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
       GeoPark Limited -25.2% -20.3%   -19.3%  
       Petrobras Argentina SA 15.3% 10.4%   -31.8%  
       YPF Sociedad Anonima 30.0% 27.1%   -9.7%