EXHIBIT 99.1 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 April...Joint Filing Agreement • April 1st, 2005 • Wynnefield Partners Small Cap Value Lp • Services-computer integrated systems design
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 April 1, 2005 (including amendments thereto) with respect to the 12% Cumulative Exchangeable Redeemable Preferred Stock of Telos Corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
