Transaction in Own Shares

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

BP p.l.c. - 26 September 2011

BP p.l.c. announces that it transferred 505,045 ordinary shares to participants in its employee share schemes on 23rd September 2011 at a price of 487.00 pence per share. These shares were previously held as treasury shares.

Following the above transactions, BP p.l.c. holds 1,842,665,861 ordinary shares in Treasury, and has 18,959,146,103 ordinary shares in issue (excluding Treasury shares).

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