DERMA SCIENCES INC

CUSIP: 249827502 Class: COM PAR $.01

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q3 2015
Shares 1,002,201 Value ($000) $4,720 Avg Close — Range —
Q2 2015
Shares 968,881 Value ($000) $6,937 Avg Close — Range —
Q1 2015
Shares 991,040 Value ($000) $8,394 Avg Close — Range —
Q4 2014
Shares 721,546 Value ($000) $6,718 Avg Close — Range —
Q3 2014
Shares 554,057 Value ($000) $4,615 Avg Close — Range —
Q2 2014
Shares 517,900 Value ($000) $5,987 Avg Close — Range —
Q1 2014
Shares 300,000 Value ($000) $3,804 Avg Close — Range —