| | | | | | | | |
| Subsidiary | | Jurisdiction |
| Barrington Bank & Trust Company, N.A. | | United States |
| Beverly Bank & Trust Company, N.A. | | United States |
| Crystal Lake Bank & Trust Company, N.A. | | United States |
| Chicago Deferred Exchange Company, LLC | | Delaware |
| Elektra Holding Company, LLC | | Delaware |
| First Insurance Funding of Canada, Inc. | | Canada |
| FIFC Edge International Corporation | | United States |
| Great Lakes Advisors, LLC | | Delaware |
| Hinsdale Bank & Trust Company, N.A. | | United States |
| Hyde Park Facilities, Inc. | | Illinois |
| Lake Forest Bank & Trust Company, N.A. | | United States |
| Libertyville Bank & Trust Company, N.A. | | United States |
| Northbrook Bank & Trust Company, N.A. | | United States |
| Old Plank Trail Community Bank, N.A. | | United States |
| Schaumburg Bank & Trust Company, N.A. | | United States |
| St. Charles Bank & Trust Company, N.A. | | United States |
| State Bank of the Lakes, N.A. | | United States |
| The Chicago Trust Company, N.A. | | United States |
| Town Bank, N.A. | | United States |
| Tricom, Inc. of Milwaukee | | Wisconsin |
| Village Bank & Trust, N.A. | | United States |
| Wintrust Investments, L.L.C. | | Delaware |
| WHAMCO Holding Company | | Illinois |
| Wheaton Bank and Trust Company, N.A. | | United States |
| Wintrust Asset Finance Inc. | | Delaware |
| Wintrust Bank, N.A. | | United States |
| Wintrust NMTC Investment I, LLC | | Illinois |
| Wintrust NMTC Investment Fund-MBL, LLC | | Illinois |
| Wintrust NMTC Investment 2, LLC | | Illinois |
| Wintrust NMTC Investment Fund-WHA SoulCity, LLC | | Illinois |
| Community Financial Shares Statutory Trust II | | Delaware |
| First Northwest Capital Trust I | | Delaware |
| Northview Capital Trust I | | Delaware |
| Suburban Illinois Capital Trust II | | Delaware |
| Town Bankshares Capital Trust I | | Delaware |
| Wintrust Capital Trust III | | Delaware |
| Wintrust Statutory Trust IV | | Connecticut |
| Wintrust Statutory Trust V | | Connecticut |
| Wintrust Capital Trust VII | | Delaware |
| Wintrust Capital Trust VIII | | Delaware |
| Wintrust Capital Trust IX | | Delaware |