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S-3 424B5 EX-FILING FEES 333-271788 0001015328 WINTRUST FINANCIAL CORP The prospectus is not a final prospectus for the related offering. 0001015328 2025-05-09 2025-05-09 0001015328 1 2025-05-09 2025-05-09 0001015328 2 2025-05-09 2025-05-09 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-3

WINTRUST FINANCIAL CORP

Table 1: Newly Registered and Carry Forward Securities

Security Type

Security Class Title

Fee Calculation or Carry Forward Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

Carry Forward Form Type

Carry Forward File Number

Carry Forward Initial Effective Date

Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward

Newly Registered Securities
Fees to be Paid 1 Equity Depositary Shares, Each Representing a 1/1,000th Interest in a Share of 7.875% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series F 457(o) 17,000,000 $ 425,000,000.00 0.0001531 $ 65,067.50
Fees to be Paid 2 Equity 7.875% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series F 457(o) $ 0.00 0.0001531 $ 0.00
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities

Total Offering Amounts:

$ 425,000,000.00

$ 65,067.50

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 65,067.50

Offering Note

1

The filing fee is calculated in accordance with 457(o) and 457(r) of the Securities Act of 1933, as amended (the "Securities Act"). In accordance with Rules 456(b) and 457(r) under the Securities Act, the Registrant initially deferred payment of all of the registration fee for Registration Statement No. 333-271788 filed on May 9, 2023.

2

See offering note 1. No separate consideration will be payable in respect of shares of 7.875% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series F, which are issued in connection with this offering.