Issued on: 2013/1/9 Etron Announces Revenue of December 2012

Etron Technology (GTSM: 5351) today announced that its net sales of Dec 2012 were NT$482 million, representing a 6.6% decrease month-over-month, and a
26% increase year-over-year. Accumulated revenues from January through December of 2012 totaled NT$6,024 million, growing 5.1% from NT$5,730 million for the same period of last year.

Corporate Spokesperson: Mr. Joshua Hsu Corporate Deputy Spokesperson: Ms. Justine Tsai For further information, please contact: Ms. Viola Sung

Tel: 886-3-578-2345 ext.8663

Fax: 886-3-579-9711

Email: invest@etron.com

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