EXHIBIT 99.1 PIONEER NATURAL RESOURCES COMPANY DEBT SECURITIES UNDERWRITING AGREEMENTUnderwriting Agreement • April 29th, 2002 • Pioneer Natural Resources Co • Crude petroleum & natural gas • New York
Contract Type FiledApril 29th, 2002 Company Industry Jurisdiction
FORM OF THIRD SUPPLEMENTAL INDENTUREPioneer Natural Resources Co • April 29th, 2002 • Crude petroleum & natural gas • New York
Company FiledApril 29th, 2002 Industry Jurisdiction
FORM OF GUARANTEEPioneer Natural Resources Co • April 29th, 2002 • Crude petroleum & natural gas • New York
Company FiledApril 29th, 2002 Industry Jurisdiction