Docket No:  ADV 1840 Docket Name:  NW NATURAL ADVICE NO. 26-01 AR 671 COMPLIANCE Submit Public Comment Subject Company:  NORTHWEST NATURAL     NW Natural's Advice No. 26-01. The purpose of this filing is to update certain pages of NW Natural’s tariff to reflect the changes and updates made to Oregon Administrative Rules (OAR) Chapter 860, Division 21 approved by the Public Utility Commission of... Filing Date:  2/2/2026 Advice No: 26-01       Effective:  3/18/2026 Expiration:   Status:  PENDING Case Manager:  CHARLES LOCKWOOD Phone:  503-559-7752 Email:   charles.lockwood@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 (Parties) SCHEDULE Public Comments C=Confidential HC=Highly Confidential Sort by Last Name      Sort by Party Name       MARLI KLASS       OREGON DEPARTMENT OF JUSTICE 1162 COURT STREET NE SALEM OR 97301-4096 marli.klass@doj.oregon.gov NW NATURAL           Share NW NATURAL       NORTHWEST NATURAL 250 SW TAYLOR ST PORTLAND OR 97204 efiling@nwnatural.com STAFF           CHARLES LOCKWOOD       PUBLIC UTILITY COMMISSION OF OREGON PO BOX 1088 SALEM OR 97308-1088 charles.lockwood@puc.oregon.gov