On June 29, 2018, as a result of his appointment as the United States Ambassador to the Kingdom of Belgium, Ronald J. Gidwitz provided KapStone Paper and Packaging Corporation with a letter announcing his retirement from the company’s Board of Directors. The decision of Mr. Gidwitz to retire from the company’s Board of Directors was not the result of any disagreement with the company on any matter relating to the company’s operations, policies or practices.