Docket No:  UG 528 Docket Name:  NW NATURAL ADVICE NO. 25-23 SCHEDULE 160 TSA COOS COUNTY Submit Public Comment * This docket is a contested case. See the Internal Operating Guidelines and OAR 860-001 Subject Company:  NORTHWEST NATURAL              See also:  ADV 1789    In the Matter of NORTHWEST NATURAL GAS COMPANY, dba NW NATURAL, Advice No. 25-23 (ADV 1789), Schedule 160, Cancellation of Changes for Coos County Pipeline. See ADV 1789 for Previous Filings. Filing Date:  12/30/2025 Advice No: 25-23       Effective:  11/1/2026 Expiration:  10/31/2026 Status:  SUSPENDED Case Manager:  WILL WHEELER Phone:   Email:   will.p.wheeler@puc.oregon.gov Law Judge:  BRENT COLEMAN Phone:     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 Date/Time Event Description 11/1/2026 EFFECTIVE DATE/ STATUTORY DEADLINE 10/31/2026 EXPIRATION DATE