For the years ended December 31, 2007 and 2006
($Cdn thousands except per share amounts and as noted)
| 2007 | 2006 | |||
| Changes in non-cash working capital: | ||||
Accounts receivable |
$ | 103,118 | $ | 36,180 |
Inventories |
(61,810) | (63,623) | ||
Supplies and prepaid expenses |
(35,631) | (38,393) | ||
Accounts payable and accrued liabilities |
27,677 | 58,258 | ||
| Hedge position settlements | 67,948 | 32,113 | ||
| Other | 16,667 | 10,840 | ||
| Total | $ | 117,969 | $ | 35,375 |