AMENDMENT NO. 1 TO AMENDED AND RESTATED AGREEMENT AMONG CERTAIN STOCKHOLDERS This Amendment No. 1 to Amended and Restated Agreement Among Certain Stockholders (this "Amendment") dated to be effective as of October 1, 1997 among PageMart Wireless, Inc....Amendment No. 1 to Amended and Restated Agreement Among Certain Stockholders • February 20th, 1998 • Pagemart Wireless Inc • Radiotelephone communications
