Exhibit 4.3 IONICS, INCORPORATED Inducement Non-Qualified Stock Option Agreement This Inducement Non-Qualified Stock Option Agreement (the "Agreement") made as of August 28, 2003 (the "Date of Grant") by and between Ionics, Incorporated, a...Qualified Stock Option Agreement • September 18th, 2003 • Ionics Inc • Special industry machinery, nec • Massachusetts
