SPARTECH FINALIZES LOCATION OF NEW TECHNOLOGY AND INNOVATION CENTER

ST. LOUIS, April 26, 2010 - Spartech Corporation (NYSE:SEH), a leading producer of plastic sheet, compounds, and packaging products, announced the location of its new technology and innovation center in the St. Louis area. The 90,000 square foot facility is located at 11650 Lakeside Crossing Ct, Maryland Heights, Missouri and will include a full complement of technology and lab capabilities to support Spartech's advancement of integrated technologies in material science, extrusion technologies, and packaging products.

As reported in a release in early March, this new facility will leverage Spartech's existing knowledge of materials, extrusion, forming and design by connecting approximately 40 material scientists, processing engineers, and commercial development specialists with our customers to promote growth and innovation. Spartech's new Technology and Innovation Center will be designed specifically to provide our current and future customers with a unique opportunity to work with our expanded technology team on advanced thermoplastics and polymers, new product applications, and innovative processing capabilities to create solutions for a broad array of end markets.

"Our new facility, scheduled to open in late summer 2010, will significantly expand our existing research facilities and offer us greater capabilities and resources with people dedicated to development and innovation," said Janet Mann, Senior Vice President Custom Sheet and Rollstock and Chief Technology Officer. "This location was chosen with our customers in mind, only minutes from the St. Louis airport and our corporate offices that will allow us to conveniently conduct trials, ideation sessions, and training sessions with our customers."

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Spartech Corporation is a leading producer of plastic products including polymeric compounds, concentrates, custom extruded sheet and rollstock products, and packaging technologies for a wide spectrum of customers. The Company's three business segments, which operate facilities in the United States, Mexico, Canada, and France, annually process approximately one billion pounds of plastic resins, specialty plastic alloys, and color and specialty compounds.

Forward-Looking Statements
This press release may contain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements relate to future events and expectations and include statements containing such words as "anticipates," "believes," "estimates," "expects," "intends," "may," "would," "should," "will," "will likely result," "forecast," "outlook," "projects," and similar expressions. Forward-looking statements are based on management's current expectations and include known and unknown risks, uncertainties and other factors, many of which management is unable to predict or control, that may cause actual results, performance or achievements to differ materially from those expressed or implied in the forward-looking statements. These risks and uncertainties include, but are not limited to, those risk and uncertainties described in Spartech's most recent Annual Report on Form 10-K under "Cautionary Statement Concerning Forward-Looking Statements" and "Risk Factors." These reports can be accessed through the "Investors" section of Spartech's website at www.spartech.com. Spartech assumes no responsibility to update forward looking statements, except as required by law.