Soosan Industries

126720 · KOSPI · Industrials · SMALL CAP

Updated contract terms.

Soosan Industries updated a previously disclosed supply contract with Korea South-East Power, now worth US$34.1M, about 15.5% of its recent annual revenue, running through Mar 2027.

Supply contract([Amended] Supply contract signed)· FILED 2026-09-17· RCEPT 20260917800534

US$34.1MContract value
15.5%vs. recent revenue
Mar 2027Throughfrom Oct 2016

Converted at 1 USD ≈ ₩1,379.53 (filing-date rate, 2026-09-17 close)

What happened

Soosan Industries updated a previously disclosed supply contract with Korea South-East Power, now worth US$34.1M, about 15.5% of its recent annual revenue, running through Mar 2027.

For context, this single contract equals about 15.5% of the company's most recent annual revenue.

CounterpartyKorea South-East Power
Contract valueUS$34.1M
vs. recent revenue15.5%
ThroughMar 2027 (from Oct 2016)
Filed2026-09-17, [Amended] Supply contract signed
SourceDART rcept 20260917800534 → open original filing
Read the full filing in English

Suzan Industry / Single Sales and Supply Contract Execution / (2026.09.17) Single Sales and Supply Contract Execution Correction Report

Correction Date: 2026-09-17

1. Disclosure Document Subject to Correction Single Sales and Supply Contract Execution

2. Submission Date of Disclosure Document Subject to Correction 2026-09-01

3. Reason for Correction Correction due to receipt of contract extension official notice

4. Correction Items Item | Before Correction | After Correction Contract Period End Date | 2026-09-30 | 2027-03-31

- Single Sales and Supply Contract Execution

1. Sales and Supply Contract Classification Construction Contract Award

- Contract Name Yeongheung Headquarters Units 1 and 2 Boiler Equipment Routine Maintenance Construction

2. Contract Details Contract Amount (KRW): 47,059,885,169 Recent Sales (KRW): 303,539,437,938 Percentage of Sales (%): 15.50 Large Corporation Status: Not Applicable

3. Contracting Party Korea South-East Power Co., Ltd. - Relationship with Company: -

4. Sales and Supply Area Yeongheung Power Generation Headquarters

5. Contract Period Start Date: 2016-10-01 End Date: 2027-03-31

6. Major Contract Terms Contract Deposit/Advance Payment: None Payment Terms: Progress billing claim conditions

7. Contract (Award) Date 2023-10-06

8. Disclosure Reservation Reservation Reason: - Reservation Period: -

9. Other Material Matters Related to Investment Decisions - The original contract was executed prior to KOSPI listing and had no disclosure obligation; however, disclosure obligation for current reports arose as contract modifications proceeded following listing. - The contract amount above includes value-added tax, and recent sales are based on the 2022 consolidated financial statements. - The contract is a joint procurement project. The contract amount is calculated by applying a 39% procurement ratio to 120,666,372,228 KRW (total contract amount of 120,725,044,000 KRW minus safety management fee of 58,671,772 KRW). - The contract amount, period, and other terms may change depending on construction progress.

※ Related Disclosures 2023-10-06 Single Sales and Supply Contract Execution 2024-03-26 Single Sales and Supply Contract Execution 2024-06-04 Single Sales and Supply Contract Execution 2024-08-20 Single Sales and Supply Contract Execution 2025-03-26 Single Sales and Supply Contract Execution 2025-04-23 Single Sales and Supply Contract Execution 2025-09-25 Single Sales and Supply Contract Execution 2025-12-10 Single Sales and Supply Contract Execution 2026-03-12 Single Sales and Supply Contract Execution 2026-09-01 Single Sales and Supply Contract Execution

Source: DART. Information only, not investment advice.

For informational purposes only. This is not investment advice, a recommendation, or a solicitation to buy or sell any security. Do your own research; any investment decision is your own responsibility.

Data from DART, Korea's official corporate-filing system. Data sourced from official DART filings. Accuracy is not guaranteed. Figures are as of the date shown. As of 2026-09-17 (KST). · Converted at 1 USD ≈ ₩1,325 (rate of 2026-10-21).

Company summaries are generated and may contain errors; financial figures are mapped directly from official filings.