Docket No:  ADV 1887 Docket Name:  NW NATURAL ADVICE NO. 26-04 SCHEDULE 400 SMART ENERGY PROGRAM Submit Public Comment Subject Company:  NORTHWEST NATURAL     NW Natural's Advice No. 26-04, Schedule 400 Smart Energy Program. The purpose of this filing is to provide an additional pricing option for residential customers who opt to participate in the voluntary Smart Energy Program. Filing Date:  7/24/2026 Advice No: 26-04       Effective:  9/19/2026 Expiration:   Status:  PENDING 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 NW NATURAL           Share NW NATURAL       NORTHWEST NATURAL 250 SW TAYLOR ST PORTLAND OR 97204 efiling@nwnatural.com         NATASHA SIORES       NORTHWEST NATURAL 250 SW TAYLOR ST PORTLAND OR 97204 natasha.siores@nwnatural.com