Petro Vista has exploration, development and production rights to over 727,031 gross leasehold acres (197,697 net) in Brazil and Colombia.

BRAZIL

The Company holds working interests in one producing and two onshore exploration blocks located in the Sergipe Alagoas and Recôncavo Basins on Brazil's east coast situated adjacent to the large Miranga Oil Field (Petrobras) having over 814 MMBOE in place and the Carmopolis Oil Field with over 528 MMBOE.

COLOMBIA

Petro Vista has one producing and two exploration agreements in hydrocarbon-rich properties in the Llanos and Rio Magdalena Basins in Colombia. These prolific basins are characterized as having large blocks (ie: Sinu Norte SSJN-5 Block at 570,452 gross acres), multiple high-productivity reservoir targets and large-structure prospects. A series of near-term drilling programs are being carried out in these areas in 2010.

MAY 2010 REPORT