WEST CORP

CUSIP: 952355204 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 7,116 Value ($000) $214,000 Avg Close — Range —
Q4 2014
Shares 10,901 Value ($000) $360,000 Avg Close — Range —