Transaction in Own Shares

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

BP p.l.c. - 14 April 2010

BP p.l.c. announces that on 13 April 2010 it transferred to participants in its employee share schemes 5,000,000 ordinary shares at a price of 640.00 pence per share. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,861,271,384 ordinary shares in Treasury, and has 18,783,110,742 ordinary shares in issue (excluding Treasury shares).

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