VOCUS INC

CUSIP: 92858J108 Class: CMN

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

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

Q1 2014
Shares 19,015 Value ($000) $253 Avg Close — Range —
Q3 2013
Shares 11,929 Value ($000) $111 Avg Close — Range —
Q2 2013
Shares 13,429 Value ($000) $141 Avg Close — Range —