CRDN Ceradyne, Inc. (MM)

Ceradyne, Inc. (NASDAQ: CRDN) expresses its concern and sympathy to the Japanese people as they emerge from this disastrous earthquake.

Ceradyne, through Yamanaka Ceradyne, its recently announced partner, has offered its neutron absorbing enriched boric acid as well as nuclear waste containment materials such as BORTEC®, BORAL® and Boron Carbide in order to help contain radiation from the damaged nuclear reactors.

Ceradyne's Japanese partner, Yamanaka Ceradyne, located in the southern Japanese cities of Kyoto and Shiga, was not directly affected by the earthquake.

About Ceradyne, Inc. Ceradyne develops, manufactures, and markets advanced technical ceramic products and components for defense, industrial, energy, automotive/diesel, and commercial applications. In many high performance applications, products made of advanced technical ceramics meet specifications that similar products made of metals, plastics or traditional ceramics cannot achieve. Advanced technical ceramics can withstand extremely high temperatures, combine hardness with light weight, are highly resistant to corrosion and wear, and often have excellent electrical capabilities, special electronic properties and low friction characteristics. Additional information about the Company can be found at http://www.ceradyne.com.

Forward-Looking Statements Except for the historical information contained herein, this press release 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, 2010 and its Quarterly Reports on Form 10-Q as filed with the U.S. Securities and Exchange Commission.