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		6 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Stock-based compensation expenses:
Total stock based compensation expenses	$ 6,037	$ 2,128	$ 11,537	$ 3,064
Cost of revenue - Other
Stock-based compensation expenses:
Total stock based compensation expenses	304	148	567	212
Product development
Stock-based compensation expenses:
Total stock based compensation expenses	1,185	413	2,171	590
Marketing and sales
Stock-based compensation expenses:
Total stock based compensation expenses	2,738	1,079	5,668	1,502
General and administrative
Stock-based compensation expenses:
Total stock based compensation expenses	$ 1,810	$ 488	$ 3,131	$ 760

- 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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