2/28/18 Wintrust Financial Corp. 10-K 12/31/17 156:40M 1/3/18 Stafford Ingrid S 4 Director² 1:4K Wintrust Financial Corp. Wintrust Financial Corp. 1/3/18 Hackett H Patrick Jr. 4 Director² 1:4K Wintrust Financial Corp. Wintrust Financial Corp. 1/3/18 Francis Zed S III 4 Director² 1:5K Wintrust Financial Corp. Wintrust Financial Corp. 1/3/18 Crowther Bruce K 4 Director² 1:4K Wintrust Financial Corp. Wintrust Financial Corp. 1/3/18 Perry Christopher J 4 Director² 1:5K Wintrust Financial Corp. Wintrust Financial Corp. 1/3/18 Glabe Marla F 4 Director² 1:4K Wintrust Financial Corp. Wintrust Financial Corp. 1/3/18 Talton Sheila 4 Director² 1:5K Wintrust Financial Corp. Wintrust Financial Corp. 1/3/18 Heitmann Scott K 4 Director² 1:4K Wintrust Financial Corp. Wintrust Financial Corp. 1/3/18 Crist Peter D 4 Director² 1:4K Wintrust Financial Corp. Wintrust Financial Corp.