X0306 4 2020-05-07 0 0001651561 Tabula Rasa HealthCare, Inc. TRHC 0001685832 Knowlton Orsula V 228 STRAWBRIDGE DRIVE SUITE 100 MOORESTOWN NJ 08057 1 1 0 0 President Common Stock 2020-05-07 4 S 0 4746 59.74 D 786923 I Held by spouse. Common Stock 2020-05-07 4 S 0 2891 60.50 D 784032 I Held by spouse. Common Stock 2020-05-07 4 S 0 363 61.31 D 783669 I Held by spouse. Common Stock 751701 D Common Stock 20000 I Held by trust for children. Common Stock 20000 I Held by trust for children. This sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by Dr. Calvin H. Knowlton on December 7, 2018, as amended. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $59.24 to $60.22, inclusive. The reporting person undertakes to provide to Tabula Rasa HealthCare, Inc., any security holder of Tabula Rasa HealthCare, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2), (3) and (4) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $60.24 to $61.03, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $61.24 to $61.37, inclusive. /s/ Brian W. Adams, by Power of Attorney 2020-05-11