Executive Change

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549   FORM 8-K   CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 07, 2023     AVISTA CORPORATION (Exact name of Registrant as Specified in Its Charter)     Washington 001-03701 91-0462470 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)           1411 East Mission Avenue   Spokane , Washington   99202-2600 (Address of Principal Executive Offices)   (Zip Code)   Registrant’s Telephone Number, Including Area Code: 509 489-0500     (Former Name or Former Address, if Changed Since Last Report)   Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class   Trading Symbol(s)   Name of each exchange on which registered Common Stock   AVA   The New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐     Section 5 – Corporate Governance and Management Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers On September 7, 2023, Avista Corporation (Avista Corp. or the Company) named Heather Rosentrater as President and Chief Operating Officer, effective October 1, 2023. Ms. Rosentrater currently serves as Senior Vice President and Chief Operating Officer. Dennis Vermillion will remain Avista Corp.'s Chief Executive Officer and a member of the Board of Directors. Benefits, compensation arrangements and incentive opportunities remain materially unchanged for Mr. Vermillion and Ms. Rosentrater for 2023. Also effective October 1, 2023, Vice President, Safety & Chief People Officer Bryan Cox will become Senior Vice President, Safety & Chief People Officer. For further details, please refer to the press release filed as Exhibit 99.1 to this current report which is incorporated herein by reference. Section 9 – Financial Statements and Exhibits Item 9.01 Financial Statements and Exhibits. (d) Exhibits 99.1 Press release dated September 7, 2023, which is being filed pursuant to Item 5.02. 104 Cover Page Interactive Data File (formatted as inline XBRL with applicable taxonomy extension information contained in Exhibits 101.)   SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.       AVISTA CORPORATION         Date: September 7, 2023 By: /s/ Gregory C. Hesler       Gregory C. Hesler Senior Vice President, General Counsel, and Chief Compliance Officer