SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (AMENDMENT 1) [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended November 2, 2002 Commission file number 1-5911 SPARTECH CORPORATION (Exact name of Registrant as specified in its charter) DELAWARE 43-0761773 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification Number) 120 S. CENTRAL AVENUE; SUITE 1700, CLAYTON, MISSOURI 63105-1705 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (314) 721-4242 Securities registered pursuant to Section 12(d) of the Act: Title of Each Class Name of Each Exchange on Which Registered Common Stock, $.75 par value New York Stock Exchange Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months, and (2) has been subject to such filing requirements for the past 90 days. YES X NO Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. [X] The aggregate market value of the voting stock held by non-affiliates of the Registrant was approximately $469,163,561 on December 31, 2002. There were 29,246,204 total shares of common stock outstanding as of December 31, 2002. Documents incorporated by reference 1) Portions of the 2002 Annual Report to Shareholders are incorporated by reference into Parts I, II and IV. 2) Portions of the Definitive Proxy Statement for the 2003 Annual Meeting of Shareholders are incorporated by reference into Part III. PART I This Form 10-K/A is filed solely to provide Exhibit 13, consisting of pages 11 through 35 and page 37 of Spartech Corporation's 2002 Annual Report to Shareholders, which was inadvertently omitted from Form 10-K as originally filed. Certain portions of Exhibit 13 are incorporated by reference into Item 1. PART II This Form 10-K/A is filed solely to provide Exhibit 13, consisting of pages 11 through 35 and page 37 of Spartech Corporation's 2002 Annual Report to Shareholders, which was inadvertently omitted from Form 10-K as originally filed. Certain portions of Exhibit 13 are incorporated by reference into Items 5, 6, 7, 7A and 8. PART IV Item 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K (c) Exhibits Exhibit 13, consisting of pages 11 through 35 and page 37 of Spartech Corporation's 2002 Annual Report to Shareholders, is filed herewith SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this Amendment 1 to the annual report on Form 10-K to be signed on its behalf by the undersigned, thereunto duly authorized. SPARTECH CORPORATION January 24, 2003 By: /s/Bradley B. Buechler (Date) Bradley B. Buechler Chairman, President and Chief Executive Officer Pursuant to the requirements of the Securities Exchange Act of 1934, this Form 10-K/A has been signed below by the following persons on behalf of the Registrant and in the capacities and on the date indicated. DATE SIGNATURES TITLE January 24, 2003 /s/Bradley B. Buechler Chairman, President, Bradley B. Buechler Chief Executive Officer, and Director (Principal Executive Officer) January 24, 2003 /s/ Randy C. Martin Executive Vice President and Randy C. Martin Chief Financial Officer and Director (Principal Financial and Accounting Officer) January 24, 2003 /S/ Ralph B. Andy* Director Ralph B. Andy January 24, 2003 Director Lloyd E. Campbell January 24, 2003 /S/ Calvin J. O'Connor* Director Calvin J. O'Connor January 24, 2003 Director Jackson W. Robinson January 24, 2003 /S/ Richard B. Scherrer* Director Richard B. Scherrer January 24, 2003 /S/Craig A. Wolfanger* Director Craig A. Wolfanger * By Bradley B. Buechler as Attorney-in-Fact pursuant to Powers of Attorney executed by the Directors listed above, which Powers of Attorney are filed herewith. /s/Bradley B. Buechler Bradley B. Buechler As Attorney-in-Fact CERTIFICATIONS I, Bradley B. Buechler, Chairman, President, and Chief Executive Officer of Spartech Corporation, certify that: 1. I have reviewed this Amendment 1 to the annual report on Form 10-K (Form 10-K/A) of Spartech Corporation; 2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statement were made, not misleading with respect to the period covered by this annual report; 3. Based on my knowledge, the financial statements, and other financial information included in this annual report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the period presented in this annual report; 4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and have: a) Designed such disclosure controls and procedures to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this annual report is being prepared; b) Evaluated the effectiveness of the registrant's disclosure controls and procedures as of a date within 90 days prior to the filing date of this annual report (the "Evaluation Date"); and c) Presented in this annual report our conclusions about the effectiveness of the disclosure controls and procedures based on our evaluation as of the Evaluation Date; 5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent functions): a) All significant deficiencies in the design or operation of internal controls which could adversely affect the registrant's auditors any material weakness in internal controls; and b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal controls; and 6. The registrant's other certifying officer and I have indicated in this annual report whether there were significant changes in internal controls or in other factors that could significantly affect internal controls subsequent to the date of our most recent evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses. January 24, 2003 By: /s/Bradley B. Buechler (Date) Bradley B. Buechler Chairman, President and Chief Executive Officer Spartech Corporation CERTIFICATIONS I, Randy C. Martin, Executive Vice President and Chief Financial Officer of Spartech Corporation, certify that: 1. I have reviewed this Amendment 1 to the annual report on Form 10-K (Form 10-K/A) of Spartech Corporation; 2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statement were made, not misleading with respect to the period covered by this annual report; 3. Based on my knowledge, the financial statements, and other financial information included in this annual report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the period presented in this annual report; 4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and have: a) Designed such disclosure controls and procedures to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this annual report is being prepared; b) Evaluated the effectiveness of the registrant's disclosure controls and procedures as of a date within 90 days prior to the filing date of this annual report (the "Evaluation Date"); and c) Presented in this annual report our conclusions about the effectiveness of the disclosure controls and procedures based on our evaluation as of the Evaluation Date; 5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent functions): a) All significant deficiencies in the design or operation of internal controls which could adversely affect the registrant's auditors any material weakness in internal controls; and b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal controls; and 6. The registrant's other certifying officer and I have indicated in this annual report whether there were significant changes in internal controls or in other factors that could significantly affect internal controls subsequent to the date of our most recent evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses. January 24, 2003 By: /s/Randy C. Martin (Date) Randy C. Martin Executive Vice President and Chief Financial Officer Spartech Corporation CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned certifies that this periodic report fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in this Amendment 1 to the annual report on Form 10-K(Form 10-K/A) fairly presents, in all material respects, the financial condition and results of operations of Spartech Corporation. Date: January 24, 2003 /s/ Bradley B. Buechler Bradley B. Buechler Chairman, President and Chief Executive Officer /s/Rancy C. Martin Randy C. Martin Executive Vice President and Chief Financial Officer