
Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010

Net income	$	98,178		$	85,461		$	193,558		$	160,449
Adjustments:
General partner's priority distributions		(20,658	)		(16,579	)		(40,146	)		(32,439	)
General partners' 2% equity ownership		(1,551	)		(1,378	)		(3,068	)		(2,560	)


Limited partners' interest in Net Income		75,969			67,504			150,344			125,450

Less:
Distributions to participating securities		(491	)		(308	)		(961	)		(608	)
Undistributed earnings attributable to participating securities		(591	)		(384	)		(1,191	)		(674	)


Net income available to limited partners	$	74,887		$	66,812		$	148,192		$	124,168

Weighted average limited partner units outstanding – Basic and Diluted		36,776			36,717			36,762			36,704

Basic and Diluted Net Income per limited partner unit (1)	$	2.04		$	1.82		$	4.03		$	3.38

(1)

Diluted EPU gives effect to all dilutive potential common units outstanding during the period using the treasury stock method. Diluted EPU excludes all dilutive potential units calculated under the treasury stock method if their effect is anti-dilutive. For the three and six months ended June 30, 2011, LTIP, SERP and Deferred Compensation Plan units of 392,719 and 400,626, respectively, were considered anti-dilutive. For the three and six months ended June 30, 2010, LTIP units of 210,328 and 206,988, respectively, were considered anti-dilutive.