SECURITIES PROSPECTUS

Director General.Full nameArkady Alexandrovich EgorovYear of birth 1960Stake in the authorized capital of JSC IDGCHolding, the issuer, owned by the abovementionedindividual0%Percentage of ordinary shares in JSC IDGCHolding owned by the above-mentioned0%individual45.Full corporate nameShort corporate nameLocationGrounds for recognizing the company assubsidiary or dependent company of theIssuerStake held by the Issuer in the authorizedcapital of the subsidiary and/or dependentcompany.Percentage of ordinary shares in thesubsidiary and/or dependent company ownedby the Issuer.Stake held by the subsidiary and/or dependentcompany in the authorized capital of theIssuer.Percentage of ordinary shares in JSC IDGCHolding owned by the subsidiary and/ordependent companyDescription of the company’s core businessDescription of the role of such company forthe functioning of JSC IDGC HoldingSiberian Energy Research and DevelopmentCenter Open Joint-Stock CompanyOAO Siberian ENTTs630132, Novosibirsk Region, Novosibirsk, ul.Dimitrova, d. 7The company is recognized as dependent sincethe Issuer has more than twenty percent ofvoting shares in the joint-stock company.25%25%0%0%Activities related to the design, construction,re-equipment and rehabilitation of powerfacilitiesServices related to the design, construction, reequipmentand rehabilitation of power gridfacilitiesMembers of the Board of Directors of the company.1. Stanislav Yurievich Berus, Chairman of the Board of DirectorsYear of birth: 1985Stake held by the above-mentioned individual in the authorized capital of the issuer:nonePercentage of the issuer’s ordinary shares owned by the above-mentioned individual:none2. Svetlana Vladimirovna BlokhinaYear of birth: 1966Stake held by the above-mentioned individual in the authorized capital of the issuer:nonePercentage of the issuer’s ordinary shares owned by the above-mentioned individual:119