Sirius XM Radio (SIRI)

Personnel

As of December 31, 2008, we had 1,640 full-time employees. In addition, we rely upon a number of part-time employees, consultants, other advisors and outsourced relationships. None of our employees is represented by a labor union, and we believe that our employee relations are good.

Personnel

As of December 31, 2008, we had 1,640 full-time employees. In addition, we rely upon a number of part-time employees, consultants,
other advisors and outsourced relationships. None of our employees is represented by a labor union, and we believe that our employee relations are good.

SIZE="2">Corporate Information

Our executive offices are located at 1221 Avenue of the Americas, 36th floor, New York, New York
10020 and our telephone number is (212) 584-5100. Our internet address is sirius.com. Our annual, quarterly and current reports, and amendments to those reports, filed or furnished pursuant to Section 14(a) or 15(d) of the Securities
Exchange Act of 1934 may be accessed free of charge through our website after we have electronically filed such material with, or furnished it to, the SEC. Sirius.com is an inactive textual reference only, meaning that the information contained on
the website is not part of this Annual Report on Form 10-K and is not incorporated in this report by reference.

XM Holdings and XM also
file and furnish annual, quarterly and current reports, and amendments to those reports, pursuant to the Securities Exchange Act of 1934, and those reports may be accessed free of charge through xmradio.com after XM Holdings and XM have
electronically filed such material with, or furnished it to, the SEC. Xmradio.com is an inactive textual reference only, meaning that the information contained on the website is not part of this Annual Report on Form 10-K and is not incorporated in
this report by reference.

Personnel

          As of December 31, 2006, we had 772 employees. In addition, we rely upon a number of consultants, other advisors and outsourced relationships. None of our employees is represented by a labor union, and we believe that our relationship with our employees is good.

Personnel

      As of December 31, 2005, we had 614 employees. In addition, we rely upon a number of consultants, other advisors and outsourced relationships. None of our employees is represented by a labor union, and we believe that our relationship with our employees is good.

Personnel

      As of March 7, 2005, we had 514 full-time employees. In addition, we rely upon a number of consultants, other advisors and outsourced relationships. None of our employees are represented by a labor union, and we believe that our relationship with our employees is good.