Ceramic Industry

Ceradyne to Release First Quarter Results Next Week (posted 4/24/09)

April 24, 2009

Ceradyne, Inc. will release financial results for its first quarter ended March 31, 2009, before the market open on April 28, 2009. Management will also conduct a conference call to review the company’s financial results and the outlook for 2009.

Any investor or interested individual can listen to the teleconference, which is scheduled to begin at 8:00 a.m. PDT (11:00 a.m. EDT). To participate in the teleconference, call (877) 717-3046 or (706) 634-6364 approximately 10 minutes prior to the start time and provide conference ID 96359101.

Interested parties can also listen to the teleconference live via the Internet at www.ceradyne.com or www.earnings.com. For those unable to attend, the sites will host an archive of the call.