MATTSON TECHNOLOGY INC

CUSIP: 577223100 Class: CMN

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q1 2016
Shares 711,951 Value ($000) $2,599 Avg Close — Range —
Q4 2015
Shares 212,572 Value ($000) $750 Avg Close — Range —
Q1 2015
Shares 15,641 Value ($000) $62 Avg Close — Range —