Material Sciences Corporation Launches Online E-Store to Meet Demand for RV and Marine Products

ELK GROVE VILLAGE, Ill.--April 14, 2004--Material Sciences Corporation , Electronic Materials and Devices Group, Inc. (EMD) has launched an online E-Store to open an additional channel to market for its recreational vehicle and marine liquid level sensing systems. MSC-EMD's products are already available at aftermarket boat retailers such as West Marine and Boaters World and RV distributors Bell Industries and Arrow Distribution. The new E-store offers a quick and easy purchasing option for customers who don't have close proximity to these retailers.

The following products will be available at www.msc-emd.com:

SensaTank(TM) RV 100 and SensaTank(TM) Marine 100: System uses patented digital Field Effect sensors to accurately measure and display fluid levels inside grey, fresh and black water holding tanks. Both models sell for $199.99.

SensaSwitch 12 Electronic Bilge Controller: Highly reliable self-contained bilge pump control system. Handles 12V pumps to 12-amp. Sells for $37.95.

SensaSwitch 20 Electronic Bilge Controller: Highly reliable self-contained bilge pump control system. Handles 12V pumps to 20-amp. Sells for $41.95.

Electronic Materials and Devices Group, Inc. is a subsidiary of Material Sciences Corporation located in Elk Grove Village, IL in suburban Chicago. EMD supplies the automotive, recreational vehicle, marine, and consumer electronics markets with reliable and solid state products based on patented field effect technology:

-- Sensors - liquid level, position, proximity, speed

-- Load bearing touch switches

-- Innovative touch controls for user interfaces

        EMD sells a range of standard products to solve specific
        problems in target industries and works with OEM's to design
        custom products that meet the exact needs of applications.

        Information about Material Sciences Corporation, Electronic
        Materials and Devices Group Inc. is available at
        www.msc-emd.com.

Material Sciences Corporation is a leading provider of materials-based solutions for electronic, acoustical/thermal, and coated metal applications. MSC uses its expertise in materials, which it leverages through relationships and a network of partners, to solve customer-specific problems, overcoming technical barriers and enhancing performance. MSC differentiates itself on the basis of its strong customer orientation, knowledge of materials combined with a deep understanding of its markets, and the offer of specific value propositions that define how it will create and share economic value with its customers. Economic Value Added (EVA(R)) is MSC's primary financial management and incentive compensation measure. The company's stock is traded on the New York Stock Exchange under the symbol MSC and is included in the Standard & Poor's SmallCap 600 Index.