| |  |                                       |  |                 
| |  | ------------------------------------- |  | ----------------
| |  | SOUTHERN NATURAL GAS COMPANY          |  | Exhibit 10(c)(i)
| |  | FIRM TRANSPORTATION SERVICE AGREEMENT |  |                 
| |  | CONTRACT CODE FSNG1                   |  |                 
| |  | EXHIBIT A                             |  |                 



|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|------- |  | --------- |  | --------- |  | --------- |  |  |  | -------------- |  | -------------------------------- |  | -------
|SERVICE |  | SERVICE   |  | START     |  | PRIMARY   |  |  |  | RECEIPT POINTS |  | MDRQ                            
|TYPE    |  | TYPE CODE |  | DATE      |  | TERM      |  |  |  | POINT CODE     |  | POINT NAME                       |  | (MCF)  
|        |  |           |  |           |  |           | 
|FT/FTNN |  | 2         |  | 11/1/1993 |  | 8/31/2010 |  |  |  | 605500         |  | COLUMBIA GULF - SHADYSIDE TO SNG |  | 208    
|        |  |           |  |           |  |           |  |  |  | 606400         |  | SESH - CENTERPOINT TO SNG        |  | 219    
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|        |  |           |  |           |  |           |  |  |  |                |  | TOTAL PKG                        |  | 427    
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|        |  |           |  |           |  |           | 
|FT      |  | 29        |  | 5/1/2004  |  | 8/31/2010 |  |  |  | 605500         |  | COLUMBIA GULF - SHADYSIDE TO SNG |  | 16,129 
|        |  |           |  |           |  |           |  |  |  | 606400         |  | SESH - CENTERPOINT TO SNG        |  | 16,931 
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|        |  |           |  |           |  |           |  |  |  |                |  | TOTAL PKG                        |  | 33,060 
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|        |  |           |  |           |  |           | 
|FT      |  | 31        |  | 5/1/2004  |  | 8/31/2010 |  |  |  | 018450         |  | VKGC - MAIN PASS 289 TO SNG      |  | 2,057  
|        |  |           |  |           |  |           |  |  |  | 606400         |  | SESH - CENTERPOINT TO SNG        |  | 2,159  
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|        |  |           |  |           |  |           |  |  |  |                |  | TOTAL PKG                        |  | 4,216  
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|        |  |           |  |           |  |           | 
|FT      |  | 42        |  | 12/1/2006 |  | 9/30/2013 |  |  |  | 060000         |  | ELBA TO SNG                      |  | 30,000 
|        |  |           |  |           |  |           | 
|FT/FTNN |  | 43        |  | 10/1/2008 |  | 8/31/2010 |  |  |  | 030970         |  | BAYOU POSTILLION #7 - PVOG       |  | 19,941 
|        |  |           |  |           |  |           |  |  |  | 605500         |  | COLUMBIA GULF - SHADYSIDE TO SNG |  | 12,750 
|        |  |           |  |           |  |           |  |  |  | 606500         |  | SESH - GULF SOUTH TO SNG         |  | 32,539 
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|        |  |           |  |           |  |           |  |  |  |                |  | TOTAL PKG                        |  | 65,230 
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        
|        |  |           |  |           |  |           |  |  |  |                |  | TOTAL CONTRACT                   |  | 132,933
|        |  |           |  |           |  |           |  |  |  |                |  |                                  |  |        

|    |  |                         |  |  |  |  |  |     |  |                             
|--- |  | ----------------------- |  |  |  |  |  | --- |  | ----------------------------
|By: |  |                         |  |  |  |  |  | By: |  |                             
|    |  | ALABAMA GAS CORPORATION |  |  |  |  |  |     |  | SOUTHERN NATURAL GAS COMPANY

Effective Date: 10/01/2008

Supersedes the previous Exhibit A

The MDRQ for Service Type Code 42 is in effect
solely during the period October 1 through May 31 each year of the term.



---

SOUTHERN NATURAL GAS COMPANY

FIRM TRANSPORTATION SERVICE AGREEMENT

CONTRACT CODE FSNG1

EXHIBIT B



|            |  |                  |  |           |  |             |            |                |            |               |  |                |  |                 |  |                           |  |         |  |           |  |    
|----------- |  | ---------------- |  | --------- |  | ----------- | ---------- | -------------- | ---------- | ------------- |  | -------------- |  | --------------- |  | ------------------------- |  | ------- |  | --------- |  | ---
|            |  |                  |  |           |  |             |            | PRIMARY        |            |               |  | EVERGREEN      |  |                
|SERVICETYPE |  | SERVICETYPE CODE |  | STARTDATE |  | PRIMARYTERM |            | NOTICEREQUIRED |            | EVERGREENTERM |  | NOTICEREQUIRED |  | DELIVERY POINTS |  | MDDQ(MCF)                 |  | FT(MCF) |  | FTNN(MCF)
|            |  |                  |  |           |  |             | POINT CODE |                | POINT NAME |               |  |               
|FT/FTNN     |  | 2                |  | 11/1/1993 |  | 8/31/2010   |            | 365 DAYS       |            | YEARLY        |  | 365 DAYS       |  | 658500          |  | ALA - BIRMINGHAM AREA     |  | 1,182   |  | 427       |  | 755
|            |  |                  |  |           |  |             |            |                |            |               | 
|FT          |  | 29               |  | 5/1/2004  |  | 8/31/2010   |            | 365 DAYS       |            | YEARLY        |  | 365 DAYS       |  | 658500          |  | ALA - BIRMINGHAM AREA     |  | 17,060  |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 940002          |  | ALA - TUSCALOOSA AREA     |  | 15,000  |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 940006          |  | ALA - TALLADEGA AREA      |  | 1,000   |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  |                 |  |                           |  |         |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  |                 |  | TOTAL PKG                 |  | 33,060  |  | 33,060    |  | 0  
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  |                 |  |                           |  |         |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               | 
|FT          |  | 31               |  | 5/1/2004  |  | 8/31/2010   |            | 365 DAYS       |            | YEARLY        |  | 365 DAYS       |  | 940035          |  | ALA - JASPER AREA         |  | 4,216   |  | 4,216     |  |    
|            |  |                  |  |           |  |             |            |                |            |               | 
|FT          |  | 42               |  | 12/1/2006 |  | 9/30/2013   |            | 730 DAYS       |            | YEARLY        |  | 365 DAYS       |  | 805400          |  | ALA - MONT #5 (NORTH)     |  | 15,000  |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 805500          |  | ALA - MONT #6 (SOUTH)     |  | 15,000  |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  |                 |  |                           |  |         |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  |                 |  | TOTAL PKG                 |  | 30,000  |  | 30,000    |  | 0  
|            |  |                  |  |           |  |             |            |                |            |               | 
|FT/FTNN     |  | 43               |  | 10/1/2008 |  | 8/31/2010   |            | 365 DAYS       |            | YEARLY        |  | 365 DAYS       |  | 654700          |  | ALA - GADSDEN AREA        |  | 33,000  |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 658500          |  | ALA - BIRMINGHAM AREA     |  | 122,725 |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 659700          |  | ALA - ANNISTON AREA       |  | 36,150  |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 659900          |  | ALA - DEMOPOLIS AREA      |  | 6,589   |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 801600          |  | ALA - GREENE COUNTY       |  | 75      |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 803700          |  | ALA - SELMA #1            |  | 575     |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 803800          |  | ALA - SELMA #2            |  | 9,827   |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 805300          |  | ALA - MONTGOMERY #4       |  | 8,341   |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 805500          |  | ALA - MONT #6 (SOUTH)     |  | 16,595  |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 806000          |  | ALA - RUSSELL MILLS       |  | 261     |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 813600          |  | ALA - OPELIKA #3          |  | 5,695   |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 817400          |  | ALA - BRENT & CENTERVILLE |  | 1,200   |  |           |  |    
|            |  |                  |  |           |  |             |            |                |            |               |  |                |  | 834100          |  | ALA - PLANT MILLER        |  | 2       |  |           |  |    



Page 2 of 8



---

SOUTHERN NATURAL GAS COMPANY

FIRM TRANSPORTATION SERVICE AGREEMENT

CONTRACT CODE FSNG1

EXHIBIT B



|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  |                 |  |                           |  |         |  |         |  |        
|----------------------- |  | --------- |  | ---------------------------- |  | ---- |  | -------- |  | --------- |  | --------- |  | --------------- |  | ------------------------- |  | ------- |  | ------- |  | -------
|                        |  |           |  |                              |  |      |  | PRIMARY  |  |           |  | EVERGREEN |  |                 |  |                           |  |         |  |        
|SERVICE                 |  | SERVICE   |  | START                        |  | END  |  | NOTICE   |  | EVERGREEN |  | NOTICE    |  | DELIVERY POINTS |  | MDDQ                      |  | FT      |  | FTNN   
|TYPE                    |  | TYPE CODE |  | DATE                         |  | DATE |  | REQUIRED |  | TERM      |  | REQUIRED  |  | POINT CODE      |  | POINT NAME                |  | (MCF)   |  | (MCF)   |  | (MCF)  
|                        |  |           |  |                              |  |      |  |          |  |           | 
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 909700          |  | ALA - PHENIX CITY AREA    |  | 9,000   |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 940002          |  | ALA - TUSCALOOSA AREA     |  | 20,992  |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 940005          |  | ALA - LINCOLN AREA        |  | 1,900   |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 940006          |  | ALA - TALLADEGA AREA      |  | 5,850   |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 940011          |  | ALA - OPELIKA AREA        |  | 15,420  |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 940021          |  | ALA -FAIRFAX-SHAWMUT AREA |  | 5,682   |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 940022          |  | ALA - MONTGOMERY AREA     |  | 4,585   |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 940024          |  | ALA - TUSKEGEE AREA       |  | 8,103   |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 940035          |  | ALA - JASPER AREA         |  | 1,084   |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 940046          |  | ALA - REFORM AREA         |  | 600     |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  | 940056          |  | ALA - PELL CITY AREA      |  | 1,903   |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  |                 |  |                           |  |         |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  |                 |  | TOTAL PKG                 |  | 316,154 |  | 65,230  |  | 250,924
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  |                 |  |                           |  |         |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  |                 |  |                           |  |         |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  |                 |  |                           |  |         |  |         |  |        
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  |                 |  | TOTAL CONTRACT            |  | 384,612 |  | 132,933 |  | 251,679
|                        |  |           |  |                              |  |      |  |          |  |           |  |           |  |                 |  |                           |  |         |  |         |  |        
|                        |  |           | 
|                        |  |           |  |                              |  |     
|ALABAMA GAS CORPORATION |  |           |  | SOUTHERN NATURAL GAS COMPANY |  |     

Effective Date: 10/01/2008

Supersedes the previous Exhibit B

The MDDQ for FSNG1 shall be reduced by an average of 85,366 mcf for each of the months of April through September each year.

Such reduction was
authorized as mitigation in Docket Numbers RS92-10 and/or RP99-496 and is set forth at the delivery point

and corresponding receipt point level in Sonet
Premier. (Service Type Code 42 is excluded from this provision.)

The MDDQ for Service Type Code 42 is in effect solely during the period October 1
through May 31 each year of the term.



Page 3 of 8



---

Service Agreement: FSNG1

Effective: 10/1/2008

Supersedes the previous Exhibit B

EXHIBIT B

SHIPPER: Alabama Gas Corporation

These pages of the Exhibit B of Service Agreement FSNG1 detail the firm contract pressure obligations underlying

each delivery point MDDQ to Exhibit B of FSNG1.



|                |  |           |  |                  |  |             |  |                |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|--------------- |  | --------- |  | ---------------- |  | ----------- |  | -------------- |  | ---------------------------- |  | ------------------------ |  | -------------------- |  |  |  | ---------------------------------------------------------------- |  | --------------------------- |  | ---------------------------------------
|                |  |           |  |                  |  |             |  |                |  |                              |  |                          |  |                      |  |  |  | For Information Only: Stand AloneMeter Station Design Capability
|Point Name      |  | PointCode |  | MeterStationCode |  | MDDQ(mcf/d) |  | 6%MDDQ(mcf/hr) |  | DailyDeliveryCapacity(mcf/d) |  | PressureObligation(psig) |  | Line PressureMax/Min |  |  |  | MaxDailyCapability(mcf/d)                                        |  | MaxHourlyCapability(mcf/hr) |  | PressureUsed forStationCapability(psig)
|                |  |           |  |                  |  |             |  |                |  |                              | 
|Gadsden Area    |  | 654700    |  |                  |  | 33,000      |  | 1,980          |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|Ragland         |  |           |  | 841200           |  |             |  |                |  | 333                          |  | 50                       |  |                      |  |  |  | 672                                                              |  | 28                          |  | 50                                     
|Ashville        |  |           |  | 841400           |  |             |  |                |  | 714                          |  | Line                     |  | >100#                |  |  |  | 45,432                                                           |  | 1,893                       |  | 430                                    
|Gadsden 5       |  |           |  | 841900           |  |             |  |                |  | 683                          |  | 195                      |  |                      |  |  |  | 1,582                                                            |  | 66                          |  | 195                                    
|Gadsden 1       |  |           |  | 842200           |  |             |  |                |  | 19,616                       |  | 145                      |  |                      |  |  |  | 76,664                                                           |  | 3,194                       |  | 145                                    
|Gadsden 2       |  |           |  | 842300           |  |             |  |                |  | 3,502                        |  | 145                      |  |                      |  |  |  | 8,592                                                            |  | 358                         |  | 145                                    
|Gadsden 3       |  |           |  | 842400           |  |             |  |                |  | 3,162                        |  | Line                     |  | >150#                |  |  |  | 12,120                                                           |  | 505                         |  | 295                                    
|Gadsden 4       |  |           |  | 843000           |  |             |  |                |  | 3,131                        |  | 145                      |  |                      |  |  |  | 4,302                                                            |  | 179                         |  | 145                                    
|Gadsden 6       |  |           |  | 843600           |  |             |  |                |  | 1,859                        |  | 150                      |  |                      |  |  |  | 7,155                                                            |  | 298                         |  | 150                                    
|                |  |           |  |                  |  |             |  |                |  |                              | 
|Birmingham Area |  | 658500    |  |                  |  | 140,967     |  | 8,458          |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|Oak Grove       |  |           |  | 821200           |  |             |  |                |  | 290                          |  | 100                      |  |                      |  |  |  | 1,200                                                            |  | 50                          |  | 100                                    
|Forestdale      |  |           |  | 821800           |  |             |  |                |  | 1,472                        |  | 150                      |  |                      |  |  |  | 6,000                                                            |  | 168                         |  | 250                                    
|North Bham     |  |           |  | 822600           |  |             |  |                |  | 25,283                       |  | Line                     |  | 200# - 300#          |  |  |  | 121,608                                                          |  | 5,067                       |  | 350                                    
|Tarrant         |  |           |  | 822800           |  |             |  |                |  | 3,967                        |  | Line                     |  | >150#                |  |  |  | 37,920                                                           |  | 1,580                       |  | 320                                    
|Roebuck         |  |           |  | 825700           |  |             |  |                |  | 33,998                       |  | Line                     |  | >425#                |  |  |  | 118,656                                                          |  | 4,944                       |  | 475                                    
|Leeds #1        |  |           |  | 826400           |  |             |  |                |  | 2,228                        |  | 75                       |  |                      |  |  |  | 6,384                                                            |  | 266                         |  | 75                                     
|Leeds #2        |  |           |  | 826500           |  |             |  |                |  | 2,974                        |  | 300                      |  |                      |  |  |  | 12,288                                                           |  | 512                         |  | 300                                    
|Pleasant Grove  |  |           |  | 828600           |  |             |  |                |  | 6,405                        |  | Line                     |  | >575#                |  |  |  | 24,144                                                           |  | 1,006                       |  | 575                                    
|Bessemer #1     |  |           |  | 829200           |  |             |  |                |  | 5,560                        |  | Line                     |  | >560#                |  |  |  | 38,640                                                           |  | 1,610                       |  | 560                                    
|Bessemer #2     |  |           |  | 829300           |  |             |  |                |  | 3,453                        |  | Line                     |  | >485#                |  |  |  | 26,232                                                           |  | 1,093                       |  | 485                                    
|Genery Gap      |  |           |  | 830400           |  |             |  |                |  | 15,669                       |  | Line                     |  | >370#                |  |  |  | 90,624                                                           |  | 3,776                       |  | 500                                    
|Helena-Alagas   |  |           |  | 830900           |  |             |  |                |  | 3,767                        |  | Line                     |  | >325#                |  |  |  | 14,832                                                           |  | 618                         |  | 340                                    
|Alabaster #1    |  |           |  | 831400           |  |             |  |                |  | 879                          |  | Line                     |  | >335#                |  |  |  | 8,184                                                            |  | 341                         |  | 340                                    
|Alabaster #2    |  |           |  | 831500           |  |             |  |                |  | 975                          |  | Line                     |  | >340#                |  |  |  | 3,840                                                            |  | 160                         |  | 340                                    



Page 4 of 8



---

Service Agreement: FSNG1

Effective: 10/1/2008

Supersedes the previous Exhibit B

EXHIBIT B

SHIPPER: Alabama Gas
Corporation

These pages of the Exhibit B of Service Agreement FSNG1 detail the firm contract pressure obligations
underlying

each delivery point MDDQ to Exhibit B of FSNG1.



|                 |  |           |  |                  |  |             |  |                |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|---------------- |  | --------- |  | ---------------- |  | ----------- |  | -------------- |  | ---------------------------- |  | ------------------------ |  | -------------------- |  |  |  | ---------------------------------------------------------------- |  | --------------------------- |  | ---------------------------------------
|                 |  |           |  |                  |  |             |  |                |  |                              |  |                          |  |                      |  |  |  | For Information Only: Stand AloneMeter Station Design Capability
|PointName        |  | PointCode |  | MeterStationCode |  | MDDQ(mcf/d) |  | 6%MDDQ(mcf/hr) |  | DailyDeliveryCapacity(mcf/d) |  | PressureObligation(psig) |  | Line PressureMax/Min |  |  |  | MaxDailyCapability(mcf/d)                                        |  | MaxHourlyCapability(mcf/hr) |  | PressureUsed forStationCapability(psig)
|                 |  |           |  |                  |  |             |  |                |  |                              | 
|Alabaster #3     |  |           |  | 831600           |  |             |  |                |  | 618                          |  | Line                     |  | >330#                |  |  |  | 13,296                                                           |  | 554                         |  | 330                                    
|Columbiana       |  |           |  | 832600           |  |             |  |                |  | 1,184                        |  | 100                      |  |                      |  |  |  | 3,696                                                            |  | 154                         |  | 140                                    
|Montevallo       |  |           |  | 833400           |  |             |  |                |  | 1,660                        |  | Line                     |  | >150#                |  |  |  | 10,392                                                           |  | 433                         |  | 340                                    
|Ensley           |  |           |  | 837400           |  |             |  |                |  | 11,598                       |  | Line                     |  | >150#                |  |  |  | 63,240                                                           |  | 2,635                       |  | 315                                    
|Barrett Co       |  |           |  | 838100           |  |             |  |                |  | 396                          |  | 50                       |  |                      |  |  |  | 720                                                              |  | 30                          |  | 150                                    
|Bullock          |  |           |  | 838300           |  |             |  |                |  | 162                          |  | 50                       |  |                      |  |  |  | 720                                                              |  | 30                          |  | 150                                    
|Harbison Walker  |  |           |  | 838700           |  |             |  |                |  | 697                          |  | 200                      |  |                      |  |  |  | 3,120                                                            |  | 130                         |  | 174                                    
|Fairfield        |  |           |  | 839200           |  |             |  |                |  | 17,732                       |  | Line                     |  | >175#                |  |  |  | 44,136                                                           |  | 1,839                       |  | 315                                    
|                 |  |           |  |                  |  |             |  |                |  |                              | 
|Anniston Area    |  | 659700    |  |                  |  | 36,150      |  | 2,169          |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|Anniston #1      |  |           |  | 845600           |  |             |  |                |  | 12,081                       |  | 110                      |  |                      |  |  |  | 36,312                                                           |  | 1,513                       |  | 100                                    
|Anniston #2      |  |           |  | 845700           |  |             |  |                |  | 4,776                        |  | 150                      |  |                      |  |  |  | 44,136                                                           |  | 1,839                       |  | 120                                    
|Anniston #3      |  |           |  | 845800           |  |             |  |                |  | 17,671                       |  | 250                      |  |                      |  |  |  | 51,576                                                           |  | 2,149                       |  | 250                                    
|Heflin           |  |           |  | 847000           |  |             |  |                |  | 1,031                        |  | 55                       |  |                      |  |  |  | 1,656                                                            |  | 69                          |  | 55                                     
|Chocoloco        |  |           |  | 848100           |  |             |  |                |  | 591                          |  | Line                     |  |                      |  |  |  | 11,664                                                           |  | 486                         |  | 400                                    
|                 |  |           |  |                  |  |             |  |                |  |                              | 
|Demopolis Area   |  | 659900    |  |                  |  | 6,589       |  | 395            |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|Demopolis #1     |  |           |  | 801400           |  |             |  |                |  | 727                          |  | 60                       |  |                      |  |  |  | 3,792                                                            |  | 158                         |  | 60                                     
|Demopolis #2     |  |           |  | 801500           |  |             |  |                |  | 1,926                        |  | 75                       |  |                      |  |  |  | 3,984                                                            |  | 166                         |  | 75                                     
|Greensboro       |  |           |  | 802400           |  |             |  |                |  | 1,534                        |  | 200                      |  |                      |  |  |  | 2,904                                                            |  | 121                         |  | 200                                    
|Uniontown        |  |           |  | 802600           |  |             |  |                |  | 700                          |  | 125                      |  |                      |  |  |  | 1,872                                                            |  | 78                          |  | 125                                    
|Marion           |  |           |  | 803400           |  |             |  |                |  | 1,702                        |  | 165                      |  |                      |  |  |  | 2,976                                                            |  | 124                         |  | 165                                    
|                 |  |           |  |                  |  |             |  |                |  |                              | 
|Phenix City Area |  | 909700    |  |                  |  | 9,000       |  | 540            |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|Phenix City #1   |  |           |  | 810600           |  |             |  |                |  | 4,565                        |  | Line                     |  | <175#                |  |  |  | 21,144                                                           |  | 881                         |  | 175                                    



Page 5 of 8



---

Service Agreement: FSNG1

Effective: 10/1/2008

Supersedes the previous Exhibit B

EXHIBIT B

SHIPPER: Alabama Gas
Corporation

These pages of the Exhibit B of Service Agreement FSNG1 detail the firm contract pressure obligations
underlying

each delivery point MDDQ to Exhibit B of FSNG1.



|                  |  |           |  |                  |  |             |  |                |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|----------------- |  | --------- |  | ---------------- |  | ----------- |  | -------------- |  | ---------------------------- |  | ------------------------ |  | -------------------- |  |  |  | ---------------------------------------------------------------- |  | --------------------------- |  | ---------------------------------------
|                  |  |           |  |                  |  |             |  |                |  |                              |  |                          |  |                      |  |  |  | For Information Only: Stand AloneMeter Station Design Capability
|PointName         |  | PointCode |  | MeterStationCode |  | MDDQ(mcf/d) |  | 6%MDDQ(mcf/hr) |  | DailyDeliveryCapacity(mcf/d) |  | PressureObligation(psig) |  | Line PressureMax/Min |  |  |  | MaxDailyCapability(mcf/d)                                        |  | MaxHourlyCapability(mcf/hr) |  | PressureUsed forStationCapability(psig)
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Phenix City #2    |  |           |  | 810700           |  |             |  |                |  | 2,726                        |  | 200                      |  |                      |  |  |  | 5,688                                                            |  | 237                         |  | 200                                    
|Phenix City #3    |  |           |  | 810800           |  |             |  |                |  | 1,709                        |  | Line                     |  | <200#                |  |  |  | 9,720                                                            |  | 405                         |  | 175                                    
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Tuscaloosa Area   |  | 940002    |  |                  |  | 35,992      |  | 2,160          |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|Tuscaloosa #1     |  |           |  | 816400           |  |             |  |                |  | 14,184                       |  | Line                     |  | 250# - 400#          |  |  |  | 104,832                                                          |  | 4,368                       |  | 340                                    
|Tuscaloosa #2     |  |           |  | 816500           |  |             |  |                |  | 15,503                       |  | Line                     |  | >300#                |  |  |  | 25,608                                                           |  | 1,067                       |  | 440                                    
|Tuscaloosa #3     |  |           |  | 816600           |  |             |  |                |  | 6,305                        |  | 125                      |  |                      |  |  |  | 7,560                                                            |  | 315                         |  | 175                                    
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Lincoln Area      |  | 940005    |  |                  |  | 1,900       |  | 114            |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|Vincent           |  |           |  | 827800           |  |             |  |                |  | 905                          |  | 200                      |  |                      |  |  |  | 2,280                                                            |  | 95                          |  | 200                                    
|Lincoln #2        |  |           |  | 828200           |  |             |  |                |  | 615                          |  | 250                      |  |                      |  |  |  | 768                                                              |  | 32                          |  | 250                                    
|Riverside East    |  |           |  | 844800           |  |             |  |                |  | 100                          |  | 100                      |  |                      |  |  |  | 288                                                              |  | 12                          |  | 180                                    
|Lincoln #1        |  |           |  | 845000           |  |             |  |                |  | 280                          |  | 48                       |  |                      |  |  |  | 1,008                                                            |  | 42                          |  | 48                                     
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Talladega Area    |  | 940006    |  |                  |  | 6,850       |  | 411            |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|Talladega Raceway |  |           |  | 845400           |  |             |  |                |  | 313                          |  | 200                      |  |                      |  |  |  | 4,368                                                            |  | 182                         |  | 55                                     
|Talladega #1      |  |           |  | 847600           |  |             |  |                |  | 4,211                        |  | 50                       |  |                      |  |  |  | 17,496                                                           |  | 729                         |  | 50                                     
|Talladega #2      |  |           |  | 847700           |  |             |  |                |  | 2,326                        |  | 148                      |  |                      |  |  |  | 12,048                                                           |  | 502                         |  | 145                                    
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Opelika Area      |  | 940011    |  |                  |  | 15,420      |  | 925            |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|Lochapoka         |  |           |  | 809500           |  |             |  |                |  | 1,197                        |  | Line                     |  |                      |  |  |  | 14,640                                                           |  | 610                         |  | 500                                    
|Auburn            |  |           |  | 812600           |  |             |  |                |  | 8,704                        |  | 125                      |  |                      |  |  |  | 10,872                                                           |  | 453                         |  | 250                                    
|Opelika #1        |  |           |  | 813400           |  |             |  |                |  | 5,132                        |  | Line                     |  | <600#                |  |  |  | 15,000                                                           |  | 625                         |  | 525                                    
|Opelika #2        |  |           |  | 813500           |  |             |  |                |  | 387                          |  | Line                     |  | <600#                |  |  |  | 17,136                                                           |  | 714                         |  | 575                                    



Page 6 of 8



---

Service Agreement: FSNG1

Effective: 10/1/2008

Supersedes the previous Exhibit B

EXHIBIT B

SHIPPER: Alabama Gas
Corporation

These pages of the Exhibit B of Service Agreement FSNG1 detail the firm contract pressure obligations
underlying

each delivery point MDDQ to Exhibit B of FSNG1.



|                  |  |           |  |                  |  |             |  |                |  |                              |  |                          |  |                      |   |  |  |  |                                                                  |  |                             |  |                                        
|----------------- |  | --------- |  | ---------------- |  | ----------- |  | -------------- |  | ---------------------------- |  | ------------------------ |  | -------------------- | - |  |  |  | ---------------------------------------------------------------- |  | --------------------------- |  | ---------------------------------------
|                  |  |           |  |                  |  |             |  |                |  |                              |  |                          |  |                      |   |  |  |  | For Information Only: Stand AloneMeter Station Design Capability
|Point Name        |  | PointCode |  | MeterStationCode |  | MDDQ(mcf/d) |  | 6%MDDQ(mcf/hr) |  | DailyDeliveryCapacity(mcf/d) |  | PressureObligation(psig) |  | Line PressureMax/Min |   |  |  |  | MaxDailyCapability(mcf/d)                                        |  | MaxHourlyCapability(mcf/hr) |  | PressureUsed forStationCapability(psig)
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Fairfax/Shaw Area |  | 940021    |  |                  |  | 5,682       |  | 341            |  |                              |  |                          |  |                      |   |  |  |  |                                                                  |  |                             |  |                                        
|Fairfax Mills-WP  |  |           |  | 814400           |  |             |  |                |  | 83                           |  | Line                     |  |                      |   |  |  |  | 3,384                                                            |  | 141                         |  | 47                                     
|Fairfax City      |  |           |  | 814500           |  |             |  |                |  | 1,934                        |  | 100                      |  |                      |   |  |  |  | 6,360                                                            |  | 265                         |  | 100                                    
|Shawmut- Lang     |  |           |  | 815200           |  |             |  |                |  | 2,583                        |  | Line                     |  | < 600                | # |  |  |  | 17,424                                                           |  | 726                         |  | 400                                    
|LaFayette         |  |           |  | 814200           |  |             |  |                |  | 1,082                        |  | 150                      |  |                      |   |  |  |  | 3,456                                                            |  | 144                         |  | 150                                    
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Montgomery Area   |  | 940022    |  |                  |  | 4,585       |  | 275            |  |                              |  |                          |  |                      |   |  |  |  |                                                                  |  |                             |  |                                        
|Montgomery #2     |  |           |  | 805100           |  |             |  |                |  | 3,325                        |  | 600                      |  |                      |   |  |  |  | 53,952                                                           |  | 2,248                       |  | 575                                    
|Montgomery #3     |  |           |  | 805200           |  |             |  |                |  | 1,015                        |  | 175                      |  |                      |   |  |  |  | 8,472                                                            |  | 353                         |  | 240                                    
|Eclectic          |  |           |  | 806800           |  |             |  |                |  | 245                          |  | 100                      |  |                      |   |  |  |  | 2,496                                                            |  | 104                         |  | 430                                    
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Tuskegee Area     |  | 940024    |  |                  |  | 8,103       |  | 486            |  |                              |  |                          |  |                      |   |  |  |  |                                                                  |  |                             |  |                                        
|Tuskegee #1       |  |           |  | 808800           |  |             |  |                |  | 6,466                        |  | 100                      |  |                      |   |  |  |  | 7,488                                                            |  | 312                         |  | 100                                    
|Tuskegee #2       |  |           |  | 808900           |  |             |  |                |  | 1,314                        |  | Line                     |  |                      |   |  |  |  | 16,320                                                           |  | 680                         |  | 500                                    
|Notasulga         |  |           |  | 809400           |  |             |  |                |  | 323                          |  | 175                      |  |                      |   |  |  |  | 720                                                              |  | 30                          |  | 145                                    
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Jasper            |  | 940035    |  |                  |  | 5,300       |  | 318            |  |                              |  |                          |  |                      |   |  |  |  |                                                                  |  |                             |  |                                        
|Jasper #1         |  |           |  | 835600           |  |             |  |                |  | 4,627                        |  | 150                      |  |                      |   |  |  |  | 8,808                                                            |  | 367                         |  | 150                                    
|Parrish Oak       |  |           |  | 836201           |  |             |  |                |  | 673                          |  | 144                      |  |                      |   |  |  |  | 1,512                                                            |  | 63                          |  | 144                                    
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Pell City Area    |  | 940056    |  |                  |  | 1,903       |  | 114            |  |                              |  |                          |  |                      |   |  |  |  |                                                                  |  |                             |  |                                        
|Eden              |  |           |  | 827200           |  |             |  |                |  | 400                          |  | 75                       |  |                      |   |  |  |  | 552                                                              |  | 23                          |  | 75                                     
|Pell City         |  |           |  | 827400           |  |             |  |                |  | 742                          |  | 70                       |  |                      |   |  |  |  | 1,632                                                            |  | 68                          |  | 200                                    
|Oak Ridge         |  |           |  | 827600           |  |             |  |                |  | 761                          |  | 70                       |  |                      |   |  |  |  | 864                                                              |  | 36                          |  | 70                                     



Page 7 of 8



---

Service Agreement: FSNG1

Effective: 10/1/2008

Supersedes the previous Exhibit B

EXHIBIT B

SHIPPER: Alabama Gas
Corporation

These pages of the Exhibit B of Service Agreement FSNG1 detail the firm contract pressure obligations
underlying

each delivery point MDDQ to Exhibit B of FSNG1.



|                  |  |           |  |                  |  |             |  |                |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|----------------- |  | --------- |  | ---------------- |  | ----------- |  | -------------- |  | ---------------------------- |  | ------------------------ |  | -------------------- |  |  |  | ---------------------------------------------------------------- |  | --------------------------- |  | ---------------------------------------
|                  |  |           |  |                  |  |             |  |                |  |                              |  |                          |  |                      |  |  |  | For Information Only: Stand AloneMeter Station Design Capability
|Point Name        |  | PointCode |  | MeterStationCode |  | MDDQ(mcf/d) |  | 6%MDDQ(mcf/hr) |  | DailyDeliveryCapacity(mcf/d) |  | PressureObligation(psig) |  | Line PressureMax/Min |  |  |  | MaxDailyCapability(mcf/d)                                        |  | MaxHourlyCapability(mcf/hr) |  | PressureUsed forStationCapability(psig)
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Reform Area       |  | 940046    |  |                  |  | 600         |  | 36             |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        
|Reform            |  |           |  | 818800           |  |             |  |                |  | 590                          |  | 48                       |  |                      |  |  |  | 1,008                                                            |  | 42                          |  | 48                                     
|Reform #2         |  |           |  | 819400           |  |             |  |                |  | 10                           |  | 150                      |  |                      |  |  |  | 1,080                                                            |  | 45                          |  | 150                                    
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|Greene County     |  | 801600    |  |                  |  | 75          |  | 5              |  |                              |  | Line                     |  |                      |  |  |  | 419,712                                                          |  | 17,488                      |  | 850                                    
|Selma #1          |  | 803700    |  |                  |  | 575         |  | 34             |  |                              |  | 275                      |  |                      |  |  |  | 26,400                                                           |  | 1,100                       |  | 245                                    
|Selma #2          |  | 803800    |  |                  |  | 9,827       |  | 590            |  |                              |  | 600                      |  |                      |  |  |  | 30,888                                                           |  | 1,287                       |  | 600                                    
|Ala-Int Paper     |  | 803900    |  |                  |  | 0           |  | 0              |  |                              |  | Line                     |  |                      |  |  |  | 58,800                                                           |  | 2,450                       |  | 950                                    
|Plant Tenaska     |  | 804200    |  |                  |  | 0           |  | 0              |  |                              |  | Line                     |  |                      |  |  |  | 265,152                                                          |  | 11,048                      |  | 950                                    
|Montgomery #4     |  | 805300    |  |                  |  | 8,341       |  | 500            |  |                              |  | Line                     |  |                      |  |  |  | 77,640                                                           |  | 3,235                       |  | 850                                    
|Montgomery #5     |  | 805400    |  |                  |  | 15,000      |  | 900            |  |                              |  | 700 to 720               |  |                      |  |  |  | 89,700                                                           |  | 3,738                       |  | 700                                    
|Montgomery #6     |  | 805500    |  |                  |  | 31,595      |  | 1,896          |  |                              |  | 700 to 720               |  |                      |  |  |  | 116,600                                                          |  | 4,858                       |  | 700                                    
|Russell Mills     |  | 806000    |  |                  |  | 261         |  | 16             |  |                              |  | Line                     |  |                      |  |  |  | 10,200                                                           |  | 425                         |  | 450                                    
|Opelika #3        |  | 813600    |  |                  |  | 5,695       |  | 342            |  |                              |  | Line                     |  |                      |  |  |  | 41,760                                                           |  | 1,740                       |  | 1,000                                  
|Brent/Centerville |  | 817400    |  |                  |  | 1,200       |  | 72             |  |                              |  | 200                      |  |                      |  |  |  | 3,576                                                            |  | 149                         |  | 200                                    
|Plant Miller      |  | 834100    |  |                  |  | 2           |  | 0              |  |                              |  | 115                      |  |                      |  |  |  | 41,640                                                           |  | 1,735                       |  | 140                                    
|Farm Taps         |  | 847900    |  |                  |  | 0           |  | 0              |  |                              |  | Line                     |  |                      |  |  |  | NA                                                               |  | NA                          |  | NA                                     
|                  |  |           |  |                  |  |             |  |                |  |                              | 
|GRAND TOTAL:      |  |           |  |                  |  | 384,612     |  | 23,077         |  |                              |  |                          |  |                      |  |  |  |                                                                  |  |                             |  |                                        



Page 8 of 8