Exhibit 10.18 THIS AGREEMENT and PLAN OF EXCHANGE of Shares of Stock ("the Agreement"), dated as of April 1, 1996, between PETROLEUM DEVELOPMENT CORPORATION, a Nevada corporation, with its principal corporate office at 103 E. Main Street, Bridgeport,...Agreement and Plan of Exchange of Shares of Stock • September 25th, 1997 • Petroleum Development Corp • Drilling oil & gas wells
