MATERIAL SCIENCES CORP

CUSIP: 576674105 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2013
Shares 160 Value ($000) $2 Avg Close — Range —
Q3 2013
Shares 90 Value ($000) $0 Avg Close — Range —
Q2 2013
Shares 718 Value ($000) $7 Avg Close — Range —