Ceradyne, Inc. will release financial results for the third quarter ended September 30, 2003, on October 29, 2003. The company will also hold a teleconference to review the results and update its financial and strategic outlook for the remainder of 2003 and 2004. Any interested individual can listen to the teleconference, which is scheduled to begin at 8 a.m. PST (11 a.m. EST). To participate in the teleconference, call (877) 869-7690 or (706) 634-1478 (for international callers) approximately 10 minutes prior to the start time.

A telephone playback will be available for 48 hours beginning at 11 a.m. PST on October 29. The playback can be accessed by calling (800) 642-1687 or (706) 645-9291; the conference ID is 3331296. The teleconference will be also featured live online at http://www.ceradyne.com or http://www.FullDisclosure.com ; for those unable to attend, these websites will host an archive of the call.