ࡱ>  l \pThe Free Software Foundation B=PF0*8X@"1 Helvetica1Courier1 Courier New1 Courier New1 Helvetica$#,##0_);($#,##0)$#,##0_);[Red]($#,##0)$#,##0.00_);($#,##0.00)$#,##0.00_);[Red]($#,##0.00)-**_($* #,##0_);_($* (#,##0);_($* "-"_);_(@_)*)'_(* #,##0_);_(* (#,##0);_(* "-"_);_(@_)5,2_($* #,##0.00_);_($* (#,##0.00);_($* "-"??_);_(@_)2+/_(* #,##0.00_);_(* (#,##0.00);_(* "-"??_);_(@_)2$#,##0.00;[Red]$#,##0.003$#,##0.00;[Red]($#,##0.00)4$#,##0;[Red]($#,##00)50.00%;[Red](0.00%)6 0%;[Red](0%)7#,##0.00;[Red](#,##0.00)8#,##0;[Red](#,##0)                + ) , *   Ј ~~ ؈ ~~#؈ ~~"؈ ~~ ؈ ~~8#܈ ~~83ffff̙̙3f3fff3f3f33333f33&\PIONEER NATURAL RESOURCES USA I&[PIONEER NATURAL RESOURCES U (1)$ NOTES TO FINANCIAL STATEMENTS&A$PIONEER NATURAL RESOURCES U (2) l  ) dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??!PIONEER NATURAL RESOURCES U (1)NOTES TO FINANCIAL STATEMENTS!PIONEER NATURAL RESOURCES U (2)U } a/} <}  )    $PIONEER NATURAL RESOURCES CO 11-K 06/25/2001+#PIONEER NATURAL RESOURCES USA, INC.   December 31,    2000 1999 "Investments at fair value:  Vanguard Primecap Fund~ R ~ fp)*" Vanguard Prime Money Market Fund~ y~ "T! Vanguard 500 Index Fund~  =~  " Vanguard Windsor II Fund~ N~ V9& Vanguard - ST Corporate Fund~ ~  ,$ Vanguard International Growth Fund~ >~ ;//' Vanguard Total Bond Market Index Fund~ zw~ ( Vanguard Asset Allocation Fund~ Zv~  Sarofim Equity Fund~ Jm~ D.& Pioneer Natural Resources Stock Fund~ .E~ ~ Z(~ 2,Participants' loans~ 2J~ RDl_G/sgAv4S \P( !"#$%&'(   !+"# Net assets available for benefits~ " s~ "###$%$&____________________________1')Created by Morningstar Document Research.0((http://documentresearch.morningstar.com/aUI!=PF0*8X> @((''&& l  *@ dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??!PIONEER NATURAL RESOURCES USA INOTES TO FINANCIAL STATEMENTS!PIONEER NATURAL RESOURCES U (2)U } y<} y *    $PIONEER NATURAL RESOURCES CO 11-K 06/25/2001+#PIONEER NATURAL RESOURCES USA, INC.   . &Additions to net assets attributed to:  Net investment income:)! Interest and dividend income~ :2 Net appreciation in fair value of investments~ p~ ?2  Employee contributions~  Rollovers~ R Total additions~ 1)Deductions from net assets attributed to:' Distributions to participants~ Q Fees~ V? Total deductions~  Net decrease~ DLlwk_SG;/#F.kS~f !"#$%&'()* "Net assets available for benefits:! Beginning of year~ !""# End of year~ # s$$%&$'____________________________1()Created by Morningstar Document Research.0)(http://documentresearch.morningstar.com/#fNB6=PF0*8X> @))(('' l  # dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??!PIONEER NATURAL RESOURCES USA I!PIONEER NATURAL RESOURCES U (1)!PIONEER NATURAL RESOURCES U (2)U } y<} y     $PIONEER NATURAL RESOURCES CO 11-K 06/25/2001%NOTES TO FINANCIAL STATEMENTS  : 2 Pioneer Natural Resources Stock Fund~ 5 - Registered Investment Companies  ( 1,122,370)~ p$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/.}qeYMA5fNB6=PF0*8X> @ l  4/,6 dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??!PIONEER NATURAL RESOURCES USA I!PIONEER NATURAL RESOURCES U (1)NOTES TO FINANCIAL STATEMENTSU } } 0.} 0}  4    $PIONEER NATURAL RESOURCES CO 11-K 06/25/2001+#PIONEER NATURAL RESOURCES USA, INC. (c)   Description of  (b) investment including  Identity of issuer, maturity date, rate of (e)  borrower, lessor,! interest, collateral, par Current (a)or similar partyor maturity valueValue  *( Vanguard Fiduciary Trust Company Vanguard Primecap Fund -350,252 shares~ R   *( Vanguard Fiduciary Trust Company*"Vanguard Prime Money Market Fund -12,394,091 shares~ y  *( Vanguard Fiduciary Trust Company!Vanguard 500 Index Fund -77,145 shares~  =  *( Vanguard Fiduciary Trust Company"Vanguard Windsor II Fund -239,920 shares~ N  *( Vanguard Fiduciary Trust Company&Vanguard - ST Corporate Fund -292,252 shares~   *( Vanguard Fiduciary Trust Company%Vanguard International GrowthFund - 54,488 shares~ >  *( Vanguard Fiduciary Trust Company*"Vanguard Total Bond Market Index -22,152 shares~ zwD lG#G1%bVvm' !"#$%&'()*+,-./0123  *(  Vanguard Fiduciary Trust Company& Vanguard Asset Allocation Fund!!! 5,165 shares~ !Zv""Fayez Sarofim & Co.,"$Sarofim Equity Fund - 234,013 shares~ "Jm # *)#!Pioneer Natural Resources Company.#&Pioneer Natural Resources Stock Fund -$$$751,239 units~ $.E % *%Participants' loans0%(Interest rates range from 8.75% to 10.5%~ %2J&&&&'(((~ ( s))))**+ *Party in+ in-interest,- Note: Col.-&Column (d) is not applicable since all#-investments are participant. dir. directed./0$1____________________________12)Created by Morningstar Document Research.03(http://documentresearch.morningstar.com/,|]Gi9!{QE9=PF0*8X> @332211 Root Entry FBook  6