8. Acquisition of Atlantic Rim Working Interests

In October 2012, the Company exercised its preferential right to acquire additional working interest in the Catalina Unit and Spy Glass Hill Unit (which includes the former Sun Dog and Doty Mountain Units) from Anadarko Petroleum Corporation (“Anadarko”) for a total cost of $4,874. The purchase expands the Company’s presence in one of its core development areas. The effective date of this transaction was August 1, 2012.

The following table summarizes the working interest acquired as a result of the transaction, and the Company’s post-transaction total ownership in each of the participating areas.


Participating Area	Working Interest Acquired	Working Interest Following Purchase

Catalina	14.33 %	85.53 %
Sun Dog	8.73 %	28.59 %
Doty Mountain	8.73 %	26.73 %