Item 7.01 Regulation FD Disclosure.

On May 19, 2009, Ceradyne, Inc. issued a press release announcing that, in accordance with the French legal process, its ESK Ceramics France subsidiary ("ESK France") is presenting to the local employees' representatives a plan for closing its manufacturing plant in Bazet, France, effective later this year. As a result, it is anticipated that ESK France will reduce its workforce by approximately 95 employees. The total pre-tax charges relating to this corporate restructuring are estimated to be in the range of approximately $11.0 to $13.0 million, including non-cash pre-tax charges of approximately $2.2 million relating primarily to assets that will be written off or disposed of in connection with the closure of the facility. The majority of these pre-tax charges will be accrued during the second quarter of 2009. A copy of the complete press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number Description
99.1 Press release of Ceradyne, Inc. dated May 19, 2009.