ROFIN SINAR TECHNOLOGIES INC

CUSIP: 775043102 Class: COMMON STOCK

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2016
Shares 35,495 Value ($000) $1,142 Avg Close — Range —
Q2 2016
Shares 7,065 Value ($000) $226 Avg Close — Range —
Q1 2016
Shares 7,168 Value ($000) $231 Avg Close — Range —
Q3 2015
Shares 2,600 Value ($000) $67 Avg Close — Range —
Q2 2015
Shares 200 Value ($000) $6 Avg Close — Range —