Indaba Capital Management, L.P. Sent A Letter To The Board Of Directors Of Tabula Rasa Healthcare, Inc.

Tabula Rasa HealthCare, Inc.

228 Strawbridge Drive, Suite 100

Moorestown, New Jersey 08057

Attn:Brian W. Adams, Co-President and Secretary

Re:Demand for Books and Records Pursuant to 8 Del. C. § 220

Dear Mr. Adams:

Indaba Capital Management, L.P., a Delaware limited partnership (“Indaba Capital Management”), is the beneficial owner (within the meaning of Rule…