Basic and diluted earnings (losses) per share for each of the years presented are calculated as follows:


	Year ended December 31,
	2015		2016			2017
	Ordinary shares		Ordinary shares			Class A ordinary shares			Class A ordinary shares			Class B ordinary shares			Class B ordinary shares
	RMB		RMB			RMB			US$			RMB			US$
Earnings (Losses) per share — basic
Numerator:
Net income (loss) attributable to Cheetah Mobile Inc.		176,347		(80,525	)		380,733			58,518			967,461			148,695
Accretion of redeemable noncontrolling interests		—		—			(3,799	)		(584	)		(9,652	)		(1,483	)
Net income (loss) attributable to Cheetah Mobile Inc. after accretion of redeemable noncontrolling interests		176,347		(80,525	)		376,934			57,934			957,809			147,212

*Denominator:*
Weighted average number of ordinary shares outstanding		1,372,863,321		1,387,254,551			393,753,299			393,753,299			1,000,550,027			1,000,550,027

Earnings (Losses) per share — basic		0.1285		(0.0580	)		0.9573			0.1471			0.9573			0.1471

Earnings (Losses) per share — diluted
Numerator:
Net income (loss) attributable to Cheetah Mobile Inc. after accretion of redeemable noncontrolling interests		176,347		(80,525	)		395,184			60,739			939,559			144,407
Reallocation of net income as a result of conversion of Class B into Class A ordinary shares		—		—			939,559			144,407			—			—

Net income (loss) attributable to ordinary shareholders		176,347		(80,525	)		1,334,743			205,146			939,559			144,407

*Denominator:*
Weighted average ordinary shares outstanding		1,372,863,321		1,387,254,551			393,753,299			393,753,299			1,000,550,027			1,000,550,027
Dilutive effect of Restricted Shares		21,284,316		—			909,584			909,584			2,652,927			2,652,927
Dilutive effect of restricted shares with an option feature		32,663,302		—			27,289,001			27,289,001			—			—
Conversion of Class B into Class A ordinary shares		—		—			1,003,202,954			1,003,202,954			—			—

Denominator used for earnings (losses) per share		1,426,810,939		1,387,254,551			1,425,154,838			1,425,154,838			1,003,202,954			1,003,202,954

Earnings (losses) per share — diluted		0.1236		(0.0580	)		0.9366			0.1439			0.9366			0.1439

Earnings (Losses) per ADS:
Denominator used for earnings (losses) per ADS — basic		137,286,332		138,725,455			39,375,330			39,375,330
Denominator used for earnings (losses) per ADS — diluted		142,681,094		138,725,455			142,515,484			142,515,484
Earnings (Losses) per ADS — basic		1.2845		(0.5805	)		9.5728			1.4713

Earnings (Losses) per ADS — diluted		1.2360		(0.5805	)		9.3656			1.4395