DFM Properties Ltd., Ivy Oil Company LLC, Marco Exploration LLC

DFM Properties Ltd., Ivy Oil Company LLC and Marco Exploration LLC is selling a multiple-well Barnett shale package of overriding royalty interests in Parker, Tarrant, Denton, Johnson, Wise, Hood, Hill, Erath and Bosque counties, Texas, via auction at EnergyNet.com. Combined, these properties have produced an average of approximately 30 million cubic feet and 92 barrels of oil per day during the past six months and an average net monthly income of approximately $89,973.