MATTSON TECHNOLOGY INC

CUSIP: 577223100 Class: CMN

SOUTHPORT MANAGEMENT, L.L.C.'s Holding History (CIK: 0001549553)

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

Q2 2015
Shares 39,333 Value ($000) $132 Avg Close — Range —
Q1 2015
Shares 39,333 Value ($000) $155 Avg Close — Range —