Kuraray Acquires Vectran

New York City-based Kuraray America Inc., a subsidiary of Japan-based Kuraray Co. Ltd., has
acquired the Vectran business of Fort Mill, S.C.-based Celanese Advanced Materials Inc., an
affiliate of Dallas-based Celanese Corp. Kuraray now is the exclusive manufacturer of Vectran®
high-performance polyarylate fiber, used in aerospace, marine exploration and development, safety
materials, high-pressure inflatables, industrial and other applications.

Kuraray expects the acquisition to enable it to create market synergies through US and
European sales systems, and integrate its global research and development operations, thereby
strengthening its industrial fiber business applications.

June 2005