 

 
Holder of Notes of each series affected by such amendment or supplement, this Indenture and the Notes may be amended or supplemented to, among other things:
(a) cure any ambiguity, defect or inconsistency; (b) provide for uncertificated Notes in addition to or in place of certificated Notes; (c) provide for the assumption of the Company’s obligations to Holders of the Notes in case
of a merger or consolidation; (d) to make any change that would provide any additional rights or benefits to the Holders of Notes or that does not adversely affect the legal rights under the Indenture of any Holder; (e) to comply with the
requirements of the SEC in order to effect or maintain the qualification of this Indenture under the Trust Indenture Act; (f) to allow any Guarantor to execute a supplemental indenture to this Indenture; (g) evidence or provide for
acceptance of appointment of a successor Trustee; or (h) mortgage, hypothecate or grant a security interest in favor of the Trustee for the benefit of the Holders of Notes of any series as additional security for the payment and performance of
the Company’s or, if applicable, the Guarantor’s obligations herein in any property or assets. 
  
 12. Defaults and Remedies. 
  
 Events of Default include: (a) default for 30 days in the payment when due of interest on the Notes; (b) default in payment when due of
principal of or premium, if any, on the Notes; (c) failure by the Company to comply with Sections 4.04, 4.07 or 5.01 of the Fifth Supplemental Indenture; (d) failure by the Company for 60 days after notice to the Company by the Trustee or
the Holders of at least 25% in principal amount of the Notes then outstanding voting as a single class to comply with certain other agreements in this Indenture or the Notes; (e) default under certain other agreements relating to Indebtedness
of the Company which default results in the acceleration of such Indebtedness prior to its express maturity; (f) certain final judgments for the payment of money that remain undischarged for a period of 60 days; (g) certain events of
bankruptcy or insolvency with respect to the Company or any of its Restricted Subsidiaries that is a Significant Subsidiary; and (h) except as permitted by the Indenture. any applicable Subsidiary Guarantee shall be held in any judicial
proceeding to be unenforceable or invalid or shall cease for any reason to be in full force and effect or any Guarantor or any Person acting on its behalf shall deny or disaffirm its obligations under such Guarantor’s Subsidiary Guarantee. If
any Event of Default occurs and is continuing, the Trustee or the Holders of at least 25% in principal amount of the then outstanding Notes may declare all the Notes to be due and payable. Notwithstanding the foregoing, in the case of an Event of
Default arising from certain events of bankruptcy or insolvency involving the Company, all outstanding Notes will become due and payable without further action or notice. Holders may not enforce this Indenture or the Notes except as provided in the
Indenture. Subject to certain limitations, Holders of a majority in principal amount of the then outstanding Notes may direct the Trustee in its exercise of any trust or power. The Trustee may withhold from Holders of the Notes notice of any
continuing Default or Event of Default (except a Default or Event of Default relating to the payment of principal or interest) if it determines that withholding notice is in their interest. The Holders of a majority in aggregate principal amount of
the Notes then outstanding by notice to the Trustee may on behalf of the Holders of all of the Notes waive any existing Default or Event of Default and its consequences under this Indenture except a continuing Default or Event of Default in the
payment of interest on, or the principal of, the Notes. The Company is required to deliver to the Trustee annually a statement regarding compliance with this Indenture, and the Company is required upon becoming aware of any Default or Event of
Default, to deliver to the Trustee a statement specifying such Default or Event of Default. 
  
 13. Trustee Dealings with Company. 
  
 The Trustee, in its individual or any other capacity, may make loans to, accept deposits from, and perform services for the Company or its Affiliates, and may otherwise deal with the Company or its Affiliates, as if it were not the Trustee.

  

 A-5 

 14. No Recourse Against Others. 
  
 A director, officer, employee, incorporator or stockholder, of the Company, as such, shall not have any liability for any
obligations of the Company or the Guarantors under the Notes or this Indenture or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder by accepting a Security waives and releases all such liability.
The waiver and release are part of the consideration for the issuance of the Notes. 
  
 15. Guarantees. 
  
 The payment
by the Company of the principal of and interest on the Security is fully and unconditionally guaranteed on a joint and several basis by each of the Guarantors on the terms set forth in the Indenture. The Subsidiary Guarantee of each Guarantor will
be subordinated in right of payment to all existing and future Senior Debt of such Guarantor. 
  
 16. Authentication. 
  
 This
Security shall not be valid until authenticated by the manual signature of the Trustee or an authenticating agent. 
  
 17. Abbreviations. 
  
 Customary abbreviations may be used in the name of a Holder or an assignee, such as: TEN CON (= tenants in common), TEN ENT (= tenants by the entireties),
JT TEN (= Joint tenants with right of survivorship and not as tenants in common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts to Minors Act). 
  
 18. Subordination. 
  
 Each Holder by accepting a Security agrees that the payment of principal, premium and if any, interest, on each Security is subordinated in right of
payment, to the extent and in the manner provided in Article 11 of the Base Indenture, to the prior payment in full of all existing and future Senior Debt (whether outstanding on the date of the Indenture or thereafter created, incurred, assumed or
guaranteed), and the subordination is for the benefit of holders of Senior Debt. 
  
 19. CUSIP Numbers. 
  
 Pursuant
to a recommendation promulgated by the Committee on Uniform Security Identification Procedures, the Company has caused CUSIP numbers to be printed on the Notes and the Trustee may use CUSIP numbers in notices of redemption as a convenience to
Holders. No representation is made as to the accuracy of such numbers either as printed on the Notes or as contained in any notice of redemption and reliance may be placed only on the other identification numbers placed thereon. 
  
 The Company will furnish to any Holder upon written request and without
charge a copy of the Indenture. Requests may be made to: 
  
 Omnicare, Inc. 
 100 East RiverCenter Boulevard 
 Covington, Kentucky 41011 
 Attention: Corporate Secretary 
  

 A-6 

 ASSIGNMENT FORM 
  

To assign this Security, fill in the form below: 
  

			
	(I) or (we) assign and transfer this Security to:	 	  

	 	 	(Insert assignee’s legal name)

  
  

 (Insert assignee’s soc. sec. or tax I.D. no.) 
  

  

  

  

 (Print or type assignee’s name, address and zip code) 
  
 and irrevocably appoint
                                     to transfer this Security
on the books of the Company. The agent may substitute another to act for him. 
  

	Date:                        	

  

					
	 	  	Your Signature:	 	  

	 	  	 	 	(Sign exactly as your name appears on the face of this Security)
	 Signature Guarantee*:

	 	 

	*	Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 

  
 OPTION OF HOLDER TO ELECT PURCHASE 
  
 If you want to elect to have this Note purchased by the Company pursuant to
Section 4.04 or 4.07 of the Fifth Supplemental Indenture, check the appropriate box below: 
  

			
	                ̈    Section 4.04
	 	 ̈    Section 4.07

  
 If you want to elect
to have only part of the Note purchased by the Company pursuant to Section 4.04 or Section 4.07 of the Fifth Supplemental Indenture, state the amount you elect to have purchased: 
  
 $             
  
 Date:                          
  

					
	 	  	Your Signature:	 	  

	 	  	 	 	(Sign exactly as your name appears on the face of this Note)
		
	 	  	Tax Identification No.:                
		
	 Signature Guarantee*:

	 	 

	*	Participant in a recognized Signature Guarantee Medallion Program (or other signature
guarantor acceptable to the Trustee). 

  

 A-7 

 SCHEDULE OF EXCHANGES OF INTERESTS IN THE GLOBAL SECURITY* 
  
 The following exchanges of a part of this Global Security for an interest in another Global Security or for a permanent Security, or exchanges of a part of another Global Security or permanent Security for an interest
in this Global Security, have been made: 
  

									
	 Date of Exchange

	  	Amount of decrease in
Principal Amount of
this Global Security

	  	Amount of increase in
Principal Amount of
this Global Security

	  	Principal Amount of
this Global Security
following such
decrease (or increase)

	  	Signature of authorized
officer of Trustee or
Security Custodian

  
  

	*	This schedule should be included only if the Security is issued in global form. 

  

 A-9 

 Exhibit B 
  

FORM OF SUPPLEMENTAL INDENTURE 
 TO BE
DELIVERED BY SUBSEQUENT GUARANTORS 
  
 Supplemental Indenture
(this “Supplemental Indenture”), dated as             , among
                                 (the “Guaranteeing
Subsidiary”), a subsidiary of Omnicare, Inc. (or its permitted successor), a Delaware corporation (the “Company”), the Company and SunTrust Bank, as trustee under this Indenture referred to below (the
“Trustee”). 
  
 W I T N E S S E T H 
  
 WHEREAS, the Company has heretofore executed and delivered to the Trustee an
indenture (the “Base Indenture”), dated as of June 13, 2003, as supplemented by the Fifth Supplemental Indenture, dated as of December 15, 2005 (the “Fifth Supplemental Indenture” and, together with the
Base Indenture, the “Indenture”), providing for the issuance of 67/8% Senior Subordinated Notes due 2015 (the “Notes”); 
  
 WHEREAS, this Indenture provides that under certain circumstances the
Guaranteeing Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally guarantee all of the Company’s Obligations under the Notes and the Indenture on the
terms and conditions set forth herein (the “Note Guarantee”); and 
  
 WHEREAS, pursuant to Section 9.01 of the Base Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture. 
  
 NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is
hereby acknowledged, the Guaranteeing Subsidiary and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows: 
  
 1. Capitalized Terms. Capitalized terms used herein without definition shall have the meanings assigned to them in
the Indenture. 
  
 2. Agreement to Guarantee. The
Guaranteeing Subsidiary hereby agrees as follows: 
  
 (a) Along with all Guarantors named in the Indenture, to jointly and severally Guarantee to each Holder of a Note authenticated and delivered by the Trustee and to the Trustee and its successors and assigns, the Notes or the obligations of
the Company hereunder or thereunder, that: 
  
 (i) the principal of and interest on the Notes will be promptly paid in full when due, whether at maturity, by acceleration, redemption or otherwise, and interest on the overdue principal of and interest on the Notes, if any, if lawful,

  

 B-1 

 
and all other obligations of the Company to the Holders or the Trustee hereunder or thereunder will be promptly paid in full or performed, all in accordance
with the terms hereof and thereof; and 
  
 (ii)
in case of any extension of time of payment or renewal of any Notes or any of such other obligations, that same will be promptly paid in full when due or performed in accordance with the terms of the extension or renewal, whether at stated maturity,
by acceleration or otherwise. Failing payment when due of any amount so guaranteed or any performance so guaranteed for whatever reason, the Guarantors shall be jointly and severally obligated to pay the same immediately. 
  
 (b) The obligations hereunder shall be unconditional,
irrespective of the validity, regularity or enforceability of the Notes or the Indenture, the absence of any action to enforce the same, any waiver or consent by any Holder of the Notes with respect to any provisions hereof or thereof, the recovery
of any judgment against the Company, any action to enforce the same or any other circumstance which might otherwise constitute a legal or equitable discharge or defense of a guarantor. 
  
 (c) The following is hereby waived: diligence, presentment, demand of payment, filing of claims with a court
in the event of insolvency or bankruptcy of the Company, any right to require a proceeding first against the Company, protest, notice and all demands whatsoever. 
  
 (d) This Note Guarantee shall not be discharged except by complete performance of the obligations contained
in the Notes and the Indenture, and the Guaranteeing Subsidiary accepts all obligations of a Guarantor under this Indenture. 
  
 (e) If any Holder or the Trustee is required by any court or otherwise to return to the Company, the Guarantors, or any Custodian,
Trustee, liquidator or other similar official acting in relation to either the Company or the Guarantors, any amount paid by either to the Trustee or such Holder, this Note Guarantee, to the extent theretofore discharged, shall be reinstated in full
force and effect. 
  
 (f) The Guaranteeing
Subsidiary shall not be entitled to any right of subrogation in relation to the Holders in respect of any obligations guaranteed hereby until payment in full of all obligations guaranteed hereby. 
  
 (g) As between the Guarantors, on the one hand, and the
Holders and the Trustee, on the other hand, (x) the maturity of the obligations guaranteed hereby may be accelerated as provided in Article VI of the Fifth Supplemental Indenture for the purposes of this Note Guarantee, notwithstanding any
stay, injunction or other prohibition 

  

 B-2 

 
preventing such acceleration in respect of the obligations guaranteed hereby, and (y) in the event of any declaration of acceleration of such
obligations as provided in Article VI of the Fifth Supplemental Indenture, such obligations (whether or not due and payable) shall forthwith become due and payable by the Guarantors for the purpose of this Note Guarantee. 
  
 (h) The Guarantors shall have the right to seek contribution
from any non-paying Guarantor so long as the exercise of such right does not impair the rights of the Holders under the Guarantee. 
  
 (i) Pursuant to Section 12.04 of the Base Indenture, after giving effect to any maximum amount and any other contingent and fixed
liabilities that are relevant under any applicable Bankruptcy or fraudulent conveyance laws, and after giving effect to any collections from, rights to receive contribution from or payments made by or on behalf of any other Guarantor in respect of
the obligations of such other Guarantor under Article 12 of the Base Indenture, this new Note Guarantee shall be limited to the maximum amount permissible such that the obligations of such Guarantor under this Note Guarantee will not constitute a
fraudulent transfer or conveyance. 
  
 3. Execution and
Delivery. Each Guaranteeing Subsidiary agrees that the Note Guarantees shall remain in full force and effect notwithstanding any failure to endorse on each Note a notation of such Note Guarantee. 
  
 4. Guaranteeing Subsidiary may Consolidate, etc. on Certain Terms.

  
 A Guarantor may not sell or otherwise dispose of all or
substantially all of its assets to, or consolidate with or merge with or into (whether or not such Guarantor is the surviving Person), another Person, other than the Company or another Guarantor, unless: 
  
 (a) immediately after giving effect to that transaction, no
Default or Event of Default exists; and 
  
 (b)
subject to the provisions of Section 10.03 of the Fifth Supplemental Indenture, the Person acquiring the property in any such sale or disposition or the Person formed by or surviving any such consolidation or merger assumes all the obligations
of that Guarantor under the Indenture and its Subsidiary Guarantee pursuant to a supplemental indenture satisfactory to the Trustee. 
  
 In case of any such consolidation, merger, sale or conveyance and upon the assumption by the successor corporation, by supplemental indenture, executed
and delivered to the Trustee and satisfactory in form to the Trustee, of the due and punctual performance of all of the covenants and conditions of this Indenture to be performed by the Guarantor, such successor corporation shall succeed to and be
substituted for the Guarantor with the same effect as if it had been named herein as a Guarantor. All the Subsidiary Guarantees so issued shall in all respects have the same legal rank and benefit under the Indenture as the Subsidiary Guarantees
theretofore and thereafter issued in accordance with the terms of the Indenture as though all of such Subsidiary Guarantees had been issued at the date of the execution hereof. 
  

 B-3 

 Except as set forth in Article V of the Fifth Supplemental Indenture, and notwithstanding clauses
(a) and (b) above, nothing contained in this Indenture or in any of the Notes shall prevent any consolidation or merger of a Guarantor with or into the Company or another Guarantor, or shall prevent any sale or conveyance of the property
of a Guarantor as an entirety or substantially as an entirety to the Company or another Guarantor. 
  
 5. Releases. 
  
 The Note Guarantee of a Guarantor will be released, and any Person acquiring assets (including by way of merger or consolidation) or Capital Stock of a
Guarantor shall not be required to assume the obligations of any such Guarantor: 
  
 (a) in connection with any sale or other disposition of all or substantially all of the assets of that Guarantor (including by way of
merger or consolidation) to a Person that is not (either before or after giving effect to such transaction) a Restricted Subsidiary, if the sale or other disposition complies with Sections 3.03 and 4.04 of the Fifth Supplemental Indenture;

  
 (b) in connection with any sale of all of the
Capital Stock of a Guarantor to a Person that is not (either before or after giving effect to such transaction) a Restricted Subsidiary, if the sale complies with Sections 3.03 and 4.04 of the Fifth Supplemental Indenture; 
  
 (c) if the Company designates any Restricted Subsidiary that
is a Guarantor to be an Unrestricted Subsidiary or an Excluded Subsidiary in accordance with the Indenture; 
  
 (d) if any Guarantor is otherwise no longer obligated to provide a Subsidiary Guarantee pursuant to the Indenture; or 
  
 (e) at such time as 90% or more of the 3.25% Convertible
Senior Debentures due 2035 are no longer outstanding, if such Guarantor’s guarantee of any obligations under the Credit Agreement, or if the Credit Agreement is no longer outstanding, any other Indebtedness of the Company, is fully and
unconditionally released, except that such Guarantor shall subsequently be required to become a Guarantor by executing a supplemental indenture and providing the Trustee with an Officers’ Certificate and Opinion of Counsel at such time as it
guarantees any obligations under the Credit Agreement, or if the Credit Agreement is no longer outstanding, any other Indebtedness of the Company. 
  
 Any Guarantor not released from its obligations under its Note Guarantee shall remain liable for the full amount of principal of and interest on the Notes
and for the other obligations of any Guarantor under the Indenture as provided in Article 12 of the Base Indenture and Article X of the Fifth Supplemental Indenture. 
  

 B-4 

 6. No Recourse Against Others. No past, present or future director, officer, employee,
incorporator, stockholder or agent of the Guaranteeing Subsidiary, as such, shall have any liability for any obligations of the Company or any Guarantor under the Notes, any Subsidiary Guarantees, the Indenture or this Supplemental Indenture or for
any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder of the Notes by accepting a Note waives and releases all such liability. The waiver and release are part of the consideration for issuance of the
Notes. Such waiver may not be effective to waive liabilities under the federal securities laws and it is the view of the SEC that such a waiver is against public policy. 
  
 7. NEW YORK LAW TO GOVERN. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS
SUPPLEMENTAL INDENTURE BUT WITHOUT GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY. 
  
 8. Counterparts. The parties may sign any number of copies of this
Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement. 
  
 9. Effect of Headings. The Section headings herein are for convenience only and shall not affect the construction hereof. 
  
 10. The Trustee. The Trustee shall not be responsible in any manner
whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guaranteeing Subsidiary and the Company. 
  

 B-5 

 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed and
attested, all as of the date first above written. 
  
 Dated:
                    ,              
  

			
	 [Guaranteeing Subsidiary]

		
	By:	 	  

	Name:	 	 
	Title:	 	 
	
	Omnicare, Inc.
		
	By:	 	  

	Name:	 	 
	Title:	 	 
	
	SunTrust Bank, as Trustee
		
	By:	 	  

	 	 	Authorized Signatory

  

 B-6Indenture dated December 15, 2005

 EXHIBIT 4.4 
  
 Execution Copy 
  

  
 Omnicare, Inc. 
  
 3.25% Convertible Senior Debentures due 2035 
  

  
 INDENTURE 
  
 Dated as of December 15, 2005 
  
 Omnicare
Purchasing Company, L.P. 
  
 as GUARANTOR 
  
 SunTrust Bank 
  
 as TRUSTEE 
  

 CROSS-REFERENCE TABLE (1) 
  

					
	Trust Indenture Act Sections

	  	Indenture Section

	§ 310	    	(a)(1)	  	7.10
	 	    	(a)(2)	  	7.10
	 	    	(a)(3)	  	Not Applicable
	 	    	(a)(4)	  	Not Applicable
	 	    	(a)(5)	  	7.10
	 	    	(b)	  	7.8; 7.10
	 	    	(c)	  	Not Applicable
			
	§ 311	    	(a)	  	7.11
	 	    	(b)	  	7.11
	 	    	(c)	  	Not Applicable
			
	§ 312	    	(a)	  	2.5
	 	    	(b)	  	12.3
	 	    	(c)	  	12.3
			
	§ 313	    	(a)	  	7.6
	 	    	(b)	  	7.6
	 	    	(c)	  	7.6
	 	    	(d)	  	7.6
			
	§ 314	    	(a)	  	4.2; 4.3
	 	    	(b)	  	Not Applicable
	 	    	(c)	  	12.4
	 	    	(d)	  	Not Applicable
	 	    	(e)	  	12.5
	 	    	(f)	  	Not Applicable
			
	§ 315	    	(a)	  	7.1
	 	    	(b)	  	7.5
	 	    	(c)	  	7.1
	 	    	(d)	  	7.1
	 	    	(e)	  	6.11
			
	§ 316	    	(a)(1)(A)	  	6.5
	 	    	(a)(1)(B)	  	6.4
	 	    	(a)(2)	  	Not Applicable
	 	    	(b)	  	6.7
	 	    	(c)	  	1.5

  

 i 

					
			
	§ 317	    	(a)(1)	  	6.8
	 	    	(a)(2)	  	6.9
	 	    	(b)	  	2.4
			
	§ 318	    	(a)	  	12.1

	(1)	This Cross-Reference Table shall not (i) be deemed, for any purpose, to constitute part of the Indenture, nor (ii) have any bearing on the interpretation of any of its
terms or provisions 

  

 ii 

 TABLE OF CONTENTS 
  

					
	 	 	 	  	Page

	ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE	  	1
			
	        Section 1.1	 	Definitions	  	1
	        Section 1.2	 	Other Definitions	  	6
	        Section 1.3	 	Incorporation by Reference of Trust Indenture Act	  	7
	        Section 1.4	 	Rules of Construction	  	7
	        Section 1.5	 	Acts of Holders	  	8
		
	ARTICLE II. THE SECURITIES	  	9
			
	        Section 2.1	 	Form and Dating	  	9
	        Section 2.2	 	Execution and Authentication	  	9
	        Section 2.3	 	Registrar, Paying Agent and Conversion Agent	  	10
	        Section 2.4	 	Paying Agent to Hold Money and Securities in Trust	  	10
	        Section 2.5	 	Securityholder Lists	  	11
	        Section 2.6	 	Transfer and Exchange	  	11
	        Section 2.7	 	Replacement Securities	  	12
	        Section 2.8	 	Outstanding Securities; Determinations of Holders’ Action	  	13
	        Section 2.9	 	Temporary Securities	  	13
	        Section 2.10	 	Cancellation	  	14
	        Section 2.11	 	Persons Deemed Owners	  	14
	        Section 2.12	 	Global Securities	  	15
	        Section 2.13	 	CUSIP Numbers	  	18
	        Section 2.14	 	Contingent Interest	  	18
	        Section 2.15	 	Tax Treatment of Securities	  	19
	        Section 2.16	 	Upward Interest Rate Reset	  	19
		
	ARTICLE III. REDEMPTION AND PURCHASES	  	21
			
	        Section 3.1	 	Company’s Right to Redeem; Notices to Trustee	  	21
	        Section 3.2	 	Selection of Securities to Be Redeemed	  	21
	        Section 3.3	 	Notice of Redemption	  	21
	        Section 3.4	 	Effect of Notice of Redemption	  	22
	        Section 3.5	 	Deposit of Redemption Price	  	22
	        Section 3.6	 	Securities Redeemed in Part	  	23
	        Section 3.7	 	Purchase of Securities at Option of the Holder	  	23
	        Section 3.8	 	Effect of Optional Purchase Notice; Withdrawal	  	25
	        Section 3.9	 	Deposit of Optional Purchase Price	  	26
	        Section 3.10	 	Purchase of Securities at Option of the Holder upon Fundamental Change	  	26
	        Section 3.11	 	Effect of Fundamental Change Purchase Notice; Withdrawal	  	30
	        Section 3.12	 	Deposit of Fundamental Change Purchase Price	  	31

  

 iii 

					
	        Section 3.13	 	Securities Purchased in Part	  	31
	        Section 3.14	 	Covenant to Comply With Securities Laws Upon Purchase of Securities	  	32
	        Section 3.15	 	Repayment to the Company	  	32
		
	ARTICLE IV. COVENANTS	  	32
			
	        Section 4.1	 	Payment of Securities	  	32
	        Section 4.2	 	SEC and Other Reports	  	32
	        Section 4.3	 	Compliance Certificate	  	33
	        Section 4.4	 	Further Instruments and Acts	  	33
	        Section 4.5	 	Maintenance of Office or Agency	  	33
	        Section 4.6	 	Treatment of Securities	  	33
		
	ARTICLE V. SUCCESSOR CORPORATION	  	33
			
	        Section 5.1	 	When Company May Merge or Transfer Assets	  	33
		
	ARTICLE VI. DEFAULTS AND REMEDIES	  	34
			
	        Section 6.1	 	Events of Default	  	34
	        Section 6.2	 	Acceleration	  	36
	        Section 6.3	 	Other Remedies	  	36
	        Section 6.4	 	Waiver of Past Defaults	  	36
	        Section 6.5	 	Control by Majority	  	37
	        Section 6.6	 	Limitation on Suits	  	37
	        Section 6.7	 	Rights of Holders to Receive Payment	  	37
	        Section 6.8	 	Collection Suit by Trustee	  	38
	        Section 6.9	 	Trustee May File Proofs of Claim	  	38
	        Section 6.10	 	Priorities	  	38
	        Section 6.11	 	Undertaking for Costs	  	39
	        Section 6.12	 	Waiver of Stay, Extension or Usury Laws	  	39
		
	ARTICLE VII. TRUSTEE	  	39
			
	        Section 7.1	 	Duties of Trustee	  	39
	        Section 7.2	 	Rights of Trustee	  	40
	        Section 7.3	 	Individual Rights of Trustee	  	42
	        Section 7.4	 	Trustee’s Disclaimer	  	42
	        Section 7.5	 	Notice of Defaults	  	42
	        Section 7.6	 	Reports by Trustee to Holders	  	42
	        Section 7.7	 	Compensation and Indemnity	  	43
	        Section 7.8	 	Replacement of Trustee	  	43
	        Section 7.9	 	Successor Trustee by Merger	  	44
	        Section 7.10	 	Eligibility; Disqualification	  	44
	        Section 7.11	 	Preferential Collection of Claims Against Company	  	45
	        Section 7.12	 	Force Majeure	  	45

  

 iv 

					
	ARTICLE VIII. AMENDMENTS	  	45
			
	        Section 8.1	 	Without Consent of Holders	  	45
	        Section 8.2	 	With Consent of Holders	  	46
	        Section 8.3	 	Compliance with Trust Indenture Act	  	47
	        Section 8.4	 	Revocation and Effect of Consents, Waivers and Actions	  	47
	        Section 8.5	 	Notation on or Exchange of Securities	  	47
	        Section 8.6	 	Trustee to Sign Supplemental Indentures	  	47
	        Section 8.7	 	Effect of Supplemental Indentures	  	48
		
	ARTICLE IX. CONVERSIONS	  	48
			
	        Section 9.1	 	Conversion Privilege	  	48
	        Section 9.2	 	Conversion Procedure; Conversion Price; Fractional Shares	  	50
	        Section 9.3	 	Adjustment of Conversion Rate	  	52
	        Section 9.4	 	Consolidation or Merger of the Company	  	63
	        Section 9.5	 	Notice of Adjustment	  	64
	        Section 9.6	 	Notice in Certain Events	  	65
	        Section 9.7	 	Company To Reserve Stock: Registration; Listing	  	65
	        Section 9.8	 	Taxes on Conversion	  	66
	        Section 9.9	 	Conversion After Record Date	  	66
	        Section 9.10	 	Company Determination Final	  	67
	        Section 9.11	 	Responsibility of Trustee for Conversion Provisions	  	67
	        Section 9.12	 	Conversion After a Public Acquirer Change of Control	  	67
		
	ARTICLE X. GUARANTEE	  	68
			
	        Section 10.1	 	Guarantee	  	68
	        Section 10.2	 	Subordination	  	69
	        Section 10.3	 	Guarantor May Consolidate, etc., on Certain Terms	  	69
	        Section 10.4	 	Releases	  	70
		
	ARTICLE XI. SATISFACTION AND DISCHARGE OF INDENTURE	  	70
			
	        Section 11.1	 	Satisfaction and Discharge of Indenture	  	70
	        Section 11.2	 	Application of Trust Money	  	71
	        Section 11.3	 	Repayment to Company	  	71
	        Section 11.4	 	Reinstatement	  	71
		
	ARTICLE XII. MISCELLANEOUS	  	72
			
	        Section 12.1	 	Trust Indenture Act Controls	  	72
	        Section 12.2	 	Notices	  	72
	        Section 12.3	 	Communication by Holders with Other Holders	  	73
	        Section 12.4	 	Certificate and Opinion as to Conditions Precedent	  	73
	        Section 12.5	 	Statements Required in Certificate or Opinion	  	73
	        Section 12.6	 	Separability Clause	  	73
	        Section 12.7	 	Rules by Trustee, Paying Agent, Conversion Agent and Registrar	  	74

  

 v 

					
	        Section 12.8	 	Legal Holidays	  	74
	        Section 12.9	 	Governing Law	  	74
	        Section 12.10	 	No Recourse Against Others	  	74
	        Section 12.11	 	Successors	  	74
	        Section 12.12	 	Multiple Originals	  	74
	        Section 12.13	 	Effect of Headings and Table of Contents	  	74
		
	EXHIBIT A Form of Global Security	  	 
	EXHIBIT B Form of Certificated Security	  	 

  

 vi 

 INDENTURE dated as of December 15, 2005 between OMNICARE, INC., a Delaware corporation (the
“Company”), OMNICARE PURCHASING COMPANY, L.P. (the “Guarantor”) and SUNTRUST BANK (the “Trustee”). 
  
 RECITALS OF THE COMPANY 
  
 The Company has duly authorized the creation of an issue of 3.25% Convertible Senior Debentures due 2035 (the “Securities”) having the
terms, tenor, amount and other provisions hereinafter set forth, and, to provide therefor, the Company has duly authorized the execution and delivery of this Indenture. 
  
 All things necessary to make the Securities, when the Securities are duly executed by the Company and are authenticated and
delivered hereunder and duly issued by the Company, the valid obligations of the Company, and to make this Indenture a valid and binding agreement of the Company, in accordance with their and its terms, have been done. In addition, all things
necessary to duly authorize the issuance of the Common Stock of the Company issuable upon the conversion of the Securities, and to duly reserve for issuance the number of Common Stock issuable upon such conversion, have been done. 
  
 NOW, THEREFORE, THIS INDENTURE WITNESSETH: 
  
 For and in consideration of the premises and the purchase of the Securities
by the Holders thereof, it is mutually covenanted and agreed, for the equal and proportionate benefit of all Holders of the Securities, as follows: 
  
 ARTICLE I. 
 DEFINITIONS AND
INCORPORATION BY REFERENCE 
  
 Section 1.1
Definitions. 
  
 “Affiliate” of any
specified Person means any other Person directly or indirectly controlling or controlled by or under direct or indirect common control with such specified Person. For the purposes of this definition, “control” when used with respect to any
specified Person means the power to direct or cause the direction of the management and policies of such Person, directly or indirectly, whether through the ownership of voting securities, by contract or otherwise; and the terms
“controlling” and “controlled” have meanings correlative to the foregoing. 
  
 “Applicable Procedures” means, with respect to any transfer or transaction involving a Global Security or beneficial interest therein, the rules and procedures of the Depositary for such Security, in
each case to the extent applicable to such transaction and as in effect from time to time. 
  
 “Board of Directors” means either the board of directors of the Company or any duly authorized committee of such board. 
  
 “Board Resolution” means a resolution of the Board of Directors. 
  

 1 

 “Business Day” means, with respect to any Security, a day other than a Saturday, a
Sunday, or a day that in The City of New York, is not a day on which banking institutions are authorized or required by law, regulation or executive order to close. 
  
 “Capital Stock” for any corporation means any and all shares, interests, rights to purchase, warrants,
options, participations or other equivalents of or interests in (however designated) equity issued by that corporation, but excluding any debt securities convertible into such equity. 
  
 “Certificated Securities” means Securities that are in the form of the Securities attached hereto as
Exhibit B. 
  
 “Closing Sale Price” of any share
of the Company’s Common Stock on any Trading Date means the closing sale price of the Common Stock (or if no closing sale price is reported, the average of the closing bid and closing ask prices or, if more than one in either case, the average
of the average closing bid and the average closing ask prices) on such date as reported in composite transactions for the principal U.S. securities exchange on which the Company’s Common Stock is traded or, if the Common Stock is not listed on
a U.S. national or regional securities exchange, as reported by the Nasdaq System or by Pink Sheets LLC. In the absence of such a quotation, the closing sale price as determined by a nationally recognized securities dealer retained by the Company
for that purpose. The closing sale price will be determined without reference to extended or after hours trading. 
  
 “Common Stock” shall mean the Common Stock, $1.00 par value per share, of the Company existing on the date of this Indenture or any other
shares of Capital Stock of the Company into which such Common Stock shall be reclassified or changed. 
  
 “Company” means the party named as the “Company” in the first paragraph of this Indenture until a successor replaces it
pursuant to the applicable provisions of this Indenture and, thereafter, shall mean such successor. The foregoing sentence shall likewise apply to any subsequent such successor or successors. 
  
 “Company Request” or “Company Order” means
a written request or order signed in the name of the Company by any two Officers. 
  
 “Conversion Price” means, as of any date, $1,000 divided by the Conversion Rate as of such date, initially $79.73 per share of Common Stock. 
  
 “Conversion Rate” means initially 12.5423 shares per $1,000
principal amount of Securities, subject to adjustment as set forth herein. 
  
 “Corporate Trust Office” means the principal office of the Trustee at which at any time its corporate trust business shall be administered, which office at the date hereof is located at 25 Park Place,
24th Floor, Atlanta, Georgia 30303, Attention: Corporate Trust Department, or such other address as the Trustee may
designate from time to time by notice to the Holders and the Company, or the principal corporate trust office of any successor (or such other address as a successor Trustee may designate from time to time by notice to the Holders and the Company).

  

 2 

 “Credit Agreement” means the Credit Agreement, dated as of July 28, 2005, by and
among the Company, the lenders parties thereto, SunTrust Bank, as administrative agent, JPMorgan Chase Bank, N.A., as joint syndication agent, Lehman Brothers Inc., as joint syndication agent, CIBC World Markets Corp., as co-documentation agent,
Merrill Lynch, Pierce, Fenner & Smith Incorporated, as co-documentation agent, and Wachovia Bank, National Association, as co-documentation agent, providing for up to $800 million of revolving credit borrowings, up to $700 million of term
loans, up to $1,900 million of 364-day loans and up to $500 million of additional term loans, including any related notes, guarantees, collateral documents, instruments and agreements executed in connection therewith, and in each case as amended
(including, without limitation, as to principal amount), modified, renewed, refunded, replaced or refinanced from time to time (whether or not with the original agents or lenders and whether or not contemplated under the original agreement relating
thereto). 
  
 “Default” means an event which,
with the giving of notice or the lapse of time, or both, would become an Event of Default. 
  
 “Depositary” means DTC, or any successor thereto, and any such nominee hereinafter referred to as the Depositary. 
  
 “DTC” means The Depository Trust Company. 
  
 “Exchange Act” means the Securities Exchange Act of 1934, as amended. 
  
 “Global Securities” means Securities that are in the form of
the Securities attached hereto as Exhibit A, and that are registered in the register of Securities in the name of a Depositary or a nominee thereof. 
  
 “Guarantor” means the party named as the “Guarantor” in the first paragraph of this Indenture until a successor replaces it
pursuant to the applicable provisions of this Indenture and, thereafter, shall mean such successor. The foregoing sentence shall likewise apply to any subsequent such successor or successors. 
  
 “Holder” or “Securityholder” means a Person
in whose name a Security is registered on the Registrar’s books. 
  
 “Indenture” means this Indenture, as amended or supplemented from time to time in accordance with the terms hereof, including the provisions of the TIA that are deemed to be a part hereof. 
  
 “Interest Payment Date” means each June 15 and
December 15 of each year, commencing June 15, 2006. 
  
 “Issue Date” of any Security means the date on which the Security was originally issued or deemed issued as set forth on the face of the Security. 
  
 “Majority Owned” means having “beneficial ownership” (as defined in Rule 13(d)(3) under the
Exchange Act) of more than 50% of the total voting power of all shares of the respective entity’s Capital Stock that are entitled to vote generally in the election of directors. “Majority Owner” has the correlative meaning.

  

 3 

 “Officer” means the Chairman of the Board, the Vice Chairman, the Chief Executive
Officer, the President, any Vice President, the Treasurer, the Controller, or the Secretary or any Assistant Treasurer or Assistant Secretary of the Company. 
  
 “Officers’ Certificate” means a written certificate containing the information specified in Sections 12.4 and 12.5, signed in the
name of the Company by any two Officers, and delivered to the Trustee. An Officers’ Certificate given pursuant to Section 4.3 shall be signed by the principal executive officer, principal financial officer or principal accounting officer
of the Company but need not contain the information specified in Sections 12.4 and 12.5. 
  
 “Opinion of Counsel” means a written opinion containing the information specified in Sections 12.4 and 12.5, from legal counsel who is reasonably acceptable to the Trustee. The counsel may be an
employee of, or counsel to, the Company. 
  
 “Person” means any individual, corporation, limited liability company, partnership, joint venture, association, joint-stock company, trust, unincorporated organization, or government or any agency or political subdivision
thereof. The term “Person” includes any syndicate or group which would be deemed to be a “person” under Section 13(d)(3) under the Exchange Act. 
  
 “Public Acquirer Common Stock” has the meaning assigned to it in the definition of Public Acquirer Change
of Control. 
  
 “Public Acquirer Change of
Control” means any event constituting a Non-Stock Change of Control in which the acquirer has a class of common stock traded on any U.S. national securities exchange or quoted on the Nasdaq National Market or which will be so traded or
quoted when issued or exchanged in connection with such Non-Stock Change of Control (the “Public Acquirer Common Stock”). If an acquirer does not itself have a class of common stock satisfying the foregoing requirement, it will be deemed
to have Public Acquirer Common Stock if a corporation that directly or indirectly is the Majority Owner of the acquirer has a class of common stock satisfying the foregoing requirement; in such case, all references to Public Acquirer Common Stock
shall refer to such class of common stock. 
  
 “Redemption
Date” or “redemption date” shall mean the date specified in a notice of redemption on which the Securities may be redeemed in accordance with the terms of the Securities and this Indenture. 
  
 “Redemption Price” or “redemption price”
shall have the meaning set forth in Section 5 of the Securities. 
  
 “Responsible Officer” shall mean, when used with respect to the Trustee, any officer within the Corporate Trust Office of the Trustee or any other officer of the Trustee to whom any corporate trust matter is referred
because of such person’s knowledge of and familiarity with the particular subject and who shall have direct responsibility for the administration of this Indenture. 
  

 4 

 “SEC” means the Securities and Exchange Commission. 
  
 “Securities” has the meaning set forth in the Recitals.

  
 “Securities Act” means the Securities Act of
1933, as amended. 
  
 “Securityholder” or
“Holder” means a Person in whose name a Security is registered on the Registrar’s books. 
  
 “Significant Subsidiary” shall have the meaning ascribed to such term in Rule 1-02(w) of Regulation S-X. 
  
 “Stated Maturity,” when used with respect to any Security,
means December 15, 2035. 
  
 “Subsidiary”
means any Person of which at least a majority of the outstanding Voting Stock shall at the time directly or indirectly be owned or controlled by the Company or by one or more Subsidiaries or by the Company and one or more Subsidiaries. 

 
 “TIA” means the Trust Indenture Act of 1939 as in effect
on the date of this Indenture, provided, however, that in the event the TIA is amended after such date, TIA means, to the extent required by any such amendment, the TIA as so amended. 
  
 “Trading Day” means a day during which (i) trading in
the Company’s Common Stock generally occurs, (ii) there is no Market Disruption Event and (iii) a Closing Sale Price for the Common Stock is provided on the New York Stock Exchange or, if the Common Stock is not listed on the New York
Stock Exchange, on the principal other U.S. national or regional securities exchange on which the Common Stock is then listed or, if the Common Stock is not listed on a U.S. national or regional securities exchange, on the principal other market on
which the Common Stock is then traded. 
  
 “Trustee” means the party named as the “Trustee” in the first paragraph of this Indenture until a successor replaces it pursuant to the applicable provisions of this Indenture and, thereafter, shall mean such
successor. The foregoing sentence shall likewise apply to any subsequent such successor or successors. 
  
 “Underwriters” means J.P. Morgan Securities Inc., Lehman Brothers Inc., CIBC World Markets Corp., SunTrust Capital Markets, Inc.,
Wachovia Capital Markets, LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated and Credit Suisse First Boston LLC. 
  
 “Underwriting Agreement” means the Underwriting Agreement, dated December 12, 2005, among the Company, the Guarantor and the
Underwriters. 
  
 “Vice President,” when used
with respect to the Company, means any vice president, whether or not designated by a number or a word or words added before or after the title “vice president.” 
  
 “Voting Stock” of a Person means Capital Stock of such Person of the class or classes pursuant to which the
holders thereof have the general voting power under ordinary 

  

 5 

 
circumstances to elect at least a majority of the board of directors, managers or trustees of such Person (irrespective of whether or not at the time Capital
Stock of any other class or classes shall have or might have voting power by reason of the happening of any contingency). 
  
 Section 1.2 Other Definitions. 
  

				
	 Term:

	  	Section in
which the
term is
defined:

	 
	 “Act”
	  	1.5	 
	 “Additional Common Stock”
	  	9.3	(h)
	 “Agent Members”
	  	2.12	(b)
	 “Cash Settlement Averaging Period”
	  	9.2	(e)
	 “Contingent Interest”
	  	2.14	 
	 “Contingent Payment Regulations”
	  	2.15	 
	 “Continuing Director”
	  	3.10	(a)
	 “Conversion Agent”
	  	2.3	 
	 “Current Market Price”
	  	9.3	(g)
	 “Daily Settlement Amount”
	  	9.2	(e)
	 “Daily Conversion Value”
	  	9.2	(e)
	 “distributed assets”
	  	9.3	(d)
	 “dividend threshold amount”
	  	9.3	(e)
	 “Effective Date”
	  	9.3	(h)
	 “Event of Default”
	  	6.1	 
	 “ex-dividend date”
	  	9.1	(b)
	 “Expiration Time”
	  	9.3	(f)
	 “Fair Market Value”
	  	9.3	(g)
	 “Fundamental Change”
	  	3.10	(a)
	 “Fundamental Change Purchase Date”
	  	3.10	(a)
	 “Fundamental Change Purchase Notice”
	  	3.10	(c)
	 “Fundamental Change Purchase Price”
	  	3.10	(a)
	 “Indicative Reference Rate”
	  	2.16	 
	 “Initial Reset Rate”
	  	2.16	 
	 “issuer tender offer”
	  	3.14	 
	 “Legal Holiday”
	  	12.8	 
	 “Market Disruption Event”
	  	9.2	(e)
	 “Measuring Price”
	  	2.16	 
	 “Non-Stock Change of Control”
	  	9.3	(h)
	 “Optional Purchase Date”
	  	3.7	(a)
	 “Optional Purchase Notice”
	  	3.7	(c)
	 “Optional Purchase Price”
	  	3.7	(a)
	 “Paying Agent”
	  	2.3	 
	 “payment default”
	  	6.1	 
	 “Principal”
	  	3.10	(a)
	 “Purchased Shares”
	  	9.3	(f)
	 “Record Date”
	  	9.3	(g)

  

 6 

				
	 Term:

	  	Section in
which the
term is
defined:

	 
	 “Redemption Notice”
	  	3.3	 
	 “Reference Period”
	  	9.3	(d)
	 “Registrar”
	  	2.3	 
	 “Related Party”
	  	3.10	(a)
	 “Reset Rate”
	  	2.16	 
	 “Reset Rate Condition”
	  	2.16	 
	 “Settlement Amount”
	  	9.2	(e)
	 “Spin-Off”
	  	9.3	(d)
	 “Spin-Off Valuation Period”
	  	9.3	(d)
	 “Stock Price”
	  	9.3	(h)
	 “Trading Price”
	  	9.1	(b)
	 “Trading Price Condition”
	  	9.1	(b)
	 “Trigger Event”
	  	9.3	(d)

  
 Section 1.3
Incorporation by Reference of Trust Indenture Act. Whenever this Indenture refers to a provision of the TIA, the provision is incorporated by reference in and made a part of this Indenture. The following TIA terms used in this Indenture have
the following meanings: 
  
 “indenture securities”
means the Securities; 
  
 “indenture security holder”
means a Securityholder; 
  
 “indenture to be qualified”
means this Indenture; 
  
 “indenture trustee” or
“institutional trustee” means the Trustee; and 
  
 “obligor” on the indenture securities means the Company. 
  
 All other TIA terms used in this Indenture that are defined by the TIA, defined by TIA reference to another statute or defined by SEC rule have the meanings assigned to them by such definitions. 
  
 Section 1.4 Rules of Construction. Unless the context otherwise
requires: 
  
 (1) a term has the meaning assigned to it;

  
 (2) an accounting term not otherwise defined has the
meaning assigned to it in accordance with U.S. generally accepted accounting principles as in effect from time to time; 
  
 (3) “or” is not exclusive; 
  
 (4) “including” means including, without limitation; and 
  

 7 

 (5) words in the singular include the plural, and words in the plural include the singular.

  
 Section 1.5 Acts of Holders. 
  
 (a) Any request, demand, authorization, direction, notice, consent, waiver
or other action provided by this Indenture to be given or taken by Holders may be embodied in and evidenced by one or more instruments of substantially similar tenor signed by such Holders in person or by an agent duly appointed in writing; and,
except as herein otherwise expressly provided, such action shall become effective when such instrument or instruments are delivered to the Trustee and, where it is hereby expressly required, to the Company, as described in Section 12.2. Such
instrument or instruments (and the action embodied therein and evidenced thereby) are herein sometimes referred to as the “Act” of Holders signing such instrument or instruments. Proof of execution of any such instrument or of a writing
appointing any such agent shall be sufficient for any purpose of this Indenture and conclusive in favor of the Trustee and the Company, if made in the manner provided in this Section. 
  
 (b) The fact and date of the execution by any Person of any such instrument or writing may be proved by the affidavit of a
witness of such execution or by a certificate of a notary public or other officer authorized by law to take acknowledgments of deeds, certifying that the individual signing such instrument or writing acknowledged to such officer the execution
thereof. Where such execution is by a signer acting in a capacity other than such signer’s individual capacity, such certificate or affidavit shall also constitute sufficient proof of such signer’s authority. The fact and date of the
execution of any such instrument or writing, or the authority of the Person executing the same, may also be proved in any other manner that the Trustee deems sufficient. 
  
 (c) The principal amount and serial number of any Security and the ownership of Securities shall be proved by the register
for the Securities. 
  
 (d) Any request, demand, authorization,
direction, notice, consent, waiver or other Act of the Holder of any Security shall bind every future Holder of the same Security and the Holder of every Security issued upon the registration of transfer thereof or in exchange therefor or in lieu
thereof in respect of anything done, omitted or suffered to be done by the Trustee or the Company in reliance thereon, whether or not notation of such action is made upon such Security. 
  
 (e) If the Company shall solicit from the Holders any request, demand, authorization, direction, notice, consent, waiver or
other Act, the Company may, at its option, by or pursuant to a Board Resolution, fix in advance a record date for the determination of Holders entitled to give such request, demand, authorization, direction, notice, consent, waiver or other Act, but
the Company shall have no obligation to do so. If such a record date is fixed, such request, demand, authorization, direction, notice, consent, waiver or other Act may be given before or after such record date, but only the Holders of record at the
close of business on such record date shall be deemed to be Holders for the purposes of determining whether Holders of the requisite proportion of outstanding Securities have authorized or agreed or consented to such request, demand, authorization,
direction, notice, consent, waiver or other Act, and for that 

  

 8 

 
purpose the outstanding Securities shall be computed as of such record date; provided that no such authorization, agreement or consent by the Holders
on such record date shall be deemed effective unless it shall become effective pursuant to the provisions of this Indenture not later than six months after the record date. 
  
 ARTICLE II. 
 THE SECURITIES 
  
 Section 2.1 Form and
Dating. The Securities and the Trustee’s certificate of authentication shall be substantially in the form of Exhibits A and B, which are a part of this Indenture. The Securities may have notations, legends or endorsements required by law,
stock exchange rule or usage (provided that any such notation, legend or endorsement required by usage is in a form acceptable to the Company). The Company shall provide any such notations, legends or endorsements to the Trustee in writing.
Each Security shall be dated the date of its authentication. 
  
 (a) Global Securities in General. Each Global Security shall represent such of the outstanding Securities as shall be specified therein and each shall provide that it shall represent the aggregate amount of outstanding Securities
from time to time endorsed thereon and that the aggregate amount of outstanding Securities represented thereby may from time to time be reduced or increased, as appropriate, to reflect exchanges, redemptions, repurchases and conversions. 

 
 Any adjustment of the aggregate principal amount of a Global Security to
reflect the amount of any increase or decrease in the amount of outstanding Securities represented thereby shall be made by the Trustee in accordance with instructions given by the Holder thereof as required by Section 2.12 hereof and shall be
made on the records of the Trustee and the Depositary. 
  
 (b)
Book-Entry Provisions. This Section 2.1(b) shall apply only to Global Securities deposited with or on behalf of the Depositary. 
  
 The Company shall execute and the Trustee shall, in accordance with this Section 2.1(b), authenticate and deliver initially one or more Global
Securities that (a) shall be registered in the name of the Depositary, (b) shall be delivered by the Trustee to the Depositary or pursuant to the Depositary’s instructions and (c) shall be substantially in the form of Exhibit A
attached hereto. 
  
 (c) Certificated Securities.
Securities not issued as interests in the Global Securities will be issued in certificated form substantially in the form of Exhibit B attached hereto. 
  
 Section 2.2 Execution and Authentication. The Securities shall be executed on behalf of the Company by any Officer. The signature of the
Officer on the Securities may be manual or facsimile. 
  
 Securities bearing the manual or facsimile signatures of individuals who were, at the time of the execution of the Securities, Officers shall bind the Company, notwithstanding that such individuals or any of them have ceased to hold such
offices prior to the authentication and delivery of such Securities or did not hold such offices at the date of authentication of such Securities. 
  

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 No Security shall be entitled to any benefit under this Indenture or be valid or obligatory for any
purpose unless there appears on such Security a certificate of authentication substantially in the form provided for herein duly executed by the Trustee by manual signature of an authorized signatory, and such certificate upon any Security shall be
conclusive evidence, and the only evidence, that such Security has been duly authenticated and delivered hereunder. 
  
 The Trustee shall authenticate and deliver the Securities for original issue in an aggregate principal amount of $977,500,000 upon one or more Company
Orders without any further action by the Company (other than as contemplated in Section 12.4 and Section 12.5 hereof). The aggregate principal amount of the Securities due at the Stated Maturity thereof outstanding at any time may not
exceed the amount set forth in the foregoing sentence except as provided in Sections 2.7 and 2.14. 
  
 The Securities shall be issued only in registered form without coupons and only in denominations of $1,000 of principal amount and any integral multiple
of $1,000. 
  
 Section 2.3 Registrar, Paying Agent and
Conversion Agent. The Company shall maintain an office or agency where Securities may be presented for registration of transfer or for exchange (“Registrar”), an office or agency where Securities may be presented for purchase or
payment (“Paying Agent”) and an office or agency where Securities may be presented for conversion (“Conversion Agent”). The Registrar shall keep a register of the Securities and of their transfer and exchange. The
Company may have one or more co-registrars, one or more additional paying agents and one or more additional conversion agents. The term Paying Agent includes any additional paying agent, including any named pursuant to Section 4.5. The term
Conversion Agent includes any additional conversion agent, including any named pursuant to Section 4.5. 
  
 The Company shall enter into an appropriate agency agreement with any Registrar, Paying Agent, Conversion Agent or co-registrar (in each case, if such
Registrar, agent or co-registrar is a Person other than the Trustee). The agreement shall implement the provisions of this Indenture that relate to such agent. The Company shall notify the Trustee of the name and address of any such agent. If the
Company fails to maintain a Registrar, Paying Agent or Conversion Agent, the Trustee shall act as such and shall be entitled to appropriate compensation therefor pursuant to Section 7.7. The Company or any Subsidiary or an Affiliate of either
of them may act as Paying Agent, Registrar, Conversion Agent or co-registrar. 
  
 The Company initially appoints the Trustee as Registrar, Paying Agent and Conversion Agent in connection with the Securities. 
  
 Section 2.4 Paying Agent to Hold Money and Securities in Trust. Except as otherwise provided herein, on or prior to 12:00 noon, New York City
time, on each due date of payments in respect of any Security, the Company shall deposit with the Paying Agent a sum of money (in immediately available funds if deposited on the due date) sufficient to make such payments when so becoming due. The
Company shall require each Paying Agent (other than the Trustee) to 

  

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agree in writing that the Paying Agent shall hold in trust for the benefit of Securityholders or the Trustee all money held by the Paying Agent for the
making of payments in respect of the Securities and shall notify the Trustee of any default by the Company in making any such payment. At any time during the continuance of any such default, the Paying Agent shall, upon the written request of the
Trustee, forthwith pay to the Trustee all money so held in trust. If the Company, a Subsidiary or an Affiliate of either of them acts as Paying Agent, it shall segregate the money held by it as Paying Agent and hold it as a separate trust fund. The
Company at any time may require a Paying Agent to pay all money held by it to the Trustee and to account for any funds and Common Stock disbursed by it. Upon doing so, the Paying Agent shall have no further liability for the money. 
  
 Section 2.5 Securityholder Lists. The Trustee shall preserve in
as current a form as is reasonably practicable the most recent list available to it of the names and addresses of Securityholders. If the Trustee is not the Registrar, the Company shall cause to be furnished to the Trustee at least semiannually on
June 1 and December 1 a listing of Securityholders dated within 15 days of the date on which the list is furnished and at such other times as the Trustee may request in writing a list in such form and as of such date as the Trustee may
reasonably require of the names and addresses of Securityholders. 
  
 Section 2.6 Transfer and Exchange. 
  
 (a)
Subject to Section 2.12, upon surrender for registration or transfer of any Security, together with a written instrument of transfer satisfactory to the Registrar duly executed by the Securityholder or such Securityholder’s attorney duly
authorized in writing, at the office or agency of the Company designated as Registrar or co-registrar pursuant to Section 2.3, the Company shall execute, and the Trustee shall authenticate and deliver, in the name of the designated transferee
or transferees, one or more new Securities of any authorized denomination or denominations, of a like aggregate principal amount. The Company shall not charge a service charge for any registration of transfer or exchange, but the Company may require
payment of a sum sufficient to pay all taxes, assessments or other governmental charges that may be imposed in connection with the transfer or exchange of the Securities from the Securityholder requesting such transfer or exchange. 
  
 Subject to Section 2.12, at the option of the Holder, Securities may be
exchanged for other Securities of any authorized denomination or denominations, of a like aggregate principal amount upon surrender of the Securities to be exchanged, together with a written instrument of transfer satisfactory to the Registrar duly
executed by the Securityholder or such Securityholder’s attorney duly authorized in writing, at such office or agency. Whenever any Securities are so surrendered for exchange, the Company shall execute, and the Trustee shall authenticate and
deliver, the Securities which the Holder making the exchange is entitled to receive. 
  
 The Company shall not be required to make, and the Registrar need not register, transfers or exchanges of Securities selected for redemption in whole or in part (except, in the case of Securities to be redeemed in
part, the portion thereof not to be redeemed) or any Securities in respect of which a Fundamental Change Purchase Notice, as defined herein, has been given and not withdrawn by the Holder thereof in accordance with the terms of this Indenture
(except, in 

  

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the case of Securities to be purchased in part, the portion thereof not to be purchased) or to issue any Securities, register the transfer of, or exchange
any Securities for a period of 15 days before the Redemption Date. 
  
 (b) Notwithstanding any provision to the contrary herein, so long as a Global Security remains outstanding and is held by or on behalf of the Depositary, (i) transfers of beneficial interests in a Global Security, in whole or in part,
may be effected only through a book entry system maintained by the Holder of such Global Security (or its agent) in accordance with Applicable Procedures, (ii) ownership of a beneficial interest in the Security shall be required to be reflected
in book entry and (iii) transfers of Global Securities or beneficial interests in Global Securities shall be made only in accordance with Section 2.12 and this Section 2.6(b). Transfers of a Global Security shall be limited to
transfers of such Global Security in whole or in part, to the Depositary, to nominees of the Depositary or to a successor of the Depositary or such successor’s nominee. 
  
 (c) Successive registrations and registrations of transfers and exchanges as aforesaid may be made from time to time as
desired, and each such registration shall be noted on the register for the Securities. 
  
 (d) Any Registrar appointed pursuant to Section 2.3 shall provide to the Trustee such information as the Trustee may reasonably require in connection with the delivery by such Registrar of Securities upon
transfer or exchange of Securities. 
  
 (e) No Registrar shall be
required to make registrations of transfer or exchange of Securities during any periods designated in the text of the Securities or in this Indenture as periods during which such registration of transfers and exchanges need not be made. 

 
 Section 2.7 Replacement Securities. If (a) any mutilated
Security is surrendered to the Trustee, or (b) the Company and the Trustee receive evidence to their satisfaction of the destruction, loss or theft of any Security, and there is delivered to the Company and the Trustee such security or
indemnity as may be required by them to save each of them harmless, then, in the absence of notice to the Company or the Trustee that such Security has been acquired by a bona fide purchaser, the Company shall execute and upon its written request
the Trustee shall authenticate and deliver, in exchange for any such mutilated Security or in lieu of any such destroyed, lost or stolen Security, a new Security of like tenor and principal amount, bearing a certificate number not contemporaneously
outstanding. 
  
 In case any such mutilated, destroyed, lost or
stolen Security has become or is about to become due and payable, or is about to be purchased by the Company pursuant to Article III hereof, the Company in its discretion may, instead of issuing a new Security, pay or purchase such Security, as the
case may be. 
  
 Upon the issuance of any new Securities under
this Section 2.7, the Company may require the payment of a sum sufficient to cover any tax or other governmental charge that may be imposed in relation thereto and any other expenses (including the fees and expenses of the Trustee) connected
therewith. 
  

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 Every new Security issued pursuant to this Section 2.7 in lieu of any mutilated, destroyed, lost or
stolen Security shall constitute an original additional contractual obligation of the Company, whether or not the destroyed, lost or stolen Security shall be at any time enforceable by anyone, and shall be entitled to all benefits of this Indenture
equally and proportionately with any and all other Securities duly issued hereunder. 
  
 The provisions of this Section 2.7 are exclusive and shall preclude (to the extent lawful) all other rights and remedies with respect to the replacement or payment of mutilated, destroyed, lost or stolen
Securities. 
  
 Section 2.8 Outstanding Securities;
Determinations of Holders’ Action. Securities outstanding at any time are all the Securities authenticated by the Trustee except for those cancelled by it, those paid pursuant to Section 2.7, those delivered to it for cancellation or
surrendered for transfer or exchange and those described in this Section 2.8 as not outstanding. A Security does not cease to be outstanding because the Company or an Affiliate thereof holds the Security; provided, however, that
in determining whether the Holders of the requisite principal amount of Securities have given or concurred in any request, demand, authorization, direction, notice, consent, waiver, or other Act hereunder, Securities owned by the Company or any
other obligor upon the Securities or any Affiliate of the Company or such other obligor shall be disregarded and deemed not to be outstanding, except that, in determining whether the Trustee shall be protected in relying upon any such request,
demand, authorization, direction, notice, consent, waiver or other Act, only Securities which a Responsible Officer of the Trustee actually knows to be so owned shall be so disregarded. Subject to the foregoing, only Securities outstanding at the
time of such determination shall be considered in any such determination (including, without limitation, determinations pursuant to Articles VI and VIII hereof). 
  
 If a Security is replaced pursuant to Section 2.7, it ceases to be outstanding unless the Trustee receives proof
satisfactory to it that the replaced Security is held by a bona fide purchaser. 
  
 If the Paying Agent holds, in accordance with this Indenture, on a Redemption Date, or on the Business Day following an Optional Purchase Date or a Fundamental Change Purchase Date, as defined herein, or on Stated
Maturity, money sufficient to pay Securities payable on that date, then immediately after such Redemption Date, Optional Purchase Date, Fundamental Change Purchase Date or Stated Maturity, as the case may be, such Securities shall cease to be
outstanding and interest, including Contingent Interest, if any, on such Securities shall cease to accrue whether or not such Securities are delivered to the Paying Agent; provided, that if such Securities are to be redeemed, notice of such
redemption has been duly given pursuant to this Indenture or provision therefor satisfactory to the Trustee has been made. 
  
 If a Security is converted in accordance with Article IX, then from and after the time of conversion on the date of conversion, such Security shall cease
to be outstanding and interest, including Contingent Interest, if any, shall cease to accrue on such Security. 
  
 Section 2.9 Temporary Securities. Pending the preparation of definitive Securities, the Company may execute, and upon Company Order the
Trustee shall authenticate and deliver, temporary Securities which are printed, lithographed, typewritten, mimeographed or otherwise 

  

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produced, in any authorized denomination, substantially of the tenor of the definitive Securities in lieu of which they are issued and with such appropriate
insertions, omissions, substitutions and other variations as the officers executing such Securities may determine, as conclusively evidenced by their execution of such Securities. 
  
 If temporary Securities are issued, the Company will cause definitive Securities to be prepared without unreasonable delay.
After the preparation of definitive Securities, the temporary Securities shall be exchangeable for definitive Securities upon surrender of the temporary Securities at the office or agency of the Company designated for such purpose pursuant to
Section 2.3, without charge to the Holder. Upon surrender for cancellation of any one or more temporary Securities, the Company shall execute and the Trustee shall authenticate and deliver in exchange therefor a like principal amount of
definitive Securities of authorized denominations. Until so exchanged the temporary Securities shall in all respects be entitled to the same benefits under this Indenture as definitive Securities. 
  
 Section 2.10 Cancellation. If the Company shall acquire any of
the Securities, such acquisition shall not operate as a redemption or satisfaction of the indebtedness represented by such Securities unless the same are delivered to the Trustee for cancellation. All Securities surrendered for payment, purchase by
the Company pursuant to Article III, conversion, redemption or registration of transfer or exchange shall, if surrendered to any Person other than the Trustee, be delivered to the Trustee and shall be promptly cancelled by it. The Company may at any
time deliver to the Trustee for cancellation any Securities previously authenticated and delivered hereunder which the Company may have acquired in any manner whatsoever, and all Securities so delivered shall be promptly cancelled by the Trustee.
The Company may not issue new Securities to replace Securities it has paid or delivered to the Trustee for cancellation or that any Holder has converted pursuant to Article IX. No Securities shall be authenticated in lieu of or in exchange for any
Securities cancelled as provided in this Section, except as expressly permitted by this Indenture. All cancelled Securities held by the Trustee shall be disposed of by the Trustee in accordance with the Trustee’s customary procedure.

  
 Section 2.11 Persons Deemed Owners. Prior to due
presentment of a Security for registration of transfer, the Company, the Trustee and any agent of the Company or the Trustee may treat the Person in whose name such Security is registered as the owner of such Security for the purpose of receiving
payment of principal of the Security or the payment of any Redemption Price, Optional Purchase Price or Fundamental Change Purchase Price, as defined herein, in respect thereof, and interest thereon, for the purpose of conversion and for all other
purposes whatsoever, whether or not such Security be overdue, and neither the Company, the Trustee nor any agent of the Company or the Trustee shall be affected by notice to the contrary. 
  
 None of the Company, the Trustee, any Paying Agent or the Registrar will have any responsibility or liability for any aspect
of the records relating to or payments made on account of beneficial ownership interests of a Security in global form or for maintaining, supervising or reviewing any records relating to such beneficial ownership interests. 
  

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 Section 2.12 Global Securities. 
  
 (a) Notwithstanding any other provisions of this Indenture or the
Securities, (A) transfers of a Global Security, in whole or in part, shall be made only in accordance with Section 2.6 and Section 2.12(a)(i), (B) transfers or exchanges of a beneficial interest in a Global Security for an
interest in the same or another Global Security shall comply with Section 2.6 and Section 2.12(a)(ii) below, (C) transfers or exchanges of a beneficial interest in a Global Security for a Certificated Security shall comply with
Section 2.6, Section 2.12(a)(iii) below and Section 2.12(e)(1) below, and (D) transfers or exchanges of a Certificated Security shall comply with Section 2.6 and Sections 2.12(a)(iv) and (a)(v) below. 
  
 (i) Transfer of Global Security. A Global Security may not be
transferred, in whole or in part, to any Person other than the Depositary or a nominee or any successor thereof, and no such transfer to any such other Person may be registered; provided that this clause (i) shall not prohibit any
transfer of a Certificated Security that is issued in exchange for a Global Security. No transfer of a Global Security to any Person shall be effective under this Indenture or the Securities unless and until such Security has been registered in the
name of such Person. Nothing in this Section 2.12(a)(i) shall prohibit or render ineffective any transfer of a beneficial interest in a Global Security effected in accordance with the other provisions of this Section 2.12. 
  
 (ii) Transfer or Exchange of a Beneficial Interest in a Global Security
for a Beneficial Interest in the Same or Another Global Security. 
  
 (x) A beneficial interest in a Global Security may not be transferred or exchanged for a beneficial interest in another Global Security except upon satisfaction of the requirements set forth below. Upon receipt by the Trustee of a request
to transfer or exchange of a beneficial interest in a Global Security in accordance with Applicable Procedures for a beneficial interest in another Global Security, together with: 
  
 (A) written instructions to the Trustee to make, or direct the Registrar to make, in the case of a transfer or
exchange of a beneficial interest in a Global Security for a beneficial interest in another Global Security, an adjustment on its books and records with respect to such Global Securities to reflect a decrease and increase in the aggregate principal
amount of the Securities represented by such Global Securities, such instructions to contain information regarding the Depositary accounts to be credited with such decrease and increase; and 
  
 (B) if the Company or the Trustee so requests, an Opinion of Counsel or
other evidence reasonably satisfactory to it as to the compliance with the restrictions set forth in the Legend, 
  
 then the Trustee, (1) shall cause, or direct the Registrar to cause, in accordance with the standing instructions and procedures existing between the Depositary and
the Registrar, the aggregate principal amount of the Securities represented by the appropriate Global Security to be decreased by the aggregate principal amount that the other Global Security is increased and (2) in accordance with the standing
instructions and procedures existing between the Depositary and the Registrar and Applicable Procedures, shall debit and credit or cause to be debited or credited, as appropriate, to the accounts of the persons specified in such instructions a
beneficial interest in the Global Security or Global Securities, as appropriate, equal to the amount of the beneficial interests so transferred or exchanged. 
  

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 (y) Beneficial interests in a Global Security may be transferred to Persons who take delivery in the
same Global Security in accordance with the Applicable Procedures. No written orders or instructions shall be required to be delivered to the Registrar or the Trustee to effect the transactions described in this Section 2.12(a)(ii)(y).

  
 (iii) Transfer or Exchange of a Beneficial Interest in a
Global Security for a Certificated Security. A beneficial interest in a Global Security may not be exchanged for a Certificated Security except upon satisfaction of the requirements set forth below and in Section 2.12(b)(1) below. Upon
receipt by the Trustee of a transfer of a beneficial interest in a Global Security in accordance with Applicable Procedures for a Certificated Security in the form satisfactory to the Trustee, together with written instructions to the Trustee to
make, or direct the Registrar to make, an adjustment on its books and records with respect to such Global Security to reflect a decrease in the aggregate principal amount of the Securities represented by the Global Security, such instructions to
contain information regarding the Depositary account to be credited with such decrease then the Trustee shall cause, or direct the Registrar to cause, in accordance with the standing instructions and procedures existing between the Depositary and
the Registrar, the aggregate principal amount of the Securities represented by the Global Security to be decreased by the aggregate principal amount of the Certificated Security to be issued, shall issue such Certificated Security and shall debit or
cause to be debited to the account of the person specified in such instructions a beneficial interest in the Global Security equal to the principal amount of the Certificated Security so issued. 
  
 (iv) Transfer and Exchange of Certificated Securities. When
Certificated Securities are presented to the Registrar with a request: 
  
 (y) to register the transfer of such Certificated Securities; or 
  
 (z) to exchange such Certificated Securities for an equal principal amount of Certificated Securities of other authorized denominations, 
  
 the Registrar shall register the transfer or make the exchange as requested if its reasonable
requirements for such transaction are met; provided, however, that the Certificated Securities surrendered for transfer or exchange shall be duly endorsed or accompanied by a written instrument of transfer in form reasonably
satisfactory to the Company and the Registrar, duly executed by the Holder thereof or his attorney duly authorized in writing. 
  
 (v) Transfer of a Certificated Security for a Beneficial Interest in a Global Security. A Certificated Security may not be exchanged for a
beneficial interest in a Global Security except upon satisfaction of the requirements set forth below. 
  
 Upon receipt by the Trustee of a Certificated Security, duly endorsed or accompanied by appropriate instruments of transfer, in form satisfactory to the
Trustee, together with written instructions directing the Trustee to make, or to direct the Registrar to make, an adjustment on its books and records with respect to such Global Security to reflect an increase in the aggregate principal amount of
the Securities represented by the Global Security, such instructions to 

  

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contain information regarding the Depositary account to be credited with such increase, then the Trustee shall cancel such Certificated Security and cause,
or direct the Registrar to cause, in accordance with the standing instructions and procedures existing between the Depositary and the Registrar, the aggregate principal amount of Securities represented by the Global Security to be increased by the
aggregate principal amount of the Certificated Security to be exchanged, and shall credit or cause to be credited to the account of the Person specified in such instructions a beneficial interest in the Global Security equal to the principal amount
of the Certificated Security so cancelled. If no Global Securities are then outstanding, the Company shall issue and the Trustee shall authenticate, upon written order of the Company in the form of an Officers’ Certificate, a new Global
Security in the appropriate principal amount. 
  
 (b) The
provisions of clauses (1), (2), (3), (4) and (5) below shall apply only to Global Securities: 
  
 (1) Notwithstanding any other provisions of this Indenture or the Securities, a Global Security shall not be exchanged in whole or in part for a
Security registered in the name of any Person other than the Depositary or one or more nominees thereof, provided that a Global Security may be exchanged for Securities registered in the names of any Person designated by the Depositary in the
event that (i) the Depositary has notified the Company that it is unwilling or unable to continue as Depositary for such Global Security or such Depositary has ceased to be a “clearing agency” registered under the Exchange Act, and a
successor Depositary is not appointed by the Company within 90 days or (ii) the Company elects to discontinue use of the system of book entry transfer through DTC (or any successor Depositary). Any Global Security exchanged pursuant to clause
(i) above shall be so exchanged in whole and not in part, and any Global Security exchanged pursuant to clause (ii) above may be exchanged in whole or from time to time in part as directed by the Depositary. Any Security issued in exchange
for a Global Security or any portion thereof shall be a Global Security; provided that any such Security so issued that is registered in the name of a Person other than the Depositary or a nominee thereof shall not be a Global Security.

  
 (2) Securities issued in exchange for a Global Security
or any portion thereof shall be issued in definitive, fully registered form, without interest coupons, shall have an aggregate principal amount equal to that of such Global Security or portion thereof to be so exchanged, shall be registered in such
names and be in such authorized denominations as the Depositary shall designate and shall bear the applicable legends provided for herein. Any Global Security to be exchanged in whole shall be surrendered by the Depositary to the Trustee, as
Registrar. With regard to any Global Security to be exchanged in part, either such Global Security shall be so surrendered for exchange or, if the Trustee is acting as custodian for the Depositary or its nominee with respect to such Global Security,
the principal amount thereof shall be reduced, by an amount equal to the portion thereof to be so exchanged, by means of an appropriate adjustment made on the records of the Trustee. Upon any such surrender or adjustment, the Trustee shall
authenticate and deliver the Security issuable on such exchange to or upon the order of the Depositary or an authorized representative thereof. 
  
 (3) Subject to the provisions of clause (5) below, the registered Holder may grant proxies and otherwise authorize any Person, including Agent
Members (as defined below) and Persons that may hold interests through Agent Members, to take any action which a holder is entitled to take under this Indenture or the Securities. 
  

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 (4) In the event of the occurrence of any of the events specified in clause (1) above, the
Company will promptly make available to the Trustee a reasonable supply of Certificated Securities in definitive, fully registered form, without interest coupons. 
  
 (5) Neither any members of, or participants in, the Depositary (collectively, the “Agent Members”)
nor any other Persons on whose behalf Agent Members may act shall have any rights under this Indenture with respect to any Global Security registered in the name of the Depositary or any nominee thereof, or under any such Global Security, and the
Depositary or such nominee, as the case may be, may be treated by the Company, the Trustee and any agent of the Company or the Trustee as the absolute owner and holder of such Global Security for all purposes whatsoever. Notwithstanding the
foregoing, nothing herein shall prevent the Company, the Trustee or any agent of the Company or the Trustee from giving effect to any written certification, proxy or other authorization furnished by the Depositary or such nominee, as the case may
be, or impair, as between the Depositary, its Agent Members and any other Person on whose behalf an Agent Member may act, the operation of customary practices of such Persons governing the exercise of the rights of a holder of any Security.

  
 (c) By its acceptance of any Security bearing the Legend, each
Holder of such Security acknowledges the restrictions on transfer of such Security set forth in this Indenture and agrees that it will transfer such Security only as provided in this Indenture. 
  
 Section 2.13 CUSIP Numbers. The Company may issue the Securities
with one or more “CUSIP” numbers (if then generally in use), and, if so, the Trustee shall use “CUSIP” numbers in notices of redemption as a convenience to Holders; provided that any such notice may state that no representation
is made as to the correctness of such numbers either as printed on the Securities or as contained in any notice of a redemption and that reliance may be placed only on the other identification numbers printed on the Securities, and any such
redemption shall not be affected by any defect in or omission of such numbers. The Company will promptly notify the Trustee of any change in the CUSIP numbers. 
  

Section 2.14 Contingent Interest. Beginning with the six-month interest period commencing December 15, 2015, the Company will pay
contingent interest during any six-month interest period to the Holders of the Securities if the Trading Price of the Securities for each of the five Trading Days ending on the second Trading Day immediately preceding the first day of the applicable
six-month interest period equals or exceeds 120% of the principal amount of the Securities (such interest is referred to as “Contingent Interest”). 
  
 During any six-month period when Contingent Interest shall be payable, the Contingent Interest payable per $1,000 principal
amount of the Securities will equal 0.25% of the average Trading Price of $1,000 principal amount of Securities during the five Trading Days ending on the second Trading Day immediately preceding the first day of the applicable six-month interest
period. 
  

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 For purposes of determining the Trading Price for the contingent interest provisions, if the Trustee
cannot reasonably obtain at least one bid for $5,000,000 principal amount of the Securities from a nationally recognized securities dealer or in the Company’s reasonable judgment the bid quotations are not indicative of the secondary market
value of the Securities, then the Trading Price per $1,000 principal amount of the Securities will be determined by a nationally recognized securities dealer retained by the Company for that purpose. 
  
 The Company will notify Holders prior to the beginning of any six-month
interest period that they will be entitled to receive Contingent Interest during such six-month interest period. 
  
 Section 2.15 Tax Treatment of Securities. The Company agrees, and by purchasing a beneficial ownership interest in the Securities each Holder,
and any Person (including an entity) that acquires a direct or indirect beneficial interest in the Securities, will be deemed to have agreed (i) for United States federal income tax purposes, to treat the Securities as indebtedness of the
Company that is subject to United States Treasury Regulations Section 1.1275-4 (the “Contingent Payment Regulations”), (ii) for purposes of the Contingent Payment Regulations, to treat the fair market value of any stock
and cash beneficially received by a beneficial holder upon any conversion of the Securities as a contingent payment, (iii) to be bound by the Company’s determination that the Securities are contingent payment debt instruments subject to
the “noncontingent bond method” of accruing original issue discount within the meaning of the Contingent Payment Regulations with respect to the Securities, (iv) to accrue original issue discount at the comparable yield as determined
by the Company and (v) to be bound by the Company’s projected payment schedule with respect to the Securities. The parties hereto acknowledge that the comparable yield and the schedule of projected payments are not determined for any
purpose other than for the determination of interest accruals and adjustments thereof in respect of the Securities for United States federal income tax purposes; and that the comparable yield and the schedule of projected payments do not constitute
a projection or representation regarding the future stock price or the amounts payable on the Securities. For purposes of the foregoing, the Company’s determination of the “comparable yield” is 7.625% per annum, compounded
semi-annually. A Holder of Securities may obtain the amount of original issue discount, issue date, comparable yield and projected payment schedule by submitting a written request to: Omnicare, Inc., 100 East RiverCenter Boulevard, Covington,
Kentucky 41011, Attention: Chief Financial Officer. 
  
 Section 2.16 Upward Interest Rate Reset. Unless the Company shall have issued a notice of redemption to redeem all outstanding Securities on December 15, 2015, then beginning on December 15, 2015, the interest rate on
the Securities will increase to the Reset Rate if the Reset Rate Condition is satisfied. The Initial Reset Rate will remain in effect until the Trading Price of the Securities for each of the five trading days ending on the second trading day
immediately preceding the first day of any interest period (the “Measuring Price”) equals or exceeds 115% of the principal amount of the Securities, upon which the Initial Reset Rate will be reduced by 1% per annum beginning on
the first day of such interest period. Thereafter, the Initial Reset Rate, as reduced from time to time (the “Reset Rate”) will continue to be reduced by an additional 1% per annum beginning on the first day of any interest
period if the Measuring Price for such interest period equals or exceeds 115% of the principal amount of the Securities, provided that the Reset Rate will never be less than 3.25% per annum. If any required reduction in the Reset Rate would
otherwise result in the Reset Rate being less than 3.25% per annum, then 

  

 19 

 
the Reset Rate will be reduced by such lesser amount as will result in the Reset Rate being equal to 3.25% per annum. Under no circumstances will the
Reset Rate be increased after the Initial Reset Rate is established or after the Reset Rate in effect at any time is reduced as described above. The interest rate adjustments provided for in this section will not affect the Company’s obligation
to pay Contingent Interest in accordance with Section 2.14 of this Indenture. 
  
 The “Initial Reset Rate” will equal the rate, determined as of the fifth business day prior to December 15, 2015, that would, in the sole judgment of the reset rate agent, cause the Securities to
have a hypothetical trading price as of such date of 101% of the principal amount thereof. In no event, however, will the Reset Rate (including without limitation the Initial Reset Rate) be more than 1.99 times the rate of 3.25% per annum.

  
 The “Reset Rate Condition” will be satisfied
if, in the sole judgment of the reset rate agent determined on the fifth business day prior to December 15, 2015, the hypothetical trading price of the Securities assuming such Securities had no provision for repurchase by the Company at the
option of the Holder, would as of such date be less than the principal amount of the convertible debentures. 
  
 For purposes of determining Trading Price in this Section 2.16, in connection with determining the duration of, and any decreases in, Reset Rate
interest, if the Trustee cannot reasonably obtain at least one bid for $5,000,000 principal amount of the Securities from a nationally recognized securities dealer or in the Company’s reasonable judgment the bid quotations are not indicative of
the secondary market value of the Securities, then the Trading Price per $1,000 principal amount of the Securities will be determined by a nationally recognized securities dealer retained by the Company for that purpose. 
  
 The Company will appoint a reset rate agent. If the reset rate agent
determines that the Reset Rate Condition has been satisfied, the reset rate agent will determine a rate that it believes should be the Initial Reset Rate and will also seek an indicative reference rate from a nationally-recognized investment bank
(the “Indicative Reference Rate”). If the Indicative Reference Rate is within 10% of the rate determined by the reset rate agent, then the rate determined by the reset rate agent will be used. If the Indicative Reference Rate
differs from the rate determined by the reset rate agent by more than 10%, then the reset rate agent will select a second nationally-recognized investment bank, and such investment bank will choose either the rate determined by the reset rate agent
or the Indicative Reference Rate as the rate to be used as the Initial Reset Rate. The determination with respect to whether the Reset Rate Condition has been satisfied and, if so, the Initial Reset Rate will be conclusive and binding upon the reset
rate agent, the Company, the Trustee and the Holders of the Securities, in the absence of manifest error. The Company may remove the reset rate agent and appoint a successor reset rate agent at any time. 
  
 As promptly as practicable after it has been determined that the Reset Rate
Condition has been satisfied, the Company will notify holders of such determination and the amount of the Initial Reset Rate. 
  

 20 

 ARTICLE III. 
 REDEMPTION AND PURCHASES 
  
 Section 3.1 Company’s Right to Redeem; Notices to Trustee. Prior to December 15, 2015, the Securities will not be redeemable at the Company’s option. Beginning on December 15, 2015, the Company, at its
option, may redeem the Securities, subject to and in accordance with the terms and conditions of Section 5 of the Securities, for cash, as a whole or in part, at a redemption price equal to the principal amount of those Securities. In addition,
the Company will pay any accrued and unpaid interest, including Contingent Interest, if any, on those Securities (including Securities which are converted into Common Stock under the circumstances specified in Section 9.9) to but not including
the Redemption Date. If the Company elects to redeem Securities pursuant to Section 5 of the Securities, it shall notify the Trustee in writing of the Redemption Date, the principal amount of Securities to be redeemed and the Redemption Price.

  
 The Company shall give the notice to the Trustee of its
intention to exercise its right to redeem the Securities as provided for in this Section 3.1 by a Company Order at least ten Business Days prior to the day the Redemption Notice is to be mailed. 
  
 Section 3.2 Selection of Securities to Be Redeemed. If less than
all the Securities are to be redeemed, unless the procedures of the Depositary provide otherwise, the Trustee shall select the Securities to be redeemed by lot, on a pro rata basis or by another method the Trustee considers fair and appropriate (so
long as such method is not prohibited by the rules of any stock exchange on which the Securities are then listed). The Trustee shall make the selection within five Business Days after it receives the notice provided for in Section 3.1 from
outstanding Securities not previously called for redemption. The Trustee may select for redemption portions of the principal amount of Securities that have denominations larger than $1,000. 
  
 Securities and portions of Securities that the Trustee selects shall be in
principal amounts of $1,000 or an integral multiple of $1,000. Provisions of this Indenture that apply to Securities called for redemption also apply to portions of Securities called for redemption. The Trustee shall notify the Company promptly of
the Securities or portions of the Securities to be redeemed. 
  
 Securities and portions of Securities that are to be redeemed are convertible by the Holder until the close of business on the second Business Day prior to the Redemption Date unless the Company fails to pay the Redemption Price on the
Redemption Date. If any Security selected for partial redemption is converted in part before termination of the conversion right with respect to the portion of the Security so selected, the converted portion of such Security shall be deemed (so far
as may be) to be the portion selected for redemption. Securities which have been converted during a selection of Securities to be redeemed may be treated by the Trustee as outstanding for the purpose of such selection. 
  
 Section 3.3 Notice of Redemption. At least 30 days but not more
than 60 days before a Redemption Date, the Company shall mail a notice of redemption (the “Redemption Notice”) by first-class mail, postage prepaid, to each Holder of Securities to be redeemed. 
  
 The notice shall identify the Securities to be redeemed and shall state:

  
 (1) the Redemption Date; 
  
 (2) the Redemption Price; 
  

 21 

 (3) the Conversion Rate on the date of such notice; 
  
 (4) the name and address of the Paying Agent and Conversion Agent;

  
 (5) that Securities called for redemption may be
converted at any time before the close of business on the second Business Day prior to the Redemption Date; 
  
 (6) that Holders who wish to convert their Securities must satisfy the requirements set forth in Section 8 of the Securities; 
  
 (7) that Securities called for redemption must be surrendered to the
Paying Agent to collect the Redemption Price; 
  
 (8) if
fewer than all of the outstanding Securities are to be redeemed, the certificate numbers, if any, and principal amounts of the particular Securities to be redeemed; 
  
 (9) that, unless the Company defaults in making payment of such Redemption Price, interest on Securities called for
redemption will cease to accrue interest on and after the Redemption Date; 
  
 (10) the CUSIP number(s) of the Securities; and 
  
 (11) any other information the Company wants to present. 
  
 At the Company’s request, the Trustee shall give the notice of redemption in the Company’s name and at the Company’s expense, provided that the Company shall have delivered to the Trustee, at
least 45 days prior to the Redemption Date (unless the Trustee agrees to a shorter period), an Officers’ Certificate requesting that the Trustee give such notice and setting forth the information to be stated in such notice as provided in the
preceding paragraph. 
  
 Section 3.4 Effect of Notice of
Redemption. Once notice of redemption is given, Securities called for redemption become due and payable on the Redemption Date and at the Redemption Price stated in the notice except for Securities which are converted in accordance with the
terms of this Indenture. Upon surrender to the Paying Agent, such Securities shall be paid at the Redemption Price stated in the notice. 
  
 Section 3.5 Deposit of Redemption Price. Prior to 12:00 noon, New York City time, on the Redemption Date, the Company shall deposit with the
Paying Agent (or if the Company or a Subsidiary or an Affiliate of either of them is the Paying Agent, shall segregate and hold in trust) money sufficient to pay the applicable Redemption Price of all Securities to be redeemed on that date other
than Securities or portions of Securities called for redemption which on or prior thereto 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 conversion of Securities pursuant to Article IX. If such money is then held by the Company in trust and is not required for such purpose, it shall be discharged from such trust. 

 

 22 

 Section 3.6 Securities Redeemed in Part. Upon surrender of a Security that is redeemed in
part, the Company shall execute and the Trustee shall authenticate and deliver to the Holder a new Security in an authorized denomination equal in principal amount to the unredeemed portion of the Security surrendered. 
  
 Section 3.7 Purchase of Securities at Option of the Holder.

  
 (a) On December 15, 2015, each Holder of Securities not
previously purchased or redeemed by the Company shall have the right, at such Holder’s option, to require the Company to redeem all of such Holder’s Securities for cash or any portion thereof that is a multiple of $1,000, at a purchase
price equal to 100% of the principal amount of the Securities being purchased, plus accrued and unpaid interest (including Contingent Interest, if any) (the “Optional Purchase Price”), as of December 15, 2015 (the
“Optional Purchase Date”), subject to satisfaction by or on behalf of the Holder of the requirements set forth in Section 3.7(c). The interest (including Contingent Interest, if any) will be paid on the Optional Purchase Date
to the Holder of record on the Record Date. 
  
 (b) No later than
twenty Business Days prior to the Optional Purchase Date, the Company shall mail a written notice of the Optional Purchase Date by first class mail to the Trustee and to each Holder (and to beneficial owners as required by applicable law). The
notice shall include a form of Optional Change Purchase Notice to be completed by the Holder and shall state: 
  
 (1) the date by which the Optional Purchase Notice, as defined herein, pursuant to this Section 3.7 must be delivered to the Paying Agent in
order for a Holder to exercise the repurchase rights; 
  
 (2) the Optional Purchase Date; 
  
 (3) the
Optional Purchase Price; 
  
 (4) the name and address of the
Paying Agent and the Conversion Agent; 
  
 (5) the
Conversion Rate on the date of such notice and any adjustments thereto; 
  
 (6) that the Securities as to which a Optional Purchase Notice has been given may be converted if they are otherwise convertible pursuant to Article IX hereof only if the Optional Purchase Notice has been
withdrawn in accordance with the terms of this Indenture; 
  
 (7) that the Securities must be surrendered to the Paying Agent to collect payment; 
  
 (8) that the Optional Purchase Price for any Security as to which a Optional Purchase Notice has been duly given and not withdrawn will be paid
promptly following the later of the Optional Purchase Date and the time of surrender of such Security as described in clause (7) above; 
  

 23 

 (9) briefly, the procedures the Holder must follow to exercise rights under this Section 3.7;

  
 (10) briefly, the conversion rights of the Securities;

  
 (11) the procedures for withdrawing an Optional Purchase
Notice; 
  
 (12) that, unless the Company defaults in making
payment of such Optional Purchase Price, interest, if any, on Securities surrendered for purchase by the Company will cease to accrue on and after the Optional Purchase Date; 
  
 (13) the CUSIP number(s) of the Securities; and 
  
 (15) any other information the Company wants to present. 
  
 (c) A Holder may exercise its rights specified in Section 3.7(a) upon delivery of a written notice of purchase (an
“Optional Purchase Notice”) to the Paying Agent at any time from 9:00 a.m., New York City time, on the date that is 20 Business Days prior to the Optional Purchase Date, to 5:00 p.m., New York City time, on the Optional Purchase
Date, specifying: 
  
 (1) the certificate number of the
Security, if certificated, which the Holder will deliver to be purchased; 
  
 (2) the portion of the principal amount of the Security which the Holder will deliver to be purchased, which portion must be $1,000 or an integral multiple of $1,000; and 
  
 (3) that such Security shall be purchased pursuant to the terms and
conditions specified in Section 6 of the Securities and in this Indenture; 
  
 (4) provided, however, that if the Securities are not certificated, the notice must comply with the appropriate Depositary procedures. 
  
 The delivery of such Security to the Paying Agent with the Optional Purchase Notice (together with all necessary
endorsements) at the offices of the Paying Agent shall be a condition to the receipt by the Holder of the Optional Purchase Price therefor; provided, however, that such Optional Purchase Price shall be so paid pursuant to this
Section 3.7 and Section 3.8 only if the Security so delivered to the Paying Agent shall conform in all respects to the description thereof set forth in the related Optional Purchase Notice. 
  
 The Company shall purchase from the Holder thereof, pursuant to this
Section 3.7 and Section 3.8, a portion of a Security 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 Security also apply to the
purchase of such portion of such Security. 
  
 Any purchase by the
Company contemplated pursuant to the provisions of this Section 3.7 and Section 3.8 shall be consummated by the delivery of the consideration to be received by the Holder. 
  

 24 

 Notwithstanding anything herein to the contrary, any Holder delivering to the Paying Agent the Optional
Purchase Notice contemplated by this Section 3.7(c) shall have the right to withdraw such Optional Purchase Notice, in whole or in part, at any time prior to the close of business on the Optional Purchase Date by delivery of a written notice of
withdrawal to the Paying Agent in accordance with Section 3.8. 
  
 The Paying Agent shall promptly notify the Company of the receipt by it of any Optional Purchase Notice or written withdrawal thereof. 
  
 Section 3.8 Effect of Optional Purchase Notice; Withdrawal. Upon receipt by the Paying Agent of the Optional Purchase Notice specified in
Section 3.7(c), the Holder of the Security in respect of which such Optional Purchase Notice was given shall (unless such Optional Purchase Notice is withdrawn as specified in the following two paragraphs) thereafter be entitled to receive
solely the Optional Purchase Price with respect to such Security. Such Optional Purchase Price shall be paid to such Holder, subject to the receipt of funds by the Paying Agent, promptly following the later of (x) the Optional Purchase Date
with respect to such Security (provided the conditions in Section 3.7(c) have been satisfied) and (y) the time of delivery of such Security to the Paying Agent by the Holder thereof in the manner required by Section 3.7(c). Securities
in respect of which an Optional Purchase Notice has been given by the Holder thereof may not be converted pursuant to Article IX hereof on or after the date of the delivery of such Optional Purchase Notice unless such Optional Purchase Notice has
first been validly withdrawn as specified in the following two paragraphs. 
  
 If the Paying Agent holds on the Business Day immediately following the Optional Purchase Date cash sufficient to pay the Optional Purchase Price of the Securities that Holders have elected to require the Company to
purchase, then, as of the Optional Purchase Date (x) those Securities will cease to be outstanding and interest (including Contingent Interest, if any) will cease to accrue, whether or not book-entry transfer of the Securities has been made or
the Securities have been delivered to the Paying Agent, as the case may be and (y) all other rights of those Security Holders will terminate, other than the right to receive the Optional Purchase Price upon delivery or transfer of the
Securities. 
  
 An Optional 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 Optional Purchase Notice, at any time prior to 5:00 p.m., New York City time, on the Optional Purchase Date, specifying: 
  
 (1) the certificate number, if any, of the Security in respect of
which such notice of withdrawal is being submitted; 
  
 (2) the principal amount of the Security with respect to which such notice of withdrawal is being submitted, and 
  
 (3) the principal amount, if any, of such Security which remains subject to the original Optional Purchase Notice, and which has been or will be
delivered for purchase by the Company; 
  

 25 

 (4) provided, however, that if the Securities are not certificated, the notice must comply with the
appropriate Depositary procedures. 
  
 There shall be no purchase
of any Securities pursuant to Section 3.7 if there has occurred (prior to, on or after, as the case may be, the giving, by the Holders of such Securities, of the required Optional Purchase Notice) and is continuing an Event of Default, as
defined herein (other than a default in the payment of the Optional Purchase Price with respect to such Securities). The Paying Agent will promptly return to the respective Holders thereof any Securities (x) with respect to which an Optional
Purchase Notice has been withdrawn in compliance with this Indenture, or (y) held by it during the continuance of an Event of Default (other than a default in the payment of the Optional Purchase Price with respect to such Securities) in which
case, upon such return, the Optional Purchase Notice with respect thereto shall be deemed to have been withdrawn. 
  
 Section 3.9 Deposit of Optional Purchase Price. Prior to 12:00 noon, New York City time, on the Business Day following the Optional Purchase
Date, the Company shall deposit with the Trustee or with the Paying Agent (or, if the Company or a Subsidiary or an Affiliate of either of them is acting as the Paying Agent, shall segregate and hold in trust as provided in Section 2.4) an
amount of cash (in immediately available funds if deposited on such Business Day) sufficient to pay the aggregate Optional Purchase Price of all the Securities or portions thereof which are to be purchased as of the Optional Purchase Date.

  
 Section 3.10 Purchase of Securities at Option of the
Holder upon Fundamental Change. 
  
 (a) (1) If a
Fundamental Change occurs at any time prior to the Stated Maturity (subject to certain exceptions set forth below), each Holder of Securities not previously purchased or redeemed by the Company shall have the right, at such Holder’s option, to
require the Company to redeem all of such Holder’s Securities for cash or any portion thereof that is a multiple of $1,000, at a purchase price equal to 100% of the principal amount of the Securities being purchased, plus accrued and unpaid
interest (including Contingent Interest, if any) (the “Fundamental Change Purchase Price”), as of the date that is between 20 and 35 days after the date of a notice of Fundamental Change delivered by the Company pursuant to
Section 3.10(b) (the “Fundamental Change Purchase Date”), subject to satisfaction by or on behalf of the Holder of the requirements set forth in Section 3.10(c). 
  
 A “Fundamental Change” will be deemed to have occurred at such time
after the Securities are originally issued when any of the following events shall occur: 
  
 (i) the consummation of any transaction (including, without limitation, any merger or consolidation) the result of which is that any “person” (as that term is defined in Rule 13d-3 and Rule 13d-5 under the
Exchange Act), other than one or more Principals and their Related Parties becomes the “beneficial owner” (as this term is defined in Rule 13d-3 and Rule 13d-5 under the Exchange Act), directly or indirectly, of more than 50% of the
Company’s capital stock that is at the time entitled to vote in the election of the Company’s board of directors (or comparable body); or 
  

 26 

 (ii) the first day on which a majority of the members of the Board of Directors of the Company does not
consist of Continuing Directors; or 
  
 (iii) the adoption of a
plan relating to the Company’s liquidation or dissolution; or 
  
 (iv) the Company consolidates or merges with or into any other Person, any merger of another Person into the Company, or any conveyance, transfer, sale, lease or other disposition, in one or a series of related transactions, of all or
substantially all of the Company’s assets and those of its Subsidiaries taken as a whole to another “person” (as that term is used in Section 13(d)(3) of the Exchange Act), other than: (A) any transaction: (1) that does
not result in any reclassification, conversion, exchange or cancellation of outstanding shares of Capital Stock of the Company; and (2) pursuant to which the holders of 50% or more of the total voting power of all shares of Capital Stock of the
Company entitled to vote generally in elections of directors immediately prior to the transaction have the right to exercise, directly or indirectly, 50% or more of the total voting power of all shares of Capital Stock of the Company entitled to
vote generally in elections of directors of the continuing or surviving Person immediately after giving effect to such transaction; or (B) any merger primarily for the purpose of changing the Company’s jurisdiction of incorporation and
resulting in a reclassification, conversion or exchange of outstanding shares of Common Stock, solely into shares of common stock of the surviving entity, or 
  
 (v) the termination of trading of the Common Stock, which shall be deemed to have occurred if the Common Stock or other common stock into which the notes
are convertible is neither listed for trading on a United States national securities exchange nor approved for listing on The Nasdaq National Market or any similar United States system of automated dissemination of quotations of securities prices or
traded in over-the-counter securities markets, and no American Depositary Shares or similar instruments for such common stock are so listed or approved for listing in the United States. 
  
 “Principal” means Joel Gemunder, an entity controlled by Joel Gemunder and/or a trust for his benefit or
any employee benefit plan of the Company (including plans for the benefit of employees of its Subsidiaries). 
  
 “Related Party” means (i) any controlling stockholder, 80% (or more) owned subsidiary, or immediate family member (in the case of an
individual) of any Principal; or (ii) any trust, corporation, partnership or other entity, the beneficiaries, stockholders, partners, owners or persons beneficially holding an 80% or more controlling interest of which consist of any one or more
Principals and/or such other persons referred to in the immediately preceding clause (i). 
  
 A “Continuing Director” shall mean, as of any date of determination, any member of the Board of Directors who: 
  

(i) was a member of the Board of Directors of the Company on the date hereof; or 
  
 (ii) was nominated for election, appointed or elected to the Board of Directors with the approval of a majority of the
Continuing Directors who were members of the 

  

 27 

 
Board of Directors at the time of the new director’s nomination, appointment or election, either by a specific vote or by approval of the proxy
statement issued by the Company on behalf of the Company’s entire Board of Directors in which such individual is named as a nominee for director. 
  
 (2) Notwithstanding the provisions of Section 3.10(a)(1), the Company shall not be required to purchase the Securities of the Holders upon a
Fundamental Change pursuant to this Section 3.10 (and a Fundamental Change shall be deemed not to have occurred) if more than 90% of the consideration in the transaction or transactions (other than cash payments for fractional shares and cash
payments made in respect of dissenters’ appraisal rights) which otherwise would constitute a Fundamental Change under clause (i) or (iv) above consists of shares of common stock, depositary receipts or other certificates representing
common equity interests traded or to be traded immediately following such transaction on a national securities exchange or quoted on The Nasdaq National Market, and, as a result of the transaction or transactions, the Securities become convertible
solely into such common stock, depositary receipts or other certificates representing common equity interests (and any rights attached thereto). 
  
 For the purposes of this Section 3.10, (x) whether a Person is a “beneficial owner” shall be determined in accordance with Rule 13d-3 and Rule 13d-5
under the Exchange Act (except that any of those Persons shall be deemed to have beneficial ownership of all securities it has the right to acquire, whether the right is currently exercisable or is exercisable only upon the occurrence of a
subsequent condition) and (y) the term “Person” includes any syndicate or group that would be deemed to be a “person” under Section 13(d)(3) of the Exchange Act. 
  
 (b) No later than ten days after the occurrence of a Fundamental Change, the
Company shall mail a written notice of the Fundamental Change by first class mail to the Trustee and to each Holder (and to beneficial owners as required by applicable law). The notice shall include a form of Fundamental Change Purchase Notice to be
completed by the Holder and shall state: 
  
 (1) briefly,
the events causing a Fundamental Change and the date of such Fundamental Change; 
  
 (2) the date by which the Fundamental Change Purchase Notice, as defined herein, pursuant to this Section 3.10 must be delivered to the Paying Agent in order for a Holder to exercise the repurchase rights;

  
 (3) the Fundamental Change Purchase Date; 
  
 (4) the Fundamental Change Purchase Price; 
  
 (5) the name and address of the Paying Agent and the Conversion Agent;

  
 (6) the Conversion Rate on the date of such notice and
any adjustments thereto; 
  

 28 

 (7) that the Securities as to which a Fundamental Change Purchase Notice has been given may be
converted if they are otherwise convertible pursuant to Article IX hereof only if the Fundamental Change Purchase Notice has been withdrawn in accordance with the terms of this Indenture; 
  
 (8) that the Securities must be surrendered to the Paying Agent to collect payment; 
  
 (9) that the Fundamental Change Purchase Price for any Security as to
which a Fundamental Change Purchase Notice has been duly given and not withdrawn will be paid promptly following the later of the Fundamental Change Purchase Date and the time of surrender of such Security as described in clause (8) above;

  
 (10) briefly, the procedures the Holder must follow to
exercise rights under this Section 3.10; 
  
 (11) briefly, the conversion rights of the Securities; 
  
 (12) the procedures for withdrawing a Fundamental Change Purchase Notice; 
  
 (13) that, unless the Company defaults in making payment of such Fundamental Change Purchase Price, interest, if any, on Securities surrendered for purchase by the Company will cease to accrue on and after the
Fundamental Change Purchase Date; 
  
 (14) the CUSIP
number(s) of the Securities; and 
  
 (15) any other information
the Company wants to present. 
  
 (c) A Holder may exercise its
rights specified in Section 3.10(a) upon delivery of a written notice of purchase (a “Fundamental Change Purchase Notice”) to the Paying Agent at any time on or prior to 5:00 p.m., New York City time, on the Fundamental Change
Purchase Date, specifying: 
  
 (1) the certificate number
of the Security, if certificated, which the Holder will deliver to be purchased; 
  
 (2) the portion of the principal amount of the Security which the Holder will deliver to be purchased, which portion must be $1,000 or an integral multiple of $1,000; and 
  
 (3) that such Security shall be purchased pursuant to the terms and
conditions specified in Section 6 of the Securities and in this Indenture; 
  
 (4) provided, however, that if the Securities are not certificated, the notice must comply with the appropriate Depositary procedures. 
  

 29 

 The delivery of such Security to the Paying Agent with the Fundamental Change Purchase Notice (together
with all necessary endorsements) at the offices of the Paying Agent shall be a condition to the receipt by the Holder of the Fundamental Change Purchase Price therefor; provided, however, that such Fundamental Change Purchase Price
shall be so paid pursuant to this Section 3.10 and Section 3.11 only if the Security so delivered to the Paying Agent shall conform in all respects to the description thereof set forth in the related Fundamental Change Purchase Notice.

  
 The Company shall purchase from the Holder thereof, pursuant
to this Section 3.10 and Section 3.11, a portion of a Security 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 Security also apply to
the purchase of such portion of such Security. 
  
 Any purchase by
the Company contemplated pursuant to the provisions of this Section 3.10 and Section 3.11 shall be consummated by the delivery of the consideration to be received by the Holder. 
  
 Notwithstanding anything herein to the contrary, any Holder delivering to the Paying Agent the Fundamental Change Purchase
Notice contemplated by this Section 3.10(c) shall have the right to withdraw such Fundamental Change Purchase Notice, in whole or in part, at any time prior to the close of business on the Fundamental Change Purchase Date by delivery of a
written notice of withdrawal to the Paying Agent in accordance with Section 3.11. 
  
 The Paying Agent shall promptly notify the Company of the receipt by it of any Fundamental Change Purchase Notice or written withdrawal thereof. 
  
 Section 3.11 Effect of Fundamental Change Purchase Notice; Withdrawal. Upon receipt by the Paying Agent of the
Fundamental Change Purchase Notice specified in Section 3.10(c), the Holder of the Security in respect of which such Fundamental Change Purchase Notice was given shall (unless such Fundamental Change Purchase Notice is withdrawn as specified in
the following two paragraphs) thereafter be entitled to receive solely the Fundamental Change Purchase Price with respect to such Security. Such Fundamental Change Purchase Price shall be paid to such Holder, subject to the receipt of funds by the
Paying Agent, promptly following the later of (x) the Fundamental Change Purchase Date with respect to such Security (provided the conditions in Section 3.10(c) have been satisfied) and (y) the time of delivery of such Security to the
Paying Agent by the Holder thereof in the manner required by Section 3.10(c). Securities in respect of which a Fundamental Change Purchase Notice has been given by the Holder thereof may not be converted pursuant to Article IX hereof on or
after the date of the delivery of such Fundamental Change Purchase Notice unless such Fundamental Change Purchase Notice has first been validly withdrawn as specified in the following two paragraphs. 
  
 If the Paying Agent holds on the Business Day immediately following the
Fundamental Change Purchase Date cash sufficient to pay the Fundamental Change Purchase Price of the Securities that Holders have elected to require the Company to purchase, then, as of the Fundamental Change Purchase Date (x) those Securities
will cease to be outstanding and interest (including Contingent Interest, if any) will cease to accrue, whether or not book-entry transfer of 

  

 30 

 
the Securities has been made or the Securities have been delivered to the Paying Agent, as the case may be and (y) all other rights of those Security
Holders will terminate, other than the right to receive the Fundamental Change Purchase Price upon delivery or transfer of the Securities. 
  
 A Fundamental Change 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 Fundamental Change Purchase Notice, at any time prior to 5:00 p.m., New York City time, on the Fundamental Change Purchase Date, specifying: 
  
 (1) the certificate number, if any, of the Security in respect of which such notice of withdrawal is being submitted; 
  
 (2) the principal amount of the Security with respect to which such
notice of withdrawal is being submitted; and 
  
 (3) the
principal amount, if any, of such Security which remains subject to the original Fundamental Change Purchase Notice, and which has been or will be delivered for purchase by the Company; 
  
 (4) provided, however, that if the Securities are not certificated, the notice must comply with the appropriate
Depositary procedures. 
  
 There shall be no purchase of any
Securities pursuant to Section 3.10 if there has occurred (prior to, on or after, as the case may be, the giving, by the Holders of such Securities, of the required Fundamental Change Purchase Notice) and is continuing an Event of Default, as
defined herein (other than a default in the payment of the Fundamental Change Purchase Price with respect to such Securities). The Paying Agent will promptly return to the respective Holders thereof any Securities (x) with respect to which a
Fundamental Change Purchase Notice has been withdrawn in compliance with this Indenture, or (y) held by it during the continuance of an Event of Default (other than a default in the payment of the Fundamental Change Purchase Price with respect
to such Securities) in which case, upon such return, the Purchase Notice with respect thereto shall Fundamental Change be deemed to have been withdrawn. 
  
 Section 3.12 Deposit of Fundamental Change Purchase Price. Prior to 12:00 noon, New York City time, on the Business Day following the
Fundamental Change Purchase Date, the Company shall deposit with the Trustee or with the Paying Agent (or, if the Company or a Subsidiary or an Affiliate of either of them is acting as the Paying Agent, shall segregate and hold in trust as provided
in Section 2.4) an amount of cash (in immediately available funds if deposited on such Business Day) sufficient to pay the aggregate Fundamental Change Purchase Price of all the Securities or portions thereof which are to be purchased as of the
Fundamental Change Purchase Date. 
  
 Section 3.13
Securities Purchased in Part. Any Certificated Security which is to be purchased only in part shall be surrendered at the office of the Paying Agent (with, if the Company or the Trustee so requires, due endorsement by, or a written instrument
of transfer in form satisfactory to the Company and the Trustee duly executed by, the Holder thereof or such Holder’s attorney duly authorized in writing) and the Company shall execute and the Trustee shall authenticate and deliver to the
Holder of such Security, without service charge, a new 

  

 31 

 
Security or Securities, of any authorized denomination as requested by such Holder in aggregate principal amount equal to, and in exchange for, the portion
of the principal amount of the Security so surrendered which is not purchased. 
  
 Section 3.14 Covenant to Comply With Securities Laws Upon Purchase of Securities. When complying with the provisions of Section 3.7 and Section 3.10 (provided that such offer or purchase
constitutes an “issuer tender offer” for purposes of Rule 13e-4 (which term, as used herein, includes any successor provision thereto) under the Exchange Act at the time of such offer or purchase), and subject to any exemptions
available under applicable law, the Company shall (i) comply with Rule 13e-4 and Rule 14e-1 (or any successor provision) under the Exchange Act, (ii) file the related Schedule TO (or any successor schedule, form or report) under the
Exchange Act, and (iii) otherwise comply with all Federal and state securities laws so as to permit the rights and obligations under Section 3.7 and Section 3.10 to be exercised in the time and in the manner specified in
Section 3.7 and Section 3.10. 
  
 Section 3.15
Repayment to the Company. The Trustee and the Paying Agent shall return to the Company any cash that remains unclaimed as provided in Section 12 of the Securities, together with interest or dividends, if any, thereon (subject to the
provisions of Section 7.1(f)), held by them for the payment of the Optional Purchase Price or the Fundamental Change Purchase Price; provided, however, that to the extent that the aggregate amount of cash deposited by the Company
pursuant to Section 3.9 or Section 3.12 exceeds the aggregate Optional Purchase Price or the Fundamental Change Purchase Price, as applicable, of the Securities or portions thereof which the Company is obligated to purchase as of the
Optional Purchase Date or the Fundamental Change Purchase Date, then, unless otherwise agreed in writing with the Company, promptly after the Business Day following the Optional Purchase Date or the Fundamental Change Purchase Date, as applicable,
the Trustee shall return any such excess to the Company together with interest thereon (subject to the provisions of Section 7.1(f)). 
  
 ARTICLE IV. 
 COVENANTS

  
 Section 4.1 Payment of Securities. The Company
shall promptly make all payments in respect of the Securities on the dates and in the manner provided in the Securities or pursuant to this Indenture. Any amounts of cash to be given to the Trustee or Paying Agent, shall be deposited with the
Trustee or Paying Agent by 12:00 noon, New York City time, by the Company. Principal amount plus accrued interest, if any, including Contingent Interest, if any, the Redemption Price, the Optional Purchase Price, the Fundamental Change Purchase
Price and cash interest, if any, shall be considered paid on the applicable date due if on such date the Trustee or the Paying Agent holds, in accordance with this Indenture, cash sufficient to pay all such amounts then due. 
  
 Section 4.2 SEC and Other Reports. The Company shall file with
the Trustee, within 15 days after it files such annual and quarterly reports, information, documents and other reports with the SEC, copies of its annual report and of the information, documents and other reports (or copies of such portions of any
of the foregoing as the SEC may by rules and regulations prescribe) which the Company is required to file with the SEC pursuant to Section 13 or 15(d) of the Exchange Act. The Company also shall comply with the other provisions of TIA Section

  

 32 

 
314(a). Delivery of such reports, information and documents to the Trustee is for informational purposes only and the Trustee’s receipt of such shall
not constitute constructive notice of any information contained therein or determinable from information contained therein, including the Company’s compliance with any of its covenants hereunder (as to which the Trustee is entitled to rely
conclusively on Officers’ Certificates). 
  
 Section 4.3
Compliance Certificate. The Company shall deliver to the Trustee within 120 days after the end of each fiscal year of the Company an Officers’ Certificate, stating whether or not to the knowledge of the signers thereof, the Company is in
default in the performance and observance of any of the terms, provisions and conditions of this Indenture (without regard to any period of grace or requirement of notice provided hereunder) and if the Company shall be in default, specifying all
such defaults and the nature and status thereof of which they may have knowledge. 
  
 Section 4.4 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 4.5 Maintenance of Office or Agency. The Company will maintain in the Borough of Manhattan, The City of New York, an office or agency of the Trustee, Registrar, Paying Agent and Conversion Agent where Securities may be
presented or surrendered for payment, where Securities may be surrendered for registration of transfer, exchange, purchase, redemption or conversion and where notices and demands to or upon the Company in respect of the Securities and this Indenture
may be served. The office of the Trustee, shall initially be such office or agency for all of the aforesaid purposes. The Company shall give prompt written notice to the Trustee of the location, and of any change in the location, of any such office
or agency (other than a change in the location of the office of 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 address of the Trustee set forth in Section 12.2. 
  
 The Company may also from time to time designate one or more other offices or agencies where the Securities may be presented or surrendered for any or all
such purposes and may from time to time rescind such designations; provided, however, that no such designation or rescission 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. 
  
 Section 4.6 Treatment of Securities. Each Holder, by acceptance of a Security, and beneficial owner, by acceptance of a beneficial ownership interest in a Security, agrees to treat the Securities as indebtedness of the Company
for U.S. federal income tax purposes and not to take any action inconsistent with such treatment. 
  
 ARTICLE V. 
 SUCCESSOR CORPORATION 
  
 Section 5.1 When Company May Merge or Transfer Assets. The
Company may not, in a single transaction or a series of related transactions, consolidate with or merge with or into 

  

 33 

 
any other person or sell, convey, transfer or lease our property and assets substantially as an entirety to another person, unless: 
  
 (a) either (x) the Company is the continuing corporation or
(y) the resulting, surviving or transferee person (if other than the Company) is a corporation or limited liability company organized and existing under the laws of the United States, any state thereof or the District of Columbia and such
person assumes, by a supplemental indenture in a form reasonably satisfactory to the Trustee, all of the Company’s obligations under the Securities and this Indenture; 
  
 (b) immediately after giving effect to such transaction, no Default or Event of Default has occurred and is continuing;

  
 (c) if as a result of such transaction the Securities become
convertible into common stock or other securities issued by a third party, such third party fully and unconditionally guarantees all obligations of the Company or such successor under the Securities and this Indenture; and 
  
 (d) the Company has delivered to the Trustee certain certificates and
opinions of counsel if so requested by the Trustee. 
  
 In the
event of any transaction described in and complying with the conditions listed in the immediately preceding paragraph in which the Company is not the continuing corporation, the successor person formed or remaining shall succeed, and be substituted
for, and may exercise every right and power of, the Company, and the Company shall be discharged from its obligations, under the Securities and this Indenture. 
  

ARTICLE VI. 
 DEFAULTS AND REMEDIES

  
 Section 6.1 Events of Default. So long as any
Securities are outstanding, each of the following shall be an “Event of Default”: 
  
 (1) the Company defaults for 30 days in the payment when due of interest (including Contingent Interest, if any) on the Securities; 
  
 (2) the Company defaults in payment when due of the principal of, or
premium, if any, on the Securities; 
  
 (3) failure by the
Company or the Guarantor to comply with the Article III or Article V of this Indenture; 
  
 (4) failure by the Company to deliver cash and, if applicable, Common Stock upon the conversion of any Securities and such failure continues for five days following the scheduled settlement date for such
conversion; 
  
 (5) failure by the Company or the Guarantor
for 60 days after notice to comply with any of the other agreements in this Indenture; 
  

 34 

 (6) the Company defaults under any mortgage, indenture or instrument under which there may be
issued or by which there may be secured or evidenced any indebtedness for money borrowed by the Company or any of its Significant Subsidiaries (or the payment of which is guaranteed by us or any of its Significant Subsidiaries) whether such
indebtedness or guarantee now exists, or is created after the date of issuance, if that default (x) is caused by a failure to pay principal of such indebtedness at its final stated maturity after giving effect to any grace period provided in
such indebtedness on the date of such default (a “payment default”); or (y) results in the acceleration of such indebtedness prior to its express maturity, and, in each case, the principal amount of any such indebtedness,
together with the principal amount of any other such indebtedness under which there has been a payment default or the maturity of which has been so accelerated, aggregates $70.0 million or more; 
  
 (7) failure by the Company or any of its Significant Subsidiaries to
pay final, non-appealable judgments aggregating in excess of $70.0 million that are not covered by insurance or as to which an insurer has not acknowledged coverage in writing, which judgments are not paid, discharged or stayed for a period of 60
days; 
  
 (8) the guarantee by the Guarantor shall be held
in any final, nonappealable judicial proceeding to be unenforceable or invalid or shall cease for any reason to be in full force and effect or the Guarantor, or any person acting on behalf of the Guarantor, shall deny or disaffirm its obligations
under its guarantee; 
  
 (9) the entry by a court having
jurisdiction in the premises of (i) a decree or order for relief in respect of the Company or any of its Significant Subsidiaries, in an involuntary case or proceeding under any applicable bankruptcy, insolvency, reorganization or other similar
law or (ii) a decree or order adjudging the Company or any of its Significant Subsidiaries, as bankrupt or insolvent, or approving as properly filed a petition seeking reorganization, arrangement, adjustment or composition of or in respect of
the Company or any of its Significant Subsidiaries, under any applicable law, or appointing a custodian, receiver, liquidator, assignee, trustee, sequestrator or other similar official of the Company or of any substantial part of its property, or
ordering the winding up or liquidation of its affairs, and the continuance of any such decree or order for relief or any such other decree or order unstayed and in effect for a period of 60 consecutive days; or 
  
 (10) the commencement by the Company or any of its Significant
Subsidiaries, of a voluntary case or proceeding under any applicable bankruptcy, insolvency, reorganization or other similar law or of any other case or proceeding to be adjudicated a bankrupt or insolvent, or the consent by the Company or any of
its Significant Subsidiaries, to the entry of a decree or order for relief in respect of the Company or any of its Significant Subsidiaries, in an involuntary case or proceeding under any applicable bankruptcy, insolvency, reorganization or other
similar law or to the commencement of any bankruptcy or insolvency case or proceeding against the Company, or the filing by the Company or any of its Significant Subsidiaries, of a petition or answer or consent seeking reorganization or relief under
any applicable law, or the consent by the Company to the filing of such petition or to the appointment of or the taking possession by a custodian, receiver, liquidator, assignee, trustee, sequestrator or other similar official of the Company or of
any substantial part of its property, or the making by the Company or any of its Significant Subsidiaries, of an assignment for the benefit of creditors, 

  

 35 

 
or the admission by the Company or any of its Significant Subsidiaries, in writing of its inability to pay its debts generally as they become due, or the
taking of corporate action by the Company or any of its Significant Subsidiaries, expressly in furtherance of any such action. 
  
 The Trustee shall, within 90 days of the occurrence of a Default or Event of Default, give to the Holders of the Securities notice of all uncured Defaults
or Events of Default known to it, its status and what action the Company is taking or proposes to take with respect thereto; provided, however, the Trustee shall be protected in withholding such notice if it, in good faith, determines
that the withholding of such notice is in the best interest of such Holders, except in the case of a Default or Event of Default under clause (1) or (2) above. 
  
 Section 6.2 Acceleration. If an Event of Default (other than an Event of Default specified in
Section 6.1(9) or (10) with respect to the Company) occurs and is continuing (the Event of Default not having been cured or waived as provided in this Article VI), the Trustee by notice to the Company, or the Holders of at least 25% in
aggregate principal amount of the Securities at the time outstanding by notice to the Company and the Trustee, may declare the principal amount plus accrued and unpaid interest, including Contingent Interest, if any, on all the Securities to be
immediately due and payable. Upon such a declaration, such accelerated amount shall be due and payable immediately. If an Event of Default specified in Section 6.1(9) or (10) occurs (with respect to the Company) and is continuing, the
principal amount plus accrued and unpaid interest, including Contingent Interest, if any, on all the Securities shall become and be immediately due and payable without any declaration or other act on the part of the Trustee or any Securityholders.
The Holders of a majority in aggregate principal amount of the Securities at the time outstanding, by notice to the Trustee (and without notice to any other Securityholder) may rescind or annul an acceleration and its consequences if the rescission
or annulment would not conflict with any judgment or decree and if all existing Events of Default have been cured or waived except nonpayment of the principal amount plus accrued and unpaid interest, including Contingent Interest, if any, that have
become due solely as a result of acceleration and if all amounts due to the Trustee under Section 7.7 have been paid. No such rescission or annulment shall affect any subsequent Default or impair any right consequent thereto. 
  
 Section 6.3 Other Remedies. If an Event of Default occurs and is
continuing, the Trustee may pursue any available remedy to collect the payment of the principal amount plus accrued and unpaid interest, including Contingent Interest, if any, on the Securities or to enforce the performance of any provision of the
Securities or this Indenture. 
  
 The Trustee may maintain a
proceeding even if the Trustee does not possess any of the Securities or does not produce any of the Securities in the proceeding. A delay or omission by the Trustee or any Securityholder in exercising any right or remedy accruing upon an Event of
Default shall not impair the right or remedy or constitute a waiver of, or acquiescence in, the Event of Default. No remedy is exclusive of any other remedy. All available remedies are cumulative. 
  
 Section 6.4 Waiver of Past Defaults. The Holders of a majority in
aggregate principal amount of the Securities at the time outstanding, by notice to the Trustee (and without notice to any other Securityholder), may waive an existing Default or Event of Default and its 

  

 36 

 
consequences except (i) an Event of Default described in Section 6.1(1) or 6.1(2), (ii) a Default or Event of Default in respect of a
provision that under Section 8.2 cannot be amended without the consent of each Securityholder affected, (iii) a Default or Event of Default which constitutes a failure to convert any Security in accordance with the terms of Article IX or
(iv) a Default or Event of Default which constitutes a failure to comply with Article III of this Indenture. When a Default or Event of Default is waived, it is deemed cured, but no such waiver shall extend to any subsequent or other Default or
Event of Default or impair any consequent right. This Section 6.4 shall be in lieu of Section 316(a)(1)(B) of the TIA and such Section 316(a)(1)(B) is hereby expressly excluded from this Indenture, as permitted by the TIA. 

 
 Section 6.5 Control by Majority. The Holders of a majority in
aggregate principal amount of the Securities at the time outstanding may direct the time, method and place of conducting any proceeding for any remedy available to the Trustee or of exercising any trust or power conferred on the Trustee. However,
the Trustee may refuse to follow any direction that conflicts with law or this Indenture or that the Trustee determines in good faith is unduly prejudicial to the rights of other Securityholders or would involve the Trustee in personal liability
unless the Trustee is offered indemnity satisfactory to it. This Section 6.5 shall be in lieu of Section 316(a)(1)(A) of the TIA and such Section 316(a)(1)(A) is hereby expressly excluded from this Indenture, as permitted by the TIA.

  
 Section 6.6 Limitation on Suits. A Securityholder
may not pursue any remedy with respect to this Indenture or the Securities unless: 
  
 (1) the Holder gives to the Trustee written notice stating that an Event of Default is continuing; 
  
 (2) the Holders of at least 50% in aggregate principal amount of the Securities at the time outstanding make a written request to the Trustee to
pursue the remedy; 
  
 (3) such Holder or Holders offer to
the Trustee security or indemnity satisfactory to the Trustee against any loss, liability or expense; 
  
 (4) the Trustee does not comply with the request within 60 days after receipt of such notice, request and offer of security or indemnity; and

  
 (5) the Holders of a majority in aggregate principal
amount of the Securities at the time outstanding do not give the Trustee a direction inconsistent with the request during such 60-day period. 
  
 A Securityholder may not use this Indenture to prejudice the rights of any other Securityholder or to obtain a preference or priority over any other
Securityholder. 
  
 Section 6.7 Rights of Holders to
Receive Payment. Notwithstanding any other provision of this Indenture, the right of any Holder to receive payment of the principal amount, Redemption Price, Optional Purchase Price, Fundamental Change Purchase Price or interest, including
Contingent Interest, if any, in respect of the Securities held by such Holder, on or after the respective due dates expressed in the Securities or any Redemption Date, and to convert the Securities in accordance with Article IX, or to bring suit for
the enforcement of any such payment on or after such respective dates or the right to convert, shall not be impaired or affected adversely without the consent of such Holder. 
  

 37 

 Section 6.8 Collection Suit by Trustee. If an Event of Default described in
Section 6.1(1), 6.1(2) or 6.1(3) occurs and is continuing, the Trustee may recover judgment in its own name and as trustee of an express trust against the Company for the whole amount owing with respect to the Securities and the amounts
provided for in Section 7.7. 
  
 Section 6.9 Trustee
May File Proofs of Claim. In case of the pendency of any receivership, insolvency, liquidation, bankruptcy, reorganization, arrangement, adjustment, composition or other judicial proceeding relative to the Company or any other obligor upon the
Securities or the property of the Company or of such other obligor or their creditors, the Trustee (irrespective of whether the principal amount, Redemption Price, Optional Purchase Price, Fundamental Change Purchase Price or interest, including
Contingent Interest, if any, in respect of the Securities 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 on the Company for the payment of any such
amount) shall be entitled and empowered, by intervention in such proceeding or otherwise, 
  
 (a) to file and prove a claim for the whole amount of the principal amount, Redemption Price, Optional Purchase Price, Fundamental Change Purchase Price, or interest, including Contingent Interest, if any, and to file
such other papers or documents as may be necessary or advisable in order to have the claims of the Trustee (including any claim for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel or any other
amounts due the Trustee under Section 7.7) and of the Holders allowed in such judicial proceeding, and 
  
 (b) to collect and receive any moneys or other property payable or deliverable on any such claims and to distribute the same; and any custodian, receiver,
assignee, trustee, liquidator, sequestrator or similar official in any such judicial proceeding is hereby authorized by each Holder to make such payments to the Trustee and, in the event that the Trustee shall consent to the making of such payments
directly to the Holders, to pay the Trustee any amount due it for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel, and any other amounts due the Trustee under Section 7.7. 
  
 Nothing herein contained shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder any plan of reorganization, arrangement, adjustment or composition affecting the Securities or the rights of any Holder thereof, or to authorize the Trustee to vote in respect of the
claim of any Holder in any such proceeding. 
  
 Section 6.10
Priorities. If the Trustee collects any money pursuant to this Article VI, it shall pay out the money in the following order: 
  
 FIRST: to the Trustee for amounts due under Section 7.7; 
  
 SECOND: to Securityholders for amounts due and unpaid on the Securities for the principal amount, Redemption Price, Optional Purchase Price, Fundamental
Change Purchase Price or interest, including Additional Amounts, if any, as the case may be, ratably, without preference or priority of any kind, according to such amounts due and payable on the Securities; and 
  

 38 

 THIRD: the balance, if any, to the Company. 
  
 The Trustee may fix a record date and payment date for any payment to Securityholders pursuant to this Section 6.10. At
least 15 days before such record date, the Trustee shall mail to each Securityholder and the Company a notice that states the record date, the payment date and the amount to be paid. 
  
 Section 6.11 Undertaking for Costs. In any suit for the enforcement of any right or remedy under this Indenture
or in any suit against the Trustee for any action taken or omitted by it as Trustee, a court in its discretion may require the filing by any party litigant (other than the Trustee) in the suit of an undertaking to pay the costs of the suit, and the
court in its discretion may assess reasonable costs, including reasonable attorneys’ fees and expenses, against any party litigant in the suit, having due regard to the merits and good faith of the claims or defenses made by the party litigant.
This Section 6.11 does not apply to a suit by the Trustee, a suit by a Holder pursuant to Section 6.7 or a suit by Holders of more than 10% in aggregate principal amount of the Securities at the time outstanding. This Section 6.11
shall be in lieu of Section 315(e) of the TIA and such Section 315(e) is hereby expressly excluded from this Indenture, as permitted by the TIA. 
  
 Section 6.12 Waiver of Stay, Extension or Usury Laws. The Company covenants (to the extent that it may lawfully do so) that it will not at any
time insist upon, or plead, or in any manner whatsoever claim or take the benefit or advantage of, any stay or extension law or any usury or other law wherever enacted, now or at any time hereafter in force, which would prohibit or forgive the
Company from paying all or any portion of the principal amount, Redemption Price, Optional Purchase Price or Fundamental Change Purchase Price in respect of Securities, or any interest, including Contingent Interest, if any, on such amounts, as
contemplated herein, or which may affect the covenants or the performance of this Indenture; and the Company (to the extent that it may lawfully do so) hereby expressly waives all benefit or advantage of any such law, and covenants that it will not
hinder, delay or impede the execution of any power herein granted to the Trustee, but will suffer and permit the execution of every such power as though no such law had been enacted. 
  
 ARTICLE VII. 
 TRUSTEE 
  
 Section 7.1 Duties of
Trustee. 
  
 (a) If an Event of Default has occurred and is
continuing, the Trustee shall exercise the rights and powers vested in it by this Indenture and use the same degree of care and skill in its exercise as a prudent person would exercise or use under the circumstances in the conduct of such
person’s own affairs. 
  
 (b) Except during the continuance
of an Event of Default: 
  
 (1) the Trustee need perform
only those duties that are specifically set forth in this Indenture and no others; and 
  

 39 

 (2) in the absence of bad faith on its part, the Trustee may conclusively rely, as to the truth of
the statements and the correctness of the opinions expressed therein, upon certificates or opinions furnished to the Trustee and conforming to the requirements of this Indenture, but in the case of any such certificates or opinions which by any
provision hereof are specifically required to be furnished to the Trustee, the Trustee shall examine the certificates and opinions to determine whether or not they conform to the requirements of this Indenture, but need not confirm or investigate
the accuracy of mathematical calculations or other facts stated therein. This Section 7.1(b) shall be in lieu of Section 315(a) of the TIA and such Section 315(a) is hereby expressly excluded from this Indenture, as permitted by the
TIA. 
  
 (c) The Trustee may not be relieved from liability for
its own negligent action, its own negligent failure to act or its own willful misconduct, except that: 
  
 (1) this Section (c) does not limit the effect of Section (b) of this Section 7.1; 
  
 (2) the Trustee shall not be liable for any error of judgment made in
good faith by a Responsible Officer unless it is proved that the Trustee was negligent in ascertaining the pertinent facts; and 
  
 (3) the Trustee shall not be liable with respect to any action it takes or omits to take in good faith in accordance with a direction received by it
pursuant to Section 6.5. Subparagraphs(c)(1), (2) and (3) shall be in lieu of Sections 315(d)(1), 315(d)(2) and 315(d)(3) of the TIA and such Sections 315(d)(1), 315(d)(2) and 315(d)(3) are hereby expressly excluded from this
Indenture, as permitted by the TIA. 
  
 (d) Every provision of
this Indenture that in any way relates to the Trustee is subject to paragraphs (a), (b), (c), (e) and (f) of this Section 7.1. 
  
 (e) The Trustee may refuse to perform any duty or exercise any right or power or extend or risk its own funds or otherwise incur any financial liability
unless it receives indemnity satisfactory to it against any loss, liability or expense. 
  
 (f) Money held by the Trustee in trust hereunder need not be segregated from other funds except to the extent required by law. The Trustee (acting in any capacity hereunder) shall be under no liability for interest on
any money received by it hereunder unless otherwise agreed in writing with the Company. 
  
 Section 7.2 Rights of Trustee. Subject to its duties and responsibilities under the TIA, 
  
 (a) the Trustee may conclusively rely and shall be protected in acting or refraining from acting upon any resolution, certificate, statement, instrument,
opinion, report, notice, request, direction, consent, order, bond, debenture, note, other evidence of indebtedness or other paper or document believed by it to be genuine and to have been signed or presented by the proper party or parties;

  

 40 

 (b) whenever in the administration of this Indenture the Trustee shall deem it desirable that a matter be
proved or established prior to taking, suffering or omitting any action hereunder, the Trustee (unless other evidence be herein specifically prescribed) may, in the absence of bad faith on its part, conclusively rely upon an Officers’
Certificate; 
  
 (c) the Trustee may execute any of the trusts or
powers hereunder or perform any duties hereunder either directly or by or through agents or attorneys and the Trustee shall not be responsible for any misconduct or negligence on the part of any agent or attorney appointed with due care by it
hereunder; 
  
 (d) the Trustee shall not be liable for any action
taken, suffered, or omitted to be taken by it in good faith which it believes to be authorized or within its rights or powers conferred under this Indenture; 
  
 (e) the Trustee may consult with counsel selected by it and any advice or Opinion of Counsel shall be full and complete authorization and protection in
respect of any action taken or suffered or omitted by it hereunder in good faith and in accordance with such advice or Opinion of Counsel; 
  
 (f) 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 Holders, pursuant to the provisions of this Indenture, unless such Holders 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;

  
 (g) any request or direction of the Company mentioned herein
shall be sufficiently evidenced by a Company Request or Company Order and any resolution of the Board of Directors may be sufficiently evidenced by a Board Resolution; 
  
 (h) 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, note, other evidence of indebtedness 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 at the sole cost of the Company and shall incur no liability or additional liability of any kind by reason of such inquiry or investigation; 
  
 (i) the Trustee shall not be deemed to have notice of any Default or Event of Default unless a Responsible Officer of the Trustee has actual knowledge
thereof or unless written notice of any event which is in fact such a default is received by the Trustee at the Corporate Trust Office of the Trustee, and such notice references the Securities and this Indenture; 
  

 41 

 (j) the rights, privileges, protections, immunities and benefits given to the Trustee, including, without
limitation, its right to be indemnified, are extended to, and shall be enforceable by, the Trustee in each of its capacities hereunder, and to each agent, custodian and other Person employed to act hereunder; 
  
 (k) in no event shall the Trustee be responsible or liable for special,
indirect or consequential loss of damage of any kind whatsoever (including, but not limited to, loss of profit) irrespective of whether the Trustee has been advised of the likelihood of such loss or damage and regardless of the form of action; and

  
 (l) the Trustee may request that the Company deliver an
Officers’ Certificate setting forth the names of individuals and/or titles of officers authorized at such time to take specified actions pursuant to this Indenture, which Officers’ Certificate may be signed by any Person authorized to sign
an Officers’ Certificate, including any Person specified as so authorized in any such certificate previously delivered and not superseded. 
  
 Section 7.3 Individual Rights of Trustee. The Trustee in its individual or any other capacity may become the owner or pledgee of Securities
and may otherwise deal with the Company or its Affiliates with the same rights it would have if it were not Trustee. Any Paying Agent, Registrar, Conversion Agent or co-registrar may do the same with like rights. However, the Trustee must comply
with Sections 7.10 and 7.11. 
  
 Section 7.4
Trustee’s Disclaimer. The Trustee makes no representation as to the validity or adequacy of this Indenture or the Securities, it shall not be accountable for the Company’s use or application of the proceeds from the Securities, it
shall not be responsible for any statement in the registration statement for the Securities under the Securities Act or in any offering document for the Securities, the Indenture or the Securities (other than its certificate of authentication), or
the determination as to which beneficial owners are entitled to receive any notices hereunder. 
  
 Section 7.5 Notice of Defaults. If a Default occurs and if it is known to the Trustee, the Trustee shall give to each Securityholder notice of the Default within 90 days after it occurs or, if later,
within 15 days after it is known to the Trustee, unless such Default shall have been cured or waived before the giving of such notice. Notwithstanding the preceding sentence, except in the case of a Default described in Section 6.1(1), 6.1(2)
or 6.1(3), the Trustee may withhold the notice if and so long as a committee of its Responsible Officers in good faith determines that withholding the notice is in the interest of the Securityholders. The preceding sentence shall be in lieu of the
proviso to Section 315(b) of the TIA and such proviso is hereby expressly excluded from this Indenture, as permitted by the TIA. The Trustee shall not be deemed to have knowledge of a Default unless a Responsible Officer of the Trustee has
received written notice of such Default, which notice specifically references this Indenture and the Securities. 
  
 Section 7.6 Reports by Trustee to Holders. Within 60 days after each June 1 beginning with the June 1 following the date of this
Indenture, the Trustee shall mail to each Securityholder a brief report dated as of such June 1 that complies with TIA Section 313(a), if required by such Section 313(a). The Trustee also shall comply with TIA Section 313(b).

  

 42 

 A copy of each report at the time of its mailing to Securityholders shall be filed with the SEC and each
securities exchange, if any, on which the Securities are listed. The Company agrees to notify the Trustee promptly whenever the Securities become listed on any securities exchange and of any delisting thereof. 
  
 Section 7.7 Compensation and Indemnity. The Company shall pay to
the Trustee from time to time reasonable compensation for its acceptance of this Indenture and services hereunder. The Trustee’s compensation shall not be limited by any law on compensation of a trustee of an express trust. The Company shall
reimburse the Trustee promptly upon request for all reasonable disbursements, advances and expenses incurred or made by it in addition to the compensation for its services. Such expenses shall include the reasonable compensation, disbursements and
expenses of the Trustee’s agents and counsel. 
  
 The Company
shall indemnify the Trustee against any and all losses, liabilities or expenses incurred by it arising out of or in connection with the acceptance or administration of its duties under this Indenture, including the costs and expenses of enforcing
this Indenture against the Company (including this Section 7.7) and defending itself against any claim (whether asserted by the Company or any Holder or any other person) or liability in connection with the exercise or performance of any of its
powers or duties hereunder, except to the extent any such loss, liability or expense may be attributable to its negligence or bad faith. The Trustee shall notify the Company promptly of any claim for which it may seek indemnity. Failure by the
Trustee to so notify the Company shall not relieve the Company of its obligations hereunder. The Company shall defend the claim and the Trustee shall cooperate in the defense. The Trustee may have separate counsel and the Company shall pay the
reasonable fees and expenses of such counsel. The Company need not pay for any settlement made without its consent, which consent shall not be unreasonably withheld. 
  
 The obligations of the Company under this Section 7.7 shall survive the satisfaction and discharge of this Indenture.

  
 To secure the Company’s payment obligations in this
Section 7.7, the Trustee shall have a Lien prior to the Securities on all money or property held or collected by the Trustee, except that held in trust to pay principal and interest on particular Securities. Such Lien shall survive the
satisfaction and discharge of this Indenture. 
  
 When the Trustee
incurs expenses or renders services after an Event of Default specified in Sections 6.1(9) or 6.1(10) hereof occurs, the expenses and the compensation for the services (including the fees and expenses of its agents and counsel) are intended to
constitute expenses of administration under any Bankruptcy Law. 
  
 The Trustee shall comply with the provisions of TIA ‘SS’ 313(b) (2) to the extent applicable. 
  
 Section 7.8 Replacement of Trustee. The Trustee may resign by so notifying the Company; provided, however, no such resignation
shall be effective until a successor Trustee has accepted its appointment pursuant to this Section 7.8. The Holders of a majority in aggregate 

  

 43 

 
principal amount of the Securities at the time outstanding may remove the Trustee by so notifying the Trustee and the Company. The Company shall remove the
Trustee if: 
  
 (1) the Trustee fails to comply with
Section 7.10; 
  
 (2) the Trustee is adjudged bankrupt
or insolvent; 
  
 (3) a receiver or public officer takes
charge of the Trustee or its property; or 
  
 (4) the
Trustee otherwise becomes incapable of acting. 
  
 If the Trustee
resigns or is removed or if a vacancy exists in the office of Trustee for any reason, the Company shall promptly appoint, by resolution of its Board of Directors, a successor Trustee. 
  
 A successor Trustee shall deliver a written acceptance of its appointment to the retiring Trustee and to the Company
satisfactory in form and substance to the retiring Trustee and the Company. Thereupon the resignation or removal of the retiring Trustee shall become effective, and the successor Trustee shall have all the rights, powers and duties of the Trustee
under this Indenture. The successor Trustee shall mail a notice of its succession to Securityholders. The retiring Trustee shall promptly transfer all property held by it as Trustee to the successor Trustee, subject to the lien provided for in
Section 7.7. 
  
 If a successor Trustee does not take office
within 30 days after the retiring Trustee resigns or is removed, the retiring Trustee, the Company or the Holders of a majority in aggregate principal amount of the Securities at the time outstanding may petition any court of competent jurisdiction
at the expense of the Company for the appointment of a successor Trustee. 
  
 If the Trustee fails to comply with Section 7.10, any Securityholder may petition any court of competent jurisdiction for the removal of the Trustee and the appointment of a successor Trustee. 
  
 Section 7.9 Successor Trustee by Merger. If the Trustee
consolidates with, merges or converts into, or transfers all or substantially all its corporate trust business or assets (including the administration of the trust created by this Indenture) to, another corporation or association, the resulting,
surviving or transferee corporation or association without any further act shall be the successor Trustee. 
  
 Section 7.10 Eligibility; Disqualification. The Trustee shall at all times satisfy the requirements of TIA Sections 310(a) and 310(b). The
Trustee (or its parent holding company) shall have a combined capital and surplus of at least $50,000,000 as set forth in its most recent published annual report of condition. Nothing herein contained shall prevent the Trustee from filing with the
SEC the application referred to in the penultimate paragraph of TIA Section 310(b). 
  

 44 

 Section 7.11 Preferential Collection of Claims Against Company. The Trustee shall comply with
TIA Section 311(a), excluding any creditor relationship listed in TIA Section 311(b). A Trustee who has resigned or been removed shall be subject to TIA Section 311(a) to the extent indicated therein. 
  
 Section 7.12 Force Majeure. In no event shall the Trustee be
responsible or liable for any failure or delay in the performance of its obligations under this Indenture arising out of or caused by, directly or indirectly, forces beyond its reasonable control, including without limitation strikes, work
stoppages, accidents, acts of war or terrorism, civil or military disturbances, nuclear or natural catastrophes or acts of god, and interruptions, loss or malfunctions or utilities, communications or computer (software or hardware) services.

  
 ARTICLE VIII. 
 AMENDMENTS 
  
 Section 8.1 Without Consent of Holders. The Company and the Trustee may amend, modify or supplement this Indenture or the Securities without
the consent of any Securityholder to: 
  
 (a) provide for
conversion rights of Holders of the Securities and the Company’s purchase obligations in connection with a Fundamental Change in the event of any reclassification of our common stock, merger or consolidation, or sale, conveyance, transfer or
lease of our property and assets substantially as an entirety; 
  
 (b) secure the Securities; 
  
 (c) provide for the
assumption of the Company’s obligations to the Holders of the Securities in the event of a merger or consolidation, or sale, conveyance, transfer or lease of the Company’s property and assets substantially as an entirety; 
  
 (d) surrender any right or power conferred upon the Company; 
  
 (e) add to the Company’s covenants for the benefit of the Holders of the
Securities; 
  
 (f) cure any ambiguity or correct or supplement
any inconsistent or otherwise defective provision contained in this Indenture, provided that such modification or amendment does not adversely affect the interests of the Holders of the Securities in any material respect; provided, further, that any
amendment made solely to conform the provisions of this Indenture to the description of the Securities contained in the Company’s prospectus supplement dated December 12, 2005 will not be deemed to adversely affect the interests of the
Holders of the Securities; 
  
 (g) make any provision with respect
to matters or questions arising under this Indenture that the Company may deem necessary or desirable and that shall not be inconsistent with provisions of this Indenture; provided that such change or modification does not, in the good faith opinion
of the Board of Directors, adversely affect the interests of the Holders of the Securities in any material respect; 
  

 45 

 (h) provide for a change in the conversion right following a Public Acquirer Change of Control in the
event the Company makes the election referred to under Section 9.12 of this Indenture; 
  
 (i) increase the Conversion Rate; provided, that the increase will not adversely affect the interests of the Holders of the Securities; 
  
 (j) comply with the requirements of the SEC in order to effect or maintain the qualification of this Indenture under the
TIA; 
  
 (k) add guarantees of obligations under the Securities;
and 
  
 (l) provide for a successor Trustee. 
  
 Section 8.2 With Consent of Holders. Except as provided below in
this Section 8.2 and in Section 8.1, this Indenture or the Securities may be amended, modified or supplemented, and noncompliance in any particular instance with any provision of this Indenture or the Securities may be waived, in each case
with the written consent of the Holders of at least a majority of the principal amount of the Securities at the time outstanding. 
  
 Without the written consent or the affirmative vote of each Holder of Securities affected thereby, an amendment or waiver under this Section 8.2 may
not: 
  
 (a) extend the maturity of any Security; 
  
 (b) reduce the rate or extend the time for payment of interest (including
Contingent Interest, if any) on any Security; 
  
 (c) reduce the
principal amount of any Security; 
  
 (d) reduce any amount
payable upon redemption or purchase of any Security; 
  
 (e)
impair the right of a Holder to institute suit for payment of any Security; 
  
 (f) change the currency in which any Security is payable; 
  
 (g) change the Company’s obligation to redeem any Securities called for redemption on a Redemption Date in a manner materially adverse to the Holders; 
  
 (h) change the Company’s obligation to purchase any Securities at the option of the Holder in a manner materially
adverse to the Holders; 
  
 (i) change the Company’s
obligation to purchase any Debentures upon a Fundamental Change in a manner materially adverse to the Holders; 
  
 (j) impair or adversely affect the right of a Holder to convert any Security into cash and, if applicable, shares of Common Stock or reduce the Conversion
Rate, except as permitted pursuant to this Indenture; 
  

 46 

 (k) change the Company’s obligation to maintain an office or agency in New York City; 
  
 (l) modify certain provisions of this Indenture relating to modification of
the Indenture or waiver under the Indenture; or 
  
 (m) reduce the
percentage in aggregate principal amount of the Securities required for consent to any modification of the Indenture that does not require the consent of each affected Holder. 
  
 It shall not be necessary for the consent of the Holders under this Section 8.2 to approve the particular form of any
proposed amendment, but it shall be sufficient if such consent approves the substance thereof. 
  
 After an amendment under this Section 8.2 becomes effective, the Company shall mail to each Holder a notice briefly describing the amendment. 
  
 Nothing in this Section 8.2 shall impair the ability of the Company and the Trustee to amend this Indenture or the
Securities without the consent of any Securityholder to provide for the assumption of the Company’s obligations to the Holders of Securities in the case of a merger, consolidation, conveyance, transfer or lease pursuant to Article V hereof.

  
 Section 8.3 Compliance with Trust Indenture Act.
Every supplemental indenture executed pursuant to this Article shall comply with the TIA. 
  
 Section 8.4 Revocation and Effect of Consents, Waivers and Actions. Until an amendment, waiver or other action by Holders becomes effective, a consent thereto by a Holder of a Security hereunder is a
continuing consent by the Holder and every subsequent Holder of that Security or portion of the Security that evidences the same obligation as the consenting Holder’s Security, even if notation of the consent, waiver or action is not made on
the Security. However, any such Holder or subsequent Holder may revoke the consent, waiver or action as to such Holder’s Security or portion of the Security if the Trustee receives the notice of revocation before the date the amendment, waiver
or action becomes effective. After an amendment, waiver or action becomes effective, it shall bind every Securityholder. 
  
 Section 8.5 Notation on or Exchange of Securities. Securities authenticated and delivered after the execution of any supplemental indenture
pursuant to this Article may, and shall if required by the Trustee, bear a notation in form approved by the Trustee as to any matter provided for in such supplemental indenture. If the Company shall so determine, new Securities so modified as to
conform, in the opinion of the Trustee and the Board of Directors, to any such supplemental indenture may be prepared and executed by the Company and authenticated and delivered by the Trustee in exchange for outstanding Securities. 
  
 Section 8.6 Trustee to Sign Supplemental Indentures. The Trustee
shall sign any supplemental indenture authorized pursuant to this Article VIII if the amendment contained therein does not adversely affect the rights, duties, liabilities or immunities of the Trustee. If it does, the Trustee may, but need not, sign
such supplemental indenture. In signing such supplemental indenture the Trustee shall receive, and (subject to the provisions of Section 7.1) shall be fully protected in relying upon, an Officers’ Certificate and an Opinion of Counsel
stating that such amendment is authorized or permitted by this Indenture. 
  

 47 

 Section 8.7 Effect of Supplemental Indentures. Upon the execution of any supplemental
indenture under this Article, this Indenture shall be modified in accordance therewith, and such supplemental indenture shall form a part of this Indenture for all purposes; and every Holder of Securities theretofore or thereafter authenticated and
delivered hereunder shall be bound thereby. 
  
 ARTICLE IX.

 CONVERSIONS 
  
 Section 9.1 Conversion Privilege. 
  
 (a) Subject to and upon compliance with the provisions of this Article IX, a Holder of a Security shall have the right, at such Holder’s option, to
convert all or any portion (if the portion to be converted is $1,000 or an integral multiple of $1,000) of such Security into cash and shares of Common Stock, if any, at the Conversion Rate in effect on the date of conversion, if any of the
conditions to conversion set forth in Section 9.1(b) is satisfied. 
  
 (b) Subject to and in compliance with this Article IX, the Securities or any portion thereof may be converted: 
  
 (1) prior to December 15, 2033, on any date during any fiscal quarter beginning after March 31, 2006 (and only during such fiscal quarter)
if the Closing Sale Price of the Common Stock was more than 130% of the then current Conversion Price for at least 20 Trading Days in the period of the 30 consecutive Trading Days ending on the last Trading Day of the previous fiscal quarter;

  
 (2) at any time on or after December 15, 2033;

  
 (3) with respect to any Securities called for
redemption, until the close of business on the Business Day prior to the Redemption Date; 
  
 (4) if the Company distributes to all holders of its Common Stock rights or warrants (other than pursuant to a rights plan) entitling them to purchase, for a period expiring not more than 60 calendar days
following the record date for the distribution, shares of Common Stock at a price less than the average Closing Sale Price for the ten trading days preceding the announcement date for such distribution; 
  
 (5) if the Company distributes to all holders of its Common Stock, cash
or other assets, debt securities or rights to purchase its securities (other than pursuant to a rights plan), which distribution has a per share value exceeding 10% of the Closing Sale Price of its Common Stock on the Trading Day preceding the
announcement date for such distribution; 
  
 (6) if a
transaction described under Section 3.10(i), 3.10(iv) or 3.10(v) occurs, Holders will have the right to convert their Securities at any time beginning on the Business Day following the effective date of such Fundamental Change until 5:00 p.m.,
New 

  

 48 

 
York City time, on the Business Day preceding the relevant Fundamental Change Purchase Date. The Company will notify Holders of the anticipated effective
date of any such Fundamental Change at least 10 days prior to such date; 
  
 (7) during the five consecutive Business Day period following any five consecutive Trading Day period in which the average Trading Price for the Securities was less than 98% of the average of the Closing Sale
Price of the Company’s Common Stock during such five Trading Day period multiplied by the then current Conversion Rate. This condition is referred to as the “Trading Price Condition.” 
  
 In the case of clauses (4) and (5) immediately above, the Company
will notify Holders at least 20 days prior to the ex-dividend date for such distribution; once the Company has given such notice, Holders may surrender their Securities for conversion at any time until the earlier of 5:00 p.m., New York City time,
on the Business Day preceding the ex-dividend date and any announcement by the Company that such distribution will not take place; in the case of a distribution identified in clauses (4) and (5) immediately above, Holders may not convert
their Securities if they will otherwise participate in the distribution without conversion as a result of holding the Securities. The “ex-dividend date” is the first date upon which a sale of the Company’s Common Stock does not
automatically transfer the right to receive the relevant distribution from the seller of the Common Stock to its buyer. 
  
 Holders will also have the right to convert their Securities if the Company is a party to a consolidation, merger, binding share exchange or sale or
conveyance of all or substantially all of its property and assets that does not constitute a Fundamental Change, in each case pursuant to which the Company’s Common Stock would be converted into cash, securities and/or other property. In such
event, Holders will have the right to convert their Securities at any time beginning 15 days prior to the date announced by the Company as the anticipated effective date of the transaction and until and including the date which is 15 days after the
date that is the actual effective date of such transaction. If Holders do not convert their Securities during this period, they will generally be entitled to receive, upon subsequent conversion, if any, the kind and amount of cash, securities and
other property that they would have received if they had converted their Securities immediately prior to the transaction. 
  
 The “Trading Price” of the Securities on any date of determination means the average of the secondary market bid quotations per $1,000
principal amount of Securities obtained by the Trustee for $5,000,000 principal amount of the Securities at approximately 3:30 p.m., New York City time, on such determination date from two independent nationally recognized securities dealers the
Company selects, which may include one or more of the Underwriters, provided that if at least two such bids cannot reasonably be obtained by the Trustee, but one such bid can reasonably be obtained by the Trustee, this one bid will be used. If the
Trustee cannot reasonably obtain at least one bid for $5,000,000 principal amount of the Securities from a nationally recognized securities dealer or if, in the Company’s reasonable judgment, the bid quotations are not indicative of the
secondary market value of the Securities, then, for purposes of the Trading Price Condition only, the trading price of the Securities will be deemed to be less than 98% of the applicable Conversion Rate of the Securities multiplied by the Closing
Sale Price of the Company’s Common Stock on such determination date. 
  

 49 

 The Trustee will determine the Trading Price of the Securities upon the Company’s request. The
Company will have no obligation to make that request unless a Holder of Securities requests that it do so. If a Holder provides such request, the Company will instruct the Trustee to determine the Trading Price of the Securities for the applicable
period. 
  
 Section 9.2 Conversion Procedure; Settlement
Upon Conversion; Fractional Shares. 
  
 (a) To convert,
Holders must deliver to DTC the appropriate instruction form for conversion pursuant to DTC’s conversion program and, if required, pay funds equal to interest payable (including Contingent Interest, if any) on the next Interest Payment Date to
which they are not entitled, as provided in Section 9.9, and, if required, pay all taxes or duties, if any, as provided in Section 9.8. 
  
 (b) If a Holder holds a Certificated Security, to convert it must: 
  
 (1) complete and manually sign the conversion notice on the back of the Securities or a facsimile of the conversion
notice; 
  
 (2) deliver the completed conversion notice and
the Securities to be converted to the Conversion Agent; 
  
 (3) if required, furnish appropriate endorsements and transfer documents; 
  
 (4) if required, pay funds equal to interest (including Contingent Interest, if any) payable on the next interest payment date to which it is not entitled, pursuant to Section 9.9; and 
  
 (5) if required, pay all transfer or similar taxes, if any, pursuant to
Section 9.8. 
  
 (c) A Security shall be deemed to have been
converted as of the close of business on the date of the surrender of such Securities for conversion and compliance with the other requirements of this Section 9.2 as provided above, and the Person or Persons entitled to receive the Common
Stock issuable upon such conversion shall be treated for all purposes as the record Holder or Holders of such Common Stock as of the close of business on such date. 
  
 (d) In case any Security 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 Security so surrendered, without charge to such Holder (subject to the provisions of Section 9.8 hereof), a new Security or Securities in authorized denominations in an
aggregate principal amount equal to the unconverted portion of the surrendered Securities. 
  
 (e) Upon conversion, the Company will deliver to Holders in respect of each $1,000 principal amount of Securities being converted a “Settlement Amount” equal to the sum of the Daily Settlement Amounts
for each of the twenty Trading Days during the Cash Settlement Averaging Period. 
  

 50 

 The “Cash Settlement Averaging Period” with respect to any Securities means the 20
consecutive Trading Day period beginning on and including the second Trading Day after the Holder delivers its conversion notice to the Conversion Agent, except that with respect to (1) any notice of conversion received after the date of
issuance of a notice of redemption as described under Section 3.1, the “Cash Settlement Averaging Period” means the 20 consecutive Trading Days beginning on and including the twenty-third scheduled Trading Day prior to the
applicable Redemption Date and (2) any conversion arising solely by reason of the occurrence of a Fundamental Change, the “Cash Settlement Averaging Period” means the 20 consecutive Trading Days beginning on and including the
twenty-third scheduled Trading Day prior to the Fundamental Change Purchase Date. 
  
 “Daily Settlement Amount” for each $1,000 principal amount of Securities, for each of the twenty Trading Days during the Cash Settlement Averaging Period, shall consist of, (x) cash equal to the
lesser of $50 and the Daily Conversion Value, and (y) to the extent the Daily Conversion Value exceeds $50, a number of shares equal to, (A) the difference between the Daily Conversion Value and $50, divided by (B) the Closing Sale
Price of the Company’s Common Stock for such day. 
  
 “Daily Conversion Value” means, for each of the 20 consecutive Trading Days during the Cash Settlement Averaging Period, one-twentieth (1/20) of the product of (1) the applicable Conversion Rate and (2) the
Closing Sale Price of the Company’s Common Stock (or the consideration into which its Common Stock has been converted in connection with certain corporate transactions) on such day. 
  
 “Market Disruption Event” means the occurrence or existence during the one-half hour period ending on the
scheduled close of trading on any Trading Day for the Company’s Common Stock of any material suspension or limitation imposed on trading (by reason of movements in price exceeding limits permitted by the stock exchange or otherwise) in the
Common Stock or in any options, contracts or future contracts relating to the Common Stock. 
  
 (f) If a Holder converts its Securities in connection with Section 9.1(b)(6), such Holder will receive: 
  
 (1) cash equal to the lesser of (i) the principal amount of the Securities converted and (ii) the Conversion Value and (2) if the
Conversion Value exceeds the principal amount of the Securities converted, an amount of cash, securities and other assets or property equal to such excess based on the consideration determined pursuant to Section 9.4; and 
  
 (2) under certain circumstances, the transaction consideration with
respect to additional shares of Common Stock, which will be in an amount determined as set forth under Section 9.3(h) of this Indenture and which will be payable following certain types of Fundamental Change. 
  
 (g) If Holders have submitted any or all of their Securities for purchase
pursuant to Section 3.10, unless they have withdrawn such Securities in a timely fashion, their conversion rights on the Securities so subject to purchase will expire at 5:00 p.m., New York City time, on the Business Day preceding the
Fundamental Change Purchase Date, unless the 

  

 51 

 
Company defaults in the payment of the Fundamental Change Purchase Price. If a Holder has submitted any Securities for purchase, such Securities may be
converted only if such Holder submits a withdrawal notice, and if the Securities are evidenced by a Global Security, such Holder complies with appropriate DTC procedures. 
  
 (h) The Company will deliver the Settlement Amount to converting Holders on the fifth Business Day immediately following the
last day of the applicable Cash Settlement Averaging Period. 
  
 (i) The Company will not issue fractional shares of its common stock upon conversion of the Securities. Instead, the Company will pay cash in lieu of fractional shares based on the Closing Sale Price of its Common Stock on the final Trading
Day in the Cash Settlement Averaging Period. 
  
 Section 9.3
Adjustment of Conversion Rate. The Conversion Rate shall be adjusted from time to time as follows: 
  
 (a) In case the Company shall, at any time or from time to time while any of the Securities are outstanding, pay a dividend or make a distribution in
shares of Common Stock to all holders of its outstanding shares of Common Stock, then the Conversion Rate in effect at the opening of business on the date following the record date fixed for the determination of stockholders entitled to receive such
dividend or other distribution shall be increased by dividing such Conversion Rate by a fraction: 
  
 (1) the numerator of which shall be the number of shares of Common Stock outstanding at the close of business on the Record Date fixed for such
determination; and 
  
 (2) the denominator of which shall be
the sum of such number of shares and the total number of shares constituting such dividend or other distribution. 
  
 Such increase shall become effective immediately after the opening of business on the day following the Record Date fixed for such determination. If any
dividend or distribution of the type described in this Section 9.3(a) is declared but not so paid or made, the Conversion Rate shall again be adjusted to the Conversion Rate which would then be in effect if such dividend or distribution had not
been declared. 
  
 (b) In case the Company shall, at any time or
from time to time while any of the Securities are outstanding, subdivide its outstanding shares of Common Stock into a greater number of shares of Common Stock, then the Conversion Rate in effect at the opening of business on the day following the
day upon which such subdivision becomes effective shall be proportionately increased, and conversely, in case the Company shall, at any time or from time to time while any of the Securities are outstanding, combine its outstanding shares of Common
Stock into a smaller number of shares of Common Stock, then the Conversion Rate in effect at the opening of business on the day following the day upon which such combination becomes effective shall be proportionately decreased. 
  

 52 

 Such increase or reduction, as the case may be, shall become effective immediately after the opening of
business on the day following the day upon which such subdivision or combination becomes effective. 
  
 (c) In case the Company shall, at any time or from time to time while any of the Securities are outstanding, issue rights or warrants (other than any
rights or warrants referred to in Section 9.3(d)) to all holders of its shares of Common Stock entitling them to subscribe for or purchase, for a period of up to 60 days, shares of Common Stock (or securities convertible into shares of Common
Stock) at a price per share (or having a conversion price per share) less than the Closing Sale Price on the Business Day immediately preceding the date of the announcement of such issuance (treating the conversion price per share of the securities
convertible into Common Stock as equal to (x) the sum of (i) the price for a unit of the security convertible into Common Stock and (ii) any additional consideration initially payable upon the conversion of such security into Common
Stock divided by (y) the number of shares of Common Stock initially underlying such convertible security), then the Conversion Rate shall be adjusted so that the same shall equal the price determined by dividing the Conversion Rate in effect at
the opening of business on the date after such date of announcement by a fraction: 
  
 (1) the numerator of which shall be the number of shares of Common Stock outstanding on the close of business on the date of announcement, plus the number of shares or securities which the aggregate offering
price of the total number of shares or securities so offered for subscription or purchase (or the aggregate conversion price of the convertible securities so offered) would purchase at such Closing Sale Price of the Common Stock; and 
  
 (2) the denominator of which shall be the number of shares of Common
Stock outstanding at the close of business on the date of announcement, plus the total number of additional shares of Common Stock so offered for subscription or purchase (or into which the convertible securities so offered are convertible).

  
 Such adjustment shall become effective immediately after the
opening of business on the day following the date of announcement of such issuance. To the extent that shares of Common Stock (or securities convertible into shares of Common Stock) are not delivered pursuant to such rights or warrants, upon the
expiration or termination of such rights or warrants, the Conversion Rate shall be readjusted to the Conversion Rate which would then be in effect had the adjustments made upon the issuance of such rights or warrants been made on the basis of the
delivery of only the number of shares of Common Stock (or securities convertible into shares of Common Stock) actually delivered. In the event that such rights or warrants are not so issued, the Conversion Rate shall again be adjusted to be the
Conversion Rate which would then be in effect if the date fixed for the determination of stockholders entitled to receive such rights or warrants had not been fixed. In determining whether any rights or warrants entitle the holders to subscribe for
or purchase shares of Common Stock at less than such Closing Sale Price, and in determining the aggregate offering price of such shares of Common Stock, there shall be taken into account any consideration received for such rights or warrants, the
value of such consideration if other than cash, to be determined by the Board of Directors. 
  
 (d) In case the Company shall, at any time or from time to time while any of the Securities are outstanding, by dividend or otherwise, distribute to all holders of its shares of 

  

 53 

 
Common Stock (including any such distribution made in connection with a consolidation or merger in which the Company is the continuing corporation and the
Common Stock is not changed or exchanged), shares of Capital Stock (other than any dividends or distributions to which Section 9.3(a) applies and distributions of Common Stock to which Section 9.3(a) applies), evidences of its indebtedness
or other assets, including securities, but excluding (i) any rights or warrants referred to in Section 9.3(c) and (ii) dividends and distributions of stock, securities or other property or assets (including cash) in connection with a
reclassification, change, consolidation, merger, combination, sale or conveyance to which Section 9.4 applies (such capital stock, evidence of its indebtedness, and other assets or securities being distributed hereinafter in this
Section 9.3(d) called the “distributed assets”), then, in each such case, subject to the second and third succeeding paragraphs and the last paragraph of this Section 9.3(d), the Conversion Rate shall be increased so that
the same shall be equal to the price determined by dividing the Conversion Rate in effect immediately prior to the close of business on the Record Date with respect to such distribution by a fraction: 
  
 (1) the numerator of which shall be the Current Market Price, as
defined herein, of the Common Stock, less the Fair Market Value on such date of the portion of the distributed assets so distributed applicable to one share of Common Stock (determined on the basis of the number of shares of Common Stock outstanding
on the record date)(determined as provided in Section 9.3(g)); and 
  
 (2) the denominator of which shall be such Current Market Price. 
  
 Such increase shall become effective immediately prior to the opening of business on the day following the Record Date for such distribution. In the event
that such dividend or distribution is not so paid or made, the Conversion Rate shall again be adjusted to be the Conversion Rate which 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 9.3(d) by reference to the actual or when issued trading market for any distributed assets comprising all or part of such distribution, it must in doing so consider the prices in such market over the
same period (the “Reference Period”) used in computing the Current Market Price pursuant to Section 9.3(g) to the extent possible, unless the Board of Directors determines in good faith that determining the Fair Market Value
during the Reference Period would not be in the best interest of the Holders. Notwithstanding the foregoing, in the event any such distribution consists of shares of capital stock of, or similar equity interests in, one or more of the Company’s
Subsidiaries (a “Spin-Off”), the Conversion Rate shall be increased so that the same shall be equal to the price determined by multiplying the Conversion Rate in effect immediately prior to the close of business on the Record Date
with respect to such distribution by a fraction: 
  
 (1) the numerator of which shall be the Current Market Price on such date; and 
  
 (2) the denominator of which shall be the Current Market Price of the Common Stock, plus the Fair Market Value on such date of the portion of the distributed assets 

  

 54 

 
so distributed applicable to one share of Common Stock (determined on the basis of the number of shares of Common Stock outstanding on the record date)
(determined as set forth in the third and fourth succeeding sentences). 
  
 Such increase shall become effective immediately prior to the opening of business on the day following the last Trading Day of the Spin-Off Valuation Period (as defined below). In the event that such dividend or distribution is not so paid
or made, the Conversion Rate shall again be adjusted to be the Conversion Rate which would then be in effect if such dividend or distribution had not been declared. In the case of a Spin-Off, the Fair Market Value of the securities to be distributed
shall equal the average of the closing sale prices of such securities on the principal securities market on which such securities are traded for the five consecutive Trading Days commencing on and including the sixth day of trading of those
securities after the effectiveness of the Spin-Off (the “Spin-Off Valuation Period”), and the Current Market Price shall be measured for the same period. In the event, however, that an underwritten initial public offering of the
securities in the Spin-Off occurs simultaneously with the Spin-Off, Fair Market Value of the securities distributed in the Spin-Off shall mean the initial public offering price of such securities and the Current Market Price shall mean the Closing
Sale Price for the Common Stock on the same Trading Day. 
  
 Rights or warrants distributed by the Company to all holders of its shares of Common Stock entitling them to subscribe for or purchase shares of the Company’s capital 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 shares of Common Stock shall be deemed not to have been distributed for purposes of this Section 9.3(d) (and no adjustment to the Conversion Rate under this Section 9.3(d) will be required) until the
occurrence of the earliest Trigger Event. If such right or warrant is subject to subsequent events, upon the occurrence of which such right or warrant shall become exercisable to purchase different distributed assets, evidences of indebtedness or
other assets, or entitle the holder to purchase a different number or amount of the foregoing or to purchase any of the foregoing at a different purchase price, then the occurrence of each such event shall be deemed to be the date of issuance and
record date with respect to a new right or warrant (and a termination or expiration of the existing right or warrant without exercise by the holder 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 resulted in an adjustment to the Conversion Rate under this Section 9.3(d)): 
  
 (1) in the case of any such rights or warrants which 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 of shares of Common Stock with respect to such rights or warrants (assuming such holder had retained such rights or warrants), made to all holders of shares of
Common Stock as of the date of such redemption or repurchase; and 
  

 55 

 (2) in the case of such rights or warrants which shall have expired or been terminated without
exercise, the Conversion Rate shall be readjusted as if such rights and warrants had never been issued. 
  
 For purposes of this Section 9.3(d) and Section 9.3(a), 9.3(b) and 9.3(c), any dividend or distribution to which this Section 9.3(d) is
applicable that also includes (i) shares of Common Stock, (ii) a subdivision or combination of shares of Common Stock to which Section 9.3(b) applies or (iii) rights or warrants to subscribe for or purchase shares of Common Stock
to which Section 9.3(c) applies (or any combination thereof), shall be deemed instead to be: 
  
 (1) a dividend or distribution of the evidences of indebtedness, assets, shares of capital stock, rights or warrants, other than such shares of
Common Stock, such subdivision or combination or such rights or warrants to which Section 9.3(a), 9.3(b) and 9.3(c) apply, respectively (and any Conversion Rate reduction required by this Section 9.3(d) 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, such subdivision or combination or such rights or warrants (and any further Conversion Rate reduction required by Sections 9.3(a), 9.3(b), and 9.3(d) 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 (i) “the date fixed for the determination of stockholders entitled to receive such dividend or other distribution,” “Record Date fixed for
such determinations” and “Record Date” within the meaning of Section 9.3(a) and 9.3(b), (ii) ”the day upon which such subdivision becomes effective” and “the day upon which such combination becomes
effective” within the meaning of Section 9.3(b), and (iii) as “the date fixed for the determination of stockholders entitled to receive such rights or warrants,” “the Record Date fixed for the determination of the
stockholders entitled to receive such rights or warrants” and such “Record Date” within the meaning of Section 9.3(c); and 
  
 (B) any shares of Common Stock included in such dividend or distribution shall not be deemed “outstanding at the close of business on the date
fixed for such determination” within the meaning of Section 9.3(a) and any reduction or increase in the number of shares of Common Stock resulting from such subdivision or combination shall be disregarded in connection with such dividend
or distribution. 
  
 In the event of any distribution referred to
in this Section 9.3(d) in which (i) the value of such distribution per share of Common Stock equals or exceeds the average of the Closing Sale Prices of the Common Stock over the ten consecutive Trading Day period ending on the Record Date
for such distribution, or (ii) such average of the Closing Sale Prices of the Common Stock exceeds the Fair Market Value of such distribution applicable to one share of Common Stock (as determined by the Board of Directors) by less than $1.00,
then, in each such case, in lieu of an adjustment to the Conversion Rate, adequate provision shall be made so that each Holder shall have the right to receive upon conversion of a Security, in addition to cash and shares of Common Stock, the kind
and amount of such distribution such Holder would have received had such Holder converted such Security solely into Common Stock immediately prior to the Record Date for determining the shareholders entitled to receive the distribution. 

 

 56 

 No adjustment to the Conversion Rate or the ability of a Holder of a Security to convert will be made if
the Holder may otherwise participate in such distribution without conversion. 
  
 (e) In case the Company shall, by dividend or otherwise, distribute to all holders of its Common Stock cash (excluding any dividend or distribution in connection with the liquidation, dissolution or winding up, or
merger or consolidation of the Company, whether voluntary or involuntary and other than regular cash dividends to the extent that such dividends do not exceed (i) $0.0225 per share in any quarter or (ii) $0.09 per share in any calendar
year (each such number, the “dividend threshold amount”)), then, in such case, the Conversion Rate shall be reduced so that the same shall equal the rate determined by dividing the Conversion Rate in effect on the applicable record
date by a fraction, 
  
 (1) the numerator of which shall be
the Current Market Price minus the amount distributed per ordinary share of Common Stock; and 
  
 (2) the denominator of which shall be the Current Market Price on such record date minus the dividend threshold amount. 
  
 The dividend threshold amount is subject to adjustment on an inversely proportional basis whenever the Conversion Rate is adjusted. If an adjustment is
required to be made as set forth in this Section 9.3(e) as a result of a distribution that is not a regular quarterly dividend, the dividend threshold amount will be deemed to be zero. 
  
 Such adjustment shall become effective immediately after the opening of
business on the day following the Record Date fixed for the determination of the stockholders entitled to receive such cash dividend or other distribution consisting exclusively of cash. If any dividend or distribution of the type described in this
Section 9.3(e) is declared but not so paid or made, the Conversion Rate shall again be adjusted to the Conversion Rate which would then be in effect if such dividend or distribution had not been declared. 
  
 (f) In case a tender or exchange offer made by the Company or any Subsidiary
for all or any portion of the Common Stock shall expire and such tender or exchange offer (as amended upon the expiration thereof) shall require the payment to stockholders of consideration per share of Common Stock having a Fair Market Value (as
determined by the Board of Directors, whose determination shall be conclusive and described in a resolution of the Board of Directors) that as of the last time (the “Expiration Time”) tenders or exchanges may be made pursuant to
such tender or exchange offer (as it may be amended) exceeds the Closing Sale Price of a share of Common Stock on the Trading Day next succeeding the Expiration Time, the Conversion Rate shall be increased so that the same shall equal the price
determined by dividing the Conversion Rate in effect immediately prior to the Expiration Time by a fraction, 
  
 (1) the numerator of which shall be the number of shares of Common Stock outstanding (including any tendered or exchanged shares) at the Expiration
Time multiplied by the Closing Sale Price of a share of Common Stock on the Trading Day next succeeding the Expiration Time such adjustment to become effective immediately prior to the opening of business on the day following the Expiration Time;
and 
  

 57 

 (2) the denominator of which shall be the sum of (x) the Fair Market Value (determined as
aforesaid) of the aggregate consideration payable to stockholders based on the acceptance (up to any maximum specified in the terms of the tender or exchange offer) of all shares validly tendered or exchanged and not withdrawn as of the Expiration
Time (the shares deemed so accepted up to any such maximum, being referred to as the “Purchased Shares”) and (y) the product of the number of shares of Common Stock outstanding (less any Purchased Shares) at the Expiration Time
and the Closing Sale Price of a share of Common Stock on the Trading Day next succeeding the Expiration Time. 
  
 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 any such purchases or all 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. 
  
 (g) For purposes of this Article IX, the following terms shall have the
meanings indicated: 
  
 “Current Market Price”
on any date means the average of the daily Closing Sale Prices per share of Common Stock for the ten consecutive Trading Days immediately prior to such date; provided, however, that if: 
  
 (1) the “ex” date (as hereinafter defined) for any event
(other than the issuance or distribution requiring such computation) that requires an adjustment to the Conversion Rate pursuant to Section 9.3(a), 9.3(b), 9.3(c), 9.3(d), 9.3(e) or 9.3(f) occurs during such ten consecutive Trading Days, the
Closing Sale Price for each Trading Day prior to the “ex” date for such other event shall be adjusted by dividing such Closing Sale Price by the same fraction by which the Conversion Rate is so required to be adjusted as a result of such
other event; 
  
 (2) the “ex” date for any event
(other than the issuance or distribution requiring such computation) that requires an adjustment to the Conversion Rate pursuant to Section 9.3(a), 9.3(b), 9.3(c), 9.3(d), 9.3(e) or 9.3(f) occurs on or after the “ex” date for the
issuance or distribution requiring such computation and prior to the day in question, the Closing Sale Price for each Trading Day on and after the “ex” date for such other event shall be adjusted by dividing such Closing Sale Price by the
reciprocal of the fraction by which the Conversion Rate is so required to be adjusted as a result of such other event; and 
  
 (3) the “ex” date for the issuance or distribution requiring such computation is prior to the day in question, after taking into account
any adjustment required pursuant to clause (1) or (2) of this proviso, the Closing Sale Price for each Trading Day on or after such “ex” date shall be adjusted by adding thereto the amount of any cash and the Fair Market Value
(as determined by the Board of Directors in a manner consistent with any determination of such value for purposes of Section 9.3(d), 9.3(e) or 9.3(f)) of the evidences of indebtedness, shares of capital stock or assets being distributed
applicable to one share of Common Stock as of the close of business on the day before such “ex” date. 
  

 58 

 For purposes of any computation under Section 9.3(f), if the “ex” date for any event
(other than the tender offer requiring such computation) that requires an adjustment to the Conversion Rate pursuant to Section 9.3(a), 9.3(b), 9.3(c), 9.3(d), 9.3(e) or 9.3(f) occurs on or after the Expiration Time for the tender or exchange
offer requiring such computation and prior to the day in question, the Closing Sale Price for each Trading Day on and after the “ex” date for such other event shall be adjusted by dividing such Closing Sale Price by the reciprocal of the
fraction by which the Conversion Rate is so required to be adjusted as a result of such other event. For purposes of this paragraph, the term “ex” date, when used: 
  
 (1) with respect to any issuance or distribution, means the first date on which the shares of Common Stock trade
regular way on the relevant exchange or in the relevant market from which the Closing Sale Price was obtained without the right to receive such issuance or distribution; 
  
 (2) with respect to any subdivision or combination of shares of Common Stock, means the first date on which the shares
of Common Stock trade regular way on such exchange or in such market after the time at which such subdivision or combination becomes effective; and 
  
 (3) with respect to any tender or exchange offer, means the first date on which the shares of Common Stock trade regular way on such exchange or in
such market after the Expiration Time of such offer. 
  
 Notwithstanding the foregoing, whenever successive adjustments to the Conversion Rate are called for pursuant to this Section 9.3, such adjustments shall be made to the Current Market Price as may be necessary or appropriate to
effectuate the intent of this Section 9.3 and to avoid unjust or inequitable results as determined in good faith by the Board of Directors. 
  
 “Fair Market Value” shall mean the amount that a willing buyer would pay a willing seller in an arm’s-length transaction (as
determined by the Board of Directors, whose determination shall be conclusive). 
  
 “Record Date” shall mean, with respect to any dividend, distribution or other transaction or event in which the holders of shares of Common Stock have the right to receive any cash, securities or
other property or in which the shares of 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). 
  
 (h) Subject to Section 9.4 and Section 9.12, if a Holder elects to convert a Security in connection with a transaction described under clause
(i) or (iv) under a Fundamental Change referred to in Section 3.10(a)(1) that occurs on or prior to December 15, 2015, within 30 days of receiving notice of a Fundamental Change, pursuant to which 10% or more of the consideration
for the Common Stock (other than cash payments for fractional shares and cash 

  

 59 

 
payments made in respect of dissenters’ appraisal rights) in such transaction consists of cash or securities (or other property) that are not traded or
scheduled to be traded immediately following such transaction on a U.S. national securities exchange or The Nasdaq National Market (a “Non-Stock Change of Control”), the Company will increase the number of shares of Common Stock by
which the Conversion Rate is increased (the “Additional Common Stock”) as set forth below. The number of shares of Additional Common Stock will be determined by reference to the table below, based on the date on which the Non-Stock
Change of Control becomes effective (the “Effective Date”) and the price (the “Stock Price”) paid per share for the Common Stock in the Non-Stock Change of Control. If Holders of Common Stock receive only cash in
the Non-Stock Change of Control, the Stock Price shall be the cash amount paid per share. Otherwise, the Stock Price shall be the average of the Closing Sale Prices of the Common Stock on the five Trading Days prior to but not including the
Effective Date of such Non-Stock Change of Control. 
  
 The Stock
Prices and number of shares of Additional Common Stock set forth in the table below will be adjusted as of any date on which the Conversion Rate is adjusted. On such date, the Stock Prices shall be adjusted by multiplying: 
  
 (1) the Stock Prices applicable immediately prior to such adjustment, by

  
 (2) a fraction, of which 
  
 (A) the numerator shall be the Conversion Rate immediately prior to the
adjustment giving rise to the Stock Price adjustment, and 
  
 (B)
the denominator shall be the Conversion Rate as so adjusted. 
  
 The number of
shares of Additional Common Stock shall be correspondingly adjusted in the same manner as the adjustments described in Section 9.3. 
  
 The following table sets forth the Stock Price and number of shares of Additional Common Stock issuable per $1,000 aggregate principal amount of
Securities: 
  

																							
	 Stock Price

	  	$59.72

	  	$65.00

	  	$75.00

	  	$85.00

	  	$95.00

	  	$105.00

	  	$115.00

	  	$125.00

	  	$135.00

	  	$145.00

	  	$155.00

	 December 15, 2005
	  	4.2025	  	3.6526	  	2.8800	  	2.3380	  	1.9415	  	1.6410	  	1.4067	  	1.2195	  	1.0670	  	0.9404	  	0.8341
	 December 15, 2006
	  	4.1274	  	3.5665	  	2.7854	  	2.2439	  	1.8521	  	1.5582	  	1.3311	  	1.1590	  	1.0050	  	0.8847	  	0.7838
	 December 15, 2007
	  	4.0521	  	3.4764	  	2.6826	  	2.1400	  	1.7527	  	1.4658	  	1.2465	  	1.0742	  	0.9358	  	0.8224	  	0.7278
	 December 15, 2008
	  	3.9742	  	3.3789	  	2.5674	  	2.0219	  	1.6390	  	1.3598	  	1.1494	  	0.9863	  	0.8566	  	0.7511	  	0.6639
	 December 15, 2009
	  	3.8976	  	3.2760	  	2.4396	  	1.8885	  	1.5097	  	1.2391	  	1.0390	  	0.8865	  	0.7669	  	0.6708	  	0.5916
	 December 15, 2010
	  	3.8252	  	3,1679	  	2.2964	  	1.7358	  	1.3606	  	1.0998	  	0.9120	  	0.7721	  	0.6647	  	0.5795	  	0.5103
	 December 15, 2011
	  	3.7559	  	3.0500	  	2.1296	  	1.5549	  	1.1836	  	0.9351	  	0.7626	  	0.6385	  	0.5457	  	0.4739	  	0.4168
	 December 15, 2012
	  	3.6989	  	2.9236	  	1.9315	  	1.3355	  	0.9692	  	0.7375	  	0.5856	  	0.4819	  	0.4079	  	0.3528	  	0.3100
	 December 15, 2013
	  	3.6694	  	2.7886	  	1.6846	  	1.0562	  	0.6998	  	0.4953	  	0.3747	  	0.3001	  	0.2512	  	0.2169	  	0.1913
	 December 15, 2014
	  	3.7307	  	2.6647	  	1.3475	  	0.6621	  	0.3358	  	0.1900	  	0.1262	  	0.0970	  	0.0816	  	0.0718	  	0.0646
	 December 15, 2015
	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000

  

 60 

 If the Stock Price and Effective Date are not set forth on the table above and the Stock Price is:

  
 (A) between two Stock Prices on the table or
the Effective Date is between two dates on the table, the number of shares of Additional Common Stock will be determined by straight-line interpolation between the number of shares of Additional Common Stock set forth for the higher and lower Stock
Price and the two Effective Dates, as applicable, based on a 360-day year; 
  
 (B) in excess of $155.00 per share (subject to adjustment), no shares of Additional Common Stock will be issued upon conversion; or 
  
 (C) less than $59.72 per share (subject to adjustment), no shares of Additional Common Stock will be issued
upon conversion. 
  
 Notwithstanding the foregoing, in no event
shall the total number of shares of Common Stock issuable upon conversion exceed 16.7448 per $1,000 of aggregate principal amount of Securities, subject to adjustments in the same manner as the Conversion Rate in Section 9.3 above.

  
 The Company shall provide notice to all Holders and to the
Trustee at least 20 days prior to the anticipated Effective Date of a Non-Stock Change of Control. The Company must also provide notice to all Holders and to the Trustee upon the effectiveness of such Non-Stock Change of Control. 
  
 A conversion of the Securities by a Holder will be deemed for these purposes
to be “in connection with” a Non-Stock Change of Control if the conversion notice is received by the Conversion Agent following the Effective Date of the Non-Stock Change of Control but before 5:00 p.m., New York City time, on the Business
Day immediately preceding the related purchase date. 
  
 (i) To
the extent that any future rights plan adopted by the Company is in effect upon conversion of the Securities into a combination of cash and Common Stock, Holders will receive, in addition to any such Common Stock, the rights under the applicable
rights agreement unless the rights have separated from the Common Stock at the time of conversion of the Securities, in which case the Conversion Rate will be adjusted as if the Company had distributed to all holders of Common Stock shares of the
Company’s capital stock, evidences of indebtedness or assets as described in Section 9.3(d) of this Indenture, subject to readjustment in the event of the expiration, termination or redemption of such rights. 
  
 (j) The Company shall be entitled to make such additional reductions in the
Conversion Rate, in addition to those required by Section 9.3(a), (b), (c), (d), (e) or (f), as shall be necessary in order that any dividend or distribution of Common Stock, any subdivision, reclassification or combination of shares of
Common Stock or any issuance of rights or warrants referred to above shall not be taxable to the holders of Common Stock for United States Federal income tax purposes. 
  
 (k) To the extent permitted by applicable law and Section 8.1(e), the Company may, from time to time, reduce the
Conversion Rate by any amount for any period of time, if such period is at least 20 days and the reduction is irrevocable during the period. 

  

 61 

 
Whenever the Conversion Rate is reduced pursuant to the preceding sentence, the Company shall mail to the Trustee and each Holder at the address of such
Holder as it appears in the register of the Securities maintained by the Registrar, at least 15 days prior to the date the reduced Conversion Rate takes effect, a notice of the reduction stating the reduced Conversion Rate and the period during
which it will be in effect. 
  
 (l) In any case in which this
Section 9.3 shall require that any adjustment be made effective as of or retroactively immediately following a Record Date, the Company may elect to defer (but only for five Trading Days following the filing of the statement referred to in
Section 9.5) issuing to the Holder of any Securities converted after such Record Date the shares of Common Stock issuable upon such conversion over and above the shares of Common Stock issuable upon such conversion on the basis of the
Conversion Rate prior to adjustment; provided, however, that the Company shall deliver to such Holder a due bill or other appropriate instrument evidencing such Holder’s right to receive such additional shares upon the occurrence
of the event requiring such adjustment. 
  
 (m) All calculations
under this Section 9.3 shall be made to the nearest cent or one-ten-thousandth of a share, with one-half cent and 0.00005 of a share, respectively, being rounded upward. 
  
 (n) In the event that at any time, as a result of an adjustment made pursuant to this Section 9.3, the Holder of any
Securities thereafter surrendered for conversion shall become entitled to receive any shares of stock of the Company other than shares of Common Stock into which the Securities originally were convertible, the Conversion Rate of such other shares so
receivable upon conversion of any such Security shall be subject to adjustment from time to time in a manner and on terms as nearly equivalent as practicable to the provisions with respect to Common Stock contained in subparagraphs (a) through
(k) of this Section 9.3, and the provision of Sections 9.1, 9.2 and 9.4 through 9.9 with respect to the Common Stock shall apply on like or similar terms to any such other shares and the determination of the Board of Directors as to any
such adjustment shall be conclusive. 
  
 (o) No adjustment in the
Conversion Rate need be made unless the adjustment would require an increase or decrease of at least 1% in the Conversion Rate. Any adjustments that are not made shall be carried forward and taken into account in any subsequent adjustment, which
shall be made, regardless of whether the aggregate amount of such cumulative adjustments exceeds 1%, (A) five Business Days prior to maturity of the Securities (whether at Stated Maturity or otherwise) or (B) prior to the Redemption Date
or Repurchase Date unless such adjustment has already been made prior to the adjustment contemplated by this Section 9.3(o). 
  
 (p) The conversion rate will not be adjusted (i) upon the issuance of any shares of Common Stock pursuant to any present or future plan providing for
the reinvestment of dividends or interest payable on the Company’s securities and the investment of additional option amounts in shares of Common Stock under any plan, (ii) upon the issuance of any shares of Common Stock or options or
rights to purchase those shares pursuant to any present or future employee, director or consultant benefit plan or program of or assumed by the Company or any of its Subsidiaries, (iii) upon the issuance of any shares of Common Stock pursuant
to any 

  

 62 

 
option, warrant, right or exercisable, exchangeable or convertible security not described in the preceding bullet and outstanding as of the date the
Securities were first issued, (iv) for a change in the par value of the Common Stock, or (v) for accrued and unpaid interest. 
  
 (q) Because certain adjustments to the Conversion Rate may be treated as the distribution of a dividend for United States federal income tax purposes, a
non-United States Holder may be subject to United States federal withholding tax. Such tax may be withheld from amounts owed to Holders, including interest on the Securities, shares of Common Stock or sales proceeds subsequently paid or credited to
Holders. 
  
 Section 9.4 Consolidation or Merger of the
Company. If any of the following events occurs, namely: 
  
 (1) any reclassification or change of the outstanding 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 subdivision or combination) as a result of
which holders of Common Stock shall be entitled to receive stock, securities or other property or assets (including cash) with respect to or in exchange for such Common Stock; 
  
 (2) any merger, consolidation, statutory share exchange or combination of the Company with another corporation as a
result of which holders of Common Stock shall be entitled to receive stock, securities or other property or assets (including cash) with respect to or in exchange for such Common Stock; or 
  
 (3) any sale or conveyance of the properties and assets of the Company
as, or substantially as, an entirety to any other corporation as a result of which holders of Common Stock shall be entitled to receive stock, securities or other property or assets (including cash) with respect to or in exchange for such Common
Stock; 
  
 the Company or the successor or purchasing corporation, 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) providing
that such Securities shall be convertible into the kind and amount of shares of stock and other securities or property or assets (including cash) which such Holder would have been entitled to receive upon such reclassification, change, merger,
consolidation, statutory share exchange, combination, sale or conveyance had such Securities been converted solely into Common Stock based on the applicable Conversion Rate immediately prior to such reclassification, change, merger, consolidation,
statutory share exchange, combination, sale or conveyance, except that the provisions set forth in Section 9.2(e) relating to the determination of the Settlement Amount shall continue to apply following any such election, with the Daily
Conversion Values calculated based on, and all references to Common Stock deemed to refer to the Public Acquirer Common Stock or the consideration received in such transaction, as the case may be and subject to Section 9.12. In the event
holders of Common Stock have the opportunity to elect the form of consideration to be received in such transaction, then from and after the effective date of such transaction, the Securities shall be convertible into the consideration that a
majority of the holders of the Common Stock have elected to receive in such transaction. Such supplemental indenture shall provide for adjustments which shall be as 

  

 63 

 
nearly equivalent as may be practicable to the adjustments provided for in this Article IX. If, in the case of any such reclassification, change, merger,
consolidation, statutory share exchange, combination, sale or conveyance, the stock or other securities and assets receivable thereupon by a holder of Common Stock 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, merger, consolidation, statutory share exchange, 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 Securities as the Board of Directors shall reasonably consider necessary by reason of the foregoing, including to the extent practicable the
provisions providing for the conversion rights set forth in this Article IX. 
  
 The Company shall cause notice of the execution of such supplemental indenture to be mailed to each Holder, at the address of such Holder as it appears on the register of the Securities maintained by the Registrar,
within 20 days after execution thereof. Failure to deliver such notice shall not affect the legality or validity of such supplemental indenture. 
  
 The above provisions of this Section 9.4 shall similarly apply to successive reclassifications, mergers, consolidations, statutory share exchanges,
combinations, sales and conveyances. 
  
 If this Section 9.4
applies to any event or occurrence, Section 9.3 shall not apply. Notwithstanding this Section 9.4, if a Public Acquirer Change of Control occurs and the Company elects to adjust the Conversion Rate and its conversion obligation pursuant to
Section 9.12, the provisions of Section 9.12 shall apply to the conversion instead of this Section 9.4. 
  
 Any Additional Common Stock which a Holder is entitled to receive upon conversion pursuant to Section 9.1(b), if applicable, shall not be payable in
shares of Common Stock, but will represent a right to receive the aggregate amount of cash, securities or other property into which the Additional Common Stock would convert as a result of such recapitalization, consolidation, merger, share
transfer, acquisition or share exchange. 
  
 Section 9.5
Notice of Adjustment. Whenever an adjustment in the Conversion Rate with respect to the Securities is required: 
  
 (1) the Company shall forthwith place on file with the Trustee and any Conversion Agent for such securities a certificate of the Treasurer of the
Company, stating the adjusted Conversion Rate determined as provided herein and setting forth in reasonable detail such facts as shall be necessary to show the reason for and the manner of computing such adjustment; and 
  
 (2) a notice stating that the Conversion Rate has been adjusted and
setting forth the adjusted Conversion Rate shall forthwith be given by the Company or, at the Company’s request, by the Trustee in the name and at the expense of the Company, to each Holder in the manner provided in Section 12.2. Any
notice so given shall be conclusively presumed to have been duly given, whether or not the Holder receives such notice. 
  

 64 

 In addition, whenever an adjustment in the Conversion Rate with respect to the Securities is required,
the Company will issue a press release through Dow Jones & Company, Inc. containing the relevant information and make this information available on the Company’s web site or through another public medium as it may use at that time.

  
 Section 9.6 Notice in Certain Events. In case:

  
 (1) of a consolidation or merger to which the Company
is a party and for which approval of any stockholders of the Company is required, or of the sale or conveyance to another Person or entity or group of Persons or entities acting in concert as a partnership, limited partnership, syndicate or other
group (within the meaning of Rule 13d-3 under the Exchange Act) of all or substantially all of the property and assets of the Company; or 
  
 (2) of the voluntary or involuntary dissolution, liquidation or winding up of the Company; or 
  
 (3) of any action triggering an adjustment of the Conversion Rate
referred to in clauses (x) or (y) below; 
  
 then, in each case, the
Company shall cause to be filed with the Trustee and the Conversion Agent, and shall cause to be given, to the Holders of the Securities in the manner provided in Section 12.2, at least 15 days prior to the applicable date hereinafter
specified, a notice stating (x) the date on which a record is to be taken for the purpose of any distribution or grant of rights or warrants triggering an adjustment to the Conversion Rate pursuant to this Article IX, or, if a record is not to
be taken, the date as of which the holders of record of Common Stock entitled to such distribution, rights or warrants are to be determined, or (y) the date on which any reclassification, consolidation, merger, sale, conveyance, dissolution,
liquidation or winding up triggering an adjustment to the Conversion Rate pursuant to this Article IX is expected to become effective, 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, conveyance, dissolution, liquidation or winding up. 
  
 Failure to give such notice or any defect therein shall not affect the legality or validity of the proceedings described in
clause (1), (2) or (3) of this Section 9.6. 
  
 Section 9.7 Company To Reserve Stock: Registration; Listing. 
  
 (a) The Company shall, in accordance with the laws of the State of Delaware, at all times reserve and keep available, free from preemptive rights, out of its authorized but unissued shares of Common Stock, for the
purpose of effecting the conversion of the Securities, such number of its duly authorized shares of Common Stock as shall from time to time be sufficient to effect the conversion of all Securities then outstanding into such Common Stock at any time
(assuming that, at the time of the computation of such number of shares or securities, all such Securities would be held by a single Holder); provided, however, that nothing contained herein shall preclude the Company from satisfying
its obligations in respect of the conversion of the Securities by delivery of purchased shares of Common Stock which are then held in the treasury of the Company. The Company covenants that all shares of Common Stock which may 

  

 65 

 
be issued upon conversion of Securities will upon issue be fully paid and nonassessable and free from all liens and charges and, except as provided in
Section 9.8, taxes with respect to the issue thereof. 
  
 (b)
If any shares of Common Stock which would be issuable upon conversion of Securities hereunder require registration with or approval of any governmental authority before such shares or securities may be issued upon such conversion, the Company will
in good faith and as expeditiously as possible endeavor to cause such shares or securities to be duly registered or approved, as the case may be. The Company further covenants that so long as the Common Stock shall be listed on The New York Stock
Exchange, the Company will, if permitted by the rules of such exchange, list and keep listed all Common Stock issuable upon conversion of the Securities, and the Company will endeavor to list the shares of Common Stock required to be delivered upon
conversion of the Securities prior to such delivery upon any other national securities exchange upon which the outstanding Common Stock is listed at the time of such delivery. 
  
 Section 9.8 Taxes on Conversion. The issue of stock certificates on conversion of Securities shall be made
without charge to the converting Holder for any documentary, stamp or similar issue or transfer taxes in respect of the issue thereof, and the Company shall pay any and all documentary, stamp or similar issue or transfer taxes that may be payable in
respect of the issue or delivery of shares of Common Stock on conversion of Securities pursuant hereto. The Company shall not, however, be required to pay any such tax which may be payable in respect of any transfer involved in the issue or delivery
of shares of Common Stock or the portion, if any, of the Securities which are not so converted in a name other than that in which the Securities so converted were registered, and no such issue or delivery shall be made unless and until the Person
requesting such issue has paid to the Company the amount of such tax or has established to the satisfaction of the Company that such tax has been paid. 
  
 Section 9.9 Conversion After Record Date. Except as provided below, if any Securities are surrendered for conversion on any day other than an
Interest Payment Date, the Holder of such Securities shall not be entitled to receive any interest that has accrued on such Securities since the prior Interest Payment Date. By delivery to the Holder of the number of shares of Common Stock or other
consideration issuable upon conversion in accordance with this Article IX, any accrued and unpaid interest on such Securities will be deemed to have been paid in full. 
  
 If any Securities are surrendered for conversion subsequent to the Record Date preceding an Interest Payment Date but on or
prior to such Interest Payment Date, the Holder of such Securities at the close of business on such Record Date shall receive the interest payable on such Securities on such Interest Payment Date notwithstanding the conversion thereof. Securities
surrendered for conversion during the period from the close of business on any Record Date preceding any Interest Payment Date to the opening of business on such Interest Payment Date shall (except as set forth in the succeeding paragraph) be
accompanied by payment by Holders, for the account of the Company, in New York Clearing House funds or other funds of an amount equal to the interest payable on such Interest Payment Date on the Securities being surrendered for conversion. Except as
provided in Section 3.1 or this Section 9.9, no adjustments in respect of payments of interest on Securities surrendered for conversion or any dividends or distributions or interest on the Common Stock issued upon conversion shall be made
upon the conversion of any Securities. 
  

 66 

 Holders are not required to make such payment (i) if they convert their Securities in connection
with a redemption and the Company has specified a Redemption Date that is after a Record Date and on or prior to the corresponding Interest Payment Date, (ii) if they convert their Securities in connection with a Fundamental Change and the
Company has specified a Fundamental Change Purchase Date that is after a Record Date and on or prior to the corresponding Interest Payment Date, or (iii) to the extent of any overdue interest (including overdue Contingent Interest, if any), if
overdue interest (or overdue Contingent Interest) exists at the time of conversion with respect to the Holder’s Securities. 
  
 Section 9.10 Company Determination Final. Any determination that the Company or the Board of Directors must make pursuant to this Article IX
shall be conclusive if made in good faith and in accordance with the provisions of this Article, absent manifest error, and set forth in a Board Resolution. 
  
 Section 9.11 Responsibility of Trustee for Conversion Provisions. The Trustee has no duty to determine when an adjustment under this Article
IX should be made, how it should be made or what it should be. The Trustee makes no representation as to the validity or value of any securities or assets issued upon conversion of Securities. The Trustee shall not be responsible for any failure of
the Company to comply with this Article IX. Each Conversion Agent other than the Company shall have the same protection under this Section 9.11 as the Trustee. 
  
 The rights, privileges, protections, immunities and benefits given to the Trustee under the Indenture including, without
limitation, its rights to be indemnified, are extended to, and shall be enforceable by, the Trustee in each of its capacities hereunder, and each Paying Agent or Conversion Agent acting hereunder. 
  
 Section 9.12 Conversion After a Public Acquirer Change of
Control. 
  
 (a) In the event of a Public Acquirer Change of
Control, the Company may, in lieu of issuing the Additional Common Stock pursuant to Section 9.3(h), elect to adjust the Conversion Rate and the related conversion obligation such that from and after the Effective Date of such Public Acquirer
Change of Control, Holders of the Security will be entitled to convert their Security, in accordance with Section 9.2 hereof, into a number of shares of Public Acquirer Common Stock by adjusting the Conversion Rate in effect immediately before
the Public Acquirer Change of Control by multiplying it by a fraction: 
  
 (1) the numerator of which will be (A) in the case of a share exchange, consolidation, merger or binding share exchange, pursuant to which the Common Stock is converted into cash, securities or other
property, the average value of all cash and any other consideration (as determined by the Board of Directors) paid or payable per share of Common Stock or (B) in the case of any other Public Acquirer Change of Control, the average of the
Closing Sale Prices of the Common Stock for the five consecutive Trading Days commencing on the Trading Day next succeeding the effective date of such Public Acquirer Change of Control, and 
  

 67 

 (2) the denominator of which will be the average of the Closing Sale Prices of the Public Acquirer
Common Stock for the five consecutive Trading Days commencing on the Trading Day next succeeding the effective date of such Public Acquirer Change of Control. 
  

(b) upon a Public Acquirer Change of Control, in lieu of converting the Securities, the Holder can, subject to certain conditions, require the Company
to purchase all or a portion of the Securities owned by the Holder as described in Section 3.10. 
  
 (c) The Company will notify Holders of its election by providing notice as set forth in Section 9.3(h). 
  
 ARTICLE X. 
 GUARANTEE 
  
 Section 10.1 Guarantee. 
  
 (a) The
Securities shall be guaranteed by Omnicare Purchasing Company, L.P. (the “Guarantor”) in accordance with the provisions of this Article X. 
  
 (b) The Guarantor hereby unconditionally guarantees to each Holder of the Securities or the obligations of the Company hereunder or thereunder, that:
(i) the principal of, and interest (including Contingent Interest, if any) on the Securities will be promptly paid in full when due, whether at the Maturity Date, the Redemption Date, the Optional Purchase Date or the Fundamental Change
Purchase Date, and interest on the overdue principal of and interest (including Contingent Interest, if any) on the Securities, if any, if lawful, and all other obligations of the Company to the Holders or the Trustee hereunder will be promptly paid
in full or performed, all in accordance with the terms hereof; and (ii) in case of any extension of time of payment or renewal of any Securities or any of such other obligations, that same will be promptly paid in full when due or performed in
accordance with the terms of the extension or renewal, whether at the Maturity Date, the Redemption Date, the Optional Purchase Date or the Fundamental Change Purchase Date. Failing payment when due of any amount so guaranteed or any performance so
guaranteed for whatever reason, the Guarantor shall be obligated to pay the same immediately. The Guarantor agrees that this is a guarantee of payment and not a guarantee of collection. 
  
 Subject to this Article X, the Guarantor hereby agrees that its obligations hereunder shall be unconditional, irrespective
of the validity, regularity or enforceability of the Securities or this Indenture, the absence of any action to enforce the same, any waiver or consent by any Holder of the Securities with respect to any provisions hereof or thereof, the recovery of
any judgment against the Company, any action to enforce the same or any other circumstance which might otherwise constitute a legal or equitable discharge or defense of a guarantor. The Guarantor hereby waives diligence, presentment, demand of
payment, filing of claims with a court in the event of insolvency or bankruptcy of the Company, any right to require a proceeding first against the Company, protest, notice and all demands whatsoever and covenant that this Guarantee shall not be
discharged except by complete performance of the obligations contained in the Securities and this Indenture. 
  

 68 

 If any Holder or the Trustee is required by any court or otherwise to return to the Company, the
Guarantor or any custodian, trustee, liquidator or other similar official acting in relation to either the Company or the Guarantor, any amount paid by either to the Trustee or such Holder, this Guarantee, to the extent theretofore discharged, shall
be reinstated in full force and effect. 
  
 The Guarantor agrees
that it shall not be entitled to any right of subrogation in relation to the Holders in respect of any obligations guaranteed hereby until payment in full of all obligations guaranteed hereby. The Guarantor further agrees that, as between the
Holders and the Trustee, (x) the maturity of the obligations guaranteed hereby may be accelerated as provided in Article VI hereof for the purposes of this Guarantee, notwithstanding any stay, injunction or other prohibition preventing such
acceleration in respect of the obligations guaranteed hereby, and (y) in the event of any declaration of acceleration of such obligations as provided in Article VI hereof, such obligations (whether or not due and payable) shall forthwith become
due and payable by the Guarantors for the purpose of this Guarantee. 
  
 Section 10.2 Subordination. The guarantee will be equal in right of payment to all existing and future unsecured unsubordinated debt of the Guarantor, including its guarantee of indebtedness under the Credit Agreement, and
effectively subordinated to all existing and future secured indebtedness of the Guarantor to the extent of the value of the related collateral. The guarantee will be senior in right of payment to any subordinated indebtedness of the Guarantor.

  
 Section 10.3 Guarantor May Consolidate, etc., on
Certain Terms. The Guarantor may not sell or otherwise dispose of substantially all of its assets to, or consolidate with or merge with or into (whether or not the Guarantor is the surviving Person), another person, other than the Company,
unless: 
  
 (a) immediately after giving effect to that
transaction, no Default or Event of Default exists; and 
  
 (b)
subject to the provisions of Section 10.4 hereof, the Person acquiring the property in any such sale or disposition or the person formed by or surviving any such consolidation or merger assumes all the obligations of the Guarantor under this
Indenture and its guarantee pursuant to a supplemental indenture satisfactory to the Trustee. 
  
 In case of any such consolidation, merger, sale or conveyance and upon the assumption by the successor Person, by supplemental indenture, executed and delivered to the Trustee and satisfactory in form to the Trustee,
of the guarantee and the due and punctual performance of all of the covenants and conditions of the Indenture to be performed by the Guarantor, such successor Person shall succeed to and be substituted for the Guarantor with the same effect as if it
had been named herein as a Guarantor. The guarantee so issued shall in all respects have the same legal rank and benefit under the Indenture as the guarantee theretofore and thereafter issued in accordance with the terms of this Indenture as though
all of such guarantee had been issued at the date of the execution hereof. 
  
 Except as set forth in Articles IV and V hereof, and notwithstanding clauses (a) and (b) above, nothing contained in the Indenture or in any of the Securities shall prevent any 

  

 69 

 
consolidation or merger of the Guarantor with or into the Company, or shall prevent any sale or conveyance of the property of the Guarantor as an entirety or
substantially as an entirety to the Company. 
  
 Section 10.4
Releases. The guarantee of the Guarantor may be released at the Company’s option, and any person acquiring assets (including by way of merger or consolidation) or capital stock of the Guarantor shall not be required to assume the
obligations of the Guarantor: 
  
 (a) in connection with any sale
or other disposition of all or substantially all of the assets of the Guarantor (including by way of merger or consolidation) to a Person that is not (either before or after giving effect to such transaction) a Subsidiary; 
  
 (b) in connection with any sale of all of the Capital Stock of the Guarantor
to a Person that is not (either before or after giving effect to such transaction) a Subsidiary; and 
  
 (c) if the Guarantor’s guarantee of any obligations under the Credit Agreement, or if the Credit Agreement is no longer outstanding, any other
indebtedness of the Company, is fully and unconditionally released, except that the Guarantor shall subsequently be required to become a guarantor of the Securities by executing a supplemental indenture and providing the Trustee with an
Officers’ Certificate and Opinion of Counsel at such time as it guarantees any obligations under the Credit Agreement, or if the Credit Agreement is no longer outstanding, any other indebtedness of the Company. 
  
 ARTICLE XI. 
 SATISFACTION AND DISCHARGE OF INDENTURE 
  
 Section 11.1 Satisfaction and Discharge of Indenture. This Indenture shall cease to be of further effect (except as to any surviving rights of
conversion, registration of transfer or exchange of Securities herein expressly provided for and except as further provided below), and the Trustee, on demand of and at the expense of the Company, shall execute proper instruments acknowledging
satisfaction and discharge of this Indenture, when 
  
 (1) either 
  
 (A) all Securities theretofore
authenticated and delivered (other than (i) Securities which have been destroyed, lost or stolen and which have been replaced or paid as provided in Section 2.7 and (ii) Securities for whose payment money has theretofore been
deposited in trust and thereafter repaid to the Company as provided in Section 11.3) have been delivered to the Trustee for cancellation; or 
  
 (B) all such Securities not theretofore delivered to the Trustee for cancellation have become due and payable and the Company has irrevocably deposited or
caused to be irrevocably deposited cash with the Trustee or a Paying Agent (other than the Company or any of its Affiliates) as trust funds in trust for the purpose of and in an amount sufficient to pay and discharge the entire indebtedness on such
Securities not theretofore delivered to the Trustee for cancellation, for principal and interest (including Additional Amounts, if any) to the date of such deposit (in the case of Securities which have become due and payable); 
  

 70 

 (2) the Company has paid or caused to be paid all other sums payable hereunder by the Company; and

  
 (3) the Company has delivered to the Trustee an
Officers’ Certificate and an Opinion of Counsel, each stating that all conditions precedent herein relating to the satisfaction and discharge of this Indenture have been complied with. 
  
 Notwithstanding the satisfaction and discharge of this Indenture, the
obligations of the Company to the Trustee under Section 7.7 shall survive and, if money shall have been deposited with the Trustee pursuant to subclause (B) of clause (1) of this Section, the provisions of Sections 2.3 through 2.7,
Article III, Article IX, the last sentence of Section 4.2 and this Article XI, shall survive until the Securities have been paid in full. 
  
 Section 11.2 Application of Trust Money. Subject to the provisions of Article XI, the Trustee or a Paying Agent shall hold in trust, for the
benefit of the Holders, all money deposited with it pursuant to Section 11.1 and shall apply the deposited money in accordance with this Indenture and the Securities to the payment of the principal of and interest on the Securities. 

 
 Section 11.3 Repayment to Company. The Trustee and each Paying
Agent shall promptly pay to the Company upon request any excess money (i) deposited with them pursuant to Section 11.1 and (ii) held by them at any time. 
  
 The Trustee and each Paying Agent shall pay to the Company upon request any money held by them for the payment of principal
or interest that remains unclaimed for two years after a right to such money has matured; provided, however, that the Trustee or such Paying Agent, before being required to make any such payment, may at the expense of the Company cause
to be mailed to each Holder entitled to such money notice that such money remains unclaimed and that after a date specified therein, which shall be at least 30 days from the date of such mailing, any unclaimed balance of such money then remaining
will be repaid to the Company. After payment to the Company, Holders entitled to money must look to the Company for payment as general creditors unless an applicable abandoned property law designates another person. 
  
 Section 11.4 Reinstatement. If the Trustee or any Paying Agent is
unable to apply any money in accordance with Section 11.2 by reason of any legal proceeding or by reason of any order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application, then the
Company’s obligations under this Indenture and the Securities shall be revived and reinstated as though no deposit had occurred pursuant to Section 11.1 until such time as the Trustee or such Paying Agent is permitted to apply all such
money in accordance with Section 11.2; provided, however, that if the Company has made any payment of the principal of or interest on any Securities because of the reinstatement of its obligations, the Company shall be subrogated
to the rights of the Holders of such Securities to receive any such payment from the money held by the Trustee or such Paying Agent. 
  

 71 

 ARTICLE XII. 
 MISCELLANEOUS 
  
 Section 12.1 Trust Indenture Act Controls. If any provision of this Indenture limits, qualifies, or conflicts with another provision which is required to be included in this Indenture by the TIA, the required provision shall
control. 
  
 Section 12.2 Notices. Any request,
demand, authorization, notice, waiver, consent or communication shall be in writing and delivered in person or mailed by first-class mail, postage prepaid, addressed as follows or transmitted by facsimile transmission (confirmed by guaranteed
overnight courier) to the following facsimile numbers: 
  
 if to
the Company: 
  
 Omnicare, Inc. 
 100 East RiverCenter Boulevard 
 Covington, Kentucky 41011 
 Attention: Corporate Secretary 
 Facsimile No.: (859) 392-3360 
  
 With a copy to (which shall not constitute notice): 
  
 Dewey Ballantine LLP 
 1301 Avenue of the Americas 
 New York, New York 10019 
 Attention: Morton A. Pierce 
 Facsimile No.: (212) 259-6333 
  
 if to the Trustee: 
  
 SunTrust Bank

 Corporate Trust Department 
 25 Park Place, 24th Floor 
 Atlanta, Georgia 30303 
 Attention: Patricia Spruell 
 Facsimile No.: (404) 588-7335 
  
 The Company or the Trustee by notice given to the other in the manner
provided above may designate additional or different addresses for subsequent notices or communications. 
  
 Any notice or communication given to a Securityholder shall be mailed to the Securityholder, by first-class mail, postage prepaid, at the
Securityholder’s address as it appears on the registration books of the Registrar and shall be sufficiently given if so mailed within the time prescribed. 
  

 72 

 Failure to mail a notice or communication to a Securityholder or any defect in it shall not affect its
sufficiency with respect to other Securityholders. If a notice or communication is mailed in the manner provided above, it is duly given, whether or not received by the addressee; provided that all notices to the Trustee shall be deemed
effective upon actual receipt thereof. 
  
 If the Company mails a
notice or communication to the Securityholders, it shall mail a copy to the Trustee and each Registrar, Paying Agent, Conversion Agent or co-registrar. 
  
 Section 12.3 Communication by Holders with Other Holders. Securityholders may communicate pursuant to TIA Section 312(b) with other
Securityholders with respect to their rights under this Indenture or the Securities. The Company, the Trustee, the Registrar, the Paying Agent, the Conversion Agent and anyone else shall have the protection of TIA Section 312(c). 
  
 Section 12.4 Certificate and Opinion as to Conditions Precedent.
Upon any request or application by the Company to the Trustee to take any action under this Indenture, the Company shall furnish to the Trustee: 
  
 (1) an Officers’ Certificate stating that, in the opinion of the signatories, all conditions precedent, if any, provided for in this Indenture
relating to the proposed action have been complied with; and 
  
 (2) an Opinion of Counsel stating that, in the opinion of such counsel, all such conditions precedent have been complied with. 
  
 Section 12.5 Statements Required in Certificate or Opinion. Each Officers’ Certificate or Opinion of Counsel with respect to compliance
with a covenant or condition provided for in this Indenture shall include: 
  
 (1) a statement that each Person making such Officers’ Certificate or Opinion of Counsel has read such covenant or condition; 
  
 (2) a brief statement as to the nature and scope of the examination or investigation upon which the statements or
opinions contained in such Officers’ Certificate or Opinion of Counsel are based; 
  
 (3) a statement that, in the opinion of each such Person, he or she has made such examination or investigation as is necessary to enable such Person to express an informed opinion as to whether or not such
covenant or condition has been complied with; and 
  
 (4) a
statement that, in the opinion of such Person, such covenant or condition has been complied with. 
  
 Section 12.6 Separability Clause. In case any provision in this Indenture or in the Securities shall be invalid, illegal or unenforceable, the
validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 
  

 73 

 Section 12.7 Rules by Trustee, Paying Agent, Conversion Agent and Registrar. The Trustee may
make reasonable rules for action by or a meeting of Securityholders. The Registrar, the Conversion Agent and the Paying Agent may make reasonable rules for their functions. 
  
 Section 12.8 Legal Holidays. A “Legal Holiday” is any day other than a Business Day. If any
specified date (including a date for giving notice) is a Legal Holiday, the action shall be taken on the next succeeding day that is not a Legal Holiday, and, if the action to be taken on such date is a payment in respect of the Securities, no
interest, if any, shall accrue for the intervening period. 
  
 Section 12.9 Governing Law. THIS INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE INTERNAL LAWS OF THE STATE OF NEW YORK. 
  
 Section 12.10 No Recourse Against Others. A director, officer, employee or stockholder, as such, of the Company
shall not have any liability for any obligations of the Company under the Securities or this Indenture or for any claim based on, in respect of or by reason of such obligations or their creation. By accepting a Security, each Securityholder shall
waive and release all such liability. The waiver and release shall be part of the consideration for the issue of the Securities. 
  
 Section 12.11 Successors. All agreements of the Company in this Indenture and the Securities shall bind its successor. All agreements of the
Trustee in this Indenture shall bind its successor. 
  
 Section 12.12 Multiple Originals. The parties may sign any number of copies of this Indenture. Each signed copy shall be an original, but all of them together represent the same agreement. One signed copy is enough to prove this
Indenture. 
  
 Section 12.13 Effect of Headings and Table
of Contents. The Article and Section headings herein and the Table of Contents are for convenience only and shall not affect the construction hereof. 
  
 IN WITNESS WHEREOF, the undersigned, being duly authorized, have executed this Indenture on behalf of the respective parties hereto as of the date first
above written. 
  

			
	OMNICARE, INC.
		
	By:	 	 /s/ David W. Froesel, Jr.

	Name:	 	David W. Froesel, Jr.
	Title:	 	 Senior Vice President and
 Chief Financial
Officer

  

 74 

			
	 OMNICARE PURCHASING COMPANY, L.P.
 As
Guarantor

		
	By:	 	 /s/ Bradley S. Abbott

	Name:	 	Bradley S. Abbott
	Title:	 	Treasurer
	
	 SUNTRUST BANK
 As
Trustee

		
	By:	 	 /s/ Patricia Spruell

	Name:	 	Patricia Spruell
	Title:	 	Vice President

  

 75 

 EXHIBIT A 
  

[FORM OF FACE OF GLOBAL SECURITY] 
  
 UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY 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 THE DEPOSITORY TRUST COMPANY (AND ANY PAYMENT HEREON IS MADE TO
CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED OWNER
HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 
  
 TRANSFERS
OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS TO NOMINEES OF THE DEPOSITORY TRUST COMPANY, OR TO A SUCCESSOR THEREOF OR SUCH SUCCESSOR’S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS MADE IN
ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN ARTICLE TWO OF THE INDENTURE REFERRED TO ON THE REVERSE HEREOF. 
  

 A-1 

 Omnicare, Inc. 
  
 3.25% Convertible Senior Debentures due 2035 
  

			
	No.:	 	CUSIP: 681904AL2
	Issue Date:	 	Principal Amount: $
	Issue Price: $1,000 (for each $1,000 Principal Amount)	 	 

  
 Omnicare, Inc., a
Delaware corporation, promises to pay to                          or registered assigns, the principal amount of
$                 on December 15, 2035 or such greater or lesser amount as is indicated on the Schedule of Increases and Decreases of Global Security
attached to this Security. 
  
 Interest Payment Dates:
June 15 and December 15, commencing June 15, 2006. 
  
 Record Dates: June 1 and December 1. 
  
 Reference is hereby made to the further provisions of this Security set forth on the reverse side of this Security, which further provisions shall for all purposes have the same effect as if set forth at this place. 
  

 A-2 

 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed under its corporate seal.

  
 Dated: 
  

			
	OMNICARE, INC.
		
	 By:
	 	  

	 Name:
	 	 
	 Title:
	 	 

  
 TRUSTEE’S CERTIFICATE OF AUTHENTICATION 
  

			
	 SUNTRUST BANK
 as Trustee, certifies that
this is one of the Securities referred to in the within mentioned Indenture.

		
	 By:
	 	  

	 	 	Authorized Signatory

  
 Dated: 
  

 A-3 

 [FORM OF REVERSE OF GLOBAL SECURITY] 
  
 3.25% Convertible Senior Notes due 2035 
  
 This Security is one of a duly authorized issue of the 3.25% Convertible Senior Debentures due 2035 (the
“Securities”) of Omnicare, Inc., a Delaware corporation (including any successor corporation under the Indenture hereinafter referred to, the “Company”), issued under an Indenture, dated as of December 15, 2005
(the “Indenture”), between the Company, Omnicare Purchasing Company, L.P., as guarantor, and SunTrust Bank, as trustee (the “Trustee”). The terms of the Security include those stated in the Indenture, those made
part of the Indenture by reference to the Trust Indenture Act of 1939, as amended (“TIA”), and those set forth in this Security. This Security is subject to all such terms, and Holders are referred to the Indenture and the TIA for a
statement of all such terms. To the extent permitted by applicable law, in the event of any inconsistency between the terms of this Security and the terms of the Indenture, the terms of the Indenture shall control. Capitalized terms used but not
defined herein have the meanings assigned to them in the Indenture referred to below unless otherwise indicated. 
  
 1. Interest. 
  
 The Company promises to pay interest on the principal amount of the Securities at the interest rate of 3.25% (the “Interest Rate”) from
the date of issuance until repayment in full at December 15, 2035, or until an earlier conversion, redemption or repurchase. The Company will pay interest on this Security semi-annually in arrears on June 15 and December 15 of each
year (each, an “interest payment date”), commencing June 15, 2006. 
  
 The Securities shall bear interest from December 15, 2005 until the principal amount thereof is paid or made available for payment, or until such date on which the Securities are converted, redeemed or purchased
as provided herein at a rate of 3.25% per annum, subject to an upward adjustment on and after December 15, 2015, in certain circumstances as provided in Section 2.16 of the Indenture. 
  
 Interest on the Securities shall be computed (i) for any full
semi-annual period for which a particular Interest Rate is applicable, on the basis of a 360-day year of twelve 30-day months and (ii) for any period for which a particular Interest Rate is applicable for less than a full semiannual period for
which interest is calculated, on the basis of a 30-day month and, for such periods of less than a month, the actual number of days elapsed over a 30-day month. 
  

If this Security is redeemed or repurchased by the Company on a date that is after the record date and on or prior to the corresponding interest
payment date, interest and Contingent Interest, if any, accrued and unpaid hereon to but not including the applicable Redemption Date, Optional Purchase Date or Fundamental Change Purchase Date, as the case may be, will be paid to the same Holder to
whom the Company pays the principal of this Security. 
  
 If any
Securities are surrendered for conversion subsequent to the record date preceding an interest payment date but on or prior to such interest payment date, the Holder of such Securities at the close of business on such record date shall receive the
interest payable on such Securities on such interest payment date notwithstanding the conversion thereof. Securities surrendered for conversion during the period from the close of business on any record date 

  

 A-4 

 
preceding any interest payment date to the opening of business on such interest payment date shall (except as set forth in the succeeding paragraph) be
accompanied by payment by Holders, for the account of the Company, in New York Clearing House funds or other funds of an amount equal to the interest payable on such interest payment date on the Securities being surrendered for conversion.

  
 Holders are not required to make such payment (i) if they
convert their Securities in connection with a redemption and the Company has specified a Redemption Date that is after a record date and on or prior to the corresponding interest payment date, (ii) if they convert their Securities in connection
with a Fundamental Change and the Company has specified a Fundamental Change Purchase Date that is after a record date and on or prior to the corresponding interest payment date, or (iii) to the extent of any overdue interest (including overdue
Contingent Interest, if any), if overdue interest (or overdue Contingent Interest) exists at the time of conversion with respect to the Holder’s Securities. 
  
 If the principal amount hereof or any portion of such principal amount or any interest, including Contingent Interest, if
any, on any Security is not paid when due (whether upon acceleration pursuant to Section 6.2 of the Indenture, upon the date set for payment of the Redemption Price pursuant to Section 5 hereof or the Optional Purchase Price or the
Fundamental Change Purchase Price pursuant to Section 6 hereof or upon the Stated Maturity of this Security), then in each such case the overdue amount shall, to the extent permitted by law, bear interest at the Interest Rate, compounded
semi-annually, which interest shall accrue from the date on which such overdue amount was originally due until the date on which payment of such amount, including interest thereon, has been made or duly provided for. All such interest shall be
payable on demand. 
  
 Upon certain circumstances set forth in the
Indenture, the Company will pay Contingent Interest. 
  
 2. Method of Payment. 
  
 Except as provided
below, interest will be paid (i) on the Global Securities to The Depository Trust Company (“DTC”) or its nominee in immediately available funds, (ii) on any definitive Securities having an aggregate principal amount of
$5,000,000 or less, by check mailed to the Holders of such Securities, and (iii) on any definitive Securities having an aggregate principal amount of more than $5,000,000, by wire transfer in immediately available funds at the election of the
Holders of such Securities. 
  
 At Stated Maturity, the Company
will pay interest on definitive Securities at the Company’s office or agency in New York City, which initially will be the corporate trust office of SunTrust Bank, in New York City. 
  
 Principal on Global Securities will be paid to DTC or its nominee in immediately available funds. Principal on definitive
Securities will be payable, upon Stated Maturity or when due, at the office or agency of the Company in New York City, maintained for such purpose, initially the corporate trust office of SunTrust Bank, in New York City. 
  

 A-5 

 Subject to the terms and conditions of the Indenture, the Company will make payments in cash in respect
of Redemption Prices, Optional Purchase Prices, Fundamental Change Purchase Prices and at Stated Maturity to Holders who surrender Securities to a Paying Agent to collect such payments in respect of the Securities. 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. However, the Company may make such cash payments by check payable in such money. 
  
 3. Paying Agent, Conversion Agent and Registrar.

  
 Initially, SunTrust Bank will act as Paying Agent, Conversion
Agent and Registrar. The Company may appoint and change any Paying Agent, Conversion Agent or Registrar without notice, other than notice to the Trustee; provided that the Company will maintain at least one Paying Agent in the State of New
York, City of New York, Borough of Manhattan, which shall initially be an office or agency of the Trustee. The Company or any of its Subsidiaries or any of their Affiliates may act as Paying Agent, Conversion Agent or Registrar. 
  
 4. Indenture. 
  
 The Securities are senior unsecured obligations of the Company limited to
$977,500,000 aggregate principal amount. 
  
 5.
Redemption at the Option of the Company.  
  
 No sinking
fund is provided for the Securities. The Securities are not redeemable by the Company prior to December 15, 2015. On or after December 15, 2015, the Securities will be redeemable for cash at the option of the Company, in whole or in part,
at any time or from time to time, upon not less than 30 nor more than 60 days’ notice by mail for a redemption price equal to the principal amount of those Securities plus accrued and unpaid interest, including Contingent Interest, if any, on
those Securities (including Securities which are converted into Common Stock under certain circumstances specified in the Indenture) up to the Redemption Date (the “Redemption Price”). 
  
 6. Purchase By the Company at the Option of the
Holder. 
  
 At the option of the Holder and subject to the
terms and conditions of the Indenture, the Company shall offer to purchase the Securities held by such Holder at least 20 Business Days prior to the Optional Purchase Date for an Optional Purchase Price equal to the principal amount plus accrued and
unpaid interest of such Security on the Optional Purchase Date. The Optional Purchase Date is December 15, 2015. The Optional Purchase Price shall be paid in cash. 
  
 Holders have the right to withdraw any Optional Purchase Notice, as the case may be, by delivering to the Paying Agent a
written notice of withdrawal in accordance with the provisions of the Indenture. 
  
 If cash sufficient to pay the Optional Purchase Price of all Securities, or portions thereof to be purchased as of the Optional Purchase Date, is deposited with the Paying Agent on the Business Day following the
Optional Purchase Date, interest will cease to accrue on such Securities (or portions thereof) immediately after such Optional Purchase Date, and the Holder thereof shall have no other rights as such other than the right to receive the Optional
Purchase Price upon surrender of such Security. 
  

 A-6 

 At the option of the Holder and subject to the terms and conditions of the Indenture, the Company shall
become obligated to offer to purchase the Securities held by such Holder within ten days after the occurrence of a Fundamental Change for a Fundamental Change Purchase Price equal to the principal amount plus accrued and unpaid interest, including
Contingent Interest, if any, of such Security on the Fundamental Change Purchase Date. The Fundamental Change Purchase Date shall be between 20 and 35 days of the Company’s delivery of the notice described in the preceding sentence. The
Fundamental Change Purchase Price shall be paid in cash. 
  
 Holders have the right to withdraw any Fundamental Change Purchase Notice, as the case may be, by delivering to the Paying Agent a written notice of withdrawal in accordance with the provisions of the Indenture. 
  
 If cash sufficient to pay the Fundamental Change Purchase Price of all
Securities, or portions thereof to be purchased as of the Fundamental Change Purchase Date, is deposited with the Paying Agent on the Business Day following the Fundamental Change Purchase Date, interest will cease to accrue on such Securities (or
portions thereof) immediately after such Fundamental Change Purchase Date, and the Holder thereof shall have no other rights as such other than the right to receive the Fundamental Change Purchase Price upon surrender of such Security. 

 
 7. Notice of Redemption. 
  
 Notice of redemption pursuant to Section 5 of this Security will be
mailed at least 30 days but not more than 60 days before the Redemption Date to each Holder of Securities to be redeemed at the Holder’s registered address. If money sufficient to pay the Redemption Price of all Securities (or portions thereof)
to be redeemed on the Redemption Date is deposited with the Paying Agent prior to or on the Redemption Date, immediately after such Redemption Date interest ceases to accrue on such Securities or portions thereof. Securities in denominations larger
than $1,000 of principal amount may be redeemed in part but only in integral multiples of $1,000 of principal amount. 
  
 8. Conversion. 
  
 Subject to and in compliance with the provisions of the Indenture, a Holder is entitled, at such Holder’s option, to convert the Holder’s
Security (or any portion of the principal amount thereof that is $1,000 or an integral multiple of $1,000), into cash and fully paid and nonassessable shares of Common Stock, if any, at the Conversion Rate in effect at the time of conversion, as
follows: 
  
 (i) prior to December 15, 2033, on any date
during any fiscal quarter beginning after March 31, 2006 (and only during such fiscal quarter) if the Closing Sale Price of the Common Stock is more than 130% of the then current Conversion Price for at least 20 Trading Days in the period of
the 30 consecutive Trading Days ending on the last Trading Day of the previous fiscal quarter; 
  

 A-7 

 (ii) at any time on or after December 15, 2033; 
  
 (iii) with respect to any Securities called for redemption, until the close
of business on the Business Day prior to the Redemption Date; 
  
 (iv) in the event of certain corporate transactions as provided in the Indenture; 
  
 (v) during a specified period if certain types of Fundamental Changes occur, as provided in the Indenture; or 
  
 (vi) during the five consecutive Business-Day period following any five consecutive Trading-Day period in which the average Trading Price for the
Securities was less than 98% of the average of the Closing Sale Price of the Common Stock during such five Trading-Day period multiplied by the then current Conversion Rate. 
  
 A Security in respect of which a Holder has delivered an Optional Purchase Notice or a Fundamental Change Purchase Notice,
exercising the option of such Holder to require the Company to purchase such Security, may be converted only if such Optional Purchase Notice or Fundamental Change Purchase Notice is withdrawn in accordance with the terms of the Indenture.

  
 The initial Conversion Rate is 12.5423 shares per $1,000
principal amount of Securities, subject to adjustment in certain events described in the Indenture. No fractional shares of Common Stock shall be issued upon conversion of any Security. A Holder that surrenders Securities for conversion will receive
cash or a check in lieu of any fractional share of Common Stock. 
  
 To surrender a Security for conversion, a Holder must (i) complete and manually sign the conversion notice below (or complete and manually sign a facsimile of such notice) and deliver such notice to the Conversion Agent,
(ii) surrender the Security to the Conversion Agent, (iii) furnish appropriate endorsements and transfer documents and (iv) pay any transfer or similar tax, if required by the Indenture. 
  
 If the Company (i) is a party to a consolidation, merger or binding
share exchange, (ii) reclassifies the Common Stock or (iii) conveys, transfers or leases its properties and assets substantially as an entirety to any Person, the right to convert a Security into shares of Common Stock may be changed into
a right to convert it into securities, cash or other assets of the Company or such other Person, in each case in accordance with the Indenture. 
  
 9. Denominations; Transfer; Exchange. 
  
 The Securities are in fully registered form, without coupons, in denominations of $1,000 of principal amount and integral multiples of $1,000. A Holder
may transfer or exchange Securities in accordance with the Indenture. The Registrar may require a Holder, among other things, to furnish appropriate endorsements and transfer documents and to pay any taxes and fees required by law or permitted by
the Indenture. The Registrar need not transfer or exchange any Securities selected for redemption (except, in the case of a Security to be redeemed in part, the portion of the Security not to be redeemed) or any Securities in respect of which an
Optional 

  

 A-8 

 
Purchase Notice or a Fundamental Change Purchase Notice has been given and not withdrawn (except, in the case of a Security to be purchased in part, the
portion of the Security not to be purchased) or any Securities for a period of 15 days before the mailing of a notice of redemption of Securities to be redeemed. 
  
 10. Persons Deemed Owners. 
  
 The registered Holder of this Security may be treated as the owner of this Security for all purposes. 
  
 11. Unclaimed Money or Securities. 
  
 The Trustee and the Paying Agent shall return to the Company upon written
request any money held by them for the payment of any amount with respect to the Securities that remains unclaimed for two years, subject to applicable unclaimed property law. After return to the Company, Holders entitled to the money or securities
must look to the Company for payment as general creditors unless an applicable abandoned property law designates another Person. 
  
 12. Amendment; Waiver. 
  
 Subject to certain exceptions set forth in the Indenture, (i) the Indenture or the Securities may be amended with the written consent of the Holders
of at least a majority in aggregate principal amount of the outstanding Securities and (ii) certain Defaults may be waived with the written consent of the Holders of a majority in aggregate principal amount of the outstanding Securities. The
Indenture and the Securities may also be amended by the Company and the Trustee, without the consent of any Holder, in certain circumstances set forth in the Indenture; provided, that certain provisions of the Indenture and the Securities may
not be amended without the consent of each affected Holder. 
  
 13. Defaults and Remedies. 
  
 If any Event of Default with respect to Securities shall occur and be continuing, the principal of all the Securities may be declared due and payable in the manner and with the effect provided in the Indenture. 
  
 14. Trustee Dealings with the Company. 
  
 Subject to certain limitations imposed by the TIA, the Trustee under the
Indenture, in its individual or any other capacity, may become the owner or pledgee of Securities and may otherwise deal with and collect obligations owed to it by the Company or its Affiliates and may otherwise deal with the Company or its
Affiliates with the same rights it would have if it were not Trustee. 
  
 15. No Recourse Against Others. 
  
 A director, officer, employee or shareholder, as such, of the Company shall not have any liability for any obligations of the Company under the Securities or the Indenture or for any claim based on, in respect of or by reason of such
obligations or their creation. By accepting a Security, each Securityholder waives and releases all such liability. The waiver and release are part of the consideration for the issue of the Securities. 
  

 A-9 

 16. Authentication. 
  
 This Security shall not be valid until an authorized signatory of the
Trustee manually signs the Trustee’s Certificate of Authentication on the other side of this Security. 
  
 17. Abbreviations. 
  
 Customary abbreviations may be used in the name of a Securityholder or an assignee, such as TEN COM (=tenants in common), TEN ENT (=tenants by the
entireties), JT TEN (=joint tenants with right of survivorship and not as tenants in common), CUST (=custodian), and U/G/M/A (=Uniform Gift to Minors Act). 
  
 18. GOVERNING LAW. 
  
 THIS SECURITY AND THE INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE INTERNAL LAWS OF THE STATE OF NEW YORK. 
  
 The Company will furnish to any Securityholder upon written request and
without charge a copy of the Indenture which has in it the text of this Security. Requests may be made to: 
  
 Omnicare, Inc. 
 100 East RiverCenter Boulevard 
 Covington, Kentucky 41011 
 Attention: Secretary 
 Facsimile No.: (859) 392-3360 
  

 A-10 

			
	 ASSIGNMENT FORM

	    	 CONVERSION NOTICE

	 To assign this Security, fill in the form below:
  
 I or we assign and transfer this Security to
  
 (Insert assignee’s soc. Sec. Or tax ID no.)
  
 (Print or type assignee’s name, address and zip code)
  
 and irrevocably appoint                      agent to transfer
this Security on the books of the Company. The agent may substitute another to act for him.
  
 Date:                      Your Signature:
  
  
  

 (Sign exactly as your name appears on the other side of this Security)
  
 Signature Guaranteed
  
  

 Participant in a Recognized Signature Guarantee Medallion Program
	    	 To convert this Security into Common Stock of the Company, check the box  ̈
  
 To convert only part of this Security, state
the principal amount to be converted (which must be $1,000 or an integral multiple of $1,000):
  
 $
  
 If you want the stock certificate made out in
another person’s name fill in the form below:
  
 (Insert the other
person’s soc. Sec. Tax ID no.)
  
  

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

  

			
	 By:
	 	  

	 	 	Authorized Signatory                                   
                                 

  

 A-11 

 SCHEDULE OF INCREASES AND DECREASES OF GLOBAL SECURITY 
  
 Initial Principal Amount of Global Security:
($                ). 
  

									
	 Date

	  	Amount of
Increase in
Principal
Amount of
Global Security

	  	 Amount of
Decrease
 in Principal
Amount
 of Global
Security

	  	 Principal
Amount of
Global Security
After
 Increase or
Decrease

	  	 Notation by
Registrar
 or Security
Custodian

	 	  	 	  	 	  	 	  	 

  

 A-12 

 EXHIBIT B 
  

[FORM OF FACE OF CERTIFICATED SECURITY] 
  

 C-1 

 Omnicare, Inc. 
  
 3.25% Convertible Senior Notes due 2035 
  

			
	 No.:
	 	CUSIP: 681904AL2
	 Issue Date:
	 	Principal Amount: $
	 Issue Price: $1,000 (for each $1,000 Principal Amount)
	 	 

  
 Omnicare, Inc., a
Delaware corporation, promises to pay to                             or registered assigns, the
principal amount $                on December 15, 2035. 
  
 Interest Payment Dates: June 15 and December 15 commencing June 15, 2006. 
  
 Record Dates: June 1 and December 1. 
  
 Reference is hereby made to the further provisions of this Security set forth on the reverse side of this Security, which
further provisions shall for all purposes have the same effect as if set forth at this place. 
  

 C-2 

 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed under its corporate seal.

  
 Dated: 
  

			
	OMNICARE, INC.
		
	 By:
	 	  

	 Name:
	 	 
	 Title:
	 	 

  

			
	TRUSTEE’S CERTIFICATE OF AUTHENTICATION
	
	SUNTRUST BANK, as Trustee, certifies that this is one of the Securities referred to in the within mentioned Indenture.
		
	 By:
	 	  

	 	 	Authorized Signatory

  
 Dated: 
  

 C-3 

 [FORM OF REVERSE OF CERTIFICATED SECURITY IS IDENTICAL TO EXHIBIT A 
  
 EXCEPT NO SCHEDULE OF INCREASES AND DECREASES] 
  

 C-4

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