4/27/22 Zyuzin Igor SC 13D/A 1:230K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 2/10/22 Zyuzin Igor SC 13D/A 1:234K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 12/22/21 Zyuzin Igor SC 13D/A 1:232K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 11/12/21 Zyuzin Igor SC 13D/A 1:229K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 10/7/21 Zyuzin Igor SC 13D/A 1:229K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 9/16/21 Zyuzin Igor SC 13D/A 1:233K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 8/3/21 Zyuzin Igor SC 13D/A 1:235K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 7/6/21 Zyuzin Igor SC 13D/A 1:229K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 6/1/21 Zyuzin Igor SC 13D/A 1:228K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 5/21/21 Zyuzin Igor SC 13D/A 1:230K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 4/19/21 Zyuzin Igor SC 13D/A 1:230K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 2/9/21 Zyuzin Igor SC 13D/A 1:229K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³ 1/27/21 Zyuzin Igor SC 13D/A 1:230K Mechel PAO Donnelley … Solutions/FA Bask-Med Ooo³ Bask-Med Region Ooo³ Irina V. Zyuzina³ JSC Coalmetbank³ JSC Ic Bask³ Methol Ooo³ Skyblock Ltd.³ Spetstekhleasing Ooo³ Yakutugol JSHC³