BP Discovery in Angola

BP PLC
24 April 2007

April 24, 2007

                      BP MAKES THIRTEENTH OIL DISCOVERY IN
                        ULTRA-DEEP WATER BLOCK 31 ANGOLA

Sociedade Nacional de Combustiveis de Angola (Sonangol) and BP Exploration
(Angola) Limited today announced the Miranda oil discovery in ultra-deepwater
Block 31, offshore Angola. Miranda is the thirteenth discovery that BP has
drilled in Block 31. The well is located 11 kilometres south of the recently
announced Titania discovery.

Miranda was drilled by the Jack Ryan drill ship, in a water depth of 2,436
metres, some 375 kilometres northwest of Luanda and reached a total depth of
5,116 metres TVD below sea level.

The well was tested at a flow rate of 3,822 barrels of oil per day (b/d) through
a 48/64ths inch choke.

Sonangol is the concessionaire of Block 31. BP Exploration (Angola) Limited as
operator holds 26.67 per cent. The other interest owners in Block 31 are Esso
Exploration and Production Angola (Block 31) Limited (25 per cent), Sonangol
E.P. (20 per cent), Statoil Angola A.S. (13.33 per cent), Marathon International
Petroleum Angola Block 31 Limited (10 per cent) and TEPA (BLOCK 31) LIMITED, (a
subsidiary of the Total Group) with 5 per cent.

Notes to Editors

BP's involvement with Angola goes back to the mid 1970s. During the 1990s, BP
made very substantial investments in Angola's offshore oil and it is now an
important part of the company's upstream portfolio. BP has interests in four
blocks with operated interests in two.

Operatorship of Block 31 was awarded to BP Exploration (Angola) Limited in May
1999. The block covers an area of 5,349 square kilometres and lies in water
depths of between 1,500 and 2,500 metres.

BP also has operated interests (BP 50.00 per cent equity) in Block 18 where the
Greater Plutonio Project is currently being developed and is due to come on
stream in 2007.

BP has non-operated interests in Block 15, operated by Esso Exploration Angola
(Block 15) Limited (BP 26.67 per cent equity) and in Block 17 operated by Total
(BP 16.67 per cent equity).

BP also has a 13.6 per cent interest in the Angola LNG project.

Further enquiries:

Robert Wine, BP Press Office, London: [phone]
Amilcar da Costa, BP Angola, Luanda: [phone]

- ENDS -




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