MEDICINES CO

CUSIP: 584688AC9 Class: 1.38% 06/01/17

Wellesley Asset Management's Holding History (CIK: 0001533551)

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

Q1 2014
Shares 624 Value ($000) $762 Avg Close — Range —
Q4 2013
Shares 640 Value ($000) $963 Avg Close — Range —