EX-1 3 jd4-23_ex1.txt Exhibit 1 JOINT FILING AGREEMENT This will confirm the agreement by and among all the undersigned that the Schedule 13D filed on or about this date and any amendments thereto with respect to beneficial ownership by the undersigned of shares of the common stock, par value $0.01 per share, of PanAmSat Corporation is being filed on behalf of each of the undersigned in accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934. This agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Dated: April 23, 2003 GENERAL MOTORS CORPORATION By: /s/ Warren G. Andersen ---------------------------------------------- Name: Warren G. Andersen Title: Assistant General Counsel and Assistant Secretary HUGHES COMMUNICATIONS, INC. By: /s/ Patrick T. Doyle --------------------------------------------- Name: Patrick T. Doyle Title: Senior Vice President and Chief Financial Officer HUGHES COMMUNICATIONS GALAXY, INC. By: /s/ Patrick T. Doyle ---------------------------------------------- Name: Patrick T. Doyle Title: Senior Vice President and Chief Financial Officer HUGHES COMMUNICATIONS SATELLITE SERVICES, INC. By: /s/ Patrick T. Doyle ---------------------------------------------- Name: Patrick T. Doyle Title: Senior Vice President and Chief Financial Officer 14