Exhibit 99.3








                   CERTIFICATION PURSUANT TO 18 U.S.C.ss.1350,
         AS ADOPTED PURSUANT TOss.906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Current Report on Form 8-K dated June 12, 2003, for PNM
Resources, Inc. and Public Service Company of New Mexico ("Companies"), as filed
with the Securities and Exchange Commission on June 12, 2003, ("Report"), I,
Jeffry E. Sterba, Chief Executive Officer of the Companies, certify pursuant to
18 U.S.C. ss.1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of
2002, that:

         (1) the Report fully complies with the requirements of ss. 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 Companies.




Date:   June 12, 2003                By:     /s/ Jeffry E. Sterba
                                             -----------------------------------
                                             Jeffry E. Sterba
                                             Chairman, President and
                                             Chief Executive Officer