2016 Capital Budget Reduced 66% from 2015 Budget with Focus on Cash Flow Neutrality

New Wells in STACK: Ladd 1-8-5XH Flows 2,181 Barrels of Oil Equivalent (Boe) per Day (79% Oil), and Marks 1-9-4XH Flows 994 Boe per Day (73% Oil)

Earnings Conference Call Scheduled for Thursday, November 5, 2015 at 12:00 p.m. ET

Production Growth Guidance of 19% to 23% Unchanged

2015 Production Growth Guidance Increased with Capital Expenditures Trending Toward $150 Million Below 2015 Budget

Earnings Conference Call Scheduled for Thursday, August 6, 2015 at 12:00 p.m. ET

Production Increases to 206,829 Barrels of Oil Equivalent per Day

Earnings Conference Call Scheduled for Thursday, May 7, 2015 at 12:00 p.m. ET

Fourth Quarter Adjusted Net Income Totals $420.8 Million, or $1.14 per Diluted Share

Proved Reserves Total 1.35 Billion Boe at Year-End 2014, a 25% Increase over Year-End 2013