Dorchester Minerals, L.P. is engaged in the acquisition, ownership and administration of Royalty Properties and Net Profits Interests (NPIs). The Royalty Properties consist of producing and non-producing mineral, royalty, overriding royalty, net profits and leasehold interests located in approximately 574 counties and parishes in 25 states. The NPIs represent net profits overriding royalty interests in various properties owned by the Company. Wells with such overlapping interests are counted in both categories. It owns NPIs in 12 states and 65 counties/parishes covering 144,000 gross acres and 81,000 net acres. . In some wells, the Company owns both a royalty interest and a net profits interest. The Company owns varying undivided perpetual mineral interests in approximately 70,000/9,000 gross/net acres located in Burke, Divide, Dunn, McKenzie, Mountrail and Williams Counties, North Dakota of Horizontal Bakken, Williston Basin.