9700 W. Higgins Road, Suite 800, Rosemont, Illinois 60018 News Release FOR IMMEDIATE RELEASE January 21, 2025 Exhibit 99.1 Wintrust Financial Corporation FOR MORE INFORMATION CONTACT: • Total loans increased by approximately $1.0 billion, or 8$1.1 billion, or 9% annualized. • Total assets increased by $1.1 billion, or 7$525.1 million in the fourth quarter of 2024 compared to $502.6 million in the third ...