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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
<DIV style="font-family: Helvetica,Arial,sans-serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">As
filed with the Securities and Exchange Commission on September&nbsp;10, 2010 Registration No.&nbsp;333-
</DIV>


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT<BR>
UNDER<BR>
THE SECURITIES ACT OF 1933</B>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>SIRIUS XM RADIO INC.</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)</DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
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<TR></TR>
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<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>52-170027</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction of <BR>
incorporation or organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer<BR>
Identification No.)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>1221 Avenue of the Americas, 36th Floor<BR>
New York, New York 10020<BR>
(212)&nbsp;584-5100</B><BR>
(Address, including zip code, and telephone number, including area code, of Registrant&#146;s principal executive offices)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>SIRIUS XM RADIO 401(k) SAVINGS PLAN</B><BR>
(Full title of the Plan)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Patrick L. Donnelly<BR>
Executive Vice President, General Counsel and Secretary<BR>
Sirius XM Radio Inc.<BR>
1221 Avenue of the Americas<BR>
36th Floor<BR>
New York, New York 10020<BR>
(212)&nbsp;584-5100</B><BR>
(Name, address, including zip code, and telephone number, including area code, of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 0pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">Copies to:<BR>
<B>Gary L. Sellers<BR>
Simpson Thacher &#038; Bartlett LLP<BR>
425 Lexington Avenue<BR>
New York, New York 10017-3954<BR>
(212)&nbsp;455-2000</B></DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 0pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer, or a smaller reporting company. See the definitions of &#147;large
accelerated filer,&#148; &#147;accelerated filer&#148; and &#147;smaller reporting company&#148; in Rule&nbsp;12b-2 of the
Exchange Act.
</DIV>

<DIV align="center">
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    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
</TR>
<TR></TR>
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<TR valign="bottom">
    <TD align="center" valign="top"><FONT style="white-space: nowrap">Large accelerated filer <FONT style="font-family: Wingdings">&#254;</FONT></FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="white-space: nowrap">Accelerated filer <FONT style="font-family: Wingdings">&#111;</FONT></FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="white-space: nowrap">Non-accelerated filer <FONT style="font-family: Wingdings">&#111;</FONT></FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"> <FONT style="white-space: nowrap">Smaller reporting company <FONT style="font-family: Wingdings">&#111;</FONT></FONT></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="white-space: nowrap">(Do not check if smaller reporting company)</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
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</TABLE>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="1%">&nbsp;</TD>
    <TD width="48%">&nbsp;</TD>
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    <TD width="12%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>

<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>Title of securities to be</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount to be</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount of</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>registered (1)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Registered (2)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>offering price per share (3)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>aggregate offering price (3)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>registration fee</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>


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    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock, par value $0.001
per share</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">2,750,000</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$1.00</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$2,750,000</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$196.01</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>


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</TABLE>
</DIV>


<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 6pt; width: 18%; border-top: 0px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Includes, with respect to each share of common stock, an associated preferred stock purchase
right (the &#147;Rights&#148;), giving the holder the right to purchase one one-millionth of a share of
Series&nbsp;C Junior Preferred Stock for each share of common stock. The Rights are appurtenant to
and trade with the common stock. No separate consideration is payable for the Rights.
Therefore, the registration fee for the Rights is included in the fee for the common stock.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>This amount represents a 2,750,000 share increase in the number of shares of common stock
authorized for issuance under the Sirius XM Radio 401(k) Savings Plan. In addition to the
shares set forth in the table, pursuant to Rule 416(a) under the Securities Act of 1933, as
amended, this registration statement also covers an indeterminable number of shares of common
stock that may be issued as a result of stock splits, stock dividends and anti-dilution
provisions. In addition, pursuant to Rule 416(c) under the Securities Act of 1933, this
registration statement also covers an indeterminate amount of interests to be offered or sold
pursuant to the employee benefit plan described herein.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(3)</TD>
    <TD>&nbsp;</TD>
    <TD>Pursuant to Rule 457(c) and Rule 457(h) of the Securities Act, estimated solely for the
purpose of calculating the registration fee based on the average of the high and low prices
per share of the registrant&#146;s common stock on September&nbsp;3, 2010, as reported in the NASDAQ
Global Select Market.</TD>
</TR>

</TABLE>



<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>











<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: Helvetica,Arial,sans-serif">

<!-- TOC -->
<A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

<P><CENTER>
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	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="76%"></TD>
</TR>
<TR><TD colspan="9"><A HREF="#000">PART II</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#001">Item&nbsp;3. Incorporation of Documents by Reference</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#002">Item&nbsp;5. Interests of Named Experts and Counsel</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#003">Item&nbsp;8. Exhibits</A></TD></TR>
<TR><TD colspan="9"><A HREF="#004">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#005">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#006">INDEX TO EXHIBITS</A></TD></TR>
<TR><TD colspan="9"><A HREF="y86540exv5.htm">EX-5</A></TD></TR>
<TR><TD colspan="9"><A HREF="y86540exv23w1.htm">EX-23.1</A></TD></TR>
<TR><TD colspan="9"><A HREF="y86540exv23w2.htm">EX-23.2</A></TD></TR>
</TABLE>
</CENTER>
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>INTRODUCTION</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Registration Statement on Form S-8 is filed by Sirius XM Radio Inc., a Delaware
corporation (the &#147;Company&#148;), to register an additional 2,750,000 shares of the Company&#146;s common
stock, par value of $0.001 per share and an indeterminate number of plan interests, issuable under
the Sirius XM Radio 401(k) Savings Plan (the &#147;Plan&#148;). Pursuant to General Instruction E to Form
S-8, the Company incorporates by reference into this Registration Statement the entire contents of
its earlier Registration Statements on Form S-8, File Nos. 333-166699; 333-158156;
333-156441; 333-149186, 333-142726; 333-139214; 333-133277; 333-125118; 333-119479;
333-111221; 333-106020; 333-101515; 333-100083; 333-81914; 333-74752; 333-62818; 333-47954 and
333-65473 relating to the Plan, except that the provisions contained in Part&nbsp;II of such earlier
registration statements are modified as set forth in this Registration Statement.
</DIV>
<!-- link1 "PART II" -->
<DIV align="left"><A NAME="000"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>INFORMATION REQUIRED IN REGISTRATION STATEMENT</B>
</DIV>
<!-- link2 "Item&nbsp;3. Incorporation of Documents by Reference" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;3. Incorporation of Documents by Reference</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents filed by the Company and the Plan with the Securities and Exchange
Commission (the &#147;Commission&#148;) are incorporated herein by reference:
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">1.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company&#146;s Annual Report on Form 10-K for the year ended December&nbsp;31,
2009;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">2.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company&#146;s Quarterly Reports on Form 10-Q for the quarters ended March&nbsp;31,
2010 and June&nbsp;30, 2010;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">3.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Plan&#146;s Annual Report on Form 11-K for the year ended December&nbsp;31, 2009;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">4.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company Current Reports on Form 8-K dated January&nbsp;15, 2010; March&nbsp;18,
2010; March&nbsp;19, 2010 and June&nbsp;1, 2010; and</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">5.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The description of the Company&#146;s common stock contained in the Company&#146;s
Registration Statement on Form 8-A filed pursuant to Section 12(g) of the Securities
Exchange Act of 1934, as amended.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All other documents filed by the Company or the Plan with the Commission pursuant to Sections
13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as amended, subsequent to the
date of this registration statement and prior to the filing of a post-effective amendment which
indicates that all securities registered hereby have been sold or which deregisters all securities
then remaining unsold, shall be deemed to be incorporated by reference in this registration
statement and to be part hereof from the date of filing of such documents. Any statement contained
in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be
modified or superseded for purposes of this registration statement to the extent that a statement
contained herein or in any other subsequently filed document which also is incorporated or deemed
to be incorporated by reference herein modifies or supersedes such statement. Any such statement
so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a
part of this registration statement.
</DIV>
<!-- link2 "Item&nbsp;5. Interests of Named Experts and Counsel" -->
<DIV align="left"><A NAME="002"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;5. Interests of Named Experts and Counsel</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Patrick L. Donnelly, Esq., whose legal opinion with respect to the securities registered
hereunder is filed as Exhibit&nbsp;5 hereto, is an employee of the Company and participates in the Plan
and other benefit plans established by the Company.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: Helvetica,Arial,sans-serif">
<!-- link2 "Item&nbsp;8. Exhibits" -->
<DIV align="left"><A NAME="003"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. Exhibits</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For a list of exhibits, see the Exhibit&nbsp;Index in this Registration Statement, which is
incorporated into this Item by reference.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Company has submitted the Plan to the Internal Revenue Service (the &#147;IRS&#148;). The Company
hereby undertakes to submit any amendments thereto to the IRS in a timely manner and has made or
will make all changes required by the IRS in order to qualify the Plan under Section&nbsp;401 of the
Internal Revenue Code.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: Helvetica,Arial,sans-serif">
<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="004"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant
certifies that it has reasonable grounds to believe that it meets all of the requirements for
filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of New York, State of New York, on
September&nbsp;10, 2010.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">SIRIUS XM RADIO INC.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Patrick L. Donnelly
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Patrick L. Donnelly&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Executive Vice President,<BR>
General Counsel and Secretary&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>POWER OF ATTORNEY</B>
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL MEN BY THESE PRESENTS, that each individual whose signature appears below hereby
constitutes and appoints Patrick L. Donnelly and Ruth A. Ziegler, and each of them, his or her true
and lawful agent, proxy and attorney-in-fact, each acting alone with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any and all capacities,
to (i)&nbsp;act on, sign and file with the Commission any and all amendments (including post-effective
amendments) to this registration statement together with all schedules and exhibits thereto, (ii)
act on, sign and file such certificates, instruments, agreements and other documents as may be
necessary or appropriate in connection therewith, and (iii)&nbsp;take any and all actions which may be
necessary or appropriate in connection therewith, granting unto such agents, proxies and
attorneys-in-fact, and each of them, full power and authority to do and perform each and every act
and thing necessary or appropriate to be done, as fully for all intents and purposes as he or she
might or could do in person, hereby approving, ratifying and confirming all that such agents,
proxies and attorneys-in-fact, any of them or any of his, her or their substitutes may lawfully do
or cause to be done by virtue thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, as amended, this registration
statement has been signed by the following persons in the capacities and on the dates indicated:
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="35%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Signatures</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Date</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Mel Karmazin
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Mel Karmazin
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chief Executive Officer (Principal <BR>
Executive Officer) and Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ David J. Frear
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
David J. Frear
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Executive Vice President and <BR>
Chief Financial Officer<BR>
(Principal Financial Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Thomas Barry
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Thomas Barry
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Senior Vice President and <BR>
Corporate Controller (Principal <BR>
Accounting Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: Helvetica,Arial,sans-serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="35%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Signatures</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Date</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->

<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>

<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Eddy W. Hartenstein
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Eddy W. Hartenstein
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chairman of the Board of Directors&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Joan L. Amble
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Joan L. Amble
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Leon D. Black
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Leon D. Black
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ David J. A. Flowers
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
David J.A. Flowers
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Lawrence F. Gilberti
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Lawrence F. Gilberti
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ James P. Holden
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
James P. Holden
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Gregory B. Maffei
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Gregory B. Maffei
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ John C. Malone
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
John C. Malone
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ James F. Mooney
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
James F. Mooney
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Jack Shaw
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Jack Shaw
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">September&nbsp;10, 2010</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: Helvetica,Arial,sans-serif">

<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="005"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, as amended, the trustees (or other
persons who administer the employee benefits plan) have duly caused this Registration Statement to
be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York,
State of New York, on September&nbsp;10, 2010.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>


<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">SIRIUS XM RADIO 401(K) SAVINGS PLAN<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

<TR style="font-size: 6pt; margin-top: 0pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Patrick L. Donnelly
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Patrick L. Donnelly&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Trustee&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: Helvetica,Arial,sans-serif">


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>

</TABLE>
<!-- link1 "INDEX TO EXHIBITS" -->
<DIV align="left"><A NAME="006"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><U><B>INDEX TO EXHIBITS</B></U>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="92%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center">Exhibit</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">No.</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Certificate of Incorporation of the
Company, dated March&nbsp;4, 2003 (incorporated by reference to
Exhibit&nbsp;3.1 to the Company&#146;s Annual Report on Form&nbsp;10-K for the
year ended December&nbsp;31, 2002).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Certificate of Amendment of the Amended and Restated Certificate
of Incorporation of the Company, dated July&nbsp;28, 2008
(incorporated by reference to Exhibit&nbsp;3.1 to the Company&#146;s
Current Report on Form&nbsp;8-K dated August&nbsp;1, 2008).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Certificate of Amendment of the Amended and Restated Certificate
of Incorporation of the Company, dated December&nbsp;18, 2008
(incorporated by reference to Exhibit&nbsp;3.3 to the Company&#146;s
Registration Statement on Form&nbsp;S-3 dated December&nbsp;30, 2008).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Certificate of Amendment of the Amended and Restated Certificate
of Incorporation of the Company, dated May&nbsp;29, 2009
(incorporated by reference to Exhibit&nbsp;4.4 to the Company&#146;s
Registration Statement on Form&nbsp;S-8 dated July&nbsp;1, 2009).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated By-laws of the Company (incorporated by
reference to Exhibit&nbsp;3.2 to the Company&#146;s Quarterly Report on
Form&nbsp;10-Q for the quarter ended September&nbsp;30, 2001).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.6
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Certificate of Amendment of the Amended and Restated By-laws of
the Company, dated July&nbsp;28, 2008 (incorporated by reference to
Exhibit&nbsp;3.2 to the Company&#146;s Current Report on Form&nbsp;8-K dated
August&nbsp;1, 2008).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.7
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Form of certificate for shares of Common Stock (incorporated by
reference to Exhibit&nbsp;4.3 to the Company&#146;s Registration Statement
on Form&nbsp;S-1 (File No.&nbsp;33-74782)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.8
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Rights Agreement, dated as of April&nbsp;29, 2009, between the
Company and The Bank of New York Mellon, as Rights Agent,
(incorporated by reference to Exhibit&nbsp;4.1 to the Company&#146;s
Current Report on Form&nbsp;8-K dated on April&nbsp;29, 2009).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.9
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Sirius XM Radio 401(k) Savings Plan, as amended and restated
effective January&nbsp;1, 2009 (incorporated by reference to Exhibit
10.30 to the Company&#146;s Annual Report on Form&nbsp;10-K for the year
ended December&nbsp;31, 2009).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Patrick L. Donnelly, Esq., Executive Vice President,
General Counsel and Secretary of the Company.*</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Independent Registered Public Accounting Firm.*</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Independent Registered Public Accounting Firm.*</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

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<DIV align="center">
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    <TD align="left" valign="top">Consent of Patrick L. Donnelly, Esq., Executive Vice President,
General Counsel and Secretary of the Company (included in
Exhibit&nbsp;5).*</TD>
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    <TD align="left" valign="top">Power of Attorney (included as part of the signature pages to
this Registration Statement).*</TD>
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[{"type": "S-8", "sequence": "1", "filename": "y86540sv8.htm", "description": "FORM S-8", "secsgml_size_bytes": 46749}]
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sv8
Table of Contents
As
filed with the Securities and Exchange Commission on September 10, 2010 Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
SIRIUS XM RADIO INC.
(Exact name of registrant as specified in its charter)
Delaware
52-170027
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer
Identification No.)
1221 Avenue of the Americas, 36th Floor
New York, New York 10020
(212) 584-5100
(Address, including zip code, and telephone number, including area code, of Registrant's principal executive offices)
SIRIUS XM RADIO 401(k) SAVINGS PLAN
(Full title of the Plan)
Patrick L. Donnelly
Executive Vice President, General Counsel and Secretary
Sirius XM Radio Inc.
1221 Avenue of the Americas
36th Floor
New York, New York 10020
(212) 584-5100
(Name, address, including zip code, and telephone number, including area code, of agent for service)
Copies to:
Gary L. Sellers
Simpson Thacher & Bartlett LLP
425 Lexington Avenue
New York, New York 10017-3954
(212) 455-2000
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large
accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the
Exchange Act.
Large accelerated filer
þ
Accelerated filer
o
Non-accelerated filer
o
Smaller reporting company
o
(Do not check if smaller reporting company)
Title of securities to be
Amount to be
Proposed maximum
Proposed maximum
Amount of
registered (1)
Registered (2)
offering price per share (3)
aggregate offering price (3)
registration fee
Common Stock, par value $0.001
per share
2,750,000
$1.00
$2,750,000
$196.01
(1)
Includes, with respect to each share of common stock, an associated preferred stock purchase
right (the "Rights"), giving the holder the right to purchase one one-millionth of a share of
Series C Junior Preferred Stock for each share of common stock. The Rights are appurtenant to
and trade with the common stock. No separate consideration is payable for the Rights.
Therefore, the registration fee for the Rights is included in the fee for the common stock.
(2)
This amount represents a 2,750,000 share increase in the number of shares of common stock
authorized for issuance under the Sirius XM Radio 401(k) Savings Plan. In addition to the
shares set forth in the table, pursuant to Rule 416(a) under the Securities Act of 1933, as
amended, this registration statement also covers an indeterminable number of shares of common
stock that may be issued as a result of stock splits, stock dividends and anti-dilution
provisions. In addition, pursuant to Rule 416(c) under the Securities Act of 1933, this
registration statement also covers an indeterminate amount of interests to be offered or sold
pursuant to the employee benefit plan described herein.
(3)
Pursuant to Rule 457(c) and Rule 457(h) of the Securities Act, estimated solely for the
purpose of calculating the registration fee based on the average of the high and low prices
per share of the registrant's common stock on September 3, 2010, as reported in the NASDAQ
Global Select Market.
TABLE OF CONTENTS
PART II
Item 3. Incorporation of Documents by Reference
Item 5. Interests of Named Experts and Counsel
Item 8. Exhibits
SIGNATURES
SIGNATURES
INDEX TO EXHIBITS
EX-5
EX-23.1
EX-23.2
Table of Contents
INTRODUCTION
This Registration Statement on Form S-8 is filed by Sirius XM Radio Inc., a Delaware
corporation (the "Company"), to register an additional 2,750,000 shares of the Company's common
stock, par value of $0.001 per share and an indeterminate number of plan interests, issuable under
the Sirius XM Radio 401(k) Savings Plan (the "Plan"). Pursuant to General Instruction E to Form
S-8, the Company incorporates by reference into this Registration Statement the entire contents of
its earlier Registration Statements on Form S-8, File Nos. 333-166699; 333-158156;
333-156441; 333-149186, 333-142726; 333-139214; 333-133277; 333-125118; 333-119479;
333-111221; 333-106020; 333-101515; 333-100083; 333-81914; 333-74752; 333-62818; 333-47954 and
333-65473 relating to the Plan, except that the provisions contained in Part II of such earlier
registration statements are modified as set forth in this Registration Statement.
PART II
INFORMATION REQUIRED IN REGISTRATION STATEMENT
Item 3. Incorporation of Documents by Reference
The following documents filed by the Company and the Plan with the Securities and Exchange
Commission (the "Commission") are incorporated herein by reference:
1.
The Company's Annual Report on Form 10-K for the year ended December 31,
2009;
2.
The Company's Quarterly Reports on Form 10-Q for the quarters ended March 31,
2010 and June 30, 2010;
3.
The Plan's Annual Report on Form 11-K for the year ended December 31, 2009;
4.
The Company Current Reports on Form 8-K dated January 15, 2010; March 18,
2010; March 19, 2010 and June 1, 2010; and
5.
The description of the Company's common stock contained in the Company's
Registration Statement on Form 8-A filed pursuant to Section 12(g) of the Securities
Exchange Act of 1934, as amended.
All other documents filed by the Company or the Plan with the Commission pursuant to Sections
13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as amended, subsequent to the
date of this registration statement and prior to the filing of a post-effective amendment which
indicates that all securities registered hereby have been sold or which deregisters all securities
then remaining unsold, shall be deemed to be incorporated by reference in this registration
statement and to be part hereof from the date of filing of such documents. Any statement contained
in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be
modified or superseded for purposes of this registration statement to the extent that a statement
contained herein or in any other subsequently filed document which also is incorporated or deemed
to be incorporated by reference herein modifies or supersedes such statement. Any such statement
so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a
part of this registration statement.
Item 5. Interests of Named Experts and Counsel
Patrick L. Donnelly, Esq., whose legal opinion with respect to the securities registered
hereunder is filed as Exhibit 5 hereto, is an employee of the Company and participates in the Plan
and other benefit plans established by the Company.
Table of Contents
Item 8. Exhibits
For a list of exhibits, see the Exhibit Index in this Registration Statement, which is
incorporated into this Item by reference.
The Company has submitted the Plan to the Internal Revenue Service (the "IRS"). The Company
hereby undertakes to submit any amendments thereto to the IRS in a timely manner and has made or
will make all changes required by the IRS in order to qualify the Plan under Section 401 of the
Internal Revenue Code.
Table of Contents
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant
certifies that it has reasonable grounds to believe that it meets all of the requirements for
filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of New York, State of New York, on
September 10, 2010.
SIRIUS XM RADIO INC.
By:
/s/ Patrick L. Donnelly
Patrick L. Donnelly
Executive Vice President,
General Counsel and Secretary
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that each individual whose signature appears below hereby
constitutes and appoints Patrick L. Donnelly and Ruth A. Ziegler, and each of them, his or her true
and lawful agent, proxy and attorney-in-fact, each acting alone with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any and all capacities,
to (i) act on, sign and file with the Commission any and all amendments (including post-effective
amendments) to this registration statement together with all schedules and exhibits thereto, (ii)
act on, sign and file such certificates, instruments, agreements and other documents as may be
necessary or appropriate in connection therewith, and (iii) take any and all actions which may be
necessary or appropriate in connection therewith, granting unto such agents, proxies and
attorneys-in-fact, and each of them, full power and authority to do and perform each and every act
and thing necessary or appropriate to be done, as fully for all intents and purposes as he or she
might or could do in person, hereby approving, ratifying and confirming all that such agents,
proxies and attorneys-in-fact, any of them or any of his, her or their substitutes may lawfully do
or cause to be done by virtue thereof.
Pursuant to the requirements of the Securities Act of 1933, as amended, this registration
statement has been signed by the following persons in the capacities and on the dates indicated:
Signatures
Title
Date
/s/ Mel Karmazin
Mel Karmazin
Chief Executive Officer (Principal
Executive Officer) and Director
September 10, 2010
/s/ David J. Frear
David J. Frear
Executive Vice President and
Chief Financial Officer
(Principal Financial Officer)
September 10, 2010
/s/ Thomas Barry
Thomas Barry
Senior Vice President and
Corporate Controller (Principal
Accounting Officer)
September 10, 2010
Table of Contents
Signatures
Title
Date
/s/ Eddy W. Hartenstein
Eddy W. Hartenstein
Chairman of the Board of Directors
September 10, 2010
/s/ Joan L. Amble
Joan L. Amble
Director
September 10, 2010
/s/ Leon D. Black
Leon D. Black
Director
September 10, 2010
/s/ David J. A. Flowers
David J.A. Flowers
Director
September 10, 2010
/s/ Lawrence F. Gilberti
Lawrence F. Gilberti
Director
September 10, 2010
/s/ James P. Holden
James P. Holden
Director
September 10, 2010
/s/ Gregory B. Maffei
Gregory B. Maffei
Director
September 10, 2010
/s/ John C. Malone
John C. Malone
Director
September 10, 2010
/s/ James F. Mooney
James F. Mooney
Director
September 10, 2010
/s/ Jack Shaw
Jack Shaw
Director
September 10, 2010
Table of Contents
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the trustees (or other
persons who administer the employee benefits plan) have duly caused this Registration Statement to
be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York,
State of New York, on September 10, 2010.
SIRIUS XM RADIO 401(K) SAVINGS PLAN
By:
/s/ Patrick L. Donnelly
Patrick L. Donnelly
Trustee
Table of Contents
INDEX TO EXHIBITS
Exhibit
No.
4.1
Amended and Restated Certificate of Incorporation of the
Company, dated March 4, 2003 (incorporated by reference to
Exhibit 3.1 to the Company's Annual Report on Form 10-K for the
year ended December 31, 2002).
4.2
Certificate of Amendment of the Amended and Restated Certificate
of Incorporation of the Company, dated July 28, 2008
(incorporated by reference to Exhibit 3.1 to the Company's
Current Report on Form 8-K dated August 1, 2008).
4.3
Certificate of Amendment of the Amended and Restated Certificate
of Incorporation of the Company, dated December 18, 2008
(incorporated by reference to Exhibit 3.3 to the Company's
Registration Statement on Form S-3 dated December 30, 2008).
4.4
Certificate of Amendment of the Amended and Restated Certificate
of Incorporation of the Company, dated May 29, 2009
(incorporated by reference to Exhibit 4.4 to the Company's
Registration Statement on Form S-8 dated July 1, 2009).
4.5
Amended and Restated By-laws of the Company (incorporated by
reference to Exhibit 3.2 to the Company's Quarterly Report on
Form 10-Q for the quarter ended September 30, 2001).
4.6
Certificate of Amendment of the Amended and Restated By-laws of
the Company, dated July 28, 2008 (incorporated by reference to
Exhibit 3.2 to the Company's Current Report on Form 8-K dated
August 1, 2008).
4.7
Form of certificate for shares of Common Stock (incorporated by
reference to Exhibit 4.3 to the Company's Registration Statement
on Form S-1 (File No. 33-74782)).
4.8
Rights Agreement, dated as of April 29, 2009, between the
Company and The Bank of New York Mellon, as Rights Agent,
(incorporated by reference to Exhibit 4.1 to the Company's
Current Report on Form 8-K dated on April 29, 2009).
4.9
Sirius XM Radio 401(k) Savings Plan, as amended and restated
effective January 1, 2009 (incorporated by reference to Exhibit
10.30 to the Company's Annual Report on Form 10-K for the year
ended December 31, 2009).
5
Opinion of Patrick L. Donnelly, Esq., Executive Vice President,
General Counsel and Secretary of the Company.*
23.1
Consent of Independent Registered Public Accounting Firm.*
23.2
Consent of Independent Registered Public Accounting Firm.*
Table of Contents
Exhibit
No.
23.3
Consent of Patrick L. Donnelly, Esq., Executive Vice President,
General Counsel and Secretary of the Company (included in
Exhibit 5).*
24
Power of Attorney (included as part of the signature pages to
this Registration Statement).*
*
Filed herewith.