Transaction in Own Shares

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

BP p.l.c. - 28 February 2011

BP p.l.c. announces that it transferred to participants in its employee share schemes 76,290 ordinary shares on 25 February 2011 prices between 441.0 pence and 455.0 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,848,595,774 ordinary shares in Treasury, and has 18,798,701,746 ordinary shares in issue (excluding Treasury shares).

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