| Exhibit 12                                                                                                                                                                      |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                            |
| THE LACLEDE GROUP, INC. AND SUBSIDIARY COMPANIES                                                                                                                                |
|                                                                                                                                                                            |
| SCHEDULE OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES                                                                                                                   |
|                                                                                                                                                                            |   |   |   |
|                                                                                                                                                                            |   |   |   |
|                                                                                                                                                                            |   | Fiscal Year Ended September 30, |   |
|                                                                                                                                                                            |   | 2010 |   | 2009 |   | 2008 |   | 2007 |   | 2006 |   |
| (Thousands of Dollars)                                                                                                                                                          |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Income from continuing    operations before interest    charges and income taxes                                                        |   | $ | 107,986 |   | $ | 126,517 |   | $ | 113,228 |   | $ | 101,867 |   | $ | 100,080 |   |
| Add: One third of applicable    rentals charged to operating    expense (which approximates    the interest factor) |   |   | 1,825 |   |   | 1,833 |   |   | 1,691 |   |   | 1,485 |   |   | 1,291 |   |
|         Total Earnings                                                                                                                  |   | $ | 109,811 |   | $ | 128,350 |   | $ | 114,919 |   | $ | 103,352 |   | $ | 101,371 |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest on long-term debt –    Laclede Gas                                                                                                           |   | $ | 24,583 |   | $ | 24,583 |   | $ | 19,851 |   | $ | 22,502 |   | $ | 22,329 |   |
| Other Interest                                                                                                                                                                  |   |   | 2,269 |   |   | 5,163 |   |   | 9,626 |   |   | 11,432 |   |   | 10,555 |   |
| Add: One third of applicable    rentals charged to operating    expense (which approximates    the interest factor) |   |   | 1,825 |   |   | 1,833 |   |   | 1,691 |   |   | 1,485 |   |   | 1,291 |   |
|         Total Fixed Charges                                                                                                             |   | $ | 28,677 |   | $ | 31,579 |   | $ | 31,168 |   | $ | 35,419 |   | $ | 34,175 |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio of Earnings to Fixed Charges                                                                                                                                              |   |   | 3.83 |   |   | 4.06 |   |   | 3.69 |   |   | 2.92 |   |   | 2.97 |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |

| LACLEDE GAS COMPANY                                                                                                                                                             |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                            |
| SCHEDULE OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES                                                                                                                   |
|                                                                                                                                                                            |   |   |   |
|                                                                                                                                                                            |   |   |   |
|                                                                                                                                                                            |   | Fiscal Year Ended September 30, |   |
|                                                                                                                                                                            |   | 2010 |   | 2009 |   | 2008 |   | 2007 |   | 2006 |   |
| (Thousands of Dollars)                                                                                                                                                          |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Income before interest    charges and income taxes                                                                                                          |   | $ | 84,727 |   | $ | 77,395 |   | $ | 84,684 |   | $ | 80,134 |   | $ | 72,077 |   |
| Add: One third of applicable    rentals charged to operating    expense (which approximates    the interest factor) |   |   | 1,820 |   |   | 1,833 |   |   | 1,691 |   |   | 1,485 |   |   | 1,291 |   |
|         Total Earnings                                                                                                                  |   | $ | 86,547 |   | $ | 79,228 |   | $ | 86,375 |   | $ | 81,619 |   | $ | 73,368 |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest on long-term debt                                                                                                                                                      |   | $ | 24,583 |   | $ | 24,583 |   | $ | 19,851 |   | $ | 22,502 |   | $ | 22,329 |   |
| Other Interest                                                                                                                                                                  |   |   | 2,269 |   |   | 5,770 |   |   | 10,363 |   |   | 11,101 |   |   | 10,236 |   |
| Add: One third of applicable    rentals charged to operating    expense (which approximates    the interest factor) |   |   | 1,820 |   |   | 1,833 |   |   | 1,691 |   |   | 1,485 |   |   | 1,291 |   |
|         Total Fixed Charges                                                                                                             |   | $ | 28,672 |   | $ | 32,186 |   | $ | 31,905 |   | $ | 35,088 |   | $ | 33,856 |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio of Earnings to Fixed Charges                                                                                                                                              |   |   | 3.02 |   |   | 2.46 |   |   | 2.71 |   |   | 2.33 |   |   | 2.17 |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |