[SPARTECH LOGO]

Company Contacts:
Bradley B. Buechler                Randy C. Martin
Chairman, President and            Executive Vice President
Chief Executive Officer            Corporate Development and CFO
(314) 721-4242                     (314) 721-4242


For Immediate Release
Tuesday, December 14, 2004

                  SPARTECH ANNOUNCES APPOINTMENT OF NEW MEMBER

                            TO ITS BOARD OF DIRECTORS

     ST. LOUIS, December 14, 2004 -- Spartech Corporation (NYSE-SEH) announced
today that its Board of Directors elected Ms. Pamela F. Lenehan as a member of
the Board effective immediately.  Ms. Lenehan is the President of Ridge Hill
Consulting, LLC, a strategy and financial consulting firm.  Previously, Ms.
Lenehan was Vice President and Chief Financial Officer of a start up
manufacturer of voice and data switching equipment and spent five years as
Senior Vice President-Corporate Development and Treasurer for Oak Industries,
Inc., a manufacturer of telecommunications components.  She also spent 21 years
in the financial services industry, starting her career at Chase Manhattan Bank
and then serving as a Managing Director of Investment Banking at Credit Suisse
First Boston.

     Spartech's Chairman, President and Chief Executive Officer, Bradley B.
Buechler, stated,  "It is with great pleasure that I announce Pam's addition to
Spartech's Board of Directors.  She has distinguished herself in her career with
30 years of experience in both financial strategy and manufacturing and will be
a welcomed addition to our board.  Her involvement in developing and managing
strategy within growing companies will compliment our current Growth Strategy
which calls for Investing in.People, Products, Technology, and Globalization."

     Ms. Lenehan is a member of the Board of Directors of Avid Technology
(NASDAQ:AVID), a manufacturer of solutions to make, manage, and distribute
media, and The Center for Women & Enterprise, a non-profit organization.  She
graduated with a BA in Mathematical Economics and an MA in Economics from Brown
University.  She resides in Needham, Massachusetts.

     Spartech Corporation is a leading producer of engineered thermoplastic
materials, polymeric compounds, and molded & profile products, which has 51
facilities located throughout the United States, Canada, Mexico, and Europe,
which recently reported it's 2004 sales and net earnings of $1.1 billion and
$42.1 million, respectively.

Safe Harbor For Forward-Looking Statements
     Statements contained herein which are not historical facts are forward-
looking statements within the meaning of the Securities Act of 1933 and the
Securities Exchange Act of 1934 which are intended to be covered by the safe
harbors created thereby.  For a summary of important facts which could cause the
Company's actual results to differ materially from those included in, or
inferred by, the forward-looking statements, refer to the Company's Form 10-K
for the fiscal year ended November 1, 2003, which is on file with the Securities
and Exchange Commission.

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