On January 22, 2020, the Board of Directors of Aduro Biotech, Inc.appointed William G. Kachioff as interim chief financial officer, effective immediately. In his capacity as interim chief financial officer, Mr. Kachioff will serve as the principal financial officer and principal accounting officer of the Company. Mr. Kachioff, is an employee of Danforth Advisors, LLC (“Danforth”) and has worked as an executive consultant for life sciences companies since September 2017.