Proved Reserves:

• Proved producing reserves of 3.8 MMboe as of December 31, 2011
• Total proved reserves of 8.9 MMboe as of December 31, 2011

Current Production:

• ~90% crude oil
• ~85% from the Williston Basin
• 260 gross wells on production in the Williston Basin

Acerage:

• 81,740 net acres in the Williston Basin
  • 46,500 net acres in North Dakota
  • 35,240 net acres in Tableland
• 49,519 net acres located in Alberta

Drilling Opportunities:

• Over 490 net locations identified in the Williston Basin
  • Drilling locations targeting the Middle Bakken / Three Forks Sanish
• 6-7 drilling rigs currently running in the Williston Basin
• Net Unrisked Net Resources Potential of ~114 MMboe