Industrial Engineer Universidad Católica de Chile Taxpayer ID No.: General Counsel Matías Astaburuaga S. Lawyer Universidad Católica de Chile Taxpayer ID No.: 7.080.469-7 Chief Executive Of�cer Patricio Contesse G. Forestry Engineer Universidad de Chile Taxpayer ID No.: 6.356.264-5 Nitrates and Iodine Operations Senior Vice President Mauricio Cabello C. Civil Mechanical Engineer Universidad de Santiago de Chile Taxpayer ID No.: 10.391.635-6 Sustainable Development and Public Affairs Senior Vice President Pauline De Vidts S. Industrial Engineer Universidad Católica de Chile Taxpayer ID No.: 9.668.138-0 Nueva Victoria Operations Senior Vice President Jaime San Martín Transportation Engineer Universidad Católica de Chile Taxpayer ID No.: 8.931.725-8 Salar-Lithium Operations Senior Vice President Juan Carlos Barrera P. Industrial Engineer Universidad Católica de Chile Taxpayer ID No.: 10.528.182-K Chief Financial Of�cer and Business Development Ricardo Ramos Industrial Engineer Universidad Católica de Chile Taxpayer ID No.: 8.037.690-1 Senior Commercial Vice President Eugenio Ponce L. Mechanical Engineer Universidad Católica de Valparaíso Taxpayer ID No.: 5.370.715-7 During	the	reporting	period,	there	were	no	major	changes	in	SQM’s	Upper	Management	Group.