American Ecology Announces Schedule for Its Fourth Quarter and Full Year 2006 Earnings Release and Conference Call

BOISE, ID -- (MARKET WIRE) -- January 26, 2007 -- American Ecology Corporation (NASDAQ: ECOL) today announced that it will release financial results for the fourth quarter and year ended December 31, 2006 following the close of the market on Tuesday, February 6, 2007. American Ecology will hold an investor conference call on Wednesday, February 7, 2007 at 11:00 a.m. Eastern Standard Time (9:00 a.m. Mountain Standard Time) to discuss these results and its business outlook.

Questions will be invited after management's presentation. Interested parties can access the conference call by dialing (866) 814-1914. The conference call will also be broadcast live on the Company's website at www.americanecology.com.

An audio replay of the teleconference will be made available through February 14, 2007 by calling (800) 675-9924 and using the passcode 20707. The replay will also be accessible on the Company's website at www.americanecology.com.

About American Ecology Corporation

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 steel mills, medical and academic institutions, petro-chemical facilities and the nuclear power industry. Headquartered in Boise, Idaho, the Company is the oldest radioactive and hazardous waste services company in the United States.

Contact Information: Contact: Alison Ziegler Cameron Associates (212) 554-5469 Email Contact www.americanecology.com