EXHIBIT 4.2 SUPPLEMENTAL INDENTURE SUPPLEMENTAL INDENTURE (this "Supplemental Indenture") dated as of August 17, 2001, by and between Asyst Technologies, Inc., a California corporation (the "Company") and State Street Bank and Trust Company of...Supplemental Indenture • September 21st, 2001 • Asyst Technologies Inc /Ca/ • Special industry machinery, nec • New York
