Entity Information

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Economic entity name	Alkermes plc.
CIK	0001520262
Accession number	0001520262-17-000007
Generator	Merrill
SEC filing page	http://www.sec.gov/Archives/edgar/data/1520262/000152026217000007/0001520262-17-000007-index.htm
XBRL Instance	http://www.sec.gov/Archives/edgar/data/1520262/000152026217000007/alks-20161231.xml
XBRL Cloud Viewer	https://edgardashboard.xbrlcloud.com/flex/viewer/XBRLViewer.html#instance=http://www.sec.gov/Archives/edgar/data/1520262/000152026217000007/alks-20161231.xml