SECURITIES PROSPECTUS

Members of the Board of Directors of the company1. Nikolai Alexeyevich Grishaev, Chairman of the Board of DirectorsYear of birth: 1978Stake 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. Olga Valerievna KhechinashviliYear of birth: 1960Stake 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:none3. Vadim Viktorovich TulyakovYear of birth: 1968Stake 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:none4. Oleg Viktorovich TurchinYear of birth: 1982Stake 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:none5. Veniamin Anatolievich ZhdanovichYear of birth: 1959Stake 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:noneMembers of the collegial executive body of the company:Collegial executive body is not provided for by the articles of association of the company.Individual acting as sole executive body of the subsidiary and/or dependent company:Managing entityFull corporate nameTsNII NPKenergo Open Joint-Stock Company.Short corporate nameLocationStake in the authorized capital of JSC IDGCHolding, the issuer, owned by the abovementionedindividualPercentage of ordinary shares in JSC IDGCHolding owned by the above-mentionedindividual18.Full corporate nameOAO TsNII NPKenergo191186, Russian Federation, Saint Petersburg,Naberezhnaya r. Moiki, d. 470%0%Nedvizhimost of the Siberian Energy Researchand Development Center Open Joint-Stock57