Short Term Incentive.

Low estimate of contingent resources.

Proven reserves.

Best estimate of contingent resources.

Proven and probable reserves.

The standard unit of measurement for all production and sales.

Billion standard cubic feet, a measure of gas volume.

Barrels of oil equivalent - the factor used to convert volumes of different hydrocarbon production to barrels of oil equivalent. Conversion rate used by Oil Search for gas is 6,000 scf = 1 boe up to and including 2013 production; 5,100 scf = 1 boe thereafter.

Barrels of oil per day.

British Thermal Units, a measure of thermal energy.