Those mineral reserves recoverable under current technology and present and anticipated economic conditions, specifically proved by drilling, testing or production, plus the continguous recoverable reserves judged to exist from geological, geophysical or similar information, with reasonable certainty.

Generally defined as proved reserves plus one half probable reserves.

Proved Reserves plus 50% of Probable Reserves.

proved plus one-half of the probable reserves for assets in Canada and France. For Aventura Energy Inc. assets, Established Reserves are proved plus risked probable reserves.

The portion of the discovered resource base that is estimated to be recoverable using known technology under present and anticipated economic conditions. Includes proved plus a portion of probable (usually 50%).