2021
54. Statement of Material Facton the Quarterly Report Disclosure by the Issuer
47. Statement on Internet Disclosure of theList of Affiliates by the Joint-Stock Company
44. Statement on the Internet Disclosure of the Annual Report by the Joint-Stock Company
38. Notice of Substantial Fact on the Quarterly Report Disclosure by the Issuer
8. Statement of Material Fact on the Quarterly Report Disclosure by the Issuer
5. Statement of Material Fact "Information on the meeting of the Issuer's Board of Directors (Supervisory Board) and its agenda" (Disclosure of Insider Information)
2. Statement of Material Fact"Information on the meeting of the Issuer's Board of Directors (Supervisory Board) and its agenda" (Disclosure of Insider Information)