U S G CORP

CUSIP: 903293405 Class: COM NEW

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q2 2017
Shares 7,700 Value ($000) $223 Avg Close — Range —
Q1 2017
Shares 7,700 Value ($000) $245 Avg Close — Range —
Q4 2016
Shares 7,700 Value ($000) $222 Avg Close — Range —
Q3 2016
Shares 7,600 Value ($000) $196 Avg Close — Range —
Q2 2016
Shares 7,900 Value ($000) $213 Avg Close — Range —
Q1 2016
Shares 8,000 Value ($000) $198 Avg Close — Range —