Northwest Pipeline LLC NOTICE #28766 Rangely Operations; Jackson Prairie IT and PAL Service, December 21-23, 2018 posted on Dec 19 2018 2:46PM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: Y Notice Stat Desc: INITIATE Notice Type Desc: OTHER Post D/T: 12/19/2018 2:46 PM MCT Notice Eff D/T: 12/19/2018 2:46 PM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 18-155 Prior Notice: Subject: Rangely Operations; Jackson Prairie IT and PAL Service, December 21-23, 2018 Notice Text: Northwest would like to encourage customers to voluntarily reduce its northbound nominations through the Rangely compressor station. With a design capacity of 350,655 Dth/d, current operational available capacity at Rangely is 370,000 Dth/d. Timely 1 nominations for gas day December 20 are approximately 384,000 Dth/d. If northbound primary firm scheduled quantities continue to exceed the operational available capacity, Northwest will declare an OFO. Northwest would also like to clarify storage operations at Jackson Prairie during the December 21-23, 2018 maintenance period. Northwest will: 1. allow nominations of up to 50,000 Dth/d to be scheduled both as an injection and a withdrawal; 2. NOT allow interruptible nominations into or out of Jackson Prairie; and 3. accept up to 10,000 Dth/d of Park and Loan at a rate of $0.10. Shippers can monitor throughput and storage quantities and obtain a copy of Northwest's OFO procedures on Northwest's website at www.northwest.williams.com. If you have any questions, please contact your Marketing Services Representative or the Scheduling Hotline at (801) 584-7301. DA/MS