[table]
[attr style=”width: 25%”]`[attr style=”width: 25%”]Plains/HA`[attr style=”width: 25%”]Northern/HA`[attr style=”width: 25%”]Foothills/HA
December 12, 2012` $272.47` $377.08`$386.64
November 28, 2012` $382.56` $289.81`$358.54
Change`-$110.09`+$87.27`+$28.10
[/table]
Source: ERCB