OGE Energy issued no new shares of common stock under its Automatic Dividend Reinvestment and Stock Purchase Plan during the three and nine months ended September 30, 2023.

Basic earnings per share is calculated by dividing net income attributable to OGE Energy by the weighted-average number of OGE Energy's common shares outstanding during the period. In the calculation of diluted earnings per share, weighted-average shares outstanding are increased for additional shares that would be outstanding if potentially dilutive securities were converted to common stock. Potentially dilutive securities for OGE Energy consist of performance units and restricted stock units. The following table presents the calculation of basic and diluted earnings per share for OGE Energy.


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In millions, except per share data)	2023		2022		2023		2022
Net income	$	241.9	$	262.8	$	368.6	$	615.4
Average common shares outstanding:
Basic average common shares outstanding		200.3		200.2		200.3		200.2
Effect of dilutive securities:
Contingently issuable shares (performance and restricted stock units)		0.7		0.7		0.6		0.5
Diluted average common shares outstanding		201.0		200.9		200.9		200.7
Basic earnings per average common share	$	1.21	$	1.31	$	1.84	$	3.07
Diluted earnings per average common share	$	1.20	$	1.31	$	1.83	$	3.07
Anti-dilutive shares excluded from earnings per share calculation		—		—		—		—