Rate Schedule TF-1 Service Agreement Amendment

Contract No. 145268

Dated December 29, 2025, Effective January 01, 2026

 

THIS AMENDMENT by and between Northwest Pipeline LLC (Transporter) and Puget Sound Energy, Inc. (Shipper) is made and entered into on December 29, 2025.

WHEREAS:

  1. Transporter and Shipper are parties to that certain Rate Schedule (TF-1) Service Agreement dated October 30, 2023 and assigned Contract No. 145268 (Agreement).
  2. Transporter and Shipper desire to amend the Agreement to accommodate Shipper's request to reallocate 30,160 Dth/d of MDDOs from the Bethel School (3,490 Dth/d), South Tacoma (3,990 Dth/d), Rainier Terrace (4,990 Dth/d), Lake Francis (3,100 Dth/d), Issaquah Highlands (5,600 Dth/d), South Seattle (3,110 Dth/d), Olympia (4,990 Dth/d) and Evergreen Shores-Black Lake (890 Dth/d) delivery points to the Grays Harbor Meter Station.

 

THEREFORE, in consideration of the premises and mutual covenants set forth herein, Transporter and Shipper agree as follows:

  1. As of the effective date set forth thereon, the Exhibit A attached hereto supercedes and replaces the previously effective Exhibit A to the Agreement.
  2. The additional exhibits noted on the attached Exhibit A as applicable to the Agreement, if any, also are attached hereto and, as of the effective dates set forth thereon, supercede and replace any previously effective corresponding exhibits to the Agreement.
IN WITNESS WHEREOF, Transporter and Shipper have executed this Amendment as of the date first set forth above.
  
Puget Sound Energy, Inc. Northwest Pipeline LLC
By: /S/ By: /S/
Name: RON ROBERTS Name: MARK MOHAN
Title: SENIOR VP, ENERGY RESOURCES Title: MGR COMMERCIAL

 

EXHIBIT A

Dated December 29, 2025, Effective January 01, 2026

to the

Rate Schedule TF-1 Service Agreement

(Contract No. 145268)

between Northwest Pipeline LLC

and Puget Sound Energy, Inc.

SERVICE DETAILS

  1. Transportation Contract Demand (CD): 52,000 Dth per day
  2. Primary Receipt Point(s):
      Point ID Name Maximum Daily Quantities (Dth)    
      75 CLAY BASIN RECEIPT 4,000    
      80 GREEN RIVER GATHERING 7,840    
      297 SUMAS RECEIPT 30,160    
      543 OPAL PLANT 4,000    
      564 BLANCO HUB-TW (56498) 6,000    
      Total52,000
  3. Primary Delivery Point(s):
      Point ID Name Maximum Daily Delivery Obligation (Dth)   Delivery Pressure (psig)  
      284 SEDRO/WOOLLEY15,300    
      481 NORTH SEATTLE/EVERETT6,540    
      640 GRAYS HARBOR METER STATION30,160 0    
      Total52,000  
    Specified conditions for Delivery Pressure, pursuant to Section 2.4 of the General Terms and Conditions:

    For delivery points listed on Exhibit A, Transporter's delivery pressure commitment under Section 2.4 of the General Terms and Conditions of Transporter's tariff will be satisfied by Transporter maintaining the pressures set forth on Exhibit A at the outlet of its respective meter stations where custody transfer measurement occurs for such downstream delivery points, excluding the pressure commitment for the North Seattle/Everett delivery point which resides at the Shipper's town border station at the end of the lateral.

  4. Customer Category:
    1. Large Customer
    2. Incremental Expansion Customer: No
  5. Recourse, Discounted Recourse, or Negotiated Rate Transportation Rates:

    (Negotiated Rates are on Exhibit D if attached.)

    1. Reservation Charge (per Dth of CD): Maximum Base Tariff Rate, plus applicable surcharges
    2. Volumetric Charge (per Dth): Maximum Base Tariff Rate, plus applicable surcharges
    3. Additional Facility Reservation Surcharge Pursuant to Section 3.4 of Rate Schedule TF-1 (per Dth of CD): None
    4. Rate Discount Conditions Consistent with Section 3.5 of Rate Schedule TF-1: Not Applicable
    5. Negotiated Rate Conditions Consistent with Section 3.7 of Rate Schedule TF-1: Not Applicable
  6. Transportation Term:
    1. Primary Term Begin Date: May 01, 2023
    2. Primary Term End Date: October 31, 2032

      Specified conditional service agreement extensions pursuant to Section 11.9 of the General Terms and Conditions of the Tariff: None

    3. Evergreen Provision: Yes, grandfathered unilateral evergreen under Section 12.3 of Rate Schedule TF-1
  7. Contract-Specific OFO Parameters and/or Alternative Actions in lieu of a Contract-Specific OFO:

    None

  8. Subordinate rights apply as defined in GT&C Section 1 Secondary Firm Service Rights with a Scheduling and Curtailment Priority per GT&C Section 12.1(b)(ii): No
  9. Regulatory Authorization: 18 CFR 284.223
  10. Additional Exhibits:

    Exhibit B No

    Exhibit C No

    Exhibit D No

    Exhibit E No