Exhibit 4 JOINT FILING AGREEMENT This will confirm the agreement by and between the undersigned that the Statement on Schedule 13D (the "Statement") filed on or about this date with respect to the beneficial ownership by the undersigned of shares of...Joint Filing Agreement • August 12th, 2003 • Ascential Software Corp • Services-prepackaged software
This will confirm the agreement by and between the undersigned that the Statement on Schedule 13D (the "Statement") filed on or about this date with respect to the beneficial ownership by the undersigned of shares of common stock, par value $.01 per share, of Mercator Software, Inc., a Delaware corporation, is being filed on behalf of the undersigned.
