DERMA SCIENCES INC

CUSIP: 249827502 Class: COM PAR $.01

ORBIMED ADVISORS LLC's Holding History (CIK: 0001055951)

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

Q1 2015

Shares 300,000 Value ($000) $2,541 Avg Close — Range —

Q4 2014

Shares 300,000 Value ($000) $2,793 Avg Close — Range —

Q3 2014

Shares 300,000 Value ($000) $2,499 Avg Close — Range —

Q2 2014

Shares 300,000 Value ($000) $3,468 Avg Close — Range —

Q1 2014

Shares 300,000 Value ($000) $3,804 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	300,000	$2,541	—	—
Q4 2014	300,000	$2,793	—	—
Q3 2014	300,000	$2,499	—	—
Q2 2014	300,000	$3,468	—	—
Q1 2014	300,000	$3,804	—	—