Seojin System corrects its disclosure on the share pledge agreement of its largest shareholder, Jeon Dong-gyu, changing the signing date of the security agreement (for this case) and the pledge period for the Daishin Securities case to November 3, 2026.

Seojin System corrected on November 3, 2026 its disclosure on the share pledge agreement of its largest shareholder, Jeon Dong-gyu. The reason for the correction is the extension of the share-backed loan, and the signing date of the security agreement (for this case) and the pledge period for the Daishin Securities case were corrected. As of the disclosure date, the largest shareholder owned 9,968,288 shares (15.64%), and if all pledged rights were enforced, the shareholder would own 2,725,324 shares (4.28%), according to the filing.

1. 01

   The reason for the correction is the extension of the share-backed loan, and the company corrected a disclosure it had filed on November 2, 2026.

2. 02

   The signing date of the security agreement (for this case) was changed from November 2, 2026 in the original filing to November 3, 2026.

3. 03

   For serial no. 6, the Daishin Securities pledge period was changed from May 4, 2026 to November 3, 2026 in the original filing to November 3, 2026 to February 2, 2027.

4. 04

   The company said serial no. 12 is a case in which the largest shareholder pledged 3,500,000 shares as collateral to secure damages liabilities under a shareholders' agreement with Stick Sequoia Holdings Ltd. and the same company's borrowing obligations.

An AI model translated the Korean summary of this filing into English; every number is carried over from the Korean original. Reference information, not investment advice.

Key figures

Total borrowed amount

KRW 69.3 billionExact amount: KRW 69,300,000,000

Total secured amount

KRW 247.78 billionExact amount: KRW 247,780,000,000

Cumulative number of pledge agreements

12 cases

Total cumulative shares pledged

7,242,964 shares

Largest shareholder stake as of disclosure date

9,968,288 shares (15.64%)

Stake if all pledged rights are enforced

2,725,324 shares (4.28%)

Filing facts

Filing type

Change of Largest Shareholder

Report name

[Amended] Share Pledge Agreement Involving a Change of Largest Shareholder

Filed

Nov 3, 2026

Receipt number

20261103900379