MATTSON TECHNOLOGY INC

CUSIP: 577223100 Class: CMN

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

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

Q1 2016
Shares 731,200 Value ($000) $2,669 Avg Close — Range —
Q4 2015
Shares 781,200 Value ($000) $2,758 Avg Close — Range —
Q3 2015
Shares 781,200 Value ($000) $1,820 Avg Close — Range —
Q2 2015
Shares 888,100 Value ($000) $2,975 Avg Close — Range —
Q1 2015
Shares 580,100 Value ($000) $2,286 Avg Close — Range —
Q4 2014
Shares 580,100 Value ($000) $1,972 Avg Close — Range —
Q3 2014
Shares 289,100 Value ($000) $714 Avg Close — Range —
Q2 2014
Shares 289,100 Value ($000) $633 Avg Close — Range —
Q1 2014
Shares 290,050 Value ($000) $673 Avg Close — Range —
Q4 2013
Shares 231,050 Value ($000) $633 Avg Close — Range —
Q3 2013
Shares 230,100 Value ($000) $550 Avg Close — Range —
Q2 2013
Shares 230,100 Value ($000) $504 Avg Close — Range —