Exhibit 21.1
SUBSIDIARIES OF UNIONBANCAL CORPORATION*
AS OF DECEMBER 31, 2005
Name of Subsidiary |
| State or Country in Which Organized |
Armstrong/Robitaille, Inc. (1) |
| California |
Bankers Commercial Corporation |
| California |
Business Capital Trust I |
| California |
California First Advisory Services |
| California |
California First Capital Management |
| California |
California First Corporation |
| California |
Cal First Properties, Inc. |
| California |
HighMark Capital Management, Inc. |
| California |
John Burnham & Company (1) |
| California |
MCB Statutory Trust I |
| California |
Mills-Ralston, Inc. |
| California |
SBS Realty Inc. |
| California |
Stanco Properties, Inc. |
| California |
Tanner Insurance Brokers, Inc. (1) |
| Minnesota |
The California-Sansome Corporation |
| California |
UBOC-1, L.P. |
| California |
UBOC Community Development Corporation |
| California |
UBOC Commercial, LLC |
| California |
Name of Subsidiary |
| State or Country in Which Organized |
UBOC Comstock I |
| California |
UBOC Foundation (Charitable Trust) |
| California |
UBOC Foundation (Non-Profit Corporation) |
| California |
UBOC Insurance, Inc. |
| California |
UNBC Leasing, Inc. |
| California |
UnionBanc Investment Services LLC |
| Delaware |
UnionBanCal Commercial Funding Corporation |
| California |
UnionBanCal Equities, Inc. |
| California |
UnionBanCal Leasing Corporation |
| California |
UnionBanCal Mortgage Corporation |
| California |
UnionBanCal Venture Corporation |
| California |
Union Bank of California, N.A. |
| United States |
Union Bank of California International |
| United States |
Union Bank of California Leasing, Inc. |
| Delaware |
Union Capital Advisors, Inc. |
| California |
*All of the subsidiaries in the above list are wholly-owned, either directly or indirectly, by UnionBanCal Corporation.
(1) Subsequent to December 31, 2005, Armstrong/Robitaille, Inc., John Burnham & Company, and Tanner Insurance Brokers, Inc. were consolidated under the name UnionBanc Insurance Services, Inc., a California corporation.