Exhibit D. AMENDMENT NO. 1 TO STOCKHOLDERS' AGREEMENT This AMENDMENT NO. 1 TO STOCKHOLDERS' AGREEMENT, dated August 10, 2001 (the "Amendment No. 1"), is entered into by and among Mode 1 Communications, Inc. ("M1"), Exelon Enterprises Management, Inc.,...Stockholders' Agreement • October 24th, 2001 • Neon Communications Inc • Telephone communications (no radiotelephone) • Delaware
