11:45 AM EST - Sierra Metals Inc. : announced that Yauricocha's mineral reserves have been increased by over 2,230,000 tonnes, representing an increase of 53.5% over the previously reported mineral reserves. Total Proven and Probable Mineral Reserves for Yauricocha are 6,394,000 tonnes averaging 94.8 g/t silver, 2.09% lead, 0.70% copper, 2.53% zinc and 0.80 g/t gold (360.6 g/t AgEq), up from 4,163,000 tonnes at the end of 2011. Sierra Metals Inc.
shares T.SMT are trading unchanged at $2.05.
