Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2020

QUARTERLY FINANCIAL DATA (UNAUDITED)

Information for any one quarterly period is not necessarily indicative of the results which may be expected for the year.


Quarter Ended	Mar. 31	Jun. 30	Sept. 30	Dec. 31
Millions Except Earnings Per Share
2020
Operating Revenue	$311.6	$243.2	$293.9	$320.4
Operating Income	$60.2	$12.7	$41.6	$36.4
Net Income Attributable to ALLETE	$66.3	$20.1	$40.7	$47.1
Earnings Per Share of Common Stock
Basic	$1.28	$0.39	$0.78	$0.91
Diluted	$1.28	$0.39	$0.78	$0.90
2019
Operating Revenue	$357.2	$290.4	$288.3	$304.6
Operating Income	$56.8	$36.2	$37.0	$49.8
Net Income Attributable to ALLETE	$70.5	$34.2	$31.2	$49.7
Earnings Per Share of Common Stock
Basic	$1.37	$0.66	$0.60	$0.96
Diluted	$1.37	$0.66	$0.60	$0.96
2018
Operating Revenue	$358.2	$344.1	$348.0	$448.3
Operating Income	$57.4	$36.5	$43.3	$64.0
Net Income Attributable to ALLETE	$51.0	$31.3	$30.7	$61.1
Earnings Per Share of Common Stock
Basic	$1.00	$0.61	$0.59	$1.19
Diluted	$0.99	$0.61	$0.59	$1.18