STOCK LISTING
Ticker symbol: PNW on
New York Stock Exchange

CORPORATE HEADQUARTERS
400 North 5th Street
Phoenix, Arizona 85004
Mailing address:
P.O. Box 53999
Phoenix, AZ 85072-3999
Main telephone number:
(602) 250-1000

CORPORATE WEB SITE
pinnaclewest.com

TRANSFER AGENT AND REGISTRAR
BNY Mellon Shareowner Services
P.O. Box 358015
Pittsburgh, PA 15252-8015
(800) 457-2983
bnymellon.com/shareowner/isd

SHAREHOLDER ADMINISTRATIVE
INFORMATION
Company contact:
Jacqueline Patterson
(602) 250-5511
Jacqueline.patterson@pinnaclewest.com

ANNUAL MEETING OF SHAREHOLDERS
Wed, May 20, 2009 at 10:30 a.m. (MST)
Herberger Theater
222 E. Monroe St.
Phoenix, AZ 85004

INVESTORS ADVANTAGE PLAN AND
SHAREHOLDER ACCOUNT INFORMATION
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, certifi cate
safekeeping and more. An Investors Advantage Plan prospectus
and enrollment materials may be obtained by calling BNY
Mellon Shareowner Services at (800) 457-2983, at the Bank's
Web site - bnymellon.com/shareowner/isd or by writing to:
BNY Mellon Shareowner Services
P.O. Box 358015
Pittsburgh, PA 15252-8015

FORM 10-K
Pinnacle West's 2008 Annual Report on Form 10-K fi led with the
Securities and Exchange Commission is available on our Web
site or by writing to the Offi ce of the Secretary.

STATISTICAL REPORT
A detailed Statistical Report for Financial Analysis for 2003 to
2008 is available on our Web site.

CORPORATE RESPONSIBILITY REPORT
The Pinnacle West Corporate Responsibility Report is available
on our Web site.

INVESTOR RELATIONS CONTACTS
Rebecca L. Hickman, Director
(602) 250-5668
Lisa Malagon, Manager
(602) 250-5671

ASSOCIATION FOR INVESTORS
The Arizona Investment Council represents the interests
of investors in Arizona utilities. If interested, send your
name and address to:
Arizona Investment Council
2100 N. Central Ave. #210
Phoenix, AZ 85004
(602) 257-9200
arizonaic.org