Sirius XM Holdings Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation Plans and Awards (Details 2)

Stock-based Compensation Plans and Awards (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012	Oct. 31, 2011
Stock-based compensation expenses:
Total stock based compensation expenses	$ 7,073	$ 2,675	$ 18,610	$ 5,739
Cost of revenue - Other
Stock-based compensation expenses:
Total stock based compensation expenses	333	184	900	396
Product development
Stock-based compensation expenses:
Total stock based compensation expenses	1,180	491	3,351	1,081
Marketing and sales
Stock-based compensation expenses:
Total stock based compensation expenses	3,186	1,463	8,854	2,965
General and administrative
Stock-based compensation expenses:
Total stock based compensation expenses	$ 2,374	$ 537	$ 5,505	$ 1,297

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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