Transaction in Own Shares

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

BP p.l.c. - 3 December 2010

BP p.l.c. announces that on 2 December 2010 it transferred to participants in its employee share schemes 2,946,158 ordinary shares, at prices between 420.0 pence and 455.0 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,851,380,388 ordinary shares in Treasury, and has 18,795,764,378 ordinary shares in issue (excluding Treasury shares).

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