Northwest Pipeline LLC NOTICE #30678 Binding Open Season and Reverse Open Season for Northwest Pipeline LLC's Palouse posted on Jun 29 2022 7:37PM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: N Notice Stat Desc: INITIATE Notice Type Desc: PRESS RELEASE OR COMPANY NEWS Post D/T: 06/29/2022 7:08 PM MCT Notice Eff D/T: 06/30/2022 7:08 PM MCT Notice End D/T: 07/13/2022 7:08 PM MCT Reqrd Rsp Desc: Respond by specified date and time Rsp D/T: 06/29/2022 7:08 PM Notice ID: 22-081 Prior Notice: Subject: Binding Open Season and Reverse Open Season for Northwest Pipeline LLC's Palouse Notice Text:

Northwest Pipeline LLC ("Northwest") hereby announces that it is holding a binding open

season and is soliciting firm commitments for year-round firm transportation capacity to be

made available by a proposed in-service date of October 1, 2023, under its proposed Palouse

to Pasco Connector (“PPC Project”) (“PPC Binding Open Season”).

Concurrently with the PPC Binding Open Season, Northwest is soliciting offers for the

permanent relinquishment of firm transportation capacity on the Northwest system in

connection with the PPC Project. Specifically, shippers under Northwest’s Rate Schedule

TF-1 holding primary firm transportation capacity within the path and direction of the PPC

Project (defined as “Relinquishment Path” below) may offer that capacity for

relinquishment, subject to the conditions set forth below (“Reverse Open Season”).

The PPC Binding Open Season and the Reverse Open Season will each commence at 11:00

a.m. CST on June 30, 2022, and end at 5:00 p.m. CST on July 13, 2022 (the “Open Season

Period”).

More detailed information, including the open season, reverse open season and confidentiality

Documents can be found at:

http://www.northwest.williams.com/NWP_Portal/downloadsOther.action