Ceradyne,

Headquartered in Costa Mesa, California, Ceradyne Inc. is a fully integrated developer and manufacturer of advanced technical ceramic products and components for defense, industrial, nuclear power, oil and gas, solar energy, electronic, automotive/transportation and medical markets. The unique characteristics of advanced technical ceramics—hardness, light weight, ability to withstand extremely high temperatures, resistance to wear and corrosion, low friction, and special electrical properties—offer significant advantages over traditional materials such as metals and plastics. As a result, Ceradyne continues to develop new uses for ceramics and offers a diversified line of high performance ceramic products for a wide range of markets. Ceradyne Operating Divisions Advanced Ceramic Operations – Costa Mesa and Irvine, California Advanced Ceramic Operations – Lexington, Kentucky Ceradyne Armor Systems Inc. – Washington, D.C. Ceradyne Boron Products LLC – Quapaw, Oklahoma Ceradyne Canada ULC – Chicoutimi, Quebec, Canada Ceradyne Ceramics India PVT.LTD. – Bangalore, India Ceradyne Diaphorm – Salem, New Hampshire ESK Ceramics – Kempten, Germany Max Pro-Police & Armor – Mountain Green, Utah Minco Inc. – Midway, Tennessee Thermo Materials – Atlanta, Georgia Tianjin Technical Ceramics – Beijing, China SemEquip Inc. – N Billerica, Massachusetts Semicon Associates – Lexington, Kentucky Vehicle Armor Systems – Wixom, Michigan