7 September 2020

Polymetal announces that its associate ThreeArc Mining Ltd. (ThreeArc, in which Polymetal owns 9.1%) has completed an initial Mineral Resource estimate in accordance with the JORC Code (2012) for the Buranny area of Tomtor niobium and rare-earth metals project (Tomtor).

“Tomtor’s initial Mineral Resource estimate confirmed its large scale and substantial potential value. The next two milestones on the path to investment decision are the initial reserve estimate and completion of the PFS, both expected in early 2021”, said Vitaly Nesis, Group CEO of Polymetal.

HIGHLIGHTS

  • According to the JORC-compliant statement, Mineral Resources as at 31 December 2019 comprise 13.2 Mt of ore available for open-pit mining at 5.9% Nb2O51+15% REO2 grade (including 2.8% of NdPr3 oxides) containing 0.8 Mt of Nb2O5 and 2.0 Mt of REO.

  • The resource estimate is based on data from two exploration campaigns: a preliminary one in 1990-1997 including 448 drill holes with total length of 30 km followed by a detailed campaign in 2014-2018 comprising 204 drill holes with total length of 12 km.

  • The Mineral Resource audit completed by SRK Consulting is the first independent audit of the Tomtor project.

  • The initial Ore Reserve estimate and Pre-Feasibility Study are expected to be finalised in early 2021.

Tomtor Mineral Resources

Tonnage

Grade

Content

Mt

Nb2O5

%

REO

%

Nb2O5 Eq

%

Nb2O5

Kt

REO

Kt

Nb2O5 Eq

Kt

Indicated

11.8

6.0

15.0

12.0

707

1,770

1,410

Inferred

1.4

4.7

15.3

10.6

68

220

150

Indicated + Inferred

13.2

5.9

15.0

11.9

775

1,990

1,570

Note: The extract from the Mineral Resource statement reported in accordance with the JORC Code (2012) as at 31 December 2019 using the following prices: US$ 23.9/kg of Nb2O5, US$ 53.5/kg of Pr6O11, US$ 48.5/kg of Nd2O3, and at 7.8% Nb2O5 Eq cut-off grade. Discrepancies in calculations are due to rounding.

ABOUT TOMTOR

Tomtor is located in the north-west of Yakutia. It is one of the largest and highest grade rare earth elements (REE) projects in Russia and considered to be the highest grade development stage niobium (Nb) project globally. The deposit was discovered in 1977 with initial statutory reserves approved in 1999. In 2013, ICT established ThreeArc Mining Ltd., a subsidiary of which purchased the Tomtor license subsequently. In March 2020, Polymetal acquired a 9.1% stake in ThreeArc for US$ 20 million. The proceeds were allocated to Pre-Feasibility Study and initial JORC-compliant Ore Reserve and Mineral Resource estimate preparation.

The project is comprised of the Tomtor open-pittable deposit and the Krasnokamensk Hydromet Facility (KHF) which will be built near the town of Krasnokamensk located in South-Eastern Siberia close to the border with China being the location of Russia’s largest uranium mine and associated processing and tailings storage infrastructure.

COMPETENT PERSONS  

This estimate was prepared by a full-time employee of SRK Consulting (Russia) Ltd, Mr. Robin Simpson. He has sufficient experience relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined by the 2012 edition of the “Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves” (JORC Code).

Competent Person has given his consent to the inclusion in the report of the matters based on his information in the form and context in which it appears.

Notes:
(1) Niobium oxide.
(2) Rare earth oxides.
(3) Nd - Neodymium, Pr - Praseodymium.

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