Exhibit L
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of
1934, as amended, the persons named below agree to the joint filing on behalf of
each of them of the Schedule 13D (and any further amendment filed by them) with
respect to the common stock, par value $.10 per share, of Plenum Publishing
Corporation.
PPC ACQUISITION CORP.
By: /s/ Xxxxxxx X. Xxxxx
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Name: Xxxxxxx X. Xxxxx
Title: President
KLUWER BOSTON, INC.
By: /s/ Xxxxxxx X. Xxxxx
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Name: Xxxxxxx X. Xxxxx
Title: President
WOLTERS KLUWER U.S. CORPORATION
By: /s/ Xxxxx X. van Wel
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Name: Xxxxx X. van Wel
Title: President and CEO
WOLTERS KLUWER nv
By: /s/ Xxxxx X. van Wel
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Name: Xxxxx X. van Wel
Title: Member, Executive Board
Dated: July 10, 1998
