U S G CORP

CUSIP: 903293405 Class: COM NEW

ONTARIO TEACHERS PENSION PLAN BOARD's Holding History (CIK: 0000937567)

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

Q1 2017
Shares 105,000 Value ($000) $3,339 Avg Close — Range —
Q4 2016
Shares 135,000 Value ($000) $3,899 Avg Close — Range —
Q3 2016
Shares 80,000 Value ($000) $2,068 Avg Close — Range —
Q2 2015
Shares 19,950 Value ($000) $554 Avg Close — Range —
Q1 2015
Shares 22,700 Value ($000) $606 Avg Close — Range —