MEDICINES CO

CUSIP: 584688105 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q3 2013
Shares 11,400 Value ($000) $382 Avg Close — Range —
Q2 2013
Shares 11,400 Value ($000) $351 Avg Close — Range —
Q1 2013
Shares 100,860 Value ($000) $3,370 Avg Close — Range —
Q3 2012
Shares 369 Value ($000) $10 Avg Close — Range —