| HOME STAKE ROYALTY CORP | Dec 31 |
| HOME STAKE ROYALTY CORP /OK/ | Dec 31 |
| HOUSTON EXPLORATION CO | Dec 31 |
| INTERNATIONAL PETROLEUM CORP | Sep 30 |
| ION GEOPHYSICAL CORP | Dec 31 |
| JET ENERGY CORP | Nov 30 |
| LA PLATA ASSOCIATES LLC | Dec 31 |
| LERNER WILLIAM | Dec 31 |
| MAXOIL INC | Sep 30 |
| MAXX PETROLEUM LTD | Dec 31 |
| MEDIA888 INC | Dec 31 |
| MESA CAPITAL CORP | Dec 31 |
| MICRON ENVIRO SYSTEMS INC | Dec 31 |
| MIDWEST OIL & GAS INC. | Jan 31 |
| MONUMENT RESOURCES INC | Sep 30 |
| MULTIPLEX SERVICES INC | Jun 30 |
| NAMESILO TECHNOLOGIES CORP. | Dec 31 |
| NATION ENERGY INC | Mar 31 |
| Nationwide Utilities Corp. | Dec 31 |
| NETGAIN DEVELOPMENT INC | Dec 31 |
| NEWSTAR RESOURCES INC | Dec 31 |
| NFiniTi inc. | Oct 31 |
| OILEX INC /NV/ | Dec 31 |
| OMNI ENERGY SERVICES CORP | Dec 31 |
| OSLO CHALLENGER PLC | Dec 31 |
| OSLO EXPLORER PLC | Dec 31 |
| OSLO SEISMIC SERVICES INC | Dec 31 |
| Pacific Asia China Energy Inc. | Feb 28 |
| PACIFIC RODERA VENTURES INC | |
| PALADIN INTERNATIONAL CORP | Dec 31 |
| PARAMOUNT RESOURCES LTD | Dec 31 |
| PARKCREST EXPLORATIONS LTD/CN | Dec 31 |
| PDC 2002 B LTD PARTNERSHIP | Dec 31 |
| PDC 2002 C LTD PARTNERSHIP | Dec 31 |
| PDC 2002 D LTD PARTNERSHIP | Dec 31 |
| PDC 2003 DRILLING PROGRAM | Dec 31 |
| PENDARIES PETROLEUM LTD | Dec 31 |
| PERFORMANCE DRILLING CO LLC | |
| Perkins Oil & Gas, Inc. | Jun 30 |
| PETROBANK ENERGY & RESOURCES LTD | |
| PETROFINA | Dec 31 |
| PETROMIN RESOURCES LTD | Sep 30 |
| PGS ASA | Dec 31 |
| PGS Geophysical AS | Dec 31 |
| PK III LP | Dec 31 |
| PK II LP | Dec 31 |
| PK I LP | Dec 31 |
| PK IV LP | Dec 31 |
| Power Resource Exploration Inc. | Dec 31 |
| PROVIDENT ENERGY LTD | Dec 31 |
| PURE GP LLC | Dec 31 |
| PURE RESOURCES I INC | Dec 31 |
| PURE RESOURCES INC | Dec 31 |
| PURE RESOURCES LP | Dec 31 |
| RAMCO ENERGY PLC | Dec 31 |
| RIDGEWOOD ENERGY A-1 FUND LLC | Dec 31 |
| RIDGEWOOD ENERGY K FUND LLC | Dec 31 |
| Ridgewood Energy L Fund LLC | Dec 31 |
| Ridgewood Energy M Fund LLC | Dec 31 |
| Ridgewood Energy O Fund LLC | Dec 31 |
| Ridgewood Energy P Fund LLC | Dec 31 |
| RIDGEWOOD ENERGY Q FUND LLC | Dec 31 |
| RIDGEWOOD ENERGY S FUND LLC | Dec 31 |
| RIDGEWOOD ENERGY T FUND LLC | Dec 31 |
| Ridgewood Energy U Fund LLC | Dec 31 |
| RIDGEWOOD ENERGY V FUND LLC | Dec 31 |
| Ridgewood Energy W Fund LLC | Dec 31 |
| RIDGEWOOD ENERGY X FUND, LLC | Dec 31 |
| RIDGEWOOD ENERGY Y FUND LLC | Dec 31 |
| SAExploration Holdings, Inc. | Dec 31 |
| Santa Fe Petroleum, Inc. | Dec 31 |
| SARATOGA RESOURCES INC /TX | Dec 31 |
| SEITEL INC | Dec 31 |
| SEITEL SOLUTIONS, LTD. | Dec 31 |
| SENTRY PETROLEUM LTD. | Feb 28 |
| SEVEN SEAS PETROLEUM INC | Dec 31 |
| SHANNON INTERNATIONAL INC | Jun 30 |
| SHARON ENERGY LTD | Mar 31 |
| SHARPE RESOURCES CORP | Dec 31 |
| SHERIDAN ENERGY INC | Dec 31 |
| SIERRA INTERNATIONAL GROUP INC | Dec 31 |
| SI HOLDINGS, G.P. | Dec 31 |
| SIMON ROBERT J II | Dec 31 |
| SKY PETROLEUM, INC. | Dec 31 |
| SOVEREIGN CHIEF VENTURES LTD | Dec 31 |
| SPF ENERGY INC | Dec 31 |
| STRATHCLAIR VENTURES LTD | Dec 31 |
| SUPERIOR OIL & GAS CO | Dec 31 |
| TAG OIL LTD | Mar 31 |
| TALISMAN ENERGY SWEDEN AB | Dec 31 |
| TATHAM BROTHERS SECURITIES LLC | Jun 30 |
| TATHAM OFFSHORE INC | Jun 30 |
| TERAX ENERGY, INC. | Jun 30 |
| TERRA ENERGY & RESOURCE TECHNOLOGIES, INC. | Dec 31 |
| TERYL RESOURCES CORP | May 31 |
| TEXAS BORDER GAS CO | Dec 31 |
| TEXAS NEVADA OIL & GAS CO | Dec 31 |
| TIDELANDS OIL & GAS CORP | Dec 31 |
| TIDELANDS OIL & GAS CORP/WA | Dec 31 |
| TRANSATLANTIC PETROLEUM LTD. | Dec 31 |