1.Date of occurrence of the event:2018/06/25

2.Company name:Epistar Corporation

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

  ”subsidiaries”):head office

4.Reciprocal shareholding ratios:NA

5.Cause of occurrence:None.

6.Countermeasures:None.

7.Any other matters that need to be specified:

 The company convened the board of directors meeting on June 25, 2018. In

 accordance with Article 36 of the Mergers and Acquisitions Act of the

 People's Republic of China, the company divided and transferred the related

 business (including assets, liabilities, and business) of the semiconductor

 foundry to the newly established Jingcheng Semiconductor Co., Ltd.

 (tentative company name) as the corresponding value for the issuance of

 new shares to the company. (hereinafter referred to as “the spin-off ”).

 The transaction between the company and creditors will not be affected by

 the spin-off.

 Pursuant to Article 35 of the Mergers and Acquisitions Act, the spin-off

 was public announced. If the creditor disagrees with this spin-off, please

 do so from now until July 26,2018 (valid mail is proved by Postmark date,

 the acceptance address is the Finance and Accounting Center, No.21 Li

 Hsin Road, Hsinchu City. Please state the Contact person and contact

 details, and affixed with the words ” Letter for the Semiconductor Foundry

 Business spin-off” on the cover of the envelope and sent by registered

 mail.) Please attached debt document then send to the company by post

 (valid mail is proved by postmark date). It is deemed as no objection if

 mail is not delivered before July 26, 2018. Special announcement is made herby.