X0304 4 2012-03-14 0 0000755003 MATERIAL SCIENCES CORP MASC 0001080887 HOHMANN FRANK L III C/O BARBARA NIMS, ESQ. DAVIS POLK & WARDWELL NEW YORK NY 10017 1 0 1 0 Common Stock 2012-03-14 4 S 0 3000 8.70 D 1237812 D Common Stock 2012-03-15 4 S 0 3000 8.56 D 1234812 D Common Stock 2012-03-16 4 S 0 3000 8.37 D 1231812 D Common Stock 5000 I Trust for daughter The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.58 to $8.84, inclusive. The reporting person undertakes to provide to Material Sciences Corporation, any security holder of Material Sciences Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1), (2) and (3) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.43 to $8.73, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.28 to $8.50, inclusive. The reporting person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. /s/ JAMES D. PAWLAK, CFO, attorney in fact 2012-03-16