Transfer, Registrar and Dividend Disbursing Agent
American Stock Transfer
& Trust Company
Telephone Inquiries: 800.937.5449 or 718.921.8200
Email Address: info@amstock.com
Website Address: www.amstock.com

Address Shareowners’ Inquiries to:
American Stock Transfer
& Trust Company
59 Maiden Lane
New York, NY 10038

Send Certificates for Transfer and Address Changes to:
American Stock Transfer
& Trust Company
59 Maiden Lane
New York, NY 10038

Annual Meeting Date
UIL Holdings Corporation’s Annual Meeting will be held at:

Quinnipiac University
275 Mount Carmel Avenue
Hamden, CT
on Wednesday, May 11, 2005, beginning at 10:00 a.m.

Dividend Reinvestment & Direct Stock Purchase and Sale Plan
Investors interested in obtaining information regarding the benefits of participating in Investors Choice, a Dividend Reinvestment & Direct Stock Purchase and Sale Plan for UIL Holdings Corporation’s common stock, may write to:

American Stock Transfer
& Trust Company
59 Maiden Lane
New York, NY 10038

Investor Relations Hotline
For information on UIL’s earnings, news releases, media articles and dividend information, including
ex-dividend dates and dividend payment dates, call:

From within the New Haven area: 203.499.3333 or

From outside the New Haven area: 800.7.CALL UI (722.5584)

Analyst Contact
Susan E. Allen
Telephone: 203.499.2409
Email address: UIL@uinet.com
UIL Holdings Corporation
P.O. Box 1564
New Haven, CT 06506-0901
Fax: 203.499.3624

Stock Listing
New York Stock Exchange; Common Stock (UIL)

General Counsel
Wiggin and Dana LLP
One Century Tower
P.O. Box 1832
New Haven, CT 06508-1832
203.498.4400

Independent Registered Public Accounting Firm
PricewaterhouseCoopers LLP
300 Madison Avenue
New York, NY 10017-6204
646.471.3000