EX-4.1





 Exhibit 4.1 

CONFIDENTIAL 
 EXECUTION VERSION 

 
  

 
 PIONEER ENERGY SERVICES CORP. 

AND 
 WILMINGTON TRUST, NATIONAL
ASSOCIATION 
 as Trustee 

INDENTURE 
 Dated as of
May 29, 2020 
 5.00% Convertible Senior Unsecured PIK Notes due 2025 

 
  

 












 TABLE OF CONTENTS 

 

					
	 	 	PAGE	 
	 ARTICLE 1 Definitions
	 	 	1	
		
	 Section 1.01. Definitions
	 	 	1	
		
	 ARTICLE 2 Issue, Description, Execution, Registration and Exchange of Notes
	 	 	16	
		
	 Section 2.01. Designation and Amount
	 	 	16	
	 Section 2.02. Form of Notes
	 	 	16	
	 Section 2.03. Date and Denomination of Notes; Payments of Interest and Defaulted
Amounts
	 	 	17	
	 Section 2.04. Execution, Authentication and Delivery of Notes
	 	 	19	
	 Section 2.05. Exchange and Registration of Transfer of Notes; Restrictions on
Transfer; Depositary
	 	 	19	
	 Section 2.06. Mutilated, Destroyed, Lost or Stolen Notes
	 	 	26	
	 Section 2.07. Temporary Notes
	 	 	27	
	 Section 2.08. Cancellation of Notes Paid, Converted, Etc.
	 	 	27	
	 Section 2.09. CUSIP Numbers
	 	 	27	
	 Section 2.10. Repurchases
	 	 	28	
	 Section 2.11. Equity Voting Rights
	 	 	28	
		
	 ARTICLE 3 Satisfaction and Discharge
	 	 	28	
		
	 Section 3.01. Satisfaction and Discharge
	 	 	28	
		
	 ARTICLE 4 Particular Covenants of the Company
	 	 	28	
		
	 Section 4.01. Payment of Principal and Interest
	 	 	28	
	 Section 4.02. Maintenance of Office or Agency
	 	 	28	
	 Section 4.03. Appointments to Fill Vacancies in Trustee’s Office
	 	 	29	
	 Section 4.04. Provisions as to Paying Agent
	 	 	29	
	 Section 4.05. Existence
	 	 	30	
	 Section 4.06. Rule 144A Information Requirement and Annual Reports
	 	 	31	
	 Section 4.07. Stay, Extension and Usury Laws
	 	 	31	
	 Section 4.08. Compliance Certificate; Statements as to Defaults
	 	 	31	
	 Section 4.09. Further Instruments and Acts
	 	 	32	
	 Section 4.10 Amendments or Waivers of ABL Credit Documents or Senior Secured Notes
Documents
	 	 	32	
	 Section 4.11 Certain Covenants Under Senior Secured Notes Indenture
	 	 	32	


  
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	 ARTICLE 5 Lists of Holders and Reports by the Company and the Trustee
	 	 	32	
		
	 Section 5.01. Lists of Holders
	 	 	32	
	 Section 5.02. Preservation and Disclosure of Lists
	 	 	33	
		
	 ARTICLE 6 Defaults and Remedies
	 	 	33	
		
	 Section 6.01. Events of Default
	 	 	33	
	 Section 6.02. Acceleration; Rescission and Annulment
	 	 	34	
	 Section 6.03. Payments of Notes on Default; Suit Therefor
	 	 	35	
	 Section 6.04. Application of Monies Collected by Trustee
	 	 	37	
	 Section 6.05. Proceedings by Holders
	 	 	37	
	 Section 6.06. Proceedings by Trustee
	 	 	38	
	 Section 6.07. Remedies Cumulative and Continuing
	 	 	39	
	 Section 6.08. Direction of Proceedings and Waiver of Defaults by Majority of
Holders
	 	 	39	
	 Section 6.09. Notice of Defaults
	 	 	39	
	 Section 6.10. Undertaking to Pay Costs
	 	 	40	
		
	 ARTICLE 7 Concerning the Trustee
	 	 	40	
		
	 Section 7.01. Duties and Responsibilities of Trustee
	 	 	40	
	 Section 7.02. Reliance on Documents, Opinions, Etc.
	 	 	42	
	 Section 7.03. No Responsibility for Recitals, Etc.
	 	 	43	
	 Section 7.04. Trustee, Paying Agents, Conversion Agents or Note Registrar May Own
Notes
	 	 	43	 
	 Section 7.05. Monies and Shares of Common Stock to Be Held in Trust
	 	 	43	
	 Section 7.06. Compensation and Expenses of Trustee
	 	 	43	
	 Section 7.07. Officers’ Certificate as Evidence
	 	 	44	
	 Section 7.08. Eligibility of Trustee
	 	 	45	
	 Section 7.09. Resignation or Removal of Trustee
	 	 	45	
	 Section 7.10. Acceptance by Successor Trustee
	 	 	46	
	 Section 7.11. Succession by Merger, Etc.
	 	 	46	
	 Section 7.12. Trustee’s Application for Instructions from the
Company
	 	 	47	
		
	 ARTICLE 8 Concerning the Holders
	 	 	47	
		
	 Section 8.01. Action by Holders
	 	 	47	
	 Section 8.02. Proof of Execution by Holders
	 	 	48	
	 Section 8.03. Who Are Deemed Absolute Owners
	 	 	48	
	 Section 8.04. Company-Owned Notes Disregarded
	 	 	48	
	 Section 8.05. Revocation of Consents; Future Holders Bound
	 	 	49	


  
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	 ARTICLE 9 Holders’ Meetings
	 	 	49	
		
	 Section 9.01. Purpose of Meetings
	 	 	49	
	 Section 9.02. Call of Meetings by Trustee
	 	 	49	
	 Section 9.03. Call of Meetings by Company or Holders
	 	 	50	
	 Section 9.04. Qualifications for Voting
	 	 	50	
	 Section 9.05. Regulations
	 	 	50	
	 Section 9.06. Voting
	 	 	51	
	 Section 9.07. No Delay of Rights by Meeting
	 	 	51	
		
	 ARTICLE 10 Supplemental Indentures
	 	 	51	
		
	 Section 10.01. Supplemental Indentures Without Consent of Holders
	 	 	51	
	 Section 10.02. Supplemental Indentures with Consent of Holders
	 	 	52	
	 Section 10.03. Effect of Supplemental Indentures
	 	 	53	
	 Section 10.04. Notation on Notes
	 	 	53	
	 Section 10.05. Evidence of Compliance of Supplemental Indenture to Be Furnished
Trustee
	 	 	54	
		
	 ARTICLE 11 Consolidation, Merger, Sale, Conveyance and Lease
	 	 	54	
		
	 Section 11.01. Company May Consolidate, Etc. on Certain Terms
	 	 	54	
	 Section 11.02. Successor Corporation to Be Substituted
	 	 	54	
	 Section 11.03. Opinion of Counsel to Be Given to Trustee
	 	 	55	
		
	 ARTICLE 12 Immunity of Incorporators, Stockholders, Officers and Directors
	 	 	55	
		
	 Section 12.01. Indenture and Notes Solely Corporate Obligations
	 	 	55	
		
	 ARTICLE 13 Equity Voting Rights
	 	 	56	
		
	 Section 13.01. Equity Voting Rights
	 	 	56	
	 Section 13.03. Amendments to Certificate of Incorporation
	 	 	56	
		
	 ARTICLE 14 Conversion of Notes
	 	 	57	
		
	 Section 14.01. Conversion of Notes
	 	 	57	
	 Section 14.02. Conversion Procedure; Settlement Upon Conversion
	 	 	58	
	 Section 14.03. Adjustment of Conversion Rate
	 	 	62	
	 Section 14.04. Distributions
	 	 	66	
	 Section 14.05. Adjustments of Prices
	 	 	66	
	 Section 14.06. Shares to Be Fully Paid
	 	 	67	
	 Section 14.07. Effect of Recapitalizations, Reclassifications and Changes of the
Common Stock
	 	 	67	
	 Section 14.08. Certain Covenants
	 	 	69	
	 Section 14.09. Responsibility of Trustee
	 	 	69	
	 Section 14.10. Notice to Holders Prior to Certain Actions
	 	 	70	
	 Section 14.11. Stockholder Rights Plans
	 	 	70	


  
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	 ARTICLE 15 Repurchase of Notes at Option of Holders
	 	 	72	
		
	 Section 15.01. Intentionally Omitted
	 	 	72	
	 Section 15.02. Repurchase at Option of Holders Upon a Fundamental
Change
	 	 	72	
	 Section 15.03. Withdrawal of Fundamental Change Repurchase Notice
	 	 	75	
	 Section 15.04. Deposit of Fundamental Change Repurchase Price
	 	 	75	
	 Section 15.05. Covenant to Comply with Applicable Laws Upon Repurchase of
Notes
	 	 	76	
		
	 ARTICLE 16 No Redemption
	 	 	76	
		
	 Section 16.01. No Redemption
	 	 	76	
		
	 ARTICLE 17 Miscellaneous Provisions
	 	 	76	
		
	 Section 17.01. Provisions Binding on Company’s Successors
	 	 	76	
	 Section 17.02. Official Acts by Successor Corporation
	 	 	76	
	 Section 17.03. Addresses for Notices, Etc.
	 	 	76	
	 Section 17.04. Governing Law; Jurisdiction
	 	 	77	
	 Section 17.05. Evidence of Compliance with Conditions Precedent; Certificates and
Opinions of Counsel to Trustee
	 	 	78	
	 Section 17.06. Legal Holidays
	 	 	78	
	 Section 17.07. No Security Interest Created
	 	 	78	
	 Section 17.08. Benefits of Indenture
	 	 	78	
	 Section 17.09. Table of Contents, Headings, Etc.
	 	 	78	
	 Section 17.10. Authenticating Agent
	 	 	79	
	 Section 17.11. Execution in Counterparts
	 	 	80	
	 Section 17.12. Severability
	 	 	80	
	 Section 17.13. Waiver of Jury Trial
	 	 	80	
	 Section 17.14. Force Majeure
	 	 	80	
	 Section 17.15. Calculations
	 	 	80	
	 Section 17.16. USA PATRIOT Act
	 	 	81	
	 Section 17.17 Tax Treatment
	 	 	81	

 EXHIBIT 
  

							
	Exhibit A	 	Form of Note	  	 	A-1	 
	Exhibit B-1	 	Form of Certificate of Transfer	  	 	B-1	 
	Exhibit B-2	 	Form of Accredited Investor Certificate	  	 	B-2	 
	Exhibit C	 	Form of Conversion Blocker Opt-out Notice	  	 	C-1	 


  
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 INDENTURE dated as of May 29, 2020 between PIONEER ENERGY SERVICES CORP., a Delaware
corporation, as issuer (the “Company,” as more fully set forth in Section 1.01) and WILMINGTON TRUST, NATIONAL ASSOCIATION, a national banking association duly organized and existing under the laws of the United States of
America, as trustee (in such capacity, the “Trustee,” as more fully set forth in Section 1.01). 
 W I T N E S S E T H:

 WHEREAS, for its lawful corporate purposes, the Company has duly authorized the issuance of its 5.00% Convertible Senior Unsecured PIK
Notes due 2025 (the “Notes”), initially in an aggregate Initial Principal Amount not to exceed $129,771,000, and in order to provide the terms and conditions upon which the Notes are to be authenticated, issued and delivered, the
Company has duly authorized the execution and delivery of this Indenture; and 
 WHEREAS, the Form of Note, the certificate of
authentication to be borne by each Note, the Form of Notice of Conversion, the Form of Fundamental Change Repurchase Notice and the Form of Assignment and Transfer to be borne by the Notes are to be substantially in the forms hereinafter provided;
and 
 WHEREAS, all acts and things necessary to make the Notes, when executed by the Company and authenticated and delivered by the Trustee
or a duly authorized authenticating agent, as in this Indenture provided, the valid, binding and legal obligations of the Company, and this Indenture a valid agreement according to its terms, have been done and performed, and the execution of this
Indenture and the issuance hereunder of the Notes have in all respects been duly authorized. 
 NOW, THEREFORE, THIS INDENTURE WITNESSETH:

 That in order to declare the terms and conditions upon which the Notes are, and are to be, authenticated, issued and delivered, and in
consideration of the premises and of the purchase and acceptance of the Notes by the Holders thereof, the Company covenants and agrees with the Trustee for the equal and proportionate benefit of the respective Holders from time to time of the Notes
(except as otherwise provided below), as follows: 
 ARTICLE 1 

DEFINITIONS 

Section 1.01. Definitions. The terms defined in this Section 1.01 (except as herein otherwise expressly provided or unless the
context otherwise requires) for all purposes of this Indenture and of any indenture supplemental hereto shall have the respective meanings specified in this Section 1.01. The words “herein,” “hereof,” “hereunder”
and words of similar import refer to this Indenture as a whole and not to any particular Article, Section or other subdivision. The terms defined in this Article include the plural as well as the singular. The words “sign”,
“execute”, “execution”, “signature”, and words of like import in or related to any document to be signed in connection with this Indenture and the transactions contemplated hereby (including without limitation
amendments, waivers or consents) shall be deemed to include electronic 












 
signatures, the electronic matching of assignment terms and contract formations on electronic platforms, or the keeping of records in electronic form, each of which shall be of the same legal
effect, validity or enforceability as a manually executed signature or the use of a paper-based recordkeeping system, as the case may be, to the extent and as provided for in any applicable law, including the Federal Electronic Signatures in Global
and National Commerce Act, the New York State Electronic Signatures and Records Act, or any other similar state laws based on the Uniform Electronic Transactions Act. 

“ABL Credit Agreement” means that certain Credit Agreement, dated as of the date hereof, by and among the Company and certain
of its Subsidiaries, as borrowers, the lenders from time to time party thereto and PNC Bank, National Association, as administrative agent, sole lead arranger and sole bookrunner, as may be amended, restated, amended and restated, supplemented or
otherwise modified in accordance with the terms of this Indenture, and as it may be refinanced or replaced in accordance with the Intercreditor Agreement and this Indenture (including any Replacement ABL Credit Agreement (as defined in the
Intercreditor Agreement)). 
 “ABL Credit Documents” means the ABL Credit Agreement, any intercreditor agreement relating
thereto, and all notes, guarantees, security agreements, mortgages, pledge agreements, notices, and each other agreement, instrument, or document executed at any time in connection with the ABL Credit Agreement, as may be amended, restated, amended
and restated, supplemented or otherwise modified in accordance with the terms of this Indenture. 
 “Accelerated Mandatory
Conversion” shall have the meaning specified in Section 14.01(c)(i). 
 “Accelerated Mandatory Conversion Date”
shall have the meaning specified in Section 14.01(c)(ii). 
 “Affiliate” of any specified Person means any other Person
directly or indirectly controlling or controlled by or under direct or indirect common control with such specified Person. For the purposes of this definition, “control,” when used with respect to any specified Person means the power to
direct or cause the direction of the management and policies of such Person, directly or indirectly, whether through the ownership of voting securities, by contract or otherwise; and the terms “controlling” and “controlled” have
meanings correlative to the foregoing. Notwithstanding anything to the contrary herein, the determination of whether one Person is an “Affiliate” of another Person for purposes of this Indenture shall be made based on the facts at
the time such determination is made or required to be made, as the case may be, hereunder. 
 “Aggregated Person” shall
have the meaning specified in Section 14.12(a). 
 “AI” means an “accredited investor” as defined in Rule 501(a)
of Regulation D. 
 “AI Global Note” means a Global Note substantially in the form of Exhibit A hereto bearing the legend
set forth in Section 2.05(c)(i) and deposited with or on behalf of, and registered in the name of, the Depositary or its nominee, issued in a denomination equal to the outstanding principal amount of the Notes sold to AIs in reliance on
Regulation D. 

  
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 “As-Converted-to-Common-Stock-Basis” shall have the meaning specified in
Section 13.01. 
 “Board of Directors” means the board of directors of the Company or a committee of such board duly
authorized to act for it hereunder. 
 “Board Resolution” means a copy of a resolution certified by the Secretary or an
Assistant Secretary of the Company to have been duly adopted by the Board of Directors, and to be in full force and effect on the date of such certification, and delivered to the Trustee. 

“Business Day” means a day other than a Saturday, Sunday or other day on which banking institutions are authorized or
required by law to close in New York City. 
 “Capital Stock” means, for any entity, any and all shares, interests, rights
to purchase, warrants, options, participations or other equivalents of or interests in (however designated) stock issued by that entity. 

“Capitalization Amount” means, for any Interest Payment Date, an amount per Note equal to the interest accrued on the
Capitalized Principal Amount as of the immediately preceding Interest Payment Date (or, if there is no immediately preceding Interest Payment Date, the interest accrued on the Initial Principal Amount), calculated at the rate of 5.00% per annum
for the period from, and including, such immediately preceding Interest Payment Date (or, if there is no immediately preceding Interest Payment Date, from, and including, the Issue Date) to, but excluding, such Interest Payment Date. 

“Capitalized Principal Amount” means, for any date, the principal amount per Note equal to the Initial Principal Amount of
such Note, as increased on each Interest Payment Date on or prior to such date by the Capitalization Amount for each such Interest Payment Date. When the term “principal amount” of any Note is used herein, such reference(s) shall be deemed
to be reference(s) to the Capitalized Principal Amount of such Note, unless the context otherwise requires. 
 “Cash
Settlement” shall have the meaning specified in Section 14.02(a). 
 “Certificate of Incorporation” means the
certificate of incorporation of the Company, as the same may be amended and/or restated, modified or supplemented from time to time. 

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

“Commission” means the U.S. Securities and Exchange Commission. 

“Common Equity” of any Person means (1) Capital Stock of such Person that is generally entitled (a) to vote in the
election of directors of such Person or (b) if such Person is not a corporation, to vote or otherwise participate in the selection of the governing body, partners, managers or others that will control the management or policies of such Person
and (2) in the case of the Company or any successor company as provided for herein, the Notes on an As-Converted-to-Common-Stock-Basis. 

  
 3 













 “Common Stock” means the common stock of the Company, par value $0.001 per
share, at the date of this Indenture, subject to Section 14.07. 
 “Company” shall have the meaning specified in the first
paragraph of this Indenture, and subject to the provisions of Article 11, shall include its successors and assigns. 
 “Company
Order” means a written order of the Company, signed by (a) the Company’s Chief Executive Officer, President, Executive or Senior Vice President or any Vice President (whether or not designated by a number or numbers or word or
words added before or after the title “Vice President”) and (b) any such other Officer designated in clause (a) of this definition or the Company’s Treasurer or Assistant Treasurer or Secretary or any Assistant Secretary,
and delivered to the Trustee. 
 “Conversion Agent” shall have the meaning specified in Section 4.02. 

“Conversion Blocker” shall have the meaning specified in Section 14.12(a). 

“Conversion Date” means (a) in respect of a conversion pursuant to Section 14.01(a), the first date that the Holder
has complied with the requirements set forth in Section 14.02(b), (b) in respect of a conversion pursuant to Section 14.01(b), the second Business Day immediately preceding the Maturity Date and (c) in respect of a conversion
pursuant to Section 14.01(c), the relevant Accelerated Mandatory Conversion Date. 
 “Conversion Obligation” shall
have the meaning specified in Section 14.01(a). 
 “Conversion Price” means as of any time, $1,000 divided by
the Conversion Rate as of such time. 
 “Conversion Rate” shall have the meaning specified in Section 14.01(a). 

“Corporate Trust Office” means the principal office of the Trustee at which at any time its corporate trust business shall be
administered, which office at the date hereof is located at 50 South Sixth Street, Suite 1290, Minneapolis, MN 55402, Attention: Pioneer Energy Services Notes Administrator, or such other address as the Trustee may designate from time to time by
notice to the Holders and the Company, or the principal corporate trust office of any successor trustee (or such other address as such successor trustee may designate from time to time by notice to the Holders and the Company). 

“Custodian” means the Trustee, as custodian for The Depository Trust Company, with respect to the Global Notes, or any
successor entity thereto. 
 “Daily Conversion Value” means, for each of the 30 consecutive Trading Days during the
Observation Period, one-thirtieth (1/30th) of the product of (a) the Conversion Rate on such Trading Day and (b) the Daily VWAP for such Trading Day; provided that, for any
Trading Day during the Mandatory Conversion Period, the “Daily Conversion Value” shall not be less than $1,000 divided by 30. 

  
 4 













 “Daily VWAP” means, for each of the 30 consecutive Trading
Days during the relevant Observation Period, the per share volume-weighted average price per share of Common Stock as displayed under the heading “Bloomberg VWAP” on the applicable Bloomberg page for such shares 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 the Common Stock on such Trading
Day determined, using a volume-weighted average method, by a nationally recognized independent investment banking firm retained for this purpose by the Company). The “Daily VWAP” shall be determined without regard to after-hours
trading or any other trading outside of the regular trading session trading hours. Notwithstanding the foregoing, if the price of the Common Stock is not displayed on such page, the “Daily VWAP” shall be equal to the Fair Market
Value of the Common Stock. 
 “Default” means any event that is, or after notice or passage of time, or both,
would be, an Event of Default. 
 “Defaulted Amounts” means any amounts on any Note (including, without
limitation, the Fundamental Change Repurchase Price, principal and interest) that are due and payable but are not punctually paid or duly provided for. 

“Depositary” means, with respect to each Global Note, the Person specified in Section 2.05(c) as the
Depositary with respect to such Notes, until a successor shall have been appointed and become such pursuant to the applicable provisions of this Indenture, and thereafter, “Depositary” shall mean or include such successor. 

“Discounted Issuance” shall have the meaning specified in Section 14.03(c). 

“Distributed Property” shall have the meaning specified in Section 14.04(a). 

“Effective Date” means the first date on which shares of the Common Stock trade on the applicable exchange or
in the applicable market, regular way, reflecting the relevant share split or share combination, as applicable, or if the shares are not so traded, the date on which the relevant share split or share combination, as applicable, becomes effective.

 “Effective Price” means: 

(a) with respect to Common Stock acquired for cash, the per share amount of the net cash proceeds received by the Company for
such Common Stock; 
 (b) with respect to Common Stock acquired for other consideration, the per share Fair Market Value of
the net consideration received by the Company for such Common Stock; 
 (c) with respect to any option, warrant or other
right to acquire Common Stock, whether direct or indirect and whether or not conditional or contingent, the sum of (a) the Fair Market Value of the aggregate consideration, if any, received by the Company for such option, warrant or right
divided by the number of shares of Common 

  
 5 













 
Stock into which such option, warrant or right is exercisable at time of issuance, plus (b) the per share amount of the exercise price to the extent paid in cash and per share
fair market value (as determined in good faith and in a commercially reasonable manner by the Board of Directors) of the exercise price if paid in other consideration; and 

(d) with respect to securities convertible or exchangeable into Common Stock, (x) the net consideration per
security paid for such securities (to the extent paid in cash) or the net fair market value (as determined in good faith and in a commercially reasonable manner by the Board of Directors) of the consideration per security paid for such securities if
the price for such securities is paid in other consideration, as of the date of their issuance divided by (y) the number of shares of Common Stock per security for which such securities are convertible or exchangeable. 

“Event of Default” shall have the meaning specified in Section 6.01. 

“Ex-Dividend Date” means the first date on which shares of the Common Stock trade on the applicable exchange or in the
applicable market, regular way, without the right to receive the issuance, dividend or distribution in question, from the Company or, if applicable, from the seller of Common Stock on such exchange or market (in the form of due bills or otherwise)
as determined by such exchange or market; provided that if the shares of Common Stock are not so traded, the Ex-Dividend Date shall mean the record date for such issuance, dividend or distribution, as declared by the Board of Directors. 

“Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated
thereunder. 
 “Fair Market Value” of the Common Stock or other property, as of any date of determination,
means the price that a willing buyer would pay to a willing seller for the shares of Common Stock or such property in an arm’s length transaction, with neither party being under any immediate obligation or need to consummate the transaction,
assuming such shares of Common Stock are publicly traded and widely distributed with no discount for lack of liquidity; provided that such valuation shall exclude any minority discount. Fair Market Value shall be determined by the Board of
Directors and a written notice of such determination shall be given by the Company to the Trustee and the Holders ten (10) days prior to the date of the transaction for which the Fair Market Value is being determined. Unless objected by the
Holders of a majority in aggregate principal amount of the Notes then outstanding within such ten (10)-day period, the Board of Directors’ determination of the Fair Market Value shall be binding on the parties hereto. If the Holders of a
majority in aggregate principal amount of the Notes then outstanding object in writing to the Board of Directors’ determination of the Fair Market Value within such ten (10)-day period, the Company shall hire a nationally recognized accounting
firm or investment bank with experience in transactions of comparable size and magnitude at the sole cost and expense of the Company. Such accounting firm or investment bank shall calculate the Fair Market Value and its calculations shall be
conclusive and binding upon the parties absent a manifest error. 
 “Final Settlement Method Election Date”
means the 40th Scheduled Trading Day immediately preceding the Maturity Date. 

  
 6 













 “Form of Assignment and Transfer” means the “Form of Assignment
and Transfer” attached as Attachment 3 to the Form of Note attached hereto as Exhibit A. 
 “Form of Fundamental
Change Repurchase Notice” means the “Form of Fundamental Change Repurchase Notice” attached as Attachment 2 to the Form of Note attached hereto as Exhibit A. 

“Form of Note” means the “Form of Note” attached hereto as Exhibit A. 

“Form of Notice of Conversion” means the “Form of Notice of Conversion” attached as Attachment 1 to the Form
of Note attached hereto as Exhibit A. 
 “Fundamental Change” shall be deemed to have occurred at the time
after the Notes are originally issued if any of the following occurs: 
 (a) an event or series of events by
which any “person” or “group” (as such terms are used in Sections 13(d) and 14(d) of the Exchange Act, but excluding any employee benefit plan of such person or its Subsidiaries, and any person or entity acting in its capacity as
trustee, agent or other fiduciary or administrator of any such plan) becomes the “beneficial owner” (as defined in Rules 13d-3 and 13d-5 under the Exchange Act, except that a person or group shall be deemed to have “beneficial
ownership” of all securities that such person or group has the right to acquire (such right, an “option right”), whether such right is exercisable immediately or only after the passage of time), directly or indirectly, of 50%
or more of the equity securities of the Company entitled to vote for members of the Board of Directors or equivalent governing body of the Company on a fully-diluted basis (and taking into account all such securities that such person or group has
the right to acquire pursuant to any option right); provided that no securityholders of the Company on the date hereof (after giving effect to the transactions contemplated by the Transaction Agreement) shall constitute a “group”
for purposes of this definition solely by virtue of the voting agreements among, or commonality of interests of, such securityholders in the bankruptcy proceedings with respect to the Company immediately prior to the date hereof; 

(b) the consummation of (A) any recapitalization, reclassification or change of the Common Stock (other than
changes resulting from a subdivision or combination) as a result of which the Common Stock would be converted into, or exchanged for, stock, other securities, other property or assets; (B) any share exchange, consolidation or merger of the
Company pursuant to which the Common Stock will be converted into cash, securities or other property or assets; or (C) 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 Company’s Wholly Owned Subsidiaries; provided, however, that a transaction described in clause (B) in which the holders
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 transaction in substantially the same proportions as such ownership immediately prior to such transaction shall not be a Fundamental Change pursuant to this clause (b); 

  
 7 













 (c) the stockholders of the Company approve any plan or proposal for the
liquidation or dissolution of the Company, voting as a single class with the Holders; or 
 (d) at any time following the
Initial Listing Date, the Common Stock (or other common stock underlying the Notes) ceases to be listed or quoted on a Relevant Exchange for a period of five consecutive Trading Days; 

provided, however, that a transaction or transactions described in clause (a) or clause (b) above shall not constitute a
Fundamental Change, if at least 90% of the consideration received or to be received by the common stockholders of the Company, excluding cash payments for fractional shares, in connection with such transaction or transactions consists of shares of
common stock that are listed or quoted on a Relevant Exchange or will be so listed or quoted when issued or exchanged in connection with such transaction or transactions and as a result of such transaction or transactions the Notes become
convertible into such consideration, excluding cash payments for fractional shares (subject to the provisions of Section 14.02(a)). If any transaction in which the Common Stock is replaced by the securities of another entity occurs, following
the effective date of such transaction references to the Company in this definition shall instead be references to such other entity; and 

provided, further, that in no event shall the consummation of the transactions contemplated by the Transaction Agreement
(including pursuant to the securities purchase agreement referred to therein but excluding, for the avoidance of doubt, subsequent transfers of securities not required by the Transaction Agreement) constitute a Fundamental Change. 

“Fundamental Change Company Notice” shall have the meaning specified in Section 15.02(c). 

“Fundamental Change Repurchase Date” shall have the meaning specified in Section 15.02(a). 

“Fundamental Change Repurchase Notice” shall have the meaning specified in Section 15.02(b)(i). 

“Fundamental Change Repurchase Price” shall have the meaning specified in Section 15.02(a). 

“Global Note” shall have the meaning specified in Section 2.05(b). 

“Holder,” as applied to any Note, or other similar terms (but excluding the term “beneficial holder”), means
any Person in whose name at the time a particular Note is registered on the Note Register. 
 “Indenture”
means this instrument as originally executed or, if amended or supplemented as herein provided, as so amended or supplemented. 

  
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 “Initial Listing Date” means the first date on or after the date of
this Indenture that the Common Stock (or other common stock underlying the Notes) is listed or quoted on a Relevant Exchange. 

“Initial Notes” shall have the meaning specified in Section 2.01. 

“Initial Principal Amount” of any Note means the principal amount of such Note on the Issue Date.  

“Intercreditor Agreement” means the Intercreditor Agreement, dated as of the date hereof, among PNC Bank, National
Association, as administrative agent under the ABL Credit Agreement and Wilmington Trust, National Association, as security agent under the Senior Secured Notes Indenture and acknowledged and agreed by the Company and certain of its Subsidiaries, as
may be amended, restated, amended and restated, supplemented or otherwise modified in accordance with the terms of this Indenture. 

“Interest Payment Date” means each May 15 and November 15 of each year, beginning on November 15,
2020. 
 “Issue Date” means May 29, 2020. 

“Last Reported Sale Price” of the Common Stock on any date means the closing sale price per share (or if no closing
sale price is reported, the average of the bid and ask prices or, if more than one in either case, the average of the average bid and the average ask prices) on that date as reported in composite transactions for the principal U.S. national or
regional securities exchange on which the Common Stock is traded. 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 be the
last quoted bid price for the Common Stock in the over-the-counter market on the relevant date as reported by OTC Markets Group Inc. or a similar organization. If the Common Stock is not so quoted, the “Last Reported Sale Price”
shall be the average of the mid-point of the last bid and ask prices for the Common Stock on the relevant date from each of at least three nationally recognized independent investment banking firms selected by the Company for this purpose. If the
bid and ask prices referred to in the prior sentence cannot be ascertained, the “Last Reported Sale Price” shall be the Fair Market Value of the Common Stock. 

“Listing Condition” shall be satisfied on any date if the Common Stock is duly listed for trading on a Relevant
Exchange as of such date.  
 “Mandatory Conversion” shall have the meaning specified in Section 14.01(b).

 “Mandatory Conversion Obligation” shall have the meaning specified in Section 14.01(b). 

“Mandatory Conversion Period” means the 30 consecutive Trading Days beginning on, and including, the 31st Scheduled
Trading Day immediately preceding the Maturity Date. 

  
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 “Market Disruption Event” means, for the purposes of determining
amounts due upon conversion (a) a failure by the primary U.S. national or regional securities exchange or market on which the Common Stock is listed or admitted for trading to open for trading during its regular trading session or (b) the
occurrence or existence prior to 1:00 p.m., New York City time, on any Scheduled Trading Day for the Common Stock for more than one half-hour period in the aggregate during regular trading hours of any suspension or limitation imposed on trading (by
reason of movements in price exceeding limits permitted by the relevant stock exchange or otherwise) in the Common Stock or in any options contracts or futures contracts relating to the Common Stock. 

“Maturity Date” means November 15, 2025. 

“Merger Event” shall be deemed to have occurred at the time after the Notes are originally issued if any of the
following occurs: 
 (a) an event or series of events by which any “person” or “group” (as
such terms are used in Sections 13(d) and 14(d) of the Exchange Act, but excluding any employee benefit plan of such person or its Subsidiaries, and any person or entity acting in its capacity as trustee, agent or other fiduciary or administrator of
any such plan) becomes the “beneficial owner” (as defined in Rules 13d-3 and 13d-5 under the Exchange Act, except that a person or group shall be deemed to have “beneficial ownership” of all securities that such person or group
has the right to acquire (such right, an “option right”), whether such right is exercisable immediately or only after the passage of time), directly or indirectly, of 50% or more of the equity securities of the Company entitled to
vote for members of the Board of Directors or equivalent governing body of the Company on a fully-diluted basis (and taking into account all such securities that such person or group has the right to acquire pursuant to any option right);
provided that no securityholders of the Company on the date hereof (after giving effect to the transactions contemplated by the Transaction Agreement) shall constitute a “group” for purposes of this definition solely by virtue of
the voting agreements among, or commonality of interests of, such securityholders in the bankruptcy proceedings with respect to the Company immediately prior to the date hereof; 

(b) the consummation of (A) any bona fide recapitalization, reclassification or change of the Common Stock (other
than changes resulting from a subdivision or combination) as a result of which the Common Stock would be converted into, or exchanged for, stock, other securities, other property or assets; (B) any bona fide share exchange, consolidation or
merger of the Company pursuant to which the Common Stock will be converted into cash, securities or other property or assets; or (C) 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 Company’s Wholly Owned Subsidiaries; provided, however, that a transaction described in clause (A) or
(B) in which the holders 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 transaction in substantially the same proportions as such ownership immediately prior to such transaction shall not be a Merger Event pursuant to this clause (b); or 

  
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 (c) any one or more related (A) bona fide consolidations,
amalgamations, mergers or binding share exchanges of the Company or any of its Subsidiaries with or into another Person in which the Company is the continuing entity and which does not result in a reclassification or change of all of the Common
Stock outstanding, and (B) acquisitions by the Company or any of its Subsidiaries of substantially all assets, or a business, division, or line of business, of any Person, for which, in the case of this clause (c), either (x) the equity
value of the Person or Persons being acquired is, in the aggregate for all such transactions, greater than $100,000,000, or (y) such transactions have been approved by Holders of at least a majority of the aggregate principal amount of the
Notes then outstanding (determined in accordance with Article 8); 
 provided that in no event shall the consummation
of the transactions contemplated by the Transaction Agreement (including pursuant to the securities purchase agreement referred to therein but excluding, for the avoidance of doubt, subsequent transfers of securities not required by the Transaction
Agreement) constitute a Merger Event. 
 “Note” or “Notes” shall have the meaning specified
in the first paragraph of the recitals of this Indenture. 
 “Note Register” shall have the meaning specified
in Section 2.05(a). 
 “Note Registrar” shall have the meaning specified in Section 2.05(a). 

“Notice of Conversion” shall have the meaning specified in Section 14.02(b). 

“Obligations” means, without duplication, any principal, premium, if any, interest (including interest accruing on or
after the filing of any petition in bankruptcy or for reorganization relating to the Company or its Subsidiaries, whether or not a claim for post-filing interest is allowed in such proceeding), penalties, fees, charges, expenses, indemnifications,
reimbursement obligations, damages, guarantees, and other liabilities or amounts payable under the Notes and this Indenture. 

“Observation Period” with respect to any Note surrendered for conversion means (i) subject to clause (ii), the 30
consecutive Trading Day period beginning on, and including, the second Trading Day immediately succeeding such Conversion Date, and (ii) in respect of any Mandatory Conversion, the Mandatory Conversion Period. 

“Officer” means, with respect to the Company, the President, the Chief Executive Officer, the Treasurer, the
Secretary, any Executive or Senior Vice President or any Vice President (whether or not designated by a number or numbers or word or words added before or after the title “Vice President”). 

  
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 “Officers’ Certificate,” when used with respect to the Company,
means a certificate that is delivered to the Trustee and that is signed by (a) two Officers of the Company or (b) one Officer of the Company and one of the Treasurer, any Assistant Treasurer, the Secretary, any Assistant Secretary or the
Controller of the Company. Each such certificate shall include the statements provided for in Section 17.05 if and to the extent required by the provisions of such Section. One of the Officers giving an Officers’ Certificate pursuant to
Section 4.08 shall be the principal executive, financial or accounting officer of the Company. 
 “open of
business” means 9:00 a.m. (New York City time). 
 “Opinion of Counsel” means an opinion in writing signed
by legal counsel, who may be an employee of or counsel to the Company, or other counsel acceptable to the Trustee, that is delivered to the Trustee. Each such opinion shall include the statements provided for in Section 17.05 if and to the
extent required by the provisions of such Section 17.05. 
 “Optional Conversion” shall have the meaning
specified in Section 14.12(a). 
 “outstanding,” when used with reference to Notes, shall, subject to the
provisions of Section 8.04, mean, as of any particular time, all Notes authenticated and delivered by the Trustee under this Indenture, except: 

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

(b) Notes, or portions thereof, that have become due and payable and in respect of which monies in the necessary amount shall
have been deposited in trust with the Trustee or with any Paying Agent (other than the Company) or shall have been set aside and segregated in trust by the Company (if the Company shall act as its own Paying Agent); 

(c) Notes that have been paid pursuant to Section 2.06 or Notes in lieu of which, or in substitution for which, other
Notes shall have been authenticated and delivered pursuant to the terms of Section 2.06 unless proof satisfactory to the Trustee is presented that any such Notes are held by protected purchasers in due course; 

(d) Notes converted pursuant to Article 14 and required to be cancelled pursuant to Section 2.08; and 

(e) Notes repurchased by the Company pursuant to the penultimate sentence of Section 2.10. 

“Paying Agent” shall have the meaning specified in Section 4.02. 

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

“Physical Notes” means permanent certificated Notes in registered form issued in minimum denominations of $1.00 and
integral multiples of $1.00 in excess thereof. 

  
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 “Physical Settlement” shall have the meaning specified in Section
14.02(a). 
 “PIK Notes” shall have the meaning set forth in Section 2.03(d). 

“Predecessor Note” of any particular Note means every previous Note evidencing all or a portion of the same debt as
that evidenced by such particular Note; and, for the purposes of this definition, any Note authenticated and delivered under Section 2.06 in lieu of or in exchange for a mutilated, lost, destroyed or stolen Note shall be deemed to evidence the
same debt as the mutilated, lost, destroyed or stolen Note that it replaces. 
 “QIB” means a “qualified
institutional buyer” (within the meaning of Rule 144A). 
 “Record Date” means, with respect to any
dividend, distribution or other transaction or event in which the holders of Common Stock (or other applicable security) have the right to receive any cash, securities or other property or in which the Common Stock (or such other security) is
exchanged for or converted into any combination of cash, securities or other property, the date fixed for determination of holders of the Common Stock (or such other security) entitled to receive such cash, securities or other property (whether such
date is fixed by the Board of Directors, by statute, by contract or otherwise). 
 “Reference Property” shall
have the meaning specified in Section 14.07(a). 
 “Regular Record Date,” with respect to any Interest
Payment Date, means the May 1 or November 1 (whether or not such day is a Business Day) immediately preceding the applicable May 15 or November 15 Interest Payment Date, respectively. 

“Regulation D” means Regulation D as promulgated under the Securities Act. 

“Relevant Exchange” means any of The New York Stock Exchange, The NYSE American, The Nasdaq Global Select Market, The
Nasdaq Global Market or The Nasdaq Capital Market (or any of their respective successors). 
 “Responsible
Officer” means, when used with respect to the Trustee, any officer within the corporate trust department of the Trustee, including any vice president, assistant vice president, assistant secretary, assistant treasurer, trust officer or any
other officer of the Trustee who customarily performs functions similar to those performed by the Persons who at the time shall be such officers, respectively, or to whom any corporate trust matter is referred because of such person’s knowledge
of and familiarity with the particular subject and who shall have direct responsibility for the administration of this Indenture. 

“Restricted Global Note” means a Global Note that is a Restricted Note. 

“Restricted Physical Note” means a Physical Note that is a Restricted Note. 

“Restricted Note” shall have the meaning specified in Section 2.05(c)(i). 

  
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 “Restricted Notes Resale Restriction Termination Date” shall have
the meaning specified in Section 2.05(c)(i). 
 “Restricted Ownership Percentage” shall have the meaning
specified in Section 14.12(a). 
 “Restricted Securities” shall have the meaning specified in Section
2.05(c)(i). 
 “Rule 144” means Rule 144 as promulgated under the Securities Act. 

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

“Rule 144A Global Note” means a Global Note substantially in the form of Exhibit A hereto bearing the legend set forth
in Section 2.05(c)(i) and deposited with or on behalf of, and registered in the name of, the Depositary or its nominee that will be issued in a denomination equal to the outstanding principal amount of the Notes sold to QIBs. 

“Scheduled Trading Day” means a day that is scheduled to be a Trading Day on the principal U.S. national or regional
securities exchange or market on which the Common Stock is listed or admitted for trading. If the Common Stock is not so listed or admitted for trading, “Scheduled Trading Day” means a Business Day. 

“Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations promulgated
thereunder. 
 “Senior Secured Notes” means the $78,125,000 in aggregate principal amount of the
Company’s Senior Secured Floating Rate Notes due 2025. 
 “Senior Secured Notes Documents” means the
Senior Secured Notes Indenture and the other “Notes Documents” under and as defined in the Senior Secured Notes Indenture, as each document may be amended, restated, supplemented or otherwise modified from time to time in accordance with
the terms of this Indenture. 
 “Senior Secured Notes Indenture” means the Indenture relating to the Senior
Secured Notes dated as of the date hereof, among the Company, the guarantors party thereto and Wilmington Trust, National Association, as trustee and security agent, as such document may be amended, restated, supplemented or otherwise modified from
time to time, in accordance with the terms of this Indenture. 
 “Settlement Amount” has the meaning
specified in Section 14.02(a)(iv). 
 “Settlement Method” means, with respect to any conversion of Notes,
Physical Settlement or Cash Settlement, as elected (or deemed to have been elected) by the Company. 
 “Settlement
Notice” has the meaning specified in Section 14.02(a)(iii). 
 “Share Exchange Event” shall have the
meaning specified in Section 14.07(a). 

  
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 “Significant Subsidiary” means a Subsidiary of the Company that
meets the definition of “significant subsidiary” in Article 1, Rule 1-02 of Regulation S-X under the Exchange Act. 

“Subsidiary” means, with respect to any Person, any corporation, association, partnership or other business entity of
which more than 50% of the total voting power of shares of Capital Stock or other interests (including partnership interests) entitled (without regard to the occurrence of any contingency) to vote in the election of directors, managers, general
partners or trustees thereof is at the time owned or controlled, directly or indirectly, by (i) such Person; (ii) such Person and one or more Subsidiaries of such Person; or (iii) one or more Subsidiaries of such Person. 

“Successor Company” shall have the meaning specified in Section 11.01(a). 

“Trading Day” means a day on which (i) trading in the Common Stock (or other security for which a closing sale
price must be determined) generally occurs on the principal U.S. national or regional securities exchange on which the Common Stock (or such other security) is then listed or, if the Common Stock (or such other security) is not then listed on a U.S.
national or regional securities exchange, on the principal other market on which the Common Stock (or such other security) is then traded and (ii) a Last Reported Sale Price for the Common Stock (or closing sale price for such other security)
is available on such securities exchange or market; provided that if the Common Stock (or such other security) is not so listed or traded, “Trading Day” means a Business Day; and provided,
further, that for purposes of determining amounts due upon conversion only, “Trading Day” means a day on which (x) there is no Market Disruption Event and (y) trading in the Common Stock generally
occurs on the principal 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 listed or admitted for trading, except that if the Common Stock is not so listed or admitted for trading, “Trading Day” means a Business Day. 

“Transaction Agreement” means the transaction agreement dated as of, and filed in the United States Bankruptcy Court
for the Southern District of Texas on, May 9, 2020, among the Consenting Term Lenders and the Participating Noteholders (each as defined therein) [Docket No. 316]. 

“transfer” shall have the meaning specified in Section 2.05(c). 

“Trigger Event” shall have the meaning specified in Section 14.04(a). 

“Trust Indenture Act” means the Trust Indenture Act of 1939, as amended, as it was in force at the date of execution
of this Indenture; provided, however, that in the event the Trust Indenture Act of 1939 is amended after the date hereof, the term “Trust Indenture Act” shall mean, to the extent required by such
amendment, the Trust Indenture Act of 1939, as so amended. 
 “Trustee” means the Person named as the
“Trustee” in the first paragraph of this Indenture until a successor trustee shall have become such pursuant to the applicable provisions of this Indenture, and thereafter “Trustee” shall mean or include each Person
who is then a Trustee hereunder. 

  
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 “unit of Reference Property” shall have the meaning specified in
Section 14.07(a). 
 “Unrestricted Global Note” means a Global Note that is not a Restricted Note.

 “Unrestricted Physical Note” means a Physical Note that is not a Restricted Note. 

“Wholly Owned Subsidiary” means, with respect to any Person, any Subsidiary of such Person, except that, solely for
purposes of this definition, the reference to “more than 50%” in the definition of “Subsidiary” shall be deemed replaced by a reference to “100%”. 

ARTICLE 2 
 ISSUE,
DESCRIPTION, EXECUTION, REGISTRATION AND EXCHANGE OF NOTES 

Section 2.01. Designation and Amount. The Notes shall be designated as the “5.00% Convertible Senior Unsecured PIK Notes due
2025.” The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is limited to $129,771,000 (the “Initial Notes”), except for Notes authenticated and delivered upon the issuance of PIK
Notes, registration or transfer of, or in exchange for, or in lieu of other Notes to the extent expressly permitted hereunder. PIK Notes shall be issued in minimum denominations of $1.00 and integral multiples of $1.00 in excess thereof. 

Section 2.02. Form of Notes. The Notes and the Trustee’s certificate of authentication to be borne by such Notes shall be
substantially in the respective forms set forth in Exhibit A, the terms and provisions of which shall constitute, and are hereby expressly incorporated in and made a part of this Indenture; provided that to the extent any provision of any Note
conflicts with the provisions of this Indenture, the provisions of this Indenture shall control and govern. To the extent applicable, the Company and the Trustee, by their execution and delivery of this Indenture, expressly agree to such terms and
provisions and to be bound thereby. 
 Any Global Note may be endorsed with or have incorporated in the text thereof such legends or
recitals or changes not inconsistent with the provisions of this Indenture as may be required by the Custodian or the Depositary, or as may be required to comply with any applicable law or any regulation thereunder or with the rules and regulations
of any securities exchange or automated quotation system upon which the Notes may be listed or traded or designated for issuance or to conform with any usage with respect thereto, or to indicate any special limitations or restrictions to which any
particular Notes are subject. 
 Any of the Notes may have such letters, numbers or other marks of identification and such notations,
legends or endorsements as the Officer executing the same may approve (execution thereof to be conclusive evidence of such approval) and as are not inconsistent with the provisions of this Indenture, or as may be required to comply with any law or
with any rule or regulation made pursuant thereto or with any rule or regulation of any securities exchange or automated quotation system on which the Notes may be listed or designated for issuance (and the Company shall notify the Trustee of any
such listing or designation), or to conform to usage or to indicate any special limitations or restrictions to which any particular Notes are subject. 

  
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 Each Global Note shall represent such principal amount of the outstanding Notes as shall be
specified therein and shall provide that it shall represent the aggregate principal amount of outstanding Notes from time to time endorsed thereon and that the aggregate principal amount of outstanding Notes represented thereby may from time to time
be increased or reduced to reflect repurchases, cancellations, conversions, transfers or exchanges permitted hereby. Any endorsement of a Global Note to reflect the amount of any increase or decrease in the amount of outstanding Notes represented
thereby shall be made by the Trustee or the Custodian, at the direction of the Trustee, in such manner and upon instructions given by the Holder of such Notes or the Company in accordance with this Indenture. Payment of principal (including the
Fundamental Change Repurchase Price, if applicable) of, and accrued interest that has not been paid on, a Global Note shall be made to the Holder of such Note on the date of payment, unless a record date or other means of determining Holders
eligible to receive payment is provided for herein. 
 Section 2.03. Date and Denomination of Notes; Payments of Interest and Defaulted
Amounts. (a) The Notes shall be issuable in registered form without coupons in minimum denominations of $1.00 principal amount and integral multiples of $1.00 in excess thereof. Each Note shall be dated the date of its authentication and
shall bear interest from the date specified on the face of such Note. Accrued interest on the Notes shall be computed on the basis of a 360-day year composed of twelve 30-day months and, for partial months, on the basis of the number of days
actually elapsed in a 30-day month. 
 (b) Intentionally Omitted. 

(c) Any Defaulted Amounts shall forthwith cease to be payable to the Holder on the relevant payment date but shall accrue
interest per annum at the rate borne by the Notes plus two percent, subject to the enforceability thereof under applicable law, from, and including, such relevant payment date, and such Defaulted Amounts together with such interest thereon
shall be paid by the Company, at its election in each case, as provided in clause (i) or (ii) below: 
 (i) The
Company may elect to make payment of any Defaulted Amounts to the Persons in whose names the Notes (or their respective Predecessor Notes) are registered at the close of business on a special record date for the payment of such Defaulted Amounts,
which shall be fixed in the following manner. The Company shall notify the Trustee in writing of the amount of the Defaulted Amounts proposed to be paid on each Note and the date of the proposed payment (which shall be not less than 25 days after
the receipt by the Trustee of such notice), and at the same time the Company shall deposit with the Trustee an amount of money equal to the aggregate amount to be paid in respect of such Defaulted Amounts or shall make arrangements satisfactory to
the Trustee for such deposit on or prior to the date of the proposed payment, such money when deposited to be held in trust for the benefit of the Persons entitled to such Defaulted Amounts as in this clause provided. Thereupon the Company shall fix
a special record date for the payment of such Defaulted Amounts which shall be not more than 15 days 

  
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and not less than 10 days prior to the date of the proposed payment, and not less than 15 days after the receipt by the Trustee of the notice of the proposed payment. The Company shall promptly
notify the Trustee of such special record date and the Trustee, in the name and at the expense of the Company, shall cause notice of the proposed payment of such Defaulted Amounts and the special record date therefor to be delivered to each Holder
not less than 10 days prior to such special record date. Notice of the proposed payment of such Defaulted Amounts and the special record date therefor having been so delivered, such Defaulted Amounts shall be paid to the Persons in whose names the
Notes (or their respective Predecessor Notes) are registered at the close of business on such special record date and shall no longer be payable pursuant to the following clause (ii) of this Section 2.03(c). 

(ii) The Company may make payment of any Defaulted Amounts in any other lawful manner not inconsistent with the requirements of
any securities exchange or automated quotation system on which the Notes may be listed or designated for issuance, and upon such notice as may be required by such exchange or automated quotation system, if, after notice given by the Company to the
Trustee of the proposed payment pursuant to this clause, such manner of payment shall be deemed practicable by the Trustee. 
 (d) The
Company shall pay interest on the Notes on any Interest Payment Date by directing in a written order dated no later than the applicable Interest Payment Date the increase of the Capitalized Principal Amount of the Notes by the Capitalization Amount
for such Interest Payment Date, effective as of such Interest Payment Date; provided that the Capitalized Principal Amount shall be rounded up to the nearest $1.00; provided that for any Notes (1) converted with a Conversion Date
after a Regular Record Date and on or prior to the corresponding Interest Payment Date; (2) repurchased on a Fundamental Change Repurchase Date that is after a Regular Record Date and on or prior to the corresponding Interest Payment Date; or
(3) automatically converted pursuant to Section 14.01(b), any Capitalization Amount by which the Capitalized Principal Amount for such Notes would have been increased on such corresponding Interest Payment Date shall instead be paid in
cash to the relevant Holder(s) of such Notes as of such Regular Record Date, and no such increase shall be made to the Capitalized Principal Amount of such Notes. Notwithstanding the foregoing or anything to the contrary in this Indenture, if the
Notes are represented by one or more Physical Notes, or if the Company is prohibited by the requirements of the Depository or law with respect to Global Notes from paying interest by increasing the Capitalized Principal Amount of the Notes, the
Company may, at its option, in lieu of increasing the Capitalized Principal Amount of the Notes by the Capitalization Amount for such Interest Payment Date, pay interest due and payable on such Physical Notes or Global Notes, as the case may be, by
authenticating additional Notes (in the form of Physical Notes or Global Notes, as applicable) on the relevant Interest Payment Date (the “PIK Notes”) in an aggregate principal amount equal to the relevant Capitalization Amount. If
the Company elects to issue PIK Notes, the Company shall direct the Trustee in a written order dated no later than five Business Days prior to the applicable Interest Payment Date to authenticate and deliver PIK Notes, dated as of the applicable
Interest Payment Date, in an aggregate amount equal to the Capitalization Amount for the applicable interest period (rounded up to the nearest $1.00). 

  
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 Section 2.04. Execution, Authentication and Delivery of Notes. The Notes shall be
signed in the name and on behalf of the Company by the manual or facsimile signature of its Chief Executive Officer, President, Chief Financial Officer, Treasurer, Secretary or any of its Executive or Senior Vice Presidents. 

At any time and from time to time after the execution and delivery of this Indenture, the Company may deliver Notes executed by the Company to
the Trustee for authentication, together with a Company Order for the authentication and delivery of such Notes, and the Trustee in accordance with such Company Order shall authenticate and deliver such Notes, without any further action by the
Company hereunder. 
 Only such Notes as shall bear thereon a certificate of authentication substantially in the form set forth on the Form
of Note attached as Exhibit A hereto, executed manually by an authorized officer of the Trustee (or an authenticating agent appointed by the Trustee as provided by Section 17.10), shall be entitled to the benefits of this Indenture or be valid
or obligatory for any purpose. Such certificate by the Trustee (or such an authenticating agent) upon any Note executed by the Company shall be conclusive evidence that the Note so authenticated has been duly authenticated and delivered hereunder
and that the Holder is entitled to the benefits of this Indenture. 
 In case any Officer of the Company who shall have signed any of the
Notes shall cease to be such Officer before the Notes so signed shall have been authenticated and delivered by the Trustee, or disposed of by the Company, such Notes nevertheless may be authenticated and delivered or disposed of as though the person
who signed such Notes had not ceased to be such Officer of the Company; and any Note may be signed on behalf of the Company by such persons as, at the actual date of the execution of such Note, shall be the Officers of the Company, although at the
date of the execution of this Indenture any such person was not such an Officer. 
 Section 2.05. Exchange and Registration of Transfer
of Notes; Restrictions on Transfer; Depositary. 
 (a) The Company shall cause to be kept at the Corporate Trust Office a register (the
register maintained in such office or in any other office or agency of the Company designated pursuant to Section 4.02, the “Note Register”) in which, subject to such reasonable regulations as it may prescribe, the Company
shall provide for the registration of Notes and of transfers of Notes. Such register shall be in written form or in any form capable of being converted into written form within a reasonable period of time. The Trustee is hereby initially appointed
the “Note Registrar” for the purpose of registering Notes and transfers of Notes as herein provided. The Company may appoint one or more co-Note Registrars in accordance with Section 4.02. 

Upon surrender for registration of transfer of any Note to the Note Registrar or any co-Note Registrar, and satisfaction of the requirements
for such transfer set forth in this Section 2.05, the Company shall execute, and the Trustee shall authenticate and deliver upon receipt of a Company Order, in the name of the designated transferee or transferees, one or more new Notes of any
authorized denominations and of a like aggregate principal amount and bearing such restrictive legends as may be required by this Indenture. 

  
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 Notes may be exchanged for other Notes of any authorized denominations and of a like
aggregate principal amount, upon surrender of the Notes to be exchanged at any such office or agency maintained by the Company pursuant to Section 4.02. Whenever any Notes are so surrendered for exchange, the Company shall execute, and the
Trustee shall authenticate and deliver upon receipt of a Company Order, the Notes that the Holder making the exchange is entitled to receive, bearing registration numbers not contemporaneously outstanding. 

All Notes presented or surrendered for registration of transfer or for exchange, repurchase or conversion shall (if so required by the
Company, the Trustee, the Note Registrar or any co-Note Registrar) be duly endorsed, or be accompanied by a written instrument or instruments of transfer in form satisfactory to the Company and duly executed, by the Holder thereof or its
attorney-in-fact duly authorized in writing. 
 No service charge shall be imposed by the Company, the Trustee, the Note Registrar, any
co-Note Registrar or the Paying Agent for any exchange or registration of transfer of Notes, but the Company may require a Holder to pay a sum sufficient to cover any documentary, stamp or similar issue or transfer tax required in connection
therewith as a result of the name of the Holder of new Notes issued upon such exchange or registration of transfer being different from the name of the Holder of the old Notes surrendered for exchange or registration of transfer. 

None of the Company, the Trustee, the Note Registrar or any co-Note Registrar shall be required to exchange or register a transfer of
(i) any Notes surrendered for conversion or, if a portion of any Note is surrendered for conversion, such portion thereof surrendered for conversion or (ii) any Notes, or a portion of any Note, surrendered for repurchase (and not
withdrawn) in accordance with Article 15. 
 All Notes issued upon any registration of transfer or exchange of Notes in accordance with this
Indenture shall be the valid obligations of the Company, evidencing the same debt, and entitled to the same benefits under this Indenture as the Notes surrendered upon such registration of transfer or exchange. 

(b) So long as the Notes are eligible for book-entry settlement with the Depositary, unless otherwise required by law, subject to the third
paragraph of Section 2.05(c)(vi) all Notes shall be represented by one or more Notes in global form (each, a “Global Note”) registered in the name of the Depositary or the nominee of the Depositary. The transfer and exchange of
beneficial interests in a Global Note that does not involve the issuance of a Physical Note shall be effected through the Depositary (but not the Trustee or the Custodian) in accordance with this Indenture (including the restrictions on transfer set
forth herein) and the procedures of the Depositary therefor. 
 (c) (i) Every Note that bears or is required under this Section 2.05(c)(i)
to bear the legend set forth in this Section 2.05(c)(i) (each, a “Restricted Note” and, together with any Common Stock issued upon conversion of Restricted Notes that is required to bear the legend set forth in Section 2.05(d), the
“Restricted Securities”), shall be subject to the restrictions on transfer set forth in this Section 2.05(c)(i) (including the legend set forth below), unless such restrictions on transfer shall be eliminated or otherwise waived by
written consent of the Company, and the Holder of each such Restricted Security, by such Holder’s acceptance thereof, agrees to be bound by all such restrictions on transfer. As used in this Section 2.05(c) and Section 2.05(d), the
term “transfer” encompasses any sale, pledge, transfer or other disposition whatsoever of any Restricted Security or AI Security. 

  
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 Until the date (the “Restricted Notes Resale Restriction Termination
Date”) that is the later of (1) the date that is one year after the last date of original issuance of the Notes, or such shorter period of time as permitted by Rule 144 or any successor provision thereto, and (2) such later date,
if any, as may be required by applicable law, any certificate evidencing such Note (and all securities issued in exchange therefor or substitution thereof, other than Common Stock, if any, issued upon conversion thereof, which shall bear the legend
set forth in Section 2.05(d), if applicable) shall bear a legend in substantially the following form (unless such Notes have been transferred pursuant to a registration statement that has become or been declared effective under the Securities
Act and that continues to be effective at the time of such transfer, or sold pursuant to the exemption from registration provided by Rule 144 or any similar provision then in force under the Securities Act, or unless otherwise agreed by the Company
in writing, with notice thereof to the Trustee): 
 THIS SECURITY AND THE COMMON STOCK, IF ANY, ISSUABLE UPON CONVERSION OF
THIS SECURITY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT IN ACCORDANCE WITH THE FOLLOWING SENTENCE. 

BY ITS ACQUISITION HEREOF OR OF A BENEFICIAL INTEREST HEREIN, THE ACQUIRER: 

(1) REPRESENTS THAT [INSERT FOR RULE 144A GLOBAL NOTE: IT AND ANY ACCOUNT FOR WHICH IT IS ACTING IS A “QUALIFIED
INSTITUTIONAL BUYER” (WITHIN THE MEANING OF RULE 144A UNDER THE SECURITIES ACT) AND THAT IT EXERCISES SOLE INVESTMENT DISCRETION WITH RESPECT TO EACH SUCH ACCOUNT,] [INSERT FOR AI GLOBAL NOTE: IT AND ANY ACCOUNT FOR WHICH IT IS ACTING IS AN
“ACCREDITED INVESTOR” (WITHIN THE MEANING OF RULE 501(a) UNDER THE SECURITIES ACT) AND THAT IT EXERCISES SOLE INVESTMENT DISCRETION WITH RESPECT TO EACH SUCH ACCOUNT,] AND 

(2) AGREES FOR THE BENEFIT OF PIONEER ENERGY SERVICES CORP. (THE “COMPANY”) THAT IT WILL NOT OFFER, SELL, PLEDGE OR
OTHERWISE TRANSFER THIS SECURITY OR ANY BENEFICIAL INTEREST HEREIN PRIOR TO THE DATE THAT IS THE LATER OF (X) ONE YEAR AFTER THE LAST ORIGINAL ISSUE DATE HEREOF OR SUCH SHORTER PERIOD OF TIME AS PERMITTED BY RULE 144 UNDER THE SECURITIES ACT OR
ANY SUCCESSOR PROVISION THERETO AND (Y) SUCH LATER DATE, IF ANY, AS MAY BE REQUIRED BY APPLICABLE LAW, EXCEPT: 
 (A) TO
THE COMPANY OR ANY SUBSIDIARY THEREOF, OR 

  
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 (B) PURSUANT TO A REGISTRATION STATEMENT WHICH HAS BECOME EFFECTIVE UNDER
THE SECURITIES ACT, OR 
 (C) TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, OR

 (D) PURSUANT TO AN EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT OR ANY OTHER AVAILABLE
EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. 
 PRIOR TO THE REGISTRATION OF ANY TRANSFER IN ACCORDANCE WITH CLAUSE
(2)(D) ABOVE, THE COMPANY RESERVES THE RIGHT TO REQUIRE THE DELIVERY OF SUCH LEGAL OPINIONS, CERTIFICATIONS OR OTHER EVIDENCE AS MAY REASONABLY BE REQUIRED IN ORDER TO DETERMINE THAT THE PROPOSED TRANSFER IS BEING MADE IN COMPLIANCE WITH THE
SECURITIES ACT AND APPLICABLE STATE SECURITIES LAWS. NO REPRESENTATION IS MADE AS TO THE AVAILABILITY OF ANY EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. 

(ii) [Reserved]. 

(iii) No transfer of any Restricted Note prior to the Restricted Notes Resale Restriction Termination Date will be registered
by the Note Registrar unless (x) the applicable box on the Form of Assignment and Transfer has been checked, (y) the Trustee has received a certificate in the form of Exhibit B-1 hereto and (iii) in the case of a transfer to an AI,
the Trustee has received a certificate in the form of Exhibit B-2 hereto. 
 (iv) Any Restricted Note (or security issued in
exchange or substitution therefor) (x) as to which the restrictions on transfer set forth in Section 2.05(c)(i) shall have expired in accordance with their terms, (y) that has been transferred pursuant to a registration statement that
has become effective or been declared effective under the Securities Act and that continues to be effective at the time of such transfer or (z) that has been sold pursuant to the exemption from registration provided by Rule 144 or any similar
provision then in force under the Securities Act, may, upon surrender of such Note for exchange to the Note Registrar in accordance with the provisions of this Section 2.05, be exchanged for a new Note or Notes, of like tenor and aggregate
principal amount, which shall not bear the restrictive legend required by Section 2.05(c)(i) and shall not be assigned a restricted CUSIP number. The Company shall be entitled to instruct the Custodian in writing to so surrender any Global Note
representing Restricted Notes as to which any of the conditions set forth in clause (x) through (z) of the immediately preceding sentence have been satisfied, and, upon such instruction, the Custodian shall so surrender such Global Note
for exchange; and any new Global Note so exchanged therefor shall not bear the restrictive legend specified in Section 2.05(c)(i) and shall not be assigned a restricted CUSIP number. The Company shall promptly notify the Trustee upon the
occurrence of the Restricted Notes Resale Restriction Termination Date and promptly after a registration statement, if any, with respect to the Notes or any Common Stock issued upon conversion of the Notes has been declared effective under the
Securities Act. 

  
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 (v) [Reserved]. 

(vi) Notwithstanding any other provisions of this Indenture (other than the provisions set forth in this Section 2.05(c)),
a Global Note may not be transferred as a whole or in part except (i) by the Depositary to a nominee of the Depositary or by a nominee of the Depositary to the Depositary or another nominee of the Depositary or by the Depositary or any such
nominee to a successor Depositary or a nominee of such successor Depositary and (ii) for exchange of a Global Note or a portion thereof for one or more Physical Notes in accordance with the second immediately succeeding paragraph. 

The Depositary shall be a clearing agency registered under the Exchange Act. The Company initially appoints The Depository Trust Company to
act as Depositary with respect to each Global Note. Initially, each Global Note shall be issued to the Depositary, registered in the name of Cede & Co., as the nominee of the Depositary, and deposited with the Trustee as custodian for
Cede & Co. 
 If (i) the Depositary notifies the Company at any time that the Depositary is unwilling or unable to continue as
depositary for the Global Notes and a successor depositary is not appointed within 90 days, (ii) the Depositary ceases to be registered as a clearing agency under the Exchange Act and a successor depositary is not appointed within 90 days or
(iii) an Event of Default with respect to the Notes has occurred and is continuing and a beneficial owner of any Note requests that its beneficial interest therein be issued as a Physical Note, the Company shall execute, and the Trustee, upon
receipt of an Officers’ Certificate and a Company Order for the authentication and delivery of Notes, shall authenticate and deliver (x) in the case of clause (iii), a Physical Note to such beneficial owner in an aggregate principal amount
equal to the aggregate principal amount of such Note corresponding to such beneficial owner’s beneficial interest and (y) in the case of clause (i) or (ii), Physical Notes to each beneficial owner of the related Global Notes (or a
portion thereof) in an aggregate principal amount equal to the aggregate principal amount of such Global Notes in exchange for such Global Notes, and upon delivery of the Global Notes to the Trustee such Global Notes shall be canceled. 

Physical Notes issued in exchange for all or a part of the Global Note pursuant to this Section 2.05(c) shall be registered in such names
and in such authorized denominations as the Depositary, pursuant to instructions from its direct or indirect participants or otherwise, or, in the case of clause (iii) of the immediately preceding paragraph, the relevant beneficial owner, shall
instruct the Trustee. Upon execution and authentication, the Trustee shall deliver such Physical Notes to the Persons in whose names such Physical Notes are so registered. 

At such time as all interests in a Global Note have been converted, canceled, repurchased or transferred, such Global Note shall be, upon
receipt thereof, canceled by the Trustee in accordance with standing procedures and existing instructions between the Depositary and the Custodian. At any time prior to such cancellation, if any interest in a Global Note is exchanged


  
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for Physical Notes, converted, canceled, repurchased or transferred to a transferee who receives Physical Notes therefor or any Physical Note is exchanged or transferred for part of such Global
Note, the aggregate principal amount of such Global Note shall, in accordance with the standing procedures and instructions existing between the Depositary and the Custodian, be appropriately reduced or increased, as the case may be, and an
endorsement shall be made on such Global Note, by the Trustee or the Custodian, at the direction of the Trustee, to reflect such reduction or increase. 

None of the Company, the Trustee or any agent of the Company or the Trustee shall have any responsibility or liability for any aspect of the
records relating to or payments made on account of beneficial ownership interests of a Global Note or maintaining, supervising or reviewing any records relating to such beneficial ownership interests. 

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

THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND MAY NOT
BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT IN ACCORDANCE WITH THE FOLLOWING SENTENCE. 
 BY ITS ACQUISITION HEREOF OR
OF A BENEFICIAL INTEREST HEREIN, THE ACQUIRER: 
 (1) REPRESENTS THAT [INSERT FOR COMMON STOCK ISSUED IN EXCHANGE FOR
INTERESTS IN A RULE 144A GLOBAL NOTE: IT AND ANY ACCOUNT FOR WHICH IT IS ACTING IS A “QUALIFIED INSTITUTIONAL BUYER” (WITHIN THE MEANING OF RULE 144A UNDER THE SECURITIES ACT) AND THAT IT EXERCISES SOLE INVESTMENT DISCRETION WITH RESPECT
TO EACH SUCH ACCOUNT,] 
 [INSERT FOR COMMON STOCK ISSUED IN EXCHANGE FOR INTERESTS IN AN AI GLOBAL NOTE: IT AND ANY ACCOUNT
FOR WHICH IT IS ACTING IS AN “ACCREDITED INVESTOR” (WITHIN THE MEANING OF RULE 501(a) UNDER THE SECURITIES ACT) AND THAT IT EXERCISES SOLE INVESTMENT DISCRETION WITH RESPECT TO EACH SUCH ACCOUNT,] AND 

  
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 (2) AGREES FOR THE BENEFIT OF PIONEER ENERGY SERVICES CORP. (THE
“COMPANY”) THAT IT WILL NOT OFFER, SELL, PLEDGE OR OTHERWISE TRANSFER THIS SECURITY OR ANY BENEFICIAL INTEREST HEREIN PRIOR TO THE DATE THAT IS THE LATER OF (X) ONE YEAR AFTER THE LAST ORIGINAL ISSUE DATE OF THE SERIES OF NOTES
UPON THE CONVERSION OF WHICH THIS SECURITY WAS ISSUED OR SUCH SHORTER PERIOD OF TIME AS PERMITTED BY RULE 144 UNDER THE SECURITIES ACT OR ANY SUCCESSOR PROVISION THERETO AND (Y) SUCH LATER DATE, IF ANY, AS MAY BE REQUIRED BY APPLICABLE LAW,
EXCEPT: 
 (A) TO THE COMPANY OR ANY SUBSIDIARY THEREOF, OR 

(B) PURSUANT TO A REGISTRATION STATEMENT WHICH HAS BECOME EFFECTIVE UNDER THE SECURITIES ACT, OR 

(C) TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, OR 

(D) PURSUANT TO AN EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT OR ANY OTHER AVAILABLE EXEMPTION
FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. 
 PRIOR TO THE REGISTRATION OF ANY TRANSFER IN ACCORDANCE WITH CLAUSE
(2)(D) ABOVE, THE COMPANY AND THE TRANSFER AGENT FOR THE COMPANY’S COMMON STOCK RESERVE THE RIGHT TO REQUIRE THE DELIVERY OF SUCH LEGAL OPINIONS, CERTIFICATIONS OR OTHER EVIDENCE AS MAY REASONABLY BE REQUIRED IN ORDER TO DETERMINE THAT THE
PROPOSED TRANSFER IS BEING MADE IN COMPLIANCE WITH THE SECURITIES ACT AND APPLICABLE STATE SECURITIES LAWS. NO REPRESENTATION IS MADE AS TO THE AVAILABILITY OF ANY EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. 

Any such Common Stock (x) as to which such restrictions on transfer shall have expired in accordance with their terms, (y) that has
been transferred pursuant to a registration statement that has become or been declared effective under the Securities Act and that continues to be effective at the time of such transfer or (z) that has been sold pursuant to the exemption from
registration provided by Rule 144 or any similar provision then in force under the Securities Act, may, upon surrender of the certificates representing such shares of Common Stock for exchange in accordance with the procedures of the transfer agent
for the Common Stock, be exchanged for a new certificate or certificates for a like aggregate number of shares of Common Stock, which shall not bear the restrictive legend required by this Section 2.05(d). 

(e) The Company shall cause any Restricted Note that is repurchased or owned by it to be surrendered to the Trustee for cancellation in
accordance with Section 2.08. 

  
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 (f) None of the Trustee, the Paying Agent or the Note Registrar shall have any obligation or
duty to monitor, determine or inquire as to compliance with any restrictions on transfer imposed under this Indenture or under applicable law with respect to any transfer of any interest in any Note (including any transfers between or among
Depositary participants or beneficial owners of interests in any Global Note) other than to require delivery of such certificates and other documentation or evidence as are required by, and to do so if and when expressly required by the terms of,
this Indenture, and to examine the same to determine substantial compliance as to form with the express requirements hereof. 
 Section
2.06. Mutilated, Destroyed, Lost or Stolen Notes. In case any Note shall become mutilated or be destroyed, lost or stolen, the Company in its discretion may execute, and upon receipt of a Company Order the Trustee or an authenticating agent
appointed by the Trustee shall authenticate and deliver, a new Note, bearing a registration number not contemporaneously outstanding, in exchange and substitution for the mutilated Note, or in lieu of and in substitution for the Note so destroyed,
lost or stolen. In every case the applicant for a substituted Note shall furnish to the Company, to the Trustee and, if applicable, to such authenticating agent such security or indemnity as may be required by them to save each of them harmless from
any loss, liability, cost or expense caused by or connected with such substitution, and, in every case of destruction, loss or theft, the applicant shall also furnish to the Company, to the Trustee and, if applicable, to such authenticating agent
evidence to their satisfaction of the destruction, loss or theft of such Note and of the ownership thereof. 
 The Trustee or such
authenticating agent may authenticate any such substituted Note and deliver the same upon the receipt of such security or indemnity as the Trustee, the Company and, if applicable, such authenticating agent may require. No service charge shall be
imposed by the Company, the Trustee, the Note Registrar, any co-Note Registrar or the Paying Agent upon the issuance of any substitute Note, but the Company may require a Holder to pay a sum sufficient to cover any documentary, stamp or similar
issue or transfer tax required in connection therewith as a result of the name of the Holder of the new substitute Note being different from the name of the Holder of the old Note that became mutilated or was destroyed, lost or stolen. In case any
Note that has matured or is about to mature or has been surrendered for required repurchase or is about to be converted in accordance with Article 14 shall become mutilated or be destroyed, lost or stolen, the Company may, in its sole discretion,
instead of issuing a substitute Note, pay or authorize the payment of or convert or authorize the conversion of the same (without surrender thereof except in the case of a mutilated Note), as the case may be, if the applicant for such payment or
conversion shall furnish to the Company, to the Trustee and, if applicable, to such authenticating agent such security or indemnity as may be required by them to save each of them harmless for any loss, liability, cost or expense caused by or
connected with such substitution, and, in every case of destruction, loss or theft, evidence satisfactory to the Company, the Trustee and, if applicable, any Paying Agent or Conversion Agent evidence of their satisfaction of the destruction, loss or
theft of such Note and of the ownership thereof. 
 Every substitute Note issued pursuant to the provisions of this Section 2.06 by virtue
of the fact that any Note is destroyed, lost or stolen shall constitute an additional contractual obligation of the Company, whether or not the destroyed, lost or stolen Note shall be found at any time, and shall be entitled to all the benefits of
(but shall be subject to all the limitations set 

  
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forth in) this Indenture equally and proportionately with any and all other Notes duly issued hereunder. To the extent permitted by law, all Notes shall be held and owned upon the express
condition that the foregoing provisions are exclusive with respect to the replacement, payment, conversion or repurchase of mutilated, destroyed, lost or stolen Notes and shall preclude any and all other rights or remedies notwithstanding any law or
statute existing or hereafter enacted to the contrary with respect to the replacement, payment, conversion or repurchase of negotiable instruments or other securities without their surrender. 

Section 2.07. Temporary Notes. Pending the preparation of Physical Notes, the Company may execute and the Trustee or an authenticating
agent appointed by the Trustee shall, upon written request of the Company, authenticate and deliver temporary Notes (printed or lithographed). Temporary Notes shall be issuable in any authorized denomination, and substantially in the form of the
Physical Notes but with such omissions, insertions and variations as may be appropriate for temporary Notes, all as may be determined by the Company. Every such temporary Note shall be executed by the Company and authenticated by the Trustee or such
authenticating agent upon the same conditions and in substantially the same manner, and with the same effect, as the Physical Notes. Without unreasonable delay, the Company shall execute and deliver to the Trustee or such authenticating agent
Physical Notes (other than any Global Note) and thereupon any or all temporary Notes (other than any Global Note) may be surrendered in exchange therefor, at each office or agency maintained by the Company pursuant to Section 4.02 and the
Trustee or such authenticating agent shall authenticate and deliver in exchange for such temporary Notes an equal aggregate principal amount of Physical Notes. Such exchange shall be made by the Company at its own expense and without any charge
therefor. Until so exchanged, the temporary Notes shall in all respects be entitled to the same benefits and subject to the same limitations under this Indenture as Physical Notes authenticated and delivered hereunder. 

Section 2.08. Cancellation of Notes Paid, Converted, Etc. The Company shall cause all Notes surrendered for the purpose of payment,
repurchase, registration of transfer or exchange or conversion, if surrendered to any Person other than the Trustee (including any of the Company’s agents, Subsidiaries or Affiliates), to be surrendered to the Trustee for cancellation. All
Notes delivered to the Trustee shall be canceled promptly by it. Except for any Notes surrendered for registration of transfer or exchange, or as otherwise expressly permitted by any of the provisions of this Indenture, no Notes shall be
authenticated in exchange for any Notes surrendered to the Trustee for cancellation. The Trustee shall dispose of canceled Notes in accordance with its customary procedures and, after such disposition, shall deliver a certificate of such disposition
to the Company, at the Company’s written request in a Company Order. 
 Section 2.09. CUSIP Numbers. The Company in issuing the
Notes may use “CUSIP” numbers (if then generally in use), and, if so, the Trustee shall use “CUSIP” numbers in all notices issued to Holders as a convenience to such 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 Notes or on such notice and that reliance may be placed only on the other identification numbers printed on the Notes. The Company shall promptly notify the
Trustee in writing of any change in the “CUSIP” numbers. 

  
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 Section 2.10. Repurchases. The Company may, to the extent permitted by law, and
directly or indirectly (regardless of whether such Notes are surrendered to the Company), repurchase Notes in the open market or otherwise, whether by the Company or its Subsidiaries or through a private or public tender or exchange offer or through
counterparties to private agreements, including by cash-settled swaps or other derivatives. The Company shall cause any Notes so repurchased (other than Notes repurchased pursuant to cash-settled swaps or other derivatives) to be surrendered to the
Trustee for cancellation in accordance with Section 2.08 and such Notes shall no longer be considered outstanding under this Indenture upon their repurchase. 

Section 2.11. Equity Voting Rights. Each Holder shall have the voting and other rights in respect of Common Stock as set forth in
Article 13. 
 ARTICLE 3 

SATISFACTION AND DISCHARGE 

Section 3.01. Satisfaction and Discharge. This Indenture shall upon request of the Company contained in an Officers’
Certificate cease to be of further effect, and the Trustee, at the expense of the Company, shall execute proper instruments acknowledging satisfaction and discharge of this Indenture, when (a) (i) all Notes theretofore authenticated and
delivered (other than Notes which have been destroyed, lost or stolen and which have been replaced, paid or converted as provided in Section 2.06) have been delivered to the Trustee for cancellation; or (ii) the Company has deposited with
the Trustee or delivered to Holders, as applicable, after the Notes have become due and payable, whether on the Maturity Date, any Fundamental Change Repurchase Date, upon conversion or otherwise, cash or shares of Common Stock, as applicable,
sufficient to pay all of the outstanding Notes and all other sums due and payable under this Indenture by the Company or satisfy the Company’s Conversion Obligation or Mandatory Conversion Obligation, as applicable; and (b) the Company has
delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel, each stating that all conditions precedent herein provided for relating to the satisfaction and discharge of this Indenture have been complied with. Notwithstanding
the satisfaction and discharge of this Indenture, the obligations of the Company to the Trustee under Section 7.06 shall survive. 

ARTICLE 4 

PARTICULAR COVENANTS OF THE COMPANY 

Section 4.01. Payment of Principal and Interest. The Company covenants and agrees that it will cause to be paid the principal
(including the Fundamental Change Repurchase Price, if applicable) of, and accrued interest on, each of the Notes at the places, at the respective times and in the manner provided herein and in the Notes. 

Section 4.02. Maintenance of Office or Agency. The Company will maintain in the contiguous United States of America, an office
or agency where the Notes may be surrendered for registration of transfer or exchange or for presentation for payment or repurchase (“Paying Agent”) or for conversion (“Conversion Agent”) and where notices and
demands to or upon the Company in respect of the Notes and this Indenture may be served. The Company will give prompt written notice to the Trustee of the location, and any change in the location, of such 

  
 28 













 
office or agency. If at any time the Company shall fail to maintain any such required office or agency or shall fail to furnish the Trustee with the address thereof, such presentations,
surrenders, notices and demands may be made or served at the Corporate Trust Office or the office or agency of the Trustee in the contiguous United States of America. 

The Company may also from time to time designate as co-Note Registrars one or more other offices or agencies where the Notes may be
presented or surrendered for any or all such purposes and may from time to time rescind such designations; provided that no such designation or rescission shall in any manner relieve the Company of its obligation to maintain an
office or agency in the contiguous United States of America, for such purposes. The Company will give prompt written notice to the Trustee of any such designation or rescission and of any change in the location of any such other office or agency.
The terms “Paying Agent” and “Conversion Agent” include any such additional or other offices or agencies, as applicable. 

The Company hereby initially designates the Trustee as the Paying Agent, Note Registrar, Custodian and Conversion Agent and the Corporate
Trust Office as the office or agency in the contiguous United States of America where Notes may be surrendered for registration of transfer or exchange or for presentation for payment or repurchase or for conversion and where notices and demands to
or upon the Company in respect of the Notes and this Indenture may be served. 
 Section 4.03. Appointments to Fill Vacancies in
Trustee’s Office. The Company, whenever necessary to avoid or fill a vacancy in the office of Trustee, will appoint, in the manner provided in Section 7.09, a Trustee, so that there shall at all times be a Trustee hereunder. 

Section 4.04. Provisions as to Paying Agent. (a) If the Company shall appoint a Paying Agent other than the Trustee, 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 Section 2.03(d) and this Section 4.04: 

(i) that it will hold all sums held by it as such agent for the payment of the principal (including the Fundamental Change
Repurchase Price, if applicable) of, and accrued interest that has not been paid on, the Notes in trust for the benefit of the Holders of the Notes; 

(ii) that it will give the Trustee prompt notice of any failure by the Company to make any payment of the principal (including
the Fundamental Change Repurchase Price, if applicable) of, and accrued interest that has not been paid on, the Notes when the same shall be due and payable; and 

(iii) that at any time during the continuance of an Event of Default, upon request of the Trustee, it will forthwith pay to the
Trustee all sums so held in trust. 
 Subject to Section 2.03(d), the Company shall, on or before each due date of the principal (including
the Fundamental Change Repurchase Price, if applicable) of, or accrued interest that has not been paid on, the Notes, deposit with the Paying Agent a sum sufficient to pay such principal (including the Fundamental Change Repurchase Price, if
applicable) or accrued interest 

  
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that has not been paid , and (unless such Paying Agent is the Trustee) the Company will promptly notify the Trustee of any failure to take such action; provided that if such deposit is made on
the due date, such deposit must be received by the Paying Agent by 11:00 a.m., New York City time, on such date. 
 (b) If the Company shall
act as its own Paying Agent, subject to Section 2.03(d), it will, on or before each due date of the principal (including the Fundamental Change Repurchase Price, if applicable) of, and accrued interest that has not been paid on, the Notes, set
aside, segregate and hold in trust for the benefit of the Holders of the Notes a sum sufficient to pay such principal (including the Fundamental Change Repurchase Price, if applicable) and accrued interest that has not been paid so becoming due and
will promptly notify the Trustee in writing of any failure to take such action and of any failure by the Company to make any payment of the principal (including the Fundamental Change Repurchase Price, if applicable) of, or accrued interest that has
not been paid on, the Notes when the same shall become due and payable. 
 (c) Anything in this Section 4.04 to the contrary
notwithstanding, the Company may, at any time, for the purpose of obtaining a satisfaction and discharge of this Indenture, or for any other reason, pay, cause to be paid or deliver to the Trustee all sums or amounts held in trust by the Company or
any Paying Agent hereunder as required by this Section 4.04, such sums or amounts to be held by the Trustee upon the trusts herein contained and upon such payment or delivery by the Company or any Paying Agent to the Trustee, the Company or
such Paying Agent shall be released from all further liability but only with respect to such sums or amounts. 
 (d) Any money and
shares of Common Stock deposited with the Trustee or any Paying Agent, or then held by the Company, in trust for the payment of the principal (including the Fundamental Change Repurchase Price, if applicable) of, accrued interest that has not been
paid on and the consideration due upon conversion of any Note and remaining unclaimed for two years after such principal (including the Fundamental Change Repurchase Price, if applicable), interest or consideration due upon conversion has become due
and payable shall be paid to the Company, subject to any applicable abandoned property law, on request of the Company contained in an Officers’ Certificate, or (if then held by the Company) shall be discharged from such trust; and the Holder of
such Note shall thereafter, as an unsecured general creditor, look only to the Company for payment thereof, and all liability of the Trustee or such Paying Agent with respect to such trust money and shares of Common Stock, and all liability of the
Company as trustee thereof, shall thereupon cease; provided, however, that the Trustee or such Paying Agent, before being required to make any such repayment, may at the expense of the Company cause to be published once, in a newspaper
published in the English language, customarily published on each Business Day and of general circulation in The Borough of Manhattan, The City of New York, notice that such money and shares of Common Stock remain unclaimed and that, after a date
specified therein, which shall not be less than 30 days from the date of such publication, any unclaimed balance of such money and shares of Common Stock then remaining will be repaid or delivered to the Company. 

Section 4.05. Existence. Subject to Article 11, the Company shall do or cause to be done all things necessary to preserve and keep in
full force and effect its corporate existence. 

  
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 Section 4.06. Rule 144A Information Requirement and Annual Reports. (a) At any
time the Company is not subject to Section 13 or 15(d) of the Exchange Act, the Company shall, so long as any of the Notes or any shares of Common Stock issuable upon conversion thereof shall, at such time, constitute “restricted
securities” within the meaning of Rule 144(a)(3) under the Securities Act, promptly provide to the Trustee and, upon written request, any Holder, beneficial owner or prospective purchaser of such Notes or any shares of Common Stock issuable
upon conversion of such Notes, the information required to be delivered pursuant to Rule 144A(d)(4) under the Securities Act to facilitate the resale of such Notes or shares of Common Stock pursuant to Rule 144A. The Company shall take such further
action as any Holder or beneficial owner of such Notes or such Common Stock may reasonably request to the extent from time to time required to enable such Holder or beneficial owner to sell such Notes or shares of Common Stock in accordance with
Rule 144A, as such rule may be amended from time to time. 
 (b) The Company shall file with the Trustee, within 15 days after the same are
required to be filed with the Commission, copies of any documents or reports that the Company is required to file with the Commission pursuant to Section 13 or 15(d) of the Exchange Act (giving effect to any grace period provided by Rule 12b-25
under the Exchange Act). Any such document or report that the Company files with the Commission via the Commission’s EDGAR system shall be deemed to be filed with the Trustee for purposes of this Section 4.06(b) at the time such documents
are filed via the EDGAR system. The Trustee shall have no liability or responsibility for the content, filing or timeliness of any report delivered or filed under or in connection with this Indenture or the transactions contemplated thereunder. 

(c) Delivery of the reports and documents described in subsection (b) above to the Trustee is for informational purposes only, and the
Trustee’s receipt of such shall not constitute constructive notice of any information contained therein or determinable from information contained therein, including the Company’s compliance with any of its covenants hereunder (as to which
the Trustee is entitled to conclusively rely on an Officers’ Certificate). 
 Section 4.07. Stay, Extension and Usury Laws. The
Company covenants (to the extent that it may lawfully do so) that it shall not at any time insist upon, plead, or in any manner whatsoever claim or take the benefit or advantage of, any stay, extension or usury law or other law that would prohibit
or forgive the Company from paying all or any portion of the principal of or interest on the Notes as contemplated herein, wherever enacted, now or at any time hereafter in force, or that may affect the covenants or the performance of this
Indenture; and the Company (to the extent it may lawfully do so) hereby expressly waives all benefit or advantage of any such law, and covenants that it will not, by resort to any such law, hinder, delay or impede the execution of any power herein
granted to the Trustee, but will suffer and permit the execution of every such power as though no such law had been enacted. 
 Section
4.08. Compliance Certificate; Statements as to Defaults. The Company shall deliver to the Trustee within 90 days after the end of each fiscal year of the Company (beginning with the fiscal year ending on December 31, 2020) an
Officers’ Certificate stating whether the signers thereof have knowledge of any failure by the Company to comply with all conditions and covenants then required to be performed under this Indenture and, if so, specifying each such failure and
the nature thereof. 

  
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 In addition, the Company shall deliver to the Trustee, as soon as possible, and in any event
within 30 days after an Officer of the Company has actual knowledge of the occurrence of any Event of Default or Default, an Officers’ Certificate setting forth the details of such Event of Default or Default, its status and the action that the
Company is taking or proposing to take in respect thereof. 
 Section 4.09. Further Instruments and Acts. Upon request of the
Trustee, the Company will execute and deliver such further instruments and do such further acts as may be reasonably necessary or proper to carry out more effectively the purposes of this Indenture. 

Section 4.10 Amendments or Waivers of ABL Credit Documents or Senior Secured Notes Documents. The Company shall not, and shall
not permit any of its Subsidiaries to, agree to any refinancing, replacement, amendment, restatement, supplement or other modification to, or waiver of, any ABL Credit Document or Senior Secured Notes Document (including, for the avoidance of doubt,
the Intercreditor Agreement) that would (a) restrict the Company from making payments in respect of the Notes or otherwise performing its obligations under this Indenture, in each case, that would otherwise be permitted under such ABL Credit
Document or Senior Secured Notes Document as in effect on the date hereof, (b) increase the amount of cash interest payable on the Senior Secured Notes on or prior to the first anniversary of the date hereof or (c) amend or modify any
provisions regarding the incurrence, amount, security or priority of Additional Notes Collateral Debt (as defined in the Intercreditor Agreement). The Company shall not fail to deliver notice to the trustee under the Senior Secured Notes Indenture
to direct the capitalization of interest as provided in the Senior Secured Notes Indenture. 
 Section 4.11 Certain Covenants Under
Senior Secured Notes Indenture. The Company shall comply with the covenants set forth in Sections 5.01 (Debt) and 5.02 (Liens) of the Senior Secured Notes Indenture as in effect as of the date hereof, without giving effect to any
amendment, restatement, supplement or other modification thereto, waiver or termination thereof, after the date hereof, in each case, as if such covenants were fully set forth herein, mutatis mutandis; provided that, for purposes hereof, the
reference in Section 5.01(c) and (n) of the Senior Secured Notes Indenture to $2,500,000 and $5,000,000, respectively, shall be deemed to be $2,750,000 and $5,500,000, respectively. 

ARTICLE 5 
 LISTS
OF HOLDERS AND REPORTS BY THE COMPANY AND THE TRUSTEE 

Section 5.01. Lists of Holders. The Company covenants and agrees that it will furnish or cause to be furnished to the Trustee,
semi-annually, not more than 15 days after each May 1 and November 1 in each year beginning with November 1, 2020, and at such other times as the Trustee may request in writing, within 30 days after receipt by the Company of any such
request (or such lesser time as the Trustee may reasonably request in order to enable it to timely provide any notice to be provided by it hereunder), a list in such form as the Trustee may reasonably require of the names and addresses of the
Holders as of a date not more than 15 days (or such other date as the Trustee may reasonably request in order to so provide any such notices) prior to the time such information is furnished, except that no such list need be furnished so long as the
Trustee is acting as Note Registrar. 

  
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 Section 5.02. Preservation and Disclosure of Lists. The Trustee shall preserve, in as
current a form as is reasonably practicable, all information as to the names and addresses of the Holders contained in the most recent list furnished to it as provided in Section 5.01 or maintained by the Trustee in its capacity as Note
Registrar, if so acting. The Trustee may destroy any list furnished to it as provided in Section 5.01 upon receipt of a new list so furnished. 

ARTICLE 6 
 DEFAULTS
AND REMEDIES 
 Section 6.01. Events of Default. Each of the following events shall be an
“Event of Default” with respect to the Notes: 
 (a) default in any payment of interest on any Note when due and payable,
and the default continues for a period of five (5) Business Days; 
 (b) default in the payment of principal of any Note when due and
payable on the Maturity Date, upon any required repurchase, upon declaration of acceleration or otherwise; 
 (c) failure by the Company to
comply with its obligation to convert the Notes in accordance with this Indenture if such failure continues for five (5) Business Days; 

(d) failure by the Company to issue a Fundamental Change Company Notice in accordance with Section 15.02(c) when due if such failure
continues for five (5) Business Days; 
 (e) failure by the Company to comply with its obligations under Article 11; 

(f) failure by the Company to comply with its obligations under Sections 4.05, 4.10, 4.11, 14.04 and 14.08; 

(g) failure by the Company for thirty (30) days after written notice from the Trustee or the Holders of at least 25% in aggregate
principal amount of the Notes then outstanding has been received by the Company to comply with any of its other agreements contained in the Notes or this Indenture; 

(h) default by the Company or any Subsidiary of the Company with respect to any indenture, mortgage, agreement or other instrument under which
there may be outstanding, or by which there may be secured or evidenced, any indebtedness for money borrowed in excess of $15,000,000 (or its foreign currency equivalent) in the aggregate of the Company and/or any such Subsidiary, whether such
indebtedness now exists or shall hereafter be created, (i) resulting in such indebtedness becoming or being declared due and payable or (ii) constituting a failure to pay the principal or interest of any such debt when due and payable at
its stated maturity, upon required repurchase, upon declaration of acceleration or otherwise; 
 (i) a final judgment or judgments for the
payment of $15,000,000 (or its foreign currency equivalent) or more (excluding any amounts covered by insurance) in the aggregate rendered against the Company or any Subsidiary of the Company, which judgment is not discharged, bonded, paid, waived
or stayed thirty (30) 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; 

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

(k) an involuntary case or other proceeding shall be commenced against the Company or any Significant Subsidiary seeking liquidation,
reorganization or other relief with respect to the Company or such Significant Subsidiary or its debts under any bankruptcy, insolvency or other similar law now or hereafter in effect or seeking the appointment of a trustee, receiver, liquidator,
custodian or other similar official of the Company or such Significant Subsidiary or any substantial part of its property, and such involuntary case or other proceeding shall remain undismissed and unstayed for a period of sixty
(60) consecutive days. 
 Section 6.02. Acceleration; Rescission and Annulment. If one or more Events of Default shall have
occurred and be continuing (whatever the reason for such Event of Default and whether it shall be voluntary or involuntary or be effected by operation of law or pursuant to any judgment, decree or order of any court or any order, rule or regulation
of any administrative or governmental body), then, and in each and every such case (other than an Event of Default specified in Section 6.01(j) or Section 6.01(k) with respect to the Company or any of its Significant Subsidiaries), unless
the principal of all of the Notes shall have already become due and payable, either the Trustee or the Holders of at least 25% in aggregate principal amount of the Notes then outstanding determined in accordance with Section 8.04, by notice in
writing to the Company (and to the Trustee if given by Holders), may declare 100% of the aggregate principal amount of, and any accrued interest that has not been paid on, all the outstanding Notes to be due and payable immediately, and upon any
such declaration the same shall become and shall automatically be immediately due and payable, anything contained in this Indenture or in the Notes to the contrary notwithstanding. If an Event of Default specified in Section 6.01(j) or
Section 6.01(k) with respect to the Company or any of its Significant Subsidiaries occurs and is continuing, an amount in cash per $1,000 principal amount of Notes equal to the greater of (x) $1,000, plus any accrued interest that
has not been paid on such principal amount and (y) the amount to be received by holders of Common Stock in such event per share multiplied by the Conversion Rate on the date such Event of Default, as determined in good faith by the Board
of Directors, shall become and shall automatically be immediately due and payable. 
 The immediately preceding paragraph, however, is
subject to the conditions that if, at any time after the principal of the Notes shall have been so declared due and payable, and before any judgment or decree for the payment of the monies due shall have been obtained or entered as hereinafter
provided, the Company shall pay or shall deposit with the Trustee a sum sufficient to 

  
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pay installments of accrued interest that has not been paid upon all Notes and the principal of any and all Notes that shall have become due otherwise than by acceleration (with interest on
overdue installments of accrued interest that has not been paid to the extent that payment of such interest is enforceable under applicable law, and on such principal at the rate borne by the Notes at such time, plus two (2) percent,
from the due date thereof) and amounts due to the Trustee pursuant to Section 7.06, and if (1) rescission would not conflict with any judgment or decree of a court of competent jurisdiction and (2) any and all existing Events of
Default under this Indenture, other than the nonpayment of the principal of and accrued interest that has not been paid , if any, on Notes that shall have become due solely by such acceleration, shall have been cured or waived pursuant to
Section 6.08, then and in every such case (except as provided in the immediately succeeding sentence) the Holders of a majority in aggregate principal amount of the Notes then outstanding, by written notice to the Company and to the Trustee,
may waive all Defaults or Events of Default with respect to the Notes and rescind and annul such declaration and its consequences and such Default shall cease to exist, and any Event of Default arising therefrom shall be deemed to have been cured
for every purpose of this Indenture; but no such waiver or rescission and annulment shall extend to or shall affect any subsequent Default or Event of Default, or shall impair any right consequent thereon. Notwithstanding anything to the contrary
herein, no such waiver or rescission and annulment shall extend to or shall affect any Default or Event of Default resulting from (i) the nonpayment of the principal (including the Fundamental Change Repurchase Price, if applicable) of, or
accrued interest that has not been paid on, any Notes, (ii) a failure to repurchase any Notes when required or (iii) a failure to pay or deliver, as the case may be, the consideration due upon conversion of the Notes. 

Section 6.03. Payments of Notes on Default; Suit Therefor. If an Event of Default described in clause (a) or (b) of
Section 6.01 shall have occurred, the Company shall, upon demand of the Trustee, pay to the Trustee, for the benefit of the Holders of the Notes, the whole amount then due and payable on the Notes for principal and interest, if any, with
interest on any overdue principal and interest, if any, at the rate borne by the Notes at such time, plus two percent, and, in addition thereto, such further amount as shall be sufficient to cover any amounts due to the Trustee under
Section 7.06. If the Company shall fail to pay such amounts forthwith upon such demand, the Trustee, in its own name and as trustee of an express trust, may institute a judicial proceeding for the collection of the sums so due and unpaid, may
prosecute such proceeding to judgment or final decree and may enforce the same against the Company or any other obligor upon the Notes and collect the moneys adjudged or decreed to be payable in the manner provided by law out of the property of the
Company or any other obligor upon the Notes, wherever situated. 
 In the event there shall be pending proceedings for the bankruptcy or for
the reorganization of the Company or any other obligor on the Notes under Title 11 of the United States Code, or any other applicable law, or in case a receiver, assignee or trustee in bankruptcy or reorganization, liquidator, sequestrator or
similar official shall have been appointed for or taken possession of the Company or such other obligor, the property of the Company or such other obligor, or in the event of any other judicial proceedings relative to the Company or such other
obligor upon the Notes, or to the creditors or property of the Company or such other obligor, the Trustee, irrespective of whether the principal of the Notes shall then be due and payable as therein expressed or by declaration or otherwise and
irrespective of whether the 

  
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Trustee shall have made any demand pursuant to the provisions of this Section 6.03, shall be entitled and empowered, by intervention in such proceedings or otherwise, to file and prove a
claim or claims for the whole amount of principal and accrued interest that has not been paid , if any, in respect of the Notes, and, in case of any judicial proceedings, to file such proofs of claim and other papers or documents and to take such
other actions as it may deem necessary or advisable in order to have the claims of the Trustee (including any claim for the compensation, reasonable expenses, disbursements and advances of the Trustee, its agents and counsel) and of the Holders
allowed in such judicial proceedings relative to the Company or any other obligor on the Notes, its or their creditors, or its or their property, and to collect and receive any monies or other property payable or deliverable on any such claims, and
to distribute the same after the deduction of any amounts due to the Trustee under Section 7.06; and any receiver, assignee or trustee in bankruptcy or reorganization, liquidator, custodian or similar official is hereby authorized by each of
the Holders to make such payments to the Trustee, as administrative expenses, and, in the event that the Trustee shall consent to the making of such payments directly to the Holders, to pay to the Trustee any amount due it for compensation,
reasonable expenses, advances and disbursements, including agents and counsel fees, reasonable expenses, advances and disbursements, and including any other amounts due to the Trustee under Section 7.06, incurred by it up to the date of such
distribution. To the extent that such payment of compensation, reasonable expenses, advances and disbursements out of the estate in any such proceedings shall be denied for any reason, payment of the same shall be secured by a lien on, and shall be
paid out of, any and all distributions, dividends, monies, securities and other property that the Holders of the Notes may be entitled to receive in such proceedings, whether in liquidation or under any plan of reorganization or arrangement or
otherwise. 
 Nothing herein contained shall be deemed to authorize the Trustee to authorize or consent to or accept or adopt on behalf of
any Holder any plan of reorganization, arrangement, adjustment or composition affecting such Holder 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. 

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

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

In case the Trustee shall have proceeded to enforce any right under this Indenture and such proceedings shall have been discontinued or
abandoned because of any waiver pursuant to Section 6.08 or any rescission and annulment pursuant to Section 6.02 or for any other reason or shall have been determined adversely to the Trustee, then and in every such case the Company,


  
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the Holders and the Trustee shall, subject to any determination in such proceeding, be restored respectively to their several positions and rights hereunder, and all rights, remedies and powers
of the Company, the Holders and the Trustee shall continue as though no such proceeding had been instituted. 
 Section 6.04. Application
of Monies Collected by Trustee. Any monies collected by the Trustee pursuant to this Article 6 with respect to the Notes shall be applied in the following order, at the date or dates fixed by the Trustee for the distribution of such monies, upon
presentation of the several Notes, and stamping thereon the payment, if only partially paid, and upon surrender thereof, if fully paid: 

First, to the payment of all amounts due the Trustee under Section 7.06; 

Second, in case the principal of the outstanding Notes shall not have become due and be unpaid, to the payment of interest on, and any
cash due upon conversion of, the Notes in default in the order of the date due of the payments of such interest and cash due upon conversion, as the case may be, with interest (to the extent that such interest has been collected by the Trustee) upon
such overdue payments accruing from the due date for such overdue payments at the rate borne by the Notes at such time, plus two percent, such payments to be made ratably to the Persons entitled thereto; 

Third, in case the principal of the outstanding Notes shall have become due, by declaration or otherwise, and be unpaid, to the payment
of the whole amount (including, if applicable, the payment of the Fundamental Change Repurchase Price and any cash due upon conversion) then owing and unpaid upon the Notes for principal and interest, if any, with interest on the overdue principal
and, to the extent that such interest has been collected by the Trustee, upon overdue installments of interest accruing from the due date for such overdue installments of interest at the rate borne by the Notes at such time plus two percent,
and in case such monies shall be insufficient to pay in full the whole amounts so due and unpaid upon the Notes, then to the payment of such principal (including, if applicable, the Fundamental Change Repurchase Price and any cash due upon
conversion) and interest without preference or priority of principal over interest, or of interest over principal or of any installment of interest over any other installment of interest, or of any Note over any other Note, ratably to the aggregate
of such principal (including, if applicable, the Fundamental Change Repurchase Price and any cash due upon conversion) and accrued interest that has not been paid; and 

Fourth, to the payment of the remainder, if any, to the Company. 

Section 6.05. Proceedings by Holders. Except to enforce the right to receive payment of principal (including, if applicable, the
Fundamental Change Repurchase Price) or interest when due, or the right to receive payment or delivery of the consideration due upon conversion, no Holder of any Note shall have any right by virtue of or by availing of any provision of this
Indenture to institute any suit, action or proceeding in equity or at law upon or under or with respect to this Indenture, or for the appointment of a receiver, trustee, liquidator, custodian or other similar official, or for any other remedy
hereunder, unless: 
 (a) such Holder previously shall have given to the Trustee written notice of an Event of Default and of the continuance
thereof, as herein provided; 

  
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 (b) Holders of at least 25% in aggregate principal amount of the Notes then outstanding
shall have made written request upon the Trustee to institute such action, suit or proceeding in its own name as Trustee hereunder; 
 (c)
such Holders shall have offered to the Trustee such security or indemnity satisfactory to it in its reasonable discretion against any loss, liability or expense to be incurred therein or thereby; 

(d) the Trustee for 60 days after its receipt of such notice, request and offer of such security or indemnity, shall have neglected or refused
to institute any such action, suit or proceeding; and 
 (e) no direction that, in the opinion of the Trustee, is inconsistent with such
written request shall have been given to the Trustee by the Holders of a majority of the aggregate principal amount of the Notes then outstanding within such 60-day period pursuant to Section 6.08, 

it being understood and intended, and being expressly covenanted by the taker and Holder of every Note with every other taker and Holder and the Trustee that
no one or more Holders shall have any right in any manner whatever by virtue of or by availing of any provision of this Indenture to affect, disturb or prejudice the rights of any other Holder, or to obtain or seek to obtain priority over or
preference to any other such Holder, or to enforce any right under this Indenture, except in the manner herein provided and for the equal, ratable and common benefit of all Holders (except as otherwise provided herein). For the protection and
enforcement of this Section 6.05, each and every Holder and the Trustee shall be entitled to such relief as can be given either at law or in equity. 

Notwithstanding any other provision of this Indenture and any provision of any Note, each Holder shall have the right to receive payment or
delivery, as the case may be, of (x) the principal (including the Fundamental Change Repurchase Price, if applicable) of, (y) any accrued interest that has not been paid on, and (z) the consideration due upon conversion of, such Note,
on or after the respective due dates expressed or provided for in such Note or in this Indenture, or to institute suit for the enforcement of any such payment or delivery, as the case may be. 

Section 6.06. Proceedings by Trustee. In case of an Event of Default, the Trustee may in its discretion proceed to protect and enforce
the rights vested in it by this Indenture by such appropriate judicial proceedings as are necessary to protect and enforce any of such rights, either by suit in equity or by action at law or by proceeding in bankruptcy or otherwise, whether for the
specific enforcement of any covenant or agreement contained in this Indenture or in aid of the exercise of any power granted in this Indenture, or to enforce any other legal or equitable right vested in the Trustee by this Indenture or by law. 

  
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 Section 6.07. Remedies Cumulative and Continuing. Except as provided in the last
paragraph of Section 2.06, all powers and remedies given by this Article 6 to the Trustee or to the Holders shall, to the extent permitted by law, be deemed cumulative and not exclusive of any thereof or of any other powers and remedies
available to the Trustee or the Holders of the Notes, by judicial proceedings or otherwise, to enforce the performance or observance of the covenants and agreements contained in this Indenture, and no delay or omission of the Trustee or of any
Holder of any of the Notes to exercise any right or power accruing upon any Default or Event of Default shall impair any such right or power, or shall be construed to be a waiver of any such Default or Event of Default or any acquiescence therein;
and, subject to the provisions of Section 6.05, every power and remedy given by this Article 6 or by law to the Trustee or to the Holders may be exercised from time to time, and as often as shall be deemed expedient, by the Trustee or by the
Holders. 
 Section 6.08. Direction of Proceedings and Waiver of Defaults by Majority of Holders. The Holders of a majority of
the aggregate principal amount of the Notes at the time outstanding determined in accordance with Section 8.04 shall have the right to direct the time, method and place of conducting any proceeding for any remedy available to the Trustee or
exercising any trust or power conferred on the Trustee with respect to the Notes; provided, however, that (a) such direction shall not be in conflict with any rule of law or with this Indenture, and (b) the Trustee may take
any other action deemed proper by the Trustee that is not inconsistent with such direction. The Trustee may refuse to follow any direction that it determines is unduly prejudicial to the rights of any other Holder (it being understood that the
Trustee does not have an affirmative duty to ascertain whether or not such actions or forbearances are unduly prejudicial to such Holders) or that would involve the Trustee in personal liability. The Holders of a majority in aggregate principal
amount of the Notes at the time outstanding determined in accordance with Section 8.04 may on behalf of the Holders of all of the Notes waive any past Default or Event of Default hereunder and its consequences except (i) a default in the
payment of any accrued interest that has not been paid on, or the principal (including any Fundamental Change Repurchase Price) of, the Notes when due that has not been cured pursuant to the provisions of Section 6.01, (ii) a failure by
the Company to pay or deliver, as the case may be, the consideration due upon conversion of the Notes or (iii) a default in respect of a covenant or provision hereof which under Article 10 cannot be modified or amended without the consent of
each Holder of an outstanding Note affected. Upon any such waiver the Company, the Trustee and the Holders of the Notes shall be restored to their former positions and rights hereunder; but no such waiver shall extend to any subsequent or other
Default or Event of Default or impair any right consequent thereon. Whenever any Default or Event of Default hereunder shall have been waived as permitted by this Section 6.08, said Default or Event of Default shall for all purposes of the
Notes and this Indenture be deemed to have been cured and to be not continuing; but no such waiver shall extend to any subsequent or other Default or Event of Default or impair any right consequent thereon. 

Section 6.09. Notice of Defaults. The Trustee shall, within 90 days after the occurrence and continuance of a Default of which a
Responsible Officer has actual knowledge, deliver to all Holders notice of all Defaults known to a Responsible Officer, unless such Defaults shall have been cured or waived before the giving of such notice; provided that, except in the case
of a Default in the payment of the principal of (including the Fundamental Change Repurchase Price, if applicable), or accrued interest that has not been paid on, any of the Notes or a Default in the payment or delivery of the consideration due upon
conversion, 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 interests of the Holders. 

  
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 Section 6.10. Undertaking to Pay Costs. All parties to this Indenture agree, and each
Holder of any Note by its acceptance thereof shall be deemed to have agreed, that any court may, in its discretion, require, in any suit for the enforcement of any right or remedy under this Indenture, or in any suit against the Trustee for any
action taken or omitted by it as Trustee, the filing by any party litigant in such suit of an undertaking to pay the costs of such suit and that such court may in its discretion assess reasonable costs, including reasonable attorneys’ fees and
expenses, against any party litigant in such suit, having due regard to the merits and good faith of the claims or defenses made by such party litigant; provided that the provisions of this Section 6.10 (to the extent permitted by law)
shall not apply 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 Notes at the time outstanding determined in accordance with
Section 8.04, or to any suit instituted by any Holder for the enforcement of the payment of the principal of, or any accrued interest that has not been paid on, any Note (including, but not limited to, the Fundamental Change Repurchase Price,
if applicable) on or after the due date expressed or provided for in such Note or to any suit for the enforcement of the right to convert any Note, or receive the consideration due upon conversion, in accordance with the provisions of Article 14.

 ARTICLE 7 

CONCERNING THE TRUSTEE 

Section 7.01. Duties and Responsibilities of Trustee. The Trustee, prior to the occurrence of an Event of Default and after the curing
or waiver of all Events of Default that may have occurred, undertakes to perform such duties and only such duties as are specifically set forth in this Indenture. In the event an Event of Default has occurred and is continuing, 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 its exercise, as a prudent person would exercise or use under the circumstances in the conduct of such person’s own affairs;
provided that if an Event of Default occurs and is continuing, the Trustee will be under no obligation to exercise any of the rights or powers under this Indenture at the request or direction of any of the Holders unless such Holders have
offered to the Trustee indemnity or security satisfactory to it in its reasonable discretion against any loss, liability or expense that might be incurred by it in compliance with such request or direction. 

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 that may have occurred: 
 (i) the duties and obligations of the Trustee shall be
determined solely by the express provisions of this Indenture, 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 against the Trustee; and 

  
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 (ii) 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 that 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 it shall be proved that the Trustee was grossly negligent in ascertaining the pertinent facts; 

(c) the Trustee shall not be liable with respect to any action taken or omitted to be taken by it in good faith in accordance with the
direction of the Holders of not less than a majority of the aggregate principal amount of the Notes at the time outstanding determined as provided in Section 8.04 relating to the time, method and place of conducting any proceeding for any
remedy available to the Trustee, or exercising any trust or power conferred upon the Trustee, under this Indenture; 
 (d) whether or not
therein provided, every provision of this Indenture relating to the conduct or affecting the liability of, or affording protection to, the Trustee shall be subject to the provisions of this Section; 

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

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

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

  
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 (h) in the event that the Trustee is also acting as Custodian, Note Registrar, Paying Agent,
Conversion Agent or transfer agent hereunder, the rights, privileges, powers, protections, benefits, indemnities and immunities afforded to the Trustee pursuant to this Article 7 shall also be afforded to such Custodian, Note Registrar, Paying
Agent, Conversion Agent or transfer agent. 
 None of the provisions contained in this Indenture shall require the Trustee to expend or risk
its own funds or otherwise incur personal financial liability in the performance of any of its duties or in the exercise of any of its rights or powers. 

Section 7.02. Reliance on Documents, Opinions, Etc. Except as otherwise provided in Section 7.01: 

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

(b) before the Trustee acts or refrains from acting on any request, direction, order or demand of the Company, it may require an
Officers’ Certificate or an Opinion of Counsel or both; the Trustee shall not be liable for any action it takes or omits to take in good faith in reliance on an Officers’ Certificate or Opinion of Counsel; and any Board Resolution may be
evidenced to the Trustee by a copy thereof certified by the Secretary or an Assistant Secretary of the Company; 
 (c) the Trustee may
consult with counsel and require an Opinion of Counsel and any advice of such counsel or Opinion of Counsel shall be full and complete authorization and protection in respect of any action taken or omitted by it hereunder in good faith and in
accordance with such advice or Opinion of Counsel; 
 (d) the Trustee shall 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 expense of the Company and shall incur no liability of any kind by reason of such inquiry or investigation; 
 (e) the Trustee may
execute any of the trusts or powers hereunder or perform any duties hereunder either directly or by or through agents, custodians, nominees or attorneys and the Trustee shall not be responsible for any misconduct or negligence on the part of any
agent, custodian, nominee or attorney appointed by it with due care hereunder; 
 (f) the permissive rights of the Trustee enumerated herein
shall not be construed as duties; 

  
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 (g) the Trustee may request that the Company deliver an Officers’ Certificate setting
forth the names of individuals and/or titles of officers authorized at such time to take specified actions pursuant to this Indenture, which Officers’ Certificate may be signed by any Person authorized to sign an Officers’ Certificate,
including any Person specified as so authorized in any such certificate previously delivered and not superseded; and 
 (h) the Trustee
shall not be required to give any bond or surety in respect of the execution of the trusts and powers under this Indenture. 
 In no event
shall the Trustee be liable for any special, indirect, punitive, incidental or consequential loss or damage of any kind whatsoever (including but not limited to lost profits), even if the Trustee has been advised of the likelihood of such loss or
damage and regardless of the form of action other than any such loss or damage caused by the Trustee’s willful misconduct or gross negligence. The Trustee shall not be charged with knowledge of any Default or Event of Default with respect to
the Notes, unless either (1) a Responsible Officer shall have actual knowledge of such Default or Event of Default or (2) written notice of such Default or Event of Default shall have been given to the Trustee by the Company or by any
Holder of the Notes. 
 Section 7.03. No Responsibility for Recitals, Etc. The recitals contained herein and in the Notes (except in
the Trustee’s certificate of authentication) shall be taken as the statements of the Company, and the Trustee assumes no responsibility for the correctness of the same. The Trustee makes no representations as to the validity or sufficiency of
this Indenture or of the Notes. The Trustee shall not be accountable for the use or application by the Company of any Notes or the proceeds of any Notes authenticated and delivered by the Trustee in conformity with the provisions of this Indenture.
In accepting the trust hereby created, the Trustee acts solely as Trustee under this Indenture and not in its individual capacity and all persons, including without limitation the holders of the Notes and the Company having any claim against the
Trustee arising from this Indenture shall look only to the funds and accounts held by the Trustee hereunder for payment except as otherwise provided herein. 

Section 7.04. Trustee, Paying Agents, Conversion Agents or Note Registrar May Own Notes. The Trustee, any Paying Agent, any Conversion
Agent or Note Registrar, in its individual or any other capacity, may become the owner or pledgee of Notes with the same rights it would have if it were not the Trustee, Paying Agent, Conversion Agent or Note Registrar. 

Section 7.05. Monies and Shares of Common Stock to Be Held in Trust. All monies and shares of Common Stock 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 and shares of Common Stock 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 or shares of Common Stock received by it hereunder except as may be agreed from time to time by the Company and the Trustee. 

Section 7.06. Compensation and Expenses of Trustee. The Company covenants and agrees to pay to the Trustee from time to time, and the
Trustee shall be entitled to, 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


  
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agreed to in writing between the Trustee and the Company, 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 in any capacity thereunder (including the reasonable compensation and the expenses and disbursements of its agents and counsel and of all Persons not
regularly in its employ) except any such expense, disbursement or advance as shall have been caused by its gross negligence or willful misconduct. The Company also covenants to indemnify the Trustee in any capacity under this Indenture and any other
document or transaction entered into in connection herewith and its agents and any authenticating agent for, and to hold them harmless against, any loss, claim, damage, liability or expense incurred without gross negligence or willful misconduct on
the part of the Trustee, its officers, directors, agents or employees, or such agent or authenticating agent, as the case may be, and arising out of or in connection with the acceptance or administration of this Indenture 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 7.06 to compensate or indemnify the Trustee and to pay or reimburse the
Trustee for expenses, disbursements and advances shall be secured by a senior claim to which the Notes are hereby made subordinate on all money or property held or collected by the Trustee, except, subject to the effect of Section 6.04, funds
held in trust herewith for the benefit of the Holders of particular Notes. The Trustee’s right to receive payment of any amounts due under this Section 7.06 shall not be subordinate to any other liability or indebtedness of the Company.
The obligation of the Company under this Section 7.06 shall survive the satisfaction and discharge of this Indenture and the earlier resignation or removal of the Trustee. The Company need not pay for any settlement made without its consent,
which consent shall not be unreasonably withheld. The indemnification provided in this Section 7.06 shall extend to the officers, directors, agents and employees of the Trustee. 

To secure the Company’s payment obligations in this Section 7.06, the Trustee shall have a lien prior to the Notes on all money or
property held or collected by the Trustee other than money or property held in trust to pay principal of and interest on particular Notes. 

The Company’s payment obligations pursuant to this Section 7.06 shall survive the satisfaction or discharge of this Indenture, any
rejection or termination of this Indenture under any bankruptcy law or the resignation or removal of the Trustee. Without prejudice to any other rights available to the Trustee under applicable law, when the Trustee and its agents and any
authenticating agent incur expenses or render services after an Event of Default specified in Section 6.01(j) or Section 6.01(k) occurs, the expenses and the compensation for the services are intended to constitute expenses of
administration under any bankruptcy, insolvency or similar laws. 
 Section 7.07. Officers’ Certificate as Evidence. Except as
otherwise provided in Section 7.01, whenever in the administration of the provisions of this Indenture the Trustee shall deem it necessary or desirable that a matter be proved or established prior to taking or omitting any action hereunder,
such matter (unless other evidence in respect thereof be herein specifically prescribed) may, in the absence of gross negligence 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, and such Officers’ Certificate, in the absence of gross negligence or willful misconduct on the part of the Trustee, shall be full warrant to the Trustee for any action taken or omitted by it
under the provisions of this Indenture upon the faith thereof. 

  
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 Section 7.08. 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 (as if the Trust Indenture Act were applicable hereto) to act as such and has a combined capital and surplus of at least $50,000,000. If such Person publishes reports of
condition at least annually, pursuant to law or to the requirements of any supervising or examining authority, then for the purposes of this Section, the combined capital and surplus of such Person shall be deemed to be its combined capital and
surplus as set forth in its most recent report of condition so published. If at any time the Trustee shall cease to be eligible in accordance with the provisions of this Section, it shall resign immediately in the manner and with the effect
hereinafter specified in this Article. 
 Section 7.09. Resignation or Removal of Trustee. (a) The Trustee may at any time
resign by giving written notice of such resignation to the Company and by delivering notice thereof to the Holders. 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 within 60 days after the giving of such notice of resignation to the Holders, the resigning Trustee may, upon ten Business Days’ notice to the Company and the Holders, petition any court of competent jurisdiction for the appointment
of a successor trustee, or any Holder who has been a bona fide holder of a Note or Notes for at least six months (or since the date of this Indenture) may, subject to the provisions of Section 6.10, on behalf of himself or herself 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 cease to be eligible in accordance with the provisions of Section 7.08 and shall fail to resign
after written request therefor by the Company or by any such Holder, or 
 (ii) 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 either case, the Company may by a Board Resolution remove the Trustee and appoint a successor trustee by written
instrument, in duplicate, executed by order of the Board of Directors, one copy of which instrument shall be delivered to the Trustee so removed and one copy to the successor trustee, or, subject to the provisions of Section 6.10, any Holder
who has been a bona fide holder of a Note or Notes for at least six months (or since the date of this Indenture) may, on behalf of himself or herself and all others similarly situated, petition any court of competent jurisdiction for the removal of
the Trustee and the appointment of a successor trustee. Such court may thereupon, after such notice, if any, as it may deem proper and prescribe, remove the Trustee and appoint a successor trustee. 

  
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 (c) The Holders of a majority in aggregate principal amount of the Notes at the time
outstanding, as determined in accordance with Section 8.04, may at any time remove the Trustee and nominate a successor trustee that shall be deemed appointed as successor trustee unless within ten days after notice to the Company of such
nomination the Company objects thereto, in which case the Trustee so removed or any Holder, upon the terms and conditions and otherwise as in Section 7.09(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 7.09 shall become effective upon acceptance of appointment by the successor trustee as provided in Section 7.10. 

Section 7.10. Acceptance by Successor Trustee. Any successor trustee appointed as provided in Section 7.09 shall execute,
acknowledge and deliver to the Company and to its predecessor trustee an instrument accepting such appointment hereunder, and thereupon the resignation or removal of the predecessor trustee shall become effective and such successor trustee, without
any further act, deed or conveyance, shall become vested with all the rights, powers, duties and obligations of its predecessor hereunder, with like effect as if originally named as Trustee herein; but, nevertheless, on the written request of the
Company or of the successor trustee, the trustee ceasing to act shall, upon payment of any amounts then due it pursuant to the provisions of Section 7.06, execute and deliver an instrument transferring to such successor trustee all the rights
and powers of the trustee so ceasing to act. Upon request of any such successor trustee, the Company shall execute any and all instruments in writing for more fully and certainly vesting in and confirming to such successor trustee all such rights
and powers. Any trustee ceasing to act shall, nevertheless, retain a senior claim to which the Notes are hereby made subordinate on all money or property held or collected by such trustee as such, except for funds held in trust for the benefit of
Holders of particular Notes, to secure any amounts then due it pursuant to the provisions of Section 7.06. 
 No successor trustee shall
accept appointment as provided in this Section 7.10 unless at the time of such acceptance such successor trustee shall be eligible under the provisions of Section 7.08. 

Upon acceptance of appointment by a successor trustee as provided in this Section 7.10, each of the Company and the successor trustee, at
the written direction and at the expense of the Company shall deliver or cause to be delivered notice of the succession of such trustee hereunder to the Holders. If the Company fails to deliver such notice within ten days after acceptance of
appointment by the successor trustee, the successor trustee shall cause such notice to be delivered at the expense of the Company. 

Section 7.11. Succession by Merger, Etc. Any corporation or other entity into which the Trustee may be merged or converted or
with which it may be consolidated, or any corporation or other entity resulting from any merger, conversion or consolidation to which the Trustee shall be a party, or any corporation or other entity succeeding to all or substantially all of the
corporate 

  
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trust business of the Trustee (including the administration of this Indenture), shall be the successor to the Trustee hereunder without the execution or filing of any paper or any further act
on the part of any of the parties hereto; provided that in the case of any corporation or other entity succeeding to all or substantially all of the corporate trust business of the Trustee such corporation or other entity shall be eligible
under the provisions of Section 7.08. 
 In case at the time such successor to the Trustee shall succeed to the trusts created
by this Indenture, any of the Notes shall have been authenticated but not delivered, any such successor to the Trustee may adopt the certificate of authentication of any predecessor trustee or authenticating agent appointed by such predecessor
trustee, and deliver such Notes so authenticated; and in case at that time any of the Notes shall not have been authenticated, any successor to the Trustee or an authenticating agent appointed by such successor trustee may authenticate such Notes
either in the name of any predecessor trustee hereunder or in the name of the successor trustee; and in all such cases such certificates shall have the full force which it is anywhere in the Notes or in this Indenture provided that the certificate
of the Trustee shall have; provided, however, that the right to adopt the certificate of authentication of any predecessor trustee or to authenticate Notes in the name of any predecessor trustee shall apply only to its successor or
successors by merger, conversion or consolidation. 
 Section 7.12. Trustee’s Application for Instructions from the
Company. Any application by the Trustee for written instructions from the Company (other than with regard to any action proposed to be taken or omitted to be taken by the Trustee that affects the rights of the Holders of the Notes under this
Indenture) may, at the option of the Trustee, set forth in writing any action proposed to be taken or omitted by the Trustee under this Indenture and the date on and/or after which such action shall be taken or such omission shall be effective. The
Trustee shall not be liable to the Company for any action taken by, or omission of, the Trustee in accordance with a proposal included in such application on or after the date specified in such application (which date shall not be less than three
Business Days after the date any officer that the Company has indicated to the Trustee should receive such application actually receives such application, unless any such officer shall have consented in writing to any earlier date), unless, prior to
taking any such action (or the effective date in the case of any omission), the Trustee shall have received written instructions in accordance with this Indenture in response to such application specifying the action to be taken or omitted. 

ARTICLE 8 

CONCERNING THE HOLDERS 

Section 8.01. Action by Holders. Whenever in this Indenture it is provided that the Holders of a specified percentage of the aggregate
principal amount of the Notes may take any action (including the making of any demand or request, the giving of any notice, consent or waiver or the taking of any other action), the fact that at the time of taking any such action, the Holders of
such specified percentage have joined therein may be evidenced (a) by any instrument or any number of instruments of similar tenor executed by Holders in person or by agent or proxy appointed in writing, or (b) by the record of the Holders voting in
favor thereof at any meeting of Holders duly called and held in accordance with the provisions of Article 9, or (c) by a combination of such instrument or instruments and any such record of such a meeting of 

  
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Holders. Whenever the Company or the Trustee solicits the taking of any action by the Holders of the Notes, the Company or the Trustee may, but shall not be required to, fix in advance of such
solicitation, a date as the record date for determining Holders entitled to take such action. The record date if one is selected shall be not more than fifteen days prior to the date of commencement of solicitation of such action. 

Section 8.02. Proof of Execution by Holders. Subject to the provisions of Section 7.01, Section 7.02 and Section 9.05,
proof of the execution of any instrument by a Holder or its agent or proxy shall be sufficient if made in accordance with such reasonable rules and regulations as may be prescribed by the Trustee or in such manner as shall be satisfactory to the
Trustee. The holding of Notes shall be proved by the Note Register or by a certificate of the Note Registrar. The record of any Holders’ meeting shall be proved in the manner provided in Section 9.06. 

Section 8.03. Who Are Deemed Absolute Owners. The Company, the Trustee, any authenticating agent, any Paying Agent, any Conversion
Agent and any Note Registrar may deem the Person in whose name a Note shall be registered upon the Note Register to be, and may treat it as, the absolute owner of such Note (whether or not such Note shall be overdue and notwithstanding any notation
of ownership or other writing thereon made by any Person other than the Company or any Note Registrar) for the purpose of receiving payment of or on account of the principal (including any Fundamental Change Repurchase Price) of and (subject to
Section 2.03) accrued interest that has not been paid on such Note, for conversion of such Note and for all other purposes; and neither the Company nor the Trustee nor any Paying Agent nor any Conversion Agent nor any Note Registrar shall be
affected by any notice to the contrary. All such payments or deliveries so made to any Holder for the time being, or upon its order, shall be valid, and, to the extent of the sums or shares of Common Stock so paid or delivered, effectual to satisfy
and discharge the liability for monies payable or shares deliverable upon any such Note. Notwithstanding anything to the contrary in this Indenture or the Notes following an Event of Default, any holder of a beneficial interest in a Global Note may
directly enforce against the Company, without the consent, solicitation, proxy, authorization or any other action of the Depositary or any other Person, such holder’s right to exchange such beneficial interest for a Note in certificated form in
accordance with the provisions of this Indenture. 
 Section 8.04. Company-Owned Notes Disregarded. In determining whether the
Holders of the requisite aggregate principal amount of Notes have concurred in any direction, consent, waiver or other action under this Indenture, Notes that are owned by the Company or by any Subsidiary thereof shall be disregarded and deemed not
to be outstanding for the purpose of any such determination; provided that for the purposes of determining whether the Trustee shall be protected in relying on any such direction, consent, waiver or other action only Notes that a Responsible
Officer actually knows are so owned shall be so disregarded. Notes so owned that have been pledged in good faith may be regarded as outstanding for the purposes of this Section 8.04 if the pledgee shall establish to the satisfaction of the Trustee
the pledgee’s right to so act with respect to such Notes and that the pledgee is not the Company or a Subsidiary thereof. In the case of a dispute as to such right, any decision by the Trustee taken upon the advice of counsel shall be full
protection to the Trustee. Upon request of the Trustee, the Company shall furnish to the Trustee promptly an Officers’ Certificate listing and identifying all Notes, if any, known by the Company to be owned or held by or for the account of any
of the above described Persons; and, subject to Section 7.01, the Trustee shall be entitled to accept such Officers’ Certificate as conclusive evidence of the facts therein set forth and of the fact that all Notes not listed therein are
outstanding for the purpose of any such determination. 

  
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 Section 8.05. Revocation of Consents; Future Holders Bound. At any time prior to (but
not after) the evidencing to the Trustee, as provided in Section 8.01, of the taking of any action by the Holders of the percentage of the aggregate principal amount of the Notes specified in this Indenture in connection with such action, any
Holder of a Note that is shown by the evidence to be included in the Notes the Holders of which have consented to such action may, by filing written notice with the Trustee at its Corporate Trust Office and upon proof of holding as provided in
Section 8.02, revoke such action so far as concerns such Note. Except as aforesaid, any such action taken by the Holder of any Note shall be conclusive and binding upon such Holder and upon all future Holders and owners of such Note and of any
Notes issued in exchange or substitution therefor or upon registration of transfer thereof, irrespective of whether any notation in regard thereto is made upon such Note or any Note issued in exchange or substitution therefor or upon registration of
transfer thereof. 
 ARTICLE 9 

HOLDERS’ MEETINGS 

Section 9.01. Purpose of Meetings. A meeting of Holders may be called at any time and from time to time pursuant to the provisions of
this Article 9 for any of the following purposes: 
 (a) to give any notice to the Company or to the Trustee or to give any directions to the
Trustee permitted under this Indenture, or to consent to the waiving of any Default or Event of Default hereunder (in each case, as permitted under this Indenture) and its consequences, or to take any other action authorized to be taken by Holders
pursuant to any of the provisions of Article 6; 
 (b) to remove the Trustee and nominate a successor trustee pursuant to the provisions of
Article 7; 
 (c) to consent to the execution of an indenture or indentures supplemental hereto pursuant to the provisions of
Section 10.02; or 
 (d) to take any other action authorized to be taken by or on behalf of the Holders of any specified aggregate
principal amount of the Notes under any other provision of this Indenture or under applicable law. 
 Section 9.02. Call of Meetings by
Trustee. The Trustee may at any time call a meeting of Holders to take any action specified in Section 9.01, to be held at such time and at such place as the Trustee shall determine. Notice of every meeting of the Holders, setting forth the
time and the place of such meeting and in general terms the action proposed to be taken at such meeting and the establishment of any record date pursuant to Section 8.01, shall be delivered to Holders of such Notes. Such notice shall also be
delivered to the Company. Such notices shall be delivered not less than 20 nor more than 90 days prior to the date fixed for the meeting. 

  
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 Any meeting of Holders shall be valid without notice if the Holders of all Notes then
outstanding are present in person or by proxy or if notice is waived before or after the meeting by the Holders of all Notes then outstanding, and if the Company and the Trustee are either present by duly authorized representatives or have, before
or after the meeting, waived notice. 
 Section 9.03. Call of Meetings by Company or Holders. In case at any time the Company,
pursuant to a Board Resolution, or the Holders of at least 10% of the aggregate principal amount of the Notes then outstanding, shall have requested the Trustee to call a meeting of Holders, by written request setting forth in reasonable detail the
action proposed to be taken at the meeting, and the Trustee shall not have delivered the notice of such meeting within 20 days after receipt of such request, then the Company or such Holders may determine the time and the place for such meeting and
may call such meeting to take any action authorized in Section 9.01, by delivering notice thereof as provided in Section 9.02. 

Section 9.04. Qualifications for Voting. To be entitled to vote at any meeting of Holders a Person shall (a) be a Holder of one or
more Notes on the record date pertaining to such meeting or (b) be a Person appointed by an instrument in writing as proxy by a Holder of one or more Notes on the record date pertaining to such meeting. The only Persons who shall be entitled to
be present or to speak at any meeting of Holders shall be the Persons entitled to vote at such meeting and their counsel and any representatives of the Trustee and its counsel and any representatives of the Company and its counsel. 

Section 9.05. Regulations. Notwithstanding any other provisions of this Indenture, the Trustee may make such reasonable regulations as
it may deem advisable for any meeting of Holders, in regard to proof of the holding of Notes and of the appointment of proxies, and in regard to the appointment and duties of inspectors of votes, the submission and examination of proxies,
certificates and other evidence of the right to vote, and such other matters concerning the conduct of the meeting as it shall think fit. 

The Trustee shall, by an instrument in writing, appoint a temporary chairman of the meeting, unless the meeting shall have been called by the
Company or by Holders as provided in Section 9.03, in which case the Company or the Holders calling the meeting, as the case may be, shall in like manner appoint a temporary chairman. A permanent chairman and a permanent secretary of the
meeting shall be elected by vote of the Holders of a majority in aggregate principal amount of the Notes represented at the meeting and entitled to vote at the meeting. 

Subject to the provisions of Section 8.04, at any meeting of Holders each Holder or proxyholder shall be entitled to one vote for
each $1.00 principal amount of Notes held or represented by him or her; provided, however, that no vote shall be cast or counted at any meeting in respect of any Note challenged as not outstanding and ruled by the chairman of the
meeting to be not outstanding. The chairman of the meeting shall have no right to vote other than by virtue of Notes held by it or instruments in writing as aforesaid duly designating it as the proxy to vote on behalf of other Holders. Any meeting
of Holders duly called pursuant to the provisions of Section 9.02 or Section 9.03 may be adjourned from time to time by the Holders of a majority of the aggregate principal amount of Notes represented at the meeting, whether or not
constituting a quorum, and the meeting may be held as so adjourned without further notice. 

  
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 Section 9.06. Voting. The vote upon any resolution submitted to any meeting of
Holders shall be by written ballot on which shall be subscribed the signatures of the Holders or of their representatives by proxy and the outstanding aggregate principal amount of the Notes held or represented by them. The permanent chairman of the
meeting shall appoint two inspectors of votes who shall count all votes cast at the meeting for or against any resolution and who shall make and file with the secretary of the meeting their verified written reports in duplicate of all votes cast at
the meeting. A record in duplicate of the proceedings of each meeting of Holders shall be prepared by the secretary of the meeting and there shall be attached to said record the original reports of the inspectors of votes on any vote by ballot taken
thereat and affidavits by one or more Persons having knowledge of the facts setting forth a copy of the notice of the meeting and showing that said notice was delivered as provided in Section 9.02. The record shall show the aggregate principal
amount of the Notes voting in favor of or against any resolution. The record shall be signed and verified by the affidavits of the permanent chairman and secretary of the meeting and one of the duplicates shall be delivered to the Company and the
other to the Trustee to be preserved by the Trustee, the latter to have attached thereto the ballots voted at the meeting. 
 Any record so
signed and verified shall be conclusive evidence of the matters therein stated. 
 Section 9.07. No Delay of Rights by Meeting.
Nothing contained in this Article 9 shall be deemed or construed to authorize or permit, by reason of any call of a meeting of Holders or any rights expressly or impliedly conferred hereunder to make such call, any hindrance or delay in the exercise
of any right or rights conferred upon or reserved to the Trustee or to the Holders under any of the provisions of this Indenture or of the Notes. 

ARTICLE 10 

SUPPLEMENTAL INDENTURES 

Section 10.01. Supplemental Indentures Without Consent of Holders. The Company, when authorized by the resolutions of the Board of
Directors and the Trustee, at the Company’s expense, may from time to time and at any time enter into an indenture or indentures supplemental hereto for one or more of the following purposes: 

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

(b) to provide for the assumption by a Successor Company of the obligations of the Company under this Indenture, and to provide for the equity
voting and other rights provided for in Article 13 pursuant to Article 11; 
 (c) to add guarantees with respect to the Notes; 

(d) to secure the Notes; 
 (e)
to add to the covenants or Events of Default of the Company for the benefit of the Holders or surrender any right or power conferred upon the Company; 

  
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 (f) in connection with any Share Exchange Event, to provide that the Notes are convertible
into Reference Property, subject to the provisions of Section 14.02, and make such related changes to the terms of the Notes to the extent expressly required by Section 14.07; 

(g) to comply with the rules of any applicable securities depositary, including the Depositary, so long as such amendment does not adversely
affect the rights of any Holder; 
 (h) to make any amendment to the provisions of this Indenture relating to the transfer and
legending of Notes as permitted by this Indenture, including, without limitation to facilitate the issuance and administration of the Notes; provided, however, that such amendment does not adversely affect the rights of Holders;

 (i) to appoint a successor trustee, paying agent, conversion agent or registrar with respect to the Notes; or 

(j) to issue PIK Notes. 
 Upon
the written request of the Company, the Trustee is hereby authorized to join with the Company in the execution of any such supplemental indenture, to make any further appropriate agreements and stipulations that may be therein contained, but the
Trustee shall not be obligated to, but may in its discretion, enter into any supplemental indenture that affects the Trustee’s own rights, duties or immunities under this Indenture or otherwise. 

Any supplemental indenture authorized by the provisions of this Section 10.01 may be executed by the Company and the Trustee without the
consent of the Holders of any of the Notes at the time outstanding, notwithstanding any of the provisions of Section 10.02. 
 Section
10.02. Supplemental Indentures with Consent of Holders. With the consent (evidenced as provided in Article 8) of the Holders of at least a majority of the aggregate principal amount of the Notes then outstanding (determined in accordance with
Article 8 and including, without limitation, consents obtained in connection with a repurchase of, or tender or exchange offer for, Notes), the Company, when authorized by the resolutions of the Board of Directors and the Trustee, at the
Company’s expense, may from time to time and at any time enter into an indenture or indentures supplemental hereto for the purpose of adding any provisions to or changing in any manner or eliminating any of the provisions of this Indenture or
any supplemental indenture or of modifying in any manner the rights of the Holders; provided, however, that, without the consent of the Holders of at least 85% of the aggregate principal amount of the Notes then outstanding (determined
in accordance with Article 8 and including, without limitation, consents obtained in connection with a repurchase of, or tender or exchange offer for, Notes), no such supplemental indenture shall make any change to Section 4.10; provided
further that without the consent of each Holder of an outstanding Note affected, no such supplemental indenture shall: 
 (a) reduce the
amount of Notes whose Holders must consent to an amendment; 
 (b) reduce the rate of or extend the stated time for payment of interest on
any Note; 

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

(d) make any change that adversely affects the equity voting and other rights of the Holders provided for in Article 13; 

(e) make any change that adversely affects the conversion rights of any Notes except in accordance with Article 14; 

(f) reduce the Fundamental Change Repurchase Price of any Note or amend or modify in any manner adverse to the Holders the Company’s
obligation to make such payments, whether through an amendment or waiver of provisions in the covenants, definitions or otherwise; 
 (g)
make any Note payable in a currency, or at a place of payment, other than that stated in the Note; 
 (h) change the ranking in priority of
payment of the Notes; or 
 (i) make any change in this Article 10 that requires each Holder’s consent or in the provisions of
Section 6.02 or Section 6.08 providing for waiver by the Holders. 
 Upon the written request of the Company, and upon the filing
with the Trustee of evidence of the consent of Holders as aforesaid and subject to Section 10.05, the Trustee shall join with the Company in the execution of such supplemental indenture unless such supplemental indenture affects the
Trustee’s own rights, duties or immunities under this Indenture or otherwise, in which case the Trustee may in its discretion, but shall not be obligated to, enter into such supplemental indenture. 

Holders do not need under this Section 10.02 to approve the particular form of any proposed supplemental indenture. It shall be
sufficient if such Holders approve the substance thereof. After any such supplemental indenture becomes effective, the Company shall deliver to the Holders a notice briefly describing such supplemental indenture. However, the failure to give such
notice to all the Holders, or any defect in the notice, will not impair or affect the validity of the supplemental indenture. 
 Section
10.03. Effect of Supplemental Indentures. Upon the execution of any supplemental indenture pursuant to the provisions of this Article 10, this Indenture shall be and be deemed to be modified and amended in accordance therewith and the
respective rights, limitation of rights, obligations, duties and immunities under this Indenture of the Trustee, the Company and the Holders shall thereafter be determined, exercised and enforced hereunder subject in all respects to such
modifications and amendments and all the terms and conditions of any such supplemental indenture shall be and be deemed to be part of the terms and conditions of this Indenture for any and all purposes. 

Section 10.04. Notation on Notes. Notes authenticated and delivered after the execution of any supplemental indenture pursuant to the
provisions of this Article 10 may, at the Company’s expense, bear a notation in form approved by the Trustee as to any matter provided for in such supplemental indenture. If the Company or the Trustee shall so determine, new Notes 

  
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so modified as to conform, in the opinion of the Trustee and the Board of Directors, to any modification of this Indenture contained in any such supplemental indenture may, at the Company’s
expense, be prepared and executed by the Company, authenticated by the Trustee (or an authenticating agent duly appointed by the Trustee pursuant to Section 17.10) and delivered in exchange for the Notes then outstanding, upon surrender of such
Notes then outstanding. 
 Section 10.05. Evidence of Compliance of Supplemental Indenture to Be Furnished Trustee. In addition to
the documents required by Section 17.05, the Trustee shall receive an Officers’ Certificate and an Opinion of Counsel as conclusive evidence that any supplemental indenture executed pursuant hereto complies with the requirements of this
Article 10 and is permitted or authorized by this Indenture. 
 ARTICLE 11 

CONSOLIDATION, MERGER, SALE, CONVEYANCE AND LEASE 

Section 11.01. Company May Consolidate, Etc. on Certain Terms. Subject to the provisions of Section 11.02, the Company shall not
consolidate with, merge with or into, or sell, convey, transfer or lease all or substantially all of its properties and assets to another Person, unless: 

(a) the resulting, surviving or transferee Person (the “Successor Company”), if not the Company, shall be a corporation
organized and existing under the laws of the United States of America, any State thereof or the District of Columbia, and the Successor Company (if not the Company) shall expressly assume, by supplemental indenture all of the obligations of the
Company under the Notes and this Indenture; 
 (b) the Holders shall be granted the same equity voting and other rights in respect of the
Successor Company as are set forth in Sections 13.01 and 13.02 of this Indenture; and 
 (c) immediately after giving effect to such
transaction, no Default or Event of Default shall have occurred and be continuing under this Indenture. 
 For purposes of this
Section 11.01, the sale, conveyance, transfer or lease of all or substantially all of the properties and assets of one or more Subsidiaries of the Company to another Person, which properties and assets, if held by the Company instead of such
Subsidiaries, would constitute all or substantially all of the properties and assets of the Company on a consolidated basis, shall be deemed to be the sale, conveyance, transfer or lease of all or substantially all of the properties and assets of
the Company to another Person. 
 Section 11.02. Successor Corporation to Be Substituted. In case of any such consolidation, merger,
sale, conveyance, transfer or lease and upon the assumption by the Successor Company, by supplemental indenture, executed and delivered to the Trustee, of the due and punctual payment of the principal of and accrued interest that has not been paid
on all of the Notes, the due and punctual delivery or payment, as the case may be, of any consideration due upon conversion of the Notes and the due and punctual performance of all of the covenants and conditions of this Indenture to be performed by
the Company, such Successor Company (if 

  
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not the Company) shall succeed to and, except in the case of a lease of all or substantially all of the Company’s properties and assets, shall be substituted for the Company, with the same
effect as if it had been named herein as the party of the first part. Such Successor Company thereupon may cause to be signed, and may issue either in its own name or in the name of the Company any or all of the Notes issuable hereunder which
theretofore shall not have been signed by the Company and delivered to the Trustee; and, upon the order of such Successor Company instead of the Company and subject to all the terms, conditions and limitations in this Indenture prescribed, the
Trustee shall authenticate and shall deliver, or cause to be authenticated and delivered, any Notes that previously shall have been signed and delivered by the Officers of the Company to the Trustee for authentication, and any Notes that such
Successor Company thereafter shall cause to be signed and delivered to the Trustee for that purpose. All the Notes so issued shall in all respects have the same legal rank and benefit under this Indenture as the Notes theretofore or thereafter
issued in accordance with the terms of this Indenture as though all of such Notes had been issued at the date of the execution hereof. In the event of any such consolidation, merger, sale, conveyance or transfer (but not in the case of a lease),
upon compliance with this Article 11 the Person named as the “Company” in the first paragraph of this Indenture (or any successor that shall thereafter have become such in the manner prescribed in this Article 11) may be dissolved, wound
up and liquidated at any time thereafter and, except in the case of a lease, such Person shall be released from its liabilities as obligor and maker of the Notes and from its obligations under this Indenture and the Notes. 

In case of any such consolidation, merger, sale, conveyance, transfer or lease, such changes in phraseology and form (but not in substance)
may be made in the Notes thereafter to be issued as may be appropriate. 
 Section 11.03. Opinion of Counsel to Be Given to Trustee.
No such consolidation, merger, sale, conveyance, transfer or lease shall be effective unless the Successor Company (if any) shall have delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel as conclusive evidence that any
such consolidation, merger, sale, conveyance, transfer or lease, assumption and supplemental indenture complies with the provisions of this Article 11. 

ARTICLE 12 

IMMUNITY OF INCORPORATORS, STOCKHOLDERS, OFFICERS AND
DIRECTORS 
 Section 12.01. Indenture and Notes Solely Corporate Obligations. No recourse for the payment of the
principal of or accrued interest that has not been paid on any Note, nor for any claim based thereon or otherwise in respect thereof, and no recourse under or upon any obligation, covenant or agreement of the Company in this Indenture or in any
supplemental indenture or in any Note, nor because of the creation of any indebtedness represented thereby, shall be had against any incorporator, stockholder, employee, agent, Officer or director or Subsidiary, as such, past, present or future, of
the Company or of any successor corporation, either directly or through the Company or any successor corporation, whether by virtue of any constitution, statute or rule of law, or by the enforcement of any assessment or penalty or otherwise; it
being expressly understood that all such liability is hereby expressly waived and released as a condition of, and as a consideration for, the execution of this Indenture and the issue of the Notes. 

  
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 ARTICLE 13 

EQUITY VOTING RIGHTS 

Section 13.01 . Equity Voting Rights. 

Except as may be otherwise expressly provided in the Certificate of Incorporation or as expressly required by the General Corporation Law of
the State of Delaware, Holders shall be entitled, for so long as any Notes remain outstanding, to vote on all matters on which holders of Common Stock generally are entitled to vote (or, if any, to take action by written consent of the holders of
Common Stock), voting together as a single class together with the shares of Common Stock and not as a separate class, on an As-Converted-to-Common Stock-Basis, at any annual or special meeting of holders of Common Stock of the Company and each
Holder shall be entitled to such number of votes as such Holder would receive on an As-Converted-to-Common-Stock-Basis on the record date for such vote; provided, that, following the Initial Listing Date, such number of votes shall be limited
if required in order to comply with any mandatorily applicable listing rule of the Relevant Exchange on which the Common Stock is listed unless compliance therewith has been waived by such Relevant Exchange. The Holders shall also be entitled to
receive notice of any meeting of holders of Common Stock in accordance with the Certificate of Incorporation and bylaws of the Company. As used herein, “As-Converted-to-Common-Stock-Basis” means, with respect to a Holder, the number
of votes equal to the largest number of whole shares of Common Stock (rounded down to the nearest whole share) such Holder would be entitled to, assuming that immediately prior to the applicable record date, with respect to an annual or special
meeting of the Company’s holders of Common Stock, the Holder converted its Notes into Common Stock in accordance with Article 14 of this Indenture assuming Physical Settlement were applicable and ignoring for such purpose the operation of any
Conversion Blocker as provided in Section 14.12. 
 Section 13.02. Inspection Rights. In addition, Holders shall have the same
right of inspection of the books, accounts and other records of the Company which the holders of Common Stock have or may have under the General Corporation Law of the State of Delaware or the Company’s Certificate of Incorporation. 

Section 13.03. Amendments to Certificate of Incorporation. 

So long as any Notes remain outstanding, the Company shall not take any action, directly or indirectly (including without limitation by merger
or recapitalization), to amend, alter or repeal, or adopt any provision as part of the Certificate of Incorporation or bylaws of the Company, or of any Successor Company, inconsistent with the rights of Holders under either of Section 13.01 or
Section 13.02 of this Indenture, except upon the affirmative vote of the Holders of each Note then outstanding. 

  
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 ARTICLE 14 

CONVERSION OF NOTES 

Section 14.01. Conversion of Notes. 

(a) Conversion Privilege. Subject to and upon compliance with the provisions of this Article 14, each Holder of a Note shall have the
right, at such Holder’s option, to convert all or any portion (if the portion to be converted is a minimum of $1.00 principal amount or an integral multiple in excess thereof) of such Note at any time prior to the close of business on the
Business Day immediately preceding the first day of the Mandatory Conversion Period, at an initial conversion rate of 75.0000 shares of Common Stock (subject to adjustment as provided in this Article 14, the “Conversion Rate”) per
$1,000 principal amount of Notes (subject to, and in accordance with, the settlement provisions of Section 14.02, the “Conversion Obligation”). 

(b) Mandatory Conversion at Maturity. Each Note shall automatically convert (unless previously converted at the option of the Holder in
accordance with Section 14.01(a), converted at the option of the Company pursuant to an Accelerated Mandatory Conversion, or repurchased at the option of the Holder in accordance with Article 15) on the Maturity Date (subject to postponement as
a result of Market Disruption Events) (a “Mandatory Conversion”) at the Conversion Rate per $1,000 principal amount of Notes (subject to, and in accordance with, the settlement provisions of Section 14.02, the
“Mandatory Conversion Obligation”). 
 (c) Accelerated Mandatory Conversion. (i) If the effective date of a
Merger Event occurs prior to the Final Settlement Method Election Date, the Company, at its option, may cause all or any portion of the Notes to be automatically converted (an “Accelerated Mandatory Conversion”) at the Conversion
Rate per $1,000 principal amount of Notes (subject to, and in accordance with, the settlement provisions of Section 14.02). 

(ii) To exercise the Accelerated Mandatory Conversion right set forth in clause (i) above, the Company shall issue a press
release for publication on the Dow Jones News Service or Bloomberg Business News (or if either such service is not available, a similar broadly disseminated news or press release service selected by the Company in good faith) prior to the open of
business on the earlier of (x) the fifth Trading Day immediately following the effective date of such a Merger Event and (y) the Business Day immediately preceding the first day of the Mandatory Conversion Period, announcing such
Accelerated Mandatory Conversion. The Company shall also give written notice to the Holders and the Trustee on the same day as the press release announcing the Company’s election to convert the Notes; provided that in the case of a
Global Note, such notice shall be delivered in accordance with customary procedures of the Depositary. In the case of an Accelerated Mandatory Conversion, the Conversion Date shall be the date on which the Company issues such press release (the date
of any such issuance, an “Accelerated Mandatory Conversion Date”). 
 (iii) In addition to any information
required by applicable law or regulation, the press release and notice of an Accelerated Mandatory Conversion pursuant to Section 14.01(c)(ii) shall specify: 

(A) the Accelerated Mandatory Conversion Date; 

(B) the Conversion Rate; 

  
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 (C) the Settlement Method by which the Company has elected to satisfy the
Company’s conversion obligation in respect of the Accelerated Mandatory Conversion and, if applicable, the first Trading Day of the applicable Observation Period; 

(D) that interest on the Notes to be converted shall cease to accrue on the Accelerated Mandatory Conversion Date; and 

(E) in case any Note is to be converted in part only, the portion of the principal amount thereof to be converted and that on
and after the Accelerated Mandatory Conversion Date, upon surrender of such Note, a new Note in principal amount equal to the unconverted portion thereof shall be issued. 

(iv) On and after the Accelerated Mandatory Conversion Date, interest shall cease to accrue on the Notes called for an
Accelerated Mandatory Conversion and all rights of Holders of such Notes shall terminate, except for the right to receive the shares of Common Stock and/or cash deliverable upon conversion thereof and, if the Accelerated Mandatory Conversion Date
occurs following a Regular Record Date and prior to the corresponding Interest Payment Date, the right of the Holder of record on such Regular Record Date to receive the interest payable on the corresponding Interest Payment Date in cash. The
Company shall pay in cash to the Holder receiving the conversion consideration any accrued interest that has not been paid on any Note subject to Accelerated Mandatory Conversion to, but excluding, the Accelerated Mandatory Conversion Date. 

(v) Intentionally Omitted. 

(vi) If fewer than all of the outstanding Notes are to be converted pursuant to this Section 14.01(c), the Trustee shall
select the Notes or portions thereof of a Global Note or the Notes in certificated form to be converted (in principal amounts of $1.00 or multiples thereof) by lot or by another method the Trustee considers to be fair and appropriate (and, in such
manner that complies with the requirements of the Depositary, if applicable). If any Note selected by the Trustee is submitted for conversion in part after such selection, the portion of the Note submitted for conversion shall be deemed (so far as
may be possible) to be the portion selected for conversion. 
 Section 14.02. Conversion Procedure; Settlement Upon Conversion. 

(a) Subject to this Section 14.02 and Section 14.07(a), upon conversion of any Note prior to the first day of the Mandatory Conversion Period,
the Company shall pay or deliver, as the case may be, to the converting Holder, in respect of each $1,000 principal amount of Notes being converted, cash (“Cash Settlement”) or shares of Common Stock, together with cash, if
applicable, in lieu of delivering any fractional share of Common Stock in accordance with subsection (j) of this Section 14.02 (“Physical Settlement”), at its election, as set forth in this Section 14.02; provided that if the
Listing Condition is not satisfied on the relevant Conversion Date, the Company shall be deemed to have elected Physical Settlement in respect of such conversion. If the Listing Condition becomes satisfied, or ceases to be satisfied, on any day, the


  
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Company shall so notify the Holders, the Trustee and the Conversion Agent prior to the open of business on the third Business Day immediately following the date of such satisfaction or
cessation. Subject to this Section 14.02 and Section 14.07(a), the Company shall satisfy its Mandatory Conversion Obligation by Cash Settlement or Physical Settlement, at its election, as set forth in this Section 14.02;
provided that (x) if the Listing Condition is not satisfied as of the Final Settlement Method Election Date, the Company shall be deemed to have elected Physical Settlement in respect of all Mandatory Conversion Obligations and
(y) if Physical Settlement applies (or is deemed to apply) and the Last Reported Sale Price per Share of Common Stock on the second Business Day immediately preceding the Maturity Date is less than the Conversion Price then, notwithstanding
anything to the contrary in this Indenture, each $1,000 principal amount of Notes shall convert into an amount of cash equal to $1,000. 

(i) All conversions pursuant to Section 14.01(b) shall be settled using the same Settlement Method. All conversions
pursuant to Section 14.01(c) in connection with a particular Merger Event shall be settled using the same Settlement Method. 

(ii) The Company shall use the same Settlement Method for all conversions pursuant to Section 14.01(a) with the same
Conversion Date, but the Company shall not have any obligation to use the same Settlement Method with respect to any such conversions with different Conversion Dates. 

(iii) If, in respect of any Conversion Date where the Listing Condition is satisfied on such date (or for all conversions
pursuant to Section 14.01(b) where the Listing Condition is satisfied as of the Final Settlement Method Election Date), the Company elects to deliver a notice (the “Settlement Notice”) of the relevant Settlement Method in
respect of such Conversion Date (or such conversions, as the case may be), the Company, through the Trustee, shall deliver such Settlement Notice to converting Holders no later than the close of business on the Trading Day immediately following the
relevant Conversion Date (or, in the case of any conversions (x) pursuant to Section 14.01(b), no later than the Final Settlement Method Election Date or (y) pursuant to Section 14.01(c), in the relevant Accelerated Mandatory
Conversion Notice). If the Listing Condition has been satisfied and the Company does not elect a Settlement Method prior to the deadline set forth in the immediately preceding sentence, the Company shall be deemed to have elected Physical Settlement
in respect of its applicable Conversion Obligation or Mandatory Conversion Obligation, as the case may be. Such Settlement Notice shall specify the relevant Settlement Method. 

(iv) The cash or shares of Common Stock in respect of any conversion of Notes (the “Settlement Amount”) shall
be computed as follows: 
 (A) if the Company elects (or is deemed to have elected) to satisfy its Conversion Obligation in
respect of such conversion by Physical Settlement, the Company shall deliver to the converting Holder in respect of each $1,000 principal amount of Notes being converted a number of shares of Common Stock equal to the Conversion Rate in effect on
the Conversion Date (for the avoidance of doubt, subject to the proviso in the last sentence of Section 14.02(a)); and 

  
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 (B) if the Company elects to satisfy its Conversion Obligation in respect of
such conversion by Cash Settlement, the Company shall pay to the converting Holder in respect of each $1,000 principal amount of Notes being converted cash in an amount equal to the sum of the Daily Conversion Values for each of the 30 consecutive
Trading Days during the related Observation Period. 
 (v) The Daily Conversion Values (if applicable) shall be determined by
the Company promptly following the last day of the Observation Period. Promptly after such determination of the Daily Conversion Values and the amount of cash payable in lieu of delivering any fractional share of Common Stock, the Company shall
notify the Trustee and the Conversion Agent (if other than the Trustee) of the Daily Conversion Values and the amount of cash payable in lieu of delivering fractional shares of Common Stock. The Trustee and the Conversion Agent (if other than the
Trustee) shall have no responsibility for any such determination. 
 (b) Subject to Section 14.02(e), before any Holder of a Note shall
be entitled to convert a Note pursuant to Section 14.01(a), such Holder shall (i) in the case of a Global Note, comply with the procedures of the Depositary in effect at that time and (ii) in the case of a Physical Note
(1) complete, manually sign and deliver an irrevocable notice to the Conversion Agent as set forth in the Form of Notice of Conversion (or a facsimile thereof) (a “Notice of Conversion”) at the office of the Conversion Agent
and state in writing therein the principal amount of Notes to be converted and the name or names (with addresses) in which such Holder wishes the certificate or certificates for any shares of Common Stock to be delivered upon settlement of the
Conversion Obligation to be registered, (2) surrender such Notes, duly endorsed to the Company or in blank (and accompanied by appropriate endorsement and transfer documents), at the office of the Conversion Agent and (3) if required,
furnish appropriate endorsements and transfer documents. The Trustee (and if different, the Conversion Agent) shall notify the Company of any conversion pursuant to this Article 14 on the Conversion Date for such conversion. No Notice of Conversion
with respect to any Notes may be surrendered by a Holder thereof if such Holder has also delivered a Fundamental Change Repurchase Notice to the Company in respect of such Notes and has not validly withdrawn such Fundamental Change Repurchase Notice
in accordance with Section 15.03. 
 If more than one Note shall be surrendered for conversion at one time by the same Holder, the
Conversion Obligation with respect to such Notes shall be computed on the basis of the aggregate principal amount of the Notes (or specified portions thereof to the extent permitted thereby) so surrendered. 

(c) A Note shall be deemed to have been converted immediately prior to the close of business on the relevant Conversion Date. Except as set
forth in Section 14.07(a), the Company shall pay or deliver, as the case may be, the consideration due in respect of the Conversion Obligation on the second Business Day immediately following the relevant Conversion Date, if the Company elects
(or is deemed to have elected) Physical Settlement, or on the second Business Day immediately following the last Trading Day of the Observation Period, in the case of any other Settlement Method. If any shares of Common Stock are due to a converting
Holder, the Company shall issue or cause to be issued, and deliver (if applicable) to the converting Holder, or such Holder’s nominee or nominees, the full number of shares of Common Stock to which such Holder shall be entitled, in book-entry
format through the Depositary, in satisfaction of the Company’s Conversion Obligation. 

  
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 (d) In case any Note shall be surrendered for partial conversion, the Company shall execute
and the Trustee shall authenticate and deliver to or upon the written order of the Holder of the Note so surrendered a new Note or Notes in authorized denominations in an aggregate principal amount equal to the unconverted portion of the surrendered
Note, without payment of any service charge by the converting Holder but, if required by the Company or Trustee, with payment of a sum sufficient to cover any documentary, stamp or similar issue or transfer tax or similar governmental charge
required by law or that may be imposed in connection therewith as a result of the name of the Holder of the new Notes issued upon such conversion being different from the name of the Holder of the old Notes surrendered for such conversion. 

(e) If a Holder submits a Note for conversion, the Company shall pay any documentary, stamp or similar issue or transfer tax due on the issue
of any shares of Common Stock upon conversion, unless the tax is due because the Holder requests such shares to be issued in a name other than the Holder’s name, in which case the Holder shall pay that tax. The Conversion Agent may refuse to
deliver the certificates representing the shares of Common Stock being issued in a name other than the Holder’s name until the Trustee receives a sum sufficient to pay any tax that is due by such Holder in accordance with the immediately
preceding sentence. 
 (f) Except as provided in Section 14.03, no adjustment shall be made for dividends on any shares of Common Stock
issued upon the conversion of any Note as provided in this Article 14. 
 (g) Upon the conversion of an interest in a Global Note, the
Trustee, or the Custodian at the direction of the Trustee, shall make a notation on such Global Note as to the reduction in the principal amount represented thereby. The Company shall notify the Trustee in writing of any conversion of Notes effected
through any Conversion Agent other than the Trustee. 
 (h) Upon conversion pursuant to Section 14.01(a), a Holder shall not receive
any separate cash payment for any accrued interest that has not been paid . The Company’s settlement of the full Conversion Obligation shall be deemed to satisfy in full its obligation to pay the principal amount of the Note and any accrued
interest that has not been paid to, but not including, the relevant Conversion Date. As a result, any accrued interest that has not been paid to, but not including, the relevant Conversion Date shall be deemed to be paid in full rather than
cancelled, extinguished or forfeited. Notwithstanding the foregoing, (x) if Notes are converted after the close of business on a Regular Record Date, Holders of such Notes as of the close of business on such Regular Record Date will receive the
full amount of interest payable on such Notes in cash on the corresponding Interest Payment Date notwithstanding the conversion and (y) all Holders of record on the Regular Record Date immediately preceding the Maturity Date shall receive the
full interest payment due on the Maturity Date in cash regardless of whether their Notes have been converted following such Regular Record Date. 

  
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 (i) The Person in whose name the shares of Common Stock shall be issuable upon conversion
shall be treated as a stockholder of record as of the close of business on the relevant Conversion Date if the Company elects (or is deemed to have elected) to satisfy the related Conversion Obligation by Physical Settlement. Upon a conversion of
Notes, such Person shall no longer be a Holder of such Notes surrendered for conversion. 
 (j) The Company shall not issue any fractional
share of Common Stock upon conversion of the Notes and shall instead pay cash in lieu of delivering any fractional share of Common Stock issuable upon conversion based on the Last Reported Sale Price of the Common Stock on the relevant Conversion
Date (in the case of Physical Settlement). 
 Section 14.03. Adjustment of Conversion Rate. The Conversion Rate shall be adjusted
from time to time by the Company if any of the following events occurs. 
 (a) If the Company effects a share split or share combination,
the Conversion Rate shall be adjusted based on the following formula: 
  

							
		  	CR’ = CR0 X 	  	OS’	  	
		  	OS0	  	

 where, 
  

			
	CR0        =	  	the Conversion Rate in effect immediately prior to the open of business on the Effective Date of such share split or share combination, as applicable;
		
	CR’        =	  	the Conversion Rate in effect immediately after the open of business on such Effective Date;
		
	OS0        =	  	the number of shares of Common Stock outstanding immediately prior to the open of business on such Effective Date (before giving effect to any such split or combination); and
		
	OS’        =	  	the number of shares of Common Stock outstanding immediately after giving effect to such share split or share combination.

 Any adjustment made under this Section 14.03(a) shall become effective immediately after the open of business on the
Effective Date for such share split or share combination, as applicable. 
 (b) If the Company or any of its Subsidiaries make a payment in
respect of a tender or exchange offer for the Common Stock (other than an odd lot tender offer), to the extent that the cash and value of any other consideration included in the payment per share of the Common Stock exceeds the average of the Last
Reported Sale Prices of the Common Stock over the 10 consecutive Trading Day period commencing on, and including, 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’	  	


  
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 where, 
  

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

 The increase to the Conversion Rate under this Section 14.03(b) shall occur at the close of
business on the 10th Trading Day immediately following, and including, the Trading Day next succeeding the date such tender or exchange offer expires; provided that (x) in respect of any conversion of Notes for which Physical Settlement
is applicable, if the relevant Conversion Date occurs during the 10 Trading Days immediately following, and including, the Trading Day next succeeding the expiration date of any tender or exchange offer, references to “10” or
“10th” in the preceding paragraph shall be deemed replaced with such lesser number of Trading Days as have elapsed from, and including, the Trading Day next succeeding the date that such tender or exchange offer expires to, and including,
the Conversion Date in determining the Conversion Rate and (y) in respect of any conversion of Notes for which Cash Settlement is applicable, for any Trading Day that falls within the relevant Observation Period for such conversion and within
the 10 Trading Days immediately following, and including, the Trading Day next succeeding the expiration date of any tender or exchange offer, references to “10” or “10th” in the preceding paragraph shall be deemed replaced with
such lesser number of Trading Days as have elapsed from, and including, the Trading Day next succeeding the expiration date of such tender or exchange offer to, and including, such Trading Day in determining the Conversion Rate as of such Trading
Day. 

  
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 (c) In case of any transaction in which the Company issues any shares of Common Stock,
warrants, rights or options to acquire Common Stock or securities convertible or exchangeable into Common Stock for an Effective Price that is lower than the Conversion Price on the Business Day immediately prior to the date of pricing of such
transaction (each, a “Discounted Issuance”), the Conversion Rate shall be increased based on the following formula: 
  

							
		  	CR’ = CR0 X 	  	OS’ + I	  	
		  	OS’ + F	  	

 where, 
  

					
	CR0	  	=	  	the Conversion Rate in effect immediately prior to the open of business on the Ex-Dividend Date for such issuance;
			
	CR’	  	=	  	the Conversion Rate in effect immediately after the open of business on such Ex-Dividend Date;
			
	OS’	  	=	  	the number of shares of Common Stock outstanding at the close of business on the Business Day immediately prior to the date of pricing of the Discounted Issuance;
			
	I	  	=	  	the total number of shares of Common Stock offered for subscription or purchase or into which such warrants, rights, options or convertible or exchangeable securities are exercisable, convertible or exchangeable, as the case may be,
pursuant to the Discounted Issuance; and
			
	F	  	=	  	the total number of shares of Common Stock that the aggregate Effective Price would purchase at the Conversion Price per share on such Business Day.

 For the avoidance of doubt, in no event shall the Conversion Rate be decreased as a result of this Section 14.03(c). Any
increase made pursuant to this Section 14.03(c) shall become effective at the close of business on the date of pricing for the Discounted Issuance. To the extent that shares of Common Stock, rights, options or convertible or exchangeable
securities are not issued, the Conversion Rate shall be readjusted, effective as of the date when the Board of Directors determines not to make such issuance, to be the Conversion Rate that would be in effect if the Discounted Issuance had not been
priced. 
 (d) In addition to those adjustments required by clauses (a), (b) and (c) of this Section 14.03, and to the extent permitted by
applicable law and subject to the applicable rules of any exchange on which any of the Company’s securities are then listed, the Company from time to time may increase the Conversion Rate by any amount for a period of at least 20 Business Days
if the Board of Directors determines that such increase would be in the Company’s best interest. In addition, to the extent permitted by applicable law and subject to the applicable rules of any exchange on which any of the Company’s
securities are then listed, the Company may (but is not required to) increase the Conversion Rate to avoid or diminish any income tax to holders of Common Stock or rights to purchase Common Stock in connection with a dividend or


  
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distribution of shares of Common Stock (or rights to acquire shares of Common Stock) or similar event. Whenever the Conversion Rate is increased pursuant to either of the preceding two sentences,
the Company shall deliver to the Holder of each Note 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. 
 (e) All calculations and other determinations under this Article 14 shall be made by the Company and shall be made to
the nearest one-ten thousandth (1/10,000th) of a share. 
 (f) Whenever the Conversion Rate is adjusted as herein provided, the Company
shall promptly file with the Trustee (and the Conversion Agent if not the Trustee) an Officers’ Certificate setting forth the Conversion Rate after such adjustment and setting forth a brief statement of the facts requiring such adjustment.
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 deliver such notice of such adjustment of the Conversion Rate to each Holder. Failure to deliver such notice shall not affect the legality or validity of any such adjustment. 

(g) For purposes of this Section 14.03, the number of shares of Common Stock at any time outstanding shall not include shares of Common
Stock 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 of Common Stock issuable in respect of scrip
certificates issued in lieu of fractions of shares of Common Stock. 
 (h) Notwithstanding anything to the contrary in this Article 14, the
Conversion Rate shall not be adjusted: 
 (i) upon the issuance of any shares of Common Stock or options or rights to
purchase those shares pursuant to any present or future employee, director or consultant benefit plan or program of or assumed by the Company or any of the Company’s Subsidiaries; provided that such issuance shall not exceed, in the
aggregate, 10% of the then outstanding Common Stock of the Company on a fully diluted basis, treating all of the then outstanding Notes as converted to Common Stock on an As-Converted-to-Common-Stock-Basis; 

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

(iii) upon the repurchase of any shares of Common Stock pursuant to an odd lot tender offer or an open-market share repurchase
program or other buy-back transaction that is not a tender offer or exchange offer of the nature described in Section 14.03(b); 

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

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

Section 14.04. Distributions. 

(a) If the Company distributes shares of its Capital Stock, cash, evidences of its indebtedness, other assets or property of the Company or
rights, options or warrants to acquire its Capital Stock or other securities, to all or substantially all holders of the Common Stock (any of such shares of Capital Stock, cash, evidences of indebtedness, other assets or property or rights, options
or warrants to acquire Capital Stock or other securities, the “Distributed Property”), each Holder of a Note shall receive, in respect of each $1,000 principal amount thereof, at the same time and upon the same terms as holders of
the Common Stock receive the Distributed Property, the amount and kind of Distributed Property such Holder would have received if such Holder owned a number of shares of Common Stock equal to the Conversion Rate in effect on the Ex-Dividend Date for
the distribution (regardless of whether such Holder’s Notes have been converted prior to such distribution, unless such Holder will have been deemed a record holder of the shares of Common Stock deliverable upon conversion as of the relevant
Record Date for such distribution). 
 For purposes of this Section 14.04(a) (and subject in all respects to Section 14.11),
rights, options or warrants distributed by the Company to all holders of the Common Stock entitling them to subscribe for or purchase shares of the Company’s Capital Stock, including Common Stock (either initially or under certain
circumstances), which rights, options or warrants, until the occurrence of a specified event or events (“Trigger Event”): (i) are deemed to be transferred with such shares of the Common Stock; (ii) are not exercisable; and
(iii) are also issued in respect of future issuances of the Common Stock, shall be deemed not to have been distributed for purposes of this Section 14.04(a) (and no distribution to Holders under this Section 14.04(a) will be required)
until the occurrence of the earliest Trigger Event, whereupon such rights, options or warrants shall be deemed to have been distributed and an appropriate distribution shall be made under this Section 14.04(a). If any such right, option or
warrant, including any such existing rights, options or warrants distributed prior to the date of this Indenture, are subject to events, upon the occurrence of which such rights, options 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 Ex-Dividend Date with respect to new rights, options or warrants with such rights
(in which case the existing rights, options or warrants shall be deemed to terminate and expire on such date without exercise by any of the holders thereof). 

Section 14.05. Adjustments of Prices. Whenever any provision of this Indenture requires the Company to calculate the Last Reported Sale
Prices, the Daily VWAPs or the Daily Conversion Values over a span of multiple days (including, without limitation, an Observation Period), the Board of Directors shall make appropriate adjustments to each to account for any adjustment to the
Conversion Rate that becomes effective, or any event requiring an adjustment to the Conversion Rate where the Ex-Dividend Date, Effective Date or expiration date, as the case may be, of the event occurs, at any time during the period when the Last
Reported Sale Prices, the Daily VWAPs or the Daily Conversion Values are to be calculated. 

  
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 Section 14.06. Shares to Be Fully Paid. The Company shall provide, free from
preemptive rights, out of its authorized but unissued shares or shares held in treasury, sufficient shares of Common Stock to provide for conversion of the Notes from time to time as such Notes are presented for conversion (assuming that at the time
of computation of such number of shares, all such Notes would be converted by a single Holder and that Physical Settlement were applicable). 

Section 14.07. Effect of Recapitalizations, Reclassifications and Changes of the Common Stock. 

(a) In the case of: 

(i) any recapitalization, reclassification or change of the Common Stock (other than changes resulting from a subdivision or
combination), 
 (ii) any consolidation, merger, combination or similar transaction involving the Company, 

(iii) any sale, lease or other transfer to a third party of the consolidated assets of the Company and the Company’s
Subsidiaries substantially as an entirety or 
 (iv) any statutory share exchange, 

in each case, as a result of which the Common Stock would be converted into, or exchanged for, stock, other securities, other property or assets (including
cash or any combination thereof) (any such event, a “Share Exchange Event”), then, at and after the effective time of such Share Exchange Event, the right to convert each $1,000 principal amount of Notes shall be changed into a
right to convert such principal amount of Notes into the kind and amount of shares of stock, other securities or other property or assets (including cash or any combination thereof) that a holder of a number of shares of Common Stock equal to the
Conversion Rate immediately prior to such Share Exchange Event would have owned or been entitled to receive (the “Reference Property,” with each “unit of Reference Property” meaning the kind and amount of Reference
Property that a holder of one share of Common Stock is entitled to receive) upon such Share Exchange Event and, prior to or at the effective time of such Share Exchange Event, the Company or the successor or purchasing Person, as the case may be,
shall execute with the Trustee a supplemental indenture permitted under Section 10.01(f) providing for such change in the right to convert each $1,000 principal amount of Notes; provided, however, that at and after the effective
time of the Share Exchange Event (A) the Company shall continue to have the right to determine the form of consideration to be paid or delivered, as the case may be, upon conversion of Notes in accordance with Section 14.02 and
(B) (I) any amount payable in cash upon conversion of the Notes in accordance with Section 14.02 shall continue to be payable in cash, (II) any shares of Common Stock that the Company would have been required to deliver upon
conversion of the Notes in accordance with Section 14.02 shall instead be deliverable in the amount and type of Reference Property that a holder of that number of shares of Common Stock would have been entitled to receive in such Share Exchange
Event and (III) the Daily VWAP shall be calculated based on the value of a unit of Reference Property. 

  
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 If the Share Exchange Event causes the Common Stock to be converted into, or exchanged for,
the right to receive more than a single type of consideration (determined based in part upon any form of stockholder election), then (i) the Reference Property into which the Notes will be convertible shall be deemed to be the weighted average
of the types and amounts of consideration actually received by the holders of Common Stock, and (ii) the unit of Reference Property for purposes of the immediately preceding paragraph shall refer to the consideration referred to in clause
(i) attributable to one share of Common Stock. If the holders of the Common Stock receive only cash in such Share Exchange Event, then for all conversions for which the relevant Conversion Date occurs after the effective date of such Share
Exchange Event (A) the consideration due upon conversion of each $1,000 principal amount of Notes shall be solely cash in an amount equal to the Conversion Rate in effect on the Conversion Date, multiplied by the price paid per share of
Common Stock in such Share Exchange Event and (B) the Company shall satisfy the Conversion Obligation by paying cash to converting Holders on the second Business Day immediately following the relevant Conversion Date (for the avoidance of
doubt, subject to clause (y) of the proviso in the last sentence of the first paragraph of Section 14.02(a). The Company shall notify Holders, the Trustee and the Conversion Agent (if other than the Trustee) of such weighted average as
soon as reasonably practicable after such determination is made. 
 Such supplemental indenture described in the second immediately
preceding paragraph shall provide for anti-dilution and other adjustment and distribution rights that shall be as nearly equivalent as is possible to the adjustments and rights provided for in this Article 14. If, in the case of any Share Exchange
Event, the Reference Property includes shares of stock, securities or other property or assets (including cash or any combination thereof) of a Person other than the successor or purchasing corporation, as the case may be, in such Share Exchange
Event, then such supplemental indenture shall also be executed by such other Person and shall contain such additional provisions as the Board of Directors shall reasonably consider necessary or appropriate to protect the rights of the Holders under
this Indenture, including the right to require the Company to repurchase the Notes as set forth in Article 15. 
 (b) When the Company
executes a supplemental indenture pursuant to subsection (a) of this Section 14.07, the Company shall promptly file with the Trustee an Officers’ Certificate briefly stating the reasons therefor, the kind or amount of cash, securities
or property or asset that will comprise a unit of Reference Property after any such Share Exchange Event, any adjustment to be made with respect thereto and that all conditions precedent have been complied with, and shall promptly deliver notice
thereof to all Holders. The Company shall cause notice of the execution of such supplemental indenture to be delivered to each Holder within 20 days after execution thereof. Failure to deliver such notice shall not affect the legality or validity of
such supplemental indenture. 
 (c) The Company shall not consummate any Share Exchange Event unless its terms are consistent with this
Section 14.07. None of the foregoing provisions shall affect the right of a holder of Notes to convert its Notes into cash or shares of Common Stock, as applicable, as set forth in Section 14.01 and Section 14.02 prior to the
effective date of such Share Exchange Event. 

  
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 (d) The above provisions of this Section shall similarly apply to successive Share Exchange
Events. 
 Section 14.08. Certain Covenants. (a) The Company covenants that all shares of Common Stock issued upon conversion of
Notes will be fully paid and non-assessable by the Company and free from all taxes, liens and charges with respect to the issue thereof. 

(b) The Company covenants that, if any shares of Common Stock to be provided for the purpose of conversion of Notes hereunder require
registration with or approval of any governmental authority under any federal or state law before such shares of Common Stock may be validly issued upon conversion, the Company will, to the extent then permitted by the rules and interpretations of
the Commission, secure such registration or approval, as the case may be. 
 (c) The Company further covenants that if at any time the
Common Stock shall be listed on any national securities exchange or automated quotation system the Company will list and keep listed, so long as the Common Stock shall be so listed on such exchange or automated quotation system, any Common Stock
issuable upon conversion of the Notes. 
 Section 14.09. Responsibility of Trustee. The Trustee and any other Conversion Agent shall
not at any time be under any duty or responsibility to any Holder to determine the Conversion Rate (or any adjustment thereto) or whether any facts exist that may require any adjustment (including any increase) of the Conversion Rate, or with
respect to the nature or extent or calculation of any such adjustment when made, or with respect to the method employed, or herein or in any supplemental indenture provided to be employed, in making the same. The Trustee and any other Conversion
Agent shall not be accountable with respect to the validity or value (or the kind or amount) of any shares of Common Stock, or of any securities, property or cash that may at any time be issued or delivered upon the conversion of any Note; and the
Trustee and any other Conversion Agent make no representations with respect thereto. Neither the Trustee nor any Conversion Agent shall be responsible for any failure of the Company to issue, transfer or deliver any shares of Common Stock or stock
certificates or other securities or property or cash upon the surrender of any Note for the purpose of conversion or to comply with any of the duties, responsibilities or covenants of the Company contained in this Article. Without limiting the
generality of the foregoing, neither the Trustee nor any Conversion Agent shall be under any responsibility to determine the correctness of any provisions contained in any supplemental indenture entered into pursuant to Section 14.07 relating
either to the kind or amount of shares of stock or securities or property (including cash) receivable by Holders upon the conversion of their Notes after any event referred to in such Section 14.07 or to any adjustment to be made with respect
thereto, but, subject to the provisions of Section 7.01, may accept (without any independent investigation) 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. 

  
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 Section 14.10. Notice to Holders Prior to Certain Actions. In case of any: 

(a) action by the Company or one of its Subsidiaries that would require an adjustment in the Conversion Rate pursuant to Section 14.03 or
a distribution pursuant to Section 14.04 or Section 14.11; 
 (b) Share Exchange Event or Merger Event; or 

(c) voluntary or involuntary dissolution, liquidation or winding-up of the Company or any of its Subsidiaries; 

then, in each case (unless notice of such event is otherwise required pursuant to another provision of this Indenture), the Company shall, at least 20 days
prior to the applicable date hereinafter specified, cause to be filed with the Trustee and the Conversion Agent (if other than the Trustee) for delivery to each Holder, a notice stating (i) the date on which a record is to be taken for the
purpose of such action by the Company or one of its Subsidiaries or, if a record is not to be taken, the date as of which the holders of Common Stock of record are to be determined for the purposes of such action by the Company or one of its
Subsidiaries, or (ii) the date on which such Share Exchange Event, Merger Event, 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 Share Exchange Event, Merger Event, dissolution, liquidation or winding-up. Failure to give such notice, or any defect therein, shall not affect
the legality or validity of such action by the Company or one of its Subsidiaries, Share Exchange Event, Merger Event, dissolution, liquidation or winding-up. 

Section 14.11. Stockholder Rights Plans. If the Company has a stockholder rights plan in effect upon conversion of the Notes, each
share of Common Stock, if any, issued upon such conversion 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 such stockholder rights plan, as the same may be amended from time to time. However, if, prior to any conversion of Notes, the rights have separated from the shares of Common Stock in accordance with the
provisions of the applicable stockholder rights plan, a distribution shall be made at the time of separation as if the Company distributed to all or substantially all holders of the Common Stock Distributed Property as provided in Section 14.04.

 Section 14.12. Certain Limitations on Settlement. 

(a) For so long as the Common Stock is registered under the Exchange Act, a beneficial owner of the Notes shall not be entitled to receive
shares of Common Stock upon conversion of any Notes pursuant to Section 14.01(a) (each, an “Optional Conversion”) during any period of time in which the aggregate number of shares of Common Stock that may be acquired by such
beneficial owner upon conversion of Notes shall, when added to the aggregate number of shares of Common Stock deemed beneficially owned, directly or indirectly, by such beneficial owner and each person subject to aggregation of Common Stock with
such beneficial owner under Section 13 or Section 16 of the Exchange Act and the rules promulgated thereunder at such time (an “Aggregated Person”) (other than by virtue of the ownership of securities or rights to acquire securities
that have limitations on such beneficial owner’s or such person’s right 

  
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to convert, exercise or purchase similar to this limitation), as determined pursuant to the rules and regulations promulgated under Section 13(d) of the Exchange Act, exceed 9.99% (or, in
respect of funds and accounts managed by BlackRock Financial Management, Inc. and its Affiliates, 19.99%) (the “Restricted Ownership Percentage”) of the total issued and outstanding shares of Common Stock (the “Conversion
Blocker”). Notwithstanding the foregoing, this Conversion Blocker shall not apply (a) with respect to a beneficial owner of the Notes if such beneficial owner is subject to Section 16(a) of the Exchange Act without regard to the
aggregate number of shares of Common Stock issuable upon conversion of the Notes and upon conversion, exercise or sale of securities or rights to acquire securities that have limitations on such beneficial owner’s right to convert, exercise or
purchase similar to this limitation or (b) to any beneficial owner of Notes acquiring Notes on the date of this Indenture that does not wish for the Conversion Blocker to apply to it and/or its Affiliates and has notified the Company and
the Trustee on the date of this Indenture by delivering an opt-out notice substantially in the form of Exhibit C hereto. Any purported delivery of shares of Common Stock upon Optional Conversion of Notes by a beneficial owner shall be
void and have no effect to the extent (but only to the extent) that, after such delivery such beneficial owner’s beneficial ownership of Common Stock (together with that of any Aggregated Person) would exceed the Restricted Ownership
Percentage. If any delivery of shares of Common Stock owed to a beneficial owner upon Optional Conversion of Notes is not made, in whole or in part, as a result of the limitations described in this Section 14.12, the Company’s obligation
to make such delivery shall not be extinguished, and the Company shall deliver such shares as promptly as practicable after the applicable beneficial owner gives notice to the Company that, after such delivery, such beneficial owner’s
beneficial ownership of Common Stock (together with that of any Aggregated Person) would not exceed the Restricted Ownership Percentage. Nothing in this Section 14.12 shall have any effect upon the provisions and calculations set forth in
Section 14.03 through Section 14.07 (inclusive). 
 (b) Notwithstanding the foregoing, the Company shall issue shares of Common
Stock upon Optional Conversion of such beneficial owner’s Notes up to (but not exceeding) the amount that would cause such beneficial owner’s beneficial ownership of Common Stock (together with that of any Aggregated Person) to equal the
Restricted Ownership Percentage; provided that each beneficial owner shall have the right at any time and from time to time to (i) reduce the Restricted Ownership Percentage applicable to such beneficial owner immediately upon prior written
notice to the Company (provided that, for the avoidance of doubt, in such event, such beneficial owner may sell shares of Common Stock or Notes to reduce the aggregate number of shares of Common Stock deemed beneficially owned by such beneficial
owner (together with any Aggregated Person) to a level below the reduced Restricted Ownership Percentage, in which case the Notes will be convertible by such beneficial owner upon Optional Conversion up to (but will not exceed) the reduced
Restricted Ownership Percentage) or (ii) increase the Restricted Ownership Percentage applicable to such beneficial owner (together with any Aggregated Person) upon 65 days’ prior written notice to the Company. 

(c) Under no circumstances shall the Trustee or the Conversion Agent have any obligation to identify any beneficial owner of the Notes, or
otherwise make any determination, monitor or otherwise take any action with respect to the restrictions set forth in this Section 14.12. 

  
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 (d) In determining the number of shares of Common Stock outstanding, the beneficial owner of
the Notes may rely on the number of outstanding shares of Common Stock as reflected in (x) the Company’s most recent Annual Report on Form 10-K or Quarterly Report on Form 10-Q filed with the Commission, as the case may be, (y) a more
recent public announcement by the Company or (z) a more recent notice by the Company or its transfer agent to the beneficial owner of the Notes setting forth the number of shares of Common Stock then outstanding. For any reason at any time,
upon written or oral request of the Holder, the Company shall, within two Business Days of such request, confirm orally and in writing to the Holder the amount or number of any Common Equity of any class then outstanding. 

(e) The provisions of this Section 14.12 shall be construed, corrected and implemented in a manner so as to effectuate the intended
beneficial ownership limitation herein contained. 
 ARTICLE 15 

REPURCHASE OF NOTES AT OPTION OF
HOLDERS 
 Section 15.01. Intentionally Omitted. 

Section 15.02. Repurchase at Option of Holders Upon a Fundamental Change.  

(a) If a Fundamental Change occurs at any time, subject to the Company’s rights under Section 14.01(c), if applicable, each Holder
shall have the right, at such Holder’s option, to require the Company to repurchase for cash all of such Holder’s Notes, or any portion thereof that is equal to $1.00 or an integral multiple of $1.00 in excess thereof, on the date (the
“Fundamental Change Repurchase Date”) specified by the Company that is not less than 20 calendar days or more than 35 calendar days following the date of the Fundamental Change Company Notice at a repurchase price equal to 100% of
the principal amount of such Notes, plus any accrued interest that has not been paid to, but excluding, the Fundamental Change Repurchase Date (the “Fundamental Change Repurchase Price”), unless the Fundamental Change
Repurchase Date falls after a Regular Record Date but on or prior to the Interest Payment Date to which such Regular Record Date relates, in which case the Company shall instead pay the full amount of accrued interest that has not been paid in cash
to Holders of record as of such Regular Record Date, and the Fundamental Change Repurchase Price shall be equal to 100% of the principal amount of Notes to be repurchased pursuant to this Article 15. 

(b) Repurchases of Notes under this Section 15.02 shall be made, at the option of the Holder thereof, upon: 

(i) delivery to the Paying Agent by a Holder of a duly completed notice (the “Fundamental Change Repurchase
Notice”) in the form set forth in Attachment 2 to the Form of Note attached hereto as Exhibit A, if the Notes are Physical Notes, or in compliance with the Depositary’s procedures for surrendering interests in Global Notes, if the
Notes are Global Notes, in each case on or before the close of business on the Business Day immediately preceding the Fundamental Change Repurchase Date; and 

  
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 (ii) delivery of the Notes, if the Notes are Physical Notes, to the Paying
Agent at any time after delivery of the Fundamental Change Repurchase Notice (together with all necessary endorsements for transfer) at the Corporate Trust Office of the Paying Agent, or book-entry transfer of the Notes, if the Notes are Global
Notes, in compliance with the procedures of the Depositary, in each case such delivery being a condition to receipt by the Holder of the Fundamental Change Repurchase Price therefor. 

The Fundamental Change Repurchase Notice in respect of any Notes to be repurchased shall state: 

(i) in the case of Physical Notes, the certificate numbers of the Notes to be delivered for repurchase; 

(ii) the aggregate principal amount of Notes to be repurchased, which must be $1.00 or an integral multiple thereof; and 

(iii) that the Notes are to be repurchased by the Company pursuant to the applicable provisions of the Notes and this
Indenture; 
 provided, however, that if the Notes are Global Notes, the Fundamental Change Repurchase Notice must comply with appropriate
Depositary procedures. 
 Notwithstanding anything herein to the contrary, any Holder delivering to the Paying Agent the Fundamental
Change Repurchase Notice contemplated by this Section 15.02 shall have the right to withdraw, in whole or in part, such Fundamental Change Repurchase Notice at any time prior to the close of business on the Business Day prior to the Fundamental
Change Repurchase Date by delivery of a written notice of withdrawal to the Paying Agent in accordance with Section 15.03. 
 The
Paying Agent shall promptly notify the Company of the receipt by it of any Fundamental Change Repurchase Notice or written notice of withdrawal thereof. 

(c) On or before the 20th calendar day after the occurrence of the effective date of a Fundamental Change, the Company shall provide to all
Holders of Notes and the Trustee and the Paying Agent (in the case of a Paying Agent other than the Trustee) a notice (the “Fundamental Change Company Notice”) of the occurrence of the effective date of the Fundamental Change and of
the repurchase right at the option of the Holders arising as a result thereof. In the case of Physical Notes, such notice shall be by first class mail or, in the case of Global Notes, such notice shall be delivered in accordance with the applicable
procedures of the Depositary. Simultaneously with providing such notice, the Company shall publish a notice containing the information set forth in the Fundamental Change Company Notice 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 that time. Each Fundamental Change Company Notice shall specify: 

(i) the events causing the Fundamental Change; 

  
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 (ii) the date of the Fundamental Change; 

(iii) the last date on which a Holder may exercise the repurchase right pursuant to this Article 15; 

(iv) the Fundamental Change Repurchase Price; 

(v) the Fundamental Change Repurchase Date; 

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

(vii) if applicable, the Conversion Rate and any adjustments to the Conversion Rate; 

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

(ix) the procedures that Holders must follow to require the Company to repurchase their Notes. 

No failure of the Company to give the foregoing notices and no defect therein shall limit the Holders’ repurchase rights or affect the
validity of the proceedings for the repurchase of the Notes pursuant to this Section 15.02. 
 At the Company’s written request,
the Trustee shall give such notice in the Company’s name and at the Company’s expense; provided, however, that, in all cases, the text of such Fundamental Change Company Notice shall be prepared by the Company. 

(d) Notwithstanding the foregoing, no Notes may be repurchased by the Company on any date at the option of the Holders upon a Fundamental
Change if the principal amount of the Notes has been accelerated, and such acceleration has not been rescinded, on or prior to such date (except in the case of an acceleration resulting from a Default by the Company in the payment of the Fundamental
Change Repurchase Price with respect to such Notes). The Paying Agent will promptly return to the respective Holders thereof any Physical Notes held by it during the acceleration of the Notes (except in the case of an acceleration resulting from a
Default by the Company in the payment of the Fundamental Change Repurchase Price with respect to such Notes), or any instructions for book-entry transfer of the Notes in compliance with the procedures of the Depositary shall be deemed to have been
cancelled, and, upon such return or cancellation, as the case may be, the Fundamental Change Repurchase Notice with respect thereto shall be deemed to have been withdrawn. 

  
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 Section 15.03. Withdrawal of Fundamental Change Repurchase Notice. (a) A
Fundamental Change Repurchase Notice may be withdrawn (in whole or in part) by means of a written notice of withdrawal delivered to the Corporate Trust Office of the Paying Agent in accordance with this Section 15.03 at any time prior to the
close of business on the Business Day immediately preceding the Fundamental Change Repurchase Date, specifying: 
 (i) the
aggregate principal amount of the Notes with respect to which such notice of withdrawal is being submitted; 
 (ii) if
Physical Notes have been issued, the certificate number of the Note in respect of which such notice of withdrawal is being submitted; and 

(iii) the principal amount, if any, of such Note that remains subject to the original Fundamental Change Repurchase Notice,
which portion must be in minimum denominations of $1.00 or an integral multiple of $1.00 in excess thereof; 
 provided, however, that if the
Notes are Global Notes, the notice must comply with appropriate procedures of the Depositary. 
 Section 15.04. Deposit of Fundamental
Change Repurchase Price. (a) The Company will deposit with the Trustee (or other Paying Agent appointed by the Company, or if the Company is acting as its own Paying Agent, set aside, segregate and hold in trust as provided in
Section 4.04) on or prior to 11:00 a.m., New York City time, on the Fundamental Change Repurchase Date an amount of money sufficient to repurchase all of the Notes to be repurchased at the appropriate Fundamental Change Repurchase Price.
Subject to receipt of funds and/or Notes by the Trustee (or other Paying Agent appointed by the Company), payment for Notes surrendered for repurchase (and not withdrawn prior to the close of business on the Business Day immediately preceding the
Fundamental Change Repurchase Date) will be made on the later of (i) the Fundamental Change Repurchase Date (provided the Holder has satisfied the conditions in Section 15.02) and (ii) the time of book-entry transfer or the
delivery of such Note to the Trustee (or other Paying Agent appointed by the Company) by the Holder thereof in the manner required by Section 15.02 by mailing checks for the amount payable to the Holders of such Notes entitled thereto as they
shall appear in the Note Register; provided, however, that payments to the Depositary shall be made by wire transfer of immediately available funds to the account of the Depositary or its nominee. The Trustee shall, promptly after such
payment and upon written demand by the Company, return to the Company any funds in excess of the Fundamental Change Repurchase Price. 
 (b)
If by 11:00 a.m. New York City time, on the Fundamental Change Repurchase Date, the Trustee (or other Paying Agent appointed by the Company) holds money sufficient to make payment on all the Notes or portions thereof that are to be repurchased on
such Fundamental Change Repurchase Date, then, with respect to the Notes that have been properly surrendered for repurchase and have not been validly withdrawn, (i) such Notes will cease to be outstanding, (ii) interest will cease to
accrue on such Notes (whether or not book-entry transfer of the Notes has been made or the Notes have been delivered to the Trustee or Paying Agent) and (iii) all other rights of the Holders of such Notes will terminate (other than the right to
receive the Fundamental Change Repurchase Price and, if applicable, accrued interest that has not been paid ). 

  
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 (c) Upon surrender of a Note that is to be repurchased in part pursuant to
Section 15.02, the Company shall execute and the Trustee shall authenticate and deliver to the Holder a new Note in an authorized denomination equal to the principal amount of the unrepurchased portion of the Note surrendered. 

Section 15.05. Covenant to Comply with Applicable Laws Upon Repurchase of Notes. In connection with any repurchase offer, the Company
will, if required: 
 (a) comply with the provisions of Rule 13e-4, Rule 14e-1 and any other tender offer rules under the Exchange Act; 

(b) file a Schedule TO or any other required schedule under the Exchange Act; and 

(c) otherwise comply with all federal and state securities laws in connection with any offer by the Company to repurchase the Notes; 

in each case, so as to permit the rights and obligations under this Article 15 to be exercised in the time and in the manner specified in this Article 15. To
the extent that the provisions of any securities laws or regulations conflict with provisions of this Indenture, the Company shall comply with the applicable securities laws and regulations and shall not be deemed to have breached its obligations
hereunder by virtue thereof. 
 ARTICLE 16 

NO REDEMPTION 

Section 16.01. No Redemption. The Notes shall not be redeemable by the Company prior to the Maturity Date, and no sinking fund is
provided for the Notes. 
 ARTICLE 17 

MISCELLANEOUS PROVISIONS 

Section 17.01. Provisions Binding on Company’s Successors. All the covenants, stipulations, promises and agreements of the Company
contained in this Indenture shall bind its successors and assigns whether so expressed or not. 
 Section 17.02. Official Acts by
Successor Corporation. Any act or proceeding by any provision of this Indenture authorized or required to be done or performed by any board, committee or Officer of the Company shall and may be done and performed with like force and effect by
the like board, committee or officer of any corporation or other entity that shall at the time be the lawful sole successor of the Company. 

Section 17.03. Addresses for Notices, Etc. Any notice or demand that by any provision of this Indenture is required or permitted to be
given or served by the Trustee or by the Holders on the Company shall be deemed to have been sufficiently given or made, for all purposes if given or served by being deposited postage prepaid by registered or certified mail in a post office letter
box addressed (until another address is provided in writing by the Company to the Trustee) 

  
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to Pioneer Energy Services Corp., 1250 N.E. Loop 410, Suite 1000, San Antonio, Texas 78209, Attention: General Counsel. Any notice, direction, request or demand hereunder to or upon the Trustee
shall be deemed to have been sufficiently given or made, for all purposes, if given or served by being deposited postage prepaid by registered or certified mail in a post office letter box addressed to the Corporate Trust Office. 

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

Any notice or communication delivered or to be delivered to a Holder of Physical Notes shall be mailed to it by first class mail, postage
prepaid, at its address as it appears on the Note Register and shall be sufficiently given to it if so mailed within the time prescribed. Any notice or communication delivered or to be delivered to a Holder of Global Notes shall be delivered in
accordance with the applicable procedures of the Depositary and shall be sufficiently given to it if so delivered within the time prescribed. 

Failure to mail or deliver a notice or communication to a Holder or any defect in it shall not affect its sufficiency with respect to other
Holders. If a notice or communication is mailed or delivered, as the case may be, in the manner provided above, it is duly given, whether or not the addressee receives it. 

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 to
Holders by mail, then such notification as shall be made with the approval of the Trustee shall constitute a sufficient notification for every purpose hereunder. 

Section 17.04. Governing Law; Jurisdiction. THIS INDENTURE AND EACH NOTE, AND ANY CLAIM, CONTROVERSY OR DISPUTE ARISING UNDER OR
RELATED TO THIS INDENTURE AND EACH NOTE, SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK (WITHOUT REGARD TO THE CONFLICTS OF LAWS PROVISIONS THEREOF THAT WOULD REQUIRE THE APPLICATION OF LAWS OF ANOTHER
JURISDICTION). 
 The Company irrevocably consents and agrees, for the benefit of the Holders from time to time of the Notes and the
Trustee, that any legal action, suit or proceeding against it with respect to obligations, liabilities or any other matter arising out of or in connection with this Indenture or the Notes may be brought in the courts of the State of New York or the
courts of the United States located in the Borough of Manhattan, New York City, New York and, until amounts due and to become due in respect of the Notes have been paid, hereby irrevocably consents and submits to the non-exclusive jurisdiction of
each such court in personam, generally and unconditionally with respect to any action, suit or proceeding for itself in respect of its properties, assets and revenues. 

The Company irrevocably and unconditionally waives, to the fullest extent permitted by law, any objection which it may now or hereafter have
to the laying of venue of any of the aforesaid actions, suits or proceedings arising out of or in connection with this Indenture brought in the courts of the State of New York or the courts of the United States located in the Borough of Manhattan,
New York City, New York and hereby further irrevocably and unconditionally waives and agrees not to plead or claim in any such court that any such action, suit or proceeding brought in any such court has been brought in an inconvenient forum. 

  
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 Section 17.05. Evidence of Compliance with Conditions Precedent; Certificates and
Opinions of Counsel to Trustee. Upon any application or demand by the Company to the Trustee to take any action under any of the provisions of this Indenture, the Company shall furnish to the Trustee, at the request of the Trustee, an
Officers’ Certificate and Opinion of Counsel stating that such action is permitted by the terms of this Indenture. 
 Each
Officers’ Certificate and Opinion of Counsel provided for, by or on behalf of the Company in this Indenture and delivered to the Trustee with respect to compliance with this Indenture (other than the Officers’ Certificates provided for in
Section 4.08) shall include (a) a statement that the person signing such certificate is familiar with the requested action and this Indenture; (b) a brief statement as to the nature and scope of the examination or investigation upon
which the statement contained in such certificate is based; (c) a statement that, in the judgment of such person, he or she has made such examination or investigation as is necessary to enable him or her to express an informed judgment as to
whether or not such action is permitted by this Indenture; and (d) a statement as to whether or not, in the judgment of such person, such action is permitted by this Indenture. 

Section 17.06. Legal Holidays. In any case where any Interest Payment Date, any Fundamental Change Repurchase Date or the Maturity Date
is not a Business Day or is any other day on which banking institutions are authorized or required by law to close in the place of payment, then, in any such case, any action to be taken on such date need not be taken on such date, but may be taken
on the next succeeding Business Day on which banking institutions are not authorized or required by law to close in the place of payment, with the same force and effect as if taken on such date, and no interest shall accrue in respect of the delay.

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

Section 17.08. Benefits of Indenture. Nothing in this Indenture or in the Notes, expressed or implied, shall give to any Person, other
than the Holders, the parties hereto, any Paying Agent, any Conversion Agent, any authenticating agent, any Note Registrar and their successors hereunder, any benefit or any legal or equitable right, remedy or claim under this Indenture. 

Section 17.09. Table of Contents, Headings, Etc. The table of contents and the titles and headings of the articles and sections of this
Indenture have been inserted for convenience of reference only, are not to be considered a part hereof, and shall in no way modify or restrict any of the terms or provisions hereof. 

  
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 Section 17.10. Authenticating Agent. The Trustee may appoint an authenticating agent
that shall be authorized to act on its behalf and subject to its direction in the authentication and delivery of Notes in connection with the original issuance thereof and transfers and exchanges of Notes hereunder, including under
Section 2.04, Section 2.05, Section 2.06, Section 2.07, Section 10.04 and Section 15.04 as fully to all intents and purposes as though the authenticating agent had been expressly authorized by this Indenture and those
Sections to authenticate and deliver Notes. For all purposes of this Indenture, the authentication and delivery of Notes by the authenticating agent shall be deemed to be authentication and delivery of such Notes “by the Trustee” and a
certificate of authentication executed on behalf of the Trustee by an authenticating agent shall be deemed to satisfy any requirement hereunder or in the Notes for the Trustee’s certificate of authentication. Such authenticating agent shall at
all times be a Person eligible to serve as trustee hereunder pursuant to Section 7.08. 
 Any corporation or other entity into which any
authenticating agent may be merged or converted or with which it may be consolidated, or any corporation or other entity resulting from any merger, consolidation or conversion to which any authenticating agent shall be a party, or any corporation or
other entity succeeding to the corporate trust business of any authenticating agent, shall be the successor of the authenticating agent hereunder, if such successor corporation or other entity is otherwise eligible under this Section 17.10,
without the execution or filing of any paper or any further act on the part of the parties hereto or the authenticating agent or such successor corporation or other entity. 

Any authenticating agent may at any time resign by giving written notice of resignation to the Trustee and to the Company. The Trustee may at
any time terminate the agency of any authenticating agent by giving written notice of termination to such authenticating agent and to the Company. Upon receiving such a notice of resignation or upon such a termination, or in case at any time any
authenticating agent shall cease to be eligible under this Section, the Trustee may appoint a successor authenticating agent (which may be the Trustee), shall give written notice of such appointment to the Company and shall deliver notice of such
appointment to all Holders. 
 The Company agrees to pay to the authenticating agent from time to time reasonable compensation for its
services although the Company may terminate the authenticating agent, if it determines such agent’s fees to be unreasonable. 
 The
provisions of Section 7.02, Section 7.03, Section 7.04, Section 8.03 and this Section 17.10 shall be applicable to any authenticating agent. 

If an authenticating agent is appointed pursuant to this Section 17.10, the Notes may have endorsed thereon, in addition to the
Trustee’s certificate of authentication, an alternative certificate of authentication in the following form: 

                          
                              , 

as Authenticating Agent, certifies that this is one of the Notes described 

in the within-named Indenture. 
  

			
	By:	 	 


			
	Authorized Officer


  
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 Section 17.11. Execution in Counterparts. This Indenture may be executed in any
number of counterparts, each of which shall be an original, but such counterparts shall together constitute but one and the same instrument. The exchange of copies of this Indenture and of signature pages by facsimile or PDF transmission shall
constitute effective execution and delivery of this Indenture as to the parties hereto and may be used in lieu of the original Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their
original signatures for all purposes. 
 Section 17.12. Severability. In the event any provision of this Indenture or in the Notes
shall be invalid, illegal or unenforceable, then (to the extent permitted by law) the validity, legality or enforceability of the remaining provisions shall not in any way be affected or impaired. 

Section 17.13. 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 INDENTURE, THE NOTES OR THE TRANSACTIONS CONTEMPLATED HEREBY. 

Section 17.14. 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, epidemics, pandemics,
nuclear or natural catastrophes or acts of God, and interruptions, loss or malfunctions of utilities, communications or computer (software and hardware) services, or the unavailability of the Federal Reserve Bank wire or telex or other wire or
communication facility; it being understood that the Trustee shall use reasonable efforts that are consistent with accepted practices in the banking industry to resume performance as soon as practicable under the circumstances. 

Section 17.15. Calculations. Except as otherwise provided herein, the Company shall be responsible for making all calculations called
for under the Notes. These calculations include, but are not limited to, determinations of the Capitalization Amounts, the Last Reported Sale Prices of the Common Stock, the Daily VWAPs, the Daily Conversion Values, the Fundamental Change Repurchase
Prices, accrued interest payable on the Notes and the Conversion Rate of the Notes. The Company shall make all these calculations in good faith and, absent manifest error, the Company’s calculations shall be final and binding on Holders of
Notes. The Company shall 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 forward the Company’s calculations to any Holder of Notes upon the request of that Holder at the sole cost and expense of the Company. 

  
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 Section 17.16. USA PATRIOT Act. The parties hereto acknowledge that in accordance
with Section 326 of the USA PATRIOT Act, the Trustee, like all financial institutions and in order to help fight the funding of terrorism and money laundering, is required to obtain, verify, and record information that identifies each person or
legal entity that establishes a relationship or opens an account with the Trustee. The parties to this Indenture agree that they will provide the Trustee with such information as it may request in order for the Trustee to satisfy the requirements of
the USA PATRIOT Act. 
 Section 17.17 Tax Treatment. Absent a change in law, or a contrary determination (as defined in
Section 1313(a) of the Internal Revenue Code of 1986, as amended (the “Code”)), or, solely in the case of clauses (ii) or (iii) hereof, a change in Internal Revenue Service administrative guidance, the Company and
each Holder of Notes agrees, solely for all U.S. federal, and applicable state and local, income tax purposes, (i) to treat the Notes as equity of the Company, (ii) not to treat the Notes as “preferred stock” within the meaning
of Section 305 of the Code, (iii) (A) not to treat any increase of the Capitalized Principal Amount of the Notes as a distribution for purposes of Section 301 of the Code and (B) to treat any issuance of PIK Notes as a
distribution of stock pursuant to Section 305 of the Code, (iv) to treat a conversion of Notes satisfied by Physical Settlement as a recapitalization within the meaning of Section 368(a)(1)(E) of the Code, and (v) to file all of
its applicable tax returns and reports in accordance with the treatment set forth in clauses (i), (ii), (iii) and (iv) of this Section 17.17. References to sections of the Code shall include corresponding references to similar
provisions in any applicable state and local tax laws. Notwithstanding the foregoing, and for the avoidance of doubt, the obligations under the Notes and under the Indenture shall constitute indebtedness for borrowed money for all other purposes.

 [Remainder of 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 date first written above. 
  

					
	PIONEER ENERGY SERVICES CORP.
		
	By:	 	/s/ Lorne E. Phillips
		 	Name:	 	Lorne E. Phillips
		 	Title:	 	Executive Vice President and Chief Financial Officer


  

					
	WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	/s/ Jane Schweiger
		 	Name:	 	Jane Schweiger
		 	Title:	 	Vice President














 EXHIBIT A 

[FORM OF FACE OF NOTE] 
 [INCLUDE
FOLLOWING LEGEND IF A GLOBAL NOTE] 
 [UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY,
A NEW YORK CORPORATION (“DTC”), TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN
AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT HEREUNDER IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY
PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.] 
 [INCLUDE FOLLOWING LEGEND IF A
RESTRICTED NOTE] 
 [THIS SECURITY AND THE COMMON STOCK, IF ANY, ISSUABLE UPON CONVERSION OF THIS SECURITY HAVE NOT BEEN REGISTERED UNDER
THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT IN ACCORDANCE WITH THE FOLLOWING SENTENCE. BY ITS ACQUISITION HEREOF OR OF A BENEFICIAL INTEREST HEREIN,
THE ACQUIRER: 
 (1) REPRESENTS THAT [IT AND ANY ACCOUNT FOR WHICH IT IS ACTING IS A “QUALIFIED INSTITUTIONAL
BUYER” (WITHIN THE MEANING OF RULE 144A UNDER THE SECURITIES ACT) AND THAT IT EXERCISES SOLE INVESTMENT DISCRETION WITH RESPECT TO EACH SUCH ACCOUNT,]1 

[IT AND ANY ACCOUNT FOR WHICH IT IS ACTING IS AN “ACCREDITED INVESTOR” (WITHIN THE MEANING OF RULE 501(a) UNDER THE SECURITIES ACT)
AND THAT IT EXERCISES SOLE INVESTMENT DISCRETION WITH RESPECT TO EACH SUCH ACCOUNT,]2 AND 

(2) AGREES FOR THE BENEFIT OF PIONEER ENERGY SERVICES CORP. (THE “COMPANY”) THAT IT WILL NOT OFFER, SELL, PLEDGE OR
OTHERWISE TRANSFER THIS SECURITY OR ANY BENEFICIAL INTEREST HEREIN PRIOR TO THE DATE THAT IS THE LATER OF (X) ONE YEAR AFTER THE LAST ORIGINAL ISSUE DATE HEREOF OR SUCH SHORTER PERIOD OF TIME AS PERMITTED BY RULE 144 UNDER THE SECURITIES ACT OR ANY
SUCCESSOR PROVISION THERETO AND (Y) SUCH LATER DATE, IF ANY, AS MAY BE REQUIRED BY APPLICABLE LAW, EXCEPT: 
 (A) TO THE
COMPANY OR ANY SUBSIDIARY THEREOF, OR 
  

	1 	 Include for Rule 144A Global Note. 



	2 	 Include for AI Global Note. 



  
 A-1 













 (B) PURSUANT TO A REGISTRATION STATEMENT WHICH HAS BECOME EFFECTIVE UNDER
THE SECURITIES ACT, OR 
 (C) TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, OR

 (D) PURSUANT TO AN EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT OR ANY OTHER AVAILABLE
EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. 
 PRIOR TO THE REGISTRATION OF ANY TRANSFER IN ACCORDANCE WITH CLAUSE
(2)(D) ABOVE, THE COMPANY RESERVES THE RIGHT TO REQUIRE THE DELIVERY OF SUCH LEGAL OPINIONS, CERTIFICATIONS OR OTHER EVIDENCE AS MAY REASONABLY BE REQUIRED IN ORDER TO DETERMINE THAT THE PROPOSED TRANSFER IS BEING MADE IN COMPLIANCE WITH THE
SECURITIES ACT AND APPLICABLE STATE SECURITIES LAWS. NO REPRESENTATION IS MADE AS TO THE AVAILABILITY OF ANY EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT.] 

  
 A-2 













 PIONEER ENERGY SERVICES CORP. 

5.00% Convertible Senior Unsecured PIK Note due 2025 
  

			
	No. [            ]	  	Principal Amount: [Initially]3 $[            ]

 CUSIP No. [723664 AC2]4[723664 AE8]5 
 PIONEER ENERGY SERVICES CORP., a corporation duly organized and validly existing under
the laws of the State of Delaware (the “Company,” which term includes any successor corporation or other entity under the Indenture referred to on the reverse hereof), for value received hereby promises to pay to [CEDE &
CO.]6 [            ]7, or registered assigns, the amounts due upon
conversion, repurchase or otherwise corresponding to the principal amount set forth above [or such greater or lesser principal amount as set forth in the “Schedule of Exchanges of Notes” attached hereto]8 [of $[            ]]9, in accordance with the rules and procedures of the
Depositary, and interest thereon as set forth below. 
 This Note shall bear interest at the rate of 5.00% per year from May 29,
2020, or from the most recent date to which interest had been paid or provided for to, but excluding, the next scheduled Interest Payment Date until November 15, 2025. Interest is payable semi-annually in arrears by an increase to the
Capitalized Principal Amount of the Notes pursuant to Section 2.03(d) of the Indenture on each May 15 and November 15, commencing on November 15, 2020, to Holders of record at the close of business on the preceding May 1 and
November 1 (whether or not such day is a Business Day), respectively. Notwithstanding the foregoing, in certain circumstances the Company may, at its option, in lieu of increasing the Capitalized Principal Amount of the Notes by the
Capitalization Amount for such Interest Payment Date, pay interest due and payable on the Notes by authenticating additional Notes on the relevant Interest Payment Date in an aggregate principal amount equal to the relevant Capitalization Amount.

 Any Defaulted Amounts shall accrue interest per annum at the rate borne by the Notes plus two percent, subject to the
enforceability thereof under applicable law, from, and including, the relevant payment date to, but excluding, the date on which such Defaulted Amounts shall have been paid by the Company, at its election, in accordance with Section 2.03(c) of
the Indenture.  
 The Company shall pay the principal of and any interest due in cash on this Note, if and so long as such Note is a
Global Note, in immediately available funds to the Depositary or its nominee, as the case may be, as the registered Holder of such Note. As provided in and subject to the provisions of the Indenture, the Company shall pay the principal of any Notes
(other than Notes that are Global Notes) at the office or agency designated by the Company for that purpose. The Company has initially designated the Trustee as its Paying Agent and Note Registrar in respect of the Notes and will designate an office
or agency in the contiguous United States as a place where Notes may be presented for payment or for registration of transfer and exchange. 

 

	3 	 Include if a global note. 



	4 	 Include if a Rule 144A Note. 



	5 	 Include if an AI Note. 



	6 	 Include if a global note. 



	7 	 Include if a physical note. 



	8 	 Include if a global note. 



	9 	 Include if a physical note. 



  
 A-3 













 Reference is made to the further provisions of this Note set forth on the reverse hereof,
including, without limitation, provisions giving the Holder of this Note the right to convert this Note into cash or shares of Common Stock, as applicable, on the terms and subject to the limitations set forth in the Indenture. Such further
provisions shall for all purposes have the same effect as though fully set forth at this place. 
 This Note, and any claim, controversy
or dispute arising under or related to this Note, shall be construed in accordance with and governed by the laws of the State of New York (without regard to the conflicts of laws provisions thereof). 

In the case of any conflict between this Note and the Indenture, the provisions of the Indenture shall control and govern. 

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

  
 A-4 













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

 

			
	PIONEER ENERGY SERVICES CORP.
		
	By:	 	 
		 	Name:
		 	Title:


 Dated: 
 TRUSTEE’S
CERTIFICATE OF AUTHENTICATION 
 WILMINGTON TRUST, NATIONAL ASSOCIATION 

as Trustee, certifies that this is one of the Notes described 
 in
the within-named Indenture. 
  

			
	By:	 	 
		 	Authorized Officer


  
 A-5 













 [FORM OF REVERSE OF NOTE] 

PIONEER ENERGY SERVICES CORP. 

5.00% Convertible Senior Unsecured PIK Note due 2025 

This Note is one of a duly authorized issue of Notes of the Company, designated as its 5.00% Convertible Senior Unsecured PIK Notes due
2025 (the “Notes”), initially in an aggregate principal amount of $129,771,000 all issued or to be issued under and pursuant to an Indenture dated as of May 29, 2020 (the “Indenture”), between the Company and
Wilmington Trust, 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 Notes. Capitalized terms used in this Note and not defined in this Note shall have the respective meanings set forth in the Indenture. 

In case certain Events of Default shall have occurred and be continuing, the principal of, and interest on, all Notes may be declared, by
either the Trustee or Holders of at least 25% in aggregate principal amount of Notes then outstanding, and upon said declaration shall become, due and payable, in the manner, with the effect and subject to the conditions and certain exceptions set
forth in the Indenture. 
 Subject to the terms and conditions of the Indenture, the Company will make all payments and deliveries in
respect of the Fundamental Change Repurchase Price on the Fundamental Change Repurchase Date to the Holder who surrenders a Note to a Paying Agent to collect such payments in respect of the Note. The Company will pay cash amounts in money of the
United States that at the time of payment is legal tender for payment of public and private debts. 
 The Indenture contains provisions
permitting the Company and the Trustee in certain circumstances, without the consent of the Holders of the Notes, and in certain other circumstances, with the consent of the Holders of not less than a majority in aggregate principal amount of the
Notes at the time outstanding, evidenced as in the Indenture provided, to execute supplemental indentures modifying the terms of the Indenture and the Notes as described therein. It is also provided in the Indenture that, subject to certain
exceptions, the Holders of a majority in aggregate principal amount of the Notes at the time outstanding may on behalf of the Holders of all of the Notes waive any past Default or Event of Default under the Indenture and its consequences. 

Each Holder shall have the right to receive payment or delivery, as the case may be, of (x) the principal (including the Fundamental
Change Repurchase Price, if applicable) of, (y) any accrued interest that has not been paid , if any, on, and (z) the consideration due upon conversion of, this Note at the place, at the respective times, at the rate and in the lawful
money or shares of Common Stock, as the case may be, herein prescribed. 

  
 A-6 













 The Notes are issuable in registered form without coupons in denominations of $1.00
principal amount and integral multiples of $1.00 in excess thereof. At the office or agency of the Company referred to on the face hereof, and in the manner and subject to the limitations provided in the Indenture, Notes may be exchanged for a like
aggregate principal amount of Notes of other authorized denominations, without payment of any service charge but, if required by the Company or Trustee, with payment of a sum sufficient to cover any transfer or similar tax that may be imposed in
connection therewith as a result of the name of the Holder of the new Notes issued upon such exchange of Notes being different from the name of the Holder of the old Notes surrendered for such exchange. 

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

Upon the occurrence of a Fundamental Change, the Holder has the right, at such Holder’s option, to require the Company to repurchase for
cash all of such Holder’s Notes or any portion thereof (in principal amounts of $1.00 or integral multiples thereof) on the Fundamental Change Repurchase Date at a price equal to the Fundamental Change Repurchase Price. 

Holders shall be entitled, for so long as any Notes remain outstanding, to vote on all matters on which holders of Common Stock generally are
entitled to vote, on the basis set forth in Article 13 of the Indenture. 

  
 A-7 













 ABBREVIATIONS 

The following abbreviations, when used in the inscription of the face of this Note, shall be construed as though they were written out in full
according to applicable laws or regulations: 
 TEN COM = as tenants in common 

UNIF GIFT MIN ACT = Uniform Gifts to Minors Act 
 CUST =
Custodian 
 TEN ENT = as tenants by the entireties 
 JT TEN =
joint tenants with right of survivorship and not as tenants in common 
 Additional abbreviations may also be used though not in the above
list. 

  
 A-8 













 SCHEDULE A10 

SCHEDULE OF EXCHANGES OF NOTES 

PIONEER ENERGY SERVICES CORP. 

5.00% Convertible Senior Unsecured PIK Notes due 2025 

The principal amount of this Global Note is _________________ DOLLARS ($[________]). The following increases or decreases in this Global Note
have been made: 
  

									
	 	 	 	 	 	 	Principal	 	 
	 	 	Amount of	 	Amount of	 	amount of this	 	Signature of
	 	 	decrease in	 	increase in	 	Global Note	 	authorized
	 	 	principal	 	principal	 	following	 	signatory of
	Date of	 	amount of this	 	amount of this	 	such decrease	 	Trustee or
	 exchange
	 	 Global Note
	 	 Global Note
	 	 or increase
	 	 Custodian

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  

	  
	 	  
	 	  
	 	  
	 	  


  

 

	10 	 Include if a global note. 



  
 A-1 













 ATTACHMENT 1 

[FORM OF NOTICE OF CONVERSION] 
  

	To:	 Wilmington Trust, National Association 



50 South Sixth Street, Suite 1290 

Minneapolis, MN 55402 
 Attention:
Pioneer Energy Services Notes Administrator 
 The undersigned registered owner of this Note hereby exercises the option to convert this
Note, or the portion hereof (that is $1.00 principal amount or an integral multiple thereof) below designated, into cash or shares of Common Stock, as applicable, in accordance with the terms of the Indenture referred to in this Note, and directs
that any cash payable and any shares of Common Stock issuable and deliverable upon such conversion, together with any cash for any fractional share, and any Notes representing any unconverted principal amount hereof, be issued and delivered to the
registered Holder hereof unless a different name has been indicated below. If any shares of Common Stock or any portion of this Note not converted are to be issued in the name of a Person other than the undersigned, the undersigned will pay all
documentary, stamp or similar issue or transfer taxes, if any in accordance with Section 14.02(d) and Section 14.02(e) of the Indenture. Any amount required to be paid to the undersigned on account of interest accompanies this Note. Capitalized
terms used herein but not defined shall have the meanings ascribed to such terms in the Indenture. 
  

									
	Dated:	 	 	 	        	 		 	
	 	 	 	 		 	 Signature(s)
  
	 	
	Signature Guarantee	 		 		 	


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


  
 1 














			
	Fill in for registration of shares if to be issued, and Notes if to be delivered, other than to and in the name of the registered holder:	  	
	 	  	
	 (Name)
  
	  	
	 (Street Address)
  
	  	
	(City, State and Zip Code)	  	
	Please print name and address	  	
		  	Principal amount to be converted (if less than all):
		  	 $______,000
  

		  	NOTICE: The above signature(s) of the Holder(s) hereof must correspond with the name as written upon the face of the Note in every particular without alteration or enlargement or any change whatever.
		  	______________________________
		  	Social Security or Other Taxpayer
		  	Identification Number


  
 2 













 ATTACHMENT 2 

[FORM OF FUNDAMENTAL CHANGE REPURCHASE NOTICE] 
  

	To:	 Wilmington Trust, National Association 



50 South Sixth Street, Suite 1290 

Minneapolis, MN 55402 
 Attention:
Pioneer Energy Services Notes Administrator 
 The undersigned registered owner of this Note hereby acknowledges receipt of a notice from
PIONEER ENERGY SERVICES CORP. (the “Company”) as to the occurrence of a Fundamental Change with respect to the Company and specifying the Fundamental Change Repurchase Date and requests and instructs the Company to pay to the
registered holder hereof in accordance with Section 15.02 of the Indenture referred to in this Note (1) the Fundamental Change Repurchase Price on the principal amount of this Note, or the portion thereof (that is $1.00 principal amount or
an integral multiple thereof) below designated, and (2) if such Fundamental Change Repurchase Date does not fall during the period after a Regular Record Date and on or prior to the corresponding Interest Payment Date, any accrued interest that
has not been paid thereon to, but excluding, such Fundamental Change Repurchase Date. Capitalized terms used herein but not defined shall have the meanings ascribed to such terms in the Indenture. 

In the case of Physical Notes, the certificate numbers of the Notes to be repurchased are as set forth below: 

 

			
	Dated:                     	  	
		
		  	 Signature(s)

		
		  	                                      
                          
		  	 Social Security or Other Taxpayer

Identification Number

		
		  	 Principal amount to be repaid (if less than all):

$            ,000

		
		  	NOTICE: The above signature(s) of the Holder(s) hereof must correspond with the name as written upon the face of the Note in every particular without alteration or enlargement or any change whatever.


  
 1 













 ATTACHMENT 3 

[FORM OF ASSIGNMENT AND TRANSFER FORM] 
 For
value received                      hereby sell(s), assign(s) and transfer(s) unto
                     (Please insert social security or Taxpayer Identification Number of assignee) the within Note, and hereby
irrevocably constitutes and appoints                      attorney to transfer the said Note on the books of the Company, with full power
of substitution in the premises. 
 In connection with any transfer of the within Note occurring prior to the Restricted Notes Resale Restriction
Termination Date, as defined in the Indenture governing such Note, the undersigned confirms that such Note is being transferred: 
 ☐ To PIONEER ENERGY
SERVICES CORP. or a subsidiary thereof; or 
 ☐ Pursuant to a registration statement that has become or been declared effective under the Securities
Act of 1933, as amended; or 
 ☐ Pursuant to and in compliance with Rule 144A under the Securities Act of 1933, as amended; or 

☐ Pursuant to and in compliance with Rule 144 under the Securities Act of 1933, as amended, or any other available exemption from the registration
requirements of the Securities Act of 1933, as amended. 

  
 B-1-2 













 Dated:
                             
  

                          
                                   

 

                          
                                   

Signature(s) 
  

                          
                                   

Signature Guarantee 
  

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

 
	 	

 NOTICE: The signature on the assignment must correspond with the name as written upon the face of the Note in every particular
without alteration or enlargement or any change whatever. 

  
 B-1-3 













 EXHIBIT B-1 

[FORM OF CERTIFICATE OF TRANSFER] 
 Pioneer
Energy Services Corp. 1250 N.E. Loop 410, Suite 1000 
 San Antonio, Texas 78209 

Attention: Corporate Secretary 
 If to the Trustee: 

Wilmington Trust, National Association 
 50 South Sixth Street,
Suite 1290 
 Minneapolis, MN 55402 
 Attention: Pioneer Energy
Services Notes Administrator 
 Facsimile: (612) 217-5651 

Re: Convertible Senior Unsecured PIK Notes due 2025 

Reference is hereby made to the Indenture, dated as of May 29, 2020 (the “Indenture”), between Pioneer Energy Services Corp., as issuer
(the “Company”), and Wilmington Trust, National Association, as trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Indenture. 

                        , (the
“Transferor”) owns and proposes to transfer the Note[s] or interest in such Note[s] specified in Annex A hereto, in the principal amount of
$                 in such Note[s] or interests (the “Transfer”), to
                                 (the “Transferee”), as further
specified in Annex A hereto. In connection with the Transfer, the Transferor hereby certifies that: 
 [CHECK ALL THAT APPLY] 

1. ☐ Check if Transferee will take delivery of a beneficial interest in the Rule 144A Global Note or a Physical Note pursuant to
Rule 144A. The Transfer is being effected pursuant to and in accordance with Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”), and, accordingly, the Transferor hereby further certifies that the
beneficial interest or Physical Note is being transferred to a Person that the Transferor reasonably believes is purchasing the beneficial interest or Physical Note for its own account, or for one or more accounts with respect to which such Person
exercises sole investment discretion, and such Person and each such account is a “qualified institutional buyer” within the meaning of Rule 144A in a transaction meeting the requirements of Rule 144A, and such Transfer is in compliance
with any applicable blue sky securities laws of any state of the United States. Upon consummation of the proposed Transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Physical Note will be subject to the
restrictions on transfer enumerated in the legend printed on the Rule 144A Global Note and/or the Physical Note and in the Indenture and the Securities Act. 

  
 B-1-4 













 2. ☐ Check and complete if Transferee will take delivery of a beneficial
interest in the AI Global Note or a Restricted Physical Note pursuant to any provision of the Securities Act other than Rule 144A. The Transfer is being effected in compliance with the transfer restrictions applicable to beneficial interests
in the AI Global Note and Restricted Physical Notes and pursuant to and in accordance with the Securities Act and any applicable blue sky securities laws of any state of the United States, and accordingly the Transferor hereby further certifies that
(check one): 
 (a) ☐ such Transfer is being effected pursuant to and in accordance with Rule 144 under the Securities
Act. Upon consummation of the proposed transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Restricted Physical Note will be subject to the restrictions on Transfer enumerated in the legend printed on the AI
Global Note and/or the Restricted Physical Note and in the Indenture and the Securities Act; 
 or 

(b) ☐ such Transfer is being effected to the Company or a Subsidiary thereof; 

or 
 (c) ☐
such Transfer is being effected pursuant to an effective registration statement under the Securities Act and in compliance with the prospectus delivery requirements of the Securities Act; 

or 
 (d) ☐
such Transfer is being effected to an AI and pursuant to an exemption from the registration requirements of the Securities Act other than Rule 144A or Rule 144, and the Transferor hereby further certifies that it has not engaged in any general
solicitation within the meaning of Regulation D under the Securities Act and the Transfer complies with the transfer restrictions applicable to beneficial interests in a Restricted Global Note or Restricted Physical Note and the requirements of the
exemption claimed, which certification is supported by (1) a certificate executed by the Transferee in the form of Exhibit B-2 to the Indenture and (2) if the Company so requires, an Opinion of Counsel provided by the Transferor or the
Transferee (a copy of which the Transferor has attached to this certification), to the effect that such Transfer is in compliance with the Securities Act. Upon consummation of the proposed transfer in accordance with the terms of the Indenture, the
transferred beneficial interest or Restricted Physical Note will be subject to the restrictions on Transfer enumerated in the legend printed on the AI Global Note and/or the Restricted Physical Note and in the Indenture and the Securities Act. 

  
 B-1-5 













 3. ☐ Check if Transferee will take delivery of a beneficial interest in an
Unrestricted Global Note or of an Unrestricted Physical Note. 
 (a) ☐ Check if Transfer is Pursuant to Rule
144. (i) The Transfer is being effected pursuant to and in accordance with Rule 144 under the Securities Act and in compliance with the transfer restrictions contained in the Indenture and any applicable blue sky securities laws of any
state of the United States and (ii) the restrictions on transfer contained in the Indenture and the legend are not required in order to maintain compliance with the Securities Act. Upon consummation of the proposed Transfer in accordance with
the terms of the Indenture, the transferred beneficial interest or Physical Note will no longer be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the Restricted Global Notes, on Restricted Physical
Notes and in the Indenture. 
 (b) ☐ Check if Transfer is Pursuant to Other Exemption. (i) The Transfer is
being effected pursuant to and in compliance with an exemption from the registration requirements of the Securities Act other than Rule 144 and in compliance with the transfer restrictions contained in the Indenture and any applicable blue sky
securities laws of any State of the United States and (ii) the restrictions on transfer contained in the Indenture and the legend are not required in order to maintain compliance with the Securities Act. Upon consummation of the proposed
Transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Physical Note will not be subject to the restrictions on transfer enumerated in the legend printed on the Restricted Global Notes or Restricted Physical
Notes and in the Indenture. 
 This certificate and the statements contained herein are made for your benefit and the benefit of the Company. 

 

			
	 
	[Insert Name of Transferor]


 
			
		
	By:	 	 


 
			
	Name:	 	 


 
			
	Title:	 	 


 Dated:
                     

  
 B-1-6 













 ANNEX A TO CERTIFICATE OF TRANSFER 

 

	1.	 The Transferor owns and proposes to transfer the following: 



[CHECK ONE OF (a) or (b)] 
  

	 	(a)	 ☐ a beneficial interest in the: 



 

	 	(i)	 Rule 144A Global Note
(CUSIP                                     ), or



  

	 	(ii)	 AI Global Note
(CUSIP                                        
          ), or 


  

	 	(b)	 ☐ a Restricted Physical Note. 



 

	2.	 After the Transfer, the Transferee will hold: 



[CHECK ONE] 
  

	 	(a)	 ☐ a beneficial interest in the: 



 

	 	(i)	 Rule 144A Global Note (CUSIP
                                  ), or 



 

	 	(ii)	 AI Global Note
(CUSIP                                        
         ), or 


  

	 	(iii)	 Unrestricted Global Note
(CUSIP                                 ), or 



 

	 	(b)	 ☐ a Restricted Physical Note, or 



 

	 	(c)	 ☐ an Unrestricted Physical Note, in accordance with the terms of the Indenture. 



  
 B-1-7 













 EXHIBIT B-2 

FORM OF ACCREDITED INVESTOR CERTIFICATE 
 [Date]

 Pioneer Energy Services Corp. 1250 N.E. 
 Loop 410, Suite
1000 
 San Antonio, Texas 78209 Attention: 
 Corporate
Secretary 
 Wilmington Trust, National Association 
 50 South
Sixth Street, Suite 1290 
 Minneapolis, MN 55402 
 Attention:
Pioneer Energy Services Notes Administrator 
 Facsimile: (612) 217-5651 

Re: Convertible Senior Unsecured PIK Notes due 2025 

Ladies and Gentlemen: 
 This
certificate is delivered to request a transfer of $                principal amount of the Convertible Senior Unsecured PIK Notes due 2025 (the
“Securities”) of Pioneer Energy Services Corp., a Delaware corporation (the “Company”). 
 Upon transfer,
the Securities would be registered in the name of the new beneficial owner as follows: 
  

							
	      	 	Name:	  	                                
                    	  	
				
		 	Address:	  	 	  	
				
		 	Taxpayer ID Number:	  	 	  	

 The undersigned represents and warrants to you that: 

1. We are an “accredited investor” (as defined in Rule 501(a) under the Securities Act of 1933, as amended (the “Securities
Act”)) purchasing for our own account or for the account of such an “accredited investor” at least $250,000 principal amount of the Securities, and we are acquiring the Securities for investment purposes and not with a view to, or
for offer or sale in connection with, any distribution in violation of the Securities Act. We have such knowledge and experience in financial and business matters as to be capable of evaluating the merits and risk of our investment in the Securities
and we invest in or purchase securities similar to the Securities in the normal course of our business. We and any accounts for which we are acting are each able to bear the economic risk of our or its investment. 

  
 C-1 













 2. We understand that the Securities have not been registered under the Securities Act and,
unless so registered, may not be sold except as permitted in the following sentence. We agree on our own behalf and on behalf of any investor account for which we are purchasing Securities to offer, sell or otherwise transfer such Securities prior
to the date that is one year after the later of the date of original issue and the last date on which the Company or any affiliate of the Company was the owner of such Securities (or any predecessor thereto) (the “Resale Restriction
Termination Date”) only (a) to the Company or a Subsidiary thereof, (b) pursuant to a registration statement which has been declared effective under the Securities Act, (c) in a transaction complying with the requirements of
Rule 144A under the Securities Act, to a person we reasonably believe is a qualified institutional buyer under Rule 144A (a “QIB”) that purchases for its own account or for the account of a QIB and to whom notice is given that the
transfer is being made in reliance on Rule 144A, (d) to an “accredited investor” within the meaning of Rule 501(a) under the Securities Act that is purchasing for its own account or for the account of such an “accredited
investor,” in each case in a minimum principal amount of Securities of $250,000 or (e) pursuant to any other available exemption from the registration requirements of the Securities Act, subject in each of the foregoing cases to any
requirement of law that the disposition of our property or the property of such investor account or accounts be at all times within our or their control and in compliance with any applicable state securities laws. The foregoing restrictions on
resale will not apply subsequent to the Resale Restriction Termination Date. If any resale or other transfer of the Securities is proposed to be made pursuant to clause (d) above prior to the Resale Restriction Termination Date, the transferor
shall deliver a letter from the transferee substantially in the form of this letter to the Company and the Trustee, which shall provide, among other things, that the transferee is an “accredited investor” (within the meaning of Rule 501(a)
under the Securities Act) and that it is acquiring such Securities for investment purposes and not for distribution in violation of the Securities Act. Each purchaser acknowledges that the Company and the Trustee reserve the right prior to any
offer, sale or other transfer prior to the Resale Termination Date of the Securities pursuant to clauses (d) or (e) above to require the delivery of an opinion of counsel, certifications and/or other information satisfactory to the Company
and the Trustee. 
 This certificate and the statements contained herein are made for your benefit and the benefit of the Company. 

 

			
	 
	[Insert Name of Transferee]
		
	By:	 	
	Name:	 	
	Title:	 	
		
	Dated:	 	



  
 2 













 EXHIBIT C 

[FORM OF CONVERSION BLOCKER OPT-OUT NOTICE] 

[Date] 
 Pioneer Energy Services Corp. 1250 N.E. 

Loop 410, Suite 1000 
 San Antonio, Texas 78209 Attention: 

Corporate Secretary 
 Wilmington Trust, National Association 

50 South Sixth Street, Suite 1290 
 Minneapolis, MN 55402 

Attention: Pioneer Energy Services Notes Administrator 

Facsimile: (612) 217-5651 
 Re: Convertible
Senior Unsecured PIK Notes due 2025 – Conversion Blocker Opt-Out Notice 
 Ladies and Gentlemen: 

Reference is hereby made to the Indenture, dated as of May 29, 2020 (the “Indenture”), between Pioneer Energy Services
Corp., as issuer (the “Company”), and Wilmington Trust, National Association, as trustee (the “Trustee”). Capitalized terms used but not defined herein shall have the meanings given to them in the Indenture. 

This notice is delivered pursuant to Section 14.12(a) of the Indenture to notify the Company and the Trustee that the undersigned does
not wish for the Conversion Blocker to apply to it [and/or its Affiliates], and in conformity with the terms of the Indenture, the Conversion Blocker shall herewith not apply to, and be of no force and effect on, the undersigned [and/or its
Affiliates]. 
  

			
	 
	[Insert Name of Beneficial Owner of Notes]
		
	By:	 	
	Name:	 	
	Title:	 	



  
 C-1