COSMO — Proxy Solicitation & Information Statement 2025

Jul 29, 2025

Cosmo Electronics Corporation Meeting Notice for Special Shareholders’ Meeting (Summary Translation)

Type of Meeting ： Physical meeting

Time ： 9:00 a.m.., March 14, 2025

Place ： 2F, No. 916, Section 2, Yongxing Road, Guangxing Village, Dongshan Township, Yilan County(Guangxing Community Activity Center), Taiwan

一、 The agenda for the Meeting is as follows ：

1. Discussion ： (1) The Company plans to conduct a private placement of

common shares (2) Amendment to the Articles of Incorporation.

1. Other Business and Special Motions

2. 二、 The Company plans to conduct a private placement of common shares. Please refer to the 4th copy [Attachment] for matters that should be explained.

3. 三、 In accordance with the Article 172 of Company Act which requests all information shall be available on the MOPS ( https://mops.twse.com.tw)

4. 四、 The Attendance card and the Proxy are enclosed. The shareholders who want to attend the meeting in person, please sign or stamp on the attendance card (no need to mail) and bring it to the venue, for those who want to by proxy, please sign and stamp on the proxy personally with the name and address of the proxy, then hand it to the CTBC bank /transfer agency department 5 days prior to the meeting, the attendance card will be mailed to the proxy upon receiving.

5. 五、 If shareholders who solicit the proxy, the Company will compile the information and be available on the Securities and Futures Institute on February 26, 2025, the investors can go to https://free.sfi.org.tw/ for further inquiry.

6. 六、 The shareholder voting right could be exercised through the Internet during the period from February 27, 2025 to March 11, 2025. Please login to the TDCC (Taiwan Depository & Clearing Corporation) website

   • (http://www.stockvote.com.tw) to exercise voting rights in accordance with the online instruction.

7. 七、 Newly-opened shareholders who wish to pay for the shareholders' seal card may download the seal card from the website of the Company's

Cosmo Electronics Corporation Meeting Notice for Special Shareholders’ Meeting (Summary Translation)

stockbroker, CTBC Bank Corporation Trust, for use.

• 八、 The Transfer Agency Department of Chinatrust Commercial Bank is the proxy tallying and verification institution for this Annual meeting.

• 九、 Please be advised and perform accordingly.

Sincerely Yours,

Board of Directors,

Cosmo Electronics Corporation