Quantum Corporation Quarterly report pursuant to Section 13 or 15(d)

STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Tables)

3 Months Ended

Jun. 30, 2013

The following table summarizes share-based compensation (in thousands):

	Three Months Ended
	June 30, 2013		June 30, 2012
Share-based compensation:
Cost of revenue	$	528	$	571
Research and development		868		900
Sales and marketing		1,074		1,084
General and administrative		886		1,732
	$	3,356	$	4,287
Share-based compensation by type of award:
Stock options	$	232	$	959
Restricted stock		2,738		2,753
Stock purchase plan		386		575
	$	3,356	$	4,287

A summary of activity relating to our stock options follows (options and aggregate intrinsic value in thousands):

	Options		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding as of March 31, 2013	16,050		$	2.14
Exercised	(63	)		0.95
Forfeited	(62	)		1.49
Expired	(4	)		2.62
Outstanding as of June 30, 2013	15,921			2.15	1.70	2,023
Vested and expected to vest at June 30, 2013	15,863			2.15	1.68	2,022
Exercisable as of June 30, 2013	15,192			2.13	1.55	1,996

A summary of activity relating to our restricted stock follows (shares in thousands):

	Shares		Weighted-Average Grant Date Fair Value
Nonvested at March 31, 2013	9,887		$	2.43
Granted	315			1.32
Vested	(500	)		2.51
Forfeited	(203	)		2.41
Nonvested at June 30, 2013	9,499		$	2.39