COLUMBIA PIPELINE GROUP INC

CUSIP: 198280109 Class: COM

AMICA MUTUAL INSURANCE CO's Holding History (CIK: 0000857508)

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

Q4 2015
Shares 26,949 Value ($000) $539 Avg Close — Range —
Q3 2015
Shares 26,949 Value ($000) $493 Avg Close — Range —