BP (BP)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the reference to our firm under the caption “Experts” in the Registration Statement (Form F-3) pertaining to the BP Direct Access Plan and related Prospectus of BP p.l.c. for the registration of 30,000,000 shares of its common stock and to the incorporation by reference therein of our reports dated February 22, 2008, with respect to the group financial statements of BP p.l.c. and the effectiveness of internal control over financial reporting of BP p.l.c., included in its Annual Report (Form 20-F) for the year ended December 31, 2007, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

London, England

November 18, 2008

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements (Form S-8 No. 333-34968 and No. 333-131583) pertaining to the BP Capital Accumulation Plan of BP p.l.c of our report dated June 23, 2008, with respect to the financial statements and schedule of the BP Capital Accumulation Plan included in this Annual Report (Form 11-K) for the year ended December 31, 2007.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements (Form S-8 No. 333-09020, No. 333-79399, and No. 333-146868) pertaining to the BP DirectSave Plan of BP p.l.c of our report dated June 23, 2008, with respect to the financial statements and schedule of the BP DirectSave Plan included in this Annual Report (Form 11-K) for the year ended December 31, 2007.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements (Form S-8 No. 333-09798, No. 333-74414, No. 333-103923 and No. 333-131584) pertaining to the BP Employee Savings Plan of BP p.l.c. of our report dated June 23, 2008, with respect to the financial statements and schedules of the BP Employee Savings Plan included in this Annual Report (Form 11-K) for the year ended December 31, 2007.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements (Form S-8 No. 333-09020, No. 333-79399, and No. 333-146868) pertaining to the BP Partnership Savings Plan of BP p.l.c of our report dated June 23, 2008, with respect to the financial statements and schedules of the BP Partnership Savings Plan included in this Annual Report (Form 11-K) for the year ended December 31, 2007.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the BP Amoco 1991 Incentive Program of our reports dated February 22, 2008, with respect to the group financial statements of BP p.l.c. included in its Annual Report (Form 20-F) for the year ended December 31, 2007 and the effectiveness of internal control over financial reporting of BP p.l.c. filed with the Securities and Exchange Commission.