EX-4.1



 Exhibit 4.1 

EXECUTION VERSION 
  

 
 RINGCENTRAL, INC. 

AND 
 U.S. BANK NATIONAL
ASSOCIATION, 
 as Trustee 

INDENTURE 
 Dated as of
March 5, 2018 
 0% Convertible Senior Notes due 2023 
  

 







 TABLE OF CONTENTS 

 

							
	 	 	 	  	Page	 
		 	ARTICLE 1	  			
		 	DEFINITIONS	  			
			
	 Section 1.01.
	 	Definitions	  	 	1	 
	 Section 1.02.
	 	References to Interest	  	 	10	 
			
		 	ARTICLE 2	  			
		 	ISSUE, DESCRIPTION, EXECUTION, REGISTRATION AND EXCHANGE OF NOTES	  			
			
	 Section 2.01.
	 	Designation and Amount	  	 	11	 
	 Section 2.02.
	 	Form of Notes	  	 	11	 
	 Section 2.03.
	 	Date and Denomination of Notes; No Regular Interest; Special Interest and Defaulted Amounts	  	 	11	 
	 Section 2.04.
	 	Execution, Authentication and Delivery of Notes	  	 	12	 
	 Section 2.05.
	 	Exchange and Registration of Transfer of Notes; Restrictions on Transfer; Depositary	  	 	13	 
	 Section 2.06.
	 	Mutilated, Destroyed, Lost or Stolen Notes	  	 	17	 
	 Section 2.07.
	 	Temporary Notes	  	 	18	 
	 Section 2.08.
	 	Cancellation of Notes Paid, Converted, Etc	  	 	18	 
	 Section 2.09.
	 	CUSIP Numbers	  	 	18	 
	 Section 2.10.
	 	Additional Notes; Repurchases	  	 	18	 
			
		 	ARTICLE 3	  			
		 	SATISFACTION AND DISCHARGE	  			
			
	 Section 3.01.
	 	Satisfaction and Discharge	  	 	19	 
			
		 	ARTICLE 4	  			
		 	PARTICULAR COVENANTS OF THE COMPANY	  			
			
	 Section 4.01.
	 	Payment of Principal and Special Interest	  	 	19	 
	 Section 4.02.
	 	Maintenance of Office or Agency	  	 	19	 
	 Section 4.03.
	 	Appointments to Fill Vacancies in Trustee’s Office	  	 	20	 
	 Section 4.04.
	 	Provisions as to Paying Agent	  	 	20	 
	 Section 4.05.
	 	Existence	  	 	21	 
	 Section 4.06.
	 	Rule 144A Information Requirement and Annual Reports	  	 	21	 
	 Section 4.07.
	 	Stay, Extension and Usury Laws	  	 	22	 
	 Section 4.08.
	 	Compliance Certificate; Statements as to Defaults	  	 	22	 
	 Section 4.09.
	 	Further Instruments and Acts	  	 	22	 
			
		 	ARTICLE 5	  			
		 	LISTS OF HOLDERS AND REPORTS BY THE COMPANY AND THE TRUSTEE	  			
			
	 Section 5.01.
	 	Lists of Holders	  	 	22	 
	 Section 5.02.
	 	Preservation and Disclosure of Lists	  	 	23	 
			
		 	ARTICLE 6	  			
		 	DEFAULTS AND REMEDIES	  			
			
	 Section 6.01.
	 	Events of Default	  	 	23	 
	 Section 6.02.
	 	Acceleration; Rescission and Annulment	  	 	24	 
	 Section 6.03.
	 	Special Interest	  	 	24	 
	 Section 6.04.
	 	Payments of Notes on Default; Suit Therefor	  	 	25	 
	 Section 6.05.
	 	Application of Monies Collected by Trustee	  	 	26	 
	 Section 6.06.
	 	Proceedings by Holders	  	 	26	 
	 Section 6.07.
	 	Proceedings by Trustee	  	 	27	 
	 Section 6.08.
	 	Remedies Cumulative and Continuing	  	 	27	 
	 Section 6.09.
	 	Direction of Proceedings and Waiver of Defaults by Majority of Holders	  	 	28	 
	 Section 6.10.
	 	Notice of Defaults	  	 	28	 
	 Section 6.11.
	 	Undertaking to Pay Costs	  	 	28	 


  
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		 	ARTICLE 7	  			
		 	CONCERNING THE TRUSTEE	  			
			
	 Section 7.01.
	 	 Duties and Responsibilities of Trustee
	  	 	29	 
	 Section 7.02.
	 	 Reliance on Documents, Opinions, Etc
	  	 	30	 
	 Section 7.03.
	 	 No Responsibility for Recitals, Etc
	  	 	31	 
	 Section 7.04.
	 	 Trustee, Paying Agents, Conversion Agents, Bid Solicitation Agent or Note Registrar May Own
Notes
	  	 	31	 
	 Section 7.05.
	 	 Monies and Shares of Common Stock to Be Held in Trust
	  	 	31	 
	 Section 7.06.
	 	 Compensation and Expenses of Trustee
	  	 	31	 
	 Section 7.07.
	 	 Officer’s Certificate as Evidence
	  	 	32	 
	 Section 7.08.
	 	 Eligibility of Trustee
	  	 	32	 
	 Section 7.09.
	 	 Resignation or Removal of Trustee
	  	 	32	 
	 Section 7.10.
	 	 Acceptance by Successor Trustee
	  	 	33	 
	 Section 7.11.
	 	 Succession by Merger, Etc
	  	 	33	 
	 Section 7.12.
	 	 Trustee’s Application for Instructions from the Company
	  	 	33	 
			
		 	ARTICLE 8	  			
		 	CONCERNING THE HOLDERS	  			
			
	 Section 8.01.
	 	 Action by Holders
	  	 	34	 
	 Section 8.02.
	 	 Proof of Execution by Holders
	  	 	34	 
	 Section 8.03.
	 	 Who Are Deemed Absolute Owners
	  	 	34	 
	 Section 8.04.
	 	 Company-Owned Notes Disregarded
	  	 	34	 
	 Section 8.05.
	 	 Revocation of Consents; Future Holders Bound
	  	 	35	 
			
		 	ARTICLE 9	  			
		 	HOLDERS’ MEETINGS	  			
			
	 Section 9.01.
	 	 Purpose of Meetings
	  	 	35	 
	 Section 9.02.
	 	 Call of Meetings by Trustee
	  	 	35	 
	 Section 9.03.
	 	 Call of Meetings by Company or Holders
	  	 	35	 
	 Section 9.04.
	 	 Qualifications for Voting
	  	 	36	 
	 Section 9.05.
	 	 Regulations
	  	 	36	 
	 Section 9.06.
	 	 Voting
	  	 	36	 
	 Section 9.07.
	 	 No Delay of Rights by Meeting
	  	 	36	 
			
		 	ARTICLE 10	  			
		 	SUPPLEMENTAL INDENTURES	  			
			
	 Section 10.01.
	 	 Supplemental Indentures Without Consent of Holders
	  	 	37	 
	 Section 10.02.
	 	 Supplemental Indentures with Consent of Holders
	  	 	37	 
	 Section 10.03.
	 	 Effect of Supplemental Indentures
	  	 	38	 
	 Section 10.04.
	 	 Notation on Notes
	  	 	38	 
	 Section 10.05.
	 	 Evidence of Compliance of Supplemental Indenture to Be Furnished Trustee
	  	 	38	 
			
		 	ARTICLE 11	  			
		 	CONSOLIDATION, MERGER, SALE, CONVEYANCE AND LEASE	  			
			
	 Section 11.01.
	 	 Company May Consolidate, Etc. on Certain Terms
	  	 	39	 
	 Section 11.02.
	 	 Successor Corporation to Be Substituted
	  	 	39	 
	 Section 11.03.
	 	 Opinion of Counsel to Be Given to Trustee
	  	 	39	 
			
		 	ARTICLE 12	  			
		 	IMMUNITY OF INCORPORATORS, STOCKHOLDERS, OFFICERS AND DIRECTORS	  			
			
	 Section 12.01.
	 	 Indenture and Notes Solely Corporate Obligations
	  	 	39	 
			
		 	ARTICLE 13	  			
		 	INTENTIONALLY OMITTED	  			
			
		 	ARTICLE 14	  			
		 	CONVERSION OF NOTES	  			


  
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	 Section 14.01.
	 	 Conversion Privilege
	  	 	40	 
	 Section 14.02.
	 	 Conversion Procedure; Settlement Upon Conversion
	  	 	41	 
	 Section 14.03.
	 	 Increased Conversion Rate Applicable to Certain Notes Surrendered in Connection with Make-Whole
Fundamental Changes or During a Redemption Period
	  	 	44	 
	 Section 14.04.
	 	 Adjustment of Conversion Rate
	  	 	46	 
	 Section 14.05.
	 	 Adjustments of Prices
	  	 	53	 
	 Section 14.06.
	 	 Shares to Be Fully Paid
	  	 	53	 
	 Section 14.07.
	 	 Effect of Recapitalizations, Reclassifications and Changes of the Common Stock
	  	 	53	 
	 Section 14.08.
	 	 Certain Covenants
	  	 	55	 
	 Section 14.09.
	 	 Responsibility of Trustee
	  	 	55	 
	 Section 14.10.
	 	 Notice to Holders Prior to Certain Actions
	  	 	55	 
	 Section 14.11.
	 	 Stockholder Rights Plans
	  	 	56	 
	 Section 14.12.
	 	 Exchange In Lieu Of Conversion
	  	 	56	 
			
		 	ARTICLE 15	  			
		 	REPURCHASE OF NOTES AT OPTION OF HOLDERS	  			
			
	 Section 15.01.
	 	 Intentionally Omitted
	  	 	57	 
	 Section 15.02.
	 	 Repurchase at Option of Holders Upon a Fundamental Change
	  	 	57	 
	 Section 15.03.
	 	 Withdrawal of Fundamental Change Repurchase Notice
	  	 	58	 
	 Section 15.04.
	 	 Deposit of Fundamental Change Repurchase Price
	  	 	59	 
	 Section 15.05.
	 	 Covenant to Comply with Applicable Laws Upon Repurchase of Notes
	  	 	59	 
			
		 	ARTICLE 16	  			
		 	OPTIONAL REDEMPTION	  			
			
	 Section 16.01.
	 	 Optional Redemption
	  	 	60	 
	 Section 16.02.
	 	 Notice of Optional Redemption; Selection of Notes
	  	 	60	 
	 Section 16.03.
	 	 Payment of Notes Called for Redemption
	  	 	61	 
	 Section 16.04.
	 	 Restrictions on Redemption
	  	 	61	 
			
		 	ARTICLE 17	  			
		 	MISCELLANEOUS PROVISIONS	  			
			
	 Section 17.01.
	 	 Provisions Binding on Company’s Successors
	  	 	61	 
	 Section 17.02.
	 	 Official Acts by Successor Corporation
	  	 	61	 
	 Section 17.03.
	 	 Addresses for Notices, Etc
	  	 	61	 
	 Section 17.04.
	 	 Governing Law; Jurisdiction
	  	 	62	 
	 Section 17.05.
	 	 Evidence of Compliance with Conditions Precedent; Certificates and Opinions of Counsel to
Trustee
	  	 	62	 
	 Section 17.06.
	 	 Legal Holidays
	  	 	62	 
	 Section 17.07.
	 	 No Security Interest Created
	  	 	63	 
	 Section 17.08.
	 	 Benefits of Indenture
	  	 	63	 
	 Section 17.09.
	 	 Table of Contents, Headings, Etc
	  	 	63	 
	 Section 17.10.
	 	 Authenticating Agent
	  	 	63	 
	 Section 17.11.
	 	 Execution in Counterparts
	  	 	64	 
	 Section 17.12.
	 	 Severability
	  	 	64	 
	 Section 17.13.
	 	 Waiver of Jury Trial
	  	 	64	 
	 Section 17.14.
	 	 Force Majeure
	  	 	64	 
	 Section 17.15.
	 	 Calculations
	  	 	64	 
	 Section 17.16.
	 	 U.S.A. PATRIOT Act
	  	 	64	 


  
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 EXHIBIT 
  

					
	 Exhibit A Form of Note
	  	 	A-1	 

  

  
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 INDENTURE, dated as of March 5, 2018, between RINGCENTRAL, INC., a Delaware corporation, as issuer (the
“Company”, as more fully set forth in Section 1.01) and U.S. BANK NATIONAL ASSOCIATION, a national banking association, as trustee (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 0% Convertible Senior Notes due 2023 (the
“Notes”), initially in an aggregate principal amount not to exceed $400,000,000 (as increased by an amount equal to the aggregate principal amount of any additional Notes purchased by the Initial Purchasers pursuant to the exercise
of their option to purchase additional Notes as set forth in the Purchase Agreement), and in order to provide the terms and conditions upon which the Notes are to be authenticated, issued and delivered, the Company has duly authorized the execution
and delivery of this Indenture; and 
 WHEREAS, the 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. 
 “Additional Shares” shall have the meaning
specified in Section 14.03(a). 
 “Affiliate” of any specified Person means any other Person directly or indirectly controlling or
controlled by or under direct or indirect common control with such specified Person. For the purposes of this definition, “control,” when used with respect to any specified Person means the power to direct 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. 
 “Affiliated Holders” means, with respect to any specified natural person, any
company, partnership, trust, foundation or other entity or investment vehicle for which such specified natural person retains sole and dispositive power with respect to the Company’s Class B Common Stock held by such company, partnership,
trust, foundation or other entity or investment vehicle, and the trustees, legal representatives, beneficiaries and/or beneficial owners of such company, partnership, trust, foundation or other entity or investment vehicle. 







 “Bid Solicitation Agent” means the Company or the Person appointed by the Company to solicit
bids for the Trading Price of the Notes in accordance with Section 14.01(b)(i). The Company shall initially act as the Bid Solicitation Agent. 

“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, with respect to any Note, any day other than a Saturday, a Sunday or a day on which the Federal Reserve Bank of New York is authorized or required by law or executive order to close or be closed. 

“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. 
 “Cash Settlement” shall have the meaning specified in
Section 14.02(a). 
 “Class B Common Stock” means the Class B Common Stock of the Company, par value $0.0001
per share, at the date of this Indenture. 
 “Clause A Distribution” shall have the meaning specified in Section 14.04(c). 

“Clause B Distribution” shall have the meaning specified in Section 14.04(c). 

“Clause C Distribution” shall have the meaning specified in Section 14.04(c). 

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

“Combination Settlement” shall have the meaning specified in Section 14.02(a). 

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

“Common Equity” of any Person means 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. 

“Common Stock” means the Class A common stock of the Company, par value $0.0001 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 the
Company’s Chief Executive Officer, Chief Financial Officer, any President or Vice President (whether or not designated by a number or numbers or word or words added before or after the title “President” or “Vice President”)
or the Company’s Treasurer, and delivered to the Trustee. 
 “Conversion Agent” shall have the meaning specified in Section 4.02.

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

“Conversion Date” shall have the meaning specified in Section 14.02(c). 

  
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 “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 designated office of the Trustee at which at any time this Indenture shall be administered, which office
at the date hereof is located at 633 West Fifth Street, 24th Floor, Los Angeles, CA 90071, Attention: P. Oswald (RingCentral, Inc.) or such other address as the Trustee may designate from time to time by notice to the Holders and the Company, or the
designated 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 40 consecutive Trading Days during the relevant Observation Period, 2.5% of the
product of (a) the Conversion Rate on such Trading Day and (b) the Daily VWAP on such Trading Day. 
 “Daily Measurement Value”
means the Specified Dollar Amount (if any), divided by 40. 
 “Daily Settlement Amount,” for each of the 40 consecutive Trading Days
during the relevant Observation Period, shall consist of: 
 (a) cash in an amount equal to the lesser of (i) the Daily Measurement Value and
(ii) the Daily Conversion Value on such Trading Day; and 
 (b) if the Daily Conversion Value on such Trading Day exceeds the Daily Measurement Value,
a number of shares of Common Stock equal to (i) the difference between the Daily Conversion Value and the Daily Measurement Value, divided by (ii) the Daily VWAP for such Trading Day. 

“Daily VWAP” means the per share volume-weighted average price as displayed under the heading “Bloomberg VWAP” on Bloomberg page
“RNG <equity> AQR” (or its equivalent successor if such page is not available) in respect of the period from the scheduled open of trading until the scheduled close of trading of the primary trading session on such Trading Day (or if
such volume-weighted average price is unavailable, the market value of one share of the Common Stock on such Trading Day reasonably 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. 

“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 Redemption Price, the Fundamental Change Repurchase
Price, principal and Special Interest) that are payable but are not punctually paid or duly provided for. 
 “delivered” with respect to
any notice to be delivered, given or mailed to a Holder pursuant to this Indenture, shall mean notice (x) given to the Depositary (or its designee) pursuant to the standing instructions from the Depositary or its designee, including by
electronic mail in accordance with accepted practices or procedures at the Depositary (in the case of a Global Note) or (y) mailed to such Holder by first class mail, postage prepaid, at its address as it appears on the Note Register, in each
case in accordance with Section 17.03. Notice so “delivered” shall be deemed to include any notice to be “mailed” or “given,” as applicable, under this Indenture. 

  
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 “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. 
 “Designated Institution” shall have the meaning specified in Section 14.12(a). 

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

“Effective Date” shall have the meaning specified in Section 14.03(c), except that, as used in Section 14.04 and
Section 14.05, “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. 
 “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. 
 “Exchange” means The New York Stock Exchange. 

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

“Exchange Election” shall have the meaning specified in Section 14.12(a). 

“Form of Assignment and Transfer” shall mean 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” shall mean the “Form of Fundamental Change Repurchase
Notice” attached as Attachment 2 to the Form of Note attached hereto as Exhibit A. 
 “Form of Note” shall mean the “Form of
Note” attached hereto as Exhibit A. 
 “Form of Notice of Conversion” shall mean the “Form of Notice of Conversion” attached
as Attachment 1 to the Form of Note attached hereto as Exhibit A. 
 “Founders” means (a) Vladimir Shmunis, and Vladimir Vendrow, and
(b) each of the respective Affiliated Holders of the persons referred to in clause (a) of this definition. 
 “Fundamental
Change” shall be deemed to have occurred at the time after the Notes are originally issued if any of the following occurs prior to the Maturity Date: 

(a) a “person” or “group” within the meaning of Section 13(d) of the Exchange Act, other than the Company, its Wholly Owned
Subsidiaries and the employee benefit plans of the Company and its Wholly Owned Subsidiaries, files a Schedule TO (or any successor schedule, form or report) or any schedule, form or report under the Exchange Act disclosing that such person or group
has become the direct or indirect “beneficial owner,” as defined in Rule 13d-3 under the Exchange Act, of the Company’s Common Stock (or such other Common Equity into which the Common Stock has
been reclassified) representing more than 50% of the voting power of the Company’s Common Stock (or such other Common Equity into which the Common Stock has been reclassified); provided that the voting power of the Common Stock (or such Common
Equity into which the Common Stock has been reclassified) directly or indirectly “beneficially owned,” as defined in Rule 13d-3 under the Exchange Act, by our Founders or “group” (that
includes the Founders) will exclude (A) any shares of Common Stock (or such Common Equity into which the Common Stock has been reclassified) directly or indirectly beneficially owned by the Founders on the date hereof


  
 4 








 
and (B) any shares of Common Stock (or such Common Equity into which the Common Stock has been reclassified) directly or indirectly beneficially owned by the Founders as a result of the
acquisition by either of the Founders of equity grants (or the exercise or conversion thereof) outstanding on the date hereof or subsequently granted, in each case, made under the Company’s equity incentive plans; 

(b) the consummation of (A) any recapitalization, reclassification or change of the Common Stock (other than changes resulting from a subdivision or
combination or the mandatory reclassification of the Common Stock and the Class B Common Stock into a single class pursuant to the terms of the Company’s amended and restated certificate of incorporation) as a result of which the Common
Stock would be converted into, or exchanged for, stock, other securities, other property or assets (other than a transaction or event described in clause (B) below; (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); 

(c) the stockholders of the Company approve any plan or proposal for the liquidation or dissolution of the Company; or 

(d) the Common Stock ceases to be listed or quoted on any of the Exchange, The NASDAQ Global Select Market or The NASDAQ Global Market (or any of their
respective successors); 
 provided, however, that a transaction or transactions described in clauses (a) or (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 or pursuant to statutory appraisal rights, in connection with
such transaction or transactions consists of shares of common stock that are listed or quoted on any of the Exchange, The NASDAQ Global Select Market or The NASDAQ Global Market (or any of their respective successors) 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 or pursuant to
statutory appraisal rights (subject to the provisions of Section 14.07). If any transaction in which the Common Stock is replaced by the equity securities of another entity occurs, following completion of any related Make-Whole Fundamental
Change Period (or, in the case of a transaction that would have been a Fundamental Change or a Make-Whole Fundamental Change but for the proviso immediately following clause (d) of the definition thereof, following the effective date of such
transaction) references to the Company in this definition shall instead be references to such other entity. 
 For purposes of this definition of
“Fundamental Change” above, any transaction that constitutes a Fundamental Change pursuant to both clause (a) and clause (b) of such definition (without giving effect to the proviso in clause (b)) shall be deemed a Fundamental
Change solely under clause (b) of such definition (subject to the proviso in clause (b)). 
 “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). 

  
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 “Holder,” as applied to any Note, or other similar terms (but excluding the term
“beneficial holder”), shall mean 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.

 “Initial Purchasers” means Morgan Stanley & Co. LLC, Goldman Sachs & Co. LLC, Merrill Lynch, Pierce, Fenner &
Smith Incorporated, Deutsche Bank Securities Inc., Jefferies LLC, Raymond James & Associates, Inc. Craig-Hallum Capital Group LLC and Northland Securities, Inc. 

“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. 
 “Make-Whole Fundamental Change” means any transaction or
event that constitutes a Fundamental Change (as defined above and determined after giving effect to any exceptions to or exclusions from such definition, but without regard to the proviso in clause (b) of the definition thereof). 

“Make-Whole Fundamental Change Period” shall have the meaning specified in Section 14.03(a). 

“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 traded on any U.S. exchange relating to the Common Stock. 

“Maturity Date” means March 15, 2023. 

“Measurement Period” shall have the meaning specified in Section 14.01(b)(i). 

“Merger Event” shall have the meaning specified in Section 14.07(a). 

“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). 

“Observation Period” with respect to any Note surrendered for conversion means: (i) subject to clause (ii), if the relevant Conversion
Date occurs prior to December 15, 2022, the 40 consecutive Trading Day period beginning on, and including, the second Trading Day immediately succeeding such Conversion Date; (ii) if the relevant Conversion Date occurs on or after the date
of the Company’s issuance of a Redemption Notice with respect to the Notes pursuant to Section 16.02 and prior to the relevant Redemption Date (as such Redemption Date may be extended as the result of a Default in the payment of the
Redemption Price on such Redemption Date), the 40 

  
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consecutive Trading Days beginning on, and including, the 41st Scheduled Trading Day immediately preceding such Redemption Date; and (iii) subject to clause (ii), if the relevant Conversion
Date occurs on or after December 15, 2022, the 40 consecutive Trading Days beginning on, and including, the 41st Scheduled Trading Day immediately preceding the Maturity Date. 

“Offering Memorandum” means the preliminary offering memorandum dated February 27, 2018, as supplemented by the related pricing term
sheet dated February 28, 2018, relating to the offering and sale of the Notes. 
 “Officer” means, with respect to the Company, the
Chief Executive Officer, the Chief Financial Officer, the Chief Accounting Officer, the Treasurer, the Secretary, or any President or Vice President (whether or not designated by a number or numbers or word or words added before or after the title
“President” or “Vice President”). 
 “Officer’s Certificate,” when used with respect to the Company, means a
certificate that is delivered to the Trustee and that is signed by an Officer 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. The
Officer giving an Officer’s 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 reasonably acceptable to the Trustee, that is delivered to the Trustee, which opinion may contain customary exceptions and qualifications as to the matters set forth therein. 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 Redemption” shall have the
meaning specified in Section 16.01. 
 “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; 

(e) Notes redeemed pursuant to Article 16; and 
 (f) 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 denominations of $1,000 principal amount and multiples
thereof. 

  
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 “Physical Settlement” shall have the meaning specified in Section 14.02(a). 

“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. 
 “Purchase Agreement” means that certain Purchase Agreement, dated as of
February 28, 2018, among the Company and certain of the Initial Purchasers, on their own behalf and on behalf of the other Initial Purchasers. 

“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). 

“Redemption Date” shall have the meaning specified in Section 16.02(a). 

“Redemption Notice” shall have the meaning specified in Section 16.02(a). 

“Redemption Notice Date” means the date on which a Redemption Notice is delivered pursuant to Section 16.02. 

“Redemption Period” means the period from, and including, the relevant Redemption Notice Date until the close of business on the Scheduled
Trading Day immediately preceding the related Redemption Date. 
 “Redemption Price” means, for any Notes to be redeemed pursuant to
Section 16.01, 100% of the principal amount of such Notes, plus accrued and unpaid Special Interest, if any, to, but excluding, the Redemption Date (unless the Redemption Date falls after a Special Interest Record Date but on or prior to
the immediately succeeding Special Interest Payment Date, in which case Special Interest accrued, if any, to the Special Interest Payment Date will be paid to Holders of record of such Notes on such Special Interest Record Date, and the Redemption
Price will be equal to 100% of the principal amount of such Notes). 
 “Reference Property” shall have the meaning specified in
Section 14.07(a). 
 “Resale Restriction Termination Date” shall have the meaning specified in Section 2.05(c). 

“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 relating to this Indenture is referred because of such person’s knowledge of and familiarity with the particular subject and who, in each case, shall have direct responsibility
for the administration of this Indenture. 
 “Restricted Securities” shall have the meaning specified in Section 2.05(c). 

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

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

“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. 

  
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 “Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations
promulgated thereunder. 
 “Settlement Amount” has the meaning specified in Section 14.02(a)(iv). 

“Settlement Method” means, with respect to any conversion of Notes, Physical Settlement, Cash Settlement or Combination Settlement, as
elected (or deemed to have been elected) by the Company. 
 “Settlement Notice” has the meaning specified in Section 14.02(a)(iii).

 “Significant Subsidiary” for purposes of Section 6.01(g)-(i), means a Subsidiary of the Company that meets the definition of
“significant subsidiary” in Article 1, Rule 1-02 of Regulation S-X promulgated by the Commission; provided that, in the case of a Subsidiary of the Company
that meets the criteria of clause (3) of the definition thereof but not clause (1) or (2) thereof, such Subsidiary shall not be deemed to be a Significant Subsidiary unless the Subsidiary’s income from continuing operations
before income taxes, extraordinary items and cumulative effect of a change in accounting principle exclusive of amounts attributable to any non-controlling interests for the last completed fiscal year prior to
the date of such determination exceeds $25,000,000. 
 “Special Interest” means all amounts, if any, payable pursuant to
Section 4.06(d), Section 4.06(e) and Section 6.03, as applicable. 
 “Special Interest Payment Date” means, if and to the
extent that Special Interest is payable on the Notes, each March 15 and September 15 of each year, beginning on September 15, 2018. 

“Special Interest Record Date,” with respect to any Special Interest Payment Date, shall mean the March 1 or September 1 (whether
or not such day is a Business Day) immediately preceding the applicable March 15 or September 15 Special Interest Payment Date, respectively. 

“Specified Dollar Amount” means the maximum cash amount per $1,000 principal amount of Notes to be received upon conversion as specified in
the Settlement Notice related to any converted Notes (or deemed specified pursuant to Section 14.02(a)). 

“Spin-Off” shall have the meaning specified in Section 14.04(c). 

“Stock Price” shall have the meaning specified in Section 14.03(c). 

“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, except for purposes determining amounts due upon conversion as set forth below, 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 Exchange or, if the Common Stock (or such other security) is not then listed on the Exchange, on the principal other 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 

  
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and (y) trading in the Common Stock generally occurs on the Exchange or, if the Common Stock is not then listed on the Exchange, on the principal other U.S. national or regional securities
exchange on which the Common Stock is then listed or, if the Common Stock is not then listed on a U.S. national or regional securities exchange, on the principal other market on which the Common Stock is then 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. 
 “Trading Price”
of the Notes on any date of determination means the average of the secondary market bid quotations obtained by the Bid Solicitation Agent for $5,000,000 principal amount of Notes at approximately 3:30 p.m., New York City time, on such determination
date from three independent nationally recognized securities dealers the Company selects for this purpose; provided that if three such bids cannot reasonably be obtained by the Bid Solicitation Agent but two such bids are obtained, then the
average of the two bids shall be used, and if only one such bid can reasonably be obtained by the Bid Solicitation Agent, that one bid shall be used. If the Bid Solicitation Agent cannot reasonably obtain at least one bid for $5,000,000 principal
amount of Notes from a nationally recognized securities dealer on any determination date, then the Trading Price per $1,000 principal amount of Notes on such determination date shall be deemed to be less than 98% of the product of the Last Reported
Sale Price of the Common Stock and the Conversion Rate. 
 “transfer” shall have the meaning specified in Section 2.05(c). 

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

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

“unit of Reference Property” shall have the meaning specified in Section 14.07(a). 

“Valuation Period” shall have the meaning specified in Section 14.04(c). 

“Wholly Owned Subsidiary” means, with respect to any Person, any direct or indirect 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%”. 

Section 1.02. References to Interest. All references to interest on, or in respect of, any Note in this Indenture
shall be deemed to refer solely to Special Interest if, in such context, Special Interest is, was or would be payable pursuant to any of Section 4.06(d), Section 4.06(e) and Section 6.03, or to any such interest payable on any
Defaulted Amounts as set forth in Section 2.03(c). 
 ARTICLE 2 

ISSUE, DESCRIPTION, EXECUTION, REGISTRATION AND EXCHANGE OF NOTES 

Section 2.01. Designation and Amount. The Notes shall be designated as the “0% Convertible Senior Notes due
2023.” The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is initially limited to $400,000,000 (as increased by an amount equal to the aggregate principal amount of any additional Notes
purchased by the Initial Purchasers pursuant to the exercise of their option to purchase additional Notes as set forth in the Purchase Agreement), subject to Section 2.10 and except for Notes authenticated and delivered upon registration or
transfer of, or in exchange for, or in lieu of other Notes to the extent permitted hereunder. 

  
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 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. 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. In the case of any conflict between this Indenture and a Note, the provisions of
this Indenture shall control and govern to the extent of such conflict. 
 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, or to conform to usage or to indicate
any special limitations or restrictions to which any particular Notes are subject. 
 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 redemptions, 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 in accordance with this Indenture. Payment of
principal (including the Redemption Price and the Fundamental Change Repurchase Price, if applicable) of, and accrued and unpaid Special Interest 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; No
Regular Interest; Special Interest and Defaulted Amounts. (a) The Notes shall be issuable in registered form without coupons in denominations of $1,000 principal amount and multiples thereof. Each Note shall be dated the date of its
authentication and shall not bear regular interest, and the principal amount of the Notes will not accrete. Special Interest on the Notes, if any, 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) The Person in whose name any Note (or its Predecessor Note) is registered on the Note Register at the close of business on any Special Interest Record
Date with respect to any Special Interest Payment Date shall be entitled to receive any Special Interest payable on such Special Interest Payment Date. The principal amount of any Note (x) in the case of any Physical Note, shall be payable at
the office or agency of the Company designated by the Company for such purposes in the United States of America, which shall initially be the Corporate Trust Office and (y) in the case of any Global Note, shall be payable by wire transfer of
immediately available funds to the account of the Depositary or its nominee. The Company shall pay (or cause the Paying Agent to pay) Special Interest, if any, (i) on any Physical Notes (A) to Holders holding Physical Notes having an
aggregate principal amount of $5,000,000 or less, by check mailed to the Holders of these Notes at their address as it appears in the Note Register and (B) to Holders holding Physical Notes having an aggregate principal amount of more than
$5,000,000, either by check mailed to each such Holder or, upon application by such a Holder to the Note Registrar (containing the requisite information for the Trustee or Paying Agent to make such wire transfer) not later than the relevant Special
Interest Record Date, by wire transfer in immediately available funds to that Holder’s account within the United States of America, which application shall remain in effect until the Holder notifies, in writing, the Note Registrar to the
contrary or (ii) on any Global Note by wire transfer of immediately available funds to the account of the Depositary or its nominee. 

  
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 (c) Any Defaulted Amounts shall forthwith cease to be payable to the Holder on the relevant payment date and
shall not accrue interest unless Special Interest was payable with respect to such Defaulted Amounts on the relevant payment date, in which case such Defaulted Amounts shall accrue interest per annum at the then-applicable Special Interest rate
from, and including, such relevant payment date, and such Defaulted Amounts together with such any 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, unless the Trustee shall consent to an earlier date), and at the same time the Company shall deposit
with the Trustee an amount of money equal to the aggregate amount to be paid in respect of such Defaulted 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 and not less than 10 days prior to the date of the proposed payment, and not less than 10 days after the receipt by the Trustee of the notice of the proposed payment. The Company shall promptly notify the Trustee in writing 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 at its address as it appears
in the Note Register, or by electronic means to the Depositary in the case of Global Notes, 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). The Trustee shall have no responsibility whatsoever for the calculation of the Defaulted Amounts. 

(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 written notice given by the Company to the Trustee of the
proposed payment pursuant to this clause, such manner of payment shall be deemed practicable by the Trustee. 
 Section 2.04. 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 any 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; provided that the Trustee shall be entitled to receive an Officer’s Certificate and an Opinion of Counsel of the Company with respect to the issuance, authentication and delivery of
such Notes. 
 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 signatory 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. 

  
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 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, in the name of the designated transferee or transferees, one or more new Notes of any authorized denominations and of a like aggregate principal amount and bearing such restrictive legends as may be required by this
Indenture. 
 Notes may be exchanged for other Notes of any authorized denominations and of a like aggregate principal amount, upon surrender of the Notes
to be exchanged at any such office or agency maintained by the Company pursuant to Section 4.02. Whenever any Notes are so surrendered for exchange, the Company shall execute, and the Trustee shall authenticate and deliver, 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, (ii) any Notes, or a portion of any Note, surrendered for
repurchase (and not withdrawn) in accordance with Article 15 or (iii) any Notes selected for redemption in accordance with Article 16, except the unredeemed portion of any Note being redeemed in part. 

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 fourth paragraph from
the end of Section 2.05(c) 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) Every Note that bears or is required under this Section 2.05(c) to bear the legend
set forth in this Section 2.05(c) (together with any Common Stock issued upon conversion of the Notes that is required to bear the legend set forth in Section 2.05(d), collectively, the “Restricted Securities”)
shall be subject to the restrictions on transfer set forth 

  
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in this Section 2.05(c) (including those contained in 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. 
 Until the date (the
“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 CLASS A 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, AND 

(2) AGREES FOR THE BENEFIT OF RINGCENTRAL, INC. (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 

(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 TRUSTEE RESERVE
THE RIGHT TO REQUIRE THE DELIVERY OF SUCH LEGAL OPINIONS, CERTIFICATIONS OR OTHER EVIDENCE AS MAY REASONABLY BE REQUIRED IN ORDER FOR THE COMPANY 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. 

  
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 No transfer of any Note prior to the Resale Restriction Termination Date will be registered by the Note Registrar
unless the applicable box on the Form of Assignment and Transfer has been checked. 
 Any Note (or security issued in exchange or substitution therefor) as
to which such restrictions on transfer shall have expired in accordance with their terms may, upon surrender of such Note for exchange to the Note Registrar in accordance with the provisions of this Section 2.05, be exchanged for a new Note or
Notes, of like tenor and aggregate principal amount, which shall not bear the restrictive legend required by this Section 2.05(c) 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 as to which such restrictions on transfer shall have expired in accordance with their terms for exchange, 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 this Section 2.05(c) and shall not be assigned a restricted CUSIP number. The Company shall promptly notify the Trustee upon the occurrence of the 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. Any exchange pursuant to the
foregoing paragraph shall be in accordance with the applicable procedures of the Depositary. 
 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 transfers of portions of a Global Note in certificated form made upon request of a
member of, or a participant in, the Depositary (for itself or on behalf of a beneficial owner) by written notice given to the Trustee by or on behalf of the Depositary in accordance with customary procedures of the Depositary and in compliance with
this Section 2.05(c). 
 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 Officer’s 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 a principal amount equal to
the 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, 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, redeemed, 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 for Physical Notes, converted, canceled, redeemed, 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 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. 

  
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 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 Resale Restriction Termination Date, any stock certificate representing Common Stock issued upon conversion of such Note shall bear a legend in
substantially the following form (unless the Note or 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 Notes that 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 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 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, AND 
 (2) AGREES FOR THE BENEFIT OF RINGCENTRAL, INC.
(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 CLASS A COMMON STOCK RESERVE THE RIGHT TO REQUIRE THE DELIVERY OF SUCH LEGAL OPINIONS, CERTIFICATIONS OR OTHER EVIDENCE AS MAY REASONABLY BE REQUIRED IN ORDER FOR THE COMPANY 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. 

  
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 Any such Common Stock as to which such restrictions on transfer shall have expired in accordance with their terms
may, upon surrender of the certificates representing such shares of Common Stock for exchange in accordance with the procedures of the transfer agent for the Common Stock, be exchanged for a new certificate or certificates for a like aggregate
number of shares of Common Stock, which shall not bear the restrictive legend required by this Section 2.05(d). 
 (e) Any Note or Common Stock issued
upon the conversion or exchange of a Note that is repurchased or owned by any Affiliate of the Company (or any Person who was an Affiliate of the Company at any time during the three months preceding) may not be resold by such Affiliate (or such
Person, as the case may be) unless registered under the Securities Act or resold pursuant to an exemption from the registration requirements of the Securities Act in a transaction that results in such Note or Common Stock, as the case may be, no
longer being a “restricted security” (as defined under Rule 144). The Company shall cause any Note that is repurchased or owned by it to be surrendered to the Trustee for cancellation in accordance with Section 2.08. 

(f) The Trustee shall have no 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 expressly 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. 
 (g) Neither the Trustee nor any agent shall have any responsibility or liability for any actions taken or not taken by the
Depositary. 
 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 its written request 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 of the destruction, loss or theft of such Note and of the ownership thereof. 

  
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 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 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, redemption 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, redemption 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, redemption, repurchase, registration of transfer or exchange or conversion, if surrendered to any Person other than the Trustee (including any of the Company’s agents or Subsidiaries), to be surrendered to the Trustee for
cancellation. All Notes delivered to the Trustee shall be canceled promptly by it, and no Notes shall be authenticated in exchange therefor except as expressly permitted by any of the provisions of this Indenture. 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 upon the Company’s written request. 

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.

 Section 2.10. Additional Notes; Repurchases. The Company may, without the consent of the Holders and
notwithstanding Section 2.01, reopen this Indenture and issue additional Notes hereunder with the same terms as the Notes initially issued hereunder (other than differences in the issue date, the issue price and, if applicable, restrictions on
transfer in respect of such additional Notes (including pursuant to Section 2.05 hereunder)) in an unlimited aggregate principal amount; provided that if any such additional Notes are not fungible with the Notes initially issued
hereunder for U.S. federal income tax purposes, such additional Notes shall have one or more separate CUSIP numbers. Prior to the issuance of any such additional Notes, the Company shall deliver to the Trustee a Company Order, an Officer’s
Certificate and an Opinion of Counsel, such Officer’s Certificate and Opinion of Counsel to cover such matters required by Section 17.05. In addition, 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. 

  
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 ARTICLE 3 

SATISFACTION AND DISCHARGE 

Section 3.01. Satisfaction and Discharge. This Indenture shall upon request of the Company contained in an
Officer’s Certificate cease to be of further effect, and the Trustee, at the expense of the Company, shall execute such instruments reasonably requested by the Company acknowledging satisfaction and discharge of this Indenture, when
(a) (i) all Notes theretofore authenticated and delivered (other than (x) Notes which have been destroyed, lost or stolen and which have been replaced, paid or converted as provided in Section 2.06 and (y) Notes for whose payment
money has theretofore been deposited in trust or segregated and held in trust by the Company and thereafter repaid to the Company or discharged from such trust, as provided in Section 4.04(d)) 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 Redemption Date, any Fundamental Change Repurchase Date,
upon conversion or otherwise, cash or cash, shares of Common Stock or a combination thereof, as applicable, solely to satisfy the Company’s Conversion Obligation, sufficient to pay all of the outstanding Notes and all other sums due and payable
under this Indenture by the Company; and (b) the Company has delivered to the Trustee an Officer’s 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 Special Interest. The Company covenants and agrees that it
will cause to be paid the principal (including the Redemption Price and the Fundamental Change Repurchase Price, if applicable) of, and any accrued and unpaid Special Interest on, each of the Notes at the places, at the respective times and in the
manner provided herein and in the Notes. 
 Notwithstanding anything to the contrary contained in this Indenture, the Company may, to the extent it is
required to do so by law, deduct or withhold income or other similar taxes imposed by the United States of America from principal, premium or Special Interest or Defaulted Payments hereunder 

Section 4.02. Maintenance of Office or Agency. The Company will maintain in the 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 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 in the United States of
America as a place where Notes may be presented for payment or for registration of transfer. 
 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 United States of America so designated by the Trustee as a place 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 United States of America where Notes may be surrendered for registration of transfer or exchange or for presentation for payment or repurchase or


  
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for conversion and where notices and demands to or upon the Company in respect of the Notes and this Indenture may be served; provided that the Corporate Trust Office shall not be a place for
service of legal process on the Company. 
 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 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 Redemption Price and the Fundamental Change Repurchase
Price, if applicable) of, and any accrued and unpaid Special Interest on, the Notes in trust for the benefit of the Holders of the Notes; 
 (ii) that it
will give the Trustee prompt written notice of any failure by the Company to make any payment of the principal (including the Redemption Price and the Fundamental Change Repurchase Price, if applicable) of, and accrued and unpaid Special Interest
on, the Notes when the same shall be due and payable; and 
 (iii) that at any time during the continuance of an Event of Default, upon request of the
Trustee, it will forthwith pay to the Trustee all sums so held in trust. 
 The Company shall, on or before each due date of the principal (including the
Redemption Price and the Fundamental Change Repurchase Price, if applicable) of, or any accrued and unpaid Special Interest on, the Notes, deposit with the Paying Agent a sum sufficient to pay such principal (including the Redemption Price and the
Fundamental Change Repurchase Price, if applicable) or any such accrued and unpaid Special Interest, and (unless such Paying Agent is the Trustee) the Company will promptly notify the Trustee in writing of any failure to take such action;
provided that if such deposit is made on the due date, such deposit must be received by the Paying Agent by 11:00 a.m., New York City time, on such date. 

(b) If the Company shall act as its own Paying Agent, it will, on or before each due date of the principal (including the Redemption Price and the Fundamental
Change Repurchase Price, if applicable) of, and any accrued and unpaid Special Interest 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
Redemption Price and the Fundamental Change Repurchase Price, if applicable) and any accrued and unpaid Special Interest, if any, 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 Redemption Price and the Fundamental Change Repurchase Price, if applicable) of, or any accrued and unpaid Special Interest 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. Upon the occurrence of any event specified in Section 6.01(h) or Section 6.01(i), the Trustee shall automatically become the Paying Agent. 

(d) Subject to applicable escheatment laws, any money or property deposited with the Trustee or any Paying Agent, or then held by the Company, in trust for
the payment of the principal (including the Redemption Price and the Fundamental Change Repurchase Price, if applicable) of, any accrued and unpaid Special Interest on and the consideration due upon conversion of any Note and remaining unclaimed for
two years after such principal (including the Redemption Price and the Fundamental Change Repurchase Price, if applicable), Special Interest or consideration due upon conversion has become due and payable shall be paid to the Company on request of
the Company contained in an Officer’s Certificate, or (if then held by the Company) shall be discharged from such trust 

  
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and the Trustee shall have no further liability with respect to such funds; 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. 

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. 
 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 will, upon written request, provide to 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. 

(b) The Company shall file with the Trustee, within 15 days after the same are required to be filed with the Commission (giving effect to any grace period
provided by Rule 12b-25 (or any successor rule) under the Exchange Act), 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 (excluding any such information, documents or reports, or portions thereof, subject to confidential treatment and any correspondence with the Commission). Any such document or report that the Company files with the Commission via
the Commission’s EDGAR system (or any successor thereto) 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 (or any successor thereto), it being
understood that the Trustee shall not be responsible for determining whether such filings have been made. 
 (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 Officer’s Certificate). 

(d) If, at any time during the six-month period beginning on, and including, the date that is six months after the
last date of original issuance of the Notes, the Company fails to timely file any document or report that it is required to file with the Commission pursuant to Section 13 or 15(d) of the Exchange Act, as applicable (after giving effect
to all applicable grace periods thereunder and other than reports on Form 8-K), or the Notes are not otherwise freely tradable pursuant to Rule 144 by Holders other than the Company’s Affiliates or
Holders that were the Company’s Affiliates at any time during the three months preceding (without restrictions pursuant to U.S. securities laws or the terms of this Indenture or the Notes), the Company shall pay Special Interest on the Notes.
Such Special Interest shall accrue on the Notes at the rate of 0.50% per annum of the principal amount of the Notes outstanding for each day during such period for which the Company’s failure to file has occurred and is continuing or the Notes
are not otherwise freely tradable pursuant to Rule 144 by Holders other than the Company’s Affiliates (or Holders that have been the Company’s Affiliates at any time during the three months preceding) without restrictions pursuant to U.S.
securities laws or the terms of this Indenture or the Notes. As used in this Section 4.06(d), documents or reports that the Company is required to “file” with the Commission pursuant to Section 13 or 15(d) of the Exchange Act
does not include documents or reports that the Company furnishes to the Commission pursuant to Section 13 or 15(d) of the Exchange Act. 
 (e)
If, and for so long as, the restrictive legend on the Notes specified in Section 2.05(c) has not been removed (or deemed removed pursuant to this Indenture), the Notes are assigned a restricted CUSIP number or the Notes are not otherwise freely
tradable pursuant to Rule 144 by Holders other than the Company’s Affiliates or Holders that were the Company’s Affiliates at any time during the three months preceding (without restrictions pursuant to U.S. securities laws or the terms of
this Indenture or the Notes) as of the 380th day after the last date of original issuance of the Notes, the Company shall pay Special Interest on the Notes at a rate equal to 0.50% per annum of the principal amount of Notes outstanding until the
restrictive legend on the Notes has been removed in accordance with Section 2.05(c), the Notes are assigned an unrestricted CUSIP number and the Notes are freely tradable pursuant to Rule 144 by Holders other than the Company’s Affiliates (or
Holders that were the Company’s Affiliates at any time during the three months preceding) (without restrictions pursuant to U.S. securities laws or the terms of this Indenture or the Notes). 

  
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 (f) Special Interest will be payable in arrears on each Special Interest Payment Date as set forth in
Section 2.03(b). 
 (g) The Special Interest that is payable in accordance with Section 4.06(d) or Section 4.06(e) shall be in addition to, and not in
lieu of, any Special Interest that may be payable as a result of the Company’s election pursuant to Section 6.03. Notwithstanding the foregoing, in no event shall Special Interest accrue under the terms of this Indenture (aggregating any
Special Interest payable pursuant to Section 4.06(d) or Section 4.06(e) with any Special Interest payable pursuant to Section 6.03) at a rate per year in excess of 0.50%, regardless of the number of events or circumstances giving rise to the
requirement to pay such Special Interest. 
 (h) If Special Interest is payable by the Company pursuant to Section 4.06(d) or Section 4.06(e), the
Company shall deliver to the Trustee an Officer’s Certificate to that effect stating (i) the amount of such Special Interest that is payable and (ii) the date on which such Special Interest is payable. Unless and until a Responsible Officer of
the Trustee receives at the Corporate Trust Office such a certificate, the Trustee may assume without inquiry that no such Special Interest is payable. If the Company has paid Special Interest directly to the Persons entitled to it, the Company
shall deliver to the Trustee an Officer’s Certificate setting forth the particulars of such payment. 
 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 any 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 120 days after the end of each fiscal year of the Company (beginning with the fiscal year ending on December 31, 2018) an Officer’s
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. 
 In addition, the Company shall deliver to the Trustee, as soon as possible, and in any event within 30 days after the occurrence of any Event of
Default or Default, an Officer’s 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. 
 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 March 1 and September 1 in each year beginning with September 1, 2018, 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 Special Interest on any Note when due and payable, and the default continues for a period of 30 days; 

(b) default in the payment of principal of any Note when due and payable on the Maturity Date, upon Optional Redemption, 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
upon exercise of a Holder’s conversion right, and such failure continues for three (3) Business Days; 
 (d) failure by the Company to issue a
Fundamental Change Company Notice in accordance with Section 15.02(c) or notice of a specified corporate event in accordance with Section 14.01(b)(ii) or (iii), in each case when due; 

(e) failure by the Company to comply with its obligations under Article 11; 

(f) failure by the Company for 60 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; 
 (g) default by the
Company or any Significant Subsidiary of the Company with respect to any 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
$40,000,000 (or its foreign currency equivalent) in the aggregate of the Company and/or any such Significant Subsidiary, whether such indebtedness now exists or shall hereafter be created (i) resulting in such indebtedness becoming or
being declared due and payable prior to maturity or (ii) constituting a failure to pay the principal of any such indebtedness when due and payable at its stated maturity, upon required repurchase, upon declaration of acceleration or
otherwise, and, in the case of clauses (i) and (ii), such acceleration shall not, after the expiration of any applicable grace period, have been rescinded or annulled or such failure to pay or default shall not have been cured or waived,
or such indebtedness is not paid or discharged, as the case may be, within 30 days after written notice to the Company from the Trustee or the Holders of at least 25% in principal amount of Notes then outstanding in accordance with this Indenture;

 (h) 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 

(i) 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 30 consecutive days. 

  
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 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(h) or Section 6.01(i) with respect to the Company), unless the principal of all of the Notes shall have
already become due and payable, either the Trustee or the Holders of at least 25% in aggregate principal amount of the Notes then outstanding determined in accordance with Section 8.04, by notice in writing to the Company (and to the Trustee if
given by Holders), may declare 100% of the principal of, and any accrued and unpaid Special Interest on, all the 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 in this Indenture or in the Notes contained to the contrary notwithstanding. If an Event of Default specified in Section 6.01(h) or Section 6.01(i) with respect to the Company occurs and is continuing,
100% of the principal of, and accrued and unpaid Special Interest, if any, on, all Notes shall become and shall automatically be immediately due and payable without any declaration or other act on the part of the Trustee or any Holder. 

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 pay installments of any
accrued and unpaid Special Interest 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 any accrued and unpaid Special Interest, and on such
principal at the then-applicable Special Interest rate only and to the extent any Special Interest is payable at such time) 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 and unpaid Special Interest, if any, on Notes that shall have become
due solely by such acceleration, shall have been cured or waived pursuant to Section 6.09, 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 Redemption Price and the Fundamental Change Repurchase Price, if applicable) of, or any accrued and unpaid Special Interest 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. Special Interest. Notwithstanding anything in this
Indenture or in the Notes to the contrary, to the extent the Company elects, the sole remedy for an Event of Default relating to the Company’s failure to comply with its obligations as set forth in Section 4.06(b) shall, for the first 360 days
after the occurrence of such an Event of Default, consist exclusively of the right to receive Special Interest on the Notes at a rate equal to (i) 0.25% per annum of the principal amount of the Notes outstanding for each day during the first 180
calendar days after the occurrence of such an Event of Default during which such Event of Default is continuing (or, if earlier, the date on which such Event of Default is cured or waived as provided for in this Indenture) and (ii) 0.50% per annum
of the principal amount of the Notes outstanding for each day from, and including, the 181st calendar day to, but excluding, the 360th calendar day after the occurrence of such an Event of Default during which such Event of Default is continuing
(or, if earlier, the date on which such Event of Default is cured or waived as provided for in this Indenture). Special Interest payable pursuant to this Section 6.03 shall be in addition to, not in lieu of, any Special Interest payable pursuant to
Section 4.06(d) or Section 4.06(e). If the Company so elects, such Special Interest shall be payable as set forth in Section 2.03(b). On the 361st day after such Event of Default (if the Event of Default relating to the Company’s failure
to comply with its obligations as set forth in Section 4.06(b) is not cured or waived prior to such 361st day), the Notes shall be immediately subject to acceleration as provided in Section 6.02. The provisions of this paragraph will not affect the
rights of Holders of Notes in the event of the occurrence of any Event of Default other than the Company’s failure to comply with its obligations as set forth in Section 4.06(b). In the event the Company does not elect to pay Special Interest
following an Event of Default in accordance with this Section 6.03 or the Company elected to make such payment but does not pay the Special Interest when due, the Notes shall be immediately subject to acceleration as provided in Section 6.02. 

  
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 In order to elect to pay Special Interest as the sole remedy during the first 360 days after the occurrence of
any Event of Default described in the immediately preceding paragraph, the Company must notify all Holders of the Notes, the Trustee and the Paying Agent of such election prior to the beginning of such 360-day
period. Upon the failure to timely give such notice, the Notes shall be immediately subject to acceleration as provided in Section 6.02. 
 In no event
shall Special Interest accrue under the terms of this Indenture (aggregating any Special Interest payable pursuant to this Section 6.03 with any Special Interest payable pursuant to Section 4.06(d) or Section 4.06(e)) at a rate per
year in excess of 0.50%, regardless of the number of events or circumstances giving rise to the requirement to pay such Special Interest. 

Section 6.04. 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 and be continuing, 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 Special Interest, if any, with no
interest accruing on any overdue principal unless Special Interest was payable on the required payment date, in which case such payments will accrue interest at the then-applicable Special Interest rate from such required payment date 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 Trustee shall have made any demand pursuant to the provisions of this
Section 6.04, 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 and unpaid Special Interest, if any, in respect of the Notes,
and, in case of any judicial proceedings, to file such proofs of claim and other papers or documents and to take such other actions as it may deem necessary or advisable in order to have the claims of the Trustee (including any claim for the
reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel) and of the 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 reasonable compensation, expenses, advances and disbursements, including agents and counsel fees, 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 reasonable compensation, 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. 

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

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

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 6.09 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, 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 6.05. Application of Monies Collected by Trustee. Any monies or property 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 any 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 any interest is payable on such Notes and has been collected
by the Trustee) payable upon such overdue amounts at the rate of Special Interest then payable on such Notes, if any, 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 Redemption Price, 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 (to the extent
that any interest is payable on such Notes and has been collected by the Trustee) on the overdue principal to the extent that such interest has been collected by the Trustee, payable upon such overdue amounts at the rate of Special Interest then
payable on such Notes, if any, 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 Redemption Price, the Fundamental
Change Repurchase Price and the cash due upon conversion) and any interest without preference or priority of principal over such interest, or of any 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 Redemption Price, the Fundamental Change Repurchase Price and any cash due upon conversion) and any accrued and unpaid Special Interest; and

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

Section 6.06. Proceedings by Holders. Except to enforce the right to receive payment of principal (including, if applicable, the
Redemption Price and 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 or the Notes 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: 

  
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 (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; 
 (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 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 6.09, 

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 (it being understood that the Trustee shall not have an
affirmative duty to ascertain whether or not any such direction is unduly prejudicial to 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 6.06, 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, the right of
any Holder to receive payment or delivery, as the case may be, of (x) the principal (including the Redemption Price and the Fundamental Change Repurchase Price, if applicable) of, (y) accrued and unpaid interest, if any, 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, on or after such respective dates against the Company shall not be impaired or affected without the consent of such Holder. 
 Section
6.07. 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. 

Section 6.08. 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 6.06, 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. 

  
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 Section 6.09. 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 or that would involve the Trustee in
personal liability (it being understood that the Trustee shall not have an affirmative duty to ascertain whether or not any such direction is unduly prejudicial to any other Holder). 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 accrued and
unpaid Special Interest, if any, on, or the principal (including any Redemption Price, 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 6.09, 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 6.10. Notice of Defaults. The Trustee shall, within 90 days after the occurrence and continuance of a Default of which the Trustee has actual
knowledge, deliver to all Holders notice of all such Defaults, 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 Redemption Price and the Fundamental Change Repurchase Price, if applicable), or any accrued and unpaid Special Interest 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 it in good faith determines that the withholding of such notice is in the interests of the Holders. 

Section 6.11. 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 6.11 (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 accrued and unpaid Special Interest, if any, on any Note (including, but not limited to, the Redemption Price and the Fundamental Change Repurchase Price with respect to the Notes being repurchased as provided in
this Indenture) 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 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 

  
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of the Holders unless such Holders have offered (and, if requested, provided) to the Trustee indemnity or security satisfactory to it 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 
 (ii) in the absence of bad faith or willful misconduct on the part of the Trustee, the Trustee
may conclusively rely, as to the truth of the statements and the correctness of the opinions expressed therein, upon any certificates or opinions furnished to the Trustee and conforming to the requirements of this Indenture; but, in the case of any
such certificates or opinions 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; 

(h) in the event that the Trustee is also acting as Custodian, Note Registrar, Paying Agent, Conversion Agent, Bid Solicitation Agent or transfer agent
hereunder, the rights and protections afforded to the Trustee pursuant to this Article 7 shall also be afforded to such Custodian, Note Registrar, Paying Agent, Conversion Agent, Bid Solicitation Agent or transfer agent; and 

  
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 (i) under no circumstances shall the Trustee be liable in its individual capacity for the obligations evidenced
by the Notes. 
 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 (whether in its original or facsimile form) believed by it in good faith to be genuine and to have been
signed or presented by the proper party or parties; 
 (b) any request, direction, order or demand of the Company mentioned herein shall be sufficiently
evidenced by an Officer’s Certificate (unless other evidence in respect thereof be herein specifically prescribed); 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 of its selection and require an Opinion of Counsel and any written or verbal 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; 

(g) the Trustee shall not be required to give any bond or surety in respect of the performance of its powers and duties hereunder; and 

(h) the Trustee may request that the Company deliver a certificate setting forth the names of individuals and/or titles of officers authorized at such time to
take specified actions pursuant to this Indenture. 
 In no event shall the Trustee be liable for any consequential, punitive, special or indirect 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. 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 at the Corporate Trust Office and such notice references the Notes and/or this Indenture. 

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 or any money paid to the Company or
upon the Company’s direction under any provision of the Indenture. 

  
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 Section 7.04. Trustee, Paying Agents, Conversion Agents, Bid Solicitation Agent or Note Registrar May Own
Notes. The Trustee, any Paying Agent, any Conversion Agent, Bid Solicitation Agent (if other than the Company or any Affiliate thereof) 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, Bid Solicitation Agent or Note Registrar. 
 Section 7.05.
Monies and Shares of Common Stock to Be Held in Trust. All monies and any 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 or property 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, in any capacity under this Indenture, 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 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 as determined by a final, non-appealable decision of a court of competent jurisdiction. 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 officers, directors, employees and agents and any authenticating agent for, and to hold them harmless against, any loss, claim (whether asserted by the Company, a Holder or any Person), 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, as determined by a final,
non-appealable decision of a court of competent jurisdiction, 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 lien 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 6.05, 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. 
 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(h) or
Section 6.01(i) occurs, the expenses and the compensation for the services are intended to constitute expenses of administration under any bankruptcy, insolvency or similar laws. 

Section 7.07. Officer’s 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 and willful misconduct on the part of the Trustee, be deemed to be conclusively proved and established by an Officer’s Certificate delivered to the Trustee, and such Officer’s
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, for this purpose, 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 and at the expense of the Company, 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 6.11, 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 6.11, 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. 

(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, 

  
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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 lien 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 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 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 notice to the Company is deemed to be received pursuant to Section 17.03, unless the Company 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 

  
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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 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 fix, but shall not be required to, 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 Redemption Price and any Fundamental Change Repurchase Price) of and
(subject to Section 2.03) any accrued and unpaid Special Interest on such Note, for conversion of such Note and for all other purposes under this Indenture; 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. The sole registered holder of a Global Note shall be the Depositary or its nominee. 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 owner 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, by any Subsidiary thereof or by any Person directly or indirectly controlling or controlled by or under direct or indirect common
control with the Company or 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, a Subsidiary thereof or a Person directly or
indirectly controlling or controlled by or under direct or indirect common control with the Company or a Subsidiary thereof. In the case of a dispute as to such right, any decision or indecision 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 Officer’s 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 Officer’s Certificate as conclusive evidence of the facts therein set forth and of the fact that all Notes not listed therein
are outstanding for the purpose of any such determination. 
 Section 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 

  
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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. 
 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. 

  
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 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 $1,000 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. 
 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. Nothing contained in this Article 9 shall be deemed or construed to limit any Holder’s actions pursuant
to the applicable procedures of the Depositary so long as the Notes are Global Notes. 
 ARTICLE 10 

SUPPLEMENTAL INDENTURES 
 Section 10.01.
Supplemental Indentures Without Consent of Holders. Without the consent of any Holder, 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 pursuant to Article 11;


  
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 (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 under this Indenture; 
 (f) to make any
change that does not adversely affect the rights of any Holder; 
 (g) in connection with any Merger 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 

(h) to increase the Conversion Rate as provided in this Indenture; 

(i) to provide for the acceptance of appointment by a successor trustee pursuant to Section 7.09 or to facilitate the administration of the trusts by
more than one trustee; 
 (j) to irrevocably elect or eliminate a Settlement Method and/or irrevocably elect a minimum Specified Dollar Amount; or 

(k) to conform the provisions of this Indenture or the Notes to the “Description of Notes” section of the Offering Memorandum. 

Upon the written request of the Company, the Trustee is hereby authorized to, and shall 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, except that 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, liabilities 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, the 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, the Notes or any supplemental indenture or of modifying in any manner the rights of the Holders; provided, however, 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 any Special Interest on any Note; 

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

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

(e) reduce the Redemption Price or 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; 

  
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 (f) make any Note payable in a currency, or at a place of payment, other than that stated in the Note; 

(g) change the ranking of the Notes; 
 (h) impair the right of
any Holder to receive payment of principal and Special Interest, if any, on such Holder’s Notes on or after the due dates therefor or to institute suit for the enforcement of any payment on or with respect to such Holder’s Note; or 

(i) make any change in this Article 10 that requires each Holder’s consent or in the waiver provisions in Section 6.02 or Section 6.09.

 Upon the written request of the Company, and upon the filing with the Trustee of evidence of the consent of the requisite 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, liabilities 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 (with a copy to the Trustee) 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 request and 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 so modified as to conform, in the opinion of the Trustee and the Company, 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 Officer’s 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 and that the supplemental indenture constitutes the legal, valid and binding obligation of the Company enforceable in accordance with its terms. 

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; and 

  
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 (b) immediately after giving effect to such transaction, no Default or Event of Default shall have occurred and
be continuing under this Indenture. 
 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 and satisfactory in form to the Trustee, of the due and punctual payment of the principal
of and any accrued and unpaid Special Interest 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 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 Trustee shall receive an Officer’s Certificate and an Opinion of Counsel as conclusive evidence that any such consolidation, merger, sale, conveyance,
transfer or lease and any such assumption and, if a supplemental indenture is required in connection with such transaction, such 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 any accrued and unpaid Special Interest 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 

INTENTIONALLY OMITTED 
 ARTICLE 14

 CONVERSION OF NOTES 
 Section 14.01.
Conversion Privilege. (a) 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
$1,000 principal amount or a multiple thereof) of such Note (i) subject to satisfaction of the conditions described in Section 14.01(b), at any time prior to the close of business on the Business Day immediately preceding December 15,
2022 under the circumstances and during the periods set forth in Section 14.01(b), and (ii) regardless of the conditions described in Section 14.01(b), on or after December 15, 2022 and prior to the close of business on the
Scheduled Trading Day immediately preceding the Maturity Date, in each case, at an initial conversion rate of 12.2782 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) (i) Prior to the close of business on the Business Day immediately preceding December 15, 2022, a Holder may surrender all or any portion of its
Notes for conversion at any time during the five Business Day period immediately after any five consecutive Trading Day period (the “Measurement Period”) in which the Trading Price per $1,000 principal amount of Notes, as determined
following a request by a Holder of Notes in accordance with this Section 14.01(b)(i), for each Trading Day of the Measurement Period was less than 98% of the product of the Last Reported Sale Price of the Common Stock and the Conversion Rate on
each such Trading Day. The Trading Prices shall be determined by the Bid Solicitation Agent pursuant to this Section 14.01(b)(i) and the definition of Trading Price set forth in this Indenture. The Company shall provide written notice to the
Bid Solicitation Agent (if other than the Company) of the three independent nationally recognized securities dealers selected by the Company pursuant to the definition of Trading Price, along with appropriate contact information for each. The Bid
Solicitation Agent (if other than the Company) shall have no obligation to determine the Trading Price per $1,000 principal amount of Notes unless the Company has requested such determination in writing, and the Company shall have no obligation to
make such request (or, if the Company is acting as Bid Solicitation Agent, the Company shall have no obligation to determine the Trading Price per $1,000 principal amount of Notes) unless a Holder of Notes provides the Company with reasonable
evidence that the Trading Price per $1,000 principal amount of Notes would be less than 98% of the product of the Last Reported Sale Price of the Common Stock and the Conversion Rate, at which time the Company shall instruct the Bid Solicitation
Agent (if other than the Company) to determine, or if the Company is acting as Bid Solicitation Agent, the Company shall determine the Trading Price per $1,000 principal amount of Notes beginning on the next Trading Day and on each successive
Trading Day until the Trading Price per $1,000 principal amount of Notes is greater than or equal to 98% of the product of the Last Reported Sale Price of the Common Stock and the Conversion Rate and the Company shall instruct the three independent
nationally recognized securities dealers to deliver bids to the Bid Solicitation Agent (if other than the Company). If (x) the Company is not acting as Bid Solicitation Agent, and the Company does not instruct the Bid Solicitation Agent in
writing to determine the Trading Price per $1,000 principal amount of Notes when obligated as provided in the preceding sentence, or if the Company so instructs the Bid Solicitation Agent to obtain bids and the Bid Solicitation Agent fails to make
such determination, or (y) the Company is acting as Bid Solicitation Agent and the Company fails to make such determination when obligated as provided in the preceding sentence then, in either case, the Trading Price per $1,000 principal amount of
Notes shall be deemed to be less than 98% of the product of the Last Reported Sale Price of the Common Stock and the Conversion Rate on each Trading Day of such failure. If the Trading Price condition set forth above has been met, the Company shall
so notify the Holders, the Trustee and the Conversion Agent (if other than the Trustee) in writing. If, at any time after the Trading Price condition set forth above has been met, the Trading Price per $1,000 principal amount of Notes is greater
than or equal to 98% of the product of the Last Reported Sale Price of the Common Stock and the Conversion Rate for such date, the Company shall so notify the Holders of the Notes, the Trustee and the Conversion Agent (if other than the Trustee) in
writing. 
 (ii) If, prior to the close of business on the Business Day immediately preceding December 15, 2022, the Company elects to: 

(A) issue to all or substantially all holders of the Common Stock any rights, options or warrants (other than in connection with a stockholder rights plan)
entitling them, for a period of not more than 45 calendar days after the announcement date of such issuance, to subscribe for or purchase shares of the Common Stock at a price per share that is less than the average of the Last Reported Sale Prices
of the Common Stock for the 10 consecutive Trading Day period ending on, and including, the Trading Day immediately preceding the date of announcement of such issuance; or 

  
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 (B) distribute to all or substantially all holders of the Common Stock the Company’s assets, securities or
rights to purchase securities of the Company, which distribution has a per share value, as reasonably determined by the Board of Directors, exceeding 10% of the Last Reported Sale Price of the Common Stock on the Trading Day preceding the date of
announcement for such distribution, then, in either case, the Company shall notify all Holders of the Notes, the Trustee and the Conversion Agent (if other than the Trustee) at least 50 Scheduled Trading Days prior to the Ex-Dividend Date for such issuance or distribution. Once the Company has given such notice, a Holder may surrender all or any portion of its Notes for conversion at any time until the earlier of (1) the close
of business on the Business Day immediately preceding the Ex-Dividend Date for such issuance or distribution and (2) the Company’s announcement that such issuance or distribution will not take
place, in each case, even if the Notes are not otherwise convertible at such time. 
 Holders of the Notes may not exercise their Notes pursuant to this
Section 14.01(b)(ii) if they participate (other than in the case of a share split or share combination), at the same time and upon the same terms as holders of the Common Stock and solely as a result of holding the Notes, in any of the
transactions described above without having to convert their Notes as if they held a number of shares of Common Stock equal to the applicable Conversion Rate, multiplied by the principal amount (expressed in thousands) of Notes held by such Holder.

 (iii) If (i) a transaction or event that constitutes (x) a Fundamental Change or (y) a Make-Whole Fundamental Change occurs prior to the close
of business on the Business Day immediately preceding December 15, 2022, regardless of whether a Holder has the right to require the Company to repurchase the Notes pursuant to Section 15.02, or (ii) if the Company is a party to a
consolidation, merger, binding share exchange, or transfer or lease of all or substantially all of its assets prior to the close of business on the Business Day immediately preceding December 15, 2022, in each case pursuant to which the Common
Stock would be converted into cash, securities or other assets, then, in each case, all or any portion of a Holder’s Notes may be surrendered for conversion at any time after the effective date of the transaction or event until 35 Trading Days
after the effective date of such transaction or event or, if such transaction also constitutes a Fundamental Change, until the related Fundamental Change Repurchase Date. The Company shall notify Holders, the Trustee and the Conversion Agent (if
other than the Trustee) no later than the actual effective date of such transaction or event. 
 (iv) Prior to the close of business on the Business Day
immediately preceding December 15, 2022, a Holder may surrender all or any portion of its Notes for conversion at any time during any calendar quarter commencing after the calendar quarter ending on June 30, 2018 (and only during such
calendar quarter), if the Last Reported Sale Price of the Common Stock for at least 20 Trading Days (whether or not consecutive) during the period of 30 consecutive Trading Days ending on, and including, the last Trading Day of the immediately
preceding calendar quarter is greater than or equal to 130% of the Conversion Price on each applicable Trading Day. 
 (v) If the Company calls any or all
of the Notes for redemption pursuant to Article 16, then a Holder may surrender all or any portion of its Notes for conversion at any time prior to the close of business on the Scheduled Trading Day prior to the Redemption Date, even if the Notes
are not otherwise convertible at such time. After that time, the right to convert shall expire, unless the Company defaults in the payment of the Redemption Price, in which case a Holder of Notes may convert its Notes until the Redemption Price has
been paid or duly provided for. 
 Section 14.02. Conversion Procedure; Settlement Upon Conversion. 

(a) Subject to this Section 14.02, Section 14.03(b) and Section 14.07(a), upon conversion of any Note, 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”), 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”) or a combination of cash and 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 (“Combination Settlement”), at its election, as set forth in this Section 14.02. 

  
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 (i) All conversions occurring (x) on or after December 15, 2022 or (y) during a
Redemption Period shall be settled using the same Settlement Method. 
 (ii) Except for any conversions for which the relevant Conversion Date occurs during
a Redemption Period and any conversions for which the relevant Conversion Date occurs on or after December 15, 2022, the Company shall use the same Settlement Method for all conversions occurring on the same Conversion Date, but the
Company shall not have any obligation to use the same Settlement Method with respect to conversions that occur on different Conversion Dates. 
 (iii) If,
in respect of any Conversion Date (or one of the periods described in the third immediately succeeding set of parentheses, as the case may be), the Company elects to deliver a notice (the “Settlement Notice”) of the relevant
Settlement Method in respect of such Conversion Date (or such period, as the case may be), the Company shall deliver such Settlement Notice to converting Holders, the Trustee and the Conversion Agent (if other than the Trustee) no later than the
close of business on the Scheduled Trading Day immediately following the relevant Conversion Date (or, in the case of any conversions occurring (x) during a Redemption Period, in such Redemption Notice, or (y) on or after
December 15, 2022, no later than the close of business on Scheduled Trading Day immediately preceding December 15, 2022). If the Company does not timely elect a Settlement Method prior to the deadline set forth in the immediately preceding
sentence, the Company shall no longer have the right to elect Cash Settlement or Physical Settlement for such conversion or during such period and the Company shall be deemed to have elected Combination Settlement in respect of its Conversion
Obligation, and the Specified Dollar Amount per $1,000 principal amount of Notes shall be equal to $1,000. Such Settlement Notice shall specify the relevant Settlement Method and in the case of an election of Combination Settlement, the relevant
Settlement Notice shall indicate the Specified Dollar Amount per $1,000 principal amount of Notes. If the Company delivers a Settlement Notice electing Combination Settlement in respect of its Conversion Obligation but does not indicate a Specified
Dollar Amount per $1,000 principal amount of Notes in such Settlement Notice, the Specified Dollar Amount per $1,000 principal amount of Notes shall be deemed to be $1,000. 

(iv) The cash, shares of Common Stock or combination of cash and shares of Common Stock in respect of any conversion of Notes (the “Settlement
Amount”) shall be computed as follows: 
 (A) if the Company elects 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; 

(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 40 consecutive Trading Days during the related Observation Period; and 

(C) if the Company elects (or is deemed to have elected) to satisfy its Conversion Obligation in respect of such conversion by Combination Settlement, the
Company shall pay or deliver, as the case may be, in respect of each $1,000 principal amount of Notes being converted, a Settlement Amount equal to the sum of the Daily Settlement Amounts for each of the 40 consecutive Trading Days during the
related Observation Period. 
 (v) The Daily Settlement Amounts (if applicable) and 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 Settlement Amounts or the Daily Conversion Values, as the case may be, 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 Settlement Amounts or the Daily Conversion Values, as the case may be, 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 as set forth above, such Holder shall (i) in the
case of a Global Note, comply with the procedures of the Depositary in effect at that time and, if required, pay funds equal to any Special Interest payable on the next Special Interest Payment Date to which


  
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such Holder is not entitled as set forth in Section 14.02(h) 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, PDF or other electronic transmission 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, (3) if required, furnish appropriate
endorsements and transfer documents and (4) if required, pay funds equal to any Special Interest payable on the next Special Interest Payment Date to which such Holder is not entitled as set forth in Section 14.02(h). 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 Notes may be surrendered for conversion 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 date (the “Conversion Date”) that the Holder has complied with the requirements set forth in subsection (b) above. Except as
set forth in Section 14.03(b) and 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 Physical Settlement, or on the second Business Day immediately following the last Trading Day of the relevant Observation Period, in the case of any other Settlement Method. If any shares of Common
Stock are due to converting Holders, the Company shall issue or cause to be issued, and deliver to the Conversion Agent or to such Holder, or such Holder’s nominee or nominees, certificates or a book-entry transfer through the Depositary for
the full number of shares of Common Stock to which such Holder shall be entitled in satisfaction of the Company’s Conversion Obligation. 
 (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 14.04, 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. 

  
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 (h) Upon conversion, a Holder shall not receive any separate cash payment for accrued and unpaid Special
Interest, if any, except as set forth below. 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 accrued and unpaid Special Interest, if any,
to, but excluding, the relevant Conversion Date. As a result, accrued and unpaid Special Interest, if any, to, but excluding, the relevant Conversion Date shall be deemed to be paid in full rather than cancelled, extinguished or forfeited. Upon a
conversion of Notes into a combination of cash and shares of Common Stock, any accrued and unpaid Special Interest will be deemed to be paid first out of the cash paid upon such conversion. Notwithstanding the foregoing, if Notes are converted after
the close of business on a Special Interest Record Date and prior to the open of business on the corresponding Special Interest Payment Date, Holders of such Notes as of the close of business on such Special Interest Record Date will receive the
full amount of interest payable on such Notes on the corresponding Special Interest Payment Date notwithstanding the conversion. Notes surrendered for conversion during the period from the close of business on any Special Interest Record Date to the
open of business on the immediately following Special Interest Payment Date must be accompanied by funds equal to the amount of Special Interest payable on the Notes so converted; provided that no such payment shall be required (1) for
conversions following the Special Interest Record Date immediately preceding the Maturity Date; (2) if the Company has specified a Fundamental Change Repurchase Date that is after a Special Interest Record Date and on or prior to the Business
Day immediately succeeding the corresponding Special Interest Payment Date; (3) if the Company has specified a Redemption Date that is after a Special Interest Record Date and on or prior to the Scheduled Trading Day immediately succeeding the
corresponding Special Interest Payment Date; or (4) to the extent of any Defaulted Amounts, if any Defaulted Amounts exists at the time of conversion with respect to such Note. Therefore, for the avoidance of doubt, all Holders of record on the
Special Interest Record Date immediately preceding the Maturity Date (if and to the extent that Special Interest is payable on the Maturity Date) shall receive the full Special Interest payment due on the Maturity Date in cash regardless of whether
their Notes have been converted following such Special Interest Record Date. 
 (i) The Person in whose name the certificate for any shares of Common Stock
delivered upon conversion is registered shall be treated as a stockholder of record as of the close of business on the relevant Conversion Date (if the Company elects to satisfy the related Conversion Obligation by Physical Settlement) or the last
Trading Day of the relevant Observation Period (if the Company elects to satisfy the related Conversion Obligation by Combination Settlement), as the case may be. 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 Daily VWAP on the relevant Conversion Date (in the case of Physical Settlement) or based on the Daily VWAP on the last Trading Day of the relevant
Observation Period (in the case of Combination Settlement). For each Note surrendered for conversion, if the Company has elected (or is deemed to have elected) Combination Settlement, the full number of shares that shall be issued upon conversion
thereof shall be computed on the basis of the aggregate Daily Settlement Amounts for the relevant Observation Period and any fractional shares remaining after such computation shall be paid in cash. 

Section 14.03. Increased Conversion Rate Applicable to Certain Notes Surrendered in Connection with Make-Whole Fundamental Changes or During a Redemption
Period. (a) If (x) the Effective Date of a Make-Whole Fundamental Change occurs prior to the Maturity Date and a Holder elects to convert its Notes in connection with such Make-Whole Fundamental Change or the Company issues a
Redemption Notice pursuant to Section 16.02 and a Holder elects to convert its Notes during the related Redemption Period, the Company shall, under the circumstances described below, increase the Conversion Rate for the Notes so surrendered for
conversion by a number of additional shares of Common Stock (the “Additional Shares”), as described below. A conversion of Notes shall be deemed for these purposes to be “in connection with” such Make-Whole Fundamental
Change if the relevant Notice of Conversion is received by the Conversion Agent from, and including, the Effective Date of the Make-Whole Fundamental Change up to, and including, the Business Day immediately prior to the related Fundamental Change
Repurchase Date (or, in the case of a Make-Whole Fundamental Change that would have been a Fundamental Change but for the proviso in clause (b) of the definition thereof, the 35th Trading Day immediately following the Effective
Date of such Make-Whole Fundamental Change) (such period, the “Make-Whole Fundamental Change Period”). 

  
 44 








 (b) Upon surrender of Notes for conversion in connection with a Make-Whole Fundamental Change pursuant to
Section 14.01(b)(iii) or during a Redemption Period pursuant to Section 14.01(b)(v), the Company shall, at its option, satisfy the related Conversion Obligation by Physical Settlement, Cash Settlement or Combination Settlement in
accordance with Section 14.02 based on the Conversion Rate as increased to reflect the Additional Shares pursuant to the table below; provided, however, that if, at the effective time of a Make-Whole Fundamental Change described in
clause (b) of the definition of Fundamental Change, the Reference Property following such Make-Whole Fundamental Change is composed entirely of cash, for any conversion of Notes following the Effective Date of such Make-Whole Fundamental
Change, the Conversion Obligation shall be calculated based solely on the Stock Price for the transaction and shall be deemed to be an amount of cash per $1,000 principal amount of converted Notes equal to the Conversion Rate (including any
adjustment for Additional Shares), multiplied by such Stock Price. In such event, the Conversion Obligation shall be determined and paid to Holders in cash on the second Business Day following the Conversion Date. The Company shall notify the
Holders of Notes, the Trustee and the Conversion Agent (if other than the Trustee) of the Effective Date of any Make-Whole Fundamental Change no later than five Business Days after such Effective Date. 

(c) The number of Additional Shares, if any, by which the Conversion Rate shall be increased for conversions during the Make-Whole Fundamental Change Period
or during the Redemption Period shall be determined by reference to the table below, based on the date on which the Make-Whole Fundamental Change occurs or becomes effective (the “Effective Date”) or the Redemption Notice Date, as
the case may be, and the price (the “Stock Price”) paid (or deemed to be paid) per share of the Common Stock in the Make-Whole Fundamental Change or on the Redemption Notice Date, as applicable, as set forth in this Section 14.03.
If the holders of the Common Stock receive in exchange for their Common Stock only cash in a Make-Whole Fundamental Change described in clause (b) of the definition of Fundamental Change, the Stock Price shall be the cash amount paid per share.
In the case of any other Make-Whole Fundamental Change or in the case of any Optional Redemption, the Stock Price shall be the average of the Last Reported Sale Prices of the Common Stock over the five Trading Day period ending on, and including,
the Trading Day immediately preceding the Effective Date of the Make-Whole Fundamental Change or the Redemption Notice Date, as the case may be. The Board of Directors shall make appropriate adjustments to the Stock Price, in its good faith
determination, 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 (as such term
is defined for purposes of Section 14.04) or expiration date of the event occurs, during such five consecutive Trading Day period. In the event that a Conversion Date occurs during both a Redemption Period and a Make-Whole Fundamental
Change Period, a Holder of any such Notes to be converted will be entitled to a single increase to the Conversion Rate with respect to the first to occur of the applicable Redemption Notice Date or Effective Date, and the later event shall be deemed
not to have occurred for purposes of this Section 14.03. 
 (d) The Stock Prices set forth in the column headings of the table below shall be
adjusted as of any date on which the Conversion Rate of the Notes is otherwise adjusted. The adjusted Stock Prices shall equal the Stock Prices applicable immediately prior to such adjustment, multiplied by a fraction, the numerator of which
is the Conversion Rate immediately prior to such adjustment giving rise to the Stock Price adjustment and the denominator of which is the Conversion Rate as so adjusted. The number of Additional Shares set forth in the table below shall be adjusted
in the same manner and at the same time as the Conversion Rate as set forth in Section 14.04. 
 (e) The following table sets forth the number
of Additional Shares of Common Stock by which the Conversion Rate shall be increased per $1,000 principal amount of Notes pursuant to this Section 14.03 for each Stock Price and Effective Date set forth below: 

 

																																																	
	 	 	Stock Price	 
	 Effective Date/Redemption Notice Date
	 	$	62.65	 	 	$	65.00	 	 	$	70.00	 	 	$	75.00	 	 	$	81.45	 	 	$	90.00	 	 	$	105.88	 	 	$	125.00	 	 	$	150.00	 	 	$	175.00	 	 	$	200.00	 	 	$	250.00	 
		 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 
	 March 5, 2018
	 	 	3.6834	 	 	 	3.4211	 	 	 	2.9373	 	 	 	2.5365	 	 	 	2.1150	 	 	 	1.6808	 	 	 	1.1269	 	 	 	0.7207	 	 	 	0.4167	 	 	 	0.2463	 	 	 	0.1461	 	 	 	0.0473	 
	 March 15, 2019
	 	 	3.6834	 	 	 	3.4211	 	 	 	2.9373	 	 	 	2.5240	 	 	 	2.0746	 	 	 	1.6174	 	 	 	1.0462	 	 	 	0.6404	 	 	 	0.3491	 	 	 	0.1937	 	 	 	0.1071	 	 	 	0.0288	 
	 March 15, 2020
	 	 	3.6834	 	 	 	3.4211	 	 	 	2.9373	 	 	 	2.4715	 	 	 	1.9902	 	 	 	1.5089	 	 	 	0.9250	 	 	 	0.5297	 	 	 	0.2633	 	 	 	0.1318	 	 	 	0.0643	 	 	 	0.0112	 
	 March 15, 2021
	 	 	3.6834	 	 	 	3.4211	 	 	 	2.8400	 	 	 	2.3287	 	 	 	1.8115	 	 	 	1.3091	 	 	 	0.7307	 	 	 	0.3717	 	 	 	0.1562	 	 	 	0.0640	 	 	 	0.0237	 	 	 	0.0007	 
	 March 15, 2022
	 	 	3.6834	 	 	 	3.3148	 	 	 	2.5771	 	 	 	1.9997	 	 	 	1.4388	 	 	 	0.9291	 	 	 	0.4148	 	 	 	0.1589	 	 	 	0.0437	 	 	 	0.0094	 	 	 	0.0006	 	 	 	0.0000	 
	 March 15, 2023
	 	 	3.6834	 	 	 	3.1065	 	 	 	2.0074	 	 	 	1.0551	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 	 	 	0.0000	 
		 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 	 	  
	  
	 


  
 45 








 The exact Stock Prices and Effective Dates or Redemption Notice Dates, may not be set forth in the table above,
in which case: 
 (i) if the Stock Price is between two Stock Prices in the table above or the Effective Date or the Redemption Notice Date, as the case may
be, is between two Effective Dates / Redemption Notice Dates in the table above, the number of Additional Shares by which the Conversion Rate shall be increased shall be determined by a straight-line interpolation between the number of Additional
Shares set forth for the higher and lower Stock Prices and the earlier and later Effective Dates / Redemption Notice Dates, as applicable, based on a 365-day year; 

(ii) if the Stock Price is greater than $250.00 per share (subject to adjustment in the same manner as the Stock Prices set forth in the column headings of
the table above pursuant to subsection (d) above), no Additional Shares shall be added to the Conversion Rate; and 
 (iii) if the Stock Price is less
than $62.65 per share (subject to adjustment in the same manner as the Stock Prices set forth in the column headings of the table above pursuant to subsection (d) above), no Additional Shares shall be added to the Conversion Rate. 

Notwithstanding the foregoing, in no event shall the Conversion Rate per $1,000 principal amount of Notes exceed 15.9616 shares of Common Stock, subject to
adjustment in the same manner as the Conversion Rate pursuant to Section 14.04. 
 (f) Nothing in this Section 14.03 shall prevent an adjustment
to the Conversion Rate pursuant to Section 14.04 in respect of a Make-Whole Fundamental Change. 
 Section 14.04.
Adjustment of Conversion Rate. The Conversion Rate shall be adjusted from time to time by the Company if any of the following events occurs, except that the Company shall not make any adjustments to the Conversion Rate if Holders of
the Notes participate (other than in the case of (x) a share split or share combination or (y) a tender or exchange offer), at the same time and upon the same terms as holders of the Common Stock and solely as a result of
holding the Notes, in any of the transactions described in this Section 14.04, without having to convert their Notes, as if they held a number of shares of Common Stock equal to the Conversion Rate, multiplied by the principal
amount (expressed in thousands) of Notes held by such Holder. 
 (a) If the Company exclusively issues shares of Common Stock as a dividend or distribution
on shares of the Common Stock, or if the Company effects a share split or share combination, the Conversion Rate shall be adjusted based on the following formula: 
  





 
 where, 
  

					
	CR0	  	=	  	the Conversion Rate in effect immediately prior to the open of business on the Ex-Dividend Date of such dividend or distribution, or 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 Ex-Dividend Date or Effective Date, as the case may be;
			
	OS0	  	=	  	the number of shares of Common Stock outstanding immediately prior to the open of business on such Ex-Dividend Date or Effective Date (before giving effect to any such dividend,
distribution, share split or share combination), as the case may b; and
			
	OS’	  	=	  	the number of shares of Common Stock outstanding immediately after giving effect to such dividend, distribution, share split or share combination, as the case may be.


  
 46 








 Any adjustment made under this Section 14.04(a) shall become effective immediately after the open of
business on the Ex-Dividend Date for such dividend or distribution, or immediately after the open of business on the Effective Date for such share split or share combination, as applicable. If any dividend or
distribution of the type described in this Section 14.04(a) is declared but not so paid or made, the Conversion Rate shall be immediately readjusted, effective as of the date the Board of Directors determines not to pay such dividend or
distribution, to the Conversion Rate that would then be in effect if such dividend or distribution had not been declared. 
 (b) If the Company issues to
all or substantially all holders of the Common Stock any rights, options or warrants (other than in connection with a stockholder rights plan) entitling them, for a period of not more than 45 calendar days after the announcement date of such
issuance, to subscribe for or purchase shares of the Common Stock at a price per share that is less than the average of the Last Reported Sale Prices of the Common Stock for the 10 consecutive Trading Day period ending on, and including, the Trading
Day immediately preceding the date of announcement of such issuance, the Conversion Rate shall be increased based on the following formula: 
  





 
 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;
			
	OS0	  	=	  	the number of shares of Common Stock outstanding immediately prior to the open of business on such Ex-Dividend Date;
			
	X	  	=	  	the total number of shares of Common Stock issuable pursuant to such rights, options or warrants; and
			
	Y	  	=	  	the number of shares of Common Stock equal to the aggregate price payable to exercise such rights, options or warrants, divided by the average of the Last Reported Sale Prices of the Common Stock over the 10 consecutive Trading
Day period ending on, and including, the Trading Day immediately preceding the date of announcement of the issuance of such rights, options or warrants.

 Any increase made under this Section 14.04(b) shall be made successively whenever any such rights, options or warrants
are issued and shall become effective immediately after the open of business on the Ex-Dividend Date for such issuance. To the extent that shares of the Common Stock are not delivered after the expiration of
such rights, options or warrants, the Conversion Rate shall be decreased to the Conversion Rate that would then be in effect had the increase with respect to the issuance of such rights, options or warrants been made on the basis of delivery of only
the number of shares of Common Stock actually delivered. If such rights, options or warrants are not so issued, the Conversion Rate shall be decreased to the Conversion Rate that would then be in effect if such
Ex-Dividend Date for such issuance had not occurred. 
 For purposes of this Section 14.04(b) and
Section 14.01(b)(ii)(A), in determining whether any rights, options or warrants entitle the holders of Common Stock to subscribe for or purchase shares of the Common Stock at less than such average of the Last Reported Sale Prices of the Common
Stock for the 10 consecutive Trading Day period ending on, and including, the Trading Day immediately preceding the date of announcement of such issuance, and in determining the aggregate offering price of such shares of Common Stock, there shall be
taken into account any consideration received by the Company for such rights, options or warrants and any amount payable on exercise or conversion thereof, the value of such consideration, if other than cash, to be determined by the Company. 

(c) If the Company distributes shares of its Capital Stock, evidences of its indebtedness, other assets or property of the Company or rights, options or
warrants to acquire its Capital Stock or other securities of the Company, to all or substantially all holders of the Common Stock, excluding (i) dividends, distributions or issuances as to which an adjustment was effected pursuant to
Section 14.04(a) or Section 14.04(b), (ii) dividends or distributions paid 

  
 47 








 
exclusively in cash as to which an adjustment was effected pursuant to Section 14.04(d), (iii) rights issued pursuant a stockholder rights plan except as set forth in
Section 14.11, (iv) distributions of Reference Property in a transaction described in Section 14.07 and (v) Spin-Offs as to which the provisions set forth below in this Section 14.04(c)
shall apply (any of such shares of Capital Stock, evidences of indebtedness, other assets or property or rights, options or warrants to acquire Capital Stock or other securities, the “Distributed Property”), then the Conversion Rate
shall be increased based on the following formula: 
  
 



 
 where, 
  

					
	CR0	  	=	  	the Conversion Rate in effect immediately prior to the open of business on the Ex-Dividend Date for such distribution;
	CR’	  	=	  	the Conversion Rate in effect immediately after the open of business on such Ex-Dividend Date;
	SP0	  	=	  	the average of the Last Reported Sale Prices of the Common Stock over the 10 consecutive Trading Day period ending on, and including, the Trading Day immediately preceding the Ex-Dividend
Date for such distribution; and
	FMV	  	=	  	the fair market value (as determined by the Company) of the Distributed Property with respect to each outstanding share of the Common Stock on the Ex-Dividend Date for such
distribution.

 Any increase made under the portion of this Section 14.04(c) above shall become effective immediately after the open of
business on the Ex-Dividend Date for such distribution. If such distribution is not so paid or made, the Conversion Rate shall be decreased to the Conversion Rate that would then be in effect if such
distribution had not been declared. If the Company issues rights, options or warrants that are only exercisable upon the occurrence of certain triggering events, then the Company will not adjust the Conversion Rate pursuant to the clauses above
until the earliest of these triggering events occurs, and the Company will readjust the Conversion Rate to the extent any of these rights, options or warrants are not exercised before they expire. Notwithstanding the foregoing, if “FMV”
(as defined above) is equal to or greater than “SP0” (as defined above), in lieu of the foregoing increase, 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. If the Company determines the “FMV” (as defined above) of any distribution for purposes of this
Section 14.04(c) by reference to the actual or when-issued trading market for any securities, it shall in doing so consider the prices in such market over the same period used in computing the Last Reported Sale Prices of the Common Stock over
the 10 consecutive Trading Day period ending on, and including, the Trading Day immediately preceding the Ex-Dividend Date for such distribution. 

With respect to an adjustment pursuant to this Section 14.04(c) where there has been a payment of a dividend or other distribution on the Common Stock of
shares of Capital Stock of any class or series, or similar equity interest, of or relating to any Subsidiary or other business unit of the Company, that are, or, when issued, will be, listed or admitted for trading on a U.S. national securities
exchange (a “Spin-Off”), the Conversion Rate shall be increased based on the following formula: 
  





 
  
 where, 

 

					
	CR0	  	=	  	the Conversion Rate in effect immediately prior to the end of the Valuation Period;
			
	CR’	  	=	  	the Conversion Rate in effect immediately after the end of the Valuation Period;


  
 48 









					
			
	FMV0	  	=	  	the average of the Last Reported Sale Prices of the Capital Stock or similar equity interest distributed to holders of the Common Stock applicable to one share of the Common Stock (determined by reference to the definition of
Last Reported Sale Price as set forth in Section 1.01 as if references therein to Common Stock were to such Capital Stock or similar equity interest) over the first 10 consecutive Trading Day period after, and including, the Ex-Dividend Date of the Spin-Off (the “Valuation Period”) provided that, if there is no Last Reported Sale Price of the Capital Stock or similar equity interest
distributed to holders of the Common Stock on such Ex-Dividend Date, the “Valuation Period” shall be the 10 consecutive Trading Day period after, and including the first Trading Day such Last
Reported Sale Price is available; and
			
	MP0	  	=	  	the average of the Last Reported Sale Prices of the Common Stock over the Valuation Period.

 The adjustment to the Conversion Rate under the preceding paragraph shall occur at the close of business on the last Trading
Day of the Valuation Period; provided that (x) in respect of any conversion of Notes for which Physical Settlement is applicable, if the relevant Conversion Date occurs during the Valuation Period, references to “10” in the
portion of this Section 14.04(c) related to Spin-Offs shall be deemed to be replaced with such lesser number of Trading Days as have elapsed between the Ex-Dividend Date of such Spin-Off and the Conversion Date in determining the Conversion Rate and (y) in respect of any conversion of Notes for which Cash Settlement or Combination Settlement is applicable, for any Trading Day that
falls within the relevant Observation Period for such conversion and within the Valuation Period, references to “10” in the portion of this Section 14.04(c) related to Spin-Offs shall be deemed to be replaced with such lesser number
of Trading Days as have elapsed between the Ex-Dividend Date of such Spin-Off and such Trading Day in determining the Conversion Rate as of such Trading Day. If the
distribution constituting the Spin-Off is not so paid or made, the Conversion Rate shall be decreased to the Conversion Rate that would then be in effect if such distribution constituting the Spin-Off had not been declared. 
 For purposes of this Section 14.04(c) (and subject in all respect 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(c) (and no adjustment to the Conversion Rate under this Section 14.04(c)
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 adjustment (if any is required) to the Conversion Rate shall be made under
this Section 14.04(c). 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). In addition, in the event of any distribution (or deemed distribution) of rights, options or warrants, or any Trigger Event or other event (of the type described in the immediately preceding sentence) with respect
thereto that was counted for purposes of calculating a distribution amount for which an adjustment to the Conversion Rate under this Section 14.04(c) was made, (1) in the case of any such rights, options or warrants that shall all have
been redeemed or purchased without exercise by any holders thereof, upon such final redemption or purchase (x) the Conversion Rate shall be readjusted as if such rights, options or warrants had not been issued and (y) the Conversion Rate
shall then again be readjusted to give effect to such distribution, deemed distribution or Trigger Event, as the case may be, as though it were a cash distribution, equal to the per share redemption or purchase price received by a holder or holders
of Common Stock with respect to such rights, options or warrants (assuming such holder had retained such rights, options or warrants), made to all holders of Common Stock as of the date of such redemption or purchase, and (2) in the case of
such rights, options or warrants that shall have expired or been terminated without exercise by any holders thereof, the Conversion Rate shall be readjusted as if such rights, options and warrants had not been issued. 

  
 49 








 For purposes of Section 14.04(a), Section 14.04(b) and this Section 14.04(c), if any dividend or
distribution to which this Section 14.04(c) is applicable also includes one or both of: 
 (A) a dividend or distribution of shares of Common Stock to
which Section 14.04(a) is applicable (the “Clause A Distribution”); or 
 (B) a dividend or distribution of rights, options or
warrants to which Section 14.04(b) is applicable (the “Clause B Distribution”), 
 then, in either case, (1) such dividend or
distribution, other than the Clause A Distribution and the Clause B Distribution, shall be deemed to be a dividend or distribution to which this Section 14.04(c) is applicable (the “Clause C Distribution”) and any Conversion
Rate adjustment required by this Section 14.04(c) with respect to such Clause C Distribution shall then be made, and (2) the Clause A Distribution and Clause B Distribution shall be deemed to immediately follow the Clause C Distribution
and any Conversion Rate adjustment required by Section 14.04(a) and Section 14.04(b) with respect thereto shall then be made, except that, if determined by the Company (I) the “Ex-Dividend
Date” of the Clause A Distribution and the Clause B Distribution shall be deemed to be the Ex-Dividend Date of the Clause C Distribution and (II) any shares of Common Stock included in the Clause A
Distribution or Clause B Distribution shall be deemed not to be “outstanding immediately prior to the open of business on such Ex-Dividend Date or Effective Date” within the meaning of
Section 14.04(a) or “outstanding immediately prior to the open of business on such Ex-Dividend Date” within the meaning of Section 14.04(b). 

(d) If any cash dividend or distribution is made to all or substantially all holders of the Common Stock, the Conversion Rate shall be adjusted based on the
following formula: 
  
 



 
 where, 
  

					
	CR0	  	=	  	the Conversion Rate in effect immediately prior to the open of business on the Ex-Dividend Date for such dividend or distribution;
			
	CR’	  	=	  	the Conversion Rate in effect immediately after the open of business on the Ex-Dividend Date for such dividend or distribution;
			
	SP0	  	=	  	the Last Reported Sale Price of the Common Stock on the Trading Day immediately preceding the Ex-Dividend Date for such dividend or distribution; and
			
	C	  	=	  	the amount in cash per share the Company distributes to all or substantially all holders of the Common Stock.

 Any increase pursuant to this Section 14.04(d) shall become effective immediately after the open of business on the Ex-Dividend Date for such dividend or distribution. If such dividend or distribution is not so paid, the Conversion Rate shall be decreased, effective as of the date the Board of Directors determines not to make or
pay such dividend or distribution, to be the Conversion Rate that would then be in effect if such dividend or distribution had not been declared. Notwithstanding the foregoing, if “C” (as defined above) is equal to or greater than “SP0” (as defined above), in lieu of the foregoing increase, each Holder of a Note shall receive, for each $1,000 principal amount of Notes it holds, at the same time and upon the same terms as
holders of shares of the Common Stock, the amount of cash that 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 such cash dividend or distribution. 
 (e) If the Company or any of its Subsidiaries make a payment in respect of a tender or exchange offer for
the Common Stock, 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: 

  
 50 








 



 
 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 Company) 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 adjustment to the Conversion Rate under this Section 14.04(e) 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 this
Section 14.04(e) shall be deemed replaced with such lesser number of Trading Days as have elapsed between the date that such tender or exchange offer expires and the Conversion Date in determining the Conversion Rate and (y) in respect of
any conversion of Notes for which Cash Settlement or Combination 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 this Section 14.04(e) shall be deemed replaced with such lesser number of Trading Days as have elapsed
between the expiration date of such tender or exchange offer and such Trading Day in determining the Conversion Rate as of such Trading Day. 
 (f)
Notwithstanding this Section 14.04 or any other provision of this Indenture or the Notes, if a Conversion Rate adjustment becomes effective on any Ex-Dividend Date, and a Holder that has converted its
Notes on or after such Ex-Dividend Date and on or prior to the related Record Date would be treated as the record holder of the shares of Common Stock as of the related Conversion Date as described under
Section 14.02(i) based on an adjusted Conversion Rate for such Ex-Dividend Date, then, notwithstanding the Conversion Rate adjustment provisions in this Section 14.04, the Conversion Rate adjustment
relating to such Ex-Dividend Date shall not be made for such converting Holder. Instead, such Holder shall be treated as if such Holder were the record owner of the shares of Common Stock on an unadjusted basis and participate in the related
dividend, distribution or other event giving rise to such adjustment. If the Company is obligated to purchase Common Stock pursuant to any such tender or exchange offer described in this Section 14.04(f) but is permanently prevented by
applicable law from effecting any such purchase or all such purchases are rescinded, the Conversion Rate will be readjusted to be the Conversion Rate that would then be in effect if such tender or exchange offer had not been made or had been made
only in respect of the purchases that have been effected. 

  
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 (g) Except as stated herein, the Company shall not adjust the Conversion Rate for the issuance of shares of the
Common Stock or any securities convertible into or exchangeable for shares of the Common Stock or the right to purchase shares of the Common Stock or such convertible or exchangeable securities. 

(h) In addition to those adjustments required by clauses (a), (b), (c), (d) and (e) of this Section 14.04, 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 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, the Trustee and
the Conversion Agent (if other than the Trustee) 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. 
 (i) Notwithstanding anything to the contrary in this Article 14, the Conversion Rate shall not be adjusted: 

(1) upon the issuance of any shares of Common Stock pursuant to any present or future plan providing for the reinvestment of dividends or interest payable on
the Company’s securities and the investment of additional optional amounts in shares of Common Stock under any plan; 
 (2) 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 or incentive plan or program of or assumed by the Company or any of the Company’s Subsidiaries; 

(3) 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; 
 (4) upon the repurchase of shares of Common
Stock pursuant to an open-market share repurchase program or other buy-back transaction (including, without limitation, through any structured or derivative transactions such as accelerated share repurchase
derivatives) that is not a tender offer or exchange offer of the nature described in Section 14.04(e); 
 (5) solely for a change in the par value of
the Common Stock; or 
 (6) for accrued and unpaid Special Interest, if any. 

(j) The Company shall not be required to make an adjustment pursuant to clauses (a), (b), (c), (d) or (e) of this Section 14.04 unless such
adjustment would result in a change of at least 1% of the then effective Conversion Rate. However, the Company shall carry forward any adjustment that the Company would otherwise have to make and take that adjustment into account in any subsequent
adjustment. Notwithstanding the foregoing, all such carried-forward adjustments shall be made with respect to the Notes (i) when the aggregate of all such carried-forward adjustments equals or exceeds 1% of the Conversion Rate and
(ii) regardless of whether the aggregate adjustment is less than 1% of the Conversion Rate, (x) on the Conversion Date for any Notes (in the case of Physical Settlement) and (y) on each Trading Day of any
Observation Period (in the case of Cash Settlement or Combination Settlement). 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.

 (k) 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 Officer’s 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


  
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Officer of the Trustee shall have received such Officer’s 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. 

(l) For purposes of this Section 14.04, 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. 
 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, the Daily Conversion Values or the Daily Settlement Amounts over a span of multiple days (including, without limitation, an Observation Period and the
period, if any, for determining the Stock Price for purposes of a Make-Whole Fundamental Change), the Company 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 of the event occurs, at any time during the period when the Last Reported Sale Prices, the Daily
VWAPs, the Daily Conversion Values or the Daily Settlement Amounts are to be calculated. 
 Section 14.06. Shares to Be Fully Paid. The Company
shall use its commercially reasonable efforts to 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 delivery of the maximum number of Additional Shares pursuant to Section 14.03 and 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 is 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 or combination 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 “Merger Event”), then, at and after the effective time of such Merger 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 Merger 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 Merger Event and, prior to or at the effective time of such Merger 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 Merger Event
(A) the Company shall continue to 

  
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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 received in such Merger Event and (III) the Daily VWAP shall be
calculated based on the value of a unit of Reference Property. 
 If the Merger 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 (x) the weighted
average of the types and amounts of consideration received by the holders of Common Stock that affirmatively make such an election or (y) if no holders of Common Stock affirmatively make such an election, 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 Merger Event, then for all conversions that occur after the effective date of such Merger 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 (as may be increased by any Additional Shares pursuant to Section 14.03), multiplied by the price paid per share of Common Stock in
such Merger 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. The Company shall notify Holders, the Trustee and
the Conversion Agent (if other than the Trustee) of such weighted average as soon as practicable after such determination is made. 
 Such supplemental
indenture described in the second immediately preceding paragraph shall provide for anti-dilution and other adjustments that shall be as nearly equivalent as is possible to the adjustments provided for in this Article 14. If, in the case of any
Merger 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 Company or the successor or purchasing corporation, as the case may be, in
such Merger Event, and such Person is a party to such Merger Event, then such supplemental indenture shall also be executed by such other Person and shall contain such additional provisions to protect the interests of the Holders of the Notes as the
Board of Directors shall reasonably consider necessary by reason of the foregoing, including the provisions providing for the purchase rights 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 Officer’s 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 Merger Event, any adjustment to be made with
respect thereto and that all conditions precedent have been complied with, and shall promptly deliver or cause to be delivered 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) None of the foregoing provisions shall affect the right of a holder of Notes to convert its Notes into cash, shares of Common Stock or a combination of
cash and shares of Common Stock, as applicable, as set forth in Section 14.01 and Section 14.02 prior to the effective date of such Merger Event. 

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

(e) Upon the consummation of any Merger Event, references to “Common Stock” shall be deemed to refer to any Reference Property that constitutes
capital stock after giving effect to such Merger Event. 
 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. 

  
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 (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 conclusively relying upon, the Officer’s
Certificate (which the Company shall be obligated to file with the Trustee prior to the execution of any such supplemental indenture) with respect thereto. Neither the Trustee nor the Conversion Agent shall be responsible for determining whether any
event contemplated by Section 14.01(b) has occurred that makes the Notes eligible for conversion or no longer eligible therefor until the Company has delivered to the Trustee and the Conversion Agent the notices referred to in
Section 14.01(b) with respect to the commencement or termination of such conversion rights, on which notices the Trustee and the Conversion Agent may conclusively rely, and the Company agrees to deliver such notices to the Trustee and the
Conversion Agent immediately after the occurrence of any such event or at such other times as shall be provided for in Section 14.01(b). Except as otherwise expressly provided herein, neither the Trustee nor any other agent acting under this
Indenture (other than the Company, if acting in such capacity) shall have any obligation to make any calculation or to determine whether the Notes may be surrendered for conversion pursuant to this Indenture, or to notify the Company or the
Depositary or any of the Holders if the Notes have become convertible pursuant to the terms of this Indenture. 
 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 14.04 or Section 14.11; 
 (b) Merger Event (other than with respect to any Merger Event pursuant to which the
Company is required to provide notice pursuant to Section 14.01(b)(iii), in which case notice shall be given pursuant to that section); 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 cause to be filed with the Trustee and the Conversion Agent (if other than the Trustee) and to be delivered to each
Holder, as promptly as possible but in any event at least 20 days prior to the applicable date 

  
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hereinafter specified, 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 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 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, 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 so that the Holders would not be entitled to receive any rights in respect of
Common Stock, if any, issuable upon conversion of the Notes, the Conversion Rate shall be adjusted 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(c), subject to readjustment in the event of the expiration, termination or redemption of such rights. 
 Section 14.12.
Exchange In Lieu Of Conversion. (a) When a Holder surrenders its Notes for conversion, the Company may, at its election, direct the Conversion Agent to surrender, on or prior to the close of business on the Business Day following the
relevant Conversion Date, such Notes to a financial institution designated by the Company (the “Designated Institution”) for exchange in lieu of conversion (an “Exchange Election”). In order to accept any Notes
surrendered for conversion for exchange in lieu of conversion, the Designated Institution must agree to timely deliver, in exchange for such Notes, the cash, shares of Common Stock or combination of cash and Common Stock, at the Company’s
election, that would otherwise be due upon conversion (the “Conversion Consideration”) as described in Section 14.02 above. If the Company makes the election described above, the Company shall, by the close of business on the
Business Day following the relevant Conversion Date, notify the Holder surrendering Notes for conversion, the Trustee and the Conversion Agent (if other than the Trustee), that it has made such election, and the Company shall concurrently notify the
Designated Institution of the relevant deadline for delivery of the Conversion Consideration; provided that if the Company elects Physical Settlement in respect of its Conversion Obligation, it shall so notify the converting Holders and the
Designated Financial Institution on or prior to the close of business on the Business Day following the relevant Conversion Date. Any Notes exchanged by the Designated Institution will remain outstanding, subject to applicable procedures of the
Depositary. 
 (b) If the Designated Institution agrees to accept any Notes for exchange but does not timely deliver the related Conversion Consideration to
the Conversion Agent, or if the Designated Institution does not accept such Notes for exchange, the Company shall, within the time period specified in Section 14.02(c), deliver the Conversion Consideration in accordance with the provisions of
Section 14.02. 
 (c) For the avoidance of doubt, in no event will the Company’s designation of a Designated Institution pursuant to this
Section 14.12 require the Designated Institution to accept any Notes for exchange. 
 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 prior to the Maturity
Date, 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 properly surrendered and not validly withdrawn pursuant to Section 15.03
that is equal to $1,000 or a multiple of $1,000, 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 

  
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equal to 100% of the principal amount thereof, plus any accrued and unpaid Special Interest thereon to, but excluding, the Fundamental Change Repurchase Date (the “Fundamental
Change Repurchase Price”), unless the Fundamental Change Repurchase Date falls after a Special Interest Record Date but on or prior to the Special Interest Payment Date to which such Special Interest Record Date relates, in which case the
Company shall instead pay the full amount of any accrued and unpaid Special Interest to Holders of record as of such Special Interest 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 
 (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 portion of the principal amount of Notes to be repurchased, which must be $1,000 or a 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 immediately preceding 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. Each Fundamental Change Company Notice shall specify: 

(i) the events causing the Fundamental Change; 
 (ii) the
effective date of the Fundamental Change; 

  
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 (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 as a result of such Fundamental Change (or related Make-Whole Fundamental
Change); 
 (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 request, given at least five days prior to the date the Fundamental Change Company Notice is to be sent, 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. 
 (e) The Company shall not be required to make an offer to repurchase Notes upon the occurrence of a Fundamental Change otherwise required
under this Section 15.02 if a third party makes an offer to purchase Notes in a manner, at the times and otherwise in compliance with the requirements set forth in this Indenture applicable to such an offer by the Company and such third party
purchases all Notes properly tendered and not validly withdrawn under such offer to purchase. 
 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 received by 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 principal
amount of the Notes with respect to which such notice of withdrawal is being submitted, which must be $1,000 or a multiple thereof, 
 (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 principal amounts of $1,000 or a multiple of $1,000; 

  
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 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 in accordance with the provisions of this Indenture, (i) such Notes will cease to be outstanding, (ii) Special Interest, if and to the extent
that any such accrued and unpaid Special Interest exists as of such date 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). 

(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 in principal amount to 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 applicable provisions of the 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.

 ARTICLE 16 
 OPTIONAL
REDEMPTION 
 Section 16.01. Optional Redemption. The Notes shall not be redeemable by the Company prior to September 20, 2020. On or after
September 20, 2020, the Company may redeem (an “Optional Redemption”) for cash all or any portion of the Notes, at the Redemption Price, if the Last Reported Sale Price of the Common Stock has been at least 130% of the
Conversion Price then in effect for at least 20 Trading Days (whether or not consecutive) during any 30 consecutive Trading Day period (including the last trading day of such period) ending not more than three Trading Days preceding the date on
which the Company provides the Redemption Notice in accordance with Section 16.02. 

  
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 Section 16.02. Notice of Optional Redemption; Selection of Notes. (a) In case the Company
exercises its Optional Redemption right to redeem all or, as the case may be, any part of the Notes pursuant to Section 16.01, it shall fix a date for redemption (each, a “Redemption Date”) and it or, at its written request
received by the Trustee not less than 5 Business Days prior to the date such Redemption Notice is to be sent (or such shorter period of time as may be acceptable to the Trustee), the Trustee, in the name of and at the expense of the Company, shall
deliver or cause to be delivered a notice of such Optional Redemption (a “Redemption Notice”) not less than 55 nor more than 70 calendar days prior to the Redemption Date to each Holder of Notes so to be redeemed as a whole or in
part; provided, however, that any Redemption Notice Date must be at least one calendar day prior to the first Scheduled Trading Day of any related Observation Period; provided further that, if the Company shall give such notice, it
shall also give written notice of the Redemption Date to the Trustee. The Redemption Date must be a Business Day. 
 (b) The Redemption Notice, if delivered
in the manner herein provided, shall be conclusively presumed to have been duly given, whether or not the Holder receives such notice. In any case, failure to give such Redemption Notice or any defect in the Redemption Notice to the Holder of any
Note designated for redemption as a whole or in part shall not affect the validity of the proceedings for the redemption of any other Note. 
 (c) Each
Redemption Notice shall specify: 
 (i) the Redemption Date; 

(ii) the Redemption Price; 
 (iii) that on the Redemption Date,
the Redemption Price will become due and payable upon each Note to be redeemed, and that Special Interest thereon, if any, shall cease to accrue on and after the Redemption Date; 

(iv) the place or places where such Notes are to be surrendered for payment of the Redemption Price; 

(v) that Holders may surrender their Notes for conversion at any time prior to the close of business on the Scheduled Trading Day immediately preceding the
Redemption Date; 
 (vi) the procedures a converting Holder must follow to convert its Notes and the Settlement Method; 

(vii) the Conversion Rate and, if applicable, the number of Additional Shares added to the Conversion Rate in accordance with Section 14.03; 

(viii) the CUSIP, ISIN or other similar numbers, if any, assigned to such Notes; and 

(ix) in case any Note is to be redeemed in part only, the portion of the principal amount thereof to be redeemed and on and after the Redemption Date, upon
surrender of such Note, a new Note in principal amount equal to the unredeemed portion thereof shall be issued, which principal amount must be $1,000 or a multiple thereof. 

A Redemption Notice shall be irrevocable. 
 (d) If fewer than
all of the outstanding Notes are to be redeemed, the Notes to be redeemed will be selected according to the Depositary’s applicable procedures, in the case of Notes represented by a Global Note, or, in the case of Notes represented by Physical
Notes, by lot, on a pro rata basis or by another method the Trustee deems to be appropriate and fair. If any Note selected for partial redemption 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 redemption. 
 Section 16.03. Payment of Notes
Called for Redemption. (a) If any Redemption Notice has been given in respect of the Notes in accordance with Section 16.02, the Notes shall become due and payable on the Redemption Date at the place or places stated in the Redemption
Notice and at the applicable Redemption Price. On presentation and surrender of the Notes at the place or places stated in the Redemption Notice, the Notes shall be paid and redeemed by the Company at the applicable Redemption Price. 

  
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 (b) Prior to 11:00 a.m. New York City time on the Redemption Date, the Company shall deposit with the Paying
Agent or, if the Company or a Subsidiary of the Company is acting as the Paying Agent, shall segregate and hold in trust as provided in Section 7.05 an amount of cash (in immediately available funds if deposited on the Redemption Date),
sufficient to pay the Redemption Price of all of the Notes to be redeemed on such Redemption Date. Subject to receipt of funds by the Paying Agent, payment for the Notes to be redeemed shall be made on the Redemption Date for such Notes. The Paying
Agent shall, promptly after such payment and upon written demand by the Company, return to the Company any funds in excess of the Redemption Price. 

Section 16.04. Restrictions on Redemption. The Company may not redeem any Notes on any date if the principal amount of the Notes has been
accelerated in accordance with the terms of this Indenture, and such acceleration has not been rescinded, on or prior to the Redemption Date (except in the case of an acceleration resulting from a Default by the Company in the payment of the
Redemption Price with respect to such 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 filed by the Company with the Trustee) to RingCentral, Inc.,
[                            ], Attention:
[            ]. 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 or sent electronically in PDF format. 

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. 

  
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 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. 

Section 17.05. Evidence of Compliance with Conditions Precedent; Certificates and Opinions of Counsel to Trustee. Upon any
application or demand by the Company to the Trustee to take any action under any of the provisions of this Indenture, the Company shall furnish to the Trustee an Officer’s Certificate and, if requested by the Trustee, an Opinion of Counsel
stating that such action is permitted by the terms of this Indenture; provided that no Opinion of Counsel shall be required to be delivered in connection with a request by the Company that the Trustee deliver a notice to Holders under the
Indenture where the Trustee receives an Officer’s Certificate with respect to such notice. With respect to matters of fact, an Opinion of Counsel may rely on an Officer’s Certificate or certificates of public officials. 

Each Officer’s 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 Officer’s 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 and that all conditions precedent thereto have been complied with. 
 Notwithstanding anything to the contrary in this
Section 17.05, if any provision in this Indenture specifically provides that the Trustee shall or may receive an Opinion of Counsel in connection with any action to be taken by the Trustee or the Company hereunder, the Trustee shall be entitled
to such Opinion of Counsel. 
 Section 17.06. Legal Holidays. In any case where any Special Interest Payment Date, Fundamental Change
Repurchase Date or Maturity Date is not a Business Day, then any action to be taken on such date need not be taken on such date, but may be taken on the next succeeding Business Day with the same force and effect as if taken on such date, and no
Special Interest, if any and to the extent any Special Interest is otherwise payable on such date, 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 Signatory

 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. 

  
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 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, nuclear or natural catastrophes or acts of God, and interruptions, loss or malfunctions of utilities, communications or computer (software and hardware) services; 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 Stock Price, the Last Reported Sale Prices of the Common Stock, the Trading Prices of the Notes (for purposes of Section 14.01(b)(i)) the Daily VWAPs, the
Daily Conversion Values, the Daily Settlement Amounts, any accrued and Special Interest payable on the Notes, the Conversion Rate and the Conversion Price 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 Company 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. 
 Section 17.16. U.S.A. PATRIOT Act. The parties hereto acknowledge that in accordance with
Section 326 of the U.S.A. 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 U.S.A. Patriot Act. 
 [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. 
  

			
	RINGCENTRAL, INC.
		
	By:	 	 /s/ Mitesh Dhruv

	Name:	 	Mitesh Dhruv
	Title:	 	Chief Financial Officer


 
			
	
	U.S. BANK NATIONAL ASSOCIATION, as Trustee


 
			
		
	By:	 	 /s/ Paula Oswald

	Name:	 	Paula Oswald
	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
SECURITY] 
 [THIS SECURITY AND THE CLASS A 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, AND 
 (2) AGREES FOR THE BENEFIT OF
RINGCENTRAL, INC. (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 
 (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 TRUSTEE RESERVE THE RIGHT TO REQUIRE THE DELIVERY OF SUCH LEGAL OPINIONS, CERTIFICATIONS OR OTHER EVIDENCE AS MAY REASONABLY BE REQUIRED IN ORDER FOR THE COMPANY 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-1 








 RingCentral, Inc. 

0% Convertible Senior Note due 2023 
  

					
	No. RA-[●]	  		  	Initially $[●]

 CUSIP No. [                ]1 
 RingCentral, Inc., 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., or registered assigns,
the principal sum as set forth in the “Schedule of Exchanges of Notes” attached hereto, which amount, taken together with the principal amounts of all other outstanding Notes, shall not, unless permitted by the Indenture, exceed
$400,000,000 (as increased by an amount equal to the aggregate principal amount of any additional Notes purchased by the Initial Purchasers pursuant to the exercise of their option to purchase additional Notes as set forth in the Purchase Agreement)
in aggregate at any time, in accordance with the rules and procedures of the Depositary, on March 15, 2023, and interest, if any, thereon as set forth below. 

This Note shall bear no regular cash interest, and the principal amount of this Note shall not accrete. Any interest on this Note 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. Any Special Interest is payable semi-annually in arrears on each March 15 and September 15, commencing on September 15, 2018 (if Special Interest is then payable), to Holders of
record at the close of business on the preceding March 1 and September 1 (whether or not such day is a Business Day), respectively. Any Special Interest will be payable as set forth in Section 4.06(d), Section 4.06(e) and
Section 6.03 of the within-mentioned Indenture, and any reference to interest on, or in respect of, any Note therein shall be deemed to refer solely to Special Interest if, in such context, Special Interest is, was or would be payable pursuant
to any of such Section 4.06(d), Section 4.06(e) or Section 6.03 or any interest on any Defaulted Amounts payable as set forth in Section 2.03(c) in the within-mentioned Indenture. 

Any Defaulted Amounts shall not accrue interest unless Special Interest was payable on the required payment date, in which case such payments shall accrue
interest per annum at the then-applicable Special Interest rate, from, and including, such 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 interest, if any, on this Note, if and so long as such Note is a Global
Note, in immediately available funds in lawful money of the United States at the time 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 its Corporate Trust Office in the United States of America, as a place where Notes may be presented for payment or for registration of transfer and exchange. 

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, shares of Common Stock or a combination of cash and 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. 
  

	1 	This Note will be deemed to be identified by CUSIP No. 76680R AD9 from and after such time when the Company delivers, pursuant to Section 2.05(c) of the within-mentioned Indenture, written notice to the Trustee of the
occurrence of the Resale Restriction Termination Date and the removal of the restrictive legend affixed to this Note in accordance with the applicable procedures of the Depositary. 


  
 A-2 








 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 by the Trustee or a duly authorized authenticating agent under the Indenture. 
 [Remainder of page intentionally left blank]


  
 A-3 








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

 

			
	RINGCENTRAL, INC.


 
			
		
	By:	 	  

	Name:	 	
	Title:	 	


 Dated: 
 TRUSTEE’S
CERTIFICATE OF AUTHENTICATION 
  

			
	 U.S. BANK NATIONAL ASSOCIATION
 as
Trustee, certifies that this is one of the Notes described in the within-named Indenture.

		
	By:	 	  

		 	Authorized Signatory


  
 A-4 








 [FORM OF REVERSE OF NOTE] 

RingCentral, Inc. 
 0% Convertible
Senior Note due 2023 
 This Note is one of a duly authorized issue of Notes of the Company, designated as its 0% Convertible Senior Notes due 2023 (the
“Notes”), initially limited to the aggregate principal amount of $400,000,000 (as increased by an amount equal to the aggregate principal amount of any additional Notes purchased by the Initial Purchasers pursuant to the exercise of
their option to purchase additional Notes as set forth in the Purchase Agreement) all issued or to be issued under and pursuant to an Indenture dated as of March 5, 2018 (the “Indenture”), between the Company and U.S. Bank National
Association (the “Trustee”), to which Indenture and all indentures supplemental thereto reference is hereby made for a description of the rights, limitations of rights, obligations, duties and immunities thereunder of the Trustee,
the Company and the Holders of the Notes. Additional Notes may be issued in an unlimited aggregate principal amount, subject to certain conditions specified in the Indenture. 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, as defined in the Indenture, shall have occurred and be
continuing, the principal of, and Special 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, the Redemption Price on the Redemption Date and the principal amount on the Maturity Date,
as the case may be, to the Holder who surrenders a Note to a Paying Agent to collect such payments in respect of the Note. The Company will pay cash amounts in money of the United States that at the time of payment is legal tender for payment of
public and private debts. 
 The Indenture contains provisions permitting the Company and the Trustee in certain circumstances, without the consent of the
Holders of the Notes, and in 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. 
 No
reference herein to the Indenture and no provision of this Note or of the Indenture shall alter or impair the obligation of the Company, which is absolute and unconditional, to pay or deliver, as the case may be, the principal (including the
Redemption Price and the Fundamental Change Repurchase Price, if applicable) of, any accrued and unpaid interest on, and the consideration due upon conversion of, this Note at the place, at the respective times, at the rate and in the lawful money
herein prescribed. 
 The Notes are issuable in registered form without coupons in denominations of $1,000 principal amount and multiples thereof. At the
office or agency of the Company referred to on the face hereof, and in the manner and subject to the limitations provided in the Indenture, 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 shall be
redeemable at the Company’s option on or after September 20, 2020, in accordance with the terms and subject to the conditions specified in the Indenture. No sinking fund is provided for the Notes 

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 $1,000 or multiples thereof) on the Fundamental Change Repurchase Date at a price equal to the Fundamental Change Repurchase Price. 

  
 A-5 








 Subject to the provisions of the Indenture, the Holder hereof has the right, at its option, during certain
periods and upon the occurrence of certain conditions specified in the Indenture, prior to the close of business on the Scheduled Trading Day immediately preceding the Maturity Date, to convert any Notes or portion thereof that is $1,000 or a
multiple thereof, into cash, shares of Common Stock or a combination of cash and shares of Common Stock, as applicable, at the Conversion Rate specified in the Indenture, as adjusted from time to time as provided in the Indenture. 

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

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-6 








 SCHEDULE A 

SCHEDULE OF EXCHANGES OF NOTES 

RingCentral, Inc. 
 0% Convertible
Senior Notes due 2023 
 The initial principal amount of this Global Note is [●] DOLLARS ($[●]). The following increases or decreases in this
Global Note have been made: 
  

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

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  

	  
	  	  
	  	  
	  	  
	  	  



  
 A-7 








 ATTACHMENT 1 

[FORM OF NOTICE OF CONVERSION] 
 To: RingCentral,
Inc. 
 To: U.S. Bank National Association 
 633 West Fifth
Street, 24th Floor 
 Los Angeles, CA 90071 
 Attn: P. Oswald
(RingCentral, Inc.) 
 The undersigned registered owner of this Note hereby exercises the option to convert this Note, or the portion hereof (that is $1,000
principal amount or a multiple thereof) below designated, into cash, shares of Common Stock or a combination of cash and 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.	 		  		  	
				
	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)	 		  		  	


  
 A-8 









			
	  
	 	
	                            	 	
	(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


  
 A-9 








 ATTACHMENT 2 

[FORM OF FUNDAMENTAL CHANGE REPURCHASE NOTICE] 

To: RingCentral, Inc. 
 To: U.S. Bank National Association 

633 West Fifth Street, 24th Floor 
 Los Angeles, CA 90071 

Attn: P. Oswald (RingCentral, Inc.) 
 The undersigned registered
owner of this Note hereby acknowledges receipt of a notice from RingCentral, Inc. (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 entire principal amount of this Note, or the portion thereof (that is $1,000
principal amount or a multiple thereof) below designated, and (2) if such Fundamental Change Repurchase Date does not fall during the period after a Special Interest Record Date and on or prior to the corresponding Special Interest Payment
Date, accrued and unpaid Special Interest, if any, 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 repurchased (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.


  
 A-10 








 ATTACHMENT 3 

[FORM OF ASSIGNMENT AND TRANSFER] 
 U.S. Bank
National Association 
 633 West Fifth Street, 24th Floor 
 Los
Angeles, CA 90071 
 Attn: P. Oswald (RingCentral, Inc.) 
 For
value received                            hereby sell(s), assign(s) and transfer(s) unto
                        (Please insert social security or Taxpayer Identification Number of assignee) the within Note, and hereby
irrevocably constitutes and appoints
                                     attorney to transfer the said
Note on the books of the Company, with full power of substitution in the premises. 
 In connection with any transfer of the within Note occurring prior to
the Resale Restriction Termination Date, as defined in the Indenture governing such Note, the undersigned confirms that such Note is being transferred: 
  

	☐	To RingCentral, Inc. 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. 


 

					
	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.	  		  	


  
 A-11