Wintrust Financial Corporation (Wintrust) is a financial services holding company based in Rosemont, Illinois, with assets above $18 billion. The Company engages in the business of providing traditional community banking services, wealth management services, commercial insurance premium financing, mortgage origination, short-term accounts receivable financing, and certain administrative services, such as data processing of payrolls, billing and treasury management services. The Company provides community-oriented, personal and commercial banking services to customers located in the greater Chicago, Illinois and southern Wisconsin metropolitan areas (see map) through its 15 wholly owned banking subsidiaries.