PJSC Polyus Ore Reserves and Mineral Resources Update PJSC Polyus (LSE, MOEX - PLZL) ( Polyus , the Company ) announces its Ore Reserves and Mineral Resources estimates as at 31 December 2020, in accordance with JORC Code 2012. The Company s total Proved and Probable Ore Reserves have increased 71% to 104 million ounces of gold, compared to 61 million ounces of gold as at 31 December 2019. The updated estimate primarily reflects the inclusion of Ore Reserves for Sukhoi Log as well as additions at several operating mines, derived from a comprehensive drilling program across the Company s asset portfolio launched in 2018. The Measured, Indicated and Inferred Mineral Resources are estimated at