CHANGE IN WORKING CAPITAL (Tables)

9 Months Ended

Sep. 30, 2011

CHANGE IN WORKING CAPITAL

CHANGE IN WORKING CAPITAL

(unaudited)	Nine months ended September 30,
(millions of dollars)	2011			2010
Decrease in accounts receivable and other		0.2			1.2
(Decrease)/increase in accounts payable and accrued liabilities		(1.5	)		2.4
Increase in accrued interest		4.8			1.0
		3.5			4.6
Decrease in investing working capital		-			0.1
Decrease in operating working capital		3.5			4.5