Material Event (Form 8-K)

On March 10, 2026, Evergy, Inc. (the "Company") issued $350,000,000 in aggregate principal amount of the Company's 4.250% Notes due 2029 (the "Notes"), pursuant to an Underwriting Agreement, dated March 5, 2026, among the Company and BofA Securities, Inc., Citigroup Global Markets Inc., MUFG Securities Americas Inc., TD Securities (USA) LLC, U.S. Bancorp Investments, Inc. and Wells Fargo Securities, LLC, as the several underwriters named therein. The Notes were registered under the Securities Act of 1933, as amended, pursuant to the registration statement (the "Registration Statement") on Form S-3of the Company, filed with the Securities and Exchange Commission on August 16, 2024 (File No. 333-281614).

In connection with the issuance and sale of the Notes, the Company entered into the several agreements and other instruments listed in Item 9.01 of this Current Report on Form 8-Kand filed as exhibits hereto. Also, in connection with the issuance and sale of the Notes, the Company is filing a legal opinion regarding the validity of the Notes as Exhibit 5.1 to this Current Report on Form 8-K.Each of these exhibits is incorporated by reference into the Registration Statement.