EXHIBIT 11 SPARTECH CORPORATION AND SUBSIDIARIES COMPUTATION OF NET EARNINGS PER COMMON SHARE (In thousands, except per share amounts) Fiscal Year Ended Oct 28, Oct 30, Oct 31, 2000 1999 1998 NET EARNINGS Basic net earnings applicable to common shares $ 49,907 $ 43,071 $ 33,720 Add: Distributions on Preferred Securities, net of tax 4,990 1,280 - 						 -------- -------- -------- Diluted net earnings $ 54,897 $ 44,351 $ 33,720 ======== ======== ======== WEIGHTED AVERAGE SHARES OUTSTANDING Weighted average common shares outstanding 27,322 27,038 26,807 Add: Shares issuable from assumed exercise of 	Preferred Stock				 3,681 1,075 - Add: Shares issuable from assumed exercise of 	options and warrants 871 1,869 1,802 						 -------- -------- -------- Diluted weighted average common shares 	outstanding 31,874 29,982 28,609 						 ======== ======== ======== NET EARNINGS PER COMMON SHARE Basic $ 1.83 $ 1.59 $ 1.26 ======== ======== =====+ Diluted $ 1.72 $ 1.48 $ 1.18 ======== ======== ======