Liquidity and Capital Resources

SUMMARIZED CASH FLOW Year ended December 31 (millions of dollars)
	2008	2007	2006
Funds generated from operations⁽¹⁾	3,021	2,621	2,378
(Increase)/decrease in operating working capital	(181)	215	(303)
Net cash provided by operations	2,840	2,836	2,075

⁽¹⁾	Refer to the "Non-GAAP Measures" section of this MD&A for further discussion of funds generated from operations.