EXHIBIT 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE Contact: Daniel L. Krieger, Chairman & President (515) 232-6251 February 11, 2005 AMES NATIONAL CORPORATION ANNOUNCES DIVIDEND INCREASE The Ames National Corporation Board of Directors at its February 9th meeting increased the quarterly dividend from $0.49 per share to $0.75 per share payable May 16, 2005 to shareholders of record May 2, 2005, a 53% increase in the regular dividend. Based on this increase, the Company's Board of Directors does not anticipate the payment of a special dividend. 1