IBERIABANK CORPORATION (a Louisiana corporation) 2,000,000 Depositary Shares Each Representing a 1/400th Interest in a Share Of 6.60% Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series C UNDERWRITING AGREEMENTUnderwriting Agreement • May 5th, 2016 • Iberiabank Corp • State commercial banks • New York
