Southern Natural Gas Company 2014 Outage Review Meeting Customer con call and Webex September 17,

Welcome 2

Agenda Review Unscheduled Outages Review of Upcoming Outages – September/October and November North System South System South Louisiana – Outages for the remainder of 2014 North System South System South Louisiana Contacts 3

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

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 noted with (M) Red – Restrictions are probable 5

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

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 Toca 8” West Point Line outage. Auburn Franklinton compressor station unit outage Return to service around March of 2015 Riceboro Brookman Ocmulgee Hall Gate Wrens Onward Pickens Louisville Reform McConnells Providence Tarrant Pell City Rome York Gallion Selma Bay Springs Elmore Holy Trinity Riceboro compressor station unit outage Repair plan being developed Ellerslie Ellerslie unit outage return to service White Castle compressor station unit outage Return to service around October 1, 2014

SNG North System Maint. Review Sept. thru November 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 8 Southern will be conducting other general maintenance during this period AL Remediation on 24” North Main Loop line to Pipeline remediation 24” North Main 2 nd Loop line thru Capacity reduced as much as 95 MMcf/d Bear Creek Fall Shut-in Test 10/21/14 thru 10/27/14 DIQ and DWQ allocated 64% Muldon Fall Shut-in Test 10/7/14 thru 10/13/14 DIQ and DWQ allocated 36% Muldon unit maintenance Two weeks in the fall Maintenance on 18” Atlanta –Austell line- October-stopple by-pass

SNG South System Maint. Review Sept. thru November 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 Pipeline replacement on the 30” South Main 2 nd Loop line thru 10/20/14 Capacity reduced up to 240 MMcf/d Enterprise unit maintenance-August 26 th thru October Maintenance 4” Fitzgerald Line –October- stopple by-pass Auburn unit maintenance October Enterprise station and Rose Hill three day outage end of September first of October timeframe Ellerslie units 8 & 9 outage to

SNG South La. System Maint. Review Sept. thru November 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 White Castle, Shadyside Unit Maintenance Mid September - October West Leg Capacity impact up to 150 MMcf/d

SNG North System Maintenance Review remainder of 2014 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 11 Southern will be conducting other general maintenance during this period

SNG South System Maintenance Review remainder of 2014 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 12 Brookman Riceboro Southern will be conducting other general maintenance during this period

SNG South Louisiana System Maintenance Review remainder of 2014 Shadyside White Castle Franklinton Toca Gwinville LA MS Compressor Station Storage Field Compressor Station Storage Field West Leg East Leg 13 Pearl River Southern will be conducting other general maintenance during this period

Gas Control Contacts Adam Krustchinsky – Manager (713) – 420 – 3265 (office) (713) – (cell) Kal Dankovich – Outage Coordinator (713) – 420 – 7522 (office) (205) – 420 – 7305 (Gas Control) Jimmy Reese – Lead Controller (713) – 420 – 7310 (office) (205) – 420 – 7305 (Gas Control) Daniel Mitchell – Lead Controller (205) – 420 – 5874 (office) (205) – 420 – 7305 (Gas Control) 14

Questions? 15