[Chao Lian Industry] (Supplementary Announcement) Our Company's U.S. Subsidiary MUAQUA ENGINEERING INC. Announces Major Project Undertaking (Original Announcement Date: 115/07/20)

1. Date of Fact: 115/07/20 2. Contract or Commitment Counterparty: A single high-tech industry client in the United States 3. Relationship with the Company: None 4. Contract or Commitment Start and End Date (or Termination Date): Starting from 115/07/20 5. Main Content (Not Applicable to Terminators): Undertaking a wastewater treatment system project for a high-tech industry client in the United States 6. Restrictive Clauses (Not Applicable to Terminators): No major restrictive clauses 7. Commitment Items (Not Applicable to Terminators): No major commitment items 8. Other Important Agreed Items (Not Applicable to Terminators): None 9. Impact on Company's Finance and Business: Expected to significantly increase the company's future revenue 10. Specific Purpose: Expected to strengthen the company's overseas market presence and improve the performance of the U.S. subsidiary 11. Other Items to be Stated (If the subject of the event or resolution is a company with public issuance above, this major information also meets the items that have a significant impact on shareholders' rights or securities prices as defined in Article 7, Paragraph 8 of the Securities Exchange Act Enforcement Rules): This case is handled in accordance with the company's internal major information processing procedure 'the absolute amount of important engineering contracts reaches NT$50 billion or above.' The company will continue to handle it prudently in accordance with relevant regulations and the requirements of the competent authority, and announce it in a timely manner in accordance with the law.