Transaction in Own Shares

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

BP p.l.c. - 16 September 2010

BP p.l.c. announces that it transferred 619,948 ordinary shares on 15 September 2010 to participants in its employee share schemes at prices between 432.75 pence per share and 455.0 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,855,596,213 ordinary shares in Treasury, and has 18,791,520,053 ordinary shares in issue (excluding Treasury shares).

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