United Microelectronics Corporation approved 2017 cash distribution to stockholders totaled TWD 8,557 million, each common share is entitled to receive TWD 0.71164307 in the shareholders meeting held on June 12, 2018. The ex-rights (ex-dividend) trading date is July 10, 2018, and ex-rights (ex-dividend) record date is July 16, 2018. The cash dividend for common shares is estimated to be paid on July 31, 2018.

The company approved election Stan Hung and Jyuo-Min Shyu as directors in the shareholders meeting held on June 12, 2018.