X0306 4 2020-03-10 0001126328 PRINCIPAL FINANCIAL GROUP INC PFG 0001166856 GELATT DANIEL 711 HIGH STREET DES MOINES IA 50392 1 0 0 0 Common Stock 2020-03-10 4 P 0 22065 35.41 A 187741 D Common Stock 2020-03-10 4 P 0 6083 35.92 A 193824 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.83 - $35.81, inclusive. The reporting person undertakes to provide to Principal Financial Group, Inc., any security holder of Principal Financial Group, Inc., 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.83 - $36.13, inclusive. The reporting person undertakes to provide to Principal Financial Group, Inc., any security holder of Principal Financial Group, Inc., 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. Alex P. Montz, by Power of Attorney 2020-03-12