Astec Industries, Inc. (Nasdaq: ASTE) Announces Its First Quarter 2004 Conference Call April 21, 2004 at 10:00 A.M. Eastern Time CHATTANOOGA, Tenn., April 14 /PRNewswire-FirstCall/ -- You are invited by Astec Industries, Inc. ("Astec") to participate in a conference call to review its First Quarter 2004 financial results. Astec will be releasing its First Quarter 2004 financial results to the wire services on Wednesday, April 21, 2004 at approximately 7:00 A.M. Eastern Time. The live call will begin on Wednesday, April 21, 2004 at 10:00 A.M., Eastern Time. J. Don Brock, Chairman of the Board and CEO, F. McKamy Hall, Chief Financial Officer, and Stephen C. Anderson, Director of Investor Relations, will host the call. To access the call, dial (888) 694-4641 on Wednesday, April 21, 2004 at least 10 minutes prior to the scheduled time for the call. International callers should dial(973) 935-8512. You may also access a live webcast of the call by visiting http://www.astecindustries.com/ , Investor Relations section. You will need to give your name and company affiliation and reference Astec. An archived web cast will be available for ninety days at http://www.astecindustries.com/ . A replay of the call can be accessed through midnight on Saturday, April 24, 2004, by dialing (877) 519-4471, or (973) 341-3080 for international callers, - Confirmation #4701080. A transcription of the conference call will be made available under the Investor Relations section of the Astec Industries, Inc. website within 5 days after the call. Astec Industries, Inc. is a manufacturer of specialized equipment for building and restoring the world's infrastructure. Astec's manufacturing operations are divided into four business segments: aggregate processing and mining equipment, asphalt production equipment, mobile asphalt paving equipment, and underground boring, directional drilling and trenching equipment. If you have any questions about the call schedule, please contact Amy Hartmann at(423) 899-5898 or . Conference call information is also located on the website at http://www.astecindustries.com/ . DATASOURCE: Astec Industries, Inc. CONTACT: Amy Hartmann of Astec Industries, Inc., +1-423-899-5898, or Web site: http://www.astecindustries.com/

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