ULTRA RESOURCES, INC. MASTER NOTE PURCHASE AGREEMENT Dated as of March 6, 2008 Initial Issuance of $100,000,000 5.45% Senior Notes, Series 2008-A, due March 1, 2015 $200,000,000 5.92% Senior Notes, Series 2008-B, due March 1, 2018Master Note Purchase Agreement • March 10th, 2008 • Ultra Petroleum Corp • Crude petroleum & natural gas • New York
