Camisea Consortium July 3, 2012

Camisea Consortium

General Description Malvinas Plant Production and Gas processing (1300 MMSCFD) Distribution (Calidda) Concession area: Lima & Callao Perú LNG Liquefaction Plant Transport (TGP) Gas pipeline of 730 Km (Malvinas - Lima) Oil pipeline of 560 Km (Malvinas - Pisco) Pisco Plant Fractionation and Topping (85,000 Blsd)

Malvinas July 3, 2012

Clusters in Operation MIP B 56 PAG B PAG W B 88 PAG A SM1 SM3 CR1 CR3

Future Clusters – Full Exploration Plan B 56 SAN PAG N B 88 KIM N KIM W SM N KIM C SM E ARM N ARM S

Malvinas Plant – Second Extension Current Current Treatment Capacity 1,300 MMscfd 80,000 Bls Available Gas for Sale 1,160 Treatment Capacity with Extension 1,820 2nd Ext. 120,000 1,520

Pisco July 3, 2012

Pisco Plant – Second Extension Total Fractionation 1+ Topping 1 50,000 Bls Current Fractionation 2 + Topping 2 35,000 85,000 Fractionation 3 + Topping 3 2nd Ext. Processing Capacity 120,000

Investments July 3, 2012

Exploration July 3, 2012

SAN MARTIN EAST (2 wells) EXPLORATION PROJECT 2008-2014 LOT 56 – LOT 88 MIPAYA (2 wells) SANIRI (1 well) PAG WEST (1 well) KIMARO (1 well) SAN MARTIN EAST (2 wells) EXPLORATION ACTIVITIES LOTS 56 & 88 CAMISEA AREA 2008 2009 2010 2011 Block 56 EHS 358 2,226 2,181 3,708 G&G 10,062 934 1,386 DRILLING 355 108,846 FACILITIES CONSTRUCTION 14,235 36,695 12,288 17,705 150,635 Block 88 163 2798 3378 554 1071 1549   12 717 3869 4939 TOTAL 13,005 21,574 155,574 190,511 MANITI (1 well) Total Exploration (2008-2011)

EXPLORATION PROJECT 2012-2014 LOT 56 – LOT 88 MIPAYA (1 well) KIMARO (1 well) SM EAST (2 wells) EXPLORATION ACTIVITIES LOTS 56 & 88 CAMISEA AREA 2012 2013 2014 Block 56 EHS 4,430 3,438 G&G 1,279 380 310 DRILLING   72,188 FACILITIES CONSTRUCTION 80,223 158,120 3,818 Block 88 4277 4038 4412 2218 42500 620 77159 119141 33156 14650 28750 45000 98304 194429 83188 TOTAL 256,424 198,247 83,498 538,169 MANITI (1 well) Total Exploration (2012-2014)

Certified Reserves Data according to NS&I to Dec 31, 2011

Investment amounts Total Investments MMUS$ 1,248 MALVINAS PISCO ALCANCE DEL PROYECTO 1 TREN CRIOGÉNICO - CB&I Sistema de Deshidratación Deetanizadora Turboexpander 1 UNIDAD ESTABILIZADORA - Secin Separación Trifásica Compresor Columna Estabilizadora SLUG CATCHER ESFERA DE ALMACENAMIENTO NGL 2 TURBO COMPRESORES – SIEMENS EPC21 - AESA TECNA TOTAL INVESTMENT MMUS$ 156 ALCANCE DEL PROYECTO PLANTA TOPPING – OHL PLANTA FRACCIONAMIENTO – OHL Depropanizadora Debutanizadora TANQUES ATMOSFÉRICOS Propano, Butano, Nafta, Diesel ALMACENAMIENTO PRESURIZADO Bullets para GLP EPC22 – OHL In Plants In Exploration In MMUS$ Total Investments MMUS$ 1,248

Thank you July 3, 2012