INNERWORKINGS INC

CUSIP: 45773Y105 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q1 2015
Shares 10,000 Value ($000) $67 Avg Close — Range —
Q4 2014
Shares 10,000 Value ($000) $78 Avg Close — Range —
Q3 2014
Shares 10,000 Value ($000) $81 Avg Close — Range —
Q2 2014
Shares 10,000 Value ($000) $85 Avg Close — Range —
Q1 2014
Shares 10,000 Value ($000) $77 Avg Close — Range —
Q4 2013
Shares 10,000 Value ($000) $78 Avg Close — Range —
Q3 2013
Shares 10,000 Value ($000) $98 Avg Close — Range —
Q2 2013
Shares 10,000 Value ($000) $109 Avg Close — Range —