Name of the project
Sukhoi Log gold project.

Location
Bodaybo district ofthe Irkutsk region, in Russia.

Project Owner/s
PJSC Polyus.

Project Description
Sukhoi Log is one of the world’s biggest green­field gold projects.

A detailed prefeasibility study (PFS) has indicated that the project’s key operating metrics will be even stronger than suggested by the 2018 scop­ing study, and has confirmed Sukhoi Log as a long-life project with an outstanding cost profile.

Average production over the life-of-mine has increased from 1.6-million ounces a year in the 2018 scoping study to 2.3-million ounces in the 2020 PFS.

The project’s mill throughput capacity has increased from 30-million tonnes a year in the 2018 scoping study to 33.2-million tonnes a year in the 2020 PFS. The requisite mining capacity stands at168-million tonnes a year.

The flowsheet has been upgraded and includes the introduction of flash flotation technology.

Potential Job Creation
Not stated.

Net Present Value/Internal Rate of Return
Not stated.

Capital Expenditure
The project’s initial construction capital expenditure has increased from $2.3-billion in the 2018 scoping study to $3.3-billion in the 2020 PFS.

Planned Start/End Date
Hot commissioning of the project and the first gold pour is expected in 2027.

Latest Developments
Sukhoi Log is progressing to the feasibility study stage. During the development ofthe feasi­bility study, Polyus will run a more accurate technical and financial analysis of the selected development approach for Sukhoi Log. The results of the study will serve as the basis for a final investment decision on the project.

The company is also conducting an environmental- and social-impact assessment to evaluate the likely impacts before making an investment decision. The results of the feasibility study are expected to be released in the second half of 2022, followed by a final investment decision.

Key Contracts, Suppliers and Consultants
Not stated.

Contact Details for Project Information
PJSC Polyus director communications and investor relations department Victor Drozdov, email drozdovvi@polyus.com.