Los Lirios Exploration and Development Update

• On-ground drill program preparations commenced, including camp setup, core warehouse and personnel. Drilling expected to commence in the second week of January. • Informe Preventivo (“IP”) completed and to be submitted for up to 50 drill holes and bulk sampling trenches at Los Lirios. • Due diligence on Tecomatlán plant concluded positively. Preliminary engineering for Phase 1 refurbishment is s