EXHIBIT 99.1 SUBSCRIPTION AGENT AGREEMENT THIS AGREEMENT is entered into as of _____________, 2001 by and between Tipperary Corporation, a Texas corporation (the "Company"), and Computershare Trust Company, Inc., d.b.a. Computershare Investor Services...Subscription Agent Agreement • April 17th, 2001 • Tipperary Corp • Crude petroleum & natural gas • Colorado
