THORATEC CORP

CUSIP: 885175307 Class: COM NEW

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

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

Q3 2015
Shares 17,050 Value ($000) $1,079 Avg Close — Range —
Q2 2015
Shares 17,030 Value ($000) $759 Avg Close — Range —
Q1 2015
Shares 16,700 Value ($000) $700 Avg Close — Range —
Q4 2014
Shares 18,280 Value ($000) $593 Avg Close — Range —
Q3 2014
Shares 16,100 Value ($000) $430 Avg Close — Range —
Q2 2014
Shares 15,800 Value ($000) $551 Avg Close — Range —
Q1 2014
Shares 15,800 Value ($000) $566 Avg Close — Range —
Q4 2013
Shares 15,800 Value ($000) $578 Avg Close — Range —
Q3 2013
Shares 9,400 Value ($000) $351 Avg Close — Range —