Document:

EX-4.10

 EXHIBIT 4.10 

KURA ONCOLOGY, INC. 

and 

            , AS WARRANT AGENT 

FORM OF DEBT SECURITIES 

WARRANT AGREEMENT 
 DATED
AS OF [        ], 20

 KURA ONCOLOGY, INC. 

FORM OF DEBT SECURITIES WARRANT AGREEMENT 

DEBT SECURITIES WARRANT AGREEMENT (this “Agreement”), dated as
of             between KURA ONCOLOGY, INC., a Delaware corporation (the “Company”),
and                 , a [corporation] [national banking association] organized and existing under the laws
of                 and having a corporate trust office in                 , as warrant
agent (the “Warrant Agent”). 
 WHEREAS, the Company has entered into an indenture dated as of
[                 (the “Senior Indenture”), with
                , as trustee (such trustee, and any successors to such trustee, herein called the “Senior Trustee”), providing for the issuance
from time to time of its unsubordinated debt securities, to be issued in one or more series as provided in the Senior Indenture (the “Debt Securities”);]
[                 (the “Subordinated Indenture”),
with                 , as trustee (such trustee, and any successors to such trustee, herein called the “Subordinated Trustee”), providing for the
issuance from time to time of its subordinated debt securities, to be issued in one or more series as provided in the Subordinated Indenture (the “Debt Securities”);] 

WHEREAS, the Company proposes to sell [If Warrants are sold with other securities—title of such other securities being offered
(the “Other Securities”) with] warrant certificates evidencing one or more warrants (the “Warrants” or, individually, a “Warrant”) representing the right to purchase [title of
Debt Securities purchasable through exercise of Warrants] (the “Warrant Debt Securities”), such warrant certificates and other warrant certificates issued pursuant to this Agreement being herein called the “Warrant
Certificates”; and 
 WHEREAS, the Company desires the Warrant Agent to act on behalf of the Company, and the Warrant
Agent is willing so to act, in connection with the issuance, registration, transfer, exchange, exercise and replacement of the Warrant Certificates, and in this Agreement wishes to set forth, among other things, the form and provisions of the
Warrant Certificates and the terms and conditions on which they may be issued, registered, transferred, exchanged, exercised and replaced. 

NOW, THEREFORE, in consideration of the premises and of the mutual agreements herein contained, the parties hereto agree as follows:

 ARTICLE 1 

ISSUANCE OF WARRANTS AND EXECUTION AND DELIVERY OF WARRANT CERTIFICATES 

1.1 Issuance of Warrants. [If Warrants alone—Upon issuance, each Warrant Certificate shall evidence one or more Warrants.]
[If Other Securities and Warrants—Warrant Certificates shall be [initially] issued in connection with the issuance of the Other Securities [but shall be separately transferable on and after (the “Detachable Date”)] [and
shall not be separately transferable] and each Warrant Certificate shall evidence one or more Warrants.] Each Warrant evidenced thereby shall represent the right, subject to the provisions contained herein and therein, to purchase one Warrant Debt
Security. [If Other Securities and Warrants—Warrant Certificates shall be initially issued in units with the Other Securities and each Warrant Certificate included in such a unit shall evidence
                Warrants for each [$                 principal amount]
[                 shares] of Other Securities included in such unit]. 

1.2 Execution and Delivery of Warrant Certificates. Each Warrant Certificate, whenever issued, shall be in registered form
substantially in the form set forth in Exhibit A hereto, shall be dated the date of its countersignature by the Warrant Agent and may have such letters, numbers, or other marks of identification or designation and such legends or
endorsements printed, lithographed or engraved thereon as the officers of the Company executing the same may approve (execution thereof to be conclusive evidence of such approval) and as are not inconsistent with the provisions of this Agreement, 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 on which the Warrants may be listed, or to conform to usage. The Warrant Certificates
shall be signed on behalf of the Company by any of its present or future chief executive officers, presidents, senior vice presidents, vice presidents, chief 

  
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financial officers, chief legal officers, treasurers, assistant treasurers, controllers, assistant controllers, secretaries or assistant secretaries under its corporate seal reproduced thereon.
Such signatures may be manual or facsimile signatures of such authorized officers and may be imprinted or otherwise reproduced on the Warrant Certificates. The seal of the Company may be in the form of a facsimile thereof and may be impressed,
affixed, imprinted or otherwise reproduced on the Warrant Certificates. 
 No Warrant Certificate shall be valid for any purpose, and no
Warrant evidenced thereby shall be exercisable, until such Warrant Certificate has been countersigned by the manual signature of the Warrant Agent. Such signature by the Warrant Agent upon any Warrant Certificate executed by the Company shall be
conclusive evidence that the Warrant Certificate so countersigned has been duly issued hereunder. 
 In case any officer of the Company who
shall have signed any of the Warrant Certificates either manually or by facsimile signature shall cease to be such officer before the Warrant Certificates so signed shall have been countersigned and delivered by the Warrant Agent, such Warrant
Certificates may be countersigned and delivered notwithstanding that the person who signed Warrant Certificates ceased to be such officer of the Company; and any Warrant Certificate may be signed on behalf of the Company by such persons as, at the
actual date of the execution of such Warrant Certificate, shall be the proper officers of the Company, although at the date of the execution of this Agreement any such person was not such officer. 

The term “holder” or “holder of a Warrant Certificate” as used herein shall mean any person in whose name at the time any
Warrant Certificate shall be registered upon the books to be maintained by the Warrant Agent for that purpose [If Other Securities and Warrants are not immediately detachable—or upon the registration of the Other Securities prior to the
Detachable Date. Prior to the Detachable Date, the Company will, or will cause the registrar of the Other Securities to, make available at all times to the Warrant Agent such information as to holders of the Other Securities as may be necessary to
keep the Warrant Agent’s records up to date]. 
 1.3 Issuance of Warrant Certificates. Warrant Certificates evidencing the
right to purchase Warrant Debt Securities may be executed by the Company and delivered to the Warrant Agent upon the execution of this Warrant Agreement or from time to time thereafter. The Warrant Agent shall, upon receipt of Warrant Certificates
duly executed on behalf of the Company, countersign such Warrant Certificates and shall deliver such Warrant Certificates to or upon the order of the Company. 

ARTICLE 2 
 WARRANT
PRICE, DURATION AND EXERCISE OF WARRANTS 
 2.1 Warrant Price. During the period specified in Section 2.2, each Warrant
shall, subject to the terms of this Warrant Agreement and the applicable Warrant Certificate, entitle the holder thereof, to purchase the principal amount of Warrant Debt Securities specified in the applicable Warrant Certificate at an exercise
price of             % of the principal amount thereof [plus accrued amortization, if any, of the original issue discount of the Warrant Debt Securities] [plus accrued interest, if any,
from the most recent date from which interest shall have been paid on the Warrant Debt Securities or, if no interest shall have been paid on the Warrant Debt Securities, from the date of their initial issuance.] [The original issue discount
($             for each $1,000 principal amount of Warrant Debt Securities) will be amortized at a             % annual
rate, computed on a[n] [semi-] annual basis [using a 360-day year consisting of twelve 30-day months].] Such purchase price for the Warrant Debt Securities is referred to in this Agreement as the “Warrant Price.” 

2.2 Duration of Warrants. Each Warrant may be exercised in whole or in part at any time, as specified herein, on or after [the
date thereof] [            ] and at or before [            ] p.m., [City] time,
on             or such later date as the Company may designate by notice to the Warrant Agent and the holders of Warrant Certificates mailed to their addresses as set forth in the record
books of the Warrant Agent (the “Expiration Date”). Each Warrant not exercised at or before [            ] p.m., [City] time, on the Expiration Date shall become
void, and all rights of the holder of the Warrant Certificate evidencing such Warrant under this Agreement shall cease. 

2.3 Exercise Of Warrants. 

  
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 (a) During the period specified in Section 2.2, the Warrants may be
exercised to purchase a whole number of Warrant Debt Securities in registered form by providing certain information as set forth on the reverse side of the Warrant Certificate and by paying in full, in lawful money of the United States of America,
[in cash or by certified check or official bank check in New York Clearing House funds] [by bank wire transfer in immediately available funds] the Warrant Price for each Warrant Debt Security with respect to which a Warrant is being exercised to the
Warrant Agent at its corporate trust office, provided that such exercise is subject to receipt within five business days of such payment by the Warrant Agent of the Warrant Certificate with the form of election to purchase Warrant Debt Securities
set forth on the reverse side of the Warrant Certificate properly completed and duly executed. The date on which payment in full of the Warrant Price is received by the Warrant Agent shall, subject to receipt of the Warrant Certificate as aforesaid,
be deemed to be the date on which the Warrant is exercised; provided, however, that if, at the date of receipt of such Warrant Certificates and payment in full of the Warrant Price, the transfer books for the Warrant Debt Securities purchasable upon
the exercise of such Warrants shall be closed, no such receipt of such Warrant Certificates and no such payment of such Warrant Price shall be effective to constitute the person so designated to be named as the holder of record of such Warrant Debt
Securities on such date, but shall be effective to constitute such person as the holder of record of such Warrant Debt Securities for all purposes at the opening of business on the next succeeding day on which the transfer books for the Warrant Debt
Securities purchasable upon the exercise of such Warrants shall be opened, and the certificates for the Warrant Debt Securities in respect of which such Warrants are then exercised shall be issuable as of the date on such next succeeding day on
which the transfer books shall next be opened, and until such date the Company shall be under no duty to deliver any certificate for such Warrant Debt Securities. The Warrant Agent shall deposit all funds received by it in payment of the Warrant
Price in an account of the Company maintained with it and shall advise the Company by telephone at the end of each day on which a payment for the exercise of Warrants is received of the amount so deposited to its account. The Warrant Agent shall
promptly confirm such telephone advice to the Company in writing. 
 (b) The Warrant Agent shall, from time to time, as promptly
as practicable, advise the Company of (i) the number of Warrant Debt Securities with respect to which Warrants were exercised, (ii) the instructions of each holder of the Warrant Certificates evidencing such Warrants with respect to
delivery of the Warrant Debt Securities to which such holder is entitled upon such exercise, (iii) delivery of Warrant Certificates evidencing the balance, if any, of the Warrants for the remaining Warrant Debt Securities after such exercise,
and (iv) such other information as the Company or the [Senior] [Subordinated] Trustee shall reasonably require. 
 (c) As
soon as practicable after the exercise of any Warrant, the Company shall issue, pursuant to the Indenture, in authorized denominations, to or upon the order of the holder of the Warrant Certificate evidencing such Warrant, the Warrant Debt
Securities to which such holder is entitled, in fully registered form, registered in such name or names as may be directed by such holder. If fewer than all of the Warrants evidenced by such Warrant Certificate are exercised, the Company shall
execute, and an authorized officer of the Warrant Agent shall manually countersign and deliver, a new Warrant Certificate evidencing Warrants for the number of Warrant Debt Securities remaining unexercised. 

(d) The Company shall not be required to pay any stamp or other tax or other governmental charge required to be paid in connection
with any transfer involved in the issue of the Warrant Debt Securities, and in the event that any such transfer is involved, the Company shall not be required to issue or deliver any Warrant Debt Securities until such tax or other charge shall have
been paid or it has been established to the Company’s satisfaction that no such tax or other charge is due. 
 (e) Prior to
the issuance of any Warrants there shall have been reserved, and the Company shall at all times through the Expiration Date keep reserved, out of its authorized but unissued Warrant Debt Securities, a number of shares sufficient to provide for the
exercise of the Warrants. 
 ARTICLE 3 

OTHER PROVISIONS RELATING TO RIGHTS OF HOLDERS OF WARRANT 

CERTIFICATES 

  
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 3.1 No Rights As Holders of Warrant Debt Securities Conferred By Warrants or Warrant
Certificates. No Warrant Certificate or Warrant evidenced thereby shall entitle the holder thereof to any of the rights of a holder of Warrant Debt Securities, including, without limitation, the right to receive the payment of principal of (or
premium, if any) or interest, if any, on the Warrant Debt Securities or to enforce any of the covenants in the Indenture. 

3.2 Lost, Stolen, Mutilated or Destroyed Warrant Certificates. Upon receipt by the Warrant Agent of evidence reasonably
satisfactory to it and the Company of the ownership of and the loss, theft, destruction or mutilation of any Warrant Certificate and/or indemnity reasonably satisfactory to the Warrant Agent and the Company and, in the case of mutilation, upon
surrender of the mutilated Warrant Certificate to the Warrant Agent for cancellation, then, in the absence of notice to the Company or the Warrant Agent that such Warrant Certificate has been acquired by a bona fide purchaser, the Company shall
execute, and an authorized officer of the Warrant Agent shall manually countersign and deliver, in exchange for or in lieu of the lost, stolen, destroyed or mutilated Warrant Certificate, a new Warrant Certificate of the same tenor and evidencing
Warrants for a like principal amount of Warrant Debt Securities. Upon the issuance of any new Warrant Certificate under this Section 3.2, the Company may require the payment of a sum sufficient to cover any tax or other governmental charge that
may be imposed in relation thereto and any other expenses (including the fees and expenses of the Warrant Agent) in connection therewith. Every substitute Warrant Certificate executed and delivered pursuant to this Section 3.2 in lieu of any
lost, stolen or destroyed Warrant Certificate shall represent an additional contractual obligation of the Company, whether or not the lost, stolen or destroyed Warrant Certificate shall be at any time enforceable by anyone, and shall be entitled to
the benefits of this Agreement equally and proportionately with any and all other Warrant Certificates duly executed and delivered hereunder. The provisions of this Section 3.2 are exclusive and shall preclude (to the extent lawful) all other
rights and remedies with respect to the replacement of mutilated, lost, stolen or destroyed Warrant Certificates. 
 3.3 Holder Of
Warrant Certificate May Enforce Rights. Notwithstanding any of the provisions of this Agreement, any holder of any Warrant Certificate, without the consent of the Warrant Agent, the [Senior] [Subordinated] Trustee, the holder of any Warrant
Debt Securities or the holder of any other Warrant Certificate, may, in such holder’s own behalf and for such holder’s own benefit, enforce, and may institute and maintain any suit, action or proceeding against the Company suitable to
enforce, or otherwise in respect of, such holder’s right to exercise the Warrants evidenced by such holder’s Warrant Certificate in the manner provided in such holder’s Warrant Certificates and in this Agreement. 

3.4 Merger, Sale, Conveyance or Lease. In case of (a) any share exchange, merger or similar transaction of the Company with
or into another person or entity (other than a share exchange, merger or similar transaction in which the Company is the acquiring or surviving corporation) or (b) the sale, exchange, lease, transfer or other disposition of all or substantially
all of the properties and assets of the Company as an entirety (in any such case, a “Reorganization Event”), then, as a condition of such Reorganization Event, lawful provisions shall be made, and duly executed documents
evidencing the same from the Company’s successor shall be delivered to the holders of the Warrants, so that such successor shall succeed to and be substituted for the Company, and assume all the Company’s obligations under, this Agreement
and the Warrants. The Company shall thereupon be relieved of any further obligation hereunder or under the Warrants, and the Company as the predecessor corporation may thereupon or at any time thereafter be dissolved, wound up or liquidated. Such
successor or assuming entity 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 Warrants issuable hereunder which heretofore shall not have been signed by the Company, and may
execute and deliver securities in its own name, in fulfillment of its obligations to deliver Warrant Debt Securities upon exercise of the Warrants. All the Warrants so issued shall in all respects have the same legal rank and benefit under this
Agreement as the Warrants theretofore or thereafter issued in accordance with the terms of this Agreement as though all of such Warrants had been issued at the date of the execution hereof. In any case of any such Reorganization Event, such changes
in phraseology and form (but not in substance) may be made in the Warrants thereafter to be issued as may be appropriate. The Warrant Agent may receive a written opinion of legal counsel as conclusive evidence that any such Reorganization Event
complies with the provisions of this Section 3.4. 
 3.5 Notice To Warrantholders. In case the Company shall
(a) effect any Reorganization Event or (b) make any distribution on or in respect of the [title of Warrant Debt Securities] in connection with the dissolution, liquidation or winding up of the Company, then the Company shall mail to each
holder of Warrants at such holder’s 

  
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address as it shall appear on the books of the Warrant Agent, at least ten days prior to the applicable date hereinafter specified, a notice stating the date on which such Reorganization Event,
dissolution, liquidation or winding up is expected to become effective, and the date as of which it is expected that holders of [title of Warrant Debt Securities] of record shall be entitled to exchange their shares of [title of Warrant Debt
Securities] for securities or other property deliverable upon such Reorganization Event, dissolution, liquidation or winding up. No failure to mail such notice nor any defect therein or in the mailing thereof shall affect any such transaction. 

ARTICLE 4 
 EXCHANGE
AND TRANSFER OF WARRANT CERTIFICATES 
 4.1 Exchange and Transfer of Warrant Certificates. [If Other Securities with
Warrants which are immediately detachable—Upon] [If Other Securities with Warrants which are not immediately detachable—Prior to the Detachable Date, a Warrant Certificate may be exchanged or transferred only together with the Other
Security to which the Warrant Certificate was initially attached, and only for the purpose of effecting or in conjunction with an exchange or transfer of such Other Security. Prior to any Detachable Date, each transfer of the Other Security shall
operate also to transfer the related Warrant Certificates. After the Detachable Date, upon] surrender at the corporate trust office of the Warrant Agent, Warrant Certificates evidencing Warrants may be exchanged for Warrant Certificates in other
denominations evidencing such Warrants or the transfer thereof may be registered in whole or in part; provided that such other Warrant Certificates evidence Warrants for the same aggregate principal amount of Warrant Debt Securities as the Warrant
Certificates so surrendered. The Warrant Agent shall keep, at its corporate trust office, books in which, subject to such reasonable regulations as it may prescribe, it shall register Warrant Certificates and exchanges and transfers of outstanding
Warrant Certificates, upon surrender of the Warrant Certificates to the Warrant Agent at its corporate trust office for exchange or registration of transfer, properly endorsed or accompanied by appropriate instruments of registration of transfer and
written instructions for transfer, all in form satisfactory to the Company and the Warrant Agent. No service charge shall be made for any exchange or registration of transfer of Warrant Certificates, but the Company may require payment of a sum
sufficient to cover any stamp or other tax or other governmental charge that may be imposed in connection with any such exchange or registration of transfer. Whenever any Warrant Certificates are so surrendered for exchange or registration of
transfer, an authorized officer of the Warrant Agent shall manually countersign and deliver to the person or persons entitled thereto a Warrant Certificate or Warrant Certificates duly authorized and executed by the Company, as so requested. The
Warrant Agent shall not be required to effect any exchange or registration of transfer which will result in the issuance of a Warrant Certificate evidencing a Warrant for a fraction of a Warrant Debt Security or a number of Warrants for a whole
number of Warrant Debt Securities and a fraction of a Warrant Debt Security. All Warrant Certificates issued upon any exchange or registration of transfer of Warrant Certificates shall be the valid obligations of the Company, evidencing the same
obligations and entitled to the same benefits under this Agreement as the Warrant Certificate surrendered for such exchange or registration of transfer. 

4.2 Treatment of Holders of Warrant Certificates. [If Other Securities and Warrants are not immediately detachable—Prior to
the Detachable Date, the Company, the Warrant Agent and all other persons may treat the owner of the Other Security as the owner of the Warrant Certificates initially attached thereto for any purpose and as the person entitled to exercise the rights
represented by the Warrants evidenced by such Warrant Certificates, any notice to the contrary notwithstanding. After the Detachable Date and prior to due presentment of a Warrant Certificate for registration of transfer, the] [The] Company, the
Warrant Agent and all other persons may treat the registered holder of a Warrant Certificate as the absolute owner thereof for any purpose and as the person entitled to exercise the rights represented by the Warrants evidenced thereby, any notice to
the contrary notwithstanding. 
 4.3 Cancellation of Warrant Certificates. Any Warrant Certificate surrendered for exchange,
registration of transfer or exercise of the Warrants evidenced thereby shall, if surrendered to the Company, be delivered to the Warrant Agent and all Warrant Certificates surrendered or so delivered to the Warrant Agent shall be promptly canceled
by the Warrant Agent and shall not be reissued and, except as expressly permitted by this Agreement, no Warrant Certificate shall be issued hereunder in exchange therefor or in lieu thereof. The Warrant Agent shall deliver to the Company from time
to time or otherwise dispose of canceled Warrant Certificates in a manner satisfactory to the Company. 

  
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 ARTICLE 5 

CONCERNING THE WARRANT AGENT 

5.1 Warrant Agent. The Company hereby appoints             as Warrant
Agent of the Company in respect of the Warrants and the Warrant Certificates upon the terms and subject to the conditions herein set forth, and                 hereby
accepts such appointment. The Warrant Agent shall have the powers and authority granted to and conferred upon it in the Warrant Certificates and hereby and such further powers and authority to act on behalf of the Company as the Company may
hereafter grant to or confer upon it. All of the terms and provisions with respect to such powers and authority contained in the Warrant Certificates are subject to and governed by the terms and provisions hereof. 

5.2 Conditions of Warrant Agent’s Obligations. The Warrant Agent accepts its obligations herein set forth upon the terms and
conditions hereof, including the following to all of which the Company agrees and to all of which the rights hereunder of the holders from time to time of the Warrant Certificates shall be subject: 

(a) Compensation and Indemnification. The Company agrees promptly to pay the Warrant Agent the compensation to be agreed upon with
the Company for all services rendered by the Warrant Agent and to reimburse the Warrant Agent for reasonable out-of-pocket expenses (including reasonable counsel fees) incurred without negligence, bad faith or willful misconduct by the Warrant Agent
in connection with the services rendered hereunder by the Warrant Agent. The Company also agrees to indemnify the Warrant Agent for, and to hold it harmless against, any loss, liability or expense incurred without negligence, bad faith or willful
misconduct on the part of the Warrant Agent, arising out of or in connection with its acting as Warrant Agent hereunder, including the reasonable costs and expenses of defending against any claim of such liability. 

(b) Agent for the Company. In acting under this Warrant Agreement and in connection with the Warrant Certificates, the Warrant
Agent is acting solely as agent of the Company and does not assume any obligations or relationship of agency or trust for or with any of the holders of Warrant Certificates or beneficial owners of Warrants. 

(c) Counsel. The Warrant Agent may consult with counsel satisfactory to it, which may include counsel for the Company, and the
written advice of such counsel shall be full and complete authorization and protection in respect of any action taken, suffered or omitted by it hereunder in good faith and in accordance with the advice of such counsel. 

(d) Documents. The Warrant Agent shall be protected and shall incur no liability for or in respect of any action taken or omitted
by it in reliance upon any Warrant Certificate, notice, direction, consent, certificate, affidavit, statement or other paper or document reasonably believed by it to be genuine and to have been presented or signed by the proper parties. 

(e) Certain Transactions. The Warrant Agent, and its officers, directors and employees, may become the owner of, or acquire any
interest in, Warrants, with the same rights that it or they would have if it were not the Warrant Agent hereunder, and, to the extent permitted by applicable law, it or they may engage or be interested in any financial or other transaction with the
Company and may act on, or as depositary, trustee or agent for, any committee or body of holders of Warrant Debt Securities or other obligations of the Company as freely as if it were not the Warrant Agent hereunder. Nothing in this Warrant
Agreement shall be deemed to prevent the Warrant Agent from acting as [Senior] [Subordinated] Trustee under the [Senior] [Subordinated] Indenture. 

(f) No Liability for Interest. Unless otherwise agreed with the Company, the Warrant Agent shall have no liability for interest on
any monies at any time received by it pursuant to any of the provisions of this Agreement or of the Warrant Certificates. 
 (g) No
Liability for Invalidity. The Warrant Agent shall have no liability with respect to any invalidity of this Agreement or any of the Warrant Certificates (except as to the Warrant Agent’s countersignature thereon). 

  
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 (h) No Responsibility for Representations. The Warrant Agent shall not be
responsible for any of the recitals or representations herein or in the Warrant Certificates (except as to the Warrant Agent’s countersignature thereon), all of which are made solely by the Company. 

(i) No Implied Obligations. The Warrant Agent shall be obligated to perform only such duties as are herein and in the Warrant
Certificates specifically set forth and no implied duties or obligations shall be read into this Agreement or the Warrant Certificates against the Warrant Agent. The Warrant Agent shall not be under any obligation to take any action hereunder which
may tend to involve it in any expense or liability, the payment of which within a reasonable time is not, in its reasonable opinion, assured to it. The Warrant Agent shall not be accountable or under any duty or responsibility for the use by the
Company of any of the Warrant Certificates authenticated by the Warrant Agent and delivered by it to the Company pursuant to this Agreement or for the application by the Company of the proceeds of the Warrant Certificates. The Warrant Agent shall
have no duty or responsibility in case of any default by the Company in the performance of its covenants or agreements contained herein or in the Warrant Certificates or in the case of the receipt of any written demand from a holder of a Warrant
Certificate with respect to such default, including, without limiting the generality of the foregoing, any duty or responsibility to initiate or attempt to initiate any proceedings at law or otherwise or, except as provided in Section 6.2
hereof, to make any demand upon the Company. 
 5.3 Resignation, Removal and Appointment of Successors. 

(a) The Company agrees, for the benefit of the holders from time to time of the Warrant Certificates, that there shall at all
times be a Warrant Agent hereunder until all the Warrants have been exercised or are no longer exercisable. 
 (b) The Warrant
Agent may at any time resign as agent by giving written notice to the Company of such intention on its part, specifying the date on which its desired resignation shall become effective; provided that such date shall not be less than three months
after the date on which such notice is given unless the Company otherwise agrees. The Warrant Agent hereunder may be removed at any time by the filing with it of an instrument in writing signed by or on behalf of the Company and specifying such
removal and the intended date when it shall become effective. Such resignation or removal shall take effect upon the appointment by the Company, as hereinafter provided, of a successor Warrant Agent (which shall be a bank or trust company authorized
under the laws of the jurisdiction of its organization to exercise corporate trust powers) and the acceptance of such appointment by such successor Warrant Agent. The obligation of the Company under Section 5.2(a) shall continue to the
extent set forth therein notwithstanding the resignation or removal of the Warrant Agent. 
 (c) In case at any time the Warrant
Agent shall resign, or shall be removed, or shall become incapable of acting, or shall be adjudged a bankrupt or insolvent, or shall commence a voluntary case under the Federal bankruptcy laws, as now or hereafter constituted, or under any other
applicable Federal or state bankruptcy, insolvency or similar law or shall consent to the appointment of or taking possession by a receiver, custodian, liquidator, assignee, trustee, sequestrator (or other similar official) of the Warrant Agent or
its property or affairs, or shall make an assignment for the benefit of creditors, or shall admit in writing its inability to pay its debts generally as they become due, or shall take corporate action in furtherance of any such action, or a decree
or order for relief by a court having jurisdiction in the premises shall have been entered in respect of the Warrant Agent in an involuntary case under the Federal bankruptcy laws, as now or hereafter constituted, or any other applicable Federal or
state bankruptcy, insolvency or similar law, or a decree or order by a court having jurisdiction in the premises shall have been entered for the appointment of a receiver, custodian, liquidator, assignee, trustee, sequestrator (or similar official)
of the Warrant Agent or of its property or affairs, or any public officer shall take charge or control of the Warrant Agent or of its property or affairs for the purpose of rehabilitation, conservation, winding up or liquidation, a successor Warrant
Agent, qualified as aforesaid, shall be appointed by the Company by an instrument in writing, filed with the successor Warrant Agent. Upon the appointment as aforesaid of a successor Warrant Agent and acceptance by the successor Warrant Agent of
such appointment, the Warrant Agent shall cease to be Warrant Agent hereunder. 
 (d) Any successor Warrant Agent appointed
hereunder shall execute, acknowledge and deliver to its predecessor and to the Company an instrument accepting such appointment hereunder, and thereupon 

  
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such successor Warrant Agent, without any further act, deed or conveyance, shall become vested with all the authority, rights, powers, trusts, immunities, duties and obligations of such
predecessor with like effect as if originally named as Warrant Agent hereunder, and such predecessor, upon payment of its charges and disbursements then unpaid, shall thereupon become obligated to transfer, deliver and pay over, and such successor
Warrant Agent shall be entitled to receive, all monies, securities and other property on deposit with or held by such predecessor, as Warrant Agent hereunder. 

(e) Any corporation into which the Warrant Agent hereunder may be merged or converted or any corporation with which the Warrant
Agent may be consolidated, or any corporation resulting from any merger, conversion or consolidation to which the Warrant Agent shall be a party, or any corporation to which the Warrant Agent shall sell or otherwise transfer all or substantially all
the assets and business of the Warrant Agent, provided that it shall be qualified as aforesaid, shall be the successor Warrant Agent under this Agreement without the execution or filing of any paper or any further act on the part of any of the
parties hereto. 
 ARTICLE 6 

MISCELLANEOUS 

6.1 Amendment. This Agreement may be amended by the parties hereto, without the consent of the holder of any Warrant Certificate,
for the purpose of curing any ambiguity, or of curing, correcting or supplementing any defective provision contained herein, or making any other provisions with respect to matters or questions arising under this Agreement as the Company and the
Warrant Agent may deem necessary or desirable; provided that such action shall not materially adversely affect the interests of the holders of the Warrant Certificates. 

6.2 Notices and Demands to the Company and Warrant Agent. If the Warrant Agent shall receive any notice or demand addressed to the
Company by the holder of a Warrant Certificate pursuant to the provisions of the Warrant Certificates, the Warrant Agent shall promptly forward such notice or demand to the Company. 

6.3 Addresses. Any communication from the Company to the Warrant Agent with respect to this Agreement shall be addressed
to                 , Attention:                 and any communication from the
Warrant Agent to the Company with respect to this Agreement shall be addressed to Kura Oncology, Inc., 12730 High Bluff Drive, Suite 400, San Diego, CA 92130, Attention: Chief Financial Officer (or such other address as shall be specified in
writing by the Warrant Agent or by the Company). 
 6.4 Governing Law. This Agreement and each Warrant Certificate issued
hereunder, and any claim, controversy or dispute arising under or related to this Agreement or any Warrant Certificate, shall be governed by and construed in accordance with the laws of the State of New York. 

6.5 Delivery Of Prospectus. The Company shall furnish to the Warrant Agent sufficient copies of a prospectus meeting the
requirements of the Securities Act of 1933, as amended, relating to the Warrant Debt Securities deliverable upon exercise of the Warrants (the “Prospectus”), and the Warrant Agent agrees that upon the exercise of any Warrant,
the Warrant Agent will deliver to the holder of the Warrant Certificate evidencing such Warrant, prior to or concurrently with the delivery of the Warrant Debt Securities issued upon such exercise, a Prospectus. The Warrant Agent shall not, by
reason of any such delivery, assume any responsibility for the accuracy or adequacy of such Prospectus. 
 6.6 Obtaining of
Governmental Approvals. The Company will from time to time take all action which may be necessary to obtain and keep effective any and all permits, consents and approvals of governmental agencies and authorities and securities act filings under
United States Federal and state laws (including without limitation a registration statement in respect of the Warrants and Warrant Debt Securities under the Securities Act of 1933, as amended), which may be or become requisite in connection with the
issuance, sale, transfer, and delivery of the Warrant Debt Securities issued upon exercise of the Warrants, the issuance, sale, transfer and delivery of the Warrants or upon the expiration of the period during which the Warrants are exercisable.

  
 9 

 6.7 Persons Having Rights Under Warrant Agreement. Nothing in this Agreement
shall give to any person other than the Company, the Warrant Agent and the holders of the Warrant Certificates any right, remedy or claim under or by reason of this Agreement. 

6.8 Headings. The descriptive headings of the several Articles and Sections of this Agreement are inserted for convenience only
and shall not control or affect the meaning or construction of any of the provisions hereof. 
 6.9 Counterparts. This Agreement
may be executed in any number of counterparts, each of which as so executed shall be deemed to be an original, but such counterparts shall together constitute but one and the same instrument. 

6.10 Inspection of Agreement. A copy of this Agreement shall be available at all reasonable times at the principal corporate trust
office of the Warrant Agent for inspection by the holder of any Warrant Certificate. The Warrant Agent may require such holder to submit his Warrant Certificate for inspection by it. 

  
 10 

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

			
	KURA ONCOLOGY, INC.

 
			
		
	By:	 	 
		
	Name:	 	 
		
	Title:	 	 

 
			
	
	[WARRANT AGENT], as Warrant Agent

 
			
		
	By:	 	 
		
	Name:	 	 
		
	Title:	 	 

 [SIGNATURE PAGE TO DEBT SECURITIES WARRANT AGREEMENT] 

  
 11 

 EXHIBIT A 

FORM OF WARRANT CERTIFICATE 

[FACE OF WARRANT CERTIFICATE] 
  

			
	[[Form if Warrants are attached to Other Securities and are not immediately detachable.]	  	[Prior to             , this Warrant Certificate cannot be transferred or exchanged unless attached to a [Title of Other Securities].]
		
	[Form of Legend if Warrants are not immediately exercisable.]	  	[Prior to             , Warrants evidenced by this Warrant Certificate cannot be exercised.]

 EXERCISABLE ONLY IF COUNTERSIGNED BY THE WARRANT AGENT AS PROVIDED HEREIN 

VOID AFTER [            ] P.M.,
[            ] TIME, ON                 , 

  
 12 

 KURA ONCOLOGY, INC. 

WARRANT CERTIFICATE REPRESENTING 

WARRANTS TO PURCHASE 

[TITLE OF WARRANT DEBT SECURITIES] 
  

			
	No.	  	Warrants

 This certifies that
                or registered assigns is the registered owner of the above indicated number of Warrants, each Warrant entitling such owner [If Warrants are attached to
Other Securities and are not immediately detachable —, subject to the registered owner qualifying as a “Holder” of this Warrant Certificate, as hereinafter defined)] to purchase, at any time [after
[            ] p.m., [City] time, on                 and] on or before
[            ] p.m., [City] time, on                 ,
$         principal amount of [Title of Warrant Debt Securities] (the “Warrant Debt Securities”), of Kura Oncology, Inc. (the “Company”), issued or to
be issued under the Indenture (as hereinafter defined), on the following basis: during the period from                 , through and including
                , each Warrant shall entitle the Holder thereof, subject to the provisions of this Agreement, to purchase the principal amount of Warrant Debt Securities
stated in the Warrant Certificate at the warrant price (the “Warrant Price”) of             % of the principal amount thereof [plus accrued amortization, if any, of
the original issue discount of the Warrant Debt Securities] [plus accrued interest, if any, from the most recent date from which interest shall have been paid on the Warrant Debt Securities or, if no interest shall have been paid on the Warrant Debt
Securities, from the date of their original issuance]. [The original issue discount ($             for each $1,000 principal amount of Warrant Debt Securities) will be amortized at a
            % annual rate, computed on a[n] [semi-]annual basis [using a 360-day year consisting of twelve 30-day months]. The Holder may exercise the Warrants evidenced hereby by providing
certain information set forth on the back hereof and by paying in full, in lawful money of the United States of America, [in cash or by certified check or official bank check in New York Clearing House funds] [by bank wire transfer in immediately
available funds], the Warrant Price for each Warrant Debt Security with respect to which this Warrant is exercised to the Warrant Agent (as hereinafter defined) and by surrendering this Warrant Certificate, with the purchase form on the back hereof
duly executed, at the corporate trust office of [name of Warrant Agent], or its successor as warrant agent (the “Warrant Agent”), which is, on the date hereof, at the address specified on the reverse hereof, and upon
compliance with and subject to the conditions set forth herein and in the Warrant Agreement (as hereinafter defined). 
 The term
“Holder” as used herein shall mean [If Warrants are attached to Other Securities and are not immediately detachable—, prior to                 ,
            (the “Detachable Date”), the registered owner of the Company’s [title of Other Securities] to which this Warrant Certificate was initially attached,
and after such Detachable Date,] the person in whose name at the time this Warrant Certificate shall be registered upon the books to be maintained by the Warrant Agent for that purpose pursuant to Section 4 of the Warrant Agreement. 

The Warrants evidenced by this Warrant Certificate may be exercised to purchase Warrant Debt Securities in the principal amount of $1,000 or
any integral multiple thereof in registered form. Upon any exercise of fewer than all of the Warrants evidenced by this Warrant Certificate, there shall be issued to the Holder hereof a new Warrant Certificate evidencing Warrants for the aggregate
principal amount of Warrant Debt Securities remaining unexercised. 
 This Warrant Certificate is issued under and in accordance with the
Warrant Agreement dated as of , (the “Warrant Agreement”), between the Company and the Warrant Agent and is subject to the terms and provisions contained in the Warrant Agreement, to all of which terms and provisions the
Holder of this Warrant Certificate consents by acceptance hereof. Copies of the Warrant Agreement are on file at the above-mentioned office of the Warrant Agent. 

The Warrant Debt Securities to be issued and delivered upon the exercise of Warrants evidenced by this Warrant Certificate will be issued
under and in accordance with an Indenture, [dated as of                 ,             (the “Senior
Indenture”), between the Company and                 , as trustee (such trustee, and any successors to such trustee, the “Senior
Trustee”)] [dated as of                 ,
                    , (the “Subordinated Indenture”), between the Company and
                    , as trustee (such trustee, and any successors to such trustee, the “Subordinated Trustee”)] and will be
subject to the terms and provisions contained in 

  
 13 

 
the Warrant Debt Securities and in the Indenture. Copies of the [Senior] [Subordinated] Indenture, including the form of the Warrant Debt Securities, are on file at the corporate trust office of
the Trustee. 
 [If Warrants are attached to Other Securities and are not immediately detachable—Prior to the Detachable Date, this
Warrant Certificate may be exchanged or transferred only together with the [Title of Other Securities] (the “Other Securities”) to which this Warrant Certificate was initially attached, and only for the purpose of effecting
or in conjunction with, an exchange or transfer of such Other Security. Additionally, on or prior to the Detachable Date, each transfer of such Other Security on the register of the Other Securities shall operate also to transfer this Warrant
Certificate. After such date, transfer of this] [If Warrants are attached to Other Securities and are immediately detachable—Transfer of this] Warrant Certificate may be registered when this Warrant Certificate is surrendered at the corporate
trust office of the Warrant Agent by the registered owner or such owner’s assigns, in the manner and subject to the limitations provided in the Warrant Agreement. 

[If Other Securities with Warrants which are not immediately detachable-Except as provided in the immediately preceding paragraph, after] [If
Other Securities with Warrants which are immediately detachable or Warrants alone—After] countersignature by the Warrant Agent and prior to the expiration of this Warrant Certificate, this Warrant Certificate may be exchanged at the corporate
trust office of the Warrant Agent for Warrant Certificates representing Warrants for the same aggregate principal amount of Warrant Debt Securities. 

This Warrant Certificate shall not entitle the Holder hereof to any of the rights of a holder of the Warrant Debt Securities, including,
without limitation, the right to receive payments of principal of (and premium, if any) or interest, if any, on the Warrant Debt Securities or to enforce any of the covenants of the Indenture. 

Reference is hereby made to the further provisions of this Warrant Certificate set forth on the reverse hereof, which further provisions shall
for all purposes have the same effect as if set forth at this place. 
 This Warrant Certificate shall not be valid or obligatory for any
purpose until countersigned by the Warrant Agent. 

  
 14 

 IN WITNESS WHEREOF, the Company has caused this Warrant to be executed in its name
and on its behalf by the facsimile signatures of its duly authorized officers. 

Dated:                         
                                         
                                   

 

			
	KURA ONCOLOGY, INC.

 
			
		
	By:	 	 
		
	Name:	 	 
		
	Title:	 	 
		
		 	Countersigned:

  

			
	[WARRANT AGENT], as Warrant Agent

 
			
		
	By:	 	 
		
	Name:	 	 
		
	Title:	 	 

  
 15 

 [REVERSE OF WARRANT CERTIFICATE] 

(Instructions for Exercise of Warrant) 

To exercise any Warrants evidenced hereby for Warrant Debt Securities (as hereinafter defined), the Holder must pay, in lawful money of the
United States of America, [in cash or by certified check or official bank check in New York Clearing House funds] [by bank wire transfer in immediately available funds], the Warrant Price in full for Warrants exercised, to [Warrant Agent] [address
of Warrant Agent], Attn:                 , which payment must specify the name of the Holder and the number of Warrants exercised by such Holder. In addition, the
Holder must complete the information required below and present this Warrant Certificate in person or by mail (certified or registered mail is recommended) to the Warrant Agent at the appropriate address set forth above. This Warrant Certificate,
completed and duly executed, must be received by the Warrant Agent within five business days of the payment. 
 (To be executed upon exercise
of Warrants) 
 The undersigned hereby irrevocably elects to exercise
                Warrants, represented by this Warrant Certificate, to purchase $             principal
amount of the [Title of Warrant Debt Securities] (the “Warrant Debt Securities”) of Kura Oncology, Inc. and represents that he has tendered payment for such Warrant Debt Securities, in lawful money of the United States
of America, [in cash or by certified check or official bank check in New York Clearing House funds] [by bank wire transfer in immediately available funds], to the order of Kura Oncology, Inc., c/o [insert name and address of Warrant Agent], in
the amount of $             in accordance with the terms hereof. The undersigned requests that said principal amount of Warrant Debt Securities be in fully registered form in the
authorized denominations, registered in such names and delivered all as specified in accordance with the instructions set forth below. 
 If
the number of Warrants exercised is less than all the Warrants evidenced hereby, the undersigned requests that a new Warrant Certificate evidencing the Warrants for the aggregate principal amount of Warrant Debt Securities remaining unexercised be
issued and delivered to the undersigned unless otherwise specified in the instructions below. 
  

			
	Dated_________________________________________________	  	Name_______________________________________________
		  	Please Print
	Address:	  	
		
	(Insert Social Security or Other Identifying Number of Holder)	  	
		
	Signature Guaranteed____________________________________	  	
	Signature	  	

 (Signature must conform in all respects to name of holder as specified on the face of this Warrant Certificate and must bear a
signature guarantee by a FINRA member firm). 
 This Warrant may be exercised at the following addresses: 

By hand at 
 By mail at 

  
 16 

 [Instructions as to form and delivery of Warrant Debt Securities and, if applicable, Warrant Certificates
evidencing Warrants for the number of Warrant Debt Securities remaining unexercised—complete as appropriate.] 

  
 17 

 ASSIGNMENT 

[Form of assignment to be executed if Warrant Holder desires to transfer Warrant] 

FOR VALUE RECEIVED,
                        hereby sells, assigns and transfers unto: 

 

					
	 		
		 		  	
	 		
		 		  	
	(Please print name and address including zip code)	 		  	Please print Social Security or other identifying number

 the right represented by the within Warrant to purchase
$             aggregate principal amount of [Title of Warrant Debt Securities] of Kura Oncology, Inc. to which the within Warrant relates and appoints
                attorney to transfer such right on the books of the Warrant Agent with full power of substitution in the premises. 

 

							
	Dated	 	  
	  		 	  

		  		 	Signature

 (Signature must conform in all respects to name of
holder as specified on the face of the Warrant) 
  

			
	Signature Guaranteed	  	
		
	 	  	

  
 18Exhibit
4.1

 

 

 

 

 

THE AES CORPORATION

 

as Issuer

 

AND

 

DEUTSCHE
BANK TRUST COMPANY AMERICAS

 

as Trustee

 

 

 

  

TWENTY-SEVENTH
SUPPLEMENTAL INDENTURE

 

Dated as
of December 7, 2020

 

TO

 

SENIOR INDENTURE

 

Dated as
of December 8, 1998

 

 

 

 

5.500% Senior
Notes due 2025

 

6.000% Senior
Notes due 2026

 

5.125% Senior
Notes due 2027

 

 

     

     

    

TWENTY-FIFTH SUPPLEMENTAL
INDENTURE

 

The TWENTY-SEVENTH
SUPPLEMENTAL INDENTURE, is dated as of this 7th day of December, 2020 (the “Supplemental Indenture”), between
THE AES CORPORATION, a corporation duly organized and existing under the laws of the State of Delaware (hereinafter sometimes
referred to as the “Company”), and DEUTSCHE BANK TRUST COMPANY AMERICAS, a national banking association, as
trustee (hereinafter referred to as the “Trustee”), as successor trustee to WELLS FARGO BANK, N.A.

 

W I T N E S S E T
H:

 

WHEREAS,
the Company entered into a Senior Indenture dated as of December 8, 1998 (the “Senior Indenture”) between the
Company and the Trustee to provide for the future issuance of its senior debentures, notes or other evidences of indebtedness
(collectively, the “Securities”), said Securities to be issued from time to time in series as might be determined
by the Company pursuant to the Senior Indenture and, in an unlimited aggregate principal amount;

 

WHEREAS,
the Company and the Trustee have entered into a First Supplemental Indenture, a Second Supplemental Indenture, a Third Supplemental
Indenture, a Fourth Supplemental Indenture, a Fifth Supplemental Indenture, a Sixth Supplemental Indenture, a Seventh Supplemental
Indenture, an Eighth Supplemental Indenture, a Ninth Supplemental Indenture, a Tenth Supplemental Indenture, an Eleventh Supplemental
Indenture, a Twelfth Supplemental Indenture, a Thirteenth Supplemental Indenture, a Fourteenth Supplemental Indenture, a Fifteenth
Supplemental Indenture, a Sixteenth Supplemental Indenture, a Seventeenth Supplemental Indenture, an Eighteenth Supplemental Indenture,
a Nineteenth Supplemental Indenture, a Twentieth Supplemental Indenture, a Twenty-First Supplemental Indenture, a Twenty-Second
Supplemental Indenture, a Twenty-Third Supplemental Indenture, a Twenty-Fourth Supplemental Indenture, a Twenty-Fifth Supplemental
Indenture, and a Twenty-Sixth Supplemental Indenture providing for the creation and issuance of various series of Securities and/or
amendments to the Senior Indenture (the Senior Indenture, as so amended and supplemented by the forgoing supplemental indentures
and this Supplemental Indenture is hereinafter referred to as, the “Indenture”);

 

WHEREAS,
Section 9.2 of the Senior Indenture provides that the Senior Indenture may be amended by the Company and the Trustee with the
consent of the holders of not less than a majority in aggregate principal amount of the outstanding Securities of all series affected
by such amendment (all such series voting as a separate class);

 

WHEREAS,
the Company has distributed an Offer to Purchase and Consent Solicitation Statement, dated November 19, 2020 (the “Offer
to Purchase”) to the holders of the 5.500% Senior Notes due 2025 (the “2025 Notes”), the 6.000% Senior
Notes due 2026 (the “6.000% 2026 Notes”) and the 5.125% Senior Notes due 2027 (the “2027 Notes”,
and together with the 2025 Notes and the 6.000% 2026 Notes, the “Notes”) in connection with certain proposed
amendments to the Indenture with respect to the Notes as described in the Offer to Purchase (the “Proposed Amendments”);

 

     

     

    

WHEREAS,
the holders of at least a majority in principal amount of each series of the Notes currently outstanding have duly consented to
the Proposed Amendments, and the Company in accordance with Section 9.5 of the Senior Indenture, has delivered an Opinion of Counsel
to the Trustee stating that the execution of this Supplemental Indenture is permitted by the Indenture, that all requisite consents
have been obtained, and that this Supplemental Indenture constitutes the legal, valid and binding obligation of the Company, enforceable
against the Company in accordance with its terms, subject to customary exceptions;

 

WHEREAS,
pursuant to Section 9.2 of the Senior Indenture, the Company desires to execute and deliver this Supplemental Indenture, and has
requested and hereby directs that the Trustee join with it in the execution and delivery of this Supplemental Indenture; and

 

WHEREAS,
the execution and delivery of this Supplemental Indenture have been duly authorized by all necessary corporate action on the part
of the Company and all conditions and requirements necessary to make this instrument a valid and binding agreement have been duly
performed and complied with;

 

NOW THEREFORE,
in consideration of the foregoing and for other good and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the Company and the Trustee mutually covenant and agree, for the benefit of each other and for equal and ratable
benefit of the Holders of the Notes, as follows:

 

ARTICLE
1 AMENDMENTS

 

Section 1.01. Amendments to
the Indenture and Notes.

 

(a)         The following sections of the Nineteenth Supplemental Indenture, the Twentieth Supplemental Indenture and the Twenty-First
Supplemental Indenture, including all references thereto, shall not apply to, and have no force and effect with respect to, the
Notes, and any references thereto shall be superseded by and references thereto shall be deemed to refer to this Section 1.01(a)
of this Twenty-Seventh Supplemental Indenture:

 

		·	Section
                                         5.1 Restrictions on Secured Debt

 

		·	Section
                                         5.2 Restrictions on Sales and Leasebacks

 

		·	Section
                                         6.1 Additional Events of Default

 

(b)       The reference to “upon not less than 30 nor more than 60 days’ notice” in the first sentence of the first
paragraph of Section 3.2 of the Senior Indenture with respect to the Notes is hereby deleted and replaced with the following:
“upon not less than three Business Days’ notice.”

 

(c)        The reference to “third” prior to “Business Day” in the definitions of “Comparable Treasury
Price” in the Nineteenth Supplemental Indenture, the Twentieth 

 

    3 

     

    

Supplemental
Indenture and the Twenty-First Supplemental Indenture with respect to the Notes are hereby deleted.

 

(e)       The reference to “third” prior to “Business Day” in the definitions of “Reference Treasury
Dealer Quotations” in the Nineteenth Supplemental Indenture, the Twentieth Supplemental Indenture and the Twenty-First Supplemental
Indenture with respect to the Notes are hereby deleted.

 

(f)        Sections 4.4 and 4.5 of the Senior Indenture, including all references thereto, shall not apply to, and have no force and
effect with respect to, the Notes and any reference to Sections 4.4 and 4.4 of the Senior Indenture shall be superseded by and
references thereto shall be deemed to refer to this Section 1.01(e) of this Twenty-Seventh Supplemental Indenture.

 

(g)       Article 5 of the Senior Indenture, including all references thereto, shall not apply to, and have no force and effect with
respect to the Notes and any reference to Article 5 or the Sections of Article 5 of the Senior Indenture with respect to the Notes
shall be superseded by and references thereto shall be deemed to refer to this Section 1.01(f) of this Twenty-Seventh Supplemental
Indenture.

 

(h)       Sections 6.1(c), (d), (e) and (f) of the Senior Indenture, including all references thereto, shall not apply to, and have
no force and effect with respect to, the Notes and any reference to Sections 6.1(c), (d), (e) or (f) of the Senior Indenture with
respect to the Notes shall be superseded by and references thereto shall be deemed to refer to this Section 1.01(g) of this Twenty-Seventh
Supplemental Indenture.

 

(i)        All definitions set forth in Section 1.1 of the Senior Indenture, the Nineteenth Supplemental Indenture, the Twentieth
Supplemental Indenture and the Twenty-First Supplemental Indenture that relate to defined terms used solely in covenants or sections
amended hereby shall be amended in their entirety with respect to the Notes, including all references thereto. 

 

ARTICLE
2 MISCELLANEOUS

 

Section
2.01. Effect of Supplemental Indenture. From and after the Amendment Operative Date (as defined below), the Indenture shall
be amended and supplemented with respect to the Notes in accordance herewith, and this Supplemental Indenture shall form a part
of the Indenture for all purposes, and every Holder of Notes heretofore or hereafter authenticated and delivered under the Indenture
shall be bound thereby.

 

Section
2.02. Indenture Remains in Full Force and Effect. Except as amended and supplemented by this Supplemental Indenture, all
provisions in the Indenture shall remain in full force and effect.

 

Section
2.03. References to Supplemental Indenture. Any and all notices, requests, certificates and other instruments executed
and delivered after the Amendment Operative Date may refer to the Indenture without making specific reference to this Supplemental

 

    4 

     

    

Indenture, but nevertheless all
such references shall include this Supplemental Indenture unless the context requires otherwise.

 

Section
2.04. Conflict with Trust Indenture Act. If any provision of this Supplemental Indenture limits, qualifies or conflicts
with any provision of the Trust Indenture Act of 1939 (the “TIA”) that is required under the TIA to be part
of and govern any provision of this Supplemental Indenture, the provision of the TIA shall control. If any provision of this Supplemental
Indenture modifies or excludes any provision of the TIA that may be so modified or excluded, the provision of the TIA shall be
deemed to apply to the Indenture as so modified or to be excluded by this Supplemental Indenture, as the case may be.

 

Section
2.05. Separability. In case any provision in this Supplemental Indenture is invalid, illegal or unenforceable, the validity,
legality and enforceability of the remaining provisions will not in any way be affected or impaired thereby.

 

Section
2.06. Terms Defined in the Indenture. All capitalized terms not otherwise defined herein shall have the meanings ascribed
to them in the Indenture.

 

Section
2.07. Headings. The headings of the Articles and Sections of this Supplemental Indenture have been inserted for convenience
of reference only, are not to be considered a part of the Indenture and in no way modify or restrict any of the terms and provisions
of this Supplemental Indenture.

 

Section
2.08. Benefits of Supplemental Indenture. Nothing in this Supplemental Indenture or the Notes, express or implied, shall
give to any Person, other than the parties hereto and thereto and their successors hereunder and thereunder and the holders of
the Notes any benefit of any legal or equitable right, remedy or claim under the Indenture, this Supplemental Indenture or the
Notes.

 

Section
2.09. Successors. All agreements of the Company in this Supplemental Indenture will bind its successors. All agreements
of the Trustee in this Supplemental Indenture will bind its successors.

 

Section
2.10. Duplicate Originals. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall
be an original, but all of them together represent the same agreement. The exchange of copies of this Supplemental Indenture and
of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Supplemental Indenture
as to the parties hereto and may be used in lieu of the original Supplemental 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
2.11. Effectiveness. This Supplemental Indenture shall become a binding agreement between the parties hereto when executed
by the parties hereto. As used herein, the “Amendment Operative Date”, which is the date that the Proposed
Amendments shall be operative, shall mean the date and time that the Company accepts the validly tendered Notes for purchase pursuant
to, and subject to the conditions set forth in, the Offer to Purchase. If, after the date hereof, either the Offer to Purchase
is terminated or withdrawn or all payments in respect of the Notes accepted for payment pursuant to the Offer to Purchase are
not made

 

    5 

     

    

as required
by the Offer to Purchase, the Proposed Amendments shall have no effect and the Indenture shall be deemed to be amended so that
it reads the same as it did immediately prior to the date hereof. The Company shall provide prompt written notice to the Trustee
if it accepts the Notes for purchase and remits payment pursuant to the Offer to Purchase, or if the Offer to Purchase is terminated
or withdrawn or all payments in respect of the Notes accepted for payment pursuant to the Offer to Purchase are not made. The
Company shall cause Notes that have been purchased to be promptly delivered to the Trustee for cancellation pursuant to Section
2.11 of the Senior Indenture, and the Trustee is hereby authorized and directed to cancel such Notes upon receipt.

 

Section
2.12. Further Instruments and Acts. Upon request of the Company, the Trustee 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 purpose of this Supplemental
Indenture.

 

Section
2.13. Acceptance. The Trustee accepts the amendments of the Indenture effected by this Supplemental Indenture, but on the
terms and conditions set forth in the Indenture, including the terms and provisions defining and limiting the liabilities and
responsibilities of the Trustee. Without limiting the generality of the foregoing, the Trustee makes no representation or warranty
as to the validity or sufficiency of this Supplemental Indenture or as to the accuracy of the recitals to this Supplemental Indenture.

 

 

 

[Signature
Page Follows] 

    6 

     

    

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

 

	 	THE AES CORPORATION, as the Issuer
	 	 
	 	 
	 	By:	/s/ Ahmed Pasha
	 	 	Name:  Ahmed Pasha
	 	 	Title:   Treasurer

  

 

	Attest:	 
	By:	/s/ Gustavo Pimenta 	 
	 	Name: Gustavo Pimenta	 
	 	Title:   Executive
Vice President and Chief Financial Officer
	 

 

 

 

[Signature
Page to Twenty-Seventh Supplemental Indenture] 

     

     

    

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

 

	 	DEUTSCHE BANK TRUST COMPANY
        AMERICAS, as Trustee

         

	 	 
	 	 
	 	By:	/s/ Luke Russell 
	 	 	Name:  Luke Russell 
	 	 	Title:    Assistant Vice President

 

 

	 	By:	/s/ Chris Niesz 
	 	 	Name: Chris Niesz
	 	 	Title:    Vice President

  

 

 

[Signature
Page to Twenty-Seventh Supplemental Indenture]

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