CHANGE IN WORKING CAPITAL (Tables)

3 Months Ended

Mar. 31, 2013

CHANGE IN WORKING CAPITAL

Summary of change in working capital

(unaudited)	Three months ended March 31,
(millions of dollars)	2013		2012
Decrease in accounts receivable and other	1		1
Increase/(decrease) in accounts payable and accrued liabilities	(2	)	1
Increase in accrued interest	4		5
Decrease in operating working capital	3		7