-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

Seven Day Forecast (updated 09/18/25)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Monday (9/22)

Tuesday (9/23)

Wednesday (9/24)

Thursday (9/25)

Friday (9/26)

Saturday (9/27)

Sunday (9/28)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

203

203

203

203

203

203

203

203

Louisville East (segment 50)

520

360

(160)

360

(160)

360

(160)

360

(160)

360

(160)

520

520

Louisville Compressor Station: Scheduled Unit Maintenance Proj-4132LS (9/22/2025 - 9/26/2025)

Duncanville Lateral (segment 90)

36

36

36

36

36

36

36

36

Tarrant (segment 130)

563

513

(50)

513

(50)

513

(50)

513

(50)

513

(50)

513

(50)

513

(50)

Tarrant Compressor Station: Scheduled Unit Maintenance Proj-415214 (9/8/2025 - 10/10/2025)

Dearmanville (segment 150)

346

346

346

346

346

346

346

346

White Castle (segment 340)

750

707

(43)

707

(43)

707

(43)

707

(43)

707

(43)

707

(43)

707

(43)

Duck Lake Franklinton line south of White Castle: Scheduled Pipeline Maintenance(remediation) Proj-SNG-20777 (9/8/2025 - 10/6/2025)

LA West Leg (segment 350)

720

675

(45)

675

(45)

675

(45)

675

(45)

675

(45)

675

(45)

675

(45)

Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance Proj-SNG-2933 (9/15/2025 - 9/30/2025)

Sesh (segment 380)

506

506

506

506

506

506

506

506

Gwinville (segment 400)

234

234

234

234

234

234

234

234

Bay Springs (segment 420)

1,675

1595

(80)

1595

(80)

1595

(80)

1595

(80)

1595

(80)

1595

(80)

1595

(80)

Bay Springs Compressor Station: Scheduled Unit Maintenance Proj-52161 (7/8/2025 - 10/31/2025)

Enterprise (segment 430)

2,306

2111

(195)

2111

(195)

2111

(195)

2111

(195)

2111

(195)

2111

(195)

2111

(195)

Enterprise Compressor Station: Unscheduled Unit Maintenance Proj-522211 (6/5/2025 - 9/28/2025)

Enterprise Compressor Station: Unscheduled Unit Maintenance Proj-522211 (7/8/2025 - 9/28/2025)

Elmore (segment 460)

2,010

1735

(275)

1735

(275)

1735

(275)

1735

(275)

1735

(275)

2,010

2,010

Auburn Compressor Station: Scheduled Unit Maintenance Proj-52591 (9/15/2025 - 9/26/2025)

Elmore Compressor Station: Scheduled Unit Maintenance Proj-525112 (9/15/2025 - 9/26/2025)

Ellerslie (segment 490)

1,547

1,547

1,547

1,547

1,547

1,547

1,547

1,547

South Atlanta (segment 510)

522

522

522

522

522

522

522

522

Thomaston East (segment 530)

849

849

849

849

849

849

849

849

South Georgia (segment 650)

127

127

127

127

127

127

127

127

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report. The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

October 2025 (updated 09/18/25)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Week 1 (9/29 - 10/5)

Week 2 (10/6 - 10/12)

Week 3 (10/13 - 10/19)

Week 4 (10/20 - 10/26)

Week 5 (10/27 - 11/2)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

203

203

153

(50)

153

(50)

153

(50)

203

Onward Compressor Station: Scheduled Unit Maintenance, Proj-411511 (10/6/2025 - 10/26/2025)

Duncanville Lateral (segment 90)

36

36

36

36

36

36

Tarrant (segment 130)

563

513

(50)

293

(270)

293

(270)

293

(270)

293

(270)

2nd North Main Line at Tarrant: Scheduled Pipeline Maintenance(PT), Proj-SNG-30507 (10/6/2025 - 10/28/2025)

Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415213 (10/16/2025 - 10/31/2025)

Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415214 (9/8/2025 - 10/10/2025)

Dearmanville (segment 150)

346

346

346

346

346

346

White Castle (segment 340)

750

707

(43)

707

(43)

750

750

750

Duck Lake Franklinton line south of White Castle: Scheduled Pipeline Maintenance(remediation), Proj- SNG-20777 (9/8/2025 - 10/6/2025)

LA West Leg (segment 350)

798

540

(258)

540

(258)

613

(185)

590

(208)

798

Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance, Proj-SNG-2933 (9/15/2025 - 9/30/2025)

Duck Lake Franklinton Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856 (10/13/2025 - 10/18/2025)

White Castle Franklinton loop line north of White Castle: Pipeline Maintenance(replacement), Proj-SNG-2933 (10/1/2025 - 10/12/2025)

White Castle Franklinton Loop Line north of White Castle: Scheduled Pipeline Maintenance,

Proj-SNG-22856 (10/20/2025 - 10/25/2025)

Sesh (segment 380)

500

448

(52)

500

465

(35)

445

(55)

500

SESH: Scheduled Maintenance (M) (10/1/2025) SESH: Scheduled Maintenance (M) (10/13/2025)

SESH: Scheduled Maintenance (M) (10/14/2025 - 10/15/2025) SESH: Scheduled Maintenance (M) (10/16/2025)

SESH: Scheduled Maintenance (M) (10/2/2025 - 10/3/2025) SESH: Scheduled Maintenance (M) (10/20/2025) SESH: Scheduled Maintenance (M) (10/21/2025)

SESH: Scheduled Maintenance (M) (10/22/2025)

Gwinville (segment 400)

234

234

234

234

234

234

Bay Springs (segment 420)

1,675

1595

(80)

1595

(80)

1595

(80)

1595

(80)

1595

(80)

Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 10/31/2025)

Enterprise (segment 430)

2,306

2111

(195)

2111

(195)

2111

(195)

2111

(195)

2111

(195)

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (9/29/2025 - 10/26/2025) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522213 (10/27/2025 - 10/31/2025) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522213 (11/1/2025 - 11/16/2025) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522216 (10/13/2025 - 10/17/2025)

Gallion (Segment 440)

2,300

2030

(270)

2030

(270)

2030

(270)

2,300

2,300

Gallion Compressor Station: Scheduled Unit Maintenance, Proj-523610 (9/29/2025 - 10/17/2025)

Selma (segment 460)

2,293

2233

(60)

2233

(60)

2,293

2,293

2,293

South Main Line east of Selma: Unscheduled Pipeline Maintenance(remediation), Proj-SNG-21455 (9/29/2025 - 10/7/2025)

Auburn (segment 460)

1,953

1533

(420)

1533

(420)

1673

(280)

1673

(280)

1693

(260)

Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (9/29/2025 - 10/31/2025) South Main 2nd loop line east of Ellerslie: Scheduled Pipeline Maintenance, Proj-SNG-2570p2 (10/2/2025

10/12/2025)

South Main loop line east of Ellerslie: Scheduled Pipeline Maintenance, Proj-SNG-2782 (10/13/2025 - 10/24/2025)

South Main loop line/South Main 2nd loop line east of Ellerslie: Scheduled Pipeline Maintenance, Proj-SNG 2570p1 (9/29/2025 - 10/1/2025)

Ellerslie (segment 490)

1,547

1,547

1,547

1,547

1,547

1,547

South Atlanta (segment 510)

522

522

522

522

522

522

Thomaston East (segment 530)

849

849

849

849

849

849

Ocmulgee (segment 530)

804

804

704

(100)

804

804

804

Ocmulgee Compressor Station: Scheduled Station Maintenance, Proj-5277 (10/7/2025 - 10/8/2025)

East/South Wrens (segment 560)

680

680

635

(45)

680

680

680

Wrens Compressor Station: Scheduled Station Maintenance, Proj-52882 (10/6/2025 - 10/10/2025) Wrens Compressor Station: Scheduled Station Maintenance, Proj-52883 (10/6/2025 - 10/10/2025)

South Georgia (segment 650)

127

127

127

127

127

127

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report. The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

November 2025 (updated 09/18/25)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Week 1 (11/3 - 11/9)

Week 2 (11/10 - 11/16)

Week 3 (11/17 - 11/23)

Week 4 (11/24 - 11/30)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

209

209

209

Duncanville Lateral (segment 90)

36

36

36

36

36

Dearmanville (segment 150)

355

355

355

355

355

White Castle (segment 340)

798

798

798

798

798

Sesh (segment 380)

500

500

500

500

500

Gwinville (segment 400)

234

234

234

234

234

Enterprise (segment 430)

2,450

2335

(115)

2335

(115)

2,450

2,450

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522213 (11/1/2025 - 11/16/2025)

Ellerslie (segment 490)

1,663

1,663

1,663

1,663

1,663

South Atlanta (segment 510)

537

537

537

537

537

Thomaston East (segment 530)

900

900

900

900

900

South Georgia (segment 650)

143

143

143

143

143

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

December 2025 (updated 09/18/25)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Week 1 (12/1 - 12/7)

Week 2 (12/8 - 12/14)

Week 3 (12/15 - 12/21)

Week 4 (12/22 - 12/28)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

209

209

209

Duncanville Lateral (segment 90)

36

36

36

36

36

Dearmanville (segment 150)

355

355

355

355

355

White Castle (segment 340)

798

798

798

798

798

Sesh (segment 380)

500

500

500

500

500

Gwinville (segment 400)

234

234

234

234

234

Enterprise (segment 430)

2,450

2,450

2,450

2,450

2,450

Ellerslie (segment 490)

1,663

1,663

1,663

1,663

1,663

South Atlanta (segment 510)

537

537

537

537

537

Thomaston East (segment 530)

900

900

900

900

900

South Georgia (segment 650)

143

143

143

143

143

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

January 2026 (updated 09/18/25)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Week 1 (12/29 - 1/4)

Week 2 (1/5 - 1/11)

Week 3 (1/12 - 1/18)

Week 4 (1/19 - 1/25)

Week 5 (1/26 - 2/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

209

209

209

209

Duncanville Lateral (segment 90)

36

36

36

36

36

36

Dearmanville (segment 150)

355

355

355

355

355

355

White Castle (segment 340)

798

798

798

798

798

798

Sesh (segment 380)

500

500

500

500

500

500

Gwinville (segment 400)

234

234

234

234

234

234

Enterprise (segment 430)

2,450

2,450

2,450

2,450

2,450

2,450

Ellerslie (segment 490)

1,663

1,663

1,663

1,663

1,663

1,663

South Atlanta (segment 510)

537

537

537

537

537

537

Thomaston East (segment 530)

900

900

900

900

900

900

South Georgia (segment 650)

143

143

143

143

143

143

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.