Docket No:  ADV 1866 Docket Name:  CASCADE ADVICE NO. 026-03-02 SCHEDULE 31 PUBLIC PURPOSE CHARGE Submit Public Comment Subject Company:  CASCADE NATURAL GAS     Cascade Advice No. O26-03-02 Schedule 31, Public Purpose Charge. The purpose of this filing is to increase Cascade’s Schedule 31, Public Purpose Charge (PPC) from 6.456 percent to 12.271 Filing Date:  3/31/2026 Advice No: O26-03-02       Effective:  5/1/2026 Expiration:   Status:  PENDING Case Manager:  CHARLES LOCKWOOD Phone:  503-559-7752 Email:   charles.lockwood@puc.oregon.gov Staff Contact:  NICK SAYEN Phone:  503-510-4355 Email:   nick.sayen@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 CASCADE NATURAL GAS CORPORATION           MICHAEL PARVINEN       CASCADE NATURAL GAS CORPORATION 8113 W GRANDRIDGE BLVD KENNEWICK WA 99336-7166 michael.parvinen@cngc.com STAFF           CHARLES LOCKWOOD       PUBLIC UTILITY COMMISSION OF OREGON PO BOX 1088 SALEM OR 97308-1088 charles.lockwood@puc.oregon.gov         NICK SAYEN       PUBLIC UTILITY COMMISSION OF OREGON PO BOX 1088 SALEM OR 97308-1088 nick.sayen@puc.oregon.gov