Sirius XM Radio Inc. (USA): Share Update
Changes In FTSE Indices

23 January 2009

Following the conversion of 2.50% convertible notes into common shares and the receipt of updated shares in issue information from Sirius XM Radio Inc. (USA constituent), FTSE announces the following changes:

INDEX	CHANGE	EFFECTIVE FROM START OF TRADING
FTSE All-World Index	Sirius XM Radio (USA, 2159698) will remain in the index with an increased shares in issue total of 3,651,765,837 and an unchanged investability weighting of 100%.	30 January 2009
FTSE World Index Ex-Multinationals	Sirius XM Radio will remain in the index as detailed above.	30 January 2009
FTSE Global Sector - Media	Sirius XM Radio will remain in the index as detailed above.	30 January 2009
FTSE Global Style Index	Sirius XM Radio will remain in the index as detailed above.	30 January 2009

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