CRDN Ceradyne, Inc. (MM)

Ceradyne, Inc. (Nasdaq:CRDN) will release financial results for its 2007 first-quarter ended March 31, 2007, before the market open on Friday, April 27, 2007. Management will also conduct a conference call to review the company�s financial results. 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 877-717-3046 (or 706-634-6364 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, 2007. The playback can be accessed by calling 800-642-1687 (or 706-645-9291 for international callers) and providing Conference ID 5503918. 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.