American Ecology Announces Schedule for Release of 4th Quarter Results and Investor Conference Call; Results Released February 8, 2005 Followed By Investor Call February 9.

BOISE, Idaho -- American Ecology Corporation (Nasdaq:ECOL), today announced that the Company will release fourth quarter 2004 financial results at 2 p.m. Mountain time on Tuesday, February 8, 2005. The company's investor conference call will follow on Wednesday, February 9 at 10:00 a.m. Mountain time.

Chief Executive Officer Stephen Romano, Chief Financial Officer James Baumgardner, and Controller Michael Gilberg will present fourth quarter financial results, discuss operations and answer questions during the call. Interested parties may send questions in advance to [e-mail], or by facsimile to 208-331-7900. Questions will also be invited after the presentations. To join the call, dial 877-331-8343. Participants will be asked to provide their name and affiliation.

American Ecology Corporation, through its subsidiaries, provides radioactive, PCB, hazardous, and non-hazardous waste services to commercial and government customers throughout the United States, such as nuclear power plants, steel mills, medical and academic institutions and petro-chemical facilities. Headquartered in Boise, Idaho, American Ecology is the oldest radioactive and hazardous waste services company in the United States.