COLUMBIA PIPELINE GROUP INC

CUSIP: 198280109 Class: COM

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

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

Q2 2016
Shares 592,800 Value ($000) $15,110 Avg Close — Range —
Q1 2016
Shares 355,600 Value ($000) $8,926 Avg Close — Range —
Q4 2015
Shares 11,400 Value ($000) $228 Avg Close — Range —
Q3 2015
Shares 11,400 Value ($000) $209 Avg Close — Range —