DERMA SCIENCES INC

CUSIP: 249827502 Class: COM PAR $.01

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2016
Shares 72,997 Value ($000) $380 Avg Close — Range —
Q3 2016
Shares 74,121 Value ($000) $346 Avg Close — Range —
Q2 2016
Shares 52,535 Value ($000) $207 Avg Close — Range —
Q1 2016
Shares 45,449 Value ($000) $141 Avg Close — Range —
Q4 2015
Shares 42,649 Value ($000) $195 Avg Close — Range —
Q3 2015
Shares 34,006 Value ($000) $160 Avg Close — Range —
Q2 2015
Shares 29,206 Value ($000) $209 Avg Close — Range —
Q1 2015
Shares 19,736 Value ($000) $167 Avg Close — Range —