DERMA SCIENCES INC

CUSIP: 249827502 Class: COM PAR $.01

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2016
Shares 278 Value ($000) $1 Avg Close — Range —
Q3 2016
Shares 778 Value ($000) $3 Avg Close — Range —
Q1 2016
Shares 3,518 Value ($000) $10 Avg Close — Range —
Q3 2015
Shares 100 Value ($000) $0 Avg Close — Range —