Transaction in Own Shares

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

BP p.l.c. - 22 February 2011

BP p.l.c. announces that it transferred to participants in its employee share schemes 36,066 ordinary shares on 21 February 2011 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 1,848,690,757 ordinary shares in Treasury, and has 18,798,591,463 ordinary shares in issue (excluding Treasury shares).

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