CONTRACT OPERATING AGREEMENTOperating Agreement • May 15th, 2008 • Sonterra Resources, Inc. • Crude petroleum & natural gas • Texas
THIS CONTRACT OPERATING AGREEMENT (this “Contract Operating Agreement” or this “Agreement”) is entered into this 8th day of April, 2008, to be effective as of the 1st day of April, 2008 (“Effective Date”), between and among South Texas Oil Company, a Nevada corporation (“South Texas”), including its subsidiaries, STO Operating Company, a Texas corporation (“STO Operating”); STO Drilling Company, a Texas corporation (“STO Drilling”); Southern Texas Oil Company, a Texas corporation (“Southern Texas”); and STO Properties LLC, a Texas limited liability company (“STO Properties”), 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 First Part for which the Services are to be performed, whose address is 769 Highway 95 N., Bastrop, Texas 78602, and Sonterra Operating, Inc., a Delaware corporat
