Aquila Review of 2003 First-Quarter Results Will Be Webcast on May 15 at 9 a.m. Eastern.

Business Editors

KANSAS CITY, Mo.--(BUSINESS WIRE)--May 12, 2003

Aquila, Inc. (NYSE:ILA) will conduct a conference call and webcast to discuss 2003 first-quarter results on May 15 at 9 a.m. Eastern Time. Participants will be Chief Executive Officer Rick Green, Chief Operating Officer Keith Stamm and Chief Financial Officer Rick Dobson.

To access the live webcast, go to Aquila's website at www.aquila.com and click on Investors to find the webcast link. Listeners should allow at least five minutes to register and access the presentation.

For those unable to access the live broadcast, replays will be available for two weeks, beginning approximately two hours after the presentation. Web users can go to the Investors section of the Aquila website at www.aquila.com and choose Presentations & Webcasts.

Replay also will be available by telephone through May 22 at 800-405-2236 in the United States, and at 303-590-3000 for international callers. Callers must enter the access code 538347 when prompted.

Based in Kansas City, Mo., Aquila operates electricity and natural gas distribution networks serving customers in seven states and in Canada, the United Kingdom and Australia. The company also owns and operates power generation assets. More information is available at www.aquila.com.