1.Name and nature of the subject matter (if preferred shares,the terms and
  conditions of issuance shall also be indicated,e.g.dividend yield):
 The private placement common shares of ProLight Opto Technology Corporation
2.Date of occurrence of the event:2018/08/23
3.Volume, unit price, and total monetary amount of the transaction:
 total volume：11,000,000 shares.
 unit price: NT$11.25
 total monetary amount of the transaction：NT$123,750 thousand
4.Counterpart to the trade and its relationship to the Company(if the
  trading counterpart is a natural person and furthermore is not an actual
  related party of the Company, the name of the trading counterpart is not
  required to be disclosed):
 Counterpart: ProLight Opto Technology Corporation
 its relationship to the Company: the Company's long-term equity investment
5.Where the counterpart to the trade is an actual related party,a public
  announcement shall also be made of the reason for choosing the related
  party as trading counterpart and the identity of the previous owner
  (including its relationship with the company and the trading counterpart),
  price of transfer, and date of acquisition:
 The reason for choosing the related party as trading counterpart:
 Strengthen the stragetic cooperation relationships between two parties.
 No previous owner.
6.Where a person who owned the property within the past five years has been
  an actual related person of the company, a public announcement shall also
  include the dates and prices of acquisition and disposal by the related
  person and the person’s relationship to the company at those times:NA
7.Matters related to the creditor's rights currently being disposed of
  (including types of collateral of the disposed creditor's rights;if the
  creditor's rights are creditor's rights toward a related  person, the name
  of the related person and the book amount of the creditor's rights toward
  such related person currently being disposed of must also be announced):NA
8.Anticipated profit or loss from the disposal (not applicable in cases of
  acquisition of securities) (where originally deferred, the status or
  recognition shall be stated and explained):NA
9.Terms of delivery or payment (including payment period and monetary
  amount), restrictive covenants in the contract, and other important
  stipulations:
 Full payment once on settlement date.
10.The manner in which the current transaction was decided, the reference
   basis for the decision on price, and the decision-making department:
  According to the Board resolution of Lighting Investment Corp.
11.Net worth per share of company underlying securities acquired or disposed
   of: NT$14.05
12.The discrepancy between the reference price of private placement and the
   transaction amount per share is 20 percent or more of the transaction
   amount: NA
13.Current cumulative volume, amount, and shareholding percentage of
   holdings of the security being traded (including the current trade) and
   status of any restriction of rights (e.g.pledges):
  (1)Epistar Corporation
     Current cumulative volume: 80,000 thousand shares
     Current cumulative amount: about NT$140,000 thousand
     shareholding percentage of holdings of the security being traded
     (including the current trade): 13.65%
     status of any restriction of rights: None
  (2)Lighting Investment Corp.
     Current cumulative volume: 17,539 thousand shares
     Current cumulative amount: about NT$214,343 thousand
     shareholding percentage of holdings of the security being traded
     (including the current trade):29.93%
     status of any restriction of rights: The right of the private placement
     common shares shall be restriced to the provisions of the Securities
     Exchange Act; There is no restriction for the right of theother original
     public common shares
  (3)Yen-Rich Technology Corporation
     (The company name change from Zheng-Yi Technology Corporation to
     Yen-Rich Technology Corporation)
     Current cumulative volume: 95 thousand shares
     Current cumulative amount: about NT$933 thousand
     shareholding percentage of holdings of the security being traded
     (including the current trade): 0.16%
     status of any restriction of rights: None
14.Current ratio of private placement of securities (including the current
   trade) to the total assets and shareholder's equity as shown in the most
   recent financial statement and the operating capital as shown in the most
   recent financial statement:
  Percentage to total assets: 0.35%
  Percentage to shareholders' equity: 0.42%
  Operating Capital:NT$ 12,554 million
15.Broker and broker's fee: NA
16.Concrete purpose or use of the acquisition or disposition:
  Long-term investments
17.Do the directors have any objection to the present transaction?: None.
18.The trading counterparty is a related party: yes.
19.Approval date by board of directors:2018/08/23
20.Recognition date by supervisors or submission date by audti committee: NA
21.Has the CPA issued an opinion on the unreasonableness of the price of
   the current transaction?:NA
22.Any other matters that need to be specified:None.