American Ecology to Release Second Quarter Earnings on July 31

Date: July 21, 2008

Source: American Ecology Corp.

American Ecology Announces Schedule for Its Second Quarter 2008 Earnings Release and Conference Call

American Ecology Corporation (NASDAQ: ECOL) todayannounced that it will release financial results for the quarter ended June 30, 2008 on Thursday, July 31, 2008 prior to the market open.

Management will conduct an investor conference call the same day at 11:00a.m. Eastern Daylight Time (9:00 a.m. Mountain Daylight Time) to discussthese results and its business outlook.

Questions will be invited after management's presentation. Interestedparties can access the conference call by dialing (877) 681-3374 or (719)325-4913 and using the passcode 6966948. The conference call will also bebroadcast live on the Company's website at www.americanecology.com.

An audio replay of the teleconference will be made available through August7, 2008 by calling (888) 203-1112 or (719) 457-0820 and using the passcode6966948. The replay will also be accessible on the Company's website atwww.americanecology.com.

About American Ecology Corporation

American Ecology Corporation, through its subsidiaries, providesradioactive, PCB, hazardous, and non-hazardous waste services to commercialand government customers throughout the United States, such as steel mills,medical and academic institutions, petro-chemical facilities and thenuclear power industry. Headquartered in Boise, Idaho, the Company is theoldest radioactive and hazardous waste services company in the UnitedStates.

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

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