MATTSON TECHNOLOGY INC

CUSIP: 577223100 Class: CMN

EAM Investors, LLC's Holding History (CIK: 0001510989)

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

Q4 2014
Shares 918,561 Value ($000) $3,123 Avg Close — Range —
Q3 2013
Shares 681,102 Value ($000) $1,628 Avg Close — Range —
Q2 2013
Shares 705,532 Value ($000) $1,538 Avg Close — Range —