Transaction in Own Shares

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

BP p.l.c. - 12 July 2011

BP p.l.c. announces that it transferred to participants in its employee share schemes 325 ordinary shares on 11th July 2011 at a price of 420.00 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,845,163,982 ordinary shares in Treasury, and has 18,941,724,830 ordinary shares in issue (excluding Treasury shares).

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