|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  |  | -------------- |  | ----------------- |  | ----------------- |  | ----------------- |  | ----------------- |  | -------------------
|EXHIBIT 12.4                                                                                                                                                                                 
|SOUTHERN CALIFORNIA GAS COMPANY                                                                                                                                                              
|COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES                                                                                                                                   
|AND PREFERRED STOCK DIVIDENDS                                                                                                                                                                
|(Dollars in millions)                                                                                                                                                                        
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|                                                                                                                                                                                              |  |  | 2004           |  | 2005              |  | 2006              |  | 2007              |  | 2008              |  | March 31, 2009     
|Fixed Charges:                                                                                                                                                                                |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Interest                                                                                                                                                                                      |  |  | $           40 |  | $              50 |  | $              72 |  | $              72 |  | $              65 |  | $                18
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Interest portion of annual rentals                                                                                                                                                            |  |  | 2              |  | 3                 |  | 4                 |  | 3                 |  | 2                 |  | -                  
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Total fixed charges                                                                                                                                                                           |  |  | 42             |  | 53                |  | 76                |  | 75                |  | 67                |  | 18                 
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Preferred stock dividends (1)                                                                                                                                                                 |  |  | 2              |  | 2                 |  | 2                 |  | 2                 |  | 2                 |  | 1                  
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Combined fixed charges and preferred stock dividends for purpose of ratio                                                                                                                     |  |  | $           44 |  | $              55 |  | $              78 |  | $              77 |  | $              69 |  | $                19
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Earnings:                                                                                                                                                                                     |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Pretax income from continuing operations                                                                                                                                                      |  |  | $         387  |  | $            309  |  | $            397  |  | $            391  |  | $            385  |  | $                95
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Add: Total fixed charges (from above)                                                                                                                                                         |  |  | 42             |  | 53                |  | 76                |  | 75                |  | 67                |  | 18                 
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Less: Interest capitalized                                                                                                                                                                    |  |  | -              |  | -                 |  | 1                 |  | 1                 |  | -                 |  | -                  
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Total earnings for purpose of ratio                                                                                                                                                           |  |  | $         429  |  | $            362  |  | $            472  |  | $            465  |  | $            452  |  | $              113 
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Ratio of earnings to combined fixed charges and preferred stock dividends                                                                                                                     |  |  | 9.75           |  | 6.58              |  | 6.05              |  | 6.04              |  | 6.55              |  | 5.95               
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|Ratio of earnings to fixed charges                                                                                                                                                            |  |  | 10.21          |  | 6.83              |  | 6.21              |  | 6.20              |  | 6.75              |  | 6.28               
|                                                                                                                                                                                              |  |  |                |  |                   |  |                   |  |                   |  |                   |  |                    
|(1)  In computing this ratio, Preferred stock dividends represents the before-tax earnings necessary to pay such dividends, computed at the effective tax rates for the applicable periods.