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| Name of Subsidiary | | Jurisdiction of Organization |
| Calumet Operating, LLC | | Delaware |
| Calumet Refining, LLC | | Delaware |
| Calumet Shreveport Refining, LLC | | Delaware |
| Calumet Finance Corp. | | Delaware |
| Calumet Karns City Refining, LLC | | Delaware |
| Calumet Dickinson Refining, LLC | | Delaware |
| Calumet Missouri, LLC | | Delaware |
| Calumet Montana Refining, LLC | | Delaware |
| Montana Renewables, Inc. | | Delaware |
| Montana Renewables Holdings LLC | | Delaware |
| Montana Renewables, LLC | | Delaware |
| Calumet Branded Products, LLC | | Delaware |
| Bel-Ray Company, LLC | | Delaware |
| Kurlin Company, LLC | | Delaware |
| Calumet Mexico, LLC | | Delaware |
| Calumet Specialty Oils de Mexico, S. de R.L. de C.V. | | Mexico |
| Calumet Princeton Refining, LLC | | Delaware |
| Calumet Cotton Valley Refining, LLC | | Delaware |
| Calumet Specialty Products Canada, ULC | | Canada |
| Calumet International, Inc. | | Delaware |
| Calumet Paralogics, LLC | | Delaware |