MORE — Proxy Solicitation & Information Statement 2026

May 21, 2026

Taiwan Stock Code: 1533

Mobiletron Electronics Co., Ltd.

2026 Shareholders' Meeting Notice

(Summary Translation)

• Convening Means : Physical shareholders' meeting
• Time : June 23, 2026 (Tuesday) at 9:30 am
• Venue : No. 85, Section 4, Zhongqing Rd., Daya Dist., Taichung City. Taiwan (the Company)

The agenda of the meeting is as follows:

1. Reported Matters
   (1) The Company's 2025 Business Report and 2026 Business Outlook Report.
   (2) The Audit Committee's review on the 2025 financial statements.
   (3) Report on the Company's 2025 distribution of remuneration to employees and directors.
   (4) Report on the Company's 2025 distribution of remuneration to directors.

2. Acknowledged Matters
   (1) Acknowledged of the 2025 Business Report and financial statements.
   (2) Acknowledged of the 2025 earnings distribution.

3. Matters for Discussion
   (1) Amendments to the "Management of Loans to Others".

4. Election matters
   (1) Election of the Company's 16th Board of Directors.

5. Other Proposals
   (1) Removal of non-compete clause for new directors and its representatives.

6. Extemporary Motions

7. There will be eleven directors (including four independent directors) elected at the meeting. Candidates of directors:
   (1) Kim Y.C. Tsai
   (2) Nancy Tsai
   (3) Cc Wei
   (4) Pao Fu Investment Co., Ltd.: Legal representative Yu-Cheng Tsai
   (5) Wen-Cheng Tsai
   (6) William Tseng
   (7) Wen-Kuo Chen

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Taiwan Stock Code: 1533

Candidates of independent directors:

(1) En-Te Hsu
(2) Jih-Hsin Sher
(3) Wu-Hua Su
(4) Hsi-Fu Wang

Education, working experiences and other relevant information of the candidates, please refer to the website: https://mops.twse.com.tw

• In accordance with Article 172 of the Company Act any matter that should explain the main content is disclosed on Market Observation Post System (https://mops.twse.com.tw/mops/web/t57sb01_q5). Shareholders can insert our stock code and the year to inquire the reference materials, meeting agenda, and supplementary materials.

Taiwan Stock Code:1533

• Attending notification and proxy form will be attached in the meeting notice. If the shareholder(s) is attending the Meeting in person, please sign or stamp on the attending notification and carry it to the check-in desk on the day of the Meeting (shareholder registration begins at 9:00 am, at the same location as the meeting venue). If you appoint a proxy to attend on your behalf, please sign or affix your seal to the Proxy Form, and fill in the proxy's name, address, and signature or seal. This form should be delivered to the Company's shareholding agency, KGI Securities Co., Ltd., Shareholding Agency Department (5th Floor, No. 2, Section 1, Chongqing South Road, Taipei City), no later than 5 days before the meeting, so that an attendance badge can be sent to the proxy. If you do not receive your attendance badge before the meeting, please bring your identification documents directly to the venue to apply for a replacement.

• Shareholders, solicitors and authorized agents, please bring the identification documents for verification when attending the Shareholders' Meeting.

• According to Article 26-2 of the Securities and Exchange Act: “the notice of the shareholders meeting to be given by an issuer to shareholders who own less than 1,000 shares of nominal stocks may be given in the form of a public announcement; for shareholders meeting, such public announcements shall be served with thirty days prior notice, so it will not be sent separately.

• The voting at this meeting can be exercised by way of electronic method from May 23, 2026 to June 20, 2026. The 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.

• The statistical verification agency for the proxy form of this Shareholders' Meeting is the Equity Agency Department of KGI Securities Co., Ltd.

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Taiwan Stock Code: 1533

• If there is a public solicitation of proxies at this regular meeting of shareholders, the company will, in accordance with regulations, upload a summary of solicitation information to the Securities and Futures Commission website (https://free.sfi.org.tw) before May 22, 2026, please refer to the instructions on the website for inquiry methods.
• No souvenirs will be distributed at this Shareholders' Meeting.

Sincerely,

Board of Directors

Mobiletron Electronics Co., Ltd.