CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q4 2014

Shares 24,590 Value ($000) $2,475 Avg Close — Range —

Q3 2014

Shares 21,300 Value ($000) $1,413 Avg Close — Range —

Q2 2014

Shares 20,500 Value ($000) $1,431 Avg Close — Range —

Q1 2014

Shares 20,500 Value ($000) $1,500 Avg Close — Range —

Q4 2013

Shares 20,300 Value ($000) $1,398 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	24,590	$2,475	—	—
Q3 2014	21,300	$1,413	—	—
Q2 2014	20,500	$1,431	—	—
Q1 2014	20,500	$1,500	—	—
Q4 2013	20,300	$1,398	—	—