WEC Energy Group, Inc. announced that it has commenced an offer to purchase for cash (the "Tender Offer") up to $300,000,000 aggregate principal amount (as such amount may be increased or decreased by WEC Energy Group pursuant to the terms of the Tender Offer, the "Maximum Acceptance Amount") of its 2007 Series A Junior Subordinated Notes due 2067 (the "Notes"). The Tender Offer is made upon the terms and subject to the conditions set forth in the offer to purchase dated January 9, 2024 (as it may be amended or supplemented from time to time, the "Offer to Purchase"). The Tender Offer will expire at 5:00 p.m., New York City time, on February 7, 2024, unless extended (such time and date, as the same may be extended, the "Expiration Time") or earlier terminated by WEC Energy Group in its sole discretion.

To receive the total consideration of $943.75 per $1,000 principal amount of Notes accepted for purchase (the "Total Consideration"), which includes an early tender premium of $50.00 per $1,000 principal amount of the Notes accepted for purchase pursuant to the Tender Offer (the "Early Tender Premium"), Holders (as defined in the Offer to Purchase) must validly tender and not validly withdraw their Notes prior to 5:00 p.m., New York City time, on January 23, 2024, unless extended by WEC Energy Group in its sole discretion (such time and date, as the same may be extended, the "Early Tender Time"). Holders who validly tender their Notes after the Early Tender Time but at or prior to the Expiration Time will be eligible to receive $893.75 per $1,000 principal amount of Notes accepted for purchase (the "Tender Offer Consideration"), which Tender Offer Consideration is an amount equal to the Total Consideration less the Early Tender Premium. In addition to the applicable consideration, all Holders of Notes accepted for purchase will receive accrued and unpaid interest on such Notes from the last interest payment date to, but not including, the date such Notes are purchased in the Tender Offer (the "Accrued Interest").

Holders who tender their Notes may withdraw such Notes at any time prior to 5:00 p.m., New York City time, on January 23, 2024 (such time and date, as the same may be extended, the "Withdrawal Deadline"), but not thereafter, by following the procedures described in the Offer to Purchase.