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We consent to the incorporation by reference in the registration statements (No. 333-234013, No. 333-226342, No. 333-218928, No. 333-195996, No. 333-176163, No. 333-163873, No. 333-142119, and No. 333-140865) on Form S-8 and in the registration statements (No. 333-234019, No. 333-213710, No. 333-184753, and No. 333-172201) on Form S-3 of People’s United Financial, Inc. of our reports dated March 1, 2022, with respect to the consolidated financial statements of People’s United Financial, Inc. and subsidiaries and the effectiveness of internal control over financial reporting.