EXHIBIT 4 AMENDMENT AGREEMENT This Amendment Agreement (the "AMENDMENT AGREEMENT") is entered into as of August 19, 2005 by and between ACT Teleconferencing, Inc, a Colorado corporation (the "COMPANY"), and Dolphin Direct Equity Partners, LP, a...Exhibit 4 Amendment Agreement • August 29th, 2005 • Act Teleconferencing Inc • Communications services, nec • New York
