1.Date of the board of directors resolution:2017/05/03

2.Date for convening the shareholders' meeting:2017/06/21

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 2016 Business Report.

    1.2 Audit committee's report of 2016 audited financial report.

    1.3 Implementation Report on the Issuance of the Common Stocks through

        Private Placement which Approved by the 2016 Annual General

        Shareholders' Meeting.(The new item.)

    1.4 The Implementation report of the simple merge between The Company

        and its subsidiaries HUGA Optotech Inc. & Formosa Epitaxy

        Incorporation.

    1.5 The status of guarantee and endorsement in 2016.

5.Cause or subjects for convening the meeting

  (2)Matters for Ratification:

    2.1 Adoption of the 2016 Business Report and Financial Statements.

    2.2 Proposal for 2016 Deficit Compensation.

6.Cause or subjects for convening the meeting

  (3)Matters for Discussion:

    3.1 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. (The new item.)

    3.2 To amend ”Procedures for Loaning Funds to Other Parties”.

    3.3 To amend ”Acquisition or Disposal Procedures of Asset”.

    3.4 To release the Directors from non-competition restrictions.

7.Cause or subjects for convening the meeting

  (4)Elections:None

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:2017/04/23

11.Book closure ending date:2017/06/21

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