Document:

Exhibit 4.21

 

ENSYNC, INC.

 

NONSTATUTORY STOCK OPTION AGREEMENT

 

This Nonstatutory Stock Option Agreement
(this “Agreement”) is executed as of [●], by and between ENSYNC, INC., a Wisconsin corporation (the “Company”),
and [●] (“Employee”).

 

WITNESSETH:

 

WHEREAS, the Company wishes to grant Employee
a Nonstatutory Stock Option in conjunction with Employee’s appointment as [●], subject to the terms provided in this
Agreement; and

 

WHEREAS, the Company anticipates that this
Agreement will promote the best interests of the Company and its shareholders by providing Employee a proprietary interest in the
Company with a stronger incentive to put forth maximum effort for the continued success and growth of the Company and its subsidiaries;

 

NOW, THEREFORE, in consideration of the
benefits that the Company will derive in connection with the services to be rendered by Employee, the Company and Employee hereby
agree as follows:

 

1. Determinations by Administrator; Certain
Definitions The Administrator (as defined below) shall make all interpretations, rules and regulations necessary to administer
this Agreement, and such determinations of the Administrator shall be binding upon Employee. For purposes of this Agreement, the
term “Administrator” shall mean the Compensation Committee of the Board of Directors. Capitalized terms used and not
defined herein are defined in the Company’s 2010 Omnibus Long-Term Incentive Plan, as amended.

 

2. Option; Number of Shares; Option Price.
The Option (as defined below) granted hereunder is intended to be a nonstatutory stock option and therefore shall not qualify as
an incentive stock option pursuant to Section 422 of the Internal Revenue Code of 1986, as amended. Employee shall have the right
and option to purchase all or any part of an aggregate of [●] shares of $0.01 par value common stock of the Company (“Share(s)”)
at the purchase price of $[●] per Share (the “Option”).

 

3. Vesting and Expiration.

 

(a)       Vesting.
The Option shall vest (become exercisable) and remain exercisable only in accordance with Annex 1 attached hereto.

 

(b)       Expiration.
To the extent not previously exercised according to the terms hereof, the Option shall expire on the eighth anniversary of the
date hereof.

 

4. Method of Exercising Option. Except
as otherwise permitted by the Administrator, the Option shall be exercisable by delivery to the Company (to the attention of its
Secretary), at its offices in Menomonee Falls, Wisconsin, of (i) written notice identifying the Option and stating the number of
Shares with respect to which it is being exercised, (ii) payment in full of the exercise price of the Shares then being acquired
as provided in Section 6, below, and (iii) execution of such other documentation as is determined to be necessary or appropriate
by the Administrator from time to time the form of which shall be provided to Employee at the time of execution and delivery of
this Agreement. The Company shall have the right to delay the issue or delivery of any Shares to be delivered hereunder until (i)
the completion of such registration or qualification of such Shares under federal, state, or foreign law, ruling, or regulation
as the Company shall deem to be necessary or advisable, and (ii) receipt from Employee of such documents and information as the
Administrator may deem necessary or appropriate in connection with such registration or qualification or the issuance of Shares
hereunder.

 

      

     

    

 

 

5. Payment of Exercise Price. The
exercise price shall be payable in whole or in part in cash, Shares held by Employee, other property, or such other consideration
consistent with the Agreement’s purpose and applicable law as may be determined by the Administrator from time to time. Except
as otherwise determined by the Administrator at the time of grant, such price shall be paid in cash in full at the time that the
Option is exercised. If Employee is permitted by the Administrator to pay all or a part of the exercise price in Shares and elects
to do so, Employee may make such payment by delivering to the Company a number of Shares, either directly or by attestation, which
are equal in value to the purchase or exercise price hereunder. For this purpose, all Shares so delivered shall be valued per share
at the Fair Market Value (as defined above; provided, however, if a Share is not susceptible to valuation by the
above method, the term “Fair Market Value” of a Share shall mean the fair market value of a Share as the Administrator
may determine in conformity with pertinent law) of a Share on the business day immediately preceding the day on which such Shares
are delivered.

 

6. Prohibition Against Transfer.
Unless otherwise provided by the Administrator and except as provided below, the Option, and the rights and privileges conferred
hereby, may not be transferred by Employee, and shall be exercisable during the lifetime of Employee only by Employee. The Option
shall not be subjected to execution, attachment or similar process. Employee shall have the right to transfer the Option upon Employee’s
death, either to Employee’s designated beneficiary (such designation to be made in writing at such time and in such manner
as the Administrator shall approve or prescribe), or, if Employee dies without a surviving designated beneficiary, by the terms
of Employee’s will or under the laws of descent and distribution, subject to any limitations set forth in this Agreement
and all such distributees shall be subject to all terms and conditions of this Agreement to the same extent as Employee would be
if still living.

 

7. Nature of Option. Employee shall
not have any interest in any fund or in any specific asset or assets of the Company by reason of the Option granted hereunder,
or any right to exercise any of the rights or privileges of a stockholder with respect to the Option until Shares are issued in
connection with any exercise.

 

8. Adjustment provisions.

(a)       Share
Adjustments. In the event of any stock dividend, stock split, recapitalization, merger, consolidation, combination or exchange
of shares of Company stock, or the like, as a result of which shares of any class shall be issued in respect of the outstanding
Shares, or the Shares shall be changed into the same or a different number of the same or another class of stock, or into securities
of another person, cash or other property (not including a regular cash dividend), the number of Shares subject to the Option and
the exercise price applicable to the Option shall be appropriately adjusted in such equitable and proportionate amount as determined
by the Administrator. No fractional Share shall be issued under the Agreement resulting from any such adjustment but the Administrator
in its sole discretion may make a cash payment in lieu of a fractional Share.

 

    2 

     

    

 

 

(b)       Acquisitions.
In the event of a merger or consolidation of the Company with another corporation or entity, or a sale or disposition by the Company
of all or substantially all of its assets, the Administrator shall, in its sole discretion, have authority to provide for (i) waiver
in whole or in part of any remaining restrictions or vesting requirements in connection with the Option granted hereunder, (ii)
the conversion of the outstanding Option into cash, (iii) the conversion of the Option into the right to receive securities, including
options, of another person or entity upon such terms and conditions as are determined by the Administrator in its sole discretion
and/or (iv) the lapse of the Option after notice in writing has been given that the Option may be exercised within a set period
from the date of such notice and that any Option not exercised within such period shall lapse.

 

(c)       Binding
Effect. Without limiting the generality of what is provided in Section 1 hereof and for avoidance of doubt, any adjustment,
waiver, conversion or other action taken by the Administrator under this Section 9 shall be conclusive and binding on Employee
and the Company and any respective successors and assigns.

 

9. Notices. Any notice to be given
to the Company under the terms of this Agreement shall be given in writing to the Company at its offices in Menomonee Falls, Wisconsin.
Any notice to be given to Employee may be addressed to Employee’s address as it appears on the payroll records of the Company
or any subsidiary thereof. Any such notice shall be deemed to have been duly given if and when actually received by the party to
whom it is addressed, as evidenced by a written receipt to that effect.

 

10. Taxes. The Company may require
payment or reimbursement of or may withhold any minimum tax that it believes is required as a result of the grant or exercise of
the Option, and the Company may defer making delivery with respect to Shares or cash payable hereunder or otherwise until arrangements
satisfactory to the Company have been made with respect to such withholding obligations.

 

11. Rights of Employee. The Option,
and any payments or other benefits received by Employee under the Option, is discretionary and shall not be deemed a part of Employee’s
regular, recurring compensation for any purpose, including without limitation for purposes of termination, indemnity, or severance
pay law of any country and shall not be included in, nor have any effect on, the determination of benefits under any other employee
benefit plan, contract or similar arrangement provided to Employee unless expressly so provided by such other plan, contract or
arrangement, or unless the Administrator expressly determines otherwise.

 

12. Amendment. The Administrator
may amend the Agreement; provided, however, that Employee’s consent to such action shall be required unless
the Administrator determines that the action, taking into account any related action, would not materially and adversely affect
Employee. However, notwithstanding any other provision of the Agreement, the Administrator may not adjust or amend the exercise
price of the Option, whether through amendment, cancellation and replacement grants, or any other means, except in accordance with
Section 9 hereof.

 

    3 

     

    

 

 

13. No Right To Employment. The Agreement
shall not confer upon Employee any right to continue employment with the Company or a subsidiary, nor shall it interfere in any
way with the right of the Company or such subsidiary to terminate Employee’s employment any time.

 

14. Entire Agreement. This Agreement
constitutes the final understanding between Employee and the Company regarding the Option.

 

15. Severability. In the event any
provision of this Agreement shall be held illegal or invalid for any reason, the illegality or invalidity shall not affect the
remaining parts of the Agreement, and this Agreement shall be construed and enforced as if the illegal or invalid provision had
not been included.

 

16. Governing Law. This Agreement
and all actions taken hereunder shall be governed by, and construed in accordance with, the laws of the State of Wisconsin, applied
without regard to the laws of any other jurisdiction that otherwise would govern under conflict of law principles.

 

 

[Signature
Page Follows]

 

 

    4 

     

    

 

IN WITNESS WHEREOF, the Company has caused
these presents to be executed as of the date and year first above written, which is the date of the granting of the Option evidenced
hereby.

 

	 	 	 	 
	 	ENSYNC, INC.
	 	 	 	 
	 	 	 	 
	 	By:	 
	 	 	Name:  	 
	 	 	Title:    	 
	 	 	 	 

 

The undersigned Employee hereby accepts
the foregoing Option and agrees to the several terms and conditions hereof.

 

	 	 
	 	Employee

 

    
[Signature Page - Option Award Agreement]

     

    

 

 

 

Annex 1

 

[●]EX-4.2

 Exhibit 4.2 

BP Capital Markets America Inc., 

Company 
 AND

 BP p.l.c., 

Guarantor 
 TO

 The Bank of New York Mellon Trust Company, N.A., 

Trustee 
  

 

[                    ] Supplemental
Indenture 
 Dated as of [            ], 2018 

 
  

Supplement to Indenture Dated as of 4 June 2003 

[                    ] Guaranteed Notes due
[                    ] 
 [...] 

[                    ] SUPPLEMENTAL
INDENTURE 
 [                    ]
SUPPLEMENTAL INDENTURE, dated as of [            ], 2018, among BP Capital Markets America Inc., a corporation duly organized and existing under the laws of the State of Delaware (herein
called the “Company”), having its principal office at 501 Westlake Park Boulevard, Houston, Texas 77079, and BP p.l.c., a corporation duly organized and existing under the laws of England (herein called the “Guarantor”), having
its registered office at 1 St. James’s Square, London SW1Y 4PD, England, and The Bank of New York Mellon Trust Company, N.A., a national banking association having its Corporate Trust Office at 2 North LaSalle Street, 7th Floor, Chicago, Illinois 60602, as Trustee (herein called the “Trustee”) under the Base Indenture (as hereinafter defined). 

RECITALS OF THE COMPANY 

WHEREAS, the Company and the Guarantor have heretofore executed and delivered to the Trustee the Indenture, dated as of June 4, 2003
(herein called the “Base Indenture”), providing for the issuance from time to time of one or more series of the Company’s unsecured debentures, notes or other evidences of indebtedness (herein and in the Base Indenture called the
“Securities”), the forms and terms of which are to be determined as set forth in Sections 201 and 301 of the Base Indenture; 

WHEREAS, the Company desires to create
[                    ] series of Securities in the following aggregate principal amounts:
(i) U.S.$[        ], which shall be designated the [                    ] Guaranteed Notes due
[                    ] (the “[    Notes”), [...] (together with the preceding notes, the “Fixed Rate
Notes”), [...] and the Floating Rate Guaranteed Notes Due [                    ] (together with the Floating Rate Guaranteed Notes Due
[                    ], the “Floating Rate Notes” and together with the Fixed Rate Notes, the “Notes”), and all action on the
part of the Company necessary to authorize the issuance of the Notes under the Base Indenture and this [                    ] Supplemental Indenture
has been duly taken; and 
 WHEREAS, all acts and things necessary to make this
[                    ] Supplemental Indenture a valid agreement of the Company, in accordance with its terms, have been done. 

RECITALS OF THE GUARANTOR 

WHEREAS, the Guarantor desires to make the Guarantees provided for herein and in the Base Indenture; and 

WHEREAS, all things necessary to make this
[                    ] Supplemental Indenture a valid agreement of the Guarantor, in accordance with its terms, have been done. 

NOW, THEREFORE, THIS
[                    ] SUPPLEMENTAL INDENTURE WITNESSETH: 

For and in consideration of the premises and the purchase of the Notes by the Holders thereof, it is mutually covenanted and agreed, for the
equal and proportionate benefit of all Holders of the Notes, as follows: 

 ARTICLE ONE 

CREATION OF THE NOTES 

Section 1.1.    Designation of Series. Pursuant to the terms hereof and Sections 201 and 301 of the Base
Indenture, the Company hereby creates [                    ] series of Securities designated the
“[                    ] Guaranteed Notes due
[                    ]”, [...], which Notes shall be deemed “Securities” for all purposes under the Base Indenture. 

Section 1.2.    Form of Notes. The form of each of the Fixed Rate Notes and the Floating Rate Notes shall be
substantially as set forth in Exhibit A-1 and Exhibit A-2 respectively, each as attached hereto, which are incorporated herein and made part hereof.
The Fixed Rate Notes and the Floating Rate Notes shall bear interest, be payable and have such other terms as are stated in said respective forms of the Notes attached hereto as Exhibit A-1 and
Exhibit A-2, respectively, and in the Base Indenture, as supplemented by this
[                    ] Supplemental Indenture. The Stated Maturity of the
[                    ] Notes shall be
[                    ]. [...]. 

Section 1.3.    Limit on Amount of Series. The
[                    ] Notes shall not exceed U.S.$ [        ] in aggregate principal amount Outstanding
under the Base Indenture at any time, [...], in each case except as otherwise provided in the last paragraph of Section 301 of the Base Indenture. The Notes may, upon the execution and delivery of this
[                    ] Supplemental Indenture or from time to time thereafter, be executed by the Company and delivered to the Trustee for
authentication, and the Trustee shall thereupon authenticate and deliver said Notes upon the delivery of a Company Order and such other documents as shall be required by the Base Indenture. 

Section 1.4.    Redemption. The Notes shall not be redeemable except as provided in Section 1108 of the
Base Indenture; provided, however, that the Fixed Rate Notes shall also be redeemable in whole or in part, at any time and from time to time, at the applicable Optional Redemption Price specified in Exhibit
A-1 hereto. The Company shall give the Trustee notice of the applicable Optional Redemption Price promptly after the calculation thereof and the Trustee shall have no responsibility for such calculation.

 Section 1.5.    No Sinking Fund. No sinking fund will be provided with respect to the Notes. 

Section 1.6.    Notes Not Convertible or Exchangeable. The Notes will not be convertible or exchangeable for
other securities or property. 
 Section 1.7.    Issuance of Notes; Selection of Depositary. The Notes shall
be issued as Global Securities in registered form, without coupons. The initial Depositary for the Notes shall be The Depository Trust Company. 

 ARTICLE TWO 

MISCELLANEOUS 

Section 2.1.    Execution as Supplemental Indenture. This
[                    ] Supplemental Indenture is executed and shall be construed as an indenture supplemental to the Base Indenture and, as provided
in the Base Indenture, this [                    ] Supplemental Indenture forms a part thereof. Except as herein expressly otherwise defined, the use
of the terms and expressions herein is in accordance with the definitions, uses and constructions contained in the Base Indenture. 

Section 2.2.    Responsibility for Recitals, Etc. The recitals herein shall be taken as the statements of the
Company and the Guarantor, and the Trustee assumes no responsibility for the correctness thereof. The Trustee makes no representations as to the validity or sufficiency of this
[                    ] Supplemental Indenture. 

Section 2.3.    Provisions Binding on Company’s and Guarantor’s Successors. All the covenants,
stipulations, promises and agreements of the Company contained in this [                    ] Supplemental Indenture shall bind the Company’s
successors and assigns whether so expressed or not. All the covenants, stipulations, promises and agreements of the Guarantor contained in this
[                    ] Supplemental Indenture shall bind the Guarantor’s successors and assigns whether so expressed or not. 

Section 2.4.    New York Contract. This
[                    ] Supplemental Indenture, each Note and the Guarantees shall be governed by and construed in accordance with the laws of the
state of New York, except that the authorization and execution of this [                    ] Supplemental Indenture, each Note and the Guarantees
shall be governed by the laws of the respective jurisdictions of organization of the Company and the Guarantor. 

Section 2.5.    Execution and Counterparts. This
[                    ] Supplemental Indenture may be executed with counterpart signature pages or in any number of counterparts, each of which shall
be an original but such counterparts shall together constitute but one and the same instrument. 

Section 2.6.    Capitalized Terms. Capitalized terms not otherwise defined in this
[                    ] Supplemental Indenture shall have the respective meanings assigned to them in the Base Indenture. 

 IN WITNESS WHEREOF, the Company and the Trustee
hereto have caused this [                    ] Supplemental Indenture to be duly executed, and the Guarantor has caused this
[                    ] Supplemental Indenture to be signed on its behalf by its duly appointed attorney, all as of the day and year first above
written. 
  

			
	BP CAPITAL MARKETS AMERICA INC.
		
	By:	 	
                     
                                         
          

	Name:	 	
	Title:	 	
	
	BP p.l.c.
		
	By:	 	
                     
                   

	Name:	 	
	Title:	 	
	
	THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. AS TRUSTEE
		
	By:	 	
                     
                                       

	Name:	 	
	Title:	 	

  
 [Signature Page to the
[                    ] Supplemental Indenture] 

 EXHIBIT A-1 

FORM OF FIXED RATE NOTES 

 Face of Security 

This Security is a Global Security within the meaning of the Indenture hereinafter referred to and is registered in the name of a Depositary
or a nominee of a Depositary. This Global Security is exchangeable for Securities registered in the name of a Person other than the Depositary or its nominee only in the limited circumstances described in the Indenture, and no transfer of this
Security (other than a transfer of this Security as a whole 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) may be registered except in such limited
circumstances. 
 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 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. 
 [This Security has been issued with original issue
discount for U.S. federal income tax purposes (“OID”). Holders may obtain the issue price, the amount of OID, the issue date and the yield to maturity by contacting
[                    ] at
[                    ].] 
 BP
CAPITAL MARKETS AMERICA INC. 
 [    ]%
GUARANTEED NOTE DUE [                    ] 

 

			
	No.                     	  	$        
	 	  	CUSIP NO. [                    ]

 BP CAPITAL MARKETS AMERICA INC., a corporation
duly organized and existing under the laws of the State of Delaware (herein called the “Company”, which term includes any successor corporation under the Indenture hereinafter referred to), for value received, hereby promises to pay to
CEDE & CO., or registered assigns, the principal sum of                      Dollars
($        ) on [                    ], and to pay interest thereon from
[                    ] or from the most recent Interest Payment Date to which interest has been paid or duly provided for, semi-annually on
[            ] and [            ] in each year, commencing
[                    ], at the rate of [    ]% per annum, until the principal hereof is paid or made available for payment. The
interest so payable, and punctually paid or duly provided for, on any Interest Payment Date will, as provided in such Indenture, be paid to the Person in whose name this Security (or one or more Predecessor Securities) is registered at the close of
business on the Regular Record Date for such interest, which shall be [the 15th calendar day preceding each Interest 

 
Payment Date] [[            ] and [        ] in each year], whether or not such [day] [date] is
a Business Day. Any such interest not so punctually paid or duly provided for will forthwith cease to be payable to the Holder on such Regular Record Date and may either be paid to the Person in whose name this Security (or one or more Predecessor
Securities) is registered at the close of business on a Special Record Date for the payment of such Defaulted Interest to be fixed by the Trustee, notice whereof shall be given to Holders of Securities of this series not less than 10 days prior to
such Special Record Date, or be paid at any time in any other lawful manner not inconsistent with the requirements of any securities exchange on which the Securities of this series may be listed, and upon such notice as may be required by such
exchange, all as more fully provided in said Indenture. 
 If any payment is due in respect of the Securities on a day that is not a
Business Day (as defined below), it will be made on the next following Business Day; provided that no interest will accrue on the payment so deferred. A “Business Day” means any week day on which banking or trust institutions in
neither New York nor London are authorized generally or obligated by law, regulation or executive order to close. 
 Payment of the
principal of and interest on this Security will be made at the office or agency of the Company maintained for that purpose in the Borough of Manhattan in The City of New York, in such coin or currency of the United States of America as at the time
of payment is legal tender for payment of public and private debts; provided, however, that at the option of the Company payment of interest may be made by check mailed to the address of the Person entitled thereto as such address
shall appear in the Security Register. 
 Reference is hereby made to the further provisions of this Security set forth on the reverse
hereof, which further provisions shall for all purposes have the same effect as if set forth at this place. 
 Unless the certificate of
authentication hereon has been executed by the Trustee referred to on the reverse hereof by manual signature, this Security shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 

  
 3 

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

Dated:                     

 

			
	BP CAPITAL MARKETS AMERICA INC.
		
	        By	 	                                     
                                   

 Trustee’s Certificate of Authentication 

This is one of the Securities of the series designated herein referred to in the within-mentioned Indenture. 

 

			
	 The Bank of New York Mellon Trust Company, N.A., as Trustee

		
	        By	 	                                     
                                   
		 	Authorized Signatory

  
 Signature Page to
Global Note 

 Reverse of Security 

This Security is one of a duly authorized issue of securities of the Company (herein called the “Securities”), issued and to be
issued in one or more series under an Indenture, dated as of June 4, 2003 (herein called the “Base Indenture”), among the Company, as Issuer, BP p.l.c., as Guarantor (herein called the “Guarantor”), and The Bank of New York
Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank), as Trustee (herein called the “Trustee”, which term includes any successor trustee under the Indenture) (such Base Indenture as supplemented by the
[                    ] Supplemental Indenture, dated as of [            ], 2018 (the
“Indenture”)) to which Indenture and all indentures supplemental thereto reference is hereby made for a statement of the respective rights, limitation of rights, duties and immunities thereunder of the Company, the Guarantor, the Trustee
and the Holders of the Securities and of the terms upon which the Securities are, and are to be, authenticated and delivered. This Security is one of the series designated on the face hereof, initially limited to
$[        ] in aggregate principal amount. 
 This Security is not redeemable prior to
[                    ] (the “Stated Maturity”), except that this Security may be redeemed in accordance with the terms specified below and
pursuant to Section 1108 of the Indenture; the date specified for the Securities of this series, for purposes of said Section 1108, is
[                    ]. 
 [The
Securities of this series are subject to redemption upon not less than 30 nor more than 60 days’ notice by mail, as a whole or in part, at any time and from time to time, at the election of the Company, at a redemption price (the
“Optional Redemption Price”) equal to the greater of (i) 100% of the principal amount of the Securities of this series to be redeemed, and (ii) the sum of the present values of the remaining scheduled payments of principal and
interest on the Securities of this series to be redeemed (not including any portion of payments of interest accrued to the date of redemption (the “Redemption Date”)) discounted to the Redemption Date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate plus
[                    ] basis points, together with, in each case, accrued and unpaid interest on the principal amount of the Securities of this
series to be redeemed to the Redemption Date.] 
 [Prior to [            ] (the
date that is [                    ] month[s] prior to the scheduled maturity date for the Securities), the Securities of this series are subject to
redemption upon not less than 30 nor more than 60 days’ notice by mail, as a whole or in part, at any time and from time to time, at the election of the Company, at a redemption price (the “Optional Redemption Price”) equal to
the greater of (i) 100% of the principal amount of the Securities of this series to be redeemed, and (ii) the sum of the present values of the remaining scheduled payments of principal and interest on the Securities of this series to be
redeemed that would be due if such Securities matured on [                    ] (not including any portion of payments of interest accrued to the
date of redemption (the “Redemption Date”)) discounted to the Redemption Date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day
months) at the Treasury Rate plus [                    ] basis points, together with, in each case, accrued and unpaid interest on the principal
amount of the 

  
 5 

 
Securities of this series to be redeemed to the Redemption Date. On or after [            ] (the date that is
[            ] month[s] prior to the scheduled maturity date for the Securities), the Securities of this series are subject to redemption, in whole or in part, at any time and from time to
time at a redemption price equal to 100% of the principal amount of the Securities to be redeemed, plus accrued and unpaid interest, if any, thereon to, but excluding, the date of redemption.] 

For purposes of determining the Optional Redemption Price, the following terms shall apply: 

“Treasury Rate” means, with respect to any Redemption Date, the rate per annum equal to the semi-annual equivalent yield to maturity
or interpolated (on a day count basis) of the Comparable Treasury Issue, assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for that Redemption Date. 

“Comparable Treasury Issue” means the United States Treasury security or securities selected by the Quotation Agent as having an
actual or interpolated maturity comparable to the remaining term of the Securities of this series to be redeemed that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate
debt securities of comparable maturity to the remaining term of such Securities. 
 “Comparable Treasury Price” means, with
respect to any Redemption Date, the average of the Reference Treasury Dealer Quotations for such Redemption Date. 
 “Quotation
Agent” means one of the Reference Treasury Dealers appointed by the Company to act as the “Quotation Agent”. 

“Reference Treasury Dealer” means each of Barclays Capital Inc., Goldman Sachs & Co. LLC and Merrill Lynch, Pierce
Fenner & Smith Incorporated or their respective affiliates, each of which is a primary U.S. government securities dealer in the United States (a “Primary Treasury Dealer”), and their respective successors, and two other Primary
Treasury Dealers selected by the Company, provided, however, that if any of the foregoing shall cease to be a Primary Treasury Dealer, the Company shall substitute therefor another Primary Treasury Dealer. 

“Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and any Redemption Date, the average,
as determined by the Quotation Agent, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the Quotation Agent by such Reference Treasury Dealer at
5:00 p.m., New York time, on the third Business Day preceding that Redemption Date. 

  
 6 

 Interest will be computed on the basis of a 360-day
year of twelve 30-day months. 
 If an Event of Default with respect to Securities of this series
shall occur and be continuing, the principal of the Securities of this series may be declared due and payable in the manner and with the effect provided in the Indenture. 

The Indenture permits, with certain exceptions as therein provided, the amendment thereof and the modification of the rights and obligations
of the Company and the Guarantor and the rights of the Holders of the Securities of each series to be affected under the Indenture at any time by the Company, the Guarantor and the Trustee with the consent of the Holders of a majority in principal
amount of the Securities at the time Outstanding of each series to be affected. The Indenture also contains provisions permitting the Holders of specified percentages in principal amount of the Securities of each series at the time Outstanding, on
behalf of the Holders of all Securities of such series, to waive compliance by the Company or the Guarantor, or both, with certain provisions of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or
waiver by the Holder of this Security shall be conclusive and binding upon such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange herefor or in lieu hereof, whether
or not notation of such consent or waiver is made upon this Security. 
 As provided in and subject to the provisions of the Indenture, the
Holder of this Security shall not have the right to institute any proceeding with respect to the Indenture or for the appointment of a receiver or trustee or for any other remedy thereunder, unless such Holder shall have previously given the Trustee
written notice of a continuing Event of Default with respect to the Securities of this series, the Holders of not less than 25% in principal amount of the Securities of this series at the time Outstanding shall have made written request to the
Trustee to institute proceedings in respect of such Event of Default as Trustee and offered the Trustee reasonable indemnity, and the Trustee shall not have received from the Holders of a majority in principal amount of Securities of this series at
the time Outstanding a direction inconsistent with such request, and shall have failed to institute any such proceeding, for 60 days after receipt of such notice, request and offer of indemnity. The foregoing shall not apply to any suit instituted
by the Holder of this Security for the enforcement of any payment of principal hereof or interest hereon on or after the respective due dates expressed or provided for herein. 

No reference herein to the Indenture and no provision of this Security or of the Indenture shall alter or impair the obligation of the
Company, which is absolute and unconditional, to pay the principal of and interest on this Security at the times, place and rate, and in the coin or currency, herein prescribed. 

As provided in the Indenture and subject to certain limitations therein set forth, the transfer of this Security is registrable in the
Security Register, upon surrender of this Security for registration of transfer at the office or agency of the Company in any place 

  
 7 

 
where the principal of and interest on this Security are payable, duly endorsed by, or accompanied by a written instrument of transfer in form satisfactory to the Company and the Security
Registrar duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon one or more new Securities of this series, of authorized denominations and for the same aggregate principal amount, will be issued to the
designated transferee or transferees. 
 The Securities of this series are issuable only in registered form without coupons in denominations
of $1,000 and integral multiples of $1,000 in excess thereof. As provided in the Indenture and subject to certain limitations therein set forth, Securities of this series are exchangeable for a like aggregate principal amount of Securities of this
series of a different authorized denomination, as requested by the Holder surrendering the same. 
 No service charge shall be made for any
such registration of transfer or exchange, but the Company may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. 

Prior to due presentment of this Security for registration of transfer, the Company, the Guarantor, the Trustee and any agent of the Company,
the Guarantor or the Trustee may treat the Person in whose name this Security is registered as the owner hereof for all purposes (subject to Section 307 of the Indenture), whether or not this Security be overdue, and neither the Company, the
Guarantor, the Trustee nor any such agent shall be affected by notice to the contrary. 
 The Indenture provides that the Company and the
Guarantor, at the Guarantor’s option, (a) will be discharged from any and all obligations in respect of the Securities (except for certain obligations to register the transfer or exchange of Securities, replace stolen, lost or mutilated
Securities, maintain paying agencies and hold moneys for payment in trust) or (b) need not comply with certain restrictive covenants of the Indenture, in each case if the Company or the Guarantor deposits, in trust, with the Trustee money or
Government Obligations which through the payment of interest thereon and principal thereof in accordance with their terms will provide money, in an amount sufficient to pay all the principal of and interest on the Securities on the dates such
payments are due in accordance with the terms of such Securities and Guarantees, and certain other conditions are satisfied. 
 Except in
the limited circumstances described in Section 305 of the Indenture, the Securities of this series shall be issued in the form of one or more Global Securities and The Depository Trust Company shall be the Depositary for such Global Security or
Securities. All terms used in this Security which are defined in the Indenture shall have the meanings assigned to them in the Indenture. 

This Security shall be governed by and construed in accordance with the laws of the State of New York, except that the authorization and
execution of this Security shall be governed by the laws of the jurisdiction of organization of the Company. 

  
 8 

 GUARANTEE OF BP p.l.c. 

For value received, BP p.l.c., a corporation duly organized and existing under the laws of England and Wales (herein called the
“Guarantor”, which term includes any successor corporation under the Indenture referred to in the Security upon which this Guarantee is endorsed), hereby unconditionally guarantees to the Holder of the Security upon which this Guarantee is
endorsed and to the Trustee referred to in such Indenture due and prompt payment of the principal of and interest on such Security when and as the same shall become due and payable, whether at the Stated Maturity, by declaration of acceleration,
call for redemption or otherwise, according to the terms thereof and of the Indenture referred to therein. In case of the failure of BP Capital Markets America Inc., a corporation duly organized and existing under the laws of the State of Delaware
(herein called the “Company”, which term includes any successor corporation under such Indenture) punctually to make any such principal or interest payment, the Guarantor hereby agrees to cause any such payment to be made promptly when and
as the same shall become due and payable, whether at the Stated Maturity, by declaration of acceleration, call for redemption or otherwise, and as if such payment were made by the Company. 

The Guarantor hereby further agrees, subject to the limitations and exceptions set forth below, that if any deduction or withholding for any
present or future taxes, assessments or other governmental charges of the jurisdiction (or any political subdivision or taxing authority thereof or therein) in which the Guarantor is incorporated, shall at any time be required by such jurisdiction
(or any such political subdivision or taxing authority) in respect of any amounts to be paid by the Guarantor under this Guarantee, the Guarantor will pay to the Holder of such Security such additional amounts as may be necessary in order that the
net amounts paid to such Holder of such Security who, with respect to any such tax, assessment or other governmental charge, is not resident in such jurisdiction, after such deduction or withholding, shall be not less than the amounts specified in
such Security to which such Holder is entitled; provided, however, that the Guarantor shall not be required to make any payment of additional amounts (1) for or on account of any such tax, assessment or governmental charge imposed by the
United States or any political subdivision or taxing authority thereof or therein or (2) for or on account of: 
 (a) any tax,
assessment or other governmental charge which would not have been imposed but for (i) the existence of any present or former connection between such Holder (or between a fiduciary, settlor, beneficiary, member or shareholder of, or possessor of
a power over, such Holder, if such Holder is an estate, trust, partnership or corporation) and the taxing jurisdiction or any political subdivision or territory or possession thereof or area subject to its jurisdiction, including, without
limitation, such Holder (or such fiduciary, settlor, beneficiary, member, shareholder or possessor) being or having been a citizen or resident thereof or being or having been present or engaged in trade or business therein or having or having had a
permanent establishment therein or (ii) the presentation of such Security (where presentation is required) for payment on a 

  
 9 

 
date more than 30 days after the date on which such payment became due and payable or the date on which payment thereof is duly provided for, whichever occurs later; 

(b) any estate, inheritance, gift, sale, transfer, personal property or similar tax, assessment or other governmental charge; 

(c) any tax, assessment or other governmental charge which is payable otherwise than by withholding from payments of (or in respect of)
principal of, or any interest on, such Security; 
 (d) any tax, assessment or other governmental charge that is imposed or withheld by
reason of the failure by the Holder or the beneficial owner of such Security (i) to provide information concerning the nationality, residence or identity of the Holder or such beneficial owner or (ii) to make any declaration or other
similar claim or satisfy any information or reporting requirements, which, in the case of (i) or (ii), is required or imposed by a statute, treaty, regulation or administrative practice of the taxing jurisdiction as a precondition to exemption
from all or part of such tax, assessment or other governmental charge; 
 (e) any tax, assessment or other governmental charge which such
Holder would have been able to avoid by presenting such Security to another Paying Agent; 
 (f) any tax, assessment or other governmental
charge which is imposed on a payment pursuant to the European Union Directive approved on June 3, 2003, regarding taxation of, and information exchange member states of the European Union with respect to, interest income or any law implementing
such directive; or 
 (g) any combination of items (a), (b), (c), (d), (e) and (f) above; nor shall additional amounts be paid with
respect to any payment of the principal of, or any interest on, such Security to any Holder who is a fiduciary or partnership or other than the sole beneficial owner of such payment to the extent such payment would be required by the laws of the
jurisdiction (or any political subdivision or taxing authority thereof or therein) to be included in the income for tax purposes of a beneficiary or settlor with respect to such fiduciary or a member of such partnership or a beneficial owner who
would not have been entitled to such additional amounts had it been the Holder of such Security. 
 The foregoing provisions shall apply
mutatis mutandis to any withholding or deduction for or on account of any present or future taxes, assessments or governmental charges of whatever nature of any jurisdiction in which any successor Person to the Guarantor is organized, or any
political subdivision or taxing authority thereof or therein. 
 The Guarantor hereby agrees that its obligations hereunder shall be as if
it were principal debtor and not merely surety, and shall be absolute and unconditional, irrespective of, and shall be unaffected by, any invalidity, irregularity or unenforceability of such Security or such Indenture, any failure to enforce the
provisions of such Security or such Indenture, or any waiver, modification or indulgence granted to the Company 

  
 10 

 
with respect thereto, by the Holder of such Security or such Trustee, or any other circumstance which may otherwise constitute a legal or equitable discharge of a surety or guarantor;
provided, however, that, notwithstanding the foregoing, no such waiver, modification or indulgence shall, without the consent of the Guarantor, increase the principal amount of such Security or the interest rate thereon or impose or
increase any premium payable upon redemption thereof. The Guarantor hereby waives diligence, presentment, demand of payment, filing of claims with a court in the event of merger or bankruptcy of the Company, any right to require a proceeding first
against the Company, protest or notice with respect to such Security or the indebtedness evidenced thereby and all demands whatsoever, and covenants that this Guarantee will not be discharged except by payment in full of the principal of and
interest on such Security. This is a guarantee of payment and not of collection. 
 The Guarantor shall be subrogated to all rights of the
Holder of such Security against the Company in respect of any amounts paid to such Holder by the Guarantor pursuant to the provisions of this Guarantee; provided, however, that the Guarantor shall not be entitled to enforce, or to
receive any payments arising out of or based upon, such right of subrogation until the principal of and interest on all Securities of the same series issued under such Indenture shall have been paid in full. 

No reference herein to such Indenture and no provision of this Guarantee or of such Indenture shall alter or impair the guarantee of the
Guarantor, which is absolute and unconditional, of the due and punctual payment of the principal of and interest on the Security upon which this Guarantee is endorsed at the times, place and rate, and in the coin or currency prescribed therein. 

This Guarantee shall not be valid or obligatory for any purpose until the certificate of authentication of such Security shall have been
manually executed by or on behalf of the Trustee under such Indenture. 
 This Guarantee shall be governed by and construed in accordance
with the laws of the State of New York, except that the authorization and execution of the Guarantee shall be governed by the laws of the jurisdiction of organization of the Guarantor. 

All terms used in this Guarantee which are defined in such Indenture shall have the meanings assigned to them in such Indenture. 

  
 11 

 IN WITNESS WHEREOF, the Guarantor has caused
this Guarantee to be signed manually or in facsimile by a person duly authorized in that behalf. 
  

	
	BP P.L.C.
	
	  

 

	
	Attest:
	
	  

	
	[                    ], 2018

 EXHIBIT A-2 

FORM OF FLOATING RATE NOTES 

 Face of Security 

This Security is a Global Security within the meaning of the Indenture hereinafter referred to and is registered in the name of a Depositary
or a nominee of a Depositary. This Global Security is exchangeable for Securities registered in the name of a Person other than the Depositary or its nominee only in the limited circumstances described in the Indenture, and no transfer of this
Security (other than a transfer of this Security as a whole 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) may be registered except in such limited
circumstances. 
 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 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. 
 [This Security has been issued with original issue
discount for U.S. federal income tax purposes (“OID”). Holders may obtain the issue price, the amount of OID, the issue date and the yield to maturity by contacting
[                    ] at
[                    ].] 
 BP
CAPITAL MARKETS AMERICA INC. 
 FLOATING RATE
GUARANTEED NOTE DUE [                    ] 

 

			
	No.                     	  	$        
	 	  	CUSIP NO. [                    ]

 BP CAPITAL MARKETS AMERICA INC., a corporation
duly organized and existing under the laws of the State of Delaware (herein called the “Company”, which term includes any successor corporation under the Indenture hereinafter referred to), for value received, hereby promises to pay to
CEDE & CO., or registered assigns, the principal sum of                      Dollars
($        ) on the Stated Maturity (as defined on the reverse of this Security), and to pay interest thereon from
[                    ] or from the most recent Interest Payment Date (as defined below) to which interest has been paid or duly provided for,
quarterly on the [                    ]th calendar day of March, June, September and December, commencing
[                    ] and finally on the Stated Maturity (each, an “Interest Payment Date”), at the rate of interest per annum
(i) for the initial Interest Period (as defined below) equal to Three-Month LIBOR (as determined by the Calculation Agent pursuant to the provisions set forth on the reverse of this Security) on
[                    ] plus the Spread (as defined on the reverse of this 

 
Security) and (ii) thereafter, for each other Interest Period equal to Three-Month LIBOR (as determined by the Calculation Agent pursuant to the provisions set forth on the reverse of this
Security) on the Interest Determination Date (as defined on the reverse of this Security) plus the Spread, until the principal hereof is paid or made available for payment. The period beginning on
[                    ] and ending on but excluding the first Interest Payment Date and each successive period beginning on and including an Interest
Payment Date and ending on but excluding the next succeeding Interest Payment Date is herein called an “Interest Period”. If any Interest Payment Date (other than the Stated Maturity or a Redemption Date (pursuant to a redemption under
Section 1108 of the Indenture)) falls on a day which is not a Business Day (as defined below) such Interest Payment Date shall be postponed to the next succeeding Business Day, except that if such next succeeding Business Day is in the next
calendar month, such Interest Payment Date shall be the Business Day which precedes that day. If the Stated Maturity or a Redemption Date shall not be a Business Day, payment of the principal of and interest due on that date need not be made on that
day but may be made on the next day that is a Business Day with the same force and effect as if made on the Stated Maturity or such Redemption Date, provided that no interest shall accrue for the period from and after the Stated Maturity or such
Redemption Date. A “Business Day” means any week day on which banking or trust institutions in neither New York nor London are authorized generally or obligated by law, regulation or executive order to close. The interest so payable, and
punctually paid or duly provided for, on any Interest Payment Date will, as provided in such Indenture, be paid to the Person in whose name this Security (or one or more Predecessor Securities) is registered at the close of business on the Regular
Record Date for such interest, which shall be the 15th calendar day preceding each Interest Payment Date, whether or not such day is a Business Day. However, interest payable on the Stated Maturity or a Redemption Date of this Security will be paid
to the same Person to whom the principal is payable. Any such interest not so punctually paid or duly provided for will forthwith cease to be payable to the Holder on such Regular Record Date and may either be paid to the Person in whose name this
Security (or one or more Predecessor Securities) is registered at the close of business on a Special Record Date for the payment of such Defaulted Interest to be fixed by the Trustee, notice whereof shall be given to Holders of Securities of this
series not less than 10 days prior to such Special Record Date, or be paid at any time in any other lawful manner not inconsistent with the requirements of any securities exchange on which the Securities of this series may be listed, and upon such
notice as may be required by such exchange, all as more fully provided in said Indenture. 
 Payment of the principal of and interest on
this Security will be made at the office or agency of the Company maintained for that purpose in the Borough of Manhattan in The City of New York, in such coin or currency of the United States of America as at the time of payment is legal tender for
payment of public and private debts; provided, however, that at the option of the Company payment of interest may be made by check mailed to the address of the Person entitled thereto as such address shall appear in the Security
Register. 

  
 15 

 Reference is hereby made to the further provisions of this Security set forth on the reverse
hereof, which further provisions shall for all purposes have the same effect as if set forth at this place. 
 Unless the certificate of
authentication hereon has been executed by the Trustee referred to on the reverse hereof by manual signature, this Security shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 

  
 16 

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

			
	BP CAPITAL MARKETS AMERICA INC.
		
	        By	 	  

 Trustee’s Certificate of Authentication 

This is one of the Securities of the series designated herein referred to in the within-mentioned Indenture. 

 

			
	 The Bank of New York Mellon Trust Company, N.A., as Trustee

		
	        By	 	  

		 	Authorized Signatory

  
 Signature Page to
Global Note 

 Reverse of Security 

This Security is one of a duly authorized issue of securities of the Company (herein called the “Securities”), issued and to be
issued in one or more series under an Indenture, dated as of June 4, 2003 (herein called the “Base Indenture”), among the Company, as Issuer, BP p.l.c., as Guarantor (herein called the “Guarantor”), and The Bank of New York
Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank), as Trustee (herein called the “Trustee”, which term includes any successor trustee under the Indenture) (such Base Indenture as supplemented by the
[                    ] Supplemental Indenture, dated as of [            ], 2018 (the
“Indenture”)) to which Indenture and all indentures supplemental thereto reference is hereby made for a statement of the respective rights, limitation of rights, duties and immunities thereunder of the Company, the Guarantor, the Trustee
and the Holders of the Securities and of the terms upon which the Securities are, and are to be, authenticated and delivered. This Security is one of the series designated on the face hereof, initially limited to
$[        ] in aggregate principal amount. 
 The rate at which interest shall accrue on the unpaid
principal amount of this Security for each Interest Period shall be the relevant Interest Rate (as defined below) for that Interest Period and payments of interest on this Security will include interest accrued to but excluding the respective
Interest Payment Dates. Such interest shall accrue on the basis of the actual number of days in each Interest Period and a year of 360 days. 

This Security will accrue interest for each Interest Period at a per annum rate, subject to a maximum interest rate permitted by New York or
other applicable state law, as such law may be modified by United States law of general application (the “Interest Rate”). The Interest Rate for any Interest Period will be Three-Month LIBOR, as determined by the Calculation Agent on the
Interest Determination Date (or [                    ], if applicable), plus the Spread. The Interest Rate will be reset quarterly on each
Interest Reset Date. 
 [“Bloomberg L.P.’s page ‘BBAM’” means the display designated as Bloomberg L.P.’s page
“BBAM”, or any successor service for the purpose of displaying the London interbank rates of major banks for U.S. dollars. Bloomberg L.P.’s page “BBAM” is the display designated as “BBAM”, or such other page as may
replace Bloomberg L.P.’s page “BBAM” on that service or such other service or services as may be nominated for the purpose of displaying London interbank offered rates for U.S. dollar deposits by ICE Benchmark Administration Limited
(“IBA”) or its successor or such other entity assuming the responsibility of IBA or its successor in calculating the London Interbank Offered Rate in the event IBA or its successor no longer does so.] 

“Calculation Agent” means The Bank of New York Mellon Trust Company, N.A., acting as calculation agent for this Security [under the
Calculation Agency Agreement, dated as of [                    ], among the Company, the Guarantor and The Bank of New York Mellon Trust Company,
N.A., or its successor appointed by the Company]. 

  
 18 

 “Interest Determination Date” means for a particular Interest Reset Date the
second London Business Day preceding such Interest Reset Date. 
 “Interest Reset Date” means the
[                    ]th calendar day of each March, June, September and December, beginning
[                    ]. In the event any Interest Reset Date is not a Business Day, then the Interest Reset Date will be the next succeeding day
which is a Business Day, unless that next succeeding Business Day falls in the next succeeding calendar month, in which case the relevant Interest Reset Date will be the immediately preceding Business Day. 

“London Business Day” means any week day on which banking or trust institutions in London are not authorized generally or obligated
by law, regulation or executive order to close [, on which dealings in deposits in U.S. dollars are transacted in the London interbank market]. 

[“Reuters Page LIBOR01” means the display designated as the Reuters screen “LIBOR01”, or any successor service for the
purpose of displaying the London interbank rates of major banks for U.S. dollars. The Reuters screen “LIBOR01” is the display designated as the Reuters screen “LIBOR01”, or such other page as may replace the Reuters screen
“LIBOR01” on that service or such other service or services as may be nominated for the purpose of displaying London interbank offered rates for U.S. dollar deposits by ICE Benchmark Administration Limited (“IBA”) or its
successor or such other entity assuming the responsibility of IBA or its successor in calculating the London Interbank Offered Rate in the event IBA or its successor no longer does so.] 

“Spread” means [    ]%. 

“Stated Maturity” means [                ]. 

“Three-Month LIBOR” means for any Interest Period the rate for deposits in U.S. dollars having a maturity of three months commencing
on the Interest Reset Date (or [                    ], if applicable) that appears on [the Reuters Page LIBOR01] [Bloomberg L.P.’s page
“BBAM”] as of 11:00 A.M., London time, on the preceding Interest Determination Date (or [                    ], if applicable). If
such rate does not appear on such page at such time, then the Calculation Agent will request the principal London offices of each of four major reference banks in the London interbank market, as selected and identified by the Company, to provide the
Calculation Agent with its offered quotation for deposits in U.S. dollars for the period of three months, commencing on the Interest Reset Date (or
[                    ], if applicable), to prime banks in the London interbank market at approximately 11:00 A.M., London time, on the preceding
Interest Determination Date (or [                    ], if applicable) and in a principal amount that is representative for a single transaction in
U.S. dollars in that market at that time. If at least two quotations are provided, then Three-Month LIBOR on that Interest Determination Date (or
[                    ], if applicable) will be the arithmetic mean of those quotations. If fewer than two quotations are provided, then Three-Month
LIBOR on the Interest Determination Date (or [                    ], if applicable) will be the arithmetic mean of the rates quoted at approximately
11:00 A.M., in The City of New York, on the Interest 

  
 19 

 
Determination Date (or [                    ], if applicable) by three major banks in The City
of New York selected and identified by the Company for loans in U.S. dollars to leading European banks, having a three-month maturity and in a principal amount that is representative for a single transaction in U.S. dollars in that market at
that time; provided, however, that if the banks selected and identified by the Company are not providing quotations in the manner described by this sentence, Three-Month LIBOR determined as of that Interest Determination Date will be Three-Month
LIBOR in effect on that Interest Determination Date (i.e., the same as the rate determined for the immediately preceding interest reset date). 

All calculations made by the Calculation Agent for the purposes of calculating the interest rates on this Security shall be conclusive and
binding upon the beneficial owners and Holders of this Security, the Company, the Guarantor and the Trustee, absent manifest error. 
 This
Security is not redeemable prior to the Stated Maturity, except that this Security may be redeemed pursuant to Section 1108 of the Indenture; the date specified for the Securities of this series, for purposes of said Section 1108, is
[                    ]. 
 If an Event
of Default with respect to Securities of this series shall occur and be continuing, the principal of the Securities of this series may be declared due and payable in the manner and with the effect provided in the Indenture. 

The Indenture permits, with certain exceptions as therein provided, the amendment thereof and the modification of the rights and obligations
of the Company and the Guarantor and the rights of the Holders of the Securities of each series to be affected under the Indenture at any time by the Company, the Guarantor and the Trustee with the consent of the Holders of a majority in principal
amount of the Securities at the time Outstanding of each series to be affected. The Indenture also contains provisions permitting the Holders of specified percentages in principal amount of the Securities of each series at the time Outstanding, on
behalf of the Holders of all Securities of such series, to waive compliance by the Company or the Guarantor, or both, with certain provisions of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or
waiver by the Holder of this Security shall be conclusive and binding upon such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange herefor or in lieu hereof, whether
or not notation of such consent or waiver is made upon this Security. 
 As provided in and subject to the provisions of the Indenture, the
Holder of this Security shall not have the right to institute any proceeding with respect to the Indenture or for the appointment of a receiver or trustee or for any other remedy thereunder, unless such Holder shall have previously given the Trustee
written notice of a continuing Event of Default with respect to the Securities of this series, the Holders of not less than 25% in principal amount of the Securities of this series at the time Outstanding shall have made written request to the
Trustee to institute proceedings in respect of such Event of Default 

  
 20 

 
as Trustee and offered the Trustee reasonable indemnity, and the Trustee shall not have received from the Holders of a majority in principal amount of Securities of this series at the time
Outstanding a direction inconsistent with such request, and shall have failed to institute any such proceeding, for 60 days after receipt of such notice, request and offer of indemnity. The foregoing shall not apply to any suit instituted by the
Holder of this Security for the enforcement of any payment of principal hereof or interest hereon on or after the respective due dates expressed or provided for herein. 

No reference herein to the Indenture and no provision of this Security or of the Indenture shall alter or impair the obligation of the
Company, which is absolute and unconditional, to pay the principal of and interest on this Security at the times, place and rate, and in the coin or currency, herein prescribed. 

As provided in the Indenture and subject to certain limitations therein set forth, the transfer of this Security is registrable in the
Security Register, upon surrender of this Security for registration of transfer at the office or agency of the Company in any place where the principal of and interest on this Security are payable, duly endorsed by, or accompanied by a written
instrument of transfer in form satisfactory to the Company and the Security Registrar duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon one or more new Securities of this series, of authorized
denominations and for the same aggregate principal amount, will be issued to the designated transferee or transferees. 
 The Securities of
this series are issuable only in registered form without coupons in denominations of $1,000 and integral multiples of $1,000 in excess thereof. As provided in the Indenture and subject to certain limitations therein set forth, Securities of this
series are exchangeable for a like aggregate principal amount of Securities of this series of a different authorized denomination, as requested by the Holder surrendering the same. 

No service charge shall be made for any such registration of transfer or exchange, but the Company may require payment of a sum sufficient to
cover any tax or other governmental charge payable in connection therewith. 
 Prior to due presentment of this Security for registration of
transfer, the Company, the Guarantor, the Trustee and any agent of the Company, the Guarantor or the Trustee may treat the Person in whose name this Security is registered as the owner hereof for all purposes (subject to Section 307 of the
Indenture), whether or not this Security be overdue, and neither the Company, the Guarantor, the Trustee nor any such agent shall be affected by notice to the contrary. 

The Indenture provides that the Company and the Guarantor, at the Guarantor’s option, (a) will be discharged from any and all
obligations in respect of the Securities (except for certain obligations to register the transfer or exchange of Securities, replace stolen, lost or mutilated Securities, maintain paying agencies and hold moneys for payment in trust) or
(b) need not comply with certain restrictive covenants of the 

  
 21 

 
Indenture, in each case if the Company or the Guarantor deposits, in trust, with the Trustee money or Government Obligations which through the payment of interest thereon and principal thereof in
accordance with their terms will provide money, in an amount sufficient to pay all the principal of and interest on the Securities on the dates such payments are due in accordance with the terms of such Securities and Guarantees, and certain other
conditions are satisfied. 
 Except in the limited circumstances described in Section 305 of the Indenture, the Securities of this
series shall be issued in the form of one or more Global Securities and The Depository Trust Company shall be the Depositary for such Global Security or Securities. All terms used in this Security which are defined in the Indenture shall have the
meanings assigned to them in the Indenture. 
 This Security shall be governed by and construed in accordance with the laws of the State of
New York, except that the authorization and execution of this Security shall be governed by the laws of the jurisdiction of organization of the Company. 

  
 22 

 GUARANTEE OF BP p.l.c. 

For value received, BP p.l.c., a corporation duly organized and existing under the laws of England and Wales (herein called the
“Guarantor”, which term includes any successor corporation under the Indenture referred to in the Security upon which this Guarantee is endorsed), hereby unconditionally guarantees to the Holder of the Security upon which this Guarantee is
endorsed and to the Trustee referred to in such Indenture due and prompt payment of the principal of and interest on such Security when and as the same shall become due and payable, whether at the Stated Maturity, by declaration of acceleration,
call for redemption or otherwise, according to the terms thereof and of the Indenture referred to therein. In case of the failure of BP Capital Markets America Inc., a corporation duly organized and existing under the laws of the State of Delaware
(herein called the “Company”, which term includes any successor corporation under such Indenture) punctually to make any such principal or interest payment, the Guarantor hereby agrees to cause any such payment to be made promptly when and
as the same shall become due and payable, whether at the Stated Maturity, by declaration of acceleration, call for redemption or otherwise, and as if such payment were made by the Company. 

The Guarantor hereby further agrees, subject to the limitations and exceptions set forth below, that if any deduction or withholding for any
present or future taxes, assessments or other governmental charges of the jurisdiction (or any political subdivision or taxing authority thereof or therein) in which the Guarantor is incorporated, shall at any time be required by such jurisdiction
(or any such political subdivision or taxing authority) in respect of any amounts to be paid by the Guarantor under this Guarantee, the Guarantor will pay to the Holder of such Security such additional amounts as may be necessary in order that the
net amounts paid to such Holder of such Security who, with respect to any such tax, assessment or other governmental charge, is not resident in such jurisdiction, after such deduction or withholding, shall be not less than the amounts specified in
such Security to which such Holder is entitled; provided, however, that the Guarantor shall not be required to make any payment of additional amounts (1) for or on account of any such tax, assessment or governmental charge imposed by the
United States or any political subdivision or taxing authority thereof or therein or (2) for or on account of: 
 (a) any tax,
assessment or other governmental charge which would not have been imposed but for (i) the existence of any present or former connection between such Holder (or between a fiduciary, settlor, beneficiary, member or shareholder of, or possessor of
a power over, such Holder, if such Holder is an estate, trust, partnership or corporation) and the taxing jurisdiction or any political subdivision or territory or possession thereof or area subject to its jurisdiction, including, without
limitation, such Holder (or such fiduciary, settlor, beneficiary, member, shareholder or possessor) being or having been a citizen or resident thereof or being or having been present or engaged in trade or business therein or having or having had a
permanent establishment therein or (ii) the presentation of such Security (where presentation is required) for payment on a 

  
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date more than 30 days after the date on which such payment became due and payable or the date on which payment thereof is duly provided for, whichever occurs later; 

(b) any estate, inheritance, gift, sale, transfer, personal property or similar tax, assessment or other governmental charge; 

(c) any tax, assessment or other governmental charge which is payable otherwise than by withholding from payments of (or in respect of)
principal of, or any interest on, such Security; 
 (d) any tax, assessment or other governmental charge that is imposed or withheld by
reason of the failure by the Holder or the beneficial owner of such Security (i) to provide information concerning the nationality, residence or identity of the Holder or such beneficial owner or (ii) to make any declaration or other
similar claim or satisfy any information or reporting requirements, which, in the case of (i) or (ii), is required or imposed by a statute, treaty, regulation or administrative practice of the taxing jurisdiction as a precondition to exemption
from all or part of such tax, assessment or other governmental charge; 
 (e) any tax, assessment or other governmental charge which such
Holder would have been able to avoid by presenting such Security to another Paying Agent; 
 (f) any tax, assessment or other governmental
charge which is imposed on a payment pursuant to the European Union Directive approved on June 3, 2003, regarding taxation of, and information exchange member states of the European Union with respect to, interest income or any law implementing
such directive; or 
 (g) any combination of items (a), (b), (c), (d), (e) and (f) above; nor shall additional amounts be paid with
respect to any payment of the principal of, or any interest on, such Security to any Holder who is a fiduciary or partnership or other than the sole beneficial owner of such payment to the extent such payment would be required by the laws of the
jurisdiction (or any political subdivision or taxing authority thereof or therein) to be included in the income for tax purposes of a beneficiary or settlor with respect to such fiduciary or a member of such partnership or a beneficial owner who
would not have been entitled to such additional amounts had it been the Holder of such Security. 
 The foregoing provisions shall apply
mutatis mutandis to any withholding or deduction for or on account of any present or future taxes, assessments or governmental charges of whatever nature of any jurisdiction in which any successor Person to the Guarantor is organized, or any
political subdivision or taxing authority thereof or therein. 
 The Guarantor hereby agrees that its obligations hereunder shall be as if
it were principal debtor and not merely surety, and shall be absolute and unconditional, irrespective of, and shall be unaffected by, any invalidity, irregularity or unenforceability of such Security or such Indenture, any failure to enforce the
provisions of such Security or such Indenture, or any waiver, modification or indulgence granted to the Company 

  
 24 

 
with respect thereto, by the Holder of such Security or such Trustee, or any other circumstance which may otherwise constitute a legal or equitable discharge of a surety or guarantor;
provided, however, that, notwithstanding the foregoing, no such waiver, modification or indulgence shall, without the consent of the Guarantor, increase the principal amount of such Security or the interest rate thereon or impose or
increase any premium payable upon redemption thereof. The Guarantor hereby waives diligence, presentment, demand of payment, filing of claims with a court in the event of merger or bankruptcy of the Company, any right to require a proceeding first
against the Company, protest or notice with respect to such Security or the indebtedness evidenced thereby and all demands whatsoever, and covenants that this Guarantee will not be discharged except by payment in full of the principal of and
interest on such Security. This is a guarantee of payment and not of collection. 
 The Guarantor shall be subrogated to all rights of the
Holder of such Security against the Company in respect of any amounts paid to such Holder by the Guarantor pursuant to the provisions of this Guarantee; provided, however, that the Guarantor shall not be entitled to enforce, or to
receive any payments arising out of or based upon, such right of subrogation until the principal of and interest on all Securities of the same series issued under such Indenture shall have been paid in full. 

No reference herein to such Indenture and no provision of this Guarantee or of such Indenture shall alter or impair the guarantee of the
Guarantor, which is absolute and unconditional, of the due and punctual payment of the principal of and interest on the Security upon which this Guarantee is endorsed at the times, place and rate, and in the coin or currency prescribed therein. 

This Guarantee shall not be valid or obligatory for any purpose until the certificate of authentication of such Security shall have been
manually executed by or on behalf of the Trustee under such Indenture. 
 This Guarantee shall be governed by and construed in accordance
with the laws of the State of New York, except that the authorization and execution of the Guarantee shall be governed by the laws of the jurisdiction of organization of the Guarantor. 

All terms used in this Guarantee which are defined in such Indenture shall have the meanings assigned to them in such Indenture. 

  
 25 

 IN WITNESS WHEREOF, the Guarantor has caused
this Guarantee to be signed manually or in facsimile by a person duly authorized in that behalf. 
  

	
	BP P.L.C.
	  

	AUTHORIZED SIGNATORY

  

	
	Attest:
	  

	
	[            ], 2018

  
 Signature Page of the
Guarantee

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