Transaction in Own Shares

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

BP p.l.c. - 23 February 2010

BP p.l.c. announces that on 22 February 2010 it transferred to participants in its employee share schemes 54,252 ordinary shares at prices between 386.00 pence and 500.00 pence. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,867,930,970 ordinary shares in Treasury, and has 18,768,830,478 ordinary shares in issue (excluding Treasury shares).

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