18 Northern Region ALBERTA MANITOBA SASKATCHEWAN MT SD ND Newporte Sherman/Wayne Landa Starbuck Comertown Fairview/Mondak Sioux Pass Four Mile Creek Patent Gate Flat Top Note: Highlighted area represents the Williston Basin Bakken JV Accounts for approximately 27% of reserves and 22% of total production Approximately 93% of the region’s proved reserves are oil Bakken Operated Joint Venture: Acquired 61,000 gross (42,000 net) acres in Williams Co., ND Retains 45% working interest in Area of Mutual Interest and brought in 2 industry partners Bakken Non-Operated Joint Venture: 10-18% working interest in approximately 106,000 gross acres (approximately 13,900 net acres) Current five rig program, with plan to maintain four rigs in 2010 42 joint venture operated gross wells drilled Acquired and/or participated in over 140 non-operated wells Joint venture expects to drill approximately 90 wells in the next 24 months Williston Basin Other: Starbuck & SW Starbuck waterflood installation completed in early 2008 & in early 2009 Initial response realized Additional upside in horizontal and vertical infill locations within the unit boundaries Horizontal proved undeveloped and non-proved drilling opportunities within producing fields |