CORPORATE HEADQUARTERS
400 North 5th Street
P.O. Box 53999
Phoenix, Arizona 85004
Main telephone number: (602) 250-1000

TRANSFER AGENT AND REGISTRAR
The Bank of New York
Receive and Deliver Department
P.O. Box 11002
Church Street Station
New York, NY  10286
(800) 457-2983
www.stockbny.com

INVESTOR RELATIONS CONTACTS
Rebecca L. Hickman, Director
(602) 250-5668
Lisa Malagon, Manager
(602) 250-5671
P.O. Box 53999 Station 9998
Phoenix, Arizona 85072-3999

STATISTICAL REPORT
A detailed Statistical Report for Financial Analysis for 2001-2006 will be available in April on the Company’s Web site or by writing to the Investor Relations Department.

ANNUAL MEETING OF SHAREHOLDERS
Wednesday, May 23, 2007 at 10:30 a.m. (MST)
Herberger Theater
222 East Monroe Street
Phoenix, AZ 85004

CORPORATE WEB SITE
www.pinnaclewest.com

STOCK LISTING
Ticker symbol: PNW on New York Stock Exchange

STATEWIDE ASSOCIATION FOR UTILITY INVESTORS
The Arizona Utility Investors Association represents the interests of investors in Arizona utilities. If interested, send your name and address to:
Arizona Utility Investors Association
P.O. Box 34805
Phoenix, Arizona 85067
(602) 257-9200
www.auia.org

CORPORATE RESPONSIBILITY REPORT
To view the Pinnacle West Corporate Responsibility Report please visit www.pinnaclewest.com.

FORM 10-K
Pinnacle West's Annual Report to the Securities and Exchange Commission on Form 10-K will be available (after March 2, 2007) to shareholders upon written request, without charge.  Write: Office of the Secretary.

CORPORATE RESPONSIBILITY REPORT
To view the Pinnacle West Corporate Responsibility Report please visit www.pinnaclewest.com.

SHAREHOLDER ADMINISTRATIVE INFORMATION
Company contact (602) 250-5511
shareholderdept@pinnaclewest.com.

INVESTORS ADVANTAGE PLAN
Pinnacle West offers a direct stock purchase plan. Any interested investor may purchase Pinnacle West common stock through the Investors Advantage Plan. Features of the Plan include a variety of options for reinvesting dividends, direct deposit of cash dividends, automatic monthly investment, certificate safekeeping  and more. An Investors Advantage Plan prospectus and enrollment materials may be obtained by calling the Bank of New York at (800) 457-2983, at the Bank's Web site – www.stockbny.com or by writing to:
The Bank of New York
Shareholder Relations Department
P.O. Box 11258
Church Street Station
New York, NY 10286
(800) 457-2983