Exhibit 4.3 AMENDED AND RESTATED SECURITY AGREEMENT Dated as of January 28, 2003Security Agreement • January 29th, 2003 • Xm Satellite Radio Inc • Communications services, nec • New York
Contract Type FiledJanuary 29th, 2003 Company Industry Jurisdiction
EXHIBIT 4.4 SECURITY AGREEMENT Dated as of March 15, 2000Security Agreement • September 1st, 2000 • Xm Satellite Radio Inc • Communications services, nec • New York
Contract Type FiledSeptember 1st, 2000 Company Industry Jurisdiction