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Spartech Appoints Mann to Lead Sheet Business

Spartech Corporation (NYSE: SEH), a leading producer of plastics materials and packaging, announced that Janet Mann has been named the Senior Vice President Custom Sheet and Rollstock and Chief Technology Officer. Ms. Mann is now permanently appointed to lead the Sheet Business, a role that she has served on an interim basis since February 2010. Ms. Mann will continue with responsibility for the company's technology organization focusing on Spartech's advancement and growth of integrated technologies in material science, extrusion technologies, and packaging products.

Ms. Mann has more than 30 years of in-depth management and leadership experience in the specialty chemicals and plastics industries. Upon starting with the Company in June 2008, she has been providing strategic direction in all aspects of Spartech's technology, marketing, and commercial excellence working very closely with the management team of the Sheet business in this role. Earlier in March, Spartech announced the formation of a new technology center in St. Louis that is scheduled to open this summer. Ms. Mann will be providing the oversight for Spartech's technology growth platforms and the development of an expanded technology team located at the new Technology and Innovation Center. This team will be working on advanced thermoplastics and polymers, new product applications, and innovative processing capabilities to create solutions for a broad array of end markets.

Spartech's President and Chief Executive Officer, Myles S. Odaniell, commented, "Janet brings strong leadership experience, extensive industry knowledge, and a proven track record of delivering results. We expect she will leverage these skills with her technology expertise to drive growth and performance in our core Sheet business. We look forward to Janet's contributions in this expanded role that will focus on strategic growth and commercial excellence in our Sheet group and technological innovations across all our operating segments."

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, including 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.