|   | (1) | the Report fully complies with the requirements of § 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------|

|   | (2) | the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------|

| Date:   March 30, 2011 | By:    | /s/ Patricia K. Collawn                                         |
|---------------------------------------|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                  |   | Patricia K. Collawn                                                                                                                                                                                                                                                     |
|                                  |   | President and Chief Executive Officer                                                                                                                                                                                                                                   |
|                                  |   | PNM Resources, Inc.                                                                                                                                                                                                                                                     |
|                                  |   |                                                                                                                                                                                                                                                                    |

|   | By:    | /s/ Charles N. Eldred                                            |
|--------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   | Charles N. Eldred                                                                                                                                                                                                                                                                  |
|   |   | Executive Vice President and                                                                                                                                                                                                                                                       |
|   |   | Chief Financial Officer                                                                                                                                                                                                                                                            |
|   |   | PNM Resources, Inc.                                                                                                                                                                                                                                                                |

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