ࡱ> @A 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#܈ ~~<#܈ ~~4#܈ ~~83ffff̙̙3f3fff3f3f33333f33TABLE OF CONTENTS&Statements of Net Assets Availa&oFor the Year Ended December 31 %R)Note 4 Fair Value Measurements6Note 4 Fair Value (1)&DEIN 752516853Plan Number 001 As+w14INDEX TO EXHIBITS l  %9 dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??!Statements of Net Assets Availa!For the Year Ended December 31  Note 4 Fair Value MeasurementsNote 4 Fair Value (1)!EIN 752516853Plan Number 001 As14INDEX TO EXHIBITSU } U5} $ }  %    $PIONEER NATURAL RESOURCES CO 11-K 06/09/2017TABLE OF CONTENTS            Page/'Report of Independent Registered Public~ Accounting Firm.&Statements of Net Assets Available for~ 1)Benefits as of December 31, 2021 and 20154,Statement of Changes in Net Assets Available~ 0(for Benefits for the Year Ended December31, 2016%Notes to Financial Statements~ 4,Schedule H; Line 4i Schedule of Assets (Held~ 6/'At End of Year) as of December 31, 2016 Signatures~ :Index to Exhibits~ >Dil}qeY5T9poKr !"#$ !$"____________________________1#)Created by Morningstar Document Research.0$(http://documentresearch.morningstar.com/P=PF0*8X> @$$##"" l  x dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!For the Year Ended December 31  Note 4 Fair Value MeasurementsNote 4 Fair Value (1)!EIN 752516853Plan Number 001 As14INDEX TO EXHIBITSU } m)} $                         $PIONEER NATURAL RESOURCES CO 11-K 06/09/20177/Statements of Net Assets Available for Benefits             December 31,  ~  ~ ~     !Investments at fair value^A~ ~ys*"Notes receivable from participants~ .~ j Total assets9!A~ $Bw'Accrued administrative expenses~ z~ )!Net assets available for benefits!A~ @w$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/2k_SG;_#4U=PF0*8X> @    l  %#'( dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!Statements of Net Assets Availa Note 4 Fair Value MeasurementsNote 4 Fair Value (1)!EIN 752516853Plan Number 001 As14INDEX TO EXHIBITSU } 8} $ %    $PIONEER NATURAL RESOURCES CO 11-K 06/09/2017,$For the Year Ended December 31, 2016        7 /Additions to net assets available for benefits:     5-Net appreciation in fair value of investments~ ZEmployer contributions~ L#Participants' contributions~ $Interest and dividend income~ f9 Rollovers~ bOther additions~ nTotal additions~ na0(Deductions from net assets available for benefits:%Distributions to participants~ *; Administrative expenses~ CTotal deductions~ O 0(Net increase in net assets available for~ rbenefits4,Net assets available for benefits, beginning~ @wof year.&Net assets available for benefits, end!ADlvj^RF o{-pLx/! !"#$ of year!$"____________________________1#)Created by Morningstar Document Research.0$(http://documentresearch.morningstar.com/P=PF0*8X> @$$##"" l  5 dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!Statements of Net Assets Availa!For the Year Ended December 31 Note 4 Fair Value (1)!EIN 752516853Plan Number 001 As14INDEX TO EXHIBITSU } a/} $     $PIONEER NATURAL RESOURCES CO 11-K 06/09/2017'Note 4. Fair Value Measurements                   / 'Fair Value Measurements at December 31,      2016 Using  5 -Quoted Prices in Active Markets for Identical + #Significant Other Observable Inputs ' Significant Unobservable Inputs ' Fair Value at December 31, 2016Assets (Level 2)   (Level 3) (Level 1)Assets:  +#Registered investment company funds~ .n~  ~   ~ .n,$Pioneer Natural Resources Stock Fund~ F    ~ F /'Total recurring fair value measurements~  y~  ~   ~  y/'VRSTIII measured at net asset value (a)  ~ D !Investments at fair value  ^A$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/: {ocWK[C EzB6*=PF0*8X> @        l  iC dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!Statements of Net Assets Availa!For the Year Ended December 31  Note 4 Fair Value Measurements!EIN 752516853Plan Number 001 As14INDEX TO EXHIBITSU } a/} $     $PIONEER NATURAL RESOURCES CO 11-K 06/09/2017'Note 4. Fair Value Measurements                   / 'Fair Value Measurements at December 31,      2015 Using  5 -Quoted Prices in Active Markets for Identical + #Significant Other Observable Inputs ' Significant Unobservable Inputs ' Fair Value at December 31, 2015Assets (Level 2)   (Level 3) (Level 1)Assets:  +#Registered investment company funds~ Nf~  ~   ~ Nf,$Pioneer Natural Resources Stock Fund~ q-   ~ q-/'Total recurring fair value measurements~  n~  ~   ~  n/'VRSTIII measured at net asset value (a)  ~ n!Investments at fair value  ~ ~ys$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/: {ocWK[C EzF:.=PF0*8X> @        l  ZUh6u dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!Statements of Net Assets Availa!For the Year Ended December 31  Note 4 Fair Value MeasurementsNote 4 Fair Value (1)14INDEX TO EXHIBITSU } } $ } <(} $ } 8} $ Z                                 $PIONEER NATURAL RESOURCES CO 11-K 06/09/2017?7EIN: 75-2516853Plan Number: 001 As of December 31, 2016              (c)     (b) + #Description of investment including  (e)  % Identity of issuer, borrower, 4 ,maturity date, rate of interest, collateral,  Current (a) lessor, or similar partypar or maturity valueValue *( Vanguard Fiduciary Trust Company-%Vanguard PRIMECAP Fund 506,967 shares~ (  *( Vanguard Fiduciary Trust Company7/Vanguard Retirement Saving Trust III 49,484,039~ D shares *( Vanguard Fiduciary Trust Company.&Vanguard 500 Index Fund 236,431 shares~ *  *)!Pioneer Natural Resources Company4,Pioneer Natural Resources Stock Fund 670,238~ F units *( Vanguard Fiduciary Trust Company6.Vanguard Total Bond Market Index Institutional~ ZClass 2,386,884 shares *( Vanguard Fiduciary Trust Company/'Vanguard Windsor II Fund 700,123 shares~ b *( Vanguard Fiduciary Trust Company0(Vanguard Total International Stock Index~ pFund 1,656,685 shares *( Vanguard Fiduciary Trust Company6.Vanguard Target Retirement 2045 Fund 1,143,842~ &shares *( Vanguard Fiduciary Trust Company4,Vanguard Target Retirement 2020 Fund 754,187~ shares *( Vanguard Fiduciary Trust Company/'Vanguard Wellington Fund 538,238 shares~ >- *( Vanguard Fiduciary Trust Company.&Vanguard Total Stock Market Index Fund~ Z367,272 sharesDlcWK?3pOl*86EY ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ?  * (  Vanguard Fiduciary Trust Company 6 .Vanguard Target Retirement 2025 Fund 1,182,401 ~ b !!!!!shares "*"(" Vanguard Fiduciary Trust Company"4",Vanguard Target Retirement 2050 Fund 634,719"~ "nP"#####shares $*$($ Vanguard Fiduciary Trust Company$4$,Vanguard Target Retirement 2030 Fund 651,898$~ $Fԉ$%%%%%shares &*&(& Vanguard Fiduciary Trust Company&4&,Vanguard Target Retirement 2040 Fund 622,879&~ &f|&'''''shares (*((( Vanguard Fiduciary Trust Company(6(.Vanguard Target Retirement 2035 Fund 1,060,460(~ (.:|()))))shares ****Loans to participants*2**Interest rates range from 4.25% to 6% with*~ *.*+++++various maturities ,*,(, Vanguard Fiduciary Trust Company,4,,Vanguard Target Retirement 2055 Fund 323,991,~ ,Vʊ,-----shares .*.(. Vanguard Fiduciary Trust Company.4.,Vanguard Extended Market Index Institutional.~ .~>a./////Class 137,264 shares000American Funds0/0'American Funds Euro Pacific Growth Fund0~ 0Z-+011111201,954 shares222 JP Morgan222*JP Morgan Disciplined Equity Institutional2~ 2A 233333Class 361,569 shares 4*4(4 Vanguard Fiduciary Trust Company444,Vanguard Target Retirement 2015 Fund 574,1234~ 4t455555shares666Eagle Asset Management6/6'Eagle Small Cap Growth I 136,738 shares6~ 6:6 7*7(7 Vanguard Fiduciary Trust Company7+7#Vanguard Intermediate-Term Treasury7~ 7&ԡ788888Fund 617,286 shares999T. Rowe Price909(T. Rowe Price Mid-Cap Growth Fund 83,9629~ 9>9:::::shares ;*;(; Vanguard Fiduciary Trust Company;/;'Vanguard Inflation-Protected Securities;~ ;1;<<<<*<"Institutional Class 482,627 shares=== JP Morgan=5=-JP Morgan Small Cap Equity Fund 78,378 shares=~ =F1= >*>(> Vanguard Fiduciary Trust Company>1>)Vanguard Mid-Cap Value Index Fund Admiral>~ >>?????79,674 sharesDlO^m+|:GWfgkC;@ A B C D E F G H I J K L M N O P Q R S T U V W X Y @@ @TCW@3@+TCW Total Return Bond Fund I 367,095 shares@~ @^^@ A*A(A Vanguard Fiduciary Trust CompanyA/A'Vanguard REIT Index Fund Admiral 30,473A~ A^ABBBBBsharesCCCLoomis SaylesC.C&Loomis Sayles Bond Fund 230,210 sharesC~ CCDD&DFranklin Templeton InvestmentsD1D)Templeton Global Bond Fund 211,453 sharesD~ D>[DEEEOppenheimer Funds Inc.E2E*Oppenheimer Developing Markets Fund 78,224E~ EZEFFFFFshares G*G(G Vanguard Fiduciary Trust CompanyG.G&Vanguard Target Retirement Income FundG~ GDGHHHHH188,357 sharesIIIOppenheimer Funds Inc.I3I+Oppenheimer International Small Co I 62,189I~ IIJJJJJshares K*K(K Vanguard Fiduciary Trust CompanyK3K+Vanguard Target Retirement 2060 Fund 73,791K~ KʂKLLLLLshares M*M(M Vanguard Fiduciary Trust CompanyM3M+Vanguard Small-Cap Value Index Fund AdmiralM~ MuMNNNNN37,077 sharesOOOT. Rowe PriceO&OTRP New ERA Fund 52,324 sharesO~ O~kO P*P(P Vanguard Fiduciary Trust CompanyP3P+Vanguard Target Retirement 2010 Fund 51,683P~ P2OPQQQQQshares R*R(R Vanguard Fiduciary Trust CompanyR2R*Vanguard Federal Money Market Fund 734,696R~ R,RSSSSSsharesTTTTTTT9!ATUV$W____________________________1X)Created by Morningstar Document Research.0Y(http://documentresearch.morningstar.com/8 pFboh&y7=PF0*8X> @z/YYXXWWTTRRPPOOMMKKIIGGEEDDCCAA@@>>==;;997766442200..,,**((&&$$""    l  } dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!Statements of Net Assets Availa!For the Year Ended December 31  Note 4 Fair Value MeasurementsNote 4 Fair Value (1)!EIN 752516853Plan Number 001 AsU } y } $ } !} $ }      $PIONEER NATURAL RESOURCES CO 11-K 06/09/201714INDEX TO EXHIBITS      Exhibit     Number   Description  Page     23.1 (a)#Consent of Whitley Penn LLP~ B$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/*;h{ocWK=PF0*8X> @ Root Entry FBook   ~  !"#$%&'()*+,-./0123456789:;<=>?