Southern Natural Gas Company 2013 Outage Review Meeting

1. Southern Natural Gas Company2013 Outage Review Meeting Customer con call and Webex April 18, 2013

2. Welcome Rob Perkins SNG Gas Control

3. Agenda • Review Unscheduled Outages • Review of Upcoming Outages • April/May & June • North System • South System • South Louisiana • Outages for the reminder of 2013 • North System • South System • South Louisiana • Contacts

4. 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.

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

6. Southern Natural Gas Pipeline Chattanooga SC North System Muldon GA MS Aiken ElbaExpress 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

7. Southern Natural Gas Pipeline Unscheduled Outage Update Chattanooga Hall Gate unit outage Projected return 5/9/13 SC Muldon GA MS Aiken ElbaExpress Atlanta Bear Creek Thomaston Elba Enterprise Gwinville AL LA Albany Pearl River Enterprise unit outage, Projected return to service 4/19/13 Cap reduced up 125 MMcf/d Franklinton unit outage Projected return 4/18/13 Franklinton White Castle FL Compressor Station Storage Field LNG

8. SNG North SystemMaintenance Review April/May & June Chattanooga Huntsville Rome Muldon field outage starting 6/24/13 to 6/28/13 Pell City unit maintenance on going until 5/2/13 Muldon Storage Atlanta Tarrant Bell Mills Bear Creek Spring Shut-in Test 4/23/13 – 4/29/13 DIQ and DWQ allocated 64% Pell City McConnells MS DeArmanville Louisville Providence GA Reform Pickens Onward Anomaly Repairs 6” Rome-Calhoun Line Starting 5/13/13 – 5/24/13 (M) 790750 Plant Marglen Bear Creek Storage AL Bear Creek 1 unit down starting mid June for 8 weeks Bienville Rankin Logansport Southern will be conducting other general maintenance during this period LA Pigging 14” Logansport Line 4/23/13 (M) 540000, 051350 Compressor Station Storage Field

9. SNG South SystemMaintenance Review April/May & June Thomaston maintenance 5/6/13 – 5/10/13 Cap reduced up to 200 MMcf/d MS Hartwell Aiken Pressure Test on the 30” South Main 2nd Loop and 24” South Main Loop (one line at a time) 5/1/13 – 6/30/13 Cap reduced up to 170 MMcf/d Atlanta Selma unit maintenance 6/03/13 – 6/28/13 Elba Express GA Ocmulgee Wrens Hallgate AL Enterprise Station Outage 5/7/13 – 5/11/13 and 6/11/13 – 6/15/13 Cap reduced up to 400 MMcf/d Ellerslie Thomaston Elba Auburn Gallion Selma Elmore Riceboro York Holy Trinity Enterprise Bay Springs Albany Maintenance on the 8” Demopolis Line 6/15/13 – 7/15/13 (M) 801400 Demopolis #1 (M) 801900 Citadel Cement Gwinville Elmore station outage 6/15/13 – 6/25/13 Cap reduced up to 300 MMcf/d GwinvilleStation Outage 4/15/13 – 4/19/13 Cap reduced up to 200 MMcf/d Brookman Pavo Compressor Station Storage Field LNG Southern will be conducting other general maintenance during this period

10. SNG South Louisiana System Maintenance Review April/May & June Gwinville MS LA Pearl River Lacombe Relocated to Enterprise Begins Mid April Franklinton Pressure Test 24” WC-Franklinton Loop Starting April 20 through the end of July Cap reduced up to 400 MMcf/d (M) 601400 Sugar Bowl #6 West Leg Lacombe White Castle East Leg Shadyside White Castle, Shadyside Unit Maintenance Scheduled During Pipeline Outage Toca Compressor Station Storage Field Southern will be conducting other general maintenance during this period

11. SNG North System Maintenance Review remainder of 2013 Chattanooga Muldon Fall Shut-in Test 10/01/13 – 10/07/13 DIQ and DWQ allocated 36% Huntsville Rome Muldon field outage starting 7/8/13 – 7/12/13 Atlanta Muldon Storage Bell Mills Bear Creek Fall Shut-in Test 10/15/13 – 10/21/13 DIQ and DWQ allocated 64% Pell City McConnells MS Tarrant DeArmanville Providence Louisville GA Reform Pickens Onward Pressure Test 12” Gadsden Branch Loop 4 week outage starting late July Bear Creek Storage AL Rankin Bienville Pressure Test 2ndNorth Main East of Reform 4 week outage October Logansport Pressure Test 2ndNorth Main East of Louisville 4 week outage early Fall North system supply maybe reduced LA Southern will be conducting other general maintenance during this period Compressor Station Storage Field

12. SNG South SystemMaintenance Review remainder of 2013 Maintenance on the 16” South Main Loop 3 weeks in September Hartwell AL Aiken Atlanta Elba Express Enterprise Station Outage 7/15/13 – October Rose Hill (M) 504001 Cap reduced up to 400 MMcf/d Selma unit maintenance In September GA Ocmulgee Wrens Hallgate MS Ellerslie Thomaston Elba Auburn Gallion Selma Elmore Riceboro York Holy Trinity Enterprise Bay Springs Albany Gwinville Auburn unit maintenance 7/8/13 – 7/30/13 and again in September Rose Hill M/S (M) 504001, 504002 July Outage Brookman Pavo Compressor Station Storage Field LNG Southern will be conducting other general maintenance during this period

13. SNG South Louisiana SystemMaintenance Review remainder of 2013 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 Toca Compressor Station Storage Field

14. Gas Control Contacts Nancy Barton – Manager (713) – 420 – 6191 (office) (713) – 204 – 4815 (cell) nancy_barton@kindermorgan.com Kalman (Kal) Dankovich – Outage Coordinator (713) – 420 – 7522 (office) (205) – 325 – 7305 (Gas Control) kalman_dankovich@kindermorgan.com Jerry Peterson – Operations Analyst (205) – 325 – 7345 (office) (205) – 325 – 7305 (Gas Control) jerry_peterson@kindermorgan.com Paul Reed – Operations Analyst (205) – 325 – 7655 (office) (205) – 325 – 7305 (Gas Control) paul_reed@kindermorgan.com

15. Questions?