Exhibit 24.1
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13D
with respect to the shares of Common Stock, par value $.01 per
share, of Penton Media, Inc., a Delaware corporation
("Penton"), dated October 2 , 2000, and any amendments thereto,
executed by or on behalf of the undersigned, in accordance with and
pursuant to the power of attorney set forth below or otherwise, is
and shall be filed jointly on behalf of the undersigned, pursuant to
and in accordance with the provisions of Rule 13d-1(f) under the
Securities Exchange Act of 1934.
This agreement may be executed in separate counterparts by each
of the undersigned, each of which shall be an original but all of
which, taken together, shall constitute one and the same instrument.
It shall not be necessary that each of the undersigned sign any one
counterpart.
POWER OF ATTORNEY
The undersigned individuals hereby constitute and appoint King
W. Harris, Jerome Kahn, Jr., Jack Polsky, Michael Resnick and Edward
J. Schwartz and each of them individually, his true and lawful
attorneys-in-fact and agents for him in his name, place and stead,
to sign any and all initial filings on Schedule 13D under the
Securities and Exchange Act of 1934, and any amendments thereto,
relating to the securities of Penton and to file the same with the
Securities and Exchange Commission and hereby grant to such
attorneys-in-fact and agents, and each of them individually, full
power and authority to do and perform each and every act and thing
requisite and necessary to be done, as fully as to all intents and
purposes as he might or could do, hereby ratifying and confirming
all that such attorneys-in-fact and agents, or any of them, may
lawfully do or cause to be done by virtue hereof in connection with
such filings. This power of attorney shall expire on December 31,
2010.
Dated: October 2, 2000
The Summer Fund
by:
Jack Polsky, Vice President
The Sidney Barrows and June H. Barrows Foundation
By: ____________________________________
Jerome Kahn, Jr., Assistant Secretary
The David M. Wark and Mary Ann Barrows Wark Foundation
By: ____________________________________
Jack Polsky, as Secretary
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