Michael A. Jackson has retired as a member of the board of directors of Renewable Energy Group, Inc. and submitted his resignation, effective march 14, 2018. On March 14, 2018, the board appointed James C. Borel and Debora M. Frodl as members of the board. Mr. Borel will serve as a class I director and his term will expire at the 2018 annual meeting of stockholders. The board will nominate Mr. Borel for re-election as a class I director at the 2018 annual meeting of stockholders. Mr. Borel has been appointed to the board's compensation and audit committees. Ms. Frodl will serve as a class II director and her term will expire at the 2019 annual meeting of stockholders. Ms. Frodl has been appointed to the board's nominating and governance and risk management committees.