Whiting Oil & Gas Corporation1700 Broadway, , Suite 2300 , Denver, Colorado, United States

Whiting Petroleum Corporation is one of the largest independent exploration and production companies in the USA with an oil focused asset base. We control one of the largest acreage positions in the Bakken/Three Forks resource play in the Williston Basin of North Dakota and Montana with 449,857 net acres in the oil productive sweet spots of the basin encompassing approximately 5,250 potential gross drilling locations. From the Bakken and Three Forks resource play we have consistently been a top oil producer in North Dakota and across the Williston Basin. In the new and large oil prone sweet spot of the eastern DJ Basin of Colorado, we have 134,771 net acres. Similar to our Bakken and Three Forks acreage position, we are rapidly growing our Niobrara A, B, C and Codell interval production and have over 5,400 potential gross drilling locations in these zones.