Transaction in Own Shares

BP p.l.c. - Transaction in Own Shares

BP p.l.c. - 01 February 2011

BP p.l.c. announces that it transferred to participants in its employee share schemes 51,998 ordinary shares on 31 January 2011 at prices between 394.0 pence and 487.0 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,849,765,520 ordinary shares in Treasury, and has 18,797,492,046 ordinary shares in issue (excluding Treasury shares).

Enquiries: Fergus MacLeod, BP p.l.c. Tel: 020 7496 4632