Notice of Convocation of the 28th Extraordinary General Meeting of Shareholders

Notice of Convocation of the 28th Extraordinary General Meeting of Shareholders

The Company wishes its shareholders continued health and prosperity.

Pursuant to Article 17 of the Articles of Incorporation, the meeting will be held as set out below. In accordance with Article 542-4 of the Commercial Act, Article 31 of its Enforcement Decree, and Article 19 of the Articles of Incorporation, notice to shareholders holding not more than one percent of the total outstanding voting shares is made electronically through the disclosure system.

1. Date and Time

May 25, 2022 (Wednesday), 10:00 a.m.

2. Venue

Convention Hall, 2nd Floor, Eliena Hotel, 645 Nonhyeon-ro, Gangnam-gu, Seoul

3. Matters for the Meeting

Agenda:

• Agenda Item 1: Approval of the merger agreement.
• Agenda Item 2: Partial amendment of the Articles of Incorporation.
• Agenda Item 3: Appointment of Lim Dong-hwan as an inside director.

4. Availability of Reference Materials

Reference materials required under Article 542-4 of the Commercial Act are posted on the Company's website, kept at the head office and at the transfer agent, KB Kookmin Bank Securities Agency Department, and filed electronically with the Financial Services Commission and the Korea Exchange.

5. Exercise of Voting Rights Following Abolition of Shadow Voting

The Korea Securities Depository's shadow-voting system was abolished on January 1, 2018. Accordingly, the Korea Securities Depository will not exercise shareholders' voting rights at this meeting. Shareholders may exercise their voting rights in person or by proxy.

6. Items Required for Attendance

• In person: identification document.
• By proxy: proxy form bearing the shareholder's details and seal, and the proxy's identification document.

7. Additional Information

• No commemorative gifts will be provided in order to reduce Company expenses.
• Shareholders are encouraged to use public transportation due to limited parking and energy-conservation considerations.

May 10, 2022
HANSAE-MK Co., Ltd.
Representative Director Kim Ji-won

This English translation is provided for reference. In the event of any discrepancy, the Korean original shall prevail.