MATTSON TECHNOLOGY INC

CUSIP: 577223100 Class: CMN

Engineers Gate Manager LP's Holding History (CIK: 0001620220)

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

Q2 2015
Shares 28,942 Value ($000) $97 Avg Close — Range —
Q1 2015
Shares 112,733 Value ($000) $444 Avg Close — Range —
Q4 2014
Shares 17,124 Value ($000) $58 Avg Close — Range —