Lima 339 - C1073AAG - Buenos Aires - Argentina. 
Telephone: +54 11 4340-2222 - Fax: 54 11 4340-2215

Av. Grigotá esquina calle Las Palmas - Santa Cruz de la Sierra - Bolivia. 
Telephone: +591 3 359-4000 - Fax: 591 3 354-8080

Cra. 7 No. 71-52 Torre B, Piso 9, Bogotá, D.C., Colombia 110231
E-mail: pluspetrolcolombia@pluspetrol.net

Av. Diego de Almagro N32-48 y Whymper

IBM Building. 2^nd-3^rd Floor

Zip Code: 170518

Calle Las Begonias N° 415, piso 11, San Isidro, Lima
Telephone: +51 1 411-7100 - Fax: 51 1 411-7120/7142

Muiderstraat 7A - 1011 PZ Amsterdam - The Netherlands
Telephone: +31 20 662-2199

5599 San Felipe Suite 1000 - Houston, Texas 77056 - USA.

Telephone: +1 713 961-1095 - Fax: 1 713 961-1097

World Trade Center - Torre IV, Piso 15 - Dr. Luis Bonavita 1266 - CP 11300 – Montevideo - Uruguay.
Telephone: +59 82 1838-3200