Cabot Superior MicroPowders Names Greg Romney General Manager of Electrochemical Materials

December 18, 2003
(Boston, MA and Albuquerque, NM) - December 18, 2003 -- Cabot Corporation (NYSE: CBT) announced today the appointment of Greg Romney to the position of General Manager, Electrochemical Materials, Cabot Superior MicroPowders (CSMP www.cabotsmp.com). In his new position, Mr. Romney will direct the development, manufacture and supply of advanced materials to the fuel cell and battery industries.

"We are pleased to have Greg join us," said Mark Hampden-Smith, General Manager of CSMP. "Greg's demonstrated knowledge of the sector and talent in developing new, commercially successful businesses is ideal for this role in further establishing CSMP's leadership position in the fuel cell and battery industries."

Mr. Romney has more than twenty years of business experience in energy and technology industries. Prior to this appointment at CSMP, Mr. Romney was with Chevron Texaco Technology Ventures in Houston, where he served as Vice President for Fuel Cells and Fuel Processing, a business he started and matured over several years. He brings extensive relationships in the energy, automotive and fuel cell sector. Mr. Romney holds an MBA degree from Duke University in North Carolina and a BS degree in Mechanical Engineering from Loyola College of Concordia University in Montreal, Canada.

The Electrochemical Materials Group at CSMP develops high performance materials used by fuel cell and advanced battery manufacturers to create low-cost, durable, high performance electrochemical products for use in transportation, military, and consumer markets and applications.

CSMP's DynalystTM electrocatalysts product provides world-class performance and value to fuel cell and battery manufacturers. CSMP's electrochemical materials are manufactured by a proprietary, scaled, spray-based technology that is repeatable and controllable, resulting in high volume manufacturing of unique fuel cell electrocatalysts with features adaptable to mainstream markets. In addition, CSMP is the recipient of numerous government-funded R&D awards in this area and has extensive relationships with leading manufacturers in the fuel cell and battery industries.

In conjunction with Cabot Corporation's strengths in carbon black technology, CSMP is poised to be a leading supplier of materials that enable fuel cell system developers and battery manufacturers to meet their goals of manufacturing low cost, durable, high performance electrochemical products.

About Cabot Superior MicroPowders

Cabot Superior MicroPowders (CSMP www.cabotsmp.com) group, manufactures and develops advanced materials for a variety of markets and applications including fuel cells, electronics and displays. CSMP leverages its technical core competencies of advanced powder manufacture and materials chemistry to deliver advanced materials systems and deposition technologies.

About Cabot Corporation

Cabot Corporation (www.cabot-corp.com, CBT/NYSE) is a global specialty chemical and materials company and is headquartered in Boston, MA. Cabot's major products are carbon black, fumed silica, inkjet colorants, and capacitor materials. Cabot is also a leader in the production of fine, structured, sub-micron particles, comprising carbon, metals and metal oxides developed to enhance the performance of a variety of products, including rubber, adhesives, inks, microelectronics, and plastics. Cabot has approximately 4,200 employees in 44 manufacturing plants located in 23 countries around the world.