| SC 13G/A | 2008-02-14 | CASCADE INVESTMENT LLC | PNM RESOURCES INC | 7,019,550 | 9.1% | EDGAR |
| SC 13G | 2008-02-13 | ARTISAN PARTNERS LTD PARTNERSHIP | PNM RESOURCES INC | 3,921,200 | 5.1% | EDGAR |
| SC 13G | 2008-02-06 | BARCLAYS GLOBAL INVESTORS NA /CA/ | PNM RESOURCES INC | 1,542,999 | 2.0% | EDGAR |
| SC 13G/A | 2008-01-31 | EARNEST PARTNERS LLC | PNM RESOURCES INC | 6,386,415 | 8.3% | EDGAR |
| SC 13G | 2008-01-31 | FIRST TRUST PORTFOLIOS LP | PNM RESOURCES INC | 4,263,810 | 5.6% | EDGAR |
| SC 13G | 2007-09-18 | Tradewinds Global Investors, LLC | PNM RESOURCES INC | 7,645,979 | 10.0% | EDGAR |
| SC 13G/A | 2007-02-14 | EARNEST PARTNERS LLC | PNM RESOURCES INC | 6,027,321 | 7.9% | EDGAR |
| SC 13G/A | 2007-02-14 | LORD ABBETT & CO LLC | PNM RESOURCES INC | 6,793,272 | 9.0% | EDGAR |
| SC 13G | 2007-02-14 | WELLINGTON MANAGEMENT CO LLP | PNM RESOURCES INC | 4,675,712 | 6.2% | EDGAR |
| SC 13G | 2007-01-23 | BARCLAYS GLOBAL INVESTORS NA /CA/ | PNM RESOURCES INC | 1,980,283 | 2.6% | EDGAR |
| SC 13G | 2006-06-09 | LORD ABBETT & CO LLC | PNM RESOURCES INC | 6,890,347 | 10.0% | EDGAR |
| SC 13G/A | 2006-04-03 | CASCADE INVESTMENT LLC | PNM RESOURCES INC | 6,519,550 | 9.5% | EDGAR |
| SC 13G/A | 2006-02-14 | CASCADE INVESTMENT LLC | PNM RESOURCES INC | 6,519,550 | 9.5% | EDGAR |
| SC 13G/A | 2006-02-10 | EARNEST PARTNERS LLC | PNM RESOURCES INC | 6,167,285 | 9.0% | EDGAR |
| SC 13G | 2006-02-10 | BARCLAYS PLC | PNM RESOURCES INC | 474,778 | 0.3% | EDGAR |
| SC 13G/A | 2005-07-18 | SW ACQUISITION LP | PNM RESOURCES INC | 10,654 | 0.0% | EDGAR |
| SC 13G | 2005-06-16 | SW ACQUISITION LP | PNM RESOURCES INC | 4,326,337 | 6.3% | EDGAR |
| SC 13G/A | 2005-02-14 | AXA FINANCIAL INC | PNM RESOURCES INC | 2,920,722 | 4.8% | EDGAR |
| SC 13G/A | 2005-02-14 | CASCADE INVESTMENT LLC | PNM RESOURCES INC | 5,541,150 | 9.2% | EDGAR |
| SC 13G | 2005-02-14 | BARCLAYS GLOBAL INVESTORS NA /CA/ | PNM RESOURCES INC | 3,286,216 | 5.4% | EDGAR |