MATTSON TECHNOLOGY INC

CUSIP: 577223100 Class: CMN

WHITEBOX ADVISORS LLC's Holding History (CIK: 0001257391)

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

Q2 2015
Shares 185,725 Value ($000) $622 Avg Close — Range —
Q4 2014
Shares 24,269 Value ($000) $83 Avg Close — Range —
Q2 2014
Shares 337,100 Value ($000) $738 Avg Close — Range —
Q3 2013
Shares 180,500 Value ($000) $431 Avg Close — Range —
Q2 2013
Shares 170,000 Value ($000) $371 Avg Close — Range —