Effective February 28, 2019, Five Prime Therapeutics, Inc. appointed David White to serve as FivePrime’s Principal Accounting Officer. Mr. White joined FivePrime on February 25, 2019 as Vice President, Finance. Prior to joining FivePrime, Mr. White served as Chief Financial Officer of Solar Spectrum LLC, a solar energy company, from October 2018 to February 2019. In connection with and effective upon Mr. White’s appointment as FivePrime’s Principal Accounting Officer, David V. Smith, FivePrime’s Executive Vice President and Chief Financial Officer, resigned as FivePrime’s Principal Accounting Officer. Mr. Smith continues to serve as FivePrime’s Principal Financial Officer.