1. Southern Natural Gas Company 2013 Outage Review Meeting Customer con call and Lync Online Meeting September 18, 2013 1

2. Welcome 2

3. Agenda Review of Unscheduled Outages Review of Current and Upcoming Outages – October through December North System South System South Louisiana Contacts 3

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. 4

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 5

6. Southern Natural Gas Pipeline LA MS AL GA FL Enterprise White Castle Bear Creek Muldon Chattanooga Atlanta Thomaston Albany Elba SC Aiken Elba Express North System South Louisiana South System 6 Compressor Station Storage Field LNG Compressor Station Storage Field LNG Pearl River Franklinton Gwinville Toca

7. Southern Natural Gas Pipeline Unscheduled Outage Update LA MS AL GA FL Enterprise White Castle Bear Creek Muldon Chattanooga Atlanta Thomaston Albany Elba SC Aiken Elba Express 7 Compressor Station Storage Field LNG Compressor Station Storage Field LNG Pearl River Franklinton Gwinville 20” Duck Lake – Franklinton Line Anomaly repairs under way. Return to service First of December Cap reduced up to 65 MMcf/d Toca

8. SNG North System Maintenance Review October through December LA MS AL GA Logansport Bienville Bear Creek Storage Onward Pickens Rankin Louisville Muldon Storage Reform McConnells Providence Tarrant Pell City DeArmanville Bell Mills Rome Compressor Station Storage Field Compressor Station Storage Field Huntsville Chattanooga Atlanta Bear Creek Fall Shut-in Test 10/15/13 thru 10/21/13 DIQ and DWQ allocated 64% Muldon Fall Shut-in Test 10/01/13 thru 10/07/13 DIQ and DWQ allocated 36% 8 Southern will be conducting other general maintenance during this period Pressure Test 2 nd North Main East of Reform 10/13 thru 11/13 Capacity reduced significantly Pipe replacement North Main Loop Line west of Dearmanville October No Capacity reductions anticipated Pressure Test 2 nd North Main East of Louisville thru 09/30/13 North system receipts may be reduced Muldon inj & w/d could be limited Anomaly repairs on the Gadsden Loop Line. Now thru end of October. Customers may experience lower pressures. Dearmanville Engine maintenance thru mid October. No additional impact anticipated Bienville Station 8-10 hour outage 10-8-13 receipt points west of Bienville impacted Bear Creek Engine maintenance-one unit at a time. 10-15-13 thru mid November

9. SNG South System Maintenance Review October through December MS AL GA Enterprise Gwinville Selma Auburn Ellerslie Thomaston Ocmulgee Hallgate Wrens Elmore York Gallion Bay Springs Compressor Station Storage Field LNG Compressor Station Storage Field LNG Atlanta Elba Hartwell Elba Express Aiken Holy Trinity Albany Pavo 9 Brookman Riceboro Southern will be conducting other general maintenance during this period Enterprise Station Outage until sometime in October Rose Hill (M) 504002 Cap reduced up to 400 MMcf/d Rose Hill (504001 and 504002) Station shut-in 7/29/13 until mid October. Pipeline work related to DOT highway relocation 10-25-13 thru 11-9-13 Capacity reductions may occur Selma and Auburn unit maintenance mid October through mid November Maintenance on the 16” South Main Loop. 4 weeks in October Cap reduced up to 50 MMcf/d Ocmulgee Station outage for two days mid November Cap reduced up to 200 MMcf/d Anomaly repairs North Clay line in October- Customers may experience lower pressures

10. SNG South Louisiana System Maintenance Review October through December Shadyside White Castle Franklinton Toca Gwinville LA MS Compressor Station Storage Field Compressor Station Storage Field West Leg East Leg 10 Pearl River Southern will be conducting other general maintenance during this period 20” Duck Lake – Franklinton Line Anomaly repairs continue. Return to service first of December Cap reduced up to 65 MMcf/d White Castle, Shadyside Unit Maintenance Mid September - mid October TOCA

11. Gas Control Contacts Nancy Barton – Manager (713) – 420 – 6191 (office) (713) – 204 – 4815 (cell) nancy_barton@kindermorgan.com 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) paulr_reed@kindermorgan.com 11

12. Questions? 12