CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q4 2014
Shares 210,200 Value ($000) $21,157 Avg Close — Range —
Q4 2013
Shares 386,282 Value ($000) $26,603 Avg Close — Range —
Q3 2013
Shares 554,000 Value ($000) $35,207 Avg Close — Range —
Q2 2013
Shares 695,000 Value ($000) $33,562 Avg Close — Range —