1 EXHIBIT 99.01 EASTMAN CHEMICAL COMPANY AND SUBSIDIARIES SUPPLEMENTAL BUSINESS SEGMENT INFORMATION 1999 CHANGE FROM 1998 SECOND QUARTER FIRST SIX MONTHS % CHANGE % CHANGE SALES OPERATING SALES OPERATING REVENUE EARNINGS (1) REVENUE EARNINGS (1) ------- ------------ ------- ------------ ================================================================================================ SPECIALTY & PERFORMANCE SEGMENT (2)% (17)% (5)% (19)% ================================================================================================ Products primarily included: Specialty plastics (4)% -- (5)% -- Performance chemicals 5% -- (2)% -- Fine chemicals (10)% -- (13)% -- Fibers (18)% -- (13)% -- Coatings, inks & resins 17% - 7% - ================================================================================================ CORE PLASTICS SEGMENT (6)% Nm (11)% Nm ================================================================================================ Products primarily included: Container plastics (6)% -- (11)% -- Flexible plastics (4)% ++ (10)% -- ================================================================================================ CHEMICAL INTERMEDIATES SEGMENT (6)% (51)% (10)% (44)% ================================================================================================ Products primarily included: Industrial intermediates (6)% -- (10)% -- ================================================================================================ TOTAL EASTMAN (4)% (41)% (7)% (44)% ================================================================================================ (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 54