	Ownership Interest at March 31, 2013	March 31, 2013		December 31, 2012
NGL Pipelines & Services:
Venice Energy Service Company, L.L.C.	13.1%	$	29.9	$	29.6
K/D/S Promix, L.L.C.	50%		46.2		46.9
Baton Rouge Fractionators LLC	32.2%		20.3		20.2
Skelly-Belvieu Pipeline Company, L.L.C.	50%		38.7		38.2
Texas Express Pipeline LLC	35%		196.2		144.4
Texas Express Gathering LLC	45%		25.4		20.9
Front Range Pipeline LLC	33.3%		55.4		24.4
Onshore Natural Gas Pipelines & Services:
White River Hub, LLC	50%		24.6		24.9
Onshore Crude Oil Pipelines & Services:
Seaway Crude Pipeline Company LLC	50%		463.6		341.4
Eagle Ford Pipeline LLC	50%		196.7		152.4
Offshore Pipelines & Services:
Poseidon Oil Pipeline Company, L.L.C. ("Poseidon")	36%		46.2		47.3
Cameron Highway Oil Pipeline Company	50%		212.2		220.0
Deepwater Gateway, L.L.C.	50%		88.8		90.0
Neptune Pipeline Company, L.L.C.	25.7%		45.6		46.8
Southeast Keathley Canyon Pipeline Company L.L.C.	50%		116.2		74.9
Petrochemical & Refined Products Services:
Baton Rouge Propylene Concentrator, LLC	30%		8.2		8.5
Centennial Pipeline LLC ("Centennial")	50%		61.9		60.8
Other (1)	Various		2.9		3.0
Total		$	1,679.0	$	1,394.6

(1) Other unconsolidated affiliates include a 50% interest in a propylene pipeline extending from Mont Belvieu, Texas to La Porte, Texas and a 25% interest in a company that provides logistics communications solutions between petroleum pipelines and their customers.

The following table presents our equity in income (loss) of unconsolidated affiliates by business segment for the periods presented:

	For the Three Months
	Ended March 31,
	2013			2012
NGL Pipelines & Services	$	3.9		$	5.2
Onshore Natural Gas Pipelines & Services		1.0			1.4
Onshore Crude Oil Pipelines & Services		36.6			0.5
Offshore Pipelines & Services		6.4			6.9
Petrochemical & Refined Products Services		(3.4	)		(6.5	)
Other Investments		--			2.4
Total	$	44.5		$	9.9

The following table presents our unamortized excess cost amounts by business segment at the dates indicated:

	March 31, 2013		December 31, 2012
NGL Pipelines & Services	$	28.6	$	28.9
Onshore Crude Oil Pipelines & Services		18.3		18.5
Offshore Pipelines & Services		13.3		13.6
Petrochemical & Refined Products Services		2.7		2.7
Total	$	62.9	$	63.7

The following table presents our amortization of excess cost amounts by business segment for the periods presented:

	For the Three Months
	Ended March 31,
	2013		2012
NGL Pipelines & Services	$	0.3	$	0.2
Onshore Crude Oil Pipelines & Services		0.2		0.2
Offshore Pipelines & Services		0.3		0.3
Petrochemical & Refined Products Services		--		0.1
Other Investments		--		0.3
Total	$	0.8	$	1.1

The following table presents unaudited income statement information (on a 100% basis for the periods presented) of our unconsolidated affiliates, aggregated by the business segments to which they relate:

	Summarized Income Statement Information for the Three Months Ended
	March 31, 2013								March 31, 2012
			Operating			Net					Operating			Net
	Revenues		Income (Loss)			Income (Loss)			Revenues		Income (Loss)			Income (Loss)
NGL Pipelines & Services	$	83.4	$	15.3		$	15.2		$	110.9	$	27.0		$	27.0
Onshore Natural Gas Pipelines & Services		2.9		1.9			1.9			30.9		2.6			2.6
Onshore Crude Oil Pipelines & Services		78.5		71.7			67.9			12.3		0.8			0.8
Offshore Pipelines & Services		42.3		18.0			17.3			41.1		19.1			18.4
Petrochemical & Refined Products Services		6.0		(3.9	)		(5.8	)		5.4		(9.4	)		(11.4	)