Exihibit 99.1 American Financial Group, Inc. Announces First Quarter Results • Net earnings per share of $2.89; includes$0.13 per share from after-tax non-core items • First quarter core net operating earnings per share of $2.76 • First quarter annualized ROE of 21.2%; core operating ROE of 20.2% • First quarter Specialty calendar year combined ratio 90.1%; 8% growth in net written premiums; renewal rate increases excluding workers’ compensation of 8% CINCINNATI – May 1, 2024 – American Financial Group, In ...