All notices and other communications required or permitted hereunder shall be in writing and shall be deemed to have been given when hand-delivered or sent over night by a nationally recognized courier service as follows: If to the Company : MISONIX, INC., 1938 New Highway, Farmingdale, NY 11735, Att: Richard A. Zaremba, with a copy to Joel I. Frank, Esq., Wilk Auslander LLP, 1515 Broadway, New York NY 10036. If to Employee : Michael A. McManus, Jr., 100 White Plains Road, Bronxville, New York 10708, with a copy, which shall not constitute notice, to Robert N. Holtzman, Esq., Kramer Levin Naftalis & Frankel LLP, 1177 Avenue of the Americas, New York, New York 10036.