1 EXHIBIT 99.01 EASTMAN CHEMICAL COMPANY AND SUBSIDIARIES SUPPLEMENTAL BUSINESS SEGMENT INFORMATION 1998 CHANGE FROM 1997 FIRST QUARTER % CHANGE SALES OPERATING REVENUE EARNINGS(1) ------- ----------- SPECIALTY & PERFORMANCE SEGMENT Specialty plastics 11% + Performance chemicals (10)% 0 Fine chemicals (16)% -- Fibers (18)% -- Coatings, inks & resins -% ++ Total Segment (7)% (25)% ====== ====== CORE PLASTICS SEGMENT Container plastics 18% ++ Flexible plastics (10)% -- Total Segment 7% 95% ====== ====== CHEMICAL INTERMEDIATES SEGMENT Industrial intermediates 2% ++ Total Segment 2% 36% ====== ====== Total Eastman (2)% (1)% ====== ====== - ------------------------------ (1) 0 = Change of approximately 0 - 2% (+ or -) + = Increase of approximately 2 - 10% ++ = Increase of greater than 10% - = Decrease of approximately (2) - (10)% -- = Decrease of greater than (10%) Sm = Negligible change in dollar amount Nm = Not meaningful 57