Southern Natural Gas Company 2019 Outage Review Meeting

Southern Natural Gas Company 2019 Outage Review Meeting Customer con call and Webex May 22, 2019 1

Welcome 2

Agenda • Review of current and upcoming notable Outages– May/June/July • Unscheduled outages • North System • South Louisiana • EEC 2019 • 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 Southern’s electronic bulletin board postings. • Dates as posted on the EBB should be deemed correct in the event of conflicts between the EBB posted dates and dates within this presentation. 4

Color Key for Maps • Yellow – Restrictions are possible – With extended duration, restrictions could be necessary from time to time – Lower than normal pressures may be experienced – Meter(s) affected are noted with (PIN #) • Red – Restrictions are probable 5

Southern Natural Gas Pipeline Chattanooga Rome Mc. Connells Louisville Reform Pickens Bear Creek Bienville Pell City De. Armanville Logansport Ocmulgee Auburn Bay Springs Enterprise Gwinville LA York Atlanta Providence Onward Rankin GA Bell Mills Tarrant Gallion Selma ress Exp MS SC Hartwell Elba North System Muldon Elmore South System AL Ellerslie Aiken Wrens Hall Gate Thomaston Elba Holy Trinity Riceboro Albany Brookman Pearl River Pavo South Louisiana Franklinton White Castle Toca FL Compressor Station Shady Side Storage Field LNG 6

Southern Natural Gas Pipeline Unscheduled Outage Update Chattanooga Rome Providence Louisville GA Tarrant Mc. Connells Reform Atlanta Pell City De. Armanville Pickens Bear Creek Onward Logansport Auburn Rankin Bay Springs Bienville Enterprise Gwinville LA Gallion York Selma SC Hartwell ress Exp MS North System Bell Mills Elba Muldon Hall Gate Ocmulgee Aiken Wrens Ellerslie Thomaston Elba Elmore Holy Trinity South System AL Riceboro Albany Brookman Pearl River Pavo South Louisiana Franklinton White Castle Toca FL Compressor Station Shady Side Unanticipated leak on the SS 28 line in Segment 340. SNG will not be able to accept receipts. Reference notice of Force Majeure 703014 posted on 1 -30 -19 Storage Field LNG 7

SNG North System Maint. Review May/June/July Hydro-test East Gadsden & loop (37027) 6 -22 -19 to 7 -13 -19 Chattanooga Extension Pigging 2 nd. NML(37000) 7 -22 -19, 7 -23 -19, and 7 -25 -19. Huntsville East of Tarrant Pigging on NML(37015) 7 -9 -19 & 7 -12 -19 Pickens to Louisville Rome AL Muldon Storage MS Tarrant Mc. Connells Reform Louisville De. Armanville Providence GA Pickens Onward AL Bear Creek Storage Logansport Bienville Rankin LA Pigging Montgomery Columbus line(37012) -7 -3019 and 7 -31 -19 Atlanta Bell Mills Pell City P/L maintenance NMLL 5 -2019 to 5 -25 -19. Seg. 140 capacity of 474 Mdth/d impacted up to 227 Mdth/d East of Pell City Pigging on NML(37044) 5 -21 -19 & 5 -22 -19 East of Providence Southern will be conducting other general maintenance during this period Compressor Station Storage Field 8

SNG South System Maint. Review May/June/July MS Pigging Thomaston Griffin 2 nd Loop line(37023) 6 -4 -19 & 6 -5 -19 Pigging SML(37020) Enterprise to Gallion 6 -11 -19, 6 -12 -19, 6 -13 -19, 6 -18 -19, & 6 -21 -19 York Selma Wrens Ocmulgee Hallgate Ellerslie Auburn Thomaston Elba Elmore Enterprise Gwinville Pigging SML(37080) East of Gallion 6 -25 -19, 6 -26 -19 and 6 -28 -19 Riceboro. Pigging Brunswick line(37005) 6 -10 -19 and 6 -12 -19 Hydro test East Dougherty line 26(37047) 6 -29 -19 to 7 -13 -19 Holy Trinity Bay Springs Pigging SML(37031) Gwinville to Enterprise Week of 6 -10 -19 & 8 -12 -19 ress Exp GA AL Gallion Aiken Elba Atlanta Pigging Upson Co. line (37024) in July, dates TBD Unit Maint. At Gwinville Sta. 6 -17 -19 to 10 -4 -19 Seg. 390 capacity of 1, 607 Mdth/d reduced up to 235 Mdth/d. Seg. 400 Cap. Of 234 Mdth/d impacted up to 64 Mdth/d 6 -24 -19 to 823 -19 Unit Maint. At Ocmulgee comp. Sta. 6 -12 -19 to 11 -15 -19 Seg. 530 capacity of 804 Mdth/d reduced up Hartwell to 72 Mdth/d Albany Brookman Pavo Compressor Station Storage Field LNG Southern will be conducting other general maintenance during this period 9

SNG South Louisiana System Maint. Review May/June/July Gwinville Remediation on WCFLL(37066) 6 -5 -19 to 7 -8 -19 Seg. 350 capacity of 701 Mdth/s reduced up to 102 Mdth/d White Castle and Shadyside unit maintenance 4 -1 -19 to 5 -31 -19 Segment 350 capacity of 701 Mdth/d impacted as much as 100 Mdth/d Pearl River MS LA Maintenance pigging(37052) Franklinton to Gwinville 2 nd Loop line Seg. 370 on 5 -30 -19, 5 -31 -19, 6 -4 -19, and 6 -6 -19 Franklinton West Leg White Castle Toca East Leg Shadyside Compressor Station Storage Field Southern will be conducting other general maintenance during this period 10

EEC line May/June/July Chattanooga Rome Providence Louisville GA Tarrant Mc. Connells Reform Atlanta Pell City De. Armanville Pickens Bear Creek Onward Logansport Auburn Rankin Bay Springs Bienville Enterprise Gwinville LA Gallion York Selma SC Hartwell ress Exp MS North System Bell Mills Elba Muldon Hall Gate Ocmulgee Aiken Wrens Ellerslie Thomaston Elba Elmore Holy Trinity South System AL Riceboro Albany Brookman Pearl River Pavo South Louisiana Franklinton White Castle Toca FL Compressor Station Shady Side Storage Field LNG 11

SNG North System Maint. Review remainder of year Pigging NMLL (37081) 8 -27 -19 & 8 -29 -19 West of Tarrant Pigging 14” Logansport line in Seg. 10 - last half of year, dates TBD Pigging Logansport loop line in Seg. 30 - last half of year, dates TBD Motor inspections at Fairburn. Sta. offline for 3 days last of October, Huntsville dates TBD Rome AL Hydro-Test on Bessemer Calera line(37025) 8 -5 -19 to 8 -19 -19 Muldon Shut-in test 10 -1 -19 to 10 -7 -19 DIQ and DWQ allocated 36% Chattanooga Muldon Storage MS Tarrant Mc. Connells Reform Louisville Pell City Bell Mills Atlanta De. Armanville Providence GA Pickens Onward AL Bear Creek Storage Logansport Bienville Bear Creek Shut-in test 10 -15 -19 to 9 AM 10 -22 -19 DIQ and DWQ allocated 64% LA Maint. At Logansport and Bienville in the fall, date TBD Rankin Remediation on Gwinville Pickens loop line last half of year, dates TBD. Seg. 400 capacity of 234 Mdth/d reduced up to 67 Mdth/d Pigging NMLL(37083) west of Louisville-in August, dates TBD Southern will be conducting other general maintenance during this period Pigging Bessemer Calera loop line(37079) last half of year, dates TBD Pigging NMLL(37017) 820 -19, 8 -21 -19, 8 -23 -19, and 8 -26 -19. . Compressor Station Storage Field 12

SNG South System Maint. Review Remainder of the year MS Remediation on the Douglas line 37(37007) September, dates TBD Pigging on SMLL(37022) East of Elmore 9 -24 -19, 9 -26 -19, & 9 -3019 Gallion Selma Atlanta ress Exp AL Pigging Gwinville Pickens loop line(37049) 8 -5 -19 and 8 -8 -19 Hartwell GA Remediation on the Marietta Branch line(37037) Last half of year, dates TBD Aiken Elba Pigging SM 3 rd. LL(37077) East of Enterprise 8 -13 -19 & 8 -15 -19 Pigging Graniteville Expansion line(37006) 7 -16 -19 & 7 -18 -19 Wrens Ocmulgee Hallgate Ellerslie Auburn Elmore York Holy Trinity Enterprise Thomaston Pigging SM 2 nd. LL(37019) East of Ocmulgee 7 -23 -19, 7 -24 -19, & 7 -2519 Elba Riceboro Bay Springs Gwinville Sta. Maint. At Gwinville October timeframe Dates TBD Seg. 410 capacity of 1, 658 Mdth/d reduced up to 270 Mdth/d IT & OOP could be impacted Unit Maint. At Enterprise 9 -2 -19 to 9 -27 -19. Seg. 430 capacity of 2, 283 Mdth/d reduced up to 177 Mdth/d IT & OOP could be impacted Pigging Montgomery #2 line(37085) 8 -12 -19 to 8 -17 -19 Albany Pavo Brookman P/L maintenance on Main line 01(37518)-October, dates TBD Southern will be conducting other general maintenance during this period Compressor Station Storage Field LNG 13

SNG South Louisiana System Maint. review Remainder of year Gwinville Pearl River MS LA Franklinton West Leg White Castle Toca East Leg Shadyside Southern will be conducting other general maintenance during this period White Castle and Shadyside unit maintenance 9 -1 -19 to 10 -31 -19 Segment 350 capacity of 701 Mdth/d impacted as much as 100 Mdth/d Compressor Station Storage Field 14

Gas Control Contacts • Reese Hart – Manager (713) – 420 – 4774 (office) (832) – 248 -2937 (cell) Maurice_hart. III@kindermorgan. com • Kal Dankovich – Outage Coordinator (713) – 420 – 7522 (office) kalman_dankovich@kindermorgan. com • Jimmy Reese – Lead Controller (713) – 420 – 7310 (office) jimmy_reese@kindermorgan. com • Daniel Mitchell – Lead Controller (713) – 420 – 5874 (office) daniel_mitchell@kindermorgan. com 15

Questions? 16