| 1. | Texas Oil & Chemical Co. II, Inc. is a Texas corporation doing business under its corporate name. Trecora Resources owns 100% of the capital stock of Texas Oil & Chemical Co. II. Inc. | ||||
| 2. | Trecora Chemical, Inc. is a Texas corporation doing business under its corporate name. Texas Oil & Chemical Co. II, Inc. owns 100% of the capital stock of Trecora Chemical, Inc. | ||||
| 3. | South Hampton Resources, Inc. is a Texas corporation doing business under its corporate name. Texas Oil & Chemical Co. II, Inc. owns 100% of the capital stock of South Hampton Resources, Inc. | ||||
| 4. | Gulf State Pipe Line Company is a Texas corporation doing business under its corporate name. South Hampton Resources, Inc. owns 100% of the capital stock of Gulf State Pipe Line Company. | ||||