Summary by Pool: Oil Production March 2011Field Name Pool Name Crude Oil (BBL)BADAMI

BADAMI OIL 34,570UNDEFINED OIL 8,717

Field Total:BEAVER CREEK

BEAVER CREEK OIL 3,549Field Total:

COLVILLE RIVERALPINE OIL 1,745,749FIORD OIL 655,656NANUQ OIL 34,016QANNIK OIL 68,498

Field Total:ENDICOTT

EIDER OILENDICOTT OIL 307,009IVISHAK OIL 8,941SAG/IVISHAK UNDEF OIL 16,113

Field Total:GRANITE PT

HEMLOCK UNDEF OIL 1,011MIDDLE KENAI OIL 62,659UNDEFINED GAS

Field Total:HANSEN

HANSEN UNDEFINED OIL

KATALLAKATALLA OIL

KUPARUK RIVERKUPARUK RIVER OIL 2,939,092MELTWATER OIL 65,049TABASCO OIL 52,324TARN OIL 349,902TERTIARY UNDEFINED WTRSPUGNU UNDEFINED OILWEST SAK OIL 507,551

Field Total:MCARTHUR RIVER

HEMLOCK OIL 79,562MIDDLE KENAI G OIL 32,182UNDEFINED OILWEST FORELAND OIL 5,762

Field Total:MIDDLE GROUND SHOAL

A OILB C AND D OIL

E F AND G OIL 80,449Field Total:

MILNE POINTIVISHAK UNDEF WTRSPKUPARUK RIVER OIL 492,933SAG RIVER OIL 4,087SCHRADER BLUFF OIL 283,214TERTIARY UNDEF WTRSP 0UGNU UNDEF WTRSPUGNU UNDEFINED OIL

Field Total:NIKAITCHUQ

IVISHAK UNDEF WTRSP 0SCHRADER BLUFF OIL 193,251

Field Total:NORTHSTAR

KUPARUK C UNDEF OIL 44,436NORTHSTAR OIL 502,510

Field Total:OOOGURUK

KUPARUK OIL 112,576NUIQSUT OIL 102,623TOROK UNDEFINED OIL 11,054

Field Total:PRUDHOE BAY

AURORA OIL 177,160BOREALIS OIL 324,786LISBURNE OIL 216,051MIDNIGHT SUN OIL 22,692N PRUDHOE BAY OILNIAKUK OIL 118,525POLARIS OIL 118,503PRUDHOE OIL 8,029,475PRUDHOE UNDEFINED WDSPPT M UNDEFINED OILPT MCINTYRE OIL 749,333PUT RIVER OIL 38,055RAVEN OILSCHRADER BLF OIL - ORION 282,446UGNU UNDEFINED WTRSP 0W BEACH OILW BEACH TER UNDEF WTRSP

Field Total:REDOUBT SHOAL

UNDEFINED OILUNDEFINED TYONEK GAS

SWANSON RIVERHEMLOCK OIL 17,341TYONEK UNDEF GAS

UNDEFINED OILField Total:

TRADING BAYG-NE/HEMLOCK-NE OILHEMLOCK OIL 7,190M.KENAI UNALLOCAT ZONEMIDDLE KENAI B OIL 5,171MIDDLE KENAI C OIL 2,127MIDDLE KENAI D OIL 3,061MIDDLE KENAI E OIL 1,602UNDEFINED OILW FORELAND OIL

Field Total:W MCARTHUR RIV

W MCARTHUR RIV OIL 21,612Field Total:

Total Oil:

Water (BBL) Gas (MCF) Producing Completions

0 69,207 50 1,501 1

43,287 Field Total: 0 Field Total: 70,708 Field Count:

1,278 3,156 23,549 Field Total: 1,278 Field Total: 3,156 Field Count:

1,437,907 1,986,310 57324,937 555,739 12

3,213 46,201 3257 42,334 6

2,503,919 Field Total: 1,766,314 Field Total: 2,630,584 Field Count:

6,195,255 11,459,604 5125,753 7,279 1

551 11,041 1332,063 Field Total: 6,221,559 Field Total: 11,477,924 Field Count:

1,993 1,952 117,403 46,767 24

63,670 Field Total: 19,396 Field Total: 48,719 Field Count:

15,300,759 7,323,504 43542,460 343,635 7

435,562 8,289 6584,904 424,624 25

174,834 270,792 413,913,918 Field Total: 16,538,519 Field Total: 8,370,844 Field Count:

1,865,764 57,907 21428,651 23,517 18

108,581 2,370 4117,506 Field Total: 2,402,996 Field Total: 83,794 Field Count:

124,172 18,833 2780,449 Field Total: 124,172 Field Total: 18,833 Field Count:

1,811,083 436,117 7015,122 3,889 1

486,493 117,600 371,780,197 0 6

780,234 Field Total: 4,092,895 Field Total: 557,606 Field Count:

13,313 290 1581 29,386 8

193,251 Field Total: 13,894 Field Total: 29,676 Field Count:

0 911,450 1511,387 17,565,586 15

546,946 Field Total: 511,387 Field Total: 18,477,036 Field Count:

63,828 107,494 4866 77,764 7

4,161 2,950 2226,253 Field Total: 68,855 Field Total: 188,208 Field Count:

390,723 430,395 15872,442 507,379 28222,092 3,836,024 28273,490 99,174 2

940,847 142,827 1016,945 88,659 9

31,842,639 241,013,660 679

5,070,830 6,591,717 4774,172 21,722 2

109,205 205,527 10526,729 0 1

10,077,026 Field Total: 40,340,114 Field Total: 252,937,084 Field Count:

149,206 5,257 17

17,341 Field Total: 149,206 Field Total: 5,257 Field Count:

28,597 7,454 5

2,970 8,993 56,089 2,864 34,650 1,849 4

0 2,789 1

19,151 Field Total: 42,306 Field Total: 23,949 Field Count:

79,368 7,375 421,612 Field Total: 79,368 Field Total: 7,375 Field Count:

18,940,175 Total Water: 72,372,259 Total Gas: 294,930,753 Total Count:

Cum. Crude Oil (BBL) Cum. Water (BBL)

5,344,607 053,585 0

6 Field Cum Total: 5,398,192 Field Cum Total: 0

6,095,894 144,9712 Field Cum Total: 6,095,894 Field Cum Total: 144,971

354,466,759 47,798,57133,725,381 4,644,712

886,336 178,8742,420,321 30,320

78 Field Cum Total: 391,498,797 Field Cum Total: 52,652,477

2,753,888 5,517,441456,682,716 1,159,239,702

8,308,096 33,434,939434,010 12,096

53 Field Cum Total: 468,178,710 Field Cum Total: 1,198,204,178

2,110,970 231,318145,278,310 17,955,687

0 025 Field Cum Total: 147,389,280 Field Cum Total: 18,187,005

33,504 10,122Field Cum Total: 33,504 Field Cum Total: 10,122

154,000 0Field Cum Total: 154,000 Field Cum Total: 0

2,230,068,197 3,620,328,44915,294,154 3,151,55916,528,719 67,307,206

101,973,377 52,657,3710 56,455,530

3,054 56852,995,659 16,205,758

514 Field Cum Total: 2,416,863,160 Field Cum Total: 3,816,106,441

541,249,691 950,934,94365,181,805 96,198,974

332,951 188,77224,683,638 32,828,073

43 Field Cum Total: 631,448,085 Field Cum Total: 1,080,150,762

2,838,227 3,146,84112,010,325 5,509,414

183,764,267 103,605,95727 Field Cum Total: 198,612,819 Field Cum Total: 112,262,212

0 0228,406,446 257,250,989

2,303,405 2,019,28964,954,095 49,052,093

0 293,419,7280 16,995,938

17,257 0114 Field Cum Total: 295,681,203 Field Cum Total: 618,738,037

0 18,525320,172 1,585

9 Field Cum Total: 320,172 Field Cum Total: 20,110

146,764 234149,282,927 35,646,887

16 Field Cum Total: 149,429,691 Field Cum Total: 35,647,121

5,947,361 495,9161,751,795 7,111

167,681 45,14313 Field Cum Total: 7,866,837 Field Cum Total: 548,170

30,498,769 26,681,24162,666,777 58,033,784

157,846,085 50,228,20418,568,945 20,534,697

1,985,858 2,991,51290,726,511 113,092,55611,532,276 2,982,042

11,300,889,832 9,423,967,2320 1,112,346

33,480 13,127431,455,922 611,354,734

1,798,685 881,2642,617,940 4,150,724

22,566,700 3,754,8900 32,574,024

3,374,107 210,4660 5,432,157

831 Field Cum Total: 12,136,561,887 Field Cum Total: 10,357,995,000

2,354,740 2,976,2250 0

Field Cum Total: 2,354,740 Field Cum Total: 2,976,225

229,942,253 126,354,9470 0

51,239 4,17017 Field Cum Total: 229,993,492 Field Cum Total: 126,359,117

23,630,371 30,468,43114,653,174 10,837,035

0 04,403,401 1,003,998

20,864,136 31,040,64329,595,368 25,491,044

8,420,197 3,927,0401,468,038 1,044,986

61,120 9,61118 Field Cum Total: 103,095,805 Field Cum Total: 103,822,788

12,556,952 15,258,2774 Field Cum Total: 12,556,952 Field Cum Total: 15,258,277

1,770 Total Oil Cum: 17,203,533,220 Total Water Cum: 17,539,083,013

Cum. Gas (MCF)

29,406,49023,962

Field Cum Total: 29,430,452

2,212,687Field Cum Total: 2,212,687

427,351,20325,424,759

1,814,3132,150,699

Field Cum Total: 456,740,974

26,520,0972,640,753,606

6,803,356679,966

Field Cum Total: 2,674,757,025

2,190,951129,207,112

0Field Cum Total: 131,398,063

119,006Field Cum Total: 119,006

0Field Cum Total: 0

2,953,789,35336,573,253

2,715,257161,286,940

090

25,097,087Field Cum Total: 3,179,461,980

217,982,93235,642,927

175,4728,598,286

Field Cum Total: 262,399,617

5,322,2258,797,239

79,622,243Field Cum Total: 93,741,707

0124,814,618

2,327,85339,486,978

00

3,370Field Cum Total: 166,632,819

36843,282

Field Cum Total: 43,650

3,000,8241,220,798,320

Field Cum Total: 1,223,799,144

4,620,351910,142

48,149Field Cum Total: 5,578,642

96,697,18872,106,155

1,790,313,97258,454,847

6,651,04280,287,82311,389,115

64,586,184,5550

30,0081,023,563,508

1,387,55713,989,43822,087,980

020,041,309

0Field Cum Total: 67,783,184,497

578,9200

Field Cum Total: 578,920

2,860,643,0430

323,888Field Cum Total: 2,860,966,931

6,484,66215,642,743

1,193,8993,723,117

14,647,89424,227,822

6,794,899684,755

28,517Field Cum Total: 73,428,308

3,082,418Field Cum Total: 3,082,418Total Gas Cum: 78,947,556,840

YR JAN FEB MARCH APRIL MAY JUNE19781979 122,744 147,775 185,181 173,862 206,653 265,501 1980 424,663 456,943 490,296 473,173 544,958 482,546 1981 659,321 538,121 644,292 588,796 724,329 606,243 1982 777,589 730,090 789,050 777,579 848,224 783,128 1983 1,148,738 924,325 1,195,153 1,126,219 1,070,331 1,033,068 1984 1,056,607 991,652 920,649 1,076,146 1,083,222 1,116,814 1985 1,132,450 1,139,064 1,355,557 1,239,856 1,169,329 1,221,147 1986 1,454,112 1,434,268 1,570,347 1,366,556 1,413,408 1,188,657 1987 1,680,053 1,629,020 1,685,417 1,638,597 1,867,656 1,886,697 1988 2,576,802 2,264,006 2,513,516 2,051,195 2,538,083 2,396,280 1989 2,567,394 2,236,840 2,225,505 2,406,115 2,543,042 2,370,364 1990 2,863,311 3,319,393 2,813,223 2,726,184 2,820,667 2,700,244 1991 3,581,443 3,369,411 3,755,941 3,349,548 3,246,673 3,374,732 1992 3,853,206 3,870,258 4,048,941 4,036,320 3,889,148 3,705,122 1993 4,628,960 4,118,696 4,651,183 4,279,332 4,380,314 4,158,714 1994 5,833,444 5,089,360 5,639,929 5,029,482 5,281,593 4,690,713 1995 6,647,609 6,129,788 6,348,401 6,115,405 6,346,782 5,919,873 1996 6,303,087 5,988,814 6,359,396 5,832,973 5,356,200 5,510,026 1997 5,959,720 5,529,498 5,795,250 5,661,450 5,675,562 5,339,427 1998 5,676,457 4,990,417 5,377,619 5,140,433 5,386,562 4,959,948 1999 5,428,751 4,669,672 5,351,248 4,691,846 4,767,096 4,008,700 2000 5,043,426 4,736,901 5,029,463 4,810,078 4,693,850 4,192,586 2001 4,342,019 3,843,850 4,537,361 4,166,369 4,018,868 3,779,900 2002 3,923,238 3,816,221 4,198,349 3,843,143 3,756,278 3,505,372 2003 3,828,403 3,601,645 3,940,832 3,560,097 3,366,848 3,321,516 2004 3,685,852 3,511,471 3,742,838 3,452,437 3,438,546 2,968,970 2005 3,321,094 3,047,496 3,336,792 3,003,986 3,074,883 2,693,682 2006 2,858,597 2,581,695 2,849,550 2,801,179 2,788,625 2,468,606 2007 2,679,693 2,494,554 2,769,958 2,486,797 2,607,008 2,006,606 2008 2,539,991 2,339,887 2,513,604 2,172,356 2,105,786 1,965,936 2009 2,143,983 2,137,865 2,322,682 2,103,523 2,080,365 1,807,380 2010 1,872,885 1,804,708 2,041,009 1,789,725 1,599,096 1,527,820 2011 1,410,332 1,647,201 1,838,877

*In Alaska, condensate is currently produced only from the Prudhoe Bay Field, Prudhoe Oil Pool. Thatcondensate is included in the monthly and cumulative oil production values presented in this report.

PRUDHOE BAY CONDENSATE (BBL)

JULY AUG SEPT OCT NOV DEC 2,056 16,843 43,525 45,421 81,749

285,531 310,939 178,110 283,970 375,217 406,137 617,884 544,248 568,614 660,139 550,986 600,154 484,799 517,888 778,456 853,884 600,841 678,115 1,029,082 1,079,725 1,109,961 1,164,730 1,126,219 1,193,715 1,187,036 1,082,709 1,112,771 1,125,747 942,244 1,180,133 1,162,923 1,007,553 978,641 983,977 998,872 1,323,337 1,290,047 1,188,249 1,325,071 1,326,508 1,357,349 1,517,259 1,146,437 1,002,410 971,218 1,453,319 1,521,138 1,563,023 1,882,684 1,962,331 1,892,574 2,232,284 2,407,030 2,545,772 2,314,964 2,380,230 2,432,702 2,617,356 2,606,505 2,641,344 2,331,946 2,335,041 2,361,533 2,616,883 2,687,966 2,827,281 2,627,226 2,511,815 2,230,532 2,854,878 2,839,308 3,297,108 3,474,072 3,375,193 3,168,246 3,602,920 3,421,509 3,586,183 3,794,350 3,758,958 4,055,572 4,289,454 4,187,023 4,611,991 3,850,424 4,272,127 4,162,390 5,058,975 5,427,597 5,779,075 4,898,012 4,849,260 4,684,262 6,012,276 5,970,704 6,790,376 5,839,968 5,570,575 5,323,396 5,987,039 6,132,698 6,621,071 5,422,948 5,228,056 5,312,171 5,707,470 5,669,939 5,960,925 5,270,180 4,521,576 4,836,241 5,302,581 5,231,614 5,724,265 4,870,179 4,467,553 4,159,389 4,959,476 4,999,971 5,317,847 4,398,879 3,988,340 3,624,881 4,751,987 4,395,413 5,077,850 4,196,340 3,904,552 3,799,993 4,409,084 4,357,904 4,566,568 3,753,569 3,554,446 3,187,806 3,247,348 4,049,529 4,060,175 3,144,662 3,145,222 3,021,566 3,563,935 3,264,505 3,904,602 3,175,480 3,133,683 3,053,908 3,273,645 3,283,196 3,652,259 2,846,897 2,575,652 2,716,231 3,092,890 3,223,106 3,389,583 2,629,141 2,522,021 2,570,612 2,801,101 2,966,125 2,799,580 2,269,678 1,188,517 1,301,312 2,177,328 2,019,771 2,705,656 2,196,735 2,042,436 1,972,810 2,230,810 2,329,679 2,421,718 1,839,141 1,463,713 1,899,918 2,123,497 2,200,908 2,223,490 1,776,408 1,344,590 1,743,731 1,805,460 1,878,077 1,835,253 1,323,584 1,233,527 1,588,735 1,766,858 1,744,221 1,920,182

*In Alaska, condensate is currently produced only from the Prudhoe Bay Field, Prudhoe Oil Pool. Thatcondensate is included in the monthly and cumulative oil production values presented in this report.

YR YR TOTAL CUMULATIVE 1978 189,594 189,594 1979 2,941,620 3,131,214 1980 6,414,604 9,545,818 1981 7,675,085 17,220,903 1982 11,409,092 28,629,995 1983 13,128,474 41,758,469 1984 12,700,393 54,458,862 1985 15,261,886 69,720,748 1986 16,084,893 85,805,641 1987 23,310,115 109,115,756 1988 29,332,983 138,448,739 1989 29,509,910 167,958,649 1990 33,603,889 201,562,538 1991 41,305,871 242,868,409 1992 48,100,343 290,968,752 1993 54,767,787 345,736,539 1994 64,769,411 410,505,950 1995 72,982,605 483,488,555 1996 68,652,005 552,140,560 1997 64,847,364 616,987,924 1998 60,305,851 677,293,775 1999 55,154,663 732,448,438 2000 53,740,745 786,189,183 2001 46,541,240 832,730,423 2002 43,087,093 875,817,516 2003 41,191,512 917,009,028 2004 38,644,473 955,653,501 2005 34,766,513 990,420,014 2006 28,010,514 1,018,430,528 2007 28,238,804 1,046,669,332 2008 25,388,227 1,072,057,559 2009 22,979,317 1,095,036,876 2010 20,212,350 1,115,249,226 2011 4,896,410 1,120,145,636

Summary by Pool: Gas Production March 2011

Field Name Pool NameFieldName Pool_NmALBERT KALOA

UNDEFINED GAS

BARROWEAST BARROW GASSOUTH BARROW GAS

BEAVER CREEKBELUGA GASSTERLING GASTYONEK UNDEF GAS

BELUGA RIVERUNDEFINED GAS

BIRCH HILLUNDEFINED GAS

DEEP CREEKHV BELUGA/TYONEK GAS

GRANITE PTUNDEFINED GAS

IVAN RIVERUNDEFINED GAS

KASILOFTYONEK UNDEFINED GAS

KENAIBELUGA UNDEF GASSTERLING 3 GASSTERLING 4 GASSTERLING 5.1 GASSTERLING 5.2 GASSTERLING 6 GASSTERLING 6 GAS STORTYONEK GASUP TYONEK BELUGA GAS

KENAI C.L.U.BELUGA GASSTERLING UNDEFINED GASTYONEK D GASUPPER TYONEK GAS

KUSTATANKUSTATAN FIELD 1 GAS

LEWIS RIVERUNDEFINED GAS

LONE CREEKUNDEFINED GAS

MCARTHUR RIVERMIDDLE KENAI GAS

MIDDLE GROUND SHOALE F AND G OILUNDEFINED GAS

MOQUAWKIEUNDEFINED GAS

NICOLAI CREEKBELUGA UNDEFINED GASNORTH UNDEFINED GASSOUTH UNDEFINED GAS

NINILCHIKFC TYONEK UNDEFINED GASGO TYONEK UNDEFINED GASSD BELUGA UNDEFINED GASSD TYONEK UNDEFINED GAS

NORTH COOK INLETTERTIARY GAS

NORTH FORKUNDEFINED GAS

PIONEERTYONEK UNDEFINED GAS

PRETTY CREEKBELUGA GAS STORAGEUNDEFINED GAS

RED DOGKIVALINA UNDEFINED GAS

REDOUBT SHOALUNDEFINED G-O GASUNDEFINED OILUNDEFINED TYONEK GAS

STERLINGBELUGA UNDEFINED GASLOWER BEL/TYONEK UNDEF GASSTERLING UNDEFINED GASTYONEK UNDEFINED GAS

UPPER BELUGA UNDEF GAS

STUMP LAKEUNDEFINED GAS

SWANSON RIVER64-5 TYONEK GAS STORAGE77-3 TYONEK GAS STORAGEBELUGA UNDEF GASHEMLOCK OILSTERLING UNDEF GASTYONEK UNDEF GAS

THREE MILE CREEKBELUGA GAS

TRADING BAYUNDEFINED GAS

W FORELANDTYONEK UNDEFINED 4.0 GASTYONEK UNDEFINED 4.2 GAS

W FORKSTERLING A GASSTERLING B GASUNDEFINED GAS

WALAKPAWALAKPA GAS

WOLF LAKEBELUGA-TYONEK UNDEF GAS

Water (BBL) Gas (MCF)SumOil SumWater SumGas CountOfProdComps

0 386 12,960 1Field Total: 0 Field Total: 386 Field Total: 12,960 Field Count: 1

0 0 10,667 10 0 39,985 5

Field Total: 0 Field Total: 0 Field Total: 50,652 Field Count: 6

0 2,000 212,111 4

Field Total: 0 Field Total: 2,000 Field Total: 212,111 Field Count: 4

0 26,154 2,955,038 15Field Total: 0 Field Total: 26,154 Field Total: 2,955,038 Field Count: 15

0 146 170,755 7Field Total: 0 Field Total: 146 Field Total: 170,755 Field Count: 7

0 0 116,210 2Field Total: 0 Field Total: 0 Field Total: 116,210 Field Count: 2

0 95 36,211 1Field Total: 0 Field Total: 95 Field Total: 36,211 Field Count: 1

0 206 219,844 80 0 219,844 80 48 134,807 20 13,735 874,981 20

Field Total: 0 Field Total: 13,989 Field Total: 1,449,476 Field Count: 38

0 10,314 285,632 40 143 34,772 1

0 0 18,073 1Field Total: 0 Field Total: 10,457 Field Total: 338,477 Field Count: 6

Condensate(BBL)

ProducingCompletions

0 0 57,883 1Field Total: 0 Field Total: 0 Field Total: 57,883 Field Count: 1

0 428 83,634 2Field Total: 0 Field Total: 428 Field Total: 83,634 Field Count: 2

0 20,528 2,073,906 22Field Total: 0 Field Total: 20,528 Field Total: 2,073,906 Field Count: 22

0 0 985 1Field Total: 0 Field Total: 0 Field Total: 985 Field Count: 1

0 7 22,614 2Field Total: 0 Field Total: 7 Field Total: 22,614 Field Count: 2

0 25 27,898 2

0 75 9,256 2Field Total: 0 Field Total: 100 Field Total: 37,154 Field Count: 4

0 1,383 141,483 30 166 179,095 50 231 158,070 20 191 909,827 5

Field Total: 0 Field Total: 1,971 Field Total: 1,388,475 Field Count: 15

0 4,493 1,383,078 11Field Total: 0 Field Total: 4,493 Field Total: 1,383,078 Field Count: 11

0 0 510 1Field Total: 0 Field Total: 0 Field Total: 510 Field Count: 1

0 0 226,327 1

Field Total: 0 Field Total: 0 Field Total: 226,327 Field Count: 1

0 36 92,412 1Field Total: 0 Field Total: 36 Field Total: 92,412 Field Count: 1

0 0 34,899 1Field Total: 0 Field Total: 0 Field Total: 34,899 Field Count: 1

0 0 113,308 20 0 345,454 20 0 42,104 2

0 0 38,870 2

Field Total: 0 Field Total: 0 Field Total: 539,736 Field Count: 8

0 115 18,687 2Field Total: 0 Field Total: 115 Field Total: 18,687 Field Count: 2

0 22 8,727 10 22 1,353 1

Field Total: 0 Field Total: 44 Field Total: 10,080 Field Count: 2

0 0 114,629 9Field Total: 0 Field Total: 0 Field Total: 114,629 Field Count: 9

Total Oil: 0 Total Water: 80,949 Total Gas: 11,426,899 Total Count: 163

Cum. Water (BBL) Cum. Gas (MCF)SumOfSumOil SumOfSumWater SumOfSumGas

0 11,403 3,450,265Field Cum Total: 0 Field Cum Total: 11,403 Field Cum Total: 3,450,265

0 1,694 8,645,2210 1,040 23,388,367

Field Cum Total: 0 Field Cum Total: 2,734 Field Cum Total: 32,033,588

0 490,064 75,195,4480 527,689 125,952,8880 6,818 5,498,432

Field Cum Total: 0 Field Cum Total: 1,024,571 Field Cum Total: 206,646,768

0 869,565 1,194,783,389Field Cum Total: 0 Field Cum Total: 869,565 Field Cum Total: 1,194,783,389

0 0 65,331Field Cum Total: 0 Field Cum Total: 0 Field Cum Total: 65,331

0 44,565 16,845,951Field Cum Total: 0 Field Cum Total: 44,565 Field Cum Total: 16,845,951

0 0 872,758Field Cum Total: 0 Field Cum Total: 0 Field Cum Total: 872,758

0 21,331 82,072,189Field Cum Total: 0 Field Cum Total: 21,331 Field Cum Total: 82,072,189

0 1,558 3,219,529Field Cum Total: 0 Field Cum Total: 1,558 Field Cum Total: 3,219,529

0 0 1200 137,206 332,683,7670 154,714 451,849,0340 154,663 484,638,7070 12,700 44,031,6350 120,678 539,312,6320 0 6,486,973

8,994 92,857 191,640,0992,879 1,534,101 340,416,300

Field Cum Total: 11,873 Field Cum Total: 2,206,919 Field Cum Total: 2,391,059,267

104 1,520,421 81,111,7840 5,989 22,783,4100 9,410 1,399,385

394 47,121 72,640,968Field Cum Total: 498 Field Cum Total: 1,582,941 Field Cum Total: 177,935,547

0 0 342,237

Cum. Condensate

(BBL)

Field Cum Total: 0 Field Cum Total: 0 Field Cum Total: 342,237

0 1,958 12,925,759Field Cum Total: 0 Field Cum Total: 1,958 Field Cum Total: 12,925,759

0 7,545 8,773,990Field Cum Total: 0 Field Cum Total: 7,545 Field Cum Total: 8,773,990

0 624,081 1,146,943,682Field Cum Total: 0 Field Cum Total: 624,081 Field Cum Total: 1,146,943,682

0 0 00 131 16,407,806

Field Cum Total: 0 Field Cum Total: 131 Field Cum Total: 16,407,806

0 6,448 4,630,209Field Cum Total: 0 Field Cum Total: 6,448 Field Cum Total: 4,630,209

1 501 2,304,9370 33,731 2,254,4770 1,031 1,137,135

Field Cum Total: 1 Field Cum Total: 35,263 Field Cum Total: 5,696,549

0 170,387 26,961,7400 23,348 30,531,9430 1,965 1,424,9160 186,090 59,994,568

Field Cum Total: 0 Field Cum Total: 381,790 Field Cum Total: 118,913,167

0 1,010,211 1,843,892,123Field Cum Total: 0 Field Cum Total: 1,010,211 Field Cum Total: 1,843,892,123

0 0 105,105Field Cum Total: 0 Field Cum Total: 0 Field Cum Total: 105,105

0 95,331 2,952Field Cum Total: 0 Field Cum Total: 95,331 Field Cum Total: 2,952

0 84 2,262,7510 8,756 9,465,521

Field Cum Total: 0 Field Cum Total: 8,840 Field Cum Total: 11,728,272

0 852,832 2,557Field Cum Total: 0 Field Cum Total: 852,832 Field Cum Total: 2,557

0 0 451,9330 0 00 0 0

Field Cum Total: 0 Field Cum Total: 0 Field Cum Total: 451,933

0 7,539 436,3400 6,552 908,1960 141,934 3,800,9310 620 141,371

0 5,111 7,888,436Field Cum Total: 0 Field Cum Total: 161,756 Field Cum Total: 13,175,274

0 493 6,299,295Field Cum Total: 0 Field Cum Total: 493 Field Cum Total: 6,299,295

0 0 8,334,3000 36 5,745,2260 95 1,996,3120 0 00 1,067,126 31,545,1110 419,258 18,889,724

Field Cum Total: 0 Field Cum Total: 1,486,515 Field Cum Total: 66,510,673

0 10,251 2,153,089Field Cum Total: 0 Field Cum Total: 10,251 Field Cum Total: 2,153,089

0 198,478 5,726,803Field Cum Total: 0 Field Cum Total: 198,478 Field Cum Total: 5,726,803

0 11,966 7,768,5340 5,641 3,077,393

Field Cum Total: 0 Field Cum Total: 17,607 Field Cum Total: 10,845,927

0 12,431 1,230,7860 49,119 1,439,5600 1,962 3,117,797

Field Cum Total: 0 Field Cum Total: 63,512 Field Cum Total: 5,788,143

0 14 21,799,090Field Cum Total: 0 Field Cum Total: 14 Field Cum Total: 21,799,090

0 10,438 822,676Field Cum Total: 0 Field Cum Total: 10,438 Field Cum Total: 822,676

Total Oil Cum: 12,372 Total Water Cum: 10,739,081 Total Gas Cum: 7,412,921,893

Summary by Pool: NGL Production March 2011Field Name Pool Name Total NGL (BBL)ENDICOTT

ENDICOTT OIL 43,779IVISHAK OIL 31

Field Total:KUPARUK RIVER

KUPARUK RIVER OIL

MCARTHUR RIVERHEMLOCK OILMIDDLE KENAI G OILWEST FORELAND OIL

PRUDHOE BAYLISBURNE OIL 30,715N PRUDHOE BAY OIL 0NIAKUK OIL 2,605PRUDHOE OIL 1,681,158PT M UNDEFINED OILPT MCINTYRE OIL 57,590RAVEN OIL 0W BEACH OIL 0

Field Total:SWANSON RIVER

HEMLOCK OIL

TRADING BAYHEMLOCK OILM.KENAI UNALLOCAT ZONE

Total Oil:

Cumulative NGL (BBL)

24,672,066113,002

43,810 Field Cum Total: 24,785,068

3,345,638Field Cum Total: 3,345,638

7,981,409784,489212,981

Field Cum Total: 8,978,879

16,089,34984,922

1,157,337565,152,257

60010,884,283

141,764220,306

1,772,068 Field Cum Total: 593,730,818

1,398,720Field Cum Total: 1,398,720

51,753307,851

Field Cum Total: 359,6041,815,878 Total Oil Cum: 632,598,727

Summary by Pool: Enhanced Recovery March 2011

Field Name Pool NameBADAMI

BADAMI OIL

BEAVER CREEKBELUGA GAS

COLVILLE RIVERALPINE OILFIORD OILNANUQ OILQANNIK OIL

ENDICOTTEIDER OILENDICOTT OILIVISHAK OIL

GRANITE PTMIDDLE KENAI OIL

KUPARUK RIVERKUPARUK RIVER OILMELTWATER OILTABASCO OILTARN OILUGNU UNDEFINED OILWEST SAK OIL

MCARTHUR RIVERHEMLOCK OILMIDDLE KENAI G OILWEST FORELAND OIL

MIDDLE GROUND SHOALA OILB C AND D OILE F AND G OIL

MILNE POINTKUPARUK RIVER OILSAG RIVER OILSCHRADER BLUFF OIL

NIKAITCHUQSCHRADER BLUFF OIL

NORTHSTARNORTHSTAR OIL

OOOGURUK

KUPARUK OILNUIQSUT OIL

PRUDHOE BAYAURORA OILBOREALIS OILLISBURNE OILMIDNIGHT SUN OILNIAKUK OILPOLARIS OILPRUDHOE OILPT MCINTYRE OILPUT RIVER OILRAVEN OILSCHRADER BLF OIL - ORIONW BEACH OIL

REDOUBT SHOALUNDEFINED OIL

SWANSON RIVERHEMLOCK OIL

TRADING BAYG-NE/HEMLOCK-NE OILHEMLOCK OILMIDDLE KENAI C OILMIDDLE KENAI D OIL

Water (BBL) Gas (MCF)

0 15,609 1Field Total: 0 Field Total: 15,609 Field Count: 1

4,269,771 1,521,180 56593,645 539,204 8129,256 0 2126,078 0 3

Field Total: 5,118,750 Field Total: 2,060,384 Field Count: 69

6,185,202 10,357,342 2436,357 0 1

Field Total: 6,221,559 Field Total: 10,357,342 Field Count: 25

8,705 0 3Field Total: 8,705 Field Total: 0 Field Count: 3

19,805,563 5,386,464 3060 612,176 4

497,392 0 11,370,551 532,888 13

351,288 234,144 22Field Total: 22,024,794 Field Total: 6,765,672 Field Count: 346

2,072,070 0 19149,357 0 9153,855 0 2

Field Total: 2,375,282 Field Total: 0 Field Count: 30

214,458 0 12Field Total: 214,458 Field Total: 0 Field Count: 12

2,066,265 245,830 4530,850 0 1

984,431 0 38Field Total: 3,081,546 Field Total: 245,830 Field Count: 84

2,815 0 2Field Total: 2,815 Field Total: 0 Field Count: 2

0 18,549,387 6Field Total: 0 Field Total: 18,549,387 Field Count: 6

InjectionCompletion

s

140,523 0 298,888 0 2

Field Total: 239,411 Field Total: 0 Field Count: 4

686,220 263,744 101,167,866 821,796 18

0 2,922,316 2475,773 0 3912,324 0 6127,771 0 7

54,339,467 222,630,476 2195,423,714 5,784,661 16

152,733 0 1

330,228 345,344 25

Field Total: 63,616,096 Field Total: 232,768,337 Field Count: 307

23,701 0 15,810 0 15,810 0 1

Field Total: 35,321 Field Total: 0 Field Count: 3Total Water: 102,938,737 Total Gas: 270,762,561 Total Count: 892

Cum. Water (BBL) Cum. (Gas (MCF)

0 25,935,254Field Cum Total: 0 Field Cum Total: 25,935,254

0 551,056Field Cum Total: 0 Field Cum Total: 551,056

405,555,513 375,883,59537,222,811 19,658,614

1,869,746 269,4493,782,860 0

Field Cum Total: 448,430,930 Field Cum Total: 395,811,658

4,332,064 01,539,957,876 2,369,087,695

49,441,693 0Field Cum Total: 1,593,731,633 Field Cum Total: 2,369,087,695

159,918,163 0Field Cum Total: 159,918,163 Field Cum Total: 0

5,917,262,551 2,348,270,77725,179,453 50,135,07177,132,020 0

155,262,689 189,850,4750 0

76,725,855 1,612,980Field Cum Total: 6,251,562,568 Field Cum Total: 2,589,869,303

1,605,927,063 0147,487,862 0

62,329,814 0Field Cum Total: 1,815,744,739 Field Cum Total: 0

10,513,195 032,873,008 0

305,559,578 0Field Cum Total: 348,945,781 Field Cum Total: 0

434,373,154 101,874,1802,459,054 323,797

128,606,469 202,259Field Cum Total: 565,438,677 Field Cum Total: 102,400,236

2,815 0Field Cum Total: 2,815 Field Cum Total: 0

6,836 1,403,032,110Field Cum Total: 6,836 Field Cum Total: 1,403,032,110

6,104,533 01,015,689 301,832

Field Cum Total: 7,120,222 Field Cum Total: 301,832

70,688,267 29,652,393124,226,552 46,687,483

13,374,209 1,729,795,95166,498,463 0

235,039,989 011,015,974 1,115,542

12,660,181,671 59,087,212,8021,057,631,150 905,774,991

4,351,990 010,262,465 022,536,936 9,760,007

6,845,427 0Field Cum Total: 14,282,653,093 Field Cum Total: 61,809,999,169

2,353,536 0Field Cum Total: 2,353,536 Field Cum Total: 0

8,348,889 2,851,898,208Field Cum Total: 8,348,889 Field Cum Total: 2,851,898,208

33,548,653 014,167,584 042,073,936 075,580,468 0

Field Cum Total: 165,370,641 Field Cum Total: 0Total Water Cum: 25,649,628,523 Total Gas Cum: 71,548,886,521

Summary by Pool: Disposal March 2011Field Name Pool Name Fluids (BBL)*ASPEN

UNDEFINED WDSP 1,637Field Total:

BADAMIUNDEFINED WDSP 1,954

Field Total:BEAVER CREEK

UNDEFINED WDSP 2,911Field Total:

BELUGA RIVERUNDEFINED WDSP 27,038

Field Total:COLVILLE RIVER

UNDEFINED WDSP 58,749Field Total:

DEEP CREEKUNDEFINED WDSP 934

Field Total:ENDICOTT

UNDEFINED WDSP

GRANITE PTUNDEFINED WDSP 11,072

Field Total:HOUSTON

UNDEFINED WDSP

ILIAMNAUNDEFINED WDSP

IVAN RIVERUNDEFINED WDSP 74

Field Total:KENAI

UNDEFINED WDSP 29,907Field Total:

KUPARUK RIVERCRETACEOUS UNDEF WDSP 33,933

Field Total:KUSTATAN

UNDEFINED WDSP

LEWIS RIVERUNDEFINED WDSP

MIDDLE GROUND SHOALSMGS UNDEFINED WDSPUNDEFINED WDSP

MILNE POINTUNDEFINED WDSP 811,074

Field Total:

NIKAITCHUQUNDEFINED WDSP 49,772

Field Total:NORTH COOK INLET

UNDEFINED WDSP 4,896Field Total:

NORTHSTARUNDEFINED WDSP 542,130

Field Total:OOOGURUK

UNDEFINED WDSP 51,660Field Total:

PIONEERUNDEFINED WDSP

PRUDHOE BAYLISBURNE UNDEFINED WDSPPRUDHOE UNDEFINED WDSP 5,361,908

Field Total:PT THOMSON

UNDEFINED WDSP

REDOUBT SHOALUNDEFINED WDSP

STERLINGUNDEFINED WDSP 36

Field Total:SWANSON RIVER

UNDEFINED WDSP 149,205Field Total:

TRADING BAYUNDEFINED WDSP

W MCARTHUR RIVUNDEFINED WDSP 78,233

Field Total:Total Water:

Disposal Wells Cum. Fluids (BBL)

1 49,7821,637 Field Count: 1 Field Cum Total: 49,782

1 952,9961,954 Field Count: 1 Field Cum Total: 952,996

1 759,8552,911 Field Count: 1 Field Cum Total: 759,855

2 1,205,82927,038 Field Count: 2 Field Cum Total: 1,205,829

2 5,562,21858,749 Field Count: 2 Field Cum Total: 5,562,218

1 94,009934 Field Count: 1 Field Cum Total: 94,009

5,888,414Field Cum Total: 5,888,414

1 1,028,39211,072 Field Count: 1 Field Cum Total: 1,028,392

33,462Field Cum Total: 33,462

5,671Field Cum Total: 5,671

1 69,71774 Field Count: 1 Field Cum Total: 69,717

3 8,156,12329,907 Field Count: 3 Field Cum Total: 8,156,123

1 22,919,88033,933 Field Count: 1 Field Cum Total: 22,919,880

475,689Field Cum Total: 475,689

42,503Field Cum Total: 42,503

158,302550,416

Field Cum Total: 708,718

1 47,201,068811,074 Field Count: 1 Field Cum Total: 47,201,068

1 283,56549,772 Field Count: 1 Field Cum Total: 283,565

1 670,5564,896 Field Count: 1 Field Cum Total: 670,556

1 39,318,715542,130 Field Count: 1 Field Cum Total: 39,318,715

1 1,680,71651,660 Field Count: 1 Field Cum Total: 1,680,716

119,690Field Cum Total: 119,690

377,650,7639 1,632,471,651

5,361,908 Field Count: 9 Field Cum Total: 2,010,122,414

6,464Field Cum Total: 6,464

1,807,407Field Cum Total: 1,807,407

1 128,45636 Field Count: 1 Field Cum Total: 128,456

2 63,121,314149,205 Field Count: 2 Field Cum Total: 63,121,314

202,545Field Cum Total: 202,545

1 14,409,28478,233 Field Count: 1 Field Cum Total: 14,409,284

7,217,123 Total Count: 32 Total Water Cum: 2,227,025,452

Gas Production from Storage Pools March 2011Field and Pool Name Month Gas (MCF) Cum. Gas (MCF)KENAI, STERLING 6 GAS STOR 219,844 6,486,973

Field Total: 219,844 Field Total:PRETTY CREEK, BELUGA GAS STOR 226,327 2,262,751

Field Total: 226,327 Field Total:SWANSON RIVER, 64-5 TYNK GS ST 113,308 8,334,300SWANSON RIVER, 77-3 TYNK GS ST 345,454 5,745,226

Field Total: 458,762 Field Total:Total Gas: 904,933 Total Cum. Gas:

Gas Injection to Storage Pools March 2011Field and Pool Name Month Gas (MCF) Cum. Gas (MCF)KENAI, STERLING 6 GAS STOR 172,460 18,533,323

Field Total: 172,460 Field Total:PRETTY CREEK, BELUGA GAS STORAGE 0 3,184,738

Field Total: 0 Field Total:SWANSON RIVER, 64-5 TYONEK GAS STORAGE 0 9,076,478SWANSON RIVER, 77-3 TYONEK GAS STORAGE 3,382 6,336,895

Field Total: 3,382 Field Total:Total Gas: 175,842 Total Gas Cum:

6,486,973

2,262,751

14,079,52622,829,250

18,533,323

3,184,738

15,413,37337,131,434