Ceradyne, Inc. at Needham & Company Seventh Annual Growth Conference; Presentation to Include Strategic Update.

COSTA MESA, Calif. -- Ceradyne, Inc. (Nasdaq:CRDN) Chief Financial Officer Jerrold Pellizzon will speak at Needham & Company's Seventh Annual Growth Conference to be held January 10-14, 2005, at the New York Palace Hotel in New York City.

Pellizzon will discuss Ceradyne's business, growth strategy -- including an update on armor and other product lines--and outlook during a 30-minute presentation scheduled for Tuesday, January 11, at 2:30 p.m. EST. The presentation will be web cast live at www.ceradyne.com and http://www.wsw.com/webcast/needham10/crdn/ and archived for 60 days on those sites.

Ceradyne develops, manufactures and markets advanced technical ceramic products and components for defense, industrial, automotive/diesel and commercial applications. Additional information about the Company can be found at www.ceradyne.com.

Except for historical information contained therein, the presentation contains forward-looking statements regarding future events and the future performance of Ceradyne that involve risks and uncertainties that could cause actual results to differ materially from those projected. Words such as "anticipates," "believes," "plans," "expects," "intends," "future" and similar expressions are intended to identify forward-looking statements. These risks and uncertainties are described in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2003, and its Quarterly Report on Form 10-Q for the quarter ended September 30, 2004, as filed with the U.S. Securities and Exchange Commission.