DERMA SCIENCES INC

CUSIP: 249827502 Class: COM PAR $.01

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2016
Shares 4,300 Value ($000) $20 Avg Close — Range —
Q2 2016
Shares 5,800 Value ($000) $23 Avg Close — Range —