1.Date of occurrence of the event:2019/12/09
2.Method of the present increase (decrease) in investment:
 The subsidiary, Epicrystal Corporation (ChangZhou) Ltd., directly invests a
 China company in mainland China.
3.Transaction volume, price per unit, and total monetary
  amount of the transaction:
 Transaction volume: NA
 Price per unit: NA
 Total monetary amount of the transaction: RMB 110,000 thousand
4.Company name of the invested mainland Chinese company:
 NEO-WPISKY Corporation (Changzhou) Ltd.
5.Paid-in capital of said invested mainland Chinese company:
 RMB 5,000 thousand
6.Amount of new capital increment currently planned
  by said invested mainland Chinese company:
 RMB 330,789 thousand
7.Main business items of said invested mainland Chinese
  company:
 The research and development, manufacturing, packing, sales and technical
 consulting on Optoelectronic devices, ICs, Semiconductor discrete devices,
 LED chips and LED epitaxial wafer.
8.Type of CPA opinion issued for the financial statement
  of said invested mainland Chinese company for the most
  recent fiscal year:
 It is not applied due to the invested company is incorporated at
 Sept.27,2019.
9.Total equity of said invested mainland Chinese company on
  the financial statement for the most recent fiscal year: NA
10.Amount of profit/loss of said invested mainland Chinese
   company on the financial statement for the most recent
   fiscal year: NA
11.Amount of actual investment to date in said invested
   mainland Chinese company: RMB 5,000 thousand
12.Counterparty to the transaction and its relationship
   to the Company:
  NEO-WPISKY Corporation (Changzhou) Ltd. is directly invested by
  Epicrystal Corporation (ChangZhou) Ltd. which is the china subsidiary
  company of EPISTAR.
13.Where the counterparty to the transaction is an actual
   related party, public announcement shall also be made of
   the reason for choosing the related party as the
   counterparty and the identity of the previous owner
   (including its relationship with the company and the
   trading counterpart), the date of transfer, and the price: NA
14.Where a person who owned the subject matter of the
   transaction within the past five years has been an
   actual related party of the company, public
   announcement shall also be made of the dates and
   prices of acquisition and disposal by the related
   party and such party's relationship to the company
   at those times: NA
15.Gain (or loss) on disposal: NA
16.Terms of delivery or payment (including payment period
   and monetary amount), restrictive covenants in the
   contract, and other important stipulations: Remittance
17.The manner of deciding on this transaction, the reference
   basis for the decision on price and the decision-making
   department: Board of Directors
18.Broker: None.
19.Concrete purpose of the acquisition or disposal: Long term investment
20.Do the directors have any objection to the present transaction?: None.
21.Is it a related party transaction?: yes
22.Date of the board of directors’resolution:2019/12/09
23.Date of the recognition of the supervisors
or the board of independent directors’resolution:2019/12/09
24.Total amount of mainland China area investment
   (including the present investment) approved by the
   Investment Commission to date:
  NTD 14,023,676 thousand
25.Ratio of the total amount of investment (including
   the present investment) in the mainland China area approved
   by the Investment Commission to date to the paid-in capital
   on the financial statement for the most recent period:128.91%
26.Ratio of the total amount of investment (including
   the present investment) in the mainland China area
   approved by the Investment Commission to date to the
   total assets on the financial statement for the most
   recent period:24.48%
27.Ratio of the total amount of investment (including
   the present investment) in the mainland China area approved
   by the Investment Commission to date to the shareholders’
   equity on the financial statement for the most recent period:30.21%
28.Total amount of actual investment in the mainland China
   area to date: NTD 12,674,304 thousand
29.Ratio of the total amount of actual investment in the
   mainland China area to date to the paid-in capital on
   the financial statement for the most recent period:116.42%
30.Ratio of the total amount of actual investment in the
   mainland China area to date to the total assets on the
   financial statement for the most recent period:22.13%
31.Ratio of the total amount of actual investment in the
   mainland China area to date to the shareholders’ equity
   on the financial statement for the most recent period:27.30%
32.Amount of recognized profits and losses on investment in
   the mainland China area for the most recent three fiscal years:
  2016: NT$-598,539 thousand
  2017: NT$ 482,192 thousand
  2018: NT$-311,251 thousand
33.Amount of profit remitted back to Taiwan for the most
   recent three fiscal years:0
34.Has the CPA issued an opinion on the unreasonableness of the price
   of the current transaction?:No
35.Name of the CPA firm: Top Standing CPA Firm
36.Name of the certifying CPA:Richard Shi
37.The practice certificate number of the CPA:(2014) SFC Certificate No. 6524
38.Any other matters that need to be specified:None.