Amendment #4 Page 665 of 868 I Air a Coinon, In December 2014. tne Company started operations at Runatullo I i Hytroelectric Plant ?Mich s located all along the Runatullo River located at 6 Km in the department of Junin, which has 191 MW of installed capacrty (e) Main contracts Erreenng. PICCunfenent and Gourmet on rEPC7 Contract be RAWL:lb ft end Runetufflo lU Hicitostcloc Plants On June 7. 2012. the Company and GCZ Ingenieros SAC.. sutsaibed an EPC contract under welsh GCZ Ingenieros SAC shall be responsitle for the execution making and rendering of all the works, activities arc ser'ces associated or necessary b execute and develop We erigneenng, procurement consouction, assembly, teste-g and definde detwery of the Runatulto II and Runatulb III Hp:Mak:tine Plan In return, Ire Company Shall pay to GCZ Ingeneros $ AC for Ire execution of the worts, U$$91 674.603 (equvelent to Sr 274015,388) incii.ding Vale Added Tax (NAT) The first payment, made on July 1, 2012. accounted for 10 percent of an advance payment of US$8,225,143 (equivalent to $!.24,584,952) inducing VAT The remainng shad be pad based on MontNy valuations of We direct cost plus general experses, dedicting 10 percent for amortaation of the prepayment The rcome of the contract shall be cancelled at the &free delivery and conformity declaration of the works In order to guarantee to the Company tie property compliance of all the Megatons. GCZ Ingersems SAC Surrendered a bank guarantee letter Of faitlulty carclenCe tasted nib lava fa USS6,225.143 (equvalert tO Sr 24.554.952) Likewise, GCZ hgerseros S AC shall surrender to the Company a mortgage guarantee over shares trot GCZ Erergla S AC holds m Hidroelectnca Santa Cruz S AC . as correct 'motoring guarantee. The amount of sad guarantee equals 10 percent of the contract s total price This guarantee shall cover defects and/or mperfectors, quaNy. drawn and functioning of the mil works, cqupment materials and facilities in general correspond