NOTICE OF CONVOCATION OF THE ANNUAL GENERAL MEETING OF SHAREHOLDERS
(25th Annual General Meeting)

Dear Shareholders,

We sincerely wish you good health and happiness.

Notice is hereby given that the 25th Annual General Meeting of Shareholders of CTK Co., Ltd. will be held as set forth below pursuant to Article 365 of the Korean Commercial Act and Article 20 of the Articles of Incorporation of the Company. Shareholders are kindly requested to attend the meeting.

Please note that, pursuant to Article 542-4 of the Korean Commercial Act and Article 20 of the Articles of Incorporation, this public notice shall substitute for individual notice to shareholders holding less than 1% of the total number of issued shares.

1. Date and Time

March 30, 2026 (Monday), 9:00 a.m.

2. Venue

Main Conference Room, B1 Floor, CTK Building 234, Hyoryeong-ro, Seocho-gu, Seoul, Korea

3. Agenda

A. Matters for Reporting

1. Audit Report

2. Business Report

3. Report on the Operation of the Internal Control over Financial Reporting

B. Matters for Resolution

Item No. 1: Approval of the Separate and Consolidated Financial Statements for the 25th Fiscal Year
(From January 1, 2025 to December 31, 2025)

• Including the proposed appropriation of retained earnings

• Cash dividend: KRW 110 per common share (differential dividend)

Item No. 2: Partial Amendment to the Articles of Incorporation

Item No. 3: Election of Directors (One Internal Director and One Outside Director)

• Item No. 3-1:Reappointment of Mr. Jung In Yong as Internal Director

• Item No. 3-2:Reappointment of Mr. Lee Joon Woo as Outside Director

Item No. 4: Approval of the Maximum Remuneration for Directors

Item No. 5: Approval of the Maximum Remuneration for the Auditor

4. Exercise of Voting Rights by Beneficial Shareholders

For this Annual General Meeting of Shareholders, the Korea Securities Depository will not exercise voting rights on behalf of shareholders.

Accordingly, shareholders are not required to submit any indication of voting intent to the Korea Securities Depository. As in the past, shareholders may exercise their voting rights either by attending the meeting in person or by proxy through a duly executed proxy form.

5. Documents Required for Attendance at the Meeting

For attendance in person: Identification card

For attendance by proxy:

• Proxy form
  (including the names and personal details of both the shareholder and the proxy, and signed or sealed by the shareholder)

• Copy of the shareholder’s identification card

• Identification card of the proxy

•  

Please note that admission to the meeting may be denied if the above requirements are not satisfied.

6. Management Reference Materials

The management reference materials required under Article 542-4(3) of the Korean Commercial Act have been filed electronically with the Financial Supervisory Service and the Korea Exchange, and are available for review.

February 27, 2026

CTK Co., Ltd.

Representative Director: Jung In Yong

(Official seal omitted)