ALLETE (ALE) Proxy Filing summary

Executive summary

• Announced filing of a preliminary proxy statement related to a proposed acquisition by CPP Investments and Global Infrastructure Partners, aiming to transition to a privately held company.

• Special shareholder meeting will be held to vote on the transaction, with closing expected in mid-2025 pending shareholder and regulatory approvals.

• Filing is a procedural step and does not impact ongoing operations or employee responsibilities.

• Forward-looking statements caution that actual results may differ due to risks such as shareholder approval, regulatory conditions, and transaction timing.

Voting matters and shareholder proposals

• Shareholders will vote on the proposed merger at a special meeting, with details to be provided in the definitive proxy statement.

• Proxy materials will be mailed to all shareholders, including employee shareholders, once available.

Board of directors and corporate governance

• Directors, executive officers, and employees may be participants in the proxy solicitation for the merger.

• Information on directors and executive officers is available in prior SEC filings and will be updated as needed.