ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

BALDWIN BROTHERS LLC/MA's Holding History (CIK: 0001021258)

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

Q4 2015

Shares 3,695 Value ($000) $291 Avg Close $70.02 Range $54.36 - $80.71

Q3 2015

Shares 3,695 Value ($000) $217 Avg Close $66.02 Range $53.01 - $73.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	3,695	$291	$70.02	$54.36 - $80.71
Q3 2015	3,695	$217	$66.02	$53.01 - $73.33