7Baggers

Gravity Co., Ltd
(NASDAQ:GRVY) 

GRVY stock logo

Gravity Co., Ltd. develops, publishes, and distributes online games in South Korea, Japan, the United States, Canada, Taiwan, the Philippines, Thailand, Indonesia, Hong Kong, and internationally. It offers a massively multiplayer online role-playing game, including Ragnarok Online, Requiem, Dragonic...

Founded: 2000
Sector: Communication Services
Industry: Electronic Gaming & Multimedia

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Quarterly
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    Unit: USD2025-04-11 2025-03-31 2024-12-31 2024-04-12 2024-03-29 2023-12-31 2023-04-13 2022-12-31 2022-04-13 2021-12-31 2021-04-13 2020-12-31 2020-04-10 2019-12-31 2019-04-12 2018-12-31 2018-04-05 2017-12-31 2016-12-31 2015-12-31 2015-04-30 2015-03-31 2014-04-30 2014-03-31 2013-04-04 2013-03-27 2012-12-31 2012-04-27 2012-03-27 2011-12-31 2011-04-01 2011-03-01 2010-12-31 2010-04-01 2010-03-01 2009-12-31 2009-04-01 2008-12-31 2008-07-01 2008-04-01 2007-12-31 2007-04-03 2007-03-26 2006-12-31 2006-04-18 2005-12-31 2005-08-22 2005-05-12 2005-04-18 2005-03-29 2004-12-31 
                                                       
      revenues
     500,845,120,000   725,515,935,000                 17,339,523,031  26,257,395,408  40,104,850,485      38,979,077,887   43,945,590,171     33,685,656,151   34,687,370,367      58,223,490,000 58,223,490,000  
      online games
    76,989,131,000 76,989,131,000  81,017,362,000 81,017,362,000  89,256,406,000  75,370,395,000  89,545,060,000                                         
      mobile games
    405,675,976,000 405,675,976,000  629,604,084,000 629,604,084,000  358,771,544,000  320,163,555,000  298,323,908,000    239,488,896,000  82,624,332,000     704,961,958  544,160,209  1,511,693,503      1,604,976,232   1,665,848,278     880,535,004   545,935,048         
      other revenue
    18,180,013,000 18,180,013,000  14,894,489,000 14,894,489,000  15,589,922,000  18,404,024,000  18,084,053,000    7,827,918,000  6,326,370,000                                   
      cost of revenues
    306,903,066,000 306,903,066,000  484,958,333,000 484,958,333,000  267,365,143,000  224,172,902,000  239,044,923,000    210,043,556,000  94,234,263,000    15,385,861,000 15,385,860,543 30,924,396,000 20,046,866,670 20,303,476,000 20,303,476,269      12,127,470,519   13,775,721,404     13,745,645,176   11,977,826,826    3,688,000 3,519,000    
      gross profit
    193,942,054,000 193,942,054,000  240,557,602,000 240,557,602,000  196,252,729,000  189,765,072,000  166,908,098,000    76,726,869,000  47,389,218,000    1,953,662,000 1,953,662,488 11,513,559,000 6,210,528,738 19,801,374,000 19,801,374,216  31,083,576,000   30,869,739,000 26,851,607,368  30,169,869,000 30,169,868,767  26,039,168,000   19,940,010,975  22,709,544,000 22,709,543,541  35,062,582,000  9,769,000 12,286,000 49,560,720,000 49,560,720,000  
      yoy
    -19.38%    26.77%  17.58%    117.54%      2325.66%    -90.13% -90.13%  -80.02%    15.76%   2.32%            232365.39%  -29.25%       
      qoq
    0.00%   0.00%                 -0.00% -83.03% 85.39% -68.64% -0.00%      14.96%   0.00%        0.00%     -20.49% -99.98% 0.00%   
      selling, general and administrative expenses
    107,753,364,000 107,753,364,000  79,552,396,000 79,552,396,000  91,410,933,000  92,201,177,000  77,433,905,000    42,837,372,000  33,250,837,000                                   
      operating profit
    86,188,690,000 86,188,690,000  161,005,206,000 161,005,206,000  104,841,796,000  97,563,895,000  89,474,193,000    33,889,497,000  14,138,381,000                                   
      yoy
    -46.47%    65.03%  17.18%    164.02%                                         
      qoq
    0.00%   0.00%                                                
      non-operating income and expenses
     20,158,344,000   7,693,403,000                                               
      finance income
    30,888,989,000   23,266,528,000   15,953,466,000  5,268,535,000  1,265,740,000    825,982,000  594,574,000                                   
      finance costs
    -9,925,670,000   -14,934,727,000   -10,779,361,000  -2,686,170,000  -637,083,000    -92,202,000  -209,969,000                                   
      other non-operating income
    788,898,000 788,898,000  913,359,000 913,359,000  605,316,000  606,731,000  2,867,922,000    1,369,819,000  1,444,954,000                                   
      other non-operating expenses
    -1,593,873,000 -1,593,873,000  -1,551,757,000 -1,551,757,000  -739,440,000  -1,452,459,000  -4,959,662,000    -1,553,598,000  -1,509,826,000                                   
      profit before income tax expense
    106,347,034,000 106,347,034,000  168,698,609,000 168,698,609,000  109,881,777,000  99,300,532,000  88,011,110,000    34,439,498,000  14,458,114,000                                   
      income tax expense
    21,444,826,000 21,444,826,000  36,716,548,000 36,716,548,000  26,824,189,000  33,420,741,000  25,455,435,000    3,053,167,000  1,144,177,000     7,457,526,176  5,779,204,666 3,821,375,000 3,821,374,801  -6,654,347,000 -6,784,248,240   3,643,606,019   3,987,122,451     2,855,225,720  11,189,503,000 11,189,502,676  -641,576,000    3,328,303,000 3,328,303,000  
      profit for the year
    84,902,208,000 84,902,208,000  131,982,061,000 131,982,061,000  83,057,588,000  65,879,791,000  62,555,675,000                                         
      profit attributable to:
                                                       
      owners of the parent company
    84,919,277,000 84,919,277,000  132,019,054,000 132,019,054,000  83,161,723,000  65,946,650,000  62,703,088,000    31,442,803,000  13,319,047,000                                   
      non-controlling interests
    -17,069,000 -17,069,000  -36,993,000 -36,993,000  -104,135,000  -66,859,000  -147,413,000    -56,472,000  -5,110,000                                   
      other comprehensive income
     19,849,638,000   1,566,080,000                                               
      items that are or may be reclassified subsequently to profit or loss
    19,825,684,000                                                   
      foreign currency translation adjustments
    19,768,017,000 19,768,017,000  1,558,944,000 1,536,445,000  285,034,000  3,273,897,000  -1,319,071,000    178,112,000  37,087,000                                   
      non-controlling interest in foreign currency translation adjustment
    57,667,000                                                   
      items that will not be reclassified to profit or loss
    23,954,000                                                   
      remeasurement of defined benefit liabilities
    15,999,000 15,999,000  7,136,000 4,415,000  -3,659,000  -2,761,000                                           
      non-controlling interest in remeasurement of defined benefit liabilities
    7,955,000                                                   
      total comprehensive income for the year
    104,751,846,000 104,751,846,000  133,548,141,000 133,548,141,000  83,338,963,000  69,150,927,000  61,236,604,000                                         
      total comprehensive income attributable to:
                                                       
      earnings per share attributable to the equity holders of the parent company
                                                       
      basic earnings per share
    12,221 12,221  18,999 18,999  11,968  9,490  9,023    4,525  1,917                                   
      diluted earnings per share
    12,221 12,221  18,999 18,999  11,968  9,490  9,023    4,525  1,917                                   
      financial income
     30,888,989,000   23,266,528,000                                               
      financial costs
     -9,925,670,000   -14,934,727,000                                               
      items that may be subsequently reclassified to profit or loss
     19,825,684,000   1,558,944,000                                               
      non-controlling interest of foreign currency translation adjustments
     57,667,000   22,499,000                                               
      items that will never be reclassified to profit or loss
     23,954,000   7,136,000                                               
      non-controlling interest of remeasurement of defined benefit liabilities
     7,955,000   2,721,000                                               
      online games – subscription revenue
                                                       
      online games – royalties and license fees
                  13,555,827,000  16,244,377,000                                   
      items that may be subsequently reclassified to income or loss
                                                       
      selling and administrative expenses
                        10,953,787,000 10,953,786,670 20,241,905,000 14,163,089,167 19,601,087,000 19,601,087,280  21,643,123,000   22,757,622,000 20,413,673,595  18,399,549,000 18,399,548,729  18,647,985,000     32,622,630,000   36,944,086,000    15,996,807,000 15,996,807,000  
      operating income
                         9,000,124,182  -7,952,560,429 200,287,000 200,286,936  9,440,453,000 8,462,252,055  8,112,117,000 6,437,933,773  11,770,320,000 11,770,320,038  7,391,183,000   -10,020,381,637  9,913,087,000 -9,913,086,777  -1,881,504,000  3,135,000 7,919,000 33,563,913,000 33,563,913,000  
      non-operating income
                         1,894,337,555  2,243,247,967  4,493,589,205   5,309,227,888   5,271,354,957   5,927,326,029     5,829,785,205   10,869,118,699         
      interest income
                        1,077,732,000 1,077,731,762 1,526,498,000 1,380,337,408 1,570,695,000 1,570,694,695  1,882,262,000 1,647,257,622  1,835,557,000 1,827,577,650  2,272,866,000 2,272,865,689  2,641,999,000   3,150,414,100  3,131,453,000 3,131,453,251  2,886,500,000  786,000 450,000 502,813,000 502,813,000  
      gain on foreign currency translation
                        78,584,000 78,583,779 22,694,000 19,784,229 31,569,000 31,568,664   91,506,040   72,583,082   82,328,259        56,019,645         
      gain on foreign currency transactions
                        237,037,000  509,829,000  406,127,000                           
      gain on valuation of equity-method investments
                        4,317,000 4,316,588   1,709,804,000 1,709,803,616   1,868,880,955   1,447,646,144   1,635,795,318     2,074,015,672            
      gain on disposal of equity-method investments
                        122,705,000       311,085,000                        
      gain on disposal of property and equipment
                        4,875,000 4,874,645 1,483,000 1,482,680 7,188,000 7,188,410  1,559,000   3,518,000                     
      other income
                        369,088,000 369,087,858 230,647,000 376,404,091 768,206,000 768,207,050  219,589,000 326,992,326  528,394,000 520,021,326  150,200,000 83,662,368  169,422,000     757,198,000          
      non-operating expenses
                         5,466,520,116  6,466,176,203  15,170,902,774   5,784,155,742   3,930,525,247   10,628,026,861     20,513,150,733   8,144,673,589         
      other bad debt expenses
                          2,087,153,000  2,067,280,000   1,841,810,000            185,000,000   1,138,428,710         
      loss on foreign currency translation
                        260,698,000 260,698,377 207,760,000 205,682,412 395,764,000 395,764,469   59,690,130   374,878,274   660,693,918     13,672,542   576,735,629         
      loss on foreign currency transactions
                        193,904,000  741,851,000  764,070,000                           
      loss on valuation of equity-method investments
                        5,004,999,000 5,004,999,290 1,369,896,000 2,102,172,982 4,180,479,000 4,180,478,516   2,006,445,548   1,933,240,210   1,978,966,085     3,081,867,856            
      loss on impairment of equity-method investments
                          70,793,000  6,732,617,000                           
      loss on disposal of long-term available-for-sale securities
                          67,835,000 67,834,609                            
      loss on disposal of property and equipment
                        21,000       1,276,000   24,153,000   6,724,000 5,363,445  55,852,000   51,787,451  29,341,000   277,486,000       
      loss on impairment of intangible assets
                          1,741,855,000 1,344,119,878 291,094,000 291,094,431  798,958,000 798,957,970  475,425,000 475,425,016  39,013,000 39,013,338  1,807,484,000     1,487,985,000          
      other losses
                        6,898,000 6,897,243 21,646,000 10,774,628  1,311  8,527,000 7,513,817  1,256,000 236,892  26,934,000 26,932,799  3,880,000     181,520,000          
      income before income taxes
                               8,080,516,000   8,892,146,000   7,069,619,000   4,394,260,000            33,317,403,000 33,317,403,000  
      net income
                         20,029,832,919  -17,954,693,331  -14,298,401,434   14,771,572,441   4,135,157,464   3,082,496,755     -27,558,972,885   -18,378,144,343    1,942,000 6,487,000 29,989,100,000 29,989,100,000  
      yoy
                         -240.08%                     -946451.41%         
      qoq
                                                  -70.06% -99.98% 0.00%   
      loss per share
                                                       
      basic loss per share
                                                       
      online games-subscription revenue
                         3,319,956,905  2,446,493,355  5,437,988,285      3,932,515,964   4,774,859,839     6,393,088,491   5,642,837,873         
      online games-royalties and license fees
                         13,095,522,110  22,060,067,331  30,485,995,147      32,780,080,049   35,878,263,413     25,152,804,069   26,481,630,832         
      character merchandising, animation and other revenue
                         219,082,058  1,206,674,513  2,669,173,550      661,505,642   1,626,618,641     1,259,228,587   2,016,966,614         
      cost of revenues-games
                         15,385,860,543  20,046,866,670  20,303,476,269      12,127,470,519   13,628,960,604     13,720,824,301   11,923,063,281         
      salaries
                         3,500,423,472  4,906,162,523  5,778,272,364      6,677,513,840   6,165,967,337     6,088,721,313   6,948,970,450         
      severance benefits
                         374,430,415  382,561,480  409,454,270      439,958,710   408,170,090     565,812,980   586,102,898         
      employee benefits
                         654,394,148  821,735,973  977,961,165      1,088,989,424   1,155,476,756     1,326,852,481   1,155,933,296         
      transportation
                         136,341,995  174,133,984  337,661,961      603,959,335   588,052,694     522,199,100            
      entertainment
                         24,158,510  37,689,239  57,963,948      84,509,603   64,179,570     184,371,486            
      communication
                         78,013,415  87,572,827  82,971,839      77,052,847   69,423,714     106,498,760            
      taxes and dues
                         186,401,020  263,962,950  289,822,610      290,223,183   299,444,860     445,017,240   960,268,450         
      depreciation
                         124,160,648  140,906,865  161,664,102      404,612,306   732,966,378     1,045,752,752   829,694,178         
      rent
                         530,588,891  743,624,537  929,417,181      1,057,166,187   1,007,730,710     2,239,652,665   2,157,061,175         
      insurance premium
                         111,967,002  141,256,213  156,260,760      184,850,922   223,839,119     274,412,427   275,389,022         
      vehicles maintenance
                         3,806,000  4,399,000  3,207,100      7,238,000   7,362,250     28,957,900            
      freight expenses
                         2,358,063  1,767,053  3,297,250   7,474,203   6,297,000   5,492,632     9,344,763   11,650,256         
      repairs expenses
                         4,803,273  4,818,000  3,807,600   1,299,100   2,978,683   6,449,210     7,436,982   6,630,999         
      training expenses
                         920,000  1,920,000  11,380,001   19,008,828   16,624,360   5,033,246     25,939,849   34,777,762         
      books & subscription
                         4,018,160  7,325,563  17,334,461   22,851,612   25,485,557   41,487,297     78,177,155            
      office supplies
                         23,062,935  29,446,553  36,121,300   66,783,838   39,401,408   68,763,624     106,953,475   201,208,787         
      commission paid
                         2,547,340,990  2,784,967,695  3,298,959,172   4,007,934,541   2,320,110,532   3,749,041,358     4,029,912,578   4,985,288,245         
      advertising
                         172,393,007  526,740,024  4,124,411,894   2,793,249,998   1,560,434,876   1,022,867,621     6,123,787,462            
      research and development
                         2,137,844,423  2,798,864,229  2,692,107,705   1,738,494,088   4,623,793,266   1,781,797,670     6,095,858,117       2,638,000 946,000    
      bad debt
                         248,472,921  87,960,093  5,901,168   81,274,844   444,469,729   359,149,891     35,927,140            
      amortization on intangible assets
                         87,887,382  215,274,366  223,109,429   323,848,187   458,003,827   621,967,986     534,677,182   553,538,969         
      gain on foreign exchange transactions
                         237,037,481  465,239,559  406,126,770  1,141,868,000 999,554,915  1,116,929,000 1,065,168,878  1,786,137,000 1,786,136,646  3,929,581,000   374,325,059  160,480,000 160,480,199  464,723,000    324,389,000 324,389,000  
      gain on disposal of securities under equity method
                         122,705,442                              
      other bad debt
                           2,087,151,736  2,067,279,776   1,841,809,822                       
      loss on foreign exchange transactions
                         193,904,370  577,647,108  764,069,778  894,783,000 823,549,189  638,044,000 595,005,002  1,455,376,000 1,455,376,096  417,354,000   141,004,511  465,824,000 465,823,823  1,044,836,000    896,805,000 896,805,000  
      loss on impairment of securities under equity method
                           70,792,850  6,732,616,544   235,827,637                       
      loss on disposal of tangible assets
                         20,836                              
      loss before income tax
                         12,572,306,743  -12,175,488,665                  7,188,642,000 -7,188,641,667         
      loss per share*
                                                       
      basic and diluted
                         2,882  -2,584                            
      non-operating income - sum
                          2,291,151,000                             
      loss on disposal of equity-method investments
                            333,389,000   235,828,000                        
      loss on impairment of long-term available-for-sale securities
                             399,404,898      451,739,853   4,784,890,314                 
      loss on disposal of intangible assets
                            924,000 923,838                          
      non-operating expenses - sum
                          6,308,789,000                             
      income tax expenses
                          5,238,348,000        3,857,700,000   3,987,122,000   3,473,320,000          822,000 793,000    
      net loss attributable to owners of the parent
                                                       
      per share data for parent interest
                                                       
      number of shares
                          6,948,900     6,948,900                        
      loss on disposal of securities under equity method
                             333,389,213                          
      loss on disposal of other non-current assets
                            5,880,000 5,880,000                          
      loss on impairment of long-term abailable-for-sale securities
                            399,405,000                           
      loss on disposal of short-term available-for-sale securities
                               125,000 124,629                       
      donation
                               10,237,000   100,000,000                     
      profit before income taxes
                            -10,477,026,000                           
      gain on disposal of other non-current assets
                                                       
      donations
                                10,237,000   100,000,000           5,890,000      3,000,000 3,000,000  
      income before income tax
                             -10,477,026,633   7,987,324,201   7,778,763,483   7,069,619,206     -24,703,747,165     -4,092,701,000       
      earnings per share*
                                                       
      basic and diluted
                             -2,058   2,126   595   444            70     
      cost of sales
                               16,542,642,000   14,439,345,000   13,775,721,000   15,943,744,000     11,977,827,000   14,196,825,000    8,662,770,000 8,662,770,000  
      gain on foreign exchange translation
                               100,966,000   74,524,000   82,328,000   453,241,000     56,020,000   62,544,000    2,690,000 2,690,000  
      gain on valuation of equity method investments
                               891,628,000   1,447,646,000   1,635,795,000   1,168,261,000     569,600,000          
      gain on disposal of available-for-sale securities
                                  334,715,000                     
      gain on valuation of available-for-sale securities
                                  125,000                     
      interest expenses
                                  74,380,000                     
      loss on foreign exchange translation
                               110,904,000   375,230,000   660,694,000   473,369,000     576,736,000   84,490,000    143,702,000 143,702,000  
      loss on valuation of equity method investments
                               2,006,446,000   1,541,549,000   1,978,966,000   7,944,124,000     3,570,539,000          
      loss on impairment of available-for-sale securities
                                  451,740,000   4,784,890,000   657,364,000               
      loss on early repayment of debt
                                  770,000,000                     
      settlement loss on contractual relationship
                                  109,602,000                     
      current year’s net income of the acquired business prior to the acquisition
                                  946,406,000                     
      parent interest
                               14,697,498,000   4,189,232,000                     
      minority interest
                               37,365,000   -101,192,000                     
      short-term realized gain on sale of available-for-sale securities
                                                       
      short-term unrealized gain on available-for-sale securities
                                                       
      gain on disposition of property and equipment
                                1,559,092   3,518,248   3,662,749     2,451,596            
      gain on disposition of securities under equity method
                                311,084,673                       
      gain on disposition of other non-current assets
                                62,392,265                       
      items
                                                       
      cost of revenues-other
                                      146,760,800     24,820,875   54,763,545         
      compensation expenses associated with stock option
                                           84,128,805            
      realized gain on sale of available-for-sale securities
                                   334,715,000                    
      unrealized gain on available-for-sale securities
                                   124,629                    
      reversal of allowance for doubtful accounts
                                      62,875,000     17,774,357            
      unrealized loss on available-for-sale securities
                                      26,815,000                 
      loss on retirement of property and equipment
                                      1,360,666     6,450,339     76,327,000       
      litigation charges
                                      1,648,615,200     4,619,000,000            
      loss on valuation of available-for-sale securities
                                     26,815,000                  
      settlement cost of litigation
                                     1,648,615,000                  
      compensation expenses associated
                                                       
      with stock option
                                      14,884,716                 
      reversal of stock based compensation expense
                                                       
      interest expense
                                           72,765,193  14,350,000 14,350,846  77,356,000  -651,000 -881,000 1,213,000 1,213,000  
      other bad debts expense
                                                       
      loss on disposal of equity method investments
                                                       
      settlement cost of class action litigation
                                                       
      selling, general & administrative expenses
                                           29,960,392,612   32,622,630,318         
      utilities
                                              15,193,584         
      gain on foreign currency translations
                                           56,867,661            
      gain on disposition of other investments
                                           26,000,000            
      gain on disposal of investment in properties
                                                       
      [unit: krw]
                                                       
      gain on foreign currency forward contract transactions
                                             156,250,000 156,250,000  1,032,700,000       
      proceeds from the former chairman due to fraud
                                              4,947,492,054         
      miscellaneous income
                                           127,936,760   757,197,718  16,911,000       
      loss on disposition of equity method investments
                                           2,264,419,181            
      impairment loss on available-for-sale securities
                                           10,075,687,499            
      impairment losses on property and equipment
                                                       
      impairment losses on intangible assets
                                              1,487,985,221         
      loss on foreign currency forward contract transactions
                                             4,950,000 4,950,000  1,885,402,000       
      additional payment of income taxes
                                              99,656,449         
      miscellaneous losses
                                           1,496,161   75,973,946  19,215,000    6,676,000 6,676,000  
      earnings per share
                                           -3,966         5,405 5,405  
      gain on disposal of property and investment in real property
                                             1,090,626,000          
      receipts from former chairman
                                             4,947,492,000          
      other bad debt expense
                                             1,138,429,000          
      loss on impairment of property and equipment
                                             675,000,000          
      loss from breach of contract
                                                227,348,000       
      per share data
                                                       
      ordinary loss per share
                                                       
      transportation expenses
                                              637,958,559         
      entertainment expenses
                                              235,077,250         
      communication expenses
                                              104,674,066         
      vehicles maintenance expenses
                                              18,918,187         
      books & subscription expenses
                                              48,786,507         
      advertising expenses
                                              3,372,592,739    608,000 560,000    
      research and development expenses
                                              9,228,756,234         
      bad debt expenses
                                              122,409,815         
      stock option plan compensation costs
                                              131,748,890         
      gain on disposition of property, plant and equipment
                                              9,280,109         
      gain on disposal of asset held for sale
                                              1,081,346,160         
      earnings from equity method investments
                                              569,599,563  206,432,000       
      loss on equity method investments
                                              3,570,538,346         
      loss on disposal of property, plant and equipment
                                              29,340,619         
      loss on retirement of property, plant and equipment
                                                       
      impairment losses on property, plant and equipment
                                              675,000,000         
      loss on disposition of intangible assets
                                                       
      ordinary loss
                                              -7,188,641,667         
      extra ordinary gain
                                                       
      extraordinary losses
                                                       
      ordinary income per share:
                                                       
      fy 2006: krw
                                                       
      fy 2005: krw
                                                       
      earnings per share :
                                                       
      fy2006: krw
                                                       
      loss from equity method investments
                                                3,188,547,000       
      ordinary income per share
                                                    5,405 5,405  
      total net revenues
                                                  13,457,000 15,805,000    
      subscription revenues
                                                  2,691,000     
      royalties & license fees
                                                  9,602,000     
      mobile revenues
                                                  343,000     
      other revenues
                                                  821,000     
      operating expenses :
                                                  6,634,000     
      general and administrative
                                                  3,388,000 2,861,000    
      other income(expenses) :
                                                  -254,000     
      gain on foreign currency transaction
                                                  732,000 77,000    
      loss on foreign currency transaction
                                                  -1,121,000 -322,000    
      income before income tax expenses
                                                  2,881,000 7,243,000    
      income before minority interest & losses from equity method investee
                                                  2,059,000 6,450,000    
      equity in loss of related joint venture
                                                  -117,000 37,000    
      earnings per share
                                           -3,966         5,405 5,405  
      basic and diluted
                             -2,058   2,126   595   444            70     
      shares used in computation
                                                       
      basic and diluted
                                                   25,244,488    
      gain on disposal of property, plant and equipment
                                                    37,000 37,000  
      gain on disposal of intangible assets
                                                    9,030,000   
      gain on available-for-sale securities
                                                       
      gain from disposal of business unit
                                                       
      miscellaneous gains
                                                    66,041,000 66,041,000  
      loss on disposal of available-for-sale securities
                                                    1,331,000   
      losses from equity method investments
                                                    98,783,000 98,783,000  
      loss on impairment of investments
                                                       
      gain on disposition of intangible assets
                                                     9,030,000  
      gain on available-for-sales securities
                                                       
      loss on disposal of available-for-sales securities
                                                     1,331,000  
      loss on impairment of available-for-sales securities
                                                       
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-04-11 2024-12-31 2024-04-12 2024-03-29 2023-12-31 2023-04-13 2022-12-31 2021-04-13 2019-04-12 2018-12-31 2018-04-05 2018-03-30 2017-12-31 2016-12-31 2015-12-31 2015-04-30 2015-03-31 2014-04-30 2014-03-31 2013-04-04 2012-12-31 2012-04-27 2012-04-06 2012-03-27 2012-03-05 2011-12-31 2011-04-01 2011-03-01 2010-12-31 2010-04-01 2010-03-01 2009-12-31 2009-04-01 2008-12-31 2008-04-01 2007-12-31 2007-04-03 2007-04-01 2007-03-26 2006-12-31 2006-04-18 2006-04-03 2005-12-31 2005-08-22 2005-06-30 2005-05-12 2005-04-18 2005-03-29 2004-12-31 2004-04-18 
                                                        
        assets
                                                        
        current assets
         320,313,123,000        101,697,494,000     43,125,471,781  47,505,633,406     61,944,250,781       74,522,234,178    61,201,545,490    83,876,073,744            
        cash and cash equivalents
      228,898,026,000  184,081,815,000   169,877,341,000  110,632,482,000           23,402,391,895                         11,812,000 11,812,000 11,791,000 15,821,935,000 15,821,935,000  15,821,935,000 
        short-term financial instruments
      324,304,040,000 324,304,000,000 277,215,000,000  277,215,000,000 167,000,000,000 167,000,000,000 71,000,000,000 9,500,000,000 9,500,000,000 22,500,000,000  22,500,000,000 22,000,000,000 11,500,000,000 14,500,000,000  18,000,000,000 18,000,000,000 17,500,000,000 17,500,000,000 15,000,000,000 15,000,000,000   15,000,000,000 12,000,000,000  12,500,000,000 11,500,000,000  16,000,000,000 4,000,000,000 7,278,000,000  8,715,000,000 45,700,000,000 6,539,121,000  45,835,000,000 59,810,519,000 45,700,000,000 59,900,000,000 90,816,000 90,816,000 90,653,000 8,900,000,000 8,900,000,000 8,900,000,000 8,900,000,000 
        accounts receivable
      81,152,458,000 81,152,000,000 71,212,897,000  71,213,000,000 77,256,816,000 77,257,000,000 59,761,256,000      11,819,000,000 5,289,000,000    3,777,634,986  7,116,000,000     6,436,000,000   8,242,000,000   5,907,000,000  6,540,000,000  4,820,000,000    2,163,000,000   4,784,000,000 9,000,000 9,000,000 8,984,000 5,899,888,000 5,899,888,000 7,321,000,000 5,899,888,000 
        other receivables
      1,572,182,000 1,572,000,000 3,637,586,000  3,637,000,000 139,785,000 140,000,000 8,333,000 469,710,000 255,000,000 704,664,000  698,000,000   489,811,000                                   
        prepaid expenses
      8,115,292,000 8,115,000,000 2,993,884,000  2,994,000,000 3,332,317,000 3,332,000,000 2,237,708,000 618,219,000 2,516,000,000 2,753,700,000  3,027,000,000 1,011,000,000 982,000,000    304,317,584                            16,408,000 16,408,000  16,408,000 
        other current financial assets
      6,601,519,000 6,602,000,000 4,438,717,000  4,439,000,000 3,370,146,000 3,370,000,000 817,825,000                                           
        other current assets
      2,966,272,000 2,967,000,000 3,319,107,000  3,319,000,000 790,833,000 791,000,000 2,128,113,000 1,539,476,000 1,182,000,000 1,858,280,000  1,383,000,000 1,841,000,000 996,000,000 818,048,000  706,713,000  1,008,885,000 4,097,000,000 1,414,809,000 1,113,963,000   4,905,000,000 949,418,000  5,622,000,000 1,629,563,000  4,311,000,000 1,082,156,000 5,564,000,000  5,544,000,000 1,384,301,000 1,190,728,000  4,891,000,000 1,050,541,000 1,384,301,000 10,770,000,000 5,299,000 5,299,000 5,289,000   2,258,000,000  
        non-current assets
         56,133,360,000        9,720,122,000     16,984,379,227  35,940,889,480     56,759,120,403       26,444,523,461                    
        property and equipment
      9,957,086,000 9,957,000,000 10,150,750,000  10,151,000,000 8,140,129,000 8,140,000,000 7,695,046,000 882,089,000 1,498,000,000 476,027,000  946,000,000 593,000,000 882,000,000 474,923,000  651,535,000  1,007,536,000 3,524,000,000 1,510,385,000 1,261,672,000   2,731,000,000 1,163,382,000  2,672,000,000 1,453,968,000  2,837,000,000 2,778,127,000 5,226,000,000  7,195,000,000 5,219,076,000 4,246,307,000  8,472,000,000 7,856,327,000 5,219,076,000 11,863,000,000 15,669,000 15,669,000 15,641,000   14,951,000,000  
        intangible assets
      7,056,548,000 7,057,000,000 6,369,958,000  6,370,000,000 3,869,478,000 3,869,000,000 3,362,879,000 1,572,714,000 1,163,000,000 988,855,000  1,036,000,000   8,906,510,000  13,573,211,000 13,573,210,684 19,286,514,000  20,151,434,000 19,905,124,000    38,475,045,000   11,831,295,000  12,455,000,000 12,510,310,000 11,154,000,000  11,686,000,000 7,866,352,000 12,310,768,000  10,393,000,000 9,345,386,000 7,866,352,000 12,750,000,000    4,545,209,000 4,545,209,000  4,545,209,000 
        other non-current financial assets
      1,766,588,000 1,767,000,000 1,824,076,000  1,824,000,000 2,175,769,000 2,176,000,000 1,323,865,000 1,405,988,000 1,494,000,000 1,357,272,000  1,394,000,000                                      
        other non-current assets
      8,451,443,000 8,451,000,000 6,984,797,000  6,985,000,000 2,481,845,000 2,482,000,000 2,814,792,000 1,880,367,000 1,438,000,000 2,078,575,000  600,000,000 153,000,000 85,000,000 229,827,000  4,346,711,000 11,324,877,611 4,234,710,000 87,000,000 4,626,697,000 4,396,183,000   475,000,000 949,339,000  1,597,000,000 1,026,706,000  1,651,000,000 1,004,714,000 1,613,000,000  1,496,000,000 1,495,733,000 967,406,000  1,547,000,000 1,476,104,000 1,495,733,000 5,963,000,000 2,948,000 2,948,000 2,943,000   2,893,000,000  
        deferred tax assets
      5,617,488,000 5,617,000,000 5,952,134,000  5,952,000,000 5,659,521,000 5,660,000,000 3,590,069,000 7,413,106,000 7,413,000,000 3,036,165,000  3,036,000,000     5,728,000,000  8,905,000,000   8,747,000,000                            
        total assets
      686,458,942,000  578,180,721,000 376,446,483,000  444,093,980,000  265,372,368,000    111,417,616,000     60,109,851,008  83,446,522,886     118,703,371,184 118,703,000,000   105,853,000,000   100,966,757,639    95,348,692,155    121,083,388,955       142,959,000 58,048,385,000 58,048,385,000  58,048,385,000 
        notes
                                                        
        liabilities
                                                        
        current liabilities
         41,707,393,000        59,753,549,000     5,835,639,084  7,914,388,543     9,847,425,028       8,337,706,064    8,083,683,838    10,997,883,653            
        accounts payable
      67,929,911,000     73,549,144,000            2,747,370,000 2,747,370,416 4,094,503,000                        2,732,000 2,732,000 2,727,000 2,055,189,000 2,055,189,000  2,055,189,000 
        deferred revenue
      26,760,732,000 26,761,000,000 18,092,463,000  18,093,000,000 18,543,037,000 18,543,000,000 13,692,283,000 6,751,978,000 16,476,000,000 14,141,070,000  16,100,000,000 9,689,000,000 4,997,000,000      3,006,000,000     4,663,000,000   5,611,000,000   3,750,000,000                   
        withholdings
      1,587,759,000 1,588,000,000 3,072,036,000  3,072,000,000 3,201,011,000 3,201,000,000 2,851,636,000 1,240,957,000 2,019,000,000 1,348,968,000  1,439,000,000   109,907,000  131,308,000 131,308,618 148,737,000  253,788,000 210,685,000    214,928,000   153,308,000   146,756,000    164,444,000 221,075,000   1,166,721,000 164,444,000     28,070,000 28,070,000  28,070,000 
        accrued expenses
      2,651,426,000 2,651,000,000 2,313,022,000  2,313,000,000 2,040,357,000 2,041,000,000 1,364,753,000 564,621,000 1,031,000,000 343,690,000                                        
        income tax payable
      6,507,227,000 6,507,000,000 16,927,054,000  16,927,000,000 5,469,061,000 5,469,000,000 9,469,833,000 1,390,798,000 1,944,000,000 1,628,368,000  1,628,000,000   112,742,000  146,384,000 146,383,737 244,685,000  312,102,000 312,103,000    373,181,000   288,651,000   362,989,000 815,000,000   162,483,000 233,389,000   693,946,000 162,483,000 552,000,000        
        other current liabilities
      3,211,752,000 3,212,000,000 4,251,029,000  4,251,000,000 2,907,298,000 2,907,000,000 2,654,101,000 159,151,000 123,000,000 140,470,000  130,000,000 409,000,000 325,000,000      1,335,000,000     1,847,000,000   1,813,000,000   1,293,000,000  638,000,000  1,317,000,000    772,000,000   1,186,000,000 918,000 918,000 916,000   1,073,000,000  
        non-current liabilities
         3,977,710,000        6,630,636,000     5,535,434,654  6,725,211,896     7,531,044,348       9,842,151,958    10,471,639,071    6,235,588,685            
        long-term accounts payable
      220,108,000 220,000,000   677,000,000 373,989,000 374,000,000                                    135,000,000        
        long-term deferred revenue
      2,571,862,000 2,572,000,000 1,784,849,000  1,785,000,000 30,239,000 30,000,000 101,015,000 3,362,537,000 3,598,000,000 6,335,827,000  6,581,000,000 4,096,000,000 6,600,000,000      9,172,000,000     7,457,000,000   8,993,000,000                      
        other non-current liabilities
      5,361,025,000 5,361,000,000 3,174,635,000  3,175,000,000 4,968,325,000 4,968,000,000 3,800,649,000 305,853,000 503,000,000 294,809,000  560,000,000 210,000,000 210,000,000      247,000,000     267,000,000   389,000,000   172,000,000  165,000,000  262,000,000    638,000,000   908,000,000 2,009,000 2,009,000 2,006,000   7,000,000  
        deferred tax liabilities
      1,293,681,000 1,294,000,000 2,382,262,000  2,382,000,000 2,831,698,000 2,832,000,000                                            
        total liabilities
      118,095,483,000 118,096,000,000 114,452,759,000 45,685,103,000 114,453,000,000 113,914,159,000 113,914,000,000 88,024,352,000  97,622,000,000  66,384,185,000 71,885,000,000 25,096,000,000 15,737,000,000 11,371,074,000 11,371,073,738  14,639,600,439  20,477,000,000   17,378,469,376 17,378,000,000 22,219,000,000 25,184,912,000 18,857,000,000 27,078,000,000 18,179,858,000 18,179,858,022 18,828,000,000 16,416,775,000 19,327,000,000 18,555,322,909 21,383,000,000 17,233,473,000 18,555,323,000 17,233,472,338 24,419,000,000 21,611,544,000 17,233,473,000  17,359,000 17,359,000 17,328,000 10,752,194,000 10,752,194,000  10,752,194,000 
        equity
                                                        
        equity attributable to owners of the parent company
       567,672,000,000   463,087,000,000  329,527,000,000   76,158,000,000   44,560,000,000                                      
        share capital
      3,474,450,000 3,474,000,000 3,474,450,000 3,474,450,000 3,474,000,000 3,474,450,000 3,474,000,000   3,474,000,000  3,474,450,000 3,474,000,000                                      
        capital surplus
      26,979,361,000 26,979,000,000 27,098,264,000 27,482,683,000 27,098,000,000 27,098,264,000 27,098,000,000  27,482,683,000 27,141,000,000 27,482,683,000 27,482,683,000 27,164,000,000      75,380,209,013                                
        other components of equity
      23,800,551,000 23,801,000,000 4,016,535,000  4,016,000,000 2,475,675,000 2,475,000,000  -270,936,000 138,000,000 -348,479,000 -348,479,000 -40,000,000                                      
        retained earnings
      513,417,859,000 513,418,000,000 428,498,582,000 299,804,247,000 428,499,000,000 296,479,528,000 296,480,000,000  47,101,922,000 45,405,000,000 14,424,777,000 14,424,777,000 13,962,000,000      -11,419,602,518  7,699,000,000   20,833,492,247  19,923,000,000   4,995,000,000  1,926,762,342 1,265,000,000   -2,076,674,908 -2,879,000,000 25,482,297,000  25,482,297,977 20,322,000,000 43,860,442,000 25,482,297,000 42,587,000,000    42,512,806,000 42,512,806,000 42,117,000,000 42,512,806,000 
        non-controlling interest
      691,238,000 691,000,000 640,131,000  641,000,000 651,904,000 653,000,000   -606,000,000   -562,000,000 -562,000,000 -491,000,000      509,000,000     8,825,000,000   10,996,000,000   214,000,000                   
        total equity
      568,363,459,000 568,363,000,000 463,727,962,000 330,761,380,000 463,728,000,000 330,179,821,000 330,180,000,000  77,788,119,000 75,552,000,000 45,033,431,000 45,033,431,000 43,998,000,000 30,094,000,000 29,992,000,000 48,738,777,000 48,738,777,270 68,806,923,000 68,806,922,447  90,078,000,000     110,659,000,000   98,412,000,000   83,610,000,000                   
        total liabilities and equity
      686,458,942,000  578,180,721,000   444,093,980,000             83,446,522,886                                
        total current assets
       653,610,000,000   546,899,000,000  421,767,000,000   160,168,000,000   108,871,000,000 53,391,000,000 43,676,000,000 43,125,471,000  47,505,633,000  55,717,624,000 67,929,000,000 70,648,460,000 61,944,250,000   71,833,000,000 67,214,313,000  76,343,000,000 74,522,234,000  82,899,000,000 62,479,847,000 72,550,000,000  72,667,000,000 83,876,074,000 61,201,545,000  88,203,000,000 99,200,415,000 83,876,074,000  119,370,000 119,370,000 120,137,000 32,731,880,000 32,731,880,000  32,731,880,000 
        total non-current assets
       32,849,000,000   31,282,000,000  22,327,000,000   13,006,000,000   7,012,000,000   16,984,380,000                                   
        total current liabilities
       108,649,000,000   106,434,000,000  105,710,000,000   93,521,000,000   64,744,000,000 20,686,000,000 8,804,000,000 5,835,639,000  7,914,388,000  8,611,856,000 10,375,000,000 11,091,264,000 9,847,425,000   12,062,000,000 12,943,711,000  14,065,000,000 8,337,706,000  8,248,000,000 6,366,735,000 8,397,000,000  10,112,000,000 10,997,884,000 8,083,684,000  16,192,000,000 18,265,145,000 10,997,884,000  10,572,000 10,572,000 10,553,000 8,041,062,000 8,041,062,000  8,041,062,000 
        total non-current liabilities
       9,447,000,000   8,019,000,000  8,204,000,000   4,101,000,000   7,141,000,000   5,535,435,000                                   
        account payables
        61,777,889,000     52,687,616,000                                           
        long-term account payables
        677,520,000     1,402,466,000                                           
        • quick assets
         320,313,123,000        101,697,494,000            61,944,250,781       74,480,138,801    61,156,844,543    83,858,591,722            
        • investment asset
         35,451,234,000        1,783,228,000            21,072,545,640       10,948,571,804    14,444,810,113    24,121,887,716            
        • property and equipment
         4,179,602,000                                               
        • intangible asset
         5,989,596,000        988,855,000            19,905,123,988       11,831,295,901    12,310,767,578    7,866,351,440            
        • other non-current asset
         5,279,592,000        6,472,012,000            14,519,778,706       2,210,688,019                    
        revenues
         242,775,498,000        119,422,554,000     17,339,523,031       40,224,258,623 40,224,000,000      43,945,590,171    33,685,656,151    34,687,370,367            
        operating income
         70,755,035,000                    8,462,252,055 8,462,000,000      11,770,320,038    -10,020,381,637    -9,913,086,777            
        net income before income tax
         92,062,740,000                                               
        net income
         70,169,563,000                    14,771,572,441 14,772,000,000      3,082,496,755    -27,558,972,885    -18,378,144,343            
        share premium
                                                        
        accounts receivables
              24,659,595,000 60,664,000,000 38,890,644,000  42,168,000,000                                      
        investments in subsidiaries
              9,464,638,000  1,783,228,000                                        
        non-current assets - sum
              22,618,902,000                                          
        non-current liabilities - sum
              3,668,390,000                                          
        common shares
                                                        
        accounts payables
                                                        
        • tangible asset
                 476,027,000            1,261,672,069       1,453,967,737    4,246,307,112    5,219,076,055            
        operating profit
                 13,675,573,000                                       
        profit before income tax
                 13,922,239,000                                       
        net profit
                 12,982,487,000                                       
        accrued expense
                  1,037,000,000 555,000,000 511,000,000      919,000,000             547,000,000                 
        current assets:
                                                        
        leasehold and other deposits
                   962,000,000 954,000,000      5,767,000,000     5,924,000,000   1,711,000,000   1,496,000,000  1,501,000,000  2,412,000,000    2,719,000,000   3,402,000,000 4,246,000 4,246,000 4,238,000   4,192,000,000  
        other intangible assets
                   91,000,000 132,000,000    166,359,439  3,020,000,000     15,750,000,000   20,140,000,000                      
        liabilities and equity
                                                        
        current liabilities:
                                                        
        accrued severance benefits
                   104,000,000 123,000,000      683,000,000     916,000,000 459,514,000  1,031,000,000   478,000,000  926,000,000  715,000,000 124,169,000 224,774,000  649,000,000  124,169,000 588,000,000 1,022,000 1,022,000 1,020,000 817,038,000 817,038,000 960,000,000 817,038,000 
        commitments and contingencies
                                                        
        parent company shareholders’ equity:
                                                        
        preferred shares, w500 par value, 2,000,000 shares authorized, and no shares issued and outstanding at december 31, 2015 and 2016
                                                        
        common shares, w500 par value, 38,000,000 shares authorized, and 6,948,900 shares issued and outstanding at december 31, 2015 and 2016
                   3,474,000,000                                     
        additional paid-in capital
                   75,076,000,000 75,076,000,000  63,960,606,495  73,255,072,627  75,395,000,000   75,380,209,013  75,395,000,000   75,395,000,000  74,935,002,691 75,395,000,000  75,247,000,000 73,851,580,153 75,126,000,000   73,255,072,627 74,694,000,000   74,902,000,000      2,180,000,000  
        accumulated deficit
                   -48,511,000,000 -48,761,000,000                   -5,652,000,000                 
        accumulated other comprehensive income
                   617,000,000 694,000,000      3,001,000,000     3,042,000,000   3,552,000,000   3,262,000,000  3,402,000,000         -201,000,000      -141,000,000  
        total parent company shareholders’ equity
                   30,656,000,000 30,483,000,000      89,569,000,000     101,834,000,000   87,416,000,000   83,396,000,000                   
        capitalized software development cost
                          17,387,000,000     18,936,000,000   13,700,000,000                      
        goodwill
                          3,863,000,000     7,477,000,000   7,991,000,000     1,451,000,000  1,451,000,000    1,451,000,000   1,451,000,000        
        preferred shares, w500 par value, 2,000,000 shares authorized, and no shares issued and outstanding at december 31, 2014 and 2015
                                                        
        common shares, w500 par value, 38,000,000 shares authorized, and 6,948,900 shares issued and outstanding at december 31, 2014 and 2015
                    3,474,000,000                                    
        trade receivables
                     2,621,893,000                                   
        short-term loans receivable
                     6,667,000  32,778,000  55,000,000  926,233,000 926,233,000    1,972,473,000                        
        advanced payments
                     17,756,000       2,823,335,000                            
        current portion of deferred tax assets
                       366,000,000     1,239,000,000                            
        prepaid income taxes
                     576,092,000  694,559,000 694,558,607 963,145,000  897,447,000 897,447,000    1,014,031,000   1,227,228,000   1,296,107,000    1,215,753,000 1,330,561,000   1,140,848,000 1,215,753,000     479,292,000 479,292,000  479,292,000 
        non-current assets:
                                                        
        equity-method investments
                     6,463,350,000  10,377,516,000  11,811,903,000   19,996,357,000                            
        long-term loans receivable
                     2,222,000  13,750,000  1,199,278,000  29,722,000 29,722,000    53,333,000   20,555,000   988,001,000    906,926,000 1,240,598,000   198,429,000 906,926,000         
        leasehold deposits paid
                     907,548,000  1,250,167,000  1,374,232,000                               
        liabilities and shareholders’ equity
                                                        
        advance receipts
                     1,550,367,000                                   
        deferred income
                     2,380,805,000   2,968,959,784 2,203,565,000  3,329,629,000 3,134,985,000    1,859,668,000   3,037,021,000   2,724,061,000 3,286,000,000  3,639,000,000 5,753,474,000 3,134,229,000  6,046,000,000 4,859,340,000 5,753,474,000 5,233,000,000 5,370,000 5,370,000 5,360,000 3,887,694,000 3,887,694,000 4,392,000,000 3,887,694,000 
        non-current liabilities:
                                                        
        long-term deferred income
                     5,207,345,000  6,475,232,000 6,475,232,037 8,495,438,000  7,350,855,000 7,287,820,000    8,890,095,000   9,679,062,000  9,658,000,000 9,900,522,000 9,839,000,000  10,245,000,000 6,111,420,000 10,147,865,000  5,863,000,000 3,211,656,000 6,111,420,000 2,994,000,000    1,894,094,000 1,894,094,000 1,918,000,000 1,894,094,000 
        asset retirement obligations
                     210,290,000       99,000,000                            
        leasehold deposits received
                     117,800,000  150,980,000  154,488,000   144,224,000                            
        shareholders’ equity:
                                                        
        capital stock
                              3,474,000,000   3,474,000,000                       
        common stock
                     3,474,450,000 3,474,450,000  3,474,450,000     3,474,450,000       3,474,450,000    3,474,450,000  3,474,450,000  3,474,450,000  3,474,450,000 3,474,450,000     2,774,450,000 2,774,450,000  2,774,450,000 
        paid in capital in excess of par value
                     61,835,470,000  73,255,073,000  73,255,073,000                 73,255,073,000    73,255,073,000 73,255,073,000     2,117,831,000 2,117,831,000  2,117,831,000 
        other capital surplus
                     2,125,136,000  2,125,136,000 2,125,136,386 2,125,136,000                               
        accumulated other comprehensive income and expenses
                                                        
        accumulated other comprehensive income of equity method investment
                     1,528,484,000                                   
        accumulated other comprehensive expense of equity method investment
                                                        
        undisposed accumulated deficit
                                                        
        total liabilities and shareholders’ equity
                                                    58,048,385,000 58,048,385,000  58,048,385,000 
        · quick assets
                      43,125,471,781                                  
        · investment asset
                      6,465,572,045                                  
        · tangible asset
                      474,922,737                                  
        · intangible asset
                      8,906,509,785                                  
        · other non-current asset
                      1,137,374,660                                  
        accumulated other comprehensive income and loss
                      1,333,553,694  1,371,865,952                                
        income before income tax
                             7,987,324,201 7,988,000,000      7,069,619,206    -24,703,747,165    -7,188,641,667            
        trade accounts receivable
                       3,759,344,000  4,636,583,000  8,125,213,000 7,512,653,000    8,489,500,000   6,327,483,000   6,148,368,000    1,560,559,000 3,938,788,000   4,284,507,000 1,560,559,000         
        other accounts receivable
                       230,569,000 565,553,353 250,811,000  698,195,000 691,055,000    294,254,000   162,358,000   487,294,000    1,249,675,000 343,715,000   4,847,293,000 1,249,675,000     155,525,000 155,525,000  155,525,000 
        advance payments
                       313,278,000 1,813,278,112 1,591,969,000                 893,309,000 2,066,907,000   1,436,450,000 893,309,000     713,177,000 713,177,000  713,177,000 
        long-term available-for-sale securities
                         647,061,000  1,046,466,000 1,046,466,000    1,066,787,000                        
        advanced receipt
                       1,920,366,000  1,920,366,000                               
        short-term deferred income
                       2,968,960,000                                 
        asset retirement obligatoins
                       99,000,000  99,000,000                               
        accumulated comprehensive income of equity method investees
                       1,532,202,000  1,484,906,000                               
        accumulated comprehensive loss of equity method investees
                         -51,580,000                               
        unappropriated retained earnings
                        -11,419,602,518 6,535,091,000                               
        quick assets
                        47,505,633,406                                
        allowance for doubtful accounts
                        -18,290,031                                
        short-term loans
                        893,273,661                             121,599,000   
        accrued income
                        359,668,942                            70,341,000 70,341,000  70,341,000 
        current deferred tax assets
                        366,000,000 633,000,000  1,411,334,000     746,425,000                        
        refund of income taxes receivable
                        157,878,054                                
        investment assets
                        10,391,266,236                                
        equity method investments
                        10,377,516,269  647,000,000 11,761,213,000    1,444,000,000 9,573,646,000  1,336,000,000 9,409,490,000  1,100,000,000 9,454,346,000    8,326,501,000 12,526,527,000   8,704,825,000 8,326,501,000     1,670,672,000 1,670,672,000  1,670,672,000 
        long-term loans
                        3,931,904,135                             45,666,000   
        tangible assets
                        651,534,949                                
        computer and equipment
                        6,454,419,316                                
        accumulated depreciation
                        -5,819,516,561                                
        vehicles
                        28,110,738                                
        furniture and fixtures
                        843,767,187                                
        leasehold improvements
                        745,967,319                                
        capitalized r&d cost
                        12,542,369,221                                
        software
                        864,482,024                                
        leasehold deposits
                        1,250,166,550                                
        long-term prepaid expenses
                        48,666,664                                
        non-current deferred tax assets
                        5,728,000,000   9,125,990,000                             
        advances received
                        1,920,365,988   1,920,366,000     5,055,896,000   1,885,837,000   68,747,000    48,379,000 31,172,000    48,379,000         
        asset retirement obligation
                        99,000,000   99,000,000     99,000,000   99,000,000   99,000,000     99,000,000             
        leasehold deposit received
                        150,979,859   97,629,000     67,935,000   64,090,000   50,518,000    65,000,000 40,920,000   65,000,000 65,000,000     2,000,000,000 2,000,000,000 2,000,000,000 2,000,000,000 
        net accumulated comprehensive income of equity method investees
                        1,532,202,141                                
        net accumulated comprehensive loss of equity method investees
                        -160,336,189                                
        shareholders’ equity
                                                        
        total shareholders’ equity
                         86,823,076,000    101,324,901,808 101,325,000,000   86,996,000,000   82,786,899,617   76,471,000,000 76,793,369,246 75,476,000,000 103,849,916,000  103,849,916,617 98,113,000,000 121,971,119,000 103,849,916,000  124,874,000 124,874,000 125,631,000 47,296,191,000 47,296,191,000  47,296,191,000 
        current portion of deferred income tax assets
                          2,761,000,000     3,062,000,000   857,000,000   375,000,000                   
        deferred income tax assets
                          8,331,000,000     8,308,000,000                     2,964,271,000 2,964,271,000  2,964,271,000 
        deferred income tax liabilities
                               1,517,000,000   2,600,000,000   272,000,000    49,000,000    1,077,000,000           
        preferred shares, ₩500 par value, 2,000,000 shares authorized, and no shares issued and outstanding at december 31, 2011 and 2012
                                                        
        common shares, ₩500 par value, 38,000,000 shares authorized, and 6,948,900 shares issued and outstanding at december 31, 2011 and 2012
                          3,474,000,000                              
        short-term available-for-sale securities
                                5,000,125,000   4,973,185,000                     
        advances payments
                           2,876,946,000     1,718,935,000   1,034,496,000   1,587,956,000                  
        long-term financial instruments
                                5,000,000                        
        guarantee deposits
                           1,376,596,000 1,376,596,000    1,358,720,000   1,183,983,000   1,176,550,000    2,639,355,000 2,177,855,000   2,701,608,000 2,639,355,000     3,915,510,000 3,915,510,000  3,915,510,000 
        non-current deferred tax liabilities
                                2,724,657,000                        
        advance received
                            1,920,366,000                  344,200,000      70,109,000 70,109,000  70,109,000 
        • inventories
                                    42,095,377    44,700,947    17,482,022            
        capital adjustment
                                    445,206,322    1,597,604,250    1,638,096,013            
        accumulated other comprehensive income and expense
                             1,636,750,548       2,005,478,262                    
        short-term available-for-sale investments
                                  5,000,000,000   4,973,000,000                   
        preferred shares, (won)500 par value, 2,000,000 shares authorized, and no shares issued and outstanding at december 31, 2010 and 2011
                                                        
        common shares, (won)500 par value, 38,000,000 shares authorized, and 6,948,900 shares issued and outstanding at december 31, 2010 and 2011
                               3,474,000,000                         
        preferred shares, w500 par value, 2,000,000 shares authorized, and no shares issued and outstanding at december 31, 2009 and 2010
                                                        
        common shares, w500 par value, 38,000,000 shares authorized, and 6,948,900 shares issued and outstanding at december 31, 2009 and 2010
                                  3,474,000,000                      
        available-for-sale securities
                                   1,518,526,000   6,074,336,000    10,753,372,000 677,685,000    10,753,372,000         
        deferred revenue tax assets
                                                        
        current portion of deferred income tax liabilities
                                                        
        preferred shares, w500 par value, 2,000,000 shares authorized, and no shares issued and outstanding at december 31, 2008 and 2009
                                                        
        common shares, w500 par value, 38,000,000 shares authorized, and 6,948,900 shares issued and outstanding at december 31, 2008 and 2009
                                     3,474,000,000                   
        investments
                                       2,440,000,000  20,000,000    9,776,000,000           
        current deferred income tax liabilities
                                       18,000,000  583,000,000               
        minority interest
                                       137,000,000  68,000,000    29,000,000   22,000,000        
        preferred shares, w500 par value, 2,000,000 shares authorized, and no shares issued and outstanding at december 31, 2007 and 2008, respectively
                                                        
        common shares, w500 par value, 38,000,000 shares authorized, and 6,948,900 shares issued and outstanding as of december 31, 2007 and 2008, respectively
                                       3,474,000,000                 
        fixed assets
                                        34,147,146,665    37,207,315,211            
        accrued litigation liabilities
                                                        
        preferred shares, w500 par value, 2,000,000 shares authorized, and no shares issued and outstanding at december 31, 2006 and 2007, respectively
                                                        
        common shares, w500 par value, 38,000,000 shares authorized, and 6,948,900 shares issued and outstanding as of december 31, 2006 and 2007, respectively
                                         3,474,000,000               
        accumulated other comprehensive loss
                                         -245,000,000    -377,000,000           
        current deferred income tax assets
                                              1,831,495,000   2,443,000 2,443,000 3,420,000     
        non-current deferred income tax assets
                                              6,000,432,000          
        investments in real properties
                                              8,099,137,000          
        other long-term accounts payable
                                              134,743,000          
        capital adjustments
                                          1,638,096,000    1,381,154,000 1,638,096,000         
        assets held for sale
                                                8,099,000,000        
        accrued litigation
                                             4,648,000,000           
        tax withholdings
                                             174,000,000   1,198,000,000        
        preferred shares, w500 par value, 2,000,000 shares authorized, and no shares issued and outstanding at december 31, 2005 and 2006, respectively
                                                        
        common shares, w500 par value, 38,000,000 shares authorized, and 6,948,900 shares issued and outstanding as of december 31, 2005 and 2006, respectively
                                             3,474,000,000           
        due from former chairman
                                                        
        deferred expenses
                                                1,000,000        
        misappropriated funds receivable
                                                        
        current portion of long-term debt
                                                 803,000 803,000 802,000   1,278,000,000  
        current assets :
                                                        
        totalassets
                                                 142,233,000 142,233,000      
        liabilities&shareholders’ equity
                                                        
        accrued interest
                                                 263,000 263,000 263,000     
        income taxes payable
                                                 486,000 486,000      
        long term deferred income
                                                 3,756,000 3,756,000 3,749,000     
        total liabilities&shareholders’ equity
                                                 142,233,000 142,233,000      
        liabilities & shareholders’ equity
                                                        
        current liabilities :
                                                        
        income taxes payble
                                                   485,000     
        total liabilities & shareholders’ equity
                                                   142,959,000     
        available for-sale securities
                                                    496,313,000   496,313,000 
        short-term receivable
                                                    121,599,000   121,599,000 
        inventories
                                                    57,402,000 57,402,000  57,402,000 
        long-term receivable
                                                    45,666,000   45,666,000 
        other investments
                                                    926,033,000 926,033,000  926,033,000 
        property, plant and equipment
                                                    11,249,144,000 11,249,144,000  11,249,144,000 
        capital lease liabilities
                                                        
        losses on valuation of available-for-sale securities
                                                    -3,687,000   -3,687,000 
        gains on valuation of equity method investments
                                                        
        losses on valuation of equity method investments
                                                    -114,309,000 -114,309,000  -114,309,000 
        stock options
                                                    9,100,000 9,100,000  9,100,000 
        marketable securities
                                                     496,313,000   
        losses on valuation of available-for-sales securities
                                                     -3,687,000   
        deferred expense
                                                      2,530,000,000  
        current deferred income tax asset
                                                      2,684,000,000  
        long-term debt
                                                        
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-04-11 2025-03-31 2024-04-12 2024-03-29 2023-04-13 2021-04-13 2019-04-12 2018-04-05 2018-03-30 2015-04-30 2015-03-31 2014-04-30 2014-03-31 2013-04-04 2013-03-27 2012-04-27 2012-04-06 2011-04-01 2010-04-01 2009-04-01 2008-04-01 2007-04-03 2006-04-18 2005-04-18 
                                
          cash flows from operating activities
         78,555,174,000  132,429,737,000       -2,834,681,650  -2,169,269,828  5,575,999,596          
          profit for the year
        84,902,208,000 84,902,208,000 131,982,061,000 131,982,061,000 83,057,588,000 62,555,675,000   13,313,937,000                
          adjustments
        14,492,995,000 14,492,995,000 36,164,732,000 36,164,732,000 31,362,848,000 32,132,238,000 6,558,769,000 2,392,360,000 1,997,679,000                
          changes in operating assets and liabilities
        -3,821,168,000 -3,821,168,000 -17,915,061,000 -17,915,061,000 10,254,125,000 -12,952,425,000 -19,018,839,000 11,274,302,000 12,877,744,000                
          interest received
        15,053,915,000 15,053,915,000 10,434,574,000 10,434,574,000 3,032,676,000 1,122,471,000 1,161,390,000 539,635,000 554,362,000                
          interest paid
        -130,027,000 -130,027,000 -156,631,000 -156,631,000 -121,724,000 -185,742,000                   
          income taxes paid
        -31,942,749,000  -28,079,938,000  -29,306,861,000 -12,815,314,000                   
          net cash from operating activities
        78,555,174,000  132,429,737,000  98,278,652,000 69,856,903,000            6,831,718,000 15,965,002,000 11,369,538,000 -10,553,698,000 1,740,375,000 13,354,565,000 31,015,268,000 
          capital expenditures
        -613,947,000  -2,461,226,000  -739,413,000 -1,071,379,000            -515,930,000 -233,317,000 -907,527,000 -1,841,870,000 -1,559,281,000 -6,915,082,000 
          free cash flows
        77,941,227,000  129,968,511,000  97,539,239,000 68,785,524,000            6,315,788,000 15,731,685,000 10,462,011,000 -12,395,568,000 181,094,000 6,439,483,000 31,015,268,000 
          cash flows from investing activities
         -47,034,392,000  -116,579,700,000       3,527,493,774  -3,506,569,386  -8,238,332,931          
          decrease in other current financial asset
        6,667,000  3,079,000  5,099,000                    
          proceeds from disposal of property and equipment
        6,673,000 6,673,000 21,024,000 21,024,000 14,609,000 3,039,000      2,772,000  7,201,000  1,859,000 17,694,000 25,640,000 21,241,000 65,485,000 109,216,000    
          decrease in other non-current financial assets
        8,496,000 8,496,000    22,479,000 3,772,670,000 7,014,000 7,014,000                
          increase in short-term financial instruments
        -42,264,550,000 -42,264,550,000 -110,179,175,000 -110,179,175,000 -19,000,000,000 -31,500,000,000  -1,000,000,000 -500,000,000  41,500,000,000  40,000,000,000 -32,500,000,000 32,500,000,000  -25,000,000,000 -500,000,000 -7,500,000,000      
          purchase of property and equipment
        -613,947,000 -613,947,000 -2,461,226,000 -2,461,226,000 -739,413,000 -1,071,379,000                   
          purchase of intangible assets
        -4,147,357,000 -4,147,357,000 -3,337,218,000 -3,337,218,000 -2,055,632,000 -2,624,540,000                   
          increase in other non-current financial assets
        -30,374,000 -30,374,000 -626,184,000 -626,184,000 -564,908,000 -879,063,000  -660,667,000 -430,117,000                
          net cash from investing activities
        -47,034,392,000  -116,579,700,000  -22,340,445,000 -36,049,464,000    3,527,493,000    -8,238,333,000  -3,147,966,000 -3,081,605,000 -19,881,451,000 -16,175,047,000 -9,283,297,000 24,432,026,000 5,333,340,000 -76,214,980,000 -20,153,038,000 
          cash flows from financing activities
         -4,641,636,000  -4,083,272,000                     
          repayment of lease liabilities
        -4,525,288,000 -4,525,288,000 -4,083,272,000 -4,083,272,000 -3,917,977,000 -2,892,567,000                   
          cost of issuing shares of subsidiaries
        -16,009,000                        
          acquisition of non-controlling interests
        -100,339,000                        
          net cash from financing activities
        -4,641,636,000  -4,083,272,000  -3,917,977,000 -2,547,245,000                 71,837,242,000 -103,694,000 
          effects of exchange rate changes on cash and cash equivalents
        17,937,065,000 17,937,065,000 2,437,709,000 2,437,709,000 -1,247,832,000 -55,691,000 27,459,000 -596,309,000 -778,698,000                
          net increase in cash and cash equivalents
        44,816,211,000 44,816,211,000 14,204,474,000 14,204,474,000 70,772,398,000 31,204,503,000 11,608,668,000 20,994,941,000 22,375,544,000 692,812,000      4,269,131,000  -12,638,769,000 -210,045,000 2,086,241,000 13,919,248,000 7,073,715,000 8,976,827,000 10,758,536,000 
          cash and cash equivalents at beginning of the year
        184,081,815,000 184,081,815,000 169,877,341,000 169,877,341,000 99,104,943,000 79,427,979,000 34,990,206,000 13,995,265,000 16,719,672,000                
          cash and cash equivalents at end of the year
        228,898,026,000 228,898,026,000 184,081,815,000 184,081,815,000 169,877,341,000 110,632,482,000                   
          cash flows generated from operating activities
         95,574,035,000  150,231,732,000                     
          income tax paid
         -31,942,749,000  -28,079,938,000   -7,133,795,000 -2,437,390,000 -2,607,286,000                
          cash inflow from investment activities
         21,836,000  24,103,000                     
          decrease in other current financial assets
         6,667,000  3,079,000                     
          cash outflow from investment activities
         -47,056,228,000  -116,603,803,000                     
          cash inflow from financing activities
                                
          cash outflow from financing activities
         -4,641,636,000  -4,083,272,000                     
          expense on subsidiaries share issuance
         -16,009,000                       
          acquisition of non-controlling interest
         -100,339,000                       
          cash generated from operations
                                
          net cash inflow from operating activities
              14,244,670,000 24,751,394,000 26,136,436,000                
          increase in short‑term financial instruments
                                
          net cash outflow in investing activities
                                
          net cash outflow in financing activities
                                
          effect of exchange rate changes on cash and cash equivalents
                                
          increase in other current financial assets
            -200,000                    
          increase in other current assets
                                
          proceeds from disposal of intangible assets
                        5,856,000       110,280,000 
          proceeds from capital contribution from non-controlling interests
             361,976,000                   
          payment of share issuance costs
                                
          increase in net short‑term financial instruments
                                
          proceeds from disposal of other intangible assets
                                
          payment of share issuance
             -16,654,000                   
          decrease(increase) in short‑term financial instruments
                                
          decrease(increase) in other non-current financial assets
                                
          decrease(increase) in other current assets
                                
          net cash inflow(outflow) in investing activities
                                
          payment of share issuance cost
                                
          proceeds from lease deposits
                                
          payment of lease deposits
                                
          purchase of other intangible assets
                                
          decrease in short term financial instruments
              13,000,000,000                  
          decrease in other current assets
              3,333,000 3,333,000 3,333,000 38,055,000        63,671,000 -143,085,000 7,710,000     
          disposal of property and equipment
              68,285,000 1,656,000 1,656,000 10,805,000               
          disposal of intangible assets
              2,434,000 13,063,000                 
          acquisition of subsidiaries
              -18,261,560,000                  
          acquisition of property and equipment
              -797,791,000 -383,267,000 -899,011,000     -259,351,000  -1,212,340,000 -976,542,000 -515,930,000 -233,317,000 -907,527,000 -1,841,870,000 -1,559,281,000 -6,915,082,000  
          acquisition of intangible assets
              -450,832,000 -1,141,276,000 -1,165,069,000     -3,617,255,000  -4,955,003,000 -4,747,761,000 -5,853,518,000 -2,880,130,000 -5,301,109,000 -6,352,678,000 -2,186,949,000 -7,434,265,000 -3,406,134,000 
          net cash outflows from investing activities
              -2,663,461,000 -3,160,144,000 -2,982,194,000                
          net cash inflow from financing activities
                                
          decrease in short‑term financial instruments
                                
          net cash from from investing activities
                                
          net increase(decrease) in cash and cash equivalents
                                
          proceeds from short-term loans
                                
          net cash inflow (outflow) from financing activities
                                
          cash and cash equivalents at end of the year in the statements of financial position
                39,095,216,000                
          net cash inflow (outflow) in financing activities
                                
          net income
                      -14,298,401,434         29,989,100,000 
          adjustments to reconcile net income to net cash from operating activities
                                
          depreciation and amortization
                                
          allowance for accounts receivable and other receivables
                                
          impairment loss on intangible assets and goodwill
                                
          impairment loss on property plant & equipment
                                
          provision (reversal) for accrued severance benefits
                                
          gain on foreign currency transactions
                                
          gain on disposition of property and equipment
                                
          others
                            76,000,000 -9,281,000 -2,448,000  
          changes in operating assets and liabilities:
                                
          accounts receivable
                                
          other assets
                                
          accounts payable
                            -199,867,000 -6,391,250,000 8,369,892,000  
          accrued expenses
                                
          deferred revenue
                            -3,769,608,000    
          income tax payable
                                
          deferred income taxes
                                
          payment of severance benefits
                              -2,207,787,000 -125,624,000 
          other liabilities
                                
          decrease in short-term financial instruments
                             14,110,519,000   
          decrease in short-term loans receivables
                                
          decrease (increase) in leasehold deposits
                                
          repayment of borrowings
                                
          net decrease in cash and cash equivalents
                     -2,662,333,000   -2,539,645,000        
          cash and cash equivalents
                                
          beginning of the year
                 23,402,392,000  29,078,231,000  31,740,564,000  35,029,152,000 34,280,209,000 47,667,921,000 47,877,966,000 45,791,725,000     
          end of the year
                                
          impairment losses on property plant & equipment
                                
          equity loss on investments
                                
          gain on disposition of intangible assets
                                
          proceeds from disposal of equity method investments
                            68,421,000    
          increase in capitalized software development costs
                                
          disposal of other non-current assets
                                
          depreciation
                 411,252,000 411,252,533 478,006,000 478,006,082  490,034,669 762,102,000 654,397,000 767,104,000 1,533,173,000 2,267,624,000 2,748,637,000 3,093,007,000 3,309,422,000 1,855,692,000 
          amortization of intangible assets
                 4,743,950,000  5,988,101,000  5,179,798,000  603,173,000 736,987,000 2,706,109,000 3,606,575,000 3,761,907,000 2,294,798,000 2,269,521,000 2,522,463,000 857,015,000 
          bad debt expenses
                 248,473,000  87,960,000  5,901,000   81,275,000        
          other bad debt expenses
                   2,087,152,000  2,067,280,000   1,841,810,000        
          loss on foreign currency translation
                 16,688,000 16,688,140 87,022,000 87,021,872  152,637,758          
          loss on valuation of equity-method investments
                 5,004,999,000 5,004,999,290 2,102,173,000 2,102,172,982 4,180,479,000 4,180,478,516 2,006,446,000 2,006,446,000        
          loss on impairment of equity-method investments
                   70,793,000  6,732,617,000  235,828,000 235,828,000        
          loss on disposal of long-term available-for-sale securities
                   67,835,000 67,834,609            
          loss on disposal of property and equipment
                 21,000      1,276,000   6,724,000 55,852,000 58,238,000    
          loss on impairment of intangible assets
                    1,344,119,878  291,094,431 798,958,000 798,958,000 475,425,000 39,013,000 1,807,484,000  1,487,985,000   
          gain on foreign currency translation
                  78,583,779  19,784,229  31,568,664          
          gain on valuation of equity-method investments
                  4,316,588   -1,709,804,000 1,709,803,616 -891,628,000 -1,868,881,000        
          gain on disposal of property and equipment
                  4,874,645  1,482,680 -7,188,000 7,188,410 -1,559,000 -1,559,000 -3,518,000 -3,663,000 -13,252,000 -2,452,000    
          gain on disposal of equity-method investments
                       -311,085,000 -311,085,000        
          decrease in trade receivables
                 147,395,000               
          increase in other receivables
                                
          decrease (increase) in accrued income
                 72,208,000               
          decrease in advanced payments
                 264,761,000               
          decrease (increase) in prepaid expenses
                                
          decrease in current portion of deferred tax assets
                 366,000,000 366,000,000 267,000,000 267,000,000 606,000,000 606,000,000          
          decrease in prepaid income taxes
                 118,467,000 118,466,804 268,586,000 268,586,688 -65,699,000 -65,698,687 114,158,000 114,158,000  -106,367,000 34,454,000    140,086,000 
          increase in long-term prepaid expenses
                  -181,770,000     -230,243,000 -204,781,000 -240,252,000 -157,730,000 -82,335,000     
          decrease in deferred tax assets
                 5,796,000,000  3,177,000,000             
          decrease (increase) in other non-current assets
                 4,269,654,000               
          decrease in accounts payable
                  -1,063,079,211  -383,466,305 -1,044,783,000 -1,044,782,763    -710,911,000 -1,604,645,000     
          decrease in withholdings
                  -21,401,359  -17,428,481     -90,081,000       
          decrease in deferred income
                  -1,388,119,127  -215,300,056 -1,638,873,000 -1,638,872,574          
          decrease in income tax payable
                  -33,642,231  -98,301,551  -67,417,206          
          decrease in long-term deferred income
                  -467,922,353              
          decrease in leasehold deposits received
                  -33,180,370              
          decrease in advanced receipts
                                
          decrease in asset retirement obligation
                                
          cash flows from investing activities:
                                
          collection of short-term loans receivable
                 36,250,000 36,250,032 870,694,000 870,694,331 176,250,000 176,249,892  319,750,000        
          disposal of equity-method investments
                 1,000               
          disposal of long-term available-for-sale securities
                                
          collection of long-term loans receivable
                 1,389,000 1,388,908 23,056,000 23,055,558 12,778,000 12,777,772  15,278,000   1,459,522,000     
          decrease in leasehold deposits
                 342,619,000 342,618,550 124,065,000 124,065,260 2,634,000 2,634,000 8,274,000         
          increase in short-term loans receivable
                  216,490,000  800,000,000    -125,514,000 -1,534,544,000       
          acquisition of equity-method investments
                        -374,015,000        
          increase in long-term loans receivable
                    858,000,000 -2,965,600,000 2,965,600,000  -70,000,000 -120,000,000 -40,000,000 -345,001,000     
          cash flows from financing activities:
                                
          net loss
                  -20,029,832,919  -17,954,693,331            
          addition of expenses not involving cash outflows
                  10,425,383,477  12,313,160,868  19,839,438,456          
          amortization on intangible assets
                  4,743,949,757  5,988,100,766  5,179,797,645          
          bad debt
                  248,472,921  87,960,093  5,901,168          
          other bad debt
                    2,087,151,736  2,067,279,776          
          loss on impairment of securities under equity method
                    70,792,850  6,732,616,544          
          loss on disposal of tangible assets
                  20,836           29,341,000 277,486,000  
          deduction of revenues not involving cash inflows
                  -210,480,454  -21,266,909  -1,748,560,690          
          gain on disposal of securities under equity method
                  122,705,442              
          changes in assets and liabilities arising from operating activities
                  6,980,248,246  3,493,529,544  1,783,523,264          
          decrease in trade accounts receivable
                  147,395,030 780,689,000 780,689,775 2,314,423,000 2,314,422,600 390,143,000 501,240,000        
          increase in other accounts receivable
                  -311,870,940      -391,181,000       -37,587,000 
          decrease in accrued income
                  72,208,065     -174,433,000 -182,136,000        
          decrease in advance payments
                  264,761,424 740,900,000 740,900,327      467,018,000      
          decrease in prepaid expenses
                  -192,598,292 164,685,000 164,685,108 137,536,000 137,535,960  120,868,000        
          decrease in refund of income taxes receivable
                  38,054,947  58,474,024  -28,163,007          
          decrease in non-current deferred tax assets
                  5,796,000,000  3,177,000,000   -9,169,928,000         
          decrease in other non-current assets
                  4,269,654,397   28,000,000 28,000,000  954,545,000        
          decrease in advances received
                  -369,998,538              
          decrease in other non-current liabilities
                  -28,710,000              
          cash inflows from investing activities
                  45,391,064,153  41,099,813,399  31,132,142,574          
          proceeds from disposal of short-term financial instruments
                  45,000,000,000  39,500,000,000  30,000,000,000     2,539,121,000 39,160,879,000    
          proceeds from disposal of securities under equity method
                  1,356              
          proceeds from disposal of long-term available-for-sale securities
                   579,227,000 579,226,726 -21,440,000  21,440,000 21,440,000        
          proceeds from disposal of computer and equipment
                  7,166,307  1,313,487  4,194,510          
          proceeds from disposal of furniture and fixtures
                  3,639,000  1,458,037  3,006,400          
          cash outflows from investing activities
                  -41,863,570,379  -44,606,382,785  -39,370,475,505          
          acquisition of securities under equity method
                    800,040,000            
          acquisition of computer and equipment
                  11,548,181  118,453,272  252,664,561          
          acquisition of furniture and fixtures
                  11,313,638  3,277,808  6,686,000          
          increase in development costs
                    464,919,300  2,080,916,374          
          acquisition of software
                  46,488,560  1,195,901,970  890,657,570          
          acquisition of other intangible assets
                    365,790,435  645,681,000          
          acquisition of leasehold improvement
                  77,730,000              
          cash inflows from financing activities
                                
          cash outflows from financing activities
                                
          increase in cash
                  692,812,124              
          cash at beginning of year
                  23,402,391,895  29,078,231,109  31,740,564,444          
          cash at end of year
                  24,095,204,019  23,402,391,895  29,078,231,109          
          adjustments to reconcile net loss to net cash provided by used in operating activities
                                
          loss on disposal of equity-method investments
                     333,389,000           
          loss on impairment of long-term available-for-sale securities
                     399,405,000 399,404,898   451,740,000       
          loss on disposal of intangible assets
                     924,000 923,838          
          loss on impairement of intangible assets
                   1,344,120,000  291,094,000           
          loss on disposal of other non-current assets
                     5,880,000 5,880,000          
          decrease in other accounts receivable
                     188,142,000  -409,845,000  462,628,000 338,537,000 260,271,000     
          increase in accrued income
                    -16,805,017 -6,294,000 -6,293,686         -35,885,000 
          decrease in tax refund receivable
                   58,474,000  -28,163,000  -80,887,000 66,916,000 32,854,000 71,338,000 85,246,000     
          decrease in long-term prepaid expenses
                    -1,333,340 42,460,000 42,460,171          
          increase in other non-current assets
                    -130,000,000 -28,000,000  -102,130,000    -90,000     
          decrease in income tax payables
                     -67,417,000           
          proceeds from disposal of short-term available-for-sale securities
                     905,280,000 905,280,000 5,000,000,000 5,000,000,000 5,307,900,000       
          increase in leasehold deposits
                     -270,000 270,000 -130,110,000         
          loss on disposal of securities under equity method
                      333,389,213          
          decrease in accounts receivable
                    -58,152,223  188,141,724          
          increase in long-term deferred income
                    -1,039,511,252 2,085,298,000 2,085,297,672         -439,239,000 
          increase in leasehold deposits received
                    -3,508,153 10,264,000 10,263,730 73,651,000 76,289,000 3,845,000 13,572,000 9,598,000     
          proceeds from disposal of other non-current assets
                       954,545,000         
          acquisition of other non-current assets
                      28,000,000          
          decrease in cash
                    -5,675,839,214  -2,662,333,335          
          adjustments to reconcile net income to net cash from operating activities depreciation
                     490,035,000           
          loss on foreign exchange translation
                     152,637,000  49,478,000 33,610,000 356,527,000 231,174,000 309,129,000 13,214,000 117,357,000 64,715,000 143,702,000 
          loss on disposal of short-term available-for-sale securities
                       125,000 125,000        
          gain on foreign exchange translation
                     -31,569,000  -171,702,000 -165,914,000 -74,524,000 -82,328,000 -395,601,000 -29,062,000 -51,346,000 -62,169,000 -2,232,000 
          gain on disposal of of other non-current assets
                                
          increase in advance payments
                     -580,423,000 -580,422,612 -2,394,110,000 -2,515,004,000 -796,869,000  -607,014,000    -706,697,000 
          decrease in merchandise
                       42,095,000 42,095,000        
          increase in other deposits
                       -4,139,454,000 -4,139,454,000 -500,000       
          increase in deferred tax assets
                     -107,000,000   -8,866,000,000        
          increase in advance receipt
                                
          increase in withholdings
                     -61,948,000 -61,948,058 80,981,000 61,806,000  6,552,000 -74,320,000    -21,758,000 
          gain on disposal of other non-current assets
                       -62,392,000 -62,392,000        
          increase in non-current deferred tax assets
                      -107,000,000          
          increase in advances received
                                
          proceeds from disposal of software
                                
          impairment loss on intangible assets
                                
          provision for accrued severance benefits
                                
          gain on disposition of available-for-sale investments
                                
          loss on foreign currency transactions
                                
          loss on disposition of property and equipment
                                
          gain on loss of control in subsidiaries
                                
          gain on disposal of equity method investment
                                
          purchase of available-for-sale investments
                                
          proceeds from disposal of available-for-sale investments
                                
          purchase of equity method investments
                                
          cash paid for acquisition, net of cash acquired
                                
          reduction in cash balances upon deconsolidation of subsidiaries
                                
          proceeds from borrowings
                                
          bad debts expense
                       81,275,000  444,470,000 359,150,000 110,305,000     
          other bad debts expense
                       1,841,810,000         
          severance benefits
                       91,086,000  67,099,000       
          settlement loss on contractual relationship
                         109,602,000       
          gain on disposal of short-term available-for-sale securities
                         -334,715,000       
          gain on valuation of short-term available-for-sale securities
                         -125,000       
          decrease in short-term prepaid expenses
                       6,200,000  10,245,000 206,791,000 77,676,000     
          decrease in current deferred tax assets
                       -1,259,624,000         
          increase in accounts payable
                       -861,645,000 -848,521,000 845,920,000      826,381,000 
          increase in advance received
                       60,722,000 60,698,000  1,817,090,000 37,575,000    22,678,000 
          decrease in deferred revenue
                       -1,803,988,000 -1,820,576,000 -1,806,449,000 -1,248,687,000 -1,980,364,000     
          increase in income tax payables
                       -230,361,000 -61,078,000 84,529,000 -74,338,000 129,600,000     
          decrease in current deferred tax liabilities
                                
          increase in long-term deferred revenue
                       974,872,000 1,014,444,000 1,463,149,000 2,427,047,000 1,322,854,000     
          decrease in vat withoding taxes
                                
          decrease in non-current deferred tax liabilities
                                
          payments of severance benefits
                       -496,326,000  -31,470,000  -350,499,000     
          collection of short-term loans receivables
                       319,750,000  71,059,000 54,530,000 63,333,000     
          collection of long-term loans receivables
                       15,278,000         
          acquisition of short-term financial instruments
                       -25,000,000,000       -50,969,495,000 -7,300,000,000 
          acquisition of short-term available-for-sale securities
                         -5,000,000,000 -5,000,000,000      
          increase in short-term loans receivables
                       -125,514,000         
          acquisition of equity-method investment
                       -374,015,000         
          increase in long-term loans receivables
                       -70,000,000         
          acquisition of shares of the subsidiary
                                
          change in consolidated subsidiaries
                       7,157,065,000  410,964,000       
          increase in current portion of deferred tax assets
                        -1,239,000,000        
          decrease in guarantee deposits
                        7,774,000  2,672,000 1,766,315,000 461,500,000 62,253,000 3,802,425,000  
          increase in guarantee deposits
                        -130,110,000 -73,577,000     -2,588,523,000 -34,055,000 
          stock compensation expense
                                
          gain on loss of control in a subsidiary
                                
          reduction in cash balances upon deconsolidation of a subsidiary
                                
          payment of leasehold deposits
                                
          proceeds from leasehold deposits
                                
          loss on valuation of equity method investments
                         1,541,549,000 1,978,966,000 7,944,124,000 3,081,868,000 3,570,539,000   
          gain on valuation of equity method investments
                         -1,447,646,000 -1,635,795,000 -1,168,261,000 -2,074,016,000 -569,600,000   
          increase in trade accounts receivable
                         -2,146,982,000 -839,651,000 -2,177,124,000     
          increase in prepaid income taxes
                         -11,359,000       
          decrease in advance received
                         -26,169,000       
          increase in deferred tax assets and liabilities
                         -132,129,000       
          acquisition of shares of subsidiary
                         -11,688,481,000       
          adjustments to reconcile net income to net cash provided by operating activities
                                
          loss on impairment of property and equipment
                             675,000,000   
          provision for severance benefits
                           125,725,000 100,605,000 99,712,000 1,168,166,000 807,136,000 
          loss on valuation of short-term available-for-sale securities
                          26,815,000      
          loss on impairment of available-for-sale securities
                          4,784,890,000 657,364,000 10,075,688,000    
          stock-based compensation expense
                          33,510,000  177,930,000    
          reversal of allowance for doubtful accounts
                          -62,875,000  -17,774,000    
          reversal of stock-based compensation expense
                           -102,485,000     
          payment for short-term loans receivable
                          -360,857,000  -71,111,000 -89,667,000   
          acquisition of equity method investments
                           -1,981,017,000 -7,037,781,000 -2,214,059,000 -9,342,500,000 -1,763,995,000 
          acquisition of available-for-sale securities
                          -229,081,000 -6,054,016,000  -9,885,492,000 -2,999,999,000  
          payment for guarantee deposits
                          -10,105,000 -588,313,000     
          adjustments to reconcile net income to net cash provided by (used in) operating activities
                                
          allowance for other receivables
                                
          loss on impairment of investment
                                
          equity loss of joint venture and partnership
                                
          accrued litigation liabilities
                                
          decrease of available-for-sale and other investments
                                
          purchase of equity investments
                                
          loss on disposal of equity method investments
                            2,264,419,000    
          gain on disposal of other investment asset
                            -26,000,000    
          proceeds from sale of other non-current assets
                                
          adjustments to reconcile net loss to net cash from (used in) operating activities
                                
          gain on disposal of assets held for sale
                                
          cumulative effect of accounting change
                                
          equity loss of related joint venture
                                
          provision for litigation
                                
          loss on disposition of pp&e
                                
          minority interest
                                
          dividends
                                
          deferred income
                             894,134,000 38,145,000  
          adjustments to reconcile net loss to net cash from operating activities
                                
          bad debt expense
                            220,927,000 1,260,839,000   
          gain on disposal of investment in real property
                             -1,081,346,000   
          changes in
                                
          trade accounts receivable
                            -2,393,795,000 2,611,471,000 1,632,721,000  
          other accounts receivable
                            826,234,000 3,583,993,000 -4,539,146,000  
          advances payments
                            -1,560,134,000 -418,459,000   
          prepaid income taxes
                            -114,809,000 -382,052,000 -640,692,000  
          tax refund receivable
                            -5,345,000 -132,051,000   
          current deferred income tax assets
                             1,831,495,000 -1,831,495,000  
          long-term prepaid expenses
                            -46,108,000  -41,066,000  
          non-current deferred income tax assets
                             5,982,079,000 -3,910,876,000  
          advance received
                            -17,206,000 -295,822,000 274,091,000  
          withholdings
                            56,631,000 -1,002,277,000 1,138,651,000  
          income tax payables
                            70,906,000 -531,463,000   
          long-term deferred revenue
                            5,186,809,000    
          other current assets
                            84,547,000 193,565,000 -755,435,000  
          redemption of short-term loans receivables
                            62,500,000 51,611,000 167,265,000  
          redemption of long-term loans receivable
                            21,389,000    
          proceeds from disposal of investment in real properties
                                
          decrease in other noncurrent assets
                            519,700,000    
          payment for long-term loans receivable
                            -744,139,000 -2,474,843,000 -1,050,000,000  
          increase in leasehold deposit received
                            40,920,000  65,000,000 2,000,000,000 
          beginning of year
                            31,872,477,000 24,798,762,000 15,821,935,000 5,063,399,000 
          end of year
                               15,821,935,000 
          deferred expenses
                                
          misappropriated funds receivable
                                
          accrued interest
                                
          long-term accounts payable
                              -927,800,000  
          other current liabilities
                                
          cash paid for acquisition of subsidiaries, net of cash acquired
                                
          issuance of common stock
                                
          repayment of long-term debt
                                
          loss on retirement of property and equipment
                              76,327,000  
          compensation expenses associated with stock options
                             383,665,000 1,623,417,000  
          due from former chairman
                              7,482,139,000  
          long-term deferred income
                             2,899,764,000 1,265,543,000  
          retirement insurance deposits
                              222,583,000  
          disposal of available-for-sale securities
                               98,669,000 
          decrease in leasehold deposit received
                              -2,000,000,000  
          disposal of investment in real properties
                             9,180,483,000   
          proceeds from offering shares
                              71,837,242,000  
          adjustments to reconcile net income (loss) to net cash from operating activities
                                
          loss in impairment of intangible asset
                                
          other
                                
          deferred expense
                                
          purchase of intangible asset
                                
          repayment of capital lease liabilities
                               -103,694,000 
          losses from equity method investments
                              3,188,547,000 296,183,000 
          earnings from equity method investments
                              -206,432,000  
          advance payments
                              -723,272,000  
          redemption of long-term loans receivables
                                
          benefit from severance benefits
                                
          loss from impairment on investment
                                
          loss on impairment of intangible asset
                                
          equity in loss of related joint venture
                                
          proceeds from joint venture
                                
          adjustments to reconcile net income to net cash used
                                
          in operating activities
                                
          loss on disposal of available-for-sale securities
                               1,331,000 
          loss on impairment of investments
                                
          compensation expenses associated with stock option
                               9,100,000 
          gain on disposal of available-for-sale securities
                                
          gain on disposal of property, plant and equipment
                               -37,000 
          gains on disposition of intangible assets
                               -9,030,000 
          increase in accounts receivable
                               -2,004,369,000 
          increase in prepaid expenses
                               -14,096,000 
          increase in inventories
                               -54,156,000 
          increase in deferred income
                               2,526,583,000 
          increase in retirement insurance deposits
                               -151,216,000 
          increase in deferred income tax assets
                               -2,857,793,000 
          proceeds from disposal of other investments
                               24,200,000 
          proceeds from disposal of property, plant and equipment
                               2,382,000 
          redemption of long-term loans
                               182,964,000 
          payment for short-term loans
                               -85,599,000 
          payment for long-term loans
                                
          acquisition of other investments
                                
          acquisition of property, plant and equipment
                               -9,981,750,000 
          proceeds from short-term borrowings
                                
          proceeds from capital lease liabilities
                                
          repayment of short-term borrowings
                                
          payment of stock issuance
                                
          accounts payable and accrued expenses
                                
          development cost
                                
          increase of long-term debt
                                
          proceeds from increase in borrowings