1.Date of occurrence of the event:2011/06/29

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 Board of Directors has authorized the Chairman to adjust the payout

ratio based on the number of actual shares outstanding, which was increased

by the exercise of employee stock option.  The cash dividend is adjusted from

NT$4.5 to NT$4.484866 per share.

(2)Pursuant to Article 11 of the 3rd Domestic Corporate Bond Plan, the

conversion price is as follows:

A.Before adjustment : NT$100.74

B.After adjustment : NT$95.58

C.New price is effective from July 20th, 2011

(3)Pursuant to Article 13 of the 3rd  Overseas Corporate Bond Plan, the

conversion price is as follows:

A.Before adjustment : NT$132.60

B.After adjustment : NT$125.81

C.New price is effective from July 20th, 2011