Exhibit 10.1 PURCHASE AGREEMENT This purchase agreement (this "Agreement"), dated as of September 5, 2003, is between T. ROWE PRICE ASSOCIATES, INC. (the "Purchaser") and XM Satellite Radio Holdings Inc. (the "Seller"). WHEREAS, the Purchaser, on...Purchase Agreement • September 9th, 2003 • Xm Satellite Radio Holdings Inc • Communications services, nec • New York
