VOCUS INC

CUSIP: 92858J108 Class: CMN

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q1 2014
Shares 19,951 Value ($000) $266 Avg Close — Range —
Q4 2013
Shares 16,538 Value ($000) $188 Avg Close — Range —
Q3 2013
Shares 10,803 Value ($000) $101 Avg Close — Range —
Q2 2013
Shares 5,741 Value ($000) $60 Avg Close — Range —