Transaction in Own Shares

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

BP p.l.c. - 23 November 2010

BP p.l.c. announces that it transferred to participants in its employee share schemes 10,431 ordinary shares on 22 November 2010, at prices between 394.0 pence and 455.0 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,854,339,523 ordinary shares in Treasury, and has 18,792,805,243 ordinary shares in issue (excluding Treasury shares).

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