Berry Petroleum Co., Bakersfield, Calif., (NYSE: BRY) has purchased a 50% working interest in approximately 70,000 gross (60,000 net) undeveloped acres in Phillips and Sedgwick counties, Colorado, from Chandler Energy LLC. This additional leasehold position is adjacent to Berry's producing assets in Yuma County. Berry is operator of the acreage and expects to drill the first delineation wells in mid-2006. The company's interest in this shallow gas development area now totals approximately 550,000 acres.