The following table sets forth the computation of basic and diluted earnings per share ("EPS") which are calculated using the treasury stock method:


	Second Quarter				First Six Months
(In millions, except per share amounts)	2026		2025		2026		2025
Numerator
Earnings attributable to Eastman, net of tax	$	183	$	140	$	290	$	322



Denominator
Weighted average shares used for basic EPS	114.3		115.0		114.2		115.1
Dilutive effect of stock options and other awards	1.0		1.2		1.0		1.3
Weighted average shares used for diluted EPS	115.3		116.2		115.2		116.4

(Calculated using whole dollars and shares)
EPS
Basic	$	1.60	$	1.22	$	2.54	$	2.80
Diluted	$	1.59	$	1.20	$	2.51	$	2.77