ROFIN SINAR TECHNOLOGIES INC

CUSIP: 775043102 Class: COMMON STOCK

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q4 2015
Shares 28,300 Value ($000) $757 Avg Close — Range —
Q3 2015
Shares 9,900 Value ($000) $256 Avg Close — Range —
Q2 2015
Shares 9,900 Value ($000) $273 Avg Close — Range —
Q1 2015
Shares 9,900 Value ($000) $239 Avg Close — Range —
Q4 2014
Shares 19,000 Value ($000) $546 Avg Close — Range —
Q3 2014
Shares 19,000 Value ($000) $438 Avg Close — Range —