from SC 13G
1 page
Exhibit 1 This Document Has Been Signed in Counterpart Joint Filing Agreement in Accordance With Rule 13d-1(f) Under the Securities Exchange Act of 1934, the Persons Named Below Agree to the Joint Filing on Behalf of Each of Them of a Statement on Schedule 13g (Including Amendments Thereto) With Respect to the Common Stock of Corsair Communications, Inc., and Further Agree That This Joint Filing Agreement Be Included as an Exhibit to Such Joint Filings. in Evidence Thereof Each of the Undersigned, Being Duly Authorized, Hereby Execute This Agreement on the Date Set Forth Opposite Its or His Name. Sevin Rosen Fund IV L.P. By: Srb Associates IV L.P., General Partner Dated: February 13, 1998 By: /S/ John Jaggers John V. Jaggers, a General Partner Srb Associates IV L.P. Dated: February 13, 1998 By:/S/ John Jaggers John V. Jaggers, a General Partner /S/ Jon W. Bayless Dated: February 13, 1998 Jon W. Bayless /S/ John Jaggers, Attorney-In-Fact Dated: February 13, 1998 Stephen M. Dow /S/ John Jaggers Dated: February 13, 1998 John V. Jaggers Page 1 of 2 Pages <page> /S/ John Jaggers, Attorney-In-Fact Dated: February 13, 1998 Charles H. Phipps Sevin Rosen Bayless Management Company Dated: February 13, 1998 By:/S/ John Jaggers Title: Vice President Page 2 of 2 Pages
