MATTSON TECHNOLOGY INC

CUSIP: 577223100 Class: CMN

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q1 2016
Shares 298,848 Value ($000) $1,091 Avg Close — Range —
Q4 2015
Shares 336,994 Value ($000) $1,190 Avg Close — Range —
Q3 2015
Shares 242,718 Value ($000) $566 Avg Close — Range —
Q2 2015
Shares 258,741 Value ($000) $867 Avg Close — Range —
Q1 2015
Shares 520,850 Value ($000) $2,052 Avg Close — Range —
Q4 2014
Shares 336,693 Value ($000) $1,145 Avg Close — Range —
Q3 2014
Shares 77,095 Value ($000) $190 Avg Close — Range —
Q2 2014
Shares 149,756 Value ($000) $328 Avg Close — Range —
Q1 2014
Shares 214,442 Value ($000) $498 Avg Close — Range —
Q4 2013
Shares 295,584 Value ($000) $810 Avg Close — Range —
Q3 2013
Shares 147,821 Value ($000) $354 Avg Close — Range —
Q2 2013
Shares 184,504 Value ($000) $402 Avg Close — Range —