MATTSON TECHNOLOGY INC

CUSIP: 577223100 Class: CMN

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2016
Shares 1,442,469 Value ($000) $5,265 Avg Close — Range —
Q4 2015
Shares 1,442,469 Value ($000) $5,092 Avg Close — Range —
Q3 2015
Shares 1,442,098 Value ($000) $3,360 Avg Close — Range —
Q2 2015
Shares 1,265,196 Value ($000) $4,238 Avg Close — Range —
Q1 2015
Shares 800,671 Value ($000) $3,155 Avg Close — Range —
Q4 2014
Shares 659,379 Value ($000) $2,242 Avg Close — Range —
Q3 2014
Shares 437,161 Value ($000) $1,080 Avg Close — Range —
Q2 2014
Shares 407,655 Value ($000) $893 Avg Close — Range —
Q1 2014
Shares 764,622 Value ($000) $1,774 Avg Close — Range —
Q4 2013
Shares 1,094,888 Value ($000) $3,000 Avg Close — Range —
Q3 2013
Shares 1,109,112 Value ($000) $2,651 Avg Close — Range —
Q2 2013
Shares 1,124,127 Value ($000) $2,451 Avg Close — Range —