Northern has scheduled the service outages that will affect operating capacity within the months of December 2021 through January 2022. Please review the Planned Service Outage Summary for detailed information related to each outage.

A brief description of the most recent change(s) to the Planned Service Outage Summary follows.

Northern has completed the planned maintenance projects that were impacting Beaver North (Group 1025), PEPL/NNG Mullinville (POI 173), ANR/NNG Greensburg (POI 179), and Spraberry Station (Group 602). As a result, Northern will return the operating capacity level for the impacted group and points to normal operating levels effective for Gas Day December 8, 2021.

Field Area

Allocation Group(s)/Point(s): Beaver North (Group 1025), PEPL/NNG Mullinville (POI 173) and ANR/NNG Greensburg (POI 179)

Location: Northern’s mainlines between the Mullinville, Kansas and Macksville, Kansas compressor stations, and station modifications at the Beaver, Oklahoma and Mullinville, Kansas compressor stations

Project Description: Pipeline and compressor station maintenance

Months: December 2021

Direction of Flow: Delivery for Beaver North (Group 1025) and ANR/NNG Greensburg (POI 179), and receipt for PEPL/NNG Mullinville (POI 173)

Capacity Impact: Primary firm service will not be impacted.

Revision: Capacity impacts have been removed effective for Gas Day December 8, 2021.

Allocation Group(s)/Point(s): Spraberry Station (Group 602)

Location: Northern’s Spraberry, Texas compressor station

Project Description: Pipeline maintenance

Months: December 2021 through January 2022

Direction of Flow: Receipt

Capacity Impact: Primary firm service will not be impacted.

Revision: Capacity impacts have been removed for December effective for Gas Day December 8, 2021.