Historic Stock Lookup

Before ADESA spin-off
Historical prices 6/20/86 through 9/20/04
September 20, 2004 / ALE - NYSE
High $26.70
Low $26.27
Open $26.50
Close $26.55

Prices reflect a 2-for-1 stock split of March 2, 1999.

After ADESA spin-off
Historical prices since 9/21/04
January 17, 2018 / ALE - NYSE
High $74.01
Low $73.03
Open $73.50
Close $73.85
Volume 299,887

On Sept. 20, 2004, ALLETE spun off ADESA, Inc. and completed a 1-for-3 reverse stock split.

Year End Stock Prices

Year end ALE stock price

The historical stock information provided is for informational purposes only and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and ALLETE does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.