EARNINGS PER SHARE

3 Months Ended

Mar. 31, 2023

NOTE 8. EARNINGS PER SHARE

Basic and diluted net income attributable to Olin Corporation per share are computed by dividing net income attributable to Olin Corporation by the weighted-average number of common shares outstanding. Diluted net income attributable to Olin Corporation per share reflects the dilutive effect of stock-based compensation.


	Three Months Ended March 31,
		2023		2022
Computation of Net Income per Share		(In millions, except per share data)
Net income		$	154.0	$	393.0
Net loss attributable to noncontrolling interests		(2.3)		—
Net income attributable to Olin Corporation		$	156.3	$	393.0
Basic shares		131.0		154.7
Basic net income attributable to Olin Corporation per share		$	1.19	$	2.54
Diluted shares:
Basic shares		131.0		154.7
Stock-based compensation		3.4		3.9
Diluted shares		134.4		158.6
Diluted net income attributable to Olin Corporation per share		$	1.16	$	2.48

The computation of dilutive shares does not include 1.4 million and 0.8 million shares for the three months ended March 31, 2023 and 2022, respectively, as their effect would have been anti-dilutive.