The Essential Facts

Type of a document (or information), published on Internet site All document types Arrangement of the general meeting of participants (shareholders) of the Issuer and the decisions taken thereby Information on Certain Decisions Taken by the Board of Directors of the Issuer Notice of Internet Disclosure of the Annual Accounting (Financial) Statements at the Internet page by the Joint Stock Company Notice of disclosure of interim accounting (financial) statements by the Joint Stock Company at the Internet page Notice on Changes or Corrections to Information Previously Published in the News Feed Notice on the web page address change, used by the Issuer for information disclosure On Quarterly Report Disclosure by the Issuer On convention of the General Meeting of Participants (Shareholders) of the Issuer On disclosure of consolidated financial statements by the Issuer as well as provision of an auditor’s opinion prepared regarding such statements On income accrued on issue-grade securities of the Issuer On income paid on issue-grade securities of the Issuer On the Meeting of the Board of Directors (Supervisory Board) of the Issuer and agenda thereof On the Meeting of the Board of Directors (Supervisory Board) of the Issuer and and Agenda thereof On the date as whereof the persons are determined having the right to exercise rights under issued securities of the issuer inclusive of the date as whereof the list of persons having the right to participate in the General Meeting of Shareholders of th On the date as whereof the persons are determined having the right to exercise rights under issued securities of the issuer inclusive of the date as whereof the list of persons having the right to participate in the General Meeting of Shareholders of the

Type of a document (or information), published on Internet site All document types Arrangement of the general meeting of participants (shareholders) of the Issuer and the decisions taken thereby Information on Certain Decisions Taken by the Board of Directors of the Issuer Notice of Internet Disclosure of the Annual Accounting (Financial) Statements at the Internet page by the Joint Stock Company Notice of disclosure of interim accounting (financial) statements by the Joint Stock Company at the Internet page Notice on Changes or Corrections to Information Previously Published in the News Feed Notice on the web page address change, used by the Issuer for information disclosure On Quarterly Report Disclosure by the Issuer On convention of the General Meeting of Participants (Shareholders) of the Issuer On disclosure of consolidated financial statements by the Issuer as well as provision of an auditor’s opinion prepared regarding such statements On income accrued on issue-grade securities of the Issuer On income paid on issue-grade securities of the Issuer On the Meeting of the Board of Directors (Supervisory Board) of the Issuer and agenda thereof On the Meeting of the Board of Directors (Supervisory Board) of the Issuer and and Agenda thereof On the date as whereof the persons are determined having the right to exercise rights under issued securities of the issuer inclusive of the date as whereof the list of persons having the right to participate in the General Meeting of Shareholders of th On the date as whereof the persons are determined having the right to exercise rights under issued securities of the issuer inclusive of the date as whereof the list of persons having the right to participate in the General Meeting of Shareholders of the

Type of a document (or information), published on Internet site All document types Details of certain decisions taken by the Board of Directors of the Issuer Details of disclosure of consolidated financial statements by the Issuer as well as provision of an auditor’s opinion prepared regarding such statements Notice of Disclosure of the Intermediate Accounting (Financial) Statements at the Internet page by the Joint-Stock Company Notice of Internet Disclosure of the Annual Accounting (Financial) Statements Notice of disclosure of the annual report by the Joint-Stock Company at the Internet page Of Disclosure of Intermediate Accounting Statements by the Joint Stock Company on the Web Page On Disclosure of a Quarterly Report by the Issuer On arrangement of a session of the Board of Directors (Supervisory Board) of the Issuer and on the agenda thereof On arrangement of the general meeting of participants (shareholders) of the Issuer and the decisions taken thereby On change or correction of information previously published in the News feed On convention of the General Meeting of Participants (Shareholders) of the Issuer On income accrued on issue-grade securities of the Issuer On income paid on issue-grade securities of the Issuer On the date as whereof the persons are determined having the right to exercise rights under issued securities inclusive of the date as whereof the list of persons having the right to participate in the General Meeting of Shareholders is generated On the date as whereof the persons are determined having the right to exercise rights under issued securities of the issuer inclusive of the date as whereof the list of persons having the right to participate in the General Meeting of Shareholders of the

Type of a document (or information), published on Internet site All document types Arrangement of a Session of the Board of Directors (Supervisory Board) of the Issuer and the Agenda Thereof Arrangement of the general meeting of participants (shareholders) of the Issuer and the decisions taken thereby Concerning the Issuer equity securities exclusion from the list of securities admitted for trading by the Russian trade organizer in the securities market Details of Certain Decisions Taken by the Board of Directors of the Issue Details of Certain Decisions Taken by the Board of Directors of the Issuer Details of Certain Decisions Taken by the Board of Directors of the Issuer Details of certain decisions taken by the Board of Directors of the Issuer Details of disclosure of consolidated financial statements by the Issuer as well as provision of an auditor’s opinion prepared regarding such statements Details that, in the Issuer’s opinion, may essentially affect the cost of the Issuer’s issue-grade securities Notice of Internet Disclosure of the Annual Accounting (Financial) Statements Of Disclosure of Intermediate Accounting Statements by the Joint Stock Company on the Web Page On Arrangement of a Session of the Board of Directors (Supervisory Board) and on the Agenda Thereof On Arrangement of a Session of the Board of Directors (Supervisory Board) of the Issuer and on the Agenda Thereof On Change or Adjustment of Information Previously Published in the News Feed On Details That, in the Issuer’s Opinion, May Essentially Affect the Cost of the Issuer’s Issue-Grade Securities On Disclosure of a Quarterly Report by the Issuer On Early Payment of the Issuer’s Bonds On Internet Disclosure of the Annual Accounting (Financial) Statements On Internet Disclosure of the Annual Accounting (Financial) Statements by the Joint-Stock Company On Quarterly Report Disclosure by the Issuer On acquisition (termination) of the right by (of) an entity/individual to dispose of a certain number of votes attaching to voting shares (stakes) constituting the equity capital of the Issuer On arrangement of a session of the Board of Directors (Supervisory Board) of the Issuer and on the agenda thereof On arrangement of a session of the Board of Directors (Supervisory Board) of the Issuer and on the agenda thereof On assigning a rating to equity securities and/or their issuer, or its changing by the rating agency on the basis of a contract concluded with the issue On convention of the General Meeting of Participants (Shareholders) of the Issuer On the Issuer, the person controlling the Issuer or an organization controlled by the Issuer having effected a contract stipulating the duty to acquire issue-grade securities of the said Issuer On the date as whereof the persons are determined having the right to exercise rights under issued securities of the issuer inclusive of the date as whereof the list of persons having the right to participate in the General Meeting of Shareholders of the On the meeting of the Board of Directors (Supervisory Board) of the Issuer and and agenda thereof On the meeting of the Board of Directors (Supervisory Board) of the Issuer and and agenda thereof

Type of a document (or information), published on Internet site All document types Details of Certain Decisions Taken by the Board of Directors of the Issuer Details of Convention of the General Meeting of Participants (Shareholders) of the Issuer Details of a person having acquired (had terminated) the right to dispose of a certain number of votes as per the voting shares (stakes) constituting the authorized capital of the Issuer Details of certain decisions taken by the Board of Directors of the Issuer Details of disclosure of consolidated financial statements by the Issuer as well as provision of an auditor’s opinion prepared regarding such statements Details of disclosure of consolidated financial statements by the Issuer as well as provision of an auditor’s opinion prepared regarding such statements Details that, in the Issuer’s opinion, may essentially affect the cost of the Issuer’s issue-grade securities Notice of Disclosure of the Intermediate Accounting (Financial) Statements at the Internet page by the Joint-Stock Company Notice of Disclosure of the Quarterly Accounting (Financial) Statements at the Internet page by the Joint-Stock Company Notice of Disclosure of the Quarterly Accounting (Financial) Statements at the Internet page by the Joint-Stock Company by the Joint-Stock Company Notice of Internet Disclosure of the Quarterly Accounting (Financial) Statements at the Internet page by the Joint-Stock Company Notice of disclosure of the annual report by the Joint-Stock Company at the Internet page On Arrangement of a Session of the Board of Directors On Arrangement of a Session of the Board of Directors (Supervisory Board) of the Issuer and on the Agenda Thereof On Arrangement of a Session of the Board of Directors of the Issuer and on the Agenda Thereof On Changes or Corrections to Information Previously Published in the News Feed On Changes or Corrections to Information Previously Published in the News Feed On Disclosure of a Quarterly Report by the Issuer On Income Paid on Issue-Grade Securities of the Issuer On arrangement of a session of the Board of Directors On arrangement of a session of the Board of Directors (Supervisory Board) of the Issuer and Its Agenda On arrangement of a session of the Board of Directors (Supervisory Board) of the Issuer and its Agenda On arrangement of a session of the Board of Directors (Supervisory Board) of the Issuer and on the agenda thereof On arrangement of the general meeting of participants (shareholders) of the Issuer and the decisions taken thereby On change or correction of information previously published in the News feed On engagement and replacement of organizations providing intermediary services during the Issuer discharging obligations under bonds or other issue-grade securities On income accrued on issue-grade securities of the Issuer On income paid on issue-grade securities of the Issuer On the date as whereof the persons are determined having the right to exercise rights under issued securities inclusive of the date as whereof the list of persons having the right to participate in the General Meeting of Shareholders is generated On the date as whereof the persons are determined having the right to exercise rights under issued securities of the issuer inclusive of the date as whereof the list of persons having the right to participate in the General Meeting of Shareholders On transition of issuing securities of the issuer

Type of a document (or information), published on Internet site All document types Admission of petition to arbitration court to declare bankrupcy of the issuer Arrangement of a Session of the Board of Directors (Supervisory Board) of the Issuer and the Agenda Thereof Details of Arrangement of a Session of the Board of Directors of the Issuer and the Agenda Thereof Details of Certain Decisions Taken by the Board of Directors of the Issuer Details of Convention of the General Meeting of Participants (Shareholders) of the Issuer Details of Date as whereof the List of Holders of the Issuer’s Registered Issue-Grade Securities is Generated for Purposes of Execution (Exercise) of the Rights Under such Issue-Grade Securities Details of a person having acquired the right to dispose of a certain number of votes as per the voting shares constituting the authorized capital of the Issuer Details of disclosure of consolidated financial statements by the Issuer as well as provision of an auditor’s opinion prepared regarding such statements Details of income having accrued on issue-grade securities of the Issuer Details on making decision on placing (approval of stock program) Details that, in the Issuer’s opinion, may essentially affect the cost of the Issuer’s issue-grade securities Notice On date as whereof the list of persons having the right to exercise rights under securities are determined Notice On disclosure of a quarterly report by the Issuer for Q1 2016 Notice On disclosure of a quarterly report by the Issuer for Q2 2016 Notice On disclosure of a quarterly report by the Issuer for Q4 2015 Notice On disclosure of consolidated financial statements Notice of Essential Fact On income paid on issue-grade securities of the Issuer Notice of Internet Disclosure of the Quarterly Accounting (Financial) Reports Notice of Internet Disclosure of the Quarterly Accounting (Financial) Statements by the Joint-Stock Company Notice of correction of information contained in previously published notice of essential fact Notice of disclosure of the annual accounting (financial) statements Notice of disclosure of the annual report by the Joint-Stock Company at the Internet page Notice on engagement of organizations providing intermediary services to the Issue during the Issuer discharging obligations under bonds or other issue-grade securities of the Issuer On Arrangement of a Session of the Board of Directors (Supervisory Board) and on the Agenda Thereof On Arrangement of a Session of the Board of Directors (Supervisory Board) of the Issuer and on the Agenda Thereof On Assignment of Identification Number to the Stock Obligations On Changes or Corrections to Information Previously Published in the News Feed On Details That, in the Issuer’s Opinion, May Essentially Affect the Cost of the Issuer’s Issue-Grade Securities On Details of Disclosure of Consolidated Financial Statements by the Issuer and on Provision of the Auditor’s Opinion with Respect to Such Statements On Disclosure of a Quarterly Report by the Issuer On Income Paid on Issue-Grade Securities of the Issuer On Termination of the Contract On accrued and paid income on issue-grade securities of the Issuer On arrangement of the general meeting of participants (shareholders) of the Issuer and the decisions taken thereby On change or correction of information previously published in the News feed On conclusion by the Issuer of the Contract on support (stabilization) of prices for securities of the Issuer (securities of the foreign issuer authorizing rights in relation to securities of the Russian Issuer), as well as on termination of such contract On conclusion by the Issuer of the Contract on support (stabilization) of prices for securities of the Issuer (securities of the foreign issuer authorizing rights in relation to securities of the Russian Issuer), as well as on termination of such contrat On termination of bankruptcy proceedings Оf a person having acquired (had terminated) the right to dispose of a certain number of votes as per the voting shares (stakes) constituting the authorized capital of the Issuer

Type of a document (or information), published on Internet site All document types Notice of correction of information contained in previously published notice of essential fact Details of Arrangement of a Session of the Board of Directors of the Issuer and the Agenda Thereof Details of Arrangement of a Session of the Board of Directors of the Issuer and the Agenda thereof Details of Arrangement of the General meeting of participants (shareholders) of the Issuer and the decisions taken thereby Details of Certain Decisions Taken by the Board of Directors of the Issuer Details of Convention of the General Meeting of Participants (Shareholders) of the Issuer Details of Expiry of the Term of Powers of Members of Collegial Executive Body of the Issuer Details of a person having acquired the right to dispose of a certain number of votes as per the voting shares constituting the authorized capital of the Issuer Details of disclosure of consolidated financial statements Details that, in the Issuer’s opinion, may essentially affect the cost of the Issuer’s issue-grade securities Notice On Disclosure of a Quarterly Report by the Issuer for Q1 2014 Notice On Disclosure of a Quarterly Report by the Issuer for Q2 2014 Notice On Disclosure of a Quarterly Report by the Issuer for Q4 2013 Notice On amending the text of a quarterly report for Q1 2014 Notice On amending the text of a quarterly report for Q2 2014 Notice On amending the text of a quarterly report for Q4 2013 Notice On date as whereof the persons having the right to exercise rights under securities are determined Notice On disclosure of a quarterly report by the Issuer for Q1 2015 Notice On disclosure of a quarterly report by the Issuer for Q2 2015 Notice On disclosure of a quarterly report by the Issuer for Q3 2015 Notice On disclosure of consolidated financial statements Notice of Essential Fact On Disclosure of a Quarterly Report by the Issuer Notice of correction of information contained in previously published notice of essential fact Notice of disclosure of intermediate accounting (financial) statements Notice of disclosure of the annual accounting (financial) statements Notice of disclosure of the annual report at the Internet page Notice of disclosure of the quarterly accounting (financial) reports Notice of disclosure of the quarterly accounting (financial) statements On Arrangement of a Session of the Board of Directors of the Issuer and on the Agenda Thereof On completion of securities placement On income accrued on issue-grade securities of the Issuer On income paid on issue-grade securities of the Issuer On the date of securities placement commencement