AGREEMENT TO TENDERStockholders Agreement • December 22nd, 1999 • Harris Irving B/Harris Neison/Harris William W Trust/ Et Al • Delaware
Exhibit 24.1 JOINT FILING AGREEMENT The undersigned hereby agree that the statement on Schedule 13D with respect to the shares of Class A Common Stock, par value $1.00 per share, of Pittway Corporation, a Delaware corporation ("Pittway"), dated March...Joint Filing Agreement • March 16th, 1999 • Harris Irving B/Harris Neison/Harris William W Trust/ Et Al
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.
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 August 28 , 2000,...Joint Filing Agreement • August 28th, 2000 • Harris Irving B/Harris Neison/Harris William W Trust/ Et Al
JOINT FILING AGREEMENT FOR CLASS A STOCK The undersigned hereby agree that the statement on Schedule 13D with respect to the shares of Class A Stock, of the par value of $1.00 per share, of Pittway Corporation, a Delaware corporation ("Pittway"), and...Joint Filing Agreement • December 23rd, 1999 • Harris Irving B/Harris Neison/Harris William W Trust/ Et Al
Exhibit 24.1 JOINT FILING AGREEMENT The undersigned hereby agree that the statement on Schedule 13D with respect to the shares of Class A Common Stock, par value $1.00 per share, of Pittway Corporation, a Delaware corporation ("Pittway"), dated...Joint Filing Agreement • February 14th, 2000 • Harris Irving B/Harris Neison/Harris William W Trust/ Et Al
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.
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 AptarGroup, Inc., a Delaware corporation ("AptarGroup"), dated January 16,...Joint Filing Agreement • January 16th, 1997 • Harris Irving B/Harris Neison/Harris William W Trust/ Et Al
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.
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 August 11, 1998,...Joint Filing Agreement • August 12th, 1998 • Harris Irving B/Harris Neison/Harris William W Trust/ Et Al
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 ATTORNEYJoint Filing Agreement • August 12th, 1998 • Harris Irving B/Harris Neison/Harris William W Trust/ Et Al
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.
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,...Joint Filing Agreement • October 2nd, 2000 • Harris Irving B/Harris Neison/Harris William W Trust/ Et Al
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, 20
