| KESTREL ENERGY INC | Jun 30 |
| KEY PRODUCTION CO INC | Dec 31 |
| KHANTY MANSIYSK OIL CORP | Dec 31 |
| KIESEWETTER DOUGLAS H | Dec 31 |
| Knight Energy Corp. | Dec 31 |
| KODIAK ENERGY, INC. | Dec 31 |
| KUMAR ANIL | Sep 30 |
| LAFAYETTE ENERGY CORP. | Jun 30 |
| Laredo Petroleum, Inc. | Dec 31 |
| LATEX RESOURCES INC | Jul 31 |
| LEFAIVE RONALD A | Jun 30 |
| Legacy Reserves Inc. | Dec 31 |
| LEGACY RESERVES LP | Dec 31 |
| LESTER J MARK | Jun 30 |
| LEWIS BOBBY P | Dec 31 |
| LEXINGTON RESOURCES INC | Dec 31 |
| LGX Energy Corp. | Dec 31 |
| LILIS ENERGY, INC. | Dec 31 |
| LILLY PETER B | Dec 31 |
| LinnCo, LLC | Dec 31 |
| LIONS PETROLEUM, INC | Sep 30 |
| LITEWAVE CORP | Dec 31 |
| LOCH ENERGY INC | Dec 31 |
| LOCH HARRIS INC | Jun 30 |
| LONE PINE RESOURCES CANADA LTD. | Dec 31 |
| Lone Pine Resources Inc. | Dec 31 |
| Lonestar Resources US Inc. | Dec 31 |
| Longwood Gathering & Disposal Systems GP, Inc. | Dec 31 |
| Longwood Gathering & Disposal Systems, LP | Dec 31 |
| Longwood Midstream Delaware, LLC | Dec 31 |
| Longwood Midstream Holdings, LLC | Dec 31 |
| Longwood Midstream Southeast, LLC | Dec 31 |
| Longwood Midstream South Texas, LLC | Dec 31 |
| LOUIS DREYFUS NATURAL GAS CORP | Dec 31 |
| LOUISIANA LAND & EXPLORATION CO | Dec 31 |
| LRR Energy, L.P. | Dec 31 |
| Luca Technologies Inc | Dec 31 |
| LUKE ENERGY LTD | Dec 31 |
| LUKE ENERGY LTD/NEW | |
| LYCO ENERGY CORP | |
| Lynden Energy Corp. | Jun 30 |
| MAGNUM HUNTER RESOURCES CORP | Dec 31 |
| MAGNUM HUNTER RESOURCES INC | Dec 31 |
| MAINLAND RESOURCES INC. | Feb 28 |
| MALLON RESOURCES CORP | Dec 31 |
| MARATHON OIL CORP | Dec 31 |
| MARINER ENERGY INC | Dec 31 |
| MARINER ENERGY LLC | Dec 31 |
| MarkWest Energy Finance CORP | Dec 31 |
| MARKWEST ENERGY PARTNERS L P | Dec 31 |
| MARKWEST HYDROCARBON L.L.C. | Dec 31 |
| MATADOR PETROLEUM CORP | Dec 31 |
| Matador Production Co | Dec 31 |
| MATRIX ENERGY SERVICES CORP | Sep 30 |
| MATRIXX RESOURCE HOLDINGS, INC. | Jun 30 |
| MATTHEWS WILMOT L | Dec 31 |
| MAVERICK OIL & GAS, INC. | Dec 31 |
| MAXUS ENERGY CORP /DE/ | Dec 31 |
| MAYNARD OIL CO | Dec 31 |
| MCFARLAND ENERGY INC | Dec 31 |
| MCMORAN EXPLORATION CO /DE/ | Dec 31 |
| MCMORAN OIL & GAS CO /DE/ | Dec 31 |
| MDS ENERGY PUBLIC 2013-A LP | Dec 31 |
| MDS Energy Public 2013 Program | |
| MDS ENERGY PUBLIC 2014-A LP | Dec 31 |
| MEDALLION CALIFORNIA PROPERTIES CO | Dec 31 |
| MERCURY MONTANA INC | Dec 31 |
| MERIDIAN RESOURCE CORP | Dec 31 |
| Mesa Energy Inc | |
| MESA INC | Dec 31 |
| MESA OFFSHORE TRUST | Dec 31 |
| MEWBOURNE ENERGY 95-96 DRILLING PROGRAMS | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 00-A LP | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 01-A LP | |
| MEWBOURNE ENERGY PARTNERS 02-A LP | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 03-A LP | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 04-A LP | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 05-A LP | Dec 31 |
| Mewbourne Energy Partners 06-A, L.P. | Dec 31 |
| Mewbourne Energy Partners 07-A, L.P. | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 08-A LP | |
| MEWBOURNE ENERGY PARTNERS 09-A, L.P. | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 95-A LP | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 95-B LP | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 96-A LP | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 97-A LP | Dec 31 |
| MEWBOURNE ENERGY PARTNERS 98 A LP | Jun 30 |
| MEWBOURNE ENERGY PARTNERS 99-A LP | Dec 31 |
| MEXICAN PETROLEUM | Dec 31 |
| MICHAEL PETROLEUM CORP | Dec 31 |
| Mid-Con Energy Partners, LP | Dec 31 |
| MIDLAND RESOURCES INC /TX/ | Dec 31 |
| MIDWEST ENERGY COMPANIES INC | Dec 31 |
| MIE Holdings Corp | Dec 31 |
| MILAGRO OIL & GAS, INC. | Dec 31 |
| MILLER DANIEL R | Dec 31 |
| MILLER DAVID ARTHUR | Dec 31 |
| MILLER ENERGY RESOURCES, INC. | Apr 30 |
| MILLER EXPLORATION CO | Dec 31 |
| Mining Oil, Inc. | Dec 31 |