The following table sets forth the computation of basic and diluted net income attributable to Baidu, Inc. per share for Class A and Class B ordinary shares:


	For the nine months ended
	September 30, 2011				September 30, 2012
	Class A		Class B		Class A		Class A		Class B		Class B
	RMB		RMB		RMB		US$		RMB		US$
Earnings per share — basic:
Numerator
Allocation of net income attributable to Baidu, Inc.		3,559,218		1,025,749		5,932,166		943,891		1,706,237		271,486
Denominator
Weighted average ordinary shares outstanding		27,079,835		7,804,274		27,129,111		27,129,111		7,803,000		7,803,000

Denominator used for earnings per share		27,079,835		7,804,274		27,129,111		27,129,111		7,803,000		7,803,000
Earnings per share — basic		131.43		131.43		218.66		34.79		218.66		34.79

Earnings per share — diluted:
Numerator
Allocation of net income attributable to Baidu, Inc.		3,561,491		1,023,476		5,934,416		944,249		1,703,987		271,128
Reallocation of net income attributable to Baidu, Inc. as a result of conversion of Class B to Class A shares		1,023,476		—		1,703,987		271,128		—		—
Allocation of net income attributable to Baidu, Inc.		4,584,967		1,023,476		7,638,403		1,215,377		1,703,987		271,128
Denominator
Weighted average ordinary shares outstanding		27,079,835		7,804,274		27,129,111		27,129,111		7,803,000		7,803,000
Conversion of Class B to Class A ordinary shares		7,804,274		—		7,803,000		7,803,000		—		—
Share-based awards		77,471		—		46,130		46,130		—		—

Denominator used for earnings per share		34,961,580		7,804,274		34,978,241		34,978,241		7,803,000		7,803,000
Earnings per share — diluted		131.14		131.14		218.38		34.75		218.38		34.75

Earnings per ADS
Denominator used for earnings per ADS — basic		270,798,350				271,291,110		271,291,110
Denominator used for earnings per ADS — diluted		349,615,800				349,782,410		349,782,410
Earnings per ADS — basic		13.14				21.87		3.48

Earnings per ADS — diluted		13.11				21.84		3.48