MATERIAL SCIENCES CORP

CUSIP: 576674105 Class: COM

SHEPHERD KAPLAN KROCHUK, LLC's Holding History (CIK: 0001218583)

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

Q3 2013
Shares 67,996 Value ($000) $638 Avg Close — Range —
Q2 2013
Shares 68,000 Value ($000) $684 Avg Close — Range —