Operational Update

BowLeven Plc
13 June 2007


13 June 2007


BowLeven plc ('BowLeven' or 'the Company')

Operational update : D-1 Well

BowLeven announces that it has reached target depth on the D-1 exploration well
located in Block MLHP 5 offshore Cameroon. The primary objectives of the D-1
well were to explore the presence, extent, quality and fluid phase of Upper
Miocene channelised turbidite sands.


Initial logging indicates that the D-1 well has successfully intersected
log-evaluated hydrocarbon bearing Miocene sands. Logging continues and
preparations are being made to Drill Stem Test the well.


A further update announcement will be issued shortly.



ENQUIRIES

For further information contact:

BowLeven plc
Kevin Hart, Chief Executive Officer     00 44 131 260 5100


Brunswick Group LLP
Patrick Handley                         00 44 207 404 5959
Deborah Spencer


Notes to the Editor:


BowLeven is an African oil and gas group, based in Edinburgh and traded on AIM
since December 2004.


BowLeven holds, through its wholly-owned subsidiary EurOil Limited, a 100%
equity interest in the Etinde Permit area being three shallow water blocks in
offshore Cameroon, West Africa; namely Blocks MHLP 5, MHLP 6 and MHLP 7. In
total BowLeven has approximately 2,300 km2 of exploration acreage located across
the Rio del Rey and Douala basins in the Etinde Permit. Bowleven has operated in
Cameroon since 1999.


The Cameroon Government has announced a cooperation agreement with the
Government of Equatorial Guinea to investigate a project to export gas from
Cameroon to the gas liquefaction plant on Bioko Island on Equatorial Guinea. It
is proposed that Limbe would be the gathering hub for any such scheme.


BowLeven also holds, through its wholly-owned subsidiary FirstAfrica Oil, a 100%
equity interest in the EOV offshore block in Gabon, which contains an existing
oil discovery that it is seeking to develop, and a 50% equity interest in the
Epaemeno Block which is 1,340 km2 of exploration acreage in onshore Gabon which
sits next to a number of recent discoveries in surrounding blocks.




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