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CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY ¥ in Thousands, $ in Thousands | Cheetah Class A Ordinary shares shares | Cheetah Class B Ordinary shares shares | Class A Ordinary shares Common Stock USD ($) shares | Class A Ordinary shares Common Stock CNY (¥) shares | Class A Ordinary shares shares | Class B Ordinary shares Common Stock USD ($) shares | Class B Ordinary shares Common Stock CNY (¥) shares | Class B Ordinary shares shares | Common Stock CNY (¥) shares | Additional Paid-in Capital USD ($) | Additional Paid-in Capital CNY (¥) | Accumulated other comprehensive income USD ($) | Accumulated other comprehensive income CNY (¥) | Retained Earnings, Unappropriated USD ($) | Retained Earnings, Unappropriated CNY (¥) | Total shareholders' equity USD ($) | Total shareholders' equity CNY (¥) | Noncontrolling interest USD ($) | Noncontrolling interest CNY (¥) | USD ($) | CNY (¥)
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Balance at Dec. 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 150 |  | ¥ 28,802 |  | ¥ (1,603) |  | ¥ 12,801 |  | ¥ 40,150 |  |  |  | ¥ 40,150
Balance (in shares) at Dec. 31, 2012 | shares | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 900,551,482 |  |  |  |  |  |  |  |  |  |  |  |
Changes in shareholders' equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 62,018 |  | 62,018 |  |  |  | 62,018
Other comprehensive (loss) income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,842 |  |  |  | 14,842 |  |  |  | 14,842
Share-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 35,117 |  |  |  |  |  | 35,117 |  |  |  | 35,117
Balance at Dec. 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 150 |  | 63,919 |  | 13,239 |  | 74,819 |  | 152,127 |  |  |  | 152,127
Balance (in shares) at Dec. 31, 2013 | shares | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 900,551,482 |  |  |  |  |  |  |  |  |  |  |  |
Changes in shareholders' equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 67,941 |  | 67,941 |  | ¥ (1,030) |  | 66,911
Other comprehensive (loss) income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (9,866) |  |  |  | (9,866) |  | (96) |  | (9,962)
Distribution to shareholders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (30,775) |  |  |  |  |  | (30,775) |  |  |  | (30,775)
Issuance of ordinary shares |  |  |  |  |  | ¥ 27 |  |  |  |  |  |  |  |  |  | 1,409,150 |  |  |  |  |  | 1,409,177 |  |  |  | 1,409,177
Issuance of ordinary shares (in shares) | shares |  |  |  | 173,714,285 |  | 173,714,285 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise and vesting of share-based awards |  |  |  |  |  | ¥ 8 |  |  |  |  | ¥ 2 |  |  |  |  | 44,939 |  |  |  |  |  | 44,949 |  |  |  | 44,949
Exercise and vesting of share-based awards (shares) | shares |  |  |  | 41,331,627 |  | 41,331,627 |  |  | 15,000,000 |  | 15,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Re-designation of ordinary shares to Class B ordinary shares |  |  |  |  |  |  |  |  |  |  | ¥ 150 |  |  | ¥ (150) |  |  |  |  |  |  |  |  |  |  |  |
Re-designation of ordinary shares to Class B ordinary shares (Shares) | shares |  |  |  |  |  |  |  |  | 900,551,482 |  | 900,551,482 |  |  | (900,551,482) |  |  |  |  |  |  |  |  |  |  |  |
Reclassification of ordinary shares from mezzanine equity to Class B ordinary shares |  |  |  |  |  |  |  |  |  |  | ¥ 35 |  |  |  |  | 441,906 |  |  |  |  |  | 441,941 |  |  |  | 441,941
Reclassification of ordinary shares from mezzanine equity to Class B ordinary shares (shares) | shares |  |  |  |  |  |  |  |  | 224,905,170 |  | 224,905,170 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Class B ordinary shares to Class A ordinary shares by shareholders |  |  |  |  |  | ¥ 7 |  |  |  |  | ¥ (7) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Class B ordinary shares to Class A ordinary shares by shareholders (shares) | shares |  |  |  | 45,000,000 |  | 45,000,000 |  |  | (45,000,000) |  | (45,000,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 129,171 |  |  |  |  |  | 129,171 |  | 17 |  | 129,188
Share of reserves of an equity investee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,013 |  |  |  |  |  | 1,013 |  |  |  | 1,013
Noncontrolling interest in connection with business combination |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 71,550 |  | 71,550
Capital Contribution From Noncontrolling Interest Shareholders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 660 |  |  |  |  |  | 660 |  | 6,090 |  | 6,750
Balance at Dec. 31, 2014 |  |  |  |  |  | ¥ 42 |  |  |  |  | ¥ 180 |  |  |  |  | 2,059,983 |  | 3,373 |  | 142,760 |  | 2,206,338 |  | 76,531 |  | 2,282,869
Balance (in shares) at Dec. 31, 2014 | shares |  | 350,398,737 | 1,035,037,339 | 260,045,912 | [2] | 260,045,912 | [2] | 260,045,912 | 1,095,456,652 |  | 1,095,456,652 |  | 1,095,456,652 |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in shareholders' equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares deemed issued | shares |  | 365,961,759 | 1,058,514,152 |  |  |  |  | 288,988,560 |  |  |  |  | 1,127,614,152 |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 176,596 |  | 176,596 |  | (5,318) | $ 26,440 | 171,278
Other comprehensive (loss) income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 120,422 |  |  |  | 120,422 |  | 470 | 18,663 | 120,892
Exercise and vesting of share-based awards |  |  |  |  |  | ¥ 2 |  |  |  |  | ¥ 1 |  |  |  |  | 3,954 |  |  |  |  |  | 3,957 |  |  |  | 3,957
Exercise and vesting of share-based awards (shares) | shares |  |  |  | 14,527,696 |  | 14,527,696 |  |  | 8,680,687 |  | 8,680,687 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of ordinary shares for business acquisition (note 3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,309 |  |  |  |  |  | 23,309 |  |  |  | 23,309
Issuance of ordinary shares for business acquisition (note 3) (in shares) | shares |  |  |  | 2,173,039 |  | 2,173,039 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of ordinary shares in relation to investment in an equity investee |  |  |  |  |  | ¥ 1 |  |  |  |  |  |  |  |  |  | 64,109 |  |  |  |  |  | 64,110 |  |  |  | 64,110
Issuance of ordinary shares in relation to investment in an equity investee (in shares) | shares |  |  |  | 4,552,090 |  | 4,552,090 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Class B ordinary shares to Class A ordinary shares by shareholders |  |  |  |  |  | ¥ 11 |  |  |  |  | ¥ (11) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Class B ordinary shares to Class A ordinary shares by shareholders (shares) | shares |  |  |  | 69,100,000 |  | 69,100,000 |  |  | (69,100,000) |  | (69,100,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 314,945 |  |  |  |  |  | 314,945 |  | 595 |  | 315,540
Share of reserves of an equity investee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 576 |  |  |  |  |  | 576 |  |  |  | 576
Noncontrolling interest in connection with business combination |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 62,224 |  | 62,224
Capital Contribution From Noncontrolling Interest Shareholders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,686 |  |  |  |  |  | 1,686 |  | 1,689 |  | 3,375
Balance at Dec. 31, 2015 |  |  |  | $ 9 |  | ¥ 56 |  |  | $ 26 |  | ¥ 170 |  |  |  | $ 381,080 | ¥ 2,468,562 | $ 19,111 | ¥ 123,795 | $ 49,299 | ¥ 319,356 | $ 449,525 | ¥ 2,911,939 | $ 21,024 | ¥ 136,191 | $ 470,549 | ¥ 3,048,130
Balance (in shares) at Dec. 31, 2015 | shares |  |  |  | 350,398,737 | [3] | 350,398,737 | [3] | 350,398,737 | 1,035,037,339 | [3] | 1,035,037,339 | [3] | 1,035,037,339 |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in shareholders' equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares deemed issued | shares |  |  |  |  |  |  |  | 365,961,759 |  |  |  |  | 1,058,514,152 |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | * As at January 1, 2013 and December 31, 2013, 100,000,000 ordinary shares under the 2011 Share Award Scheme not yet transferred to the grantees were deemed issued but not outstanding and excluded.
[2] | # As at December 31, 2014, 28,942,648 Class A ordinary shares were deemed issued but not outstanding and excluded, representing 11,511,873 and 14,999,000 Class A ordinary shares issued but not transferred to the grantees under the 2011 Share Award Scheme and the 2013 Incentive Scheme, respectively, and 2,431,775 Class A ordinary shares issued but not yet granted to employee beneficial owners in relation to the acquisition of the HK Zoom business (note 3); 32,157,500 Class B ordinary shares issued but not transferred to the grantees under the 2011 Share Award Scheme were deemed issued but not outstanding and excluded.
[3] | ** As at December 31, 2015, 15,563,022 Class A ordinary shares were deemed issued but not outstanding and excluded, representing 12,909,200 Class A ordinary shares issued but not transferred to the grantees under the 2013incentive Scheme, and 2,079,787 Class A ordinary shares issued but not transferred to employee beneficial owners in relation to the acquisition of the HK Zoom business (note 3); 574,035 Class A ordinary shares issued but not transferred to employee beneficial owners in relation to the investment in equity investee; 23,476,813 Class B ordinary shares issued but not transferred to the grantees under the 2011 Share Award Scheme were deemed issued but not outstanding and excluded.

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