Northern has scheduled the service outages that will affect operating capacity within the months of March 2026 through October 2026. 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.

Market/Field Area Combined

Allocation Group(s)/Point(s): Field to Demarc (Group 831) and Beatrice North (Group 832)

Location: Northern’s pipelines and compressor stations located between the Mullinville, Kansas, and Ogden, Iowa, compressor stations

Project Description: Compressor station and pipeline maintenance

Month: April 2026 through October 2026

Direction of Flow:

Delivery: Field to Demarc (Group 831) and Beatrice North (Group 832)

Capacity Impact: Northern does not anticipate primary firm service will be impacted for Beatrice North (Group 832) and Field to Demarc (Group 831).

Revision: Capacity impacts for Field to Demarc (Group 831) and Beatrice North (Group 832) have been updated for April 2026.

Market Area

Allocation Group(s)/Point(s): Ventura South (Group 735)

Location: Northern’s pipelines and compressor stations between Ventura, Iowa, and Ogden, Iowa

Project Description: Pipeline maintenance

Month: April 2026

Direction of Flow:

        Delivery: Ventura South (Group 811)

Capacity Impact: Northern does not anticipate primary firm service will be impacted for Ventura South (Group 735).

Allocation Group(s)/Point(s): Waterloo East (Group 773), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488)

Location: Northern’s pipelines and compressor stations between Waterloo, Iowa, and Belleville, Iowa

Project Description: Compressor station and pipeline maintenance

Month: May 2026 and June 2026

Direction of Flow:

Delivery: Waterloo East (Group 773), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488)

Capacity Impact: Northern does not anticipate primary firm service will be impacted for Waterloo East (Group 773), Earlville East (Group 487) and Galena East (Group 463). Primary firm service will not be impacted for Belleville East (Group 488).

Revision: Capacity impacts for Waterloo East (Group 773), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488) have been included for May 2026 and June 2026.

Please see Operationally Available Capacity on Northern’s website for current flow information and the Field Area Group Allocation Maps and Market Area Group Allocation Maps for a list of impacted points.

If you have any questions, contact your customer service or marketing representative.