Amendments to the Charter (12.05.2023) Partnership Charter Amendments to the Charter (09.03.2023) Dividend policy

Code of Business Ethics Sustainable development policy Corporate management code Regulation on the Supervisory Board Regulations on the Executive authority Policy on settlement of conflicts of interest

Risk management policy

Environmental Protection Manual Industrial safety policy Corporate Standard for Industrial Safety Management HSE Golden Rules Guidelines on Protection of Official and Commercial Secrets» Anti-Corruption and Anti-Fraud Policy Environmental Protection Policy Regulation on Information Disclosure (Information Policy) Information Security Policy Proactive information Policy

Human Resources Policy Talent Management Rules Professional Training Rules Search and selection rules