Exhibit 99.3 EXCHANGE AGENCY AGREEMENT as of November 7, 1997 Boston EquiServe, L.P. 150 Royall Street Canton, Massachusetts 02021 Ladies and Gentlemen: High Voltage Engineering Corporation, a Delaware corporation (the "Company"), intends to make an...Exchange Agency Agreement • November 10th, 1997 • High Voltage Engineering Corp • Electrical industrial apparatus • Massachusetts
