SECURITIES PROSPECTUS

Individual acting as sole executive body of the subsidiary and/or dependent company:Director General.Full nameViktor Germanovich SemyonovYear of birth 1956Stake 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%individual8.Full corporate nameSpecial Design Bureau of Heat PowerEngineering Equipment VTI Open Joint-StockCompanyOAO SKB VTIShort corporate nameLocation 115280, Russian Federation, Moscow, 3Avtozavodsky pr., dom 4, kor. 1Grounds for recognizing the company assubsidiary or dependent company of theIssuerThe company is recognized as subsidiary sincethe Issuer is in a position to define thedecisions adopted by such company due to apredominant stake in its authorized capital.Stake 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 Holding100%100%0%0%Engineering and design of boiler and ancillaryequipment for power plants, boiler plants andother facilitiesDevelopment of boiler and ancillary equipmentfor subsidiaries (IDGC and RGC)Members of the Board of Directors of the company.1. Azat Akhsanovich Salikhov, Chairman of the Board of DirectorsYear of birth: 1949Stake 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. Alexei Valerievich ZaitsevYear of birth: 1958Stake held by the above-mentioned individual in the authorized capital of the issuer:43