| Relationships | Role | Relationship Start | Relationship End |
| Mega Financial Holding Co., Ltd. | Parent | 12/31/2002 | |
| Mega Financial Holding Co., Ltd. | Parent | 11/12/2002 | 12/30/2002 |
| Cathay United Bank, Ltd. | Subsidary | 11/23/1998 | 12/17/2002 |
| The Chinese American Bank | Subsidary | 9/26/1997 | 12/31/1998 |
| Cathay United Bank, Ltd. | Subsidary | 12/31/1997 | 11/22/1998 |
| The Chinese American Bank | Subsidary | 12/31/1988 | 9/25/1997 |
| The Chinese American Bank | Subsidary | 12/28/1984 | 12/30/1988 |
| The Chinese American Bank | Subsidary | 12/31/1970 | 2/28/1972 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Chiao Tung Bank Co., Ltd. | Seller | Discontinued | 8/21/2006 |