Southern Natural Gas Company 2014 Outage Review Meeting Customer con call and Webex March 19, 2014

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Agenda Review Unscheduled Outages Review of Upcoming Outages Contacts 4/26/2017 10:28 AM Agenda Review Unscheduled Outages Review of Upcoming Outages March/April & May North System South System South Louisiana Outages for the remainder of 2014 Contacts © 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

4/26/2017 10:28 AM Disclaimers 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 Southern Natural Gas Pipeline tariff to mean a period of twenty-four consecutive hours, beginning and ending at 9:00 a.m. (Central Clock Time). Scheduled dates are subject to change. Projects may be added, altered, delayed or cancelled. SNG will provide notice of such additions or changes via SoNet Premier postings. Dates as posted on SoNet should be deemed correct in the event of conflicts between SoNet posted dates and dates within this presentation. © 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

Color Key for Maps Green Yellow Red No Impact Anticipated Restrictions are possible With extended duration, restrictions could be necessary from time to time Meter(s) affected are noted with (M) Red Restrictions are probable

Southern Natural Gas Pipeline Chattanooga SC North System Muldon GA MS Aiken Elba Express Atlanta Bear Creek Thomaston Elba South System Enterprise Gwinville AL Albany LA Pearl River South Louisiana Franklinton White Castle FL Compressor Station Storage Field LNG

Southern Natural Gas Pipeline Unscheduled Outage Update Chattanooga SC Muldon GA MS 8” West Point Line outage. Aiken Elba Express Atlanta Bear Creek Auburn Thomaston Elba Enterprise Gwinville AL Albany LA Pearl River Auburn Station unit outage. Return to service still pending Franklinton White Castle FL Toca Compressor Station Storage Field LNG

SNG North System Maintenance Review March/April & May Muldon Spring Shut-in test 4/8/14 to 4/14/14 DIQ and DWQ allocated 36% Chattanooga 24” 2nd North Main line remediation-east & west of Tarrant 3-24-14 thru 5-30-14 Bear Creek unit maintenance one unit at a time 3-25-14 to 4-3-14 Huntsville Muldon unit maintenance Sometime in May AL Rome Bear Creek Spring Shut-in test 4/22/14 to 4/28/14 DIQ and DWQ allocated 64% Muldon Storage Tarrant Atlanta Bell Mills Pell City McConnells MS Reform DeArmanville Louisville Providence GA Pickens 14” Chattanooga Branch line Calhoun tap to Rome station Pig run-4/1/14 to 4/3/14 Onward Bear Creek Storage 24” 2nd North Mainline Hydro-test- east & west of Tarrant capacity reduced approximately 225 MMcf/d 3/31/14 to 6/7/14 AL Logansport Bienville Rankin LA 16” Logansport line Bienville station to Perryville regulator pig run 3/25/14 to 3/28/14. No customer impact Compressor Station Storage Field 16” Logansport Supply line Logansport station to Bienville station pig run May/June Receipt points could see higher than normal pressures Southern will be conducting other general maintenance during this period

SNG South System Maintenance Review March/April & May MS Hartwell Selma unit maintenance 5/5/14 thru 5/21/14 Aiken Atlanta Elba Express GA Ocmulgee Wrens Hallgate AL Thomaston unit maintenance In the month of April Ellerslie Auburn Thomaston Elba Gallion Selma Elmore Riceboro York Holy Trinity Enterprise Bay Springs Albany Auburn unit maintenance 5/5/14 thru 5/16/14 Gwinville Brookman Pavo Compressor Station Storage Field LNG Southern will be conducting other general maintenance during this period

SNG South Louisiana System Maintenance Review March/April & May Gwinville MS LA Pearl River Franklinton West Leg White Castle East Leg White Castle, Shadyside Unit Maintenance April and May West Leg Capacity impact up to 150 MMcf/d Shadyside Toca Compressor Station Storage Field Southern will be conducting other general maintenance during this period

SNG North System Maintenance Review remainder of 2014 Chattanooga Pipeline remediation 24” North Main 2nd Loop line September/October Muldon Fall Shut-in Test 10/7/14 thru 10/13/14 DIQ and DWQ allocated 36% Huntsville Pipeline relocation on 30” field storage line sometime this summer Stopple by-pass Rome Atlanta Muldon Storage Bell Mills Bear Creek Fall Shut-in Test 10/21/14 thru 10/27/14 DIQ and DWQ allocated 64% Tarrant Pell City McConnells MS Reform Providence DeArmanville Louisville GA Pickens Remediation on the 24” North Main Loop line 7/7/14 thru 8/10/14 Onward Bear Creek Storage AL Rankin Bienville Bear Creek unit maintenance 12/01/14 thru 01/31/15 Logansport LA Southern will be conducting other general maintenance during this period Compressor Station Storage Field

SNG South System Maintenance Review remainder of 2014 Ellerslie unit maintenance In October Pipeline replacement on the 30” South Main Loop line 9/15/14 thru 11/1/14 Capacity reduced up to 240 MMcf/d Hartwell AL Aiken Atlanta Pipeline replacement on the 24” South Main Loop line 8/4/14 thru 9/12/14 Capacity reduced up to 100 MMcf/d Elba Express GA Wrens Ocmulgee Hallgate MS Ellerslie Pipeline Remediation on South Main 2nd Loop line 6/16/14 thru 6/20/14 Selma Auburn Thomaston Elba Gallion Elmore Holy Trinity Riceboro York Enterprise Bay Springs Albany Auburn unit maintenance September /October Gwinville Brookman Hydro-test 6” Line -26 East Dougherty 7/28/14 thru 8/15/14 (M)Ashburn (960050) (M)Douglas (960170) (M)Fitzgerald (960190) (M)Ocilla (960280) (M)Sylvester (960340) (M)Tifton area (960378)   Pavo Compressor Station Storage Field LNG Southern will be conducting other general maintenance during this period

SNG South Louisiana System Maintenance Review remainder of 2014 Gwinville MS Pearl River LA Franklinton Southern will be conducting other general maintenance during this period West Leg White Castle East Leg Shadyside White Castle, Shadyside Unit Maintenance Mid September - mid October West Leg Capacity impact up to 150 MMcf/d Toca Compressor Station Storage Field

Gas Control Contacts Nancy Barton – Manager (713) – 420 – 6191 (office) (713) – 204 – 4815 (cell) nancy_barton@kindermorgan.com Adam Krustchinsky – Manager (713) – 420 – 3265 (office) (713) – 202-7035 (cell) Kalman (Kal) Dankovich – Outage Coordinator (713) – 420 – 7522 (office) (205) – 325 – 7305 (Gas Control) kalman_dankovich@kindermorgan.com Jimmy Reese – Lead Controller (713) – 420 – 7310 (office) jerry_peterson@kindermorgan.com Jerry Peterson – Operations Analyst (205) – 325 – 7345 (office) Paul Reed – Operations Analyst (205) – 325 – 7655 (office) paulr_reed@kindermorgan.com  

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