[IR] Notice for the Protection of Rights Holders of Share Certificates to Be Converted into Electronic Securities

With the Act on the Electronic Registration of Stocks, Bonds, etc. (the “Electronic Securities Act”) having taken effect on September 16, 2019, the Company hereby gives the following notice pursuant to Article 27(1) of the Electronic Securities Act, in order to protect the holders of rights in the Company’s share certificates subject to conversion to electronic securities.

– Details –

1. Following the enforcement of the Electronic Securities Act (September 16, 2019), the physical share certificates (share certificates subject to conversion) held by shareholders (rights holders) will cease to be valid as of the Company’s scheduled electronic registration date (November 16, 2026).
2. Accordingly, shareholders (rights holders) must, by five (5) business days prior to the Company’s scheduled electronic registration date (November 9, 2026), notify the Company of their securities company account (the electronic registration account in which the shares, etc. will be electronically registered) and submit the physical share certificates (share certificates subject to conversion) they hold, as follows:
   
   ※ Action Required by Shareholders
   - Shareholders whose shares are held in a securities account need not take any action.
   - Shareholders who have not received their share certificates, or who hold physical share certificates, are requested to submit their physical share certificates to the Company and request deposit into their account by five (5) business days prior to the scheduled electronic registration date (November 9, 2026).
   
   
3. The Company (as issuer) intends to request the electronic registration agency (Korea Securities Depository) to carry out the electronic registration based on the rights holders recorded in the shareholder register as of the business day immediately preceding the electronic registration date (November 16, 2026).

October 15, 2026

Superb AI Co., Ltd.
Hyunsoo Kim, Chief Executive Officer