MATERIAL SCIENCES CORP

CUSIP: 576674105 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q4 2013
Shares 27,000 Value ($000) $319 Avg Close — Range —
Q3 2013
Shares 27,000 Value ($000) $253 Avg Close — Range —
Q2 2013
Shares 27,000 Value ($000) $272 Avg Close — Range —