Athens, 01 November 2013

ANNOUNCEMENT

MYTILINEOS HOLDINGS S.A. informs the investing public that the arbitration procedure regarding the contract for the supply of electricity to the Group's subsidiary ALUMINION S.A. by the PPC S.A. has been completed. Decision RAE-D1-I215-31/10/13,  issued by the Permanent Arbitration Tribunal at the Regulatory Authority for Energy (RAE) and served on ALUMINION by a bailiff, stipulates that “ALUMINION shall be supplied with electricity by the PPC and the PPC shall supply electricity to ALUMINIUM for a period of time equal to 8,760 hours annually at the price of €40.7/MWh, inclusive of the fixed and variable cost of energy, the charges for Transmission System Use, Ancillary Services, PSO and the surcharges for the contributory fees in favour of RAE and of the Electricity Transmission System Operator (HTSO or DESMIE) S.A. / Electricity Market Operator (LAGIE) S.A. and exclusive of charges in connection with the RES/ETMEAR Special Duty for Renewable Energy Sources and for Reduction of Air Pollutant Emissions, Excise Duty on electricity, Customs Rights (DETE) and any other tax charges levied.” The ruling concerns the period from 1 July 2010 to 31 December 2013 inclusive.

Following the above arbitration ruling, which both parties have undertaken in advance to accept, PPC and ALUMINION shall proceed to settle financially and in terms of accounting operations the bill between them, with retroactive effect as of 1/7/2010. The difference to ensue for ALUMINIUM S.A. and for its parent company, MYTILINEOS HOLDINGS S.A., shall be reflected in the interim summary financial statements for the period from 1 January to 30 September 2013, to be released together with the nine-month results on 20 November 2013.

The Permanent Arbitration Tribunal was established at RAE for the first time in October 2012, pursuant to art. 37 of Greek Law 4011/2011.