Major Mineral Resource Upgrade at Gorno

• The total Mineral Resource tonnage has increased by a factor of 2.4x and the zinc grade has increased by 40% compared to the previous (2017) MRE, leading to more than 3.3x the amount of zinc metal contained, of which more than 60% is in the Indicated category. • The recent exploration program of 85 diamond core holes (totalling 6,231m) and 34 channel samples were completed from underground worki