Bonterra Energy Income Trust

ARTC - Alberta Royalty Tax Credit.

Bbl - one barrel consisting of 34.972 Imperial gallons or 42 U.S. gallons.

BOE - barrel of oil equivalent. For this purpose natural gas is converted on the basis of 10 MCF to 1 barrel of oil equivalent.

BOPD - barrels of oil per day.

gpt - grams per tonne.

gross acres - the total number of acres in which the Trust holds a working interest or right to earn a working interest.

gross wells - the total number of wells in which the Trust has a working interest.

MBbl - 1,000 barrels of oil.

MCF - 1,000 cubic feet.

MCFD - 1,000 cubic feet per day.

MMCF - 1,000,000 cubic feet.

NGL's - natural gas liquids.

net acres refers to gross acres multiplied by the percentage working interest therein owned or to be owned by the Trust.

net wells refers to gross wells multiplied by the percentage working interest therein owned or to be owned by the Trust.

Trust - Bonterra Energy Income Trust

working interest - the interest held by the Trust in an oil and gas property, which interest normally bears its proportionate share of the costs of exploration, development, and operations as well as any royalties or other production burdens.