Sirius XM Radio (SIRI)

Item 9A. Controls and Procedures

Controls and Procedures

          We have performed an evaluation under the supervision and with the participation of our management, including Mel Karmazin, our Chief Executive Officer, and David Frear, our Executive Vice President and Chief Financial Officer, of the effectiveness of our disclosure controls and procedures, as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934. Based on that evaluation, our management, including our Chief Executive Officer and Chief Financial Officer, concluded that our disclosure controls and procedures were effective as of December 31, 2006 to ensure that information required to be disclosed by us in the reports filed or submitted by us under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. As a result of this evaluation, there were no significant changes in our disclosure controls and procedures during the three months ended December 31, 2006 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Management’s Report on Internal Control over Financial Reporting

          Our management is responsible for establishing and maintaining adequate internal control over financial reporting as defined in Rule 13a-15(f) under the Exchange Act. We have performed an evaluation under the supervision and with the participation of our management, including our Chief Executive Officer and our Chief Financial Officer, of the effectiveness of our internal control over financial reporting. Our management used the framework in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations to perform this evaluation. Based on that evaluation, our management, including our Chief Executive Officer and Chief Financial Officer, concluded that our internal control over financial reporting was effective as of December 31, 2006.

          Ernst & Young LLP, our independent registered public accounting firm, who audited the consolidated financial statements included in this Annual Report on Form 10-K, has issued an attestation report on our management’s assessment of the effectiveness of our internal control over financial reporting as of December 31, 2006, a copy of which is included in this Annual Report on Form 10-K.

Item 4. Controls and Procedures

As of March 31, 2005, an evaluation was performed under the supervision and with the participation of our management, including Mel Karmazin, our Chief Executive Officer, and David J. Frear, our Executive Vice President and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure and control procedures. Based on that evaluation, our management, including our chief executive officer and our chief financial officer, concluded that our disclosure controls and procedures were effective as of March 31, 2005. There have been no significant changes in our internal controls or in other factors that could significantly affect these internal controls subsequent to March 31, 2005.

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