EXHIBIT 4.1 AMENDMENT TO RIGHTS AGREEMENT Amendment dated as of February 25, 2004, to the Rights Agreement, dated as of September 12, 1997 (the "Rights Agreement"), between Mission Resources Corporation, a Delaware corporation formerly known as...Rights Agreement • February 26th, 2004 • Mission Resources Corp • Crude petroleum & natural gas • Delaware
ARTICLE 1Purchase and Sale Agreement • February 26th, 2004 • Mission Resources Corp • Crude petroleum & natural gas • New York
EXHIBIT 99.3 REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT ("Agreement") is made as of February 25, 2004 by Mission Resources Corporation, a Delaware corporation (the "Company") and the persons listed as the Investors on the...Registration Rights Agreement • February 26th, 2004 • Mission Resources Corp • Crude petroleum & natural gas • New York
