10.	Income Per Share Information

The calculations of basic and diluted income per share attributable to CBRE Group, Inc. shareholders are as follows (dollars in thousands, except share data):

	Three Months Ended
	March 31,
	2018		2017
			(As Adjusted) (1)
Basic Income Per Share
Net income attributable to CBRE Group, Inc. shareholders	$	150,288	$	137,020
Weighted average shares outstanding for basic income per share		338,890,098		336,907,836
Basic income per share attributable to CBRE Group, Inc. shareholders	$	0.44	$	0.41
Diluted Income Per Share
Net income attributable to CBRE Group, Inc. shareholders	$	150,288	$	137,020
Weighted average shares outstanding for basic income per share		338,890,098		336,907,836
Dilutive effect of contingently issuable shares		3,698,143		2,774,785
Dilutive effect of stock options		1,569		7,958
Weighted average shares outstanding for diluted income per share		342,589,810		339,690,579
Diluted income per share attributable to CBRE Group, Inc. shareholders	$	0.44	$	0.40

(1)	In the first quarter of 2018, we adopted new revenue recognition guidance. Certain restatements have been made to the 2017 financial statements to conform with the 2018 presentation. See Notes 2 and 3 for more information.

For the three months ended March 31, 2018 and 2017, 69,346 and 1,170,967, respectively, of contingently issuable shares were excluded from the computation of diluted income per share because their inclusion would have had an anti-dilutive effect.