ROACE Pret-tax 2006-7

All Financial Data in US Dollars.
Corporate Financials
 Key Financials
  Key Ratios (%)
     ROACE (pre-tax & pre non-recurring) % Data Growth
  2006 2007 2007
       Abbot Group (IFRS) 8.2% -   -  
       Abbot Group (UK+IFRS) 8.2% -   -  
       Afren Plc. -12.8% -11.6%   -9.0%  
       Amerisur Resources Plc -20.6% -14.4%   -29.9%  
       Ascent Resources Plc -22.3% -26.3%   +18.1%  
       Baron Oil PLC -20.9% -40.4%   +93.1%  
       BG Group 36.2% 34.6%   -4.5%  
       Borders & Southern Petroleum Plc -6.9% -4.2%   -39.4%  
       Bowleven Plc -6.2% -10.6%   +72.4%  
       BP Plc. 27.3% 24.5%   -10.0%  
       BP Plc. (Hess) 27.3% 24.5%   -10.0%  
       Cabot Energy Plc -13.3% 0.5%   n/a  
       Cairn Energy Plc 0.9% -1.6%   n/a  
       Dana Petroleum 30.6% 29.9%   -2.0%  
       Desire Petroleum -11.5% -4.4%   -61.5%  
       Echo Energy Plc -7.3% -9.3%   +27.6%  
       Egdon Resources Plc -8.2% -4.1%   -50.4%  
       Emerald Energy 9.4% 9.2%   -2.1%  
       Empyrean Energy Plc -10.6% -9.2%   -12.5%  
       Encore Oil -4.6% -8.9%   +92.0%  
       Equator Exploration -15.8% -   -  
       Europa Oil & Gas (Holdings) Plc 11.1% 15.4%   +39.1%  
       Falkland Oil and Gas -7.9% -7.0%   -12.1%  
       Faroe Petroleum plc -10.9% -7.9%   -27.6%  
       Genesis Petroleum -52.3% -9.4%   -82.0%  
       Gulf Keystone Petroleum Ltd -13.1% -9.4%   -28.0%  
       Gulfsands Petroleum Plc 13.2% 4.3%   -67.6%  
       Hardy Oil & Gas PLC 16.4% 8.0%   -51.1%  
       Heritage Oil Plc. -37.0% -32.8%   -11.5%  
       Imperial Energy -7.9% -7.8%   -1.8%  
       JKX Oil & Gas 50.3% 52.0%   +3.3%  
       Lansdowne Oil & Gas Plc -16.8% -24.4%   +45.2%  
       Max Petroleum Plc - -12.3%   -  
       Mediterranean Oil and Gas -7.8% -3.0%   -62.0%  
       Melrose Resources 8.9% -2.2%   n/a  
       Nautical Petroleum -2.8% -2.3%   -16.7%  
       Nautilus Marine Services PLC 6.4% 10.9%   +70.0%  
       Nostrum Oil & Gas Plc 16.7% 26.7%   +59.7%  
       Pantheon Resources Plc -3.9% -12.5%   +220.5%  
       PetroLatina Energy -18.1% -23.6%   +30.0%  
       Premier Oil 37.2% 24.2%   -34.9%  
       Regal Petroleum Plc -62.7% -33.3%   -47.0%  
       Rockhopper Exploration -13.1% -7.7%   -40.9%  
       Salamander Energy -8.0% 4.3%   n/a  
       SeaEnergy Plc -33.9% -80.2%   +136.8%  
       Serica Energy Plc -7.9% -7.8%   -1.6%  
       Soco International 14.4% -0.3%   n/a  
       Sterling Energy Plc 5.0% 1.9%   -61.5%  
       Tethys Petroleum Limited -44.9% -94.0%   +109.3%  
       Tower Resources PLC -11.8% -9.9%   -15.8%  
       Tullow Oil 35.2% 15.8%   -55.0%  
       Venture Production 41.2% 24.4%   -40.8%  
       Wentworth Resources Plc -5.3% -12.9%   +143.1%  
       Woburn Energy PLC -52.6% -36.4%   -31.0%  
       Xtract Resources Plc - 19.1%   -