1.Date of the board of directors resolution:2019/03/14
2.Date for convening the shareholders' meeting:2019/06/20
3.Location for convening the shareholders' meeting:
 Conference Room 101, Association of Industries in Hsinchu Science Park, No.2, Zhanye 1st Rd., Hsinchu City 300, Taiwan (R.O.C.).
4.Cause or subjects for convening the meeting
  (1)Report Items:
    1.1 The 2018 Business Report.
    1.2 Audit committee's report of 2018 audited financial report.
    1.3 Implementation Report on the Issuance of the Common Stocks through
        Private Placement which approved by the 2018 Annual General
        Shareholders' Meeting.
    1.4 Report execution situation of the company repurchase Epistar common
        stocks.
    1.5 Amendments to the Rules for the Conduct of the Board of Directors'Meeting.
    1.6 Status of Endorsements and Guarantees as of the End of 2018.
5.Cause or subjects for convening the meeting
  (2)Matters for Ratification:
    2.1 2018 Business Report and Financial Statements.
    2.2 Proposal for 2018 Deficit Compensation..
6.Cause or subjects for convening the meeting
  (3)Matters for Discussion:
    3.1 Cash Distribution of the Capital Surplus to Shareholders.
    3.2 Amendments to the Articles of Incorporation.
    3.3 To amend ”Acquisition or Disposal Procedures of Asset”.
    3.4 To amend ”Procedures for Loaning Funds to Other Parties”.
    3.5 To amend ”Procedures of Endorsement and Guarantee”.
    3.6 To approve issuance of new common shares for cash to sponsor  issuance of the global depositary receipt and/or issuance of  new common shares for cash in private placement.(additional item)
    3.7 To release the newly elected directors from non-competition restrictions.
7.Cause or subjects for convening the meeting
  (4)Elections:
    4.1 To elect the Company’s 10th term of Directors. (Including 5Independent Directors)
8.Cause or subjects for convening the meeting
  (5)Other Proposals:None
9.Cause or subjects for convening the meeting
  (6)Extemporary Motions:None
10.Book closure starting date:2019/04/22
11.Book closure ending date:2019/06/20
12.Any other matters that need to be specified:
  Pursuant to Article 172-1 and 192-1 of the Company Act, the Company will accept proposals proposed to be discussed at the Regular Shareholders' Meeting by shareholders holding one percent 1% or more of the total number of outstanding shares of the Company and nominations of the candidates for the Directors from 2019/04/12 to 2019/04/23.
  The proposal and the nomination shall be submitted with contact information during such period for the Board of Directors' review  and response. The place for shareholders to submit is the Investor
  Relations Department of Finance and Accounting Center of Epistar.
  (Address: 21, Li-hsin Rd., Hsinchu Science Park, Hsinchu 300, Taiwan.
  TEL:+886-3-5678000 ext.133795.)