Choo-Ja Gu acquired 1.4% stake in Global Optical Communication Co., Ltd. from Seok-Ho Lee for approximately KRW 100 million on February 3, 2016. Choo-Ja Gu offered KRW 2273 per Global Optical Communication's shares. Post transaction, Seok-Ho Lee held 5.3% stake in Global Optical Communication.

Choo-Ja Gu completed the acquisition of 1.4% stake in Global Optical Communication Co., Ltd. from Seok-Ho Lee on February 3, 2016.