Docket No:  UG 529 Docket Name:  AVISTA ADVICE NO. 26-02-G 2026 PGAS Submit Public Comment Subject Company:  AVISTA UTILITIES     In the Matter of AVISTA CORPORATION dba AVISTA UTILITIES, 2026 Annual Natural Gas Cost Adjustment Filing. Filed by Athena Allen. Copies served to Gas List. Filing Date:   Advice No: 26-02-G       Effective:  10/31/2026 Expiration:   Status:  PENDING Case Manager:  ANNA KIM Phone:  971-239-2887 Email:   anna.kim@puc.oregon.gov Staff Contact:  ZHUOYI ZHAO Phone:   Email:   zhuoyi.zhao@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) General information about Tariff Filings.

ACTIONS SERVICE LIST (Parties) SCHEDULE Public Comments C=Confidential HC=Highly Confidential Sort by Last Name      Sort by Party Name       DOCKETS@ AVISTACORP       AVISTA CORPORATION 1411 EAST MISSION PO BOX 3727 SPOKANE WA 99220-0500 dockets@avistacorp.com       Share OREGON CITIZENS' UTILITY BOARD       OREGON CITIZENS' UTILITY BOARD 610 SW BROADWAY, STE 400 PORTLAND OR 97205 dockets@oregoncub.org ALLIANCE OF WESTERN ENERGY CONSUMERS           ELISE N KOEPKE       CABLE HUSTON LLP ekoepke@cablehuston.com         CHAD M STOKES  (C) (HC)       CABLE HUSTON LLP 1455 SW BROADWAY STE 1500 PORTLAND OR 97201 cstokes@cablehuston.com AVISTA           ATHENA ALLEN  (C)       AVISTA 1411 E MISSION AVE MSC29 SPOKANE WA 99202 athena.allen@avistacorp.com OREGON CITIZENS UTILITY BOARD           EMILY DOUGAN  (C)       OREGON CITIZENS' UTILITY BOARD emily@oregoncub.org         ROBERT JENKS  (C) (HC)       OREGON CITIZENS' UTILITY BOARD 610 SW BROADWAY, STE 400 PORTLAND OR 97205 bob@oregoncub.org         CLAIRE VALENTINE-FOSSUM  (C) (HC)       OREGON CITIZENS' UTILITY BOARD 610 SW BROADWAY STE 400 PORTLAND OR 97205 claire@oregoncub.org STAFF           ANNA KIM  (C) (HC)       PUBLIC UTILITY COMMISSION OF OREGON P O BOX 1088 SALEM OR 97308 anna.kim@puc.oregon.gov         JOHANNA RIEMENSCHNEIDER  (C) (HC)       Oregon Department of Justice BUSINESS ACTIVITIES SECTION 1162 COURT ST NE SALEM OR 97301-4796 johanna.riemenschneider@doj.oregon.gov