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This Amendment No. 19 amends and supplements the Schedule 13D filed with the Securities and Exchange Commission (the “SEC”) on June 6, 2005, as amended by that certain Amendment No. 1 filed with the SEC on July 1, 2005, that certain Amendment No. 2 filed with the SEC on August 3, 2005, that certain Amendment No. 3 filed with the SEC on August 25, 2005, that certain Amendment No. 4 filed with the SEC on September 8, 2005, that certain Amendment No. 5 filed with the SEC on September 13, 2005, that certain Amendment No. 6 filed with the SEC on September 28, 2005, that certain Amendment No. 7 filed with the SEC on October 11, 2005, that certain Amendment No. 8 filed with the SEC on October 25, 2006, that certain Amendment No. 9 filed with the SEC on May 30, 2006, that certain Amendment No. 10 filed with the SEC on June 1, 2006, that certain Amendment No. 11 filed with the SEC on September 28, 2006, that certain Amendment No. 12 filed with the SEC on October 10, 2006, that certain Amendment No. 13 filed with the SEC on October 12, 2006, that certain Amendment No. 14 filed with the SEC on October 26, 2006, that certain Amendment No. 15 filed with the SEC on November 7, 2006, that certain Amendment No. 16 filed with the SEC on April 4, 2007, that certain Amendment No. 17 filed with the SEC on August 13, 2007 and that certain Amendment No. 18 filed with the SEC on October 9, 2007 (collectively, the “Statement”), by and on behalf of Barington Companies Equity Partners, L.P. (“Barington”) and others with respect to the common stock, par value $1.00 per share (the “Common Stock”), of A. Schulman, Inc., a Delaware corporation (the “Company”). The principal executive offices of the Company are located at 3550 West Market Street, Akron, Ohio 44333.

On October 25, 2007, Barington and Barington Companies Offshore Fund, Ltd. delivered a letter to the Company demanding, pursuant to Section 220 of the Delaware General Corporation Law and the common law of the State of Delaware, a listing of the Company’s stockholders and copies of certain books and records of the Company in order to enable Barington and Barington Companies Offshore Fund, Ltd. to investigate and communicate with the Company’s stockholders regarding matters relating to their mutual interests as stockholders, including, without limitation, the use of corporate assets, the levels and types of compensation, perquisites and benefits provided to directors and executive officers of the Company, the nature of any family, business or personal relationships between the Company’s executive officers and directors, and certain decisions by the Board or its committees regarding the foregoing matters or otherwise affecting Board oversight, the management of the Company or other interests of stockholders.