### MCF MCF FORMATIONPRODUCEDPERCENTSOLDPERCENT Bakken 2304023 4.14181978305 3.9969 Birdbear 751471 1.3509 600465 1.2132 Cambro/Ordovician 6552 0.0118 0 0.0000 Dawson Bay 825314 1.4836 824257 1.6653 Devonian 1269292 2.28171251687 2.5289 Duperow 1152796 2.0723 886576 1.7912 Eagle 366079 0.6581 365581 0.7386 Gunton 3498 0.0063 3498 0.0071 Heath 65019 0.1169 23763 0.0480 Lodgepole 3591033 6.45543445909 6.9620 Madison 1766824531.76131592053832.1653 Midale/Nesson 667971 1.2008 588052 1.1881 Minnelusa (Nitrogen) 77827 0.1399 77827 0.1572 Ordovician 831656414.9503824912016.6662 Ratcliffe 18917 0.0340 15492 0.0313 Red River 760371913.66884719520 9.5352 Red River "B" 1794718 3.22631616025 3.2650 Red River "C" 1185 0.0021 1185 0.0024 Sanish 279607 0.5026 271365 0.5483 Silurian 3234121 5.81383180611 6.4260 Souris River 1879 0.0034 0 0.0000 Spearfish/Charles 44926 0.0808 0 0.0000 Spearfish/Madison 62 0.0001 0 0.0000 Stonewall 1122684 2.01821101212 2.2249 Tyler 84058 0.1511 4365 0.0088 Winnipeg 167413 0.3009 166099 0.3356 Winnipeg/Deadwood3957160 7.11363957160 7.9949 Winnipegosis 252051 0.4531 247387 0.4998 55628184 49495999 1999 NORTH DAKOTA GAS PRODUCTION BY FORMATION

### MCF MCF FORMATION PRODUCEDPERCENTSOLDPERCENT Bakken 2050761 3.67721758251 3.6078 Birdbear 1217428 2.18291026476 2.1063 Birdbear-Duperow 4105 0.0074 3087 0.0063 Cambro/Ordovician 6670 0.0120 0 0.0000 Dawson Bay 591651 1.0609 590581 1.2118 Devonian 1356661 2.43261342126 2.7539 Duperow 1147043 2.0567 886068 1.8181 Eagle 332405 0.5960 332175 0.6816 Heath 55134 0.0989 18709 0.0384 Lodgepole 3190199 5.72032986768 6.1286 Madison 1930756334.61991744533335.7966 Midale/Nesson 494311 0.8863 423406 0.8688 Minnelusa (Nitrogen) 72110 0.1293 72110 0.1480 Ordovician 739354613.2572735991515.1020 Ratcliffe 38273 0.0686 23725 0.0487 Red River 840736015.07504809803 9.8694 Red River "B" 1583294 2.83901391655 2.8556 Red River "C" 1198 0.0021 1198 0.0025 Sanish 289551 0.5192 279166 0.5728 Silurian 3484443 6.24793451383 7.0820 Souris River 19413 0.0348 0 0.0000 Spearfish/Charles 48135 0.0863 0 0.0000 Spearfish/Madison 61 0.0001 0 0.0000 Stonewall 1237807 2.21951193491 2.4490 Tyler 84809 0.1521 2266 0.0046 West Red River 178176 0.3195 177233 0.3637 Winnipeg 9370 0.0168 0 0.0000 Winnipeg/Deadwood 2904447 5.20792904447 5.9597 Winnipegosis 264231 0.4738 255266 0.5238 55770155 48734638 2000 NORTH DAKOTA GAS PRODUCTION BY FORMATION

### MCF MCF FORMATION PRODUCED PERCENT SOLD PERCENT Bakken 1968047 3.3962 1694718 3.3024 Birdbear 1063822 1.8358 886768 1.7280 Birdbear-Duperow 4798 0.0083 3896 0.0076 Cambro/Ordovician 4317 0.0074 0 0.0000 Dawson Bay 480659 0.8295 479664 0.9347 Devonian 1390192 2.3990 1380695 2.6905 Duperow 1168577 2.0166 898995 1.7518 Eagle 341700 0.5897 341700 0.6658 Heath 48288 0.0833 13363 0.0260 Lodgepole 2636574 4.5498 2586936 5.0410 Madison 20379479 35.1682 18440398 35.9334 Midale/Nesson 353849 0.6106 286983 0.5592 Minnelusa (Nitrogen) 93895 0.1620 93895 0.1830 Ordovician 6634297 11.4486 6619142 12.8982 Ratcliffe 41468 0.0716 26574 0.0518 Red River 10009358 17.2728 6652540 12.9633 Red River "B" 1762914 3.0422 1564025 3.0477 Red River "C" 528 0.0009 528 0.0010 Sanish 259991 0.4487 250150 0.4874 Silurian 3496217 6.0333 3475285 6.7720 Souris River 5308 0.0092 0 0.0000 Spearfish/Charles 49310 0.0851 0 0.0000 Spearfish/Madison 62 0.0001 0 0.0000 Stonewall 1592253 2.7477 1560022 3.0399 Tyler 81831 0.1412 474 0.0009 West Red River 124033 0.2140 124033 0.2417 Winnipeg 13 0.0000 13 0.0000 Winnipeg/Deadwood 3618457 6.2442 3618457 7.0510 Winnipegosis 338403 0.5840 319028 0.6217 57948640 51318282 2001 NORTH DAKOTA GAS PRODUCTION BY FORMATION

### MCF MCF

FORMATION PRODUCEDPERCENTSOLDPERCENTWELLS

BAKKEN 1793579 2.9904 1537089 2.9142 177 BAKKEN/THREE FORKS 315 0.0005 242 0.0005 1 BIRDBEAR 799879 1.3336 649495 1.2314 54 CAMBRO/ORDOVICIAN 4043 0.0067 0 0 1 DAWSON BAY 378594 0.6312 377889 0.7165 4 DEVONIAN 1283437 2.1399 1280721 2.4282 56 DUPEROW 1068653 1.7818 815650 1.5464 110 EAGLE 293990 0.4902 293990 0.5574 21 GUNTON 23038 0.0384 0 0 1 HEATH 36886 0.0615 11307 0.0214 31 LODGEPOLE 2360146 3.9351 2325276 4.4086 29 MADISON 2135174335.5996 19461652 36.89811462 MIDALE/NESSON 284932 0.4751 222211 0.4213 19 MINNELUSA (NITROGEN) 139056 0.2318 139056 0.2636 1 MISSION CANYON 2790 0.0047 2790 0.0053 1 ORDOVICIAN 6563272 10.9429 6542723 12.4046 47 PIERRE 155981 0.2601 155981 0.2957 34 RATCLIFFE 44840 0.0748 31720 0.0601 4 RED RIVER 1091227618.1939 7357497 13.9494 177 RED RIVER B 1952531 3.2554 1718517 3.2582 229 SANISH 233756 0.3897 224091 0.4249 11 SILURIAN 4011400 6.6882 3486177 6.6096 62 SOURIS RIVER 681 0.0011 0 0 1 SPEARFISH/CHARLES 49285 0.0822 0 0 96 SPEARFISH/MADISON 60 0.0001 0 0 2 STONEWALL 1456310 2.4281 1430312 2.7118 44 TYLER 85418 0.1424 0 0 36 TYLER A 1183 0.002 0 0 5 WEST RED RIVER 108042 0.1801 108042 0.2048 20 WINNIPEG/DEADWOOD 4293946 7.1593 4293946 8.1411 5 WINNIPEGOSIS 287443 0.4793 277955 0.527 20 

### 59977505 52744329

XX 2002 NORTH DAKOTA GAS PRODUCTION BY FORMATIONFORMATION MCF PRODUCEDPERCENT MCF SOLDPERCENTWELLS BAKKEN 1744751 3.014215087952.9224 173 BIRDBEAR 789938 1.3647 6295641.2194 57 CAMBRO/ORDOVICIAN 4632 0.0080 00.0000 1 DAWSON BAY 222785 0.3849 2219750.4299 3 DEVONIAN 1330618 2.298813271802.5707 56 DUPEROW 958138 1.6553 7363221.4262 105 EAGLE 401808 0.6942 4018080.7783 22 HEATH 38563 0.0666 142460.0276 31 LODGEPOLE 2055806 3.551620264243.9250 29 MADISON 21263315 36.73441950467237.7791 1491 MIDALE/NESSON 204796 0.3538 1351740.2618 19 MINNELUSA (NITROGEN) 125739 0.2172 1257390.2435 1 MISSION CANYON 14257 0.0246 142570.0276 1 ORDOVICIAN 6182548 10.6810615288511.9177 58 PIERRE 343172 0.5929 3431720.6647 45 RATCLIFFE 36507 0.0631 210370.0407 4 RED RIVER 9342078 16.1393614761211.9075 173 RED RIVER B 1909998 3.299715767263.0540 240 SANISH 227140 0.3924 2183000.4228 12 SILURIAN 3672242 6.344236616587.0924 59 SPEARFISH/CHARLES 47883 0.0827 00.0000 95 SPEARFISH/MADISON 60 0.0001 00.0000 2 STONEWALL 1803163 3.115117757193.4394 47 TYLER 66748 0.1153 00.0000 34 TYLER A 956 0.0017 00.0000 4 WEST RED RIVER 97778 0.1689 977780.1894 18 WINNIPEG 1260 0.0022 00.0000 1 WINNIPEG/DEADWOOD 4739125 8.187347391259.1793 5 WINNIPEGOSIS 258062 0.4458 2480130.4804 18 TOTALS 57883866100.000051628181100.0000 2804 

## 2003 NORTH DAKOTA GAS PRODUCTION BY FORMATIONFORMATION MCF PRODUCED PERCENT MCF SOLD PERCENT WELLS BAKKEN 1665334 2.8304 1396511 2.6549 180 BIRDBEAR 1106257 1.8802 909068 1.7282 75 CAMBRO/ORDOVICIAN 4929 0.0084 0 0.0000 2 DAWSON BAY 122251 0.2078 121278 0.2306 3 DEVONIAN 1222548 2.0778 1217446 2.3144 56 DUPEROW 1026593 1.7448 783403 1.4893 109 EAGLE 700205 1.1901 700205 1.3311 29 HEATH 35386 0.0601 14465 0.0275 29 LODGEPOLE 1624934 2.7617 1595776 3.0337 30 MADISON 24275725 41.2585 22511521 42.7958 1490 MIDALE/NESSON 170875 0.2904 110031 0.2092 19 MINNELUSA (NITROGEN) 126061 0.2143 126061 0.2396 2 MISSION CANYON 14762 0.0251 14762 0.0281 1 ORDOVICIAN 5586769 9.4952 5542066 10.5358 65 PIERRE 1004354 1.7070 1004355 1.9093 57 RATCLIFFE 40315 0.0685 25399 0.0483 4 RED RIVER 8314106 14.1305 5488424 10.4338 177 RED RIVER B 2496592 4.2432 1927128 3.6636 226 SANISH 209495 0.3561 199383 0.3790 12 SILURIAN 3480691 5.9157 3468291 6.5934 56 SPEARFISH/CHARLES 32324 0.0549 0 0.0000 88 SPEARFISH/MADISON 61 0.0001 0 0.0000 3 STONEWALL 1994799 3.3903 1946059 3.6996 54 TYLER 54406 0.0925 0 0.0000 33 TYLER A 1142 0.0019 0 0.0000 4 WEST RED RIVER 123291 0.2095 115909 0.2204 15 WINNIPEG/DEADWOOD 3161133 5.3726 3160580 6.0085 5 WINNIPEGOSIS 242709 0.4125 224027 0.4259 16 2004 TOTALS 58838047100.0000 52602148100.0000 2840 

## 2004 NORTH DAKOTA GAS PRODUCTION BY FORMATION

1

# 2005 North Dakota Gas Production by Formation

Formation MCF ProducedPercent MCF Sold PercentWells BAKKEN 2107192 3.6349 1714080 3.3811 201 BIRDBEAR 1440066 2.4841 1129613 2.2282 92 CAMBRO/ORDOVICIAN 6536 0.0113 0 0.0000 2 DAWSON BAY 94914 0.1637 94849 0.1871 3 DEVONIAN 1157544 1.9968 1146689 2.2619 57 DUPEROW 900723 1.5538 696917 1.3747 106 HEATH 31353 0.0541 16401 0.0324 27 LODGEPOLE 1163314 2.0067 1131085 2.2311 30 MADISON 24016588 41.4290 22321857 44.0311 1497 MIDALE/NESSON 166300 0.2869 112976 0.2229 20 MINNELUSA (NITROGEN) 86674 0.1495 86674 0.1710 1 MISSION CANYON 19777 0.0341 19777 0.0390 1 ORDOVICIAN 6385045 11.0143 5542718 10.9333 57 PIERRE 2156545 3.7201 2156545 4.2539 106 RATCLIFFE 36107 0.0623 21550 0.0425 4 RED RIVER 6980880 12.0421 4858143 9.5830 190 RED RIVER B 3657180 6.3087 2285764 4.5088 229 SANISH 192894 0.3327 191529 0.3778 12 SILURIAN 3227591 5.5676 3216552 6.3448 55 SPEARFISH/CHARLES 37362 0.0645 0 0.0000 89 SPEARFISH/MADISON 60 0.0001 0 0.0000 2 STONEWALL 1906148 3.2881 1814986 3.5802 51 TYLER 43108 0.0744 0 0.0000 31 TYLER A 1054 0.0018 0 0.0000 3 WINNIPEG 84 0.0001 84 0.0002 1 WINNIPEG/DEADWOOD 1944326 3.3540 1944326 3.8353 5 WINNIPEGOSIS 211094 0.3641 192576 0.3799 16 2005 Totals 57970459100.000050695691100.00002888

# 2006 North Dakota Gas Production by Formation

Formation MCF Produced Percent MCF Sold Percent Wells BAKKEN 3124126 4.9761 2445217 4.5507 271 BIRDBEAR 1629646 2.5957 1318234 2.4533 105 CAMBRO/ORDOVICIAN 7033 0.0112 0 0.0000 2 DAWSON BAY 86064 0.1371 86064 0.1602 3 DEVONIAN 1072774 1.7087 1065318 1.9826 56 DUPEROW 886692 1.4123 707794 1.3172 110 GUNTON 2685 0.0043 0 0.0000 1 HEATH 44165 0.0703 26169 0.0487 25 LODGEPOLE 881470 1.4040 857185 1.5953 30 MADISON 24518390 39.0525 22878169 42.5776 1516 MIDALE/NESSON 287380 0.4577 209482 0.3899 28 MINNELUSA (NITROGEN) 52396 0.0835 52396 0.0975 1 MISSION CANYON 9735 0.0155 9457 0.0176 1 ORDOVICIAN 6407097 10.2051 4609150 8.5779 54 PIERRE 3723407 5.9306 3723407 6.9295 163 RATCLIFFE 34742 0.0553 21626 0.0402 4 RED RIVER 7971894 12.6975 6138231 11.4236 196 RED RIVER B 4768551 7.5953 2409380 4.4840 266 SANISH 189078 0.3012 188302 0.3504 11 SILURIAN 3213677 5.1187 3198395 5.9524 53 SPEARFISH/CHARLES 44743 0.0713 0 0.0000 91 SPEARFISH/MADISON 61 0.0001 0 0.0000 3 STONEWALL 1806130 2.8768 1776310 3.3058 51 TYLER 38957 0.0621 0 0.0000 26 TYLER A 1218 0.0019 0 0.0000 4 WINNIPEG 169 0.0003 169 0.0003 1 WINNIPEG/DEADWOOD 1761846 2.8062 1811846 3.3719 5 WINNIPEGOSIS 219073 0.3489 200630 0.3734 17 2006 Totals 62783199 100.0000 53732931 100.00003094

# 2007North Dakota Gas Production by Formation

Formation MCF Produced Percent MCF Sold Percent Wells BAKKEN 6997376 9.8879 5055037 9.1777 415 BIRDBEAR 1642431 2.3209 1408611 2.5574 107 CAMBRO/ORDOVICIAN 5327 0.0075 0 0.0000 2 DAWSON BAY 74513 0.1053 74513 0.1353 3 DEVONIAN 1079844 1.5259 1056484 1.9181 60 DUPEROW 772505 1.0916 600669 1.0905 110 GUNTON 5084 0.0072 0 0.0000 1 HEATH 35005 0.0495 22025 0.0400 23 LODGEPOLE 701168 0.9908 680087 1.2347 29 MADISON 23000028 32.5010 21884529 39.7325 1522 MIDALE/NESSON 321610 0.4545 235380 0.4273 26 MINNELUSA (NITROGEN) 42399 0.0599 42399 0.0770 2 MISSION CANYON 9943 0.0141 9176 0.0167 1 ORDOVICIAN 6995546 9.8853 4252841 7.7213 53 PIERRE 3386460 4.7854 3386460 6.1483 160 RATCLIFFE 38837 0.0549 26008 0.0472 4 RED RIVER 8877046 12.5440 6910991 12.5473 206 RED RIVER B 9856581 13.9282 2699614 4.9013 276 RIVAL 41040 0.0580 25852 0.0469 4 SANISH 176020 0.2487 175522 0.3187 11 SILURIAN 3323242 4.6960 3303663 5.9980 53 SPEARFISH/CHARLES 45530 0.0643 927 0.0017 92 SPEARFISH/MADISON 61 0.0001 0 0.0000 2 STONEWALL 1601105 2.2625 1568955 2.8485 50 TYLER 26348 0.0372 0 0.0000 22 TYLER A 1342 0.0019 0 0.0000 5 WINNIPEG/DEADWOOD 1511464 2.1358 1509084 2.7398 5 WINNIPEGOSIS 199298 0.2816 150780 0.2737 19 2007 Totals 70767153 100.0000 55079607 100.0000 3263

# 2008 North Dakota Gas Production by Formation

Formation MCF Produced Percent MCF Sold Percent Wells BAKKEN 18074161 20.8490 10142731 17.8850 825 BIRDBEAR 1437050 1.6577 1201531 2.1187 109 CAMBRO/ORDOVICIAN 5244 0.0060 0 0.0000 2 DAWSON BAY 63635 0.0734 63635 0.1122 3 DEVONIAN 996980 1.1500 962069 1.6964 60 DUPEROW 745569 0.8600 556781 0.9818 106 GUNTON 2930 0.0034 0 0.0000 1 HEATH 40875 0.0472 26472 0.0467 21 LODGEPOLE 631633 0.7286 610708 1.0769 29 MADISON 21199792 24.4545 19519889 34.4200 1517 MIDALE/NESSON 538002 0.6206 430088 0.7584 34 MINNELUSA 40739 0.0470 40739 0.0718 1 MISSION CANYON 9052 0.0104 8275 0.0146 1 ORDOVICIAN 7070015 8.1554 3990375 7.0364 52 PIERRE 2695439 3.1093 2111723 3.7237 161 RATCLIFFE 34897 0.0403 21251 0.0375 4 RED RIVER 7040939 8.1219 4616665 8.1407 207 RED RIVER B 18240331 21.0407 4791346 8.4487 301 RIVAL 40332 0.0465 24062 0.0424 3 SANISH 205827 0.2374 200951 0.3543 13 SILURIAN 4111567 4.7428 4095079 7.2210 51 SPEARFISH/CHARLES 56650 0.0653 0 0.0000 90 SPEARFISH/MADISON 274 0.0003 0 0.0000 3 STONEWALL 1407988 1.6241 1365874 2.4085 49 TYLER 23424 0.0270 0 0.0000 20 TYLER A 1128 0.0013 0 0.0000 4 WINNIPEG/DEADWOOD 1754366 2.0237 1752884 3.0909 4 WINNIPEGOSIS 222007 0.2561 177683 0.3133 20 2008 Totals 86690846 100.0000 56710811 100.0000 3691

# 2009 North Dakota Gas Production by Formation

Formation MCF Produced Percent MCF Sold Percent Wells BAKKEN 35211008 38.0887 24712181 38.0139 1312 BAKKEN/THREE FORKS 282462 0.3055 202694 0.3118 3 BIRDBEAR 1298754 1.4049 1078282 1.6587 105 CAMBRO/ORDOVICIAN 4217 0.0046 0 0.0000 2 DAWSON BAY 41616 0.0450 41616 0.0640 3 DEVONIAN 781736 0.8456 751307 1.1557 58 DUPEROW 631076 0.6827 508228 0.7818 100 GUNTON 2945 0.0032 0 0.0000 1 HEATH 45532 0.0493 29099 0.0448 22 LODGEPOLE 553376 0.5986 526018 0.8092 29 MADISON 17529875 18.9625 16187780 24.9011 1477 MIDALE/NESSON 474883 0.5137 397042 0.6108 34 MINNELUSA 45013 0.0487 0 0.0000 1 MISSION CANYON 3962 0.0043 3962 0.0061 1 ORDOVICIAN 7317371 7.9154 3834546 5.8986 50 PIERRE 2193159 2.3724 2193159 3.3737 163 RATCLIFFE 22954 0.0248 10576 0.0163 4 RED RIVER 5148633 5.5694 3098252 4.7659 184 RED RIVER B 13516006 14.6206 4321686 6.6479 283 RIVAL 33073 0.0358 22691 0.0349 3 SANISH 507480 0.5490 452864 0.6966 15 SILURIAN 3738056 4.0436 3724331 5.7290 50 SPEARFISH/CHARLES 58274 0.0630 0 0.0000 84 SPEARFISH/MADISON 301 0.0003 0 0.0000 3 STONEWALL 1229337 1.3298 1187029 1.8260 46 TYLER 21595 0.0234 0 0.0000 21 TYLER A 831 0.0009 0 0.0000 3 WINNIPEG/DEADWOOD 1583949 1.7134 1581436 2.4327 4 WINNIPEGOSIS 167324 0.1810 143427 0.2206 20 2009 Totals 92444798 100.0000 65008206 100.0000 4081

# 2010 North Dakota Gas Production by Formation

Formation MCF Produced Percent MCF Sold Percent Wells BAKKEN 63531259 56.0528 44372445 55.9298 2066 BAKKEN/THREE FORKS 684724 0.6041 460641 0.5806 6 BIRDBEAR 1122565 0.9904 904054 1.1395 103 CAMBRO/ORDOVICIAN 4460 0.0039 0 0.0000 2 DAWSON BAY 43058 0.0380 43058 0.0543 3 DEVONIAN 717900 0.6334 702930 0.8860 56 DUPEROW 549668 0.4850 447635 0.5642 97 GUNTON 2629 0.0023 0 0.0000 1 HEATH 49783 0.0439 31106 0.0392 21 LODGEPOLE 572204 0.5048 553585 0.6978 30 MADISON 15731151 13.8794 14381108 18.1268 1506 MIDALE/NESSON 375270 0.3311 311647 0.3928 37 MINNELUSA 48375 0.0427 32371 0.0408 1 MISSION CANYON 8478 0.0075 8478 0.0107 1 ORDOVICIAN 4995732 4.4077 3436425 4.3315 52 PIERRE 1859684 1.6408 1859683 2.3441 164 RATCLIFFE 21878 0.0193 9700 0.0122 4 RED RIVER 5780157 5.0998 2417727 3.0475 184 RED RIVER B 10457219 9.2263 2879166 3.6291 271 RIVAL 26262 0.0232 22778 0.0287 3 SANISH 642240 0.5666 531559 0.6700 18 SILURIAN 3405054 3.0042 3379520 4.2598 47 SPEARFISH 2721 0.0024 0 0.0000 2 SPEARFISH/CHARLES 54780 0.0483 0 0.0000 83 SPEARFISH/MADISON 13229 0.0117 0 0.0000 6 STONEWALL 1074376 0.9479 1033190 1.3023 43 TYLER 19654 0.0173 457 0.0006 17 TYLER A 630 0.0006 0 0.0000 4 WINNIPEG/DEADWOOD 1410971 1.2449 1400194 1.7649 4 WINNIPEGOSIS 135739 0.1198 116562 0.1469 19 2010 Totals 113341850 100.0000 79336019 100.0000 4851

# 2011 North Dakota Gas Production by Formation

Formation MCF Produced Percent MCF Sold Percent Wells BAKKEN 113492607 72.7931 68090510 69.5973 3283 BAKKEN/THREE FORKS 1056889 0.6779 479850 0.4905 9 BIRDBEAR 923710 0.5925 725252 0.7413 100 CAMBRO/ORDOVICIAN 3920 0.0025 0 0.0000 2 DAWSON BAY 21395 0.0137 21302 0.0218 4 DEVONIAN 653362 0.4191 643345 0.6576 54 DUPEROW 470928 0.3020 378422 0.3868 95 GUNTON 454 0.0003 0 0.0000 1 HEATH 44688 0.0287 26412 0.0270 22 LODGEPOLE 542081 0.3477 514245 0.5256 30 MADISON 13581241 8.7109 12109480 12.3775 1425 MIDALE/NESSON 327140 0.2098 263191 0.2690 40 MINNELUSA 9409 0.0060 9409 0.0096 1 MISSION CANYON 3817 0.0024 3817 0.0039 1 ORDOVICIAN 3728917 2.3917 3214894 3.2860 50 PIERRE 1477345 0.9476 1477345 1.5100 163 RATCLIFFE 17021 0.0109 8102 0.0083 4 RED RIVER 5865895 3.7623 2069786 2.1156 176 RED RIVER B 6435593 4.1277 2165956 2.2139 268 SANISH 2180307 1.3984 688934 0.7042 40 SILURIAN 3017583 1.9354 2995392 3.0617 46 SPEARFISH 4482 0.0029 0 0.0000 6 SPEARFISH/CHARLES 36079 0.0231 0 0.0000 71 SPEARFISH/MADISON 4177 0.0027 0 0.0000 5 STONEWALL 881082 0.5651 853953 0.8729 42 THREE FORKS 9084 0.0058 0 0.0000 1 TYLER 8910 0.0057 572 0.0006 7 TYLER A 406 0.0003 0 0.0000 2 WINNIPEG/DEADWOOD 994994 0.6382 994994 1.0170 4 WINNIPEGOSIS 117716 0.0755 99829 0.1020 17 2011 Totals 155911232 100.0000 97834992 100.0000 5969FORMATION MCF PRODUCED PERCENT MCF SOLD PERCENT Wells

BAKKEN 218,311,660 84.31141,589,668 83.83 5,103 BAKKEN/THREE FORKS 1,383,114 0.53 892,019 0.53 12 BIRDBEAR 841,315 0.32 631,157 0.37 94 CAMBRO/ORDOVICIAN 3,519 0.00 0 0.00 2 DAWSON BAY 39,206 0.02 39,206 0.02 3 DEVONIAN 626,898 0.24 606,810 0.36 52 DUPEROW 380,861 0.15 261,294 0.15 91 GUNTON 2,281 0.00 0 0.00 1 HEATH 45,799 0.02 27,484 0.02 19 LODGEPOLE 470,104 0.18 424,065 0.25 30 MADISON 11,644,850 4.509,832,726 5.82 1,408 MIDALE/NESSON 340,954 0.13 268,073 0.16 42 MINNELUSA 56,294 0.02 56,294 0.03 1 MISSION CANYON 4,707 0.00 4,362 0.00 2 ORDOVICIAN 3,187,367 1.232,834,791 1.68 47 PIERRE 870,513 0.34 870,513 0.52 164 RATCLIFFE 8,719 0.00 6,968 0.00 2 RED RIVER 6,989,705 2.702,091,494 1.24 179 RED RIVER B 4,430,608 1.711,854,247 1.10 266 SANISH 3,880,467 1.501,633,497 0.97 49 SILURIAN 2,880,165 1.112,811,653 1.66 45 SPEARFISH 69,244 0.03 0 0.00 23 SPEARFISH/CHARLES 27,666 0.01 0 0.00 71 SPEARFISH/MADISON 14 0.00 0 0.00 2 STONEWALL 829,935 0.32 785,501 0.47 40 THREE FORKS 31,032 0.01 10,786 0.01 2 TYLER 171,567 0.07 385 0.00 8 TYLER A 606 0.00 0 0.00 3 WINNIPEG 22,145 0.01 0 0.00 1 WINNIPEG/DEADWOOD 1,267,457 0.491,267,457 0.75 3 WINNIPEGOSIS 115,145 0.04 96,463 0.06 17 2012 TOTALS 258,933,917 100.00168,896,913 100.00 7,782 

## 2012 NORTH DAKOTA GAS PRODUCTION BY FORMATIONFORMATION MCF PRODUCED PERCENT MCF SOLD PERCENT Wells BAKKEN 305,341,387 87.91206450767 88.72 7064 BAKKEN/THREE FORKS 2,291,151 0.66 1320905 0.57 26 BIRDBEAR 782,257 0.23 586035 0.25 94 CAMBRO/ORDOVICIAN 2,096 0.00 0 0.00 2 DAWSON BAY 18,596 0.01 15161 0.01 3 DEADWOOD 2,001 0.00 0 0.00 1 DEVONIAN 554,259 0.16 507775 0.22 53 DUPEROW 351,472 0.10 232020 0.10 95 GUNTON 23,098 0.01 0 0.00 2 HEATH 38,228 0.01 21629 0.01 16 LODGEPOLE 431,317 0.12 394006 0.17 29 MADISON 10,042,445 2.89 7908802 3.40 1355 MIDALE/NESSON 304,036 0.09 229885 0.10 42 MINNELUSA 10,244 0.00 10244 0.00 1 MISSION CANYON 4,584 0.00 4584 0.00 1 ORDOVICIAN 2,455,076 0.71 2216203 0.95 47 PIERRE 896,497 0.26 896497 0.39 146 RATCLIFFE 6,382 0.00 4583 0.00 2 RED RIVER 8,051,300 2.32 1859236 0.80 185 RED RIVER B 3,955,005 1.14 1840982 0.79 266 SANISH 5,109,402 1.47 2123797 0.91 74 SILURIAN 2,297,626 0.66 2210826 0.95 42 SPEARFISH 192,051 0.06 0 0.00 62 SPEARFISH/CHARLES 22,825 0.01 0 0.00 71 SPEARFISH/MADISON 13,352 0.00 0 0.00 1 STONEWALL 566,629 0.16 516607 0.22 38 THREE FORKS 16,955 0.00 15306 0.01 2 TYLER 187,376 0.05 348 0.00 10 TYLER A 782 0.00 0 0.00 3 WINNIPEG 2,125,660 0.61 2105156 0.90 1 WINNIPEG/DEADWOOD 1,159,893 0.33 1159705 0.50 3 WINNIPEGOSIS 90,030 0.03 73643 0.03 16 2013 TOTALS 347,344,012 100.00232,704,702 100.00 9,753 

## 2013 NORTH DAKOTA GAS PRODUCTION BY FORMATION

XVIIFORMATION MCF PRODUCED PERCENT MCF SOLD PERCENT Wells BAKKEN 415,082,244 89.69289,338,614 91.40 9139 BAKKEN/THREE FORKS 5,315,835 1.153,291,243 1.04 38 BIRDBEAR 676,115 0.15 378,027 0.12 95 CAMBRO/ORDOVICIAN 229 0.00 0 0.00 1 DAWSON BAY 4,599 0.00 2,657 0.00 3 DEVONIAN 398,353 0.09 284,997 0.09 54 DUPEROW 255,948 0.06 134,787 0.04 90 GUNTON 32,671 0.01 0 0.00 2 HEATH 37,012 0.01 19,952 0.01 11 LODGEPOLE 375,807 0.08 333,610 0.11 30 MADISON 9,157,071 1.986,488,477 2.05 1326 MIDALE/NESSON 236,562 0.05 178,175 0.06 42 ORDOVICIAN 1,445,818 0.311,305,922 0.41 47 PIERRE 989,699 0.21 989,699 0.31 158 RATCLIFFE 8,591 0.00 6,481 0.00 2 RED RIVER 8,044,076 1.741,800,641 0.57 177 RED RIVER B 3,454,828 0.751,729,001 0.55 267 SANISH 11,034,024 2.384,715,581 1.49 124 SILURIAN 1,988,410 0.431,724,727 0.54 41 SPEARFISH 215,874 0.05 0 0.00 96 SPEARFISH/CHARLES 25,100 0.01 0 0.00 72 SPEARFISH/MADISON 27,750 0.01 0 0.00 6 STONEWALL 360,553 0.08 299,719 0.09 39 THREE FORKS 10,907 0.00 7,903 0.00 2 TYLER 46,527 0.01 373 0.00 19 TYLER A 740 0.00 0 0.00 3 WINNIPEG 2,530,111 0.552,502,237 0.79 1 WINNIPEG/DEADWOOD 1,004,840 0.221,004,372 0.32 3 WINNIPEGOSIS 35,253 0.01 24,265 0.01 14 2014 TOTALS 462,795,547 100.00316,561,460 100.00 11,902 

## 2014 NORTH DAKOTA GAS PRODUCTION BY FORMATION

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