| Relationships | Role | Relationship Start | Relationship End |
| Ubs Capital Investors Inc. | Parent | 12/31/1996 | 3/31/1997 |
| Ubs Capital Investors Inc. | Parent | 6/1/1995 | 12/30/1996 |
| Stratum Group L.P. | Subsidary | 6/1/1995 | 12/31/1996 |
| Relationships | Role | Relationship Start | Relationship End |
| Ubs Capital Investors Inc. | Parent | 12/31/1996 | 3/31/1997 |
| Ubs Capital Investors Inc. | Parent | 6/1/1995 | 12/30/1996 |
| Stratum Group L.P. | Subsidary | 6/1/1995 | 12/31/1996 |