Exhibit 99.1 FOR IMMEDIATE RELEASE GULFPORT, Miss. (July 15, 2025) — Hancock Whitney Corporation (Nasdaq: HWC) today announced its financial results for the second quarter of 2025. Net income for the second quarter of 2025 totaled $113.5 million, or$1.32 per diluted common share (EPS), compared to $119.5 million, or$1.38 per diluted common share, in the first quarter of 2025. The second quarter of 2025 included $5.9 million, or$0.05 per share of supplemental disclosure items related to the acquisition of ...