X0306 4 2021-08-30 0 0001042046 AMERICAN FINANCIAL GROUP INC AFG 0001196316 BERDING JOHN B 301 EAST FOURTH STREET 27TH FLOOR CINCINNATI OH 45202 1 1 0 0 President of Subsidiary Common Stock 2021-08-30 4 M 0 2728 30.01 A 38380 D Common Stock 2021-08-30 4 S 0 2728 137.2502 D 35652 D Common Stock 2021-08-30 4 M 0 12272 42.44 A 47924 D Common Stock 2021-08-30 4 S 0 12272 137.00 D 35652 D Common Stock 2021-08-31 4 S 0 5000 137.86 D 1899 I By Trust Common Stock 4161.5097 I ESPP Common Stock 19740.71 I RASP 401(k) Common Stock 1045.2238 I ESPP DRIP Stock Option Exercise 30.01 2021-08-30 4 M 0 2728 0.00 D 2023-02-21 Common Stock 2728 0 D Stock Option Exercise 42.44 2021-08-30 4 M 0 12272 0.00 D 2014-02-24 Common Stock 12272 15957 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.61 to $137.25.02, inclusive. The reporting person undertakes to provide to American Financial Group, Inc., ("AFG"), any security holder of AFG, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $137.74 to $138.33, inclusive. Shares owned by the reporting Person in the Issuer's Employee Stock Purchase Plan (the "ESPP"). All ESPP information reporting herein is based on a plan statement dated as of 12/31/2020. Represents amounts held by Reporting Person in a retirement plan of the Issuer based on a statement dated 12/31/2020. Represents ESPP DRIP shares previously reported as directly held and ESPP DRIP shares not previously reported. Shares reported reflect total ESPP DRIP shares held by reporting person as of the date of this filing. These Employee Stock Options become exercisable in five equal installments beginning on the first anniversary of the grant date. These Employee Stock Options become exercisable in five equal installments beginning on the first anniversary of the grant date. John B. Berding by: Karl J. Grafe, as Attorney-in-Fact 2021-09-01