1. Eagle Ford Shale Study November 11, 2010

2. Overview Map Eagle Ford Shale Study – Area Overview

3. Total Historical Production Stacked by Area Eagle Ford Shale Study – Area Overview

4. Horizontal Well Production Stacked by Area Eagle Ford Shale Study – Area Overview

5. Area 1 (South Texas) Operator Ranking *Notes: Above based on gross, operated data Eagle Ford Shale Study – Area Overview

6. Area 2 (Gulf Coast Texas) Operator Ranking *Notes: Above based on gross, operated data Eagle Ford Shale Study – Area Overview

7. Area 1 (South Texas) Operators by Drill Type *Notes: Above based on gross, operated data Eagle Ford Shale Study – Area Overview

8. Area 2 – Gulf Coast Texas Operators by Drill Type *Notes: Above based on gross, operated data Eagle Ford Shale Study – Area Overview

9. Area 1 – South Texas Type Curve Comparison by Drill Type Eagle Ford Shale Study – Area Overview

10. Area 2 – Gulf Coast Texas Type Curve Comparison by Drill Type Eagle Ford Shale Study – Area Overview

11. Area 1 – South Texas Type Curve for Horizontal Wells Drilled Since 2006 Eagle Ford Shale Study – Area Overview

12. Area 2 – Gulf Coast Texas Type Curve for Horizontal Wells Drilled Since 2006 Eagle Ford Shale Study – Area Overview

13. Area 1 – South Texas Horizontal Production Stacked by Vintage Eagle Ford Shale Study – Area Overview

14. Area 2 – Gulf Coast Texas Horizontal Production Stacked by Vintage Eagle Ford Shale Study – Area Overview

15. Production Stacked by Operator Eagle Ford Shale Study – A Closer Look at South Texas *Notes: Above based on gross, operated data

16. Type Curve Comparison by Operator *Notes: Above based on gross, operated data Eagle Ford Shale Study – A Closer Look at South Texas

17. Cumulative Production by Operator by Drill Type *Notes: Above based on gross, operated data Eagle Ford Shale Study – A Closer Look at South Texas

18. Cumulative Production by Operator by Product *Notes: Above based on gross, operated data Eagle Ford Shale Study – A Closer Look at South Texas

19. IP Analysis Eagle Ford Shale Study – A Closer Look at South Texas

20. IP Analysis - IP vs. Horizontal Length (feet) by Vintage Eagle Ford Shale Study – A Closer Look at South Texas

21. IP Analysis by Product Eagle Ford Shale Study – A Closer Look at South Texas

22. IP Analysis by Operator *Notes: Above based on gross, operated data Eagle Ford Shale Study – A Closer Look at South Texas

23. Gross Acreage Leased by Year Eagle Ford Shale Study – A Closer Look at South Texas

24. Permits Issued by Drill Type Since 2000 Eagle Ford Shale Study – A Closer Look at South Texas

25. Active Permits by Operator by Drill Type Since 2008 Eagle Ford Shale Study – A Closer Look at South Texas

26. Data sources: HPDI.Com DrillingInfo.Com Notes: 1. Production data as of August 31, 2010 2. Leasing data as of September 30, 2010 (Recording Date) 3. Permit data as of October 22, 2010 4. Production and permit data are specific to the Eagle Ford shale reservoir, while leasing data includes all reservoirs within the specified areas 5. Horizontal length estimated by distance between surface and permitted bottom hole lat/longs 6. IP’s calculated using maximum month of reported production, and converted to daily rate Eagle Ford Shale Study