OSE — AGM Information 2025

Jun 6, 2025

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Annual General Meeting Notice

(Summary Translation)

The 2025 Annual General Shareholders' Meeting of Orient Semiconductor Electronics, Limited ("OSE") will be convened at Headquarters 1F (Location at 1F, No. 9, Central 3[rd] Street, Nan-Zih District, Kaohsiung, Taiwan) at 9:00 a.m., Thursday, May 29, 2025 . The meeting type is physical shareholders’ meeting.

1. The Agenda for the Meeting is as follows:

(1). Report Item

• A. 2024 Business Report.

• B. Audit Committee's Auditing Report.

• C. 2024 Directors’ Remunerations and Employees’ Compensation.

• D. The Cash Distribution of 2024 earnings.

(2). Ratification Item

• A. To adopt 2024 Business Report and Financial Statements.

• B. To adopt the proposal for 2024 earnings distribution.

(3). Discussion.

• A. Amendment to the “Articles of Incorporation”.

(4). Extraordinary Motions

2. The Board of Directors resolved to distribution of dividends for the 2024 as follows:

• (1)Cash dividend: In the amount of NT$740,408,333 at NT$1.0 per ordinary share.

3. Please inquire the information at Market Observation Post System (the

“MOPS”) (http://mops.twse.com.tw) for more details.

1. Please find enclosed the "Notice of Attendance" and "Proxy Statement". Please sign or apply your seal to the "Notice of Attendance" if you plan to attend the Meeting in person on the Meeting date (Do NOT return this by mail). Members may appoint a proxy to attend the Meeting on his or her behalf by signing or applying their seal to this "Proxy Statement". Please send out such signed or sealed "Proxy Statement" to the Company's stock agency, the Transfer Agency Department of CTBC Bank, five (5) days prior to the Meeting date to allow the stock agency to deliver the "Attendance Card" to your proxy.

2. If members solicit proxies to attend the Meeting in their place, the Company will compile a proxy solicitation summary statement and disclose its contents on the Securities & Futures Institute (SFI)’s website on April 28, 2025. Members can access the website through SFI's web address (http://free.sfi.org.tw) for relevant information.

3. The voting at this Meeting can be exercised by way of electronic method from April 29, 2025 to May 26, 2025. The members/shareholders can log in Electronic Voting Platform of Shareholders' Meeting established by Taiwan Depository and Clearing Corporation (https://www.stockvote.com.tw) directly and cast the vote according to the relevant explanations.

4. The proxies shall be tallied and verified by the Transfer Agency Department of CTBC Bank.

To Shareholder Board of Directors Orient Semiconductor Electronics, Limited

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