1 Exhibit 10.16A KEY EMPLOYEE EMPLOYMENT AGREEMENT ADDENDUM This ADDENDUM to the KEY EMPLOYEE EMPLOYMENT AGREEMENT (executed on June 21, 1999) ("Agreement") entered into this ______ day of February, 2001 by and between ADVANCED SWITCHING...Key Employee Employment Agreement Addendum • March 30th, 2001 • Advanced Switching Communications Inc • Telephone & telegraph apparatus • Virginia
