ALLETE Board of Directors Declares Stub Period Dividend on Common Stock

On December 14, 2025, ALLETE, Inc. (NYSE: ALE) announced that its Board of Directors has declared a “stub period” dividend for holders of its common stock, contingent upon the successful completion of its merger with Canada Pension Plan Investment Board and Global Infrastructure Partners. The dividend amounts to $0.008 per share, calculated based on the company’s most recent regular quarterly dividend rate of $0.73 per share, divided by 91 days. This figure is then multiplied by the number of days from August 16, 2025—the date following the record date for the last dividend—up to the closing date of the merger.

The record date for the stub period dividend has been established as October 16, 2025, meaning that shareholders must retain their shares through the conclusion of the transaction to qualify for this dividend. Shareholders eligible for the stub period dividend will receive this payment on the fifth business day following the merger’s closure.

ALLETE, headquartered in Duluth, Minnesota, operates electric utilities such as Minnesota Power and Superior Water, Light and Power, alongside its ventures in clean energy through ALLETE Clean Energy, BNI Energy, and New Energy Equity, among others. The Company also holds an 8% equity stake in the American Transmission Co.

Investors should note that this announcement includes forward-looking statements that carry risks and uncertainties, as discussed in ALLETE’s filings with the Securities and Exchange Commission. For further information, stakeholders can visit ALLETE's website or contact their investor relations team.

On December 14, 2025, ALLETE, Inc. (NYSE: ALE) declared a stub period dividend of $0.008 per share, contingent on the completion of its merger with Canada Pension Plan Investment Board and Global Infrastructure Partners. This announcement is significant for current and prospective investors, as it reflects the company's commitment to delivering shareholder value even amidst transformational changes.

The stub period dividend is calculated based on the most recent regular quarterly dividend rate, indicating that ALLETE intends to reward its shareholders during this interim phase before the merger close. For shareholders who retain their shares until the merger is finalized, this dividend provides a modest return, further affirming the company’s stability despite ongoing corporate transitions.

Investors should consider the impact of this dividend in relation to the overall merger. The stipulated payment date, set for five business days after the transaction's closing, enhances clarity and helps to manage shareholder expectations. Given the involvement of seasoned partners like the Canada Pension Plan Investment Board and Global Infrastructure Partners, the merger is likely aimed at positioning ALLETE for growth and expansion in the energy sector.

However, investors should remain cautious. The merger involves inherent risks and uncertainties as outlined in ALLETE's filings with the Securities and Exchange Commission. It’s essential to monitor any developments related to regulatory approvals and integration challenges post-merger.

In terms of strategy, investors may contemplate holding onto their shares to benefit from the stub dividend, as well as the potential upside from the merger. Still, prudent investors should assess their risk appetite and keep an eye on broader market conditions affecting energy stocks. Balancing immediate yield from the dividend against the long-term growth potential from the merger will be key for investors in ALLETE, especially as the completion date approaches.