2379 Realtek

Release Date: 1150625 Statement Date: 1150624 Statement Time: 160124 Company Code: 2379 Company Name: Realtek Subject: Due to the company's securities reaching the public alert threshold on the centralized trading market, significant financial and business information is disclosed to assist investor understanding. Compliance Clause: Item 51 Event Date: 1150624

Details: 1. Event Date: 115/06/24 2. Reason: In accordance with notification from the Taiwan Stock Exchange Corporation 3. Financial and Business Information: Consolidated Financial Data of the Company:

Item Most Recent Month YoY Change % Most Recent Quarter YoY Change % Cumulative Last Four Quarters Period May 115 Q1 115 Q2 114 to Q1 115 (Self-compiled) (Audited/Reviewed) (Audited/Reviewed) =================================================================================== Operating Revenue 12,524 21.9% 36,423 4.0% 124,107 (Million NTD) Pre-tax Net Profit 1,515 2.2% 4,977 -11.2% 16,633 (Million NTD) Net Profit Attributable to Owners of Parent 1,318 4.9% 4,330 -9.1% 14,321 (Million NTD) Earnings Per Share (NTD) 2.57 4.9% 8.44 -9.1% 27.92

4. Whether there is any material information under Article 4 of the 'TSEC Procedures for Verification and Public Disclosure of Material Information by Listed Companies': No

5. Whether there is any press conference required under Article 11 of the same procedures: No

6. Complete financial information is available on the Public Information Observation System, via the following paths: (1) Recent operating revenue and profit/loss: Basic Information > Highlights (2) Historical monthly revenue: Operations Overview > Monthly Revenue > Monthly Revenue Information under IFRS (3) Historical profit/loss (audited/reviewed): Financial Statements > Under IFRS > Consolidated/Individual > Comprehensive Income Statement (4) Historical profit/loss (voluntary self-compiled announcements): Operations Overview > Self-compiled Profit/Loss Announcements: None

7. Other Notes: The monthly financial figures disclosed are self-compiled by the company and have not been audited or reviewed by accountants.