| Company | BAROID DRILLING FLUIDS, INC. |
|---|---|
| Address | 2001 ROSS AVE., P.O. BOX 718, DALLAS, 75201, TX |
| Title | Secretary |
| Company | WORTHINGTON PUMP INC. |
|---|---|
| Address | 2001 ROSS AVENUE, P. O. BOX 718, DALLAS, 75221, TX |
| Title | Secretary |
| Company | WORTHINGTON PUMP INC. |
|---|---|
| Address | 1718 FOURTEENTH PLACE, PLANO, 75074, TX |
| Title | Secretary |