As of the indicated dates, the principal amount of QEP's debt, including amounts outstanding under its revolving credit facility, consisted of the following:

	March 31,			December 31,
	2012			2011
	(in millions)
Revolving Credit Facility	$	100.5		$	606.5
6.05% Senior Notes due 2016		176.8			176.8
6.80% Senior Notes due 2018		138.6			138.6
6.80% Senior Notes due 2020		138.0			138.0
6.875% Senior Notes due 2021		625.0			625.0
5.375% Senior Notes due 2022		500.0			-
Total principal amount of debt		1,678.9			1,684.9
Less unamortized discount		(5.4	)		(5.5	)
Total long-term debt outstanding	$	1,673.5		$	1,679.4