【TengHui Electronic-KY】Due to the company's securities reaching the standard for public disclosure of cautionary trading information in the centralized trading market, relevant financial and business material information is hereby disclosed to facilitate investor understanding.

1. Date of occurrence of the event: 115/04/23 2. Cause of occurrence: Handled in accordance with the notification from Taiwan Stock Exchange Corporation 3. Financial and business information: Period ( Month ) ( Quarter ) (Accumulated for the most recent four quarters) ======== ================== ===================== ====================== Most recent month Compared to last year Most recent quarter Compared to last year Item March 115 YoY change% Q4 114 YoY change% Q1 114 to Q4 114 (Consolidated self-audited) (Consolidated audited) (Consolidated audited) ======== ====== ========= ======== ========== ====================== Operating revenue 481 31.50% 1,107 7.60% 4,265 (Millions) Pre-tax net profit 70 52.30% 119 33.27% 405 (Millions) Net profit for the period 60 71.32% 99 19.62% 346 (Millions) Earnings per share 0.84 71.43% 1.38 18.97% 4.85 (NTD)

4. Is there any material information as listed in Article 4 of the "Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information of Listed Securities" (if "Yes", please explain): No 5. Is there any material information press conference as listed in Article 11 of the "Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information of Listed Securities": No 6. For complete financial information, please refer to the Market Observation System. Path as follows: (1) Recent operating revenue and profit/loss information: Basic Information > Highlights (2) Historical monthly operating revenue: Operating Overview > Monthly Revenue > Monthly Operating Revenue Information after IFRSs adoption (3) Historical profit/loss (audited/reviewed by accountants): Financial Statements > After IFRSs adoption > Consolidated/Individual Statements > Comprehensive Income Statement (4) Historical profit/loss (voluntary self-audited announcement): Operating Overview > Self-audited profit/loss announcement: None 7. Other matters that need to be specified: None