SOURCE: American Ecology Corporation

June 11, 2008 11:19 ET

American Ecology Ranked 3rd on Seattle Times' Northwest 100 List of Best Performing Companies

BOISE, ID--(Marketwire - June 11, 2008) - American Ecology Corporation (NASDAQ: ECOL) today announced that the Company is ranked third on the Seattle Times' "Northwest 100," an annual ranking of the best performing public companies headquartered in Washington, Oregon and Idaho. The list was published in the June 8, 2008 issue. The Company was ranked seventh last year.

Companies are rated using a weighted formula that combines four performance metrics -- return on equity, operating income growth, sales per employee and stock-price appreciation -- to create a single score. While return on equity receives the greatest weight, no single measure dominates the ranking. Financial results were reviewed for the last two fiscal years. Companies must trade on a major exchange and have maintained a stock price above $2.00 for the period.

Financial performance statistics highlighted for American Ecology included return on equity of 24.8% in the last fiscal year and 2007 stock price appreciation of 50.7%.

Stephen Romano, Chairman and Chief Executive Officer, commented, "We are proud to join the top tier of public companies recognized by the Seattle Times for outstanding financial performance. Our entire organization deserves credit for this recognition of our collective commitment to creating shareholder value."

Complete results for all ranked companies can be found on-line at www.seattletimes.com/nw100.

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.

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