Vaca Muerta Strategic Investment

Bajada del Palo West Neuquina Basin - Unconventional Large potential of core Vaca Muerta play Asset Overview (1) One operated (48,000 acres) and one non-operated concession (6,000 net acres) in the core of Vaca Muerta ■Full-scale, development-ready, Vaca Muerta core acreage ■ Bajada del Palo and Coirón Amargo Sur Oeste are in the same prospectivity window as La Amarga Chicha (YPF- Petronas), Loma Campana (YPF-Chevron), Sierras Blancas and Cruz de Lorena (Shell) and Aguada Federal (Wintershall), which have completed pilots and/or are in development phase ■ Significant progress in cost reduction has improved economics of development over the past few years Key Stats (1) Land holdings of 137,000 acres with 54,000 net core shale oil acres EUR (P50): 311 MMBoe ■Drilling inventory: 413 in base case plan (out of >1,100 potential locations) Vista Value-Add ✓ Management team with top experience in Vaca Muerta ✓ Support from Riverstone, leading PE investor in North American shale (technology, network, etc.) Unconventional Operations Map (1) Pan American bp ENERGY BANDER wintershall GyPYRE PETRONAS VISTA OIL & GAS YPF BANDURRIA SER YPF Schlumberger FACALIZA YPF A CAMPANA YPP Chevron 50 Coirón Amargo Sur Oeste | Prospective Area 30 VISTA OIL & GAS CACACHEANGAS DEVELOPMENT (1) Based on Company information and estimates. Important Note: projections, estimates, targets and goals are forward-looking statements and not guarantees of future performance. See "Important Note Regarding Projections and Other Forward- Looking Statements." 25 25

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