ChemFirst Inc.. The Company's principal activity is production of electronic and other specialty chemicals for use in the semiconductor industry. The Company's products are used in pharmaceutical, polymer, photographic, photosensitive and agricultural applications, as well as the production of polyurethane chemicals. The Company operates in two segments namely Electronic and other specialty chemicals segment and Polyurethane chemicals segment. The Company's Electronic and other specialty chemicals segment produces chemicals for use in electronic, pharmaceutical, photographic, optical brightening, agricultural, thermoplastic materials, coatings and structural composites and other applications. The Company produces aniline and nitrobenzene in its facilities in Pascagoula, Mississippi and Baytown, Texas. Ployurethane chemicals accounted for 51% of 2001 revenues and electronic and other special chemicals, 49%.