CRDN Ceradyne, Inc. (MM)

Ceradyne, Inc. (Company) (Nasdaq:CRDN) will release financial results for first-quarter 2006 before the market open on Thursday, April 27, 2006. The Company will also conduct a teleconference to review the results for the quarter, discuss 2006 and make initial comments on 2007. Any investor or interested individual can listen to the teleconference, which is scheduled to begin at 8 a.m. PDT (11 a.m. EDT) on April 27. To participate in the teleconference, please call toll-free 877-869-7690 (or 706-758-0239 for international callers) approximately 10 minutes prior to the above start time. You may also listen to the teleconference live via the Internet at www.ceradyne.com or www.earnings.com. For those unable to attend, these web sites will host an archive of the call. A telephone playback will be available beginning at 11:30 a.m. PDT on April 27 through 9 p.m. PDT on April 29, 2006. The playback can be accessed by calling 800-642-1687 (or 706-645-9291 for international callers) and providing Conference ID 7650243. 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.