American Stock Transfer & Trust Company, the transfer agent for UIL Holdings Corporation common stock, sponsors and administers Investors Choice, a Dividend Reinvestment & Direct Stock Purchase and Sale Plan for the shares of UIL Holdings Corporation common stock. Investors Choice provides both registered shareowners and interested first-time investors an affordable alternative for buying and selling shares of UIL Holdings Corporation common stock.

If you participate in Investors Choice, you may also reinvest all or any part of your cash dividends and make periodic supplemental cash payments to purchase additional shares of UIL Holdings Corporation common stock. You may also sell or transfer shares of UIL Holdings Corporation common stock held in your Plan account. Shareowners that participate in Investors Choice will receive proxy forms that cover the shares held in their accounts under the plan.

In order to get a booklet explaining Investors Choice, and the form needed to enroll in the Plan, call American Stock Transfer & Trust Company at 1-877-681-8024 between 9:00 a.m to 7:00 p.m. Monday through Thursday, 9:00 a.m. to 5:00 p.m. Friday, or write to them at:

American Stock Transfer & Trust Company
Attention: Dividend Reinvestment Department
59 Maiden Lane
New York, NY 10038

and request that the enrollment form and booklet be sent to you or you may visit them at their Web Site Address:

http://www.investpower.com

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