Transaction in Own Shares

BP p.l.c.

Transaction in own shares

BP p.l.c. announces that on 14 February 2012 it transferred the following number of ordinary shares, which were previously held as treasury shares, to participants in its employee share schemes:

Date of transfer: 14 February 2012

Number of ordinary shares transferred: 393,187

Transfer price per share: Nil

Following the above transfer, BP p.l.c. holds 20,813,962,189 ordinary shares in treasury, and has 18,977,467,497 ordinary shares in issue (excluding treasury shares).

BP p.l.c. also announces that on 15 February 2012 it transferred the following number of ordinary shares, which were previously held as treasury shares, to participants in its employee share schemes:

Date of transfer: 15 February 2012

Number of ordinary shares transferred: 562,395

Transfer price per share: £4.934

Following the above transfer, BP p.l.c. holds 20,813,962,189 ordinary shares in treasury, and has 18,978,029,892 ordinary shares in issue (excluding treasury shares).

This announcement is made in accordance with the requirements of Listing Rule 12.6.4.