Exhibit 99.1
Last Updated 2/20/2009
Pinnacle West Capital Corporation
Quarterly Consolidated Statistical Summary
Periods Ended December 31, 2008 and 2007
Periods Ended December 31, 2008 and 2007
List of Contents
2008 Fourth Quarter Summary
2008 by Quarter
2007 by Quarter
2006 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:
in the “Glossary of Terms” on the Pinnacle West website at:
http://www.pinnaclewest.com/files/investors/2008Q4QuarStatsGloss.pdf
This statistical data may be graphed in various quarterly or annual comparisons
using the “Interactive Charts” tool on the Pinnacle West website at:
using the “Interactive Charts” tool on the Pinnacle West website at:
http://www.pinnaclewest.com/main/pnw/investors/financials/quarterly/landing.html