The path to privatization for U.S. utility Allete has been cleared. The company confirmed it has now received the final written approval from the Minnesota Public Utilities Commission (MPUC), marking the last major regulatory obstacle. The acquisition led by a consortium of Canada Pension Plan Investment Board (CPP Investments) and Global Infrastructure Partners (GIP) is scheduled for completion on Monday, December 15, 2025.
Key Details for Investors
With the closing date set, several immediate changes are now in motion for equity holders.
Should investors sell immediately? Or is it worth buying Allete?
- Transaction Timeline: The deal is expected to be finalized on Monday, December 15, 2025.
- Share Price Context: Allete shares closed at $67.90 on Friday, trading just below the implied deal price and near its 52-week high of $67.99.
- Index Rebalancing: Following the deal’s closure, S&P Dow Jones Indices will remove Allete from the S&P MidCap 400 index. It will be replaced by Corebridge Financial (CRBG) before the market opens on Wednesday, December 17.
- Final Payout: Shareholders will automatically receive the agreed acquisition price plus a “stub” dividend of approximately $0.976 per share. This additional payment covers the 122-day period leading to the closing. No action is required from investors to collect this payout.
Conditions of the Regulatory Approval
The MPUC’s green light was contingent on a substantial package of customer and public benefits valued at approximately $200 million. These commitments include bill credits for Minnesota Power customers, support for overdue customer accounts, and funding dedicated to regional economic development. This state-level approval followed earlier clearances from Allete’s shareholders, the Federal Energy Regulatory Commission (FERC), and the Public Service Commission of Wisconsin.
Market Implications and Next Steps
The anticipated closing on December 15 will lead to the cessation of trading for Allete stock on the New York Stock Exchange shortly thereafter, culminating in its delisting. Consequently, index funds that track the S&P MidCap 400 will divest their positions in Allete and purchase shares of Corebridge Financial. The stock’s recent stability around the deal price suggests the market has largely priced in the high probability of the transaction’s successful conclusion.
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