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EARNINGS AND DIVIDENDS PER SHARE
9 Months Ended
Sep. 30, 2026
Earnings Per Share [Abstract]  
Earnings Per Share EARNINGS AND DIVIDENDS PER SHARE
The following table sets forth the computation of basic and diluted earnings per share ("EPS") which are calculated using the treasury stock method:
Third QuarterFirst Nine Months
(In millions, except per share amounts)2026202520262025
Numerator
Earnings attributable to Eastman, net of tax $252 $69 $542 $391 
Denominator
Weighted average shares used for basic EPS114.3114.4114.3114.9
Dilutive effect of stock options and other awards1.01.01.01.1
Weighted average shares used for diluted EPS115.3115.4115.3116.0
(Calculated using whole dollars and shares)
EPS
Basic$2.21 $0.60 $4.75 $3.41 
Diluted$2.19 $0.60 $4.70 $3.38 

Shares underlying stock options of 4,025,912 and 3,284,539 for third quarter 2026 and 2025, and 4,025,912 and 2,823,847 for first nine months 2026 and 2025 were excluded from the calculations of diluted EPS because the grant date exercise price of these options was greater than the average market price of the Company's common stock and the effect of including them in the calculations of diluted EPS would have been antidilutive. No shares were repurchased in third quarter and first nine months 2026, and 776,977 and 1,420,768 shares were repurchased in third quarter and first nine months 2025.
The Company declared cash dividends of $0.84 and $0.83 per share for third quarter 2026 and 2025, and $2.52 and $2.49 for first nine months 2026 and 2025.