ESG Ratings and Initiatives

Nonickel shares in the ESG index of the Moscow Exchange —
RAEX ESG

ESG rating: “ААA”

The highest level of ESG risk management (September 2025)

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Top of the ESG-Ranking Climate Impact Management (2025)

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Top Companies in the field of Water Management (2025)

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ESG rating: “А+”, stable outlook

High level of implementation and planning of practices for sustainable development (September 2025)

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ESG ranking:

Leader of ESG transparency (October 2025)

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ESG index: I level (high)

as of October 2024

ESG rating: “АА+”, level ESG-2, positive outlook

Very high ESG score (September 2025)

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ESG rating is “B”

as of April 2023

ESG-rating has been withdrawn in August 2023

ESG Risk Rating  — 44.0 (out of 100),
risk rating “Severe”

Exposure Score  — 76.7 (out of 100),
risk rating “High”

Management Score  — 46.5 (out of 100),
risk rating “Average”

Overall ESG score 4.3/5 (improvement from 2.4 since 2017), which puts NN in the top percentile.

Reiterated as an index constituent in December 2021.

Industry average — 2.2/5.

ESG-rating has been withdrawn in March 2022
ESG rating is “C”, performance score — 36.5, transparency level — high

as of May 2024

Overall ESG score has been increased from 33 to 44 (out of 100)

in November 2021 vs industry average of 34

ESG-rating has been withdrawn in March 2022

Climate Change 2021 – score “D” (M&M sector - “C”)

Water Security 2021 – score “C” (M&M sector - “B-”)

ESG-rating has been withdrawn in March 2022
ESG rating 58/100

as of February 2024

ESG-rating has been withdrawn in January 2025
Membership

In November 2016, the Company joined the United Nations Global Compact

Norilsk Nickel’s environmental management is in compliance with international standards ISO 14001:2015

Compliance with GRI (global reporting initiatives) and RSPP public verification procedure. First social responsibility report in 2003

Nickel institute — member since 2005

International Platinum group metals association — member since 1999

Global Battery Alliance — member since 2021