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We consent to the incorporation by reference in the registration statement (No. 333-230635) on Post-Effective Amendment No.1 on Form S-8 to Registration Statement on Form S-4 of TCF Financial Corporation of our report dated May 27, 2021, with respect to the statements of net assets available for plan benefits of the TCF 401K Plan as of December 31, 2020 and 2019, the related statements of changes in net assets available for plan benefits for the years then ended, and the related notes, and the supplemental schedules of Schedule H, line 4i - Schedule of Assets (Held at End of Year) as of December 31, 2020 and Schedule H, line 4j - Schedule of Reportable Transactions for the year ended December 31, 2020, which report appears in the December 31, 2020 annual report for Form 11-K of the TCF 401K Plan.