NGX AB-NIT Same Day Index
       Price   
Calendar DateStrip Begin DateStrip End DateDay RangeQuantity Traded (TJ/Day)Number of TradesSettlementOpenHighLowWeighted AverageExchange Rate $US/$CADWeighted Average ($US/MMBtu)
Wednesday, September 1, 2010 01-Sep-10 01-Sep-10 Same Day 2,079.8 281 3.255 3.100 3.295 3.100 3.2105 0.95273.2270
Thursday, September 2, 2010 02-Sep-10 02-Sep-10 Same Day 1,797.6 250 3.400 3.400 3.460 3.350 3.3994 0.95063.4094
 
(1) Total/Weighted Average       3,877.4531     3.460 3.100 3.2981   3.3116
Arithmetic                   3.3050   3.3182
 
(2) Total/Weighted Average       3,877.4531     3.460 3.100 3.2981   3.3116
Arithmetic                   3.3050   3.3182
 
(3) Total/Weighted Average       3,877.4531     3.460 3.100 3.2981   3.3116
Arithmetic                   3.3050   3.3182
 
(4) Total/Weighted Average       3,877.4531     3.460 3.100 3.2981   3.3116
Arithmetic                   3.3050   3.3182
 
(5) Total/Weighted Average       3,877.4531     3.460 3.100 3.2981   3.3116
Arithmetic                   3.3050   3.3182
Weekend# weighted average of NGX "F3" (Fri,Sat,Sun) instrument. OnLong Weekends with a Holiday Monday, "F4" (Fri,Sat,Sun &Mon) instrument will be used.
(1) includes all Weekend# deals
(2) excludes all Weekend# deals
(3) includes Weekend# deals but excludes individual Saturday, Sunday and Statutory Holiday deals that falls in conjuction with the weekend.
(4) excludes individual Saturday, Sunday and Statutory Holiday deals that fall in conjuction with the weekend - the Weekend# number is used instead as a proxy for each of these days
(5) excludes individual Friday, Saturday, Sunday and Statutory Holiday deals that fall in conjunction with the weekend - the Weekend# number is used instead as a proxy for each of these days

Note: Exchange Rate from Bank of Canada (Daily noon rate)