JOINT FILING AGREEMENTJoint Filing Agreement • April 9th, 2001 • Brimmer Kenneth
Contract Type FiledApril 9th, 2001 CompanyThe 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.