Investor Presentaiton

FIG WORKING WEEK 2017 29 may-2 June Helsinki Finland BASIC CONCEPT OF GEOTHERMAL Power Plant 4 Rain Fumarole Hot Spring Production Well Injection Well 3 1.Heat source 2.Reservoir 3.Steam (from production well) 4.Power Plant (Turbine and Generator) 2 Reservoir 1 MAGMA CAP STEAN HOT WATER HEAT SOURCE Source: Modified by Pertamina Geothermal Energy, 2013, unpublished

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