signatures Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, Pioneer- Standard Electronics, Inc. has duly caused this Annual Report on Form 10-K to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Cleveland, State of Ohio, on June 19, 2003. PIONEER-STANDARD ELECTRONICS, INC. Arthur Rhein Chairman, President, Chief Executive Officer and Director Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been signed below by the following persons on behalf of the Registrant and in the capacities as of June 19, 2003. Chairman, President, Chief Executive Officer and Director (Principal Executive Officer) Executive Vice President, Treasurer and Chief Financial Officer (Principal Financial and Accounting Officer) Director Director Director Director Director Director Director Director /s/ THOMAS C. SULLIVAN Thomas C. Sullivan /s/ ROBERT G. MCCREARY, III Robert G. McCreary, III /s/ ROBERT A. LAUER Robert A. Lauer /s/ KEITH M. KOLERUS Keith M. Kolerus /s/ HOWARD V. KNICELY Howard V. Knicely /s/ THOMAS A. COMMES Thomas A. Commes /s/ CHARLES F. CHRIST Charles F. Christ /s/ JAMES L. BAYMAN James L. Bayman /s/ STEVEN M. BILLICK Steven M. Billick /s/ ARTHUR RHEIN Arthur Rhein /s/ ARTHUR RHEIN By: Signature Title 21