Docket No:  UM 2214 Docket Name:  NW NATURAL UPDATED DEPRECIATION STUDY Submit Public Comment * This docket is a contested case. See the Internal Operating Guidelines and OAR 860-001 Subject Company:  NORTHWEST NATURAL     In the Matter of NORTHWEST NATURAL GAS COMPANY, dba NW NATURAL, Updated Depreciation Study Pursuant to OAR 860-027-0350, Filed by Kyle Walker. Sent to Gas Industry List. Filing Date:  12/17/2021       Case Manager:  MING PENG Phone:  503-508-3040 Email:   ming.peng@puc.oregon.gov Law Judge:  ALISON LACKEY Phone:  503-400-2861   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 C=Confidential HC=Highly Confidential Sort by Last Name      Sort by Party Name       BRADLEY MULLINS       MW ANALYTICS, ENERGY & UTILITIES LUMMINTIE 13 OULU FI-90460 brmullins@mwanalytics.com       CHAD M STOKES       CABLE HUSTON LLP 1455 SW BROADWAY STE 1500 PORTLAND OR 97201 cstokes@cablehuston.com CUB           WILLIAM GEHRKE       OREGON CITIZENS' UTILITY BOARD 610 SW BROADWAY STE 400 PORTLAND OR 97206 will@oregoncub.org         MICHAEL GOETZ       OREGON CITIZENS' UTILITY BOARD 610 SW BROADWAY STE 400 PORTLAND OR 97205 mike@oregoncub.org         Share OREGON CITIZENS' UTILITY BOARD       OREGON CITIZENS' UTILITY BOARD 610 SW BROADWAY, STE 400 PORTLAND OR 97205 dockets@oregoncub.org NW NATURAL           ERIC NELSEN       NORTHWEST NATURAL 250 SW TAYLOR ST PORTLAND OR 97204 eric.nelsen@nwnatural.com         Share NW NATURAL       NORTHWEST NATURAL 250 SW TAYLOR ST PORTLAND OR 97204 efiling@nwnatural.com STAFF           STEPHANIE S ANDRUS       Oregon Department of Justice BUSINESS ACTIVITIES SECTION 1162 COURT ST NE SALEM OR 97301-4096 stephanie.andrus@doj.state.or.us         MING PENG       PUBLIC UTILITY COMMISSION OF OREGON PO BOX 1088 SALEM OR 97308-1088 ming.peng@puc.oregon.gov