UBS AG

BAHNHOFSTRASSE 45, ZURICH, , CH 8001, (203) 719-5241

Report Date: 03/31/2012

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	Change (%)	Shares Held
SIRIUS XM RADIO INC	COM	464,496,497	461,675,954	16,368.34	233,415,325
UBS AG	SHS NEW	871,191,056	(255,471,817)	(22.68)	74,460,774
BANK OF AMERICA CORPORATION	COM	373,566,221	223,189,588	148.42	52,101,286
GENERAL ELECTRIC CO	COM	392,910,912	49,654,450	14.47	20,485,449
INTEL CORP	COM	502,210,938	58,840,125	13.27	19,740,996
MICROSOFT CORP	COM	520,054,866	(15,024,428)	(2.81)	17,865,162
AT&T INC	COM	492,856,970	37,037,606	8.13	14,773,890
CISCO SYS INC	COM	233,685,619	(42,859,186)	(15.5)	14,001,535
PFIZER INC	COM	298,933,610	22,191,835	8.02	13,532,531
JPMORGAN CHASE & CO	COM	444,157,603	40,716,879	10.09	12,964,320
PROMOTORA DE INFORMACIONES SA	ADR CL B CONV	39,611,050	(5,629,026)	(12.44)	12,902,622
GT ADVANCED TECHNOLOGIES INC	COM	46,792,093	2,429,308	5.48	11,035,871
CORNING INC	COM	136,651,400	72,768,338	113.91	10,700,971
FORD MTR CO DEL	COM PAR $0.01	94,172,764	(99,145,131)	(51.29)	9,046,375
EXXON MOBIL CORP	COM	732,646,406	48,085,695	7.02	8,930,356
SPDR S&P 500 ETF TR	TR UNIT	1,168,189,461	(123,486,478)	(9.56)	8,831,855
NRG ENERGY INC	COM NEW	128,739,941	(7,719,794)	(5.66)	8,215,695
JOHNSON & JOHNSON	COM	517,968,523	70,458,737	15.75	8,186,637
BLACKSTONE GROUP L P	COM UNIT LTD	95,794,873	698,105	.73	7,949,782
LIVE NATION ENTERTAINMENT INC	COM	72,710,413	70,903,430	3,923.86	7,743,388