COLUMBIA LABS INC

CUSIP: 197779200 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q1 2015
Shares 100 Value ($000) $1 Avg Close — Range —
Q4 2014
Shares 1,433 Value ($000) $8 Avg Close — Range —
Q1 2014
Shares 1,436 Value ($000) $10 Avg Close — Range —
Q4 2013
Shares 118 Value ($000) $1 Avg Close — Range —
Q3 2013
Shares 1,016 Value ($000) $7 Avg Close — Range —