February 8, 2018, GENERMEX Purchase Order is granted by the “Major maintenance service to generators, Mitsubishi brand, serial numbers 873411 and 873414 of non 1 and non 2 units consisting of: preliminary inspection:

• Electricaltests to thestator
• Electricaltests to the rotor
• Majormaintenance / activities before unemployment
• Mechanicaldisassembly
• Visual inspection and stator maintenance, this activity will be carried out at the CTG NONOALCO plant
• Visual inspection and rotor maintenance in GENERMEX Workshop
• Final testsattestedby LAPEM, final statortests
• Rotor final tests
• Mechanicalreassembly