BOARD COMMITTEES AUDIT COMMITTEE OF THE BOARD OF DIRECTORS Vardanyan Ruben Karlenovich President of Vardanyan, Broitman & Partners LLC (independent director) Dyukov Alexander Valerievich General Director of JSC Gazprom Neft Nikienko Denis Vladimirovich Member of the Board of Directors of PJSC SIBUR Holding HUMAN RESOURCES AND REMUNERATION COMMITTEE OF THE BOARD OF DIRECTORS Razumov Vladimir Vladimirovich Deputy Chairman of the Management Board - Executive Director of SIBUR LLC Tafintsev Ilya Vadimovich Director for Strategic Projects, OJSC NOVATEK Shamalov Kirill Nikolaevich Member of the Board of Directors of PJSC SIBUR Holding STRATEGY AND INVESTMENT COMMITTEE OF THE BOARD OF DIRECTORS Kirill Dmitriev General Director of the Russian Direct Investment Fund (RDIF), independent director Dyukov Alexander Valerievich General Director of JSC Gazprom Neft Razumov Vladimir Vladimirovich Deputy Chairman of the Management Board - Executive Director of SIBUR LLC Timchenko Gennady Nikolaevich Member of the Board of Directors of PJSC SIBUR Holding Shamalov Kirill Nikolaevich Member of the Board of Directors of PJSC SIBUR Holding LIMITATION OF LIABILITY SITE MAP

BUSINESS SUPPORT To improve the efficiency of investments and ensure the reliable operation of existing production facilities, SIBUR develops its own service centers in the following areas: power supply; repairs; information Technology; Financial services. SIBUR and NBA Partnership to Open Renewed Basketball Court in Dzerzhinsk The playground in Dzerzhinsk will be the sixth sports facility reconstructed as part of a partnership between the parties aimed at developing basketball in Russia and supporting a sports lifestyle. More details LIMITATION OF LIABILITY SITE MAP