Docket No:  ADV 1789 Docket Name:  NW NATURAL ADVICE NO. 25-23 SCHEDULE 160 TSA COOS COUNTY Submit Public Comment Subject Company:  NORTHWEST NATURAL     NW Natural's Advice No. 25-23. The purpose of this filing is to cancel Schedule 160 as part of NW Natural’s overall plan to continue to provide safe and reliable gas service to Coos County. Filing Date:  9/26/2025 Advice No: 25-23       Effective:  12/31/2025 Expiration:   Status:  PENDING Case Manager:  Mitch Moore Phone:  971-375-5094 Email:   mitch.moore@puc.oregon.gov Staff Contact:  KATE AYRES Phone:  503-510-9611 Email:   kate.ayres@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       STEPHANIE S ANDRUS       Oregon Department of Justice BUSINESS ACTIVITIES SECTION 1162 COURT ST NE SALEM OR 97301-4096 stephanie.andrus@doj.oregon.gov       Share NW NATURAL       NORTHWEST NATURAL 250 SW TAYLOR ST PORTLAND OR 97204 efiling@nwnatural.com       JOHN SWEET       COOS COUNTY 250 NORTH BAXTER STREET COQUILLE OR 97423 bbrooks@co.coos.or.us NW NATURAL           ROBERT WYMAN       NORTHWEST NATURAL 250 SW TAYLOR ST PORTLAND OR 97204 robert.wyman@nwnatural.com OREGON CITIZENS UTILITY BOARD           EMILY DOUGAN       OREGON CITIZENS' UTILITY BOARD emily@oregoncub.org         ELIZABETH LESCH-ABHAYA       OREGON CITIZENS’ UTILITY BOARD 610 SW BROADWAY STE 400 PORTLAND OR 97205 lizzie@oregoncub.org         Share OREGON CITIZENS' UTILITY BOARD       OREGON CITIZENS' UTILITY BOARD 610 SW BROADWAY, STE 400 PORTLAND OR 97205 dockets@oregoncub.org         CLAIRE VALENTINE-FOSSUM       OREGON CITIZENS' UTILITY BOARD 610 SW BROADWAY STE 400 PORTLAND OR 97205 claire@oregoncub.org