EX-23.1 3 a2202523zex-23_1.htm EX-23.1
QuickLinks -- Click here to rapidly navigate through this document

Exhibit 23.1


CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We consent to the incorporation by reference in Registration Statement Nos. 333-159741, 333-159741-01, 333-159741-02, 333-159741-03 on Form F-3 of our reports dated March 16, 2011, relating to the consolidated financial statements of UnionBanCal Corporation and subsidiaries and the effectiveness of the UnionBanCal Corporation's internal control over financial reporting, appearing in the Annual Report on Form 10-K of the UnionBanCal Corporation and subsidiaries for the year ended December 31, 2010.

/s/ DELOITTE & TOUCHE LLP

San Francisco, California
March 16, 2011




QuickLinks

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM