Exhibit 4.1 AMENDMENT NO. 1 TO FIRST AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT Amendment No. 1 (this "Amendment") dated as of September 10, 2003 to the First Amended and Restated Registration Rights Agreement dated as of January 20, 1999...Registration Rights Agreement • September 12th, 2003 • Centennial Communications Corp /De • Radiotelephone communications • Delaware
Exhibit 4.2 AMENDMENT NO. 1 TO FIRST AMENDED AND RESTATED STOCKHOLDERS AGREEMENT Amendment No. 1 (this "Amendment") dated as of September 10, 2003 to the First Amended and Restated Stockholders Agreement dated as of January 20, 1999 (such agreement...Stockholders Agreement • September 12th, 2003 • Centennial Communications Corp /De • Radiotelephone communications • Delaware
