Crude Oil Purchaser Ranking Select County: ANDERSONANDREWSANGELINAARANSASARCHERARMSTRONGATASCOSAAUSTINBAILEYBANDERABASTROPBAYLORBEEBELLBEXARBLANCOBORDENBOSQUEBOWIEBRAZORIABRAZOSBREWSTERBRISCOEBROOKSBROWNBURLESONBURNETCALDWELLCALHOUNCALLAHANCAMERONCAMPCARSONCASSCHAMBERSCHEROKEECHILDRESSCLAYCOCHRANCOKECOLEMANCOLLINCOLLINGSWORTHCOLORADOCOMALCOMANCHECONCHOCOOKECORYELLCOTTLECRANECROCKETTCROSBYCULBERSONDALLAMDAWSONDE WITTDEAF SMITHDEAFSMITHDELTADENTONDICKENSDIMMITDONLEYDUVALEASTLANDECTOREDWARDSELLISELPASOERATHFALLSFANNINFAYETTEFISHERFLOYDFOARDFORT BENDFRANKLINFREESTONEFRIOGAINESGALVESTONGARZAGILLESPIEGLASSCOCKGOLIADGONZALESGRAYGRAYSONGREGGGRIMESGUADALUPEHALEHALLHAMILTONHANSFORDHARDEMANHARDINHARRISHARRISONHARTLEYHASKELLHAYSHEMPHILLHENDERSONHIDALGOHILLHOCKLEYHOODHOPKINSHOUSTONHOWARDHUDSPETHHUNTHUTCHINSONIRIONJACKJACKSONJASPERJEFFERSONJIM HOGGJIM WELLSJOHNSONJONESKARNESKAUFMANKENDALLKENEDYKENTKERRKIMBLEKINGKINNEYKLEBERGKNOXLA SALLELAMBLAMPASASLAVACALEELEONLIBERTYLIMESTONELIPSCOMBLIVE OAKLLANOLOVINGLUBBOCKLYNNMADISONMARIONMARTINMASONMATAGORDAMAVERICKMCCULLOCHMCLENNANMCMULLENMEDINAMENARDMIDLANDMILAMMILLSMITCHELLMONTAGUEMONTGOMERYMOOREMORRISMOTLEYNACOGDOCHESNAVARRONEWTONNOLANNUECESOCHILTREEOLDHAMORANGEPALO PINTOPANOLAPARKERPARMERPECOSPOLKPOTTERPRESIDORAINSRANDALLREAGANREALRED RIVERREEVESREFUGIOROBERTSROBERTSONRUNNELSRUSKSABINESAN AUGUSTINESAN JACINTOSAN PATRICIOSANSABASCHLEICHERSCURRYSHACKELFORDSHELBYSHERMANSMITHSOMERVELLSTARRSTATE WIDESTEPHENSSTERLINGSTONEWALLSUTTONSWISHERTARRANTTAYLORTERRELLTERRYTHROCKMORTONTITUSTOM GREENTRAVISTRINITYTYLERUPSHURUPTONVAL VERDEVAN ZANDTVICTORIAWALKERWALLERWARDWASHINGTONWEBBWHARTONWHEELERWICHITAWILBARGERWILLACYWILLIAMSONWILSONWINKLERWISEWOODYOAKUMYOUNGZAPATAZAVALA Gasearch.com

COUNTIES ANDERSON ANDREWS ANGELINA ARANSAS ARCHER ARMSTRONG ATASCOSA AUSTIN BAILEY BANDERA BASTROP BAYLOR BEE BELL BEXAR BLANCO BORDEN BOSQUE BOWIE BRAZORIA BRAZOS BREWSTER BRISCOE BROOKS BROWN BURLESON BURNET CALDWELL CALHOUN CALLAHAN CAMERON CAMP CARSON CASS CHAMBERS CHEROKEE CHILDRESS CLAY COCHRAN COKE COLEMAN COLLIN COLLINGSWORTH COLORADO COMAL COMANCHE CONCHO COOKE CORYELL COTTLE CRANE CROCKETT CROSBY CULBERSON DALLAM DAWSON DE WITT DEAF SMITH DEAFSMITH DELTA DENTON DICKENS DIMMIT DONLEY DUVAL EASTLAND ECTOR EDWARDS ELLIS ELPASO ERATH FALLS FANNIN FAYETTE FISHER FLOYD FOARD FORT BEND FRANKLIN FREESTONE FRIO GAINES GALVESTON GARZA GILLESPIE GLASSCOCK GOLIAD GONZALES GRAY GRAYSON GREGG GRIMES GUADALUPE HALE HALL HAMILTON HANSFORD HARDEMAN HARDIN HARRIS HARRISON HARTLEY HASKELL HAYS HEMPHILL HENDERSON HIDALGO HILL HOCKLEY HOOD HOPKINS HOUSTON HOWARD HUDSPETH HUNT HUTCHINSON IRION JACK JACKSON JASPER JEFFERSON JIM HOGG JIM WELLS JOHNSON JONES KARNES KAUFMAN KENDALL KENEDY KENT KERR KIMBLE KING KINNEY KLEBERG KNOX LA SALLE LAMB LAMPASAS LAVACA LEE LEON LIBERTY LIMESTONE LIPSCOMB LIVE OAK LLANO LOVING LUBBOCK LYNN MADISON MARION MARTIN MASON MATAGORDA MAVERICK MCCULLOCH MCLENNAN MCMULLEN MEDINA MENARD MIDLAND MILAM MILLS MITCHELL MONTAGUE MONTGOMERY MOORE MORRIS MOTLEY NACOGDOCHES NAVARRO NEWTON NOLAN NUECES OCHILTREE OLDHAM ORANGE PALO PINTO PANOLA PARKER PARMER PECOS POLK POTTER PRESIDO RAINS RANDALL REAGAN REAL RED RIVER REEVES REFUGIO ROBERTS ROBERTSON RUNNELS RUSK SABINE SAN AUGUSTINE SAN JACINTO SAN PATRICIO SANSABA SCHLEICHER SCURRY SHACKELFORD SHELBY SHERMAN SMITH SOMERVELL STARR STATE WIDE STEPHENS STERLING STONEWALL SUTTON SWISHER TARRANT TAYLOR TERRELL TERRY THROCKMORTON TITUS TOM GREEN TRAVIS TRINITY TYLER UPSHUR UPTON VAL VERDE VAN ZANDT VICTORIA WALKER WALLER WARD WASHINGTON WEBB WHARTON WHEELER WICHITA WILBARGER WILLACY WILLIAMSON WILSON WINKLER WISE WOOD YOAKUM YOUNG ZAPATA ZAVALA

DAWSON COUNTY     (click on column title to change the listing order) Purchaser 2005 Rank - 2005 Rank - 2004 Rank - 2003 Rank - 2002 Rank - 2001 Rank - 2000 Rank - 1999 Rank - 1998 C % 05 C % 04 C % 03 C % 02 C % 01 C % 00 C % 99 C % 98 Bbl 04 Bbl 02 Bbl 01 Bbl - 00 Bbl - 99 Bbl - 98 $/Bbl - 05 $/Bbl - 04 $/Bbl - 03 $/Bbl - 02 $/Bbl - 01 $/Bbl - 00 $/Bbl - 99 $/Bbl - 98 Gr Val 05 Gr Val 04 Gr Val 03 Gr Val 02 Gr Val 01 Gr Val 00 OCCIDENTAL ENERGY MARKETING INC 1 1 1 1 1 1 1   24.958% 0.000% 20.984% 19.485% 18.326% 19.746% 23.057% 0.000% 1,188,870 2,141,780 1,764,880 1,243,740 1,495,690   $50.70 $37.63 $27.74 $22.50 $22.26 $26.34 $16.21   $62,081,000 $44,735,800 $31,764,500 $48,193,800 $39,294,500 $32,717,500 CHEVRON U S A INC 2 2 3 6 27       24.730% 0.000% 12.773% 7.334% 0.049% 0.000% 0.000% 0.000% 1,125,730 806,125 4,705       $53.72 $39.66 $29.04 $26.97 $33.26       $65,178,200 $44,641,200 $20,238,300 $21,744,700 $156,510   PLAINS MARKETING LP 3 3 2 2 3 4     15.114% 18.632% 14.582% 13.232% 11.188% 6.534% 0.000% 0.000% 786,124 1,454,410 1,077,430 411,573     $53.73 $39.68 $30.04 $25.43 $26.33 $31.08     $39,839,400 $31,197,200 $23,895,800 $36,990,400 $28,370,800 $12,806,700 CONOCOPHILLIPS COMPANY 4 5 5 7 7 5 5 8 9.408% 0.000% 8.864% 7.247% 5.356% 5.149% 5.074% 5.148% 457,286 796,598 515,784 324,283 329,115 362,254 $54.15 $40.28 $30.25 $25.26 $26.57 $30.29 $18.20 $13.61 $24,995,700 $18,417,400 $14,629,400 $20,120,900 $13,706,800 $9,834,090 SUNOCO PARTNERS MARKETING & TERMINALS LP 5 4 4 3 5 10 10 12 8.325% 0.000% 11.723% 11.855% 8.591% 3.381% 2.771% 3.638% 512,953 1,303,010 827,310 212,954 179,728 256,014 $53.93 $40.25 $30.36 $25.38 $25.40 $29.38 $17.08 $12.83 $22,027,500 $20,644,900 $19,418,000 $33,074,000 $21,017,600 $6,423,130 CITATION CRUDE MARKETING INC 6 6 8 9 13 18 18 32 3.622% 0.000% 3.970% 3.977% 1.351% 0.791% 0.662% 0.215% 172,896 437,159 130,074 49,814 42,963 15,118 $54.74 $40.92 $30.97 $26.96 $25.45 $29.71 $16.98 $11.05 $9,727,340 $7,075,100 $6,708,500 $11,784,600 $3,310,850 $1,474,430 NAVAJO REFINING COMPANY L P 7 7 10 11 9 7 6 7 3.235% 0.000% 2.414% 2.881% 4.876% 4.904% 5.003% 5.487% 144,212 316,649 469,530 308,908 324,546 386,094 $52.13 $39.47 $29.67 $24.70 $26.53 $29.16 $17.52 $12.57 $8,273,490 $5,691,960 $3,908,440 $7,821,940 $12,454,300 $9,114,040 LPC CRUDE OIL INC 8 8 11 21         1.903% 0.000% 2.006% 0.198% 0.000% 0.000% 0.000% 0.000% 106,745 21,795         $54.73 $40.65 $30.04 $28.77         $5,110,310 $4,339,560 $3,286,890 $627,067     SHELL TRADING (US) COMPANY 9 12 15 19         1.502% 0.000% 0.716% 0.246% 0.000% 0.000% 0.000% 0.000% 38,505 27,060         $54.73 $41.68 $30.82 $30.20         $4,032,790 $1,605,030 $1,204,930 $817,208     NATIONAL COOPERATIVE REFINERY ASSOCIATION 10 11 13 15 15   17 24 1.119% 0.000% 1.104% 0.977% 0.729% 0.000% 0.682% 0.484% 52,477 107,411 70,251   44,262 34,074 $51.16 $36.83 $26.69 $21.94 $21.19   $14.31 $11.71 $2,808,730 $1,932,500 $1,608,090 $2,356,940 $1,488,480   BLACK HILLS ENERGY RESOURCES INC 11 17 26 26         1.064% 0.000% 0.108% 0.062% 0.000% 0.000% 0.000% 0.000% 19,844 6,790         $55.02 $43.12 $29.94 $21.30         $2,871,310 $855,588 $176,339 $144,633     OASIS TRANSPORTATION AND MARKETING CORPORATIO 12 21 25 23 25 27 33 38 0.899% 0.283% 0.157% 0.155% 0.088% 0.096% 0.016% 0.054% 11,951 17,083 8,522 6,054 1,032 3,770 $55.43 $42.21 $30.83 $26.78 $26.86 $30.27 $12.37 $12.84 $2,444,920 $504,510 $264,468 $457,417 $228,916 $182,425 PHILLIPS PETROLEUM CO 13       10 8 11 10 0.892% 0.000% 0.000% 0.000% 3.014% 3.556% 2.328% 3.870%     290,284 223,972 151,030 272,301 $56.78       $25.60 $28.86 $13.54 $11.69 $2,483,560       $7,431,770 $6,383,610 BML INC 14 14 17 18 26     29 0.682% 0.000% 0.469% 0.335% 0.073% 0.000% 0.000% 0.299% 30,828 36,817 6,990     21,038 $54.75 $40.13 $30.94 $25.56 $18.14     $13.00 $1,831,100 $1,236,990 $792,275 $940,865 $126,820   GULFMARK ENERGY INC 15 9 9 12 12 13 16 23 0.492% 17.855% 2.841% 2.351% 2.258% 1.497% 0.737% 0.535% 102,065 258,384 217,423 94,261 47,828 37,622 $54.42 $38.93 $30.51 $25.34 $25.95 $28.65 $17.38 $12.12 $1,314,660 $3,972,930 $4,729,630 $6,547,700 $5,641,660 $2,822,970 CHESAPEAKE ENERGY MARKETING INC 16 25             0.472% 1.384% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 7,910           $53.81 $45.94             $1,244,960 $363,393         GENESIS CRUDE OIL LP 17 15 18 16 14 14 13 20 0.307% 0.000% 0.457% 0.726% 1.229% 1.336% 1.392% 0.754% 21,845 79,824 118,348 84,178 90,298 53,060 $53.15 $40.14 $29.85 $24.66 $26.88 $29.92 $17.64 $12.66 $800,224 $876,776 $744,328 $1,968,530 $3,181,280 $2,506,500 NAVAJO REFINING COMPANY 18               0.287% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000%             $54.49               $767,644           GATEWAY GATHERING AND MARKETING COMPANY 19 19 20 25 23       0.267% 2.598% 0.339% 0.092% 0.123% 0.000% 0.000% 0.000% 14,849 10,145 11,848       $50.76 $37.70 $28.88 $26.36 $27.99       $666,082 $559,810 $533,655 $267,428 $331,578   EXXONMOBIL OIL CORPORATION 20 10 7 8 6       0.242% 10.088% 4.433% 6.183% 6.068% 0.000% 0.000% 0.000% 57,668 679,602 584,326       $48.75 $39.62 $30.67 $25.66 $24.75       $577,901 $2,284,940 $7,417,710 $17,438,500 $14,461,000   TAK PETROLEUM INC 21 20 21 17 17       0.211% 0.000% 0.308% 0.401% 0.494% 0.000% 0.000% 0.000% 14,035 44,089 47,607       $53.64 $39.56 $29.66 $24.29 $25.80       $554,245 $555,285 $498,009 $1,070,710 $1,228,120   TEPPCO CRUDE OIL L P 22   23 22 22 26 28   0.208% 0.000% 0.171% 0.195% 0.166% 0.186% 0.149% 0.000%   21,444 15,944 11,733 9,685   $55.88   $30.36 $24.37 $26.97 $29.15 $19.17   $569,789   $282,724 $522,669 $430,021 $343,699 BP AMERICA PRODUCTION COMPANY 23 18 19 13         0.053% 0.000% 0.356% 1.603% 0.000% 0.000% 0.000% 0.000% 18,081 176,236         $54.38 $39.72 $29.76 $25.20         $140,471 $718,117 $578,365 $4,440,520     AMOCO PRODUCTION COMPANY 24   16 14 11 15 14 5 0.010% 0.000% 0.656% 1.068% 2.282% 1.151% 1.198% 7.663%   117,343 219,768 72,477 77,733 539,213 $57.27   $33.51 $26.11 $25.82 $29.91 $19.12 $13.14 $27,663   $1,199,990 $3,063,900 $5,674,150 $2,149,150   DAWSON COUNTY     (click on column title to change the listing order) Purchaser 2005 Rank - 2005 Rank - 2004 Rank - 2003 Rank - 2002 Rank - 2001 Rank - 2000 Rank - 1999 Rank - 1998 C % 05 C % 04 C % 03 C % 02 C % 01 C % 00 C % 99 C % 98 Bbl 04 Bbl 02 Bbl 01 Bbl - 00 Bbl - 99 Bbl - 98 $/Bbl - 05 $/Bbl - 04 $/Bbl - 03 $/Bbl - 02 $/Bbl - 01 $/Bbl - 00 $/Bbl - 99 $/Bbl - 98 Gr Val 05 Gr Val 04 Gr Val 03 Gr Val 02 Gr Val 01 Gr Val 00 ABRAXAS PETROLEUM CORPORATION   27             0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 1,232             $45.45               $55,995         CITGO PETROLEUM CORPORATION               6 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 6.578%           462,851               $11.15             COMPTROLLER CORRECTED FILING               43 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.001%           63               $10.26             COOPERATIVE REFINING LLC         20 17 24   0.000% 0.000% 0.000% 0.000% 0.284% 1.054% 0.342% 0.000%     27,345 66,356 22,205           $29.72 $27.82 $22.05           $812,642 $1,852,180 CORNERSTONE PROPANE LP   23 14 10 8 9 20 33 0.000% 1.670% 1.084% 2.939% 5.036% 3.550% 0.548% 0.178% 9,548 323,077 484,978 223,607 35,572 12,499   $32.36 $28.19 $21.62 $24.70 $29.70 $23.20 $13.16   $308,996 $1,667,220 $6,984,190 $11,977,200 $6,530,490 DEVON ENERGY CORPORATION (NEVADA)               19 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.821%           57,769               $11.39             DEVON ENERGY PRODUCTION COMPANY L P   13             0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 34,252             $42.40               $1,452,440         DEVON MARKETING CORPORATION               31 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.246%           17,301               $10.41             DUKE ENERGY TRANSPORT AND TRADING COMPANY               25 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.436%           30,689               $12.05             EOTT ENERGY OPERATING LP     6 5 4 3 2 2 0.000% 0.000% 7.285% 7.563% 8.984% 15.835% 15.342% 12.062%   831,342 865,169 997,359 995,249 848,796     $29.48 $24.50 $25.86 $29.42 $17.60 $12.33     $11,719,300 $20,372,000 $22,373,500 $29,220,900 EOTT ENERGY OPERATING LP (temp)           19     0.000% 0.000% 0.000% 0.000% 0.000% 0.716% 0.000% 0.000%       45,128               $27.23               $1,264,400 EQUIVA TRADING COMPANY       4 2 2 3 13 0.000% 0.000% 0.000% 8.545% 17.930% 16.924% 14.990% 3.196%   939,190 1,726,680 1,066,000 972,353 224,903       $21.34 $25.81 $29.80 $18.33 $11.05       $20,042,200 $44,570,900 $31,901,800 EXXON CORPORATION           16 15 15 0.000% 0.000% 0.000% 0.000% 0.000% 1.130% 1.152% 1.443%       71,181 74,719 101,550           $29.62 $17.94 $14.19           $2,103,980 EXXON MOBIL CORPORATION     24   16       0.000% 0.000% 0.159% 0.000% 0.576% 0.000% 0.000% 0.000%     55,453           $26.57   $29.68           $231,053   $1,645,680   FINA OIL AND CHEMICAL COMPANY               39 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.037%           2,579               $13.98             GREAT WESTERN MARKETING INC           20 19 22 0.000% 0.000% 0.000% 0.000% 0.000% 0.622% 0.639% 0.617%       39,199 41,466 43,426           $29.35 $17.68 $11.72           $1,127,640 HENRY PETROLEUM LP   16             0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 20,158             $45.45               $916,213         HIGHLAND ENERGY COMPANY       20 18 24 26 34 0.000% 0.000% 0.000% 0.228% 0.336% 0.263% 0.247% 0.138%   25,071 32,361 16,572 16,001 9,711       $22.58 $26.24 $29.32 $18.12 $12.62       $566,146 $849,013 $487,620 IPM CORP         28 31 32 41 0.000% 0.000% 0.000% 0.000% 0.001% 0.008% 0.017% 0.025%     54 535 1,071 1,776         $26.33 $28.97 $17.90 $13.80         $1,422 $15,500 J CLEO THOMPSON SR-J CLEO THOMPSON JR   30             0.000% 0.314% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 512             $41.78               $21,392         JN PETROLEUM MARKETING INC               35 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.134%           9,460               $13.30             KIMBELL OPERATING COMPANY     28 29         0.000% 0.000% 0.004% 0.002% 0.000% 0.000% 0.000% 0.000%   200             $26.66 $26.70             $5,279 $5,340     KIMOIL INC               18 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.849%           59,726               $10.26             KOCH GATEWAY PIPELINE COMPANY / STEVE ALLEN             27   0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.215% 0.000%         13,973               $12.93                 DAWSON COUNTY     (click on column title to change the listing order) Purchaser 2005 Rank - 2005 Rank - 2004 Rank - 2003 Rank - 2002 Rank - 2001 Rank - 2000 Rank - 1999 Rank - 1998 C % 05 C % 04 C % 03 C % 02 C % 01 C % 00 C % 99 C % 98 Bbl 04 Bbl 02 Bbl 01 Bbl - 00 Bbl - 99 Bbl - 98 $/Bbl - 05 $/Bbl - 04 $/Bbl - 03 $/Bbl - 02 $/Bbl - 01 $/Bbl - 00 $/Bbl - 99 $/Bbl - 98 Gr Val 05 Gr Val 04 Gr Val 03 Gr Val 02 Gr Val 01 Gr Val 00 KOCH INDUSTRIES INC               9 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 4.020%           282,895               $13.40             LANTERN PETROLEUM CORPORATION             12 14 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 2.092% 2.128%         135,678 149,724             $16.89 $12.59             LINK ENERGY LIMITED PARTNERSHIP     12           0.000% 0.000% 1.775% 0.000% 0.000% 0.000% 0.000% 0.000%                 $29.89               $2,894,220       MARATHON ASHLAND PETROLEUM LLC               27 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.398%           28,033               $15.35             MESA PIPE LINE COMPANY               30 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.246%           17,314               $14.22             MOBIL OIL CORPORATION           6 8 3 0.000% 0.000% 0.000% 0.000% 0.000% 4.947% 4.289% 9.251%       311,570 278,241 650,961           $29.45 $18.33 $12.04           $9,087,590 NORCO CRUDE GATHERING INC           32     0.000% 0.000% 0.000% 0.000% 0.000% 0.003% 0.000% 0.000%       173               $26.59               $4,601 NORTHRIDGE ENERGY MARKETING CORP           30 25   0.000% 0.000% 0.000% 0.000% 0.000% 0.054% 0.327% 0.000%       3,408 21,235             $24.22 $20.39             $83,045 Not filed with Comptroller   26     19 28     0.000% 0.043% 0.000% 0.000% 0.286% 0.075% 0.000% 0.000% 2,121   27,583 4,710       $45.28     $26.61 $30.30       $96,037     $733,970 $143,108 OIL MARKETERS INC           29     0.000% 0.000% 0.000% 0.000% 0.000% 0.073% 0.000% 0.000%       4,598               $24.66               $113,380 ORYX ENERGY COMPANY           21     0.000% 0.000% 0.000% 0.000% 0.000% 0.496% 0.000% 0.000%       31,213               $31.10               $981,350 PENNZOIL GAS MARKETING COMPANY           23 7 11 0.000% 0.000% 0.000% 0.000% 0.000% 0.357% 4.437% 3.814%       22,504 287,839 268,360           $26.26 $17.33 $12.78           $591,052 PETRO SOURCE PARTNERS LTD               42 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.015%           1,032               $12.21             PLAINS MARKETING & TRANSPORTATION INC           12 9 16 0.000% 0.000% 0.000% 0.000% 0.000% 2.408% 2.971% 1.051%       151,655 192,730 73,931           $27.55 $21.00 $12.91           $4,192,190 PRIDE COMPANIES LP             21 21 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.507% 0.723%         32,893 50,905             $14.99 $12.80             PURVIS OPERATING CO   28             0.000% 0.022% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 1,078             $45.41               $48,949         ROSEMORE INC             31 37 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.021% 0.075%         1,352 5,253             $10.93 $12.21             SANTA FE ENERGY RESOURCES INC               28 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.389%           27,355               $10.71             SCURLOCK PERMIAN CORPORATION               40 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.026%           1,837               $13.17             SCURLOCK PERMIAN LLC           11 4 4 0.000% 0.000% 0.000% 0.000% 0.000% 2.518% 7.839% 7.898%       158,618 508,503 555,771           $27.49 $17.57 $12.76           $4,395,770 SENEX PIPELINE COMPANY             34 36 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.015% 0.093%         1,000 6,558             $10.74 $12.58             SHELL OIL COMPANY   22             0.000% 0.200% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 9,962             $42.08               $419,210         SUNOCO INC (R&M)     22           0.000% 0.000% 0.235% 0.000% 0.000% 0.000% 0.000% 0.000%                 $33.92               $434,308       TEMA OIL AND GAS COMPANY   24   27   25 29   0.000% 0.163% 0.000% 0.013% 0.000% 0.223% 0.148% 0.000% 8,123 1,437   14,026 9,572     $41.51   $25.85   $29.70 $19.98     $337,164   $37,146   $419,850   DAWSON COUNTY     (click on column title to change the listing order) Purchaser 2005 Rank - 2005 Rank - 2004 Rank - 2003 Rank - 2002 Rank - 2001 Rank - 2000 Rank - 1999 Rank - 1998 C % 05 C % 04 C % 03 C % 02 C % 01 C % 00 C % 99 C % 98 Bbl 04 Bbl 02 Bbl 01 Bbl - 00 Bbl - 99 Bbl - 98 $/Bbl - 05 $/Bbl - 04 $/Bbl - 03 $/Bbl - 02 $/Bbl - 01 $/Bbl - 00 $/Bbl - 99 $/Bbl - 98 Gr Val 05 Gr Val 04 Gr Val 03 Gr Val 02 Gr Val 01 Gr Val 00 TEXACO EXPLORATION AND PRODUCTION INC       24 24   30 17 0.000% 0.000% 0.000% 0.095% 0.109% 0.000% 0.065% 0.862%   10,480 10,480   4,241 60,636       $21.37 $21.37   $13.82 $10.21       $223,924 $223,924   TEXACO TRADING AND TRANSPORTATION INC             23 1 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.343% 13.672%         22,258 962,075             $21.19 $13.12             TEXON LP   29 27 28         0.000% 0.014% 0.026% 0.011% 0.000% 0.000% 0.000% 0.000% 712 1,179           $36.80 $30.31 $28.10           $26,201 $42,402 $33,136     UNION OIL CO OF CALIFORNIA         21 22 22 26 0.000% 0.000% 0.000% 0.000% 0.199% 0.417% 0.383% 0.432%     19,181 26,240 24,850 30,428         $26.80 $27.24 $16.82 $11.84         $514,021 $713,659