U S G CORP

CUSIP: 903293405 Class: COM NEW

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q1 2018
Shares 50,000 Value ($000) $2,021 Avg Close — Range —
Q1 2014
Shares 25,635 Value ($000) $839 Avg Close — Range —