Exhibit 99.1 FOR IMMEDIATE RELEASE October 15, 2024 For more information Kathryn Shrout Mistich, VP, Investor Relations Manager 504.539.7836 or kathryn.mistich@hancockwhitney.com Hancock Whitney reports third quarter 2024 EPS of 1.33GULFPORT,Miss.(October15,2024)—HancockWhitneyCorporation(Nasdaq:HWC)todayannounceditsfinancialresultsforthethirdquarterof2024.Netincomeforthethirdquarterof2024totaled115.6 million, or 1.33perdilutedcommonshare(EPS),comparedto114.6 mill ...