Exhibit 99.1
Last Updated 1/30/2008
Pinnacle West Capital Corporation
Quarterly Consolidated Statistical Summary
Periods Ended December 31, 2007 and 2006
List of Contents
2007 Fourth Quarter Summary
2007 by Quarter
2006 by Quarter
2005 by Quarter
2004 by Quarter
Quarters may not sum to totals due to rounding.
The definitions of terms used in this statistical summary are contained
in the “Glossary of Terms” on the Pinnacle West website at:
http://www.pinnaclewest.com/files/investors/2007Q4QuarStatsGloss.pdf
in the “Glossary of Terms” on the Pinnacle West website at:
http://www.pinnaclewest.com/files/investors/2007Q4QuarStatsGloss.pdf
This statistical data may be graphed in various quarterly or annual comparisons
using the “Interactive Charts” tool on the Pinnacle West website at:
http://www.pinnaclewest.com/main/pnw/investors/financials/quarterly/landing.html
using the “Interactive Charts” tool on the Pinnacle West website at:
http://www.pinnaclewest.com/main/pnw/investors/financials/quarterly/landing.html