Effective October 10, 2019, the Board of Directors of Armata Pharmaceuticals, Inc. appointed Todd C. Peterson, Ph.D. to serve as a Class II director. Prior to his appointment, the Company increased the size of its Board from seven to eight members. Dr. Peterson was not appointed to serve on a committee of the Board, although it is anticipated that he may be appointed to one or more Board committees at a later date. Dr. Peterson currently serves as Chief Scientific Officer at the Allen Institute in Seattle, Washington.