| O Operating Co |
15938 |
| BC Operating, Inc. |
160825 |
| Rice Oil Co |
19189 |
| Ray Westall Operating, Inc. |
119305 |
| Armstrong Energy Corp |
1092 |
| Cog Operating LLC |
229137 |
| Gas, LLC |
275015 |
| Gas Company |
138033 |
| Texland Petroleum-Hobbs, LLC |
113315 |
| Mark L Shidler Inc |
14096 |
| Jack J. Grynberg |
11492 |
| Eastland Oil Co |
22767 |
| JPH Oil Producers Dba Jimmy P Hodge |
12254 |
| John E Schalk |
11996 |
| Denton |
23183 |
| Kaiser-Francis Oil Co |
12361 |
| Bridwell Oil Co |
2832 |
| J Service Inc |
11095 |
| Gas LTD Co |
123453 |
| Sabre Op Inc |
26460 |
| Nnogc Exploration And Production, LLC |
292875 |
| Rock Creek Resources, LLC |
293346 |
| M Energy, LLC |
294619 |
| Upland Production Company |
305286 |
| Burk Royalty Co., LTD. |
3053 |
| Gas Corp |
14634 |
| Assoc Inc |
12627 |
| Jack D Knox |
11485 |
| Gas, LLC |
194266 |
| Knox Industries Inc |
12791 |
| Spur Energy Partners LLC |
328947 |
| Sabinal Energy Operating, LLC |
328992 |
| PNL Operating, LLC |
265076 |
| Standard Silver Corp |
35050 |
| Robertson Resources, Inc |
195670 |
| Wishbone Texas Operating Company LLC |
370256 |
| Foundation Energy Management, LLC |
370740 |
| Blackbeard Operating, LLC |
370767 |
| Boge, Inc. |
292731 |
| JR Cone Operating, LLC |
371029 |
| Rover Operating, LLC |
371484 |
| La Plata Gathering System Inc |
12987 |
| Lanexco Inc |
13046 |
| Purvis Operating Co |
131559 |
| Lawrence W Ritter |
13156 |
| Lee M Crane |
13215 |
| San Marco Petroleum Inc. |
19575 |
| Seely Oil Co |
20497 |
| Reliable Production LLC |
371618 |
| Juniper Resources Exploration Company, LLC |
371654 |
| Enerdyne, LLC |
185239 |
| Petrolia Energy Corporation |
371666 |
| Beach Exploration Inc |
1903 |
| Endeavor Energy Resources, LP |
190595 |
| Gas Inc |
21013 |
| Jay Management Company, LLC |
247692 |
| Steward Energy II, LLC |
371682 |
| HPPC, Inc. |
371698 |
| Advanced Wireless Communications, L.L.C. |
371710 |
| Marathon Oil Permian LLC |
372098 |
| Chisholm Energy Operating, LLC |
372137 |
| Centennial Resource Production, LLC |
372165 |
| Hilcorp Energy Company |
372171 |
| Longfellow Energy, LP |
372210 |
| Ameredev Operating, LLC |
372224 |
| Tamarack Petroleum Co Inc |
22131 |
| Caza Operating, LLC |
249099 |
| SPC Resources, LLC |
372262 |
| Gas |
372279 |
| Enduring Resources, LLC |
372286 |
| Riley Permian Operating Company, LLC |
372290 |
| Mack Energy Corp |
13837 |
| Lynx Petroleum Consultants Inc |
13645 |
| Operation |
13673 |
| M R Schalk |
13796 |
| Advance Energy Partners Hat Mesa, LLC |
372417 |
| U.S. Energy Development Corporation |
372759 |
| Special Energy Corp |
138008 |
| Manana Gas Inc |
13931 |
| Addington, LLC |
289660 |
| Gas, Inc. |
372823 |
| Impetro Operating LLC |
373281 |
| Richardson Operating Co |
19219 |
| Oxy USA WTP Limited Partnership |
192463 |
| John E. McCool |
250539 |
| Gas, L.L.C. |
373671 |
| GVC Ventures |
192951 |
| Gas |
193484 |
| Robert H Forrest JR Oil LLC |
19381 |
| Slayton Resources Inc |
196015 |
| Momentum Operating Co Inc |
196069 |
| Snow Operating Co Inc |
139731 |
| Onshore Royalties, LLC |
311845 |
| Maralex Resources Inc |
13998 |
| Chevron U S A Inc |
4323 |
| Chi Operating Inc |
4378 |
| Cattle LLC |
141402 |
| Johnson Op Co |
19958 |
| Sahara Operating Co |
20077 |
| San Juan Resources, Inc. |
20208 |
| Gas Corp |
4537 |
| El Pamco Inc |
6834 |
| Gas Inc |
14462 |
| Meadco Properties LTD |
14479 |
| G DRLG Co Inc |
141852 |
| Winston Inc |
14187 |
| Shinnery Oil Company, Inc |
20713 |
| Americo Energy Resources LLC |
228051 |
| Roger Slayton Dba Escudilla Oil Company |
228270 |
| K P Kauffman Company Inc |
228296 |
| Sheridan Production Company, LLC |
252496 |
| Mewbourne Oil Co |
14744 |
| Gas Co |
14771 |
| Keystone Energy LLC |
148219 |
| Vernon E. Faulconer, Inc. |
148394 |
| Midland Operating Inc. |
148981 |
| Texon Oil Company, Inc. |
149021 |
| Huntington Energy, LLC |
208706 |
| Benson-Montin-Greer Drilling Corp |
2096 |
| DKD,LLC |
210091 |
| Reliance Energy, Inc. |
149441 |
| Minel Inc |
14948 |
| Asher Enterprises LTD. Co. |
149538 |
| Robert L Bayless Producer LLC |
150182 |
| Driftwood Oil, LLC |
213843 |
| Cimarex Energy Co. |
215099 |
| Stovall,Inc. |
2175 |
| Aspen Operating Company LLC |
217598 |
| Conocophillips Company |
217817 |
| DJR Operating, LLC |
371838 |
| Cog Production, LLC |
217955 |
| Thomas And Ruby Parkinson Trust |
219023 |
| McGowan Working Partners, Inc |
220397 |
| D Operating Inc. |
25670 |
| McElvain Energy, Inc |
22044 |
| Parallel Petroleum LLC |
230387 |
| Nordstrand Engineering Inc |
230757 |
| CML Exploration, LLC |
256512 |
| Gas Corp. |
151228 |
| Pride Energy Company |
151323 |
| Ranch LTD |
151416 |
| Roca Operating, Inc. |
152374 |
| Eor Operating Company |
257420 |
| Grand Banks Energy Co |
155471 |
| Morgan Operating, Inc. |
224367 |
| Dyad Petroleum Company |
227257 |
| Horseshoe Operating Inc. |
225243 |
| Finney Oil Company |
225437 |
| Poco Resources LLC |
373121 |
| Matador Production Company |
228937 |
| Three Forks Resources, LLC |
258660 |
| David R. Hinson |
260206 |
| Wespac Energy, LLC |
260245 |
| Bta Oil Producers, LLC |
260297 |
| J B Martinez |
157257 |
| Nuroc Energy Incorporated |
157624 |
| Occidental Permian LTD |
157984 |
| SG Interests I LTD |
20572 |
| Shackelford Oil Co |
20595 |
| Epic Energy, L.L.C. |
372834 |
| M E W Enterprise |
160190 |
| Hunt Cimarron Limited Partnership |
164726 |
| Manzano LLC |
231429 |
| Mas Operating Co. |
267077 |
| Sundown Energy LP |
232611 |
| Watts Inc |
24558 |
| Omimex Petroleum Inc |
16513 |
| Gas Exploration, Inc. |
239769 |
| V-F Petroleum Inc |
24010 |
| Osborn Heirs Co |
16616 |
| Tandem Energy Corporation |
236183 |
| Freedom Energy LLC |
236312 |
| Vintage Drilling LLC |
24164 |
| Vision Energy Inc |
24188 |
| W A Moncrief JR |
24225 |
| W B Hamilton Estate |
24231 |
| Lime Rock Resources II-A, L.P. |
277558 |
| The Colborn Company, Inc. |
240713 |
| Golden Oil Holding Corporation |
240787 |
| Legacy Reserves Operating, LP |
240974 |
| Chevron Midcontinent, L.P. |
241333 |
| BK Exploration Corp |
2433 |
| P-R-O Management Inc |
16788 |
| Judah Oil LLC |
245872 |
| Harlow Enterprises LLC |
246205 |
| Hpoc, LLC |
246238 |
| WPX Energy Permian, LLC |
246289 |
| Southwest Royalties Inc |
21355 |
| Sunlight Exploration, Inc. |
220613 |
| Gas Inc |
17985 |
| Pecos River Op Inc |
17081 |
| Jicarilla Energy Co |
11859 |
| Warren American Oil Co |
118600 |
| Ridgeway Arizona Oil Corp. |
164557 |
| Oxy USA Inc |
16696 |
| Penroc Oil Corp |
17213 |
| Lively Exploration Co |
13377 |
| Everquest Energy Corporation |
212929 |
| H L Brown Operating, LLC |
213179 |
| Crownquest Operating, LLC |
213190 |
| Pierce Production Company, LLC |
17733 |
| Pitts Energy Co |
17786 |
| Wagner Oil Co. |
177888 |
| Plains Radio Pet Co |
17820 |
| Finley Resources Inc |
180387 |
| L E Jones Operating Inc |
180930 |
| Gas Co |
19940 |
| Schalk Development Co |
20389 |
| Sagebrush Oil Inc. |
25836 |
| Gas Co. |
212092 |
| Denton |
23172 |
| Dominion Production Company, LLC |
291567 |
| Minerals LTD |
24942 |
| Herman L. Loeb LLC |
264953 |
| George A Chase JR Dba G And C Service |
265378 |
| Whiting Oil And Gas Corporation |
25078 |
| Gas LLC |
253499 |
| Yarbrough Oil LP |
25504 |
| Ernmar Investments, Inc. |
269184 |
| 801 LLC |
269267 |
| Kash Operating LLC |
309291 |
| Trek Operating, LLC |
255281 |
| Ram Energy LLC |
309777 |
| Yates Energy Corp |
25542 |
| Zachary Oil Operating Co |
25593 |
| Regeneration Energy, Corporation |
280240 |
| Bridgecreek Resources (Colorado), LLC |
310262 |
| J R Oil, LTD. Co. |
256073 |
| CFM Oil, LLC |
280554 |
| Jalapeno Corporation |
26307 |
| Breitburn Operating LP |
370080 |
| Steven D Ruppert |
295954 |
| Lan Ma'S Oil And Gas LLC |
370260 |
| Southland Royalty Company LLC |
370292 |
| Cross Timbers Energy, LLC |
298299 |
| Gas, LLC |
370364 |
| McI Operating Of NM, LLC |
299027 |
| Arp Production Company, LLC |
300097 |
| Barry D Lee Dba Barry Lee Investments |
273546 |
| Blackwell Operating LLC |
371293 |
| Robertson-Bryce Management, LLC |
371452 |
| Santo Operating LLC |
371502 |
| Percussion Petroleum Operating, LLC |
371755 |
| Abo Empire, LLC |
371762 |
| Gulf Exploration, L.L.C. |
372439 |
| Permex Petroleum Company, LLC |
372536 |
| Continental Resources, Inc. |
372548 |
| DGP Energy, LLC |
372583 |
| Lanexco Inc. Dba Lanexco New Mexico |
372728 |
| Summit Resources Management LLC |
37277 |
| Ascent Energy, LLC. |
325830 |
| Kem Ventures, LP |
328213 |
| Sunset 2018, LLC |
328230 |
| XTO Permian Operating LLC. |
373075 |
| Maverick Operating, LLC |
287160 |
| Rhombus Operating Co LTD |
19111 |
| 3 Knights Operating LLC |
373644 |
| McCasland Management Inc |
5727 |
| Devon Energy Production Company, LP |
6137 |
| Bam Permian Operating, LLC |
328565 |
| Jilpetco, Inc. |
328580 |
| Ring Energy, Inc |
328599 |
| Jack Huff |
36472 |
| Amtex Energy Inc |
785 |
| Apache Corporation |
873 |
| Gas Operating, Inc |
372000 |
| Tap Rock Operating, LLC |
372043 |
| Seguro Oil And Gas, LLC |
372066 |
| Cobalt Operating, LLC |
286255 |
| Gas Of N M Inc |
3044 |
| Kimbell Oil Co Of Texas |
12683 |
| Associates Inc |
13343 |
| Sandlott Energy (Jackie Brewer Dba) |
154329 |
| Prime Operating Co |
18099 |
| Primero Operating Inc |
18100 |
| Gas Inc |
181109 |
| Scythian LTD |
181156 |
| Samuel Dale Hughes Dba Hughes Drilling Co. |
181802 |
| Acoma Oil Corp |
184 |
| Bobby McKay Dba 5 A Oil Company |
215322 |
| Stearns |
21566 |
| Kinney Incorporated |
216330 |
| Strata Production Co |
21712 |
| D.W.R. Oil Properties, Inc. |
328643 |
| Saxet Oil Corporation |
226927 |
| Mulloy Operating, Inc. |
225942 |
| Gerald F Roach |
8896 |
| Hudson Oil Company Of Texas |
25111 |
| Christmas, LLC |
258692 |
| Mammoth Exploration, LLC |
372233 |
| P, LLC |
372241 |
| Grizzly Operating, LLC |
258350 |
| Gas, LLC |
258589 |
| Providence Energy Servs Inc.-Kelton Op Corp |
12444 |
| Mna Enterprises LTD Co |
124768 |
| Company |
12576 |
| Stevenson Oil Company, Inc. |
258867 |
| RG Exploration LLC |
372473 |
| Rim Operating, Inc. |
372497 |
| Max D Webb |
14273 |
| Enervest Operating L.L.C. |
143199 |
| McDonnold Operating Inc |
14372 |
| B2J, L.L.C. |
270085 |
| Tarco Energy, LC |
279579 |
| Moss Petroleum Co |
15305 |
| Murchison Oil And Gas, LLC |
15363 |
| Vision Energy Group LLC |
280962 |
| Mesquite SWD, Inc |
161968 |
| Rust Oil Corp |
162106 |
| Gas, Inc |
162499 |
| Cimarex Energy Co. Of Colorado |
162683 |
| Michael Pierce |
162738 |
| Energen Resources Corporation |
162928 |
| Synergy Operating LLC |
163458 |
| JKM Energy, LLC |
163645 |
| Southbound Gas Company |
373483 |
| Mustang Resources LLC |
373495 |
| E G L Resources Inc |
173413 |
| Lynx Operating Co., Inc. |
175071 |
| Stevens Inc |
18917 |
| Redwolf Production Inc |
18973 |
| Ray A Pierce |
18833 |
| Phoenix Hydrocarbons Operating Corp |
188483 |
| Tacitus, LLC |
372957 |
| Ridge Runner Resources Operating, LLC |
373013 |
| Anderson Oil LTD.,LLP |
2969 |
| M Oil, LLC |
297512 |
| Cambrian Management LTD |
198688 |
| Energex, LLC |
296260 |
| Gas Inc |
4838 |
| Chisos, LTD |
215732 |
| Endura Energy LLC |
215879 |
| Trilogy Operating Inc |
21602 |
| Energyquest II, LLC |
305911 |
| Gas Co |
4076 |
| Tamaroa Operating, LLC |
328666 |
| Flint Oak Energy, LLC |
328733 |
| Gas Inc |
5898 |
| Wapiti Operating, LLC |
328741 |
| Dinero Operating Co |
6224 |
| Dugan Production Corp |
6515 |
| Dwight A Tipton |
6550 |
| Fair Oil LTD |
65531 |
| C O Fulton |
3420 |
| Turner Production Co |
23544 |
| Great Western Drilling Co |
9338 |
| H K Keesee And C J Keesee Trust |
9667 |
| Rhonda K |
9759 |
| Bar V Barb LLC |
371067 |
| WTG Exploration Inc |
25454 |
| Four Starr Production, LLC |
371347 |
| Forty Acres Energy, LLC |
371416 |
| Colgate Operating, LLC |
371449 |
| West Largo Corp |
37197 |
| Fulton Oil LLC |
371978 |
| Ranger 40 Petroleum, LLC |
261166 |
| Faith Trading, LLC |
262196 |
| FBS Operating Company, LLC |
262214 |
| Roswell Operating, LLC |
270575 |
| Logos Operating, LLC |
289408 |
| Petroleum Exploration Company LTD., Limited P |
374138 |
| D J Simmons Inc |
5578 |
| D M S Oil Co |
5620 |
| Dakota Resources Inc (I) |
5691 |
| Etl Hydrocarbons Inc |
7590 |
| BP America Production Company |
778 |
| Burnett Oil Co Inc |
3080 |
| Catena Resources Operating, LLC |
328449 |
| Texas Western Reserves Oil Company, Inc |
328470 |
| Orbrie Luman |
36712 |
| Caprock Exploration Inc |
3675 |
| Roddy Production Co Inc |
36845 |
| Gas Inc |
36864 |
| Buffco Production, Inc. |
370841 |
| Gas Northern Delaware, LLC |
372920 |
| Joint Resources Company |
372938 |
| Franklin Mountain Energy 2 LLC |
373908 |
| Franklin Mountain Energy LLC |
373910 |
| Saguaro Petroleum, LLC |
373933 |
| Craft Operating NM LLC |
373962 |
| Inv Inc |
5337 |
| XTO Energy, Inc |
5380 |
| EOG Resources Inc |
7377 |
| Four Corners Exploration Co |
8090 |
| Fulton Enterprises |
8313 |
| GP II Energy Inc |
8359 |
| S Oil Company, LLC |
257988 |
| Harvard Petroleum Company, LLC |
10155 |
| High Plains Petroleum Corp |
10459 |
| Gas Inc |
10605 |
| Gas LLC |
10715 |
| Hanson Operating Co Inc |
9974 |