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

ZAPATA 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 SHELL TRADING (US) COMPANY 1 1 1 15         34.314% 0.000% 27.448% 0.151% 0.000% 0.000% 0.000% 0.000% 362,233 730         $48.88 $38.31 $30.14 $32.50         $4,455,180 $13,876,600 $2,769,510 $23,728     CHEVRON U S A INC 2 6 7 4 7 8 4 5 27.085% 0.000% 4.126% 9.426% 6.064% 5.167% 10.334% 9.944% 13,098 45,451 31,799 22,688 34,545 32,503 $57.03 $37.60 $28.29 $22.77 $24.20 $27.97 $16.51 $11.95 $4,102,550 $492,482 $390,828 $1,035,090 $769,617 $620,578 FLINT HILLS RESOURCES LP 3 3 3 2         14.519% 0.000% 20.360% 15.799% 0.000% 0.000% 0.000% 0.000% 38,337 76,177         $53.83 $37.97 $27.44 $23.78         $2,076,100 $1,455,800 $1,870,570 $1,811,430     CONOCOPHILLIPS COMPANY 4 4 5 3 2 4 5 6 7.205% 0.000% 5.931% 11.800% 12.624% 10.937% 9.402% 9.749% 20,224 56,896 66,199 48,022 31,428 31,868 $53.91 $38.79 $29.60 $23.17 $24.78 $27.99 $16.04 $11.39 $1,031,780 $784,585 $587,878 $1,318,040 $1,640,310 $1,341,690 PLAINS MARKETING LP 5 2 6           5.881% 0.000% 4.835% 0.000% 0.000% 0.000% 0.000% 0.000% 38,640           $49.88 $37.08 $26.97           $779,187 $1,432,800 $436,612       TEXON LP 6 7 4 6         5.196% 0.000% 11.224% 4.733% 0.000% 0.000% 0.000% 0.000% 11,002 22,822         $52.41 $38.35 $28.62 $26.89         $723,400 $421,952 $1,075,590 $613,727     GULFMARK ENERGY INC 7 5 2 1 1 1 1 8 2.487% 0.000% 21.207% 36.037% 29.588% 21.484% 20.719% 3.153% 14,398 173,758 155,153 94,335 69,258 10,305 $54.20 $36.18 $28.50 $23.67 $25.46 $28.55 $17.42 $10.59 $358,038 $520,966 $2,023,380 $4,112,970 $3,950,880 $2,704,520 KOCH PETROLEUM GROUP LP 8       6 7 7   1.605% 0.000% 0.000% 0.000% 9.670% 5.862% 7.591% 0.000%     50,709 25,741 25,376   $56.32       $23.42 $27.99 $19.30   $240,151       $1,187,550 $695,510 PHILLIPS PETROLEUM CO 9               0.707% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000%             $56.56               $106,216           NORCO CRUDE GATHERING INC 10   17 10 3 2 3 7 0.509% 0.000% 0.049% 2.272% 12.161% 17.826% 10.727% 4.446%   10,953 63,769 78,273 35,858 14,532 $53.29   $28.53 $22.77 $26.75 $27.02 $15.27 $11.05 $72,107   $4,679 $249,403 $1,705,510 $2,122,520 EASTEX CRUDE COMPANY 11               0.207% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000%             $52.26               $28,688           CHESAPEAKE ENERGY MARKETING INC 12 10             0.151% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 176           $58.41 $45.89             $23,481 $8,076         DORADO OIL COMPANY 13 9       17 18   0.102% 0.000% 0.000% 0.000% 0.000% 0.040% 0.101% 0.000% 774     176 336   $51.67 $35.78       $24.07 $21.08   $13,951 $27,694       $4,236 INTERSTATE SALE 14 8 9 19 9 6 9 14 0.032% 0.000% 0.459% 0.002% 1.840% 6.796% 4.688% 0.491% 1,323 12 9,650 29,842 15,672 1,604 $53.04 $34.57 $28.36 $30.93 $31.09 $28.81 $20.08 $10.25 $4,455 $45,732 $43,624 $371 $300,030 $860,468 BIG STAR GATHERING LTD LLP     12           0.000% 0.000% 0.251% 0.000% 0.000% 0.000% 0.000% 0.000%                 $22.70               $19,116       CIMA ENERGY L L C             19   0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.089% 0.000%         298               $13.02               COASTAL REFINING & MARKETING INC     14 9         0.000% 0.000% 0.210% 2.444% 0.000% 0.000% 0.000% 0.000%   11,783             $29.61 $24.41             $20,816 $287,652     COASTAL STATES TRADING INC     10 5 4 3 8 4 0.000% 0.000% 0.336% 8.050% 11.983% 12.099% 7.137% 10.614%   38,815 62,837 53,125 23,858 34,694     $31.97 $20.23 $24.61 $27.89 $16.07 $11.60     $35,935 $785,264 $1,546,240 $1,472,780 COMPTROLLER CORRECTED FILING               21 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.013%           43               $13.34             COMPTROLLER CORRECTED FILING (temp)             22 20 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.046% 0.023%         153 75             $10.31 $12.20             DOMINION EXPLORATION & PRODUCTION INC       13         0.000% 0.000% 0.000% 0.438% 0.000% 0.000% 0.000% 0.000%   2,111               $23.20               $48,966     DUKE ENERGY TRANSPORT AND TRADING COMPANY             16 9 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.157% 2.198%         526 7,186             $11.05 $10.71             DYNEGY MIDSTREAM INC               18 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.080%           262               $13.31             EL PASO MERCHANT ENERGY-PETROLEUM COMPANY     8 11         0.000% 0.000% 2.859% 1.079% 0.000% 0.000% 0.000% 0.000%   5,204             $29.53 $30.43             $282,683 $158,354       ZAPATA 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 EOTT ENERGY OPERATING LIMITED PARTNERSHIP (temp)             21   0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.055% 0.000%         184               $12.35               EOTT ENERGY OPERATING LP     16 7 5 5 6 1 0.000% 0.000% 0.058% 4.049% 11.609% 10.611% 8.476% 21.929%   19,522 60,875 46,590 28,335 71,681     $31.61 $19.75 $24.68 $27.48 $16.27 $12.05     $6,133 $385,479 $1,502,180 $1,287,470 EQUIVA TRADING COMPANY       17 12   15   0.000% 0.000% 0.000% 0.113% 0.238% 0.000% 0.162% 0.000%   546 1,249   543         $24.11 $21.66   $10.95         $13,166 $27,055   EXXONMOBIL OIL CORPORATION         17       0.000% 0.000% 0.000% 0.000% 0.024% 0.000% 0.000% 0.000%     125               $26.36               $3,295   GENESIS CRUDE OIL LP       18 14 14 13 13 0.000% 0.000% 0.000% 0.032% 0.077% 0.245% 0.495% 1.010%   154 402 1,075 1,656 3,303       $15.68 $22.02 $26.27 $17.36 $9.54       $2,415 $8,850 $28,164 GULFMARK ENERGY LTD           11     0.000% 0.000% 0.000% 0.000% 0.000% 1.508% 0.000% 0.000%       6,623               $28.60               $189,213 JN PETROLEUM MARKETING INC               16 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.254%           829               $11.28             KOCH INDUSTRIES INC       16     10 3 0.000% 0.000% 0.000% 0.133% 0.000% 0.000% 2.699% 14.915%   639     9,021 48,753       $20.06     $11.93 $11.07       $12,817     KOCH MIDSTREAM SERVICES COMPANY LLC         15       0.000% 0.000% 0.000% 0.000% 0.034% 0.000% 0.000% 0.000%     178               $22.69               $4,038   MOBIL OIL CORPORATION             20 19 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.060% 0.060%         199 196             $14.84 $13.70             NORTH CENTRAL OIL CORPORATION   12             0.000% 0.012% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 162             $50.97               $8,258         Not filed with Comptroller     11         11 0.000% 0.000% 0.263% 0.000% 0.000% 0.000% 0.000% 1.456%           4,760     $24.97         $14.27     $22,019       OASIS TRANSPORTATION AND MARKETING CORPORATIO   14             0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 62             $34.92               $2,165         PENNZOIL GAS MARKETING COMPANY           16 12 10 0.000% 0.000% 0.000% 0.000% 0.000% 0.114% 1.573% 1.770%       500 5,259 5,787           $24.44 $13.66 $10.47           $12,222 PLAINS MARKETING & TRANSPORTATION INC           18     0.000% 0.000% 0.000% 0.000% 0.000% 0.036% 0.000% 0.000%       159               $26.75               $4,253 PLAINS MARKETING LP       8 8 10     0.000% 0.000% 0.000% 2.722% 3.189% 1.635% 0.000% 0.000%   13,126 16,720 7,180           $21.49 $23.93 $28.57           $282,082 $400,176 $204,740 SCURLOCK PERMIAN CORPORATION             11 2 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 1.597% 16.214%         5,337 52,997             $8.77 $10.56             SCURLOCK PERMIAN LLC         16 9 2 12 0.000% 0.000% 0.000% 0.000% 0.034% 4.946% 13.275% 1.232%     177 21,719 44,376 4,027         $29.99 $25.99 $14.77 $10.82         $5,307 $566,556 SOUTHERN PRODUCER SERVICES LP (temp)         10 12     0.000% 0.000% 0.000% 0.000% 0.414% 0.305% 0.000% 0.000%     2,171 1,338             $26.63 $28.67             $57,803 $37,721 SUPERIOR CRUDE GATHERING INC   11 18           0.000% 0.013% 0.045% 0.000% 0.000% 0.000% 0.000% 0.000% 171             $37.66 $32.10             $6,440 $4,816       TEPPCO CRUDE OIL L P     15 14 11 13 14   0.000% 0.000% 0.120% 0.245% 0.300% 0.271% 0.445% 0.000%   1,180 1,575 1,192 1,488       $28.79 $22.71 $23.37 $25.66 $15.92       $11,601 $26,799 $36,808 $30,206 TEXPATA PIPE LINE COMPANY THE   13 13 12 13 15 17 15 0.000% 0.010% 0.217% 0.475% 0.151% 0.117% 0.157% 0.348% 134 2,289 794 514 525 1,138   $40.39 $26.16 $20.66 $18.39 $27.34 $12.66 $10.43   $5,412 $19,044 $47,296 $14,605 $13,727 TORCH ENERGY MARKETING INC             23   0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.014% 0.000%         48               $20.13               VALERO REFINING COMPANY-TEXAS               17 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.000% 0.100%           327               $9.84