Minntech Corp Watch

from 8-A12G/A 1 page First Amendment to Rights Agreement

from SC 13D 1 page Name Business Address Principal Occupation Andrew P. Cambell 14605 28th Avenue North Minneapolis, Minnesota 55447 Vice President Minntech Corporation R. James Danehy 14605 28th Avenue North Minneapolis, Minnesota 55447 Chief Executive Officer Minntech Corporation Norman Dann 14605 28th Avenue North Minneapolis, Minnesota 55447 Independent Business Consultant Jules L. Fisher 14605 28th Avenue North Minneapolis, Minnesota 55447 Chief Financial Officer Minntech Corporation George Heenan 14605 28th Avenue North Minneapolis, Minnesota 55447 Executive Fellow and Director of Strategic Management University of St. Thomas Amos Heilicher 14605 28th Avenue North Minneapolis, Minnesota 55447 President Advance-Carter and Advance Realty Company Paul Helms 14605 28th Avenue North Minneapolis, Minnesota 55447 Senior Vice President Minntech Corporation William Hope 14605 28th Avenue North Minneapolis, Minnesota 55447 Chairman of the Board Minntech Corporation Robert W. Johnson 14605 28th Avenue North Minneapolis, Minnesota 55447 Vice President Minntech Corporation Malcolm McDonald 14605 28th Avenue North Minneapolis, Minnesota 55447 Senior Vice President Space Center, Inc. Michael P. Petersen 14605 28th Avenue North Minneapolis, Minnesota 55447 Vice President Minntech Corporation Fred L. Shapiro, M.D. 14605 28th Avenue North Minneapolis, Minnesota 55447 Consultant Hennepin Faculty Associates Barbara A. Wrigley 14605 28th Avenue North Minneapolis, Minnesota 55447 Executive Vice President Minntech Corporation

from SC 13D/A 1 page <page> Exhibit 1 Joint Filing Agreement the Undersigned, Kenneth Brimmer, Gary Copperud and Oxboro Medical, Inc., Hereby Agree That, Pursuant to 17 Cfrss.240.13d-1(k)1, This Amendment No. 1 to Schedule 13d Relating to Securities of Minntech Corporation Shall Be Filed on Behalf of Each of Them. Dated: April 9, 2001 /S/ Kenneth Brimmer Kenneth Brimmer /S/ Gary Copperud Gary Copperud Oxboro Medical, Inc. By: /S/ Ramon L. Burton Ramon L. Burton, Chief Financial Officer Page 15 of 15 Pages

from 8-A12G ~50 pages Underwriting agreement