EX-23.1 2 exhibit231consentofindepen.htm EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit

EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 33-39478) pertaining to the Thrift Incentive Stock Purchase Plan for Certain Employees of Cullen/Frost Bankers, Inc. of our report dated March 22, 2019, with respect to the financial statements of the Thrift Incentive Stock Purchase Plan for Certain Employees of Cullen/Frost Bankers, Inc. included in this Annual Report (Form 11-K) for the year ended December 31, 2018.

/s/ Ernst & Young LLP

San Antonio, Texas

March 22, 2019