| BTE | BAYTEX ENERGY CORP. | |
| BORR | Borr Drilling Ltd | Dec 31 |
| GLND | Greenland Energy Co | Dec 31 |
| HP | Helmerich & Payne, Inc. | Sep 30 |
| HPK | HighPeak Energy, Inc. | Dec 31 |
| NBR | NABORS INDUSTRIES LTD | Dec 31 |
| NE | Noble Corp plc | Dec 31 |
| PTEN | PATTERSON UTI ENERGY INC | Dec 31 |
| PDS | PRECISION DRILLING Corp | Dec 31 |
| SDRL | SEADRILL Ltd | Dec 31 |
| RIG | Transocean Ltd. | Dec 31 |
| VAL | Valaris Ltd | Dec 31 |
| ABF CAPITAL CORP | Dec 31 |
| ALLEN ENERGY CO | Dec 31 |
| ALLIANCE PETROLEUM CORP | Dec 31 |
| American Environmental Energy, Inc. | Dec 31 |
| AMERICAN NOBLE GAS, INC. | Dec 31 |
| American Standard Energy Corp. | Dec 31 |
| AMES CO LLC | Dec 31 |
| APACHE PETROLEUM PARTNERSHIP 1980-I LTD | Dec 31 |
| ARCH PETROLEUM INC /NEW/ | Dec 31 |
| ARETHUSA OFF SHORE LIMITED | Sep 30 |
| ARKANOVA ENERGY CORP. | Sep 30 |
| ATLAS AMERICA PUBLIC #10 LTD. | Dec 31 |
| ATWOOD OCEANICS INC | Sep 30 |
| Baytex Energy USA Ltd. | Dec 31 |
| BEEHNER JIM | |
| BELDEN & BLAKE CORP /OH/ | Dec 31 |
| Black Rock Petroleum Co | Apr 30 |
| Blaze Energy Corp. | Dec 31 |
| BLUE RIDGE ENERGY FUND 1996/1997 | Dec 31 |
| BONRAY DRILLING CORP | Jun 30 |
| Bronco Drilling Company, Inc. | Dec 31 |
| CANTON OIL & GAS CO | Dec 31 |
| CHESAPEAKE ACQUISITION LLC | Dec 31 |
| CHESAPEAKE ACQUISITIONS LTD | Dec 31 |
| CHESAPEAKE CANADA CORP | Dec 31 |
| CHESAPEAKE ENERGY LOUISIANA LLC | Dec 31 |
| CHESAPEAKE EXPLORATION L P | Dec 31 |
| CHESAPEAKE GOTHIC CORP | Dec 31 |
| CHESAPEAKE LOUISIANA LP | Dec 31 |
| CHESAPEAKE MID CONTINENT CORP | Dec 31 |
| CHESAPEAKE OPERATING LLC | Dec 31 |
| CHILES OFFSHORE CORP | Dec 31 |
| C&K 1980 FUND B LTD | Dec 31 |
| C&K 1981 FUND A LTD | Dec 31 |
| C&K 1981 FUND B LTD | Dec 31 |
| CLIFFS DRILLING CO | Dec 31 |
| COASTAL 1986 DRILLING PROGRAM LTD | Dec 31 |
| COASTAL 1987 DRILLING PROGRAM LTD | Dec 31 |
| Colorado 2000B Limited Partnership | Dec 31 |
| Colorado 2000C Limited Partnership | Dec 31 |
| Colorado 2000D Limited Partnership | Dec 31 |
| Colorado 2001A Limited Partnership | Dec 31 |
| Colorado 2001B Limited Partnership | Dec 31 |
| Colorado 2001C Limited Partnership | Dec 31 |
| Colorado 2001D Limited Partnership | Dec 31 |
| COOPER RICHARD S | Dec 31 |
| CO & PA 1999D Limited Partnership | Dec 31 |
| CROWN ENERGY CORP | Dec 31 |
| Crown Exploration Fund I, L.P. | |
| CROWN JEWEL RESOURCES CORP | Dec 31 |
| DIAMOND OFFSHORE DRILLING, INC. | Dec 31 |
| DI ENERGY, INC. | Dec 31 |
| DOUBLE RIVER OIL & GAS CO | Dec 31 |
| DUAL HOLDING CO | Dec 31 |
| DYCO 1978 OIL & GAS PROGRAMS/OLD/ | Dec 31 |
| DYCO OIL & GAS PROGRAM 1978-2 LIMITED PARTNERSHIP | Dec 31 |
| DYCO OIL & GAS PROGRAM 1979-1 LIMITED PARTNERSHIP | Dec 31 |
| DYCO OIL & GAS PROGRAM 1979-2 LIMITED PARTNERSHIP | Dec 31 |
| DYCO OIL & GAS PROGRAM 1980-1 LIMITED PARTNERSHIP | Dec 31 |
| DYCO OIL & GAS PROGRAM 1980-2 LIMITED PARTNERSHIP | Dec 31 |
| DYCO OIL & GAS PROGRAM 1981-1 | Dec 31 |
| DYCO OIL & GAS PROGRAM 1981-2 | Dec 31 |
| DYCO OIL & GAS PROGRAM 1982-1 LIMITED PARTNERSHIP | Dec 31 |
| DYCO OIL & GAS PROGRAM 1982-2 LIMITED PARTNERSHIP | Dec 31 |
| DYCO OIL & GAS PROGRAM 1983-1 | Dec 31 |
| DYCO OIL & GAS PROGRAM 1983-2 | Dec 31 |
| DYCO OIL & GAS PROGRAM 1984-1 | Dec 31 |
| DYCO OIL & GAS PROGRAM 1984-2 | Dec 31 |
| DYCO OIL & GAS PROGRAM 1985-1 LIMITED PARTNERSHIP | Dec 31 |
| DYCO OIL & GAS PROGRAM 1985-2 LIMITED PARTNERSHIP | Dec 31 |
| DYCO OIL & GAS PROGRAM 1986-2 | Dec 31 |
| DYCO OIL & GAS PROGRAM 1986-X | Dec 31 |
| Eastern 1996D Limited Partnership | Dec 31 |
| Eastern 1997D Limited Partnership | Dec 31 |
| EMI INC | Jun 30 |
| EnergieInvesting.com Inc. | Dec 31 |
| ENERGY SEARCH INC | Dec 31 |
| ENEX 88 89 INCOME & RETIREMENT FUND SERIES 1 L P | Dec 31 |
| ENEX OIL & GAS INCOME PROGRAM II-2 LP | Dec 31 |
| ENEX OIL & GAS INCOME PROGRAM II 7 L P | Dec 31 |
| ENEX OIL & GAS INCOME PROGRAM II-8 L P | Dec 31 |
| ENEX OIL & GAS INCOME PROGRAM III SERIES 1 L P | Dec 31 |
| ENEX OIL & GAS INCOME PROGRAM III SERIES 2 L P | Dec 31 |
| ENEX OIL & GAS INCOME PROGRAM III SERIES 3 L P | Dec 31 |
| ENEX OIL & GAS INCOME PROGRAM III SERIES 4 L P | Dec 31 |
| ENEX OIL & GAS INCOME PROGRAM III SERIES 5 LP | Dec 31 |
| ENEX OIL & GAS INCOME PROGRAM III SERIES 7 LP | Dec 31 |
| ENEX OIL & GAS INCOME PROGRAM III SERIES 8 LP | Dec 31 |