Sociedad Química y Minera de Chile S.A. announced that the Board at its extraordinary Board meeting held on April 27, 2018, agreed to the composition of the Board Committees and it would be as follows: Directors' Committee: Hernán Büchi Buc, Laurence Golborne Riveros and Alberto Salas Muñoz; Corporate Governance Committee: Mark F. Fracchia, Darryl Stann and Hernán Büchi Buc; Safety, Health and Environment Committee: Arnfinn F. Prugger, Patricio Contesse Fica and Gonzalo Guerrero Yamamoto.