2.3. Methodology for assessing the suppliers’ sustainability practices

The Questionnaire comprises three key sections
E

Environmental

environmental protection, waste management, climate policy

S

Social

occupational health and safety, human rights

G

Governance

corporate governance, anti‑corruption, process transparency

The assessment of suppliers begins with the completion of a questionnaire covering sustainability‑related topics. Responses are analysed for the quality of data provided, and additional supporting documents All documents received from suppliers and generated by the Company are retained for at least five years. may be requested where necessary. Based on the maturity of the supplier’s practices, each question is scored, and a weighted average is then calculated for each section: environmental, social, and governance. To reflect the supplier’s industry profile, the scores are adjusted using appropriate factors to produce a final assessment of the maturity of the supplier’ sustainability practices. Where needed, suppliers are offered consultations to help implement the recommended improvements and enhance the effectiveness of their management processes – ultimately strengthening their competitiveness and business resilience.

Structure of the Supplier Self‑Assessment Questionnaire, %
The Company provides comprehensive support to suppliers by:
  • clarifying assessment requirements and methodology, including through consultation calls;
  • assisting with the preparation of required documents;
  • offering recommendations to improve sustainability practices.

The Company welcomes a proactive approach from suppliers and strives to make the assessment process transparent and user‑friendly.

Methodology for assessing the suppliers’ sustainability practices

In the second half of 2025, Nornickel plans to conduct another assessment of a sample of suppliers of goods, works, and services.

The sample will include external suppliers (i.e. those not part of the Group) that had valid contracts with the Group in 2024 Expenditure contracts with mutual obligations. . The Company conducts the assessment by sending the Questionnaire to the suppliers included in the sample.

Suppliers may also volunteer to participate in the survey by sending a request to social_report@nornik.ru.

The subject line of the e‑mail should read “Responsible Supply Chain Supplier”, and the message should include the supplier’s name, INN (taxpayer identification number), and details of contracts with the Group that were active in 2024. Upon receipt of the request, the supplier will be checked for compliance with the sampling criteria, and if compliance is confirmed, a Questionnaire will be sent to them.