TSMC to Sell 5.1% of Xintec Inc.

Hsinchu, Taiwan, R.O.C. – April 8, 2016 - TSMC (TWSE: 2330, NYSE: TSM) today announced to sell 5.1% ownership of Xintec Inc (“Xintec”). TSMC obtained 10.2% Xintec ownership from its purchase of OmniVision Technologies, Inc.’s 49.1% ownership in VisEra Holding Cayman, Ltd. and 100% ownership in Taiwan OmniVision Investment Holding Co. Inc. (renamed as Chi Cherng Investment Co., Ltd.) on November 20, 2015. Of the above 10.2% Xintec ownership, 5.1% was sold on November 30, 2015. The remaining 5.1% announced to be sold today was released from the IPO lock-ups on March 30, 2016.

After the Xintec shares sales, TSMC will remain as the largest shareholder of Xintec with approximately 41% ownership. TSMC announces that it has no plan to sell more Xintec shares in the foreseeable future. TSMC expects to continue its close collaboration with Xintec in the business areas of CMOS image sensor, MEMS, and etc.