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EARNINGS AND DIVIDENDS PER SHARE
9 Months Ended
Sep. 30, 2025
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)2025202420252024
Numerator
Earnings attributable to Eastman, net of tax $47 $180 $369 $575 
Denominator
Weighted average shares used for basic EPS114.4116.4114.9117.0
Dilutive effect of stock options and other awards1.01.41.11.3
Weighted average shares used for diluted EPS115.4117.8116.0118.3
(Calculated using whole dollars and shares)
EPS
Basic$0.41 $1.55 $3.21 $4.91 
Diluted$0.40 $1.53 $3.18 $4.86 

Shares underlying stock options of 3,284,539 and 1,315,375 for third quarter 2025 and 2024, respectively, and 2,823,847 and 1,234,513 for first nine months 2025 and 2024, respectively, 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. The Company repurchased 776,977 and 1,018,269 shares in third quarter 2025 and 2024, respectively, for $50 million and $100 million, respectively. The Company repurchased 1,420,768 and 2,018,274 shares in first nine months 2025 and 2024, respectively, for $100 million and $200 million, respectively.
The Company declared cash dividends of $0.83 and $0.81 per share for third quarter 2025 and 2024, respectively, and $2.49 and $2.43 per share for first nine months 2025 and 2024, respectively.