ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT. On, August 14, 2026, Wisconsin Electric Power Company (“WEPCO”) entered into a Power Purchase Agreement ("PPA") with Nextera Energy Point Beach LLC (“NEPB”) to purchase 86% of the capacity, energy, ancillary services and environmental attributes of each of Unit 1 and Unit 2 of the Point Beach Nuclear Power Plant (“Point Beach”). The term of the PPA for each of Unit 1 and Unit 2 is 20 years, commencing October 6, 2030 through October 5, 2050 for Unit…

Vice President and Controller — Caroline Garcia: The filing primarily announces the external hire of Caroline Garcia to succeed the retiring Controller, William J. Guc, in an orderly succession plan.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On Wednesday, July 29, 2026, WEC Energy Group, Inc. issued a press release announcing its financial results for the quarter and six months ended June 30, 2026. A copy of the press release is being furnished to the Securities and Exchange Commission as Exhibit 99.1 attached hereto and incorporated herein by reference.

Chairman of the Board — Gale Klappa: Gale Klappa retired as Chairman of the Board after reaching retirement age.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On Tuesday, May 5, 2026, WEC Energy Group, Inc. issued a press release announcing its financial results for the quarter ended March 31, 2026. A copy of the press release is being furnished to the Securities and Exchange Commission as Exhibit 99.1 attached hereto and incorporated herein by reference.

OTHER EVENTS. On February 23, 2026, WEC Energy Group, Inc. (the “Company”) entered into an Underwriting Agreement covering the issue and sale by the Company of an additional $400,000,000 aggregate principal amount of its 4.75% Senior Notes due January 15, 2028 (the “Additional 2028 Notes”). The Additional 2028 Notes are being issued and sold by the Company in an offering registered under the Securities Act of 1933, as amended, pursuant to a registration statement on Form S-3, Registration No.…

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On Thursday, February 5, 2026, WEC Energy Group, Inc. issued a press release announcing its financial results for the quarter and year ended December 31, 2025. A copy of the press release is being furnished to the Securities and Exchange Commission as Exhibit 99.1 attached hereto and incorporated herein by reference.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On February 3, 2026, The Peoples Gas Light and Coke Company (“PGL”) and North Shore Gas Company (“NSG”), Illinois utility subsidiaries of WEC Energy Group, Inc. (“WEC Energy”), agreed on the terms of a proposed settlement (the “Settlement Agreement”) with the People of the State of Illinois, by and through Kwame Raoul, Attorney General of the State of Illinois, that, if approved by the Illinois Commerce Commission following a public review process…

RESULTS OF OPERATIONS AND FINANCIAL CONDITION Based upon additional analysis of recent orders from the Illinois Commerce Commission (“ICC”), disallowance recommendations by interveners relating to unresolved Qualifying Infrastructure Plant (“QIP”) and Uncollectible Expense Adjustment (“UEA”) expense reconciliation dockets, testimony, data requests and other information, our 2025 results are expected to reflect the impact of a $150 million charge related to an increase in reserves. As a result…

The filing discloses the establishment of performance measures for annual incentive compensation and performance unit awards, which is a compensation plan matter rather than a change in management or board composition.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On Thursday, October 30, 2025, WEC Energy Group, Inc. issued a press release announcing its financial results for the quarter and nine months ended September 30, 2025. A copy of the press release is being furnished to the Securities and Exchange Commission as Exhibit 99.1 attached hereto and incorporated herein by reference.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On Wednesday, July 30, 2025, WEC Energy Group, Inc. issued a press release announcing its financial results for the quarter and six months ended June 30, 2025. A copy of the press release is being furnished to the Securities and Exchange Commission as Exhibit 99.1 attached hereto and incorporated herein by reference.

OTHER EVENTS On June 25, 2025, Wisconsin Electric Power Company (“WE”), a wholly-owned subsidiary of WEC Energy Group, Inc. (the “Company”), issued a news release announcing plans to extend the operating lives of units 7 and 8 at the Oak Creek Power Plant. WE expects to have the units available to meet high energy demand periods through the end of 2026. A copy of the news release is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Forward-looking statements Certain sta…

by reference. The Company offered and sold the Notes to the Initial Purchasers in reliance on the exemption from registration provided by Section 4(a)(2) of the Securities Act of 1933, as amended (the “Securities Act”), and for resale by the Initial Purchasers to persons reasonably believed to be qualified institutional buyers pursuant to the exemption from registration provided by Rule 144A under the Securities Act. The Company relied on these exemptions from registration based in part on re…

CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT On June 10, WEC Energy Group, Inc. (the “Company”) issued $900,000,000 aggregate principal amount of its 3.375% Convertible Senior Notes due 2028 (the “Notes”) pursuant to an Indenture (the “Note Indenture”), dated as of June 10, 2025, between the Company and The Bank of New York Mellon Trust Company, N.A., as trustee (the “Trustee”). The Notes were sold under a Purchase Agreement…

OTHER EVENTS On June 5, 2025, WEC Energy Group, Inc. (the “Company”) issued a press release announcing the upsize and pricing of an offering of $775,000,000 aggregate principal amount of its 3.375% Convertible Senior Notes due 2028 (the “Notes”) in a private offering to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended. The offering was upsized from the previously announced offering of $700,000,000 aggregate pri…

OTHER EVENTS On June 5, 2025, WEC Energy Group, Inc. (the “Company”) issued a press release announcing a proposed offering of $700,000,000 aggregate principal amount of convertible senior notes due 2028 (the “Notes”) in a private offering to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended. In addition, the Company expects to grant the initial purchasers options to purchase, for settlement within a period of 13…

COO — Michael Hooper: The filing primarily discloses the appointment of Michael Hooper to the senior executive role of Executive Vice President and Chief Operating Officer, which is an internal promotion/role expansion rather than a departure.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On Tuesday, May 6, 2025, WEC Energy Group, Inc. issued a press release announcing its financial results for the quarter ended March 31, 2025. A copy of the press release is being furnished to the Securities and Exchange Commission as Exhibit 99.1 attached hereto and incorporated herein by reference.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On Tuesday, February 4, 2025, WEC Energy Group, Inc. issued a press release announcing its financial results for the quarter and year ended December 31, 2024. A copy of the press release is being furnished to the Securities and Exchange Commission as Exhibit 99.1 attached hereto and incorporated herein by reference.

Director: The filing discloses routine appointments of directors to specific board committees, which is a standard administrative governance action.

The filing discloses the establishment of performance measures for annual incentive compensation and performance unit awards, which is a compensation matter rather than a change in management or board composition.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On Thursday, October 31, 2024, WEC Energy Group, Inc. issued a press release announcing its financial results for the quarter and nine months ended September 30, 2024. A copy of the press release is being furnished to the Securities and Exchange Commission as Exhibit 99.1 attached hereto and incorporated herein by reference.

Director — Warner Baxter, John Lange: The filing discloses the routine election of two new directors to fill vacancies created by an increase in board size, which is a standard succession planning activity and not a departure of a sitting executive.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On Wednesday, July 31, 2024, WEC Energy Group, Inc. issued a press release announcing its financial results for the quarter and six months ended June 30, 2024. A copy of the press release is being furnished to the Securities and Exchange Commission as Exhibit 99.1 attached hereto and incorporated herein by reference.