| CLB | Core Laboratories Inc. /DE/ | Dec 31 |
| XPRO | Expro Ltd | Dec 31 |
| GNOLF | GENOIL INC | Dec 31 |
| HAL | HALLIBURTON CO | Dec 31 |
| HOS | HORNBECK OFFSHORE SERVICES, INC. | Dec 31 |
| KLXE | KLX Energy Services Holdings, Inc. | Dec 31 |
| LBRT | Liberty Energy Inc. | Dec 31 |
| TUSK | MAMMOTH ENERGY SERVICES, INC. | Dec 31 |
| NESR | National Energy Services Reunited Corp. | Dec 31 |
| NGS | NATURAL GAS SERVICES GROUP INC | Dec 31 |
| NINE | Nine Energy Service, Inc. | Dec 31 |
| NOA | North American Construction Group Ltd. | Dec 31 |
| OII | OCEANEERING INTERNATIONAL INC | Dec 31 |
| ACDC | ProFrac Holding Corp. | Dec 31 |
| PUMP | ProPetro Holding Corp. | Dec 31 |
| RNGR | Ranger Energy Services, Inc. | Dec 31 |
| RCON | Recon Technology, Ltd | Jun 30 |
| RES | RPC INC | Dec 31 |
| WTTR | Select Water Solutions, Inc. | Dec 31 |
| SLB | SLB LIMITED/NV | Dec 31 |
| WBI | WaterBridge Infrastructure LLC | Dec 31 |
| ADVANCED MONITORING SYSTEMS INC | Sep 30 |
| Advantage Disposal Solutions, Inc. | |
| ALGAE FARM (USA), INC | Dec 31 |
| Allis Chalmers Energy Inc. | Dec 31 |
| AMBAR INC | Jun 30 |
| AMERICAN OIL & GAS CORP /NV/ | Dec 31 |
| AMERICAN PETRO-HUNTER INC | Dec 31 |
| AMETHYST FINANCIAL CO LTD | |
| Archer Ltd | Dec 31 |
| Aris Water Solutions, Inc. | Dec 31 |
| Arita Energy, Inc. | Dec 31 |
| ARMADA WATER ASSETS INC | Dec 31 |
| BASIC ENERGY SERVICES, INC. | Dec 31 |
| BETA WELL SERVICE INC | Dec 31 |
| BJ SERVICES CO LLC | Dec 31 |
| BJ Services, Inc. | Dec 31 |
| BLANCHARD KENNETH | Dec 31 |
| Cal Dive International, Inc. | Dec 31 |
| Capital City Energy Group, Inc. | Dec 31 |
| CEANIC CORP | Dec 31 |
| CEBA Midstream, LP | Dec 31 |
| CHESAPEAKE OILFIELD SERVICES INC | Dec 31 |
| C&J Old Co,Inc. | Dec 31 |
| Coil Tubing Technology Holdings, Inc. | Dec 31 |
| COMPUTALOG LTD | Dec 31 |
| COMSTOCK INDUSTRIES INC | Apr 30 |
| Core Laboratories LP | Dec 31 |
| CORE LABORATORIES N V | Dec 31 |
| CRUTCHER RESOURCES CORP | Dec 31 |
| CSI Compressco LP | Dec 31 |
| DAILEY ENERGY SERVICES INC | Dec 31 |
| DAILEY INTERNATIONAL INC | Dec 31 |
| DAILEY INTERNATIONAL SALES CORP | Dec 31 |
| DAWSON PRODUCTION SERVICES INC | Mar 31 |
| DRILEX INTERNATIONAL INC | Dec 31 |
| DUNE ENERGY INC | Dec 31 |
| Eco-Stim Energy Solutions, Inc. | Dec 31 |
| Emergent Energy Services LP | |
| ENERGY & TECHNOLOGY CORP. | Dec 31 |
| Enservco Corp | Dec 31 |
| ENVIRONMENTAL PROCEDURES INC | Dec 31 |
| ERHC Energy Inc | Sep 30 |
| EUPEC International Group Ltd | Jun 30 |
| EXPRO GROUP HOLDINGS N.V. | Dec 31 |
| FIBER GLASS SYSTEMS HOLDINGS LLC | Dec 31 |
| FIBER GLASS SYSTEMS LP | Dec 31 |
| Forbes Energy Services LLC | Dec 31 |
| Forbes Energy Services Ltd. | Dec 31 |
| FRACMASTER LTD | Dec 31 |
| Frac Tech Services, Inc. | Dec 10 |
| FRANK J LOUIS | Dec 31 |
| FTS International, Inc. | Dec 31 |
| GALLANDER FRED E JR | Dec 31 |
| Gibson Energy ULC | Dec 31 |
| GLOBAL INDUSTRIES LTD | Dec 31 |
| Glori Energy Inc. | Dec 31 |
| Green Field Energy Services, Inc. | Dec 31 |
| HALLIBURTON CAPITAL TRUST I | Dec 31 |
| HORIZON OFFSHORE INC | Dec 31 |
| HUNTER ENERGY INC | Dec 31 |
| JOVIAN ENERGY INC | Dec 31 |
| KEY ENERGY SERVICES INC | Dec 31 |
| King Merger Sub II LLC | Dec 31 |
| KRYSTAL INDUSTRIES INC | Dec 31 |
| LESUER KEN R | Dec 31 |
| LEXINGTON ENERGYSERVICES INC. | Nov 30 |
| LIFESMART NUTRITION TECHNOLOGIES INC | Dec 31 |
| Mammoth Energy Partners LP | Dec 31 |
| MARINE SHUTTLE OPERATIONS INC | Dec 31 |
| NABORS HOLDING CO | Dec 31 |
| NCS Multistage Holdings, Inc. | Dec 31 |
| NEXT FUEL, INC. | Sep 30 |
| NEXTIER OILFIELD SOLUTIONS INC. | Dec 31 |
| NOWSCO WELL SERVICE LTD ET AL | Dec 31 |
| Nuverra Environmental Solutions, Inc. | Dec 31 |
| PARALLEL PETROLEUM CORP /TX/ | Dec 31 |
| PARTICLE DRILLING TECHNOLOGIES INC/NV | Sep 30 |
| PETROMINERALS CORP | Dec 31 |
| PLATINUM ENERGY SOLUTIONS, INC. | Dec 31 |