EXHIBIT 11 SPARTECH CORPORATION AND SUBSIDIARIES STATEMENT RE COMPUTATION OF PER SHARE EARNINGS (In thousands, except per share amounts) QUARTER ENDED SIX MONTHS ENDED May 4, April 29, May 4, April 29, 1996 1995 1996 1995 NET EARNINGS Net Earnings $ 4,775 $ 3,950 $ 8,561 $ 7,075 Less: Preferred stock dividend requirements - (549) - (1,098) Primary net earnings applicable to common shares 4,775 3,401 8,561 5,977 Add: Preferred stock accretion elimination resulting from the assumed conversion of preferred stock - 549 - 1,098 Fully diluted net earnings applicable to common shares $ 4,775 $ 3,950 $ 8,561 $ 7,075 WEIGHTED AVERAGE SHARES OUTSTANDING Weighted average common shares outstanding 23,419 8,734 23,387 8,708 Add: Shares issuable from assumed exercise of options (in excess of the 20% limitation for 1995) 1,184 832 1,069 770 Primary weighted average shares outstanding 24,603 9,566 24,456 9,478 Add: Shares issuable from assumed conversion of preferred stock - 14,275 - 14,275 Additional shares issuable from assumed exercise of options (in excess of the 20% limitation in 1995) due to the difference in the share repurchase price under the fully diluted computation 176 178 303 233 Fully diluted weighted average shares outstanding 24,779 24,019 24,759 23,986 NET EARNINGS PER SHARE Primary $ .19 $ .36 $ .35 $ .63 Fully Diluted $ .19 $ .16 $ .35 $ .29 NOTE: Prior to May 1, 1995, Primary and Fully Diluted Net Earnings Per Common Share were computed using the Modified Treasury Stock Method. Due to the 1995 conversion of the Company's Preferred Stockholders, the Treasury Stock Method was used to compute Primary and Fully Diluted Net Earnings Per Common Share for 1996.