X0306 4 2018-05-01 0000004962 AMERICAN EXPRESS CO AXP 0001196907 CAMPBELL JEFFREY C 200 VESEY STREET, AMERICAN EXPRESS TOWER NEW YORK NY 10285-5001 1 EVP, Chief Financial Officer Common Stock 2018-05-01 4 S 0 6790 97.91 D 79977.834 D Common Stock 2018-05-01 4 S 0 2210 98.46 D 77767.834 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $97.33 to $98.29. The reporting person undertakes to provide to American Express Company, any security holder of American Express Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.33 to $98.57. The reporting person undertakes to provide to American Express Company, any security holder of American Express Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range. The transactions reported on this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the reporting person on March 13, 2018. /s/ Tangela S. Richter, attorney-in-fact 2018-05-03