Earnings Per Share

12 Months Ended

Dec. 31, 2012

EPS [Abstract]

EPS

15. Earnings Per Share

Basic EPS is based on the weighted-average number of DPL common shares outstanding during the year.  Diluted EPS is based on the weighted-average number of DPL common and common-equivalent shares outstanding during the year, except in periods where the inclusion of such common-equivalent shares is anti-dilutive.  Excluded from outstanding shares for these weighted-average computations are shares held by DP&L’s Master Trust Plan for deferred compensation and unreleased shares held by DPL’s ESOP.

The common-equivalent shares excluded from the calculation of diluted EPS, because they were anti-dilutive, were not material for the period January 1, 2011, through November 27, 2011 and the year ended December 31, 2010.  Effective with the Merger, DPL is an indirectly wholly-owned subsidiary of AES and earnings per share information is no longer required.

The following shows the reconciliation of the numerators and denominators of the basic and diluted EPS computations:

	January 1, 2011 through November 27, 2011						Year ended December 31, 2010
$ and shares in millions except per share amounts	Income		Shares		Per Share		Income		Shares		Per Share
Basic EPS	$	150.5		114.5		$ 1.31	$	290.3		115.6		$ 2.51
Effect of Dilutive Securities:
Warrants				0.4						0.3
Stock options, performance and restricted shares				0.2						0.2
Diluted EPS	$	150.5		115.1		$ 1.31	$	290.3		116.1		$ 2.50