ROFIN SINAR TECHNOLOGIES INC

CUSIP: 775043102 Class: COMMON STOCK

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q3 2016

Shares 46,200 Value ($000) $1,487 Avg Close — Range —

Q2 2016

Shares 46,200 Value ($000) $1,476 Avg Close — Range —

Q1 2016

Shares 46,200 Value ($000) $1,489 Avg Close — Range —

Q4 2015

Shares 46,200 Value ($000) $1,237 Avg Close — Range —

Q3 2015

Shares 29,329 Value ($000) $761 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	46,200	$1,487	—	—
Q2 2016	46,200	$1,476	—	—
Q1 2016	46,200	$1,489	—	—
Q4 2015	46,200	$1,237	—	—
Q3 2015	29,329	$761	—	—