EX-23.1 4 exhibit231-consentofindepe.htm EX-23.1 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the following Registration Statements:
1.Registration Statement (Form S-8 No. 333-203755) pertaining to the 2015 Omnibus Incentive Plan,
2.Registration Statement (Form S-8 No. 333-143397) pertaining to the 2007 Outside Director Incentive Plan,
3.Registration Statements (Form S-8 No. 333-191964, No. 333-127341 and No. 333-158903) pertaining to the 2005 Omnibus Incentive Plan,
4.Registration Statements (Form S-8 No. 333-157236, No. 33-37500 and No.333-108321) pertaining to The 401(k) Stock Purchase Plan for Employees of Cullen/Frost Bankers, Inc. and its Affiliates,
5.Registration Statement (Form S-8 No. 33-39478) pertaining to the 1991 Thrift Incentive Stock Purchase Plan for Employees of Cullen/Frost Bankers, Inc. and its Affiliates, and
6.Registration Statement (Form S-3 No. 333-244971) of Cullen/Frost Bankers, Inc.;
of our reports dated February 5, 2021, with respect to the consolidated financial statements of Cullen/Frost Bankers, Inc., and the effectiveness of internal control over financial reporting of Cullen/Frost Bankers, Inc., included in the Annual Report (Form 10-K) for the year ended December 31, 2020.
/s/ Ernst & Young LLP
San Antonio, Texas
February 5, 2021