CUBIST PHARMACEUTICALS INC

CUSIP: 229678AD9 Class: CNV

Kohlberg Kravis Roberts & Co. L.P.'s Holding History (CIK: 0001399770)

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

Q3 2013
Shares 3,000,000 Value ($000) $6,898 Avg Close — Range —
Q2 2013
Shares 2,500,000 Value ($000) $4,516 Avg Close — Range —