X0306 4 2012-12-12 0 0000077597 SPARTECH CORP SEH 0001229521 ANDY RALPH B C/O SPARTECH CORPORATION 120 S. CENTRAL AVENUE, SUITE 1700 CLAYTON MO 63105 1 0 0 0 Common Stock 75484 D Common Stock 350261 I By Corporation / Limited Partnership Restricted Stock Units 2012-12-12 4 A 0 5580 A Common Stock 5580 5580 D Reporting person owns 100% of the common stock in a corporation which owns a .1% general partnership interest in a limited partnership. The limited partnership owns 350,261 shares of Spartech Corporation common stock. The reporting person has sole investment and voting power over these shares as President and sole shareholder of the corporation which is general partner of the limited partnership. As such the reporting person is reporting 100% of the holdings of the limited partnership pursuant to Instruction 4(b)(iv) of Form 4. Each restricted stock unit represents a right to receive one share of Spartech Corporation common stock at a future date. The reporting person is not required to make a cash payment in order to receive the shares of common stock. The restricted stock units are immediately vested. The vested shares will be delivered to the reporting person after the reporting person's service on Spartech Corporation's board of directors has ended. /s/ Randy C. Ridenhour, Power of Attorney for Ralph B. Andy 2012-12-14