1.Date of occurrence of the event:2010/06/25

2.Company name:Epistar Corporation

3.Relationship to the Company (please enter ”head office” or

”affiliate company”):head office

4.Reciprocal shareholding ratios:NA

5.Cause of occurrence:None

6.Countermeasures:None

7.Any other matters that need to be specified:

1)The previous cash dividend, NT1.799850 per share, was resolved by the Board

Meeting based on the number of outstanding shares dated on June 15th.

Due to employees exercising stock options closed on June 22nd , the cash

dividend is adjusted to NT1.799848 per share.

(2)Pursuant to Article 11 of the 3rd Domestic Unsecured CB Issuance and

Conversion Measures, the Company resolved to adjust the conversion price

from NT108.4 to NT106.23 per share starting from July 18th,

the ex-dividend date.