Ceradyne, Inc. Named 2006 Growth Company of the Year at NAIC's BetterInvesting National Convention


COSTA MESA, Calif.--Sept. 7, 2006--Ceradyne, Inc. (Company) (Nasdaq:CRDN) Chief Financial Officer Jerrold J. Pellizzon today accepted on behalf of the Company the 2006 Growth Company of the Year Award from the National Association of Investors Corporation (NAIC) at its BetterInvesting National Convention being held September 7-10 at the Hyatt Regency Columbus Hotel in Columbus, Ohio.

James Johnson, a director of the National Investors Association advisory board, which sponsors the annual BetterInvesting convention, presented the award to Mr. Pellizzon, who gave a brief acceptance speech.

The Growth Company of the Year award has been presented annually since 1952 to U.S. companies representing the principles of American free enterprise. Companies are nominated on the basis of sales and earnings growth, product and service excellence, and outstanding management and employee and public relations. Past award winners include Cisco Systems, EMC, Home Depot, McDonald's, Philip Morris, Stryker Corporation, and Walmart Stores.

Founded in 1951, NAIC is a non-profit organization that has provided investment information and education to more than five million individual investors and investment clubs. NAIC's members earn an average annual income of $114,100, and more than 72% of these members hold a college or post-graduate degree. Members hold stock for an average four years, and their investment portfolios combined total more than $117 billion. NAIC members altogether invest approximately $131 million of new money each month.

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.

CONTACT:
Ceradyne, Inc.
Joel Moskowitz
714-549-0421, x8261
or
Silverman Heller Associates
Dan Matsui/Gene Heller
310-208-2550

All Topics