D E P E N D A B L E N A T U R A L G A S

TGP Outages August, September & October Customer Webex July 25, 2017

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Review of Upcoming Outages

August

September

October

Future Significant Outages

Q&A

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Anticipated Impacts are estimates. Actual nominations, market demand, weather and pipeline conditions, etc. will determine if, and through what level, restrictions become necessary.

Unless otherwise stated, all scheduled dates represent gas days as defined in the Tennessee Gas Pipeline tariff to mean a period of twenty-four consecutive hours, beginning and ending at 9:00 a.m. (Central Clock Time).

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Scheduled dates are subject to change.

Projects may be added, altered, delayed or cancelled.

TGP will provide notice of such additions or changes via DART postings.

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

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Yellow

Restrictions are possible, but not likely

With extended duration, restrictions could be necessary from time to time

(M) denotes that meter(s) may be impacted, refer to EBB posting

Red

Restrictions are probable

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Zone 0 (August– October)

Pressure Weld Replacement (M) MLV 17-1 to 12-1 (9/1/2017 - 10/31/2017)

Capacity of 688k reduced to 650k (seg. 101 BH)

Automation Control Update Sta. 409A (9/18/17 – 10/13/17)

Capacity of 242k reduced to 150k-185k (seg. 492 FH)

Spike Test (M) MLV 17-1 to 20-1 (7/31/2017 - 9/30/2017)

Capacity of 734k reduced to 550k (seg. 109 BH)

Hydrotest (M) MLV 702-1 (9/5/2017 - 9/30/2017)

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Zone L (August– October)

Cameron LNG Project: Hydrotest (M) MLV 826-1 to 827-1 (M) (7/28/2017 - 8/14/2017)

Capacity of 83k is reduced to 0 (seg. 823 BH)

Cameron LNG Project: Cooling System Upgrade Sta. 823 (9/1/2017 - 11/30/2017)

ILI/Cleaning MLV 827-1 to 823-1 (M) (9/11, 9/12 & 9/14)

Sabine to 823-1 (M) (9/25, 9/26 & 9/28)

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Zone 1 (August– October)

Cameron LNG Project: Delhi Lateral Tie-In MLV 836 -1 to 837-1 (8/21/2017 - 8/31/2017)

Station Tie-In Sta. 836A ( 8/21/2017 – 8/31/2017

Capacity of 223k is reduced to 0 (seg. 834 BH)

Cameron LNG Project: Hydrotest MLV 846-1 to 847-1( 9/15/2017 – 10/15/2017) Capacity of 223k is reduced to 0 (seg. 834 BH)

Cameron LNG Project: Station Reversal Sta. 847 (8/12/2017 -12/14/2017)

Hydrotest/ Pipe Replacement Sta. 71 Area - Lines 1, 2 & 4 (M) (7/7/2017 - 11/3/2017)

Hydrotest/ Pipe Replacement Sta. 79 Area – Lines 1, 2, 3 & 4 (M) (8/7/2017 - 11/18/2017)

Drip Removal Sta. 534 (M) (8/8/2017 – 8/30/2017)

ILI/Cleaning MLV 547J-101 to 547J-102(M) (8/15 & 8/16)

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Zone 2 & 3 (August– October)

ILI/Cleaning MLV 96-2 to 87-2 (8/22, 8/24 & 8/29)

Capacity of 2,369 reduced to 2,120 (seg. 187 BH)

Power Side Overhaul Station 871 -3A (7/31/2017 – 8/18/2017)

Capacity of 2,369 reduced to 2,220 (seg. 187 BH)

Spike Test MLV 106-4 to 108-4 (7/20/2017 – 10/7/2017)

Capacity of 2,369 reduced to 2,275 (seg. 187 BH)

Pipe Replacement / Broad Run Expansion Tie-In MLV 119-2 (TBD)

Capacity of 710k reduced to 300k (Seg. 114 BH)

New Station Tie-In Station 875 (9/11/2017 – 9/30/2017)

Capacity of 2,369 reduced to 2,150 (seg. 187 BH)

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Zone 4 (August– October) Susquehanna West Project - Electrical Tie-Ins

Sta. 317 (7/31/17 – 8/9/17 ) Power Company Outage

Sta. 317 (10/2/2017 – 10/6/2017) Capacity of 1,781 reduced to 1,680 (seg. 315 BH)

ESD Test Sta. 204 (5 Days outage each. Exact Dates TBD) Sta. 209 (5 Days outage each. Exact Dates TBD)

Capacity of 1,838 reduced to ~1,500 (seg. 204 BH)

Anomaly Remediation MLV 200-4B to MLV 204-4 (8/7/2017 – 8/13/2017 MLV 204-4 to MLV 208-4 (8/7/2017 – 8/13/2017) Capacity of 1,838 reduced to 1,400 (seg. 204 BH)

Anomaly Remediation MLV 321-2 to 325-2 (8/15/112017 – 8/26/2017) Capacity of 1,597 reduced to 1,090 (seg. 324 FH) Header Piping Modifications

Sta. 214 (9/18/2017 – 9/21/2017) Capacity of 1,838 reduced to 1,580 (seg. 204 BH)

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Zone 5 (August– October)

Unit Maintenance Sta. 245 (8/11/2014 – 8/14/2014)

Connecticut Expansion Tie-In MLV 251-1 & 251-3 Tie-Ins (7/31 /17 – 8/22/17)

Hydrotest MLV 251-2 & 252-2: Tie-In (7/24/2017 – 8/1/2017)

Capacity of 1,164 reduced to 780k -960k (seg. 256 FH)

Anomaly Remediation MLV 325-1 to 329-1 (8/28/112017 – 11/11/2017) MLV 321-2 to 325-2 (8/15/112017 – 8/26/2017

Capacity of 1,597 reduced to 1,090 - 1,280 (seg. 324 FH)

Borescope Inspection Sta. 245-1C (10/23/17 – 10/27/17)

Capacity of 1,029 reduced to 995 (seg. 245 FH)

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Zone 6 (August– October)

Connecticut Expansion Tie-In MLV 257-3 (7/24/2017 – 8/3/2017)

Capacity of 1,164 reduced to 980k (seg. 256 FH)

Connecticut Expansion Tie-In MLV 260-1 to 261-1 (8/7/2017 – 8/29/2017)

Capacity of 1080k reduced to 660k (seg. 261 FH)

Controls Replacement (M) Sta. 266A (9/26/2017 – 10/20/2017)

New England ILI/Cleaning Pig Runs MLV 270C-103 (8/4/17– 8/9/17)

MLV 270C-1100 – 270C-1101 (8/7/17 – 8/16/17)

Unit Maintenance Sta. 261-1C & 2C (9/19/17 – 9/20/2017)

Sta. 261-1D, 1C, 2C & 5A (9/12/17 – 9/28) Capacity of 1,080 reduced to 685k - 975k (seg. 260 FH)

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Pipe Replacement MLV 827-1 to 834-1 (Dates TBD)

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Zone 3

Broad Run Expansion Tie-In MLV 118-1 (11/24/2017 – 12/8/2017)

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Questions

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