WESTERN REFNG INC

CUSIP: 959319104 Class: COM

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

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

Q2 2015
Shares 10,290 Value ($000) $449,000 Avg Close — Range —
Q3 2013
Shares 64,431 Value ($000) $1,936,000 Avg Close — Range —
Q2 2013
Shares 36,719 Value ($000) $1,031,000 Avg Close — Range —