Exhibit 10.4 ------------ _\|/_ Prima Oil & Gas Company December 13, 2001 Unioil Joseph Associates of Greeley, Inc. P.O. Box 310 Evans, CO 80620 RE: Farmout/Farmout Option Agreement dated 11/7/96 Weld County, Colorado Gentlemen: Due to the drop in oil...Unioil • May 24th, 2005 • Crude petroleum & natural gas
