1.Date of occurrence of the event:2018/08/27
2.Company name:
 Epistar Corporation
 Lighting Investment Corporation
 Yen-Rich Technology Corporation (The name of the company has changed from
 Zheng-Yi Technology Corporation to Yen-Rich Technology Corporation)
 All above are referred to as EPISTAR Group.
3.Relationship to the Company (please enter ”head office” or
  ”subsidiaries”):Head office & Subsidiaries
4.Reciprocal shareholding ratios:NA
5.Cause of occurrence:
 EPISTAR acquired 25,648,234 common shares, representing approximately 43.77%
 shareholdings of the common shares of ProLight Opto Technology Corporation
 through Over-the-Counter Markets and private placement, respectively.
 (the total number of the common share is calculated after the completion of
 the private placement on the settlement date.)
6.Countermeasures:
 EPISTAR Corp holds more than 1/3 common shares of ProLight Opto after
 subscription of the private placement ,EPISTAR Corp notified to ProLight
 Opto ,pursuant to paragraph 1, Article 369-8 of Company Act.
7.Any other matters that need to be specified:None.