1 EXHIBIT 99.01 EASTMAN CHEMICAL COMPANY AND SUBSIDIARIES OPERATING SEGMENT INFORMATION (SALES REVENUE CHANGE, VOLUME EFFECT AND PRICE EFFECT) FIRST QUARTER, 2001 ----------------------------------------- CHANGE IN REVENUE DUE TO ------------------------ REVENUE VOLUME PRICE % CHANGE EFFECT EFFECT -------- ------ ------ Chemicals segment Products: Coatings, adhesives, specialty polymers and inks 44% -- -- Fine chemicals (6) -- -- Performance chemicals and intermediates (6) -- -- ---------------------------------------- Total Chemicals segment 15% 12% 5% ---------------------------------------- Polymers segment Products: Container plastics 24% -- -- Fibers (7) -- -- Specialty plastics (1) -- -- ---------------------------------------- Total Polymers segment 7% 2% 7% ---------------------------------------- Total Eastman 10% 7% 6% ======================================== 60