| Name of Company | State or Country of Incorporation | ||||||||||||||||
| 4D Directional Services, L.L.C. | United States, Delaware | ||||||||||||||||
| Abbot Group Limited | United Kingdom | ||||||||||||||||
| Abbot Holdings Limited | United Kingdom | ||||||||||||||||
| Abbot Holdings Norge AS | Norway | ||||||||||||||||
| Abbot Investments (North Africa) Limited | United Kingdom | ||||||||||||||||
| Abbot Verwaltungsgesellschaft mbH | Germany | ||||||||||||||||
| Bentec GmbH Drilling & Oilfield Systems | Germany | ||||||||||||||||
| Bentec Personalservice GmbH | Germany | ||||||||||||||||
| Bentec TOB | Ukraine | ||||||||||||||||
| Deutag Overseas (Curacao) NV | Curacao | ||||||||||||||||
| DrillScan SAS | France | ||||||||||||||||
| Global Tender Barges Malaysia Sdn Bhd | Malaysia | ||||||||||||||||
| Global Tender Barges Mexico S de R.L. de C.V. | Mexico | ||||||||||||||||
| H&P Technologies International, Inc. | United States, Texas | ||||||||||||||||
| Helmerich & Payne (Argentina) Drilling Co. | United States, Oklahoma | ||||||||||||||||
| Helmerich & Payne (Australia) Drilling Pty Ltd | Australia | ||||||||||||||||
| Helmerich & Payne (Boulder) Drilling Co. | United States, Oklahoma | ||||||||||||||||
| Helmerich & Payne (Colombia) Drilling Co. | United States, Oklahoma | ||||||||||||||||
| Helmerich & Payne Corporate Ventures, LLC | United States, Delaware | ||||||||||||||||
| Helmerich & Payne de Venezuela, C.A. | Venezuela | ||||||||||||||||
| Helmerich & Payne del Ecuador, Inc. | United States, Oklahoma | ||||||||||||||||
| Helmerich & Payne International Drilling Co. | United States, Delaware | ||||||||||||||||
| Helmerich & Payne International Holdings, LLC | United States, Delaware | ||||||||||||||||
| Helmerich & Payne Management, LLC | United States, Delaware | ||||||||||||||||
| Helmerich & Payne Offshore, LLC | United States, Delaware | ||||||||||||||||
| Helmerich & Payne Properties, Inc. | United States, Oklahoma | ||||||||||||||||
| Helmerich & Payne Rasco, Inc. | United States, Oklahoma | ||||
| Helmerich & Payne Technologies Canada, Inc. | Canada | ||||
| Helmerich & Payne Technologies Private Limited | India | ||||
| Helmerich & Payne Technologies UK Limited | Scotland | ||||
| Helmerich & Payne Technologies, LLC | United States, Delaware | ||||
| Helmerich & Payne, Inc. | United States, Delaware | ||||
| Helmerich and Payne Drilling Muscat LLC | Oman | ||||
| HP Falcon Investments, LLC | United States, Delaware | ||||
| HP Global Holdings Limited | Jersey | ||||
| HP Middle East Holdings Limited Company | Saudi Arabia | ||||
| HP Middle East Holdings, LLC | United States, Delaware | ||||
| HP Middle East Operations FZE | United Arab Emirates | ||||
| HPO Holdco, LLC | United States, Delaware | ||||
| ILI Corporation Limited | Cayman Islands | ||||
| International Air Drilling Company Limited | Gibraltar | ||||
| International Drilling Technology LLC | Oman | ||||
| International Energy Services Jersey Holding Co. Ltd | Jersey | ||||
| International Energy Services KSA Jersey Ltd | Jersey | ||||
| International Energy Services ROW Jersey Ltd | Jersey | ||||
| International Energy Services South America Co. Ltd | Jersey | ||||
| KCA Deutag (Cyprus) Limited | Cyprus | ||||
| KCA Deutag (Land Rig) Limited | United Kingdom | ||||
| KCA Deutag (Nigeria) Limited | Nigeria | ||||
| KCA Deutag Alpha Limited | United Kingdom | ||||
| KCA Deutag Caspian Limited | United Kingdom | ||||
| KCA Deutag Drilling Canada, Inc. | Canada | ||||
| KCA Deutag Drilling GmbH | Germany | ||||
| KCA Deutag Drilling Group Limited | United Kingdom | ||||
| KCA Deutag Drilling Limited | United Kingdom | ||||
| KCA Deutag Drilling Norge AS | Norway | ||||
| KCA Deutag Drilling Offshore Services AS | Norway | ||||
| KCA Deutag Drilling Saudi Arabia Ltd | Saudi Arabia | ||||
| KCA Deutag Energy Global LLC | Oman | ||||
| KCA Deutag Energy International LLC | Oman | ||||
| KCA Deutag Energy LLC | Oman | ||||
| KCA Deutag Energy National LLC | Oman | ||||
| KCA Deutag Energy Rigs SPC | Oman | ||||
| KCA Deutag Enterprises Limited | United Kingdom | ||||
| KCA Deutag Europe B.V. | Netherlands | ||||
| KCA Deutag GmbH | Germany | ||||
| KCA Deutag Gulf Drilling Limited Company | Saudi Arabia | ||||
| KCA Deutag Holdings Limited | Cyprus | ||||
| KCA Deutag Holdings Norge AS | Norway | ||||
| KCA Deutag International 2 Limited | United Kingdom | ||||
| KCA Deutag International 3 Limited | United Kingdom | ||||
| KCA Deutag International Limited | Jersey | ||||
| KCA Deutag Investments B.V. | Netherlands | ||||
| KCA Deutag Iran Kish Drilling Company | Iran | ||||
| KCA Deutag Investments Ltd | British Virgin Islands | ||||
| KCA Deutag Kazakhstan LLP | Kazakhstan | ||||
| KCA Deutag Limited | United Kingdom | ||||
| KCA Deutag LLC | United States, Texas | ||||
| KCA Deutag MODU Operations AS | Norway | ||||
| KCA Deutag Nederland B.V. | Netherlands | ||||
| KCA Deutag Offshore AS | Norway | ||||
| KCA Deutag Operations Services DMCC | Dubai | ||||
| KCA Deutag Overseas Limited | Cyprus | ||||
| KCA Deutag Pikco Limited | United Kingdom | ||||
| KCA Deutag PTE Limited | Singapore | ||||
| KCA Deutag Rider Cooperatief U.A. | Netherlands | ||||
| KCA Deutag Rig Design Services Limited | United Kingdom | ||||
| KCA Deutag Technical Support Limited | United Kingdom | ||||
| KCA Deutag Tender Barges (Offshore) Pte Ltd | Singapore | ||||
| KCA Deutag Tiefbohrgesellschaft mbH | Germany | ||||
| KCA Deutag UK Finance Limited | United Kingdom | ||||
| KCA European Holdings Limited | United Kingdom | ||||
| KCAD International DMCC | Dubai | ||||
| Kenera Energy Solutions Limited | United Kingdom | ||||
| Kenera Energy Solutions Middle East Limited | Saudi Arabia | ||||
| Magnetic Variation Services, LLC | United States, Colorado | ||||
| Motive Drilling Technologies, Inc. | United States, Delaware | ||||
| Oman KCA Deutag Drilling Company LLC | Oman | ||||
| Performance Drilling for Oil Services Ltd | Iraq | ||||
| Rig Design Services Holdings Limited | United Kingdom | ||||
| Saudi International Energy Services Company Ltd | Saudi Arabia | ||||
| Scissortail Assurance, LLC | United States, Oklahoma | ||||
| SET Drilling Company Limited | United Kingdom | ||||
| Space Center, Inc. | United States, Oklahoma | ||||
| Surcon Ltd | United States, Colorado | ||||
| Torquer Ltd. | United Kingdom | ||||
| Turan Drilling and Engineering Company LLC | Azerbaijan | ||||
| Utica Resources Co. | United States, Oklahoma | ||||
| Utica Square Shopping Center, Inc. | United States, Oklahoma | ||||
| White Eagle Assurance Company | United States, Vermont | ||||