Vaca Muerta Strategic Investment

JURASSIC CRETACEOUS Neuquina Basin Stratigraphy Multiple formations enhance growth potential Synthetic Stratigraphic Column SYSTEM/STAGE FORMATION A GROUP Mulichinco/Lajas/Lotena Formation LITHOLOGY Paleocene Maastrichtian Campanian SPISEDADDADDAR Santonian Coniacian Turonian Cenomanian Albian Aptian Barremian Hautevirian BRACKEROPER Anacleto Malargüe Rio Colorado Bajo de la Carpa Subgroup Plottier Rio Neuquén Portezuelo Cerro Lisandro Huincul Candeleros Rayoso Huitrin Upper Mb Subgroup Rio Limay Subgroup Neuquén Bajada del Agrio Valanginian Berriasian Tithonian Avilė Mb Lower Mb A Mulichinco B Quintuco Mendoza Vaca Muerta Tight gas formations with solid results all throughout the basin Sands and conglomerates with low permeability requiring hydraulic stimulation to enhance productivity Productivity depth ranges from 2,000 to 4,000 meters B Quintuco/Vaca Muerta Formation World class unconventional formation in production since 2010 TOC ranges from 2 to 10% Thickness ranges from 25 to over 500 meters Source rock of Neuquina Basin C Kimmeridgian Tordillo Auquilco La Manga Oxfordian Lotena Lotena C Tordillo/Sierras Blancas/Punta Rosada Formation Callovian Bathonian Tábanos Lajas Bajocian Aalenian Cuyo Toarcian Los Molles Pliensbachian Şinemurjan Lapa Precuyo Hettangian TRIASSIC PALEOZOIC Basement Conventional formations with over 40 years of production history Light oil with API above 32° Most of the these formations under secondary recovery Unconformity Coarse siliciclastics Continental mudstone Evaporites Volcaniclastic deposits Carbonate Marine mudstone 23 23

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