Notice of Record Date for the 10th Extraordinary General Meeting of Shareholders

Pursuant to Article 354 of the Commercial Act and Article 15 of the Articles of Incorporation of the Company, notice is hereby given of the record date for determining the shareholders entitled to exercise voting rights at the 10th Extraordinary General Meeting of Shareholders, as set out below.

– Details –

1. Purpose: Determination of shareholders entitled to vote at the 10th Extraordinary General Meeting of Shareholders
2. Record Date: September 23, 2026
3. Other Information
   1) In accordance with the Act on Electronic Registration of Stocks, Bonds, etc., no period of suspension of transfer registration has been set.

September 8, 2026
S&SYS Co., Ltd.
Bae Jae-hyuk, CEO (seal omitted)
Hwang Oe-yeol, CEO (seal omitted)