1.Date of occurrence of the event:2010/10/06

2.Company name:Epistar Corporation

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

”affiliate company”):head office

4.Reciprocal shareholding ratios:N/A

5.Cause of occurrence:

EPISTAR’s net revenue of Sep. 2010 is NT$1,841,609,000, 46.14% up from

Sep 2009’s NT$1,260,196,000.  Net revenue accumulated from Jan to Sep is

NT$14,953,192,000 in 2010, 68.91% up from the same period of 2009.

6.Countermeasures:None

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