CONTRACT OPERATING AGREEMENTContract Operating Agreement • July 23rd, 2008 • Sonterra Resources, Inc. • Crude petroleum & natural gas • Texas
THIS CONTRACT OPERATING AGREEMENT (this “Contract Operating Agreement” or this “Agreement”) is entered into on the 18th day of July to be effective as of the 23rd day of June, 2008 (“Effective Date”), between and among Sonterra Resources, Inc., a Delaware corporation, Sonterra Operating, Inc., a Texas corperation, and Sonterra Oil & Gas, Inc., a Texas corporation (individually or collectively, “Sonterra”), Party of the First Part for which the Services are to be performed, and South Texas Oil Company, a Nevada corporation (“South Texas”), including its subsidiaries, STO Operating Company, a Texas corporation (“STO Operating”) and STO Drilling Company, a Texas corporation (“STO Drilling”), any or all of which subsidiaries of South Texas may be referred to as “Subsidiaries” and South Texas, together with such Subsidiaries, individually or collectively, may be referred to herein as “STO”, all of which collectively constitute the Party of the Second Part performing the Services for the Par
