UNS ENERGY CORP

CUSIP: 903119105 Class: COM

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

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

Q3 2013
Shares 187,500 Value ($000) $8,741,000 Avg Close — Range —
Q2 2013
Shares 139,622 Value ($000) $6,245,000 Avg Close — Range —