State of Alaska, Oil and Gas Conservation Commission Production History for: PRUDHOE BAY, LISBURNE OIL Pool Jan 1958 Dec 2004 Producing Month DaysProd Oil (BBL) Gas (MCF) Water (BBL) Wells Jun 1981 3 2090 2960 21 1 Year Total 2090 2960 21 Mar 1982 13 5333 3721 0 1 Apr 1982 12 11337 12348 0 1 May 1982 31 30001 29699 0 1 Jun 1982 22 20308 23403 0 1 Jul 1982 13 11125 14753 0 1 Aug 1982 23 29048 78255 0 1 Sep 1982 14 23135 25468 0 1 Oct 1982 21 35248 70433 0 1 Nov 1982 25 42461 115991 0 1 Year Total 207996 374071 0 Jul 1983 2 350 2401 0 1 Aug 1983 11 9960 14030 0 1 Sep 1983 30 32180 75177 0 1 Oct 1983 31 32792 54173 0 1 Nov 1983 5 3913 2289 0 1 Dec 1983 10 7611 6236 0 1 Year Total 86806 154306 0 Jan 1984 30 35776 35114 0 1 Feb 1984 19 37754 45156 0 1 Mar 1984 14 29023 22669 0 2 Apr 1984 30 72037 68210 0 1 May 1984 27 49388 63834 2186 2 Jun 1984 16 17074 13162 983 2 Jul 1984 16 16849 25161 1344 1 Aug 1984 31 29462 52295 2434 1 Oct 1984 9 7078 17554 512 1 Year Total 294441 343155 7459 Jan 1985 5 6037 5394 0 1 Feb 1985 28 54862 60179 0 1 Mar 1985 30 50912 72378 0 3 Apr 1985 7 11342 13088 0 1 May 1985 51 112763 126167 0 2 Jun 1985 60 142040 178346 1185 2 Jul 1985 62 125598 209946 243 2 Aug 1985 62 112007 209870 5346 2 Sep 1985 65 112448 201469 3509 3 Oct 1985 90 170733 329744 4821 3 Nov 1985 60 99143 201445 5398 2 Dec 1985 86 125309 294333 7405 5 Year Total 1123194 1902359 27907 5/25/2005 Page 1 of 8 State of Alaska, Oil and Gas Conservation Commission Production History for: PRUDHOE BAY, LISBURNE OIL Pool Jan 1958 Dec 2004 Producing Month DaysProd Oil (BBL) Gas (MCF) Water (BBL) Wells Jan 1986 83 138094 289166 8230 5 Feb 1986 90 175164 281099 6547 5 Mar 1986 103 212223 329767 6037 6 Apr 1986 154 308998 531330 60 13 May 1986 197 379678 826488 1463 11 Jun 1986 162 337743 905824 419 10 Jul 1986 133 213227 509427 3441 11 Aug 1986 150 336924 727629 2544 14 Sep 1986 169 281995 737748 93 14 Oct 1986 209 236771 879386 0 11 Nov 1986 167 298735 1012438 2892 17 Dec 1986 326 674936 1646587 6857 25 Year Total 3594488 8676889 38583 Jan 1987 710 1409288 3770248 113998 26 Feb 1987 709 1192283 3806733 95216 28 Mar 1987 836 1293667 4827499 136918 30 Apr 1987 837 1177764 4531071 128610 31 May 1987 932 1325872 5107110 129983 34 Jun 1987 985 1426865 5703155 129830 36 Jul 1987 1043 1436218 6082482 130209 36 Aug 1987 933 1251282 5235812 130301 38 Sep 1987 1063 1389337 5971919 177621 38 Oct 1987 1143 1407730 6366974 162058 44 Nov 1987 1194 1430524 6629529 168456 45 Dec 1987 1272 1458017 6873001 223087 47 Year Total 16198847 64905533 1726287 Jan 1988 1206 1404734 7632985 212859 46 Feb 1988 1205 1274245 6809156 216870 46 Mar 1988 1338 1334644 7268453 276701 44 Apr 1988 1285 1242050 6922383 279032 46 May 1988 1373 1306082 7628973 293036 46 Jun 1988 1341 1249090 7679794 288139 47 Jul 1988 1294 1224171 8430377 240509 48 Aug 1988 1401 1245814 8200899 342487 48 Sep 1988 1346 1182464 8124390 307018 48 Oct 1988 1411 1207858 8771170 331440 51 Nov 1988 1464 1203079 8558088 343663 52 Dec 1988 1510 1221173 8643176 365472 53 Year Total 15095404 94669844 3497226 5/25/2005 Page 2 of 8 State of Alaska, Oil and Gas Conservation Commission Production History for: PRUDHOE BAY, LISBURNE OIL Pool Jan 1958 Dec 2004 Producing Month DaysProd Oil (BBL) Gas (MCF) Water (BBL) Wells Jan 1989 1512 1206783 8887598 296979 53 Feb 1989 1305 1409222 8235274 289818 55 Mar 1989 1387 1095959 8230866 266798 53 Apr 1989 1427 1132625 8049011 344716 54 May 1989 1565 1251876 8911806 355162 52 Jun 1989 1449 1113526 8634309 335040 51 Jul 1989 1549 1107773 8665517 394410 55 Aug 1989 1593 1133306 8974598 440962 53 Sep 1989 1559 1068459 8694534 529261 53 Oct 1989 1597 1079589 9300352 483563 53 Nov 1989 1642 1040740 8862446 469423 58 Dec 1989 1789 1097488 9299362 490230 61 Year Total 13737346 104745673 4696362 Jan 1990 1860 1147365 9464481 580775 66 Feb 1990 1686 1049530 8228522 522949 62 Mar 1990 1915 1236469 9272014 517501 64 Apr 1990 1879 1237194 8813709 384977 66 May 1990 2013 1317865 9540658 368149 68 Jun 1990 1899 1235097 8762495 321495 69 Jul 1990 2013 1341182 8964870 417144 69 Aug 1990 2028 1338976 9038790 432680 70 Sep 1990 1983 1277527 9069809 402121 70 Oct 1990 2086 1283202 9724953 417036 70 Nov 1990 1881 1110592 8629129 362602 71 Dec 1990 1781 1094140 8082398 361434 71 Year Total 14669139 107591828 5088863 Jan 1991 2021 1209595 9727358 346242 69 Feb 1991 1894 1098662 9121511 295627 72 Mar 1991 2044 1153576 9349054 370564 72 Apr 1991 1842 1042773 8737963 335273 71 May 1991 2078 1158688 10551598 383921 72 Jun 1991 1913 1042165 9823042 343772 71 Jul 1991 2015 1117622 10926630 363186 71 Aug 1991 2066 1133322 11331284 381923 71 Sep 1991 1970 1056002 10869303 363024 72 Oct 1991 2020 1118602 10994839 403428 72 Nov 1991 1980 1071217 11189609 356929 74 Dec 1991 1988 1113656 11738127 343864 75 Year Total 13315880 124360318 4287753 5/25/2005 Page 3 of 8 State of Alaska, Oil and Gas Conservation Commission Production History for: PRUDHOE BAY, LISBURNE OIL Pool Jan 1958 Dec 2004 Producing Month DaysProd Oil (BBL) Gas (MCF) Water (BBL) Wells Jan 1992 2132 1249469 13115845 353408 75 Feb 1992 2060 1156444 12708557 374831 75 Mar 1992 2163 1186402 13464511 381164 75 Apr 1992 1988 1082810 12841716 348488 74 May 1992 2058 1077055 13216758 326282 72 Jun 1992 1887 985484 12134572 300079 72 Jul 1992 1925 958352 11924153 337695 72 Aug 1992 1839 924130 11967988 295177 67 Sep 1992 1802 964614 12446130 274809 70 Oct 1992 1888 982986 13341962 308216 72 Nov 1992 1807 965219 13384378 278522 69 Dec 1992 1921 984225 13921382 281826 70 Year Total 12517190 154467952 3860497 Jan 1993 1690 871894 11987230 270780 65 Feb 1993 1693 840945 12691893 255610 66 Mar 1993 1942 915242 14222521 298829 68 Apr 1993 1803 848826 13135660 273097 66 May 1993 1643 797845 12237275 286759 64 Jun 1993 430 195280 2931193 61833 55 Jul 1993 1406 763368 12068295 230321 58 Aug 1993 1455 748002 12061165 221314 55 Sep 1993 1341 671506 10643134 207114 61 Oct 1993 1171 615071 9776183 152065 51 Nov 1993 1268 593447 9542183 215037 48 Dec 1993 1304 611091 9585113 213006 53 Year Total 8472517 130881845 2685765 Jan 1994 1265 633919 9322345 206140 45 Feb 1994 1187 586023 9443844 203121 49 Mar 1994 1282 611034 9845341 259880 48 Apr 1994 1262 609721 8610355 273344 51 May 1994 1232 616833 8102671 279887 48 Jun 1994 1106 569372 7570151 254562 45 Jul 1994 962 507906 6590342 255244 41 Aug 1994 936 517631 7346726 184883 38 Sep 1994 986 556566 8524889 207984 43 Oct 1994 1043 563067 8728435 247896 38 Nov 1994 992 524802 8493311 205767 45 Dec 1994 997 549224 8681598 197074 42 Year Total 6846098 101260008 2775782 5/25/2005 Page 4 of 8 State of Alaska, Oil and Gas Conservation Commission Production History for: PRUDHOE BAY, LISBURNE OIL Pool Jan 1958 Dec 2004 Producing Month DaysProd Oil (BBL) Gas (MCF) Water (BBL) Wells Jan 1995 931 533984 8312140 156009 41 Feb 1995 841 482586 7610512 182022 36 Mar 1995 952 517434 8067493 268756 38 Apr 1995 856 487369 7045878 214536 35 May 1995 875 489334 7202392 206011 36 Jun 1995 822 452461 6402088 223060 42 Jul 1995 665 377463 4801282 204969 33 Aug 1995 563 344783 4307023 178610 31 Sep 1995 715 417469 6020068 204222 35 Oct 1995 791 464908 6883355 189499 35 Nov 1995 795 441521 7092614 191629 34 Dec 1995 790 444892 7120728 196360 31 Year Total 5454204 80865573 2415683 Jan 1996 814 458665 7479777 168292 35 Feb 1996 828 443349 7155439 203386 41 Mar 1996 851 476186 7680001 192947 43 Apr 1996 686 386452 6019424 132994 36 May 1996 390 208211 2457462 42546 30 Jun 1996 491 283844 3736387 113254 29 Jul 1996 624 364353 5162301 174815 32 Aug 1996 394 228324 3027132 119043 26 Sep 1996 600 357444 4953981 143480 31 Oct 1996 699 425158 6595241 158826 31 Nov 1996 723 428285 6559213 149727 37 Dec 1996 695 404283 6186471 160259 33 Year Total 4464554 67012829 1759569 Jan 1997 632 381282 5929922 126025 29 Feb 1997 522 313139 4765933 107206 28 Mar 1997 456 289044 4103730 97036 22 Apr 1997 451 278824 3968488 99675 24 May 1997 434 258422 3376528 72125 22 Jun 1997 352 201427 2538782 51532 17 Jul 1997 266 151563 1544609 47243 17 Aug 1997 383 205276 2578697 43387 21 Sep 1997 376 209747 2501204 41688 19 Oct 1997 414 222675 2677221 49872 20 Nov 1997 400 224657 2752159 41196 22 Dec 1997 488 266238 3261937 21420 22 Year Total 3002294 39999210 798405 5/25/2005 Page 5 of 8 State of Alaska, Oil and Gas Conservation Commission Production History for: PRUDHOE BAY, LISBURNE OIL Pool Jan 1958 Dec 2004 Producing Month DaysProd Oil (BBL) Gas (MCF) Water (BBL) Wells Jan 1998 385 231609 2913264 12532 20 Feb 1998 411 249850 3284575 16733 23 Mar 1998 344 183443 2391862 17045 21 Apr 1998 417 249431 3308510 19860 23 May 1998 472 274329 3725545 27135 25 Jun 1998 366 213533 2993321 20088 17 Jul 1998 330 185836 2464675 19258 19 Aug 1998 327 147804 1774425 23417 18 Sep 1998 333 165758 2294925 17638 20 Oct 1998 380 173148 2280951 22038 20 Nov 1998 351 177483 2575742 20787 20 Dec 1998 443 216149 3103330 27446 21 Year Total 2468373 33111125 243977 Jan 1999 381 191088 2711536 19466 17 Feb 1999 383 192314 2998199 16524 22 Mar 1999 440 190372 3082283 18761 23 Apr 1999 389 181850 2992464 16848 22 May 1999 359 155883 2201646 17940 18 Jun 1999 354 169614 2573629 18348 22 Jul 1999 327 155743 2417467 16754 21 Aug 1999 270 109288 1389296 11010 15 Sep 1999 258 117980 1639288 6342 14 Oct 1999 392 212810 3041408 13442 20 Nov 1999 427 256537 3742974 14579 21 Dec 1999 469 270089 4423838 19035 22 Year Total 2203568 33214028 189049 Jan 2000 494 278141 4899411 16047 23 Feb 2000 505 267918 4435817 30214 27 Mar 2000 588 314803 5183257 29146 29 Apr 2000 580 297916 4967714 25509 26 May 2000 610 308065 4822202 23896 32 Jun 2000 385 214005 3225633 11883 27 Jul 2000 418 236803 3592966 16366 24 Aug 2000 385 205598 2836115 15912 21 Sep 2000 388 217898 3363218 16147 23 Oct 2000 530 286026 4814051 22615 25 Nov 2000 563 285703 5117242 15717 28 Dec 2000 590 289947 5064374 13686 27 Year Total 3202823 52322000 237138 5/25/2005 Page 6 of 8 State of Alaska, Oil and Gas Conservation Commission Production History for: PRUDHOE BAY, LISBURNE OIL Pool Jan 1958 Dec 2004 Producing Month DaysProd Oil (BBL) Gas (MCF) Water (BBL) Wells Jan 2001 571 282901 5154865 16856 30 Feb 2001 497 227784 3956539 15791 30 Mar 2001 656 303774 5797844 16823 30 Apr 2001 575 260649 5130069 13701 30 May 2001 471 226236 4866725 9474 27 Jun 2001 482 204525 3739122 17056 26 Jul 2001 425 212280 3927458 16039 30 Aug 2001 396 199004 3452488 16492 25 Sep 2001 363 177890 3142774 12156 29 Oct 2001 514 263715 5429141 25514 29 Nov 2001 650 335869 5911207 19859 33 Dec 2001 694 358873 6981723 20196 34 Year Total 3053500 57489955 199957 Jan 2002 637 335112 6484549 51522 33 Feb 2002 602 294698 5926605 45566 30 Mar 2002 298 146015 2827416 16348 30 Apr 2002 662 331976 6900373 59462 35 May 2002 651 282665 5820912 65182 34 Jun 2002 499 233698 4845841 62891 30 Jul 2002 448 200242 4338704 24983 31 Aug 2002 537 238682 5100117 40961 33 Sep 2002 495 229362 4963653 21857 31 Oct 2002 545 249425 5471566 23233 25 Nov 2002 527 248649 5264880 28881 28 Dec 2002 584 274667 5800039 52665 33 Year Total 3065191 63744655 493551 Jan 2003 608 282354 6242029 57152 34 Feb 2003 549 275100 6022905 42876 27 Mar 2003 658 343286 6728511 51627 30 Apr 2003 455 221779 4344999 19485 26 May 2003 605 313475 6324573 41723 36 Jun 2003 536 265845 5181609 80982 30 Jul 2003 426 244047 4251250 71642 29 Aug 2003 428 227125 4790324 35648 27 Sep 2003 527 266720 5724563 48046 28 Oct 2003 555 275612 5548526 62361 28 Nov 2003 554 305424 5837269 64311 31 Dec 2003 556 314510 5751874 74506 26 Year Total 3335277 66748432 650359 5/25/2005 Page 7 of 8 State of Alaska, Oil and Gas Conservation Commission Production History for: PRUDHOE BAY, LISBURNE OIL Pool Jan 1958 Dec 2004 Producing Month DaysProd Oil (BBL) Gas (MCF) Water (BBL) Wells Jan 2004 541 285206 5296334 63094 28 Feb 2004 467 258444 4464364 70098 29 Mar 2004 523 300854 5643661 84039 30 Apr 2004 551 303311 5389084 94060 30 May 2004 541 290085 4830752 96689 29 Jun 2004 414 249523 3756340 98206 23 Jul 2004 400 250682 3604159 111371 28 Aug 2004 408 233772 3445501 99667 28 Sep 2004 490 276987 4574420 109567 32 Oct 2004 531 305827 4935695 110165 28 Nov 2004 511 285396 5293560 155795 29 Dec 2004 501 259791 5106080 141116 30 Year Total 3299878 56339950 1233867 Pool Total 139,711,098 1,445,184,498 36,914,060 5/25/2005 Page 8 of 8