DERMA SCIENCES INC

CUSIP: 249827502 Class: COM PAR $.01

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2015
Shares 41,801 Value ($000) $354 Avg Close — Range —
Q4 2014
Shares 41,801 Value ($000) $389 Avg Close — Range —
Q3 2014
Shares 41,622 Value ($000) $347 Avg Close — Range —
Q2 2014
Shares 41,385 Value ($000) $478 Avg Close — Range —
Q1 2014
Shares 36,885 Value ($000) $468 Avg Close — Range —
Q4 2013
Shares 24,785 Value ($000) $268 Avg Close — Range —
Q3 2013
Shares 24,585 Value ($000) $304 Avg Close — Range —
Q2 2013
Shares 23,885 Value ($000) $319 Avg Close — Range —
Q1 2013
Shares 20,142 Value ($000) $243 Avg Close — Range —