1.Date of occurrence of the event:2010/07/26

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:

To amend information on page8,9,32,79,80 in 2009 Annual Report

according to instruction from Taiwan Stock Exchange Corporation.

6.Countermeasures:

To upload amendments of the 2009 Annual Report to MOPS.

7.Any other matters that need to be specified:None