MATTSON TECHNOLOGY INC

CUSIP: 577223100 Class: CMN

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q4 2015
Shares 12,459 Value ($000) $44 Avg Close — Range —
Q3 2015
Shares 148,000 Value ($000) $345 Avg Close — Range —
Q2 2015
Shares 150,600 Value ($000) $505 Avg Close — Range —
Q1 2015
Shares 150,600 Value ($000) $593 Avg Close — Range —