TORTOISE CAPITAL ADVISORS, L.L.C.

11550 ASH STREET, SUITE 300, LEAWOOD, Kansas, 66211, (913) 981-1020

Report Date: 03/31/2013

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

Company	Class	Value of Shares ($1,000s)	Change in Value ($1,000s)	Change (%)	Shares Held
ENTERPRISE PRODS PARTNERS L P	COM	857,383	54,118	6.74	13,925,339
PLAINS ALL AMERN PIPELINE L P	UNIT LTD PARTN	822,020	26,075	3.28	14,177,646
MAGELLAN MIDSTREAM PRTNRS LP	COM UNIT RP LP	755,387	20,753	2.83	14,540,655
EL PASO PIPELINE PARTNERS L P	COM UNIT LPI	507,610	5,756	1.15	11,755,676
SUNOCO LOGISTICS PRTNRS L P	COM UNITS	501,124	128,575	34.51	8,186,957
REGENCY ENERGY PARTNERS L P	COM UNITS L P	418,786	10,989	2.70	16,194,337
ENERGY TRANSFER PRTNRS L P	UNIT LTD PARTN	414,296	-65,281	(13.61)	8,226,680
ACCESS MIDSTREAM PARTNERS L P	UNIT	408,326	46,993	13.01	9,373,864
WILLIAMS PARTNERS L P	COM UNIT L P	387,717	-217,093	(35.89)	7,447,494
ENERGY TRANSFER EQUITY L P	COM UT LTD PTN	355,272	95,685	36.86	6,012,382
WESTERN GAS PARTNERS LP	COM UNIT LP IN	350,886	22,577	6.88	5,733,435
BUCKEYE PARTNERS L P	UNIT LTD PARTN	336,348	55,373	19.71	5,092,320
KINDER MORGAN ENERGY PARTNERS	UT LTD PARTNER	309,318	-165,889	(34.91)	3,499,865
MARKWEST ENERGY PARTNERS L P	UNIT LTD PARTN	307,906	14,181	4.83	4,568,340
KINDER MORGAN MANAGEMENT LLC	SHS	301,329	-2,547	(0.84)	3,494,889
DCP MIDSTREAM PARTNERS LP	COM UT LTD PTN	289,730	75,293	35.11	5,774,969
ONEOK PARTNERS LP	UNIT LTD PARTN	287,641	-75,618	(20.82)	5,485,149
WILLIAMS COS INC DEL	COM	284,094	173,722	157.40	7,634,884
TARGA RESOURCES PARTNERS LP	COM UNIT	266,804	-39,676	(12.95)	5,505,645
BOARDWALK PIPELINE PARTNERS LP	UT LTD PARTNER	249,497	3,955	1.61	7,996,712