Transaction in Own Shares

BP PLC
31 March 2008

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

BP p.l.c.  -  31 March 2008



BP p.l.c. announces that on 31 March 2008, it transferred 30,000,000 ordinary
shares into the BP Employees Share Ownership Plan No. 3. These shares will be
used for satisfying employee share schemes. 20,000,000 shares were transferred
at a price of $10.17 a share; 10,000,000 shares were transferred to the trust
free of payment.



These shares were previously held as treasury shares.



Following the above transactions, BP p.l.c. holds 1,907,773,839 ordinary shares
in Treasury, and has 18,877,518,140  ordinary shares in issue (excluding
Treasury shares).



Enquiries: Fergus MacLeod, BP p.l.c.    Tel : [phone]




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