ROFIN SINAR TECHNOLOGIES INC

CUSIP: 775043102 Class: COMMON STOCK

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

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

Q3 2016
Shares 6,290 Value ($000) $202 Avg Close — Range —
Q2 2016
Shares 6,190 Value ($000) $198 Avg Close — Range —
Q1 2016
Shares 6,080 Value ($000) $196 Avg Close — Range —
Q4 2015
Shares 5,700 Value ($000) $153 Avg Close — Range —
Q3 2015
Shares 5,420 Value ($000) $141 Avg Close — Range —
Q2 2015
Shares 5,360 Value ($000) $148 Avg Close — Range —
Q1 2015
Shares 5,300 Value ($000) $128 Avg Close — Range —
Q4 2014
Shares 7,200 Value ($000) $207 Avg Close — Range —
Q3 2014
Shares 7,200 Value ($000) $166 Avg Close — Range —
Q2 2014
Shares 6,800 Value ($000) $163 Avg Close — Range —
Q1 2014
Shares 6,800 Value ($000) $163 Avg Close — Range —