U S G CORP

CUSIP: 903293405 Class: COM NEW

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

Note: Option positions (PUT/CALL) are excluded.

Q3 2015
Shares 9,500 Value ($000) $253 Avg Close — Range —
Q1 2015
Shares 57,699 Value ($000) $1,541 Avg Close — Range —
Q1 2014
Shares 27,581 Value ($000) $902 Avg Close — Range —
Q4 2013
Shares 40,478 Value ($000) $1,149 Avg Close — Range —