Northwest Pipeline LLC NOTICE #30051 System-Wide Underrun Entitlement Warning posted on May 13 2021 10:19AM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: Y Notice Stat Desc: INITIATE Notice Type Desc: PIPELINE CONDITIONS Post D/T: 05/13/2021 10:19 AM MCT Notice Eff D/T: 05/13/2021 10:19 AM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 21-082 Prior Notice: Subject: System-Wide Underrun Entitlement Warning Notice Text:

Due to the on-going maintenance, anomaly investigations, high linepack and

limited balancing flexibility at Jackson Prairie, Northwest is unable to

sustain further banking on the system. As a result, Northwest is issuing a

system-wide Underrun Entitlement warning beginning gas day Friday, May 14,

2021 until further notice.

Northwest is also unable to receive extra gas from receipt locations and

encourages receipt location operators to only provide the amount of gas

scheduled.

If you have any questions, please contact your Commercial Services

Representative or the Scheduling Hotline at (713) 215-6301.