CUBIST PHARMACEUTICALS INC

CUSIP: 229678123 Class: COMMON

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q1 2015
Shares 46,100 Value ($000) $3 Avg Close — Range —
Q4 2014
Shares 46,100 Value ($000) $3 Avg Close — Range —
Q3 2014
Shares 46,100 Value ($000) $5 Avg Close — Range —
Q2 2014
Shares 46,100 Value ($000) $5 Avg Close — Range —
Q1 2014
Shares 46,100 Value ($000) $25 Avg Close — Range —
Q4 2013
Shares 46,100 Value ($000) $63 Avg Close — Range —