JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D dated March 29, 2006...Joint Filing Agreement • March 30th, 2006 • Ramius Capital Group LLC • Services-computer programming, data processing, etc.
In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D dated March 29, 2006 (including amendments thereto) with respect to the Common Stock of S1 Corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
