Data which may have a material effect on the value of securities

Date	Event
21.06.11	STATEMENT OF DATA WHICH MAY HAVE A MATERIAL EFFECT ON THE VALUE OF SECURITIES OF THE JOINT-STOCK COMPANY: “Concerning a Bankruptcy Action Brought and/or One of the Bankruptcy Procedures Initiated by an Arbitration Court Against the Joint-Stock Company and/or Its Subsidiaries and Dependent Companies”
17.05.11	STATEMENT OF DATA WHICH MAY HAVE A MATERIAL EFFECT ON THE VALUE OF SECURITIES OF THE JOINT-STOCK COMPANY “INFORMATION ABOUT DECISIONS APPROVED BY THE BOARD OF DIRECTORS OF THE JOINT-STOCK COMPANY”
04.05.11	STATEMENT OF DATA WHICH MAY HAVE A MATERIAL EFFECT ON THE VALUE OF SECURITIES OF THE JOINT-STOCK COMPANY: “Concerning the expected (planned) date of the list of the persons entitled to dividends on the joint-stock company’s shares”
16.03.11	STATEMENT OF DATA WHICH MAY HAVE A MATERIAL EFFECT ON THE VALUE OF SECURITIES OF THE JOINT-STOCK COMPANY “Concerning the inclusion of the joint-stock company’s securities on the list of securities admitted by the securities trading institutor to trading in the securities market and concerning the exclusion of the joint-stock company’s securities from the said list”
16.03.11	STATEMENT OF DATA WHICH MAY HAVE A MATERIAL EFFECT ON THE VALUE OF SECURITIES OF THE JOINT-STOCK COMPANY “Concerning the inclusion of the joint-stock company’s securities on the list of securities admitted by the securities trading institutor to trading in the securities market and concerning the exclusion of the joint-stock company’s securities from the said list”
05.03.11	STATEMENT OF DATA WHICH MAY HAVE A MATERIAL EFFECT ON THE VALUE OF SECURITIES OF THE JOINT-STOCK COMPANY: “Concerning the Acquisition by the Joint-Stock Company of a Stake in the Authorized (Share) Capital (Unit Trust) of Another Profit-Making Organization Which Constitutes at Least 5 Percent or a Block of Ordinary Shares in Another Joint-Stock Company Which Constitutes at Least 5 Percent and Concerning a Change in Such Block if It Consequently Becomes Higher or Lower than 5, 10, 15, 20, 25, 30, 50, and 75 Percent”
04.03.11	STATEMENT OF DATA WHICH MAY HAVE A MATERIAL EFFECT ON THE VALUE OF SECURITIES OF THE JOINT-STOCK COMPANY: “Concerning the Acquisition by the Joint-Stock Company of a Stake in the Authorized (Share) Capital (Unit Trust) of Another Profit-Making Organization Which Constitutes at Least 5 Percent or a Block of Ordinary Shares in Another Joint-Stock Company Which Constitutes at Least 5 Percent and Concerning a Change in Such Block if It Consequently Becomes Higher or Lower than 5, 10, 15, 20, 25, 30, 50, and 75 Percent”
17.12.10	STATEMENT OF DATA WHICH MAY HAVE A MATERIAL EFFECT ON THE VALUE OF SECURITIES OF THE JOINT-STOCK COMPANY: “Concerning a Bankruptcy Action Brought and/or One of the Bankruptcy Procedures Initiated by an Arbitration Court Against the Joint-Stock Company and/or Its Subsidiaries and Dependent Companies”
10.11.10	Statement of data which may have a material effect on the value of securities of the joint-stock company: Concerning the Acquisition by the Joint-Stock Company of a Stake in the Authorized (Share) Capital (Unit Trust) of Another Profit-Making Organization Which Constitutes at Least 5 Percent or a Block of Ordinary Shares in Another Joint-Stock Company Which Constitutes at Least 5 Percent and Concerning a Change in Such Block if It Consequently Becomes Higher or Lower than 5, 10, 15, 20, 25, 30, 50, and 75 Percent
30.09.10	Statement of data which may have a material effect on the value of securities of the joint-stock company “Information about decisions approved by the board of directors of the joint-stock company”
28.07.10	Statement “Concerning the Exercised Preemptive Right”
24.05.10	Statement of data which may have a material effect on the value of securities of the joint-stock company “Information about decisions approved by the board of directors of the joint-stock company”
11.05.10	Statement of data which may have a material effect on the value of securities of the joint-stock company “Information about decisions approved by the board of directors of the joint-stock company”
30.12.09	Statement of Data Which May Have a Material Effect on the Value of Securities of the Joint-Stock Company Concerning formation of the sole and/or collegial executive bodies
20.11.09	Statement of data which may have a material effect on the value of securities of the joint-stock company “Information about decisions approved by the board of directors of the joint-stock company”
30.06.09	“Concerning the inclusion of the joint-stock company’s securities on the list of securities admitted by the securities trading institutor to trading in the securities market”
29.06.09	Concerning the Inclusion of Securities of the Joint-Stock Company in the List of Securities Allowed to Be Traded by the Trade Institutor in the Securities Market
28.05.09	“Information about decisions approved by the board of directors of the joint-stock company”
04.05.09	“Information about decisions approved by the board of directors of the joint-stock company” Concerning the convocation of the Annual General Meeting of Shareholders of JSC IDGC Holding
20.03.09	Statement of data which may have a material effect on the value of securities of the joint-stock company: “Concerning the acquisition by the joint-stock company of a stake in the authorized (share) capital (unit trust) of another profit-making organization which constitutes at least 5 percent or a block of ordinary shares in another joint-stock company which constitutes at least 5 percent and concerning a change in such block if it consequently becomes higher or lower than 5, 10, 15, 20, 25, 30, 50, and 75 percent”
05.03.09	Statement of data which may have a material effect on the value of securities of the joint-stock company “Information about decisions approved by the board of directors of the joint-stock company”
05.03.09	Concerning receipt by the joint-stock company of permission from the federal executive authority in charge of the securities market to organize transactions involving transfer of ownership of the joint-stock company’s securities outside the Russian Federation.
04.03.09	Concerning receipt by the joint-stock company of permission from the federal executive authority in charge of the securities market to organize transactions involving transfer of ownership of the joint-stock company’s securities outside the Russian Federation
29.12.08	“Concerning the acquisition by the joint-stock company of a stake in the authorized (share) capital (unit trust) of another profit-making organization which constitutes at least 5 percent or a block of ordinary shares in another joint-stock company which constitutes at least 5 percent and concerning a change in such block if it consequently becomes higher or lower than 5, 10, 15, 20, 25, 30, 50, and 75 percent”
18.12.08	“Concerning the acquisition by the joint-stock company of a stake in the authorized (share) capital (unit trust) of another profit-making organization which constitutes at least 5 percent or a block of ordinary shares in another joint-stock company which constitutes at least 5 percent and concerning a change in such block if it consequently becomes higher or lower than 5, 10, 15, 20, 25, 30, 50, and 75 percent”
16.12.08	“Concerning a change of the webpage used by the joint-stock company for disclosure of information”
08.12.08	“Concerning the inclusion of the joint-stock company’s securities on the list of securities admitted by the securities trading institutor to trading in the securities market”
05.12.08	“Information about decisions approved by the board of directors of the joint-stock company”
05.12.08	“Concerning the inclusion of the joint-stock company’s securities on the list of securities admitted by the securities trading institutor to trading in the securities market”
04.12.08	“Concerning an agreement entered into by and between the joint-stock company and a stock exchange whereby the joint-stock company’s securities are listed”
03.12.08	“Concerning an agreement entered into by and between the joint-stock company and a stock exchange whereby the joint-stock company’s securities are listed”
19.11.08	Statement of Registration of the Securities Prospectus and Procedure for Providing Access to Information Contained in the Securities Prospectus
14.11.08	“Concerning the acquisition by the joint-stock company of a stake in the authorized (share) capital (unit trust) of another profit-making organization which constitutes at least 5 percent or a block of ordinary shares in another joint-stock company which constitutes at least 5 percent and concerning a change in such block if it consequently becomes higher or lower than 5, 10, 15, 20, 25, 30, 50, and 75 percent”
22.10.08	“Concerning the acquisition by the joint-stock company of a stake in the authorized (share) capital (unit trust) of another profit-making organization which constitutes at least 5 percent or a block of ordinary shares in another joint-stock company which constitutes at least 5 percent and concerning a change in such block if it consequently becomes higher or lower than 5, 10, 15, 20, 25, 30, 50, and 75 percent”
20.10.08	“Information about decisions approved by the board of directors of the joint-stock company” Concerning the convocation of the Extraordinary General Meeting of Shareholders of JSC IDGC Holding
28.08.08	"Concerning the acquisition by the joint-stock company of a stake in the authorized (share) capital (unit trust) of another profit-making organization which constitutes at least 5 percent or a block of ordinary shares in another joint-stock company which constitutes at least 5 percent and concerning a change in such block if it consequently becomes higher or lower than 5, 10, 15, 20, 25, 30, 50, and 75 percent"