OUCC will participant in the forum held by Macquarie in Hong Kong

To which item it meets: article 2 paragraph 12
Date of event: 2012/05/09
1. Date of the investor conference: 2012/05/10~2012/05/11
2. Time of the investor conference: 0900
3. Location of the investor conference: Hong Kong
4. Brief information disclosed in the investor conference: 2011 annual & 1Q’12 financial and operational performance.
5. The presentation of the investor conference release: Same as the files attached.
6. Will the presentation be release in the Company’s website: Yes www.oucc.com.tw
7. Any other matters that need to be specified: Under corporate governance item.