<PAGE>
POWER OF ATTORNEY
The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 2000, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.
IN WITNESS WHEREOF, I have hereunto set my hand this 13th day of
November, 2000.
/s/ Alan L. Ockene
--------------------------------
Alan L. Ockene
<PAGE>
POWER OF ATTORNEY
The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 2000, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.
IN WITNESS WHEREOF, I have hereunto set my hand this 13th day of
November, 2000.
/s/ Dr. Peggy Gordon Elliott
--------------------------------------
Dr. Peggy Gordon Elliott
<PAGE>
POWER OF ATTORNEY
The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 2000, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.
IN WITNESS WHEREOF, I have hereunto set my hand this 13th day of
November, 2000.
/s/ Dr. Paul Craig Roberts
--------------------------------------
Dr. Paul Craig Roberts
<PAGE>
POWER OF ATTORNEY
The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 2000, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.
IN WITNESS WHEREOF, I have hereunto set my hand this 13th day of
November, 2000.
/s/ Rene C. Rombouts
--------------------------------------
Rene C. Rombouts
<PAGE>
POWER OF ATTORNEY
The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 2000, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.
IN WITNESS WHEREOF, I have hereunto set my hand this 23rd day of
November, 2000.
/s/ Willard R. Holland
--------------------------------------
Willard R. Holland
<PAGE>
POWER OF ATTORNEY
The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 2000, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.
IN WITNESS WHEREOF, I have hereunto set my hand this 20th day of
November, 2000.
/s/ James A. Karman
--------------------------------------
James A. Karman
<PAGE>
POWER OF ATTORNEY
The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 2000, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.
IN WITNESS WHEREOF, I have hereunto set my hand this 13th day of
November, 2000.
/s/ James S. Marlen
--------------------------------------
James S. Marlen
<PAGE>
POWER OF ATTORNEY
The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 2000, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.
IN WITNESS WHEREOF, I have hereunto set my hand this 13th day of
November, 2000.
/s/ John B. Yasinsky
--------------------------------------
John B. Yasinsky
<PAGE>
POWER OF ATTORNEY
The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 2000, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.
IN WITNESS WHEREOF, I have hereunto set my hand this 15th day of
November, 2000.
/s/ Joseph M. Gingo
--------------------------------------
Joseph M. Gingo
