Transaction in Own Shares

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

BP p.l.c. - 16 December 2010

BP p.l.c. announces that it transferred to participants in its employee share schemes 567,278 ordinary shares on 15 December 2010 at prices between 364.8 pence and 641.1 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,850,787,223 ordinary shares in Treasury, and has 18,796,372,843 ordinary shares in issue (excluding Treasury shares).

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