10. Net Income Per Share Attributable to Cooper-Standard Holdings Inc.

Basic net income per share attributable to Cooper-Standard Holdings Inc. was computed using the two-class method by dividing net income attributable to Cooper-Standard Holdings Inc., after deducting dividends on the Company’s 7% cumulative participating convertible preferred stock (“7% preferred stock”), premium paid for redemption of 7% preferred stock and undistributed earnings allocated to participating securities, by the weighted average number of shares of common stock outstanding during the period excluding unvested restricted shares. The Company’s shares of 7% preferred stock outstanding are considered participating securities. Diluted net income per share attributable to Cooper-Standard Holdings Inc. was computed using the treasury stock method by dividing diluted net income available to Cooper-Standard Holdings Inc. by the weighted average number of shares of common stock outstanding, including the dilutive effect of common stock equivalents, using the average share price during the period. Diluted net income per share attributable to Cooper-Standard Holdings Inc. computed using the two-class method was antidilutive. A summary of information used to compute basic and diluted net income per share attributable to Cooper-Standard Holdings Inc. is shown below:


	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2013			2012			2013
Net income attributable to Cooper-Standard Holdings Inc.	$	11,624		$	20,596		$	112,727		$	68,729
Less: 7% Preferred stock dividends (paid or unpaid)		(1,699	)		(1,419	)		(5,087	)		(4,569	)
Less: Premium paid for redemption of 7% preferred stock		—			—			(974	)		—
Less: Undistributed earnings allocated to participating securities		(1,888	)		(4,033	)		(20,078	)		(13,101	)

Basic net income available to Cooper-Standard Holdings Inc. common stockholders	$	8,037		$	15,144		$	86,588		$	51,059
Increase in fair value of share-based awards	$	—		$	212		$	—		$	466

Diluted net income available to Cooper-Standard Holdings Inc. common stockholders	$	8,037		$	15,356		$	86,588		$	51,525

Basic weighted average shares of common stock outstanding		17,454,226			13,045,575			17,578,580			14,621,535
Dilutive effect of:
Restricted common stock		172,586			144,086			270,230			206,588
Restricted 7% preferred stock		19,181			—			47,833			19,949
Warrants		570,067			899,420			699,533			800,116
Options		77,707			162,878			111,023			139,655

Diluted weighted average shares of common stock outstanding		18,293,767			14,251,959			18,707,199			15,787,843

Basic net income per share attributable to Cooper-Standard Holdings Inc.	$	0.46		$	1.16		$	4.93		$	3.49

Diluted net income per share attributable to Cooper-Standard Holdings Inc.	$	0.44		$	1.08		$	4.63		$	3.26

The effect of certain common stock equivalents, including the 7% preferred stock and options, were excluded from the computation of weighted average diluted shares outstanding for the three and nine months ended September 30, 2012 and 2013, as inclusion would have been antidilutive. A summary of these shares of 7% preferred stock (as if converted) and options are shown below:


	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2013		2012		2013
Number of options		272,800		131,000		272,800		131,000
Exercise price	$	43.50-46.75	$	52.25-52.50	$	43.50-46.75	$	52.25-52.50
7% Preferred stock, as if converted		4,099,692		3,479,719		4,076,150		3,751,800
7% Preferred stock dividends, undistributed earnings and premium allocated to participating securities that would be added back in the diluted calculation	$	3,587	$	5,460	$	26,139	$	17,670