EX-1 2 dex1.txt JOINT FILING AGREEMENT EXHIBIT 1 Joint Filing Agreement The undersigned persons agree and consent to the joint filing on their behalf of this Schedule 13G in connection with their beneficial ownership of Amwest Insurance Group, Inc. at March 31, 2001. WILLIAM J. NASGOVITZ By: /s/ PAUL T. BESTE ---------------- Paul T. Beste As Attorney in Fact for William J. Nasgovitz HEARTLAND ADVISORS, INC. By: /s/ PAUL T. BESTE ------------- Paul T. Beste Chief Operating Officer