UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 14, 2004 AMERICAN ECOLOGY CORPORATION (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 0-11688 95-3889638 ------------------------------- ----------------------- ---------------------- (State or other jurisdiction of (Commission File Number) (I.R.S. Employer incorporation or organization) Identification Number) Lakepointe Centre I, 300 E. Mallard, Suite 300 Boise, Idaho 83706 ----- (Address of principal executive (Zip Code) offices) (208) 331-8400 -------------- (Registrant's telephone number, including area code) 1 ITEM 5. OTHER EVENTS. Effective May 14, 2004 the U.S. Army Corps of Engineers exercised their option to extend the term of their disposal contract with subsidiary US Ecology Idaho, Inc. through May 13, 2009. On June 1, 2004, the Company issued a press release entitled "AMERICAN ECOLOGY ANNOUNCES 5 YEAR RENEWAL OF ARMY CORPS OF ENGINEERS DISPOSAL CONTRACT". The press release, dated June 1, 2004, is attached as Exhibit 99 and incorporated by reference herein. Exhibit 99 Press Release, dated June 1, 2004, entitled "AMERICAN ECOLOGY ANNOUNCES 5 YEAR RENEWAL OF ARMY CORPS OF ENGINEERS DISPOSAL CONTRACT" 2 SIGNATURES ---------- Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. AMERICAN ECOLOGY CORPORATION (Registrant) Date: June 1, 2004 By: /S/ James R. Baumgardner ------------------------ James R. Baumgardner Senior Vice President, Chief Financial Officer, Secretary and Treasurer 3 EXHIBIT INDEX Exhibit Description ------- ----------- Exhibit 99 Press Release, dated June 1, 2004, entitled "AMERICAN ECOLOGY ANNOUNCES 5 YEAR RENEWAL OF ARMY CORPS OF ENGINEERS DISPOSAL CONTRACT" 4