ADE Corporation Schedules Third Quarter Earnings Conference Call for March 2.

WESTWOOD, Mass. -- ADE Corporation (Nasdaq: ADEX), a world leader in measurement, inspection and quality certification systems for silicon wafer production, semiconductor device processing and magnetic data storage will release its third quarter fiscal 2005 financial results for the period ending January 31, 2005 after the market closes on Tuesday, March 1, 2005. ADE will hold a Q3 earnings conference call and webcast on Wednesday, March 2, 2005 at 8:30 a.m. (EST). ADE President and Chief Executive Officer Dr. Chris L. Koliopoulos and Executive Vice President and Chief Financial Officer Brian James will host the conference call.

To participate in the webcast, please visit the "Investor Information" section at the ADE website, located at www.ade.com, fifteen minutes prior to the start of the conference call. This will allow participants the time to download and install any necessary audio software. The software and broadcast can be obtained at no charge to the user. A replay of the call will be available on the website two hours after the completion of the conference call.

About ADE Corporation

ADE Corporation is a leading supplier of production process control and quality certification systems for the semiconductor device, silicon wafer, magnetic data storage, and optics manufacturing industries. The Company's systems measure and inspect a variety of bare silicon and patterned wafers for dimensional parameters, surface defects, particles, and process non-uniformities, analyzing and reporting product quality at critical manufacturing process steps for yield enhancement. To learn more about ADE, visit the Company's Website at http://www.ade.com.