X0306 4 2020-03-03 0001126328 PRINCIPAL FINANCIAL GROUP INC PFG 0001278726 STRABLE-SOETHOUT DEANNA D 711 HIGH STREET DES MOINES IA 50392 0 1 0 0 EVP & Chief Financial Officer Common Stock 2020-03-03 4 S 0 3099 45.17 D 80510 D Common Stock 2020-03-03 4 S 0 4051 46.06 D 76459 D Common Stock 2020-03-03 4 S 0 1116 46.95 D 75343 D Common Stock 2020-03-03 4 S 0 846 45.13 D 48888 I By Spouse Common Stock 2020-03-03 4 S 0 1100 46.02 D 47788 I By Spouse Common Stock 2020-03-03 4 S 0 350 46.88 D 47438 I By Spouse The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 24, 2019. The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 24, 2019. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.65 - $45.60, 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 footnotes (3), (4), (5), (6), (7) and (8) of 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 $45.67 - $46.64, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.70 - $47.35, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.61 - $45.52, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.65 - $46.60, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.69 - $47.15, inclusive. Alex P. Montz, by Power of Attorney 2020-03-05