Document:

Employment, Separation & Release Agreement - Glenn R. Wienkoop

 Exhibit 10.2 
 EMPLOYMENT SEPARATION AND GENERAL RELEASE AGREEMENT 
 This
Employment Separation and General Release Agreement (this “Separation Agreement”), is entered into this 31st day of March,
2009 by and between Glenn R. Wienkoop, an individual (“Wienkoop”), and MSC.Software Corporation, a Delaware corporation (“MSC”). 
 WHEREAS, Wienkoop has been employed as the President and Chief Operating Officer of MSC since August, 2005, and 
 WHEREAS, Wienkoop and MSC have mutually agreed to terminate Wienkoop’s employment relationship with MSC upon the terms set forth herein. 
 NOW, THEREFORE, in consideration of the covenants undertaken and the releases contained in this Separation Agreement, Wienkoop and and MSC agree as follows: 
 1. Termination. Wienkoop’s position as an officer, director, employee, member, manager and in any other capacity with MSC and each of its affiliates terminated effective March 11,
2009 (“Separation Date”), and all benefits and perquisites of employment ceased as of the Separation Date. All payments due to Wienkoop from MSC shall be determined under the applicable provisions of this Separation
Agreement. Except for the payments referred to in the next sentence, Wienkoop acknowledges and agrees that he has received all amounts owed for his regular and usual salary (including, but not limited to, any severance, overtime, bonus,
commissions, or other wages), usual benefits and accrued but unused vacation through the Separation Date and that all payments due to Wienkoop from MSC after the Separation Date shall be determined under this Separation Agreement. On or before
April 15, 2009, MSC will pay Wienkoop (1) One Hundred Fifty Three Thousand Three Hundred Thirty Three Dollars ($153,333), less standard withholding and authorized deductions, as a bonus for 2008, and (2) Five Hundred Dollars ($500),
less standard withholding and authorized deductions, for a television and couch left by Wienkoop at a residential property in Newport Beach, California provided to him by MSC (the “Newport Beach Residence”). Wienkoop will not
be entitled to any bonus with respect to 2009. In addition, MSC will reimburse Wienkoop for his reasonable expenses incurred in packing and shipping his household goods and vehicles from the Newport Beach Residence; provided, however, that in no
event shall the maximum aggregate amount of such reimbursement exceed Five Thousand Dollars ($5,000) and provided, further, that any such reimbursement shall be contingent upon Wienkoop’s submitting to MSC a valid receipt documenting the
related expense not more than thirty (30) days after such expense was incurred. 
 2. Severance Benefit. MSC shall pay as
severance pay to Wienkoop the amount of Three Hundred and Ninety Eight Thousand Two Hundred and Sixty Eight dollars ($398,268.00), less standard withholding and authorized deductions (the “Severance Amount”). Such
Severance Amount shall be shall be paid in twelve (12) substantially equal monthly installments, with the first such installment to be paid not later than April 30, 2009. In addition, during the twelve-month period following the Separation
Date, MSC shall either pay or reimburse Wienkoop for one hundred percent (100%) of Wienkoop’s premiums to continue for such period under the Consolidated Omnibus Budget Reconciliation Act (“COBRA”) the same or
reasonably equivalent medical coverage for Wienkoop (and, if applicable, Wienkoop’s eligible dependents) as in effect immediately prior to the Separation Date. For each such month, Wienkoop shall also be entitled to continued supplemental
medical benefit coverage under MSC’s executive medical benefit program as in effect immediately prior to the Separation Date. (The Severance Amount and the health benefits provided under the preceding two sentences are collectively referred to
as the “Severance Benefit.”) A listing of all of Wienkoop’s equity awards vested as of the Separation Date is listed on Exhibit A attached hereto (to the extent so vested, the “Vested Equity
Awards”). Wienkoop has no rights with respect to any other equity awards granted by MSC. Schedule 
  

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 A also sets forth the aggregate balance of Wienkoop’s nonqualified deferred compensation account as of
December 31, 2008, which account (as adjusted through the date of final distribution) shall be paid out in accordance with the terms of MSC’s nonqualified deferred compensation plan (the “Deferred Compensation
Benefit”). Wienkoop specifically acknowledges and agrees that he is entitled to receive no severance pay or other benefits pursuant to any severance plan or policy of MSC or any of its affiliates. 
 3. Release. Wienkoop on behalf of himself, his descendants, dependents, heirs, executors, administrators, assigns, and successors, and
each of them, hereby covenants not to sue and fully releases and discharges MSC and each of its parents, subsidiaries and affiliates, past and present (together, the “Company Group”), as well as its and their trustees,
directors, officers, members, managers, partners, agents, attorneys, insurers, employees, stockholders, representatives, assigns, and successors, past and present, and each of them, hereinafter together and collectively referred to as the
“Releasees,” with respect to and from any and all claims, wages, demands, rights, liens, agreements, contracts, covenants, actions, suits, causes of action, obligations, debts, costs, expenses, attorneys’ fees, damages,
judgments, orders and liabilities of whatever kind or nature in law, equity or otherwise, whether now known or unknown, suspected or unsuspected, and whether or not concealed or hidden, which he now owns or holds or he has at any time heretofore
owned or held or may in the future hold as against any of said Releasees, arising out of or in any way related to his service as an officer, director, employee, member or manager of any member of the Company Group, his separation from his position
as an officer, director, employee, manager and/or member, as applicable, of any member of the Company Group, or any other transactions, occurrences, acts or omissions or any loss, damage or injury whatever, known or unknown, suspected or
unsuspected, resulting from any act or omission by or on the part of said Releasees, or any of them, committed or omitted prior to the date of this Separation Agreement related to Wienkoop’s employment or service with any member of the Company
Group, including, without limiting the generality of the foregoing, any claim under Title VII of the Civil Rights Act of 1964, the Americans with Disabilities Act, the Age Discrimination in Employment Act, the Family and Medical Leave Act of 1993,
the California Fair Employment and Housing Act, the California Family Rights Act, or any claim for severance pay, bonus, sick leave, holiday pay, vacation pay, life insurance, health or medical insurance or any other fringe benefit, workers’
compensation or disability; provided that such release shall not apply to (1) any obligation created by or arising out of this Separation Agreement for which receipt or satisfaction has not been acknowledged, (2) any right to
indemnification that Wienkoop may have pursuant to MSC’s Bylaws or its certificate of incorporation with respect to any loss, damages or expenses (including but not limited to attorneys’ fees) that Wienkoop may in the future incur with
respect to his service as an employee, officer or director of MSC or any of its subsidiaries or affiliates, (3) with respect to any rights that Wienkoop may have to insurance coverage for such losses, damages or expenses under any MSC directors
and officers liability insurance policy, (4) any right with respect to the Vested Equity Awards pursuant to the written equity-based award agreements entered into by and between MSC and Wienkoop before the Separation Date to the extent that
such right continues after the Separation Date in accordance with the terms of the award, (5) the right of Wienkoop to obtain contribution as permitted by law in the event of an entry of judgment against Wienkoop as a result of any act or
failure to act for which Wienkoop and MSC are jointly liable, (6) any rights to continued medical coverage that Wienkoop may have under COBRA, (7) any rights to payment of benefits that Wienkoop may have under a retirement plan sponsored
or maintained by MSC that is intended to qualify under Section 401(a) of the Internal Revenue Code of 1986, as amended, and (8) Wienkoop’s right to receive payment of the Deferred Compensation Benefit. 
 4. 1542 Waiver. It is the intention of Wienkoop in executing this instrument that the same shall be effective as a bar to each and every claim, demand
and cause of action hereinabove specified. In furtherance of this intention, Wienkoop hereby expressly waives any and all rights and benefits conferred upon him by the provisions of SECTION 1542 OF THE CALIFORNIA CIVIL CODE and expressly

  

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consents that this Separation Agreement shall be given full force and effect according to each and all of its express terms and provisions, including those
related to unknown and unsuspected claims, demands and causes of action, if any, as well as those relating to any other claims, demands and causes of action hereinabove specified. SECTION 1542 provides: 
 “A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS WHICH THE CREDITOR DOES NOT KNOW OR SUSPECT TO EXIST IN HIS FAVOR AT THE TIME OF EXECUTING THE RELEASE, WHICH IF
KNOWN BY HIM MUST HAVE MATERIALLY AFFECTED HIS SETTLEMENT WITH THE DEBTOR.” 
 Wienkoop acknowledges that he may hereafter discover claims or facts
in addition to or different from those which Wienkoop now knows or believes to exist with respect to the subject matter of this Separation Agreement and which, if known or suspected at the time of executing this Separation Agreement, may have
materially affected this settlement. Nevertheless, Wienkoop hereby waives any right, claim or cause of action that might arise as a result of such different or additional claims or facts. Wienkoop acknowledges that he understands the
significance and consequences of such release and such specific waiver of SECTION 1542. 
 5. ADEA Waiver. Wienkoop expressly
acknowledges and agrees that by entering into this Separation Agreement, he is waiving any and all rights or claims that he may have arising under the Age Discrimination in Employment Act of 1967, as amended, which have arisen on or before the date
of execution of this Separation Agreement. Wienkoop further expressly acknowledges and agrees that: 
  

	 	a.	In return for this Separation Agreement, he will receive consideration beyond that which he was already entitled to receive before entering into this Separation Agreement;

  

	 	b.	He is hereby advised in writing by this Separation Agreement to consult with an attorney before signing this Separation Agreement; 

  

	 	c.	He was given a copy of this Separation Agreement on March 27, 2009 and informed that he had twenty-one (21) days within which to consider this Separation Agreement
and that if he wished to execute this Separation Agreement prior to expiration of such 21-day period, he should execute the Acknowledgement and Waiver attached hereto as Exhibit B; and 

  

	 	d.	He was informed that he had seven (7) days following the date of execution of this Separation Agreement in which to revoke this Separation Agreement. 

6. No Transferred Claims. Wienkoop warrants and represents that he has not heretofore assigned or transferred to any person not a party to this
Separation Agreement any released matter or any part or portion thereof and he shall defend, indemnify and hold MSC and each of its affiliates harmless from and against any claim (including the payment of attorneys’ fees and costs actually
incurred whether or not litigation is commenced) based on or in connection with or arising out of any such assignment or transfer made, purported or claimed. 
 7. Removal of Certain Property; Return of Property. Wienkoop acknowledges that an automobile belonging to him is currently located (if not heretofore removed by Wienkoop) at the Newport Beach Residence. Wienkoop agrees to
remove such vehicle from the property (if not already so removed) within thirty (30) days following the date hereof. If such vehicle has not been removed from the property within such 30-day period, MSC will arrange to have such vehicle removed
and placed in storage at Wienkoop’s expense. In no event will MSC have any liability (for expenses, damage or otherwise) with 

  

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respect to such vehicle (while it is located at the Newport Beach Residence, being transported, in storage or otherwise). Wienkoop represents and warrants
that he has returned to MSC all keys to Newport Beach Residence that were ever in his possession, that he has not permitted any other person to retain or duplicate any such key, and that to his knowledge no person (other than a person continuing in
the employ of MSC after the date hereof) is currently in possession of such a key. Wienkoop represents and warrants that he has not removed from Newport Beach Residence any furnishings or other property other than his own personal possessions.
Wienkoop represents and warrants that he has not taken, or otherwise caused or permitted there to be taken, and to his knowledge there has not been taken, from Newport Beach Residence any furnishings or other property paid for by MSC (including any
such property which Wienkoop or another individual may have initially purchased but for which such individual received reimbursement from MSC). Wienkoop represents and warrants that he has truthfully and faithfully accounted for and delivered to MSC
all property belonging to MSC or any of its subsidiaries or other affiliates. If property belonging to MSC or any of its subsidiaries or other affiliates is determined to be in Wienkoop’s possession or has been transferred by Wienkoop to any
other person without MSC’s consent, Wienkoop shall immediately deliver or cause there to be delivered to MSC all such property and, if not so returned, MSC shall (without limiting any of MSC’s other rights or remedies in the circumstances)
be entitled to offset any payments remaining due to Wienkoop under Section 2 of this Separation Agreement by MSC’s cost to replace such property. Wienkoop is, however, permitted to retain his personal home computer and papers and other
materials of a personal nature, including personal diaries, calendars and personal rolodexes, personal information relating to his compensation or relating to the reimbursement of expenses, personal information that he reasonably believes are needed
for tax purposes and copies of MSC’s compensatory plans, programs and agreements relating to his compensation as an employee.
 8. Non-Competition. Wienkoop acknowledges and recognizes the highly competitive nature of MSC’s businesses, the amount of sensitive and confidential information involved in the discharge of Wienkoop’s
position with MSC, and the harm to MSC that would result if such knowledge or expertise was disclosed or made available to a competitor. Based on that understanding, Wienkoop hereby expressly agrees as follows: 
  

	 	a.	 As a result of the particular nature of Wienkoop’s relationship with MSC, in the capacities identified earlier in this Separation Agreement, for the longer of
(a) 12 months following the Separation Date or (b) any period that Wienkoop is receiving payments pursuant to Section 2, Wienkoop hereby agrees that he will not, directly or indirectly, (i) engage in any business for
Wienkoop’s own account or derive any material economic benefit from any business that competes with the business of MSC or any of its affiliates (MSC and its affiliates are referred to, collectively, as the “Company
Group”), (ii) enter the employ of, or render any services to, any person engaged in any business that competes with the business of any entity within the Company Group, (iii) acquire a financial interest in any person engaged
in any business that competes with the business of any entity within the Company Group, directly or indirectly, as an individual, partner, member, shareholder, officer, director, principal, agent, trustee or consultant, or (iv) other than in
the performance of his duties hereunder, interfere with business relationships (whether formed before or after the Separation Date) between MSC, any of its respective affiliates or subsidiaries, and any customers, suppliers, officers, employees,
partners, members or investors of any entity within the Company Group for the purpose of competing, or allowing a third party to compete, with the business of any entity of the Company Group. For purposes of this Separation Agreement,
businesses in competition with the Company Group shall include, without limitation, each of the following: (i) businesses in which any entity within the Company Group actively participates; (ii) businesses in which any entity within the
Company Group has identified (and which is known to Wienkoop or William J. Weyand or reasonably should be known by one or 

  

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both of them) as being a potential target for a strategic transaction (such as an acquisition of all or a portion of such business, a merger or purchase of
stock or other equity interests in such business, a joint venture, or a technology or other asset purchase); (iii) any person or business negotiating (either now or at the time Wienkoop proposes to commence any such relationship) a transaction
with MSC that reasonably could (if consummated) result in Change in Control Event (as such term is defined in MSC’s 2006 Performance Incentive Plan); and (iv) any businesses which any entity within the Company Group has specific plans to
actively participate in the future if Wienkoop is aware of such plans, whether or not such entity has commenced such operations. 

  

	 	b.	Notwithstanding anything to the contrary in this Separation Agreement, Wienkoop may, directly or indirectly, own, solely as an investment, (x) securities of any person which
are publicly traded on a national or regional stock exchange or on an over-the-counter market if Wienkoop (i) is not a controlling person of, or a member of a group which controls, such person, and (ii) does not, directly or indirectly,
beneficially own two percent (2%) or more of any class of securities of such person or (y) which is a mutual fund or similar investment vehicle. 

 9. Confidentiality. As a material part of the consideration for MSC’s commitment to the terms of this Separation Agreement, Wienkoop hereby agrees that Wienkoop will not at any time knowingly
disclose, disclose in a fashion that Wienkoop reasonably should know the consequences of such disclosure, or use for Wienkoop’s own benefit or purposes or the benefit or purposes of any other person, firm, partnership, joint venture,
association, corporation or other business organization, entity or enterprise, any trade secrets, or other confidential data or information relating to customers, development programs, costs, marketing, trading, investment, sales activities,
promotion, credit and financial data, financing methods, or plans of any entity within the Company Group; provided, however, that the foregoing shall not apply to information which is generally known to the industry or the public, other than
as a result of Wienkoop’s breach of this covenant. Wienkoop further agrees that Wienkoop will not retain or use for his account, at any time, any trade names, trademark or other proprietary business designation used or owned in connection
with the business of any entity within the Company Group. Notwithstanding the foregoing, the provisions of this Section 9 shall not apply when (i) disclosure is required by law or by any court, arbitrator, mediator or administrative
or legislative body (including any committee thereof) with apparent jurisdiction to order Wienkoop to disclose or make available such information, provided, however that Wienkoop shall promptly notify MSC in writing upon receiving a request
for such information, or (ii) with respect to any other litigation, arbitration or mediation involving this Separation Agreement, including but not limited to enforcement of this Separation Agreement. 
 10. Anti-solicitation. Wienkoop promises and agrees that for a period of one (1) year from the Separation Date, Wienkoop will not, directly or
indirectly, individually or as a consultant to, or as an employee, officer, stockholder, director or other owner or participant in any business, influence or attempt to influence customers, vendors, suppliers, joint venturers, associates,
consultants, agents, or partners of any entity within the Company Group, either directly or indirectly, to divert their business away from the Company Group, to any individual, partnership, firm, corporation or other entity then in competition with
the business of any entity within the Company Group, and he will not otherwise materially interfere with any business relationship of any entity within the Company Group; provided, however, that following the Term, the participation in, or ownership
of, a competitive business shall not, in and of itself, be deemed to be material interference under this Section 10. 
 11. Soliciting
Employees. Wienkoop promises and agrees that for a period of one (1) year from the Separation Date, Wienkoop will not, directly or indirectly, individually or as a consultant to, or as an employee, officer, stockholder, director or
other owner of or participant in any business, solicit (or assist in soliciting) any person who is then, or at any time within six (6) months prior thereto was, an employee 

  

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of an entity within the Company Group who earned annually $25,000 or more as an employee of such entity during the last six (6) months of his or her own
employment to work for (as an employee, consultant or otherwise) any business, individual, partnership, firm, corporation, or other entity whether or not engaged in competitive business with any entity in the Company Group. 
 12. Non-Disparagement. Wienkoop agrees that he will not (1) directly or indirectly, make or ratify any statement, public or private, oral or
written, to any person that disparages, either professionally or personally, MSC or any of its affiliates, past and present, and each of them, as well as its and their trustees, directors, officers, members, managers, partners, agents, attorneys,
insurers, employees, stockholders, representatives, assigns, and successors, past and present, and each of them, or (2) make any statement or engage in any conduct that has the purpose or effect of disrupting the business of MSC or any of its
affiliates. Nothing in this Section 12 shall in any way prohibit Wienkoop from disclosing such information as may be required by law, or by judicial or administrative process or order or the rules of any applicable securities exchange or
similar self-regulatory organization. 
 13. Return of Property. Wienkoop agrees to truthfully and faithfully account for and deliver to MSC
all property belonging to MSC, any other entity in the Company Group, or any of their respective affiliates, which Wienkoop may receive from or on account of MSC, any other entity in the Company Group, or any of their respective affiliates, and upon
the termination of the Term, or MSC’s demand, Wienkoop shall immediately deliver to MSC all such property belonging to MSC, any other entity in the Company Group, or any of their respective affiliates. Anything to the contrary
notwithstanding, nothing in this Section 13 shall prevent Wienkoop from retaining his personal home computer and papers and other materials of a personal nature, including personal diaries, calendars and personal rolodexes, personal information
relating to his compensation or relating to the reimbursement of expenses, personal information that he reasonably believes are needed for tax purposes and copies of MSC’s compensatory plans, programs and agreements relating to his compensation
as an employee. 
 14. Withholding Taxes. Notwithstanding anything else herein to the contrary, MSC may withhold (or cause there to be
withheld, as the case may be) from any amounts otherwise due or payable under or pursuant to this Separation Agreement such federal, state and local income, employment, or other taxes as may be required to be withheld pursuant to any applicable law
or regulation. 
 15. Assignment. This Agreement is personal in its nature and neither of the parties hereto shall, without the
other’s consent, assign or transfer this Separation Agreement or any rights or obligations hereunder; provided, however , that in the event of a merger, consolidation, or transfer or sale of all or substantially all of the assets of MSC
with or to any other individual(s) or entity, this Separation Agreement shall, subject to the provisions hereof, be binding upon and inure to the benefit of such successor and such successor shall discharge and perform all the promises, covenants,
duties, and obligations of MSC hereunder, provided that the obligations hereunder are assumed, either by law or contract, by such transferee or successor. 
 16. Number and Gender. Where the context requires, the singular shall include the plural, the plural shall include the singular, and any gender shall include all other genders. 
 17. Section Headings. The section headings of, and titles of paragraphs and subparagraphs contained in, this Separation Agreement are for
the purpose of convenience only, and they neither form a part of this Separation Agreement nor are they to be used in the construction or interpretation thereof. 
 18. Notice. 
 (A) All notices, requests, demands and other communications required or permitted under this Separation
Agreement shall be in writing and shall be deemed to have been duly given and made if (i) delivered by hand, (ii) otherwise delivered against receipt therefor, or (iii) sent by registered or 

  

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certified mail, postage prepaid, return receipt requested. Any notice shall be duly addressed to the parties as follows: 
 (i) if to MSC : 
 MSC.Software Corporation 
 2 MacArthur Place 
 Santa Ana, California 92707 
 Attn: Board of Directors 
 (ii ) if to Wienkoop : 
 Glenn R. Wienkoop 
 1251 Ida Street 
 Cincinnati, Ohio 45202 
 (B) Any party may alter the address to which communications or copies are to be sent by giving notice of such change of address in conformity with the
provisions of this Section 18 for the giving of notice. Any communication shall be effective when delivered by hand, when otherwise delivered against receipt therefor, or five (5) business days after being mailed in accordance with
the foregoing. 
 19. Miscellaneous. 
 (A) Successors. This Separation Agreement is personal to Wienkoop and shall not, without the prior written consent of MSC, be assignable by Wienkoop. This Separation Agreement shall inure to the benefit of and be
binding upon MSC and its respective successors and assigns and any such successor or assignee shall be deemed substituted for MSC under the terms of this Separation Agreement for all purposes. As used herein, “successor” and
“assignee” shall include any person, firm, corporation or other business entity which at any time, whether by purchase, merger or otherwise, directly or indirectly acquires the ownership of MSC or to which MSC assigns this Separation
Agreement by operation of law or otherwise. 
 (B) Waiver. No waiver of any breach of any term or provision of this
Separation Agreement shall be construed to be, nor shall be, a waiver of any other breach of this Separation Agreement. No waiver shall be binding unless in writing and signed by the party waiving the breach. 
 (C) Modification. This Separation Agreement may not be amended or modified other than by a written agreement executed by Wienkoop and
the Chief Legal Officer of MSC or his designee, or an officer authorized by the Board of Directors of MSC. 
 (D) Complete
Agreement. This Separation Agreement constitutes and contains the entire agreement and final understanding concerning Wienkoop’s relationship with MSC and its affiliates and the other subject matters addressed herein between the
parties, and supersedes and replaces all prior negotiations and all agreements proposed or otherwise, whether written or oral, concerning the subject matters. Any representation, promise or agreement not specifically included in this Separation
Agreement or the Confidentiality Agreement shall not be binding upon or enforceable against either party. This Separation Agreement constitutes an integrated agreement. Notwithstanding the preceding provisions of this Section 19(D),
MSC’s rights under the Employee Confidentiality and Inventions Agreement executed by Wienkoop on August 15, 2005 (the “Inventions Agreement”), and any written equity-based award agreement entered into by and between
MSC and Wienkoop before the Separation Date pursuant to which Wienkoop has rights that continue after the Separation Date in accordance with the terms of the award are each outside of the scope of the foregoing provisions of this Section 19(D)
and 

  

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shall continue in effect in accordance with their terms. The Severance Compensation Agreement executed by Wienkoop on May 28, 2008 is terminated as of
the Separation Date and Wienkoop shall have no further rights thereunder. 
 (E) Severability. If any provision of this
Separation Agreement or the application thereof is held invalid, the invalidity shall not affect other provisions or applications of the Separation Agreement which can be given effect without the invalid provisions or applications and to this end
the provisions of this Separation Agreement are declared to be severable. 
 (F) Choice of Law. This Separation
Agreement shall be deemed to have been executed and delivered within the State of Ohio, and the rights and obligations of the parties hereunder shall be construed and enforced in accordance with, and governed by, the laws of the State of Ohio
without regard to principles of conflict of laws. 
 (G) Cooperation in Drafting. Each party has cooperated in the
drafting and preparation of this Separation Agreement. Hence, in any construction to be made of this Separation Agreement, the same shall not be construed against any party on the basis that the party was the drafter. 
 (H) Counterparts. This Separation Agreement may be executed in counterparts, and each counterpart, when executed, shall have the
efficacy of a signed original. Photographic copies of such signed counterparts may be used in lieu of the originals for any purpose. 
 (I) Arbitration. Any controversy arising out of or relating to this Separation Agreement, the enforcement or interpretation of this Separation Agreement, or because of an alleged breach, default, or
misrepresentation in connection with any of the provisions of this Separation Agreement, including (without limitation) any state or federal statutory claims, shall be submitted to final and binding arbitration, to be held in Orange County,
California before a sole neutral arbitrator; provided, however, that provisional injunctive relief may, but need not, be sought in a court of law while arbitration proceedings are pending, and any provisional injunctive relief granted by such court
shall remain effective until the matter is finally determined by the arbitrator. The arbitration shall be administered by JAMS pursuant to its Comprehensive Arbitration Rules and Procedures. Judgment on the award may be entered in any
court having jurisdiction. 
 The parties acknowledge and agree that they are hereby waiving any rights to trial by jury in any action, proceeding or
counterclaim brought by either of the parties against the other in connection with any matter whatsoever arising out of or in any way connected with any of the matters referenced in the first sentence of the first paragraph of this
Section 19(I). The parties agree that MSC shall be responsible for payment of the forum costs of any arbitration hereunder, including the Arbitrator’s fee. The parties further agree that in any proceeding with respect to such matters,
each party will bear its own attorney’s fees and costs (other than forum costs associated with the arbitration which in any event shall be paid by MSC). 
 Without limiting the remedies available to the parties and notwithstanding the foregoing provisions of this Section 19(I), Wienkoop and MSC acknowledge that any breach of any of the covenants or provisions contained in this Separation
Agreement could result in irreparable injury to either of the parties hereto for which there might be no adequate remedy at law, and that, in the event of such a breach or threat thereof, the non-breaching party shall be entitled to obtain a
temporary restraining order and/or a preliminary injunction and a permanent injunction restraining the other party hereto from engaging in any activities prohibited by any covenant or provision in this Separation Agreement or such other equitable
relief as may be required to enforce specifically any of the covenants or provisions of this Separation Agreement. 
  

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 (J) Advice of Counsel. In entering this Separation Agreement, the parties
represent that they have relied upon the advice of their attorneys, who are attorneys of their own choice, and that the terms of this Separation Agreement have been completely read and explained to them by their attorneys, and that those terms are
fully understood and voluntarily accepted by them. 
 (K) Supplementary Documents. All parties agree to cooperate fully
and to execute any and all supplementary documents and to take all additional actions that may be necessary or appropriate to give full force to the basic terms and intent of this Separation Agreement and which are not inconsistent with its terms.

 (L) Headings. The section headings contained in this Separation Agreement are inserted for convenience only
and shall not affect in any way the meaning or interpretation of this Separation Agreement. 
 (M) Taxes. Other
than MSC’s obligation to withhold taxes as required by law or regulation, Wienkoop shall be solely responsible for any taxes due as a result of the payment of the Severance Benefit and other benefits to be provided to Wienkoop pursuant to
Section 2. Wienkoop will defend and indemnify MSC and each of its affiliates from and against any tax liability that any of them may have with respect to any such payment and against any and all losses or liabilities, including defense
costs, arising out of Wienkoop’s failure to pay any taxes due with respect to any such payment.
 I have read the foregoing Separation Agreement and I
accept and agree to the provisions it contains and hereby execute it voluntarily with full understanding of its consequences. 
 EXECUTED this 31st day of March 2009. 
  

							
		 		 	“Wienkoop”
			
		 		 	 /s/ Glenn R. Wienkoop

		 		 	Glenn R. Wienkoop
			
	EXECUTED this 31st day of March 2009.	 		 	
			
		 		 	“MSC”
			
		 		 	MSC.Software Corporation,
		 		 	a Delaware corporation
				
		 		 		 	
		 		 	By:	 	 /s/ John A. Mongelluzzo

		 		 	Its:	 	 Executive Vice President

  

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 EXHIBIT A 
 GLENN R. WIENKOOP 
 EQUITY AND 
 NON-QUALIFIED DEFERRED COMPENSATION BALANCES 
 Non-qualified Vested Stock Options 
  

								
	 Number of
 Options
	 	  	  	Option
Exercise Price($)	  	Grant
Date
	40,000	 		  	 	13.61	  	07/10/07
	206,250	 		  	 	14.30	  	8/15/05
	 	 		  			  	
	246,250	 		  			  	
			
	Deferred Compensation Account	  			  	
	Balance as of 12/31/08:	  	$	60,180.00	  	
			
	2008 Contribution made in 2009:	  	 	25,490.00	  	
		 		  	 	 	  	
		 		  	$	85,670.00	  	

  

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 EXHIBIT B 
 ACKNOWLEDGMENT AND WAIVER 
 I, Glenn R. Wienkoop, hereby acknowledge that I was given 21 days to
consider the foregoing Employment Separation and General Agreement and voluntarily chose to sign the Employment Separation and General Release Agreement prior to the expiration of the 21-day period. 
 I declare under penalty of perjury under the laws of the State of Ohio that the foregoing is true and correct. 
 EXECUTED this 31st day of March 2009, at Orange County, California. 
  

	
	
	 /s/ Glenn R. Wienkoop

	Glenn R. Wienkoop

  

 11Indenture dated as of March 30, 2009

 Exhibit 4.6 
 EXECUTION COPY 
  
  
 HEADWATERS INCORPORATED 
 as Issuer

 AND 
 WELLS FARGO BANK,
NATIONAL ASSOCIATION 
 as Trustee 
  
  
 Indenture 
 Dated as of March 30, 2009 
  
  
 14.75% Convertible Senior
Subordinated Notes due 2014 
  
  

 TABLE OF CONTENTS 
 ARTICLE 1 
 DEFINITIONS AND OTHER
PROVISIONS OF GENERAL APPLICATION 
  

					
	 	 	 	  	Page
	 Section 1.01.
	 	Definitions	  	1
	 Section 1.02.
	 	Compliance Certificates and Opinions	  	15
	 Section 1.03.
	 	Form of Documents Delivered to Trustee	  	15
	 Section 1.04.
	 	Acts of Holders; Record Dates	  	16
	 Section 1.05.
	 	Notices, Etc., to Trustee and Company	  	17
	 Section 1.06.
	 	Notice to Holders; Waiver	  	18
	 Section 1.07.
	 	Conflict with Trust Indenture Act	  	18
	 Section 1.08.
	 	Effect of Headings and Table of Contents	  	18
	 Section 1.09.
	 	Severability Clause	  	18
	 Section 1.10.
	 	Benefits of Indenture	  	19
	 Section 1.11.
	 	Governing Law	  	19
	 Section 1.12.
	 	No Recourse Against Others	  	19
	
	ARTICLE 2
	SECURITY FORMS
			
	 Section 2.01.
	 	Forms Generally	  	19
	 Section 2.02.
	 	Form of Face of Security	  	19
	 Section 2.03.
	 	Form of Reverse of Security	  	23
	 Section 2.04.
	 	Form of Trustee’s Certificate of Authentication	  	31
	 Section 2.05.
	 	Legend on Restricted Securities	  	31
	
	ARTICLE 3
	THE SECURITIES
			
	 Section 3.01.
	 	Title and Terms; Payments	  	31
	 Section 3.02.
	 	Ranking	  	32
	 Section 3.03.
	 	Denominations	  	32
	 Section 3.04.
	 	Execution, Authentication, Delivery and Dating	  	32
	 Section 3.05.
	 	Temporary Securities	  	33
	 Section 3.06.
	 	Registration; Registration of Transfer and Exchange; Restrictions on Transfer	  	34
	 Section 3.07.
	 	Mutilated, Destroyed, Lost and Stolen Securities	  	36
	 Section 3.08.
	 	Persons Deemed Owners	  	37
	 Section 3.09.
	 	Book-Entry Provisions for Global Securities	  	37
	 Section 3.10.
	 	Cancellation and Transfer Provisions	  	38
	 Section 3.11.
	 	CUSIP Numbers	  	40

  

 i 

					
	ARTICLE 4
	PARTICULAR COVENANTS OF THE COMPANY
			
	 Section 4.01.
	 	Payment of Principal and Interest	  	40
	 Section 4.02.
	 	Maintenance of Office or Agency	  	40
	 Section 4.03.
	 	Provisions as to Paying Agent	  	41
	 Section 4.04.
	 	Rule 144A Information Requirement	  	42
	 Section 4.05.
	 	Resale of Certain Securities	  	43
	 Section 4.06.
	 	Commission Filings	  	43
	 Section 4.07.
	 	Book-Entry System	  	43
	 Section 4.08.
	 	Additional Interest under the Registration Rights Agreement	  	43
	 Section 4.09.
	 	Compliance Certificate	  	44
	
	ARTICLE 5
	FUNDAMENTAL CHANGES AND PURCHASES THEREUPON
			
	 Section 5.01.
	 	Purchase at Option of Holders Upon a Fundamental Change	  	45
	 Section 5.02.
	 	Effect of Fundamental Change Purchase Notice	  	48
	 Section 5.03.
	 	Withdrawal of Fundamental Change Purchase Notice	  	48
	 Section 5.04.
	 	Deposit of Fundamental Change Purchase Price	  	49
	 Section 5.05.
	 	Securities Purchased in Whole or in Part	  	49
	 Section 5.06.
	 	Covenant to Comply With Securities Laws Upon Purchase of Securities	  	49
	 Section 5.07.
	 	Repayment to the Company	  	50
	
	ARTICLE 6
	CONVERSION
			
	 Section 6.01.
	 	Right to Convert	  	50
	 Section 6.02.
	 	Conversion Procedure	  	52
	 Section 6.03.
	 	Payments Upon Conversion	  	54
	 Section 6.04.
	 	Adjustment of Conversion Rate	  	56
	 Section 6.05.
	 	Adjustments of Average Prices	  	64
	 Section 6.06.
	 	Adjustments Upon Certain Fundamental Changes	  	64
	 Section 6.07.
	 	Effect of Recapitalization, Reclassification, Consolidation, Merger or Sale	  	66
	 Section 6.08.
	 	Taxes on Shares Issued	  	68
	 Section 6.09.
	 	Reservation of Shares; Shares to be Fully Paid; Compliance With Governmental Requirements; Listing of Common Stock	  	68
	 Section 6.10.
	 	Responsibility of Trustee	  	68
	 Section 6.11.
	 	Notice to Holders Prior to Certain Actions	  	69
	 Section 6.12.
	 	Stockholder Rights Plan	  	70
	 Section 6.13.
	 	Company Determination Final	  	70

  

 ii 

					
	ARTICLE 7
	EVENTS OF DEFAULT; REMEDIES
			
	 Section 7.01.
	 	Events of Default	  	71
	 Section 7.02.
	 	Acceleration of Maturity; Rescission and Annulment	  	72
	 Section 7.03.
	 	Collection of Indebtedness and Suits for Enforcement by Trustee	  	73
	 Section 7.04.
	 	Trustee May File Proofs of Claim	  	74
	 Section 7.05.
	 	Application of Money and Property Collected	  	74
	 Section 7.06.
	 	Limitation on Suits	  	75
	 Section 7.07.
	 	Unconditional Right of Holders to Receive Payment	  	75
	 Section 7.08.
	 	Restoration of Rights and Remedies	  	76
	 Section 7.09.
	 	Rights and Remedies Cumulative	  	76
	 Section 7.10.
	 	Delay or Omission Not Waiver	  	76
	 Section 7.11.
	 	Control by Holders	  	76
	 Section 7.12.
	 	Waiver of Past Defaults	  	77
	 Section 7.13.
	 	Undertaking for Costs	  	77
	 Section 7.14.
	 	Waiver of Stay or Extension Laws	  	77
	 Section 7.15.
	 	Notice of Default	  	78
	
	ARTICLE 8
	CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE
			
	 Section 8.01.
	 	Company May Consolidate, etc., Only on Certain Terms	  	78
	 Section 8.02.
	 	Successor Substituted	  	78
	
	ARTICLE 9
	SUBORDINATION OF THE SECURITIES
			
	 Section 9.01.
	 	Agreement of Subordination	  	79
	 Section 9.02.
	 	Payments to Holders	  	79
	 Section 9.03.
	 	Subrogation of Securities	  	82
	 Section 9.04.
	 	Authorization to Effect Subordination	  	83
	 Section 9.05.
	 	Notice to Trustee	  	83
	 Section 9.06.
	 	Trustee’s Relation to Senior Indebtedness	  	84
	 Section 9.07.
	 	No Impairment of Subordination	  	85
	 Section 9.08.
	 	Certain Conversions Deemed Payment	  	85
	 Section 9.09.
	 	Article Applicable to Paying Agents	  	86
	 Section 9.10.
	 	Senior Indebtedness Entitled to Rely	  	86
	 Section 9.11.
	 	Anti-Layering	  	86

  

 iii 

					
	ARTICLE 10
	THE TRUSTEE
			
	 Section 10.01.
	 	Duties and Responsibilities of Trustee	  	86
	 Section 10.02.
	 	Notice of Defaults	  	88
	 Section 10.03.
	 	Reliance on Documents, Opinions, Etc.	  	88
	 Section 10.04.
	 	No Responsibility for Recitals, Etc.	  	89
	 Section 10.05.
	 	Trustee, Paying Agents, Conversion Agents or Registrar May Own Securities	  	90
	 Section 10.06.
	 	Monies to be Held in Trust	  	90
	 Section 10.07.
	 	Compensation and Expenses of Trustee	  	90
	 Section 10.08.
	 	Officers’ Certificate as Evidence	  	91
	 Section 10.09.
	 	Conflicting Interests of Trustee	  	91
	 Section 10.10.
	 	Eligibility of Trustee	  	91
	 Section 10.11.
	 	Resignation or Removal of Trustee	  	91
	 Section 10.12.
	 	Acceptance by Successor Trustee	  	93
	 Section 10.13.
	 	Succession by Merger, Etc.	  	93
	 Section 10.14.
	 	Preferential Collection of Claims	  	94
	
	ARTICLE 11
	HOLDERS’ LISTS AND REPORTS BY TRUSTEE
			
	 Section 11.01.
	 	Company to Furnish Trustee Names and Addresses of Holders	  	94
	 Section 11.02.
	 	Preservation of Information; Communications to Holders	  	95
	 Section 11.03.
	 	Reports By Trustee	  	95
	 Section 11.04.
	 	Reports by Company	  	95
	
	ARTICLE 12
	SATISFACTION AND DISCHARGE
			
	 Section 12.01.
	 	Discharge of Indenture	  	96
	 Section 12.02.
	 	Deposited Monies to be Held in Trust by Trustee	  	96
	 Section 12.03.
	 	Paying Agent to Repay Monies Held	  	97
	 Section 12.04.
	 	Return of Unclaimed Monies	  	97
	 Section 12.05.
	 	Reinstatement	  	97
	
	ARTICLE 13
	SUPPLEMENTAL INDENTURES
			
	 Section 13.01.
	 	Supplemental Indentures Without Consent of Holders	  	97
	 Section 13.02.
	 	Supplemental Indentures With Consent of Holders	  	98
	 Section 13.03.
	 	Execution of Supplemental Indentures	  	99
	 Section 13.04.
	 	Effect of Supplemental Indentures	  	100
	 Section 13.05.
	 	Conformity with Trust Indenture Act	  	100
	 Section 13.06.
	 	Reference in Securities to Supplemental Indentures	  	100
	 Section 13.07.
	 	Notice to Holders of Supplemental Indentures	  	100

  

 iv 

					
	  
 ARTICLE 14

	MISCELLANEOUS
			
	 Section 14.01.
	 	Communication by Holders with other Holders	  	100
	 Section 14.02.
	 	When Securities Are Disregarded	  	100
	 Section 14.03.
	 	Rules by Trustee, Paying Agent and Security Registrar	  	101
	 Section 14.04.
	 	Successors	  	101
	 Section 14.05.
	 	Multiple Originals	  	101
	 Section 14.06.
	 	Qualification of Indenture	  	101
	 Section 14.07.
	 	Calculations	  	101
	 Section 14.08.
	 	Waiver of Jury Trial	  	101
	 Section 14.09.
	 	Force Majeure	  	102

  

 v 

 INDENTURE, dated as of March 30, 2009, between Headwaters Incorporated, a corporation duly organized
and existing under the laws of the State of Delaware, as Issuer (the “Company”), having its principal office at 10653 South River Front Parkway, Suite 300, Utah 84095 and Wells Fargo Bank, National Association, a national banking
association, as Trustee (the “Trustee”). 
 RECITALS OF THE COMPANY 
 WHEREAS, the Company has duly authorized the creation of an issue of 14.75% Convertible Senior Subordinated Notes due 2014 (each a
“Security” and collectively, the “Securities”) of the tenor and amount hereinafter set forth, and to provide therefor the Company has duly authorized the execution and delivery of this Indenture; and 
 WHEREAS, all things necessary to make the Securities, when executed by the Company and authenticated and delivered hereunder and duly issued by the
Company, the valid and legally binding obligations of the Company, and to make this Indenture a valid and legally binding agreement of the Company, in accordance with the terms of the Securities and the Indenture, have been done; 
 NOW, THEREFORE, THIS INDENTURE WITNESSETH, for and in consideration of the premises and the purchases of the Securities by the Holders thereof, it is
mutually agreed, for the benefit of the Company and the equal and proportionate benefit of all Holders of the Securities, as follows: 
 ARTICLE 1 
 DEFINITIONS AND OTHER PROVISIONS OF
GENERAL APPLICATION 
 Section 1.01. Definitions. For all purposes of this Indenture, except as
otherwise expressly provided or unless the context otherwise requires: 
 (i) the terms defined in this Article 1 have the
meanings assigned to them in this Article and include the plural as well as the singular; 
 (ii) all other terms used herein
that are defined in the Trust Indenture Act, either directly or by reference therein, have the meanings assigned to them therein; 
 (iii) all accounting terms not otherwise defined herein have the meanings assigned to them in accordance with GAAP; and 

 (iv) the words “herein,” “hereof’ and “hereunder” and other
words of similar import refer to this Indenture as a whole and not to any particular Article, Section or other subdivision. 
 “2.50%
Convertible Notes” means any of the Company’s 2.50% Convertible Senior Subordinated Notes due 2014. 
 “2 7/8% Convertible Notes” means
any of the Company’s 2 7/8% Convertible Senior Subordinated Notes due 2016. 
 “16% Convertible Notes” means any of the Company’s 16% Convertible Senior Subordinated Notes due 2016. 
 “Act,” when used with respect to any Holder, has the meaning specified in Section 1.04. 
 “Additional Interest” shall mean Additional Interest as defined in the Registration Rights Agreement. 
 “Additional Securities” shall mean additional Securities issued from time to time under this Indenture in accordance with
Section 2.01 hereof. 
 “Additional Shares” has the meaning specified in Section 6.06(a). 
 “Affiliate” of any specified Person means any other Person directly or indirectly controlling or controlled by or under direct or
indirect common control with such specified Person. For the purposes of this definition, “control” when used with respect to any specified Person means the power to direct 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. 
 “Agent Members” has the meaning specified in Section 3.09(a). 
 “Bid Solicitation Agent” means the Trustee or an independent nationally recognized securities dealer selected by the Company to solicit
market bid quotations for the Securities, which shall in no event be an Affiliate of the Company. The Bid Solicitation Agent shall initially be the Trustee. 
 “Board of Directors” means, with respect to any Person, either the board of directors of such Person or any duly authorized committee of that board. 
 “Board Resolution” means, with respect to any Person, a copy of a resolution certified by the Secretary or an Assistant Secretary of
such Person to have been duly adopted by the Board of Directors and to be in full force and effect on the date of such certification, and delivered to the Trustee. 
  

 2 

 “Business Day” means, with respect to any Security, any day other than a Saturday, a
Sunday or a day on which the Federal Reserve Bank of New York or place of payment is closed. 
 “Capital Stock” means any
and all shares, interests, participations, rights or other equivalents (however designated) of corporate stock and limited liability company interests and, with respect to partnerships, partnership interests (whether general or limited) and 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, such partnership. 
 “Code” means the Internal Revenue Code of 1986, as amended. 
 “Commission”
means the U.S. Securities and Exchange Commission, as from time to time constituted, created under the Exchange Act, or, if at any time after the execution of this instrument such Commission is not existing and performing the duties now assigned to
it under the Trust Indenture Act, then the body performing such duties at such time. 
 “Common Stock” means the shares of
common stock, par value $0.001 per share, of the Company as they exist on the date of this Indenture or any other shares of Capital Stock of the Company into which the Common Stock shall be reclassified or changed or, in the event of a merger,
consolidation or other similar transaction involving the Company that is otherwise permitted hereunder in which the Company is not the surviving corporation, the common stock, common equity interests, ordinary shares or depositary shares or other
certificates representing common equity interests of such surviving corporation or its direct or indirect parent corporation. 
 “Company” means the Person named as the “Company” in the first paragraph of this instrument until a successor Person shall have become such pursuant to the applicable provisions of this Indenture, and thereafter
“Company” shall mean such successor Person. 
 “Company Request” or “Company Order” means a
written request or order signed in the name of the Company by its Chief Executive Officer or its President and by its Chief Financial Officer, its Treasurer or its Secretary, and delivered to the Trustee. 
 “Conversion Agent” means the Trustee or such other office or agency designated by the Company where Securities may be presented for
conversion. 
 “Conversion Date” has the meaning specified in Section 6.02(b). 
 “Conversion Notice” shall have the meaning specified in Section 6.02(b). 
  

 3 

 “Conversion Price” means, in respect of each Security, as of any date $1,000 divided by
the Conversion Rate as of such date. 
 “Conversion Rate” has the meaning specified in Section 2.03. 
 “Corporate Trust Office” means the office of the Trustee at which the corporate trust business of the Trustee shall, at any particular
time, be administered, which office is, at the date as of which this Indenture is dated, located at 625 Marquette Avenue South, MAC N9311-110, Minneapolis, MN 55479, Attn: Corporate Trust Services re: Headwaters Incorporated, 14.75% Convertible
Senior Subordinated Notes due 2014). 
 “Corporation” means a corporation, association, company, joint-stock company or
business trust. 
 “Custodian” means the Trustee, as custodian with respect to the Securities in global form, or any
successor entity. 
 “Daily Conversion Value” means, for each of the 20 consecutive Trading Days during the Observation
Period, one-twentieth of the product of (i) the applicable Conversion Rate on such Trading Day and (ii) the Daily VWAP of Common Stock for such Trading Day. 
 “Daily Settlement Amount” has the meaning specified in Section 6.03(b). 
 “Daily VWAP” means, for each of the 20 consecutive Trading Days during the Observation Period, the per share volume-weighted average price as displayed under the heading “Bloomberg VWAP” on Bloomberg page
“HW.N <equity> AQR” (or its equivalent successor if such page is not available) in respect of the period from the scheduled open of trading until the scheduled close of trading of the primary trading session on such Trading Day (or
if such volume-weighted average price is unavailable, the market value of one share of Common Stock on such Trading Day determined, using a volume-weighted average method, by a nationally recognized independent investment banking firm retained for
such purpose by the Company). 
 “Default” means any event that is or with the passage of time or the giving of notice or
both would become an Event of Default. 
 “Depositary” means The Depository Trust Company until a successor Depositary shall
have become such pursuant to the applicable provisions of this Indenture, and thereafter “Depositary” shall mean such successor Depositary. 
  

 4 

 “Designated Senior Indebtedness” means the Indebtedness under the Senior Credit
Agreement and any other Senior Indebtedness in which the instrument creating or evidencing the Indebtedness, or any related agreements or documents to which the Company is a party, expressly provides that such indebtedness is “designated senior
indebtedness” for purposes of this Indenture (provided that the instrument, agreement or other document may place limitations and conditions on the right of the Senior Indebtedness to exercise the rights of Designated Senior Indebtedness).

 “Effective Date” has the meaning specified in Section 6.06(b). 
 “Event of Default” has the meaning specified in Section 7.01. 
 “Ex-Date” means, except as provided in Section 6.04(g) hereof, with respect to any dividend, the first date upon which a sale of
Common Stock does not automatically transfer the right to receive the relevant dividend from the seller of the Common Stock to its buyer. 
 “Exchange Act” means the U.S. Securities Exchange Act of 1934, as amended. 
 “Fair Market Value”
means the amount which a willing buyer would pay a willing seller in an arm’s length transaction. 
 “Fundamental
Change” means the occurrence of any of the following events at any time after the Securities are originally issued: 
 (1) a
“person” or “group” within the meaning of Section 13(d) of the Exchange Act other than the Company, its Subsidiaries or the Company’s or its Subisidiaries employee benefit plans, files a Schedule TO or any schedule,
form or report under the Exchange Act disclosing that such person or group has become the direct or indirect “beneficial owner,” as defined in Rule 13d-3 under the Exchange Act, of the Company’s common equity representing more than
50% of the voting power of the Company’s common equity; 
 (2) consummation of any share exchange, consolidation or merger of the
Company (excluding a merger solely for the purpose of changing the Company’s jurisdiction of incorporation) pursuant to which the Common Stock will be converted into cash, securities or other property or any sale, lease or other transfer in one
transaction or a series of transactions of all or substantially all of the consolidated assets of the Company and its Subsidiaries, taken as a whole, to any Person other than one of the Subsidiaries; provided, however, that a
transaction where the holders of more than 50% of all classes of the Company’s common equity immediately prior to such transaction own, directly or indirectly, more than 50% of all classes of common equity of the continuing or surviving
corporation or transferee or the parent thereof immediately after such event shall not be a Fundamental Change; 
  

 5 

 (3) the Company’s stockholders approve any plan or proposal for the liquidation or dissolution of
the Company; or 
 (4) the Common Stock, or other common stock into which the Securities are then convertible, ceases to be listed on a
national securities exchange. 
 A Fundamental Change will not be deemed to have occurred, however, if at least 90% of the consideration
received or to be received by holders of the Common Stock, excluding cash payments for fractional shares, in connection with the transaction or transactions constituting the Fundamental Change consists of Publicly Traded Securities and, as a result
of such transaction or transactions, the Securities become convertible into such Publicly Traded Securities, excluding cash payments for fractional shares. 
 “Fundamental Change Company Notice” has the meaning specified in Section 5.01(b). 
 “Fundamental Change Purchase Date” has the meaning specified in Section 5.01(a). 
 “Fundamental
Change Purchase Notice” has the meaning specified in Section 5.01(a). 
 “Fundamental Change Purchase Price”
has the meaning specified in Section 5.01(a). 
 “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, in each case, as in effect in the United States from time to time. 
 “Global Security” means a Security in global form registered in the Security Register in the name of a Depositary or a nominee thereof. 
 “Holder” or “Securityholder” means a Person in whose name a Security is registered in the Security Register. 
 “Indebtedness” means: 
 (i) all of the Company’s indebtedness, obligations and other liabilities, contingent or otherwise, (A) for borrowed money, including overdrafts, foreign exchange contracts, currency exchange agreements,

  

 6 

 
interest rate protection agreements and any loans or advances from banks, whether or not evidenced by notes or similar instruments, or (B) evidenced by
credit or loan agreements, bonds, debentures, notes or similar instruments, whether or not the recourse of the lender is to the whole of the assets of the Company or to only a portion thereof, other than any account payable or other accrued current
liability or obligation incurred in the ordinary course of business in connection with the obtaining of materials or services; 
 (ii) all of the Company’s reimbursement obligations and other liabilities, contingent or otherwise, with respect to letters of credit, bank guarantees or bankers’ acceptances; 
 (iii) all of the Company’s obligations and liabilities, contingent or otherwise, in respect of leases required, in conformity with
GAAP, to be accounted for as capitalized lease obligations on the Company’s balance sheet; 
 (iv) all of the
Company’s obligations and other liabilities, contingent or otherwise, under any lease or related document, including a purchase agreement, conditional sale or other title retention agreement, in connection with the lease of real property or
improvements thereon (or any personal property included as part of any such lease) which provides that the Company is contractually obligated to purchase or cause a third party to purchase the leased property or pay an agreed upon residual value of
the leased property, including the Company’s obligations under such lease or related document to purchase or cause a third party to purchase such leased property or pay an greed upon residual value of the leased property to the lessor;

 (v) all of the Company’s obligations, contingent or otherwise, with respect to an interest rate or other swap, cap,
floor or collar agreement or hedge agreement, forward contract or other similar instrument or agreement or foreign currency hedge, exchange, purchase or similar instrument or agreement; 
 (vi) all of the Company’s direct or indirect guarantees or similar agreements by the Company in respect of, and all of the
Company’s obligations or liabilities to purchase or otherwise acquire or otherwise assure a creditor against loss in respect of, indebtedness, obligations or liabilities of another person of the kinds described in clauses (i) through
(v) above; and 
 (vii) any and all deferrals, renewals, extensions, refinancings and refundings of, or amendments,
modifications or supplements to, any indebtedness, obligation or liability of the kinds described in clauses (i) through (vi) above. 
  

 7 

 “Indenture” means this instrument as originally executed or as it may from time to time
be supplemented or amended by one or more indentures supplemental hereto entered into pursuant to the applicable provisions hereof, including, for all purposes of this instrument and any such supplemental indenture, the provisions of the Trust
Indenture Act that are deemed to be a part of and govern this instrument and any such supplemental indenture, respectively. 
 “Initial Holders” means each of parties that have executed the Company’s form of Exchange Agreement dated as of March 30, 2009. 
 “Initial Securities” means the $3,850,000 aggregate principal amount of Securities issued under this Indenture on the Issue Date. 
 “Interest Payment Date” means each February 1 and August 1 of each year, beginning August 1, 2009. 
 “Issue Date” means the date the Securities are originally issued as set forth on the face of the Security under this Indenture.

 “Last Reported Sale Price” means, on any date, the closing sale price per share of the Common Stock (or, if no closing
sale price is reported, the average of the bid and ask prices or, if more than one in either case, the average of the average bid and the average ask prices) on such date as reported in composite transactions for the principal U.S. national or
regional securities exchange on which the Common Stock is traded. If the Common Stock is not listed for trading on a U.S. national or regional securities exchange on the relevant date, the “Last Reported Sale Price” shall mean the last
quoted bid price for the Common Stock on the OTC Bulletin Board, or if not so reported, by Pink Sheets LLC or a successor organization. If the Common Stock is not so quoted, the “Last Reported Sale Price” shall mean the average of the
mid-point of the last bid and ask prices for the Common Stock on such date from each of at least three nationally recognized independent investment banking firms selected by the Company for such purpose. 
 “Market Disruption Event” means (i) a failure by the primary U.S. national securities exchange or market on which the Common Stock
is listed or admitted to trading to open for trading during its regular trading session or (ii) the occurrence or existence prior to 1:00 p.m. on any Scheduled Trading Day for the Common Stock for an aggregate one half hour period of any
suspension or limitation imposed on trading (by reason of movements in price exceeding limits permitted by the stock exchange or otherwise) in the Common Stock or in any options, contracts or future contracts relating to the Common Stock.

  

 8 

 “Maturity,” when used with respect to any Security, means the date on which the
principal or Fundamental Change Purchase Price of such Security becomes due and payable as therein or herein provided, whether at Stated Maturity or Fundamental Change Purchase Date, by declaration of acceleration or otherwise. 
 “Measurement Period” has the meaning specified in Section 6.01(a). 
 “Notice of Default” has the meaning specified in Section 7.01. 
 “Observation Period” with respect to any Security tendered for conversion means: (i) if the related Conversion Date is on or after
December 1, 2013 (whether or not such date is a Business Day), the 20 consecutive Trading Days beginning on, and including, the 22nd Scheduled Trading Day prior to Stated Maturity; and (ii) in all other instances, the 20 consecutive
Trading Days beginning on, and including, the second Scheduled Trading Day following the related Conversion Date. 
 “Officers’
Certificate” means a certificate signed by the Chief Executive Officer, the President or the Chief Financial Officer, and by the Treasurer or the Secretary, of the Company, and delivered to the Trustee. One of the officers signing an
Officers’ Certificate given pursuant to Section 4.09 shall be the principal executive, financial or accounting officer of the Company. 
 “Opinion of Counsel” means a written opinion of counsel who may be external or in-house counsel for the Company, reasonably acceptable to the Trustee. 
 “Outstanding,” when used with respect to Securities, means, as of the date of determination, all Securities theretofore authenticated
and delivered under this Indenture, except: 
 (i) Securities theretofore cancelled by the Trustee or accepted by the Trustee
for cancellation; 
 (ii) Securities, or portions thereof, for the payment of which or purchase money in the necessary amount
has been theretofore deposited with the Trustee or any Paying Agent (other than the Company) in trust or set aside and segregated in trust by the Company (if the Company shall act as its own Paying Agent) for the Holders of such Securities;
provided that if such Securities are to be purchased prior to the maturity thereof, notice of such purchase shall have been given to the Holders as herein provided, or provision satisfactory to a Responsible Officer of the Trustee shall have
been made for giving such notice; 
  

 9 

 (iii) Securities that have been paid or in exchange for or in lieu of which other
Securities have been authenticated and delivered pursuant to this Indenture; and 
 (iv) Securities converted pursuant to
Article 6; 
 provided, however, that, in determining whether the Holders of the requisite Principal Amount of the Outstanding Securities have given
any request, demand, authorization, direction, notice, consent or waiver hereunder, Securities owned by the Company or any other obligor upon the Securities or any Affiliate of the Company or of such other obligor shall be disregarded and deemed not
to be Outstanding, except that, in determining whether the Trustee shall be protected in relying upon any such request, demand, authorization, direction, notice, consent or waiver, only Securities which a Responsible Officer of the Trustee actually
knows to be so owned shall be so disregarded. Notwithstanding the foregoing, Securities that have been pledged in good faith may be regarded as Outstanding if the pledgee establishes to the satisfaction of the Trustee the pledgee’s right so to
act with respect to such Securities and that the pledgee is not the Company or any other obligor of the Securities or any Affiliate of the Company or of such other obligor. 
 “Paying Agent” means any Person (including the Company) authorized by the Company to pay the Principal Amount of, interest on, including
Additional Interest, or Fundamental Change Purchase Price of, any Securities on behalf of the Company. The Trustee shall be the initial Paying Agent. 
 “Person” means any individual, corporation, partnership, limited liability company, joint venture, trust, unincorporated organization or government or any agency or political subdivision thereof.

 “Physical Securities” means permanent certificated Securities in registered form issued in denominations of $1,000
Principal Amount and multiples thereof. 
 “Principal Amount” of a Security means the Principal Amount as set forth on the
face of the Security. 
 “Publicly Traded Securities” means, in respect of a transaction set forth in the definition of
Fundamental Change, shares of common stock that are traded on a U.S. national securities exchange or which will be so traded or quoted when issued or exchanged in connection with such Fundamental Change. 
 “Qualified Institutional Buyer” or “QIB” shall have the meaning specified in Rule 144A. 
  

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 “Record Date” means, with respect to the payment of interest on the Securities,
including Additional Interest, if any, the January 15 (whether or not a Business Day) immediately preceding an Interest Payment Date on February 1 and July 15 (whether or not a Business Day) immediately preceding an Interest Payment
Date on August 1. 
 “Reference Property” has the meaning specified in Section 6.07. 
 “Registration Rights Agreement” means the Registration Rights Agreement, dated as of March 30, 2009, between the Company and the
Initial Holders, or any similar form of agreement between the Company and any Holder of Additional Securities, for the benefit of Company and the Holders, as the same may be amended or modified from time to time in accordance with the terms thereof.

 “Representative” means the (a) indenture trustee or other trustee, agent or representative for any Senior
Indebtedness (including, without limitation, any agent under the Senior Credit Agreement) or (b) with respect to any Senior Indebtedness that does not have any such trustee, agent or other representative, (i) in the case of such Senior
Indebtedness issued pursuant to an agreement providing for voting arrangements as among the holders or owners of such Senior Indebtedness, any holder or owner of such Senior Indebtedness acting with the consent of the required persons necessary to
bind such holders or owners of such Senior Indebtedness and (ii) in the case of all other such Senior Indebtedness, the holder or owner of such Senior Indebtedness. 
 “Resale Registration Statement” means a registration statement under the Securities Act registering the Securities for resale pursuant to the terms of the Registration Rights Agreement. 
 “Responsible Officer” means any officer or authorized representative of the Trustee within the Corporate Trust Office of the Trustee
with direct responsibility for the administration of this Indenture and also, with respect to a particular matter, any other officer of the Trustee to whom such matter is referred because of such officer’s knowledge and familiarity with the
particular subject. 
 “Restricted Global Security” means a Global Security representing Restricted Securities. 

“Restricted Security” or “Restricted Securities” has the meaning specified in Section 2.05. 
 “Rule 144” means Rule 144 under the Securities Act (including any successor rule thereto), as the same may be amended from time to time.

  

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 “Rule 144A” means Rule 144A under the Securities Act (including any successor rule
thereto), as the same may be amended from time to time. 
 “Rule 144A Information” has the meaning specified in
Section 2.03. 
 “Scheduled Trading Day” means a day that is scheduled to be a Trading Day. 
 “Securities Act” means the U.S. Securities Act of 1933, as amended, and the rules and regulations of the Commission promulgated
thereunder. 
 “Security” or “Securities” has the meaning specified in the first paragraph of the Recitals
of the Company. For purposes of clarification, the term “Securities” shall mean the Initial Securities and any Additional Securities that may be issued under a supplemental indenture. 
 “Security Register” and “Security Registrar” have the respective meanings specified in Section 3.06. 

“Senior Credit Agreement” means that certain Credit Agreement dated as of September 8, 2004 (as amended and modified pursuant to
consents dated November 6, 2004 and December 16, 2004, Amendment No. 2 to the Credit Agreement dated March 14, 2005, Amendment No. 3 to the Credit Agreement dated May 19, 2005, Amendment No. 4 to the Credit
Agreement dated October 26, 2005, Amendment No. 5 to the Credit Agreement dated June 27, 2006, Amendment No. 6 to the Credit Agreement dated August 30, 2006, Amendment No. 7 to the Credit Agreement dated
January 12, 2007 and Amendment No. 8 to the Credit Agreement dated August 15, 2008, among Headwaters Incorporated, the lenders party thereto, Morgan Stanley & Co. Incorporated, as collateral agent, and Morgan Stanley Senior
Funding, Inc., as administrative agent, and as further amended, modified, supplemented, restated, refinanced or replaced from time to time, and the Loan Documents (as defined therein), as amended, modified, supplemented, restated, refinanced or
replaced from time to time. 
 “Senior Indebtedness” means the principal of, and premium, if any, interest, including any
interest accruing after the commencement of any bankruptcy or similar proceeding, whether or not a claim for post-petition interest is allowed as a claim in the proceeding, and rent payable on or in connection with, and all fees, costs, expenses and
other amounts accrued or due on or in connection with, Indebtedness, whether secured or unsecured, absolute or contingent, due or to become due, outstanding on the date of this Indenture or thereafter created, incurred, assumed, guaranteed or in
effect guaranteed by the Company, including all deferrals, renewals, extensions or refundings of, or amendments, modifications or supplements to, the foregoing; provided, however, that Senior Indebtedness does not include: 

(i) Indebtedness that expressly provides that such Indebtedness (a) shall
not be senior in right of payment to the Securities, (b) shall be equal or junior in right of payment to the Securities, including the 2 7/8% Convertible Notes, the 2.50% Convertible Notes and the 16% Convertible Notes, or (c) shall be junior in right of payment to any other Indebtedness; 
  

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 (ii) any Indebtedness to any majority-owned Subsidiaries, other than Indebtedness to the
Subsidiaries arising by reason of guarantees by the Company of Indebtedness of such Subsidiary to a Person that is not a Subsidiary; and 
 (iii) Indebtedness for trade payables or the deferred purchase price of assets or services incurred in the ordinary course of business. 
 “Senior Subordinated Indebtedness” means, with respect to the Company, the Securities and any other Indebtedness that specifically provides that such Indebtedness is to have the same rank as the
Securities in right of payment and is not subordinated by its terms in right of payment to any Indebtedness or other obligations of the Company that is not Senior Indebtedness. 
 “Settlement Amount” has the meaning specified in Section 6.03(a). 
 “Significant Subsidiary” means, as of any date of determination, a Subsidiary of the Company that would constitute a
“significant subsidiary” as such term is defined under Rule 1-02(w) of Regulation S-X of the Commission as in effect on the date of this Indenture. 
 “Spin-Off” has the meaning specified in Section 6.04(c). 
 “Stated
Maturity,” when used with respect to any Security, means the date specified in such Security as the fixed date on which an amount equal to the Principal Amount of such Security together with accrued and unpaid interest, if any, is due and
payable. 
 “Stock Price” has the meaning specified in Section 6.06(b). 
 “Stock Transfer Agent” means American Stock Transfer & Trust Company or such other Person as may be designated by the Company
as the transfer agent for the Common Stock. 
 “Subordinated Indebtedness” means, with respect to the Company, any
Indebtedness that specifically provides that such Indebtedness is subordinated to the Securities. 
  

 13 

 “Subsidiary” means a corporation more than 50% of the outstanding voting stock of which
is owned, directly or indirectly, by the Company or by one or more other Subsidiaries, or by the Company and one or more other Subsidiaries. For the purposes of this definition, “voting stock” means stock which ordinarily has voting power
for the election of directors, whether at all times or only so long as no senior class of stock has such voting power by reason of any contingency. 
 “Successor Company” has the meaning specified in Section 8.01(a). 
 “Trading Day” means,
except as provided in Section 6.03(g) hereof, a day on which (i) trading in securities generally occurs on the New York Stock Exchange or, if the Common Stock is not then 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 then listed on a U.S. national or regional securities exchange, in the principal other market on which the Common Stock is then traded
and (ii) a Last Reported Sale Price for the Common Stock is available on such securities exchange or market. If the Common Stock (or other security for which a closing sale price must be determined) is not so listed or quoted, “Trading
Day” means a Business Day. 
 “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 the Securities obtained by the Bid Solicitation Agent for $5,000,000 Principal Amount of the Securities at approximately 3:30 p.m., New York City time, on such determination date from
three independent nationally recognized securities dealers selected by the Company; provided that, if three such bids cannot reasonably be obtained by the Bid Solicitation Agent but two such bids are obtained, then the average of the two bids
shall be used, and if only one such bid can reasonably be obtained by the Bid Solicitation Agent, that one bid shall be used. If the Bid Solicitation Agent cannot reasonably obtain at least one bid for $5,000,000 Principal Amount of the Securities
from a nationally recognized securities dealer, then the Trading Price per $1,000 original principal amount of Securities will be deemed to be less than 98% of the product of the Last Reported Sale Price of the Common Stock and the applicable
Conversion Rate. 
 “Transfer Restricted Security” means a Security required to bear the restricted legend set forth in the
form of Security in Section 2.02. 
 “Trigger Event” has the meaning specified in Section 6.04(b). 
 “Trust Indenture Act” means the Trust Indenture Act of 1939 as in effect on the date as of which this Indenture was executed;
provided, however, that in the event the Trust Indenture Act of 1939 is amended after such date, “Trust Indenture Act” means, to the extent required by any such amendment, the Trust Indenture Act of 1939 as so amended. 

 

 14 

 “Trustee” means the Person named as the “Trustee” in the first
paragraph of this instrument until a successor Trustee shall have become such pursuant to the applicable provisions of this Indenture, and thereafter “Trustee” shall mean such successor Trustee. 
 “U.S.” means the United States of America. 
 “Vice President,” when used with respect to the Company or the Trustee, means any vice president, whether or not designated by a number or a word or words added before or after the title “vice
president.” 
 Section 1.02. Compliance Certificates and Opinions. Upon any application or request by the Company to the Trustee
to take any action under any provision of this Indenture, the Company shall furnish to the Trustee such certificates and opinions as may be required under the Trust Indenture Act. Each such certificate or opinion shall be given in the form of an
Officers’ Certificate, if to be given by an officer of the Company, or an Opinion of Counsel, if to be given by counsel, and shall comply with the requirements of the Trust Indenture Act and any other requirement set forth in this Indenture.

 Every certificate or opinion with respect to compliance with a condition or covenant provided for in this Indenture shall include:

 (a) a statement that each individual signing such certificate or opinion has read such covenant or condition and the definitions herein
relating thereto; 
 (b) a brief statement as to the nature and scope of the examination or investigation upon which the statements or
opinions contained in such certificate or opinion are based; 
 (c) a statement that, in the opinion of each such individual, such individual
has made such examination or investigation as is necessary to enable such individual to express an informed opinion as to whether or not such covenant or condition has been complied with; and 
 (d) a statement as to whether, in the opinion of each such individual, such condition or covenant has been complied with. 
 Section 1.03. Form of Documents Delivered to Trustee. In any case where several matters are required to be certified by, or covered by an opinion
of, any specified Person, it is not necessary that all such matters be certified by, or covered by the opinion of, only one such Person, or that they be so certified or covered by only one document, but one such Person may certify or give an opinion
with respect to some matters and one or more other such Persons as to other matters, and any such Person may certify or give an opinion as to such matters in one or several documents. 
  

 15 

 Any certificate or opinion of an officer of the Company may be based, insofar as it relates to legal
matters, upon a certificate or opinion of, or representations by, counsel, unless such officer knows that the certificate or opinion or representations with respect to the matters upon which his certificate or opinion is based are erroneous. Any
such certificate or Opinion of Counsel may be based, insofar as it relates to factual matters, upon a certificate or opinion of, or representations by, an officer or officers of the Company stating that the information with respect to such factual
matters is in the possession of the Company, unless such counsel knows that the certificate or opinion or representations with respect to such matters are erroneous. 
 Where any Person is required to make, give or execute two or more applications, requests, consents, certificates, statements, opinions or other instruments under this Indenture, they may, but need not, be consolidated
and form one instrument. 
 Section 1.04. Acts of Holders; Record Dates. 
 (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 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. Such instrument or instruments (and the action embodied therein and evidenced thereby) are herein sometimes referred to as an
“Act” of the 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 (subject to
Section 10.01) 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 him the execution thereof. Where such execution is by a signer acting in a capacity other than his individual capacity, such certificate or affidavit shall also
constitute sufficient proof of his 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 which the Trustee reasonably deems
sufficient. 
  

 16 

 (c) The Company may, in the circumstances permitted by the Trust Indenture Act, fix any day as the record
date for the purpose of determining the Holders entitled to give or take any request, demand, authorization, direction, notice, consent, waiver or other action, or to vote on any action, authorized or permitted to be given or taken by Holders. The
Company may fix a record date for the purpose of determining the Persons who are beneficial owners of interests in any Global Security held by the Depositary entitled under the procedures of such Depositary to make, give or take, by a proxy or
proxies duly appointed in writing, any request, demand, authorization, direction, notice, consent, waiver or other action provided in this Indenture to be made, given or taken by Holders. If such a record date is fixed, the Holders on such record
date or their duly appointed proxy or proxies, and only such Persons, shall be entitled to make, give or take such request, demand, authorization, direction, notice, consent, waiver or other action, whether or not such Holders remain Holders after
such record date. No such request, demand, authorization, direction, notice, consent, waiver or other action shall be valid or effective if made, given or taken more than 90 days after such record date. With regard to any record date, only the
Holders on such date (or their duly designated proxies) shall be entitled to give or take, or vote on, the relevant action. 
 (d) The
ownership of Securities shall be proved by the Security Register. 
 (e) Any request, demand, authorization, direction, notice, consent,
waiver or other Act of the Holder of any Security shall bind every future Holder of the same Security and the Holder of every Security issued upon the registration of transfer thereof or in exchange therefor or in lieu thereof in respect of anything
done, omitted or suffered to be done by the Trustee or the Company in reliance thereon, whether or not notation of such action is made upon such Security. 
 Section 1.05. Notices, Etc., to Trustee and Company. Any request, demand, authorization, direction, notice, consent, waiver or Act of Holders or other document provided or permitted by this Indenture to be made
upon, given or furnished to, or filed with: 
 (i) the Trustee by any Holder or by the Company shall be sufficient for every
purpose hereunder if made, given, furnished or filed in writing to or with the Trustee at its applicable Corporate Trust Office; or 
 (ii) the Company by the Trustee or by any Holder shall be sufficient for every purpose hereunder (unless otherwise herein expressly provided) if in writing and mailed, first-class postage prepaid, to the Company addressed to it at the
address of its principal office specified in the first paragraph of this instrument or at any other address previously furnished in writing to the Trustee by the Company, Attention: General Counsel. 
  

 17 

 Section 1.06. Notice to Holders; Waiver. Where this Indenture provides for notice to Holders of
any event, such notice shall be sufficiently given (unless otherwise herein expressly provided) if in writing and mailed, first-class postage prepaid, to each Holder affected by such event, at such Holder’s address as it appears in the Security
Register, not later than the latest date (if any), and not earlier than the earliest date (if any), prescribed for the giving of such notice. In any case where notice to Holders is given by mail, neither the failure to mail such notice, nor any
defect in any notice so mailed, to any particular Holder shall affect the sufficiency of such notice with respect to other Holders. Where this Indenture provides for notice in any manner, such notice may be waived in writing by the Person entitled
to receive such notice, either before or after the event, and such waiver shall be the equivalent of such notice. Waivers of notice by Holders shall be filed with the Trustee, but such filing shall not be a condition precedent to the validity of any
action taken in reliance upon such waiver. 
 In case by reason of the suspension of regular mail service or by reason of any other cause it
shall be impracticable to give such notice by mail, then such notification as shall be made with the approval of the Trustee shall constitute a sufficient notification for every purpose hereunder. 
 Whenever under this Indenture the Trustee is required to provide any notice by mail, in all cases the Trustee may alternatively provide notice by
overnight courier, electronic transmission or by telefacsimile, with confirmation of transmission. 
 Section 1.07. Conflict with Trust
Indenture Act. If any provision hereof limits, qualifies or conflicts with a provision of the Trust Indenture Act that is required hereunder to be a part of and govern this Indenture, the latter provision shall control. If any provision of this
Indenture modifies or excludes any provision of the Trust Indenture Act that may be so modified or excluded, the latter provision shall be deemed to apply to this Indenture as so modified or to be excluded, as the case may be. 
 Section 1.08. 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, and all Article and Section references are to Articles and Sections, respectively, of this Indenture unless otherwise expressly stated. 
 Section 1.09. Severability 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. 
  

 18 

 Section 1.10. Benefits of Indenture. Nothing in this Indenture or in the Securities, express or
implied, shall give to any Person, other than the parties hereto and their respective successors hereunder and the Holders of Securities, any benefit or any legal or equitable right, remedy or claim under this Indenture. 
 Section 1.11. Governing Law. This Indenture and the Securities shall be governed by and construed in accordance with the laws of the State of New
York. 
 Section 1.12. No Recourse Against Others. No director, officer, employee, stockholder or Affiliate of the Company from time
to time shall have any liability for any obligations of the Company under the Securities or this Indenture. Each Holder by accepting a Security waives and releases such liability. 
 ARTICLE 2 
 SECURITY FORMS 
 Section 2.01. Forms Generally. The Securities and the Trustee’s certificates of authentication shall be in substantially the forms set forth
in this Article, with such appropriate insertions, omissions, substitutions and other variations as are required or permitted by this Indenture, and may have such letters, numbers or other marks of identification and such legends or endorsements
placed thereon as may be required to comply with the rules of any securities exchange or Depositary therefor, the Code and regulations thereunder, or as may, consistently herewith, be determined by the officers executing such Securities, as
evidenced by their execution thereof. 
 The Securities shall initially be issued in the form of permanent Global Securities in registered
form in substantially the form set forth in this Article. The aggregate Principal Amount of the Global Securities may from time to time be decreased by adjustments made on the records of the Trustee, as custodian for the Depositary, as hereinafter
provided. 
 Section 2.02. Form of Face of Security. (a) each Security shall bear the following legend if it is a Restricted
Security: THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT AS SET FORTH IN THE FOLLOWING SENTENCE. BY ITS
ACQUISITION HEREOF, THE HOLDER AGREES (1) THAT IT WILL NOT PRIOR TO THE EXPIRATION OF THE HOLDING PERIOD APPLICABLE TO SALES OF THIS SECURITY UNDER 

  

 19 

 
RULE 144(b)(1) ADOPTED UNDER THE SECURITIES ACT), RESELL OR OTHERWISE TRANSFER THE SECURITY EVIDENCED HEREBY OR THE COMMON STOCK ISSUABLE UPON CONVERSION OF
SUCH SECURITY, EXCEPT (A) TO THE ISSUER; (B) UNDER A REGISTRATION STATEMENT THAT HAS BEEN DECLARED EFFECTIVE UNDER THE SECURITIES ACT; (C) TO A PERSON THE SELLER REASONABLY BELIEVES IS A QUALIFIED INSTITUTIONAL BUYER (AS DEFINED IN
RULE 144A ADOPTED UNDER THE SECURITIES ACT) THAT IS PURCHASING FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF ANOTHER QUALIFIED INSTITUTIONAL BUYER AND TO WHOM NOTICE IS GIVEN THAT THE TRANSFER IS BEING MADE IN RELIANCE ON RULE 144A, ALL IN COMPLIANCE
WITH RULE 144A (IF AVAILABLE); OR (D) UNDER ANY OTHER AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT; AND (2) THAT IT WILL, PRIOR TO ANY TRANSFER OF THIS SECURITY PRIOR TO THE EXPIRATION OF THE HOLDING PERIOD
APPLICABLE TO SALES OF THIS SECURITY UNDER RULE 144(b)(1) ADOPTED UNDER THE SECURITIES ACT), FURNISH TO THE TRUSTEE AND THE ISSUER SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS MAY BE REQUIRED PURSUANT TO THE INDENTURE TO CONFIRM THAT
SUCH TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. 
 (b) Each Security that is a Global Security shall bear the following legend: THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A NOMINEE THEREOF.
THIS SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN SUCH DEPOSITARY OR A NOMINEE THEREOF, EXCEPT IN THE
LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE. 
 UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY
TRUST COMPANY (“DTC”), A NEW YORK CORPORATION, TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED
BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN 

  

 20 

 
AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL IN AS MUCH AS THE
REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 
 (c) The face of each Security shall be substantially in the
following form: 
 14.75% Convertible Senior Subordinated Notes due 2014 
  

					
	No.                 	  	CUSIP NO.	  	U.S.$                

 Headwaters Incorporated, a corporation duly organized and validly existing under the laws of the
State of Delaware (herein called the “Company”), which term includes any successor corporation under the Indenture referred to on the reverse hereof), for value received hereby promises to pay to
[        ], the principal sum of [                    ] United States Dollars
($[        ]) (which amount may from time to time be decreased by adjustments made on the records of the Trustee, as custodian for the Depositary, in accordance with the rules and procedures of the Depositary)
on February 1, 2014. Payment of the principal of this Security shall be made by check mailed to the address of the Holder of this Security specified in the register of Securities, or, at the option of the Company, by wire transfer in
immediately available funds, in such lawful money of the United States of America as at the time of payment shall be legal tender for the payment of public and private debts. 
 The issue date of this Security is March     , 2009. 
 Reference is made to the further provisions of this Security set forth on the reverse hereof, including, without limitation, provisions giving the Holder
the right to convert this Security and to require the Company to purchase this Security upon certain events, in each case, on the terms and subject to the limitations referred to on the reverse hereof and as more fully specified in the Indenture.
Such further provisions shall for all purposes have the same effect as though fully set forth at this place. Capitalized terms used but not defined herein shall have such meanings as are ascribed to such terms in the Indenture. 
 This Security shall be deemed to be a contract made under the laws of the State of New York, and for all purposes shall be construed in accordance with
and governed by the laws of said State. 
 This Security shall not be valid or become obligatory for any purpose until the certificate of
authentication hereon shall have been manually signed by the Trustee or a duly authorized authenticating agent under the Indenture. 
  

 21 

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

			
	HEADWATERS INCORPORATED
		
	By:	 	 
		 	Authorized Signatory

  

 22 

 Section 2.03. Form of Reverse of Security. The reverse of each Security shall be substantially in
the following form: 
 HEADWATERS INCORPORATED 
 14.75% Convertible Senior Subordinated Notes due 2014 
 This Security is one of a duly authorized
issue of Securities of the Company, designated as its 14.75% Convertible Senior Subordinated Notes due 2014 (the “Securities”), all issued or to be issued under and pursuant to an Indenture dated as of March 30, 2009 (the
“Indenture”), between the Company and Wells Fargo Bank, National Association (the “Trustee”), to which Indenture and all indentures supplemental thereto reference is hereby made for a description of the rights, limitations of
rights, obligations, duties and immunities thereunder of the Trustee, the Company and the Holders of the Securities. 
 Interest. The
Securities will bear interest at a rate of 14.75% per year until Maturity. Interest on the Securities will accrue from March     , 2009, or from the most recent date on which interest has been paid. Interest will be
payable semiannually in arrears on February 1 and August 1, beginning August 1, 2009, and at Maturity. 
 Interest will be
paid to the person in whose name a Security is registered at the close of business on the January 15 (whether or not a Business Day) or July 15 (whether or not a Business Day), as the case may be, immediately preceding the relevant
Interest Payment Date. Interest on the Securities will be computed on the basis of a 360-day year composed of twelve 30-day months. 
 Ranking. The Securities rank equally in right of payment with all the Company’s existing and future unsecured Senior Subordinated Indebtedness and are senior in right of payment to all of the Company’s existing and future
Subordinated Indebtedness, if any, as set forth in the Indenture. The Securities will rank junior to all existing and future Senior Indebtedness. 
 Redemption at the Option of the Company. The Company may not redeem any of the Securities at its option prior to maturity. 
 Purchase by the Company at the Option of the Holder Upon a Fundamental Change. Subject to the terms and conditions of the Indenture, the Company shall become obligated, at the option of the Holder, to purchase the Securities if a
Fundamental Change occurs at any time prior to Stated Maturity at 100% of the Principal Amount plus accrued and unpaid interest, including Additional Interest, if any, to, but excluding, the Fundamental Change Purchase Date, which amount will be
paid in cash. 
  

 23 

 Withdrawal of Fundamental Change Purchase Notice. Holders have the right to withdraw, in whole or
in part, 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. 
 Payment of Fundamental Change Purchase Price. If cash sufficient to pay the Fundamental Change Purchase Price of all Securities or portions
thereof to be purchased on a Fundamental Change Purchase Date is deposited with the Paying Agent on the Fundamental Change Purchase Date, such Securities will cease to be outstanding and interest will cease to accrue on such Securities (or portions
thereof) on 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). 
 Conversion. Subject to and in compliance with the provisions of the Indenture (including without limitation the conditions of conversion of this
Security set forth in Article 6 thereof), the Holder hereof has the right, at its option, to convert the Principal Amount hereof or any portion of such principal which is $1,000 or a multiple thereof, into, subject to Section 6.01 of the
Indenture, cash and shares of Common Stock, if any, at the Conversion Rate. The Conversion Rate is initially 48.4623 shares of Common Stock per $1,000 Principal Amount of Securities (equivalent to a conversion price of approximately $20.63), subject
to adjustment in certain events described in the Indenture. Upon conversion, the Company will pay cash and shares of Common Stock, if any, based on a Settlement Amount calculated on a proportionate basis for each day of the applicable Observation
Period, as set forth in the Indenture. No fractional shares will be issued upon any conversion, but an adjustment and payment in cash will be made, as provided in the Indenture, in respect of any fraction of a share which would otherwise be issuable
upon the surrender of any Securities for conversion. Securities in respect of which a Holder is exercising its right to require purchase on a Fundamental Change Purchase Date may be converted only if such Holder withdraws its election to exercise
such right in accordance with the terms of the Indenture. 
 In the event of a deposit or withdrawal of an interest in this Security,
including an exchange, transfer, purchase or conversion of this Security in part only, the Trustee, as custodian of the Depositary, shall make an adjustment on its records to reflect such deposit or withdrawal in accordance with the rules and
procedures of the Depositary. 
 Subject to certain limitations in the Indenture, at any time when the Company is not subject to
Section 13 or 15(d) of the United States Securities Exchange Act of 1934, as amended, upon the request of a Holder of a Restricted Security, the Company will promptly furnish or cause to be furnished Rule 144A Information (as defined below) to
such Holder of Restricted Securities, or to a 

  

 24 

 
prospective purchaser of any such security designated by any such Holder, to the extent required to permit compliance by any such Holder with Rule 144A under
the Securities Act. “Rule 144A Information” shall be such information as is specified pursuant to Rule 144A(d)(4) under the Securities Act (or any successor provision thereto). 
 If an Event of Default shall occur and be continuing, the Principal Amount plus interest, including Additional Interest, if any, through such date on all
the Securities may be declared due and payable in the manner and with the effect provided in the Indenture. 
 The Indenture permits, with
certain exceptions as therein provided, the amendment thereof and the modification of the rights and obligations of the Company and the rights of the Holders of the Securities under the Indenture at any time by the Company and the Trustee with the
consent of the Holders of not less than a majority in aggregate Principal Amount of the Outstanding Securities. The Indenture also contains provisions permitting the Holders of specified percentages in aggregate Principal Amount of the Outstanding
Securities, on behalf of the Holders of all the Securities, to waive compliance by the Company with certain provisions of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or waiver by the Holder of
any provision of or applicable to this Security shall be conclusive and binding upon such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange herefor or in lieu
hereof, whether or not notation of such consent or waiver is made upon this Security. 
 As provided in and subject to the provisions of the
Indenture, the Holder of this Security shall not have the right to institute any proceeding with respect to the Indenture or for the appointment of a receiver or trustee or for any other remedy thereunder, unless such Holder shall have previously
given the Trustee written notice of a continuing Event of Default with respect to the Securities, the Holders of not less than 25% in aggregate Principal Amount of the Outstanding Securities shall have made written request to the Trustee to
institute proceedings in respect of such Event of Default as Trustee and offered the Trustee reasonable indemnity satisfactory to it, the Trustee shall not have received from the Holders of a majority in Principal Amount of Outstanding Securities a
direction inconsistent with such request, and the Trustee shall have failed to institute any such proceeding, for 60 days after receipt of such notice, request and offer of indemnity. The foregoing shall not apply to any suit instituted by the
Holder of this Security for the enforcement of any payment of the Principal Amount or Fundamental Change Purchase Price hereof, or interest hereon, on or after the respective due dates expressed herein. 
  

 25 

 No reference herein to the Indenture and no provision of this Security or of the Indenture shall alter or
impair the obligation of the Company, which is absolute and unconditional, to pay the Principal Amount or Fundamental Change Purchase Price of, and interest, including Additional Interest, if any, on, this Security at the times, place and rate, and
in the coin or currency, herein prescribed. 
 As provided in the Indenture and subject to certain limitations (including transfer
restrictions) therein set forth, the transfer of this Security is registrable in the Security Register, upon surrender of this Security for registration of transfer at the office or agency of the Company in The City of New York, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the Company and the Security Registrar duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon one or more new Securities, of authorized
denominations and for the same aggregate Principal Amount, will be issued to the designated transferee or transferees. 
 The Securities are
issuable only in registered form in denominations of $1,000 and any multiple of $1,000 above that amount, as provided in the Indenture and subject to certain limitations therein set forth. Securities are exchangeable for a like aggregate Principal
Amount of Securities of a different authorized denomination, as requested by the Holder surrendering the same. 
 No service charge shall be
made for any such registration of transfer or exchange, but the Company and the Security Registrar may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. 
 Prior to due presentment of this Security for registration of transfer, the Company, the Trustee and the Security Registrar and any agent of the Company
or the Trustee may treat the Person in whose name this Security is registered as the owner hereof for all purposes, whether or not this Security be overdue, and neither the Company, the Trustee nor any such agent shall be affected by notice to the
contrary. 
 This Security shall be governed by and construed in accordance with the laws of the State of New York. 
 All terms used in this Security that are defined in the Indenture shall have the meanings assigned to them in the Indenture. 
  

 26 

 ASSIGNMENT FORM 
 If you want to assign this Security, fill in the form below and have your signature guaranteed: 
 I or we
assign and transfer this Security to: 
  
  
  
  
  
  
 (Print or type name, address and zip code and social security or
tax ID number of assignee) 
 and irrevocably appoint
                                         
            agent to transfer this Security on the books of the Company. The agent may substitute another to act for him. 
  

									
					
	Date:	 	 	 		 	Signed:	 	 

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

 27 

 In connection with any transfer of this Security occurring prior to the date which is the earlier of
(i) the date of the declaration by the Commission of the effectiveness of a registration statement under the Securities Act, as amended (the “Securities Act”), covering resales of this Security (which effectiveness shall not
have been suspended or terminated at the date of the transfer) and (ii) the second anniversary of the Issue Date set forth on the face of this Security, the undersigned confirms that it has not utilized any general solicitation or general
advertising in connection with the transfer and that this Security is being transferred: 
 [Check One] 
  

					
	(1)	  	 ̈	  	to the Company or a subsidiary thereof; or
			
	(2)	  	 ̈	  	to a “Qualified Institutional Buyer” pursuant to and in compliance with Rule 144A under the Securities Act; or
			
	(3)	  	 ̈	  	pursuant to the exemption from registration provided by Rule 144 under the Securities Act.

 Unless one of the above boxes is checked, the Trustee will refuse to register any of the Securities evidenced by
this certificate in the name of any Person other than the registered Holder thereof, provided that if box (3) is checked, the Company may require (and shall deliver to the Trustee and the Security Registrar), prior to registering any
such transfer of the Securities, in its sole discretion, such legal opinions, certifications and other information as the Company may reasonably request to confirm that such transfer is being made pursuant to an exemption from, or in a transaction
not subject to, the registration requirements of the Securities Act. 
 If none of the foregoing boxes is checked, the Trustee or Security
Registrar shall not be obligated to register this Security in the name of any Person other than the Holder hereof unless and until the conditions to any such transfer of registration set forth herein and in Section 3.10 of the Indenture shall
have been satisfied. 
  

									
					
	Date:	 	 	 		 	Signed:	 	 

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

 28 

 TO BE COMPLETED BY PURCHASER IF (2) ABOVE IS CHECKED 
 The undersigned represents and warrants that it is purchasing this Security for its own account or an account with respect to which it exercises sole
investment discretion and that it and any such account is a “qualified institutional buyer” within the meaning of Rule 144A under the Securities Act and is aware that the sale to it is being made in reliance on Rule 144A and
acknowledges that it has received such information regarding the Company as the undersigned has requested pursuant to Rule 144A or has determined not to request such information and that it is aware that the transferor is relying upon the
undersigned’s foregoing representations in order to claim the exemption from registration provided by Rule 144A. 
  

									
					
	Date:	 	 	 		 	Signed:	 	 

 NOTICE: To be executed by an executive officer. 
  

 29 

 CONVERSION NOTICE 
 If you want 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 a multiple of $1,000): 
 $                                       
          
 If you want the stock certificate, if any, made out in another person’s
name, fill in the form below: 
  
  
 (Insert other person’s social security or tax ID no.) 
  
  
  
  
  
  
 (Print or type other person’s name, address
and zip code) 
  

									
					
	Date:	 	 	 		 	Signed:	 	 

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

 30 

 Section 2.04. Form of Trustee’s Certificate of Authentication. This is one of the Securities
referred to in the within-mentioned Indenture. 
  

									
	Dated:	 	 	 		 	Wells Fargo Bank, National Association, as Trustee
					
		 		 		 	By	 	 
		 		 		 		 	Authorized Signatory

 Section 2.05. Legend on Restricted Securities. Prior to the expiration of the holding
period applicable to sales thereof under Rule 144(b)(1) under the Securities Act (or any successor provision), any Security, including any Security issued in exchange therefor or in lieu thereof, shall be deemed a “Restricted
Security” and shall be subject to the restrictions on transfer provided in the legends set forth on the face of the form of Security in Section 2.02; provided, however, that the term “Restricted Security” shall
not include any Securities as to which restrictions have been terminated in accordance with Section 3.06. All Securities shall bear the applicable legends set forth on the face of the form of Security in Section 2.02. Except as provided in
Section 3.06 and Section 3.10, the Trustee shall not issue any unlegended Security until it has received an Officers’ Certificate from the Company directing it to do so. 
 ARTICLE 3 
 THE SECURITIES 
 Section 3.01. Title and Terms; Payments. The aggregate Principal Amount of Securities that may be authenticated and delivered under this Indenture
is initially limited to $75,000,000, except for Securities authenticated and delivered upon registration or transfer of, or in exchange for, or in lieu of, other Securities pursuant to Sections 2.05, 3.05, 3.06, 3.07 or 5.05. 
 The Securities shall be known and designated as the “14.75% Convertible Senior Subordinated Notes due 2014” of the Company. The Principal
Amount shall be payable at Stated Maturity. 
 Additional Securities ranking pari passu with the Initial Securities may be created and
issued from time to time by the Company without notice to or consent of the Holders of the Initial Securities and shall be consolidated with and form a single class with the Initial Securities and shall have the same terms as to status, redemption
or otherwise as the Initial Securities. Any Additional Securities shall be issued with the benefit of an indenture supplemental to this Indenture. 
  

 31 

 The Principal Amount of and interest (including any Additional Interest) on Global Securities registered
in the name of The Depository Trust Company or its nominee shall be paid by wire transfer in immediately available funds to The Depository Trust Company or its nominee, as applicable, as the registered Holder of such Global Security. 
 The Principal Amount of Physical Securities shall be payable at the Corporate Trust Office and at any other office or agency maintained by the Company
for such purpose. Interest (including Additional Interest, if any) on Physical Securities will be payable (i) to Holders having an aggregate Principal Amount of $1,000,000 or less of Securities, by check mailed to such Holders at the address
set forth in the Security Register and (ii) to Holders having an aggregate Principal Amount of more than $1,000,000 of Securities, either by check mailed to such Holders or, upon application by a Holder to the Security Registrar not later than
the relevant Record Date for such interest payment, by wire transfer in immediately available funds to such Holder’s account within the United States, which application shall remain in effect until the Holder notifies, in writing, the Security
Registrar to the contrary. 
 If any Interest Payment Date (other than an Interest Payment Date coinciding with Stated Maturity or earlier
Fundamental Change Purchase Date) of a Security falls on a day that is not a Business Day, such Interest Payment Date shall be postponed to the next succeeding Business Day. If Stated Maturity or earlier Fundamental Change Purchase Date would fall
on a day that is not a Business Day, the required payment of interest, if any, and Principal Amount (and Additional Interest, if any), shall be made on the next succeeding Business Day and no interest on such payment shall accrue for the period from
and after Stated Maturity or earlier Fundamental Change Purchase Date to such next succeeding Business Day. If a Record Date is not a Business Day, the Record Date will be unaffected. 
 Section 3.02. Ranking. The Securities constitute the Senior Subordinated Indebtedness of the Company, as set forth in Article 9 hereof.

 Section 3.03. Denominations. The Securities shall be issuable only in registered form without coupons and in denominations of
$1,000 and any multiple of $1,000 above that amount. 
 Section 3.04. Execution, Authentication, Delivery and Dating. The Securities
shall be executed on behalf of the Company by its Chief Executive Officer, its President, its Chief Financial Officer or its Treasurer. 
  

 32 

 Securities bearing the manual or facsimile signatures of individuals who were at any time the proper
officers of the Company 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 such
Securities. 
 At any time and from time to time after the execution and delivery of this Indenture, the Company may deliver Securities
executed by the Company to the Trustee for authentication, together with a Company Order for the authentication and delivery of such Securities. The Company Order shall specify the amount of Securities to be authenticated, and shall further specify
the amount of such Securities to be issued as a Global Security or as Physical Securities. The Trustee in accordance with such Company Order shall authenticate and deliver such Securities as in this Indenture provided and not otherwise. 

Each Security shall be dated the date of its authentication. 
 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 executed by the Trustee by manual signature, and such certificate upon any Security shall be conclusive evidence, and the only evidence, that such Security has been duly authenticated and delivered hereunder. 
 Section 3.05. Temporary Securities. Pending the preparation of definitive Securities, the Company may execute, and upon Company Order the Trustee
shall authenticate and deliver, temporary Securities that are printed, lithographed, typewritten, mimeographed or otherwise 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 evidenced by their execution of such Securities; provided, that any such temporary
Securities shall bear legends on the face of such Securities as set forth in Section 2.02. 
 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 any office or agency of the Company designated pursuant to Section 4.02, 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 Physical Securities of authorized denominations. Until so exchanged, the temporary Securities shall in all respects be entitled to the same benefits under this Indenture as Physical Securities.

  

 33 

 Section 3.06. Registration; Registration of Transfer and Exchange; Restrictions on Transfer.

 (a) The Company shall cause to be kept at the applicable Corporate Trust Office of the Trustee a register (the register maintained in such
office and in any other office or agency designated pursuant to Section 4.02 being herein sometimes collectively referred to as the “Security Register”) in which, subject to such reasonable regulations as it may prescribe, the
Company shall provide for the registration of Securities and of transfers of Securities. The Trustee is hereby appointed “Security Registrar” (the “Security Registrar”) for the purpose of registering Securities and
transfers of Securities as herein provided. 
 Upon surrender for registration of transfer of any Security at an office or agency of the
Company designated pursuant to Section 4.02 for such purpose, 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
denominations and of a like aggregate Principal Amount and tenor, each such Security bearing such restrictive legends as may be required by this Indenture (including Section 2.02, 2.05, 3.06(b) and 3.10). 
 At the option of the Holder and subject to the other provisions of this Section 3.06 and to Section 3.10, Securities may be exchanged for other
Securities of any authorized denominations and of a like aggregate Principal Amount and tenor, upon surrender of the Securities to be exchanged 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. 
 All
Securities issued upon any registration of transfer or exchange of Securities shall be the valid obligations of the Company, evidencing the same debt, and entitled to the same benefits under this Indenture, as the Securities surrendered upon such
registration of transfer or exchange. 
 Every Security presented or surrendered for registration of transfer or for exchange shall (if so
required by the Company or the Trustee) be duly endorsed, or be accompanied by a written instrument of transfer in form satisfactory to the Company and the Security Registrar duly executed, by the Holder thereof or his attorney duly authorized in
writing. As a condition to the registration of transfer of any Restricted Securities, the Company or the Trustee may require evidence satisfactory to them as to the compliance with the restrictions set forth in the legend on such securities.

  

 34 

 Except as provided in the following sentence and in Section 3.10, all Securities originally issued
hereunder and all Securities issued upon registration of transfer or exchange or replacement thereof shall be Restricted Securities and shall bear the legends required by Sections 2.02 and 2.05, unless the Company shall have delivered to the Trustee
(and the Security Registrar, if other than the Trustee) an Officers’ Certificate stating that the Security is not a Restricted Security and may be issued without such legend thereon. Securities that are issued upon registration of transfer of,
or in exchange for, Securities that are not Restricted Securities shall not be Restricted Securities and shall not bear such legend. 
 No
service charge shall be made for any registration of transfer or exchange of Securities, but the Company and the Security Registrar may require payment of a sum sufficient to cover any tax or other governmental charge that may be imposed in
connection with any registration of transfer or exchange of Securities, other than exchanges pursuant to Section 3.05 not involving any transfer. 
 Neither the Company nor the Security Registrar shall be required to exchange or register a transfer of any Security (i) that has been surrendered for conversion or (ii) as to which a Fundamental Change
Purchase Notice has been delivered and not withdrawn, except that where such Fundamental Change Purchase Notice provides that such Security is to be purchased only in part, the Company and the Security Registrar shall be required to exchange or
register a transfer of the portion thereof not to be purchased. 
 (b) Beneficial ownership of every Restricted Security shall be subject to
the restrictions on transfer provided in the legends required to be set forth on the face of each Restricted Security pursuant to Sections Section 2.02 and 2.05, unless such restrictions on transfer shall be terminated in accordance with this
Section 3.06(b) or Section 3.10. The Holder of each Restricted Security, by such Holder’s acceptance thereof, agrees to be bound by such restrictions on transfer. 
 The restrictions imposed by this Section 3.06 and by Section 2.02, 2.05 and 3.10 upon the transferability of any particular Restricted Security
shall cease and terminate upon delivery by the Company to the Trustee of an Officers’ Certificate stating that such Restricted Security has been sold pursuant to an effective Resale Registration Statement under the Securities Act or transferred
in compliance with Rule 144 under the Securities Act (or any successor provision thereto). Any Restricted Security as to which the Company has delivered to the Trustee an Officers’ Certificate stating that such restrictions on transfer shall
have expired in accordance with their terms or shall have terminated may, upon surrender of such Restricted Security for exchange to the Security Registrar in accordance with the provisions of this Section 3.06, be exchanged for a new Security,
of like tenor and aggregate Principal Amount, which shall not bear the restrictive legends required by Section 2.02 and 2.05. The Company shall inform the Trustee in writing of the effective date of any resale registration statement registering
the Securities under the Securities Act. The Trustee shall not be liable for any action taken or omitted to be taken by it in good faith in accordance with the aforementioned resale registration statement. 
  

 35 

 As used in the preceding two paragraphs of this Section 3.06, the term “transfer”
encompasses any sale, pledge, transfer or other disposition of any Restricted Security. 
 (c) Neither the Trustee, the Security Registrar
nor any of their respective agents shall (i) have any duty to monitor compliance with or with respect to any federal or state or other securities or tax laws or (ii) have any duty to obtain documentation relating to any transfers or
exchanges other than as specifically required hereunder. 
 Section 3.07. Mutilated, Destroyed, Lost and Stolen Securities. If any
mutilated Security is surrendered to the Trustee, the Company shall execute and the Trustee shall authenticate and deliver in exchange therefor a new Security of like tenor and Principal Amount and bearing a number not contemporaneously outstanding.

 If there shall be delivered to the Company and the Trustee (i) evidence to their satisfaction of the destruction, loss or theft of
any Security and (ii) such security or indemnity as may be required by them to save each of them and any agent of either of them harmless, then, in the absence of notice to the Company and the Trustee that such Security has been acquired by a
bona fide purchaser, the Company shall execute and the Trustee shall authenticate and deliver, in lieu of any such destroyed, lost or stolen Security, a new Security of like tenor and Principal Amount and bearing a number not contemporaneously
outstanding. 
 In case any such mutilated, destroyed, lost or stolen Security has become or is about to become due and payable, the Company
in its discretion may, instead of issuing a new Security, pay such Security. 
 Upon the issuance of any new Security under this
Section 3.07, the Company may require payment by the Holder 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. 
 Every new Security issued pursuant to this Section 3.07 in lieu of any 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 the benefits of this Indenture equally and
proportionately with any and all other Securities duly issued hereunder. 
  

 36 

 The provisions of this Section 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 3.08. Persons
Deemed Owners. Prior to due presentment of a Security for registration of transfer, the Company, the Trustee, the Security Registrar and any agent of the Company, the Trustee or the Security Registrar may treat the Person in whose name such
Security is registered as the owner of such Security for the purpose of receiving payment of the principal of such Security and for all other purposes whatsoever, whether or not such Security be overdue, and neither the Company, the Trustee, the
Security Registrar nor any agent of the Company, the Trustee or the Security Registrar shall be affected by notice to the contrary. 
 Section 3.09. Book-Entry Provisions for Global Securities. 
 (a) The Global Securities initially shall (i) be
registered in the name of the Depositary or the nominee of such Depositary, (ii) be delivered to the Trustee as custodian for the Depositary and (iii) bear legends as set forth on the face of the form of Security in Section 2.02.

 Members of, or participants in, the Depositary (“Agent Members”) shall have no rights under this Indenture with respect
to any Global Security held on their behalf by the Depositary, or the Trustee as its custodian, or under the Global Security, and the Depositary may be treated by the Company, the Trustee and any agent of the Company or the Trustee as the absolute
owner of the 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 impair, as between the Depositary and its Agent Members, the operation of customary practices governing the exercise of the rights of any Holder. 
 (b) Transfers of the Global Securities shall be limited to transfers in whole, but not in part, to the Depositary, its successors or their respective
nominees. Interests of beneficial owners in a Global Security may be transferred or exchanged, in whole or in part, for Physical Securities, upon the request of a participant of the Depositary by written notice given to the Trustee by or on behalf
of the Depositary, in accordance with the rules and procedures of the Depositary and the provisions of Section 3.10. In addition, Physical Securities shall be transferred to all beneficial owners in exchange for their beneficial interests in
the Global Securities if (i) such Depositary has notified the Company that the Depositary (A) is unwilling or unable to continue as Depositary for such Global Security or (B) has ceased to be a clearing agency registered under the
Exchange Act when the Depositary is required to be so registered to act as such 

  

 37 

 
Depositary and, in either such case, no successor Depositary shall have been appointed within 90 days of such notification, (ii) there shall have
occurred and be continuing an Event of Default with respect to such Global Security and the Trustee has received a request from the Depositary that Physical Securities be issued or (iii) the Company, at its option, notifies the Trustee that it
elects to cause the issuance of Physical Securities, subject to applicable procedures of the Depositary; provided that Holders of Physical Securities offered and sold in reliance on Rule 144A shall have the right, subject to applicable law,
to request that such Securities be exchanged for interests in the applicable Global Security. 
 (c) In connection with any transfer or
exchange of a portion of the beneficial interest in the Global Security to beneficial owners pursuant to paragraph (b) above, the Security Registrar shall (if one or more Physical Securities are to be issued) reflect on its books and records
the date and a decrease in the Principal Amount of the Global Security in an amount equal to the Principal Amount of the beneficial interest in the Global Security to be transferred, and the Company shall execute, and the Trustee shall authenticate
and deliver, one or more Physical Securities of like tenor and amount. 
 (d) In connection with the transfer of the entire Global Security
to beneficial owners pursuant to paragraph (b) above, the Global Security shall be deemed to be surrendered to the Trustee for cancellation, and the Company shall execute, and the Trustee shall authenticate and deliver, to each beneficial owner
identified by the Depositary in exchange for its beneficial interest in the Global Security, an equal aggregate Principal Amount of Physical Securities of authorized denominations and the same tenor. 
 (e) Any Physical Security constituting a Restricted Security delivered in exchange for an interest in the Global Security pursuant to paragraph (c)
or (d) above shall, except as otherwise provided by paragraph (c) of Section 3.10, bear the legend regarding transfer restrictions applicable to the Physical Securities set forth on the face of the form of Security in
Section 2.02. 
 (f) The Holder of the Global Securities may grant proxies and otherwise authorize any Person, including Agent Members
and Persons that may hold interests through Agent Members, to take any action that a Holder is entitled to take under this Indenture or the Securities. 
 Section 3.10. Cancellation and Transfer Provisions. The Company at any time may deliver to the Trustee for cancellation any Securities previously authenticated and delivered hereunder that the Company may have
acquired in any manner whatsoever, and may deliver to the Trustee for cancellation any Securities previously authenticated hereunder which the Company has not issued and sold. The Trustee shall cancel (in accordance with its customary practices) all
Securities surrendered for registration of transfer, exchange, payment, purchase, 

  

 38 

 
repurchase, conversion (pursuant to Article 6 hereof) or 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 and until the same are delivered to the Trustee for cancellation. The Company may not issue new Securities to replace Securities it has paid in full or
delivered to the Trustee for cancellation. 
 (a) Transfers to QIBs. The following provisions shall apply with respect to the
registration of any proposed transfer of a Security constituting a Restricted Security to a QIB: 
 (i) the Security Registrar
shall register the transfer if such transfer is being made by a proposed transferor who has checked the box provided for on the form of Security stating, or has otherwise advised the Company and the Security Registrar in writing, that the sale has
been made in compliance with the provisions of Rule 144A to a transferee who has signed the certification provided for on the form of Security stating, or has otherwise advised the Company and the Security Registrar in writing, that it is purchasing
the Security for its own account or an account with respect to which it exercises sole investment discretion and that it and any such account is a QIB within the meaning of Rule 144A, and is aware that the sale to it is being made in reliance on
Rule 144A and acknowledges that it has received such information regarding the Company as it has requested pursuant to Rule 144A or has determined not to request such information and that it is aware that the transferor is relying upon its foregoing
representations in order to claim the exemption from registration provided by Rule 144A; and 
 (ii) if the proposed
transferee is an Agent Member, and the Securities to be transferred consist of Physical Securities which after transfer are to be evidenced by an interest in the Global Security, upon receipt by the Security Registrar of instructions given in
accordance with the Depositary’s and the Security Registrar’s procedures, the Security Registrar shall reflect on its books and records the date and an increase in the Principal Amount of the Global Security in an amount equal to the
Principal Amount of the Physical Securities to be transferred, and the Trustee shall cancel the Physical Securities so transferred. 
 (b)
Private Placement Legend. Upon the registration of transfer, exchange or replacement of Securities not bearing the legends required by Section 2.02 and 2.05, the Security Registrar shall deliver Securities that do not bear such legends.
Except in the case of a registration of transfer, exchange or replacement contemplated by the Registration Rights Agreement, upon the registration of transfer, exchange or replacement of Securities bearing the legends required by Section 2.02
and 2.05, the Security Registrar shall deliver only Securities that 

  

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bear such legends unless there is delivered to the Security Registrar an Opinion of Counsel reasonably satisfactory to the Company and the Trustee to the
effect that neither such legend nor the related restrictions on transfer are required in order to maintain compliance with the provisions of the Securities Act. 
 (c) General. By its acceptance of any Security bearing the legends required by Section 2.02 and 2.05, each Holder of such a Security acknowledges the restrictions on transfer of such Security set forth in
this Indenture and in such legends and agrees that it will transfer such Security only as provided in this Indenture. 
 The Security
Registrar shall retain, in accordance with its customary procedures, copies of all letters, notices and other written communications received pursuant to this Section 3.10. The Company shall have the right to inspect and make copies of all such
letters, notices or other written communications at any reasonable time upon the giving of reasonable written notice to the Security Registrar. 
 Section 3.11. CUSIP Numbers. In issuing the Securities, the Company may use “CUSIP” numbers (if then generally in use), and, if so, the Trustee shall use “CUSIP” numbers in notices of redemption as a convenience
to Holders; 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.

 ARTICLE 4 
 PARTICULAR COVENANTS OF THE COMPANY 
 Section 4.01.
Payment of Principal and Interest. The Company covenants and agrees that it shall duly and punctually pay or cause to be paid the principal of, and interest on, each of the Securities at the places, at the respective times and in the manner
provided herein and in the Securities. 
 Section 4.02. Maintenance of Office or Agency. The Company shall maintain an office or
agency where the Securities may be surrendered for registration of transfer or exchange or for presentation for payment or for conversion and where notices and demands to or upon the Company in respect of the Securities and this Indenture may be
served. The Company shall give prompt written notice to the Trustee of the location, and any change in the location, of such office or agency not designated or appointed by the Trustee. If at any time the Company shall fail to maintain any such
required office or agency or shall fail 

  

 40 

 
to furnish the Trustee with the address thereof, such presentations, surrenders, notices and demands may be made or served at the Corporate Trust Office, and
the Company hereby appoints the Trustee as its agent to receive all such presentations, surrenders, notices and demands. 
 The Company may
also from time to time designate co-registrars and one or more offices or agencies where the Securities may be presented or surrendered for any or all such purposes and may from time to time rescind such designations. 
 The Company will give prompt written notice of any such designation or rescission and of any change in the location of any such other office or agency.

 The Company hereby initially designates the Trustee as paying agent, Security Registrar, Custodian and conversion agent at the Corporate
Trust Office. 
 So long as the Trustee is the Security Registrar, the Trustee agrees to mail, or cause to be mailed, the notices set forth
in Section 10.11(a) and the third paragraph of Section 10.12. If co-registrars have been appointed in accordance with this Section, the Trustee shall mail such notices only to the Company and the Holders of Securities it can identify from
its records. 
 Section 4.03. Provisions as to Paying Agent. 
 (a) If the Company shall appoint a Paying Agent other than the Trustee, or if the Trustee shall appoint such a Paying Agent, the Company will cause such
Paying Agent to execute and deliver to the Trustee an instrument in which such agent shall agree with the Trustee, subject to the provisions of this Section 4.03: 
 (i) that it will hold all sums held by it as such agent for the payment of the principal of or interest, including Additional Interest, if
any, on the Securities (whether such sums have been paid to it by the Company or by any other obligor on the Securities) in trust for the benefit of the Holders of the Securities; 
 (ii) that it will give the Trustee notice of any failure by the Company (or by any other obligor on the Securities) to make any payment of
the principal of or interest, including Additional Interest, if any, on the Securities when the same shall be due and payable; and 
 (iii) that at any time during the continuance of an Event of Default, upon request of the Trustee, it will forthwith pay to the Trustee all sums so held in trust. 
  

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 The Company shall, on or before each due date of the principal of or interest, including Additional
Interest, if any, on the Securities, deposit with the paying agent a sum (in funds which are immediately available on the due date for such payment) sufficient to pay such principal or interest, and (unless such paying agent is the Trustee) the
Company will promptly notify the Trustee of any failure to take such action; provided, however, that if such deposit is made on the due date, such deposit shall be received by the paying agent by 11:00 a.m. New York City time, on such
date. 
 (b) If the Company shall act as its own Paying Agent, it will, on or before each due date of the principal of or interest on the
Securities, set aside, segregate and hold in trust for the benefit of the Holders of the Securities a sum sufficient to pay such principal or interest, including Additional Interest, if any, so becoming due and will promptly notify the Trustee of
any failure to take such action and of any failure by the Company (or any other obligor under the Securities) to make any payment of the principal of or interest, including Additional Interest, if any, on the Securities when the same shall become
due and payable. 
 (c) Anything in this Section 4.03 to the contrary notwithstanding, the Company may, at any time, for the purpose of
obtaining a satisfaction and discharge of this Indenture, or for any other reason, pay or cause to be paid to the Trustee all sums held in trust by the Company or any paying agent hereunder as required by this Section 4.03, such sums to be held
by the Trustee upon the trusts herein contained and upon such payment by the Company or any paying agent to the Trustee, the Company or such paying agent shall be released from all further liability with respect to such sums. 
 (d) Anything in this Section 4.03 to the contrary notwithstanding, the agreement to hold sums in trust as provided in this Section 4.03 is
subject to Section 12.03 and Section 12.04. 
 The Trustee shall not be responsible for the actions of any other paying agents
(including the Company if acting as its own paying agent) and shall have no control of any funds held by such other paying agents. 
 Section
4.04. Rule 144A Information Requirement. Within the period prior to the expiration of the holding period applicable to sales thereof under Rule 144(b)(1) under the Securities Act (or any successor provision), the Company covenants and agrees
that it shall, during any period in which it is not subject to Section 13 or 15(d) under the Exchange Act, make available to any Holder or beneficial holder of Securities or any Common Stock issued upon conversion thereof which continue to be
Restricted Securities in connection with any sale thereof and any prospective purchaser of Securities or such Common Stock designated by such Holder or beneficial holder, the information required pursuant to Rule 144A(d)(4) under the Securities Act
upon the request of any Holder or beneficial holder of the Securities or such Common Stock, all to the extent required from time to time to enable such Holder or beneficial holder to sell its Securities or Common Stock without registration under the
Securities Act within the limitation of the exemption provided by Rule 144A, as such rule may be amended from time to time. 
  

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 Section 4.05. Resale of Certain Securities. Prior to the expiration of the holding period
applicable to sales thereof under Rule 144(b)(1) under the Securities Act (or any successor provision), the Company shall not, and shall not permit any of its “affiliates” within its “control” (each as defined under Rule
144 under the Securities Act or any successor provision thereto) to, resell any Securities which constitute “restricted securities” under Rule 144 that have been reacquired by any of them. The Trustee shall have no responsibility in
respect of the Company’s performance of its agreement in the preceding sentence. 
 Section 4.06. Commission Filings. Subject to
the requirements of §314(a) of the Trust Indenture Act, the Company will deliver to the Trustee within 15 days after the Company is required to file the same with the Commission, copies of the quarterly and annual reports and of the
information, documents and other reports (or copies of such portions of any of the foregoing as the Commission may prescribe) which the Company is required to file with the Commission pursuant to Section 13 or 15(d) of the Exchange Act, and
shall otherwise comply with the requirements of § 314(a) of the Trust Indenture Act. To the extent any such information, documents and reports are filed by the Company electronically on the Commission’s Interactive Data Electronic
Applications system (or any successor system), notice thereof shall be delivered promptly to the Trustee, upon which such information, documents and reports shall be deemed delivered to the Trustee. 
 Section 4.07. Book-Entry System. If the Securities cease to trade in the Depositary’s book-entry settlement system, the Company covenants and
agrees that it shall use reasonable efforts to make such other book-entry arrangements that it determines are reasonable for the Securities. 
 Section 4.08. Additional Interest under the Registration Rights Agreement. If at any time Additional Interest becomes payable by the Company pursuant to the Registration Rights Agreement, the Company shall promptly deliver to the
Trustee a certificate to that effect and stating (i) the amount of such Additional Interest that is payable and (ii) the date on which such Additional Interest is payable pursuant to the terms of the Registration Rights Agreement. Unless
and until a Responsible Officer of the Trustee receives such a certificate, the Trustee may assume without inquiry that no Additional Interest is payable. If the Company has paid Additional Interest directly to the Persons entitled to such
Additional Interest, the Company shall deliver to the Trustee a certificate setting forth the particulars of such payment. 
  

 43 

 Section 4.09. 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, covenants
and conditions of this Indenture (without regard to any period of grace or requirement of notice provided hereunder) or has been in default during the previous year and, if the Company shall be in default, or shall have been in default during the
previous year, specifying all such defaults and the nature and the status thereof of which the signers may have knowledge. 
 The Company
shall deliver to the Trustee, as soon as possible and in any event within 30 days after the Company becomes aware of the occurrence of any Event of Default or an event which, with notice or the lapse of time or both, would constitute an Event of
Default, an Officers’ Certificate setting forth the details of such Event of Default or Default, its status and the action which the Company proposes to take with respect thereto. 
 Any notice required to be given under this Section 4.09 shall be delivered to a Responsible Officer of the Trustee at its Corporate Trust Office.

  

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 ARTICLE 5 
 FUNDAMENTAL CHANGES AND PURCHASES THEREUPON 
 Section 5.01. Purchase at Option of Holders Upon a Fundamental Change. 
 (a) Generally. If a Fundamental Change occurs at any time prior to the Maturity of the Securities, then each Holder shall have the right, at such Holder’s option, to require the Company to purchase for
cash any or all of such Holder’s Securities, or any portion of the Principal Amount thereof, that is equal to $1,000 or a multiple of $1,000, on a date specified by the Company that is no later than the 30th calendar day following the date of the Fundamental Change Company Notice (as defined below) (the “Fundamental Change Purchase Date”), at a purchase price equal to
100% of the Principal Amount thereof, together with accrued and unpaid interest thereon, including Additional Interest, if any, to, but excluding, the Fundamental Change Purchase Date (the “Fundamental Change Purchase Price”);
provided, however, that if a Fundamental Change Purchase Date is between a Record Date and the Interest Payment Date related thereto, interest, including Additional Interest, if any, for the full interest period to such Interest
Payment Date and payable in respect of such Interest Payment Date (irrespective of the actual Fundamental Change Purchase Date) shall be payable to the Holders of record as of the corresponding Record Date. 
 Purchases of Securities under this Section 5.01 shall be made, at the option of the Holder thereof, upon: 
 (i) delivery to the Paying Agent by a Holder, prior to 10:00 a.m., New York City time, on or before the Business Day immediately preceding
the Fundamental Change Purchase Date, of a duly completed notice (the “Fundamental Change Purchase Notice”) in the form set forth on the reverse of the Securities or otherwise specifying: 
 (A) if certificated, the certificate numbers of Securities to be delivered for purchase; 
 (B) the portion of the Principal Amount of Securities to be purchased, which must be $1,000 or a multiple thereof, provided that
the remaining Principal Amount of Securities is an authorized denomination; and 
 (C) that the Securities are to be purchased
by the Company pursuant to the applicable provisions of the Securities and the Indenture; and 
  

 45 

 (ii) delivery or book-entry transfer of the Securities to the Trustee (or other Paying
Agent appointed by the Company) (together with all necessary endorsements) at any time prior to 10:00 a.m., New York City time, on or before the Business Day immediately preceding the Fundamental Change Purchase Date, at the applicable Corporate
Trust Office of the Trustee (or other Paying Agent appointed by the Company), such delivery being a condition to receipt by the Holder of the Fundamental Change Purchase Price therefor; provided that such Fundamental Change Purchase Price
shall be so paid pursuant to this Section 5.01 only if the Securities so delivered to the Trustee (or other Paying Agent appointed by the Company) shall conform in all respects to the description thereof in the related Fundamental Change
Purchase Notice. 
 Any purchase by the Company contemplated pursuant to the provisions of this Section 5.01 shall be consummated by the
delivery of the consideration to be received by the Holder promptly following the later of the Fundamental Change Purchase Date and the time of the book-entry transfer or delivery of the Securities. 
 Notwithstanding anything herein to the contrary, any Holder delivering to the Trustee (or other Paying Agent appointed by the Company) the Fundamental
Change Purchase Notice contemplated by this Section 5.01 shall have the right to withdraw such Fundamental Change Purchase Notice at any time prior to 10:00 a.m., New York City time, on the Business Day immediately preceding the Fundamental
Change Purchase Date by delivery of a written notice of withdrawal to the Trustee (or other Paying Agent appointed by the Company) in accordance with Section 5.03 below. 
 The Company will not be required to make an offer to purchase the Securities upon a Fundamental Change if a third party makes the offer in the manner, at
the times, and otherwise in compliance with the requirements set forth in this Article 5 applicable to an offer by the Company to purchase the Securities upon a Fundamental Change and such third party purchases all Securities validly tendered and
not withdrawn upon such offer. 
 The Trustee (or other Paying Agent appointed by the Company) shall promptly notify the Company of the
receipt by it of any Fundamental Change Purchase Notice or written notice of withdrawal thereof. 
 (b) Fundamental Change Company Notice. On or before the 15th day after the occurrence of a Fundamental
Change, the Company shall provide to all Holders of record of the Securities and the Trustee and Paying Agent a notice (the “Fundamental Change Company Notice”) of the occurrence of such Fundamental Change and of the purchase right
at the option of the Holders arising 

  

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as a result thereof. Such mailing shall be by first class mail. Simultaneously with providing such Fundamental Change Company Notice, the Company shall
publish a notice containing the information included therein once in a newspaper of general circulation in The City of New York or publish such information on the Company’s website or through such other public medium as the Company may use at
such time. 
 Each Fundamental Change Company Notice shall specify: 
 (i) the events causing a Fundamental Change; 
 (ii) the date of the Fundamental Change; 
 (iii) the last date on which a Holder may exercise
the purchase right; 
 (iv) the Fundamental Change Purchase Price; 
 (v) the Fundamental Change Purchase Date (which shall be no earlier than 15 days after the date of the Fundamental Change Company Notice);

 (vi) the name and address of the Paying Agent and the Conversion Agent, if applicable; 
 (vii) if applicable, the applicable Conversion Rate and any adjustments to the applicable Conversion Rate; 
 (viii) if applicable, that the Securities with respect to which a Fundamental Change Purchase Notice has been delivered by a Holder may be
converted only if the Holder withdraws the Fundamental Change Purchase Notice in accordance with Section 5.03; and 
 (ix) the procedures that Holders must follow to require the Company to purchase their Securities. 
 No failure of the Company to
give the foregoing notices and no defect therein shall limit the Securityholders’ purchase rights or affect the validity of the proceedings for the purchase of the Securities pursuant to this Section 5.01. 
 (c) No Payment During Events of Default. There shall be no purchase of any Securities pursuant to this Section 5.01 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 (other than a default that is cured by the payment of the
Fundamental Change Purchase Price of the Securities). The Paying Agent will promptly return 

  

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to the respective Holders thereof any Securities (i) with respect to which a Fundamental Change Purchase Notice has been withdrawn in compliance with
this Indenture, or (ii) held by it during the continuance of an Event of Default (other than a default that is cured by the payment of the Fundamental Change Purchase Price with respect to such Securities) in which case, upon such return, the
Fundamental Change Purchase Notice with respect thereto shall be deemed to have been withdrawn. 
 (d) Payment of Fundamental Change
Purchase Price. The Securities to be purchased pursuant to this Section 5.01 shall be paid for in cash. 
 Section 5.02. Effect
of Fundamental Change Purchase Notice. Upon receipt by the Paying Agent of the Fundamental Change Purchase Notice specified in Section 5.01(a), 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 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 5.01(a) have been satisfied) and (y) the time of book-entry transfer or the delivery of such Security to the Paying Agent by the Holder thereof in the manner required by Section 5.01(b). 
 Section 5.03. Withdrawal of Fundamental Change Purchase Notice. 
 (a) A Fundamental Change Purchase Notice may be withdrawn (in whole or in part) by means of a written notice of withdrawal delivered to the Paying Agent in accordance with the Fundamental Change Company Notice at any
time prior to 10:00 a.m., New York City time, on the Business Day immediately preceding the Fundamental Change Purchase Date, specifying: 
 (i) the name of the Holder; 
 (ii) the Principal Amount of the Securities with respect to
which such notice of withdrawal is being submitted, which must be an integral multiple of $1,000; 
 (iii) if Physical
Securities have been issued, the certificate numbers of the withdrawn Securities; and 
 (iv) the Principal Amount of such
Securities that remains subject to the original Fundamental Change Purchase Notice, which portion must be in Principal Amounts of $1,000 or a multiple of $1,000; provided, however, that if Physical Securities have not been issued, the notice
must comply with appropriate procedures of the Depositary. 
  

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 Section 5.04. Deposit of Fundamental Change Purchase Price. Prior to 10:00 a.m. (local time in The
City of New York) on the Fundamental Change Purchase Date, subject to extension to comply with applicable law, 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 herein) an amount of money (in immediately available funds if deposited on such Business Day) sufficient to pay the Fundamental Change Purchase Price, of all the Securities
or portions thereof that are to be purchased as of the Fundamental Change Purchase Date. The Company shall promptly notify the Trustee in writing of the amount of any deposits of cash made pursuant to this Section 5.04. If the Paying Agent
holds cash sufficient to pay the Fundamental Change Purchase Price of any Security for which a Fundamental Change Purchase Notice has been tendered and not withdrawn in accordance with this Indenture as of the Business Day following the Fundamental
Change Purchase Date, then effective on the Fundamental Change Purchase Date, (a) such Security shall cease to be outstanding and interest, including Additional Interest, if any, will cease to accrue thereon (whether or not book-entry transfer
of such Security is made or such Security is delivered to the Paying Agent) and (b) all other rights of the Holder in respect thereof will terminate (other than the right to receive the Fundamental Change Purchase Price and previously accrued
and unpaid interest, including Additional Interest, if any, upon delivery or book-entry transfer of such Security, or interest payable on the related Interest Payment Date, if the Fundamental Change Purchase Date occurs between the Record Date and
such Interest Payment Date, as applicable). 
 Section 5.05. Securities Purchased in Whole or in Part. Any Security that is to be
purchased, whether in whole or 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
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 5.06. Covenant to Comply With Securities Laws Upon Purchase of Securities. In connection with any offer to purchase Securities under
Section 5.01 (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), 

  

 49 

 
the Company shall (i) comply with Rule 13e-4 and Rule 14e-1 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 5.01 to be exercised in the time and in the manner specified in Section 5.01.

 Section 5.07. Repayment to the Company. The Trustee and the Paying Agent shall return to the Company any cash that remains
unclaimed, together with interest, including Additional Interest, if any, or dividends, if any, thereon, held by them for the payment of the Fundamental Change Purchase Price; provided that to the extent that the aggregate amount of cash
deposited by the Company pursuant to Section 5.04 exceeds the aggregate Fundamental Change Purchase Price of the Securities or portions thereof which the Company is obligated to purchase as of the Fundamental Change Purchase Date, then as soon
as practicable following the Fundamental Change Purchase Date, the Trustee or the Paying Agent, as the case may be, shall return any such excess to the Company. 
 ARTICLE 6 
 CONVERSION 
 Section 6.01. Right to Convert. 
 (a)
Subject to and upon compliance with the provisions of this Indenture, each Holder shall have the right, at such Holder’s option, to convert the Principal Amount of any such Securities, or any portion of such Principal Amount which is $1,000 or
a multiple of $1,000 thereof at the Conversion Rate then in effect, (x) on or after December 1, 2013 through the close of business on the third Business Day immediately preceding Stated Maturity and (y) prior to the close of business
on the Business Day immediately preceding December 1, 2013, but only upon the satisfaction of any of the following conditions and only during the periods set forth below: 
 (i) A Holder may surrender all or a portion of its Securities for conversion during any fiscal quarter (and only during such fiscal
quarter), if the Last Reported Sale Price of the Common Stock for at least 20 Trading Days (whether or not consecutive) during the period of 30 consecutive Trading Days ending on the last Trading Day of the immediately preceding fiscal quarter is
greater than or equal to 130% of the Conversion Price in effect on each applicable Trading Day. 
 (ii) A Holder may surrender
its Securities for conversion during the five Business Day period after any 10 consecutive Trading Day period (the “Measurement Period”) in which the Trading Price per $1,000 Principal Amount of Securities, as determined following a
request 

  

 50 

 
by a Holder in accordance with the procedures set forth in this Section 6.01(a)(ii), for each day of such period was less than 98% of the product of the
Last Reported Sale Price of the Common Stock and the applicable Conversion Rate. In connection with any conversion in accordance with this Section 6.01(a)(ii), the Bid Solicitation Agent shall have no obligation to determine the Trading Price
of the Securities unless requested by the Company; and the Company shall have no obligation to make such request unless a Holder provides the Company with reasonable evidence that the Trading Price per $1,000 Principal Amount of Securities would be
less than 98% of the product of the Last Reported Sale Price of the Common Stock and the applicable Conversion Rate. Promptly after receiving such evidence, the Company shall instruct the Bid Solicitation Agent to determine the Trading Price of the
Securities beginning on the next Trading Day and on each successive Trading Day until the Trading Price per $1,000 Principal Amount of Securities is greater than or equal to 98% of the product of the Last Reported Sale Price of the Common Stock and
the applicable Conversion Rate. If the Company does not so instruct the Bid Solicitation Agent to obtain bids when required, the Trading Price per $1,000 Principal Amount of Securities will be deemed to be less than 98% of the product of the last
reported sale price on each day the Company fails to do so. 
 (iii) In the event that the Company elects to: 
 (A) issue to all or substantially all holders of Common Stock rights entitling them to purchase, for a period expiring within 60 days
after the date of the distribution, shares of Common Stock at less than the average of the Last Reported Sale Prices of a share of Common Stock for the 10 consecutive Trading-Day period ending on the Business Day preceding the announcement of such
issuance; or 
 (B) distribute to all or substantially all holders of Common Stock assets, debt securities or rights to
purchase securities of the Company, which distribution has a per share value, as reasonably determined by the Company’s Board of Directors, exceeding 10% of the Last Reported Sale Price of the Common Stock on the Business Day preceding the
declaration date for such distribution, 
 then, in each case, the Company shall notify the Holders, in the manner provided in
Section 1.06, at least 25 Scheduled Trading Days prior to the Ex-Date for such distribution. Once the Company has given such notice, Holders may surrender Securities for conversion at any time until the earlier of 5:00 p.m., New York City time,
on the Business Day immediately prior to such Ex-Date or the Company’s announcement that such distribution will not take place, even if the Securities are not otherwise convertible at such time. 
  

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 (iv) (A) If the Company is party to a transaction described in clause (2) of the
definition of Fundamental Change (without, for the avoidance of doubt, giving effect to the exception in the last paragraph of the definition thereof relating to Publicly Traded Securities), the Company shall notify Holders, in the manner provided
in Section 1.06, at least 30 Scheduled Trading Days prior to the anticipated effective date for such transaction. Once the Company has given such notice, Holders may surrender Securities for conversion at any time until 15 calendar days after
the actual effective date of such transaction (or, if such transaction also constitutes a Fundamental Change, the related Fundamental Change Purchase Date). 
 (B) In addition, if a Fundamental Change of the type described in clauses (1) and (4) in the definition thereof occurs, Holders
may surrender all or a portion of their Securities for conversion at any time beginning on the actual effective date of such Fundamental Change until and including the date that is 30 calendar days after the actual effective date of such transaction
or, if later, until the related Fundamental Change Purchase Date. 
 (b) Notwithstanding the foregoing, a Security in respect of which a
Holder has delivered a Fundamental Change Purchase Notice exercising such Holder’s option to require the Company to purchase such Security may be surrendered for conversion only if such notice of exercise is withdrawn in accordance with Article
5 hereof prior to 10:00 a.m., New York City time, on the Business Day immediately preceding the Fundamental Change Purchase Date. 
 Section
6.02. Conversion Procedure. 
 (a) Each Security shall be convertible at the office of the Conversion Agent. 
 (b) In order to exercise the conversion privilege with respect to any beneficial interest in a Global Security, the Holder must complete the appropriate
instruction form for conversion pursuant to the Depositary’s book-entry conversion program, furnish appropriate endorsements and transfer documents if required by the Company or the Trustee or Conversion Agent, and pay the funds, if any,
required by Section 6.03(d) and any transfer taxes if required pursuant to Section 6.07 and the Trustee or Conversion Agent must be informed of the conversion in accordance with customary practice of the Depositary. In order to exercise
the conversion privilege with respect to any Securities in certificated form that are not Global Securities, the Holder of any such Securities to be converted, in whole or in part, shall: 
 (i) complete and manually sign the conversion notice provided on the back of the Security (the “Conversion Notice”) or a
facsimile of the conversion notice and deliver such Conversion Notice, which is irrevocable, to the Conversion Agent; 
  

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 (ii) surrender the Security to the Conversion Agent; 
 (iii) if required, furnish appropriate endorsements and transfer documents; 
 (iv) if required, pay any transfer or similar taxes; and 
 (v) if required, make any payment required under Section 6.03(d). 
 The date on which the Holder satisfies all of the applicable requirements set forth above is the “Conversion Date.” The Trustee will, as
promptly as possible, and in any event within two (2) Business Days, provide the Company with notice of any conversion exercises by Holders of which a Responsible Officer becomes aware. 
 (c) Each Conversion Notice shall state the name or names (with address or addresses) in which any certificate or certificates for shares of Common Stock
which shall be issuable on such conversion shall be issued. All such Securities surrendered for conversion shall, unless the shares issuable on conversion are to be issued in the same name as the registration of such Securities, be duly endorsed by,
or be accompanied by instruments of transfer in form satisfactory to the Company duly executed by, the Holder or his duly authorized attorney. 
 (d) On the third Business Day immediately following the last day of the Observation Period, subject to compliance with any restrictions on transfer if shares issuable on conversion are to be issued in a name other than that of the Holder
(as if such transfer were a transfer of the Securities (or portion thereof) so converted), the Company shall issue and shall deliver to such Holder at the office of the Conversion Agent, a check or cash and a certificate or certificates for the
number of full shares of Common Stock issuable in accordance with the provisions of this Article 6, if applicable. In case any Securities of a denomination greater than $1,000 shall be surrendered for partial conversion, the Company shall execute
and the Trustee shall authenticate and deliver to the Holder of the Securities so surrendered, without charge to him, new Securities in authorized denominations in an aggregate Principal Amount equal to the unconverted portion of the surrendered
Securities. 
  

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 Each conversion shall be deemed to have been effected as to any such Securities (or portion thereof) on
the date on which the requirements set forth above in this Section 6.02 have been satisfied as to such Securities (or portion thereof), and the person in whose name any certificate or certificates for shares of Common Stock shall be issuable
upon such conversion shall be deemed to have become on said date the Holder of record of the shares represented thereby; provided, however, that in case of any such surrender on any date when the stock transfer books of the Company shall be
closed, the person or persons in whose name the certificate or certificates for such shares are to be issued shall be deemed to have become the record Holder thereof for all purposes on the next day on which such stock transfer books are open, but
such conversion shall be at the Conversion Price in effect on the date upon which such Securities shall be surrendered. 
 (e) Upon the
conversion of an interest in Global Securities, the Trustee (or other Conversion Agent appointed by the Company) shall make a notation on such Global Securities as to the reduction in the Principal Amount represented thereby. The Company shall
notify the Trustee in writing of any conversions of Securities effected through any Conversion Agent other than the Trustee. 
 (f) Each
stock certificate representing Common Stock issued upon conversion of the Securities that are Restricted Securities shall bear the legend in substantially the form of Exhibit B hereto. 
 Section 6.03. Payments Upon Conversion. 
 (a) Upon any conversion of any Security, the Company shall deliver to converting 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 20 Trading Days during the applicable Observation Period for such Security. 
 (b) The “Daily
Settlement Amount” for each of the 20 Trading Days during the Observation Period shall consist of: 
 (i) cash equal
to the lesser of (x) one-twentieth of $1,000 and (y) the Daily Conversion Value for such Trading Day, and 
 (ii) to
the extent the Daily Conversion Value exceeds one-twentieth of $1,000, a number of shares of Common Stock equal to (x) the difference between the Daily Conversion Value and one-twentieth of $1,000, divided by (y) the Daily VWAP for such
day. 
 (c) Subject to clauses (d) and (e) below, upon conversion, Holders shall not receive any separate cash payment for accrued
and unpaid interest, including Additional Interest, if any, unless such conversion occurs between a Record Date and the Interest Payment Date to which it relates. 
  

 54 

 (d) If Securities are converted after 5:00 p.m., New York City time, on a Record Date for the payment of
interest, Holders of such Securities at 5:00 p.m., New York City time, on such Record Date will receive the interest and Additional Interest, if any, payable on such Securities on the corresponding Interest Payment Date notwithstanding the
conversion. Securities surrendered for conversion during the period from 5:00 p.m., New York City time, on any Record Date to 9:00 a.m., New York City time, on the immediately following Interest Payment Date, must be accompanied by funds equal to
the amount of interest and Additional Interest, if any, payable on the Securities so converted; provided that no such payment need be made (i) if the Company has specified a Fundamental Change Purchase Date that is after a Record Date
and on or prior to the third Trading Day after the corresponding Interest Payment Date; (ii) for conversions on or following December 1, 2013; or (iii) to the extent of any overdue interest, if any overdue interest exists at the time
of conversion with respect to such Security. 
 (e) If a Holder converts some or all of its Securities into Common Stock when there exists a
Registration Default with respect to the Common Stock, the Holder will not be entitled to receive Additional Interest on such Common Stock. Such Holder will receive, on the third Business Day following the last day of the related Observation Period,
all accrued and unpaid Additional Interest to the Conversion Date. 
 (f) The Company shall not issue fractional shares of Common Stock upon
conversion of Securities. If multiple Securities shall be surrendered for conversion at one time by the same Holder, the number of full shares which shall be issuable upon conversion shall be computed on the basis of the aggregate Principal Amount
of the Securities (or specified portions thereof to the extent permitted hereby) so surrendered. If any fractional share of stock would be issuable upon the conversion of any Securities, the Company shall make payment therefor in cash in lieu of
fractional shares of Common Stock based on the Daily VWAP of the Common Stock on the final Trading Day of the applicable Observation Period. 
 (g) For purposes of this Section 6.03, and notwithstanding the definitions contained in Section 1.01, “Trading Day” means a day on which (i) there is no Market Disruption Event and (ii) trading in
securities generally occurs on the New York Stock Exchange or, if the Common Stock is not then 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 then listed on a U.S. national or regional securities exchange, on the principal other market on which the Common Stock is then traded. If the Common Stock (or other security for which a Daily VWAP must be determined) is
not so listed or quoted, “Trading Day” means a Business Day. 
  

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 Section 6.04. Adjustment of Conversion Rate. The Conversion Rate shall be adjusted from time to
time by the Company if any of the following events occurs, except that the Company will not make any adjustment if Holders of Securities participate, as a result of holding the Securities, in the transactions described below without having to
convert their Securities. 
 (a) If the Company, at any time or from time to time while any of the Securities are outstanding, exclusively
issues shares of Common Stock as a dividend or distribution on shares of Common Stock, or if the Company effects a share split or share combination, then the Conversion Rate will be adjusted based on the following formula: 
  

					
	CR’= 	  	CR0xOS’	  	
	  	OS0	  	

 where 
  

					
	 CR0
	  	=	  	the Conversion Rate in effect immediately prior to the Ex-Date of such dividend or distribution, or the effective date of such share split or share combination, as applicable;
			
	 CR’
	  	=	  	the Conversion Rate in effect immediately after such Ex-Date or effective date;
			
	 OS0
	  	=	  	the number of shares of Common Stock outstanding immediately prior to such Ex-Date or effective date; and
			
	 OS’
	  	=	  	the number of shares of Common Stock outstanding immediately after such Ex-Date or effective date.

 Such adjustment shall become effective immediately after the opening of business on the day following the record
date for such dividend or distribution, or the date fixed for determination for such share split or share combination. If any dividend or distribution of the type described in this Section 6.04(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) If the Company, at any time or from time to time while any of the Securities are outstanding, issues to all holders of Common Stock any rights or warrants entitling them for a period of not more than 60 calendar
days to subscribe for or purchase shares of Common Stock at a price per share less than the average of the Last Reported Sale Prices of Common Stock for the 10 

  

 56 

 
consecutive Trading Day period ending on the Business Day immediately preceding the date of announcement of such issuance, the Conversion Rate shall be
adjusted based on the following formula (provided, that the Conversion Rate will be readjusted to the extent such rights or warrants are not exercised prior to their expiration): 
  

					
	CR’= CR0 x 	  	OS0 + X	  	
	  	OS0 + Y	  	

 where 
  

					
	 CR0
	  	=	  	the Conversion Rate in effect immediately prior to the Ex-Date for such issuance;
			
	 CR’
	  	=	  	the Conversion Rate in effect immediately after such Ex-Date;
			
	 OS0
	  	=	  	the number of shares of Common Stock outstanding immediately after such Ex-Date;
			
	 X
	  	=	  	the total number of shares of Common Stock issuable pursuant to such rights; and
			
	 Y
	  	=	  	the number of shares of Common Stock equal to the aggregate price payable to exercise such rights divided by the average of the Last Reported Sale Prices of Common Stock for the 10 consecutive
Trading Day period ending on the Business Day immediately preceding the date of announcement of the issuance of such rights.

 To the extent such rights or warrants are not exercised prior to their expiration or termination,
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
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 the average of the Last Reported Sale Prices of Common Stock for
the 10 consecutive Trading Day period ending on the Business Day immediately preceding the date of announcement of such issuance, 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 and the value of such consideration, if other than cash, as shall be determined in good faith by the Board of Directors of the Company. 
  

 57 

 For the purposes of this Section 6.04(b), rights or warrants distributed by the Company to all
holders 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 (a
“Trigger Event”): (1) are deemed to be transferred with such shares of Common Stock; (2) are not exercisable; and (3) are also issued in respect of future issuances of Common Stock, shall be deemed not to have been
distributed for purposes of this Section 6.04(b), (and no adjustment to the Conversion Rate under this Section 6.04(b) will be required) until the occurrence of the earliest Trigger Event, whereupon such rights and warrants shall be deemed
to have been distributed and an appropriate adjustment (if any is required) to the Conversion Rate shall be made under this Section 6.04(b). If any such right or warrant, including any such existing rights or warrants distributed prior to the
date of this Indenture, are subject to events, upon the occurrence of which such rights or warrants become exercisable to purchase different securities, evidences of Indebtedness or other assets, then the date of the occurrence of any and each such
event shall be deemed to be the date of distribution and record date with respect to new rights or warrants with such rights (and a termination or expiration of the existing rights or warrants without exercise by any of the holders thereof). In
addition, in the event of any distribution (or deemed distribution) of rights or warrants, or any Trigger Event or other event (of the type described in the preceding sentence) with respect thereto that was counted for purposes of calculating a
distribution amount for which an adjustment to the Conversion Rate under this Section 6.04(b) was made, (1) in the case of any such rights or warrants which shall all have been redeemed or purchased without exercise by any Holders thereof,
the Conversion Rate shall be readjusted upon such final purchase 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 purchase price received by a
holder of Common Stock with respect to such rights or warrants (assuming such holder had retained such rights or warrants), made to all applicable holders of Common Stock as of the date of such redemption or purchase, and (2) in the case of
such rights or warrants which shall have expired or been terminated without exercise by any holders thereof, the Conversion Rate shall be readjusted as if such rights and warrants had not been issued. 
 (c) If the Company, at any time or from time to time while the Securities are outstanding, distributes shares of any class of Capital Stock of the
Company, evidences of Indebtedness or other assets or property of the Company to all holders of its Common Stock, excluding: 
 (i) dividends or distributions referred to in Section 6.04(a); 
  

 58 

 (ii) rights or warrants referred to in Section 6.04(b); 
 (iii) dividends or distributions paid exclusively in cash; and 
 (iv) Spin-Offs (as defined below) to which the provisions set forth below in this clause 6.04(c) shall apply; 
 then the Conversion Rate will be adjusted based on the following formula: 
  

					
	CR’= CR0 x 	 	SP0	  	
	 	SP0 – FMV	  	

 where 
  

					
	 CR0
	  	=	  	the Conversion Rate in effect immediately prior to the Ex-Date for such distribution;
			
	 CR’
	  	=	  	the Conversion Rate in effect immediately after such Ex-Date;
			
	 SP0
	  	=	  	the average of the Last Reported Sale Prices of the Common Stock over the 10 consecutive Trading-Day period ending on the Business Day immediately preceding the Ex-Date for such distribution;
and
			
	 FMV
	  	=	  	the Fair Market Value (as determined by the Board of Directors of the Company) of the shares of Capital Stock, evidences of Indebtedness, assets or property distributed with respect to each
outstanding share of the Common Stock on the Record Date for such distribution.

 Such adjustment shall become effective immediately prior to the opening of business on the day
following the record date for such distribution. If the Board of Directors of the Company determines the Fair Market Value of any distribution for purposes of this Section 6.04(c) by reference to the actual or when issued trading market for any
securities, it must in doing so consider the prices in such market over the same period used in computing the average of the Last Reported Sale Prices of the Common Stock. 
 With respect to an adjustment pursuant to this Section 6.04(c) where there has been a payment of a dividend or other distribution on the Common
Stock of shares of Capital Stock of any class or series, or similar equity interest, of or relating to a Subsidiary or other business unit (a “Spin-Off”), the Conversion Rate in effect immediately before 5:00 p.m., New York City
time, on the effective date of the Spin-Off shall be increased based on the following formula: 
  

					
	CR’= CR0 x 	  	FMV0 + MP0	  	
	  	MP0	  	

  

 59 

 where 
  

					
	 CR0
	  	=	  	the Conversion Rate in effect immediately prior to the effective date of the adjustment;
			
	 CR’
	  	=	  	the Conversion Rate in effect immediately after the effective date of the adjustment;
			
	 FMV0
	  	=	  	the average of the Last Reported Sale Prices of the Capital Stock or similar equity interest distributed to holders of Common Stock applicable to one share of Common Stock over the first ten
consecutive Trading Day period after the effective date of the Spin-Off; and
			
	 MP0
	  	=	  	the average of the Last Reported Sale Prices of Common Stock over the first ten consecutive Trading Day period after the effective date of the Spin-Off.

 The adjustment to the Conversion Rate under the preceding paragraph will occur on the tenth
Trading Day from, and including, the effective date of the Spin-Off; provided that in respect of any conversion within the 10 Trading Days following the effective date of any Spin-Off, references within this Section 6.04(c) to “10
days” shall be deemed replaced with such lesser number of Trading Days as have elapsed between the effective date of such Spin-Off and the Conversion Date in determining the applicable Conversion Rate. 
 (d) If any cash dividend or other distribution is made to all holders of Common Stock, the Conversion Rate shall be adjusted based on the following
formula: 
  

					
	CR’= CR0 x 	  	SP0	  	
	  	SP0 – C	  	

 where 
  

					
	 CR0
	  	=	  	the Conversion Rate in effect immediately prior to the Ex-Date for such distribution;
			
	 CR’
	  	=	  	the Conversion Rate in effect immediately after the Ex-Date for such distribution;

  

 60 

					
			
	 SP0
	  	=	  	the Last Reported Sale Price of a share of Common Stock on the Trading Day immediately preceding the Ex-Date for such distribution; and
			
	 C
	  	=	  	the amount in cash per share the Company distributes to holders of Common Stock.

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

					
	  
 CR’= CR0 x 
	  	AC + (SP’ x OS’)	  	
	  	OS0 x SP’	  	

 where 
  

					
			
	 CR0
	  	=	  	the Conversion Rate in effect on the date the tender or exchange offer expires;
			
	 CR’
	  	=	  	the Conversion Rate in effect on the day next succeeding the date the tender or exchange offer expires;
			
	 AC
	  	=	  	the aggregate value of all cash and any other consideration (as determined by the Board of Directors) paid or payable for shares purchased in such tender or exchange offer;
			
	 OS0
	  	=	  	the number of shares of Common Stock outstanding immediately prior to the date such tender or exchange offer expires;
			
	 OS’
	  	=	  	the number of shares of Common Stock outstanding immediately after the date such tender or exchange offer expires; and
			
	 SP’
	  	=	  	the average of the Last Reported Sale Prices of Common Stock over the 10 consecutive Trading Day period commencing on the Trading Day next succeeding the date such tender or exchange offer
expires.

 The adjustment to the Conversion Rate under this Section 6.04(e) shall occur on the tenth Trading Day from,
and including, the Trading Day next succeeding the date such tender or exchange offer expires; provided that in respect of any 

  

 61 

 
conversion within the 10 Trading Days beginning on the Trading Day next succeeding the date the tender or exchange offer expires, references within this
Section 6.04(e) to “10 days” shall be deemed replaced with such lesser number of Trading Days as have elapsed between the Trading Day next succeeding the date the tender or exchange offer expires and the Conversion Date in determining
the applicable Conversion Rate. 
 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
had not been made. 
 (f) No adjustment to the Conversion Rate will be required unless the adjustment would require an increase or decrease
of at least 1% of the Conversion Rate. If the adjustment is not made because the adjustment does not change the Conversion Rate by at least 1%, then the adjustment that is not made will be carried forward and taken into account in any future
adjustment. All required calculations will be made to the nearest cent or 1/1000th of a share of Common Stock. 
 (g) As used in this
Section 6.04, “Ex-Date” shall mean the first date on which the shares of the Common Stock trade on the applicable exchange or in the applicable market, regular way, without the right to receive the issuance or distribution in
question. 
 (h) For purposes of this Section 6.04, “record date” shall mean, with respect to any dividend,
distribution or other transaction or event in which the holders of Common Stock have the right to receive any cash, securities or other property or in which the Common Stock (or other applicable security) is exchanged for or converted into any
combination of cash, securities or other property, the date fixed for determination of stockholders entitled to receive such cash, securities or other property (whether such date is fixed by the Board of Directors or by statute, contract or
otherwise). 
 (i) The Company from time to time may increase the Conversion Rate by any amount for a period of at least 20 days and the
Board of Directors shall have made a determination that such increase would be in the best interests of the Company, which determination shall be conclusive. Whenever the Conversion Rate is increased pursuant to this Section 6.04(i), the
Company shall mail to Holders of record of the Securities a notice of the increase at least 15 days prior to the date the increased Conversion Rate takes effect, and such notice shall state the increased Conversion Rate and the period during which
it will be in effect. 
  

 62 

 (j) The Company may (but is not required to) make such increases in the Conversion Rate, in addition to
any adjustments required by Section 6.04(a), 6.04(b), 6.04(c), 6.04(d), 6.04(e) or 6.04(i), as the Board of Directors considers to be advisable to avoid or diminish income tax to holders of Common Stock or rights to purchase shares of Common
Stock in connection with any dividend or distribution of stock (or rights to acquire shares) or from any event treated as such for income tax purposes. 
 (k) All calculations under this Article 6 shall be made by the Company. No adjustment shall be made for the Company’s issuance of Common Stock or securities convertible into or exchangeable for shares of Common
Stock or rights to purchase Common Stock or convertible or exchangeable securities, other than as provided in this Section 6.04. 
 (l)
Whenever the Conversion Rate is adjusted as herein provided, the Company shall promptly file with the Trustee and any Conversion Agent an Officers’ Certificate setting forth the Conversion Rate after such adjustment and setting forth a brief
statement of the facts requiring such adjustment. Unless and until a Responsible Officer of the Trustee shall have received such Officers’ Certificate, the Trustee shall not be deemed to have knowledge of any adjustment of the Conversion Rate
and may assume without inquiry that the last Conversion Rate of which it has knowledge is still in effect. Promptly after delivery of such certificate, the Company shall prepare a notice of such adjustment of the Conversion Rate setting forth the
adjusted Conversion Rate and the date on which each adjustment becomes effective and shall mail such notice of such adjustment of the Conversion Rate to each Securityholder at such Holder’s last address appearing on the list of Securityholders
provided for in Section 3.06, within 20 days after execution thereof. Failure to deliver such notice shall not affect the legality or validity of any such adjustment. 
 (m) For purposes of this Section 6.04, the number of shares of Common Stock at any time outstanding shall not include shares held in the treasury of
the Company so long as the Company does not pay any dividend or make any distribution on shares of Common Stock held in the treasury of the Company, but shall include shares issuable in respect of scrip certificates issued in lieu of fractions of
shares of Common Stock. 
 (n) No adjustment to the Conversion Rate shall be made pursuant to this Section 6.04 if the Holders of the
Securities may participate in the transaction (based on the Conversion Rate) that would otherwise give rise to an adjustment pursuant to this Section 6.04 without having to convert their Securities. 
 (o) Notwithstanding the foregoing, if the application of the foregoing formulas would result in a decrease in the Conversion Rate (other than as a result
of a stock split or a stock dividend), no adjustment to the Conversion Rate shall be made. 
  

 63 

 (p) Notwithstanding anything to the contrary in this Article 6, no adjustment to the Conversion Rate
shall be made: 
 (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 optional amounts in shares of Common Stock under any plan; 
 (ii) upon the issuance of any shares of Common Stock or options or rights to purchase those shares pursuant to any present or future
employee, director or consultant benefit plan or program of or assumed by the Company or any Subsidiary; 
 (iii) upon the
issuance of any shares of Common Stock pursuant to any option, warrant, right or exercisable, exchangeable or convertible security not described in (ii) above outstanding as of the date the Securities were first issued; 
 (iv) for a change in the par value of the Common Stock; 
 (v) for accrued and unpaid interest, including Additional Interest, if any; or 
 (vi) for the avoidance of doubt, for the issuance of Common Stock by the Company (other than to all or substantially all holders of Common
Stock) or the payment of cash by the Company upon conversion or repurchase of Securities. 
 Section 6.05. Adjustments of Average Prices.
Whenever a provision of this Indenture requires the calculation of an average of Last Reported Sale Prices or Daily VWAP over a span of multiple days, the Company shall make appropriate adjustments to account for any adjustment to the Conversion
Rate that becomes effective, or any event requiring an adjustment to the Conversion Rate that becomes effective, or any event requiring an adjustment to the Conversion Rate where the Ex-Date of the event occurs, at any time during the period from
which the average is to be calculated. 
 Section 6.06. Adjustments Upon Certain Fundamental Changes. 
 (a) If (i) a Holder elects to convert Securities as described in Section 6.01(a)(iv) in connection with a corporate transaction as specified
thereunder and such corporate transaction constitutes a Fundamental Change described in clause (1) or (2) of the definition thereof, the Conversion Rate will be increased by an 

  

 64 

 
additional number of shares of Common Stock (the “Additional Shares”) as described below. Any conversion will be deemed to have occurred
“in connection with” such Fundamental Change only if such Securities are surrendered for conversion at a time when the Securities would be convertible in light of the expected or actual occurrence of a Fundamental Change and
notwithstanding the fact that a Security may then be convertible because another condition to conversion has been satisfied. 
 (b) The
number of Additional Shares by which the Conversion Rate will be increased will be determined by reference to the table attached as Schedule A hereto, based on the date on which the Fundamental Change occurs or becomes effective (the
“Effective Date”) and the price (the “Stock Price”) paid per share of Common Stock in the Fundamental Change. If the Fundamental Change is a transaction described in clause (2) of the definition thereof, and
holders of Common Stock receive only cash in such Fundamental Change, the Stock Price shall be the cash amount paid per share. Otherwise, the Stock Price shall be the average of the Last Reported Sale Prices of Common Stock over the five Trading Day
period ending on the Trading Day preceding the Effective Date of the Fundamental Change. 
 (c) The Stock Prices set forth in the first row
of the table in Schedule A hereto shall be adjusted as of any date on which the Conversion Rate of the Securities is otherwise adjusted. The adjusted Stock Prices shall equal the Stock Prices applicable immediately prior to such adjustment,
multiplied by a fraction, the numerator of which is the Conversion Rate immediately prior to such adjustment and the denominator of which is the Conversion Rate as so adjusted. The number of Additional Shares set forth in such table will be adjusted
in the same manner as the Conversion Rate as set forth in Section 6.04. 
 (d) The table in Schedule A hereto sets forth the
hypothetical stock price, the Effective Date and the number of Additional Shares to be added to the Conversion Rate per $1,000 Principal Amount of Securities. 
 The exact Stock Prices and Effective Dates may not be set forth in the table in Schedule A, in which case: 
 (i) If the Stock Price is between two Stock Price amounts in the table or the Effective Date is between two Effective Dates in the table, the number of Additional Shares will be determined by a straight-line
interpolation between the number of Additional Shares set forth for the higher and lower Stock Price amounts and the two dates, as applicable, based on a 365-day year. 
  

 65 

 (ii) If the Stock Price is greater than $100.00 per share (subject to adjustment in the
same manner as the Conversion Rate as set forth in Section 6.04), no Additional Shares will be added to the Conversion Rate. 
 (iii) If the Stock Price is less than $3.49 per share (subject to adjustments in the same manner as the Conversion Rate as set forth in Section 6.04), no Additional Shares will be added to the Conversion Rate. 
 Notwithstanding the foregoing, in no event will the total number of shares of Common Stock issuable upon conversion exceed 286.2620 shares of Common
Stock per $1,000 Principal Amount of Securities, subject to adjustments in the same manner as the Conversion Rate as set forth in Section 6.04. 
 Section 6.07. Effect of Recapitalization, Reclassification, Consolidation, Merger or Sale. If any of the following events occur: 
 (i) any recapitalization, reclassification or change of shares of Common Stock issuable upon conversion of the Securities (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, or any other change for which an adjustment is provided in Section 6.04(c)); 
 (ii) any consolidation, merger or combination to which the Company is a party other than a merger in which the Company is the continuing
corporation and which does not result in any recapitalization, reclassification of, or change (other than 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) in
outstanding shares of Common Stock; or 
 (iii) any sale, lease or other transfer of all or substantially all of the
consolidated properties and assets of the Company and its Subsidiaries to any other Person or any statutory share exchange; 
 in each case
of clauses (i) – (iii) as a result of which holders of Common Stock shall be entitled to receive stock, other securities or other property or assets (including cash or any combination of the foregoing) with respect to or in exchange
for such Common Stock, 
 then at the effective time of such transaction, the Company or the successor or purchasing person, as the case may be, shall
execute with the Trustee a supplemental indenture (which shall comply with the Trust Indenture Act as in force at the date of execution of such supplemental indenture) providing that the Securities shall be convertible into the kind and amount of
shares of stock, other securities or other property or assets (including cash or any combination thereof) receivable upon such recapitalization, reclassification, change, consolidation, 

  

 66 

 
merger, combination, sale, lease or other transfer by a holder of a number of shares of Common Stock equal to the Conversion Rate immediately prior to such
recapitalization, reclassification, change, consolidation, merger, combination, sale, lease or other transfer (the “Reference Property”). However, if, at the effective time of such transaction, settlement of Securities converted
were to be in cash and shares of Common Stock as described under Section 6.03, a Securityholder will be entitled thereafter to convert its Securities into cash (up to the aggregate Principal Amount thereof) and the same type (and in the same
proportion) of Reference Property, based on the Settlement Amount, in an amount equal to the applicable Conversion Rate, as described under Section 6.03. If the transaction causes Common Stock to be converted into the right to receive more than
a single type of consideration (determined based in part upon any from of stockholder election), the Reference Property into which the Securities will be convertible shall be deemed to be the weighted average of the types and amounts of
consideration received by the holders of Common Stock that affirmatively make such election. However, at and after the effective time of the transaction, the amount otherwise payable in cash upon conversion of the Securities will continue to be
payable in cash, and the Daily Conversion Value shall be calculated based on the value of the Reference Property. The Company shall not become a party to any such transaction unless its terms are consistent with this Section 6.07. Such
supplemental indenture shall provide for adjustments which shall be as nearly equivalent as may be practicable to the adjustments provided for in this Article 6. If, in the case of any such recapitalization, reclassification, change, consolidation,
merger, combination, sale, lease or other transfer, the stock, the Reference Property receivable thereupon by a holder of Common Stock includes shares of stock, other securities or other property or assets (including cash or any combination thereof)
of a corporation other than the successor or purchasing corporation, as the case may be, in such reclassification, change, consolidation, merger, combination, sale or conveyance, then such supplemental indenture shall also be executed by such other
corporation and shall contain such additional provisions to protect the interests of the Holders of the Securities as the Board of Directors shall reasonably consider necessary by reason of the foregoing. 
 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 Security 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 shall similarly apply to successive reclassifications, changes, consolidations, mergers, combinations, sales and conveyances. If this Section 6.07 applies to any event or occurrence, Section 6.04 shall not apply. 
  

 67 

 Section 6.08. Taxes on Shares Issued. Any issue of stock certificates on conversions of Securities
shall be made without charge to the converting Holder for any documentary, transfer, stamp or any similar tax in respect of the issue thereof, and the Company shall pay any and all documentary, stamp or similar issue or transfer taxes that may be
payable in respect of the issue or delivery of shares of Common Stock on conversion of 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
and delivery of stock in any name other than that of the Holder of any Securities converted, and the Company shall not be required to issue or deliver any such stock certificate unless and until the person or persons requesting the issue thereof
shall have paid to the Company the amount of such tax or shall have established to the satisfaction of the Company that such tax has been paid. 
 Section 6.09. Reservation of Shares; Shares to be Fully Paid; Compliance With Governmental Requirements; Listing of Common Stock. The Company shall provide, free from preemptive rights, out of its authorized but unissued shares or
shares held in treasury, sufficient shares of Common Stock to provide for the conversion of the Securities from time to time as such Securities are presented for conversion (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). 
 Before taking any action that would cause an adjustment increasing the
Conversion Rate to an amount that would cause the Conversion Price to be reduced below the then par value, if any, of the shares of Common Stock issuable upon conversion of the Securities, the Company will take all corporate action which may, in the
opinion of its counsel, be necessary in order that the Company may validly and legally issue shares of such Common Stock at such adjusted Conversion Price. 
 The Company covenants that all shares of Common Stock that may be issued upon conversion of Securities shall be newly issued shares or treasury shares, shall be duly authorized, validly issued, fully paid and
non-assessable and shall be free from preemptive rights and free from any tax, lien or charge (other than those created by the Holder). 
 The Company shall use its reasonable efforts to list or cause to have quoted any shares of Common Stock to be issued upon conversion of Securities on each national securities exchange or over-the-counter or other domestic market on which
the Common Stock is then listed or quoted. 
 Section 6.10. Responsibility of Trustee. The Trustee and any other Conversion Agent
shall not at any time be under any duty or responsibility to any Securityholder to determine the Conversion Rate or whether any facts exist which may require any adjustment of the Conversion Rate, or with respect to the nature 

  

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or extent or calculation of any such adjustment when made, or with respect to the method employed, or herein or in any supplemental indenture provided to be
employed, in making the same. The Trustee and any other Conversion Agent shall not be accountable with respect to the validity or value (or the kind or amount) of any shares of Common Stock, or of any securities or property, which may at any time be
issued or delivered upon the conversion of any Securities; and the Trustee and any other Conversion Agent make no representations with respect thereto. Neither the Trustee nor any Conversion Agent shall be responsible for any failure of the Company
to issue, transfer or deliver any shares of Common Stock or stock certificates or other securities or property or cash upon the surrender of any Securities for the purpose of conversion or to comply with any of the duties, responsibilities or
covenants of the Company contained in this Article 6. Without limiting the generality of the foregoing, neither the Trustee nor any Conversion Agent shall be under any responsibility to determine the correctness of any provisions contained in any
supplemental indenture entered into pursuant to Section 6.07 relating either to the kind or amount of shares of stock or securities or property (including cash or any combination thereof) receivable by Holders upon the conversion of their
Securities after any event referred to in such Section 6.07 or to any adjustment to be made with respect thereto, but, subject to the provisions of Section 10.01, may accept as conclusive evidence of the correctness of any such provisions,
and shall be protected in relying upon, the Officers’ Certificate (which the Company shall be obligated to file with the Trustee prior to the execution of any such supplemental indenture) with respect thereto. 
 Section 6.11. Notice to Holders Prior to Certain Actions. In case: 
 (a) the Company shall declare a dividend (or any other distribution) on its Common Stock that would require an adjustment in the Conversion Rate pursuant to Section 6.04; or 
 (b) the Company shall authorize the granting to the holders of all of its Common Stock of rights or warrants to subscribe for or purchase any share of
any class or any other rights or warrants; or 
 (c) of any reclassification or reorganization of the Common Stock of the Company (other than
a subdivision or combination of its outstanding Common Stock, or a change in par value, or from par value to no par value, or from no par value to par value), or of any consolidation or merger to which the Company is a party and for which approval
of any stockholders of the Company is required, or of the sale, lease or transfer of all or substantially all of the assets of the Company or any of its Significant Subsidiaries; or 
 (d) of the voluntary or involuntary dissolution, liquidation or winding up of the Company or any of its Significant Subsidiaries; 
  

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 then, in each case, the Company shall cause to be filed with the Trustee and the Conversion Agent and to be mailed to
each Securityholder at such Holder’s address appearing on the list of Securityholders provided for in Section 3.06 of this Indenture, as promptly as practicable but in any event 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 such dividend, distribution or rights or warrants, or, if a record is not to be taken, the date as of which the holders of Common Stock of record to be
entitled to such dividend, distribution or rights are to be determined, or (y) the date on which such reclassification, consolidation, merger, sale, lease, transfer, dissolution, liquidation or winding up is expected to become effective or
occur, and the date as of which it is expected that holders of Common Stock of record shall be entitled to exchange their Common Stock for securities or other property deliverable upon such reclassification, consolidation, merger, sale, transfer,
dissolution, liquidation or winding up. Failure to give such notice, or any defect therein, shall not affect the legality or validity of such dividend, distribution, reclassification, consolidation, merger, sale, transfer, dissolution, liquidation
or winding up. 
 Section 6.12. Stockholder Rights Plan. Each share of Common Stock issued upon conversion of Securities pursuant to
this Article 6 shall be entitled to receive the appropriate number of rights, if any, and the certificates representing the Common Stock issued upon such conversion shall bear such legends, if any, in each case as may be provided by the terms of any
stockholder rights plan adopted by the Company, as the same may be amended from time to time. If at the time of conversion, however, the rights have separated from the shares of Common Stock in accordance with the provisions of the applicable
stockholder rights agreement so that the Holders of the Securities would not be entitled to receive any rights in respect of Common Stock issuable upon conversion of the Securities, the Conversion Rate will be adjusted at the time of separation as
if the Company has distributed to all holders of Common Stock, shares of Capital Stock of the Company, evidence of indebtedness or assets as provided in Section 6.04(c), subject to readjustment in the event of the expiration, termination or
redemption of such rights. 
 Section 6.13. Company Determination Final. Any determination that the Company or its Board of Directors
must make pursuant to this Article 6 shall be conclusive if made in good faith and in accordance with the provisions of this Article 6, absent manifest error, and set forth in a Board Resolution. 
  

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 ARTICLE 7 
 EVENTS OF DEFAULT; REMEDIES 
 Section 7.01.
Events of Default. “Event of Default,” wherever used herein, means any one of the following events: 
 (a) default in
the payment of interest, including any Additional Interest (as required by the Registration Rights Agreement), on any Security when due and payable and the default continues for a period of 30 days; 
 (b) default in the payment of the Principal Amount of any Security when due and payable at Stated Maturity, upon required repurchase upon a Fundamental
Change, upon declaration or otherwise; 
 (c) failure by the Company to comply with its obligation to convert the Securities into cash and
shares of Common Stock, if any, upon exercise of a Holder’s conversion right in accordance with Article 6 hereof, and such failure continues for a period of ten days; 
 (d) failure by the Company to give a Fundamental Change Company Notice or notice to Holders required pursuant to Section 6.01(a)(iii) or
Section 6.01(a)(iv), in each case on the date such notice is due; 
 (e) failure by the Company to comply with its obligations in
Article 8; 
 (f) default in the observance or performance of any covenant of the Company in this Indenture, and such default continues for a
period of 90 days after there has been given, by registered or certified mail, to the Company by the Trustee or to the Company and the Trustee by the Holders of at least 25% in Principal Amount of the Outstanding Securities a written notice, in each
case received by the Company (and the Trustee, if applicable), specifying such default and requiring it to be remedied and stating that such notice is a “Notice of Default” hereunder; 
 (g) failure to pay when due at Stated Maturity, or default by the Company or any Subsidiary in the payment of the principal or interest on any mortgage,
agreement or other instrument which results in the acceleration of maturity, in each case of any indebtedness for money borrowed in excess of $25,000,000 in the aggregate of the Company and/or any such Subsidiary, whether such indebtedness now
exists or is hereafter created (but excluding intercompany indebtedness), unless such failure is cured or such acceleration is rescinded, stayed or annulled within 10 days after written notice of default is received by the Company from the Trustee
or the Holders of at least 25% in Principal Amount of the Securities then outstanding; 
  

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 (h) the entry by a court having jurisdiction in the premises of (i) a decree or order for relief in
respect of the Company in an involuntary case or proceeding under any applicable federal or state bankruptcy, insolvency, reorganization or other similar law, (ii) a decree or order adjudging the Company or a Significant Subsidiary of the
Company as bankrupt or insolvent, or approving as properly filed a petition seeking reorganization, arrangement, adjustment or composition of or in respect of the Company under any applicable federal or state law or (iii) appointing a
custodian, receiver, liquidator, assignee, trustee, sequestrator or other similar official of the Company or of a Significant Subsidiary of the Company 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; 
 (i) the commencement by the Company or by a Significant Subsidiary of the Company of a voluntary case or proceeding under any applicable federal or state 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 it to the entry of a decree or order for relief in respect of the Company or of a Significant Subsidiary of the Company in an involuntary case or proceeding
under any applicable federal or state bankruptcy, insolvency, reorganization or other similar law or to the commencement of any bankruptcy or insolvency case or proceeding against it, or the filing by it of a petition or answer or consent seeking
reorganization or relief under any applicable federal or state law, or the consent by it to the filing of such petition or to the appointment of or taking possession by a custodian, receiver, liquidator, assignee, trustee, sequestrator or other
similar official of the Company or of a Significant Subsidiary of the Company or of any substantial part of its property, or the making by it of an assignment for the benefit of creditors, or the admission by it in writing of its inability to pay
its debts generally as they become due, or the taking of corporate action by the Company or by a Significant Subsidiary of the Company in furtherance of any such action; or 
 (j) a final judgment for the payment of $10 million or more (excluding any amounts covered by insurance) rendered against the Company or any Significant
Subsidiary, which judgment is not discharged or stayed within 60 days after (i) the date on which the right to appeal thereof has expired if no such appeal has commenced, or (ii) the date on which all rights to appeal have been
extinguished. 
 Section 7.02. Acceleration of Maturity; Rescission and Annulment. 
 (a) If an Event of Default (other than those specified in Section 7.01(h) and 7.01(i)) occurs and is continuing, then and in every such case the
Trustee or the Holders of not less than 25% in aggregate Principal Amount of the 

  

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Outstanding Securities may (and the Trustee upon request of such Holders shall) declare 100% of the Principal Amount plus accrued and unpaid interest,
including Additional Interest, on all the Outstanding Securities to be due and payable immediately, by a notice in writing to the Company (and to the Trustee if given by Holders), and upon any such declaration such Principal Amount plus accrued and
unpaid interest, including Additional Interest, shall become immediately due and payable. 
 Notwithstanding the foregoing, in the case of an
Event of Default specified in Section 7.01(h) or Section 7.01(i)), the 100% of Principal Amount plus accrued and unpaid interest, including Additional Interest, on all Outstanding Securities will ipso facto become due and payable
immediately without any declaration or other act on the part of the Trustee or any Holder. 
 (b) At any time after such a declaration of
acceleration has been made, the Holders of a majority in aggregate Principal Amount of the Outstanding Securities, by written notice to the Company and the Trustee, may waive all past Defaults and rescind and annul such declaration with respect to
the Securities and its consequences (other than with respect to an Event of Default under Sections 7.01(a) or 7.01(b)) if: 
 (i) such rescission and annulment will not conflict with any judgment or decree of a court of competent jurisdiction; and 
 (ii) all Events of Default, other than the non-payment of the Principal Amount plus accrued and unpaid interest, including Additional interest, on Securities that have become due solely by such declaration of acceleration, have been cured
or waived as provided in Section 7.12. 
 No such rescission shall affect any subsequent default or impair any right consequent thereon.

 Section 7.03. Collection of Indebtedness and Suits for Enforcement by Trustee. The Company covenants that if a Default is made in
the payment of the Principal Amount plus accrued and unpaid interest, including Additional Interest, at the Maturity thereof or in the payment of the Fundamental Change Purchase Price in respect of any Security, the Company will, upon demand of the
Trustee, pay to it, for the benefit of the Holders of such Securities, the whole amount then due and payable on such Securities, and, in addition thereto, such further amounts required pursuant to Section 7.07. 
 If an Event of Default occurs and is continuing, the Trustee may, but shall not be obligated to, pursue any available remedy to collect the payment of
the Principal Amount plus accrued but unpaid interest, including Additional Interest, on the Securities or to enforce the performance of any provision of the Securities 

  

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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 Holder 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 7.04. Trustee May File Proofs of Claim. In
case of any judicial proceeding relative to the Company (or any other obligor upon the Securities), its property or its creditors, the Trustee shall be entitled and empowered, by intervention in such proceeding or otherwise, to take any and all
actions authorized under the Trust Indenture Act in order to have claims of the Holders and the Trustee allowed in any such proceeding. In particular, the Trustee shall be authorized to collect and receive any moneys or other property payable or
deliverable on any such claims and to distribute the same; and any custodian, receiver, assignee, trustee, liquidator, sequestrator or other similar official in any such judicial proceeding is hereby authorized by each Holder to make such payments
to the Trustee and, in the event that the Trustee shall consent to the making of such payments directly to the Holders, to pay to the Trustee any amount due it for the reasonable compensation, expenses, disbursements and advances of the Trustee, its
agents and counsel and any other amounts due the Trustee under Section 10.07. 
 No provision of this Indenture shall be deemed to
authorize the Trustee to authorize or consent to or accept or adopt on behalf of any Holder any plan of reorganization, arrangement, adjustment or composition affecting the 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 7.05. Application of Money and Property Collected.
Any money and property collected by the Trustee pursuant to this Article shall be applied in the following order, at the date or dates fixed by the Trustee and, in case of the distribution of such money or property to Holders, upon presentation
of the Securities and the notation thereon of the payment if only partially paid and upon surrender thereof if fully paid: 
 FIRST: To the payment of all amounts due the Trustee under Section 10.07; 
 SECOND: To the payment of the
amounts then due and unpaid on the Securities for the Principal Amount, Fundamental Change Purchase Price or interest, including Additional Interest, as the case may be, in respect of which or for the benefit of which such money has been collected,
ratably, without preference or priority of any kind, according to the amounts due and payable on such Securities; and 
  

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 THIRD: To the payment of the remainder, if any, to the Company or any other Person
lawfully entitled thereto. 
 Section 7.06. Limitation on Suits. No Holder of any Security shall have any right to institute any
proceeding, judicial or otherwise, with respect to this Indenture or the Securities, or for the appointment of a receiver or trustee, or for any other remedy hereunder (other than in the case of an Event of Default specified in Section 7.01(a)
or Section 7.01(b)), unless: 
 (i) such Holder has previously given written notice to the Trustee of a continuing Event
of Default; 
 (ii) the Holders of not less than 25% in aggregate Principal Amount of the Outstanding Securities shall have
made written request to the Trustee to pursue such remedy in its own name as Trustee hereunder; 
 (iii) such Holder or
Holders have provided to the Trustee security or indemnity reasonably satisfactory to it against the expenses, losses and liabilities to be incurred in compliance with such request; 
 (iv) the Trustee for 60 days after its receipt of such notice, request and provision of security or indemnity has failed to institute any
such proceeding; and 
 (v) no direction, in the opinion of the Trustee, inconsistent with such written request has been given
to the Trustee during such 60-day period by the Holders of a majority in aggregate Principal Amount of the Outstanding Securities; 
 it being understood and
intended that no one or more Holders shall have any right in any manner whatever by virtue of, or by availing itself of, any provision of this Indenture to affect, disturb or prejudice the rights of any other Holders, or to obtain or to seek to
obtain priority or preference over any other Holders or to enforce any right under this Indenture, except in the manner herein provided and for the equal and ratable benefit of all the Holders. 
 Section 7.07. Unconditional Right of Holders to Receive Payment. Notwithstanding any other provision of this Indenture, the right of any Holder to
receive payment of the Principal Amount, Fundamental Change Purchase Price or accrued and unpaid interest in respect of the Securities held by such Holder, on or after the respective due dates expressed in the Securities or any Fundamental Change
Purchase Date, as applicable, and to convert the Securities in accordance with Article 6, 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. 
  

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 Section 7.08. Restoration of Rights and Remedies. If the Trustee or any Holder has instituted any
proceeding to enforce any right or remedy under this Indenture and such proceeding has been discontinued or abandoned for any reason, or has been determined adversely to the Trustee or to such Holder, then and in every such case, subject to any
determination in such proceeding, the Company, the Trustee and the Holders shall be restored severally and respectively to their former positions hereunder and thereafter all rights and remedies of the Trustee and the Holders shall continue as
though no such proceeding had been instituted. 
 Section 7.09. Rights and Remedies Cumulative. Except as otherwise provided with
respect to the replacement or payment of mutilated, destroyed, lost or stolen Securities in the last paragraph of Section 3.07, no right or remedy herein conferred upon or reserved to the Trustee or to the Holders is intended to be exclusive of
any other right or remedy, and every right and remedy shall, to the extent permitted by law, be cumulative and in addition to every other right and remedy given hereunder or now or hereafter existing at law or in equity or otherwise. The assertion
or employment of any right or remedy hereunder shall not prevent the concurrent assertion or employment of any other appropriate right or remedy. 
 Section 7.10. Delay or Omission Not Waiver. No delay or omission of the Trustee or of any Holder of any Security to exercise any right or remedy accruing upon any Event of Default shall impair any such right or remedy or constitute a
waiver of any such Event of Default or an acquiescence therein. Every right and remedy given by this Article or by law to the Trustee or to the Holders may be exercised from time to time, and as often as may be deemed expedient, by the Trustee or by
the Holders, as the case may be. 
 Section 7.11. Control by Holders. The Holders of a majority in Principal Amount of the Outstanding
Securities shall have the right to direct the time, method and place of conducting any proceeding for any remedy available to the Trustee or exercising any trust or power conferred on the Trustee, provided that: 
 (i) such direction shall not be in conflict with any rule of law or with this Indenture; and 
 (ii) the Trustee may refuse to follow any such direction that the Trustee determines is unduly prejudicial to the rights of any other
Holder or that would involve the Trustee in personal liability. 
  

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 Section 7.12. Waiver of Past Defaults. The Holders of not less than a majority in Principal Amount
of the Outstanding Securities may on behalf of the Holders of all the Securities waive any past Default hereunder and its consequences, except a Default: 
 (i) Described in Section 7.01(a) or Section 7.01(b); or 
 (ii) in respect of a
covenant or provision hereof which under Article 13 cannot be modified or amended without the consent of the Holder of each Outstanding Security affected. 
 Upon any such waiver, such Default shall cease to exist, and any Event of Default arising therefrom shall be deemed to have been cured, for every purpose of this Indenture; but no such waiver shall extend to any
subsequent or other Default or impair any right consequent thereon. 
 Section 7.13. 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, in either case in respect of the Securities, a court may require any party litigant in such suit to file an
undertaking to pay the costs of the suit, and the court may assess reasonable costs, including reasonable attorney’s 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; but the provisions of this Section 7.13 shall not apply to any suit instituted by the Company, to any suit instituted by the Trustee, to any suit instituted by any Holder, or group of Holders, holding in the
aggregate more than 10% in Principal Amount of the Outstanding Securities, or to any suit instituted by any Holder for the enforcement of the payment of the Principal Amount on any Security on or after Maturity of such Security or the Fundamental
Change Purchase Price. 
 Section 7.14. Waiver of Stay or Extension Laws. The Company covenants (to the extent that it may lawfully do
so) that it will not at any time insist upon, or plead, or in any manner whatsoever claim or take the benefit or advantage of, any stay, extension or usury law or other law which would prohibit or forgive the Company from paying all or any portion
of the principal of or interest, including Additional Interest, if any, on the Securities as contemplated herein, wherever enacted, now or at any time hereafter in force, or which may affect the covenants or the performance of this Indenture; and
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. 
  

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 Section 7.15. Notice of Default. The Trustee may withhold notice to the Holders of the Securities
of any Event of Default, except defaults in payment of Principal Amount or interest, including Additional Interest, if any, on the Securities, if and so long as a committee of the trust officers of the Trustee in good faith determines that the
withholding of such notice is in the interest of the Holders of the Securities. 
 ARTICLE 8 
 CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE 

Section 8.01. Company May Consolidate, etc., Only on Certain Terms. The Company shall not consolidate with or merge with or into, or convey,
transfer or lease all or substantially all of its properties and assets to, any Person, unless: 
 (a) the resulting, surviving or transferee
Person, if not the Company (the “Successor Company”), is a Person organized and existing under the laws of the United States of America, any state thereof or the District of Columbia, and the Successor Company (if not the Company
itself) expressly assumes, by a supplemental indenture, executed and delivered to the Trustee, in form reasonably satisfactory to the Trustee, all of the obligations of the Company under the Securities, this Indenture and, to the extent then still
operative, the Registration Rights Agreement; and 
 (b) immediately after giving effect to such transaction, no Event of Default shall have
occurred and be continuing. 
 Section 8.02. Successor Substituted. Upon any consolidation of the Company with, or merger of the
Company with or into, any other Person or any conveyance, transfer or lease of the properties and assets of the Company substantially as an entirety in accordance with Section 8.01, the Successor Company formed by such consolidation or into
which the Company is merged or to which such conveyance, transfer or lease is made shall succeed to, and be substituted for, and may exercise every right and power of, the Company under this Indenture with the same effect as if such successor Person
had been named as the Company herein, and thereafter. 
  

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 ARTICLE 9 
 SUBORDINATION OF THE SECURITIES 
 Section 9.01.
Agreement of Subordination. 
 The Company covenants and agrees, and each Holder of Securities issued hereunder by its acceptance
thereof likewise covenants and agrees, that all Securities shall be issued subject to the provisions of this Article 9; and each Person holding any Security, whether upon original issue or upon transfer, assignment or exchange thereof, accepts and
agrees to be bound by such provisions. 
 The payment of the principal of, and the cash portion of the conversion obligation as set forth in
Article 6, and any interest on, all Securities (including, but not limited to, the Fundamental Change Purchase Price with respect to the Securities subject to purchase in accordance with Article 5 as provided in this Indenture) issued hereunder
shall, to the extent and in the manner hereinafter set forth, be subordinated and subject in right of payment to the prior payment in full, in cash or other payment satisfactory to the holders of Senior Indebtedness, of all Senior Indebtedness,
whether outstanding at the date of this Indenture or thereafter incurred. The Securities shall rank senior in right of payment to all Subordinated Indebtedness and equal in right of payment to all other Senior Subordinated Indebtedness. 

No provision of this Article 9 shall prevent the occurrence of any default or Event of Default hereunder. 
 Section 9.02. Payments to Holders. 
 No payment shall be made with respect to the principal of, or premium on, if any, the cash portion of the conversion obligation, if any, or interest on, the Securities (including, but not limited to, the Fundamental Change Purchase Price
with respect to the Securities subject to purchase in accordance with Article 5 as provided in this Indenture), except payments and distributions made by the Trustee as permitted by the first or second paragraph of Section 9.05, if: 

(i) a default in the payment of principal, premium, interest, rent or other obligations due on any Designated Senior Indebtedness
occurs and is continuing (or, in the case of Designated Senior Indebtedness for which there is a period of grace, in the event of such a default that continues beyond the period of grace, if any, specified in the instrument or lease evidencing such
Designated Senior Indebtedness), unless and until such default shall have been cured or waived or shall have ceased to exist; or 
 (ii) a default, other than a payment default, on any Designated Senior Indebtedness occurs and is continuing that then permits holders of such Designated Senior Indebtedness to accelerate its maturity and the Trustee receives a notice of
the default (a “Payment Blockage Notice”) from a Representative or holder of such Designated Senior Indebtedness, unless and until the earlier of (x) the date on which such default is cured or waived or ceases to exist or
(y) 179 days after the date on which the Payment Blockage Notice is received. 
  

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 If the Trustee receives any Payment Blockage Notice pursuant to clause (ii) above, no subsequent
Payment Blockage Notice shall be effective for purposes of this Section unless and until at least 365 days shall have elapsed since the initial effectiveness of the immediately prior Payment Blockage Notice and all scheduled payments on the
Securities that have come due have been paid in full in cash. No nonpayment default that existed or was continuing on the date of delivery of any Payment Blockage Notice to the Trustee (unless such default was waived, cured or otherwise ceased to
exist and thereafter subsequently reoccurred) shall be, or be made, the basis for a subsequent Payment Blockage Notice. 
 The Company may
and shall resume payments on and distributions in respect of the Securities upon the earlier of: 
 (a) in the case of a default referred to
in clause (i) above, the date upon which the default is cured or waived or ceases to exist, or 
 (b) in the case of a default referred
to in clause (ii) above, the earlier of the date on which such default is cured or waived or ceases to exist or 179 days after the date on which the applicable Payment Blockage Notice is received, if the maturity of such Designated Senior
Indebtedness has not been accelerated, unless this Article 9 otherwise prohibits the payment or distribution at the time of such payment or distribution. 
 Upon any payment by the Company, or distribution of assets of the Company of any kind or character, whether in cash, property or securities, to creditors upon any dissolution or winding-up or liquidation or
reorganization of the Company (whether voluntary or involuntary) or in bankruptcy, insolvency, receivership or similar proceedings, all amounts due or to become due upon all Senior Indebtedness shall first be paid in full, in cash or other payment
satisfactory to the holders of Senior Indebtedness, before any payment is made on account of the principal of, and premium, if any, the cash portion of the conversion obligation, if any, or interest on, the Securities (except payments made pursuant
to Article 12 from monies deposited with the Trustee pursuant thereto prior to commencement of proceedings for such dissolution, winding-up, liquidation or reorganization); and upon any such dissolution or winding-up or liquidation or reorganization
of the Company or bankruptcy, insolvency, receivership or other proceeding, any payment by the Company, or distribution of assets of the Company of any kind or character, whether in cash, property or securities, to which the Holders of the
Securities or the Trustee would be entitled, except for the provision of this Article 9, shall (except as aforesaid) be paid by the Company or by any receiver, trustee in bankruptcy, liquidating trustee, agent or 

  

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other Person making such payment or distribution, or by the Holders of the Securities or by the Trustee under this Indenture, if received by them or it,
directly to the holders of Senior Indebtedness (pro rata to such holders on the basis of the respective amounts of Senior Indebtedness held by such holders, or as otherwise required by law or a court order) or their Representative or
Representatives, or to the trustee or trustees under any indenture pursuant to which any instruments evidencing any Senior Indebtedness may have been issued, as their respective interests may appear, to the extent necessary to pay all Senior
Indebtedness in full, in cash or other payment satisfactory to the holders of Senior Indebtedness, after giving effect to any concurrent payment or distribution to or for the holders of Senior Indebtedness, before any payment or distribution is made
to the Holders of the Securities or to the Trustee. 
 For purposes of this Article 9, the words, “cash, property or securities”
shall not be deemed to include shares of stock of the Company, as reorganized or readjusted, or securities of the Company or any other corporation provided for by a plan of reorganization or readjustment, the payment of which is subordinated at
least to the extent provided in this Article 9 with respect to the Securities to the payment of all Senior Indebtedness which may at the time be outstanding; provided that (i) the Senior Indebtedness is assumed by the new corporation, if
any, resulting from any reorganization or readjustment and (ii) the rights of the holders of Senior Indebtedness (other than leases which are not assumed by the Company or the new corporation, as the case may be) are not, without the consent of
such holders, altered by such reorganization or readjustment. The consolidation of the Company with, or the merger of the Company into, another corporation or the liquidation or dissolution of the Company following the conveyance, transfer or lease
of its property as an entirety, or substantially as an entirety, to another corporation upon the terms and conditions provided for in Article 8 shall not be deemed a dissolution, winding-up, liquidation or reorganization for the purposes of this
Section 9.02 if such other corporation shall, as a part of such consolidation, merger, conveyance, transfer or lease, comply with the conditions stated in Article 8. 
 In the event of the acceleration of the Securities because of an Event of Default, no payment or distribution shall be made to the Trustee or any Holder of Securities in respect of the principal of, and premium, if
any, the cash portion of the conversion obligation, if any, or interest on, the Securities by the Company (including, but not limited to, the Fundamental Change Purchase Price with respect to the Securities subject to purchase in accordance with
Article 5 as provided in this Indenture), until all Senior Indebtedness has been paid in full in cash or other payment satisfactory to the holders of Senior Indebtedness or such acceleration is rescinded in accordance with the terms of this
Indenture. If payment of Securities is accelerated because of an Event of Default, the Company shall promptly notify holders of Senior Indebtedness of such acceleration. 
  

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 In the event that, notwithstanding the foregoing provisions, any payment or distribution of assets of the
Company of any kind or character, whether in cash, property or securities (including, without limitation, by way of setoff or otherwise), prohibited by the foregoing, shall be received by the Trustee or the Holders of the Securities before all
Senior Indebtedness is paid in full, in cash or other payment satisfactory to the holders of Senior Indebtedness, or provision is made for such payment thereof in accordance with its terms in cash or other payment satisfactory to the holders of
Senior Indebtedness, such payment or distribution shall be held in trust for the benefit of and shall be paid over or delivered to the holders of Senior Indebtedness or their Representative or Representatives, or to the trustee or trustees under any
indenture pursuant to which any instruments evidencing any Senior Indebtedness may have been issued, as their respective interests may appear, as calculated by the Company, for application to the payment of all Senior Indebtedness remaining unpaid
to the extent necessary to pay all Senior Indebtedness in full, in cash or other payment satisfactory to the holders of Senior Indebtedness, after giving effect to any concurrent payment or distribution to or for the holders of such Senior
Indebtedness. 
 Section 9.03. Subrogation of Securities. 
 Subject to the payment in full, in cash or other payment satisfactory to the holders of Senior Indebtedness, of all Senior Indebtedness, the rights of
the Holders of the Securities shall be subrogated to the extent of the payments or distributions made to the holders of such Senior Indebtedness pursuant to the provisions of this Article 9 (equally and ratably with the holders of all indebtedness
of the Company which by its express terms is subordinated to other indebtedness of the Company to substantially the same extent as the Securities are subordinated and is entitled to like rights of subrogation) to the rights of the holders of Senior
Indebtedness to receive payments or distributions of cash, property or securities of the Company applicable to the Senior Indebtedness until the principal of, and premium, if any, the cash portion of the conversion obligation, if any, and interest
on, the Securities shall be paid in full, in cash or other payment satisfactory to the holders of Senior Indebtedness; and, for the purposes of such subrogation, no payments or distributions to the holders of the Senior Indebtedness of any cash,
property or securities to which the Holders of the Securities or the Trustee would be entitled except for the provisions of this Article 9, and no payment over, pursuant to the provisions of this Article 9, to or for the benefit of the holders of
Senior Indebtedness by Holders of the Securities or the Trustee shall, as between the Company, its creditors other than holders of Senior Indebtedness and the Holders of the Securities, be deemed to be a payment by the Company to or on account of
the Senior Indebtedness; and no payments or distributions of cash, property or securities to or for the benefit of the Holders of the Securities pursuant to the subrogation provisions of this Article 9, which 

  

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would otherwise have been paid to the holders of Senior Indebtedness, shall be deemed to be a payment by the Company to or for the account of the Securities.
It is understood that the provisions of this Article 9 are and are intended solely for the purposes of defining the relative rights of the Holders of the Securities, on the one hand, and the holders of the Senior Indebtedness, on the other hand.

 Nothing contained in this Article 9 or elsewhere in this Indenture or in the Securities is intended to or shall impair, as among the
Company, its creditors other than the holders of Senior Indebtedness and the Holders of the Securities, the obligation of the Company, which is absolute and unconditional, to pay to the Holders of the Securities the principal of, and premium, if
any, the cash portion of the conversion obligation, if any, and any interest on the Securities as and when the same shall become due and payable in accordance with their terms, or is intended to or shall affect the relative rights of the Holders of
the Securities and creditors of the Company other than the holders of the Senior Indebtedness, nor shall anything herein or therein prevent the Trustee or the Holder of any Security from exercising all remedies otherwise permitted by applicable law
upon default under this Indenture, subject to the rights, if any, under this Article 9 of the holders of Senior Indebtedness in respect of cash, property or securities of the Company received upon the exercise of any such remedy. 
 Upon any payment or distribution of assets of the Company referred to in this Article 9, the Trustee and the Holders of the Securities shall be entitled
to rely upon any order or decree made by any court of competent jurisdiction in which such bankruptcy, dissolution, winding-up, liquidation or reorganization proceedings are pending, or a certificate of the receiver, trustee in bankruptcy,
liquidating trustee, agent or other person making such payment or distribution, delivered to the Trustee or to the Holders of the Securities, for the purpose of ascertaining the persons entitled to participate in such distribution, the holders of
the Senior Indebtedness and other indebtedness of the Company, the amount thereof or payable thereon and all other facts pertinent thereto or to this Article 9. 
 Section 9.04. Authorization to Effect Subordination. 
 Each Holder of a Security by the Holder’s
acceptance thereof authorizes and directs the Trustee on the Holder’s behalf to take such action as may be necessary or appropriate to effectuate the subordination as provided in this Article 9 and appoints the Trustee to act as the
Holder’s attorney-in-fact for any and all such purposes. 
 Section 9.05. Notice to Trustee. 
 The Company shall give prompt written notice in the form of an Officers’ Certificate to a Responsible Officer of the Trustee and to any Paying Agent
of any fact known to the Company which would prohibit the making of any payment of 

  

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monies to or by the Trustee or any Paying Agent in respect of the Securities pursuant to the provisions of this Article 9. Notwithstanding the provisions of
this Article 9 or any other provision of this Indenture, the Trustee shall not be charged with knowledge of the existence of any facts which would prohibit the making of any payment of monies to or by the Trustee in respect of the Securities
pursuant to the provisions of this Article 9, unless and until a Responsible Officer of the Trustee shall have received written notice thereof at the Corporate Trust Office from the Company (in the form of an Officers’ Certificate) or a
Representative or a holder or holders of Senior Indebtedness or from any trustee thereof; and before the receipt of any such written notice, the Trustee shall be entitled in all respects to assume that no such facts exist; provided that, if
on a date not less than one Business Day prior to the date upon which by the terms hereof any such monies may become payable for any purpose (including, without limitation, the payment of the principal of, or premium, if any, or interest on, any
Security) the Trustee shall not have received, with respect to such monies, the notice provided for in this Section 9.05, then, anything herein contained to the contrary notwithstanding, the Trustee shall have full power and authority to
receive such monies and to apply the same to the purpose for which they were received and shall not be affected by any notice to the contrary which may be received by it on or after such prior date. Notwithstanding anything in this Article 9 to the
contrary, nothing shall prevent any payment by the Trustee to the Holders of monies deposited with it pursuant to Article 12, and any such payment shall not be subject to the provisions of Article 9. 
 The Trustee shall be entitled to rely on the delivery to it of a written notice by a Representative or a person representing himself to be a holder of
Senior Indebtedness (or a trustee on behalf of such holder) to establish that such notice has been given by a Representative or a holder of Senior Indebtedness or a trustee on behalf of any such holder or holders. In the event that the Trustee
determines in good faith that further evidence is required with respect to the right of any person as a holder of Senior Indebtedness to participate in any payment or distribution pursuant to this Article 9, the Trustee may request such Person to
furnish evidence to the reasonable satisfaction of the Trustee as to the amount of Senior Indebtedness held by such Person, the extent to which such Person is entitled to participate in such payment or distribution and any other facts pertinent to
the rights of such Person under this Article 9, and if such evidence is not furnished the Trustee may defer any payment to such Person pending judicial determination as to the right of such Person to receive such payment. 
 Section 9.06. Trustee’s Relation to Senior Indebtedness. 
 The Trustee in its individual capacity shall be entitled to all the rights set forth in this Article 9 in respect of any Senior Indebtedness at any time held by it, to the same extent as any other holder of Senior
Indebtedness, and nothing in this Indenture shall deprive the Trustee of any of its rights as such holder. 
  

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 With respect to the holders of Senior Indebtedness, the Trustee undertakes to perform or to observe only
such of its covenants and obligations as are specifically set forth in this Article 9, and no implied covenants or obligations with respect to the holders of Senior Indebtedness shall be read into this Indenture against the Trustee. The Trustee
shall not be deemed to owe any fiduciary duty to the holders of Senior Indebtedness, and, except with respect to its express obligations under this Article 9, the Trustee shall not be liable to any holder of Senior Indebtedness if it shall pay over
or deliver to Holders of Securities, the Company or any other person money or assets to which any holder of Senior Indebtedness shall be entitled by virtue of this Article 9 or otherwise. 
 Section 9.07. No Impairment of Subordination. 
 No right of any present or future holder of any Senior Indebtedness to enforce subordination as herein provided shall at any time in any way be prejudiced or impaired by any act or failure to act on the part of the
Company or by any act or failure to act, in good faith, by any such holder or by any noncompliance by the Company with the terms, provisions and covenants of this Indenture, regardless of any knowledge thereof which any such holder may have or
otherwise be charged with. 
 Section 9.08. Certain Conversions Deemed Payment. 
 For the purposes of this Article 9 only, (1) the issuance and delivery of junior securities upon conversion of Securities in accordance with Article
6 shall not be deemed to constitute a payment or distribution on account of the principal of, or premium, if any, the cash portion of the conversion obligation, if any, or interest on, Securities or on account of the purchase or other acquisition of
Securities, and (2) the payment, issuance or delivery of cash (except in satisfaction of fractional shares pursuant to Article 6), property or securities (other than junior securities) upon conversion of a Security shall be deemed to constitute
payment on account of the principal of such Security. For the purposes of this Section 9.08, the term “junior securities” means (a) shares of any stock of any class of the Company or (b) securities of the Company which are
subordinated in right of payment to all Senior Indebtedness which may be outstanding at the time of issuance or delivery of such securities to substantially the same extent as, or to a greater extent than, the Securities are so subordinated as
provided in this Article. Nothing contained in this Article or elsewhere in this Indenture or in the Securities is intended to or shall impair, as among the Company, its creditors other than holders of Senior Indebtedness and the Holders, the right,
which is absolute and unconditional, of the Holder of any Security to convert such Security in accordance with Article 6. 
  

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 Section 9.09. Article Applicable to Paying Agents. 
 If at any time any Paying Agent other than the Trustee shall have been appointed by the Company and be then acting hereunder, the term
“Trustee” as used in this Article shall (unless the context otherwise requires) be construed as extending to and including such Paying Agent within its meaning as fully for all intents and purposes as if such Paying Agent were named
in this Article in addition to or in place of the Trustee; provided, however, that the first paragraph of Section 9.05 shall not apply to the Company or any Affiliate of the Company if it or such Affiliate acts as Paying Agent.

 Section 9.10. Senior Indebtedness Entitled to Rely. 
 The holders of Senior Indebtedness (including, without limitation, Designated Senior Indebtedness) shall have the right to rely upon this Article 9, and no amendment or modification of the provisions contained herein
shall diminish the rights of such holders unless such holders shall have agreed in writing thereto. 
 Section 9.11. Anti-Layering.

 The Company shall not incur, directly or indirectly, or otherwise become liable for any Indebtedness which is subordinated or junior in
right or payment to any Senior Indebtedness unless such Indebtedness is Senior Subordinated Indebtedness or is Subordinated Indebtedness, provided; however, that nothing in this Section 9.11 shall limit the Company’s ability
to incur unsecured Senior Indebtedness. 
 ARTICLE 10 
 THE TRUSTEE 
 Section 10.01. Duties and Responsibilities of Trustee.
The Trustee, prior to the occurrence of an Event of Default and after the curing of all Events of Default which may have occurred, undertakes to perform such duties and only such duties as are specifically set forth in this Indenture. In case an
Event of Default has occurred (which has not been cured or waived), the Trustee shall exercise such of the rights and powers vested in it by this Indenture, and use the same degree of care and skill in their exercise, as a prudent person would
exercise or use under the circumstances in the conduct of his own affairs. 
  

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 No provision of this Indenture shall be construed to relieve the Trustee from liability for its own
grossly negligent action, its own grossly negligent failure to act or its own willful misconduct, except that: 
 (a) prior to the occurrence
of an Event of Default and after the curing or waiving of all Events of Default which may have occurred: 
 (i) the duties and
obligations of the Trustee shall be determined solely by the express provisions of this Indenture and the Trust Indenture Act, and the Trustee shall not be liable except for the performance of such duties and obligations as are specifically set
forth in this Indenture and no implied covenants or obligations shall be read into this Indenture and the Trust Indenture Act against the Trustee; and 
 (ii) in the absence of bad faith and willful misconduct on the part of the Trustee, the Trustee may conclusively rely as to the truth of the statements and the correctness of the opinions expressed therein, upon any
certificates or opinions furnished to the Trustee and conforming to the requirements of this Indenture; but, in the case of any such certificates or opinions which by any provisions hereof are specifically required to be furnished to the Trustee,
the Trustee shall be under a duty to examine the same to determine whether or not they conform to the requirements of this Indenture (but need not confirm or investigate the accuracy of any mathematical calculations or other facts stated therein);

 (b) the Trustee shall not be liable for any error of judgment made in good faith by a Responsible Officer or Officers of the Trustee,
unless the Trustee was negligent in ascertaining the pertinent facts; 
 (c) the Trustee shall not be liable with respect to any action taken
or omitted to be taken by it in good faith in accordance with the written direction of the Holders of not less than a majority in Principal Amount of the Securities at the time outstanding determined as provided in Section 1.04 relating to the
time, method and place of conducting any proceeding for any remedy available to the Trustee, or exercising any trust or power conferred upon the Trustee, under this Indenture; 
 (d) whether or not therein provided, every provision of this Indenture relating to the conduct or affecting the liability of, or affording protection to,
the Trustee shall be subject to the provisions of this Section; 
 (e) the Trustee shall not be liable in respect of any payment (as to the
correctness of amount, entitlement to receive or any other matters relating to payment) or notice effected by the Company or any other paying agent or any records maintained by any co-registrar with respect to the Securities; and 
 (f) if any party fails to deliver a notice relating to an event the fact of which, pursuant to this Indenture, requires notice to be sent to the Trustee,
the Trustee may conclusively rely on its failure to receive such notice as reason to act as if no such event occurred. 
  

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 None of the provisions contained in this Indenture shall require the Trustee to expend or risk its own
funds or otherwise incur personal financial liability in the performance of any of its duties or in the exercise of any of its rights or powers, if there is reasonable ground for believing that the repayment of such funds or adequate indemnity
against such risk or liability is not reasonably assured to it. 
 Section 10.02. Notice of Defaults. If a Default occurs and is
continuing of which the Trustee has or is deemed to have notice under Section 10.03(i), the Trustee shall give the Holders notice of the Default within 90 days after the occurrence thereof; provided, that (except in the case of any
Default in the payment of Principal Amount or Interest on any of the Securities or Fundamental Change Purchase Price), the Trustee shall be protected in withholding such notice if and so long as a committee of Responsible Officers of the Trustee in
good faith determines that the withholding of such notice is in the interest of the Holders of Securities. 
 Section 10.03. Reliance on
Documents, Opinions, Etc. Except as otherwise provided in Section 10.01: 
 (a) the Trustee may rely and shall be protected in
acting upon any resolution, certificate, statement, instrument, opinion, report, notice, request, consent, order, bond, debenture, note, coupon or other paper or document (whether in its original or facsimile form) believed by it in good faith to be
genuine and to have been signed or presented by the proper party or parties; 
 (b) any request, direction, order or demand of the Company
mentioned herein shall be sufficiently evidenced by an Officers’ Certificate (unless other evidence in respect thereof be herein specifically prescribed); and any resolution of the Board of Directors may be evidenced to the Trustee by a copy
thereof certified by the Secretary or an Assistant Secretary of the Company; 
 (c) the Trustee may consult with counsel of its own selection
and any advice or Opinion of Counsel shall be full and complete authorization and protection in respect of any action taken or omitted by it hereunder in good faith and in accordance with such advice or Opinion of Counsel; 
 (d) the Trustee shall be under no obligation to exercise any of the rights or powers vested in it by this Indenture at the request, order or direction of
any of the Securityholders pursuant to the provisions of this Indenture, unless such Securityholders shall have provided to the Trustee security or indemnity reasonably satisfactory to it against the costs, expenses and liabilities which may be
incurred therein or thereby; 
  

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 (e) the Trustee shall not be bound to make any investigation into the facts or matters stated in any
resolution, certificate, statement, instrument, opinion, report, notice, request, direction, consent, order, bond, debenture or other paper or document, but the Trustee, in its discretion, may make such further inquiry or investigation into such
facts or matters as it may see fit, and, if the Trustee shall determine to make such further inquiry or investigation, it shall be entitled to examine the books, records and premises of the Company, personally or by agent or attorney (at the
reasonable expense of the Company and shall incur no liability of any kind by reason of such inquiry or investigation); 
 (f) 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 by it with due care hereunder; 
 (g) the Trustee shall not be liable for any action taken, suffered, or omitted to be taken by it
in good faith and reasonably believed by it to be authorized or within the discretion or rights or powers conferred upon it by this Indenture; 
 (h) in no event shall the Trustee be responsible or liable for special, indirect, or consequential loss or 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; 
 (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 the Indenture; and 
 (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 each agent, custodian and other Person employed to act hereunder. 
 Section 10.04. No Responsibility for Recitals, Etc. The recitals contained herein and in the Securities (except in the Trustee’s certificate
of authentication) shall be taken as the statements of the Company, and the Trustee assumes no responsibility for the correctness of the same. The Trustee makes no representations as to the validity or sufficiency of this Indenture or of the
Securities. The Trustee shall not be accountable for the use or application by the Company of any Securities or the proceeds of any Securities authenticated and delivered by the Trustee in conformity with the provisions of this Indenture.

  

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 Section 10.05. Trustee, Paying Agents, Conversion Agents or Registrar May Own Securities. The
Trustee, any paying agent, any conversion agent or Security Registrar, in its individual or any other capacity, may become the owner or pledgee of Securities with the same rights it would have if it were not Trustee, paying agent, conversion agent
or Security Registrar. 
 Section 10.06. Monies to be Held in Trust. Subject to the provisions of Section 12.04, all monies and
properties received by the Trustee shall, until used or applied as herein provided, be held in trust for the purposes for which they were received. Money held by the Trustee in trust hereunder need not be segregated from other funds except to the
extent required by law. The Trustee shall be under no liability for interest on any money received by it hereunder except as may be agreed in writing from time to time by the Company and the Trustee. 
 Section 10.07. Compensation and Expenses of Trustee. The Company covenants and agrees to pay to the Trustee from time to time, and the Trustee
shall be entitled to, reasonable compensation for all services rendered by it hereunder in any capacity (which shall not be limited by any provision of law in regard to the compensation of a trustee of an express trust) as mutually agreed to from
time to time in writing between the Company and the Trustee, and the Company will pay or reimburse the Trustee upon its request for all reasonable expenses, disbursements and advances reasonably incurred or made by the Trustee in accordance with any
of the provisions of this Indenture (including the reasonable compensation and the expenses and disbursements of its counsel and of all Persons not regularly in its employ) except any such expense, disbursement or advance as may arise from its gross
negligence, willful misconduct or bad faith. The Company also covenants to indemnify the Trustee (or any officer, director or employee of the Trustee), in any capacity under this Indenture and its agents and any authenticating agent for, and to hold
them harmless against, any and all loss, liability, claim or expense incurred without gross negligence, willful misconduct or bad faith on the part of the Trustee or such officers, directors, employees and agent or authenticating agent, as the case
may be, and arising out of or in connection with the acceptance or administration of this trust or in any other capacity hereunder, including the costs and expenses of defending themselves against any claim of liability in the premises. The
obligations of the Company under this Section 10.07 to compensate or indemnify the Trustee and to pay or reimburse the Trustee for expenses, disbursements and advances shall be secured by a lien prior to that of the Securities upon all property
and funds held or collected by the Trustee as such, except funds held in trust for the benefit of the Holders of particular Securities. The obligation of the Company under this Section shall survive the satisfaction and discharge of this Indenture.

  

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

 Section 10.08. Officers’ Certificate as Evidence. Except as otherwise provided in Section 10.01, whenever in the
administration of the provisions of this Indenture the Trustee shall deem it necessary or desirable that a matter be proved or established prior to taking or omitting any action hereunder, such matter (unless other evidence in respect thereof be
herein specifically prescribed) may, in the absence of negligence or willful misconduct on the part of the Trustee, be deemed to be conclusively proved and established by an Officers’ Certificate delivered to the Trustee. 
 Section 10.09. Conflicting Interests of Trustee. If the Trustee has or shall acquire a conflicting interest within the meaning of the Trust
Indenture Act, the Trustee shall either eliminate such interest or resign, to the extent and in the manner provided by, and subject to the provisions of, the Trust Indenture Act and this Indenture. 
 Section 10.10. Eligibility of Trustee. There shall at all times be a Trustee hereunder which shall be a Person that is eligible pursuant to the
Trust Indenture Act to act as such and has a combined capital and surplus of at least $50,000,000 (or if such Person is a member of a bank holding company system, its bank holding company shall have a combined capital and surplus of at least
$50,000,000). If such Person publishes reports of condition at least annually, pursuant to law or to the requirements of any supervising or examining authority, then for the purposes of this Section the combined capital and surplus of such Person
shall be deemed to be its combined capital and surplus as set forth in its most recent report of condition so published. If at any time the Trustee shall cease to be eligible in accordance with the provisions of this Section 10.10, it shall
resign immediately in the manner and with the effect hereinafter specified in this Article. 
 Section 10.11. Resignation or Removal of
Trustee. 
 (a) The Trustee may at any time resign by giving written notice of such resignation to the Company and to the Holders of
Securities. Upon receiving such notice of resignation, the Company shall promptly appoint a successor trustee by written instrument, in duplicate, executed by order of the Board of Directors, one copy of which instrument shall be delivered to the
resigning Trustee and one copy to the successor trustee. If no successor trustee shall have been so appointed and have accepted appointment 60 days after the mailing of such notice of resignation to the Securityholders, the resigning Trustee may,
upon ten business days’ notice 

  

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to the Company and the Securityholders, appoint a successor identified in such notice or may petition, at the expense of the Company, any court of competent
jurisdiction for the appointment of a successor trustee, or, any Securityholder who has been a bona fide Holder of a Security or Securities for at least 6 months may, subject to the provisions of Section 7.13, on behalf of himself and all
others similarly situated, petition any such court for the appointment of a successor trustee. Such court may thereupon, after such notice, if any, as it may deem proper and prescribe, appoint a successor trustee. 
 (b) In case at any time any of the following shall occur: 
 (i) the Trustee shall fail to comply with Section 10.09 after written request therefor by the Company or by any Securityholder who has been a bona fide Holder of a Security or Securities for at least 6 months; or

 (ii) the Trustee shall cease to be eligible in accordance with the provisions of Section 10.10 and shall fail to
resign after written request therefor by the Company or by any such Securityholder; or 
 (iii) the Trustee shall become
incapable of acting, or shall be adjudged a bankrupt or insolvent, or a receiver of the Trustee or of its property shall be appointed, or any public officer shall take charge or control of the Trustee or of its property or affairs for the purpose of
rehabilitation, conservation or liquidation; then, in any such case, the Company may remove the Trustee and appoint a successor trustee by written instrument, in duplicate, executed by order of the Board of Directors, one copy of which instrument
shall be delivered to the Trustee so removed and one copy to the successor trustee, or, subject to the provisions of Section 7.13, any Securityholder who has been a bona fide Holder of a Security or Securities for at least 6 months may, on
behalf of himself and all others similarly situated, petition any court of competent jurisdiction for the removal of the Trustee and the appointment of a successor trustee; provided, however, that if no successor Trustee shall have
been appointed and have accepted appointment 60 days after either the Company or the Securityholders has removed the Trustee, the Trustee so removed may petition at its own expense any court of competent jurisdiction for an appointment of a
successor trustee. Such court may thereupon, after such notice, if any, as it may deem proper and prescribe, remove the Trustee and appoint a successor trustee. 
 (c) The Holders of a majority in aggregate Principal Amount of the Securities at the time outstanding may at any time remove the Trustee and nominate a successor trustee which shall be deemed appointed as successor
trustee unless, within ten days after notice to the Company of such nomination, 

  

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the Company objects thereto, in which case the Trustee so removed or any Securityholder, or if such Trustee so removed or any Securityholder fails to act,
the Company, upon the terms and conditions and otherwise as in Section 10.11(a) provided, may petition any court of competent jurisdiction for an appointment of a successor trustee. 
 (d) Any resignation or removal of the Trustee and appointment of a successor trustee pursuant to any of the provisions of this Section 10.10 shall
become effective upon acceptance of appointment by the successor trustee as provided in Section 10.12. 
 Section 10.12. Acceptance
by Successor Trustee. Any successor trustee appointed as provided in Section 10.11 shall execute, acknowledge and deliver to the Company and to its predecessor trustee an instrument accepting such appointment hereunder, and thereupon the
resignation or removal of the predecessor trustee shall become effective and such successor trustee, without any further act, deed or conveyance, shall become vested with all the rights, powers, duties and obligations of its predecessor hereunder,
with like effect as if originally named as trustee herein; but, nevertheless, on the written request of the Company or of the successor trustee, the trustee ceasing to act shall, upon payment of any amount then due it pursuant to the provisions of
Section 10.07, execute and deliver an instrument transferring to such successor trustee all the rights and powers of the trustee so ceasing to act. Upon request of any such successor trustee, the Company shall execute any and all instruments in
writing for more fully and certainly vesting in and confirming to such successor trustee all such rights and powers. Any trustee ceasing to act shall, nevertheless, retain a lien upon all property and funds held or collected by such trustee as such,
except for funds held in trust for the benefit of Holders of particular Securities, to secure any amounts then due it pursuant to the provisions of Section 10.07. 
 No successor trustee shall accept appointment as provided in this Section 10.12 unless, at the time of such acceptance, such successor trustee shall be qualified under the provisions of Section 10.09 and be
eligible under the provisions of Section 10.10. 
 Upon acceptance of appointment by a successor trustee as provided in this
Section 10.12, the Company (or the successor trustee, at the written direction of the Company) shall mail or cause to be mailed notice of the succession of such trustee hereunder to the Holders of Securities at their addresses as they shall
appear on the Security Register. If the Company fails to mail such notice within ten days after acceptance of appointment by the successor trustee, the successor trustee shall cause such notice to be mailed at the expense of the Company. 

 

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 Section 10.13. Succession by Merger, Etc. Any corporation into which the Trustee may be merged or
converted or with which it may be consolidated, or any corporation resulting from any merger, conversion or consolidation to which the Trustee shall be a party, or any corporation succeeding to all or substantially all of the corporate trust
business of the Trustee (including any trust created by this Indenture), shall be the successor to the Trustee hereunder without the execution or filing of any paper or any further act on the part of any of the parties hereto, provided that
in the case of any corporation succeeding to all or substantially all of the corporate trust business of the Trustee, such corporation shall be qualified under the provisions of Section 10.09 and eligible under the provisions of
Section 10.10. 
 In case at the time such successor to the Trustee shall succeed to the trusts created by this Indenture, any of the
Securities shall have been authenticated but not delivered, any such successor to the Trustee may adopt the certificate of authentication of any predecessor trustee or authenticating agent appointed by such predecessor trustee, and deliver such
Securities so authenticated; and in case at that time any of the Securities shall not have been authenticated, any successor to the Trustee or any authenticating agent appointed by such successor trustee may authenticate such Securities in the name
of the successor trustee; and in all such cases such certificates shall have the full force that is provided in the Securities or in this Indenture; provided, however, that the right to adopt the certificate of authentication of any
predecessor Trustee or authenticate Securities in the name of any predecessor Trustee shall apply only to its successor or successors by merger, conversion or consolidation. 
 Section 10.14. Preferential Collection of Claims. If and when the Trustee shall be or become a creditor of the Company (or any other obligor upon
the Securities), the Trustee shall be subject to the provisions of the Trust Indenture Act regarding the collection of the claims against the Company (or any such other obligor). 
 ARTICLE 11 
 HOLDERS’ LISTS AND
REPORTS BY TRUSTEE 
 Section 11.01. Company to Furnish Trustee Names and Addresses of
Holders. The Company will furnish or cause to be furnished to the Trustee: 
 (i) semi-annually, not more than 15 days
after each Record Date, a list, in such form as the Trustee may reasonably require, of the names and addresses of the Holders as of such Record Date; and 
 (ii) at such other times as the Trustee may request in writing, within 30 days after the receipt by the Company of any such request, a list of similar form and content as of a date not more than 15 days prior to the
time such list is furnished; excluding from any such list names and addresses received by the Trustee in its capacity as Security Registrar; provided, however, that no such list need be furnished so long as the Trustee is acting as
Security Registrar. 
  

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 Section 11.02. Preservation of Information; Communications to Holders. 
 (a) The Trustee shall preserve, in as current a form as is reasonably practicable, the names and addresses of Holders contained in the most recent list
furnished to the Trustee as provided in Section 11.01 and the names and addresses of Holders received by the Trustee in its capacity as Security Registrar. The Trustee may destroy any list furnished to it as provided in Section 11.01 upon
receipt of a new list so furnished. 
 (b) The rights of Holders to communicate with other Holders with respect to their rights under this
Indenture or under the Securities, and the corresponding rights and duties of the Trustee, shall be as provided by the Trust Indenture Act. 
 (c) Every Securityholder, by receiving and holding the same, agrees with the Company and the Trustee that neither the Company nor the Trustee nor any agent of either of them shall be held accountable by reason of any disclosure of
information as to names and addresses of Holders made pursuant to the Trust Indenture Act. 
 Section 11.03. Reports By Trustee. The
Trustee shall transmit to Holders such reports concerning the Trustee and its actions under this Indenture as may be required pursuant to the Trust Indenture Act at the times and in the manner provided pursuant thereto. Reports so required to be
transmitted at stated intervals of not more than 12 months shall be transmitted no later than December 31 of each calendar year, commencing on December 31, 2009. Each such report shall be dated as of a date not more than 60 days prior to
the date of transmission. 
 (a) A copy of each such report shall, at the time of such transmission to Holders, be filed by the Trustee with
each stock exchange, if any, upon which the Securities are listed, with the Commission and with the Company. The Company will notify the Trustee when the Securities are listed on any stock exchange or of any delisting thereof. 
 Section 11.04. Reports by Company. The Trustee’s receipt of reports, information and documents delivered by the Company pursuant to its
obligations under Section 4.06 shall not constitute constructive notice to the Trustee of any information contained therein or determinable from information contained therein, including the Company’s compliance with any of its covenants
hereunder, except for the covenants in Section 4.06 (as to which the Trustee is entitled to conclusively rely exclusively on an Officers’ Certificate). 
  

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 ARTICLE 12 
 SATISFACTION AND DISCHARGE 
 Section 12.01. Discharge of
Indenture. When (a) the Company shall deliver to the Trustee for cancellation all Securities theretofore authenticated (other than any Securities that have been destroyed, lost or stolen and in lieu of or in substitution for which other
Securities shall have been authenticated and delivered) and not theretofore canceled, or (b) all the Securities not theretofore canceled or delivered to the Trustee for cancellation shall have become due and payable (whether at Stated Maturity,
or on any Fundamental Change Purchase Date or upon conversion or otherwise) and the Company shall have deposited with the Trustee, in trust, cash funds and shares of Common Stock, as applicable, sufficient to pay all amounts due (and shares of
Common Stock deliverable following conversion, if applicable) on all of such Securities (other than any Securities that shall have been mutilated, destroyed, lost or stolen and in lieu of or in substitution for which other Securities shall have been
authenticated and delivered) not theretofore canceled or delivered to the Trustee for cancellation, including principal and interest, including Additional Interest, if any, due, accompanied, except in the event the Securities are due and payable
solely in cash upon a Fundamental Change Purchase Date, by a verification report as to the sufficiency of the deposited amount from an independent certified accountant, and if the Company shall also pay or cause to be paid all other sums payable
hereunder by the Company, then this Indenture shall cease to be of further effect (except as to (i) remaining rights of registration of transfer, substitution and exchange and conversion of Securities, (ii) rights hereunder of
Securityholders to receive payments of principal of and interest, including Additional Interest, if any, on, the Securities and the other rights, duties and obligations of Securityholders, as beneficiaries hereof with respect to the amounts, if any,
so deposited with the Trustee and (iii) the rights, obligations and immunities of the Trustee hereunder), and the Trustee, on written demand of the Company accompanied by an Officers’ Certificate and an Opinion of Counsel as required by
Section 1.02 and at the cost and expense of the Company, shall execute proper instruments acknowledging satisfaction and discharge of this Indenture; the Company, however, hereby agrees to reimburse the Trustee for any costs or expenses
thereafter reasonably and properly incurred by the Trustee and to compensate the Trustee for any services thereafter reasonably and properly rendered by the Trustee in connection with this Indenture or the Securities. 
 Section 12.02. Deposited Monies to be Held in Trust by Trustee. Subject to Section 12.04, all monies deposited with the Trustee pursuant to
Section 12.01 shall be held in trust for the sole benefit of the Securityholders, and such monies shall be applied by the Trustee to the payment, either directly or through any paying agent (including the Company if acting as its own paying
agent), to the Holders of the particular Securities for the payment or redemption of which such monies have been deposited with the Trustee, of all sums due and to become due thereon for principal and interest, including Additional Interest, if any.

  

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 Section 12.03. Paying Agent to Repay Monies Held. Upon the satisfaction and discharge of this
Indenture, all monies then held by any paying agent of the Securities (other than the Trustee) shall, upon written request of the Company, be repaid to it or paid to the Trustee, and thereupon such paying agent shall be released from all further
liability with respect to such monies. 
 Section 12.04. Return of Unclaimed Monies. Subject to the requirements of applicable law,
any monies deposited with or paid to the Trustee for payment of the principal of or interest, including Additional Interest, if any, on Securities and not applied but remaining unclaimed by the Holders of Securities for two years after the date upon
which the principal of or interest, including Additional Interest, if any, on such Securities, as the case may be, shall have become due and payable, shall be repaid to the Company by the Trustee on demand and all liability of the Trustee shall
thereupon cease with respect to such monies; and the Holder of any of the Securities shall thereafter look only to the Company for any payment that such Holder may be entitled to collect unless an applicable abandoned property law designates another
Person. 
 Section 12.05. Reinstatement. If the Trustee or the paying agent is unable to apply any money in accordance with
Section 12.02 by reason of any order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application, the Company’s obligations under this Indenture and the Securities shall be revived
and reinstated as though no deposit had occurred pursuant to Section 12.01 until such time as the Trustee or the paying agent is permitted to apply all such money in accordance with Section 12.02; provided, however, that if
the Company makes any payment of interest on or principal of any Security following the reinstatement of its obligations, the Company shall be subrogated to the rights of the Holders of such Securities to receive such payment from the money held by
the Trustee or paying agent. 
 ARTICLE 13 
 SUPPLEMENTAL INDENTURES 
 Section 13.01. Supplemental Indentures Without
Consent of Holders. Without the consent of any Holders, the Company, when authorized by a Board Resolution, and the Trustee, at any time and from time to time, may enter into one or more indentures supplemental hereto, in form satisfactory to
the Trustee, for any of the following purposes: 
 (i) to cure any ambiguity, omission, defect or inconsistency contained
herein; 
  

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 (ii) to provide for the assumption by a successor corporation, partnership, trust or
limited liability company of the obligations of the Company contained herein; 
 (iii) to provide for uncertificated
Securities in addition to or in place of certificated Securities; provided that such uncertificated Securities are issued in registered form for purposes of Section 163(f) of the Code, or in a manner such that the uncertificated
Securities are described in Section 163(f)(2)(B) of the Code; 
 (iv) to add guarantees with respect to the Securities;

 (v) to secure the Securities; 
 (vi) to add to the covenants of the Company for the benefit of the Holders, or to surrender any right or power herein conferred upon the Company; 
 (vii) to provide for the issuance of Additional Securities as provided in Section 3.01 hereof; 
 (viii) to add or modify any other provision herein with respect to matters or questions arising hereunder which the Company and the
Trustee may deem necessary or desirable and which does not materially and adversely affect the rights of any Holder; or 
 (ix) to modify, eliminate or add to the provisions of this Indenture to such extent as shall be necessary to comply with any requirement of the Commission to effect the qualifications of this Indenture under the Trust Indenture Act, or
under any similar federal statute hereafter enacted. 
 Section 13.02. Supplemental Indentures With Consent of Holders. With the
consent of the Holders of not less than a majority in aggregate Principal Amount of the Outstanding Securities, by Act of said Holders delivered to the Company and the Trustee (including, without limitation, consents obtained in connection with a
purchase of, or tender offer or exchange offer for, Securities), the Company, when authorized by a Board Resolution, and the Trustee may enter into an indenture or indentures supplemental hereto for the purpose of adding any provisions to or
changing in any manner or eliminating any of the provisions of this Indenture or of modifying in any manner the rights of the Holders under this Indenture; provided, however, that no such supplemental indenture shall, without the consent of
the Holder of each Outstanding Security affected thereby, 
 (i) reduce the amount of Securities whose Holders must consent to
an amendment or waiver; 
  

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 (ii) reduce the rate of or extend the stated time for payment of any interest, including
Additional Interest, if any, on any Security; 
 (iii) reduce the Principal Amount of, or extend the Stated Maturity of, any
Security; 
 (iv) make any change that adversely affects the conversion rights of any Securities; 
 (v) reduce the Fundamental Change Purchase Price of any Security or amend or modify in any manner adverse to the Holders of Securities the
Company’s obligation to make such payments, whether through an amendment or waiver of provisions in the covenants, definitions or otherwise; 
 (vi) make any Security payable in money other than that stated in such Security; 
 (vii)
impair the right of a Holder to receive payment of principal and interest, including Additional Interest, if any, on such Holder’s Securities on or after the due dates thereof or to institute a suit for the enforcement of any payment on or with
respect to such Holder’s Securities; 
 (viii) modify any of the provisions of this Section 13.02 or
Section 7.12, except to increase any such percentage or to provide that certain other provisions of this Indenture cannot be modified or waived without the consent of the Holder of each Outstanding Security affected thereby. 
 It shall not be necessary for any Act of Holders under this Section 13.02 to approve the particular form of any proposed supplemental indenture, but
it shall be sufficient if such Act shall approve the substance thereof. 
 Section 13.03. Execution of Supplemental Indentures. In
executing, or accepting the additional trusts created by, any supplemental indenture permitted by this Article 13 or the modifications thereby of the trusts created by this Indenture, the Trustee shall be provided with, and (subject to
Section 10.01) shall be fully protected in relying upon, in addition to the documents required by Section 1.02, an Opinion of Counsel stating that the execution of such supplemental indenture is authorized or permitted by this Indenture.
Subject to the preceding sentence, the Trustee shall sign such supplemental indenture if the 

  

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same does not adversely affect the Trustee’s own rights, duties or immunities under this Indenture or otherwise. The Trustee may, but shall not be
obligated to, enter into any such supplemental indenture that adversely affects the Trustee’s own rights, duties or immunities under this Indenture or otherwise. 
 Section 13.04. Effect of Supplemental Indentures. Upon the execution of any supplemental indenture under this Article 13, this Indenture shall be modified in accordance therewith, and such supplemental
indenture shall form a part of this Indenture for all purposes; and every Securityholder theretofore or thereafter authenticated and delivered hereunder shall be bound thereby. 
 Section 13.05. Conformity with Trust Indenture Act. Every supplemental indenture executed pursuant to this Article shall conform to the
requirements of the Trust Indenture Act. 
 Section 13.06. Reference in Securities to Supplemental Indentures. Securities
authenticated and delivered after the execution of any supplemental indenture pursuant to this Article 13 shall 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 Company, 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 13.07. Notice to Holders of Supplemental Indentures. The Company shall cause notice of the
execution of any supplemental indenture to be mailed to each Securityholder, at his address appearing on the Security Register provided for in this Indenture, within 20 days after execution thereof. Failure to deliver such notice, or any defect in
such notes, shall not affect the legality or validity of such supplemental indenture. 
 ARTICLE 14 
 MISCELLANEOUS 
 Section
14.01. Communication by Holders with other Holders. Holders may communicate pursuant to TIA § 312(b) with other Holders with respect to their rights under this Indenture or the Securities. The Company, the Trustee, the Security Registrar
and anyone else shall have the protection of TIA § 312(c). 
 Section 14.02. When Securities Are Disregarded. In determining
whether the Holders of the required Principal Amount of Securities have concurred in any direction, waiver or consent, Securities owned by the Company or by any Person directly or indirectly controlling or controlled by or under direct or indirect
common control with the Company shall be disregarded and deemed not to be 

  

 100 

 
outstanding, except that, for the purpose of determining whether the Trustee shall be protected in relying on any such direction, waiver or consent, only
Securities which a Responsible Officer of the Trustee actually knows are so owned shall be so disregarded. Also, subject to the foregoing, only Securities outstanding at the time shall be considered in any such determination. 
 Section 14.03. Rules by Trustee, Paying Agent and Security Registrar. The Trustee may make reasonable rules for action by, or a meeting of,
Holders. The Security Registrar and the Paying Agent may make reasonable rules for their functions. 
 Section 14.04. Successors. All
agreements of the Company in this Indenture and the Securities shall bind their respective successors. All agreements of the Trustee in this Indenture shall bind its successors. 
 Section 14.05. 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 14.06. Qualification of
Indenture. The Company shall qualify this Indenture under the TIA in accordance with the terms and conditions of the Registration Rights Agreement and shall pay all reasonable costs and expenses (including attorneys’ fees and expenses for
the Company, the Trustee and the Holders) incurred in connection therewith, including, but not limited to, costs and expenses of qualification of this Indenture and the Securities and the printing of this Indenture and the Securities. 
 Section 14.07. Calculations. Except as otherwise provided herein, the Company will be responsible for making all calculations called for under the
Indenture and the Securities. The Company will make all such calculations in good faith and, absent manifest error, its calculations will be final and binding on Holders. The Company upon request will provide a schedule of its calculations to each
of the Trustee and the Conversion Agent, and each of the Trustee and Conversion Agent is entitled to rely conclusively upon the accuracy of the Company’s calculations without independent verification. The Trustee will deliver a copy of such
schedule to any Holder upon the request of such Holder. 
 Section 14.08. Waiver of Jury Trial. EACH OF THE COMPANY AND THE TRUSTEE
HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT, THE NOTES OR THE TRANSACTION CONTEMPLATED THEREBY. 
  

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 Section 14.09. Force Majeure. In no event shall the Trustee be responsible or liable for any
failure or delay in the performance of its obligations hereunder arising out of or caused by, directly or indirectly, forces beyond its 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 of utilities, communications or computer (software or hardware) services; it being understood that the Trustee shall use reasonable
efforts which are consistent with accepted practices in the banking industry to resume performance as soon as practicable under the circumstances. 
 [Remainder of the page intentionally left blank] 
  

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

			
	HEADWATERS INCORPORATED
		
	By:	 	/s/ Steven G. Stewart
	Name:	 	Steven G. Stewart
	Title:	 	Chief Financial Officer

 [Trustee Signature Follows] 

			
	WELL FARGO BANK, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	/s/ Lynn M. Steiner
	Name:	 	Lynn M. Steiner
	Title:	 	Vice President

 SCHEDULE A 
 The following table sets forth the number of Additional Shares to be added to the Conversion Rate per $1,000 Principal Amount of Securities pursuant to Section 6.06 of this Indenture: 
 Stock price 
  

																													
	 Effective
Date
	  	$3.49	  	$5.00	  	$10.00	  	$15.00	  	$20.00	  	$25.00	  	$30.00	  	$40.00	  	$50.00	  	$60.00	  	$70.00	  	$80.00	  	$90.00	  	$100.00
	 March 26, 2009
	  	113.9697	  	72.6149	  	31.1381	  	19.4323	  	13.9219	  	10.6880	  	8.5544	  	5.9100	  	4.3372	  	3.3021	  	2.5756	  	2.0426	  	1.6388	  	1.3254
	 February 1, 2010
	  	121.9903	  	75.6483	  	29.8806	  	18.0932	  	12.8703	  	9.8868	  	7.9372	  	5.5275	  	4.0925	  	3.1420	  	2.4699	  	1.9727	  	1.5932	  	1.2965
	 February 1, 2011
	  	137.6438	  	83.5205	  	28.6454	  	15.8476	  	10.9085	  	8.3074	  	6.6700	  	4.6813	  	3.5022	  	2.7189	  	2.1609	  	1.7443	  	1.4227	  	1.1682
	 February 1, 2012
	  	161.8586	  	98.4173	  	29.6936	  	13.3668	  	8.1858	  	5.9726	  	4.7409	  	3.3362	  	2.5201	  	1.9787	  	1.5923	  	1.3026	  	1.0773	  	0.8974
	 February 1, 2013
	  	192.8393	  	119.9662	  	36.1430	  	11.8473	  	4.5985	  	2.5866	  	1.9071	  	1.3319	  	1.0156	  	0.8056	  	0.6556	  	0.5431	  	0.4556	  	0.3856
	 February 1, 2014
	  	237.7997	  	151.3486	  	51.4432	  	18.1413	  	1.4904	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000	  	0.0000

 EXHIBIT A 
 Form of Fundamental Change Purchase Notice 
                     ,          
 Wells Fargo Bank, National Association 
 625 Marquette Avenue South

 MAC N9311-110 
 Minneapolis, MN 55479 
 Attention: Corporate Trust Services 
  

	 	Re:	Headwaters Incorporated (the “Company”) 

	 	  	14.75% Convertible Senior Subordinated Notes due 2014 

 This is a Fundamental Change Purchase Notice as defined in Section 5.01(a) of the Indenture dated as of March 30, 2009 (the “Indenture”) between the Company and Wells Fargo Bank, National Association, as Trustee.
Terms used but not defined herein shall have the meanings ascribed to them in the Indenture. 
 Certificate No(s). of Securities:
                                     
 (if certificated) 
 I intend to deliver the following
aggregate Principal Amount of Securities for purchase by the Company pursuant to Section 5.01 of the Indenture (in multiples of $1,000): 
  

			
	$	 	 
		 	

 I hereby agree that the Securities will be purchased as of the Fundamental Change Purchase Date
pursuant to the terms and conditions thereof and of the Indenture. 

			
		
	Signed:	 	 

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

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