|   | (a)    | To the best of my knowledge, the accompanying report on Form 10-Q for the quarter ended December 31, 2010 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and                                             |
|--------|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                                                                                       |
|   | (b)    | To the best of my knowledge, the information contained in the accompanying report on Form 10-Q for the quarter ended December 31, 2010 fairly presents, in all material respects, the financial condition and results of operations of Laclede Gas Company. |

| Date:  |   | January 28, 2011 |   |   | /s/ Douglas H. Yaeger            |
|--------|--------|----------------------------|--------|--------|----------------------------------|
|   |   |                       |   |   | Douglas H. Yaeger                |
|   |   |                       |   |   | Chairman of the Board, President |
|   |   |                       |   |   | and Chief Executive Officer      |
|   |   |                       |   |   |                             |

|   | (a)    | To the best of my knowledge, the accompanying report on Form 10-Q for the quarter ended December 31, 2010 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and                                             |
|--------|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                                                                                       |
|   | (b)    | To the best of my knowledge, the information contained in the accompanying report on Form 10-Q for the quarter ended December 31, 2010 fairly presents, in all material respects, the financial condition and results of operations of Laclede Gas Company. |

| Date:  |   | January 28, 2011 |   |   | /s/ Mark D. Waltermire                          |
|--------|--------|-----------------------|--------|--------|-------------------------------------------------|
|   |   |                  |   |   | Mark D. Waltermire                              |
|   |   |                  |   |   | Senior Vice President and                       |
|   |   |                  |   |   |     Chief Financial Officer |
|   |   |                  |   |   |                                            |