ROFIN SINAR TECHNOLOGIES INC

CUSIP: 775043102 Class: COMMON STOCK

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

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

Q1 2016
Shares 389,404 Value ($000) $12,547 Avg Close — Range —
Q4 2015
Shares 811,298 Value ($000) $21,727 Avg Close — Range —
Q3 2015
Shares 840,216 Value ($000) $21,787 Avg Close — Range —
Q2 2015
Shares 822,184 Value ($000) $22,692 Avg Close — Range —
Q1 2015
Shares 841,155 Value ($000) $20,381 Avg Close — Range —
Q4 2014
Shares 844,724 Value ($000) $24,303 Avg Close — Range —
Q3 2014
Shares 884,397 Value ($000) $20,394 Avg Close — Range —
Q2 2014
Shares 875,237 Value ($000) $21,041 Avg Close — Range —
Q1 2014
Shares 828,161 Value ($000) $19,843 Avg Close — Range —
Q4 2013
Shares 813,829 Value ($000) $21,990 Avg Close — Range —
Q3 2013
Shares 784,667 Value ($000) $18,997 Avg Close — Range —
Q2 2013
Shares 665,492 Value ($000) $16,597 Avg Close — Range —