Ceradyne, Inc. to Speak at the American Ceramic Society’s Ceramic Leadership Summit

Ceradyne, Inc. (Nasdaq: CRDN) Chief Executive Officer Joel P. Moskowitz is scheduled to speak at The American Ceramic Society’s Ceramic Leadership Summit to be held at the Hyatt Regency in Baltimore, Maryland, on June 21 - 22, 2010.

Mr. Moskowitz will be a keynote speaker in the opening general session beginning at 10:00 a.m. EDT on Monday, June 21. The session will address emerging business and technology opportunities and challenges for the ceramics community. Perspectives on economic, political, societal, technological, and environmental opportunities and challenges over the next five to ten years will be presented.

Information about Ceradyne, Inc.

Ceradyne develops, manufactures, and markets advanced technical ceramic products and components for defense, industrial, 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 therein, Mr. Moskowitz's speech may contain 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, 2009 and its Quarterly Reports on Form 10-Q as filed with the U.S. Securities and Exchange Commission.