American Ecology to Release First Quarter Results April 24

Date: April 16, 2007

Source: American Ecology Corporation

American Ecology Announces Schedule for Its First Quarter 2007 Earnings Release and Conference Call

American Ecology Corporation (NASDAQ: ECOL) today announced that it will release financial results for the first quarter of 2007 following the close of the market on Tuesday, April 24, 2007. American Ecology will hold an investor conference call on Wednesday, April 25, 2007 at 11:00 a.m. Eastern Daylight Time (9:00 a.m. Mountain Daylight Time) to discuss these results.

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 May 2, 2007 by calling (800) 675-9924 and using the passcode 42507. 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.

For more information, contact:
Alison Ziegler
Cameron Associates
(212) 554-5469
alison@cameronassoc.com
www.americanecology.com.

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