CAMPOS Y

DEPARTAMENTOS PROBADA PROBABLE PROBADA + PROBABLE PROBADA PROBABLE PROBADA + PROBABLE

SANTA CRUZARROYO NEGRO - - - 17.526 75.581 93.107 BOQUERN 25.961 3.480 29.441 480.789 46.632 527.421 CAMBEITI 1.068 - 1.068 38.024 - 38.024 CAMIRI 392 - 392 186.691 - 186.691 CARANDA 122.888 506.935 629.823 650.164 1.215.704 1.865.868 CASCABEL 1.243 - 1.243 38.222 - 38.222 COBRA 8.719 8.241 16.960 194.222 180.000 374.222 COLPA 46.122 22.425 68.547 280.753 1.187.151 1.467.904 EL DORADO 52.944 116.487 169.431 610.969 1.348.426 1.959.395 ENCONADA 39.764 7.955 47.719 308.000 52.000 360.000 GUAIRUY 342 - 342 63.127 - 63.127 H.SUREZ ROCA 5.325 1.625 6.950 29.071 5.004 34.075 ITATIQUI 62.860 - 62.860 2.610.000 - 2.610.000 JUNN 34.136 10.735 44.871 179.000 67.000 246.000 LA PEA 15.825 594 16.419 1.718.972 507.225 2.226.197 LOS CUSIS 508 228 736 1.127.963 396.037 1.524.000 LOS PENOCOS 778 246 1.024 533.590 223.715 757.305 LOS SAUCES 43.865 - 43.865 576.531 - 576.531 MONTECRISTO 240 - 240 20.000 - 20.000 NARANJILLOS 473.881 397.503 871.384 5.787.320 4.484.604 10.271.924 PALACIOS 4.457 12.001 16.458 43.000 108.000 151.000 PALMAR 12.924 39.384 52.308 505.493 766.436 1.271.929 PALOMETAS NW 36.349 22.289 58.638 136.000 98.000 234.000 PATUJ 49.498 7.248 56.746 536.774 84.265 621.039 PATUJUSAL 644 1.120 1.764 1.045.445 1.955.000 3.000.445 PATUJUSAL OESTE 696 - 696 231.526 - 231.526 PUERTO PALOS 12.224 18.808 31.032 97.000 148.000 245.000 RO GRANDE 603.811 383.990 987.801 8.074.841 7.403.780 15.478.621 RO SECO 13.901 24.604 38.505 124.539 226.125 350.664 SAN IGNACIO 4.871 6.929 11.800 9.000 13.000 22.000 SANTA ROSA 17.837 8.313 26.150 41.000 19.000 60.000 SANTA ROSA OESTE 21.014 42.458 63.472 55.000 107.000 162.000 SIRARI 163.316 6.046 169.362 1.495.846 52.177 1.548.023 TACOBO 90.214 633.097 723.311 456.591 3.146.124 3.602.715 TATARENDA - - - 220.084 409.551 629.635 TUNDY 73 - 73 94.357 - 94.357 VBORA 193.437 47.695 241.132 2.037.770 1.475.125 3.512.895 WARNES 2.936 7.543 10.479 42.093 74.436 116.529 YAPACAN 660.412 11.674 672.086 5.022.251 86.389 5.108.640 TOTAL SANTA CRUZ 2.825.475 2.349.653 5.175.128 35.719.544 25.961.487 61.681.031

GAS NATURAL (MMpc) PETRLEO/CONDENSADO (bbl)

RESERVAS CERTIFICADAS AL 1 DE ENERO DE 2005 POR DEPARTAMENTO PRODUCTOR Y POR CAMPO

CAMPOS Y

DEPARTAMENTOS PROBADA PROBABLE PROBADA + PROBABLE PROBADA PROBABLE PROBADA + PROBABLE

GAS NATURAL (MMpc) PETRLEO/CONDENSADO (bbl)

RESERVAS CERTIFICADAS AL 1 DE ENERO DE 2005 POR DEPARTAMENTO PRODUCTOR Y POR CAMPO

COCHABAMBABULO BULO 465.968 190.301 656.269 10.277.765 3.982.773 14.260.538 CARRASCO 32.484 116.218 148.702 293.178 4.129.930 4.423.108 KANATA 78.271 146.979 225.250 4.563.667 12.009.258 16.572.925 KANATA NORTE 58.653 6.599 65.252 1.949.185 137.533 2.086.718 KATARI - - - - - - PALOMA 72.242 5.369 77.611 2.042.988 7.158.734 9.201.722 SURUB 5.060 14.359 19.419 3.936.085 8.889.367 12.825.452 SURUB NOROESTE 3.742 1.068 4.810 5.168.131 1.379.040 6.547.171 TOTAL COCHABAMBA 716.420 480.893 1.197.313 28.230.999 37.686.635 65.917.634 CHUQUISACABUENA VISTA - - - 26.878 - 26.878 CAMATINDI - - - - 65.000 65.000 MONTEAGUDO 6.915 435 7.350 661.792 247.000 908.792 PORVENIR 622 2.666 3.288 3.110 53.400 56.510 VUELTA GRANDE 486.727 119.018 605.745 3.136.775 1.666.252 4.803.027 TOTAL CHUQUISACA 494.264 122.119 616.383 3.828.555 2.031.652 5.860.207 TARIJABARREDERO - - - - - - BERMEJO 2.082 14.308 16.390 28.702 255.805 284.507 CAIGUA 11.923 - 11.923 18.960 - 18.960 CHURUMAS 12.996 37.105 50.101 - - - ESCONDIDO 113.265 56.144 169.409 1.349.859 649.515 1.999.374 HUAYCO 17.885 7.860 25.745 66.027 31.948 97.975 IBIBOBO 17.125 - 17.125 1.343.354 - 1.343.354 ITA 3.273.845 4.483.300 7.757.145 49.218.582 65.531.062 114.749.644 LA VERTIENTE 62.841 90.055 152.896 893.130 1.853.212 2.746.342 LOS MONOS - - - - - - LOS SURIS 54.117 12.952 67.069 621.212 171.401 792.613 MADREJONES BOLIVIANO 13.859 69.192 83.051 737 37.444 38.181 MARGARITA 5.861.224 4.647.652 10.508.876 148.447.037 108.150.983 256.598.020 UPUCO (*) 123.163 33.087 156.250 1.729.230 424.623 2.153.853 PALO MARCADO 42.901 45.794 88.695 454.727 450.225 904.952 SBALO 5.731.968 4.936.284 10.668.252 95.145.154 82.533.315 177.678.469 SAN ALBERTO 7.192.598 4.551.783 11.744.381 96.300.539 64.567.254 160.867.793 SAN ROQUE 167.908 74.217 242.125 1.205.843 992.429 2.198.272 TAIGUATI - - - - - - TIGRE 12.250 16.770 29.020 37.800 50.700 88.500 TORO - - - 585.555 - 585.555 TOTAL TARIJA 22.711.950 19.076.503 41.788.453 397.446.448 325.699.916 723.146.364 (*) Incluye el campo Chaco Sur

COCHABAMBA 716.420 480.893 1.197.313 28.230.999 37.686.635 65.917.634 CHUQUISACA 494.264 122.119 616.383 3.828.555 2.031.652 5.860.207 SANTA CRUZ 2.825.475 2.349.653 5.175.128 35.719.544 25.961.487 61.681.031 TARIJA 22.711.950 19.076.503 41.788.453 397.446.448 325.699.916 723.146.364

TOTAL NACIONAL 26.748.109 22.029.168 48.777.277 465.225.546 391.379.690 856.605.236

TOTALES POR DEPARTAMENTO