EXHIBIT 10.27 PLEDGE AND SECURITY AGREEMENT From ("Debtors"): SUMMO USA CORPORATION, a Colorado corporation ("SUMMO"), whose chief executive office is at 1776 Lincoln Street, Suite 900, Denver, Colorado 80203 and LISBON VALLEY MINING CO. LLC, a Utah...Pledge and Security Agreement • April 14th, 1999 • St Mary Land & Exploration Co • Crude petroleum & natural gas • Colorado
RECITALSCredit Agreement • April 14th, 1999 • St Mary Land & Exploration Co • Crude petroleum & natural gas • Colorado
K:\COMMON\STMARY\SUMMO\Deed of Trust.01.wpd 1Rents and Security Agreement • April 14th, 1999 • St Mary Land & Exploration Co • Crude petroleum & natural gas • Utah
