CUBIST PHARMACEUTICALS

CUSIP: 229678AE7 Class: CONV

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q1 2014
Shares 26,123,000 Value ($000) $30,978 Avg Close — Range —
Q4 2013
Shares 24,123,000 Value ($000) $27,832 Avg Close — Range —
Q3 2013
Shares 30,040,000 Value ($000) $32,624 Avg Close — Range —