WEST CORP

CUSIP: 952355204 Class: COM

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q1 2015
Shares 7,438 Value ($000) $251 Avg Close — Range —
Q4 2014
Shares 8,190 Value ($000) $270 Avg Close — Range —
Q3 2014
Shares 15,204 Value ($000) $448 Avg Close — Range —
Q2 2014
Shares 18,653 Value ($000) $500 Avg Close — Range —
Q1 2014
Shares 21,569 Value ($000) $516 Avg Close — Range —
Q3 2013
Shares 13,481 Value ($000) $299 Avg Close — Range —