Polymetal Voro Mine Supply Chain

Name of Mine, Production Facility or Transport Operation

Polymetal Voro Mine Supply Chain

Signatory Ownership Position

Not Applicable

Name of Operating Company

Gold of Northern Urals JSC

Operation Address / Location

4 Karpinskogo St.
Krasnoturyinsk, Sverdlovsk Region

Date of Certification

Date of Initial Certification

June 18, 2019

Signatory Date*

December 10, 2018

Additional Information or Comments

Certification of the Voro Mine Supply Chain expired August 1, 2022. Subsidiary was designated by the U.S. Department of State in May 2023 as a Russian located asset. All service agreements between Polymetal International Plc (the Company) and Gold of Northern Urals JSC (the Subsidiary) have been terminated. All payments from the Company under inter-group agreements with the Subsidiary have been discontinued or suspended. As of the date the Company does not have the ability to monitor and manage cyanide management issues at Voro Mine, cannot guarantee compliance of this site with the provisions of the Cyanide Code and is not able to carry out recertification. Management of the Subsidiary, including cyanide management issues, has been delegated to the executives of JSC Polymetal (the holding company located in the Russian Federation). Current certification status: “certification expired” (the Company is considering all possible options available for divestment of Russian assets). ”

The Voro Supply Chain included cyanide receipt and management at the Port of St. Petersburg, rail transportation by Russian Rail to Nizhny Tagil, and road transportation by ADR Express to the Voro mine, and overall management during transportation by TNT.