As of March 23, 2009, JSC IDGC Holding has had four global depositary receipt programs:

- Two Reg S programs with ordinary and preference shares as the underlying asset.

- Two Rule 144A programs with ordinary and preference shares as the underlying asset.

On May 29, 2011, JSC IDGC Holding was granted by the Federal Financial Markets Service of the Russian Federation permission for transactions involving transfer of ownership of its ordinary and preference shares outside the Russian Federation with respect to:

- 10,158,010,396 ordinary shares;

- 518,137,346 preference shares,

accounting for 23.88% and 25% of the total number of the Company’s outstanding shares respectively.

Ratio of one depositary receipt to JSC IDGC Holding shares:

Prior to July 27, 2011: 1:400;

Effective July 27, 2011: 1:200.

The depositary bank for the depositary receipt programs is

Representative office in Moscow:

Ul. Vozdvizhenka, 4/7, str. 2

Mokhovaya Business Center

Floor 5

Moscow, 125009, Russia

Telephone: +7 495 967 3110

Rule 144A

CUSIP: 46071X104

Rule 144A PREF

CUSIP: 46071X302

Reg S

CUSIP: 46071X203

Reg S PREF

CUSIP: 46071X401

Dmitry Akhrimenko

+7 (495) 710-43-40

Ilya Shpinev

+7 (495) 710-42-90