USG CORP

CUSIP: 903293BD9 Class: CORP

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q2 2015
Shares 100,000 Value ($000) $100 Avg Close — Range —
Q1 2015
Shares 100,000 Value ($000) $102 Avg Close — Range —