Item 2.02. Results of Operations and Financial Condition.
The information in this Current Report is being furnished and shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.
On April 29, 2009, Wintrust Financial Corporation (the "Company") announced earnings for the first quarter of 2009. A copy of the press release relating to the Company's earnings results is attached hereto as Exhibit 99.1. Certain supplemental information relating to non-GAAP financial measures reported in the attached press release is included on page 11 of Exhibit 99.1. Item 9.01. Financial Statements and Exhibits
(d) Exhibits

Exhibit

99.1 First Quarter 2009 Earnings Release dated April 29, 2009.

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Signature Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

WINTRUST FINANCIAL CORPORATION (Registrant)

By: /s/ David L. Stoehr David L. Stoehr
Executive Vice President and Chief Financial Officer

Date: April 30, 2009

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