UIL HLDG CORP

CUSIP: 902748102 Class: COMMON STOCK

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q4 2013
Shares 51,400 Value ($000) $1,992,000 Avg Close — Range —
Q3 2013
Shares 75,000 Value ($000) $2,788,000 Avg Close — Range —