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 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 March 8, 2002 (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 Seventeenth Supplemental Indenture, dated as of November 6, 2012 (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 $1,000,000,000 in aggregate principal amount. This Security is not redeemable prior to November 6, 2015 (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 November 1, 2012. 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 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. 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 P.L.C., a corporation duly organized and existing under the laws of England and Wales (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:
