Northwest Pipeline LLC NOTICE #28697 Proposed OFO Tariff Change Review Materials posted on Nov 6 2018 11:28AM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: N Notice Stat Desc: INITIATE Notice Type Desc: OTHER Post D/T: 11/06/2018 11:28 AM MCT Notice Eff D/T: 11/06/2018 11:28 AM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 18-128 Prior Notice: 18-127 Subject: Proposed OFO Tariff Change Review Materials Notice Text: As previously communicated in All Shipper Notice No. 18-127, Northwest will be holding a conference call on Friday, November 9, 2018 from 10:00 a.m. 11:30 a.m. MST to discuss some proposed tariff changes to its OFO provisions in the event Northwest's shippers are unable to comply with their OFO obligations due to lack of supplies as a result of a major supply disruption similar to the Enbridge incident that occurred on October 9, 2018. In preparation for the meeting, Northwest has posted its proposed redline tariff changes and transmittal letter on Northwest's website under Regulatory/Proposed Tariff Filings at the following link: http://www.northwest.williams.com/NWP_Portal/ (click 'Regulatory,' then 'Proposed Tariff Filings'). The call-in number for the conference call is 1-385-355-3006. The conference code is 5655198. mr/gv/jr