Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Information

The following table represents the 2011 quarterly financial information:

	2011
In thousands, except per-share data	First		Second		Third		Fourth			Year
Net sales	$	790,273	$	910,175	$	890,546	$	865,692		$	3,456,686
Gross profit		249,059		287,736		272,062		264,865			1,073,722
Operating income		86,177		109,422		92,903		(119,985	)		168,517
Income from continuing operations		52,034		68,137		52,054		(133,704	)		38,521
Net income from continuing operations attributable to Pentair, Inc.		50,541		66,712		51,092		(134,123	)		34,222
Earnings per common share attributable to Pentair, Inc. (1)
Basic
Continuing operations	$	0.52	$	0.68	$	0.52	$	(1.36	)	$	0.35
Basic earnings per common share	$	0.52	$	0.68	$	0.52	$	(1.36	)	$	0.35
Diluted
Continuing operations	$	0.51	$	0.67	$	0.51	$	(1.36	)	$	0.34
Diluted earnings per common share	$	0.51	$	0.67	$	0.51	$	(1.36	)	$	0.34

⁽¹⁾Amounts may not total to annual earnings because each quarter and year are calculated separately based on basic and diluted weighted-average common shares outstanding during that period.

The following table represents the 2010 quarterly financial information:

	2010
In thousands, except per-share data	First		Second		Third		Fourth			Year
Net sales	$	707,013	$	796,167	$	773,735	$	753,858		$	3,030,773
Gross profit		213,702		248,168		236,542		232,228			930,640
Operating income		63,601		100,126		90,823		79,605			334,155
Income from continuing operations		36,029		61,612		55,729		49,577			202,947
Gain (loss) on disposal of discontinued operations, net of tax		524		593		549		(2,292	)		(626	)
Net income from continuing operations attributable to to Pentair, Inc.		34,797		60,488		54,501		48,668			198,454
Earnings per common share attributable to Pentair, Inc. (1)
Basic
Continuing operations	$	0.35	$	0.61	$	0.55	$	0.50		$	2.02
Discontinued operations		0.01		0.01		0.01		(0.02	)		(0.01	)
Basic earnings per common share	$	0.36	$	0.62	$	0.56	$	0.48		$	2.01
Diluted
Continuing operations	$	0.35	$	0.61	$	0.55	$	0.49		$	2.00
Discontinued operations		0.01		—		—		(0.02	)		(0.01	)
Diluted earnings per common share	$	0.36	$	0.61	$	0.55	$	0.47		$	1.99

⁽¹⁾Amounts may not total to annual earnings because each quarter and year are calculated separately based on basic and diluted weighted-average common shares outstanding during that period.