Ceradyne, Inc. to Webcast Presentation to Analysts and Institutional Investors

Ceradyne, Inc.

(NASDAQ: CRDN) will webcast a presentation -- titled Ceradyne - Energized for Growth -- to be given to analysts and institutional investors at Ceradyne's Investment Reception at the New York Palace Hotel at 3:30 p.m. EST on January 10, 2011.

The presentation by Chief Executive Officer Joel P. Moskowitz and Chief Financial Officer Jerrold J. Pellizzon will address a variety of topics, including:

Ceradyne's vision for the next five years:

• Solar (photovoltaic) ceramic crucibles
• Bearings and other downhole ceramic products for oil and gas drilling
• Newly developed ceramic chemical microreactors and heat exchangers
• Nuclear containment products using our boron isotope 10B
• Defense products

Parties interested in attending the Ceradyne Investment Reception are to contact Nancy Olave at [e-mail] or Janie Lusk at [e-mail].

One may listen to the webcast live by accessing the Investor Relations page of Ceradyne's website, www.ceradyne.com, where the presentation will be archived.

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 presentation 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.