ALLETE has been acquired by a partnership led by Canada Pension Plan Investment Board and Global Infrastructure Partners and is now a private company.

SEC Filing Details

Document Details

Form

ARS

Filing Date

Mar 23, 2012

Document Date

Dec 31, 2011

Form Description

An annual report to security holders

Filing Group

Annual Filings

Company

ALLETE, Inc.

Issuer

ALLETE INC