Transaction in Own Shares

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

BP p.l.c. - 18 January 2011

BP p.l.c. announces that it transferred to participants in its employee share schemes 575,716 ordinary shares on 13 January 2011 and 53,055 ordinary shares on 17 January 2011 at prices between 364.8 pence and 492.5 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,849,915,358 ordinary shares in Treasury, and has 18,797,305,008 ordinary shares in issue (excluding Treasury shares).

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