Docket No:  UM 2396 Docket Name:  AVISTA CORPORATION APPLICATION FOR AN ORDER AUTHORIZING DEFERRED ACCOUNTING Submit Public Comment Subject Company:  AVISTA UTILITIES     In the Matter of AVISTA CORPORATION, dba AVISTA UTILITIES, Application for Authorization for Deferral of Costs Associated with an Enterprise Resource Platform. Filed by Shawn Bonfield. Copies served to Gas Industry List. Filing Date:  7/1/2025    Public Mtg: 11/25/2025    Case Manager:  ROSE PILEGGI Phone:   Email:   rose.pileggi@puc.oregon.gov Email Service List (semi-colon delimited)      Email Service List (comma delimited)   If you experience problems with the above 'Email Service List' links, please try one of these: Service List Popup (semi-colon delimited)     Service List Popup (comma delimited)

ACTIONS SERVICE LIST SCHEDULE Public Comments Sort By Date        Sort By Type Date: 11/25/2025 Action:  ORDER      Order No:   25-467    Description Order No. 25-467, signed by Chief Administrative Law Judge Alison Lackey; DISPOSITION: STAFF'S RECOMMENDATION ADOPTED. Copies served on 11/25/25.  Date: 11/19/2025 Action:  STAFF REPORT      Description Staff Report for the November 25, 2025 Public Meeting (Item No. CA11), by Rose Pileggi.   Date: 11/14/2025 Action:  AMENDED (APPLICATION, COMPLAINT, PETITION)      Description Avista's AMENDED Application for an Order Authorizing Deferred Accounting and Ratemaking Treatment of Costs Associated with Investment in an Enterprise Resource Platform. Filed by Shawn Bonfield.   Date: 11/13/2025 Action:  COMMENTS/RESPONSE      Description AWEC's comments; filed by Chad Stokes.  Date: 10/9/2025 Action:  SERVICE LIST CHANGE      Description Staff's Request to Change Service List to remove Sarah Rowe and add Marli Klass, filed by Karli Klass.   Date: 7/8/2025 Action:  PETITION TO INTERVENE      Description AWEC's Petition to Intervene, with contacts of Chad Stokes and Brad Mullins. Filed by Chad Stokes.   Date: 7/1/2025 Action:  INITIAL (APPLICATION, COMPLAINT, PETITION)      Description In the Matter of AVISTA CORPORATION, dba AVISTA UTILITIES, Application for Authorization for Deferral of Costs Associated with an Enterprise Resource Platform. Filed by Shawn Bonfield. Copies served to Gas Industry List.