Credit Rating

Credit Rating Agency	Rating		Announcement Date
Rating and Investment Information, Inc. (R&I)	Issuer Rating Short-term Credit Rating	AA- a-1+	March 30, 2017
Japan Credit Rating Agency, Ltd. (JCR)	Long-term Issuer's Rating	AA	March 22, 2017

Business Hours(Taiwan time)
8:30-17:30 (Except for Sat, Sun, and Holidays)