U S G Corp

WELLINGTON MANAGEMENT GROUP LLP

Report date

3/31/2014

Quarter

2014 Q1

Filed

5/15/2014

Shares

181,935

Value ($000)

5,953

Weight

0.0%

2013 Q4 - 2014 Q1 (2 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2014 Q1	5/15/2014	5,953	0.0%	181,935	3/31/2014
2013 Q4	2/14/2014	5,387	0.0%	189,835	12/31/2013