ROFIN SINAR TECHNOLOGIES INC

CUSIP: 775043102 Class: COMMON STOCK

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q2 2015
Shares 94,942 Value ($000) $2,620 Avg Close — Range —
Q1 2015
Shares 95,343 Value ($000) $2,310 Avg Close — Range —
Q4 2014
Shares 151,109 Value ($000) $4,347 Avg Close — Range —
Q3 2014
Shares 216,788 Value ($000) $4,999 Avg Close — Range —
Q2 2014
Shares 97,112 Value ($000) $2,335 Avg Close — Range —
Q1 2014
Shares 120,715 Value ($000) $2,892 Avg Close — Range —
Q4 2013
Shares 47,625 Value ($000) $1,286 Avg Close — Range —
Q3 2013
Shares 21,387 Value ($000) $518 Avg Close — Range —
Q2 2013
Shares 21,756 Value ($000) $542 Avg Close — Range —