CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2014
Shares 36,300 Value ($000) $3,654 Avg Close — Range —
Q3 2014
Shares 35,900 Value ($000) $2,382 Avg Close — Range —
Q2 2014
Shares 35,500 Value ($000) $2,479 Avg Close — Range —
Q1 2014
Shares 35,200 Value ($000) $2,575 Avg Close — Range —
Q4 2013
Shares 34,700 Value ($000) $2,390 Avg Close — Range —
Q3 2013
Shares 30,400 Value ($000) $1,932 Avg Close — Range —