X0306 4 2019-09-04 0 0001739104 Elanco Animal Health Inc ELAN 0001479079 Simmons Jeffrey N C/O ELANCO ANIMAL HEALTH INCORPORATED 2500 INNOVATION WAY GREENFIELD IN 46140 1 1 0 0 President, CEO & Director Common Stock 2019-09-04 4 P 0 75750 26.55 A 470006 D The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $26.3925 to $26.665, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. /s/ Darlene Quashie Henry, as Attorney-in-Fact for Jeffrey N. Simmons 2019-09-05