VOCUS INC

CUSIP: 92858J108 Class: CMN

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q1 2014
Shares 709 Value ($000) $9 Avg Close — Range —
Q4 2013
Shares 7,786 Value ($000) $89 Avg Close — Range —
Q3 2013
Shares 37,814 Value ($000) $352 Avg Close — Range —
Q2 2013
Shares 139,443 Value ($000) $1,467 Avg Close — Range —