ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q4 2015

Shares 808,347 Value ($000) $64,167 Avg Close $70.02 Range $54.36 - $80.71

Q3 2015

Shares 732,482 Value ($000) $42,975 Avg Close $66.02 Range $53.01 - $73.33

Q2 2015

Shares 16,665 Value ($000) $1,072 Avg Close $61.20 Range $54.54 - $68.23

Q1 2015

Shares 9,035 Value ($000) $551 Avg Close $68.32 Range $57.31 - $75.17

Q4 2014

Shares 13,940 Value ($000) $816 Avg Close $50.94 Range $38.49 - $59.69

Q3 2014

Shares 13,775 Value ($000) $591 Avg Close $44.82 Range $41.02 - $52.50

Q2 2014

Shares 16,775 Value ($000) $844 Avg Close $46.12 Range $40.30 - $51.81

Q1 2014

Shares 15,800 Value ($000) $697 Avg Close $47.58 Range $39.68 - $54.25

Q4 2013

Shares 181,589 Value ($000) $7,383 Avg Close $36.93 Range $29.36 - $41.47

Q3 2013

Shares 144,631 Value ($000) $4,862 Avg Close $32.55 Range $27.72 - $35.72

Q2 2013

Shares 14,402 Value ($000) $413 Avg Close $29.15 Range $22.17 - $34.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	808,347	$64,167	$70.02	$54.36 - $80.71
Q3 2015	732,482	$42,975	$66.02	$53.01 - $73.33
Q2 2015	16,665	$1,072	$61.20	$54.54 - $68.23
Q1 2015	9,035	$551	$68.32	$57.31 - $75.17
Q4 2014	13,940	$816	$50.94	$38.49 - $59.69
Q3 2014	13,775	$591	$44.82	$41.02 - $52.50
Q2 2014	16,775	$844	$46.12	$40.30 - $51.81
Q1 2014	15,800	$697	$47.58	$39.68 - $54.25
Q4 2013	181,589	$7,383	$36.93	$29.36 - $41.47
Q3 2013	144,631	$4,862	$32.55	$27.72 - $35.72
Q2 2013	14,402	$413	$29.15	$22.17 - $34.30