BY AND AMONGMerger Agreement • May 9th, 2006 • Mpower Holding Corp • Telephone communications (no radiotelephone) • Delaware
EXHIBIT 10.1 AMENDMENT TO THE RIGHTS AGREEMENT AMENDMENT dated as of May 4, 2006 (this "Amendment") to the Rights Agreement dated as of July 10, 2003 (as amended by amendments thereto dated as of June 30, 2005 and March 14, 2005, the "Rights...Rights Agreement • May 9th, 2006 • Mpower Holding Corp • Telephone communications (no radiotelephone) • Delaware
