Source: US Ecology, Inc.

American Ecology Declares Quarterly Dividend of $0.18 per Share

BOISE, ID--(Marketwire - October 1, 2009) - American Ecology Corporation (NASDAQ: ECOL) today declared that stockholders of record on October 16, 2009 will receive a quarterly cash dividend of $0.18 per common share, payable on October 23, 2009.

At June 30, 2009, the Company reported 18.1 million shares outstanding and $24.9 million in cash on hand. The Company estimates that approximately $3.3 million in cash will be paid out for the declared quarterly dividend.

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 alison@cameronassoc.com www.americanecology.com