Successful Exploration Wells 2006-7

All Financial Data in US Dollars.
Oil & Gas Operational
 Key Operating Data
  Drilling & Acreage
     Successful Exploration Wells (No.) Data Growth
  2006 2007 2007
       Anadarko Petroleum Corp. 38 18   -52%  
       Apache Corporation 60 29   -51%  
       Apco Oil and Gas International Inc 1 1   +0%  
       Approach Resources Inc 1 -   -  
       ATP Oil & Gas Corp. 2 4   +77%  
       Berry Petroleum Corporation 3 3   +0%  
       Black Hills Corp 5 3   -39%  
       Brigham Exploration Company - 1   -  
       Cabot Oil & Gas Corp. 9 5   -50%  
       Callon Petroleum 2 1   -69%  
       Carrizo Oil & Gas, Inc - 43   -  
       Chesapeake Energy Corp. 71 116   +63%  
       Chevron Corporation 44 66   +50%  
       Chevron Corporation (Hess) 44 66   +50%  
       Cimarex Energy Co. 12 37   +196%  
       Clayton Williams Energy, Inc. - 8   -  
       CNX Gas Corp - 4   -  
       Comstock Resources, Inc. - 2   -  
       Concho Resources Inc - 48   -  
       ConocoPhillips 40 129   +223%  
       ConocoPhillips (Hess) 40 129   +223%  
       Continental Resources, Inc. - 29   -  
       Denbury Resources Inc. 9 6   -27%  
       Devon Energy Corporation 107 95   -11%  
       Dominion Energy, Inc. 39 -   -  
       El Paso Corp 106 217   +105%  
       Energen Corp - 22   -  
       Energy XXI Gulf Coast, Inc. - 3   -  
       EOG Resources 49 66   +35%  
       EPL Oil & Gas Inc 9 6   -31%  
       EXCO Resources, Inc. - 3   -  
       ExxonMobil 21 19   -10%  
       ExxonMobil (Hess) 21 19   -10%  
       Forest Oil Corporation 77 30   -61%  
       Gastar Exploration Inc. 2 2   -4%  
       Goodrich Petroleum Corporation - 3   -  
       Gulfport Energy Corporation - 9   -  
       Helix Energy Solutions Group 7 11   +66%  
       Hess Corporation 8 8   +0%  
       HighPoint Resources Corporation - 3   -  
       Houston Exploration Company 12 -   -  
       Kodiak Oil & Gas Corp. 2 3   +40%  
       Marathon Oil Corp. 30 26   -13%  
       Mariner Energy - 6   -  
       McMoRan Exploration Co. 2 1   -52%  
       MDU Resources Group 4 4   +0%  
       Murphy Oil Corporation 14 2   -86%  
       National Fuel Gas 7 10   +45%  
       Newfield Exploration Company 54 13   -76%  
       Noble Energy 6 17   +175%  
       Occidental Petroleum Corporation 1 3   +400%  
       PDC Energy, Inc. - 0   -  
       Penn Virginia Corporation - 5   -  
       Petrohawk Energy Corp 71 127   +79%  
       PetroQuest Energy, Inc - 26   -  
       Pioneer Natural Resources Company 344 46   -87%  
       Plains Exploration & Production 6 32   +463%  
       Pogo Producing Company 39 -   -  
       Questar 1 0   -67%  
       Quicksilver Resources Inc 255 24   -91%  
       Range Resources Corporation - 6   -  
       Rosetta Resources Inc. - 8   -  
       SandRidge Energy, Inc. - 24   -  
       SilverBow Resources, Inc. - 2   -  
       SM Energy Company 9 6   -36%  
       Southwestern Energy Co. 40 69   +74%  
       Stone Energy Corporation 3 1   -71%  
       Ultra Petroleum Corporation 20 45   +127%  
       Unit Corp 2 5   +106%  
       Venoco 32 61   +92%  
       Virtual E&P Sector 1,363 977   -28%  
       W & T Offshore - 4   -  
       Whiting Petroleum Corporation - 6   -  
       XTO 8 18   +127%