A reconciliation of the numerators and denominators of the basic and diluted EPS calculations follows.


	Years Ended December 31,
(In millions, except per share data)	2013		2012		2011
Numerator:
Net income attributable to SLM Corporation	$	1,418	$	939	$	633
Preferred stock dividends		20		20		18

Net income attributable to SLM Corporation common stock	$	1,398	$	919	$	615

Denominator:
Weighted average shares used to compute basic EPS		440		476		517
Effect of dilutive securities:
Dilutive effect of stock options, non-vested deferred compensation and restricted stock, restricted stock units and Employee Stock Purchase Plan (“ESPP”)⁽¹⁾		9		7		6

Dilutive potential common shares⁽²⁾		9		7		6

Weighted average shares used to compute diluted EPS		449		483		523

Basic earnings (loss) per common share attributable to SLM Corporation:
Continuing operations	$	2.94	$	1.93	$	1.12
Discontinued operations		.24		—		.07

Total	$	3.18	$	1.93	$	1.19

Diluted earnings (loss) per common share attributable to SLM Corporation:
Continuing operations	$	2.89	$	1.90	$	1.11
Discontinued operations		.23		—		.07

Total	$	3.12	$	1.90	$	1.18

⁽¹⁾

Includes the potential dilutive effect of additional common shares that are issuable upon exercise of outstanding stock options, non-vested deferred compensation and restricted stock, restricted stock units, and the outstanding commitment to issue shares under the ESPP, determined by the treasury stock method.

⁽²⁾	For the years ended December 31, 2013, 2012 and 2011, securities covering approximately 3 million, 12 million and 16 million shares, respectively, were outstanding but not included in the computation of diluted earnings per share because they were anti-dilutive.