Transaction in Own Shares

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

BP p.l.c. - 22 October 2010

BP p.l.c. announces that on 21 October 2010 it transferred to participants in its employee share schemes 1,198 ordinary shares at a price of 441.0 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,854,950,087 ordinary shares in Treasury, and has 18,792,166,179 ordinary shares in issue (excluding Treasury shares).

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