• Major Shareholders

  Wen-Yu Tsai

• Shares Held

  3,857,893

• Shareholding Percentage

  10.72%

• Major Shareholders

  Chieh-Sheng Cheng

• Shares Held

  3,139,815

• Shareholding Percentage

  8.73%

• Major Shareholders

  Yuanta Commercial Bank as the custodian of the Vivo Panda Fund Limited Partnership Investment Account

• Shares Held

  2,308,926

• Shareholding Percentage

  6.42%

• Major Shareholders

  Tsung-Hung Hsieh

• Shares Held

  2,142,794

• Shareholding Percentage

  5.96%

• Major Shareholders

  Mega International Commercial Bank Co., Ltd.

• Shares Held

  2,125,330

• Shareholding Percentage

  5.91%

• Major Shareholders

  Foward Biomedical Ventures Limited Partnership

• Shares Held

  1,830,241

• Shareholding Percentage

  5.09%

• Major Shareholders

  Kuo-Wei Yu

• Shares Held

  1,253,584

• Shareholding Percentage

  3.48%

• Major Shareholders

  Shihwei Investment Co., Ltd.

• Shares Held

  1,129,769

• Shareholding Percentage

  3.14%

• Major Shareholders

  Donpon Precision Inc.

• Shares Held

  1,003,700

• Shareholding Percentage

  2.79%

• Major Shareholders

  DCI Partners Co., Ltd.

• Shares Held

  915,314

• Shareholding Percentage

  2.54%