Exhibit 23 Consent of Ernst & Young LLP

We consent to the incorporation by reference in the Registration Statements (Form S-8: No. 333-37530, 333-88021, 333-48548, 333-87508, 333-107263, 333-104871, 333-122344, 333-137951, 333-132068, 333-156419, 333-161604, 333-167161 and 333-183875 and Form S-3: Nos. 33-63967, 333-37714, 333-71707, 333-67074, 333-60656, 333-100846 and 333-178642) of Webster Financial Corporation and subsidiaries of our reports dated February 28, 2013, with respect to the consolidated financial statements of Webster Financial Corporation and subsidiaries, and the effectiveness of internal control over financial reporting of Webster Financial Corporation and subsidiaries, included in this Annual Report (Form 10-K) for the year ended December 31, 2012.