Exhibit 32.2
CERTIFICATION
OF
CHIEF EXECUTIVE OFFICER
AND
CHIEF FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
I, Jack E. Davis, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 10-K of Arizona Public Service
Company for the fiscal year ended
December 31, 2005 fully complies with the requirements of Section
13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Annual
Report on Form 10-K fairly presents, in all material respects, the financial condition and results
of operations of Arizona Public Service Company.
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/s/
Jack E. Davis |
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Jack E. Davis |
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President and Chief Executive Officer |
I, Donald E. Brandt, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 10-K of Arizona Public Service
Company for the fiscal year ended
December 31, 2005 fully complies with the requirements of Section
13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Annual
Report on Form 10-K fairly presents, in all material respects, the financial condition and results
of operations of Arizona Public Service Company.
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/s/
Donald E. Brandt |
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Donald E. Brandt
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Executive Vice President and |
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Chief Financial Officer |
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