ESK NEWS

Ceradyne, Inc. Elects Dr. Sieg- fried Müssig to Its Board of Directors
September 2, 2011

COSTA MESA, CA -- (MARKET WIRE) -- 09/02/11 -- At a recent meeting of Ceradyne, Inc. (NASDAQ: CRDN) Board of Directors, Dr. Siegfried Müssig was unanimously elected to its Board of Directors and the company's Technology Committee.

SUPERIOR MATERIALS

Industrial manufacturing processes can make extreme demands of materials. Technical ceramics from ESK have a proven track record over decades with properties that are clearly superior to those of other materials.

BORON CARBIDE (B4C) BORON CARBIDE (B4C)

>Additives, powders, grains >Antioxidants >Ballistic protection based on ceramic >Nozzles >Custom developments

BORON NITRIDE (BN) BORON NITRIDE (BN)

>Additives, powders, grains >Nozzles >Casting accessories >Components for plant engineering >Cosmetic powders >Custom developments >Release agents & lubricants >Accessories for the glass industry

CALCIUM HEXABORIDE (CaB6) CALCIUM HEXABORIDE (CaB6)

>Additives, powders, grains >Antioxidants >Deoxidants >Custom developments

ELECTROLESS NICKEL ELECTROLESS NICKEL

>Surface engineering >Frictional connection elements

ELECTROLESS NICKEL DISPERSION ELECTROLESS NICKEL DISPERSION

>Surface engineering >Frictional connection elements

COMPOSITE CERAMICS COMPOSITE CERAMICS

>Breaking & casting nozzles >Custom developments >Evaporation boats

SILICON CARBIDE (SIC) SILICON CARBIDE (SiC)

>Ballistic protection based on ceramic >Sealing components >Nozzles >Components for plant engineering >Custom developments >Bearing components >Microreactors >Heat exchanger

SILICON NITRIDE (Si3N4) SILICON NITRIDE (Si3N4)

>Sealing components >Casting accessories >Components for plant engineering >Custom developments >Tubes

TITANIUM DIBORIDE (TiB2) TITANIUM DIBORIDE (TiB2)

>Additives, powders, grains >Custom developments

ZIRCONIUM DIBORIDE (ZrB2) ZIRCONIUM DIBORIDE (ZrB2)

>Additives, powders, grains >Antioxidants >Custom developments